• 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:
    abstract “apparatus for processing sugar cane for multiple rows of sugarcane stems, sugarcane harvester, method for harvesting multiple rows of sugarcane stems using multiple base cutters and method of determining the load between a chassis and a link ”it is a multi-row sugar cane harvester that has automatic and independent control of multiple base cutters used to split sugar cane stems into rows adjacent. Position sensors capture the height of the base cutters in relation to the chassis of the sugarcane harvester and feed the signals to a controller to adjust the height to a pre-selected level. the base cutters are driven individually by hydraulic motors through individual hydraulic circuits and the operating pressure is captured and fed to the controller to determine whether or not an obstruction condition exists. a load sensor is incorporated between the link and the sugarcane harvester chassis to determine whether or not the base cutters have contact with the ground to raise the base cutters. 1/1
    公开号:BR112015031412B1
    申请号:R112015031412-0
    申请日:2014-07-02
    公开日:2020-06-16
    发明作者:Ramon Sarchi；Jan Verstraete；Adriano Fagundes；Daenio Cleodolphi；Fabio Tanaka
    申请人:Cnh Industrial America Llc；
    IPC主号:
    专利说明:

    “SUGARCANE HARVESTER AND METHOD FOR HARVESTING MULTIPLE ROWS OF SUGARCANE STONES USING MULTIPLE BASIC CUTTERS”
    Field of the Invention
    [001] The present invention relates to a sugar cane harvester and, more particularly, to harvesters of the type that processes multiple rows.
    Fundamentals of Invention
    [002] When harvesting sugarcane, one of the essential elements of the machine is the base cutter. This is the component that cuts the stem to be loaded by the harvester for a sequence of processing steps. When using the base cutter, it is desirable to cut the sugar cane stems as close to the soil as possible without compromising the root and the soil. Due to variations in terrain and soil composition, it is necessary to adjust the height of the base cutter to an ideal height when operating in the field. Several previous approaches used different devices to control the height of the base cutter. These can take the form of optical position sensors and other approaches known in the art.
    [003] The problem of adjusting the height of the base cutter becomes more challenging when the harvester processes multiple rows of sugarcane stems in order to gain productivity. Currently, it is proposed that two rows of sugarcane stems be processed, however it is noted that additional rows can be processed by future machines. With such multiple processing rows, the instant adjustment of the base cutter can vary dynamically during field processing and the height of one of the base cutters will not necessarily be the height of the other. Previous attempts have been made to adjust the height, but they involve systems that are both overly complicated and simply
    Petition 870190086894, of September 4, 2019, p. 24/39
    I 8 approximate the desired height of the base cutter.
    [004] What is desired in the technique, therefore, is the height control of the base cutter for a multi-row sugar cane harvester that avoids the above problems and is effective in dynamic field conditions.
    Description of the Invention
    [005] In one form, the present invention is incorporated into a sugar cane processing apparatus that has multiple base cutters positioned adjacent to the surface of a field to cut sugarcane stems at pre-selected heights individual. A link positions each base cutter at a variable height in relation to the field surface and an actuator variablely positions the base cutter at a pre-selected distance from the field surface. The position sensors generate signals proportional to the position of the base cutters in relation to the field surface. The load sensors on the connection determine the load imposed on the base cutter by contact with the field surface. A controller coordinates the position of the signal that reflects the position of the base cutter and the load on the actuator link to keep the base cutter at a pre-selected height.
    [006] In another form of the invention, the above combination includes a hydraulic motor that supplies power to the base cutter and a hydraulic system to supply fluid to the hydraulic motor and a pressure sensor to generate a signal that reflects the pressure above a level to indicate obstruction and feed that signal to the controller to raise the height.
    [007] In yet another form, the invention is a sugarcane harvester that has a propelled chassis to move through a field in a forward direction. The chassis has sugar cane line dividers and a downstream base cutter. A device for
    Petition 870190086894, of September 4, 2019, p. 25/39
    I 8 sugarcane processing is positioned downstream of the base cutter. The sugarcane harvester has a connection for variable positioning of the base cutters at a pre-selected distance from the field surface. Motors are provided for each base cutter. A position sensor is employed in the connection to generate a signal indicating the position of the base cutter in relation to the ground and a load sensor is positioned in the connection to determine the presence or absence of a load that reflects contact with the ground. The load sensor sends a signal to a controller to control the actuator to variablely position the base cutter in response to signals from the sensors.
    [008] In another embodiment, the sugarcane harvester includes a hydraulic motor that operates the base cutters and a pressure sensor to generate a signal to the controller when pressure above a given level indicates an obstruction effect and, in this way, raise the base cutter in relation to the field surface.
    [009] In yet another form, the invention is a method for harvesting multiple rows of sugarcane stems using multiple base cutters. The method includes the steps of positioning the base cutters independently at a given position in relation to the field surface and capturing the position in relation to the field surface. The load on the base cutters is determined and used to raise the base cutters in the event of an obstruction.
    [010] In another form, the method includes the step of using hydraulic pressure to drive the base cutters in rotation and determine the force of drive fluid so that the force above a given level indicates the obstruction in relation to the stem. sugar cane and that makes the base cutters elevated in relation to the surface of the field.
    Petition 870190086894, of September 4, 2019, p. 26/39
    I 8
    Brief Description of Drawings
    [011] The characteristics and advantages mentioned above and other characteristics and advantages of this invention, and the way of obtaining them, will become more evident and the invention will be better understood by reference to the following description of an embodiment of the invention, taken together with the attached drawings, where:
    Figure 1 is a side elevation view of a sugarcane harvester that incorporates the present invention;
    Figure 2 is a front view of the sugarcane harvester in Figure 1;
    Figure 3 is a partial side view of the sugar cane harvester of Figure 1 showing the details of several sensors that are incorporated in the invention;
    Figure 4 is a partial side view of the combine of Figure 1 showing the interconnection between the chassis of the combine and the movement of the base cutter; and
    Figure 5 is a schematic view of the control system for the sugarcane harvester in Figures 1 to 4.
    [012] The additional annexes show the steps of the method in the practice of the present invention.
    [013] Corresponding reference characters indicate corresponding parts in the various views. The exemplification defined in this document illustrates an embodiment of the invention and such exemplification should not be construed in any way as limiting the scope of the invention.
    Description of Realizations of the Invention
    [014] Figure 1 shows a sugarcane harvester 10 that includes a chassis 12 that has endless rails 14 for directional movement energized through a field 16. The chassis 12 is energized in a way
    Petition 870190086894, of September 4, 2019, p. 27/39
    I 8 motor mechanism, usually an internal combustion motor mechanism. The endless rails 14 provide movement through field 16 as well as direction. It should be apparent to those skilled in the art that a wide variety of propulsion units, as well as movement arrangements on the ground, such as wheels, can be employed on chassis 12 so that it moves through a field to harvest cane. sugar.
    [015] A cutter set 18 extends forward from the chassis 12 to break the tops of the sugarcane stems to facilitate harvesting. A crop line divider set 20 includes a pair of cylinders that divide the crops and move the sugarcane stem in a downstream direction in relation to the forward movement of the chassis 12, where the stem base is cut by a pair of base cutter sets 22. Base cutter sets 22 generally consist of overlapping rotating discs to which the stems are fed to break them at their bases. The cut stems, along with unwanted material, are moved in a downstream direction to feed a mechanism 24 that delivers the billet material to the equipment, generally indicated by 26, which cleans the unwanted material and other crop parts from the billets and it also extracts garbage to finally place the stems in a form to be delivered to a vintage car (not shown) by a driver 27.
    [016] The sugarcane harvester of Figures 1 and 2 is adapted to process multiple rows of sugarcane, like the two rows illustrated. For this purpose, the sugarcane harvester has a right and left pair of base cutters 22 to provide independent control of the cut height of the base cutter. The base cutters 22, in addition to being movable up and down in relation to the surface of the field 16, are driven by hydraulic motors 28 shown schematically in Figure 2 and Figure 5.
    Petition 870190086894, of September 4, 2019, p. 28/39
    I 8
    [017] In Figure 5, the hydraulic motors 28 drive, each, the base cutters 22 in their respective pairs. Motors 28 on the left are hydraulically connected to a hydraulic pressure source 30 over line 34 and hydraulic motors 28 on the right are connected to a source that can be controlled independently of hydraulic fluid 32 via line 36. As stated below, a pressure 38 and a line 34 and the sensor 40 and line 36 capture the engine pressure. This motor pressure is transmitted in the form of a signal through lines 42 and 44 to a controller, also called an electronic control unit (ECU) 46.
    [018] Motors 28 and base cutters 22 are mechanically movable up and down through a mechanical interconnect 48 to the left and 50 to the right. The displacement of the motor and base cutters 28 and 22 is captured by component 52 on the left and component 54 on the right. The signals from these components are fed via lines 56 and 58 also to ECU 46. Sensors 52 and 54 can take one of several different forms, however in the present case they can be Hall effect sensors that detect rotation in the suspension of the base cutter and thus generate a signal indicating the height of the base cutter. In addition, mechanical interconnections 48 and 50 for hydraulic motors and base cutters can contain load sensors 60 and 62 that are interconnected between the connection for the base cutter and harvester chassis 10. The signals from the sensors pressure lines 38 and 40 are fed by lines 42 and 44 to ECU 46.
    [019] Sensors 38 and 40 detect the working pressure of motors 28 and, as described below, detect when the working pressure of motors 28 increases beyond a threshold, such as when an obstruction in the ground is encountered. Sensors 52 and 54 generate a signal proportional to the distance of the base cutters 22 above the surface of the
    Petition 870190086894, of September 4, 2019, p. 29/39
    I 8 field. This is used as a primary input to determine the position of the base 22 cutters. Load sensors 60 and 62, which can be used in the suspension, detect a condition of engagement in the ground between the base 22 cutters and the field surface. , such as when the load goes to zero.
    [020] Figure 3 shows a fragmentary side view of the suspension system 48 for one of the base cutter sets. This suspension system is duplicated for the other of the base cutters. The suspension system includes a pivoting connection 68 to a frame member of the chassis 12. The load pin sensor 60 is positioned on the pivoting connection. An actuator 70 has an end connected to the pivoting connection 68 and an output shaft 72 connected to a lifting mechanism for the base cutter. Displacement sensor 52, illustrated as a Hall effect sensor, is mounted on a clamp 74 also connected to a frame member 12.
    [021] Figure 4 is a side view of an additional portion of the combine showing the addition of the line divider 20 also mounted on the chassis 12 with the actuator 70 illustrated and the output shaft 72 connected to raise or lower the base cutter 22 and hydraulic motors 28. Substantially parallel connections 71 and 73 are pivotally connected to a chassis 12 and the structure that constitutes the line dividers 20 and the base cutter 22. In this way, sensors 52 and 54 detect changes in angles that reflect variations in the distance of the base cutters from the field surface.
    [022] The system as presented above operates in the manner that is illustrated in the attached additional documents. The total effect of the arrangement of the sensors and the interconnection with the ECU is to keep the heights of base cutters at the optimum pre-selected value, independent of each other. Load sensors 60 and 62, when used, determine whether the cutters
    Petition 870190086894, of September 4, 2019, p. 30/39
    I 8 base or not hit the ground and adjust the mechanism upwards accordingly. Similarly, pressure sensors 38 and 40 detect when a ground obstruction condition has occurred by substantially increasing the operating pressure of engines 28. Displacement sensors 52 determine height in relation to the ground and, independently of each other, maintain the height of the base cutters in the pre-selected mode according to the logic presented in the attached documents.
    [023] Although this invention has been described in relation to at least one embodiment, the present invention can be further modified within the spirit and scope of this disclosure. This application, therefore, is intended to cover any variations, uses or adaptations of the invention with the use of its general principles. In addition, this application is intended to cover such deviations from the present disclosure as covered by known or customary practice in the art to which this invention belongs and which are within the limits of the appended claims.
    权利要求:
    Claims (4)
    [1]
    1. SUGARCANE HARVESTING MACHINE, comprising:
    a chassis (12) energized to move through a field (16) in a forward direction;
    a sugar cane line divider (20);
    a base cutter (22) positioned downstream of the sugar cane line divider (20) to cut the sugar cane stems in individual rows;
    a connection connected to the chassis (12) to variablely position the base cutter (22) in relation to the field surface (16);
    an actuator (70) for variable positioning of the base cutter (22) in relation to the field surface (16);
    a position sensor (52, 54) on the connection to generate a signal indicating a position of the base cutter (22) in relation to the field surface (16);
    a controller (46) configured to receive a signal from said position sensor (52, 54) to maintain the base cutter (22) at a preselected height; and characterized by comprising a load sensor (60, 62) between the connection and the harvester chassis to detect and generate a signal representative of the load, the controller (46) being configured to determine when the load signal falls, indicating the contact with the soil between the base cutter (22) and the field surface (16) to raise the base cutter (22).
    [2]
    2. SUGAR CANE HARVEST, according to claim 1, characterized by the fact that it includes a hydraulic motor (28) to drive the base cutter (22) and a hydraulic system to supply pressurized fluid individually to the motor ( 28) of the base cutters (22) and a
    Petition 870190086894, of September 4, 2019, p. 32/39
    2 I 2 pressure sensor (38, 40) that captures the working pressure of the hydraulic motor (28) to generate a signal whenever the working pressure exceeds a predetermined level and feed that signal to the controller (46) to raise the cutter base (22) in relation to the field surface (16).
    [3]
    3. METHOD FOR COLLECTING MULTIPLE ROWS OF
    SUGARCANE STICKS USING MULTIPLE BASE CUTTERS, the method being characterized by the fact that it comprises: positioning a base cutter (22) independently to a given position in relation to the field surface (16);
    capture the position of the base cutter (22) in relation to the field surface (16);
    determine a load with a load sensor (60, 62) between a chassis (12) of a sugar cane harvester (10) and the connection connecting the chassis (12) to the base cutter (22);
    determine the engagement of the base cutter (22) with the controller (46) and raise the base cutter (22) when determining that the load representative signal from the load sensor has reduced, indicating contact with the ground between the cutter base (22) and the field surface to raise the base cutter.
    [4]
    4. METHOD, according to claim 3, characterized by the fact that it includes the step of: using hydraulic pressure to independently rotate the base cutters (22) and capture the operating pressure of the motor (28) to determine obstruction.
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    法律状态:
    2018-02-27| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-07-09| B06T| Formal requirements before examination|
    2020-04-07| B09A| Decision: intention to grant|
    2020-06-16| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/07/2014, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201361842264P| true| 2013-07-02|2013-07-02|
    US61/842,264|2013-07-02|
    PCT/US2014/045255|WO2015003058A2|2013-07-02|2014-07-02|Method and apparatus for control of base cutter height for multiple row sugar cane harvesters|
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