Quick dismounting and mounting device for piston cylinder sleeve

By designing a piston cylinder liner quick disassembly and assembly device that includes a base, fixing components and a hydraulic system, the problem of repetitive operation required by traditional devices is solved, and efficient and flexible cylinder liner disassembly and assembly are achieved.

CN223848536UActive Publication Date: 2026-01-30FOSHAN GAOCHANG MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520481319.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-30
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Traditional piston cylinder liner removal and installation devices are cumbersome to operate, requiring four repetitions to complete the removal and installation of a four-cylinder engine, resulting in low efficiency.

Method used

It adopts a quick disassembly and assembly device that includes a base, fixed components, moving components and a hydraulic system. The cylinder liners are disassembled and assembled one by one through hydraulic cylinders and electric push rods, avoiding repeated installation and disassembly of the whole device.

Benefits of technology

It improves the efficiency and accuracy of disassembly and assembly, adapts to the needs of different engine cylinder liners, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223848536U_ABST
    Figure CN223848536U_ABST
Patent Text Reader

Abstract

The utility model provides a quick dismounting device for a piston cylinder sleeve, which relates to the technical field of dismounting devices for piston cylinder sleeves and comprises a base, fixing components are arranged on both sides of the top of the base, support columns are fixedly connected to both sides of the top of the base, and movable seats are fixedly connected to the tops of the support columns on both sides. Compared with a traditional piston cylinder sleeve disassembling and assembling device, the piston cylinder sleeve disassembling and assembling device does not need to integrally take down a cylinder sleeve after disassembling the cylinder sleeve and then re-install the cylinder sleeve to disassemble the next cylinder sleeve, by taking a four-cylinder engine as an example, operation needs to be repeated for four times in a traditional method, and the piston cylinder sleeve disassembling and assembling device can disassemble and assemble the cylinder sleeves one by one. The whole device does not need to be repeatedly mounted and dismounted, so that the dismounting and mounting efficiency and accuracy are greatly improved, the whole device is good in adjustability, corresponding position adjustment can be conducted according to the cylinder sleeve distance of engines of different models, and the device can meet the dismounting and mounting requirements of more engine cylinder sleeves of different models.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to piston cylinder sleeve dismounting device technical field especially relates to a piston cylinder sleeve quick dismounting device. BACKGROUND

[0002] The cylinder sleeve is one of the key components of the engine, which directly contacts with the piston and forms part of the combustion chamber. When the cylinder sleeve is damaged, it may cause problems such as poor cylinder sealing, oil leakage, power reduction, and even engine scrap in severe cases. Therefore, dismounting the damaged cylinder sleeve for necessary repair or replacement is a necessary step to restore engine performance.

[0003] The cylinder sleeve needs to use a dismounting device when dismounting. The traditional piston cylinder sleeve quick dismounting device is generally a device composed of a nut, a fixed pressing plate, a screw rod, a stud, and a movable pressing plate. Specifically, one end of the screw rod is connected to the center of the fixed pressing plate with a nut, and the other end is hinged to the movable pressing plate. Three radial slots are evenly opened on the fixed pressing plate, the stud is slightly longer than the length of the cylinder sleeve, the diameter of the fixed pressing plate corresponds to the outer diameter of the piston cylinder body, and the diameter of the movable pressing plate is slightly smaller than the outer diameter of the piston cylinder sleeve. Through the cooperation of the screw rod and the stud, and the hinge design of the movable pressing plate, the device can realize the quick dismounting of the piston cylinder sleeve.

[0004] However, during use of the device, the fixed pressing plate is a key component that provides stable support and positioning. To ensure that the fixed pressing plate can be firmly connected with the engine, a stud is usually used to pass through the slots or holes on the fixed pressing plate, and then a nut is tightened to fix it. In this way, the fixed pressing plate can be tightly attached to the corresponding part of the engine, providing stable support for subsequent dismounting work. After dismounting one of the cylinder sleeves on the engine, the whole device is removed, and the next cylinder sleeve is dismounted. Taking a four-cylinder engine as an example, the above operation needs to be repeated four times, which is too cumbersome and inefficient. Therefore, we propose a piston cylinder sleeve quick dismounting device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a piston cylinder sleeve quick dismounting device to solve the problems raised in the background technology.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A piston cylinder liner quick dismounting device, including a base, the top of the base is provided with a fixed assembly on both sides, the back of the top of the base is fixedly connected with a support column, the top of the support column is fixedly connected with a moving seat, the front of the moving seat is provided with a moving assembly, the front of the moving assembly is provided with an electric push rod, one end of the front of the electric push rod is connected with a mounting seat, the top of the mounting seat is provided with a first hydraulic cylinder, and a movable pressing plate is arranged below the mounting seat.

[0008] As a preferred scheme of the present utility model, the fixed assembly includes a fixed seat, the outer side of the fixed seat is provided with a second hydraulic cylinder, and the inner side wall of the fixed seat is connected with a clamping plate which is extended from the output end of the second hydraulic cylinder.

[0009] As a preferred scheme of the present utility model, the moving assembly includes a moving groove, a lead screw is arranged in the moving groove, and a moving block is threadedly connected with the lead screw.

[0010] As a preferred scheme of the present utility model, the front of the moving block is connected with a connecting seat, and one side of the moving seat is provided with a driving motor.

[0011] As a preferred scheme of the present utility model, the output end of the driving motor is connected with one end of the lead screw.

[0012] As a preferred scheme of the present utility model, the top of the movable pressing plate is provided with a movable seat.

[0013] As a preferred scheme of the present utility model, the first hydraulic cylinder is movably connected with the movable seat.

[0014] Compared with the prior art, the present utility model has the advantages that:

[0015] In the present utility model, compared with the traditional piston cylinder liner dismounting device, the device does not need to be removed after removing a cylinder liner, and then reinstalled to remove the next cylinder liner. Taking a four-cylinder engine as an example, the traditional method needs to be operated four times, while the device can dismount and mount the cylinder liners one by one, without the need to repeatedly install and dismount the whole device, thereby greatly improving the dismounting efficiency and accuracy, and the whole device has good adjustability, can be adjusted in position according to the distance of the cylinder liners of different models of engines, so that the device can adapt to more different models of engine cylinder liner dismounting requirements. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The present utility model provides a whole structure schematic view of a piston cylinder liner quick dismounting device;

[0017] Fig. 2 The present utility model provides a whole structure schematic view of a mounting seat of a piston cylinder liner quick dismounting device;

[0018] Fig. 3 Figure 1 is a schematic view of a piston and cylinder sleeve quick dismounting device according to the present application.

[0019] Legend: 1, base; 2, fixed assembly; 201, fixed seat; 202, second hydraulic cylinder; 203, clamping plate; 3, support column; 4, moving seat; 5, moving assembly; 501, moving groove; 502, screw rod; 503, moving block; 504, connecting seat; 505, driving motor; 6, electric push rod; 601, mounting seat; 602, first hydraulic cylinder; 7, movable pressing plate; 701, movable seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related description, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are used for explanation purposes only.

[0023] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Example 1

[0025] As Figs. 1-3As shown, the utility model provides a technical scheme: a piston cylinder liner quick dismounting device, including base 1, both sides of base 1 top are provided with fixed assembly 2, and fixed assembly 2 includes fixed seat 201, and both sides fixed seat 201 outside are provided with second hydraulic cylinder 202, and second hydraulic cylinder 202 output end extends out fixed seat 201 inner side wall and is connected with clamping plate 203, when carrying out dismounting treatment to engine piston cylinder liner, the engine that is dismounted is placed on base 1, and the work of second hydraulic cylinder 202 outside fixed seat 201 in fixed assembly 2 is driven, and clamping plate 203 is moved, and the engine is fixed, to facilitate subsequent piston cylinder liner dismounting treatment.

[0026] Example 2

[0027] As Figs. 1-3As shown, a piston cylinder liner quick dismounting device, the top of the base 1 both sides back face is fixedly connected with support column 3, both sides support column 3 top fixedly connected with moving seat 4, moving seat 4 front is provided with moving assembly 5, moving assembly 5 front is provided with electric push rod 6, electric push rod 6 front end is connected with mounting seat 601, mounting seat 601 top is provided with first hydraulic cylinder 602, mounting seat 601 below is provided with movable pressing plate 7, moving assembly 5 includes moving groove 501, moving groove 501 inside is provided with screw rod 502, screw rod 502 is threadedly connected with moving block 503, moving block 503 front is connected with connecting seat 504, moving seat 4 one side is provided with drive motor 505, drive motor 505 output end is connected with screw rod 502 one end, movable pressing plate 7 top is provided with movable seat 701, first hydraulic cylinder 602 and movable seat 701 between movable connection, engine is fixed by fixing assembly 2, then when dismounting piston cylinder liner, moving seat 4 front moving assembly 5 starts to work, drive motor 505 is started, its output end is connected with screw rod 502 one end, drives screw rod 502 to rotate, because screw rod 502 is threadedly connected with moving block 503, thus the rotation of screw rod 502 will be converted into the linear motion of moving block 503, moving block 503 slides in moving groove 501, simultaneously its front connecting connecting seat 504 also moves, along with the movement of moving block 503, electric push rod 6 front end connecting mounting seat 601 and movable pressing plate 7 also move, according to the horizontal position movement of the distance of cylinder liner on engine, electric push rod 6 drives movable pressing plate 7 to move in front and back position, according to the position of movable pressing plate 7 corresponding adjustment according to the distance of cylinder liner on engine, the piston rod of first hydraulic cylinder 602 can be telescopic, for providing vertical direction thrust or tension, first hydraulic cylinder 602 and movable seat 701 between movable connection, rotates movable pressing plate 7 to make it perpendicular to cylinder liner, first hydraulic cylinder 602 drives movable pressing plate 7 to descend, makes movable pressing plate 7 enter the inside of piston cylinder liner, after descending to the end of cylinder liner lower end, movable pressing plate 7 contacts with the bottom of cylinder liner, under the work of first hydraulic cylinder 602, drives movable seat 701 and movable pressing plate 7 to rise together, thus exerts tension on cylinder liner, to remove the cylinder liner.

[0028] The utility model discloses a work flow: when using a kind of piston cylinder liner quick dismounting device, when engine piston cylinder liner is disassembled and handled, the engine disassembled is placed on base 1, and the second hydraulic cylinder 202 outside fixed seat 201 in fixed assembly 2 works, drives clamping plate 203 to move, engine is fixed, to facilitate subsequent piston cylinder liner dismounting processing, engine is fixed by fixed assembly 2, then when piston cylinder liner is disassembled, the movement assembly 5 of moving seat 4 front surface setting starts work, and drive motor 505 is started, its output end is connected with one end of screw rod 502, drives screw rod 502 to rotate, because screw rod 502 is connected with moving block 503 threadedly, so the rotation of screw rod 502 will be converted into the linear motion of moving block 503, moving block 503 slides inside moving groove 501, and its front surface connecting connecting seat 504 also moves simultaneously, along with the movement of moving block 503, the mounting seat 601 of electric push rod 6 front surface one end connection and movable pressing plate 7 also move, according to the horizontal position movement of the distance of cylinder liner on engine, electric push rod 6 drives movable pressing plate 7 to move in front and back position, and the position of movable pressing plate 7 is adjusted according to the distance of cylinder liner on engine, the piston rod of first hydraulic cylinder 602 can be telescopic, for providing vertical direction's thrust or tension, first hydraulic cylinder 602 is movably connected between movable seat 701, and movable pressing plate 7 is made perpendicular to cylinder liner by rotating, and first hydraulic cylinder 602 drives movable pressing plate 7 to descend, so that movable pressing plate 7 enters inside piston cylinder liner, after descending to the end of cylinder liner lower end, movable pressing plate 7 contacts with the bottom of cylinder liner, under the work of first hydraulic cylinder 602, movable seat 701 and movable pressing plate 7 are driven to rise, so as to exert tension to cylinder liner, so that cylinder liner is dismounted, and the overall device is good in adjustability, and the position of the device can be adjusted according to the distance of cylinder liner of different models of engine, so that the device can adapt to more different models of engine cylinder liner dismounting demand.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A piston liner quick detachable device comprising a base (1), characterized in that: The base (1) top two sides are provided with fixed assembly (2), the base (1) top two sides backrest surface is fixedly connected with support column (3), both sides support column (3) top fixedly connected with moving seat (4), the moving seat (4) front is provided with moving assembly (5), the moving assembly (5) front is provided with electric push rod (6), electric push rod (6) front end is connected with the mounting seat (601), the mounting seat (601) top is provided with first hydraulic cylinder (602), the mounting seat (601) below is provided with movable pressing plate (7).

2. A piston liner quick detachable device according to claim 1, characterized in that: The fixed assembly (2) includes a fixed seat (201), both sides of the fixed seat (201) are provided with second hydraulic cylinder (202), and the second hydraulic cylinder (202) is connected with the clamping plate (203) through the extension of the output end outside the fixed seat (201).

3. A piston liner quick detachable device according to claim 1, characterized in that: The moving assembly (5) includes a moving groove (501), and the moving groove (501) is provided with a lead screw (502) inside.

4. A piston liner quick change device according to claim 3, wherein: The moving block (503) is connected with the connecting seat (504) on the front surface.

5. A piston liner quick change device according to claim 4, wherein: The drive motor (505) is connected with one end of the lead screw (502).

6. A piston liner quick change device according to claim 1, wherein: The movable pressing plate (7) is provided with a movable seat (701) on the top.

7. A piston liner quick change device according to claim 6, wherein: The first hydraulic cylinder (602) is movably connected with the movable seat (701).