Hydraulic lifting bridge for engineering machinery

Abstract

The utility model discloses a hydraulic lifting bridge for engineering machinery, which relates to the technical field of hydraulic lifting bridges and comprises an adjusting component and a protective component. The number of the adjusting assemblies is two, each adjusting assembly comprises a fixing base, a first connecting base, a lifting bridge body, a fixing column, a supporting pipe and a corner column, the first connecting base is arranged on one side of the bottom end of the fixing base, and the lifting bridge body is hinged to the bottom of the first connecting base; the hydraulic lifting bridge has the advantages that the lifting bridge body can rotate by controlling the length of the telescopic end of the electric hydraulic cylinder, so that the height of the hydraulic lifting bridge of the engineering machinery is adjusted, the corner columns are connected to the interiors of the supporting pipes in a sliding mode and connected with the axles, and the height of the hydraulic lifting bridge is adjusted by adjusting the extending length of the corner columns. The distance between the two hubs can be adjusted, and the adjusting mode is more flexible.

Description

Technical Field

[0001] The utility model relates to a hydraulic lifting bridge, in particular to a hydraulic lifting bridge for engineering machinery, and belongs to the technical field of hydraulic lifting bridges. Background Art

[0002] With the advancement of science and technology and the development of engineering needs, automotive engineering machinery plays an increasingly important role in various engineering fields. Among them, hydraulic lifting axles are an important part of automotive engineering machinery, which are used to realize the functions of lifting, transporting and operating engineering vehicles. However, the existing hydraulic lifting axles for automotive engineering machinery have some problems and shortcomings;

[0003] However, the distance between the two wheel hubs cannot be flexibly adjusted after the existing engineering machinery is hydraulically fixed, and the application range is relatively narrow. Therefore, a hydraulic lifting axle of engineering machinery is needed. Utility Model Content

[0004] The utility model aims to provide a hydraulic lifting axle of an engineering machinery to solve the problem in the above background technology that the distance between two wheel hubs of the existing engineering machinery cannot be flexibly adjusted after being hydraulically fixed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic lifting bridge of engineering machinery, including an adjustment component and a protective component; two adjustment components are provided, each of the adjustment components includes a fixed seat, a first connecting seat, a lifting bridge body, a fixed column, a support tube and a corner column, a first connecting seat is provided on one side of the bottom end of the fixed seat, the bottom of the first connecting seat is hingedly connected to the lifting bridge body, a fixed column is provided on one side of the top end of the lifting bridge body, a support tube is provided at one end of the fixed column, and a corner column is slidably connected inside the support tube; the protective component includes a first mounting ring and a corrugated protective tube, the first mounting ring is provided on one side of the surface of the corner column, and the corrugated protective tube is provided at one end of the first mounting ring.

[0006] As a preferred technical solution of the utility model, a second connecting seat is provided on the other side of the bottom end of the fixed seat, the bottom of the second connecting seat is hingedly connected to an electric hydraulic cylinder, a mounting groove is opened in the middle of the lifting bridge body, the inside of the mounting groove is hingedly connected to a connecting column, the telescopic end of the electric hydraulic cylinder is fixedly connected to the surface of the connecting column, and a reinforcement rod is provided between one end of the lifting bridge body and the surface of the fixed column.

[0007] As a preferred technical solution of the utility model, the surface of the support tube is threadedly connected with a first locking bolt, and the middle of the corner column is provided with a plurality of screw holes matching the first locking bolt.

[0008] As a preferred technical solution of the utility model, a connecting ring is provided at one end of the corrugated protective tube, and two upper and lower corresponding connecting blocks are provided at one end of the connecting ring.

[0009] As a preferred technical solution of the utility model, an axle is provided at one end of the corner column, a wheel hub is provided at one end of the axle, a second mounting ring is provided on one side of the surface of the support tube, connecting holes are provided on the surface of the second mounting ring and the surface of the connecting block, and a second locking bolt is threadedly connected between every two corresponding connecting holes.

[0010] As a preferred technical solution of the utility model, a fixing frame is arranged between the two fixing columns.

[0011] As a preferred technical solution of the utility model, a fixing hole is provided on the surface of the fixing seat.

[0012] Compared with the related art, the hydraulic lifting bridge of engineering machinery provided by the utility model has the following beneficial effects:

[0013] By controlling the length of the telescopic end of the electric hydraulic cylinder, the lifting bridge body can be rotated, thereby realizing the height adjustment of the hydraulic lifting bridge of the construction machinery. A corner column is slidably connected to the inside of each supporting tube, and the corner column is connected to the axle. By adjusting the length of the extended corner column, the distance between the two wheel hubs can be adjusted. The adjustment method is more flexible. The corrugated protective tube can prevent foreign objects from entering the screw holes during the driving of the vehicle, and can adapt to various harsh working environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a front structural schematic diagram of the utility model;

[0016] Figure 3 It is a side structural schematic diagram of the utility model;

[0017] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0018] In the figure: 1. Adjustment component; 11. Fixed seat; 111. First connecting seat; 12. Lifting bridge body; 121. Mounting groove; 122. Connecting column; 123. Reinforcement rod; 13. Second connecting seat; 131. Electric hydraulic cylinder; 14. Fixed column; 15. Support pipe; 151. First locking bolt; 16. Corner column; 161. Screw hole; 17. Axle; 18. Fixing hole; 19. Wheel hub; 2. Protection component; 21. First mounting ring; 22. Corrugated protection tube; 23. Connecting ring; 231. Connecting block; 24. Second mounting ring; 26. Connecting hole; 261. Second locking bolt; 3. Fixing frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] See also Figure 1-4 , the utility model provides a hydraulic lifting bridge for engineering machinery, comprising an adjustment component 1 and a protection component 2;

[0022] Two adjusting components 1 are provided, each of which includes a fixing seat 11, a first connecting seat 111, a lifting bridge body 12, a fixing column 14, a supporting tube 15 and a corner column 16. The first connecting seat 111 is fixedly provided on one side of the bottom end of the fixing seat 11, the bottom of the first connecting seat 111 is hingedly connected to the lifting bridge body 12, the fixing column 14 is fixedly provided on one side of the top end of the lifting bridge body 12, one end of the fixing column 14 is fixedly provided with a supporting tube 15, and the interior of the supporting tube 15 is slidably connected with a corner column 16;

[0023] A second connecting seat 13 is fixedly arranged on the other side of the bottom end of the fixing seat 11, and an electric hydraulic cylinder 131 is hingedly connected to the bottom of the second connecting seat 13. A mounting groove 121 is opened in the middle of the lifting bridge body 12, and a connecting column 122 is hingedly connected inside the mounting groove 121. The telescopic end of the electric hydraulic cylinder 131 is fixedly connected to the surface of the connecting column 122, and a reinforcing rod 123 is fixedly arranged between one end of the lifting bridge body 12 and the surface of the fixing column 14;

[0024] The surface of the support tube 15 is threadedly connected with a first locking bolt 151, and the middle of the corner column 16 is provided with a plurality of screw holes 161 matching the first locking bolt 151;

[0025] A fixing frame 3 is fixedly arranged between the two fixing columns 14, and is used to connect the two adjustment components 1;

[0026] A fixing hole 18 is provided on the surface of the fixing seat 11;

[0027] Specifically, first, the lifting bridge body 12 is hingedly connected to the bottom of the fixed seat 11, and at the same time, the connecting column 122 in the middle of the lifting bridge body 12 and the telescopic end of the electric hydraulic cylinder 131 are connected. By controlling the length of the telescopic end of the electric hydraulic cylinder 131, the lifting bridge body 12 can be rotated, thereby realizing the height adjustment of the hydraulic lifting bridge of the construction machinery.

[0028] Embodiment 2:

[0029] The protection assembly 2 includes a first mounting ring 21 and a corrugated protection tube 22. The first mounting ring 21 is arranged on one side of the surface of the corner column 16. The corrugated protection tube 22 is arranged at one end of the first mounting ring 21.

[0030] A connecting ring 23 is fixedly provided at one end of the corrugated protective tube 22, and two upper and lower corresponding connecting blocks 231 are fixedly provided at one end of the connecting ring 23;

[0031] An axle 17 is provided at one end of the corner column 16, and a wheel hub 19 is provided at one end of the axle 17. A second mounting ring 24 is provided on one side of the surface of the support tube 15. The surface of the second mounting ring 24 and the surface of the connecting block 231 are both provided with connecting holes 26, and a second locking bolt 261 is threadedly connected between every two corresponding connecting holes 26;

[0032] Specifically, first, a corrugated protective tube 22 is provided on one side of the surface of the corner column 16 through a first mounting ring 21. The corrugated protective tube 22 can prevent foreign objects from entering the screw hole 161 during the driving of the vehicle. The corrugated protective tube 22 can be easily adapted to the length of the corner column 16 due to its telescopicity.

[0033] When in use, first install the hydraulic lifting bridge of the construction machinery to a suitable position through the two fixing seats 11, and the lifting bridge body 12 is hingedly connected to the bottom of the fixing seat 11. At the same time, the connecting column 122 in the middle of the lifting bridge body 12 and the telescopic end of the electric hydraulic cylinder 131 can be controlled by controlling the length of the telescopic end of the electric hydraulic cylinder 131 to rotate the lifting bridge body 12, thereby realizing the height adjustment of the hydraulic lifting bridge of the construction machinery. At the same time, the lifting bridge body 12 and the fixing column 14 are reinforced by the reinforcement rod 123. In order to facilitate the flexible adjustment of the distance between the two wheel hubs 19, a corner column 16 is slidably connected to the inside of each support tube 15, and the corner column 1 6 is connected to the axle 17. By adjusting the length of the corner post 16, the distance between the two wheel hubs 19 can be adjusted. The adjustment method is more flexible. After the adjustment is completed, the screw hole 161 corresponding to the corner post 16 is locked by the first locking bolt 151, so as to limit the movement of the diagonal post 16. A corrugated protective tube 22 is provided on one side of the surface of the corner post 16 through the first mounting ring 21. The corrugated protective tube 22 can prevent foreign objects from entering the screw hole 161 during the driving of the vehicle. According to the elasticity of the corrugated protective tube 22, it is convenient to adapt to the length of the corner post 16, and it is locked and fixed through the connecting hole 26 on the surface of the connecting block 231 to prevent it from falling off.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic lifting bridge for construction machinery, characterized in that: include An adjustment assembly (1), wherein two adjustment assemblies (1) are provided, each of the adjustment assemblies (1) comprises a fixing seat (11), a first connecting seat (111), a lifting bridge body (12), a fixing column (14), a support tube (15) and a corner column (16); a first connecting seat (111) is provided on one side of the bottom end of the fixing seat (11); the bottom of the first connecting seat (111) is hingedly connected to the lifting bridge body (12); a fixing column (14) is provided on one side of the top end of the lifting bridge body (12); a support tube (15) is provided at one end of the fixing column (14); and a corner column (16) is slidably connected inside the support tube (15); A protection component (2), the protection component (2) comprising a first mounting ring (21) and a corrugated protection tube (22), the first mounting ring (21) being arranged on one side of the surface of the corner column (16), and the corrugated protection tube (22) being arranged at one end of the first mounting ring (21).

2. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: A second connecting seat (13) is provided on the other side of the bottom end of the fixing seat (11); the bottom of the second connecting seat (13) is hingedly connected to an electric hydraulic cylinder (131); a mounting groove (121) is provided in the middle of the lifting bridge body (12); a connecting column (122) is hingedly connected inside the mounting groove (121); the telescopic end of the electric hydraulic cylinder (131) is fixedly connected to the surface of the connecting column (122); and a reinforcing rod (123) is provided between one end of the lifting bridge body (12) and the surface of the fixing column (14).

3. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: The surface of the support tube (15) is threadedly connected with a first locking bolt (151), and the middle of the corner column (16) is provided with a plurality of screw holes (161) matching the first locking bolt (151).

4. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: A connecting ring (23) is provided at one end of the corrugated protective tube (22), and two upper and lower corresponding connecting blocks (231) are provided at one end of the connecting ring (23).

5. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: An axle (17) is disposed at one end of the corner column (16), and a wheel hub (19) is disposed at one end of the axle (17). A second mounting ring (24) is disposed on one side of the surface of the support tube (15), and connecting holes (26) are provided on the surface of the second mounting ring (24) and the surface of the connecting block (231), and a second locking bolt (261) is threadedly connected between every two corresponding connecting holes (26).

6. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: A fixing frame (3) is arranged between the two fixing columns (14).

7. The hydraulic lifting bridge for construction machinery according to claim 1, characterized in that: A fixing hole (18) is provided on the surface of the fixing seat (11).

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