Walking base capable of walking stably

Abstract

The utility model relates to the technical field of walking bases, and provides a walking base capable of walking stably, which comprises a machine frame, a driving wheel rotatably arranged on the machine frame, a driving device for driving the driving wheel to rotate, a guide wheel rotatably arranged on the machine frame, and a caterpillar band covering the driving wheel and the guide wheel, the caterpillar band comprises a top, a bottom, a front part and a rear part, the front part and the rear part are obliquely arranged, the upper end of the front part inclines towards the front end direction, and the upper end of the rear part inclines towards the front end direction. The lower portion of the front portion of the crawler belt is suspended so that the crawler belt can cross obstacles and climb a slope, the contact area of the crawler belt and the ground can be increased through the structure of the rear portion, walking is more stable, the crawler belt walking base is more suitable for various complex terrains, and the technical problems that the contact area of an existing crawler belt walking base and the ground is small, and advancing operation is unstable are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of walking bases, in particular to a walking base with stable walking performance. Background Art

[0002] The crawler-type walking base is a traditional walking device, which has excellent tractability, passability and stability. It is still a basic form of walking device so far. Due to its high adaptability to complex road conditions, the crawler-type walking vehicle is widely used in rugged mountain roads, disaster relief, agricultural work and engineering construction and other fields. The existing crawler-type walking base usually adopts a structure similar to a trapezoid, with the side close to the ground being shorter and the side far from the ground being longer. In this structure, the contact area between the crawler and the ground is small, and the crawler is prone to dislocation during walking, resulting in unstable forward operation. Content of the Utility Model

[0003] Therefore, in view of the above problems, the utility model proposes a walking base with stable walking performance. It solves the technical problem that the existing crawler-type walking base has a small contact area with the ground and unstable forward operation.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A walking base with stable walking performance, comprising a frame, a driving wheel rotatably arranged on the frame, a driving device for driving the driving wheel to rotate, a guiding wheel rotatably arranged on the frame, and a crawler covering the driving wheel and the guiding wheel. The crawler includes a top, a bottom, a front part and a rear part. The front part and the rear part are inclined. The upper end of the front part is inclined towards the front end direction, and the upper end of the rear part is inclined towards the front end direction.

[0006] Furthermore:

[0007] At least two positioning wheel mechanisms and at least one set of floating wheel mechanisms are arranged on the frame. Two of the positioning wheel mechanisms are respectively located at the front and rear ends of the bottom, and the floating wheel mechanism is arranged between the two positioning wheel mechanisms at the front and rear ends.

[0008] The floating wheel mechanism includes a first seat body connected to the frame through a connecting member, and at least two floating wheels rotatably connected to the first seat body. The two floating wheels are respectively located on both sides of the connecting member.

[0009] The number of floating wheels in each set of floating wheel mechanisms is two. The connecting member is arranged above the floating wheels, and the connecting member and the two floating wheels form a triangular structure.

[0010] The distance between the connecting member and the floating wheel close to the outside is less than the distance between the connecting member and the floating wheel close to the inside.

[0011] The positioning wheel mechanism includes a second seat body fixed to the frame and a positioning wheel rotatably provided on the second seat body.

[0012] A bracket is provided on the frame, one end of the bracket is inclined downward, and the guide wheel is rotatably provided at the downward inclined end of the bracket.

[0013] A tensioning device is provided between the frame and the bracket. The tensioning device includes a sliding rod connected to the other end of the bracket, a spring provided on the outer surface of the sliding rod, a abutting member provided on the frame, and a sliding groove provided on the abutting member. The sliding rod is inserted into the sliding groove and can slide along the sliding groove. One end of the spring abuts against the bracket, and the other end of the spring abuts against the abutting member.

[0014] A card slot is provided on the inner surface of the crawler belt. The driving wheel and the guide wheel are clamped in the card slot, and the driving wheel and the guide wheel rotate in the card slot during walking.

[0015] At least a pair of support wheels are rotatably provided at the top end of the frame. The support wheels can abut against the crawler belt, and one pair of support wheels abuts against the bent position of the crawler belt.

[0016] By adopting the foregoing technical solutions, the beneficial effects of the present utility model are as follows:

[0017] The front and rear parts of the crawler belt of the present utility model are inclined. The upper ends of the front and rear parts are inclined towards the front end direction. The lower part of the front is suspended, which can cross obstacles and climb slopes. Compared with the traditional trapezoidal structure with a longer upper part and a shorter lower part, the structure of the rear part can increase the contact area between the crawler belt and the ground, making it more stable during walking and easier to adapt to various complex terrains, such as rough, muddy or loose terrains, and can also reduce crawler belt wear and extend the service life; further, the positioning wheel mechanisms at the front and rear ends can provide better grip and stability to adapt to different road conditions, and the middle floating wheel mechanism forms a more stable support, enhancing the overall stiffness and bearing capacity; further, the connecting member and the two floating wheels form a triangular structure, which is not easy to deform and is more stable during walking; further, the distance between the connecting member and the floating wheel closer to the outside is less than the distance between the connecting member and the floating wheel closer to the inside. In this structure, the floating wheel on the outside floats less and is more stable during walking; further, the tensioning device plays a good limiting and supporting role for the guide wheel. When the guide wheel is loose, it will squeeze the spring, and after the spring restores, it will push the bracket to make the guide wheel fit with the crawler belt again, avoiding the situation of crawler belt detachment and deviation; further, the driving wheel and the guide wheel rotate in the card slot during walking, preventing the driving wheel and the guide wheel from falling off and deviating; further, the overall stability is enhanced by the support wheels, and the crawler belt maintains its shape. Description of the Drawings

[0018] Figure 1 is the front view of the present utility model;

[0019] Figure 2 is a schematic structural view of another angle of the present utility model;

[0020] Figure 3 is a schematic structural view of the crawler belt;

[0021] Figure 4 is a schematic structural view of the floating wheel mechanism;

[0022] Figure 5 is a schematic structural view of the tensioning device.

[0023] In the figure: 1, frame; 2, drive wheel; 3, guide wheel; 4, crawler belt; 41, top; 42, bottom; 43, front part; 44, rear part; 5, floating wheel mechanism; 6, positioning wheel mechanism; 51, first seat body; 52, floating wheel; 53, connecting member; 61, second seat body; 62, positioning wheel; 11, bracket; 7, tensioning device; 71, slide bar; 72, spring; 73, abutting member; 45, card slot; 8, support wheel. Specific embodiments

[0024] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Refer to Figures 1 to 5 , the present utility model provides a walking base with stable walking, including a frame 1, a drive wheel 2 rotatably arranged on the frame 1, a drive device for driving the drive wheel 2 to rotate, a guide wheel 3 rotatably arranged on the frame 1, and a crawler belt 4 covering the drive wheel 2 and the guide wheel 3. The crawler belt 4 includes a top 41, a bottom 42, a front part 43 and a rear part 44. The front part 43 and the rear part 44 are inclined. The upper end of the front part 43 is inclined towards the front end direction, and the upper end of the rear part 44 is inclined towards the front end direction.

[0026] Two positioning wheel mechanisms 6 and two groups of floating wheel mechanisms 5 are arranged on the frame 1. Among them, the two positioning wheel mechanisms 6 are respectively located at the front and rear ends of the bottom 42, and the floating wheel mechanisms 5 are arranged between the two positioning wheel mechanisms 6 at the front and rear ends. The floating wheel mechanism 5 includes a first seat body 51 connected to the frame 1 through a connecting member 53, and two floating wheels 52 rotatably connected to the first seat body 51. The two floating wheels 52 are respectively located on both sides of the connecting member 53. The connecting member 53 is arranged above the floating wheels 52. The connecting member 53 and the two floating wheels 52 form a triangular structure. The distance between the connecting member 53 and the floating wheel 52 close to the outside is less than the distance between the connecting member 53 and the floating wheel 52 close to the inside. The positioning wheel mechanism 6 includes a second seat body 61 fixed to the frame 1 and a positioning wheel 62 rotatably arranged on the second seat body 61.

[0027] A bracket 11 is provided on the frame 1. One end of the bracket 11 is inclined downward, and the guide wheel 3 is rotatably provided at the downward-inclined end of the bracket 11. A tensioning device 7 is provided between the frame 1 and the bracket 11. The tensioning device 7 includes a slide bar 71 connected to the other end of the bracket 11, a spring 72 provided on the outer surface of the slide bar 71, a abutting member 73 provided on the frame 1, and a chute provided on the abutting member 73. The slide bar 71 is inserted into the chute and can slide along the chute. One end of the spring 72 abuts against the bracket 11, and the other end of the spring 72 abuts against the abutting member 73. A card slot 45 is provided on the inner surface of the crawler belt 4, and the drive wheel 2 and the guide wheel 3 are clamped in the card slot 45 and rotate in the card slot 45 during walking. A support wheel 8 is rotatably provided at the top end of the frame 1, and the support wheel 8 can abut against the bent position of the crawler belt 4.

[0028] The front part 43 and the rear part 44 described above can be arranged parallel to each other or not, and are specifically arranged according to the situation.

[0029] The above-mentioned driving device can be a rotating motor, a rotating cylinder or other driving structures, and is specifically arranged according to the situation.

[0030] The above-mentioned drive wheel 2 can be a gear structure, and is specifically arranged according to the situation.

[0031] The number of the above-mentioned positioning wheel mechanisms 6 can be two, three, four or even more, and is specifically arranged according to the situation.

[0032] The number of the above-mentioned floating wheel mechanisms 5 can be one group, two groups, three groups or even more. The number of floating wheels 52 in each group of floating wheel mechanisms 5 can be two, three, four or even more, and is specifically arranged according to the situation.

[0033] The distance between the above-mentioned connecting member 53 and the floating wheel 52 close to the outside can also be equal to the distance between the connecting member 53 and the floating wheel 52 close to the inside, and is specifically arranged according to the situation.

[0034] The number of the above-mentioned support wheels 8 can be one, two, three or even more, or the support wheel 8 can be not provided, and is specifically arranged according to the situation.

[0035] The above-mentioned abutting member 73 can also be an oil cylinder, and is specifically arranged according to the situation.

[0036] The above-mentioned card slot 45 can also be not provided, and is specifically arranged according to the situation.

[0037] The working mode of the present utility model is:

[0038] During use, the driving device drives the driving wheel 2 to rotate, driving the guide wheel 3 and the crawler 4 to rotate. Both the driving wheel 2 and the guide wheel 3 rotate within the card slot 45. When walking, the front part 43 of the crawler 4 is suspended below, facilitating crossing obstacles and climbing slopes. During driving, the contact area between the crawler 4 and the ground is large, making it more stable. When the guide wheel 3 becomes loose, it will squeeze the spring 72, and the sliding rod 71 extends into the sliding groove. The spring 72 returns to generate a reaction force to push the bracket 11, causing the guide wheel 3 to fit against the crawler 4 again to prevent the crawler 4 from disengaging.

[0039] Although the present utility model has been specifically shown and described in connection with the preferred embodiments, those skilled in the art should understand that various changes can be made to the present utility model in terms of form and details without departing from the spirit and scope of the present utility model defined by the appended claims, and all such changes are within the protection scope of the present utility model.

Claims

1. A walking base with stable walking, characterized by: The invention comprises a frame, a driving wheel rotatably arranged on the frame, a driving device for driving the driving wheel to rotate, a guide wheel rotatably arranged on the frame, and a crawler track covering the driving wheel and the guide wheel, wherein the crawler track comprises a top, a bottom, a front part and a rear part, wherein the front part and the rear part are inclined, wherein the upper end of the front part is inclined toward the front end direction, and the upper end of the rear part is inclined toward the front end direction.

2. A walking base with stable walking according to claim 1, characterized in that: The frame is provided with at least two positioning wheel mechanisms and at least one group of floating wheel mechanisms, wherein the two positioning wheel mechanisms are respectively located at the front and rear ends of the bottom, and the floating wheel mechanism is arranged between the two positioning wheel mechanisms at the front and rear ends.

3. A walking base with stable walking according to claim 2, characterized in that: The floating wheel mechanism comprises a first base body connected to the frame through a connecting member, and at least two floating wheels rotatably connected to the first base body, wherein the two floating wheels are respectively located at two sides of the connecting member.

4. A walking base with stable walking according to claim 3, characterized in that: The number of floating wheels in each group of the floating wheel mechanism is two, the connecting member is arranged above the floating wheels, and the connecting member and the two floating wheels form a triangular structure.

5. A walking base with stable walking according to claim 4, characterized in that: The distance between the connecting member and the floating wheel close to the outer side is smaller than the distance between the connecting member and the floating wheel close to the inner side.

6. A walking base with stable walking according to any one of claims 2 to 5, characterized in that: The positioning wheel mechanism comprises a second seat body fixed on the frame and a positioning wheel rotatably arranged on the second seat body.

7. The stable walking base according to claim 1, characterized in that: A bracket is arranged on the frame, one end of the bracket is arranged tilted downward, and the guide wheel is rotatably arranged on the downward tilted end of the bracket.

8. A stable walking base according to claim 7, characterized in that: A tensioning device is provided between the frame and the bracket, and the tensioning device includes a sliding rod connected to the other end of the bracket, a spring provided on the outer surface of the sliding rod, a supporting member provided on the frame, and a sliding groove provided on the supporting member, the sliding rod is inserted into the sliding groove and can slide along the sliding groove, one end of the spring is against the bracket, and the other end of the spring is against the supporting member.

9. The stable walking base according to claim 1, characterized in that: The inner surface of the crawler is provided with a clamping groove, and the driving wheel and the guide wheel are clamped in the clamping groove. When walking, the driving wheel and the guide wheel rotate in the clamping groove.

10. The stable walking base according to claim 1, characterized in that: At least one pair of supporting wheels is rotatably provided at the top of the frame, and the supporting wheels can abut against the crawler track, wherein one pair of supporting wheels abuts against the bending position of the crawler track.

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