Device for disassembling end cover of hydraulic cylinder by using waste part

By designing a device that includes a support, a motor, a reducer, and a retaining ring, the problem of disassembling the hydraulic cylinder end cap under harsh working conditions was solved, enabling quick and easy end cap removal, improving disassembly efficiency, and reducing costs.

CN223506625UActive Publication Date: 2025-11-04GUIZHOU PANJIANG MINING MACHINERY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423026707.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-04
Estimated Expiration
2034-12-09

Smart Images

  • Figure CN223506625U_ABST
    Figure CN223506625U_ABST
Patent Text Reader

Abstract

The utility model discloses a device for disassembling an end cover of a hydraulic cylinder by using waste parts, and belongs to the technical field of hydraulic cylinder maintenance devices. The device comprises a support, a motor, a speed reducer and a positioning clamping table are sequentially mounted on the support; an output shaft of the motor is connected into the speed reducer; a cantilever-shaped hollow rotary drum is arranged at the output end of the speed reducer; a clamping ring is further arranged at the extending end of the hollow rotary drum; the fixed end of the to-be-disassembled hydraulic cylinder is clamped on the positioning clamping table, the extending end of the to-be-disassembled hydraulic cylinder is inserted into an inner cavity of the hollow rotary drum to be arranged, and an end cover of the to-be-disassembled hydraulic cylinder can be clamped in the clamping ring; the hydraulic cylinder end cover dismounting device effectively solves the problem that a device capable of effectively dismounting the hydraulic cylinder end cover is lacked when a hydraulic cylinder working under severe working conditions is maintained at present.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder maintenance device technical field, concretely relates to a device of split hydraulic cylinder end cover with scrap. BACKGROUND

[0002] In the mine equipment, hydraulic cylinder is a kind of widely used power piece, especially need to use a lot of small and medium-sized hydraulic cylinder with the outer diameter less than 30cm;And when disassembling and maintaining hydraulic cylinder, one of the processes needs to be taken down after its end cover is rotated;But due to the poor working environment of hydraulic cylinder under the mine, it is difficult to take down the end cover by conventional tools, which is the main problem currently faced. UTILITARIAN CONTENT

[0003] The utility model solves the technical problems that: provide a device of split hydraulic cylinder end cover with scrap, to solve the problem that there is no device that can effectively disassemble the hydraulic cylinder end cover when maintaining the hydraulic cylinder working in harsh conditions.

[0004] To solve the above problems, the utility model provides the following technical scheme:

[0005] A device for splitting hydraulic cylinder end cover with scrap;It includes support;Motor, speed reducer and positioning clamp are sequentially installed on the support;The output shaft of motor is connected to the speed reducer;A hollow rotating drum in the form of cantilever is arranged on the output end of speed reducer;A snap ring is further arranged on the protruding end of hollow rotating drum;The fixed end of the hydraulic cylinder to be disassembled is clamped on the positioning clamp, and the protruding end is inserted into the inner cavity of hollow rotating drum for setting, and the end cover of the hydraulic cylinder to be disassembled can be clamped in the snap ring.

[0006] Preferably, a guide rail is arranged on the top of the support;The positioning clamp can move along the length direction of the support on the guide rail, and a locking member for limiting the movement of the positioning clamp relative to the support is further arranged on the positioning clamp.

[0007] Preferably, the positioning clamp includes a base;A top seat is installed on the base;An arc-shaped groove for placing the hydraulic cylinder to be disassembled is opened in the middle position of the top surface of top seat;A pressing plate is hingedly installed on the side of top seat;A hydraulic support rod is further arranged on the base;The hydraulic support rod can be telescopic along the vertical direction;The top of hydraulic support rod is hingedly connected with pressing plate.

[0008] Further, the base is a Z-shaped folded plate member, and a spacer plate for adjusting the height of top seat is detachably arranged between the base and top seat.

[0009] Further, the pressing plate is a single-side clamp structure; one end of the pressing plate is hingedly connected to the top of the base near one side end surface thereof; an ear plate with a positioning hole is arranged on the other end side surface of the base and the extending end of the pressing plate; the fixed end and the extending end of the hydraulic supporting rod are respectively hingedly installed at the corresponding ear plate positions.

[0010] Preferably, the hollow rotating cylinder comprises a rotating sleeve connected to the output end of the speed reducer; a stepped cylinder is detachably installed at the front end of the rotating sleeve; the large-diameter end of the stepped cylinder is connected to the rotating sleeve, and a clamping ring is detachably installed at the large-diameter end side of the stepped cylinder.

[0011] Preferably, the clamping ring is a flange ring structure, and a plurality of clamping teeth are arranged on the inner side of the clamping ring.

[0012] The utility model discloses beneficial effects:

[0013] The utility model discloses a device capable of quickly disassembling the end cover of the hydraulic cylinder, which adjusts the rotating speed through the motor output power and the speed reducer, and hollow rotating cylinders are arranged on the speed reducer, so that the extending end of the hydraulic cylinder to be disassembled clamped on the clamping table can be inserted into the hollow rotating cylinder, and the end cover of the fixed end is clamped by the clamping ring on the end side of the hollow rotating cylinder, thereby driving the end cover to rotate and rotating it out of the hydraulic cylinder; all components are easy to obtain, the processing cost is low, and even the common waste equipment in the maintenance factory can be directly used for assembly, so that the operation is simple, easy to maintain and overhaul, and the working efficiency of disassembly can be greatly improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0015] Figure 2 It is Figure 1 A-A direction sectional view in

[0016] Mark explanation: 1, support, 2, motor, 3, speed reducer, 4, positioning clamping table, 41, base, 42, top seat, 43, pressing plate, 44, hydraulic supporting rod, 5, hollow rotating cylinder, 51, rotating sleeve, 52, stepped cylinder, 6, clamping ring, 7, hydraulic cylinder to be disassembled. DETAILED DESCRIPTION

[0017] The utility model will be further introduced in combination with the drawings and specific embodiments:

[0018] Embodiment:

[0019] Reference Figure 1The embodiment provides a device for splitting hydraulic cylinder end cover by using waste parts; it comprises a support 1; a motor 2, a speed reducer 3 and a positioning clamp table 4 are sequentially arranged on the support 1; the output shaft of the motor 2 is connected to the speed reducer 3; a hollow rotating drum 5 in the shape of a cantilever is arranged on the output end of the speed reducer 3; a snap ring 6 is further arranged on the extending end of the hollow rotating drum 5; the fixed end of a hydraulic cylinder 7 to be disassembled is clamped on the positioning clamp table 4, the extending end of the hydraulic cylinder 7 to be disassembled is arranged by being inserted into the inner cavity of the hollow rotating drum 5, and the end cover of the hydraulic cylinder 7 to be disassembled can be clamped in the snap ring 6. In the embodiment, the motor 2 and the speed reducer 3 are both waste models in the factory, the hollow rotating drum 5 is assembled by using a chuck matched with a stepped sleeve disassembled from a scrapped small lathe, and the motor is powered by an external power supply.

[0020] A guide rail is arranged on the top of the support 1; the positioning clamp table 4 can move along the length direction of the support 1 on the guide rail, and a locking piece for limiting the movement of the positioning clamp table 4 relative to the support 1 is further arranged on the positioning clamp table 4.

[0021] The positioning clamp table 4 comprises a bottom table 41; a top table 42 is arranged on the bottom table 41; an arc-shaped groove for placing the hydraulic cylinder to be disassembled is formed in the middle position of the top surface of the top table 42; a pressing plate 43 is hingedly arranged on the side of the top table 42; a hydraulic supporting rod 44 is further arranged on the bottom table 41; the hydraulic supporting rod 44 can be vertically extended and retracted; the top of the hydraulic supporting rod 44 is hingedly connected with the pressing plate 43.

[0022] The bottom table 41 is a fold plate-shaped component in the shape of a Chinese character 'fang'; a spacer plate for adjusting the height of the top table 42 is detachably arranged between the bottom table 41 and the top table 42. In the embodiment, the spacer plate is not shown in the drawing.

[0023] The pressing plate 43 is a single-side clamp structure; one end of the pressing plate 43 is hingedly arranged on the top of the bottom table 41 near one side end surface; an ear plate with a positioning hole is arranged on the other end side surface of the bottom table 41 and the extending end of the pressing plate 43; the fixed end and the extending end of the hydraulic supporting rod 44 are hingedly arranged at the corresponding ear plate positions.

[0024] The hollow rotating drum 5 comprises a rotating sleeve 51 connected to the output end of the speed reducer 3; a stepped sleeve 52 is detachably arranged on the front end of the rotating sleeve 51; the large-diameter end of the stepped sleeve 52 is connected with the rotating sleeve 51, and the snap ring 6 is detachably arranged on the large-diameter end side of the stepped sleeve 52.

[0025] The snap ring 6 is a flange ring structure, and a plurality of clamping teeth 7 are arranged on the inner side of the snap ring.

[0026] In use of the utility model device in the embodiment, only the extension end of the hydraulic cylinder to be disassembled is inserted into the hollow rotating drum and the fixed end is placed on the positioning clamp table; thereafter, the position of the hydraulic cylinder to be disassembled is adjusted, the end cover on the front side of the fixed end is clamped on the clamping ring of the clamping ring hollow rotating drum, and the rear side of the fixed end is knocked to ensure the reliable connection between the end cover and the clamping ring; thereafter, the hydraulic support rod control pressing plate clamps the hydraulic cylinder to be disassembled, the power supply of the motor is connected, the motor drives the hollow rotating drum to rotate through the speed reducer, at this time, the clamping ring will synchronously drive the end cover clamped thereby to rotate, thereby the end cover is rotated out of the hydraulic cylinder.

Claims

1. A device for disassembling hydraulic cylinder end caps using scrap parts, characterized in that: It includes support (1), motor (2), speed reducer (3) and positioning clamp table (4) are installed on support (1) in turn, the output shaft of motor (2) is connected to speed reducer (3), hollow rotating drum (5) is arranged on the output end of speed reducer (3) in cantilever shape, clamping ring (6) is further arranged on the extending end of hollow rotating drum (5), the fixed end of hydraulic cylinder (7) to be disassembled is clamped on positioning clamp table (4), its extending end is inserted into the inner cavity of hollow rotating drum (5) for setting, and the end cover of hydraulic cylinder (7) to be disassembled can be clamped in clamping ring (6).

2. A device for disassembling an end cover of a hydraulic cylinder using scrap pieces according to claim 1, characterized in that: The top of support (1) is provided with guide rail, positioning clamp table (4) can move along the length direction of support (1) on guide rail, and locking member for limiting the movement of positioning clamp table (4) relative to support (1) is further arranged on positioning clamp table (4).

3. The apparatus for disassembling the end cover of the hydraulic cylinder using the scrap piece according to claim 1, wherein: Positioning clamp table (4) includes bottom table (41), top seat (42) is installed on bottom table (41), arc-shaped groove for placing hydraulic cylinder to be disassembled is opened in the middle position of the top surface of top seat (42), pressing plate (43) is hingedly installed on the side of top seat (42), hydraulic support rod (44) is further arranged on bottom table (41), hydraulic support rod (44) can be vertically telescopic, the top of hydraulic support rod (44) is hingedly connected with pressing plate (43).

4. A device for disassembling the end cap of a hydraulic cylinder using scrap pieces according to claim 3, characterized in that: Bottom table (41) is a fold plate shaped member, and spacer plate for adjusting the height of top seat (42) is detachably arranged between bottom table (41) and top seat (42).

5. A device for disassembling the end cap of a hydraulic cylinder using scrap pieces according to claim 4, characterized in that: Pressing plate (43) is a single-sided clamp structure, one end of pressing plate (43) is hingedly connected to the top of bottom table (41) near one side end surface position, ear plate with positioning hole is arranged on the other end side surface of bottom table (41) and the extending end of pressing plate (43), the fixed end and the extending end of hydraulic support rod (44) are hingedly installed at the corresponding ear plate positions.

6. The apparatus for disassembling the end cap of the hydraulic cylinder using the scrap piece according to claim 1, wherein: Hollow rotating drum (5) includes rotating sleeve (51) connected to the output end of speed reducer (3), step cylinder (52) is detachably installed on the front end of rotating sleeve (51), the large diameter end of step cylinder (52) is connected with rotating sleeve (51), and clamping ring (6) is detachably installed on the large diameter end side of step cylinder (52).

7. The apparatus for disassembling the end cap of the hydraulic cylinder using the scrap piece according to claim 1, wherein: Clamping ring (6) is a flange ring structure, a plurality of clamping teeth are arranged on the inner side of clamping ring.