CN214729087U - Steering device of all-terrain agricultural machine - Google Patents
Steering device of all-terrain agricultural machine Download PDFInfo
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- CN214729087U CN214729087U CN202023315708.6U CN202023315708U CN214729087U CN 214729087 U CN214729087 U CN 214729087U CN 202023315708 U CN202023315708 U CN 202023315708U CN 214729087 U CN214729087 U CN 214729087U
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- steering engine
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- 230000007246 mechanism Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 3
- 238000012423 maintenance Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The utility model provides a steering gear of all-terrain agricultural machinery, including the drive wheel rotate and with the wheel with the drive bearing of core arrangement, the last fixed steering spindle that is provided with vertical arrangement of drive bearing, steering wheel drive steering spindle rotates. The structure of a steering knuckle arm, a tie rod, a steering pull rod and the like of the existing steering device is eliminated, and the output shaft of the rotating device is connected with a steering shaft to drive wheels to steer. Namely, the steering engine rotation angle is the rotation angle of the wheels on the ground.
Description
Technical Field
The utility model relates to an agricultural machine results technical field particularly, relates to a device that turns to of all-terrain agricultural machinery.
Background
With the development of unmanned farms, the application of unmanned technology to agricultural machinery is becoming more and more widespread. In agricultural machines, the steering system functions to control the direction of travel of the agricultural machine as intended by the driver. The existing steering system, whether a mechanical steering system or a power steering system, can realize steering only by means of a knuckle arm and a tie rod. The structure is complex, the response speed is slow, the manufacturing cost is high, and the maintenance is fussy
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that turns to of full topography agricultural machinery has cancelled current knuckle arm that turns to device, drag link, steering linkage isotructure.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a steering gear of all-terrain agricultural machinery, includes the drive wheel and rotates and with the drive bearing that the wheel arranged with the core, the steering spindle of vertical arrangement is fixed to be provided with on the drive bearing, steering engine drive steering spindle rotates.
The steering shaft arranged in a neutral mode rotates to drive the driving bearing to swing so as to realize the steering of the wheels, the structures of a steering knuckle arm, a tie rod, a steering pull rod and the like of the existing steering device are eliminated, and the output shaft of the rotating device is connected with the steering shaft to drive the wheels to steer. Namely, the steering engine rotation angle is the rotation angle of the wheels on the ground.
The steering engine is installed on the steering engine mounting panel, the horizontal shaft of steering engine mounting panel is articulated with the one end of upper arm, is provided with the jump ring groove that constitutes jump ring with the upper arm and is connected on the steering engine mounting panel, and the output shaft of steering engine is connected with the first steering shaft hole of drive bearing. The wheels can swing up and down when the damping mechanism is arranged.
And the second steering shaft hole of the steering engine mounting plate is rotationally connected with the upper steering shaft of the driving bearing.
The lower steering shaft of drive bearing inserts the dead eye that turns to the bearing, turns to the bearing and articulates with the one end of underarm, and its articulated shaft direction is on a parallel with the length direction of car, and the lower extreme of lower steering shaft is provided with the axial fixity key, sets up the hole that supplies the screw to pass on the axial fixity key, and the lower extreme of lower steering shaft corresponds the hole and is provided with the screw hole. The wheels can swing up and down when the damping mechanism is arranged.
The upper surface of the axial fixing key is provided with a positioning boss which forms circumferential positioning fit with the concave surface of the lower steering shaft. The positioning boss is prevented from rotating due to vibration so as to drive the screw to rotate and fall off.
The upper surface of the axial fixing key is attached to the step surface of the steering bearing, and the upper surface of the steering bearing is attached to the bottom surface of the lower axial boss of the driving bearing. So that the three can constitute axial positioning.
The steering engine mounting plate is formed by two half-bodies in a surrounding mode, bolt holes used for being in threaded connection with each other are formed in the half-bodies, and screw holes used for being connected with a steering engine are further formed in the steering engine mounting plate. The steering wheel mounting panel of being convenient for install also be convenient for later stage maintenance and maintenance simultaneously, only need demolish the steering wheel mounting panel when the steering wheel mounting panel damages and need not demolish other structures.
The axial fixing surface and the bottom surface of the steering engine mounting plate are respectively attached to the boss surface of the driving bearing and the bottom surface of the upper axial boss to form axial fixing. And the steering bearing is axially fixed with the lower steering shaft of the driving bearing.
The advantage of above-mentioned scheme lies in: the steering device has the advantages of simple structure, high response speed, low manufacturing cost and simple maintenance, and can be flexibly configured according to actual needs to realize two-wheel steering or four-wheel steering.
Drawings
FIG. 1 is an exploded view and an overall structural view of the present invention;
FIG. 2 is an exploded view of the steering engine mounting plate of the present invention;
FIG. 3 is an isometric view of a drive bearing of the present invention;
FIG. 4 is a basic view of the steering bearing of the present invention;
FIG. 5 is an isometric view of an axially fixed key of the present invention;
FIG. 6 is a schematic diagram of the four wheel steering mode of the present invention;
FIG. 7 is a schematic diagram of the high speed doubling mode of the present invention;
FIG. 8 is a schematic view of the pivot steering mode of the present invention.
In the figure: an upper arm 1; a steering engine 2; a steering engine mounting plate 3; a drive bearing 4; a steering bearing 5; an axial fixing key 6; a lower arm 7; screw holes 31; an axial fixing surface 32; a horizontal axis 33; a clamp spring groove 34; the second steering shaft hole 35; bolt holes 36; a bottom surface 37; the first steering shaft hole 41; an upper rotating shaft 42; upper axial boss bottom surface 43; a bearing hole 44; a boss face 45; a lower axial boss bottom surface 46; a lower steering shaft 47; a threaded hole 48; a lower steering shaft concave surface 49; a step surface 51; a hinge shaft 52; a clamp spring groove 53; an upper surface 54; a bearing hole 55; a positioning boss 61; an upper surface 62; and a hole 63.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring now to figures 1-8 of the drawings,
the utility model provides a steering gear of all-terrain agricultural machinery, includes that drive wheel rotates and with the wheel drive bearing 4 of arranging with the core, the fixed steering spindle that is provided with vertical arrangement on drive bearing 4, steering wheel 2 drive steering spindle rotates.
The steering shaft arranged in a neutral mode rotates to drive the driving bearing 4 to swing so as to realize the steering of the wheels, the structures of a steering knuckle arm, a tie rod, a steering pull rod and the like of the existing steering device are eliminated, and the output shaft of the rotating device is connected with the steering shaft to drive the wheels to steer. Namely, the steering engine rotation angle is the rotation angle of the wheels on the ground. The steering device has the advantages of simple structure, high response speed, low manufacturing cost and simple maintenance, and can be flexibly configured according to actual needs to realize two-wheel steering or four-wheel steering.
The steering engine 2 is installed on the steering engine mounting plate 3, a horizontal shaft 33 of the steering engine mounting plate 3 is hinged to one end of the upper arm 1, a clamp spring groove 34 connected with the upper arm 1 in a clamp spring mode is formed in the steering engine mounting plate 3, and an output shaft of the steering engine 2 is connected with a first steering shaft hole 41 of the driving bearing. The wheels can swing up and down when the damping mechanism is arranged.
The second steering shaft hole 35 of the steering engine mounting plate 3 is rotatably connected with the upper steering shaft 42 of the driving bearing 4.
The lower steering shaft 47 of the driving bearing 4 is inserted into a bearing hole 55 of the steering bearing 5, the steering bearing 5 is hinged with one end of the lower arm 7, the direction of a hinge shaft 52 of the lower steering shaft is parallel to the vehicle length direction, an axial fixing key 6 is arranged at the lower end of the lower steering shaft 47, a hole 63 for a screw to pass through is formed in the axial fixing key 6, and a threaded hole 48 is formed in the lower end of the lower steering shaft 47 corresponding to the hole 63. The wheels can swing up and down when the damping mechanism is arranged.
The upper surface of the axial fixing key 6 is provided with a positioning boss 61 which forms circumferential positioning fit with the concave surface 49 of the lower steering shaft 47. The positioning boss 61 is prevented from rotating due to vibration so as to drive the screw to rotate and fall off.
The upper surface 62 of the axial fixing key 6 abuts against the step surface 51 of the steering bearing 5, and the upper surface 54 of the steering bearing 5 abuts against the lower axial boss bottom surface 46 of the drive bearing 4. So that the three can constitute axial positioning.
The steering engine mounting plate 3 is formed by two half-bodies in a surrounding mode, bolt holes 36 used for being in threaded connection with each other are formed in the half-bodies, and the steering engine mounting plate 3 is further provided with screw holes 31 used for being connected with the steering engine 2. Be convenient for install steering wheel mounting panel 3, also be convenient for later stage maintenance and maintenance simultaneously, only need demolish steering wheel mounting panel 3 when steering wheel mounting panel 3 damages and need not to demolish other structures.
The axial fixing surface 32 and the bottom surface 37 of the steering engine mounting plate 3 are respectively attached to the boss surface 45 and the upper axial boss bottom surface 43 of the driving bearing to form axial fixing. The steering bearing 5 is axially fixed to the lower steering shaft 47 of the drive bearing.
The control steps in the unmanned mode are as follows:
A. when the ECU selects a four-wheel steering mode according to a driving route, the two steering engines of the front wheels are controlled to rotate arctan (L/d), the two steering engines of the rear wheels rotate arctan (L/d), but the two steering engines of the rear wheels and the two steering engines of the front wheels are opposite in steering, L represents an automobile wheelbase, d represents a wheelbase, and four-wheel steering is completed.
B. When the ECU selects a high-speed doubling mode according to a driving route, the two steering engines of the front wheels are controlled to rotate arctan (L/d), the two steering engines of the rear wheels and the two steering engines of the front wheels are steered the same at the moment, and high-speed doubling is completed.
C. When the ECU selects an in-situ steering mode according to a driving route, the two steering engines of the front left wheel and the right rear wheel are controlled to rotate arctan (L/d), the two steering engines of the front right wheel and the right rear wheel rotate arctan (L/d), and at the moment, the two steering engines of the front left wheel and the right rear wheel and the two steering engines of the front right wheel and the left rear wheel are opposite in steering, so that in-situ steering is completed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The utility model provides a device that turns to of all-terrain agricultural machinery, characterized by: the steering mechanism comprises a driving bearing (4) which drives wheels to rotate and is arranged in the same core with the wheels, a vertical steering shaft is fixedly arranged on the driving bearing (4), and a steering engine (2) drives the steering shaft to rotate.
2. The steering device of the all-terrain agricultural machine as claimed in claim 1, wherein: the steering engine is characterized in that the steering engine (2) is installed on the steering engine installation plate (3), a horizontal shaft (33) of the steering engine installation plate (3) is hinged to one end of an upper arm (1), a clamp spring groove (34) connected with the upper arm (1) in a clamp spring forming mode is arranged on the steering engine installation plate (3), and an output shaft of the steering engine (2) is connected with a first steering shaft hole (41) of the driving bearing.
3. The steering device of the all-terrain agricultural machine as claimed in claim 2, wherein: and a second steering shaft hole (35) of the steering engine mounting plate (3) is rotationally connected with an upper steering shaft (42) of the driving bearing (4).
4. The steering device of the all-terrain agricultural machine as claimed in claim 1, wherein: lower steering shaft (47) of drive bearing (4) inserts bearing hole (55) that turns to bearing (5), turns to bearing (5) and is articulated with the one end of lower arm (7), and its articulated shaft (52) direction is on a parallel with the length direction of a vehicle, and the lower extreme of lower steering shaft (47) is provided with axial fixity key (6), offers hole (63) that supply the screw to pass on axial fixity key (6), and the lower extreme of lower steering shaft (47) corresponds hole (63) and is provided with screw hole (48).
5. The steering device of the all-terrain agricultural machine as claimed in claim 4, wherein: the upper surface of the axial fixing key (6) is provided with a positioning boss (61) which forms circumferential positioning fit with a concave surface (49) of the lower steering shaft (47).
6. The steering device of the all-terrain agricultural machine as claimed in claim 5, wherein: the upper surface (62) of the axial fixing key (6) is attached to the step surface (51) of the steering bearing (5), and the upper surface (54) of the steering bearing (5) is attached to the lower axial boss bottom surface (46) of the driving bearing (4).
7. The steering device of the all-terrain agricultural machine as claimed in claim 2, wherein: the steering engine mounting plate (3) is formed by two half-bodies in a surrounding mode, bolt holes (36) used for being in threaded connection with each other are formed in the half-bodies, and screw holes (31) used for being connected with the steering engine (2) are further formed in the steering engine mounting plate (3).
8. The steering device of the all-terrain agricultural machine as claimed in claim 7, wherein: the steering engine mounting plate is characterized in that an axial fixing surface (32) and a bottom surface (37) of the steering engine mounting plate (3) are respectively attached to a boss surface (45) and an upper axial boss bottom surface (43) of the driving bearing to form axial fixing, and a steering bearing (5) and a lower steering shaft (47) of the driving bearing are axially fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023315708.6U CN214729087U (en) | 2020-12-31 | 2020-12-31 | Steering device of all-terrain agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023315708.6U CN214729087U (en) | 2020-12-31 | 2020-12-31 | Steering device of all-terrain agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214729087U true CN214729087U (en) | 2021-11-16 |
Family
ID=78636606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023315708.6U Expired - Fee Related CN214729087U (en) | 2020-12-31 | 2020-12-31 | Steering device of all-terrain agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214729087U (en) |
-
2020
- 2020-12-31 CN CN202023315708.6U patent/CN214729087U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |