Sealing detection device for hydraulic cylinder

Abstract

The utility model discloses a sealing detection device for a hydraulic cylinder, and relates to the technical field of hydraulic cylinder detection. The detection device comprises a detection table and a water tank, wherein a telescopic driving piece is arranged on the detection table, a fixed plate is arranged at the output end of the telescopic driving piece, a fixed clamping plate is arranged on the lower side of the fixed plate, a movable clamping plate is in sliding fit with the lower side of the fixed plate, a linear driving piece connected with the movable clamping plate is arranged on the fixed plate, and a conical block is arranged on one side of the movable clamping plate. By means of the linear driving piece, the movable clamping plate can drive the conical block to move, a hydraulic cylinder of the hydraulic cylinder is clamped and fixed between the fixed clamping plate and the movable clamping plate, the conical block seals a cylinder opening of the hydraulic cylinder, the telescopic driving piece drives the hydraulic cylinder to be placed in the water tank, and the inflation assembly inflates the hydraulic cylinder. And when bubbles appear in the water tank, the hydraulic cylinder leaks air, the air tightness is poor, and the hydraulic cylinder is an unqualified product, so that the detection efficiency of the hydraulic cylinder is improved.

Description

Technical Field

[0001] The utility model belongs to the field of hydraulic cylinder detection, in particular to a sealing detection device for a hydraulic cylinder. Background Art

[0002] The hydraulic cylinder sealing detection device is used to detect the air tightness of the hydraulic cylinder during the production process of the hydraulic cylinder.

[0003] The Chinese patent with publication number CN213091087U discloses a sealing detection device for a finished product of a hydraulic cylinder, including a workbench, a first cylinder, a piston, a push plate, a water tank and a fixed beam. A baffle is arranged on the top of the workbench, a vertical plate is arranged on the top of the workbench, the vertical plate is located in front of the baffle, a lifting device is arranged on the bottom of the workbench, a first cylinder is installed on the top of the lifting device, the left end of the first cylinder is slidably connected to the piston, the left end of the piston is connected to the right end of the push plate, a compressed air delivery pipe is connected to the push plate, the water tank is placed on the top of the workbench, and a switch is arranged at the front end of the workbench. Support legs are respectively arranged at the four corners of the bottom end of the workbench, and fixed beams are connected between the four groups of support legs. Although the structure is simple, the operation is convenient, the detection characteristics are obvious, and it is suitable for batch operation, and the air tightness of the hydraulic cylinder can be comprehensively detected, when the above-mentioned detection device detects the air tightness of the hydraulic cylinder, it is also necessary to remove the hydraulic cylinder from between the push plate and the vertical plate, and then put it into the water tank. After the detection is completed, the hydraulic cylinder needs to be taken out of the water tank. All of the above operations require manual operation. Due to the heavy weight of the hydraulic cylinder, this operation is time-consuming and labor-intensive, which affects the detection efficiency of the hydraulic cylinder.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a seal detection device for a hydraulic cylinder, thereby solving the technical problems in the prior art.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A hydraulic cylinder seal detection device comprises: a detection platform and a water tank, a telescopic driving member is installed on the detection platform, a fixed plate is installed at the output end of the telescopic driving member, a fixed clamping plate is installed at the lower side of the fixed plate, a movable clamping plate is slidably matched at the lower side of the fixed plate, a linear driving member connected to the movable clamping plate is installed on the fixed plate, a conical block is installed at one side of the movable clamping plate, and an inflatable component connected to the conical block is installed on the detection platform;

[0008] The water tank is located at the bottom of the testing table, and a buffer protection component is installed in the water tank.

[0009] Optionally, the inflation component includes an air outlet hole opened at one end of the conical block and penetrating the movable splint, an air pump installed on the top of the testing table, and an air inlet pipe installed between the air outlet of the air pump and the air outlet hole; a slide groove is opened on the lower side of the fixed plate, and a slider fixedly connected to the upper side of the movable splint is slidably fitted in the slide groove; the linear drive member is located in the slide groove, and the output end is fixedly connected to the slider; the linear drive member is a cylinder or an electric telescopic rod.

[0010] Optionally, the buffer protection assembly includes a support plate located in the water tank, a sponge pad located on the upper side of the support plate, a plurality of through holes opened in the sponge pad and the upper side of the support plate, and a plurality of elastic parts installed between the support plate and the water tank, which can buffer the hydraulic cylinder that falls without being clamped, thereby reducing the situation where the hydraulic cylinder falls directly into the water tank.

[0011] Optionally, two water pipes are installed on one side of the water tank, both water pipes are connected to the water tank, both water pipes are equipped with valves, and both water pipes can take in or out water, thereby facilitating the replacement of the water in the water tank.

[0012] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0013] Through the set linear drive component, the conical block can be driven to move through the movable clamp, and the hydraulic cylinder of the hydraulic cylinder is clamped and fixed between the fixed clamp and the movable clamp. The conical block seals the barrel mouth of the hydraulic cylinder. The hydraulic cylinder is driven into the water tank through the telescopic drive component, and the inflation assembly inflates the hydraulic cylinder. When bubbles appear in the water tank, it means that the hydraulic cylinder is leaking and the air tightness is poor, so it is classified as a defective product, reducing the need for manual operation, thereby improving the inspection efficiency of the hydraulic cylinder.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0016] In the figure:

[0017] Figure 1 It is a schematic diagram of the structure of the testing platform;

[0018] Figure 2 This is a schematic diagram of the water tank structure;

[0019] Figure 3 is a schematic diagram of the fixed plate structure;

[0020] Figure 4 Schematic diagram of the buffer protection component structure.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] Testing table 1, telescopic driving member 2, fixed plate 3, fixed splint 4, movable splint 5, conical block 6, inflation component 7, air outlet 701, air inlet pipe 702, air pump 703, water tank 8, water pipe 9, buffer protection component 10, sponge pad 1001, support plate 1002, through hole 1003, elastic member 1004, rubber pad 11, slide groove 12, linear driving member 13, slider 14.

[0023] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0024] The utility model will now be further described in detail with reference to the accompanying drawings.

[0025] See also Figure 1-4 As shown, in this embodiment, a hydraulic cylinder seal detection device is provided, including: a detection platform 1 and a water tank 8, a telescopic driving member 2 is installed on the detection platform 1, a fixed plate 3 is installed on the output end of the telescopic driving member 2, a fixed clamping plate 4 is installed on the lower side of the fixed plate 3, a movable clamping plate 5 is slidably matched on the lower side of the fixed plate 3, a linear driving member 13 connected to the movable clamping plate 5 is installed on the fixed plate 3, a conical block 6 is installed on one side of the movable clamping plate 5, and an inflatable component 7 connected to the conical block 6 is installed on the detection platform 1, wherein the water tank 8 is a transparent water tank, which is convenient for observing the air leakage of the hydraulic cylinder in the water tank 8, the telescopic driving member 2 is a cylinder or an electric telescopic rod in the prior art, and a rubber pad 11 is installed on one side of the fixed plate 3 to improve the friction between the fixed plate 3 and the hydraulic cylinder;

[0026] The water tank 8 is located at the bottom of the testing platform 1 , and a buffer protection component 10 is installed in the water tank 8 . The buffer protection component 10 can buffer the hydraulic cylinder that falls without being clamped, thereby reducing the situation where the hydraulic cylinder falls directly into the water tank 8 .

[0027] By setting up the linear drive member 13, the conical block 6 can be driven to move through the movable clamp 5, and the hydraulic cylinder of the hydraulic cylinder is clamped and fixed between the fixed clamp 4 and the movable clamp 5. The conical block 6 seals the mouth of the hydraulic cylinder. The hydraulic cylinder is driven by the telescopic drive member 2 to be placed in the water tank 8, and the inflation component 7 inflates the hydraulic cylinder. When bubbles appear in the water tank 8, it means that the hydraulic cylinder is leaking and the air tightness is poor, and it is classified as a defective product, which reduces the need for manual operation and improves the detection efficiency of the hydraulic cylinder.

[0028] like Figure 1-3 As shown, the inflation component 7 of this embodiment includes an air outlet 701 opened at one end of the conical block 6 and penetrating the movable splint 5, an air pump 703 installed on the top of the test bench 1, and an air inlet pipe 702 installed between the air outlet of the air pump 703 and the air outlet 701; a slide groove 12 is opened on the lower side of the fixed plate 3, and a slider 14 fixedly connected to the upper side of the movable splint 5 is slidably fitted in the slide groove 12, and a linear drive member 13 is located in the slide groove 12, and an output end is fixedly connected to the slider 14; the linear drive member 13 is a cylinder or an electric telescopic rod, and the air inlet pipe 702 is a telescopic hose in the prior art.

[0029] When the air tightness of the hydraulic cylinder needs to be tested, the linear drive component 13 drives the slider 14 to move in the slide groove 12, the movement of the slider 14 drives the movable splint 5 to move, the movement of the movable splint 5 drives the conical block 6 to move, and the hydraulic cylinder of the hydraulic cylinder is clamped and fixed between the fixed splint 4 and the movable splint 5, the conical block 6 moves to support the barrel mouth of the hydraulic cylinder hydraulic cylinder, the conical block 6 seals the barrel mouth of the hydraulic cylinder, and the telescopic drive component 2 drives the hydraulic cylinder to be placed in the water tank 8. At this time, the air pump 703 is started, and the air pump 703 generates gas. The gas is injected into the hydraulic cylinder of the hydraulic cylinder through the air inlet pipe 702 and the air outlet 701. When bubbles appear in the water tank 8, it means that the hydraulic cylinder is leaking and the air tightness is poor, and it is classified as a defective product.

[0030] like Figure 4 As shown, the buffer protection component 10 of this embodiment includes a support plate 1002 located in the water tank 8, a sponge pad 1001 located on the upper side of the support plate 1002, a plurality of through holes 1003 opened on the upper side of the sponge pad 1001 and the support plate 1002, and a plurality of elastic members 1004 installed between the support plate 1002 and the water tank 8, and the elastic members 1004 are springs or elastic telescopic rods.

[0031] When the hydraulic cylinder falls between the fixed clamping plate 4 and the movable clamping plate 5, the hydraulic cylinder falls onto the sponge pad 1001 and the support plate 1002, the multiple elastic members 1004 support the support plate 1002, and the support plate 1002 and the sponge pad 1001 provide buffering protection for the hydraulic cylinder.

[0032] like Figure 1 As shown, two water pipes 9 are installed on one side of the water tank 8 of this embodiment. The two water pipes 9 are connected to the water tank 8. Valves are installed on the two water pipes 9. The two water pipes 9 can take in or out water, thereby facilitating the replacement of the water in the water tank 8.

[0033] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A hydraulic cylinder seal detection device, characterized in that: include: A testing platform (1), wherein a telescopic driving member (2) is mounted on the testing platform (1), a fixed plate (3) is mounted on the output end of the telescopic driving member (2), a fixed clamping plate (4) is mounted on the lower side of the fixed plate (3), a movable clamping plate (5) is slidably matched on the lower side of the fixed plate (3), a linear driving member (13) connected to the movable clamping plate (5) is mounted on the fixed plate (3), a conical block (6) is mounted on one side of the movable clamping plate (5), and an inflatable component (7) connected to the conical block (6) is mounted on the testing platform (1); A water tank (8) is located at the bottom of the testing platform (1), and a buffer protection component (10) is installed in the water tank (8).

2. A hydraulic cylinder seal detection device according to claim 1, characterized in that: The inflation assembly (7) comprises an air outlet (701) provided at one end of the conical block (6) and penetrating the movable clamping plate (5), an air pump (703) installed on the top of the testing platform (1), and an air inlet pipe (702) installed between the air outlet of the air pump (703) and the air outlet (701).

3. A hydraulic cylinder seal detection device according to claim 1, characterized in that: A slide groove (12) is provided on the lower side of the fixed plate (3), and a slider (14) fixedly connected to the upper side of the movable clamping plate (5) is slidably matched in the slide groove (12). The linear drive member (13) is located in the slide groove (12), and its output end is fixedly connected to the slider (14).

4. A hydraulic cylinder seal detection device according to claim 3, characterized in that: The linear drive member (13) is a cylinder or an electric telescopic rod.

5. The hydraulic cylinder seal detection device according to claim 1, characterized in that: The buffer protection component (10) comprises a support plate (1002) located in the water tank (8), a sponge pad (1001) located on the upper side of the support plate (1002), a plurality of through holes (1003) provided on the upper side of the sponge pad (1001) and the support plate (1002), and a plurality of elastic members (1004) installed between the support plate (1002) and the water tank (8).

6. A hydraulic cylinder seal detection device according to claim 1, characterized in that: Two water pipes (9) are installed on one side of the water tank (8), the two water pipes (9) are both connected to the water tank (8), and valves are installed on the two water pipes (9).

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