Adjustable hydraulic valve pressure test bench

Abstract

The utility model belongs to the technical field of hydraulic valve detection, and particularly discloses an adjustable hydraulic valve pressure test board, which comprises a bottom plate, identical side plates are fixedly mounted on two sides of the bottom plate, a top plate is fixedly connected to the tops of the side plates, a base is mounted at the upper end, close to the right side, of the bottom plate, a three-way pipe is fixedly mounted at the upper end of the base, and a three-way valve is fixedly mounted at the lower end of the three-way pipe. A mounting seat is arranged in the middle of the three-way pipe towards the left side, and an air bag is arranged in the middle of the mounting seat; a movable plate is arranged at the position, close to the left side, of the upper end of the bottom plate, fixing rods penetrating into the side plates at the two ends are arranged at the end corners of the periphery of the movable plate, a fixing shaft is arranged in the middle of the side, close to the three-way pipe, of the movable plate, and a mounting groove is fixedly formed in one end of the fixing shaft. The center point of the mounting groove and the center point of the mounting base are located on the same horizontal line, a hydraulic cylinder is fixedly arranged on the outer side of the end, close to the movable plate, of the side plate, and the output end of the hydraulic cylinder is connected to one side of the movable plate.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic valve detection, in particular to an adjustable hydraulic valve pressure test bench. Background Art

[0002] A hydraulic valve is an automated component operated by pressurized oil. It is controlled by the pressure oil of a pressure regulating valve and is usually used in combination with an electromagnetic pressure regulating valve. It can be used to remotely control the on / off of oil, gas, and water pipeline systems in hydropower stations. Before leaving the factory, the hydraulic valve must be tested for its air tightness, actual practical life, and maximum liquid pressure to meet the actual practical needs of the hydraulic valve.

[0003] Existing hydraulic valves are directly placed in the test device without being fixed, which may cause the hydraulic valve to slip during the pressure test, thus causing danger. Utility Model Content

[0004] The utility model aims to provide an adjustable hydraulic valve pressure test bench to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable hydraulic valve pressure test bench, comprising a bottom plate, the two sides of the bottom plate are fixedly installed with the same side plates, the top of the side plates is fixedly connected to the top plate, the upper end of the bottom plate is installed near the right side, the upper end of the base is fixedly installed with a three-way pipe, the middle part of the three-way pipe is provided with a mounting seat facing the left side, and the middle part of the mounting seat is provided with an air bag; the upper end of the bottom plate is provided with a movable plate near the left side, the four corners of the movable plate are provided with fixing rods that penetrate into the inside of the two end side plates, a fixed shaft is provided in the middle of one side of the movable plate close to the three-way pipe, a mounting groove is fixedly provided at one end of the fixed shaft, a sealing gasket is provided in the mounting groove, the center point of the mounting groove is on the same horizontal line as the center point of the mounting seat, and a hydraulic cylinder is fixedly provided on the outer side of the side plate close to one end of the movable plate, and the output end of the hydraulic cylinder is connected to one side of the movable plate.

[0006] Preferably, a liquid outlet is provided in the middle of the front side of the three-way pipe, one side of the liquid outlet is connected to a valve, and a liquid inlet is provided at the top of the three-way pipe.

[0007] Preferably, a water pump is provided on the top of the top plate, and a water pipe is fixedly mounted on the output end of the water pump, and the other end of the water pipe is connected to the liquid inlet end of the three-way pipe.

[0008] Preferably, the water delivery pipe is provided with a solenoid valve, a pressure gauge and a pressure sensor in sequence from top to bottom.

[0009] Preferably, an air pump is provided on the top of the top plate and installed on one side of the water pump, an air pipe is fixedly mounted on the output end of the air pump, and the other end of the air pipe is connected to an air bag on the mounting seat.

[0010] Preferably, the sealing gasket is made of elastic rubber material, and an annular indentation is provided at one end of the sealing gasket close to the mounting seat.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model sets a movable plate to cooperate with the fixed rod, and drives the mounting groove to move through the movable plate. A sealing gasket is set in the mounting groove, and the sealing gasket is elastic rubber. When the hydraulic cylinder clamps the valve to be tested, the elastic rubber is deformed. At the same time, an airbag is set at one end of the mounting seat, and the airbag is connected to the air pump. When in use, the airbag is in an expanded state. The two work together to ensure the sealing of the valve to be tested, avoiding the danger of movement caused by the hydraulic valve not being fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the sealing gasket of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the three-way pipe component of the utility model.

[0015] In the figure: 1. bottom plate; 2. side plate; 3. top plate; 4. base; 5. tee pipe; 51. liquid outlet; 52. liquid inlet; 53. mounting seat; 54. air bag; 6. water pump; 7. water pipe; 8. solenoid valve; 9. pressure sensor; 10. pressure gauge; 11. air pump; 12. air pipe; 13. movable plate; 14. fixing rod; 15. fixing shaft; 16. mounting groove; 17. sealing gasket; 18. hydraulic cylinder. DETAILED DESCRIPTION

[0016] 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.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: an adjustable hydraulic valve pressure test bench, comprising a bottom plate 1, the two sides of the bottom plate 1 are fixedly mounted with the same side plates 2, the top of the side plates 2 are fixedly connected with a top plate 3, the upper end of the bottom plate 1 is mounted with a base 4 near the right side, the upper end of the base 4 is fixedly mounted with a three-way pipe 5, the middle of the three-way pipe 5 is provided with a mounting seat 53 facing the left side, and the middle of the mounting seat 53 is provided with an air bag 54; the upper end of the bottom plate 1 is provided with a movable plate 13 near the left side, and the movable plate 1 3 is provided with fixing rods 14 penetrating into the inside of the side plates 2 at both ends, a fixing shaft 15 is provided in the middle of one side of the movable plate 13 close to the tee pipe 5, one end of the fixing shaft 15 is fixedly provided with a mounting groove 16, a sealing gasket 17 is provided in the mounting groove 16, the center point of the mounting groove 16 is on the same horizontal line as the center point of the mounting seat 53, a hydraulic cylinder 18 is fixedly provided on the outer side of the side plate 2 close to one end of the movable plate 13, and the output end of the hydraulic cylinder 18 is connected to one side of the movable plate 13.

[0020] Furthermore, a liquid outlet 51 is provided at the middle of the front side of the three-way pipe 5 , one side of the liquid outlet 51 is connected to a valve, and a liquid inlet 52 is provided at the top of the three-way pipe 5 .

[0021] Furthermore, a water pump 6 is provided on the top of the top plate 3 , and a water pipe 7 is fixedly mounted on the output end of the water pump 6 , and the other end of the water pipe 7 is connected to the liquid inlet end 52 of the three-way pipe 5 .

[0022] Furthermore, the water delivery pipe 7 is provided with a solenoid valve 8, a pressure gauge 10 and a pressure sensor 9 in sequence from top to bottom.

[0023] Furthermore, an air pump 11 is provided on the top of the top plate 3 and installed on one side of the water pump 6 , and an air pipe 12 is fixedly mounted on the output end of the air pump 11 , and the other end of the air pipe 12 is connected to the air bag 54 on the mounting seat 53 .

[0024] Furthermore, the sealing gasket 17 is made of elastic rubber material, and an annular indentation is provided at one end of the sealing gasket 17 close to the mounting seat 53 .

[0025] Working principle: The utility model provides an adjustable hydraulic valve pressure test bench, including a bottom plate 1, with identical side plates 2 fixedly installed on both sides of the bottom plate 1, a top plate 3 fixedly connected to the top of the side plate 2, a base 4 installed near the right side of the upper end of the bottom plate 1, a three-way pipe 5 fixedly installed on the upper end of the base 4, a mounting seat 53 is arranged in the middle of the three-way pipe 5 facing the left side, and an air bag 54 is arranged in the middle of the mounting seat 53; a movable plate 13 is arranged near the left side of the upper end of the bottom plate 1, and fixing rods 14 penetrating into the inside of the two end side plates 2 are arranged at the four corners of the movable plate 13, a fixed shaft 15 is arranged in the middle of one side of the movable plate 13 close to the three-way pipe 5, a mounting groove 16 is fixedly arranged at one end of the fixed shaft 15, a sealing gasket 17 is arranged in the mounting groove 16, and the center point of the mounting groove 16 is at the same level as the center point of the mounting seat 53 On the line, a hydraulic cylinder 18 is fixedly provided on the outer side of the side plate 2 near one end of the movable plate 13, and the output end of the hydraulic cylinder 18 is connected to one side of the movable plate 13; when in use, one end of the valve to be tested is sleeved on the mounting seat 53 of the three-way pipe 5, and then the hydraulic cylinder 18 is started, and the hydraulic cylinder 18 drives the movable plate 13 to move, and the sliding hole inside the movable plate 13 cooperates with the fixed rod 14 to realize the movement of the movable plate 13, and drives the mounting groove 16 to move, so that the valve to be tested is clamped between the sealing gasket 17 and the mounting seat 53, and then the air pump 11 is started to inject compressed air into the airbag 54, and the airbag 54 is expanded to seal the valve to be tested. At this time, the water pump 6 is started to allow the medium to enter the three-way pipe 5 through the liquid inlet end 52 at the top of the three-way pipe 5 and enter the valve to be tested, so as to perform a pressure test on the valve. After the test, the valve at the liquid outlet end 51 of the three-way pipe 5 is opened to discharge the medium.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable hydraulic valve pressure test bench, characterized in that: The invention comprises a bottom plate (1), the two sides of the bottom plate (1) are fixedly mounted with identical side plates (2), the top of the side plates (2) are fixedly connected with a top plate (3), the upper end of the bottom plate (1) is mounted with a base (4) near the right side, the upper end of the base (4) is fixedly mounted with a three-way pipe (5), the middle part of the three-way pipe (5) is provided with a mounting seat (53) facing the left side, and the middle part of the mounting seat (53) is provided with an air bag (54); the upper end of the bottom plate (1) is near the left side and a movable plate (13) is provided at the four corners of the movable plate (13) and extends to both ends. A fixing rod (14) is arranged inside the side plate (2); a fixing shaft (15) is arranged in the middle of one side of the movable plate (13) close to the three-way pipe (5); a mounting groove (16) is fixedly arranged at one end of the fixing shaft (15); a sealing gasket (17) is arranged in the mounting groove (16); the center point of the mounting groove (16) is on the same horizontal line as the center point of the mounting seat (53); a hydraulic cylinder (18) is fixedly arranged on the outer side of one end of the side plate (2) close to the movable plate (13); and the output end of the hydraulic cylinder (18) is connected to one side of the movable plate (13).

2. The adjustable hydraulic valve pressure test bench according to claim 1, characterized in that: A liquid outlet (51) is provided at the middle of the front side of the three-way pipe (5), one side of the liquid outlet (51) is connected to a valve, and a liquid inlet (52) is provided at the top of the three-way pipe (5).

3. The adjustable hydraulic valve pressure test bench according to claim 2, characterized in that: A water pump (6) is arranged on the top of the top plate (3); a water delivery pipe (7) is fixedly mounted on the output end of the water pump (6); and the other end of the water delivery pipe (7) is connected to the liquid inlet end (52) of the three-way pipe (5).

4. The adjustable hydraulic valve pressure test bench according to claim 3, characterized in that: The water delivery pipe (7) is provided with a solenoid valve (8), a pressure gauge (10) and a pressure sensor (9) in sequence from top to bottom.

5. The adjustable hydraulic valve pressure test bench according to claim 3, characterized in that: An air pump (11) is provided on the top of the top plate (3) and is installed on one side of the water pump (6); an air supply pipe (12) is fixedly mounted on the output end of the air pump (11); the other end of the air supply pipe (12) is connected to an air bag (54) on the mounting seat (53).

6. The adjustable hydraulic valve pressure test bench according to claim 1, characterized in that: The sealing gasket (17) is made of elastic rubber material, and an annular indentation is provided at one end of the sealing gasket (17) close to the mounting seat (53).

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