Valve high-pressure test equipment

Abstract

The utility model relates to the technical field of high-pressure valves, and discloses a valve high-pressure test device which comprises a test frame, the upper portion of the test frame is fixedly connected with an air cylinder, the lower portion of the air cylinder is fixedly connected with an installation plate, the lower portion of the installation plate is fixedly connected with a pressing plate, and the outer portion of the installation plate is fixedly connected with a limiting block. Limiting grooves are formed in the two sides of the interior of the testing frame, a controller is fixedly connected to the left side of the upper portion of the testing frame, an air inlet pipe is arranged on the left portion of the controller, the lower portion of the controller fixedly communicates with an air conveying pipe, the air conveying pipe fixedly communicates with the front portion of a pressing plate, and a water tank is fixedly connected to the inner bottom of the testing frame. A lifting plate is arranged in the water tank, a clamping assembly is arranged on the upper portion of the lifting plate, and the clamping assembly comprises a fixing plate. According to the utility model, valves with different specifications and sizes can be clamped and detected.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure valves, in particular to valve high-pressure testing equipment. Background Art

[0002] High-pressure valves have been widely used in the fields of superhard material manufacturing, chemical industry, petrochemical industry, processing technology, static pressure treatment, ultra-high static pressure extrusion, powder metallurgy, metal forming, geophysics, geological research, etc. At present, people on the market often use pressure testing mechanisms when testing the pressure of high-pressure valves.

[0003] After searching, the Chinese patent announcement number: CN206583603U discloses a high-pressure valve pressure tester, including an operating table, a high-pressure water tank cabinet, a clamping device, a pressure test table, a flameproof box and a circulating water tank; the clamping device includes a top pressure cylinder, a top pressure pull rod, a movable crossbeam, a sealing plate and a water injection plate; the sealing plate is fixed on the pressure test table and is coaxial with the water injection plate, the water injection plate is connected to the high-pressure water tank cabinet, and a water pump is provided at the bottom of the circulating water tank and is connected to the high-pressure water tank cabinet; the flameproof box is a rectangular iron box, and the inner cavity is coated with a foam layer, and a lifting device is provided in the flameproof box, and the lifting device is composed of a lifting flange, a hydraulic cylinder and a supporting frame. The utility model performs a pressure test on the valve in the flameproof box through the lifting device, which effectively reduces the risk of high-pressure valve pressure test, protects the safety of operators and equipment, and provides a warning signal light during the pressure test. The utility model has a compact structure, is easy to manufacture, simple to maintain, easy to operate, and has good economic benefits. Although this patented technology can perform pressure tests on valves in a flameproof box through a lifting device, effectively reducing the risk of high-pressure valve pressure testing and protecting the safety of operators and equipment, it is unable to detect high-pressure valves of different sizes during cutting, which increases the difficulty of detecting valves of different sizes. Therefore, those skilled in the art provide valve high-pressure testing equipment to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a valve high-pressure testing device, aiming to improve the problem in the prior art that high-pressure valves of different sizes cannot be tested.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The valve high-pressure testing equipment comprises a test frame, wherein the upper part of the test frame is fixedly connected to a cylinder, the lower part of the cylinder is fixedly connected to a mounting plate, the lower part of the mounting plate is fixedly connected to a pressure plate, the outer part of the mounting plate is fixedly connected to a limiting block, limiting grooves are provided on both sides of the interior of the test frame, the upper left part of the test frame is fixedly connected to a controller, the left part of the controller is provided with an air intake pipe, the lower part of the controller is fixedly connected to an air supply pipe, the air supply pipe is fixedly connected to the front part of the pressure plate, the inner bottom of the test frame is fixedly connected to a water tank, the interior of the water tank is provided with a lifting plate, and the upper part of the lifting plate is provided with a clamping assembly.

[0007] Material toggling mechanism, its both sides respectively have the advantages of small size and large capacity, and its both ends have the advantages of small size and large capacity, and its both ends have the advantages of small size and large capacity, and its both ends have the advantages of small size and large capacity.

[0008] Furthermore, a water inlet pipe is provided at the left portion of the water tank, and a drain pipe is provided at the left portion of the water tank.

[0009] Furthermore, the limiting block is slidably connected inside the limiting groove.

[0010] Furthermore, a cushion block is provided on the upper portion of the lifting plate.

[0011] Furthermore, the sliding block is slidably connected inside the sliding groove.

[0012] Furthermore, the lifting plate is slidably connected to the inside of the water tank.

[0013] Furthermore, the sliding plate is slidably connected to the upper part of the lifting plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through the cooperation among the fixed plate, the bidirectional threaded rod, the rotating shaft, the sliding plate, the clamping plate, the spring and the lifting plate and other structures, it is possible to clamp high-pressure valves of different specifications and sizes, so as to facilitate the detection of valves of different sizes.

[0016] 2. In the utility model, through the cooperation between the pressure plate, cylinder, mounting plate, controller, air pipe, water tank, electric push rod and air inlet pipe and other structures, the inside of the valve can be inflated to observe whether bubbles appear in the water tank. If bubbles appear, it means that the air tightness of the valve is poor and it is an unqualified product. If no bubbles appear, it proves that the air tightness of the valve is good and it is a qualified product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the valve high pressure testing device proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the water tank structure of the valve high pressure testing equipment proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the valve high-pressure testing equipment proposed by the utility model.

[0020] Legend:

[0021] 1. Intake pipe; 2. Controller; 3. Cylinder; 4. Test frame; 5. Mounting plate; 6. Pressure plate; 7. Drain pipe; 8. Water tank; 9. Inlet pipe; 10. Air pipe; 11. Limit block; 12. Limit groove; 13. Sliding plate; 14. Bidirectional threaded rod; 15. Lifting plate; 16. Sliding block; 17. Electric push rod; 18. Slide groove; 19. Fixed plate; 20. Limit rod; 21. Spring; 22. Clamping plate; 23. Rotating block; 24. Rotating shaft; 25. Pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 and Figure 2 , an embodiment provided by the utility model:

[0024] A valve high-pressure testing device comprises a test frame 4, wherein the upper part of the test frame 4 is fixedly connected with a cylinder 3, the lower part of the cylinder 3 is fixedly connected with a mounting plate 5, the lower part of the mounting plate 5 is fixedly connected with a pressing plate 6, the outer part of the mounting plate 5 is fixedly connected with a limiting block 11, and limiting grooves 12 are provided on both sides of the interior of the test frame 4, the upper left part of the test frame 4 is fixedly connected with a controller 2, the left part of the controller 2 is provided with an air intake pipe 1, the lower part of the controller 2 is fixedly connected with an air supply pipe 10, and the air supply pipe 10 is fixedly connected to the front part of the pressing plate 6, the inner bottom of the test frame 4 is fixedly connected with a water tank 8, the interior of the water tank 8 is provided with a lifting plate 15, and the upper part of the lifting plate 15 is provided with a clamping assembly;

[0025] By starting the cylinder 3 on the upper part of the test frame 4, the telescopic end of the cylinder 3 drives the mounting plate 5 to move downward, and at the same time, the limit block 11 slides inside the limit groove 12 for guidance, and the mounting plate 5 drives the pressure plate 6 to move downward, so that the pressure plate 6 is connected to the valve, and by starting the controller 2, the external high-pressure gas enters the gas supply pipe 10 from the intake pipe 1, and enters the center position of the lower surface of the pressure plate 6 from the gas supply pipe 10 to be output, thereby performing inflation detection on the inside of the valve.

[0026] Reference Figure 2 and Figure 3 The clamping assembly includes a fixed plate 19, which is fixedly connected to both sides of the upper part of the lifting plate 15. The inner front side of the fixed plate 19 is rotatably connected with a bidirectional threaded rod 14, the right part of the bidirectional threaded rod 14 is fixedly connected with a rotating shaft 24, the right part of the rotating shaft 24 is fixedly connected with a rotating block 23, the outer side of the bidirectional threaded rod 14 is threadedly connected with a sliding plate 13, the inner rear side of the fixed plate 19 is fixedly connected with a limiting rod 20, the limiting rod 20 is slidably connected to the inner rear side of the sliding plate 13, a clamping plate 22 is provided on the inner side of the sliding plate 13, the outer side of the clamping plate 22 is fixedly connected with a spring 21, the spring 21 is fixedly connected to the inner side of the sliding plate 13, the lower sides of the lifting plate 15 are fixedly connected with electric push rods 17, the electric push rods 17 are fixedly connected to the inner bottom of the water tank 8, the outer side of the lifting plate 15 is fixedly connected with a slider 16, and slide grooves 18 are provided on both sides of the inner side of the water tank 8;

[0027] By rotating the rotating block 23, the rotating block 23 drives the rotating shaft 24 to rotate, and the rotating shaft 24 drives the two-way threaded rod 14 to rotate, and the two-way threaded rod 14 drives the sliding plate 13 to move inward, and at the same time, the limit rod 20 slides inside the rear side of the sliding plate 13 to limit the position, and the sliding plate 13 drives the left and right groups of springs 21 to move inward. Through the movement of the two groups of springs 21, the two clamping plates 22 are driven to move toward each other, thereby completing the clamping work of the valve. By controlling the lateral displacement distance of the two sliding plates 13, the clamping work of valves of different sizes can be adapted. By starting the electric push rod 17 to move downward, the telescopic end of the electric push rod 17 drives the lifting plate 15 to move downward, and at the same time, the slider 16 slides inside the slide groove 18 to limit the position, so that the water height submerges the valve.

[0028] Reference Figure 1 , Figure 2 and Figure 3 The left part of the water tank 8 is provided with a water inlet pipe 9, the left part of the water tank 8 is provided with a drain pipe 7, the limit block 11 is slidably connected to the inside of the limit groove 12, the upper part of the lifting plate 15 is provided with a cushion block 25, the slider 16 is slidably connected to the inside of the slide groove 18, the lifting plate 15 is slidably connected to the inside of the water tank 8, and the sliding plate 13 is slidably connected to the upper part of the lifting plate 15;

[0029] By setting the water inlet pipe 9 and the drain pipe 7, the water tank 8 can be filled with water and drained. By the limit block 11 sliding inside the limit groove 12, the dynamic pressure plate 6 can be connected with the valve, and the inside of the valve can be inflated for detection. The valve is protected and prevented from damage by setting the cushion block 25. By the slider 16 sliding inside the slide groove 18, the lifting plate 15 can be driven to move downward, so that the water level submerges the valve. By the lifting plate 15 sliding inside the water tank 8, the water inside the water tank 8 can submerge the valve, which is convenient for the subsequent detection of the valve. By the sliding plate 13 sliding on the upper part of the lifting plate 15, valves of different sizes can be clamped.

[0030] Working principle: When using this device, place the valve on the pad 25 on the upper part of the lifting plate 15, rotate the rotating block 23, the rotating block 23 drives the rotating shaft 24 to rotate, the rotating shaft 24 drives the two-way threaded rod 14 to rotate, the two-way threaded rod 14 drives the sliding plate 13 to move inward, and at the same time, the limit rod 20 slides on the inner rear side of the sliding plate 13 to limit, the sliding plate 13 drives the left and right groups of springs 21 to move towards each other, and through the movement of the two groups of springs 21, the two clamping plates 22 are driven to move towards each other, thereby completing the clamping work of the valve. By controlling the lateral displacement distance of the two sliding plates 13, it can adapt to the clamping work of valves of different sizes, and water is injected into the water tank 8 through the water inlet pipe 9. When the water is injected to a suitable When the amount is reached, the electric push rod 17 is started to move downward, and the slider 16 slides in the slide groove 18 to limit the position, so that the water height submerges the valve, and the cylinder 3 is started. The cylinder 3 drives the mounting plate 5 to move downward, and the limit block 11 slides in the limit groove 12 for guidance, thereby driving the pressure plate 6 to connect with the valve, and starting the controller 2 so that the high-pressure gas enters the gas pipe 10 from the air inlet pipe 1, and enters the center position of the lower surface of the pressure plate 6 from the gas pipe 10 for output, thereby inflating the inside of the valve. The staff observes whether bubbles appear in the water tank 8. If bubbles appear, it means that the valve has poor air tightness and is an unqualified product. If no bubbles appear, it proves that the valve has good air tightness and is a qualified product.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve high pressure testing device, comprising a test stand (4), characterized in that: The upper part of the test frame (4) is fixedly connected to a cylinder (3), the lower part of the cylinder (3) is fixedly connected to a mounting plate (5), the lower part of the mounting plate (5) is fixedly connected to a pressing plate (6), the outer part of the mounting plate (5) is fixedly connected to a limiting block (11), and limiting grooves (12) are provided on both sides of the interior of the test frame (4). The left side of the upper part of the test frame (4) is fixedly connected to a controller (2), the left part of the controller (2) is provided with an air intake pipe (1), the lower part of the controller (2) is fixedly connected to an air supply pipe (10), and the air supply pipe (10) is fixedly connected to the front part of the pressing plate (6). The inner bottom of the test frame (4) is fixedly connected to a water tank (8), the interior of the water tank (8) is provided with a lifting plate (15), and the upper part of the lifting plate (15) is provided with a clamping assembly.

2. The valve high pressure testing device according to claim 1, characterized in that: The clamping assembly comprises a fixed plate (19), wherein the fixed plate (19) is fixedly connected to both sides of the upper part of the lifting plate (15), the inner front side of the fixed plate (19) is rotatably connected to a bidirectional threaded rod (14), the right part of the bidirectional threaded rod (14) is fixedly connected to a rotating shaft (24), the right part of the rotating shaft (24) is fixedly connected to a rotating block (23), the outer part of the bidirectional threaded rod (14) is threadedly connected to a sliding plate (13), the inner rear side of the fixed plate (19) is fixedly connected to a limiting rod (20), and the limiting rod (20) slides The lifting plate (15) is connected to the inner rear side of the sliding plate (13); a clamping plate (22) is arranged on the inner side of the sliding plate (13); a spring (21) is fixedly connected to the outer side of the clamping plate (22); the spring (21) is fixedly connected to the inner side of the sliding plate (13); electric push rods (17) are fixedly connected to the lower sides of the lifting plate (15); the electric push rods (17) are fixedly connected to the inner bottom of the water tank (8); a sliding block (16) is fixedly connected to the outer side of the lifting plate (15); and sliding grooves (18) are provided on the inner sides of the water tank (8).

3. The valve high pressure testing device according to claim 1, characterized in that: The left part of the water tank (8) is provided with a water inlet pipe (9), and the left part of the water tank (8) is provided with a drain pipe (7).

4. The valve high pressure testing device according to claim 1, characterized in that: The limiting block (11) is slidably connected inside the limiting groove (12).

5. The valve high pressure testing device according to claim 1, characterized in that: A cushion block (25) is provided on the upper portion of the lifting plate (15).

6. The valve high pressure testing device according to claim 2, characterized in that: The sliding block (16) is slidably connected inside the sliding groove (18).

7. The valve high pressure testing device according to claim 1, characterized in that: The lifting plate (15) is slidably connected inside the water tank (8).

8. The valve high pressure testing device according to claim 2, characterized in that: The sliding plate (13) is slidably connected to the upper part of the lifting plate (15).

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