CN220956003U - Water pump test device - Google Patents

Water pump test device Download PDF

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Publication number
CN220956003U
CN220956003U CN202323165713.7U CN202323165713U CN220956003U CN 220956003 U CN220956003 U CN 220956003U CN 202323165713 U CN202323165713 U CN 202323165713U CN 220956003 U CN220956003 U CN 220956003U
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China
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test
water
pump
communication
steady flow
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CN202323165713.7U
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Chinese (zh)
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唐云傲
汪明玥
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SHENYANG BLOWER WORKS GROUP NUCLEAR POWER PUMP CO Ltd
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SHENYANG BLOWER WORKS GROUP NUCLEAR POWER PUMP CO Ltd
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Abstract

The application provides a water pump test device which comprises a steady flow tank, a test pump, a first communication pipeline and a second communication pipeline, wherein the steady flow tank comprises a water outlet and a water inlet, the water inlet end of the test pump is communicated with the water outlet of the steady flow tank through the first communication pipeline, and the water outlet end of the test pump is communicated with the water inlet of the steady flow tank through the second communication pipeline, so that a closed circulation loop is formed. Through setting up stationary flow jar, test pump, first intercommunication pipeline and second intercommunication pipeline along flow path direction intercommunication in proper order can form a closed circulation circuit, make closed circulation circuit fill water and can test and need not to test pump entry pipeline evacuation to the preparation work before having reduced the test has simplified test operation step simultaneously, in order to make the test process simple and clear, improved work efficiency.

Description

Water pump test device
Technical Field
The application belongs to the technical field of water pump testing, and particularly relates to a water pump testing device.
Background
As a common machine in the field of fluid transport, the performance of a water pump is critical to the efficiency and economy of the fluid transport process. Therefore, it is necessary to detect the quality of the manufactured product and accurately measure various performance parameters thereof.
At present, when the existing water pump products are tested, referring to fig. 1, an open loop is adopted in a test pipeline, a vacuum pump is needed to be used for vacuumizing an inlet pipeline of the water pump before the test is opened, the test can be carried out until the inlet pipeline is full of water, the whole process is complex, time is consumed for a long time, noise is large, and the working efficiency is low.
Disclosure of utility model
Therefore, the technical problem to be solved by the application is to provide the water pump test device which can simplify test operation steps and improve working efficiency.
In order to solve the problems, the application provides a water pump test device, which comprises a steady flow tank, a test pump, a first communication pipeline and a second communication pipeline, wherein the steady flow tank comprises a water outlet and a water inlet, the water inlet end of the test pump is communicated with the water outlet of the steady flow tank through the first communication pipeline, and the water outlet end of the test pump is communicated with the water inlet of the steady flow tank through the second communication pipeline, so that a closed circulation loop is formed.
Optionally, the water outlet and the water inlet are arranged at the bottom of the steady flow tank.
Optionally, the steady flow tank further comprises a water filling port, and the water filling port is arranged at the bottom of the steady flow tank.
Optionally, the water pump test device comprises a first exhaust unit, the first exhaust unit is communicated with the steady flow tank, and the first exhaust unit is arranged at the top of the steady flow tank.
Optionally, the water pump test device further includes a second exhaust unit, at least two second exhaust units are provided, and at least two second exhaust units are respectively communicated with the first communication pipeline and the second communication pipeline.
Optionally, the water pump test device further comprises a first detection unit and a second detection unit, wherein the first detection unit is communicated with the water inlet end of the test pump and is used for monitoring the water inlet pressure of the test pump, and the second detection unit is communicated with the water outlet end of the test pump and is used for monitoring the water outlet pressure of the test pump.
Optionally, the water pump test device further comprises a third exhaust unit, and the third exhaust unit is communicated with the first detection unit.
Optionally, the water pump test device further comprises a fourth exhaust unit, and the fourth exhaust unit is communicated with the second detection unit.
Optionally, the water pump test device further comprises a heat exchanger, wherein the heat exchanger is communicated with the second communication pipeline and is used for reducing the water temperature of the closed circulation loop.
Optionally, the diameter of the first communication pipeline is larger than the diameter of the second communication pipeline.
Advantageous effects
According to the water pump test device provided by the embodiment of the utility model, the steady flow tank, the test pump, the first communication pipeline and the second communication pipeline are sequentially communicated along the flow path direction to form the closed circulation loop, so that the closed circulation loop can be filled with water for a test without vacuumizing the inlet pipeline of the test pump, the preparation work before the test is reduced, and meanwhile, the test operation steps are simplified, so that the test process is simple and clear, and the work efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional water pump test line;
fig. 2 is a schematic structural diagram of a water pump test device according to an embodiment of the present application.
The reference numerals are expressed as:
1. A steady flow tank; 2. a test pump; 3. a first communication line; 4. a second communication line; 5. a first exhaust unit; 6. a second exhaust unit; 7. a third exhaust unit; 8. a fourth exhaust unit; 9. a first detection unit; 10. a second detection unit; 11. a heat exchanger; 12. an inlet valve; 13. an outlet valve.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As a common machine in the field of fluid transport, the performance of a water pump is critical to the efficiency and economy of the fluid transport process. Therefore, it is necessary to detect the quality of the manufactured product and accurately measure various performance parameters thereof.
At present, when the existing water pump products are tested, referring to fig. 1, an open loop is adopted in a test pipeline, a vacuum pump is needed to be used for vacuumizing an inlet pipeline of the water pump before the test is opened, the test can be carried out until the inlet pipeline is full of water, the whole process is complex, time is consumed for a long time, noise is large, and the working efficiency is low. Meanwhile, when an open loop is adopted in the test pipeline, the cavitation test method of the water pump is single, and when the cavitation allowance is too large or small, the test cannot be performed.
The utility model aims to provide a water pump test device which can form a closed circulation loop to test a water pump product, so that test operation steps can be simplified, and the working efficiency is improved.
Referring to fig. 2 in combination, according to an embodiment of the present application, there is provided a water pump test device, including a steady flow tank 1, a test pump 2, a first communication pipeline 3 and a second communication pipeline 4, where the steady flow tank 1 includes a water outlet and a water inlet, a water inlet end of the test pump 2 is communicated with the water outlet of the steady flow tank 1 through the first communication pipeline 3, and a water outlet end of the test pump 2 is communicated with the water inlet of the steady flow tank 1 through the second communication pipeline 4, so as to form a closed circulation loop.
According to the water pump test device provided by the embodiment of the utility model, the steady flow tank 1, the test pump 2, the first communication pipeline 3 and the second communication pipeline 4 are sequentially communicated along the flow path direction to form a closed circulation loop, so that the closed circulation loop can be filled with water for a test without vacuumizing an inlet pipeline of the test pump 2, the preparation work before the test is reduced, the test operation steps are simplified, the test process is simple and clear, and the working efficiency is improved.
The test pump 2 may be a water pump for product test.
The product test may include a performance test, a cavitation test, a durability test, or the like.
Wherein, the test pump 2 is communicated with the steady flow tank 1 through the first communication pipeline 3 and the second communication pipeline 4 to form a closed circulation loop.
The steady flow tank 1 may be a vertical steady flow tank 1 or a horizontal steady flow tank 1, etc., and in the embodiment of the present application, the steady flow tank 1 is a vertical steady flow tank 1. The steady flow tank 1 is used for degassing the closed circulation loop, so that gas is prevented from entering the test pump 2, and the accuracy of the performance test result of the test pump 2 is improved.
The first communication pipeline 3 and the second communication pipeline 4 may be stainless steel pipes or carbon steel pipes, and the application is not limited thereto.
Specifically, the steady flow tank 1 comprises a water inlet and a water outlet. The first end of the first communication pipeline 3 is communicated with the water outlet of the steady flow tank 1, and the second end is communicated with the water inlet end of the test pump 2; the first end of the second communication pipeline 4 is communicated with the water inlet of the steady flow tank 1, and the second end is communicated with the water outlet end of the test pump 2. The solid test medium in the steady flow tank 1 can enter the test pump 2 through the first communication pipeline 3, and the test medium flowing through the test pump 2 can flow back to the steady flow tank 1 through the second communication pipeline 4, so that complete circulation is formed.
In the embodiment of the application, the test medium is liquid water.
Wherein in some possible embodiments provided by the present disclosure, the diameter of the first communication line 3 is larger than the diameter of the second communication line 4. The environment state of the test pump 2 during normal operation can be simulated by setting the diameter of the first communication pipeline 3 to be larger than that of the second communication pipeline 4, and the accuracy of the test result is improved.
The water pump test device further comprises an inlet valve 12 and an outlet valve 13, wherein the inlet valve 12 and the outlet valve 13 can be ball valves, electromagnetic valves or stop valves, and the like, and the application is not limited further.
Specifically, the inlet valve 12 is disposed on the first communication pipeline 3, and the inlet valve 12 is used for controlling the on-off state of the first communication pipeline 3; an outlet valve 13 is provided on the second communication pipe 4, the outlet valve 13 being used to control the on-off state of the second communication pipe 4. It can be understood that the communication state of the steady flow tank 1 and the test pump 2 can be controlled by arranging the inlet valve 12 and the outlet valve 13, so that the working stability of the water pump test device is improved.
Wherein, in the test, the inlet valve 12 and the outlet valve 13 are in a normally open state.
In some possible embodiments provided by the present disclosure, the water outlet and the water inlet are provided at the bottom of the steady flow tank 1.
The water outlet and the water inlet are arranged at the bottom of the steady flow tank 1, so that the test pump 2 is communicated with the bottom of the steady flow tank 1, gas in the closed circulation loop can be discharged by injecting water into the steady flow tank 1, and the gas inlet test pump 2 in the test process can be avoided, and the accuracy of the test result is improved.
Wherein the water outlet and the first communication pipeline 3 have the same cross-sectional shape, and the water inlet and the second communication pipeline 4 have the same cross-sectional shape.
Specifically, in the embodiment of the application, the first communication pipeline 3 and the second communication pipeline 4 are cylindrical, the water outlet and the water inlet are circular, and the diameter of the water outlet is larger than that of the water inlet.
In some possible embodiments provided by the present disclosure, the ballast tank 1 further includes a water injection port disposed at the bottom of the ballast tank 1.
The water filling port is arranged at the bottom of the steady flow tank 1, so that test media can directly flow to the test pump 2 through the water outlet and the water inlet after entering from the water filling port, and the closed circulating waterway is filled. Compared with the water injection port positioned in the middle or at the top of the steady flow tank 1, the water injection port is positioned at the bottom of the steady flow tank 1, so that the gas mixing in a test medium can be avoided, and the accuracy of a test result is improved.
When the water injection port is positioned in the middle or at the top of the steady flow tank 1, the test medium can drop down and easily mix with air when entering the steady flow tank 1.
Specifically, in the application, the water injection port is arranged at the bottom of the steady flow tank 1, and the test medium can stably flow into the steady flow tank 1 through the water injection port at the bottom of the steady flow tank 1 and flow into the closed circulation loop through the water outlet and the water inlet, so that the influence of the mixed gas in the closed circulation loop on the accuracy of the test result can be avoided.
In some possible embodiments provided by the present disclosure, the water pump test device includes a first exhaust unit 5, the first exhaust unit 5 is in communication with the ballast tank 1, and the first exhaust unit 5 is disposed at the top of the ballast tank 1.
The first exhaust unit 5 is arranged at the top of the steady flow tank 1, so that gas in the steady flow tank 1 can be discharged in the water injection process, the gas mixed in a closed circulation loop can be avoided, and the accuracy of a test result is improved.
The first exhaust unit 5 may be an exhaust valve or a needle valve, and the application is not limited thereto, and in the embodiment of the present application, the first exhaust unit 5 is an exhaust valve.
Specifically, the first exhaust unit 5 is fixedly disposed at the top of the steady flow tank 1, and is used for exhausting the gas in the steady flow tank 1.
The gas may be air or the like.
In some possible embodiments provided by the present disclosure, the water pump test device further includes a second exhaust unit 6, at least two second exhaust units 6 are provided, and at least two second exhaust units 6 are respectively communicated with the first communication pipeline 3 and the second communication pipeline 4.
Through set up the discharge valve respectively on first communication pipeline 3 and second communication pipeline 4 can be at the air in water injection in-process discharge first communication pipeline 3 and the second communication pipeline 4, improved closed circulation circuit's exhaust efficiency, and then improved work efficiency.
The second exhaust unit 6 is an exhaust valve, a needle valve, or the like, which is not further limited in application, and in the embodiment of the present application, the second exhaust unit 6 is an exhaust valve.
In the embodiment of the application, two second exhaust units 6 are provided, wherein one second exhaust unit 6 is communicated with the first communication pipeline 3, and the other second exhaust unit 6 is communicated with the second communication pipeline 4.
Specifically, the first exhaust unit 5 is provided at the highest point of the first communication pipe 3; the second exhaust unit 6 is disposed at the highest point of the second communication pipe 4, so that the exhaust effect of the first communication pipe 3 and the second communication pipe 4 can be improved, and the accuracy of the test result can be improved.
In some possible embodiments provided by the present disclosure, the water pump test device further includes a first detection unit 9 and a second detection unit 10, where the first detection unit 9 is connected to the water inlet end of the test pump 2 for monitoring the water inlet pressure of the test pump 2, and the second detection unit 10 is connected to the water outlet end of the test pump 2 for monitoring the water outlet pressure of the test pump 2.
The pressure of the water inlet and outlet ends of the test pump 2 can be detected respectively by arranging the first detection unit 9 and the second detection unit 10 so as to determine the pressure difference of the water inlet and outlet ends of the test pump 2, so that the lift of the test can be calculated, and the performance test of the test pump 2 can be completed.
The first detecting unit 9 and the second detecting unit 10 may be pressure gauges, pressure sensors, pressure transmitters, or the like, which is not limited in the present application.
Specifically, the first detection unit 9 is disposed on the first communication pipeline 3 and is disposed near the water inlet end of the test pump 2, and is used for monitoring the water inlet pressure of the test pump 2; the second detection unit 10 is arranged on the second communication pipeline 4 and is close to the water outlet end of the test pump 2 and used for monitoring the water outlet pressure of the test pump 2.
In some possible embodiments provided by the present disclosure, the water pump test device further comprises a third exhaust unit 7, the third exhaust unit 7 being in communication with the first detection unit 9.
By providing the third exhaust unit 7 and communicating the third exhaust unit 7 with the first detection unit 9, the gas entering the first detection unit 9 can be discharged during the water injection process, thereby improving the accuracy of the monitoring result of the first detection unit 9.
Wherein, as an implementation manner, the first detecting unit 9 is a pressure sensor or a pressure transmitter, and the third exhaust unit 7 is an exhaust valve, and the exhaust valve is arranged near a sampling point of the first detecting unit 9 at this time; as another embodiment, the first detecting unit 9 is a pressure gauge, and the third exhaust unit 7 is a needle valve, and the needle valve is disposed on a pipe line where the first detecting unit 9 communicates with the first communication pipe line 3. In the embodiment of the present application, the third exhaust unit 7 is a needle valve.
Specifically, the third exhaust unit 7 may be provided on a line where the first detection unit 9 is connected to the first communication line 3. In the present application, the third exhaust unit 7 is opened to exhaust the gas entering the first detection unit 9 when water is injected.
In some possible embodiments provided by the present disclosure, the water pump test device further includes a fourth exhaust unit 8, the fourth exhaust unit 8 being in communication with the second detection unit 10.
By providing the fourth exhaust unit 8 and communicating the fourth exhaust unit 8 with the second detection unit 10, the gas entering the second detection unit 10 can be discharged during the water injection process, thereby improving the accuracy of the monitoring result of the second detection unit 10.
Wherein, as an implementation manner, the second detecting unit 10 is a pressure sensor or a pressure transmitter, and the fourth exhaust unit 8 is an exhaust valve, and the exhaust valve is arranged near a sampling point of the second detecting unit 10; as another embodiment, the second detecting unit 10 is a pressure gauge, and the fourth exhaust unit 8 is a needle valve, and the needle valve is disposed on a line where the second detecting unit 10 communicates with the second communication line 4. In the embodiment of the present application, the fourth exhaust unit 8 is a needle valve.
Specifically, the fourth exhaust unit 8 may be disposed on a line where the second detection unit 10 is connected to the second communication line 4. In the present application, the fourth exhaust unit 8 is opened to exhaust the gas entering the second detection unit 10 when water is injected.
In some possible embodiments provided by the present disclosure, the water pump test device further includes a heat exchanger 11, and the heat exchanger 11 is in communication with the second communication line 4, for reducing the water temperature of the closed circulation loop.
The heat exchanger 11 is arranged on the second communication pipeline 4, so that the water temperature of the closed circulation loop can be reduced, and the water temperature of the closed circulation loop is prevented from rising due to long-term operation of the test pump 2 in the endurance test, and the working stability of the water pump test device is improved.
The heat exchanger 11 may be a radiator, an evaporator, or other cooling devices, and the application is not limited thereto.
Specifically, the heat exchanger 11 is arranged on the second communication pipeline 4, and the heat exchanger 11 is communicated with the second communication pipeline 4, so that the test medium in the second communication pipeline 4 can enter the heat exchanger 11, and flows back to the steady flow tank 1 after being cooled by the heat exchanger 11, thereby realizing the purpose of cooling the closed circulation loop.
Working principle:
Before the test starts, the water pump test device of the application injects test media into the steady flow tank 1 through the water filling port, at the moment, the first exhaust unit 5, the second exhaust unit 6, the third exhaust unit 7 and the fourth exhaust unit 8 are started to discharge the gas in the closed circulation loop, until the test media flow out of the first exhaust unit 5, the second exhaust unit 6, the third exhaust unit 7 and the fourth exhaust unit 8, the first exhaust unit 5, the second exhaust unit 6, the third exhaust unit 7 and the fourth exhaust unit 8 are closed, and then the test is started.
The beneficial effects are that:
According to the water pump test device provided by the embodiment of the utility model, the steady flow tank 1, the test pump 2, the first communication pipeline 3 and the second communication pipeline 4 are sequentially communicated along the flow path direction to form a closed circulation loop, so that the closed circulation loop can be filled with water for a test without vacuumizing an inlet pipeline of the test pump 2, the preparation work before the test is reduced, the test operation steps are simplified, the test process is simple and clear, and the working efficiency is improved.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.

Claims (10)

1. The utility model provides a water pump test device, its characterized in that includes stationary flow jar (1), test pump (2), first communication pipeline (3) and second intercommunication pipeline (4), stationary flow jar (1) are including delivery port and water inlet, the water inlet end of test pump (2) pass through first communication pipeline (3) with the delivery port of stationary flow jar (1) is linked together, the water outlet end of test pump (2) pass through second communication pipeline (4) with the water inlet of stationary flow jar (1) is linked together to form a closed circulation circuit.
2. The water pump test device according to claim 1, characterized in that the water outlet and the water inlet are arranged at the bottom of the steady flow tank (1).
3. The water pump test device according to claim 1, wherein the steady flow tank (1) further comprises a water injection port, which is provided at the bottom of the steady flow tank (1).
4. The water pump test device according to claim 1, characterized in that the water pump test device comprises a first exhaust unit (5), the first exhaust unit (5) is communicated with the steady flow tank (1), and the first exhaust unit (5) is arranged at the top of the steady flow tank (1).
5. The water pump test device according to claim 1, further comprising a second exhaust unit (6), wherein at least two second exhaust units (6) are provided, and at least two second exhaust units (6) are respectively communicated with the first communication pipeline (3) and the second communication pipeline (4).
6. The water pump test device according to claim 1, further comprising a first detection unit (9) and a second detection unit (10), wherein the first detection unit (9) is in communication with the water inlet end of the test pump (2) for monitoring the water inlet pressure of the test pump (2), and the second detection unit (10) is in communication with the water outlet end of the test pump (2) for monitoring the water outlet pressure of the test pump (2).
7. The water pump test device according to claim 6, further comprising a third exhaust unit (7), the third exhaust unit (7) being in communication with the first detection unit (9).
8. The water pump test device according to claim 6, further comprising a fourth exhaust unit (8), the fourth exhaust unit (8) being in communication with the second detection unit (10).
9. The water pump test device according to claim 1, further comprising a heat exchanger (11), the heat exchanger (11) being in communication with the second communication line (4) for reducing the water temperature of the closed circulation circuit.
10. The water pump test device according to claim 1, characterized in that the diameter of the first communication line (3) is larger than the diameter of the second communication line (4).
CN202323165713.7U 2023-11-22 2023-11-22 Water pump test device Active CN220956003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323165713.7U CN220956003U (en) 2023-11-22 2023-11-22 Water pump test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323165713.7U CN220956003U (en) 2023-11-22 2023-11-22 Water pump test device

Publications (1)

Publication Number Publication Date
CN220956003U true CN220956003U (en) 2024-05-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323165713.7U Active CN220956003U (en) 2023-11-22 2023-11-22 Water pump test device

Country Status (1)

Country Link
CN (1) CN220956003U (en)

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