CN220595050U - Stabilizing device for descending of crawler-type stair climbing vehicle - Google Patents

Abstract

The utility model discloses a stabilizing device for descending of a crawler-type stair climbing vehicle, which relates to the field of stair climbing equipment and comprises a machine shell, wherein a wheel disc is movably arranged in the machine shell, a crawler is movably arranged outside the wheel disc, a first connecting block is fixedly arranged at the rear end of the top of the machine shell, a bearing plate is movably hinged to the inner side of the first connecting block, and a connecting shaft is fixedly connected to the rear end of the outer side of the machine shell. According to the utility model, when the crawler belt moves obliquely downwards along the stair edge, the elastic buffer belt lower than the crawler belt is firstly contacted with the stair edge, the elastic buffer belt which is tightly arranged deforms along the stair edge due to gravity, and meanwhile, the buffer rod which corresponds to the lower part is stressed to compress the spring inwards along the mounting cavity, so that the buffer belt is matched with the spring to buffer during descending, the rigid contact of the crawler belt and the stair edge is reduced, and the buffer effect is realized during moving, and the stability during descending use is improved.

Description

Stabilizing device for descending of crawler-type stair climbing vehicle

Technical Field

The utility model relates to the field of stair climbing equipment, in particular to a stabilizing device for descending of a crawler-type stair climbing vehicle.

Background

Because most of the multi-storey buildings at present are not provided with elevators, more and more stair climbing devices are applied for facilitating the life of people, and compared with other stair climbing devices, the crawler type stair climbing vehicle not only can be used for climbing stairs, but also can be used for various terrains such as flat lands, barren lands and the like, so that the crawler type stair climbing vehicle is also accepted by the masses. The following problems exist in the prior art:

the existing stabilizing device for the descending of the crawler type stair climbing vehicle has the advantages that when the crawler type stair climbing vehicle goes downstairs, braking constraint force is generated through the clamping of the protruding edges of the crawler and the corners of the stairs, but the buffer and shock absorption effects of the crawler and the stair legs are not achieved when the crawler moves obliquely along the stairs, and the descending stability of the crawler type stair climbing vehicle is reduced.

The existing stabilizing device for descending of the crawler-type stair climbing vehicle is fixed in size in most cargo carrying areas, cannot be adjusted according to requirements, cannot flexibly load cargoes according to requirements, and is poor in flexibility.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a stabilising arrangement is used in descending of crawler-type stair climbing car, includes the casing, the inside movable mounting of casing has the rim plate, the outside movable mounting of rim plate has the track, the rear end fixed mounting at casing top has connecting block one, the inboard movable hinge of connecting block one has the loading board, the rear end fixedly connected with connecting axle in the casing outside, the outside movable mounting of connecting axle has outer movable sleeve, the outside equidistance of outer movable sleeve is connected with the installation cavity, the inside movable joint in installation cavity has spring and buffer rod, the buffer rod is located the outside of spring, the one end movable mounting that the connecting axle was kept away from to the inside and outside both sides of spring has the gyro wheel, the draw-in groove has been seted up to the inside movable joint of gyro wheel, the inside movable joint of draw-in groove has elastic buffer area.

The technical scheme of the utility model is further improved as follows: the inside cavity setting of loading board, the adjusting screw is all installed to the inside left and right sides both ends bearing of loading board, adjusting screw's inside activity joint has the fly leaf, the fly leaf activity articulates in adjusting screw's outside, the rear side movable mounting of loading board has the regulating hand wheel that is connected with adjusting screw, the front side fixed mounting of fly leaf has the handle, the rear end activity at loading board top articulates there is the baffle.

The technical scheme of the utility model is further improved as follows: the lower extreme of elasticity buffer zone is less than the track setting, elasticity buffer zone stretches the setting in the draw-in groove.

The technical scheme of the utility model is further improved as follows: the bottom of the bearing plate is fixedly provided with a second connecting block, and an inner groove of the second connecting block is movably hinged with a hydraulic column connected with the inner side of the shell.

The technical scheme of the utility model is further improved as follows: the inner side of the shell is fixedly provided with a driving mechanism.

The technical scheme of the utility model is further improved as follows: the front side of the adjusting screw is provided with a notch corresponding to the movable plate.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

the utility model provides a stabilizing device for descending a crawler-type stair climbing vehicle, which is provided with an outer movable sleeve, an installation cavity, a spring, buffer rods and the like.

The utility model provides a stabilizing device for descending of a crawler-type stair climbing vehicle, which is provided with an adjusting screw, a movable plate, an adjusting hand wheel, a handle and the like.

Drawings

FIG. 1 is a schematic view of the stabilizing device for descending a crawler-type stair climbing vehicle according to the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting screw of the present utility model;

fig. 4 is a schematic structural view of an elastic buffer belt according to the present utility model.

In the figure: 1. a housing; 2. a wheel disc; 3. a track; 4. a first connecting block; 5. a carrying plate; 6. a second connecting block; 7. a hydraulic column; 8. a connecting shaft; 9. an outer movable sleeve; 10. a mounting cavity; 11. a spring; 12. a buffer rod; 13. a roller; 14. a clamping groove; 15. an elastic buffer belt; 16. adjusting a screw; 17. a movable plate; 18. an adjusting hand wheel; 19. a handle; 20. a baffle; 21. a driving mechanism.

Detailed Description

The utility model is further illustrated by the following examples:

examples

As shown in fig. 1-4, the utility model provides a stabilizing device for descending of a crawler-type stair climbing vehicle, which comprises a machine shell 1, wherein a wheel disc 2 is movably arranged in the machine shell 1, a crawler 3 is movably arranged outside the wheel disc 2, a connecting block 4 is fixedly arranged at the rear end of the top of the machine shell 1, a bearing plate 5 is movably hinged on the inner side of the connecting block 4, a connecting shaft 8 is fixedly connected with the rear end of the outer side of the machine shell 1, an outer movable sleeve 9 is movably arranged outside the connecting shaft 8, an installation cavity 10 is equidistantly connected with the outer side of the outer movable sleeve 9, a spring 11 and a buffer rod 12 are movably clamped in the installation cavity 10, the buffer rod 12 is positioned outside the spring 11, rollers 13 are movably arranged at one ends, far away from the connecting shaft 8, of the inner side and the outer side of the spring 11, a clamping groove 14 is formed in the roller 13, and an elastic buffer belt 15 is movably clamped in the inner side of the clamping groove 14; the lower end of the elastic buffer belt 15 is lower than the crawler belt 3, and the elastic buffer belt 15 is arranged in the clamping groove 14 in a stretching way; the bottom of the bearing plate 5 is fixedly provided with a second connecting block 6, and an inner groove of the second connecting block 6 is movably hinged with a hydraulic column 7 connected with the inner side of the casing 1.

In this embodiment, through being provided with outer movable sleeve 9, installation cavity 10, spring 11, buffer rod 12 etc. when using, through making track 3 follow the slant down the activity of stair border, through being less than the elasticity buffer zone 15 that track 3 set up first with the stair border contact, make the buffer rod 12 atress along installation cavity 10 of corresponding below compress spring 11 when receiving the gravity along stair border deformation through tightening elasticity buffer zone 15 that sets up, thereby cooperate spring 11 to cushion through elasticity buffer zone 15 when going down, reduce track 3 and the rigidity contact along the stair, thereby play the cushioning effect when moving, stability when improving down use.

Examples

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inside of the bearing plate 5 is hollow, the left end and the right end of the inside of the bearing plate 5 are respectively provided with an adjusting screw 16, the inside of the adjusting screw 16 is movably clamped with a movable plate 17, the movable plate 17 is movably hinged to the outside of the adjusting screw 16, the rear side of the bearing plate 5 is movably provided with an adjusting hand wheel 18 connected with the adjusting screw 16, the front side of the movable plate 17 is fixedly provided with a handle 19, and the rear end of the top of the bearing plate 5 is movably hinged with a baffle 20; a driving mechanism 21 is fixedly arranged on the inner side of the shell 1; the front side of the adjusting screw 16 is provided with a notch corresponding to the movable plate 17.

In this embodiment, through being provided with adjusting screw 16, fly leaf 17, adjusting handwheel 18, handle 19 etc. through turning back baffle 20 makes its and loading board 5 perpendicular setting backward during the use to through loading on loading board 5 with the article, when article is more, through two adjusting handwheels 18 of rotating loading board 5 rear side, drive the adjusting screw 16 who connects with it through adjusting handwheel 18 and rotate, drive its outside articulated fly leaf 17 through adjusting screw 16's rotation and follow the inboard of loading board 5 and shift out to the front side, thereby enlarge the loading area, thereby can carry out nimble regulation as required, the flexibility is better.

The working principle of the stabilizing device for descending the crawler-type stair climbing vehicle is specifically described below.

When the movable plate is used, as shown in fig. 1-4, the baffle 20 is folded backwards to be vertically arranged with the bearing plate 5, and objects are loaded on the bearing plate 5, when the objects are more, the two adjusting handwheels 18 on the rear side of the bearing plate 5 are rotated, the adjusting screw rods 16 connected with the adjusting handwheels are driven to rotate through the adjusting handwheels 18, the movable plate 17 hinged to the outside of the movable plate is driven to move out along the inner side of the bearing plate 5 to the front side through the rotation of the adjusting screw rods 16, so that the loading area is enlarged, when the track 3 moves obliquely downwards along the stair edge, the movable plate is firstly contacted with the stair edge through the elastic buffer belts 15 lower than the track 3, and when the elastic buffer belts 15 are deformed along the stair edge through the gravity, the buffer rods 12 under the tension move along the installation cavity 10 to compress the springs 11 through the elastic buffer belts 15, so that the rigid contact between the track 3 and the stair edge is reduced, and the buffer effect is realized when the movable.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a stabilising arrangement is used in descending of crawler-type stair climbing car, includes casing (1), its characterized in that: the inside movable mounting of casing (1) has rim plate (2), the outside movable mounting of rim plate (2) has track (3), the rear end fixed mounting at casing (1) top has connecting block one (4), the inboard movable hinge of connecting block one (4) has loading board (5), the rear end fixedly connected with connecting axle (8) in casing (1) outside, the outside movable mounting of connecting axle (8) has outer movable sleeve (9), the outside equidistance of outer movable sleeve (9) is connected with installation cavity (10), the inside movable joint in installation cavity (10) has spring (11) and buffer rod (12), buffer rod (12) are located the outside of spring (11), the one end movable mounting of connecting axle (8) is kept away from to the inside and outside both sides of spring (11) has gyro wheel (13), draw-in groove (14) are seted up to the inside of gyro wheel (13), the inside movable joint of draw-in groove (14) has elasticity buffer zone (15).

2. A stabilizing device for a crawler-type stair climbing vehicle according to claim 1, wherein: the inside cavity setting of loading board (5), adjusting screw (16) are all installed to the inside left and right sides both ends bearing of loading board (5), the inside movable joint of adjusting screw (16) has fly leaf (17), fly leaf (17) swing joint in the outside of adjusting screw (16), the rear side movable mounting of loading board (5) has adjusting handle (18) that are connected with adjusting screw (16), the front side fixed mounting of fly leaf (17) has handle (19), the rear end swing joint at loading board (5) top has baffle (20).

3. A stabilizing device for a crawler-type stair climbing vehicle according to claim 1, wherein: the lower end of the elastic buffer belt (15) is lower than the crawler belt (3), and the elastic buffer belt (15) is stretched in the clamping groove (14).

4. A stabilizing device for a crawler-type stair climbing vehicle according to claim 1, wherein: the bottom of the bearing plate (5) is fixedly provided with a second connecting block (6), and an inner groove of the second connecting block (6) is movably hinged with a hydraulic column (7) connected with the inner side of the casing (1).

5. A stabilizing device for a crawler-type stair climbing vehicle according to claim 2, wherein: the inner side of the shell (1) is fixedly provided with a driving mechanism (21).

6. A stabilizing device for a crawler-type stair climbing vehicle according to claim 2, wherein: the front side of the adjusting screw (16) is provided with a notch corresponding to the movable plate (17).