CN213475301U - Anti-skidding back door lifting platform - Google Patents

Abstract

The utility model provides an anti-skid back door lifting platform, which comprises a supporting plate fixedly arranged on a girder at the bottom of a carriage, wherein a tail plate is arranged at the rear side of the carriage, a driving device is arranged between the tail plate and the supporting plate, the tail plate comprises a bottom fixed plate and a top baffle plate, the fixed plate and the baffle plate are hinged with each other, and an adjusting device is connected between the fixed plate and the baffle plate; the adjusting device comprises adjusting arms hinged to two sides of the baffle, adjusting balls are connected to the other ends of the adjusting arms, adjusting grooves are formed in two sides of the top end of the supporting plate, the adjusting balls are located in the adjusting grooves, special-shaped sliding blocks are connected to one sides of the adjusting balls and penetrate through the adjusting grooves and are located at the upper ends of the adjusting grooves, and a clamping groove which is sunken towards the fixing plate side is formed in one end, far away from the baffle, of the adjusting groove. The utility model discloses prevented that the object from landing from the tailboard easily, saved the manpower to increased the security, and elevation structure is simple.

Description

Anti-skidding back door lifting platform

Technical Field

The utility model mainly relates to a lift platform's technical field, concretely relates to antiskid back door lift platform.

Background

With the development of society, most of industries can not transport cargos, transportation vehicles such as trucks and trains are generally used for long-distance transportation, and the trucks are not provided with loading and unloading devices, so that people need to manually load and unload cargos into a carriage when delivering cargos, and people can load and unload cargos by using other instruments such as a forklift or a crane in case of meeting cargos with large weight. 201110247244.6, comprising a hydraulic driving unit and a lifting tail board unit connected with the hydraulic driving unit, wherein the hydraulic driving unit is connected with the lifting tail board unit through a connecting rod unit; the hydraulic driving unit is arranged at the rear part of the automobile container and drives the connecting rod unit to perform telescopic motion, the connecting rod unit is contracted when being close to the automobile container, and the connecting rod unit is extended when being far away from the automobile container; the connecting rod unit is arranged at the rear part of the automobile container and connected with the lifting tail board unit to drive the lifting tail board unit to move up and down, and when the connecting rod unit is contracted, otherwise, the lifting tail board unit descends. Although the labor intensity is reduced and the operation efficiency of the truck is improved, the sliding is prevented by manpower when goods are loaded and unloaded, the labor is wasted, the safety is not high, and the goods sliding and personal injury accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an antiskid back door lift platform for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an anti-skid rear door lifting platform comprises a supporting plate fixedly mounted on a girder at the bottom of a carriage, a tail plate is arranged at the rear side of the carriage, a driving device is arranged between the tail plate and the supporting plate, the tail plate comprises a fixing plate at the bottom and a baffle at the top, the fixing plate and the baffle are hinged with each other, and an adjusting device is connected between the fixing plate and the baffle; the adjusting device comprises adjusting arms hinged to two sides of the baffle, adjusting balls are connected to the other ends of the adjusting arms, adjusting grooves are formed in two sides of the top end of the supporting plate, the adjusting balls are located in the adjusting grooves, special-shaped sliding blocks are connected to one sides of the adjusting balls and penetrate through the adjusting grooves and are located at the upper ends of the adjusting grooves, and a clamping groove which is sunken towards the fixing plate side is formed in one end, far away from the baffle, of the adjusting groove.

Preferably, the driving device comprises support plates, two support rods are symmetrically hinged to the two sides of each support plate in an L shape, the other ends of the support rods are hinged to the bottom of the fixing plate, inflection points of the support rods are close to the bottom of the fixing plate, connecting blocks are fixedly connected to the inflection points of the support rods, lifting hydraulic cylinders are arranged at the lower ends of the support rods, the other ends of the connecting blocks are hinged to the end portions of telescopic rods of the lifting hydraulic cylinders, and the lifting hydraulic cylinders are hinged to the support plates. In this preferred embodiment, through promoting hydraulic cylinder, can realize that the connecting block drives the bracing piece and rotates around the articulated shaft to make and drive the tailboard and go up and down.

Preferably, two overturning hydraulic cylinders are arranged on the outer side of the lifting hydraulic cylinder and hinged to the supporting plate, a mounting seat is arranged at the bottom of the fixing plate, and the end parts of telescopic rods of the overturning hydraulic cylinders are hinged to the mounting seat. In this preferred embodiment, drive the telescopic link motion through the upset pneumatic cylinder, can realize driving the tailboard around the articulated shaft upset between bracing piece and the tailboard.

Preferably, a connecting rod is connected between the two support rods and is positioned at the inflection point of the support rods. In the preferred embodiment, the tail plate is not easy to incline due to overlarge local stress through the connecting rod, so that the service life is prolonged.

Preferably, the bottom of the fixing plate is provided with a cross beam, one end of the cross beam, which is close to the baffle, is telescopic, and the bottom of the baffle is provided with a clamp and a groove corresponding to the cross beam. In the preferred embodiment, the fixing plate and the baffle plate can be kept flush in the normal state by clamping the cross beam.

Preferably, when the adjusting ball is clamped in the clamping groove, an included angle between the baffle and the fixing plate is 90 degrees. In the preferred embodiment, by limiting the length of the adjusting groove, the baffle can be prevented from being overturned by too much angle.

Preferably, a plurality of raised patterns are arranged on the upper end surface of the tail plate. In the preferred embodiment, the increased friction can be achieved by the pattern, making it difficult for the object to slip off.

Compared with the prior art, the utility model has the advantages that the novel adjusting device is adopted, when an object is loaded and unloaded, the baffle can clamp the object only by moving the sliding block, so that the object is not easy to slide off, the safety is improved, and the labor is saved; the driving device is adopted and only consists of two hydraulic cylinders and a supporting rod, so that the structure is simple and the follow-up maintenance is convenient; by adopting the connecting rod, the tail plate is not easy to be inclined due to overlarge local stress, so that the service life is prolonged; by adopting the patterns, the friction force can be increased, and the object is further difficult to slide.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a plan view of the adjusting device of the present invention;

fig. 3 is an axonometric view of the driving device of the present invention;

fig. 4 is a plan view of the driving device of the present invention.

In the figure: 1. a tail plate; 11. a support plate; 12. a fixing plate; 13. a baffle plate; 14. a carriage; 2. a drive device; 21. a support bar; 22. connecting blocks; 23. a lifting hydraulic cylinder; 24. turning over the hydraulic cylinder; 25. a mounting seat; 3. an adjustment device; 31. an adjusting arm; 32. adjusting the ball; 33. an adjustment groove; 34. a special-shaped sliding block.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, 2, 3, and 4, the present invention provides a technical solution: an anti-skid back door lifting platform comprises a supporting plate 11 fixedly installed on a girder at the bottom of a carriage 14, a tail plate 1 is arranged on the rear side of the carriage 14, a driving device 2 is arranged between the tail plate 1 and the supporting plate 11, the tail plate 1 comprises a fixing plate 12 at the bottom and a baffle 13 at the top, the fixing plate 12 and the baffle 13 are hinged with each other, and an adjusting device 3 is connected between the fixing plate 12 and the baffle 13; the upper end face of the tail plate 1 is provided with a plurality of raised patterns, and friction can be increased through the patterns, so that an object is difficult to slide.

Please refer to fig. 1 and 2 again, the adjusting device 3 includes an adjusting arm 31 hinged to two sides of the baffle 13, the other end of the adjusting arm 31 is connected to an adjusting ball 32, two sides of the top end of the supporting plate 11 are provided with adjusting slots 33, the adjusting ball 32 is located in the adjusting slot 33, one side of the adjusting ball 32 is connected to a special-shaped slider 34, the special-shaped slider 34 passes through the adjusting slot 33 and is located at the upper end of the adjusting slot 33, and one end of the adjusting slot 33 far away from the baffle 13 is provided with a slot sinking toward the side of the fixing plate 12. The bottom of the fixed plate 12 is provided with a cross beam, one end of the cross beam close to the baffle 13 is telescopic, the bottom of the baffle 13 is provided with a clamp and a groove corresponding to the cross beam, and the fixed plate 12 and the baffle 13 are kept parallel and level under the normal state through the cross beam clamp. When adjusting ball 32 card is in the draw-in groove, the contained angle between baffle 13 and fixed plate 12 is 90, through the length of injecing adjustment tank 33, can realize avoiding baffle 13 upset angle too much, leads to the effect of shelves object not good.

Please refer to fig. 1, 3 and 4, wherein the driving device 2 includes two L-shaped support rods 21 symmetrically hinged to two sides of the supporting plate 11, the other ends of the two support rods 21 are hinged to the bottom of the fixing plate 12, the inflection point of the support rod 21 is close to the bottom of the fixing plate 12, a connecting block 22 is fixedly connected to the inflection point of the two support rods 21, the lower ends of the two support rods 21 are both provided with a hydraulic lifting cylinder 23, the other end of the connecting block 22 is hinged to the end of a telescopic rod of the hydraulic lifting cylinder 23, the hydraulic lifting cylinder 23 is hinged to the supporting plate 11, and the connecting block 22 can drive the support rods 21 to rotate around the hinged shaft by lifting the hydraulic lifting cylinder; two overturning hydraulic cylinders 24 are arranged on the outer side of the lifting hydraulic cylinder 23, the two overturning hydraulic cylinders 24 are hinged to the supporting plate 11, the bottom of the fixing plate 12 is provided with an installation seat 25, the end parts of telescopic rods of the two overturning hydraulic cylinders 24 are hinged to the installation seat 25, the telescopic rods are driven to move through the overturning hydraulic cylinders 24, and the tail plate 1 can be driven to overturn around a hinge shaft between the supporting rod 21 and the tail plate 1; two connect between the bracing piece 21 and be equipped with the connecting rod, the connecting rod is located bracing piece 21 flex point department, through the connecting rod, can realize making the tailboard 1 difficult because of local atress too big leads to crooked to improve life.

The utility model discloses a concrete operation as follows:

when the staff gets in the goods, at first drive arrangement 2, let hydraulic cylinder 23 move, make connecting block 22 drive bracing piece 21 rotate around the articulated shaft, thereby make and drive tailboard 1 and fall, let upset pneumatic cylinder 24 drive the telescopic link motion, realize driving tailboard 1 and overturn around the articulated shaft between bracing piece 21 and the tailboard 1 and get off, move the crossbeam backward earlier, let baffle 13 can move to, then make tailboard 1 laminate ground, move the goods on the tailboard 1, move to special-shaped slider 34, make the regulation ball 32 card go into the draw-in groove and fix, make baffle 13 block the object, then start drive arrangement 2 once more, the tailboard 1 that rises, get into carriage 14 with the goods fortune, after, the removal crossbeam fixes baffle 13, make the tailboard 1 reset at last can.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (7)

1. The utility model provides an antiskid back door lift platform, includes backup pad (11) of fixed mounting on carriage (14) bottom girder, its characterized in that: a tail board (1) is arranged on the rear side of the carriage (14), a driving device (2) is arranged between the tail board (1) and the supporting plate (11), the tail board (1) comprises a fixing plate (12) at the bottom and a baffle (13) at the top, the fixing plate (12) and the baffle (13) are hinged with each other, and an adjusting device (3) is connected between the fixing plate (12) and the baffle (13);

adjusting device (3) include baffle (13) both sides articulated regulating arm (31), regulating arm (31) other end is connected and is equipped with adjusting ball (32), backup pad (11) top both sides are equipped with adjustment tank (33), adjusting ball (32) are located adjustment tank (33), adjusting ball (32) one side is connected and is equipped with special-shaped slider (34), special-shaped slider (34) pass adjustment tank (33) and are located adjustment tank (33) upper end, baffle (13) one end is kept away from to regulating tank (33) inside is equipped with the draw-in groove of caving in to fixed plate (12) side.

2. The anti-skid back door lift platform of claim 1, wherein: drive arrangement (2) are including bracing piece (21), two of backup pad (11) bilateral symmetry articulated "L" shape bracing piece (21) other end articulates in fixed plate (12) bottom, just bracing piece (21) inflection point is close to fixed plate (12) bottom, two bracing piece (21) inflection point department fixed connection is equipped with connecting block (22), two bracing piece (21) lower extreme all is equipped with hydraulic cylinder (23), the connecting block (22) other end is articulated with the telescopic link tip of hydraulic cylinder (23), hydraulic cylinder (23) articulates on backup pad (11).

3. The anti-skid back door lift platform of claim 2, wherein: the lifting hydraulic cylinder (23) outside is equipped with two upset pneumatic cylinders (24), two upset pneumatic cylinder (24) articulate on backup pad (11), fixed plate (12) bottom is equipped with mount pad (25), two the telescopic link tip of upset pneumatic cylinder (24) articulates on mount pad (25).

4. The anti-skid back door lift platform of claim 2, wherein: a connecting rod is connected between the two support rods (21), and the connecting rod is positioned at the inflection point of the support rods (21).

5. The anti-skid back door lift platform of claim 1, wherein: the bottom of the fixing plate (12) is provided with a cross beam, one end of the cross beam close to the baffle (13) is telescopic, and the bottom of the baffle (13) is provided with a clamp and a groove corresponding to the cross beam.

6. The anti-skid back door lift platform of claim 1, wherein: when the adjusting ball (32) is clamped in the clamping groove, the included angle between the baffle (13) and the fixing plate (12) is 90 degrees.

7. The anti-skid back door lift platform of claim 1, wherein: a plurality of raised patterns are arranged on the upper end face of the tail plate (1).

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