CN212588954U - Grain threshing and crushing control system of corn grain direct-harvesting combine harvester - Google Patents
Grain threshing and crushing control system of corn grain direct-harvesting combine harvester Download PDFInfo
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- CN212588954U CN212588954U CN202021215219.0U CN202021215219U CN212588954U CN 212588954 U CN212588954 U CN 212588954U CN 202021215219 U CN202021215219 U CN 202021215219U CN 212588954 U CN212588954 U CN 212588954U
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- threshing
- control system
- threshing cylinder
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Abstract
The utility model discloses a corn grain direct harvesting combine harvester grain threshing and crushing control system. The system comprises a threshing cylinder rotating speed control system, a threshing concave control system, a display and a controller, wherein the threshing cylinder rotating speed control system comprises a threshing cylinder plunger variable proportional pump, a threshing cylinder plunger motor and an axial flow threshing cylinder rotating speed sensor; the threshing concave control system comprises a gear pump, an electric control proportional valve, a hydraulic oil cylinder and a threshing concave displacement sensor, wherein the gear pump is sequentially connected with the electric control proportional valve and the hydraulic oil cylinder through hydraulic elements, the hydraulic oil cylinder is connected with the threshing concave, the threshing concave displacement sensor is installed on the threshing concave, the threshing concave displacement sensor is connected with a controller through a wire harness, and the controller is connected with the electric control proportional valve through a circuit.
Description
Technical Field
The utility model relates to a corn grain direct harvesting combine harvester seed grain threshing and crushing control system belongs to agricultural harvesting machinery technical field, mainly is applicable to maize, wheat harvesting machinery.
Background
The corn grain direct harvesting combine adopts an axial flow threshing cylinder and a threshing concave plate to be matched for threshing, a threshing gap is arranged between the threshing cylinder and the threshing concave plate, and the threshing cylinder is matched with the threshing concave plate to thresh corn ears in the rotating process. The existing corn kernel direct harvesting combined harvester has the following defects: firstly, in a grain threshing and crushing control system of the corn grain direct-harvesting combine harvester, the rotating speed of a threshing cylinder is increased or reduced mainly by replacing a large belt pulley and a small belt pulley, the rotating speed is also constant, the rotating speed of the threshing cylinder cannot be adjusted and controlled, and the rotating speed of the threshing cylinder cannot be completely adapted to crops such as corn, wheat and the like with different degrees; secondly, the clearance of the threshing concave plate is adjusted, and the clearance of the threshing concave plate is adjusted mainly through a lever mechanical type at present, so that the adjustment is inconvenient and has limitation.
The utility model discloses the secondary technical problem who needs to solve is: the walking speed of the corn kernel direct harvesting combine is controlled, the walking speed of the existing corn kernel direct harvesting combine is mainly operated through a forward gear, the speed in the gear is controlled through a mechanical and stepless variable speed wheel, intelligent joint adjustment cannot be realized, an intelligent unified optimal and optimal harvesting mode cannot be achieved with kernel crushing, and the threshing effect is influenced.
Disclosure of Invention
To the above-mentioned defect that exists among the prior art, the utility model provides a threshing cylinder rotational speed, threshing concave clearance can intelligent regulation control's corn grain direct harvesting combine seed grain breakage control system that threshes.
The utility model discloses a realize through following technical scheme: a corn kernel direct harvesting combine harvester kernel threshing and crushing control system is characterized in that: the device comprises a threshing cylinder rotating speed control system, a threshing concave control system, a display and a controller, wherein the threshing cylinder rotating speed control system comprises a threshing cylinder plunger variable proportional pump, a threshing cylinder plunger motor and an axial flow threshing cylinder rotating speed sensor, the power input end of the threshing cylinder plunger variable proportional pump is connected with the power output end of an engine of a corn kernel direct harvesting combine harvester, the liquid output end of the threshing cylinder plunger variable proportional pump is connected with the input end of the threshing cylinder plunger motor through a hydraulic element, the output end of the threshing cylinder plunger motor is connected with a cylinder transmission box of an axial flow threshing cylinder of the corn kernel direct harvesting combine harvester through a coupler, the axial flow threshing cylinder rotating speed sensor is arranged on the front transmission shaft of the axial flow threshing cylinder of the corn kernel direct harvesting combine harvester, and the axial flow threshing cylinder rotating speed sensor is connected with the display, the display is connected with the controller through a circuit, and the controller is connected with the threshing cylinder plunger variable proportional pump through a wire harness; threshing concave control system includes gear pump, automatically controlled proportional valve, hydraulic cylinder, threshing concave displacement sensor, the power input end of gear pump is connected with the power take-off mouth of the engine of corn grain direct harvesting combine, the liquid delivery outlet of gear pump passes through hydraulic component and connects in proper order automatically controlled proportional valve with hydraulic cylinder, hydraulic cylinder with corn grain direct harvesting combine's threshing concave's support arm is connected, threshing concave displacement sensor installs on threshing concave's support arm, threshing concave displacement sensor pass through the pencil with the controller is connected, the controller pass through the circuit with automatically controlled proportional valve connects.
The utility model discloses in, among the threshing cylinder rotational speed control system, threshing cylinder plunger variable proportional pump provides power by the engine, export threshing cylinder plunger motor through hydraulic system, threshing cylinder plunger motor transmission moment of torsion to threshing cylinder transmission case, threshing cylinder transmission case transmission power drives axial compressor threshing cylinder and rotates, give the controller through axial compressor threshing cylinder rotational speed sensor transmission rotational speed pulse signal, the controller is controlled according to the rotational speed, then controller control threshing cylinder plunger variable proportional pump, the proportional solenoid valve aperture size of control variable pump, thereby the flow of control variable pump, reach the rotational speed of control threshing cylinder plunger motor, and then control axial compressor threshing cylinder's rotational speed, set up the control page of control threshing cylinder rotational speed in the display. In the threshing concave control system, a gear pump is powered by an engine, is connected with an electric control proportional valve through a hydraulic element, controls the telescopic length of a hydraulic oil cylinder through the electric control proportional valve, and controls the movement of the threshing concave through the hydraulic oil cylinder. The displacement sensor of the threshing concave plate measures the moving distance of the threshing concave plate, analog signals are transmitted to the controller, and the controller controls the electric control proportional valve to further control the stretching of the hydraulic oil cylinder, so that the adjustment of the clearance of the threshing concave plate is realized. A control page for controlling the size of the gap between the threshing concave plates is arranged in the display.
Further comprises a walking vehicle speed control system, the walking vehicle speed control system comprises a walking plunger variable proportional pump, a front driving main motor, a rear driving auxiliary motor, a time-sharing four-driving switch valve, a vehicle speed sensor and a control handle, the power input end of the walking plunger variable proportional pump is connected with the rear power take-off port of the engine of the corn kernel direct harvesting combine, the liquid output port of the walking plunger variable proportional pump is respectively connected with the front driving main motor and the rear driving auxiliary motor through hydraulic elements, the controller is connected with the traveling plunger variable proportional pump through a wire harness, the time-sharing four-wheel drive switch valve is connected with the rear drive auxiliary motor through a wire harness, the speed sensor is arranged on a side reducing shaft of the corn kernel direct harvesting combine harvester, the speed sensor is connected with the controller through a circuit, and the control handle is connected with the controller. The utility model discloses in, engine output power gives walking plunger variable proportion pump, and walking plunger variable proportion pump output hydraulic oil passes through hydraulic system and drives to preceding drive main motor and back drive respectively and assist the motor and drive, and the flow size of walking plunger variable proportion pump is controlled through the controller, drives the rotational speed of main motor and back drive auxiliary motor before the control, and speed sensor transmission signal gives the controller. The time-sharing four-wheel drive switch valve is used for controlling the rear drive auxiliary motor, when the vehicle runs in a transition place, the time-sharing four-wheel drive switch valve is closed when four-wheel drive is not needed, and when the vehicle works, the time-sharing four-wheel drive switch valve is opened to carry out four-wheel drive. The control handle is used for controlling the forward movement or the backward movement, outputting a current signal, and the controller controls the variable pump to work in different directions.
The utility model has the advantages that: the utility model can realize the adjustment and the controllability of the rotating speed of the threshing cylinder, and solves the technical problems that the rotating speed of the threshing cylinder of the existing corn grain direct harvesting and grain threshing system can not be adjusted and controlled, and can not adapt to the threshing requirements of crops such as corn, wheat and the like with different degrees; the utility model discloses can realize the automatically regulated to threshing concave clearance, can adapt to the demand of threshing of different crops better. The utility model discloses a walking speed of a motor vehicle control system can realize the adjustable controllable of the speed of a motor vehicle, can with threshing cylinder rotational speed control system and threshing concave control system synchronous working, can realize intelligent antithetical couplet and transfer, can realize the best, the most ideal mode of reaping.
Drawings
FIG. 1 is a control schematic diagram of a rotational speed control system of a threshing cylinder according to the present invention;
FIG. 2 is a control schematic diagram of the threshing concave control system of the present invention;
fig. 3 is a control schematic diagram of a walking vehicle speed control system according to the present invention;
FIG. 4 is a hydraulic schematic diagram of a system for controlling the rotational speed of a threshing cylinder according to the present invention;
FIG. 5 is a hydraulic schematic diagram of a threshing concave control system according to the present invention;
fig. 6 is a hydraulic schematic diagram of a traveling vehicle speed control system according to the present invention;
fig. 7 is an electric control schematic diagram of the present invention;
in the figure, 1, a threshing cylinder plunger variable proportional pump, 2, a hydraulic element, 3, a threshing cylinder plunger motor, 4, a cylinder transmission case, 5, an axial flow threshing cylinder, 6, an axial flow threshing cylinder rotating speed sensor, 7, a display, 8, a controller, 9, a gear pump, 10, an electric control proportional valve, 11, a hydraulic oil cylinder, 12, a threshing concave plate, 13, a threshing concave plate displacement sensor, 14, a walking plunger variable proportional pump, 15, a front driving main motor, 16, a front driving wheel, 17, a rear driving auxiliary motor, 18, a time-sharing four-driving switch valve, 19, a vehicle speed sensor, 20, a control handle, 21, a connecting wire connector of a rear driving auxiliary motor, 22, a connecting wire connector of a threshing cylinder plunger variable proportional pump, 23, a backward connecting wire connector of a walking plunger variable proportional pump, 24, a forward connecting wire connector of a walking plunger variable proportional pump, 25, a cylinder transmission case, 5, a display, Threshing concave displacement sensor's wiring connector, 26, vehicle speed sensor's wiring connector, 27, axial-flow threshing cylinder rotational speed sensor's wiring connector, 28, electric control proportional valve's wiring connector, 29, timesharing four-wheel drive switch valve's wiring connector, 30, handle's wiring connector, 31, controller's wiring connector, 32, CAN1 wiring connector, 33, CAN2 wiring connector, 34, display's wiring connector, 35, CAN 2-resistance wiring connector, 36, CAN 1-resistance wiring connector.
Detailed Description
The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:
as shown in the attached drawing, the grain threshing and crushing control system of the corn grain direct-harvesting combine harvester comprises a threshing cylinder rotating speed control system, a threshing concave plate control system, a display 7 and a controller 8. The threshing cylinder rotating speed control system comprises a threshing cylinder plunger variable proportional pump 1, a threshing cylinder plunger motor 3 and an axial flow threshing cylinder rotating speed sensor 6, wherein the power input end of the threshing cylinder plunger variable proportional pump 1 is connected with the power output end of an engine of the corn grain direct harvesting combine, the liquid output port of the threshing cylinder plunger variable proportional pump 1 is connected with the input end of the threshing cylinder plunger motor 3 through a hydraulic element 2, the output end of the threshing cylinder plunger motor 3 is connected with a cylinder transmission box 4 of the axial flow threshing cylinder of the corn grain direct harvesting combine through a coupler, and the cylinder transmission box 4 is used for driving the axial flow threshing cylinder to rotate. The axial flow threshing cylinder rotating speed sensor 6 is arranged on a front transmission shaft of an axial flow threshing cylinder 5 of the corn kernel direct harvesting combine harvester and is used for transmitting the rotating speed of the cylinder. The axial flow threshing cylinder rotating speed sensor 6 is connected with the display 7, the display 7 is connected with the controller 8 through a circuit, and the controller 8 is connected with the threshing cylinder plunger variable proportional pump 1 through a wire harness. The display 7 is mounted in a convenient location within the cab and the controller 8 is mounted within the cab. The threshing cylinder plunger variable proportion pump 1, the threshing cylinder plunger motor 3, the axial flow threshing cylinder rotating speed sensor 6, the display 7 and the controller 8 are all in the prior art. In the threshing cylinder rotating speed control system, a threshing cylinder plunger variable proportional pump 1 is powered by an engine, hydraulic oil output by the pump is output to a threshing cylinder plunger motor 3 through a hydraulic system, the threshing cylinder plunger motor 3 transmits torque to a cylinder transmission case 4, the cylinder transmission case 4 transmits power to drive an axial flow threshing cylinder 5 to rotate, a rotating speed pulse signal is transmitted to a controller 8 through an axial flow threshing cylinder rotating speed sensor 6, the controller 8 controls according to the rotating speed, then the controller 8 outputs current at a high side to control the threshing cylinder plunger variable proportional pump 1, the opening of a proportional electromagnetic valve of the variable pump is controlled, so that the flow of the variable pump is controlled, the rotating speed of the threshing cylinder plunger motor 3 is controlled, and the rotating speed of the axial flow threshing cylinder 5 is controlled. The display 7 is programmed and operated to control the rotating speed of the drum, and a control page for controlling the rotating speed of the threshing drum is arranged in the display 7 to perform touch operation.
The threshing concave control system comprises a gear pump 9, an electric control proportional valve 10, a hydraulic oil cylinder 11 and a threshing concave displacement sensor 13, wherein the power input end of the gear pump 9 is connected with a power take-off port of an engine of the corn kernel direct harvesting combined harvester, a liquid output port of the gear pump 9 is sequentially connected with the electric control proportional valve 10 and the hydraulic oil cylinder 11 through hydraulic elements, and the hydraulic oil cylinder 11 is connected with a support arm of a threshing concave 12 of the corn kernel direct harvesting combined harvester. The threshing concave displacement sensor 13 is arranged on the support arm of the threshing concave 12 and can move together with the telescopic end of the hydraulic oil cylinder. The threshing concave displacement sensor 13 is connected with the controller 8 through a wire harness, and the controller 8 is connected with the electric control proportional valve 10 through a circuit. The gear pump 9, the electric control proportional valve 10, the hydraulic oil cylinder 11 and the threshing concave displacement sensor 13 are all in the prior art. In the threshing concave control system, a gear pump 9 is powered by an engine, is connected with an electric control proportional valve 10 through a hydraulic element, controls the telescopic length of a hydraulic oil cylinder 11 through the electric control proportional valve 10, and controls the movement of a threshing concave 12 through the hydraulic oil cylinder 11. The moving distance of the threshing concave is measured by a threshing concave displacement sensor 13, an analog signal is transmitted to the controller 8, and the controller 8 controls the hydraulic oil cylinder 11 to stretch and retract by controlling the electric control proportional valve 10, so that the adjustment of the clearance of the threshing concave is realized. A control page for controlling the size of the gap between the threshing concave plates is arranged in the display 7 for touch operation.
The utility model discloses still include walking speed of a motor control system, walking speed of a motor control system includes that walking plunger variable proportional pump 14, front drive main motor 15, back drive assist motor 17, timesharing four-wheel drive ooff valve 18, speed sensor 19, brake valve 20, walking plunger variable proportional pump 14's power input end and maize seed grain directly receive the back power take-off mouth of combine's engine and be connected, walking plunger variable proportional pump 14's liquid delivery outlet pass through hydraulic component respectively with front drive main motor 15 with back drive assists motor 17 to connect, and front drive main motor 15 installs on the front axle gearbox of harvester, and back drive assist motor 17 installs on the rear axle of harvester. The time-sharing four-wheel drive switch valve 18 is installed at a position convenient to operate in the cab, and the time-sharing four-wheel drive switch valve 18 is connected with the rear drive auxiliary motor 17 through a wire harness to control the rear wheel drive. The speed sensor 19 is arranged on a side reducing shaft of the corn kernel direct harvesting combine harvester. The controller 8 is connected with the walking plunger variable proportional pump 14 through a wire harness, the vehicle speed sensor 19 is connected with the controller 8 through a circuit, the control handle 20 is connected with the controller 8, and the control handle 20 is installed in a cab. The walking plunger variable proportional pump 14, the front driving main motor 15, the rear driving auxiliary motor 17, the time-sharing four-driving switch valve 18, the vehicle speed sensor 19 and the control handle 20 are all in the prior art. The engine outputs power to the traveling plunger variable proportional pump 14, the traveling plunger variable proportional pump 14 outputs hydraulic oil to the front driving main motor 15 and the rear driving auxiliary motor 17 through the hydraulic system to be driven respectively, and the controller 8 outputs current at a high side to control the flow of the traveling plunger variable proportional pump 14 and control the rotating speed of the front driving main motor 15 and the rear driving auxiliary motor 17. The vehicle speed sensor 19 transmits a signal to the controller 9. The time-sharing four-wheel drive switch valve 18 controls the rear drive auxiliary motor 17, and is closed when four-wheel drive is not necessary during transition travel, and is opened during operation to perform four-wheel drive. The control handle 20 is used for controlling forward or backward movement, the walking control handle is pushed forward to output a current signal, the walking control handle is pushed backward to output a current signal, and the controller controls the variable pump to work in different directions. The display is provided with a walking interface.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (2)
1. A corn kernel direct harvesting combine harvester kernel threshing and crushing control system is characterized in that: comprises a threshing cylinder rotating speed control system, a threshing concave control system, a display (7) and a controller (8), wherein the threshing cylinder rotating speed control system comprises a threshing cylinder plunger variable proportional pump (1), a threshing cylinder plunger motor (3) and an axial flow threshing cylinder rotating speed sensor (6), the power input end of the threshing cylinder plunger variable proportional pump (1) is connected with the power output end of an engine of the corn grain direct harvesting combine harvester, the liquid output end of the threshing cylinder plunger variable proportional pump (1) is connected with the input end of the threshing cylinder plunger motor (3) through a hydraulic element, the output end of the threshing cylinder plunger motor (3) is connected with a cylinder transmission box (4) of an axial flow threshing cylinder of the corn grain direct harvesting combine harvester through a coupler, the axial flow threshing cylinder rotating speed sensor (6) is installed on the front transmission shaft of the axial flow threshing cylinder of the corn grain direct harvesting combine harvester, the axial flow threshing cylinder rotating speed sensor (6) is connected with the display (7), the display (7) is connected with the controller (8) through a circuit, and the controller (8) is connected with the threshing cylinder plunger variable proportional pump (1) through a wire harness; threshing concave control system includes gear pump (9), automatically controlled proportional valve (10), hydraulic cylinder (11), threshing concave displacement sensor (13), the power input end of gear pump (9) is connected with the power take-off mouth of the engine of corn grain direct harvesting combine, the liquid delivery outlet of gear pump (9) passes through hydraulic component and connects in proper order automatically controlled proportional valve (10) with hydraulic cylinder (11), hydraulic cylinder (11) with corn grain direct harvesting combine's threshing concave's support arm is connected, threshing concave displacement sensor (13) are installed on threshing concave's the support arm, threshing concave displacement sensor (13) pass through the pencil with controller (8) are connected, controller (8) pass through the circuit with automatically controlled proportional valve (10) are connected.
2. The grain threshing and crushing control system of the corn grain direct-harvesting combine harvester of claim 1, which is characterized in that: the corn direct harvesting combine harvester further comprises a walking vehicle speed control system, the walking vehicle speed control system comprises a walking plunger variable proportional pump (14), a front driving main motor (15), a rear driving auxiliary motor (17), a time-sharing four-wheel driving switch valve (18), a vehicle speed sensor (19) and a control handle (20), a power input end of the walking plunger variable proportional pump (14) is connected with a rear power take-off port of an engine of the corn direct harvesting combine harvester, a liquid output port of the walking plunger variable proportional pump (14) is respectively connected with the front driving main motor (15) and the rear driving auxiliary motor (17) through a hydraulic element, a controller (8) is connected with the walking plunger variable proportional pump (14) through a wiring harness, the time-sharing four-wheel driving switch valve (18) is connected with the rear driving auxiliary motor (17) through the wiring harness, and the vehicle speed sensor (19) is installed on a side reducing shaft of the corn direct harvesting combine harvester, the vehicle speed sensor (19) is connected with the controller (8) through a circuit, and the control handle (20) is connected with the controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215219.0U CN212588954U (en) | 2020-06-28 | 2020-06-28 | Grain threshing and crushing control system of corn grain direct-harvesting combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215219.0U CN212588954U (en) | 2020-06-28 | 2020-06-28 | Grain threshing and crushing control system of corn grain direct-harvesting combine harvester |
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| CN212588954U true CN212588954U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021215219.0U Expired - Fee Related CN212588954U (en) | 2020-06-28 | 2020-06-28 | Grain threshing and crushing control system of corn grain direct-harvesting combine harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519279A (en) * | 2021-07-22 | 2021-10-22 | 江苏大学 | Hydraulic self-adaptive driving and controlling system and method for hydraulic variable-diameter threshing cylinder |
-
2020
- 2020-06-28 CN CN202021215219.0U patent/CN212588954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113519279A (en) * | 2021-07-22 | 2021-10-22 | 江苏大学 | Hydraulic self-adaptive driving and controlling system and method for hydraulic variable-diameter threshing cylinder |
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Granted publication date: 20210226 |