Hydraulic oil cylinder repair machining device

By designing a hydraulic cylinder repair and processing device, a pneumatic chuck and cross baffle are used to clamp the cylinder barrel, and a linear displacement sensor is used to measure the inner diameter. This solves the problem of separate clamping and measurement steps in the hydraulic cylinder repair process, and improves the repair accuracy and efficiency.

CN223932729UActive Publication Date: 2026-02-24XUZHOU YONGJIA HYDRAULIC EQUIP
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Patent Information

Application Number
CN202520354961.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-24
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

In the process of repairing hydraulic cylinders, the clamping of the cylinder barrel and the measurement of the inner diameter of the opening are two separate steps, which makes the repair process cumbersome, inefficient, and increases labor costs and time consumption.

Method used

Design a hydraulic cylinder repair and processing device that uses a pneumatic chuck and cross baffle to clamp the cylinder barrel, combines a linear displacement sensor to measure the inner diameter of the cylinder barrel end, and enters the cylinder barrel through a sliding slider and a conical cylinder to achieve integrated inner diameter measurement and clamping.

Benefits of technology

This technology integrates cylinder bore diameter measurement and clamping, improving repair accuracy and efficiency while reducing labor costs and time consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic oil cylinder repair machining device which comprises a guide rail, a pneumatic chuck is installed at one end of the guide rail, a second sliding block is installed on the guide rail in a sliding mode, a conical barrel is installed on one side of the second sliding block through a rotating shaft, and four linear grooves are symmetrically formed in the outer wall of the conical barrel. A rod body is fixedly connected to the inner wall of the conical barrel, a cross-shaped baffle is slidably mounted on the rod body, and the end of the cross-shaped baffle penetrates through the linear groove; the hydraulic oil cylinder barrel is fixed through the pneumatic chuck, the second sliding block slides to enable the conical barrel to move and enter the oil cylinder barrel, the cross baffle is pushed to slide, the linear displacement sensor calculates the inner diameter of the end of the oil cylinder barrel after measuring the displacement, and the inner diameter can be conveniently measured when the hydraulic oil cylinder barrel is repaired. And the pneumatic chuck and the cross baffle clamp the oil cylinder barrel, the two ends are stabilized, and the polishing and repairing precision of the outer wall is improved.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder repair technology, specifically to a hydraulic cylinder repair and processing device. Background Technology

[0002] Hydraulic cylinder repair is the maintenance and regeneration of cylinders in hydraulic systems that have malfunctioned or worn. The repair process typically includes disassembly, cleaning, inspection, repair of the inner and outer walls of the cylinder, and replacement of seals. Through precision machining and surface treatment techniques, the normal function and performance of the cylinder are restored, and its service life is extended. Hydraulic cylinder repair is an important measure to maintain the efficient operation of hydraulic systems.

[0003] However, in the repair process of hydraulic cylinders, the clamping of the cylinder barrel and the measurement of the inner diameter of the opening are usually divided into two steps. Operators need to measure the inner diameter of the opening separately after cutting and grinding repair. This makes it impossible to integrate the hydraulic cylinder repair and inner diameter measurement work, making the repair process cumbersome, inefficient, and increasing labor costs and time consumption. Utility Model Content

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] Therefore, one objective of this utility model is to provide a hydraulic cylinder repair and processing device. This device moves a conical cylinder into the cylinder by sliding a second slider, pushes a cross baffle to slide, and uses a linear displacement sensor to measure the inner diameter of the cylinder end. At the same time, a pneumatic chuck and a cross baffle clamp the cylinder, stabilizing both ends of the cylinder.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder repair and processing device, including a guide rail, a pneumatic chuck installed at one end of the guide rail, a second slider slidably installed on the guide rail, a conical cylinder installed on one side of the second slider via a rotating shaft, four linear grooves symmetrically provided on the outer wall of the conical cylinder, a rod fixedly connected to the inner wall of the conical cylinder, a cross baffle slidably installed on the rod, the end of the cross baffle penetrating through the linear groove, and a linear displacement sensor installed on one side of the cross baffle, a spring sleeved on the outside of the rod, one end of the spring abutting against one side of the cross baffle.

[0007] Preferably, a first lead screw motor is installed on one side of the guide rail, a first slider is installed on the lead screw end of the first lead screw motor, a rodless cylinder is installed on the top of the first slider, and a cutting blade is installed on the slider end of the rodless cylinder.

[0008] Preferably, a second lead screw motor is installed at one end of the guide rail, and the lead screw end of the second lead screw motor passes through the guide rail and the second slider respectively.

[0009] Preferably, a microcontroller is mounted on one end of the guide rail, and the first lead screw motor, the second lead screw motor, and the rodless cylinder are all electrically connected to the microcontroller, and the linear displacement sensor is signal-connected to the microcontroller.

[0010] Preferably, a gasket is installed on one side of the cross baffle.

[0011] Preferably, a hydraulic cylinder is provided at the adjacent end of the pneumatic chuck and the conical cylinder.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model fixes the hydraulic cylinder barrel with a pneumatic chuck, moves the conical cylinder into the cylinder barrel by sliding the second slider, and pushes the cross baffle to slide, so that the linear displacement sensor can measure the displacement and calculate the inner diameter of the cylinder barrel end, which is convenient for measuring the inner diameter during the repair of the hydraulic cylinder barrel. In addition, the pneumatic chuck and the cross baffle clamp the cylinder barrel, stabilize both ends, and improve the accuracy of the outer wall grinding and repair. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the hydraulic cylinder repair and processing device according to an embodiment of the present utility model;

[0014] Figure 2 This is a schematic cross-sectional view of the cylinder barrel and the second slider in the hydraulic cylinder repair and processing device according to an embodiment of the present utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the rod and cross baffle in the hydraulic cylinder repair and processing device according to an embodiment of this utility model.

[0016] In the diagram: 1. Guide rail; 2. Hydraulic cylinder; 3. First slider; 4. Second slider; 5. First lead screw motor; 6. Second lead screw motor; 7. Rodless cylinder; 8. Cutting blade; 9. Conical cylinder; 10. Pneumatic chuck; 11. Microcontroller; 12. Rod body; 13. Linear groove; 14. Linear displacement sensor; 15. Spring; 16. Cross baffle; 17. Shim. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1 An embodiment of this utility model provides a hydraulic cylinder repair and processing device, including: a guide rail 1.

[0019] In this embodiment, as Figures 1-3 As shown, a pneumatic chuck 10 is installed at one end of the guide rail 1, and a second slider 4 is slidably installed on the guide rail 1. A conical cylinder 9 is installed on one side of the second slider 4 via a rotating shaft. Four linear grooves 13 are symmetrically provided on the outer wall of the conical cylinder 9. A rod 12 is fixedly connected to the inner wall of the conical cylinder 9. A cross baffle 16 is slidably installed on the rod 12. The end of the cross baffle 16 passes through the linear groove 13. The pneumatic chuck 10 fixes the hydraulic cylinder 2. By sliding the second slider 4 on the guide rail 1, the conical cylinder 9 moves along the direction of the guide rail 1 and enters the cylinder 2. At the same time, one end of the cylinder 2 abuts against the side of the cross baffle 16 that extends through the linear groove 13 and pushes the cross baffle 16 to slide on the rod 12.

[0020] It should be noted that a hydraulic cylinder 2 is provided at one end of the pneumatic chuck 10 and the conical cylinder 9.

[0021] Furthermore, refer to Figure 2 To increase the thickness and bending strength of the cross baffle 16, a gasket 17 is installed on one side of the cross baffle 16.

[0022] A linear displacement sensor 14 is installed on one side of the cross baffle 16, and a spring 15 is sleeved on the outside of the rod 12. One end of the spring 15 is attached to one side of the cross baffle 16. When the cylinder 2 pushes the cross baffle 16 to slide to the outer wall of the conical cylinder 9 and cannot move, the displacement amount when the linear displacement sensor 14 stops is matched with the inner diameter of the conical cylinder 9 corresponding to the current displacement amount to calculate the inner diameter of one end of the cylinder 2. This facilitates the measurement of the inner diameter of the end of the hydraulic cylinder 2 during repair. At the same time, the pneumatic chuck 10 and the cross baffle 16 play a role in clamping and stabilizing both ends of the cylinder 2.

[0023] In this embodiment, as Figure 1 As shown, a first lead screw motor 5 is installed on one side of the guide rail 1, a first slider 3 is installed on the lead screw end of the first lead screw motor 5, a rodless cylinder 7 is installed on the top of the first slider 3, and a cutting blade 8 is installed on the slider end of the rodless cylinder 7. The first lead screw motor 5 can drive the first slider 3 to move linearly, and use the cutting blade 8 to perform cutting and grinding operations on the rotating cylinder 2.

[0024] Furthermore, a second lead screw motor 6 is installed at one end of the guide rail 1. The lead screw end of the second lead screw motor 6 passes through the guide rail 1 and the second slider 4 respectively. By starting the second lead screw motor 6, the second slider 4 can be driven to move along the guide rail 1, thereby playing the role of automatically controlling the movement of the second slider 4.

[0025] Specifically, refer to Figure 1 A microcontroller 11 is installed at one end of the guide rail 1. The first lead screw motor 5, the second lead screw motor 6, and the rodless cylinder 7 are all electrically connected to the microcontroller 11. The linear displacement sensor 14 is connected to the microcontroller 11 via signal. The microcontroller 11 can control the operating status of the first lead screw motor 5, the second lead screw motor 6, and the rodless cylinder 7, and receive and process the monitoring data from the linear displacement sensor 14.

[0026] Based on the above technical solution, the working steps of this solution are summarized as follows: When this utility model is used, the pneumatic chuck 10 fixes the hydraulic cylinder 2. The second slider 4 on the sliding guide rail 1 moves the conical cylinder 9 along the guide rail 1 and enters the cylinder 2. At the same time, one end of the cylinder 2 abuts against the side of the cross baffle 16 extending through the linear groove 13 and pushes the cross baffle 16 to slide on the rod 12 until one end of the cylinder 2 can no longer move outside the conical cylinder 9. The displacement amount when the linear displacement sensor 14 stops the displacement is matched with the inner diameter of the conical cylinder 9 corresponding to the current displacement amount to calculate the inner diameter of one end of the cylinder 2. This facilitates the measurement of the inner diameter of the end of the hydraulic cylinder 2 during repair. At the same time, the pneumatic chuck 10 and the cross baffle 16 play a role in clamping and stabilizing both ends of the cylinder 2, which facilitates the subsequent grinding and cutting repair work of the outer wall of the cylinder 2 and improves the accuracy of the hydraulic cylinder 2 repair.

[0027] All parts not described in this utility model are the same as or can be implemented using existing technology. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder repair and processing device, comprising a guide rail (1), characterized in that: A pneumatic chuck (10) is installed at one end of the guide rail (1). A second slider (4) is slidably installed on the guide rail (1). A conical cylinder (9) is installed on one side of the second slider (4) via a rotating shaft. Four linear grooves (13) are symmetrically provided on the outer wall of the conical cylinder (9). A rod (12) is fixedly connected to the inner wall of the conical cylinder (9). A cross baffle (16) is slidably installed on the rod (12). The end of the cross baffle (16) passes through the linear groove (13). A linear displacement sensor (14) is installed on one side of the cross baffle (16). A spring (15) is sleeved on the outside of the rod (12). One end of the spring (15) is attached to one side of the cross baffle (16).

2. The hydraulic cylinder repair and processing device according to claim 1, characterized in that: A first lead screw motor (5) is installed on one side of the guide rail (1). A first slider (3) is installed on the lead screw end of the first lead screw motor (5). A rodless cylinder (7) is installed on the top of the first slider (3). A cutting blade (8) is installed on the slider end of the rodless cylinder (7).

3. The hydraulic cylinder repair and processing device according to claim 2, characterized in that: A second lead screw motor (6) is installed at one end of the guide rail (1), and the lead screw end of the second lead screw motor (6) passes through the guide rail (1) and the second slider (4) respectively.

4. The hydraulic cylinder repair and processing device according to claim 3, characterized in that: A microcontroller (11) is installed at one end of the guide rail (1). The first lead screw motor (5), the second lead screw motor (6) and the rodless cylinder (7) are all electrically connected to the microcontroller (11). The linear displacement sensor (14) is signal connected to the microcontroller (11).

5. The hydraulic cylinder repair and processing device according to claim 1, characterized in that: A gasket (17) is installed on one side of the cross baffle (16).

6. The hydraulic cylinder repair and processing device according to claim 1, characterized in that: The pneumatic chuck (10) and the conical cylinder (9) are respectively provided with a hydraulic cylinder (2) at one end.