Valve testing device

Abstract

The utility model provides a valve testing device. Comprising a water supply pool, a water return pool, a quantitative funnel, a main output pipe, a plurality of three-way joints, a first control valve, a second control valve, a first output branch pipe, a second output branch pipe, a third output branch pipe, a fourth output branch pipe, a fifth output branch pipe, a return pipe, a first test valve, a second test valve, a third test valve, a fourth test valve, a fifth test valve and a sixth test valve, a water supply pump is installed in the water supply pool, a main output pipe is installed on the water supply pump of the water supply pool, and the test valves and the output branch pipes are installed according to design. The valve testing device is reasonable in design, convenient to operate, capable of testing multiple functions of multiple valves at a time, capable of adjusting testing parameters and feeding back detection conditions in real time according to actual requirements and high in detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of valve testing, in particular to a valve testing device. Background Art

[0002] Valves are control components in pipeline fluid delivery systems. They are used to change the cross-section of the passage and the direction of medium flow. They have functions such as diversion, shutoff, throttling, non-return, diversion or overflow pressure relief. After the valve is produced, it is necessary to test the valve in terms of pressure, flow, service life and other aspects to ensure the stability of the valve. However, valves used for fluid control, from the simplest shut-off valve to various valves used in extremely complex automatic control systems, have a wide variety of varieties and specifications. The existing valve pressure test device has a single function and a small test range. Generally, it can only test a single product of the same type, resulting in low test efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model proposes a valve testing device, which can test multiple functions of multiple valves at one time, adjust test parameters according to actual requirements, and provide real-time feedback on the detection situation, with high detection efficiency.

[0004] To realize the above technical scheme, the utility model provides a valve testing device, including: a water supply tank, a water return tank and a quantitative funnel, a water supply pump is installed in the water supply tank, a main output pipe is installed on the water supply pump of the water supply tank, a first three-way joint is installed on the main output pipe, a first output branch pipe is connected to the first outlet of the first three-way joint, a first test valve is installed on the first output branch pipe, a second three-way joint is installed at the water outlet of the first test valve, a second output branch pipe is installed at the first outlet of the second three-way joint, a third three-way joint is installed on the second output branch pipe, a second test valve is installed at the first outlet of the third three-way joint, the outlet of the second test valve is connected to the water return tank through a pipeline, a second control valve is installed at the second outlet of the third three-way joint, the outlet of the second control valve is connected to the water return tank through a pipeline, the second outlet of the second three-way joint is installed with the first control valve, the water outlet of the first control valve is connected to the quantitative funnel through a pipeline, and a third test valve is installed at the water outlet of the quantitative funnel. The water outlet of the third test valve is connected to the return water tank through a pipeline, a fourth three-way joint is installed at the second water outlet of the first three-way joint, a first plug is installed at the second water outlet of the fourth three-way joint, a third output branch pipe is installed at the first water outlet of the fourth three-way joint, a fifth three-way joint is installed on the third output branch pipe, a fourth output branch pipe is installed at the first water outlet of the fifth three-way joint, a fourth test valve is installed on the fourth output branch pipe, a sixth three-way joint is installed at the second water outlet of the fifth three-way joint, a second plug is installed at the second outlet of the sixth three-way joint, a fifth test valve is installed at the first outlet of the sixth three-way joint, a sixth test valve is installed at the water outlet of the fifth test valve, the water outlet of the sixth test valve is connected to the first water inlet of the seventh three-way joint through a pipeline, the water outlet of the fourth test valve is connected to the second water inlet of the seventh three-way joint through a pipeline, the water outlet of the seventh three-way joint is connected to the water inlet of the return pipe through a pipeline, and the water outlet of the return pipe is connected to the return water tank.

[0005] In the above technical solution, during actual operation, the first test valve, the second test valve, the third test valve, the fourth test valve, the fifth test valve and the sixth test valve are installed at the designed positions, and then the water supply pump installed in the water supply tank is turned on, and the flow direction of the waterway can be controlled by the first control valve and the second control valve. When the first control valve and the second control valve are both closed, the pressure and service life of the fourth test valve, the fifth test valve and the sixth test valve can be tested. When the first control valve is opened and the second control valve is closed, the pressure and service life of the first test valve can be tested, and the flow rate of the third test valve can be tested at the same time. When the first control valve is closed and the second control valve is opened, the pressure and service life of the second test valve can be tested. When the first control valve and the second control valve are both opened, the pressure and service life of the first test valve, the second test valve, the fourth test valve, the fifth test valve and the sixth test valve can be tested, and the flow rate of the third test valve can be tested at the same time.

[0006] Preferably, a circulation pump is installed in the return water tank, the return water tank is connected to the water supply tank through a circulation pipe, and a third control valve is installed on the circulation pipe. In actual operation, the test water in the return water tank can be re-transported to the water supply tank through the circulation pump and the circulation pipe to realize the circulation of the test water.

[0007] Preferably, a pressure gauge is installed at the water inlet of the first control valve, and the pressure gauge can be used to monitor the pressure changes in the system in real time so as to make corresponding adjustments.

[0008] Preferably, the first test valve, the second test valve, the third test valve, the fourth test valve, the fifth test valve and the sixth test valve are all connected to the pipeline via threads, which facilitates both the quick installation and the quick replacement of each test valve.

[0009] Preferably, a top cover is installed on the top of the return water tank to facilitate maintenance of the return water tank.

[0010] The beneficial effect of a valve testing device provided by the utility model is that the valve testing device is reasonably designed and easy to operate. It can test multiple functions of multiple valves at one time, and can adjust the test parameters according to actual requirements, and feedback the detection situation in real time, with high detection efficiency. In actual work, the first test valve, the second test valve, the third test valve, the fourth test valve, the fifth test valve and the sixth test valve are installed in the designed position, and then the water supply pump installed in the water supply tank is turned on, and the flow direction of the waterway can be controlled by the first control valve and the second control valve. When the first control valve and the second control valve are both closed, the pressure and service life of the fourth test valve, the fifth test valve and the sixth test valve can be tested. When the first control valve is opened and the second control valve is closed, the pressure and service life of the first test valve can be tested, and the flow of the third test valve can be tested at the same time. When the first control valve is closed and the second control valve is opened, the pressure and service life of the second test valve can be tested. When the first control valve and the second control valve are both open, the pressure and service life of the first test valve, the second test valve, the fourth test valve, the fifth test valve and the sixth test valve can be tested, and the flow of the third test valve can be tested at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front view of the three-dimensional structure of the utility model.

[0012] Figure 2 It is a rear view of the three-dimensional structure of the utility model.

[0013] In the figure: 1, water supply pump; 2, return water tank; 3, quantitative funnel; 4, main output pipe; 5, first three-way joint; 6, second three-way joint; 7, first control valve; 8, second control valve; 9, first output branch pipe; 10, second output branch pipe; 11, third three-way joint; 12, fourth three-way joint; 13, first plug; 14, third output branch pipe; 15, fifth three-way joint; 16, fourth output branch pipe; 17, sixth three-way joint; 18, second plug; 19, fifth output branch pipe; 20, seventh three-way joint; 21, return pipe; 22, top cover; 23, pressure gauge; 24, circulation pipe; 25, third control valve; 31, first test valve; 32, second test valve; 33, third test valve; 34, fourth test valve; 35, fifth test valve; 36, sixth test valve. DETAILED DESCRIPTION

[0014] 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. All other embodiments obtained by ordinary personnel in this field without creative work are within the scope of protection of the utility model.

[0015] Embodiment: A valve testing device.

[0016] Reference Figure 1 to Figure 2 As shown, a valve testing device comprises: a water supply tank 1, a return water tank 2 and a quantitative funnel 3. A water supply pump is installed in the water supply tank 1, a circulation pump is installed in the return water tank 2, and the return water tank 2 is connected to the water supply tank 1 through a circulation pipe 24, and a third control valve 25 is installed on the circulation pipe 24. In actual operation, the test water in the return water tank 2 can be re-transported to the water supply tank 1 through the circulation pump and the circulation pipe 24 to realize the circulation of the test water. A top cover 22 is installed on the top of the return water tank 2 to facilitate the maintenance of the return water tank 2.

[0017] A main output pipe 4 is installed on the water supply pump 1 of the water supply pool, and a first three-way joint 5 is installed on the main output pipe 4. A first output branch pipe 9 is connected to the first outlet of the first three-way joint 5, and a first test valve 31 is installed on the first output branch pipe 9. A second three-way joint 6 is installed at the water outlet of the first test valve 31, and a second output branch pipe 10 is installed at the first outlet of the second three-way joint 6. A third three-way joint 11 is installed on the second output branch pipe 10, and a second test valve 32 is installed at the first outlet of the third three-way joint 11. The outlet of the second test valve 32 is connected to the return water pool 2 through a pipeline, and a second control valve 8 is installed at the second outlet of the third three-way joint 11. The outlet of the second control valve 8 is connected to the return water pool 2 through a pipeline. In actual operation, the second control valve 8 can be used to control whether the water path passes through the second test valve 32, thereby controlling whether the second test valve 32 is controlled, and controlling the test pressure and flow of the second test valve 32.

[0018] A first control valve 7 is installed at the second outlet of the second three-way joint 6, and a water outlet of the first control valve 7 is connected to the quantitative funnel 3 through a pipeline. A third test valve 33 is installed at the water outlet of the quantitative funnel 3, and a water outlet of the third test valve 33 is connected to the return water tank 2 through a pipeline. During actual operation, the water level in the quantitative funnel 3 can be controlled by the first control valve 7, and the flow rate of the third test valve 33 can be measured by observing the change of the water level in the quantitative funnel 3. A pressure gauge 23 is installed at the water inlet of the first control valve 7, and the pressure change in the system can be monitored in real time through the pressure gauge 23 so as to make corresponding adjustments.

[0019] A fourth three-way joint 12 is installed at the second water outlet of the first three-way joint 5, a first plug 13 is installed at the second water outlet of the fourth three-way joint 12, a third output branch pipe 14 is installed at the first water outlet of the fourth three-way joint 12, a fifth three-way joint 15 is installed on the third output branch pipe 14, a fourth output branch pipe 16 is installed at the first water outlet of the fifth three-way joint 15, a fourth test valve 34 is installed on the fourth output branch pipe 16, a sixth three-way joint 17 is installed at the second water outlet of the fifth three-way joint 15, and the sixth three A second plug 18 is installed at the second outlet of the through joint 17, a fifth test valve 35 is installed at the first outlet of the sixth three-way joint 17, a sixth test valve 36 is installed at the water outlet of the fifth test valve 35, the water outlet of the sixth test valve 36 is connected to the first water inlet of the seventh three-way joint 20 through a pipeline, the water outlet of the fourth test valve 34 is connected to the second water inlet of the seventh three-way joint 20 through a pipeline, the water outlet of the seventh three-way joint 20 is connected to the water inlet of the return pipe 21 through a pipeline, and the water outlet of the return pipe 21 is connected to the return water tank 2. The first test valve 31, the second test valve 32, the third test valve 33, the fourth test valve 34, the fifth test valve 35 and the sixth test valve 36 are all connected to the pipeline through threads, and the threaded connection is convenient for both the rapid installation and the rapid replacement of each test valve.

[0020] The valve testing device is reasonably designed and easy to operate. It can test multiple functions of six valves at one time, and can adjust the test parameters according to actual requirements, and provide real-time feedback on the detection situation, with high detection efficiency. In actual operation, the first test valve 31, the second test valve 32, the third test valve 33, the fourth test valve 34, the fifth test valve 35 and the sixth test valve 36 are installed in the designed positions respectively, and then the water supply pump installed in the water supply tank 1 is turned on, and the flow direction of the waterway can be controlled by the first control valve control 7 and the second control valve 8. When the first control valve control 7 and the second control valve 8 are both closed, the pressure and service life of the fourth test valve 34, the fifth test valve 35 and the sixth test valve 36 can be tested. When the first control valve 7 is opened and the second control valve 8 is closed, the pressure and service life of the first test valve 31 can be tested, and the flow rate of the third test valve 33 can be tested at the same time. When the first control valve 7 is closed and the second control valve 8 is opened, the pressure and service life of the second test valve 32 can be tested. When the first control valve 7 and the second control valve 8 are both opened, the pressure and service life of the first test valve 31, the second test valve 32, the fourth test valve 34, the fifth test valve 35 and the sixth test valve 36 can be tested, and the flow of the third test valve 33 can be tested at the same time.

[0021] The above is only a preferred embodiment of the present invention, but the present invention should not be limited to the contents disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit disclosed in the present invention shall fall within the scope of protection of the present invention.

Claims

1. A valve testing device, characterized in that include: A water supply tank, a water return tank and a quantitative funnel, wherein a water supply pump is installed in the water supply tank, a main output pipe is installed on the water supply pump of the water supply tank, a first three-way joint is installed on the main output pipe, a first output branch pipe is connected to the first outlet of the first three-way joint, a first test valve is installed on the first output branch pipe, a second three-way joint is installed at the water outlet of the first test valve, a second output branch pipe is installed at the first outlet of the second three-way joint, a third three-way joint is installed on the second output branch pipe, a second test valve is installed at the first outlet of the third three-way joint, the outlet of the second test valve is connected to the water return tank through a pipeline, a second control valve is installed at the second outlet of the third three-way joint, the outlet of the second control valve is connected to the water return tank through a pipeline, the second outlet of the second three-way joint is installed with the first control valve, the water outlet of the first control valve is connected to the quantitative funnel through a pipeline, a third test valve is installed at the water outlet of the quantitative funnel, and the water outlet of the third test valve is connected to the water return tank through a pipeline. A water pool is connected, a fourth three-way joint is installed at the second water outlet of the first three-way joint, a first plug is installed at the second water outlet of the fourth three-way joint, a third output branch pipe is installed at the first water outlet of the fourth three-way joint, a fifth three-way joint is installed on the third output branch pipe, a fourth output branch pipe is installed at the first water outlet of the fifth three-way joint, a fourth test valve is installed on the fourth output branch pipe, a sixth three-way joint is installed at the second water outlet of the fifth three-way joint, a second plug is installed at the second outlet of the sixth three-way joint, a fifth test valve is installed at the first outlet of the sixth three-way joint, a sixth test valve is installed at the water outlet of the fifth test valve, the water outlet of the sixth test valve is connected to the first water inlet of the seventh three-way joint through a pipeline, the water outlet of the fourth test valve is connected to the second water inlet of the seventh three-way joint through a pipeline, the water outlet of the seventh three-way joint is connected to the water inlet of the return pipe through a pipeline, and the water outlet of the return pipe is connected to the return water pool.

2. The valve testing device according to claim 1, characterized in that: A circulation pump is installed in the return water tank. The return water tank is connected to the water supply tank through a circulation pipe. A third control valve is installed on the circulation pipe.

3. The valve testing device according to claim 1, characterized in that: A pressure gauge is installed at the water inlet of the first control valve.

4. The valve testing device according to claim 1, characterized in that: The first test valve, the second test valve, the third test valve, the fourth test valve, the fifth test valve and the sixth test valve are all connected to the pipeline via threads.

5. The valve testing device according to claim 1, characterized in that: A top cover is installed on the top of the return water tank.

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