Mounting device for fastening tractor cabin to frame
专利摘要:
1497765 Tractor cab mountings INTERNATIONAL HARVESTER CO 24 May 1976 [24 Oct 1975] 21413/76 Heading B7B A cab 24 and rollover protective structure (ROPS) 38 are secured to a platform assembly 36 which is resiliently and releasably hinged at opposite sides by respective pairs of isolators 154, 156 to two cross beams 108 of a platform support 14 on the tractor chassis 12 so that components beneath the platform assembly 36 are accessible. The cab, platform assembly and platform support are offset from the longitudinal axis of the tractor and extend beyond the chassis 12 at one side. The axes of hinge pins 180 of the isolators 154, 156 are parallel to the longitudinal axis. Each hinge pin 180 is secured in an apertured knuckle portion 130 of the respective cross beam 108 and the ends are resiliently mounted in polyurethane bushings 182 carried by a knuckle device 134, itself secured by bolts 166 to a seat platform 168. Bolts 166 also secure a foot 162 of an upright member 90 of the ROPS 38 to the platform 168 and the ROPS is connected to the roof of the cab 24. When the tractor overturns, for example by turning anticlockwise in Fig. 4, the energy of initial ground impact is absorbed by clockwise movement of the ROPS member 90 to 90a until surfaces 132 and 136 facing each other across the gap 6 in the isolator interengage and thereby lock the joint. 公开号:SU1093240A3 申请号:SU782562405 申请日:1978-01-06 公开日:1984-05-15 发明作者:Дж.Колинджер Кеннет;Нимзик Генри 申请人:Интернэшнл Харвестер Компани (Фирма); IPC主号:
专利说明:
The invention relates to an offset platform mounted separately on a tractor chassis, namely a tractor platform installed in an offset position, having supporting cast elements that are hinged and elastically supported on the transverse chassis beams by means of detachable individual supports. With the appearance of hermetically protected acoustic driver cabs on tractors (especially on tractors), there was a need for an easily removable hinged and compliant installation of the platform assembly at the driver’s cabin, which can provide practical advantages to the entire tractor design. A known installation unit for fastening the tractor cab on a frame having a transverse beam, one end of which is hinged, made with flat surfaces, containing an annular support element at the ends of the beam, representing with two cheeks attached by bridges and made with coaxial holes, in which there is an elastic separator in the form of elastic sleeves, a pin mounted on a transverse beam and located in the said holes with the possibility of interacting with them mentioned sleeves, and removable threaded clamping elements placed at the ends of the pin and in contact with the elastic sleeves 1}. A disadvantage of the known assembly is the complexity of its installation and disassembly. The purpose of the invention is to simplify assembly and disassembly. The goal is achieved by the fact that in the installation unit of the tractor cab lashing on a frame having a transverse beam, one end of which is hinged, made with flat surfaces, containing an end support element at the ends of the beam, which is that peaceful bracket with two cheeks connected by bridges and made with coaxial holes in which an elastic separator in the form of elastic sleeves is mounted, a pin fixed on the crossbeam and located in said openings of the cheeks with the possibility of and acting with them through the said sleeves, and removable threaded clamping elements placed at the ends of the pin and in contact with the elastic sleeves, the hinge bracket is installed with a clearance relative to the transverse beam to allow the beam to move in the elastic sleeves relative to the hinge bracket, while the transverse beam is made with limiters to limit the movement of the staple in the elastic sleeves. In addition, the said elastic sleeves located in the cheeks of the brace are conical in shape. On. FIG. 1 shows a crawler tractor incorporating a seat platform installed in accordance with the invention, rear view; in fig. 2 is a plan view from above (section A-A in FIG. 1), FIG. 3 is a section bb of FIG. 2; FIG. 4 shows a section B-B in FIG. 2; in fig. 5 shows the platform support, side view (section G-D in FIG. four). The crawler tractor 1 has a generally rectangular chassis frame 2, the central line of which is designated 3, the chassis frame 2 supports the platform support 4 and is supported by oscillating suspension means (not shown) on the right and left frames 5 and 6 of the tractor tracks along each side of the tractor. The drives 7 and 8 connect the chassis frame 2 and the crawler frame 5 and 6 and serve to communicate the tracks with the same or different speeds in each direction. Cab 9 driver has front 10 and rear 11 walls, top 12, left 13 and right 14 side walls. The platform unit 15, located on the support 4, supports the frame of the anti-tipping structure 16 and the cabin 9 without a bottom. The cab 9 of the driver is installed by vertical lowering in the direction of the arrow 17, closing the frame of the structure 16, and is fastened directly to the anti-tipping structure 16 by its upper connections (not shown) and directly at the base of the cab to the platform assembly 15 by means of the lower bolts. Two windows 18 in the rear wall 11 of the cab provide the driver with a rear view. A central cabin line 19 is located midway between the windows 18, indicating the longitudinal, vertical, middle plane of the cabin, which in FIG. 1 is shifted to the left by the distance L О relative to the longitudinal, vertical, mid-plane or center line 3 of frame 2 of the chassis of the tactics 1. In accordance with one of the embodiments, the size of the left displacement U O of the cab is 18 cm, which allows the driver to more closely position and better see the left corner of a device installed in front of the breed, namely the dozer blade (not shown). The driver pulls out boulders from the ground and other operations with the left end of the dozer blade, which has one lowered angle for this purpose, the console right wing 20, adjacent to the cab 9, carries a large fuel tank 21, which provides better balance to the tractor and serves to power the engine tractor (not shown) fuel. The left wing 22 is located between the cabin 9 and the left frame 5 of the caterpillar. The platform support (not shown) supports the platform unit 15 (FIG. 2) and itself rests on the chassis frame 2. The latter contains the front 23 and rear null main 24 frames. The rear main frame 24 has transverse elements including a front transverse element 25, which constitutes one casting with the crossbars 26 to the left and 27 located to the right. At the rear, the front frame 23 is bolted (not shown) to the front frame of the rear frame 25 and includes transverse elements (not shown) connected in a ready-made structure with the left 28 and right 29 cross members of the frame. Since the platform unit 15 is displaced to the left, it lies on the indicated left wing of the tractor (not yet: engaged) and passes the corresponding left side rails 28 of the left frame and 26 of the front and rear chassis frames 23 and 24. FIG. 1 sideward displacement of the driver’s cab is indicated by the position LO. The left and right side walls of the TZ and 14 cabins 9 of the driver are finished, not the income of the platform unit 15, but they carry basic sealing elements (not shown) that are in elastic contact with the platform unit, protecting the cab from dust, noise, atmospheric influence. The tractor cab's front wall 10 carries a common lower flange 30 with it, rotated relative to the wall by 90 °, and the rear cab wall 11 has a common bottom flange 31 with it, rotated 90 ° to it, which are fixed along the plane to a horizontal unit 15 platforms with six mounting bolts 32 at the front and six mounting bolts 33 at the rear. The frame (not shown) of the anti-tipping structure, located inside the cabin 9, is attached to the mounting centers 34-37 through the four bolt holes 38 surrounding each center to the platform assembly tS. The reinforcing unit 15 of the lower structure includes longitudinal mounting 39 and 40 transverse stiffening elements. Frame (FIG. 3) the anti-tipping structure 16 includes vertically installed structural elements defining the front 41 and rear 42 safety elements for the left side of the structure and the front 43 and rear 42 safety elements for the right toron. The upper frame of the structure 16 includes a left cross-section 44 and a right-hand cross 45, both welded to the front 46 and rear 47 transverse top elements of the structure, which are structurally connected at the top together with the front 41,43 and rear 48,42 safety elements. At the top of the structure 16, the kerchiefs 49 are also welded in the corners of the welded joints by using a beater. The top frame of the anti-tilting structure described has almost the same horizontal extension with the top of the driver’s cabin (not shown), is located just below the top, and the adjacent side of the cabin and is attached at its upper side to the top of the cabin by a rubber part located on each side in according to one of the embodiments. The platform support 4 (FIG. 3) contains perednk about 50 and rear 51 transverse beams, located crosswise on the upper side of the front frame 23 of the frame 2 chassis. Cross beams are castings with several flanges, having high sections, allowing them to be drawn. large bending loads, the front transverse beam 50 in the place adjacent to its sole 52 at the right end of its arch, does not project noticeably behind the side cross member 29 on this side of the chassis frame 2. The sole 52 of the arch of the member of the beam 50 is fastened to the cross member 29 with four bolts 53 arranged in a row. Similarly, on the opposite side of frame 2 of the chassis, the sole 54 of the arch of the beam 50 with four bolts 53 arranged in a longitudinal row is secured to the side cross member 28 of the front frame. But from this side, the end 56 of the beam 50 visibly cantileverly protrudes laterally beyond the lateral cross member 28 of the front frame in order to ensure the specified cab offset. In the gap between the described ends of the transverse beam 50, the rear support element 58 of the body is bolted 57 to its arch. The end of the transverse beam 50, which lies on the sole of the arch 52, carries the first separator 39, which includes movable sleeve means 60, which serve to provide a damping removable swivel 61 with the platform assembly 18 at its right front corner. More details about the swivel joint. The vertical bracket at the end of the transverse beam 50 includes a shaped hinge part 62, which is opposed by a flat web 63, located above the supporting part of the lower structure, located under the platform unit 16 and in the joint. the articulating arm 64. The outer surface 63 of the hinge portion 62 and the inner surface 66, interacting with the bridge 63, extend in opposite directions laterally, away from the vertical plane containing the fixed horizontal axis of the hinge 61 and the center 36 of the sole. The amount of inclination of the surface 63 downward from the above-mentioned vertical plane provides the magnitude of the angles by which the hinge joint can be rotated laterally outwards for lateral inclination of the cab, if required, t. e. A cabin (not shown) and / or a frame of the structure 16 may be tilted counterclockwise with respect to the indicated horizontal axis of the joint 61 (FIG. 3) at an angle of 90 ° or more, depending on the length of the outer surface 65 of the bracket, interacting with) I 63. The described cab tilt operation requires the removal of the fuel tank 21, the wing 20 and the complete detachment of the second or opposite divider 67, which form a similar hinge in overhanging position between the cantilever end 36 of the transverse beam 50 and the platform unit 13 at its left front corner. In addition, for convenience, the driver provides a vertically positioned rod 68, fastened at the top and bottom by bolts to a box 69 installed on the platform 16. The slope of the cab and / or anti-tilt structure is clockwise (FIG. 3) can occur as above, but with respect to the separator 67, and is carried out simply by detaching the removable swivel 61 and the fourth swivel or separator (not shown). FIG. 4 shows one of a pair of transverse beams 31, similar to beam 30, except that in the arch of the rear beam four injection moldings 70 remain unspun, as unlike support bearing body of the front transverse beam 30, beam 51 is not provided with bolt holes 37. In the center of the arch, similar holes 71 for the control rod of the gap are provided in each transverse beam (it is not used in the rear beam 31). The upper and lower edges of the heavy cast section of the beam 31 are reinforced with horizontal flanges 72 and 73 lower flanges molded with it, respectively, and needing almost the entire length of beam 31 from end to end. The third separator 74 is supported in a cantilevered (hanging) position by one adjacent end of the bar, and the fourth separator 73 is kept in a non-cantilevered position by the end of the bar relative to the chassis frame 2, providing support for the platform unit 15 in its left rear and right rear corners. In the swivel formed by the separator 74, the outer 65 and inner 66 surfaces of the hinge part 62 of the beam 51 are carefully flattened, being located in the same horizontal plane relative to each other and will be parallel to the opposing junction 63 of the hinge bracket, and along with it the horizontal clearance G of the same thickness. In accordance with one embodiment of the invention, the gap G is 0.381 cm. During the overturning of the tractor in the direction of the hour hand (FIG. 4) the platform unit 15 tends to deflect with respect to the tractor in a clockwise direction and, in addition, the safety component 90 tends to deflect in a clockwise direction (dotted line 76 in FIG. 4, Resilient spacer 74 thus allows the gap G to disappear at the point at which the hinge surface 66 comes into contact with the clockwise movement of the jumper 63 when the latter is in the position shown by the dashed line 77. After the initial idle run, any further misalignment of the anti-tipping elements of the structure 16 occurs as if the connection is rigidly fixed after a given initial movement, and the full force of the tipping is resisted in the form of a bending moment behind the beam 51 and in the front. (via element 41) in beam 50 (here in FIG. 4 not shown). At the same time, the opposable safety elements 42 and 43 should tilt out counterclockwise, (FIG. 3), as shown, on / trimer, in the case of element 43 by dashed line 76. During idle, the anti-tipping structure 16 is deformed by folding, and the platform unit 15 is wavy. The idea of lagging (limited rotation) is that the initial destructive force is canceled immediately and the further deformation can be easily maintained along the line through the dividers at both ends of each transverse beam. Tilting the transport carrier in the opposite direction selects a gap O (FIG. 4) using a jumper 63, which then occupies the position of the dashed lines 78, with the platform unit 15 deviating in a similar way and occupying the position 79 shown by the dashed line, the safety vertical element 48 occupies the position 80 shown by the dotted line, and the opposite vertical safety element 43 —the position 81 shown by a dotted line (FIG. H). The idle angle is easily increased or decreased by increasing or decreasing the height of the gaps G (Fig. 3 and 4) or increasing or decreasing the downward inclination of the surfaces 65 and 66 of the hinge portion of each beam at each end. The gaps G are located directly adjacent to the axes of the hinge joint, and with a relatively small gap, the anti-tipping structure is deviated at the level of its top by 18 cm in either direction. FIG. 5 shows a third insulator 74, through which p1) the safety element 48 of the frame of the anti-tipping structure 16 is pivotally connected to the end of the rear transverse beam 51. Moreover, this separator is typical of the other three separators and has in common with the second separator 67 (not shown) the hinge axis 82. Similarly, the first and fourth separators 59 and 75 (not shown), located on the opposite front and rear corners of the platform assembly, respectively, have a common longitudinal horizontal hinge axis. Each of the vertically arranged safety elements is provided with a support flange 83, which is welded to the bottom of the element, for example element 48 (position 84 in FIG. five). Each of the four bolt holes 38 in the assembly 15 Sh1atform1l corresponds to the flange holes 85 in the indicated support flange 86, fastened to the ties, y, 5 platforms by four bolts 87. The subassembly of the platform unit 15, which supports the platform 88 of the seat, includes a molded element, a hinged g109 bracket 64. This bracket includes two parallel, spaced apart cheeks 89 and 90, which are molded together with a flat web 63, with the pinnuts 91 and 92, which are located on the same axis and have a large diameter outwardly on the same axis. Each bracket 64 also includes a drilled bolt tide 93 for four bolts 87 of each support flange 86 Bolts 87 provided with individual washers, each inserted through a corresponding hole 85 in flange 86 and hole 38 in the platform and screwed into the tide hole 93, which provides b between the flange supports and the support elements and the strong clamping of the platform 88 located between them. A driver's cab (not shown) is removably connected at its top with an anti-tipping structure 16 and removably attached at the base of its front and rear walls with a platform 88 of a seat. A hinged part 62 of the beam provided with a hole, located at the end of each transverse beam, has a hollow hinge pin 94 located along axis 82 and entering into said holes 91 and 92. The sleeve means 60 of each separator comprises two conical elastic sleeves 95, preferably made of polyurethane. Each sleeve 95 is installed in each aforementioned trunnion apertures 91 and 92 so as to acoustically isolate each girth pin 94 from the platform assembly 15 and the adjacent top constructions of the tractor. The elements of the bolted connection 96 (nut, bolt) and washers 97 and 98 clamp the sleeves 95 along their enlarged condas so that they are firmly seated in the pin holes 91 and 92. The effective spacer assembly is formed by a hinge portion 62 transversely of the beam and two metal bushings 99 and 100 abutting against it, separating the hinge pin 94 at each end from the surrounding sleeve 95, respectively. The said expansion knot, due to the direct compressive interaction (contact) between the outer ends of the respective sleeves 99 and 100 and washers 97 and 98, limits the pre-compression of the sleeves 95 when the bolt joint elements are tightened to a predetermined torque which determines the preload of the joint. The insertion or removal of the threaded elements of the bolt connection 96 relative to the hollow interior of each articulated joint 94 of the separator and the corresponding insertion or removal of the pin 94 from the articulated part 62 of the transverse beam makes it relatively easy and convenient to assemble and disassemble the separators so as to separate the driver’s cab from specified tractor transverse beams. In addition, it is easy to pre-assemble the separator, which includes the hinge bracket, with each end of each crossbeam so that the four dividers are mounted on the crossbeams before attaching the latter to the tractor. Further, the four separators can be completely removed when the anti-tipping cab and / or driver's platform 88 are removed from the tractor. In this case, the sleeves 95 are wedged into the flared out trunnion holes 91 and 92 so as to prevent any axial movement of the hinge bracket 64 relative to these sleeves. The sleeves 95 also serve as supports elastically supporting each hinge pin 94 of the spacer. The tapering of the sleeves 95 makes it easy to install them in the apertures 91 and 92, and, in addition, these sleeves serve as an effective elastic support preventing the transmission of vibrations and noises occurring mainly in the tractor tracks. Thus, the four separators serve as easily removable joints, hinged joints, separation supports, and fixing joints that automatically become rigid after a predetermined swivel idle so as to provide reliable resistance to deflecting forces resulting from tipping over, following an instantaneous impact. in a collision with the ground. The invention allows to simplify installation and disassembly of the cabin, as well as the reliability of the installation unit as a whole. "four and/ S2Fl YYY /five at
权利要求:
Claims (2) [1] 1. INSTALLATION UNIT FOR ATTACHING THE TRACTOR CABIN ON A FRAME having a transverse beam, one end of which is pivotally mounted, made with flat surfaces, containing an end support element at the ends of the beam, which is a hinge bracket with two cheeks connected by jumpers and made with coaxial holes S of which an elastic separator is installed in the form of elastic bushings, a pin mounted on a transverse beam and located in said holes of the cheeks with the possibility of interaction with them by means of bushings, and removable threaded clamping elements placed at the ends of the pin and in contact with the elastic bushings, characterized in that, in order to simplify installation and dismantling, the hinge bracket is installed with a gap relative to the transverse beam to allow the beam to move in the elastic bushings relative to the hinge staples, while the transverse beam is made with stops to limit the movement of the staples in the elastic bushings. [2] 2. The installation site according to claim 1, characterized in that the said elastic bushings located in the cheeks of the bracket are made of conical shape.
类似技术:
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同族专利:
公开号 | 公开日 PL112481B1|1980-10-31| GB1497765A|1978-01-12| US3990738A|1976-11-09|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 US3438672A|1967-10-12|1969-04-15|Case Co J I|Isolated platform mounting| US3797598A|1972-04-03|1974-03-19|Caterpillar Tractor Co|Guard assembly for track drive motors| US3834754A|1973-01-29|1974-09-10|Allis Chalmers|Isolated tractor platform| US3866942A|1973-08-16|1975-02-18|Allis Chalmers Construction Ma|Rollover protection apparatus| JPS5350174Y2|1973-11-24|1978-12-01|US4150474A|1976-02-02|1979-04-24|Clark Equipment Company|Method of manufacturing an overhead guard for a skid steer loader| US4060261A|1976-02-02|1977-11-29|Clark Equipment Company|Loader main frame for skid steer loader| US4061073A|1977-01-28|1977-12-06|Caterpillar Tractor Co.|Controllably deformable fastener assembly| US5669325A|1996-07-19|1997-09-23|Feikema; Orville A.|Marine radar arch| US6237952B1|1998-09-23|2001-05-29|Caterpillar Inc.|Rollover protective structure for a mobile machine| DE102004017118A1|2004-04-07|2005-10-27|Deere & Company, Moline|Platform for an operator of a vehicle| US20090167057A1|2008-01-02|2009-07-02|Walter Benjamin G|Tractor Cab Suspension System| US8579363B2|2008-12-16|2013-11-12|Daniel E. Davis|Rollover protection cab| DE202010004971U1|2010-04-14|2010-09-02|Bomag Gmbh|Device for fixing a roll bar or the like. Attachments to a vehicle| US9346495B2|2014-04-21|2016-05-24|Caterpillar Inc.|Machine cabin having improved operator visibility|
法律状态:
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申请号 | 申请日 | 专利标题 US05/625,446|US3990738A|1975-10-24|1975-10-24|Isolated, offset tractor platform| 相关专利
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