CN109139498A - A kind of parallel water pump device - Google Patents
A kind of parallel water pump device Download PDFInfo
- Publication number
- CN109139498A CN109139498A CN201710503339.7A CN201710503339A CN109139498A CN 109139498 A CN109139498 A CN 109139498A CN 201710503339 A CN201710503339 A CN 201710503339A CN 109139498 A CN109139498 A CN 109139498A
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- Prior art keywords
- water pump
- pressure
- outlet
- valve
- solenoid valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
Abstract
The invention discloses a kind of parallel water pump devices, including water tank, hand-operated valve, flowmeter, rigid straight pipe, hose, solenoid valve, drain solenoid valve, pressure transmitter, telescopic sleeve, pressure-measuring pipe, electric control valve, hydraulic elevator platform and control cabinet.A kind of parallel water pump device of the invention is closed test device, using modularized design, can easily be mounted on water pump assembly line scene, reduce the transport of water pump.On the other hand, parallel water pump station is provided with hydraulic elevator platform, convenient to the high different testing pump in inlet and outlet center；Unit fixed on water pump suction and outlet are clamped with water pump connecting tube using hydraulic device, and automatic connection compresses, and alleviates the labor intensity of operator, improves parallel water pump efficiency.
Description
Technical field
The present invention relates to a kind of parallel water pump devices, especially for the parallel water pump dress of centrifugal pump hydraulic performance test
It sets.
Background technique
In the design process of centrifugal pump, the hydraulic performance by parallel water pump device to test water pump model machine, and root are needed
The optimization design of centrifugal pump is carried out according to test result.In order to guarantee that water pump factory meets the requirement of design, it is also desirable to pass through water pump
The hydraulic parameters of test device test water pump.Current parallel water pump device is typically all to concentrate design-build, therefore water pump fills
After completion, needs to be transported from assembly area to parallel water pump device and be tested.Parallel water pump pipeline connects under normal conditions
Connect all is manually, using the pipeline of the fastening means such as bolt connection water pump and parallel water pump device, operator's labor
Fatigue resistance is big, and testing efficiency is low.
In view of the above-mentioned problems, a kind of parallel water pump device of the invention is closed test device, using systematization, module
Change design, water pump assembly line scene can easily be mounted on, the transport of water pump is reduced, to reduce waste.On the other hand, water pump
Test station is provided with hydraulic elevator platform, to the high different testing pump in inlet and outlet center；Unit fixed on water pump suction and outlet connect with water pump
Adapter tube is compressed using hydraulic device, does not need the connection type of similar bolt, and automatic connection compresses, and alleviates the labor of operator
Fatigue resistance improves parallel water pump efficiency.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of parallel water pump devices, comprising:
Water tank is connect as the container of parallel water pump device storage water with import manually-operated gate and outlet manually-operated gate；
Import hand-operated valve is normally opened valve, closes during test device maintenance, disconnects the water tank and the parallel water pump
The connection of device inlet tube terminal；
Import electric control valve automatically adjusts valve aperture according to the control signal of device, to adjust pump capacity；
Flowmeter measures the flow of fluid media (medium) in the parallel water pump device and transmits a signal to control cabinet；
Rigid straight pipe is mounted in the parallel water pump device, conveying and the installation flowmeter for fluid media (medium)；
Inlet hose connects the flexible media conveyance conduit of flowmeter installation pipeline and the inlet solenoid valve；
Inlet solenoid valve, test unit fixed on water pump suction end fluid conveying described in automatic on and off, is normally open, and parallel water pump is complete
At rear closing；
Import drain solenoid valve is four way solenoid valve, during testing pumping drainage, automatic on and off pump entrance end
Pipeline and the external world are tested, and is connect with discharge pipe line and water is discharged；
Inlet pressure transmitter, measurement test unit fixed on water pump suction pressure, and pressure signal is sent to control cabinet and is handled；
Outlet pressure transmitter, measurement test water pump discharge pressure, and pressure signal is sent to control cabinet and is handled；
Import pressure-measuring pipe connect with the test unit fixed on water pump suction, installs the pipeline of the inlet pressure transmitter thereon；
Import telescopic sleeve, is socketed the import pressure-measuring pipe, and the import pressure-measuring pipe can move freely wherein；
Pressure-measuring pipe is exported, is connect with the test exit of pump, the pipeline of the outlet pressure transmitter is installed thereon；
Telescopic sleeve is exported, is socketed the outlet pressure-measuring pipe, the outlet pressure-measuring pipe can move freely wherein；
Outlet hose connects the flexible media conveyance conduit of the outlet telescopic sleeve and outfall drain solenoid valve；
Outfall drain solenoid valve is four way solenoid valve, during testing pumping drainage, automatic on and off pump outlet
Pipeline and the external world are tested, and is connect with discharge pipe line and water is discharged；
Outlet solenoid valve, test pump outlet fluid conveying described in automatic on and off, is normally open, and parallel water pump is complete
At rear closing；
Electric control valve is exported, valve aperture is automatically adjusted according to the control signal of device, to adjust pump capacity；
Hand-operated valve is exported, is normally opened valve, is closed during test device maintenance, disconnects the water tank and the parallel water pump
The connection of device outlet terminal；
Hydraulic elevator platform adjusts the height of the high different test water pumps in inlet and outlet center using hydraulic-driven；
Control cabinet receives the signal of flowmeter and pressure transmitter described in test device, controls after handling by analysis electronic
Regulating valve and electromagnetism valve events；
Wherein, the water tank is the water storage apparatus of parallel water pump device, and inlet and outlet is assembled with hand-operated valve, convenient for safeguarding
The connection of period cutting parallel water pump device rest part and water tank.
A kind of parallel water pump device of the invention is closed test device, the inlet and outlet direction of the test water pump
It is assembled with electric control valve, import electric control valve and outlet electric control valve are mutually backups, and improve lower water pump test device
Reliability；Rigid straight pipe is a part of the fluid-transporting tubing of parallel water pump device, is assembled with and is used in the rigid straight pipe
Test the flowmeter of pump capacity.The inlet end and an outlet end of test water pump is assembled with import pressure-measuring pipe and outlet pressure-measuring pipe, institute
Stating import pressure-measuring pipe and outlet pressure-measuring pipe is reducer pipe, and the test of different inlet and outlet diameter water pumps may be implemented using reducer pipe,
The pressure transmitter is assembled on the import pressure-measuring pipe and outlet pressure-measuring pipe.
Further, the front end of the import pressure-measuring pipe and the rear end of outlet pressure-measuring pipe are assembled with solenoid valve, the import
The rear end of solenoid valve and the front end of outlet solenoid valve are assembled with import drain solenoid valve and outfall drain solenoid valve, solenoid valve respectively
It is automatically closed after the completion of parallel water pump, import drain solenoid valve and outfall drain electromagnetic valve work, by draining pump test
Water in water pump and the solenoid valve closing pipe line injects parallel water pump device, reduces parallel water pump device water consumption.
A kind of parallel water pump device of the invention uses systematization, and modularized design can easily be mounted on water pump assembly
Line scene, reduces the transport of water pump, to reduce waste；On the other hand, parallel water pump station is provided with hydraulic elevator platform, described
The hydraulic elevator platform mobile test water pump that adjusts lower in vertical direction imports and exports centre-height, during the test the test water
Pump is quickly connected by pressure-measuring pipe, is clamped by hydraulic device, and the connection type of similar bolt is not needed, and automatic connection compresses,
The labor intensity for alleviating operator improves parallel water pump efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is a kind of parallel water pump principle of device schematic diagram of the present invention；
Digital representation in figure:
1 water tank, 2. import hand-operated valve, 3. import electric control valve
4. 5. flowmeter of rigid straight pipe, 6. inlet hose
7. 8. import drain solenoid valve of inlet solenoid valve, 9. inlet pressure transmitter
10. 11. import telescopic sleeve of outlet pressure transmitter, 12. import pressure-measuring pipe
13. exporting pressure-measuring pipe 14. exports 15. outlet hose of telescopic sleeve
16. 17. outlet solenoid valve 18. of outfall drain solenoid valve exports electric control valve
19. exporting 20. hydraulic elevator platform of hand-operated valve, 21. control cabinet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1 is a kind of parallel water pump principle of device schematic diagram of the present invention, as shown, a kind of parallel water pump device includes storage
Water pot 1, import hand-operated valve 2, import electric control valve 3, rigid straight pipe 4, flowmeter 5, inlet hose 6, inlet solenoid valve 7, into
Mouth drain solenoid valve 8, inlet pressure transmitter 9, outlet pressure transmitter 10, import telescopic sleeve 11, import pressure-measuring pipe 12, out
Mouth pressure-measuring pipe 13 exports telescopic sleeve 14, outlet hose 15, outfall drain solenoid valve 16, outlet solenoid valve 17, outlet electric adjustable
Valve 18 is saved, hand-operated valve 19, hydraulic elevator platform 20 and control cabinet 21 are exported.
Parallel water pump device of the invention is a closed-type test device, is suitable for inlet and outlet center line in same straight line
The measurement of charging pump hydraulic performance.Water pump is connected in parallel water pump device by import pressure-measuring pipe 12 and outlet pressure-measuring pipe 13,
Import pressure-measuring pipe 12 and outlet pressure-measuring pipe 13 be reducer pipe, parallel water pump device at least configure the reducer pipe of three kinds of different-diameters with
Adapt to the connection of a variety of inlet and outlet diameter test water pumps.In the distance between different model water pump inlet and outlet and water pump inlet and outlet
The heart is high different, and water pump imports and exports the high different water pump in center and adjusts height, the spacing of water pump inlet and outlet by hydraulic elevator platform 20
It in import telescopic sleeve 11 and is exported in telescopic sleeve 14 respectively from different by import pressure-measuring pipe 12 and outlet pressure-measuring pipe 13
Movement is to adjust.Inlet pressure transmitter 9 and outlet pressure transmitter 10 are separately mounted to import pressure-measuring pipe 12 and pressure is surveyed in outlet
On pipe 13, inlet pressure transmitter 9 measures the pressure of unit fixed on water pump suction, and outlet pressure transmitter 10 measures the pressure of exit of pump.
Flowmeter 5 is mounted in rigid straight pipe 4.During parallel water pump, flowmeter 5, inlet pressure transmitter 9 and outlet pressure pick-up
Signal is transmitted to control cabinet 21 by device 10.Control cabinet 21 sends control signal according to flow signal and gives motorized adjustment valve regulation water pump
Flow；Control cabinet 21 calculates test pump efficiency according to pressure transmitter signal, flow signal and electrical measurement parameter.If flowmeter
5 feedback flow signals deviate setting values, control cabinet 21 send control signal to import electric control valve 3 or (and) outlet it is electronic
Regulating valve 18 reduces or increases valve opening, until flow reaches setting value, electric control valve 3 and outlet electric control valve 18
It is mutually backups, when one of break down, another can work on, and improve the reliable of parallel water pump device
Property.Water pump is measured by flow, tests the water-power performance parameter of water pump water pump under the conditions of different flow, including water pump is being given
The lift of fixed point, power, efficiency, net positive suction head.When parallel water pump finishes, inlet solenoid valve 7 and outlet solenoid valve 17 are closed, and are broken
Open the connection of test pump tube part and remaining pipeline of test device.Import drain solenoid valve 8 and outfall drain electromagnetism simultaneously
Valve 16 works, and drain solenoid valve is four way solenoid valve, communicates while draining with atmosphere, guarantees that test pump tube part exists
Negative pressure is not generated in drainage procedure.Draining pump is by import drain solenoid valve 8 and outfall drain solenoid valve 16 test water pump pipe
The water stored in road part and test water pump is discharged and is sent into parallel water pump device.It tests in pump tube part and test water pump
Water all after discharge, test is completed, and import pressure-measuring pipe 12 and outlet pressure-measuring pipe 13 unclamp, and test water pump is from parallel water pump device
Middle disassembly, the water pump of test passes are transferred to packaging area and are packed.Test device pipeline of the invention is closed system, is surveyed
Trial assembly set in water be not in secondary pollution.In addition, being sent into after the water discharge tested in water pump after the completion of test parallel water pump
Test device saves test device water consumption.
Import hand-operated valve 2 and outlet hand-operated valve 19 are normally opened valve, close, disconnect during test device is repaired and is maintained
The connection of water tank 1 and test device other pipelines guarantees that water is stored in test device, prevents the water flow in water tank 1 from losing.
A kind of parallel water pump device of the invention uses systematization, and modularized design is mountable live in water pump assembly line,
The transport for reducing water pump, to reduce waste；On the other hand, parallel water pump station is provided with hydraulic elevator platform, hydraulic elevator platform
The mobile test water pump that adjusts lower in vertical direction imports and exports centre-height, and it is fast by pressure-measuring pipe to test water pump during the test
Speed connection, is clamped by hydraulic device, does not need the connection type of similar bolt, and automatic connection compresses, and alleviates operator
Labor intensity, improve parallel water pump efficiency.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of parallel water pump device characterized by comprising
Water tank is connect as the container of parallel water pump device storage water with import manually-operated gate and outlet manually-operated gate；
Import hand-operated valve is normally opened valve, closes during test device maintenance, disconnects the water tank and the parallel water pump
The connection of device inlet tube terminal；
Import electric control valve automatically adjusts valve aperture according to the control signal of device, to adjust pump capacity；
Flowmeter measures the flow of fluid media (medium) in the parallel water pump device and transmits a signal to control cabinet；
Rigid straight pipe is mounted in the parallel water pump device, conveying and the installation flowmeter for fluid media (medium)；
Inlet hose connects the flexible media conveyance conduit of flowmeter installation pipeline and the inlet solenoid valve；
Inlet solenoid valve, test unit fixed on water pump suction end fluid conveying described in automatic on and off；
Import drain solenoid valve is four way solenoid valve, in test device drainage procedure, automatic on and off pump entrance end
Pipeline and the external world are tested, and is connect with discharge pipe line and water is discharged；
Inlet pressure transmitter, measurement test unit fixed on water pump suction pressure, and pressure signal is sent to control cabinet and is handled；
Outlet pressure transmitter, measurement test water pump discharge pressure, and pressure signal is sent to control cabinet and is handled；
Import pressure-measuring pipe connect with the test unit fixed on water pump suction, installs the pipeline of the inlet pressure transmitter thereon；
Import telescopic sleeve, is socketed the import pressure-measuring pipe, and the import pressure-measuring pipe can move freely wherein；
Pressure-measuring pipe is exported, is connect with the test exit of pump, the pipeline of the outlet pressure transmitter is installed thereon；
Telescopic sleeve is exported, is socketed the outlet pressure-measuring pipe, the outlet pressure-measuring pipe can move freely wherein；
Outlet hose connects the flexible media conveyance conduit of the outlet telescopic sleeve and outfall drain solenoid valve；
Outfall drain solenoid valve is four way solenoid valve, in test device drainage procedure, automatic on and off pump outlet
Pipeline and the external world are tested, and is connect with discharge pipe line and water is discharged；
Outlet solenoid valve, test pump outlet fluid conveying described in automatic on and off；
Electric control valve is exported, valve aperture is automatically adjusted according to the control signal of device, to adjust pump capacity；
Hand-operated valve is exported, is normally opened valve, is closed during test device maintenance, disconnects the water tank and the parallel water pump
The connection of device outlet terminal；
Hydraulic elevator platform adjusts the height of the high different water pumps in inlet and outlet center using hydraulic-driven；
Control cabinet receives the signal of flowmeter and pressure transmitter described in test device, controls motorized adjustment after treatment
Valve and electromagnetism valve events.
2. a kind of parallel water pump device according to claim 1, it is characterised in that the inlet and outlet of the water tank fills
Hand-operated valve is matched.
3. a kind of parallel water pump device according to claim 1, it is characterised in that the inlet and outlet of the test water pump
Direction is assembled with electric control valve, and import electric control valve and outlet electric control valve are mutually backups.
4. a kind of parallel water pump device according to claim 1, it is characterised in that be assembled with flow in the rigid straight pipe
Meter.
5. a kind of parallel water pump device according to claim 1, it is characterised in that pressure is surveyed in the import pressure-measuring pipe and outlet
Pipe is reducer pipe.
6. a kind of parallel water pump device according to claim 1, it is characterised in that pressure is surveyed in the import pressure-measuring pipe and outlet
The pressure transmitter is assembled on pipe.
7. a kind of parallel water pump device according to claim 1, it is characterised in that the hydraulic elevator platform is in vertical direction
Move up and down adjusting test water pump height.
8. a kind of parallel water pump device according to claim 1, it is characterised in that the test water pump is fast by pressure-measuring pipe
Speed connection, passes through hydraulic device clamping test water pump.
9. a kind of parallel water pump device according to claim 1, it is characterised in that the front end of the import pressure-measuring pipe and go out
The rear end of mouth pressure-measuring pipe is assembled with solenoid valve, and solenoid valve is automatically closed after the completion of parallel water pump.
10. a kind of parallel water pump device according to claim 1, it is characterised in that the rear end of the inlet solenoid valve and go out
The front end of mouth solenoid valve is assembled with import drain solenoid valve and outfall drain solenoid valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710503339.7A CN109139498A (en) | 2017-06-27 | 2017-06-27 | A kind of parallel water pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710503339.7A CN109139498A (en) | 2017-06-27 | 2017-06-27 | A kind of parallel water pump device |
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| Publication Number | Publication Date |
|---|---|
| CN109139498A true CN109139498A (en) | 2019-01-04 |
Family
ID=64805328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710503339.7A Pending CN109139498A (en) | 2017-06-27 | 2017-06-27 | A kind of parallel water pump device |
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| Country | Link |
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| CN (1) | CN109139498A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735799A (en) * | 2019-11-11 | 2020-01-31 | 浙江省机电设计研究院有限公司 | lifting clamping device for automatic test of water pump and working method thereof |
| CN111677664A (en) * | 2020-06-30 | 2020-09-18 | 杭州兴鑫科技有限公司 | Performance test bench for screw compressor |
| CN112283093A (en) * | 2020-11-02 | 2021-01-29 | 上海帕纶珂机电科技有限公司 | Reducer pipe for mobile equipment test platform and use method thereof |
-
2017
- 2017-06-27 CN CN201710503339.7A patent/CN109139498A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735799A (en) * | 2019-11-11 | 2020-01-31 | 浙江省机电设计研究院有限公司 | lifting clamping device for automatic test of water pump and working method thereof |
| CN111677664A (en) * | 2020-06-30 | 2020-09-18 | 杭州兴鑫科技有限公司 | Performance test bench for screw compressor |
| CN111677664B (en) * | 2020-06-30 | 2024-02-23 | 杭州兴鑫科技有限公司 | Performance test bench for screw compressor |
| CN112283093A (en) * | 2020-11-02 | 2021-01-29 | 上海帕纶珂机电科技有限公司 | Reducer pipe for mobile equipment test platform and use method thereof |
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