Hydraulic cylinder detection tool

Abstract

The utility model discloses a hydraulic cylinder detection tool, and belongs to the technical field of hydraulic cylinder detection equipment. The hydraulic station is connected with the operation groove and used for pressurizing the hydraulic cylinder; the supporting seat is arranged in the operation groove and is used for supporting the hydraulic cylinder; the limiting assembly is connected with the inner wall of the operation groove and arranged close to the supporting seat, and the limiting assembly is connected with a hydraulic cylinder and used for limiting the hydraulic cylinder; and the abutting block is connected with the operation groove, and when the hydraulic cylinder is detected, a driving shaft of the hydraulic cylinder abuts against the abutting block, so that the effects of improving the working efficiency and reducing the shutdown time of equipment are achieved.

Description

Technical Field

[0001] This application relates to the technical field of hydraulic cylinder testing equipment, and more particularly to a hydraulic cylinder testing tooling. Background Art

[0002] At present, after long-term use, hydraulic cylinders need to be regularly tested for performance to ensure their reliable working conditions. In addition, when problems such as oil leakage or pressure relief occur in a hydraulic cylinder, it must be repaired, and after the repair is completed, a comprehensive test is required to verify whether it can resume normal functions. To ensure the quality of testing and repair, it is usually necessary to send the hydraulic cylinder to a professional manufacturer for overall disassembly and inspection, such as checking and replacing the sealing ring or other damaged parts. This method not only consumes a large amount of time but also requires a lot of human and material resources, resulting in a significant decrease in work efficiency and an extension of the equipment downtime. Utility Model Content

[0003] In order to improve work efficiency and reduce the equipment downtime, the present utility model provides a hydraulic cylinder testing tooling.

[0004] The hydraulic cylinder testing tooling provided by the present utility model adopts the following technical solutions:

[0005] A hydraulic cylinder testing tooling, comprising an operation groove;

[0006] A hydraulic station, connected to the operation groove, for pressurizing the hydraulic cylinder;

[0007] A support seat, disposed inside the operation groove, for supporting the hydraulic cylinder;

[0008] A limiting assembly, connected to the inner wall of the operation groove and disposed close to the support seat, the limiting assembly is connected to the hydraulic cylinder for limiting the hydraulic cylinder; and

[0009] A pressing block, connected to the operation groove, when testing the hydraulic cylinder, the driving shaft of the hydraulic cylinder abuts against the pressing block.

[0010] By adopting the above technical solutions, when testing the hydraulic cylinder, place the hydraulic cylinder on the support seat and at the same time connect the limiting assembly to the hydraulic cylinder. Then use the hydraulic station to pressurize the hydraulic cylinder to eject the driving shaft of the hydraulic cylinder until the driving shaft of the hydraulic cylinder abuts against the pressing block, and observe whether there is oil leakage or pressure relief in the hydraulic cylinder. If not, the hydraulic cylinder is qualified; if there is oil leakage or pressure relief, the assembly of the hydraulic cylinder is unqualified. This testing method is convenient and has high work efficiency, reducing the equipment downtime.

[0011] Preferably, the support base includes a first base and a second base. The first base and the second base are distributed along the axis direction of the hydraulic cylinder. Grooves for placing the hydraulic cylinder are provided on both the first base and the second base. The first base is connected with a first adjusting component for adjusting its own height, so as to make the axis of the hydraulic cylinder perpendicular to the pressing block.

[0012] By adopting the above technical solution, the support base includes a first base and a second base. The first base and the second base are distributed along the axis direction of the hydraulic cylinder, and grooves for placing the hydraulic cylinder are provided on both of them. The first base is connected with a first adjusting component, which can adjust its own height, so that the axis of the hydraulic cylinder is perpendicular to the pressing block, thereby ensuring the position accuracy during the detection of the hydraulic cylinder and improving the accuracy of the detection result.

[0013] Preferably, the first adjusting component includes a first fixing base, a first screw rod and a first rotating head. The first fixing base is placed in the operation groove. The first screw rod is vertically arranged. The bottom end of the first screw rod is rotatably connected with the first fixing base, and the top end is connected with the first rotating head. The first base is sleeved on the first screw rod and is in threaded connection with the first screw rod, so as to realize the adjustment of the height of the first base.

[0014] By adopting the above technical solution, the setting of the first adjusting component enables the height of the first base to be adjusted according to needs, so as to ensure that the axis of the hydraulic cylinder can be accurately perpendicular to the pressing block, thereby ensuring the safety and accuracy of the hydraulic cylinder during the detection process. In actual operation, by rotating the first rotating head to drive the first screw rod to rotate, the first base can be moved up and down along the first screw rod to realize precise height adjustment.

[0015] Preferably, the second base is connected with a second adjusting component for adjusting its own height. The second adjusting component includes a second fixing base, a second screw rod and a second rotating head. The second fixing base is placed in the operation groove. The second screw rod is vertically arranged. The bottom end of the second screw rod is rotatably connected with the second fixing base, and the top end is connected with the second rotating head. The second base is sleeved on the second screw rod and is in threaded connection with the second screw rod, so as to realize the adjustment of the height of the second base.

[0016] By adopting the above technical solution, through the height adjustment of the second base by the second adjusting component, it can be quickly adjusted according to the actual size of the hydraulic cylinder, ensuring that the hydraulic cylinder is in the best position during the detection process, thereby improving the detection accuracy and efficiency. During the adjustment process, the operator rotates the second rotating head to drive the second screw rod to rotate, and then the second base moves up and down along the second screw rod to realize height adjustment. And both the first base and the second base can adjust their heights, which further facilitates the adjustment of the angle of the hydraulic cylinder in the vertical direction and keeps the axis of the hydraulic cylinder horizontal.

[0017] Preferably, the limiting component includes a first limiting plate and a second limiting plate. The first limiting plate and the second limiting plate are arranged at intervals and are respectively arranged on both sides of the hydraulic cylinder. Both the first limiting plate and the second limiting plate are connected to the operation groove. During detection, the hydraulic cylinder is in contact with both the first limiting plate and the second limiting plate.

[0018] By adopting the above technical solution, the first limiting plate and the second limiting plate are arranged at intervals and are respectively arranged on both sides of the hydraulic cylinder. By connecting with the operation groove, during detection, the hydraulic cylinder is in contact with both the first limiting plate and the second limiting plate, realizing precise limitation of the hydraulic cylinder in the operation groove and ensuring the stability and accuracy during the detection process.

[0019] Preferably, it further includes at least one support block. When the driving shaft of the hydraulic cylinder extends to the maximum stroke and there is a gap between the driving shaft and the abutting block, the support block is arranged between the abutting block and the hydraulic cylinder, and the support block is in contact with both the abutting block and the hydraulic cylinder.

[0020] By adopting the above technical solution, when the driving shaft of the hydraulic cylinder extends to the maximum stroke but there is still a gap with the abutting block, the support block is arranged between the abutting block and the hydraulic cylinder and is in contact with both the abutting block and the hydraulic cylinder, thereby ensuring the stable support of the hydraulic cylinder during the detection process and improving the detection accuracy.

[0021] Preferably, a handle is connected to the top of the support block.

[0022] By adopting the above technical solution, a handle is connected to the top of the support block, which is convenient for quickly grasping and placing the support block, simplifies the operation process, and improves the detection efficiency.

[0023] Preferably, a marking line is provided on the bottom surface inside the operation groove, which can realize quick positioning when placing the support block.

[0024] By adopting the above technical solution, the marking line can realize quick positioning when placing the support block, thereby improving the efficiency and accuracy of the positioning of the support block during the detection process and ensuring the reliability of the detection result.

[0025] In summary, the present utility model has the following beneficial effects:

[0026] When detecting the hydraulic cylinder, place the hydraulic cylinder on the support seat, and at the same time connect the limiting component to the hydraulic cylinder. Then use the hydraulic station to pressurize the hydraulic cylinder to make the driving shaft of the hydraulic cylinder eject until the driving shaft of the hydraulic cylinder abuts against the abutting block, and observe whether there is oil leakage or pressure relief in the hydraulic cylinder. If not, the hydraulic cylinder is qualified; if there is oil leakage or pressure relief, the assembly of the hydraulic cylinder is unqualified. This detection method is convenient and has high working efficiency, reducing the downtime of the equipment. Description of the Drawings

[0027] Figure 1It is a schematic diagram of the overall structure of the hydraulic cylinder detection tooling.

[0028] Figure 2 It is a state diagram with a hydraulic cylinder placed in the operation groove.

[0029] Figure 3 It is a schematic diagram of the structure of the first adjustment component.

[0030] Explanation of reference numerals:

[0031] 1. Operation groove; 11. Identification line; 2. Hydraulic station; 3. Support base; 31. First seat; 32. Second seat; 4. First adjustment component; 41. First fixed seat; 42. First screw; 43. First rotating head; 5. Second adjustment component; 51. Second fixed seat; 52. Second screw; 53. Second rotating head; 6. First limiting plate; 7. Second limiting plate; 8. Tightening block; 9. Support block; 91. Handle. Detailed implementation manners

[0032] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this specification. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments.

[0033] In the description of the embodiments of this application, words such as "for example" or "for illustration" are used to represent examples, illustrations or explanations. Any embodiment or design solution described as "for example" or "for illustration" in the embodiments of this application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Exactly speaking, the use of words such as "for example" or "for illustration" is intended to present relevant concepts in a specific manner.

[0034] In the description of the embodiments of this application, the meaning of the term "a plurality" refers to two or more. For example, a plurality of systems refers to two or more systems, and a plurality of screen terminals refers to two or more screen terminals. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the technical features indicated. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The terms "include", "comprise", "have" and their variants all mean "including but not limited to", unless otherwise particularly emphasized in other ways.

[0035] Hydraulic cylinder detection tooling, refer to Figure 1, including an operation slot 1, a hydraulic station 2, a support base 3, a limiting component, and a pressing block 8. The hydraulic station 2 is connected to the operation slot 1 and is used to pressurize the hydraulic cylinder. The support base 3 is arranged inside the operation slot 1 and is used to support the hydraulic cylinder. The limiting component is connected to the inner wall of the operation slot 1 and is arranged close to the support base 3. The limiting component is connected to the hydraulic cylinder and is used to limit the hydraulic cylinder. The pressing block 8 is connected to the operation slot 1. When detecting the hydraulic cylinder, the driving shaft of the hydraulic cylinder abuts against the pressing block 8.

[0036] When detecting the hydraulic cylinder, place the hydraulic cylinder on the support base 3 and at the same time connect the limiting component to the hydraulic cylinder. Then use the hydraulic station 2 to pressurize the hydraulic cylinder to eject the driving shaft of the hydraulic cylinder until the driving shaft of the hydraulic cylinder abuts against the pressing block 8, and observe whether there is oil leakage or pressure relief in the hydraulic cylinder. If not, the hydraulic cylinder is qualified; if there is oil leakage or pressure relief, the assembly of the hydraulic cylinder is unqualified. This detection method is convenient and has high working efficiency, reducing the downtime of the equipment.

[0037] Refer to Figure 1 , the operation slot 1 is a cuboid-shaped slot with an open top. The hydraulic station 2 is arranged at one end of the operation slot 1 and is fixedly connected to the operation slot 1. Usually, the pressure of the hydraulic cylinder is 25 MPa, and when using the hydraulic station 2, the set rated pressure is 30 MPa.

[0038] Refer to Figure 2 and Figure 3 , the support base 3 includes a first base 31 and a second base 32. Both the first base 31 and the second base 32 are cuboid-shaped, and both the first base 31 and the second base 32 are provided with U-shaped grooves. The first base 31 and the second base 32 are distributed along the length direction of the operation slot 1, and the hydraulic cylinder is placed in the two grooves, and the axis of the hydraulic cylinder is parallel to the length direction of the operation slot 1.

[0039] Refer to Figure 3 , the first base 31 is connected with a first adjusting component 4. There are two groups of the first adjusting components 4, and the two groups of the first adjusting components 4 are respectively arranged on both sides of the U-shaped groove.

[0040] Refer to Figure 1 and Figure 3 , the first adjusting component 4 includes a first fixed seat 41, a first screw rod 42, and a first rotating head. The first fixed seat 41 is placed inside the operation slot 1. The first screw rod 42 is arranged vertically. The bottom end of the first screw rod 42 is rotatably connected to the first fixed seat 41, and the top end is fixedly connected to the first rotating head. The first base 31 is sleeved on the first screw rod 42 and is threadedly connected to the first screw rod 42.

[0041] The setting of the first adjusting assembly 4 enables the height of the first seat 31 to be adjusted as required, thereby ensuring that the axis of the hydraulic cylinder can be accurately perpendicular to the abutting block 8, so as to ensure the safety and accuracy of the hydraulic cylinder during the detection process. In actual operation, by rotating the first rotating head to drive the first screw rod 42 to rotate, the first seat 31 is further moved up and down along the first screw rod 42 to achieve precise height adjustment.

[0042] Referring to Figure 3 , the second seat 32 is connected with a second adjusting assembly 5. There are two groups of the second adjusting assemblies 5, and the two groups of the second adjusting assemblies 5 are respectively arranged on both sides of the U-shaped groove.

[0043] Referring to Figure 1 and Figure 3 , the second adjusting assembly 5 includes a second fixed seat 51, a second screw rod 52 and a second rotating head 53. The second fixed seat 51 is placed in the operation groove 1. The second screw rod 52 is vertically arranged. The bottom end of the second screw rod 52 is rotatably connected with the second fixed seat 51, and the top end is fixedly connected with the second rotating head 53. The second seat 32 is sleeved on the second screw rod 52 and is threadedly connected with the second screw rod 52.

[0044] Through the height adjustment of the second seat 32 by the second adjusting assembly 5, it can be quickly adjusted according to the actual size of the hydraulic cylinder to ensure that the hydraulic cylinder is in the best position during the detection process, thereby improving the detection accuracy and efficiency. During the adjustment process, the operator rotates the second rotating head 53 to drive the second screw rod 52 to rotate, and then the second seat 32 moves up and down along the second screw rod 52 to achieve height adjustment. Moreover, both the first seat 31 and the second seat 32 can adjust the height, which further facilitates the adjustment of the angle of the hydraulic cylinder in the vertical direction and keeps the axis of the hydraulic cylinder horizontal.

[0045] Referring to Figure 1 , the limiting assembly includes a first limiting plate 6 and a second limiting plate 7. Both the first limiting plate 6 and the second limiting plate 7 are fixedly connected with the inner wall of the operation groove 1. Both the first limiting plate 6 and the second limiting plate 7 are plate-shaped bodies with a rectangular longitudinal section, and the first limiting plate 6 and the second limiting plate 7 are located on the same vertical plane. There is a distance between the first limiting plate 6 and the second limiting plate 7, and they are located on both sides of the hydraulic cylinder.

[0046] The first limiting plate 6 and the second limiting plate 7 are arranged at intervals and are respectively arranged on both sides of the hydraulic cylinder. By connecting with the operation groove 1, when detecting, the hydraulic cylinder is in contact with both the first limiting plate 6 and the second limiting plate 7, realizing the precise limiting of the hydraulic cylinder in the operation groove 1 and ensuring the stability and accuracy during the detection process.

[0047] Referring to Figure 1 , it further includes a support block 9. The support block 9 is in a cuboid shape, and there is at least one support block 9, preferably two.

[0048] Reference Figure 1 A handle 91 is fixedly connected to the top of the support block 9 for easy taking.

[0049] Reference Figure 1 and Figure 2 When the driving shaft of the hydraulic cylinder extends to the maximum stroke and there is a gap between the driving shaft and the abutting block 8, the support block 9 is arranged between the abutting block 8 and the hydraulic cylinder, and the support block 9 is in contact with both the abutting block 8 and the hydraulic cylinder, so as to compensate for the stroke of the driving shaft of the hydraulic cylinder.

[0050] Reference Figure 1 On the bottom surface inside the operation groove 1, a marking line 11 is provided, which can achieve quick positioning when placing the support block 9.

[0051] The marking line 11 can achieve quick positioning when placing the support block 9, thereby improving the efficiency and accuracy of the positioning of the support block 9 during the detection process and ensuring the reliability of the detection result.

[0052] The working principle of the present application is as follows: When detecting the hydraulic cylinder, the hydraulic cylinder is placed on the support seat 3, and at the same time, the hydraulic cylinder is in contact with the side walls of the first limiting plate 6 and the second limiting plate 7 away from the support seat 3. Then, use the hydraulic station 2 to pressurize the hydraulic cylinder until the pressure of the hydraulic cylinder reaches 30 MPa, so that the driving shaft of the hydraulic cylinder ejects until the driving shaft of the hydraulic cylinder is in contact with the abutting block 8, and observe whether there is oil leakage or pressure relief in the hydraulic cylinder. If not, the hydraulic cylinder is qualified; if there is oil leakage or pressure relief, the assembly of the hydraulic cylinder is unqualified. This detection method is convenient and has high working efficiency, reducing the downtime of the equipment.

[0053] The embodiments of the specific implementation manners are all the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. Hydraulic cylinder detection tooling, characterized by: It comprises an operating tank (1); A hydraulic station (2), connected to the operating tank (1), for pressurizing the hydraulic cylinder; A support seat (3) is arranged inside the operating groove (1) and is used to support the hydraulic cylinder; a limiting assembly connected to the inner wall of the operating groove (1) and arranged close to the support seat (3); the limiting assembly is connected to the hydraulic cylinder and is used to limit the position of the hydraulic cylinder; and A tightening block (8) is connected to the operating groove (1); when the hydraulic cylinder is detected, the driving shaft of the hydraulic cylinder abuts against the tightening block (8).

2. The hydraulic cylinder detection tooling according to claim 1 is characterized in that: The support seat (3) comprises a first seat (31) and a second seat (32), wherein the first seat (31) and the second seat (32) are distributed along the axis direction of the hydraulic cylinder, and the first seat (31) and the second seat (32) are both provided with grooves for placing the hydraulic cylinder, and the first seat (31) is connected to a first adjustment component (4) for adjusting its own height, so as to realize that the axis of the hydraulic cylinder is perpendicular to the abutting block (8).

3. The hydraulic cylinder detection tooling according to claim 2 is characterized in that: The first adjustment component (4) comprises a first fixed seat (41), a first screw rod (42) and a first rotating head (43); the first fixed seat (41) is placed in the operating slot (1); the first screw rod (42) is arranged vertically; the bottom end of the first screw rod (42) is rotatably connected to the first fixed seat (41) and the top end is connected to the first rotating head (43); the first seat (31) is sleeved on the first screw rod (42) and is threadedly connected to the first screw rod (42), so that the height of the first seat (31) can be adjusted.

4. The hydraulic cylinder detection tooling according to claim 2 or 3, characterized in that: The second seat (32) is connected to a second adjustment component (5) for adjusting its own height. The second adjustment component (5) comprises a second fixed seat (51), a second screw rod (52) and a second rotating head (53). The second fixed seat (51) is placed in the operating slot (1). The second screw rod (52) is vertically arranged. The bottom end of the second screw rod (52) is rotatably connected to the second fixed seat (51), and the top end is connected to the second rotating head (53). The second seat (32) is sleeved on the second screw rod (52) and is threadedly connected to the second screw rod (52), so that the height of the second seat (32) can be adjusted.

5. The hydraulic cylinder detection tooling according to claim 1 is characterized in that: The limit assembly comprises a first limit plate (6) and a second limit plate (7), the first limit plate (6) and the second limit plate (7) are arranged at intervals and are respectively arranged on both sides of the hydraulic cylinder, the first limit plate (6) and the second limit plate (7) are both connected to the operating slot (1), and during detection, the hydraulic cylinder abuts against the first limit plate (6) and the second limit plate (7).

6. The hydraulic cylinder detection tooling according to claim 1 is characterized in that: It also comprises at least one support block (9). When the driving shaft of the hydraulic cylinder extends to the maximum stroke and there is a gap between the abutting block (8) and the hydraulic cylinder, the support block (9) is arranged between the abutting block (8) and the hydraulic cylinder, and the support block (9) abuts against both the abutting block (8) and the hydraulic cylinder.

7. The hydraulic cylinder detection tooling according to claim 6 is characterized in that: The top of the support block (9) is connected with a handle (91).

8. The hydraulic cylinder detection tooling according to claim 6, characterized in that: The bottom surface inside the operating groove (1) is provided with a marking line (11), which can achieve rapid positioning when placing the support block (9).

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