CN214396938U - Electric steering driving mechanism of standing type tractor - Google Patents
Electric steering driving mechanism of standing type tractor Download PDFInfo
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- CN214396938U CN214396938U CN202120241767.9U CN202120241767U CN214396938U CN 214396938 U CN214396938 U CN 214396938U CN 202120241767 U CN202120241767 U CN 202120241767U CN 214396938 U CN214396938 U CN 214396938U
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- steering gear
- connecting frame
- upper shell
- induction pin
- pin
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Abstract
The utility model belongs to the technical field of vehicle driving system, concretely relates to electric steering drive mechanism of station tractor. The device comprises a connecting frame, a steering gear and a reduction gearbox, wherein the lower end of the connecting frame is connected with a motor through an input gear; the upper end of the reduction gearbox is an upper shell, the upper part of the upper shell is of a cylindrical sleeve structure, the connecting frame is arranged on the inner side of the upper shell through a first tapered roller bearing and a second tapered roller bearing, a steering gear is fixedly sleeved on the outer side of the upper shell, and the steering gear is axially fixed through a positioning pin; a photoelectric switch is installed on the connecting frame through a photoelectric switch bushing, a sensing pin installing hole is formed in the steering gear corresponding to the photoelectric switch, and a T-shaped sensing pin is inserted in the sensing pin installing hole in a matched mode. Therefore the utility model discloses an electric steering drive mechanism, T shape response round pin self dimensional control is easy simultaneously, the inspection is convenient, the steady quality, can not increase the complexity of parts machining and equipment, has guaranteed better economic nature and practicality, promotes product quality.
Description
Technical Field
The utility model belongs to the technical field of vehicle driving system, concretely relates to electric steering drive mechanism of station tractor.
Background
The electric steering driving mechanism of the standing type tractor mainly comprises a motor, a connecting frame, a steering gear, an induction pin, a reduction gearbox and the like,
the connecting frame is used for realizing the connection between the motor and the frame, and is supported on the upper shell of the reduction gearbox through two tapered roller bearings, so that the connecting frame can rotate relative to the reduction gearbox and is axially fixed relative to the reduction gearbox through a bolt limiting structure on the end surface;
the steering gear is arranged on the upper shell of the reduction gearbox through a positioning pin and a bolt and rotates synchronously with the reduction gearbox;
simultaneously be equipped with columniform response round pin on steering gear to be equipped with photoelectric switch on the corresponding position of link, photoelectric switch acquires the signal, effectively realizes the steering demand of vehicle fast to the response round pin when the vehicle operation.
In the prior art, because the sensing distance of the photoelectric switch is limited, the sensing can be effectively sensed only by protruding the upper part of the sensing pin by about 3mm from the upper end surface of the steering gear, therefore, a sensing pin limiting surface is arranged at the corresponding position of the upper shell of the reduction gearbox, the sensing pin is knocked in place during assembly, the lower end of the sensing pin is attached to the sensing pin limiting surface, and the distance of the upper part of the sensing pin protruding from the upper end surface of the steering gear is ensured,
however, the above structure mainly has the following disadvantages:
(1) the requirement of 3mm is difficult to meet due to the processing error of the pin body and the assembly accumulated error of the driving unit, the assembly process of the sensing pin needs to be measured, the protruding length is adjusted, time and labor are wasted, and the production efficiency is low; potential safety hazards exist;
(2) the upper shell of the reduction gearbox is provided with an induction pin limiting surface which needs to be machined, so that the machining procedures are increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric steering drive mechanism of standing tractor to solve the problem of proposing among the above-mentioned background art, complexity, the cost that do not increase relevant piece are lower, and interchangeability is higher.
The specific technical scheme is as follows: an electric steering driving mechanism of a standing tractor comprises a connecting frame 1, a steering gear 3 and a reduction gearbox, wherein the lower end of the connecting frame 1 is connected with a motor through an input gear 9;
the upper end of the reduction gearbox is provided with an upper shell 5, the upper part of the upper shell 5 is of a cylindrical sleeve structure, the connecting frame 1 is installed on the inner side of the upper shell 5 through a first tapered roller bearing 6 and a second tapered roller bearing 7, a steering gear 3 is fixedly sleeved on the outer side of the upper shell 5, and the steering gear 3 is axially fixed through a positioning pin 8;
the connecting frame 1 is provided with a photoelectric switch 2 through a photoelectric switch bush,
an induction pin mounting hole is formed in the steering gear 3 corresponding to the photoelectric switch 2, and a T-shaped induction pin 4 is inserted in the induction pin mounting hole in a matched mode.
Further, the lower end face of the horizontal portion of the T-shaped induction pin 4 is an induction pin limiting face and is attached to the upper end face of the steering gear 3, and the vertical portion of the T-shaped induction pin 4 is in transition fit with the induction pin mounting hole.
Further, the lower end of the vertical part of the T-shaped induction pin 4 is provided with a guide angle.
The utility model has the advantages of as follows:
the electric steering driving mechanism of the utility model comprises a T-shaped induction pin, the lower end face of the horizontal part of the T-shaped induction pin is a limit face of the induction pin and is jointed with the upper end face of the steering gear, the vertical part of the T-shaped induction pin is in transition fit with the installation hole of the induction pin, and the limit face of the induction pin does not need to be processed on the upper shell, thereby reducing the cost and the working procedures; meanwhile, the size of the T-shaped induction pin is easy to control, the inspection is convenient, and the quality is stable; the installation is simple, convenient operation, can not increase the complexity of parts machining and equipment, has guaranteed better economic nature and practicality, promotes product quality.
Drawings
Fig. 1 is a schematic structural view of the electric steering driving mechanism of the present invention.
Fig. 2 is a schematic structural diagram of an electric steering driving mechanism in the prior art.
Fig. 3 is a schematic structural diagram of an upper housing in the prior art.
Wherein: the device comprises a connecting frame 1, a photoelectric switch 2, a steering gear 3, a 4T-shaped induction pin, an upper shell 5, a limiting surface of a 51 induction pin, a first tapered roller bearing 6, a second tapered roller bearing 7, a positioning pin 8, an input gear 9 and an induction pin 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Examples
Referring to fig. 1, an electric steering driving mechanism of a standing tractor comprises a connecting frame 1, a steering gear 3 and a reduction gearbox, wherein the lower end of the connecting frame 1 is connected with a motor through an input gear 9;
the upper end of the reduction gearbox is provided with an upper shell 5, the upper part of the upper shell 5 is of a cylindrical sleeve structure, the connecting frame 1 is installed on the inner side of the upper shell 5 through a first tapered roller bearing 6 and a second tapered roller bearing 7, a steering gear 3 is fixedly sleeved on the outer side of the upper shell 5, and the steering gear 3 is axially fixed through a positioning pin 8;
the connecting frame 1 is provided with a photoelectric switch 2 through a photoelectric switch bush,
an induction pin mounting hole is formed in the steering gear 3 corresponding to the photoelectric switch 2, and a T-shaped induction pin 4 is inserted in the induction pin mounting hole in a matched mode.
The lower end face of the horizontal part of the T-shaped induction pin 4 is an induction pin limiting face and is attached to the upper end face of the steering gear 3, and the vertical part of the T-shaped induction pin 4 is in transition fit with the induction pin mounting hole.
And a guide angle is arranged at the lower end of the vertical part of the T-shaped induction pin 4.
As shown in fig. 2 to 3, for an electric steering driving mechanism in the prior art, an induction pin 10 is cylindrical, an induction pin limiting surface 51 of the induction pin 10 is arranged at a corresponding position of an upper shell 5 of a reduction gearbox, the induction pin 10 is knocked in place during assembly, so that the lower end of the induction pin 10 is attached to the induction pin limiting surface 51 to ensure the distance of the induction pin 10 protruding out of the upper end surface of a steering gear 3, but the induction distance of a photoelectric switch is limited, and effective induction can be realized only when the induction pin 10 protrudes out of the upper end surface of the steering gear 3 by about 3mm, so that the length distance of the induction pin 10 protruding out of the upper end surface of the steering gear 3 needs to be measured, and potential quality hazards exist; meanwhile, the installation of the induction pin 10 needs to be adjusted, which wastes time and labor and has low production efficiency; the upper shell 5 is provided with the induction pin limiting surface 51 and needs to be subjected to metal processing, so that the processing procedures are increased, and the cost is increased;
therefore, the electric steering driving mechanism of the utility model does not need to process the limit surface 51 of the induction pin on the upper shell 5, thereby reducing the cost and the working procedures; meanwhile, the size of the T-shaped induction pin 4 is easy to control, the inspection is convenient, and the quality is stable; the installation is simple, convenient operation, can not increase the complexity of parts machining and equipment, has guaranteed better economic nature and practicality, promotes product quality.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. An electric steering driving mechanism of a standing tractor comprises a connecting frame (1), a steering gear (3) and a reduction gearbox, wherein the lower end of the connecting frame (1) is connected with a motor through an input gear (9);
the upper end of the reduction gearbox is an upper shell (5), the upper part of the upper shell (5) is of a cylindrical sleeve structure, the connecting frame (1) is installed on the inner side of the upper shell (5) through a first tapered roller bearing (6) and a second tapered roller bearing (7), a steering gear (3) is fixedly sleeved on the outer side of the upper shell (5), and the steering gear (3) is axially positioned through a positioning pin (8);
the connecting frame (1) is provided with a photoelectric switch (2) through a photoelectric switch bush,
the method is characterized in that: the steering gear (3) is provided with an induction pin mounting hole corresponding to the photoelectric switch (2), and the induction pin mounting hole is provided with a T-shaped induction pin (4) in an inserting mode in a matching mode.
2. The electric steering drive mechanism of a station tractor according to claim 1, characterized in that: the lower end face of the horizontal part of the T-shaped induction pin (4) is an induction pin limiting face and is attached to the upper end face of the steering gear (3), and the vertical part of the T-shaped induction pin (4) is in transition fit with the induction pin mounting hole.
3. The electric steering drive mechanism of a station tractor according to claim 2, characterized in that: and a guide angle is formed at the lower end of the vertical part of the T-shaped induction pin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241767.9U CN214396938U (en) | 2021-01-28 | 2021-01-28 | Electric steering driving mechanism of standing type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241767.9U CN214396938U (en) | 2021-01-28 | 2021-01-28 | Electric steering driving mechanism of standing type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396938U true CN214396938U (en) | 2021-10-15 |
Family
ID=78048445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120241767.9U Active CN214396938U (en) | 2021-01-28 | 2021-01-28 | Electric steering driving mechanism of standing type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214396938U (en) |
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2021
- 2021-01-28 CN CN202120241767.9U patent/CN214396938U/en active Active
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