CN211196348U

CN211196348U - Vehicle body steering structure

Info

Publication number: CN211196348U
Application number: CN201922316222.5U
Authority: CN
Inventors: 邵长兵; 张兆冬; 王莉莉; 王永露
Original assignee: Huo Qiubao Yunlai Agricultural Technology Co ltd
Current assignee: Huo Qiubao Yunlai Agricultural Technology Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-08-07
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a car body turns to structure, including setting up in the anterior bogie of frame main part, the bogie includes two walking wheels, connects preceding frame, connecting piece and the rotation connecting piece of two walking wheel axis of rotation, and the walking wheel is directional wheel, and preceding frame level sets up, and preceding frame front portion is connected with the connecting piece, and the connecting piece is connected its characterized in that through rotating connecting piece and frame main part front end rotation: the rotating center of the rotating connecting piece is positioned in front of the axial leads of the two travelling wheels and on the vertical plane of the axial leads of the two travelling wheels; the utility model discloses avoided traditional universal wheel to turn to at will when the ground is uneven or meet the barrier, overcome the shortcoming that the direction is difficult to control to have turn to lightly, turn to stable advantage.

Description

Vehicle body steering structure

Technical Field

The utility model relates to the field of agricultural machinery, specifically the automobile body turns to the structure.

Background

The existing agricultural machinery steering structure is mainly divided into two types, 1, a steering frame is rotationally connected with a main body frame, and a rotational connection point is positioned right above the steering frame or behind the steering frame; 2. the bogie is fixedly connected with the main body frame, and the travelling wheels at the bottom of the bogie are universal wheels; the two modes can realize steering, but all exist not enough, and the whole bogie that takes place the skew when meetting the obstacle of the directional wheel of 1 st kind bogie bottom influences the correct walking route, rolls damage crops, and the universal wheel of 2 nd kind rotates in disorder when meetting the obstacle, influences the correct walking route and rolls damage crops equally.

Disclosure of Invention

An object of the utility model is to provide a car body turns to the structure in order to solve above-mentioned not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the car body turns to the structure, including setting up in the anterior bogie of frame main part, the bogie includes two walking wheels and connects the preceding frame of two walking wheel axis of rotation, and the walking wheel is directional wheel, and preceding frame level sets up, and frame main part and preceding frame rotate in realizing vertical direction through vertical revolute pair and be connected, and the rotation center that frame main part and preceding frame level rotate to be connected is located the axial lead the place ahead of two walking wheels, and is located the perpendicular plane in the centre of the axial lead of two walking wheels.

Furthermore, the vertical rotating pair comprises a connecting piece and a rotating connecting piece, one end of the connecting piece is fixedly connected to the front frame, and the other end of the connecting piece is horizontally and rotatably connected with the frame main body through the rotating connecting piece.

Furthermore, the connecting piece is a fixing rod or a fixing plate.

Furthermore, the rotating connecting piece is a rotating shaft or a universal disc.

Furthermore, the front frame is provided with two limiting devices which are bilaterally symmetrical and limit the rotating angle between the frame main body and the front frame.

Furthermore, the limiting device is a limiting rod or a limiting block.

Furthermore, the front frame is arranged above the walking wheels or connected between the two walking wheels.

Furthermore, a horizontal rotating pair is connected between the vertical rotating pair and the frame main body or the front frame.

Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses avoided traditional universal wheel to turn to at will when the ground is uneven or meet the barrier, overcome the shortcoming that the direction is difficult to control to have turn to lightly, turn to stable advantage.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a third schematic structural view of the present invention;

fig. 4 is a fourth schematic structural diagram of the present invention.

The reference numbers in the figures are: the device comprises a frame main body 1, a traveling wheel 2, a front frame 3, a connecting piece 4, a rotating connecting piece 5, a limiting device 6 and a vertical rotating pair 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to the attached drawings 1-4, the utility model discloses a vehicle body steering structure, including the bogie that sets up in the front portion of frame main part 1, there is the clearance in the vertical direction between frame main part 1 and the bogie, avoid the contact between frame main part 1 and the bogie to influence the rotation of bogie, the bogie includes two walking wheels 2 and connects the front frame 3 of two walking wheel 2 axis of rotation, walking wheel 2 is the directive wheel, obviously walking wheel 2 in this embodiment can also be replaced by the slide, the slide has fine anti-sinking performance when walking in the mud, front frame 3 sets up horizontally, front frame 3 can both set up above walking wheel 2, as shown in figure 4, also can set up between two walking wheels 2, frame main part 1 and front frame 3 realize rotating connection in the vertical direction through the vertical revolute pair, when the automobile body includes four wheels, in order to avoid uneven ground to appear the wheel unsettled, preferably, as shown in fig. 4, a horizontal revolute pair 7 is connected between the vertical revolute pair and the frame body 1 or the front frame 3, the front frame 3 and the frame body 1 are rotatably connected in the horizontal direction so as to avoid suspension of wheels, the vertical revolute pair comprises a connecting piece 4 and a rotary connecting piece 5, the front part of the front frame 3 is connected with the connecting piece 4, the connecting piece 4 is a fixed rod or a fixed plate, the gravity support at the front end of the frame body 1 falls on the connecting piece 4, preferably, the fixed rod or the fixed plate is made of a high-strength metal material, as shown in fig. 1, 2 and 4, when the connecting piece 4 is set as a fixed rod, the fixed rod is preferably provided with two fixed rods, the two fixed rods are equal in length and are symmetrically connected to the front frame 3 in the left and right direction, as shown in fig. 3, when the connecting piece 4 is set as a fixed plate, the fixed, the frame main body 1 and the front frame 3 form a vertical rotatable connection in front of the axial leads of the two road wheels 2 through the rotating connecting piece 5 and the connecting piece 4, and the rotation centers of the frame main body 1 and the front frame 3 are positioned on the vertical plane of the central line of the axial lead of the two walking wheels 2, when the walking wheels 2 are replaced by sliding plates, the rotation center is positioned in front of the connecting line of the two connecting points of the two sliding plates and the front frame 3, and is positioned on the middle vertical plane of the connecting line, the rotating connecting piece 5 is a rotating shaft or a universal disc, as shown in figures 1 and 2, when the rotating connecting piece 5 is the rotating shaft, one end of the rotating shaft is rotatably connected with the connecting piece 4 or the frame main body 1 through a bearing, or the two ends of the rotating shaft are respectively and rotatably connected with the connecting piece 4 and the frame main body 1 through bearings, as shown in figure 3, when the rotating connecting piece 5 is a universal disc, the vertical direction rotatable setting of universal dish, universal dish top and bottom respectively with connecting piece 4 and frame main part 1 fixed connection.

Example two

With continued reference to fig. 1-3, the basic structure and principles of this embodiment are substantially the same as the first embodiment described above, except that, the front frame 3 is provided with two limiting devices 6 which are bilaterally symmetrical and limit the rotating angle between the frame main body 1 and the front frame 3, the height value of the limiting devices 6 is not less than the height value of the gap between the front frame 3 and the frame main body 1, the front frame 3 is prevented from rotating around the rotating connecting piece 4 to the front of the rotating center of the rotating connecting piece 4, so that the direction is prevented from being randomly deviated during walking, and the preferred direction is, the limiting device 6 is a limiting rod or a limiting block (not shown), which has the advantage of simple structure, obviously, the limiting device 6 can be other structures, for example, when the frame body 1 touches the limit switch, the steering power device of the frame body 1 is controlled to stop working, and further the limitation of the offset angle between the front frame and the frame body 1 is realized.

In the concrete use, the utility model discloses an automobile body turns to the structure, preceding frame 3 passes through connecting piece 4 and rotates connecting piece 5 with frame main part 1 and rotates the connection in 2 axial lead dead ahead on the walking wheel, when going straight, preceding frame 3 is going straight under the drive of the traction that rotates connecting piece 5 and connecting piece 4, walking wheel 2 meets the obstacle and makes preceding frame take place rotatory back, and preceding frame 3 can resume the state when going straight fast under frame main part 1 traction drive, when turning to, frame main part 1 deflects, and frame 3 deflects thereupon before driving, the utility model discloses avoided traditional universal wheel to turn to at will when the ground is uneven or meets the obstacle, overcome the shortcoming that the direction is difficult to control to have turn to lightly, turn to stable advantage.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The automobile body turns to structure, including setting up in the anterior bogie of frame main part, the bogie includes two walking wheels and connects the preceding frame of two walking wheel axis of rotation, and the walking wheel is directional wheel, and preceding frame level sets up, and frame main part and preceding frame realize rotating in the vertical direction through vertical revolute pair and are connected its characterized in that: the rotation center of the horizontal rotation connection of the frame main body and the front frame is positioned in front of the axial leads of the two walking wheels and on the vertical plane of the axial leads of the two walking wheels.

2. The vehicle body steering structure according to claim 1, characterized in that: the vertical rotating pair comprises a connecting piece and a rotating connecting piece, one end of the connecting piece is fixedly connected to the front frame, and the other end of the connecting piece is horizontally and rotatably connected with the frame main body through the rotating connecting piece.

3. The vehicle body steering structure according to claim 2, characterized in that: the connecting piece is a fixed rod or a fixed plate.

4. The vehicle body steering structure according to claim 2, characterized in that: the rotary connecting piece is a rotating shaft or a universal disc.

5. The vehicle body steering structure according to any one of claims 1 to 4, characterized in that: the front frame is provided with two limiting devices which are bilaterally symmetrical and limit the rotating angle between the frame main body and the front frame.

6. The vehicle body steering structure according to claim 5, characterized in that: the limiting device is a limiting rod or a limiting block.

7. The vehicle body steering structure according to any one of claims 1 to 4, characterized in that: the front frame is arranged above the walking wheels or connected between the two walking wheels.

8. The vehicle body steering structure according to claim 7, characterized in that: and a horizontal rotating pair is connected between the vertical rotating pair and the frame main body or the front frame.