CN210338039U - Vehicle steering system - Google Patents
Vehicle steering system Download PDFInfo
- Publication number
- CN210338039U CN210338039U CN201921224300.2U CN201921224300U CN210338039U CN 210338039 U CN210338039 U CN 210338039U CN 201921224300 U CN201921224300 U CN 201921224300U CN 210338039 U CN210338039 U CN 210338039U
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- rotating
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- wheel leg
- wheel
- steering system
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- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Guiding Agricultural Machines (AREA)
- Agricultural Machines (AREA)
Abstract
The utility model provides a vehicle steering system, which comprises at least a pair of wheel leg mechanisms and a driving device, wherein the wheel leg mechanisms are connected with the longitudinal wheel legs at the front end of a connecting frame by a transverse connecting frame and a rotating way; the driving device comprises a first driving mechanism and a second driving mechanism; the rear end of each connecting frame is fixed with a rotating mechanism, the two rotating mechanisms are mutually linked and have opposite rotating directions, and one rotating mechanism is connected with a first driving mechanism; the rear end of each pair of connecting frames is provided with a rotating block, each pair of rotating blocks is connected through a connecting rod, one rotating block is connected with the second driving mechanism, each pair of rotating blocks is connected with the wheel leg through a steering arm, and two ends of the steering arm are respectively connected with the rotating blocks and the wheel leg in a rotating mode. The steering of the transverse bogie can adjust the track of two wheels to adapt to the terrain, and the steering of the longitudinal wheel legs can realize the steering of the vehicle.
Description
Technical Field
The utility model relates to an agricultural vehicle, concretely relates to vehicle steering system.
Background
The existing agricultural vehicle driving mode generally adopts fuel oil or electric power to drive wheels of a vehicle head to rotate, and the vehicle head drives the agricultural vehicle to move forward. However, the wheel drive method has certain disadvantages: the main disadvantages are that the climbing ability is poor, the vehicle is difficult to advance in hilly and mountainous areas or pothole roads, the volume and weight of the vehicle body are increased if large wheels are used, and the flexibility is poor.
There is therefore a way in which agricultural vehicles are towed using a caterpillar traction mechanism, but there are some requirements placed on the steering mechanism of agricultural vehicles. At present, the steering of the crawler traction mechanism is realized by respectively controlling the rotating speed or the steering of two tracks, but the mode has higher cost and is only suitable for a double-track type traction mechanism and not suitable for a single-track type traction mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle steering system, which comprises at least one pair of wheel leg mechanisms and a driving device, wherein the wheel leg mechanisms are connected with longitudinal wheel legs at the front end of a connecting frame through a transverse connecting frame and a rotating way;
the driving device comprises a base, and a first driving mechanism and a second driving mechanism are arranged on the base;
the rear end of each connecting frame is fixed with a rotating mechanism, the two rotating mechanisms of each pair of connecting frames are mutually linked and have opposite rotating directions, and the rotating mechanism of one connecting frame is connected with the first driving mechanism;
the rear end of each pair of connecting frames is provided with a rotating block, each pair of rotating blocks is connected through a connecting rod, two ends of each connecting rod are respectively connected with the pair of rotating blocks in a rotating mode, one of the rotating blocks in each pair is connected with the second driving mechanism, each pair of rotating blocks is respectively connected with a wheel leg through a steering arm, and two ends of each steering arm are respectively connected with the rotating blocks and the wheel leg in a rotating mode.
Further, the base is rotatably installed on the frame, and a handle is arranged on one side of the base.
Further, the first driving mechanism and the second driving mechanism are reduction boxes.
Furthermore, the connecting frame and the wheel legs form a 7-shaped wheel leg mechanism, and rolling wheels are arranged at the bottoms of the wheel legs.
Furthermore, a bogie used for being hinged with the other end of the steering arm is arranged on the wheel leg.
Further, the rotating mechanism is a gear, and two gears at the rear end of each pair of connecting frames are meshed.
The utility model discloses a first actuating mechanism comes the simultaneous drive to each pair of wheel leg mechanism and uses the base to carry out the rotation of opposite direction as the center, in addition, comes the simultaneous drive to each pair of wheel leg mechanism front end through second actuating mechanism and carries out the rotation of equidirectional, the utility model discloses a rotation that first actuating mechanism and second actuating mechanism that do not interfere with each other drive transverse connection frame respectively and the rotation of vertical wheel leg can adjust the interval of wheel leg to adapt to the field ridge of different widths, avoid the wheel leg width to lead to crushing field ridge inadequately. Simultaneously the utility model discloses a base rotates and installs on the frame, and we can carry out the whole rotation to the base, can make two wheel legs lie in the vehicle with one side even, through this operation, can realize striding ridge operation, improve agricultural vehicle's mobility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 inventive labor.
Fig. 1 is a perspective view of a vehicle steering system provided by the present invention;
FIG. 2 shows a partial schematic view of the rear end of the transverse link frame;
FIG. 3 is a perspective view of the turning block;
FIGS. 4-5 show a schematic view of the rotation of the wheel legs;
fig. 6-7 are schematic views of an agricultural vehicle to which the crawler traction structure of the present invention is applied.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
As shown in fig. 1 to 3, the present invention provides a vehicle steering system, which comprises at least a pair of wheel leg mechanisms 7 and a driving device, wherein the wheel leg mechanisms 7 are composed of a transverse connecting frame 7a and a longitudinal wheel leg 7b rotatably connected to the front end of the connecting frame 7 a;
the driving device comprises a base 4, and a first driving mechanism 3 and a second driving mechanism 8 are arranged on the base 4;
the rear end of each connecting frame 7a is fixed with a rotating mechanism 1, the two rotating mechanisms 1 of each pair of connecting frames 7a are mutually linked and have opposite rotating directions, and the rotating mechanism 1 of one connecting frame 7a is connected with the first driving mechanism 3;
the rear end of each pair of connecting frames 7a is provided with a rotating block 9, each pair of rotating blocks 9 are connected through a connecting rod 10, two ends of each connecting rod 10 are respectively connected with the pair of rotating blocks 9 in a rotating mode, one of the rotating blocks 9 in each pair is connected with the second driving mechanism 8, each pair of rotating blocks 9 are respectively connected with the wheel leg 7b through a steering arm 2, and two ends of each steering arm 2 are respectively connected with the rotating blocks 9 and the wheel leg 7b in a rotating mode.
Further, the base 4 is rotatably mounted on a frame of the agricultural vehicle, and a handle 40 is disposed on one side of the base 4. In practical applications, the position of the wheel legs can be adjusted by rotating the base 4. Figure 6 shows two wheel legs on each side of the agricultural vehicle, in this case the vehicle is operating with two wheel legs on each side of the ridge. During operation, a ditch is arranged on one side of the ridge, so that the wheel legs can be all positioned on the same side of the agricultural vehicle by rotating the base 4, as shown in fig. 7, so as to avoid the ditch and avoid the condition that the wheel legs sink into the ditch to cause the vehicle to be incapable of traveling.
Further optionally, the first driving mechanism 3 and the second driving mechanism 8 are reduction boxes.
Further optionally, the connecting frame 7a and the wheel legs 7b form a 7-shaped wheel leg mechanism 7, and rolling wheels 6 are arranged at the bottoms of the wheel legs 7 b. And a bogie 5 hinged with the other end of the steering arm 2 is arranged on the wheel leg 7 b.
Further alternatively, the turning mechanism 1 is a gear wheel, and the two gear wheels of each pair of wheel legs 7 are meshed.
The following description will be made by taking the rotation principle of one pair of wheel leg mechanisms as an example:
(1) rotation of the link frame 7 a. The first driving mechanism 3 drives the rotating mechanism at the rear end of one transverse connecting frame 7a to rotate, and the two rotating mechanisms are meshed with each other due to the fact that the corresponding rotating mechanisms are arranged at the rear ends of the two transverse connecting frames 7a, so that the two connecting frames 7a can rotate in opposite directions simultaneously, the included angle between the two connecting frames can be adjusted, and the effect of adjusting the distance between the wheel legs can be achieved;
(2) rotation of the wheel leg 7 b. As shown in fig. 4-5, the second driving mechanism 8 drives the rotating block 9 at the rear end of one of the connecting frames 7a to rotate, and since the two rotating blocks 9 are linked through a connecting rod 10, the rotating block 9 of the other connecting frame 7a also rotates in the same direction; in addition, since the two turning blocks 9 are also linked with the two front wheel legs 7b through the steering arms 2, when the two turning blocks 9 are turned, the two front wheel legs 7b are pulled to turn in the same direction through the respective hinged steering arms 2.
The utility model discloses a first actuating mechanism comes the simultaneous drive to each pair of wheel leg mechanism and uses the base to carry out the rotation of opposite direction as the center, in addition, comes the simultaneous drive to each pair of wheel leg mechanism front end through second actuating mechanism and carries out the rotation of equidirectional, the utility model discloses a first actuating mechanism and second actuating mechanism that do not interfere with each other come the turning to and the turning to of longitudinal wheel leg of driving transverse connection frame respectively, can reduce the vehicle and turn to the radius, make the vehicle turn to more in a flexible way. Simultaneously the utility model discloses a base rotates and installs on the frame, and we can carry out the whole rotation to the base, can make two wheel legs lie in the vehicle with one side even, can realize striding ridge operation, improve agricultural vehicle's mobility, as shown in figure 7. With the help of the utility model discloses, can realize turning to of crawler traction mechanism's agricultural vehicle in figure 6, the last mechanism that need not the additional mechanism of being responsible for and turning to of crawler traction mechanism is favorable to simplifying crawler traction mechanism.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (6)
1. A vehicle steering system, characterized in that the vehicle steering system comprises at least one pair of wheel leg mechanisms (7) and a driving device, wherein the wheel leg mechanisms (7) are provided with a transverse connecting frame (7a) and longitudinal wheel legs (7b) rotatably connected to the front end of the connecting frame (7 a);
the driving device comprises a base (4), and a first driving mechanism (3) and a second driving mechanism (8) are arranged on the base (4);
the rear end of each connecting frame (7a) is fixed with a rotating mechanism, the two rotating mechanisms of each pair of connecting frames (7a) are mutually linked and have opposite rotating directions, and the rotating mechanism of one connecting frame (7a) is connected with the first driving mechanism (3);
the rear end of each pair of connecting frames (7a) is provided with a rotating block (9), each pair of rotating blocks (9) is connected through a connecting rod (10), two ends of each connecting rod (10) are respectively connected with the corresponding pair of rotating blocks (9) in a rotating mode, one of the rotating blocks (9) in each pair is connected with the second driving mechanism (8), each pair of rotating blocks (9) is respectively connected with the wheel leg (7b) through a steering arm (2), and two ends of each steering arm (2) are respectively connected with the rotating blocks (9) and the wheel leg (7b) in a rotating mode.
2. A vehicle steering system according to claim 1, wherein the base (4) is pivotally mounted to the frame, and a handle (40) is provided on one side of the base (4).
3. A vehicle steering system according to claim 1, wherein the first drive mechanism (3) and the second drive mechanism (8) are reduction gearboxes.
4. A vehicle steering system according to claim 1, wherein the link frame (7a) and the wheel leg (7b) constitute a 7-shaped wheel leg mechanism (7), and a rolling wheel (6) is provided at the bottom of the wheel leg (7 b).
5. A vehicle steering system according to claim 4, wherein a bogie (5) for articulation with the other end of the steering arm (2) is provided on the wheel leg (7 b).
6. A vehicle steering system according to claim 1, wherein the turning mechanism is a gear, and two gears at the rear end of each pair of connecting frames (7a) are engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224300.2U CN210338039U (en) | 2019-07-31 | 2019-07-31 | Vehicle steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224300.2U CN210338039U (en) | 2019-07-31 | 2019-07-31 | Vehicle steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210338039U true CN210338039U (en) | 2020-04-17 |
Family
ID=70217535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921224300.2U Withdrawn - After Issue CN210338039U (en) | 2019-07-31 | 2019-07-31 | Vehicle steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210338039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329350A (en) * | 2019-07-31 | 2019-10-15 | 北京履坦科技有限公司 | A kind of wheel steering system |
-
2019
- 2019-07-31 CN CN201921224300.2U patent/CN210338039U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329350A (en) * | 2019-07-31 | 2019-10-15 | 北京履坦科技有限公司 | A kind of wheel steering system |
| CN110329350B (en) * | 2019-07-31 | 2024-03-15 | 北京履坦科技有限公司 | Vehicle steering system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20240315 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20240315 |