CN210461657U - Tractor load reversing and high-low gear gearbox control device - Google Patents
Tractor load reversing and high-low gear gearbox control device Download PDFInfo
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- CN210461657U CN210461657U CN201920777867.6U CN201920777867U CN210461657U CN 210461657 U CN210461657 U CN 210461657U CN 201920777867 U CN201920777867 U CN 201920777867U CN 210461657 U CN210461657 U CN 210461657U
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- tractor
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- clutch
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Abstract
The utility model relates to a gearbox control device technical field especially relates to tractor load switching-over and high-low gear gearbox control device, and current tractor load switching-over and high-low gear gearbox control device shift whole process loaded down with trivial details, complicacy, tractor load switching-over and high-low gear gearbox control device, include as signal processing device's TCU control module, signal generation device and the hydraulic pressure proportion valves who is used for acting drive arrangement, signal generation device includes power reversing handle, clutch pedal position sensor, clutch pedal release switch, PTO button, and the simplified operation improves the operating efficiency of tractor driver, has good development prospect at tractor gearbox control device.
Description
Technical Field
The utility model relates to a gearbox control device technical field especially relates to tractor load switching-over and high-low gear gearbox control device.
Background
The tractor is used as power source equipment in agricultural production, and a transmission system, namely a gearbox of the tractor becomes a key part of the whole machine. It not only relates to the operability of the tractor, but also determines the dynamic property and fuel economy of the tractor, and at the same time determines the final operating efficiency, so the development of the transmission technology is an important field for the development of the tractor technology.
Most of large and medium power wheeled tractors produced in China change the forward and reverse directions by setting a reverse gear in a gearbox and adopting mechanical gear shifting modes such as a sliding gear, a meshing sleeve or a synchronizer to switch the forward and reverse gears, when the forward direction of the tractor is changed, a main clutch of the tractor needs to be separated firstly, and then the forward or reverse gear is hung, so that the mode has low efficiency and high labor intensity of a driver, particularly when in cultivation and planting operation of small plots, the driver needs to operate the reverse tractor to turn around each time when arriving at the plot, and at the moment, the tractor needs to operate the clutch of the tractor and shift gears by a manipulator, and operation accessories need to be operated, the whole process is complicated and cannot be finished once often, and the operation of the manipulator needs to be carried out for a plurality of times.
The utility model discloses use tractor power switching-over gearbox as the control unit, invent the controlling means who is fit for this type of gearbox.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a tractor load switching-over and high-low gear gearbox controlling means solve the problem that current tractor switching-over process is loaded down with trivial details, driver operating efficiency is low.
The technical scheme is that the tractor load reversing and high-low gear gearbox control device comprises a TCU control module serving as a signal processing device, a signal generating device and a hydraulic proportional valve bank used for acting a driving device, wherein the signal generating device comprises a power reversing handle, a clutch pedal position sensor, a clutch pedal separating switch, a PTO button and a PTO tail button, the control device acquires the operation intention of a driver through each acquisition element, acquired information is converted into an electronic signal through the switch and the sensor and is transmitted to a TCU controller, the liquefied proportional valve bank is driven according to the operation intention of the driver, and finally the clutch of the gearbox is controlled, so that the aim of controlling the reversing of the gearbox is fulfilled.
The TCU control module is used as a coordination module of the whole control device, collects signals of each handle, switch and sensor and drives the corresponding electromagnetic valve to output according to the intention of an operator, so as to realize power reversing and control on PTO power output, and is used as a coordination control device for signal collection, signal processing and signal output driving, and is used as a programmable logic controller to operate an application program according to the requirements of a user;
the power reversing handle is internally provided with three switches for respectively controlling forward, neutral and backward movement for a driver to operate, the driver selects the driving direction of the vehicle through the switches and transmits the direction request information of the driver to the TCU, and when the neutral position changes to the forward or backward direction, a misoperation prevention measure is provided on a mechanical structure, and a handle needs to be lifted up firstly;
the clutch pedal position sensor detects the angle change of the clutch pedal through an angle sensor, predicts the operation intention of a driver and is used for micro-motion control of hitching agricultural implements or parking and warehousing and the like;
the clutch pedal separating switch acts when the clutch pedal is treaded down by about 5 percent, outputs a switching value signal, performs redundant judgment on a clutch position sensor signal, and avoids damage to the clutch when the position sensor is abnormal;
the PTO button is used as an operating device for controlling the rear-end power output operation of the tractor by a driver to control whether the tractor operates, the PTO button TCU is pulled up to control the rear-end power output operation, when the PTO button is operated from the stop to the operation direction, a misoperation prevention measure is provided on a mechanical structure, the PTO button TCU is knocked down to control the rear-end power output to stop, and when the PTO button is knocked down, a mechanical locking mechanism is not provided for rapidly stopping an output device;
the PTO tail button is an auxiliary button for a driver to independently finish the hanging of the machine tool outside a cab, and the PTO is controlled to rotate by clicking the button, so that the driver can conveniently independently finish the hanging of the machine tool;
the hydraulic proportional valve group is provided with two paths of proportional pressure reducing valves for respectively controlling a forward clutch and a backward clutch, a switch valve controls a PTO clutch, the valve group is provided with two-stage overflow, oil can be used for clutch lubrication after first-stage overflow, the hydraulic proportional valve group is provided with an energy accumulator device and is used for driving a hydraulic valve to act under an emergency condition, and the valve group integrated control module directly drives each electromagnetic valve.
The technical effect of the utility model is that, thereby gearbox control device can acquire driver's operational intention through the acquisition component fast and realize the purpose of control gearbox switching-over, the driver can independently accomplish PTO power take off's rotary control outside the driver's cabin, avoid needing many times operation just can accomplish the process of tractor switching-over, the operation is simplified by a wide margin, improve driver's operating efficiency, alleviate driver's intensity of labour, realize tractor load switching-over and high-low gear gearbox and mainly let the tractor in work can be advancing under the condition of not cutting off the load, back and high speed, carry out smooth-going transform between the low-speed gear position.
Drawings
Fig. 1 is an electrical schematic diagram of the control system of the present invention.
Fig. 2 is the hydraulic schematic diagram of the reversing valve set of the utility model.
Fig. 3 is a schematic view of the structure of the reversing handle of the present invention.
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
The first embodiment is as follows: the tractor load reversing and high-low gear gearbox control device comprises a TCU control module 1 serving as a signal processing device, a signal generating device and a hydraulic proportional valve group 3 used for acting a driving device, wherein the signal generating device comprises a power reversing handle 2, a clutch pedal position sensor 4, a clutch pedal separating switch 5, a PTO button 6 and a PTO tail button 7, the control device acquires the operation intention of a manipulator through each acquisition element, converts acquired information into electronic signals through a switch and a sensor and transmits the electronic signals to a TCU controller, and drives the hydraulic proportional valve group according to the operation intention of a driver to finally control a clutch of a gearbox so as to achieve the purpose of controlling the reversing of the gearbox, the TCU control module 1 serves as a coordination module of the whole control device, acquires signals of each handle, the switch and the sensor and drives a corresponding electromagnetic valve to output according to the intention of the operator, the power reversing and PTO control are realized, and the device is used as a coordination control device for signal acquisition, signal processing and driving signal output and is used as a programmable logic controller for running an application program according to the requirements of users; three switches for respectively controlling forward, neutral and backward movement are arranged in the power reversing handle 2 for a driver to operate, the driver selects the driving direction of the vehicle through the switches and transmits direction request information of the driver to the TCU, and when the neutral position changes to the forward or backward direction, misoperation prevention measures are arranged on a mechanical structure, and a handle needs to be lifted up firstly; the clutch pedal position sensor 4 detects the angle change of the clutch pedal through an angle sensor, predicts the operation intention of a driver and is used for micro-motion control of hitching agricultural implements or parking and warehousing and the like; the clutch pedal release switch 5 acts when the clutch pedal is treaded down by about 5 percent, outputs a switching value signal, performs redundant judgment on a clutch position sensor signal, and avoids damage to the clutch when the position sensor is abnormal; the PTO tail button is used as an operating device for controlling the power output operation of the rear end of the tractor by a driver to control whether the tractor operates, the PTO button TCU is pulled up to control the power output operation of the rear end, when the PTO button is operated from the stop to the operation direction, a misoperation prevention measure is provided on a mechanical structure, the PTO button TCU is knocked down to control the power output of the rear end to stop, and when the PTO button is knocked down, a mechanical locking mechanism is not provided and is used for rapidly stopping an output device; the PTO tail button is an auxiliary button for a driver to independently finish the hanging of the machine tool outside a cab, and the PTO is controlled to rotate by clicking the button, so that the driver can conveniently independently finish the hanging of the machine tool; the hydraulic proportional valve group 3 is provided with two paths of proportional pressure reducing valves, the forward clutch and the backward clutch are respectively controlled, a switch valve controls a PTO clutch, the valve group is provided with two-stage overflow, oil can be used for clutch lubrication after the first-stage overflow, the hydraulic proportional valve group 3 is provided with an energy accumulator device and is used for driving a hydraulic valve to act under the emergency condition, and the valve group integrated control module directly drives each electromagnetic valve.
The technical effect of the utility model is that, thereby gearbox control device can obtain the purpose that the tractor operation intention was realized controlling the gearbox switching-over through the acquisition component fast, the switching-over control that the simple reversing handle of tractor accessible was stirred the operation and is realized advancing/backspacing under the condition of tractor not cutting off load, avoid needing repetitious operation just can accomplish the process that the tractor commutates, the operation is simplified by a wide margin, improve driver's operating efficiency, alleviate driver's intensity of labour, realize tractor load switching-over and high-low gear gearbox and mainly be realized letting the tractor in work can advance under the condition of not cutting off load, back and high-speed, carry out smooth-going transform between the low-speed gear position.
The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.
Claims (2)
1. The tractor load reversing and high-low gear gearbox control device is characterized by comprising a TCU control module (1) serving as a signal processing device, a signal generating device and a hydraulic proportional valve bank (3) used for acting a driving device, wherein the signal generating device comprises a power reversing handle (2), a clutch pedal position sensor (4), a clutch pedal separating switch (5), a PTO button (6) and a PTO tail button (7).
2. The tractor load reversing and high-low gear gearbox control device according to claim 1, characterized in that the TCU control module (1) collects signals of each handle, switch and sensor and drives the corresponding solenoid valve to output according to the intention of an operator, so as to realize power reversing and PTO control, and is used as a coordination control device for signal collection, signal processing and drive signal output and used as a programmable controller to run application programs according to the requirements of users;
three switches for respectively controlling forward, neutral and backward are arranged in the power reversing handle (2) and are operated by a driver;
the clutch pedal position sensor (4) detects the angle change of the clutch pedal through an angle sensor, predicts the operation intention of a driver and is used for micro-motion control of hitching agricultural implements or parking and warehousing and the like;
the PTO button is used as an operating device for controlling the power output operation of the rear end of the tractor by a driver;
the PTO tail button is used as an auxiliary button for controlling PTO power output, so that a driver can independently finish the hooking of a machine tool outside a driving cab;
the hydraulic proportional valve group (3) is provided with two paths of proportional pressure reducing valves, a forward clutch and a backward clutch are respectively controlled, a switch valve controls a PTO clutch, the valve group is provided with two-stage overflow, oil can be used for clutch lubrication after first-stage overflow, the hydraulic proportional valve group (3) is provided with an energy accumulator device, and is used for driving a hydraulic valve to act under an emergency condition, and the valve group integrated control module directly drives each electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777867.6U CN210461657U (en) | 2019-05-28 | 2019-05-28 | Tractor load reversing and high-low gear gearbox control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777867.6U CN210461657U (en) | 2019-05-28 | 2019-05-28 | Tractor load reversing and high-low gear gearbox control device |
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| Publication Number | Publication Date |
|---|---|
| CN210461657U true CN210461657U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920777867.6U Expired - Fee Related CN210461657U (en) | 2019-05-28 | 2019-05-28 | Tractor load reversing and high-low gear gearbox control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161045A (en) * | 2020-09-29 | 2021-01-01 | 江苏常发农业装备股份有限公司 | Tractor power shift electrical control system |
-
2019
- 2019-05-28 CN CN201920777867.6U patent/CN210461657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161045A (en) * | 2020-09-29 | 2021-01-01 | 江苏常发农业装备股份有限公司 | Tractor power shift electrical control system |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |