CN210192879U

CN210192879U - Adjustable boarding bridge structure

Info

Publication number: CN210192879U
Application number: CN201921048044.6U
Authority: CN
Inventors: Weiliang Zhou; 周伟良; Qi Zhou; 周琦
Original assignee: Suzhou Jiugu Aluminum Alloy Lifting Machinery Co Ltd
Current assignee: Suzhou Jiugu Aluminum Alloy Lifting Machinery Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-27
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a step on bridge structure with adjustable, bridge body board, base plate and the support frame that corresponds the setting including top-down, the correspondence is provided with connecting plate and hydraulic telescopic frame about the upper surface of base plate, hydraulic telescopic frame's top and bridge body board's lower fixed surface are connected, the connecting plate is provided with two, another the lower extreme at bridge body board is fixed to the connecting plate, two perpendicular setting about the connecting plate, and two connect through the mode of round pin axle between the connecting plate, first pneumatic cylinder is installed in proper order to the upper end of support frame, be fixed with the lift seat on the output pole on first pneumatic cylinder top, the lower fixed surface of lift seat and base plate is connected. The utility model discloses a set up a series of structures, make this device can adjust its platform holistic height in a flexible way in the use, reduce the space of junction and strengthen the holistic stability of device, the using-way obtains optimizing.

Description

Adjustable boarding bridge structure

Technical Field

The utility model relates to a lifting machinery technical field specifically is an adjustable step on axle structure.

Background

The dock leveler is bridging equipment used between a forklift and a truck, and is convenient for loading and unloading goods. Maximum dynamic load: 6T, maximum dead load: 6T, maximum width: 2M, maximum length: 4M. There are many categories, generally classified as mobile dock leveler and fixed dock leveler. And (2) conventionally: length 11M, width 2.1M solid tire. The loading and unloading platform is a very easy structure form in modern logistics field. The loading and unloading operation platform is a starting point and a terminal point of an enterprise logistics chain, and is a loading and unloading operation platform for the enterprise to rapidly and safely transfer products and goods. The dock leveler is widely applied to overlap transportation of goods, the height of the dock leveler needs to be flexibly adjusted in a specific occasion to adapt to trucks and forklifts with different heights, the working height of the dock leveler is inconvenient to adjust at the present stage, the use of equipment under a specific condition is affected, the inclination angle of the bridge plate cannot be adjusted, the use adaptability of the dock leveler is reduced, a connection gap often occurs between the dock leveler and the trucks or forklifts, and the goods are unstable in transportation, and moreover, the dock leveler generally uses universal wheels for walking of the dock leveler, but the stability of the universal wheels is poor, so that the equipment is unstable in use, and therefore, the prior art needs to be improved to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable step on axle structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a step on bridge structure with adjustable, includes bridge plate, base plate and the support frame that top-down corresponds the setting, the correspondence is provided with connecting plate and hydraulic telescopic frame about the upper surface of base plate, hydraulic telescopic frame's top and bridge plate's lower fixed surface are connected, the connecting plate is provided with two, another the lower extreme at bridge plate is fixed to the connecting plate, two the connecting plate sets up perpendicularly from top to bottom, and two connect through the mode of round pin axle between the connecting plate, first pneumatic cylinder is installed in proper order to the upper end of support frame, be fixed with the lift seat on the output lever on first pneumatic cylinder top, the lower fixed surface of lift seat and base plate is connected, the recess has been seted up in proper order to the lower extreme of support frame, the second pneumatic cylinder is installed to the inboard of recess, be provided with the universal wheel on the.

Preferably, the upper surface of the bridge plate is uniformly provided with anti-skid ribs.

Preferably, the inside of hydraulic telescoping rack is including the expansion plate of crisscross setting, per two rotate the connection through the mode of pivot between the expansion plate, and adjacent two install the third pneumatic cylinder between the expansion plate.

Preferably, an oil tank is mounted outside the substrate, and the oil tank is connected with the input port of the first hydraulic cylinder, the input port of the second hydraulic cylinder and the input port of the third hydraulic cylinder respectively in an oil conveying pipe mode.

Preferably, the lower end of the support frame is provided with a support seat in sequence.

Preferably, the outside of base plate is fixed with the control box, circuit breaker, treater, relay and terminal row are installed to inside top-down of control box, the inboard right side of control box is provided with power source, and the output of treater is connected with the input of first pneumatic cylinder, the input of second pneumatic cylinder and the input electricity of third pneumatic cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: the device is provided with a series of structures, so that the height of the boarding bridge during working can be flexibly adjusted to adapt to the use requirements of the boarding bridge in different workplaces, the use universality of the boarding bridge is enhanced, the inclination angle of a bridge plate in the device can be flexibly adjusted, the boarding bridge can be matched with a forklift and a truck well for use, a connecting gap between the lapping surfaces of the forklift and the truck is avoided, the goods can be transported conveniently, the use performance is good, meanwhile, the device is provided with a hydraulic telescopic mechanism on a universal wheel at the bottom, the height of the universal wheel can be adjusted upwards when the device does not need to be moved, a supporting seat is contacted with the ground, the stability of the device during use is enhanced, the device cannot shake, the problems that the inclination angle of the bridge plate cannot be adjusted, a platform cannot lift and the stability of the device is poor are solved, and the rotating mechanism and the hydraulic telescopic frame are arranged between the bridge plate and a base plate, when the height of the hydraulic telescopic frame is raised, the pin shaft rotates, the rotating angle of the bridge plate is enlarged, the rotating angle of the bridge plate is reversely reduced, the first hydraulic cylinder is adjusted when necessary, the base plate is lifted or reduced, the overall use height of the adjusting device is further adjusted, the use is flexible, and many problems existing in the use of the boarding bridge in the current stage can be well solved.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;

fig. 3 is a schematic structural view of a hydraulic telescopic frame of the present invention;

fig. 4 is a schematic diagram of the internal structure of the middle control box of the present invention.

In the figure: 1. a bridge plate; 2. anti-skid wales; 3. a hydraulic telescopic frame; 4. a pin shaft; 5. a control box; 6. a connecting plate; 7. a substrate; 8. a lifting seat; 9. a first hydraulic cylinder; 10. a support frame; 11. an oil tank; 12. a supporting seat; 13. a groove; 14. a second hydraulic cylinder; 15. a universal wheel; 16. a retractable plate; 17. a rotating shaft; 18. a third hydraulic cylinder; 19. a circuit breaker; 20. a processor; 21. a relay; 22. a terminal block; 23. and a power interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an adjustable boarding bridge structure comprises a bridge body plate 1, a base plate 7 and a support frame 10 which are correspondingly arranged from top to bottom, wherein the left and right sides of the upper surface of the base plate 7 are correspondingly provided with two connecting plates 6 and two hydraulic expansion brackets 3, the top end of each hydraulic expansion bracket 3 is fixedly connected with the lower surface of the bridge body plate 1, the height of one end of the bridge body plate 1 can be adjusted in a mode of the hydraulic expansion bracket 3 during working, the two connecting plates 6 are arranged, the other connecting plate 6 is fixed at the lower end of the bridge body plate 1, the two connecting plates 6 are vertically arranged, the two connecting plates 6 are connected through a pin shaft 4, the pin shaft 4 can facilitate the rotation of the other end of the bridge body plate 1 so as to adjust the integral inclination angle of the bridge body plate 1, the upper end of the support frame 10 is sequentially provided with a first hydraulic cylinder 9, a lifting seat 8 is fixed on an, the operating condition of first pneumatic cylinder 9 can be adjusted in the during operation, raises or the height of base plate 7, and then adjusting device's whole operating height, adapts to the operational requirement under the different conditions, strengthens its use commonality to the recess 13 has been seted up in proper order to the lower extreme of support frame 10, and second pneumatic cylinder 14 is installed to the inboard of recess 13, is provided with universal wheel 15 on the piston rod of second pneumatic cylinder 14 lower extreme, the adjustment of the 15 heights of universal wheel of being convenient for.

Further, the upper surface of the bridge body plate 1 is uniformly provided with anti-skidding convex patterns 2, so that the stability of goods during transportation is enhanced.

Further, the inside of hydraulic telescoping rack 3 is including the expansion plate 16 of crisscross setting, rotates through the mode of pivot 17 between per two expansion plates 16 to be connected, and the rotation of expansion plate 16 of being convenient for, and installs third pneumatic cylinder 18 between two adjacent expansion plates 16, and during operation third pneumatic cylinder 18 can change the inclination of expansion plate 16, and then adjusts hydraulic telescoping rack 3's overall height.

Further, an oil tank 11 is installed outside the base plate 7, and the oil tank 11 is connected to the input port of the first hydraulic cylinder 9, the input port of the second hydraulic cylinder 14, and the input port of the third hydraulic cylinder 18 by way of oil pipes, so that hydraulic pumps can be correspondingly installed for the operation of the respective hydraulic cylinders in actual use, which is known in the art.

Further, the lower end of the supporting frame 10 is sequentially provided with a supporting seat 12 for supporting the supporting frame 10.

Further, a control box 5 is fixed outside the substrate 7, a circuit breaker 19, a processor 20, a relay 21 and a terminal block 22 are installed inside the control box 5 from top to bottom, a power interface 23 is arranged on the right side of the inner side of the control box 5, and the output end of the processor 20 is electrically connected with the input end of the first hydraulic cylinder 9, the input end of the second hydraulic cylinder 14 and the input end of the third hydraulic cylinder 18, so that the control of the device is facilitated, wherein the processor 20 is FX-8350.

The working principle is as follows: the device is provided with a bridge body plate 1, a base plate 7 and a support frame 10, a pin shaft 4 and a hydraulic expansion bracket 3 are correspondingly arranged between the bridge body plate 1 and the base plate 7 from left to right, when the inclination angle of the bridge body plate 1 needs to be adjusted, a third hydraulic cylinder 18 inside the hydraulic expansion bracket 3 can be driven, the inclination angle between expansion plates 16 changes, the overall height of the hydraulic expansion bracket 3 is changed, one end of an anti-skid convex pattern 2 rotates around the pin shaft 4, the working height of the bridge body plate 1 is adjusted, the bridge body plate is used by a good matching truck and a forklift, gaps at a joint are reduced, transportation of goods is facilitated, when the device needs to be adjusted in height under specific conditions, the first hydraulic cylinder 9 is driven by a control box 5, the height of the base plate 7 is raised or reduced by a lifting seat 8, the overall working height of the device is adjusted, and the requirement of the device for adjusting, The nimble use of workplace, the commonality and the flexibility of use are stronger, recess 13 is seted up in proper order at the lower extreme of support frame 10 to this device simultaneously, through second pneumatic cylinder 14 mode installation universal wheel 15, when the device work and when need not remove, drive second pneumatic cylinder 14, increase the height of universal wheel 15, make supporting seat 12 and ground contact, and then strengthen the holistic stability of device, be difficult for rocking, wherein first pneumatic cylinder 9, second pneumatic cylinder 14 and third pneumatic cylinder 18 are known prior art, its detailed theory of operation does not describe again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a step on bridge structure with adjustable, includes that top-down corresponds bridge body board (1), base plate (7) and support frame (10) that set up, its characterized in that: the upper surface of the base plate (7) is correspondingly provided with two connecting plates (6) and two hydraulic telescopic frames (3) from left to right, the top end of each hydraulic telescopic frame (3) is fixedly connected with the lower surface of the bridge body plate (1), the two connecting plates (6) are arranged, the other connecting plate (6) is fixed at the lower end of the bridge body plate (1), the two connecting plates (6) are vertically arranged, the two connecting plates (6) are connected through a pin shaft (4), the upper end of the support frame (10) is sequentially provided with a first hydraulic cylinder (9), an output rod at the top end of the first hydraulic cylinder (9) is fixedly provided with a lifting seat (8), the lifting seat (8) is fixedly connected with the lower surface of the base plate (7), the lower end of the support frame (10) is sequentially provided with a groove (13), and the inner side of the groove (13) is provided with a second hydraulic cylinder (, and a piston rod at the lower end of the second hydraulic cylinder (14) is provided with a universal wheel (15).

2. An adjustable boarding bridge structure according to claim 1, characterized in that: the upper surface of the bridge body plate (1) is uniformly provided with anti-skid wales (2).

3. An adjustable boarding bridge structure according to claim 1, characterized in that: the inside of hydraulic telescoping rack (3) is including crisscross expansion plate (16) that sets up, per two rotate the connection through the mode of pivot (17) between expansion plate (16), and adjacent two install third pneumatic cylinder (18) between expansion plate (16).

4. An adjustable boarding bridge structure according to claim 3, characterized in that: an oil tank (11) is mounted outside the base plate (7), and the oil tank (11) is connected with an input port of the first hydraulic cylinder (9), an input port of the second hydraulic cylinder (14) and an input port of the third hydraulic cylinder (18) respectively in an oil conveying pipe mode.

5. An adjustable boarding bridge structure according to claim 1, characterized in that: the lower end of the support frame (10) is sequentially provided with a support seat (12).

6. An adjustable boarding bridge structure according to claim 3, characterized in that: the outside of base plate (7) is fixed with control box (5), circuit breaker (19), treater (20), relay (21) and terminal row (22) are installed to the inside top-down of control box (5), the inboard right side of control box (5) is provided with power source (23), and the output of treater (20) is connected with the input of first pneumatic cylinder (9), the input of second pneumatic cylinder (14) and the input electricity of third pneumatic cylinder (18).