Auxiliary trolley for disassembling oil cylinder

By designing an auxiliary trolley for dismantling the cylinder and using cylinder clamp components and lifting and hoisting components, the problem of large lifting equipment required for installation and dismantling of large hydraulic cylinders is solved, and low-cost handling operations are achieved.

CN223455452UActive Publication Date: 2025-10-21CHINESE PEOPLES LIBERATION ARMY UNIT 96762
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Patent Information

Application Number
CN202422944340.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In the prior art, the installation and disassembly of large hydraulic cylinders requires the use of large lifting equipment, resulting in high installation and labor costs.

Method used

An auxiliary trolley including a frame, a lifting assembly, a cylinder fixing frame and a lifting assembly is designed. The cylinder is fixed by the cylinder clamp assembly and transported by universal wheels. The cylinder is installed and removed by the lifting and lifting assemblies.

Benefits of technology

The installation and removal of the oil cylinder does not require large lifting equipment, which reduces installation and labor costs, has a simple structure and is easy to use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223455452U_ABST
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Abstract

An auxiliary trolley for disassembling an oil cylinder relates to an auxiliary trolley and comprises a frame, a lifting assembly, an oil cylinder fixing frame and a lifting assembly, the frame comprises a horizontal bottom plate and a vertical square frame which are integrally arranged, the oil cylinder fixing frame is fixed on a base plate on the horizontal bottom plate, the lifting assembly is arranged in front of the square frame, and the lifting assembly is arranged in front of the square frame. The hoisting assembly in front of the lifting assembly corresponds to the oil cylinder fixing frame up and down; the oil cylinder fixing frame comprises oil cylinder clamp assemblies and stand columns on the two sides, the oil cylinder clamp assemblies are fixed to the middles and the tops of the stand columns on the two sides, the oil cylinder clamp assemblies are of a half-and-half connecting structure, and connecting parts on the two sides of the two half-and-half connecting structure are fixedly connected through bolts B. Fixing blocks are fixed to the lower portions of the oil cylinder clamp assemblies at intervals. Bolts are arranged on the fixing blocks in a penetrating mode, and the inner ends of the bolts abut against the outer face of an oil cylinder in the oil cylinder hoop assembly. The hydraulic oil cylinder carrying device is simple and compact in structure and convenient to use, and carrying work of the hydraulic oil cylinder during mounting and dismounting is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an auxiliary trolley, especially an auxiliary trolley for disassembling an oil cylinder. BACKGROUND

[0002] It is known that large hydraulic cylinders can realize larger acting force and are widely used in the field of engineering machinery, etc. Since the large hydraulic cylinders are relatively heavy, the installation personnel usually need to use large lifting equipment to complete the carrying work during the installation and disassembly of the large hydraulic cylinders. Obviously, the use of the large lifting equipment inevitably brings higher installation cost and labor cost. Therefore, it is a basic demand of the person skilled in the art to provide an auxiliary trolley which is convenient to use and can realize the carrying work during the installation and disassembly of the hydraulic cylinder. SUMMARY

[0003] In order to overcome the deficiencies in the background art, the utility model discloses an auxiliary trolley for disassembling an oil cylinder.

[0004] In order to realize the object of the application, the utility model adopts the following technical scheme:

[0005] An auxiliary trolley for disassembling an oil cylinder, comprising a frame, a lifting assembly, an oil cylinder fixing frame and a hoisting assembly, the frame is arranged in an L shape and comprises a horizontal bottom plate and a vertical square frame arranged integrally, the oil cylinder fixing frame is fixed on a pad above the horizontal bottom plate, the lifting assembly is arranged on the front of the square frame, and the hoisting assembly in front of the lifting assembly is arranged in correspondence with the oil cylinder fixing frame up and down; the oil cylinder fixing frame comprises an oil cylinder clamp assembly and two side columns, the lower end of the two side columns extends a horizontally arranged semicircular ring, the middle and top of the two side columns are fixed with the oil cylinder clamp assembly, the oil cylinder clamp assembly is a half-connection structure, the two side connecting parts of the two half structures are fixedly connected through a bolt B, and a steel wire rope C is connected between the two bolts B on the upper and lower sides, a fixing block is fixed at intervals on the lower part of the oil cylinder clamp assembly, a bolt is threaded on the fixing block, a handle is fixed on the outer end of the bolt, and the inner end of the bolt is tightly pressed on the outside of the oil cylinder in the oil cylinder clamp assembly.

[0006] The auxiliary trolley for disassembling an oil cylinder, the lifting assembly comprises a linear guide rail assembly, a lifting support plate, a stroke stop plate and a lead screw lifter, a fixed plate is connected to the middle of the square frame, the lead screw lifter is fixed on the fixed plate, the sliding rails of the linear guide rail assembly are fixed on the front of the two sides of the square frame respectively, the rear sides of the two sides of the lifting support plate are fixedly connected with the sliding blocks of the linear guide rail assembly, the lifting support plate slides on the sliding rails through the sliding blocks, the rear middle part of the lifting support plate is fixedly connected with the nut seat on the lead screw of the lead screw lifter, and the stroke stop plate is fixed on the upper part of the front of the square frame and located on the upper end face of the sliding rails.

[0007] The auxiliary trolley for disassembling the oil cylinder, the hoisting assembly comprises a vertical plate and an ear plate extending outward on the vertical plate, a steel wire rope B is connected in an ear plate hole of the ear plate, a lifting hook is fixed on the steel wire rope B, and the lifting hook is connected with lifting rings on two sides of the upper end of the oil cylinder.

[0008] The auxiliary trolley for disassembling the oil cylinder, universal wheels are fixed on four corners of the bottom surface of the frame through screws A, and the two universal wheels on any side are universal wheels with brakes.

[0009] The auxiliary trolley for disassembling the oil cylinder, a pad plate is fixed on the upper surface of the horizontal bottom plate through screws B, and semicircular recesses are arranged in the middle of the front surface of the horizontal bottom plate and the middle of the front surface of the pad plate.

[0010] The auxiliary trolley for disassembling the oil cylinder, square tube type oil cylinder supports are fixed on the semicircular annular surfaces extending from the lower ends of the two side columns, and latches A are vertically arranged on the two sides of the oil cylinder supports.

[0011] The auxiliary trolley for disassembling the oil cylinder, handles are arranged on the rear surface of the square frame.

[0012] Due to the adoption of the above technical scheme, the auxiliary trolley for disassembling the oil cylinder has the following beneficial effects:

[0013] The auxiliary trolley for disassembling the oil cylinder of the utility model, through the oil cylinder clamp assembly arranged on the oil cylinder fixing frame, the oil cylinder is tightly held, and the oil cylinder is tightly fixed in the oil cylinder clamp assembly through the bolt below the oil cylinder clamp; the oil cylinder is transported through the universal wheel; when the oil cylinder needs to be installed and disassembled and hoisted, the hand wheel on the screw rod lifter is rotated to drive the lifting support plate to go up or down. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a side surface structure schematic view of the utility model.

[0015] Fig. 2 is a three-dimensional structure schematic view of the utility model.

[0016] In the figure: 1, universal wheel; 2, screw A; 3, frame; 4, pad; 5, screw B; 6, oil cylinder fixing frame; 7, oil cylinder support; 8, bolt A; 9, steel wire rope A; 10, oil cylinder clamp assembly; 11, bolt B; 12, lifting hook; 13, steel wire rope B; 14, vertical plate; 15, screw C; 16, inclined support; 17, handle; 18, lifting support plate; 19, screw D; 20, stroke stop plate; 21, linear guide rail assembly; 22, screw lifting machine; 23, hand wheel; 24, handle; 25, slide rail; 26, sliding block; 27, lug plate. DETAILED DESCRIPTION

[0017] The utility model can be explained in detail by the following examples, the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0018] The drawings are attached Figs. 1-2The auxiliary trolley for disassembling the oil cylinder includes a frame 3, a lifting assembly, a cylinder fixing frame 6 and a lifting assembly. The frame 3 is set in an L shape, including an integral horizontal bottom plate and a vertical square frame. Diagonal supports 16 are provided on both sides between the horizontal bottom plate and the square frame. The oil cylinder fixing frame 6 is fixed on the pad 4 above the horizontal bottom plate. A lifting assembly is provided in front of the square frame. The lifting assembly in front of the lifting assembly is arranged in correspondence with the oil cylinder fixing frame 6 up and down; the oil cylinder fixing frame 6 includes a cylinder clamp assembly 10 and columns on both sides. , a horizontally arranged semicircular ring extends from the lower end of the two side columns, and the middle and top of the two side columns are fixed with a cylinder clamp assembly 10. The cylinder clamp assembly 10 is a half-connection structure. The two side connection parts of the two half structures are fixedly connected by a bolt B11, and a wire rope C is connected between the upper and lower bolts B11. The wire rope C is used to prevent the upper and lower bolts B11 from escaping. Fixed blocks are fixed at intervals at the lower part of the cylinder clamp assembly 10, and bolts are passed through the fixed blocks. The outer end of the bolt is fixed with a handle 17. The bolt The inner end of the cylinder is tightened against the outside of the oil cylinder in the cylinder clamp assembly 10; the lifting assembly includes a linear guide assembly 21, a lifting support plate 18, a travel baffle 20 and a screw lift 22. A fixed plate is connected to the middle of the square frame, and the screw lift 22 is fixed on the fixed plate. The slide rails 25 of the linear guide assembly 21 are respectively fixed to the front of both sides of the square frame, and the rear sides of the lifting support plate 18 are fixedly connected to the sliders 26 of the linear guide assembly 21. The lifting support plate 18 slides on the slide rails 25 through the sliders 26. The lifting support plate 1 The middle part of the rear of 8 is fixedly connected to the nut seat on the screw rod of the screw elevator 22, and the travel baffle 20 is fixed to the upper front part of the square frame, and is located on the upper end surface of the slide rail 25 and is fixed by the screw D19; the lifting assembly includes a vertical plate 14 and an ear plate 27 extending outward from the vertical plate 14, and a wire rope B13 is connected to the ear plate hole of the ear plate 27, and a hook 12 is fixed on the wire rope B13, and the hook 12 is respectively connected to the lifting rings on both sides of the upper end of the cylinder, and the vertical plate 14 is fixed to the front of the lifting support plate 18 by the screw C15.

[0019] Furthermore, universal wheels 1 fixed by screws A2 are provided at the four corners of the bottom surface of the frame 3. The two universal wheels 1 on either side are universal wheels with brakes. Handles 24 are provided on both sides of the back of the square frame. When walking is required, the staff pushes the handles to push and pull the auxiliary trolley back and forth to complete the forward and backward movement of the auxiliary trolley. When it needs to be fixed, the brakes of the universal wheels with brakes are stepped on to prevent the trolley from slipping.

[0020] Furthermore, a backing plate 4 fixed by screws B5 is provided on the upper surface of the horizontal bottom plate, and a semicircular depression is provided in the middle of the front surface of the horizontal bottom plate and the middle of the front surface of the backing plate 4.

[0021] Further, the oil cylinder support 7 of square tube type is fixed on the semicircular surface extended from the lower end of the two side columns, and the bolt A8 is vertically arranged on both sides of the oil cylinder support 7, the lower end of the bolt A8 is fixed on the semicircular surface of the lower end of the two side columns, and the steel wire rope A9 is arranged between the upper end hole of the bolt A8 and the connecting lug fixed on the inner surface of the lower part of the two side columns, so that the bolt A8 is prevented from loosening and falling out of the oil cylinder support 7.

[0022] The auxiliary trolley for disassembling the oil cylinder is used for carrying the large hydraulic oil cylinder, the bolt B11 on the oil cylinder clamp assembly 10 is taken out, the oil cylinder clamp assembly 10 is opened, the auxiliary trolley is pushed, the large hydraulic oil cylinder enters the oil cylinder clamp assembly 10, the bottom of the large hydraulic oil cylinder is located on the upper part of the oil cylinder support 7, the oil cylinder clamp assembly 10 is closed again, the handle 17 is screwed, the inner end of the bolt is tightly pressed on the outside of the large hydraulic oil cylinder, the fastening effect is achieved, the auxiliary trolley is pushed again to carry the large hydraulic oil cylinder to the installation working position, when the large hydraulic oil cylinder is installed, the lifting hook 12 is connected with the lifting ring on the upper end of the large hydraulic oil cylinder, the handle 17 is loosened, the oil cylinder clamp assembly 10 is opened, the hand wheel 23 is rotated clockwise, the lifting supporting plate 18 is raised along the slide rail 25, the large hydraulic oil cylinder in the oil cylinder clamp assembly 10 is lifted out, and the large hydraulic oil cylinder is installed.

[0023] The part not described in the utility model is the prior art.

[0024] In order to disclose the invention purpose of the utility model, the embodiments selected in the text are currently considered to be appropriate, but it should be understood that the utility model aims to include all changes and improvements of all embodiments within the scope of the concept and utility model.

Claims

1. An auxiliary trolley for disassembling a hydraulic cylinder, comprising a trolley frame, a lifting assembly, a hydraulic cylinder fixing frame and a hoisting assembly, characterized in that: The frame is provided with a horizontal bottom plate and a vertical square frame, the oil cylinder fixing frame is fixed on the pad above the horizontal bottom plate, the lifting assembly is arranged at the front of the square frame, and the lifting assembly is arranged in correspondence with the oil cylinder fixing frame.

2. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that: The lifting assembly comprises a linear guide rail assembly, a lifting support plate, a stroke stopper and a screw lifting machine, the fixed plate is connected to the middle of the square frame, the screw lifting machine is fixed on the fixed plate, the sliding rails of the linear guide rail assembly are respectively fixed on the front sides of the square frame, the rear sides of the lifting support plate are fixedly connected with the sliding blocks of the linear guide rail assembly, the lifting support plate slides on the sliding rails through the sliding blocks, the middle part of the rear side of the lifting support plate is fixedly connected with the nut seat on the screw rod of the screw lifting machine, and the stroke stopper is fixed on the upper part of the front side of the square frame and located on the upper end surface of the sliding rails.

3. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that: The lifting assembly comprises a vertical plate and an ear plate extending outward from the vertical plate, the steel wire rope B is connected in the ear plate hole of the ear plate, the lifting hook is fixed on the steel wire rope B, and the lifting hook is connected with the lifting rings on the two sides of the upper end of the oil cylinder.

4. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that: Universal wheels are fixed on the bottom surface of the frame through the screws A, and the two universal wheels on any side are provided with brakes.

5. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that: The pad is fixed on the upper surface of the horizontal bottom plate through the screws B, and the semicircular recesses are arranged on the middle parts of the front sides of the horizontal bottom plate and the pad.

6. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that in The square tube type oil cylinder support is fixed on the semicircular ring surface extending from the lower end of the two side columns, the insertion pins A are vertically arranged on the two sides of the oil cylinder support, the lower end of the insertion pin A is fixed on the semicircular ring at the lower end of the two side columns, and the steel wire rope A is arranged between the upper end hole of the insertion pin A and the connecting ears fixed on the inner surfaces of the lower parts of the two side columns.

7. The auxiliary trolley for dismounting the oil cylinder according to claim 1, characterized in that: Handles are arranged on the rear sides of the square frame.