CN218625377U - Electric control device of gearbox with HST (high speed railway) - Google Patents
Electric control device of gearbox with HST (high speed railway) Download PDFInfo
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- CN218625377U CN218625377U CN202223109901.3U CN202223109901U CN218625377U CN 218625377 U CN218625377 U CN 218625377U CN 202223109901 U CN202223109901 U CN 202223109901U CN 218625377 U CN218625377 U CN 218625377U
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- hst
- driving motor
- gearbox
- angle feedback
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Abstract
The utility model relates to the technical field of agricultural machinery, a take electric control device of HST's gearbox is disclosed, including actuating mechanism and the vehicle control unit who is used for controlling actuating mechanism, actuating mechanism is including the HST driving motor who is used for controlling the HST output and the motor drive assembly who is used for driving the gearbox and realizes the angle feedback of the function of shifting, HST driving motor passes through HST driving motor mounting panel and connected to the frame, the motor drive assembly who takes the angle feedback is including the driving motor who takes the angle feedback, the driving motor who takes the angle feedback passes through the motor mounting panel of shifting and connected to the frame, HST driving motor and the driving motor who takes the angle feedback all are connected with the vehicle control unit electricity, come to control HST driving motor and the driving motor who takes the angle feedback through the vehicle control unit and come respectively in order to realize the output of electronic control HST and the shifting of gearbox, and whole process need not the manual operation, and degree of automation is high, and control accuracy is high.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to take electric control device of HST's gearbox.
Background
The HST (hydrostatic transmission) is an integral hydraulic stepless speed change device which integrates a bidirectional variable pump, a fixed displacement motor, an oil supplementing pump and a control valve. The flow rate and the flow direction of the variable pump are controlled by operating the handle, so that the rotating speed and the steering direction of the motor are changed, and energy is transmitted between the engine and the travelling mechanism in a continuous rotating mode. Has wide application in the agricultural machinery industry.
At present, most of agricultural machinery gearboxes are generally operated manually, and HST control and gearbox gear shifting are realized by operating mechanical transmission. When the agricultural machine realizes automatic driving transformation, electric control needs to be realized on the control of the HST and the gear shifting of the gearbox so as to realize electric control.
Therefore, it is necessary to design an electric control device for a transmission with an HST to achieve control of the HST and shifting of the transmission.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take electric control device of HST's gearbox controls HST driving motor and takes the driving motor of angle feedback to come respectively in order to realize the output of electronic control HST and shifting of gearbox through vehicle control unit, and whole process need not manual operation, and degree of automation is high, and control accuracy is high.
The above technical object of the present invention can be achieved by the following technical solutions:
the utility model provides a take electric control device of HST's gearbox, includes actuating mechanism and the vehicle control unit who is used for controlling actuating mechanism, actuating mechanism is including the HST driving motor who is used for controlling the HST output and the motor drive assembly who is used for driving the gearbox and realizes the angle feedback of taking of the function of shifting, HST driving motor passes through HST driving motor mounting panel and connected to frame, the motor drive assembly who takes the angle feedback is including the driving motor who takes the angle feedback, the driving motor who takes the angle feedback passes through shift motor mounting panel and connected to frame, HST driving motor and the driving motor who takes the angle feedback all are connected with the vehicle control unit electricity.
By adopting the technical scheme, the vehicle control unit is used for controlling the HST driving motor and the driving motor with angle feedback to respectively control the output of the HST and the gear shifting of the gearbox in an electric mode, the whole process does not need manual operation, the automation degree is high, and the control precision is high.
The utility model discloses a further set up to: be equipped with the gear on HST driving motor's the output shaft, the gear meshes with the tooth portion of pinion rack, the middle part and the HST driving motor mounting panel of pinion rack rotate to be connected, the tip of pinion rack rotates with the one end of connecting rod to be connected, the other end of connecting rod rotates with the upper end of HST sloping cam plate operation panel to be connected.
Through adopting above-mentioned technical scheme, HST driving motor's output shaft drives the gear rotation, and the point that drives the pinion rack and rotate the connection around its and HST driving motor mounting panel during the gear rotation rotates, rotates through connecting rod drive HST sloping cam plate operation panel when the pinion rack rotates, realizes the sloping cam plate change inside the HST when HST sloping cam plate operation panel rotates for thereby the oil pressure change in the HST drives the gearbox action.
The utility model discloses a further set up to: still including being used for carrying out the angle sensor who feeds back to HST driving motor rotation angle, angle sensor fixes on the frame, angle sensor's pivot and the one end fixed connection of dwang, the other end of dwang is equipped with the slot hole that runs through, the dwang passes through the fixed pin cooperation on slot hole and the pinion rack.
Through adopting above-mentioned technical scheme, the pinion rack drives the dwang synchronous rotation rather than fixed connection when rotating, it is rotatory that the dwang drives angle sensor's pivot when rotating, angle sensor obtains pinion rack turned angle information numerical value according to pivot turned angle information, thereby obtain HST driving motor's turned angle information, and convert the turned angle information into the signal of telecommunication and send for vehicle controller, the turned angle feedback of HST driving motor has been realized, vehicle controller adjusts HST driving motor's turned angle according to HST driving motor's turned angle feedback issue instruction, thereby realize the closed-loop control of HST output, control is reliable and stable, the precision height is effectual.
The utility model discloses a further set up to: the driving motor with the angle feedback is connected with a gear lever of the gearbox.
Through adopting above-mentioned technical scheme, the gear level pole that takes the driving motor during operation drive gearbox of angle feedback drove the gear train in the gearbox and changes, thereby realize the function of shifting, moreover, the steam generator is simple in structure, high durability and convenient operation, in addition, the driving motor of taking the angle feedback can also feed back its turned angle information to vehicle control unit in real time at the in-process of work, vehicle control unit sends out the instruction according to the turned angle feedback of the driving motor of taking the angle feedback and adjusts the rotation angle of the driving motor of taking the angle feedback, thereby realize the closed-loop control of the operation of shifting, control is stable and reliable, high precision is effectual.
The beneficial effects of the utility model are that:
1. the utility model discloses a vehicle control unit controls HST driving motor and takes the driving motor of angle feedback to come respectively in order to realize the output of electronic control HST and the shifting of gearbox, and whole process need not manual operation, and degree of automation is high, and control accuracy is high.
2. The utility model discloses drive rather than fixed connection's dwang synchronous rotation when well pinion rack rotates, it is rotatory to drive angle sensor's pivot when the dwang rotates, angle sensor obtains pinion rack turned angle information numerical value according to pivot turned angle information, thereby obtain HST driving motor's turned angle information, and convert the turned angle information into electric signal transmission and give vehicle controller, HST driving motor's turned angle feedback has been realized, vehicle controller adjusts HST driving motor's rotation angle according to HST driving motor's turned angle feedback send instruction, thereby HST's realization closed-loop control, and the control is stable and reliable, the high effectual precision.
3. The utility model discloses the gear train that the drive motor during operation drive gearbox of area angle feedback's gear lever in drives the gearbox changes, thereby realize the function of shifting, moreover, the steam generator is simple in structure, high durability and convenient operation, in addition, the drive motor of area angle feedback can also feed back its turned angle information to vehicle control unit in real time at the in-process of work, vehicle control ware comes the adjustment to take the rotation angle of the drive motor of angle feedback according to the turned angle feedback send instruction of the drive motor of area angle feedback, thereby realize the closed-loop control of the operation of shifting, control is reliable and stable, high accuracy is effectual.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric control device of a transmission with an HST according to the present invention.
Fig. 2 is a schematic view of a connection structure between an angle sensor and a toothed plate in the electric control device of the transmission with the HST of the present invention.
In the figure, 1, HST; 2. an HST drive motor; 3. a gearbox; 4. an HST drive motor mounting plate; 5. a drive motor with angular feedback; 6. a gear shifting motor mounting plate; 7. a gear; 8. a toothed plate; 9. a connecting rod; 10. an HST swash plate operating plate; 11. an angle sensor; 12. rotating the rod; 13. a long hole; 14. and fixing the pin.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an electric control device of a transmission with HST comprises a driving mechanism and a vehicle control unit for controlling the driving mechanism, wherein the driving mechanism comprises an HST driving motor 2 for controlling the output of the HST1 and a motor transmission assembly with angle feedback for driving the transmission 3 to realize the gear shifting function, the HST driving motor 2 is connected with a vehicle frame through an HST driving motor mounting plate 4, the motor transmission assembly with angle feedback comprises a driving motor 5 with angle feedback, the driving motor 5 with angle feedback is connected with the vehicle frame through a gear shifting motor mounting plate 6, and the HST driving motor 2 and the driving motor 5 with angle feedback are both electrically connected with the vehicle control unit.
Further, be equipped with gear 7 on the output shaft of HST driving motor 2, gear 7 and the meshing of the tooth portion of pinion rack 8, the middle part and the HST driving motor mounting panel 4 of pinion rack 8 rotate to be connected, the tip of pinion rack 8 rotates with the one end of connecting rod 9 to be connected, the other end of connecting rod 9 rotates with the upper end of HST sloping cam plate operation panel 10 to be connected.
Further, still including being used for carrying out the angle sensor 11 of feeding back to the 2 rotation angles of HST driving motor, angle sensor 11 is fixed on the frame, angle sensor 11's pivot and the one end fixed connection of dwang 12, the other end of dwang 12 is equipped with the slot hole 13 that runs through, dwang 12 passes through slot hole 13 and the 14 cooperations of fixed pin on the pinion rack 8.
Further, the driving motor 5 with angle feedback is connected with the gear lever of the gearbox 3, and the driving motor 5 with angle feedback is connected with the gear lever of the gearbox 3.
The utility model discloses a theory of operation:
the utility model discloses a vehicle control unit controls HST driving motor 2 and takes the driving motor of angle feedback to come the output and the shifting of gearbox in order to realize motorized control HST1 respectively.
1. Output of the motoring control HST 1: the whole vehicle controller controls the HST driving motor 2 to start, the output shaft of the HST driving motor 2 drives the gear 7 to rotate, the gear 7 drives the toothed plate 8 to rotate around a point which is rotationally connected with the HST driving motor mounting plate 4 when rotating, the toothed plate 8 drives the HST swash plate operating plate 10 to rotate through the connecting rod 9 when rotating, swash plate change inside the HST1 is realized when the HST swash plate operating plate 10 rotates, oil pressure in the HST1 changes, so that the gearbox 3 is driven to move, wherein the toothed plate 8 drives the rotating rod which is fixedly connected with the toothed plate to synchronously rotate when rotating, the rotating shaft of the angle sensor is driven to rotate when rotating the rotating rod, the angle sensor obtains the rotating angle information value of the toothed plate 8 according to the rotating angle information of the rotating shaft, so that the rotating angle information of the HST driving motor 2 is obtained, the rotating angle information is converted into an electric signal to be sent to the vehicle controller, rotating angle feedback of the HST driving motor 2 is realized, and the vehicle controller sends an instruction to adjust the rotating angle feedback of the HST driving motor 2, thereby realizing closed-loop control of the HST, the control is stable and reliable, and the high-precision effect is good.
2. Electrically controlling gear shifting of a gearbox: the driving motor 5 with the angle feedback of the whole vehicle is started, the gear lever of the gear box 3 is driven by the gear lever of the driving motor 5 with the angle feedback to drive the gear 7 group in the gear box 3 to change when the driving motor 5 works, so that the gear shifting function is realized, the structure is simple, the operation is convenient, wherein, the driving motor 5 with the angle feedback can also feed back the rotation angle information of the driving motor 5 to the whole vehicle controller in real time in the working process, the vehicle controller sends an instruction to adjust the rotation angle of the driving motor 5 with the angle feedback according to the rotation angle feedback of the driving motor 5 with the angle feedback, so that the closed-loop control of the gear shifting operation is realized, the control is stable and reliable, the precision is high, and the effect is good.
Claims (4)
1. An electric control device of gearbox with HST, its characterized in that: vehicle control unit including actuating mechanism and being used for controlling actuating mechanism, actuating mechanism is including HST driving motor (2) that are used for controlling HST (1) output and the motor drive assembly who is used for driving gearbox (3) and realizes the area angle feedback of the function of shifting gears, HST driving motor (2) are through HST driving motor mounting panel (4) and connected to the frame, the motor drive assembly who takes the angle feedback is including driving motor (5) of taking the angle feedback, driving motor (5) of taking the angle feedback are through shift motor mounting panel (6) and connected to the frame, HST driving motor (2) and driving motor (5) of taking the angle feedback all are connected with vehicle control unit electricity.
2. The electric control device of a transmission with an HST according to claim 1, characterized in that: be equipped with gear (7) on the output shaft of HST driving motor (2), gear (7) and the tooth portion meshing of pinion rack (8), the middle part and HST driving motor mounting panel (4) of pinion rack (8) rotate to be connected, the tip of pinion rack (8) rotates with the one end of connecting rod (9) to be connected, the other end of connecting rod (9) rotates with the upper end of HST sloping cam plate operation panel (10) to be connected.
3. The electric control device of a transmission with an HST according to claim 2, characterized in that: still including angle sensor (11) that are used for carrying out the feedback to HST driving motor (2) rotation angle, angle sensor (11) are fixed on the frame, the pivot of angle sensor (11) and the one end fixed connection of dwang (12), the other end of dwang (12) is equipped with slot hole (13) that run through, dwang (12) are through fixed pin (14) cooperation on slot hole (13) and pinion rack (8).
4. The electric control device of the gearbox with HST as claimed in claim 3, characterized in that: and the driving motor (5) with angle feedback is connected with a gear lever of the gearbox (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109901.3U CN218625377U (en) | 2022-11-23 | 2022-11-23 | Electric control device of gearbox with HST (high speed railway) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109901.3U CN218625377U (en) | 2022-11-23 | 2022-11-23 | Electric control device of gearbox with HST (high speed railway) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625377U true CN218625377U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223109901.3U Active CN218625377U (en) | 2022-11-23 | 2022-11-23 | Electric control device of gearbox with HST (high speed railway) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625377U (en) |
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2022
- 2022-11-23 CN CN202223109901.3U patent/CN218625377U/en active Active
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