• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A pea harvester incorporates a threshing device and a system, known per se, which maintains the device in a fixed orientation in space irrespective of the ground contours. To feed the threshing device a series of conveyors is pivoted so that these can continue to supply the threshing device without crop loss even if a local ground irregularity deflects a forward pick-up reel which discharges on to a first one of the conveyors. The pick-up reel has a width at least equal to the widest track of the harvester wheels and the first conveyor has substantially the same width. A number of cleaning stages is incorporated and peas are received from the threshing device by two inclined vibratory conveyors the inclination of each of which is adjustable. A hopper assembly for peas is arranged forwardly of the threshing device and includes an auxiliary hopper which automatically takes the place of the main hopper when the latter is moved to its discharge position.
    公开号:SU884548A3
    申请号:SU762370304
    申请日:1976-06-11
    公开日:1981-11-23
    发明作者:Мариа Персонс Густаф；Констант Вийтс Корнель
    申请人:Фмк Фуд Машинери Юроп Н.В.(Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to agricultural machinery, in particular to pea harvesters.
    Known agricultural machinery for harvesting peas, containing the main frame mounted on the wheels, on which the threshing device is mounted, and an additional frame with rollers, on which the collecting drum is installed, transverse and 10 longitudinal conveyors, hydraulic system and control system l.
    The disadvantages of the known machine are poor copying of the soil and large losses of peas 15
    The purpose of the invention is to reduce the loss of pea by improving soil reproduction.
    This goal is achieved by the fact that the machine is provided with an intermediate pillar, which is pivotally connected to the main frame and through a hinge to provide a transverse copy of the field relief with additional
    frame, and the intermediate frame is provided with hydraulic cylinders hinged to it.
    In this case, one of the longitudinal conveyors and transverse conveyors are fixed on an additional frame, and the width of the longitudinal conveyor is equal to the width of the pick-up drum.
    权利要求:
    Claims (2)
    [1]
    FIG.  1 shows an agricultural pea harvesting machine in FIG.  2 is the same front view of a sweeper with a reel-mounted reel drum and some other parts in FIG.  3 is the same, a vertical section at the level of the bucket elevator just ahead of the drum of the pulling machine; in FIG.  t - the same, vertical-.  a nick cut at the rear axle of the machine (the corresponding parts are shown in various positions); in fig.  5 is the same, side view of the pulling out drum and the corresponding parts; FIG.  6 is the same, side view y3j; ia, showing the sensitive fixture of the hydraulic system of the harvesting machine; in fig.  7 is the same, side view, showing the lifting conveyor leading to the threshing drum of the machine; in fig.  8 is an end view showing the cleaning plate conveyors located under the threshing drum; FIG.  9 the same, perspective view of part of one of the transporters, see.  10 the same, front view, showing the bucket elevator for raising grains, stepped from the horizontal conveyor passing under the threshing drum to the bunker conveyor intended for transferring grain to the bunker through the movable sieve (the bunker is located near the front of the sweeper) in FIG.  11 shows a bunker and a sieve conveyor associated with it (the upper part of the conveyor passes over the receiving window of the bunker; FIG.  12 shows other details of the transport of the sieve panel shown in FIG.  11, and also a bunker; in fig.  13 and T other parts of the hopper shown in FIG.  11, in FIG.  15 is a schematic perspective view of the main parts of the mana reel alignment system of FIG.  16 is a perspective view of the alignment system j in FIG.  17 is an alignment system indicating the acting forces, side view in FIG.  18-22 A series of diagrams illustrating the effect of different slopes of the terrain on the leveling system shown in FIG.  1517; in fig.  23 is the same front view illustrating the operation of the alignment system; Fig, 2 is the same side view showing the forces acting in the transverse alignment; in fig.  25 is a schematic of a hydraulic alignment option; in fig.  26 and 27 are diagrams of two other hydraulic systems; in fig.  28-33 are diagrams of the operation of alignment systems in the transverse and longitudinal directions; FIG.  3 hopper assembly view, in FIG.   - schemes of operation of the bunker assembled.  The agricultural pea harvesting machine is self-propelled and has a pair of wheels 1 and 2, Wheels 1 serve to drive the machine through a transmission (not shown) connected to one source of energy 3.  The machine is controlled by the operator from platform 4.  88 4 The machine has a drum 5 pulling out, which is located across the entire width of the machine, and at least protrudes some distance beyond the wheel track.  The drum rests on an oscillating axis 6 extending along the machine and fixed on an additional frame 7, and on bearings mounted on the frame 7 for rotation.  Behind the drum 5, there is a first inclined conveyor 8, which has a width approximately equal to the width of the drum and is inclined at about an angle of 30 ° to the horizontal.  The upper end of the first longitudinal conveyor 8 hangs over the two transverse second conveyors 9 and 1. 0, each of which has the upper sheet inclined upwardly towards the central axis of the machine. The second transporters 9 and 10 are driven so that their upper sheets move inward, Toe.  towards the central axis of the machine. The inner ends are spaced apart from each other and hang over the longitudinal, third, inclined conveyor 11, which is so arranged that its upper web moves backward like the first longitudinal conveyor 8. ) Conveyor 11 is considerably narrower than conveyor 9 and is hinged at both ends.  The rear end of the conveyor 11 hangs over the longitudinal elevating conveyor 12 and is at a short distance from its lower part.  The conveyor 12 has a significantly larger angle of inclination than the conveyor 11, and is essentially the same width as the conveyor 11, and its upper part ends near the entrance a of the molo.  tilting drum 13.  The longitudinal lift conveyor has an casing It, which serves to prevent the ejection of stems, beans and other materials in the transverse direction as they are transported to the drum 13.  The drum has a perforated body, so that the separated grains (peas) can pass through the perforations and fall onto the cleaning plate conveyors 15 and 16, which serve to provide the initial, or first, stage of cleaning the separated grains and are located along the entire length of the drum.  The lamellar conveyors 15 and 1b are located above a horizontal, longitudinal, pea-carrying conveyor 17, the top web of which moves forward.  The conveyor has rollers 18 and 19 Scraper device (not shown may. abut the conveyor at the roller 18.  A tunnel is provided at the front end of the upper web and front front 18, covering the lower web 20 of the bucket elevator 21 and having a window 22 serving as an air intake.  The tunnel is connected to the fan 23, which has an exit window. The fan serves to drain dust and other debris and return them to the field to be processed. This device provides the second cleaning stage o The upper end of the bucket elevator 21 is unloaded onto a horizontal conveyor 25, the upper web of which moves forward in relation to the harvesting machine and delivers the grains and the remaining dirt and impurities to the upper web of the chain 2b, which serves according to the MOBILE sieve and forms part of the upper boundary of the main bunker 27.  The top web of chain 2b also moves forward to remove any remaining dirt, tunnel 28 is provided above the top web of chain 2b and is connected by the entrance window of the fan 29, the exit window of which communicates with the downward tunnel 30.  All unblown beans or pruning remain on the top chain and do not fall into the hopper.  Such beans and trimmings fall into tunnel 31,.  located in front of the vertical front web on chain 2b, and returned to the transverse conveyors 9 and 10 for reprocessing.  This device provides a third stage of cleaning.  The drum 5 is made in the form of cylinders of rolled sheets attached to one inner and two outer disks mounted on the shaft 32.  At the periphery of the drum there are twelve support bars (not shown, carrying twenty-seven double pointed steel fingers). Drum 5 is mounted for rotation within the casing 33, the front of which is pressed tightly against the outer surface of the drum.  Behind the cover is tilted up and hangs over the suit of the first conveyor 8.  The casing 33 is mounted on the elements 3 and 35 of the RZ we are on adjustable legs Zb and 37, mounted respectively, on 8 "brackets 38 and 39 For the selection of the whole stem, significantly different in height,. and in order to provide plants with full access to the conveyor 8 from the drum 5, an adjustable casing extension kQ is provided that moves along an arc inside the lower part of the casing 33.  For adjustment, a bracket, a +2 screw and an adjusting nut are provided.  The drum 5 rests on the front part of the frame kk, kS of the pullout and is driven by the chain k6 via an asterisk 7 connected by a key to the shaft 32, which rotates in the bearing housing 48 attached to the frame element 49.  Chain 46 also surrounds asterisks 50 and 51 and an asterisk (not shown, coaxial with the upper roller of the first conveyor 8, the chain is shown in the direction shown by arrow A.  A bracket 52 protrudes from the element kam kk, which creates a pivot bearing to the element 53 screwed into it, which extends to the lower edge of the adjustable extension 0 of the drum casing.  This is done to perceive the plant pressure on the extension cord 0.  The end of the screwed element 53 is connected to the lower edge of the casing 33. The first longitudinal conveyor 8 has rollers k and 55, which rotate in supports 5b and 57, and a belt 58 ,.  The RSGma 59 is directly below the upper web of the belt 58, which prevents excessive deflection and subsequent removal of the material carried by the belt.  The tape 58 is provided with uniformly spaced transverse barriers 60 (only two are shown to help retain the material being carried.  In addition, for the same purpose, the plate B1, reinforced on the element 3 of the frame, passes along the upper web of the belt 58 and above it.  Under the conveyor 8 at the ground level there are two sensitive rollers B2 and 63, each of which is held by the corresponding screwed element B5, 65, the height of which can be adjusted in the brackets 66 and 67 that are fixedly mounted on the frame kk of the ejection.  The screwed elements B5 and 65 can be adjusted and locked in the adjusted positions.  A scraper 68 for removing dirt is installed ack in order to interact with each olic, which closely adjoins the corresponding transverse end of the drum 5, but slightly shifted inward.  The adjustment device provides easy and quick adjustment of the rollers for adjusting the height of the fingers above the ground, since the drum 5 is mounted on the frame of the puller, which itself is adjusted by means of the rollers.  The height can be set in the range of 20-50 mm depending on the height of the plants to be harvested or to prevent stones from being caught.  The conveyor has a belt B9 with barriers or edges (not shown, located across the belt.  The barriers serve to prevent the stems, beans and loose grains from lowering along the upper web of the belt, which bends around two pulleys 70 and 71, which rotate in supports 72 and 73.  The position of the lower support can be adjusted by means of a screw adjusting device 7.  On the frame of the conveyor 12 brackets are reinforced, to which the front bracket of the intermediate longitudinal transport pa 11 is hinged.  This conveyor replaced the scraper type feeders used so far in pea harvesting machines and serves to prevent the loss of loose beans and seeds as they pass to the threshing drum.  In order to prevent the stalks from sticking up from the upper belt of the conveyor when it is lifted, a tubular frame 75f is provided which is located mainly from the lower pulley 70 to the upper pulley 71 and is covered with slabs.  At a level just below the axis of the pulley 71, the roller 7b serves to direct the stems into the inlet window (the threshing drum 13 is not shown.  The roller 7b is rotated on the crown of the mattes 77 (only one is shown, which are adjusted in the vertical direction on the frame element 78 using slots 79.  The upper part of the frame 80 of the machine comprises an intermediate shaft 81 (FIG.  1) and the drive shaft (not shown) of the main beater of the threshing drum.  Sheet metal shield 82 (FIG.  1) located across. roller 7b, and the top edge of the shield 82 closely adjoins the roller to prevent the steels and beans from falling onto the fan casing 23, which is located below. The shield 82 moves downwards before connecting to the output terminal 2 tunnels.  The lifting conveyor follows the movement of the threshing drum 13 created by the leveling system (shown partially by an arrow in FIG.  1) Under the threshing drum 13 there are two cleaning plate transporters, the lower end part of one of the conveyors 15 hangs over the lower part of the other conveyor 16.  Each conveyor belt contains 83 with straps 8 on its lower surface, enveloping the outer hexagonal roller 85 and the inner octagonal roller 86.  The slats and rollers create a continuous vibration of the entire belt, with the result that the grains are cleaned of dirt and easier to roll down.  The upper roller 85 is mounted in support blocks 87 mounted on a bracket that slides into frame 88.  The spring attachment 89 stretches the belt 83 by pulling up the upper roller with a sliding arm, and also compensates for the shortening or lengthening of the center distance between the rollers 85 and 86 when the strips pass along the planes of the rollers, tensioning the plate conveyor is adjusted by screw 90.  The frame 91 s is rotated, with the downward end of the supporting elements 1m located below the upper web of the lamellar conveyor to prevent unwanted sagging of the belt during vibration.  The lower roller 86 is hingedly mounted so that the angle of inclination of the belt conveyor can be adjusted according to the conditions of the floor, with the overlap size remaining unchanged.  Thus, the order of the front grains does not change. The angular adjustment is carried out by threaded posts 92 (one on each side of the conveyor, each of which with its lower end is hingedly fixed in a bracket 93 attached to the supporting structure 9 of the conveyor using a ball joint 95, which allows you to fix the bracket 96 relative to the support structure 9.  Since the entire plate conveyor, consisting of a tape 83, rollers 85 and 86, a frame 91 and a drive, is mounted on the supporting structure E, for simple and quick adjustment of the angle of inclination, noBepHyfb threaded struts are needed without disturbing the relative position of the parts.  Conveyor 15 is driven from a motor (not shown) by chain transmission through sprocket 97.  The motor is mounted on a fixed frame with an adjustable support and is located directly under the roller 85 so that the movement of the roller caused by the passage of the slats along the rollers does not affect the length of the chain transmission.  The shaft of the motor is marked 98.  The bottom web of the plate conveyor belt is cleaned before a new product arrives and is dirty.  For this purpose, a reducible spiral brush that rotates against the movement of the lower web serves.  The brush is driven through a chain drive from the motor, which also drives the entire plate conveyor. The frame carrying a pair of sprockets is not a regular rectangle, and one side 103 of this frame is inclined to the vertical, and the section lOt of this part 103 is inclined to the vertical at an increased angle .  Due to this, the grains that could not fall out of the buckets easily fall back into the buckets in the lower part of the conveyor.  Such a device provides enough space for tensioning a pair of stars 101.  Part of the frame, bearing a pair of stars 99 can be removed by means of hinged thumb-.  , out nuts 105 and 106.  The inclined section 10 of the frame is so designed that On the horizontal conveyor 25, when hooking up to a pair of sprockets 107, the material from the buckets falls (not shown when they are in the unloading position.  The buckets are transported between two chains. The bucket elevator moves clockwise.  The conveyor is driven through a pair of sprockets 101 and a cam clutch.  (not shown).  A pair of sprockets 99-102 rests on a pair of bearing blocks (not shown) and a pair of bearing blocks. daughter stars 101, adjustable to vary chain tension.  The bucket elevator is driven through the cam clutch 108.  The sliding half of the coupling forms the tB10 part of the sprocket 109, driven from gear reducer 110 through sprocket 111 and chain drive 112, Bean conveyor 25 passes from the upper end of the bucket elevator 21 and navi. Saws from the other edge above the chain 26.  This chain is a conventional horizontal conveyor mounted on roller 113 near the upper end of the bucket elevator and on roller 114 near the inlet tunnel of the fan.  The roller 113 is mounted on the respective support brackets 115 (only one frame member 116 is shown.  The bracket 115 is made. adjustable to change the tension of the conveyor belt by means of a screw device 117.  The roller And similarly strengthened in the support bracket 118, installed with the possibility of adjustment screw devices 1 19.  Sieve 26, made of mesh, misses the grains of the largest size, but retains any remaining beans, pieces of empty beans or stalks.  Sieve around the rollers 120 and 121, located approximately in the corners of the hopper 27.  Each roller is mounted in respective pairs of brackets, at least one of which is adjustable to change the tension of the sieve screen.  The grid is supported in /. the upper blade has plates 122 and 123, which are separated by an opening corresponding to the tunnel 28 of the fan inlet tunnel.  The sieve 26 is considerably narrower than the bunker, for example, its width may be t times smaller than the width of the bunker.  The main hopper 27 is mounted for lateral movement with respect to the machine on the support carriage 12, which has a pair of wheels 125 and 126 that move along rails 127, shown only mounted on the frame of the machine.  The moving sieve 26 unloads the grain into the bunker approximately in the middle of its length. In addition to the main bunker 27, there is an additional bunker 128 hinged at the point 129. On the elements 130, protruding in the vertical direction from the supporting cart 124 of the main bunker.  Additional bunker 128 is also pivotally attached at point 131 to one end of link 132, and at the other end is pivotally attached at point 133 to racks 13 protruding from the sieve frame 26.  The main inclined bunker 27 has a generally rectangular shape and is mounted on a carriage 12, which corresponds in shape to a generally rectangular frame mounted on pairs of wheels 125 and 12b.  The inclined bunker 27 is of rigid construction due to the presence of two elements 135, only one is shown, each of which is welded to a corresponding reinforced inclined element 136 located approximately diagonally across the bunker rivers.  Trolley 12 at the left end has a pair of vertical arms 137 (only one is shown, each of which serves to pivotally connect one end of a hydraulic ram 138, the other end of which is pivotally attached at point 139 to a vertical element 135c. The corresponding ram cylinder is also on the opposite side bunker.  Each of the two other brackets 140 of the trolley provides a pivotal attachment of the lever Ill, which, when the bunker is inclined, serves to automatically open the lid, Lever Ill is a stretching arm consisting of three parts connected by pivot pins moving in the longitudinal grooves of the Other the end of the lever is hinged at the point H5 to one of the two (only one is shown) holding the opening end cover of the bunker.  The end of the lid opens when the hopper is tilted by hydraulic power cylinders 138, and automatically closes back when the bunker returns to its normal position. To move the carriage 124 and the hopper 27 installed on it, one hydraulic power cylinder 1 + 6 is provided (shown by dashed lines). lines, which lies in the recess formed by the corner reinforcement element being part of the carriage and included in the corresponding recess in the bottom of the bunker.  This power cylinder operates between the carriage 12 and the fixed part of the machine frame.  The bed also has two other angular elements 148 located symmetrically with respect to the hydraulic actuator 1tG and similarly located in the recesses of the bottom of the buIker.  To prevent the inadvertent tipping of the main bunker when it is in the normal horizontal working position, two double-sided He plugs are provided, which engage the corresponding finger 150 rigidly connected to the trough-shaped element 151 attached to the fork Silo is hingedly attached to the carriage 12 on the finger 152, which can rotate in sleeve 153.  The hinge pin 152 also places the dog 15, the fork and the dog may rotate with the hinge pin.  The finger 150 is normally engaged with a fork, but when the carriage 124 reaches a fully tilted position, the dog falls into a groove in the guide 127, with the result that the hopper freely tilts and unloads.  Continuous work of the harvester is of particular importance when the weather is bad or is expected to be bad.  The time required for the machine to stop and unload the hopper (can reach 10 minutes) is insufficient, since during this time a significant amount of harvest could be removed. The bunker device contains a second hopper 128, which is automatically set to the working position when the main hopper moves from its normal position to the unloading or tipping position, the main bunker receives grain from the rolling sieve 26 and the second bunker when the hydraulic power.  the cylinder 146 moves the main hopper to the left, the position of the link 132 and its articulated joints such that the second hopper 128 tilts down and is carried by the elements 130 towards the movable sieve 26.  When the main hopper 27 reaches the unloading position, the second, hopper is tilted to the final horizontal position directly below the movable screen.  The main bunker is tilted around the left hinge after the pawls 154 are rotated, releasing the forks 149, and immediately after unloading the cart 124 moves backward, to the right, the second bunker 128 automatically rises towards the vertical position 13, and the grain accumulated during the unloading operation , are dumped into the main bunker. 27 The device provides continuous collection of grains without stopping the machine for unloading, since the vehicle can be driven next to the machine, and the second bunker will continue to receive grain (mountain tires) during the unloading operation is desirable that pulls the drum 5 or another pickup actuator copied in the longitudinal and transverse directions relief NOSTA places.  The leveling system for drum 5 is simple and reliable, but can nevertheless feel any change in relief. This system uses sensitive rollers B2 and 63 moving along the ground, placed at the pulling out drum 5 and absorbing only a small part of the weight of the drum, the rest is main. part of the weight is perceived by one, two or more hydraulic cylinders.  The leveling system for the pulling out of the drum should not only follow the unevenness of the field, but also ensure reliable transfer of the product, regardless of the terrain, from the drum 5 to the lifting track to the sports car 12, which is fixed to the tire frame, which is always kept in a horizontal position thanks to The leveling system of the threshing device.  This means that the jerking device as a whole must copy the transverse and longitudinal slopes of the floor (on which it is threshing.  the device remains in a horizontal position), as well as surface irregularities on these slopes.  The device satisfies these requirements and, moreover, ensures reliable product transfer at any possible positions of the drum and conveyors relative to the threshing device.  The system contains a leveling pro intermediate frame 155 with an axis 15b, with the frame 155 pivotally attached B point 157 to the axis 156 of the machine.  The axis 156 carries at the point the frame on which the threshing device of the machine is installed.  When the axis 156 tilts on the side slope of the FIELD, the frame 155 tilts — at the same angle.  The hinge axis 156 is located in front of the frame 155 wok 8, the frame C of the pulling drum can rotate in the transverse direction, regardless of the inclination of the axis 156.  The hinges 157 for aligning the drum frame 155 are positioned on the machine axis 15b as low as possible so that the frictional forces acting on the sensitive rollers cannot create a moment that tends to deepen the drum 5 into the soil.  Since the load on the earth-sensitive rollers B2 and 63 should not be excessively high, two or more power cylinders 158 are provided, which take up most of the weight of the pulling device and leave only a small part of the weight for rollers 62 and 63 to maintain a constant weight. contact with the ground.  The upper ends of the power cylinders 158 are attached to the frame 159 of the machine, and the lower ends to the frame 155 of the alignment of the drum through the shackles. For lateral alignment of the drum and associated parts, a hydraulic balance is applied.  The scrub system takes into account the movement of the threshing device relative to the machine frame.  The transverse alignment of the pulling drum 5 for copying the irregularities of the field is carried out purely mechanically with the help of two rollers B2, operating through the power cylinders 158 and the central hinge axis 160.  .  The forces act on the sensitive rollers 62 and 63 and on the power cylinders 158, If W is the total weight of the pulling device, the drum device, Wg is the force applied to the ground, from each sensitive roller 62, 63 and is the force perceived by the force cylinder 158, then W- F (; 2W5) t, e.  Each roller is loaded with a force equal to half the difference between the weight of the assembly and the upward force that is received by the cylinders. The force is chosen so that the force We is small but sufficient to ensure that the rollers follow along uneven ground.  Figure 25 shows a version with a cylinder (s) 158 having a piston rod (s) 1b1, directed upwards.  A continuous flow of mals is injected into the system from the source 162 at a constant pressure p set by an adjustable pressure relief valve 163 placed in pipe 1b communicating with the reservoir (drain).  This pressure p acts on both ends of the piston (pistons. ), as a result of which the rod (s) moves from up under the action of the force P (P ,. / 2) due to the difference in effective areas on each side of the piston.  Any change in the position of the frame 155 causes the piston rods 1b1 to move. The continuous flow of oil follows these movements so that the pressure p is kept constant by the action of the valve bb, and thus a small load on the sensitive rollers B2 and 63 always ensures their contact with the ground. .  This mode of operation is accomplished by installing a manually operated hydraulic valve 1b5.  When it is turned on, the pressure above the piston (s) of cylinders 158 decreases to pressure in reservoir 166, since pressure p in this case affects only the bottom (a larger area of the piston, the force increases until the pulling drum 5 begins to rise to the transport position .  After the drum 5 is fixed in the transport position, the valve is manually switched, and the oil is directly sent to reservoir 166 and no pressure is created during transport.  FIG.  26 shows a system with a piston rod (s) of the cylinder (s) 1b7 directed downwards.  The continuous flow of oil feeds the system from the source 168, and the reducing valve 1b9 maintains the corresponding pressure p, but in this sietem the pressure acts only on the lower end of the piston (s).  The cavity (cavities) of the cylinder (s) above the piston (s) is in communication with the atmosphere.  The pressure p is again chosen such that forces are created (or only 1), and the piston rods are moved upwards against the load from the pulling device.  This corresponds to the installation of valve 170 in position I.  When valve 170 is set to position 1I, reduction valve 1b9 is disconnected from the system by connecting to a check valve 171, and the system begins to operate under control from a second reduction valve 172 set at a higher pressure p sufficient to fully raise the wrenching device.  After fixing the tearing device in the raised position, the oil enters directly into the tank 173 (to drain).  In the performance of the hydraulic system shown in FIG.  26, details are similar to those of FIG.  25  The check valve 171 is replaced by a slide valve, which automatically overlaps the communication with one or the other of the reducing valves 17 and 175.  When the control valve 17b is installed at position 1, the hydraulic fluid is supplied to the cylinder 177 and the system communicates with the pressure reducing valve. The cleaning machine is in the working position.  When the control valve 176 is turned against the action of the spring, the hydraulic fluid is supplied to the cylinders 177, and the system communicates with the pressure reducing valve 175.  As the valve 175 is set to a higher pressure, the cylinder rods are pushed up by a larger amount, and the drum rises to a level above the level corresponding to the operating position.  A spool valve interrupts the system message with a pressure reducing valve 17.  When installing control valve 17b to position O, the hydraulic fluid returns directly to reservoir 166 or to drain.  The cylinder rods are pushed to the minimum and the machine is prepared for moving out of the floor.  For effective operation of the threshing device it is necessary that it remains correctly oriented on the terrain of any terrain, for this purpose the machine is equipped with an adjustment system.  . , However.  The value of this system is limited because product losses between pulling drum 5 and threshing drum 13 are possible if the conveyor system cannot ensure product safety on slopes 17 Product transfer regardless of terrain is provided by linking conveyors 8, 9 and 11 (shown for any their relative position).  The conveyor 8 constantly maintains its position relative to the pulling out drum 5, therefore the product is not lost when it is thrown out by the drum 5 onto the conveyor 8.  The transverse conveyors 9 and 10 are fixedly mounted on the corresponding elements of the leveling frame 155 Consequently, only with an extraordinary transverse adjustment of the leveling drum 5, the relative position of the conveyors 8, 9 and 10 can be changed / The transverse adjustment of the compensator during product transfer from the conveyors 9 and 10 to the intermediate length Noah transporter 11.  Due to the division of the cross-flow into two, a good transfer of the product is ensured under all conditions. Longitudinal alignment, in turn, occurs when transferring the product from the cross conveyors 9 and 10 to the conveyor 11 and from the conveyor 11 to the lift miter to the sportsman 12.  A conveyor 11 is hinged from a higher, rear end longitudinally onto the frame of the lifting conveyor 12, and from a low end the conveyor 11 is mounted using a double swivel (for longitudinal and lateral movement) on the frame 155.  In operation, the self-propelled sweeper is controlled from platform 4, for which it is equipped with a console, on which are placed not only the usual instruments and warning lights necessary for driving the car, but also instruments, warning lights and controls for the working mechanisms of the sweeper.  Pulling out the drum 5, which is wider than the widest track of two pairs of wheels 1 and 2, pulls or tears the whips, carries them along an arcuate path approximately at an angle of 270 and lays them on the lower end of the conveyor 8.  It transfers the lashes onto two transverse conveyors 9 and 10, which feed the lashes onto the intermediate conveyor 11.  In addition, he passes the lash to the lifting conveyor 12, which, in turn, delivers the lash essentially without 8 losses to the input window of the threshing drum 13.  All movements except transverse movements of the conveyors 9 and 10 occur in the rearward direction.  After threshing in the drum 13, which retains a horizontal position under all conditions, the grains (peas) fall onto a plate conveyor that allows the grains to fall or roll, while the dirt and debris is carried up and thrown to the ground.  This ensures the first step of cleaning the threshed grains.  In place of the approach of the horizontal conveyor 17 to the bucket elevator 21 there is a gap between them, in which an upward flow of air from the fan 23 passes. Dust and other debris are carried upwards, and the grains are fed to the lower bucket fabric.  Elevator 21.  The air flow created by the fan is regulated to prevent the grains from being gripped.  This provides a second cleaning stage.  The bucket elevator 21 receives partially cleaned grains and feeds them onto the upper forward conveyor belt 25.  Above the receiving window of the bunker 27, the conveyor unloads the grains and the remaining dirt and debris onto the upper web of the rolling sieve 25 (horizontal pea conveyor).  Fan 29, located above the hopper window, serves to draw out the remaining dirt, garbage, etc. d. as well as effectively and continuously prevents clogging of the sieve hole, especially in humid conditions.  Any unmilled grains or dirt particles are transported into the cavities of tunnel 3, from which they fall back onto the upper webs of the cross conveyors 9 and 10 for reprocessing.  Sieve 2b prevents large pieces or dirt from entering the bunker.  This device provides a third stage of cleaning,.  Unloading during operation can be carried out using the second bunker.  When the main bunker 27 is shifted sideways for unloading into a truck, the second bunker 128 is pulled into the space under sieve 26 moving near the harvesting bin and the grains obtained during unloading enter it.  When the main bunker 27 returns to the working position 9, the second bunker tilts upwards, as a result of which the grains accumulated in it fall into the main bunker.  Pulling drum 5, housing 33 and associated parts (Fig.  } can be raised to the position shown in dashed lines to facilitate road transport.  This is possible due to the fact that the conveyor 11 is hinged on both sides, and the lift is carried out using the control valve of one of the hydraulic systems.  During the operation of the harvester, the drum and associated parts are controlled to copy the terrain, while the threshing drum maintains a horizontal position at all times.  Pea lashes are mainly carried; back, the bunker is located directly behind the transfer path. Such a layout reduces the length of the machines and provides a better weight distribution, which is important, since a greater concentration of load on certain wheels can lead to excessive soil compaction.  By using air flow between the individual conveyors, good cleaning of the grains is achieved without significantly complicating the design or adding moving parts. Further cleaning by means of the mobile sieve 26 leads to the fact that the minimum amount of garbage, dirt or land gets into the bunker along with the grains altogether.  Versions in a rolling sieve are not clogged, even under poor, wet conditions.  8 The proposed machine has low yield losses due to good copying of the soil relief.  The machine can be used not only for harvesting peas, but also for harvesting other crops that need to be separated during harvesting.  Claim 1. An agricultural pea harvesting machine, containing a main frame mounted on wheels, is equipped with a threshing device on the KOTOR, and an additional frame with rollers on which a collecting drum is installed, transverse and longitudinal conveyors, a hydraulic system and a control system that in order to reduce pea losses by improving the copying of the soil, it is provided with an intermediate frame, which is pivotally connected to the main frame and through a hinge to provide a transverse copier no additional relief floor frame, the intermediate frame is provided with a pivotally attached thereto by hydraulic cylinders,
    [2]
    2. The machine according to claim 1, characterized in that one of the longitudinal conveyors and transverse conveyors are fixed on an additional frame, the width of the longitudinal conveyor being equal to the width of the collecting drum. Sources of information taken into account during the examination 1. England patent No. 1471597, class . A 01 D 45/24, 1974.
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    同族专利:
    公开号 | 公开日
    CA1072410A|1980-02-26|
    FR2427043A1|1979-12-28|
    DE2623209A1|1976-12-23|
    FR2313858A1|1977-01-07|
    FR2433894A1|1980-03-21|
    FR2427042A1|1979-12-28|
    CA1089240A|1980-11-11|
    BE842767A|1976-10-01|
    NL7605660A|1976-12-15|
    HU182487B|1984-01-30|
    RO75941A|1981-03-10|
    GB1555321A|1979-11-07|
    FR2427040A1|1979-12-28|
    FR2427044A1|1979-12-28|
    FR2427041A1|1979-12-28|
    US4229932A|1980-10-28|
    FR2427772A1|1980-01-04|
    DD124355A5|1977-02-16|
    ES448786A1|1977-08-16|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB2531075A|GB1555321A|1975-06-13|1975-06-13|Pea harvesters|
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