CN108760255A - A kind of low-capacity pump valve liquid flow test table apparatus - Google Patents
A kind of low-capacity pump valve liquid flow test table apparatus Download PDFInfo
- Publication number
- CN108760255A CN108760255A CN201810195846.3A CN201810195846A CN108760255A CN 108760255 A CN108760255 A CN 108760255A CN 201810195846 A CN201810195846 A CN 201810195846A CN 108760255 A CN108760255 A CN 108760255A
- Authority
- CN
- China
- Prior art keywords
- valve
- test
- pipeline
- motor
- flowmeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
A kind of low-capacity pump valve liquid flow test table apparatus, is related to fluid machinery technical field of measurement and test；Including test platform and test pipeline；Wherein, test platform is horizontal positioned mounting bracket structure；Test pipeline is fixedly mounted on test platform；Test pipeline includes liquid tank, side test pipeline, one layer of test pipeline, middle layer test pipeline, three layers of test pipeline, the first regulating valve and the second regulating valve；Wherein, liquid tank is hollow barrel structure；The lower sides of liquid tank test pipeline connections with side test pipeline, one layer of test pipeline, middle layer test pipeline, three layers successively；Three layers of test pipeline are connected to forming circuit with liquid tank respectively with after the first regulating valve, the second regulating valve parallel communication；The present invention is applied to the hydraulic test of low-capacity pump valve product, and testing stand has many advantages, such as that miniaturization, removable and range are big, can conveniently test low-capacity pump valve product.
Description
Technical field
The present invention relates to a kind of fluid machinery technical field of measurement and test, especially a kind of low-capacity pump valve liquid flow test platform dress
It sets.
Background technology
With the development of manufacture processing technology, low-capacity pump valve product is used by more and more industries, such as fuel electricity
Pond, medicine, chemical industry and aerospace field, the utilization rate of low-capacity pump valve product is more and more frequent, to low-capacity pump valve produce
The hydraulic test task of product is consequently increased.There is following items disadvantage for current low-capacity pump valve product liquid flow test platform：It is small
Flow pump and valve product use respective liquid flow test platform respectively；Testing stand is fixed on dedicated test site, occupies larger
Test site area；The pump valve products of different flow range have the corresponding different liquid flow test platforms of flow therewith；Just at present
Hydraulic test platform be only capable of test flow be more than 40L/h low-capacity pump valve product, be less than 40L/h flows when, it is special to use
Testing scheme or tested using special flowmeter.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of low-capacity pump valve liquid flow test platform dress is provided
It sets, is applied to the hydraulic test of low-capacity pump valve product, testing stand has many advantages, such as that miniaturization, removable and range are big, can
Conveniently low-capacity pump valve product is tested.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of low-capacity pump valve liquid flow test table apparatus, including test platform and test pipeline；Wherein, test platform is water
The mounting bracket structure of placing flat；Test pipeline is fixedly mounted on test platform；Test pipeline include liquid tank, liquid level gauge,
Gas cylinder, pressure reducing valve, air entraining valve, air bleeding valve, safety valve, filler flange, exhaust-valve, storage tank pressure transducer, side testing tube
Road, floor test pipeline, middle layer test pipeline, three floor test pipeline, the first regulating valve and the second regulating valve；Wherein, liquid
Storage tank is hollow barrel structure；Filler flange is fixedly mounted on the top of liquid tank；Exhaust-valve is arranged in liquid tank
Bottom；The side wall in liquid tank is arranged in liquid level gauge, realizes the measurement to liquid tank inside liquid level；Gas cylinder successively with decompression
The top connection of valve, air entraining valve, liquid tank；Air bleeding valve and storage tank pressure transducer are arranged at the top of liquid tank；Peace
The side wall on liquid tank top is arranged in full valve；The lower sides of liquid tank test pipeline, one layer of testing tube with side successively
Road, middle layer test pipeline, three floor test pipeline connection；Three layers test pipelines respectively with the first regulating valve, the second regulating valve simultaneously
After connection connection, forming circuit is connected to liquid tank.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, the test platform includes upper, middle and lower-ranking square
Shape platy structure；Three layers of rectangular plate-like structural vertical direction equidistantly distributed；Test platform height is 1400-1600mm；Every layer
Rectangular plate-like structure is 1000mm × 700mm；Test platform bottom is provided with idler wheel, realizes moving freely for test platform.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, described one layer of test pipeline fixed placement is being tested
The upper layer rectangular plate-like structure upper surface of platform；Middle layer rectangular plate-like of the middle layer test pipeline fixed placement in test platform
Structure upper surface；Three layers of test pipeline fixed placement are in lower layer's rectangular plate-like structure upper surface of test platform；Side testing tube
Road fixed placement is on the side wall of test platform.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, side test pipeline include vent ball valve,
Filter, booster pump, the second motor-driven valve and the first motor-driven valve；Wherein, it is electronic with first after booster pump and the second motor-driven valve are connected
Valve forms parallel pipeline；One end of parallel pipeline is connected to filter, vent ball valve, liquid tank successively；Parallel pipeline it is another
One end and one layer of test pipeline connection.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, one layer of test pipeline includes the first ball valve, temperature
Sensor, the second ball valve, the first differential pressure transmitter, third ball valve, the second differential pressure transmitter, the 4th ball valve and third differential pressure is spent to become
Send device；Wherein, pipeline connection is tested in one end of the first ball valve with side；The other end of first ball valve is connected to temperature sensor；
One end of temperature sensor is provided with a1 test interfaces；Pipeline connection is tested in one end of third ball valve with middle layer；Third ball valve
The other end be connected to the second differential pressure transmitter；One end of second differential pressure transmitter is provided with c1 test interfaces；Second ball valve
One end and three layers of test pipeline connection；The other end of second ball valve is connected to the first differential pressure transmitter；First differential pressure transmitter
One end is provided with b1 test interfaces；One end of 4th ball valve is connected to third differential pressure transmitter；One end of third differential pressure transmitter
It is provided with c2 test interfaces；The other end of 4th ball valve tests pipeline connection with middle layer.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, the middle layer test pipeline includes that third is electronic
Valve, first flowmeter, the 4th motor-driven valve, second flowmeter, the 5th motor-driven valve, third flowmeter, the 6th motor-driven valve and the 4th stream
Gauge；Wherein, third motor-driven valve connects to form the first series circuit with first flowmeter；4th motor-driven valve and second flowmeter string
Connection forms the second series circuit；First series circuit the first parallel circuit of formation in parallel with the second series circuit；First electricity in parallel
The one end on road is connected to the 4th ball valve；The other end of first parallel circuit and three layers of test pipeline connection；5th motor-driven valve and
Three flowmeters connect to form third series circuit；6th motor-driven valve connects to form the 4th series circuit with the 4th flowmeter；Third
Series circuit the second parallel circuit of formation in parallel with the 4th series circuit；One end of second parallel circuit is connected to third ball valve；
The other end of second parallel circuit and three layers of test pipeline connection.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, three layers of test pipeline include the 7th motor-driven valve,
5th flowmeter, the 8th motor-driven valve, the 6th flowmeter and tapping valve；Wherein, the 7th motor-driven valve, the 5th flowmeter and first are adjusted
Valve connects to form the 5th series circuit；8th motor-driven valve, the 6th flowmeter and the second regulating valve connect to form the 6th series circuit；
5th series circuit formation third parallel circuit in parallel with the 6th series circuit；One end of third parallel circuit connects with liquid tank
It is logical；The other end of third parallel circuit tests pipeline connection with tapping valve, middle layer test pipeline and one layer respectively.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, the test flow of the pump valve liquid flow test table apparatus
Ranging from 4-1200L/h.
In a kind of above-mentioned low-capacity pump valve liquid flow test table apparatus, the gas cylinder is by pressure reducing valve and air entraining valve to liquid
Storage tank carries out tonifying Qi pressurization；And the pressure in liquid tank is adjusted by air bleeding valve realization, pressure regulation spectrum is
0.1-2.0MPa。
The present invention has the following advantages that compared with prior art：
(1) present invention realizes and concentrates on the liquid flow test of pump valve products on one workbench；
(2) workbench of the present invention uses upper, middle and lower three-decker, and workbench bottom is equipped with moveable idler wheel,
It realizes and moves function；
(3) present invention enables liquid flow test platform by the cooperation of testing stand forced circulation system and host computer TT&C system
The pump valve products of wide range of traffic are enough measured, test flow is between 4L/h to 1200L/h.
Description of the drawings
Fig. 1 is liquid flow test platform piping connection schematic diagram of the present invention；
Fig. 2 is test platform schematic diagram of the present invention.
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments：
For current low-capacity pump valve product liquid flow test platform there are the shortcomings that, this testing stand has carried out following improvement：
According to the hydraulic characteristic(s) of low-capacity pump valve product, it is contemplated that the similitude and intercommunity of pump valve test loop system are tested pump valve
Product shares station all the way, and the liquid flow test platform of pump valve products is concentrated on a test platform；Because of the flow of pump valve products
Liquid flow test platform is designed as moveable small-scale test platform by the small volume of the flow passage components in smaller and testing stand, examination
The length and width for testing platform are about 1000mm × 700mm, and the workbench for building liquid flow test platform uses three layers of reality of upper, middle and lower,
Workbench bottom is equipped with moveable idler wheel；By the cooperation of testing stand forced circulation system and host computer TT&C system,
Liquid flow test platform is set to measure the pump valve products of wide range of traffic, test flow is between 4L/h to 1200L/h.
A kind of low-capacity pump valve liquid flow test table apparatus, including test platform 39 and test pipeline；Wherein, test platform 39
For horizontal positioned mounting bracket structure；Be illustrated in figure 2 test platform schematic diagram, as seen from the figure, test platform 39 include it is upper,
In, lower three layers of rectangular plate-like structure；Three layers of rectangular plate-like structural vertical direction equidistantly distributed；39 height of test platform is
1400-1600mm；Every layer of rectangular plate-like structure is 1000mm × 700mm；39 bottom of test platform is provided with idler wheel, realizes experiment
Platform 39 moves freely.
It is liquid flow test platform piping connection schematic diagram as shown in Figure 1, as seen from the figure, it is flat that test pipeline is fixedly mounted on experiment
On platform 39；Test pipeline includes liquid tank 1, liquid level gauge 2, gas cylinder 3, pressure reducing valve 4, air entraining valve 5, air bleeding valve 6, safety valve 7, adds
Geat flange 8, exhaust-valve 9, storage tank pressure transducer 34, side test pipeline 40, one layers of test pipeline 41, middle layer testing tube
Road 42, three floor test pipeline 43, the first regulating valve 32 and the second regulating valve 33；Wherein, liquid tank 1 is hollow barrel structure；
Filler flange 8 is fixedly mounted on the top of liquid tank 1；Exhaust-valve 9 is arranged in the bottom of liquid tank 1；Liquid level gauge 2 is arranged
In the side wall of liquid tank 1, the measurement to 1 inside liquid level of liquid tank is realized；Gas cylinder 3 successively with pressure reducing valve 4, air entraining valve 5, liquid
The top of body storage tank 1 connects；Air bleeding valve 6 and storage tank pressure transducer 34 are arranged at the top of liquid tank 1；Safety valve 7 is set
Set the side wall on 1 top of liquid tank；The lower sides of liquid tank 1 test 40, one layers of test pipeline of pipeline with side successively
41,42, three layers of test pipeline 43 of middle layer test pipeline are connected to；Three layers test pipelines 43 respectively with the first regulating valve 32, second
After 33 parallel communication of regulating valve, forming circuit is connected to liquid tank 1.The test range of flow of pump valve liquid flow test table apparatus is
4-1200L/h.Gas cylinder 3 carries out tonifying Qi pressurization by pressure reducing valve 4 and air entraining valve 5 to liquid tank 1；And it is realized by air bleeding valve 6
Pressure in liquid tank 1 is adjusted, pressure regulation spectrum 0.1-2.0MPa.
Wherein, one layer of test 41 fixed placement of pipeline is in the upper layer rectangular plate-like structure upper surface of test platform 39；It is intermediate
Layer test 42 fixed placement of pipeline is in the middle layer rectangular plate-like structure upper surface of test platform 39；Three layers of test pipeline 43 are fixed
It is placed on lower layer's rectangular plate-like structure upper surface of test platform 39；Side tests 40 fixed placement of pipeline in test platform 39
On side wall.
It is electronic including vent ball valve 10, filter 11, booster pump 12, the second motor-driven valve 14 and first that side tests pipeline 40
Valve 13；Wherein, after booster pump 12 and the second motor-driven valve 14 are connected, parallel pipeline is formed with the first motor-driven valve 13；Parallel pipeline
One end is connected to filter 11, vent ball valve 10, liquid tank 1 successively；The other end of parallel pipeline and one layer of test pipeline 41
Connection.
One layer of test pipeline 41 includes the first ball valve 15, temperature sensor 35, the second ball valve 16, the first differential pressure transmitter
36, third ball valve 17, the second differential pressure transmitter 37, the 4th ball valve 18 and third differential pressure transmitter 38；Wherein, first ball valve 15
One end is connected to side test pipeline 40；The other end of first ball valve 15 is connected to temperature sensor 35；Temperature sensor 35
One end is provided with a1 test interfaces；One end of third ball valve 17 is connected to middle layer test pipeline 42；Third ball valve 17 it is another
End is connected to the second differential pressure transmitter 37；One end of second differential pressure transmitter 37 is provided with c1 test interfaces；Second ball valve 16
One end is connected to three layers of test pipeline 43；The other end of second ball valve 16 is connected to the first differential pressure transmitter 36；First differential pressure becomes
One end of device 36 is sent to be provided with b1 test interfaces；One end of 4th ball valve 18 is connected to third differential pressure transmitter 38；Third differential pressure
One end of transmitter 38 is provided with c2 test interfaces；The other end of 4th ball valve 18 is connected to middle layer test pipeline 42.
It includes third motor-driven valve 20, first flowmeter 21, the 4th motor-driven valve 22, second flowmeter that middle layer, which tests pipeline 42,
23, the 5th motor-driven valve 24, third flowmeter 25, the 6th motor-driven valve 26 and the 4th flowmeter 27；Wherein, third motor-driven valve 20 and
The series connection of flow meters 21 forms the first series circuit；4th motor-driven valve 22 is connected with second flowmeter 23 forms the second series electrical
Road；First series circuit the first parallel circuit of formation in parallel with the second series circuit；One end of first parallel circuit and the 4th ball
Valve 18 is connected to；The other end of first parallel circuit is connected to three layers of test pipeline 43；5th motor-driven valve 24 and third flowmeter 25
Series connection forms third series circuit；6th motor-driven valve 26 is connected with the 4th flowmeter 27 forms the 4th series circuit；Third is connected
Circuit the second parallel circuit of formation in parallel with the 4th series circuit；One end of second parallel circuit is connected to third ball valve 17；The
The other end of two parallel circuits is connected to three layers of test pipeline 43.
Three layers of test pipeline 43 include the 7th motor-driven valve 28, the 5th flowmeter 29, the 8th motor-driven valve 30, the 6th flowmeter 31
With tapping valve 19；Wherein, the 7th motor-driven valve 28, the 5th flowmeter 29 and the series connection of the first regulating valve 32 form the 5th series circuit；
8th motor-driven valve 30, the 6th flowmeter 31 and the series connection of the second regulating valve 33 form the 6th series circuit；5th series circuit and
Six series circuit parallel connections form third parallel circuit；One end of third parallel circuit is connected to liquid tank 1；Third parallel circuit
The other end respectively with tapping valve 19, middle layer test pipeline 42 and one layer test pipeline 41 be connected to.
When measured piece is pump, the first motor-driven valve 13 is opened by control cabinet by external host computer, closes the second motor-driven valve
14, and booster pump 12 does not work, and is connected between a1 mouthfuls and b1 mouthfuls and is tested pump testing, open the first ball valve 15 and the second ball valve 16, closed
Third motor-driven valve 20 is closed to the 6th motor-driven valve 26, and closes third ball valve 17 and the 4th ball valve 18, it is external upper when starting test
Machine judges test uninterrupted, as flow in 380L/h to 1200L/h by PC control the 7th motor-driven valve 28 of unlatching, and remember
The data for recording the 5th flowmeter 29 simultaneously close off the 8th motor-driven valve 30 in parallel, and carry out flow tune by the first regulating valve 32
Section；Flow is such as tested between 40L/h to 380L/h, then the 8th motor-driven valve 30 is opened by PC control, and records the 6th stream
The data of gauge 31 simultaneously close off the 7th motor-driven valve 28 in parallel, and carry out flow-rate adjustment by the second regulating valve 33.
When test block is single inlet single-outlet valve product, the second motor-driven valve 14 of unlatching is closed the first motor-driven valve 13, and is pressurized
12 work of pump, other pipelines control consistent with control with the connection for connecting and testing pump product.Pass through the first regulating valve 32 and
Two regulating valves 33 carry out the flow-rate adjustment of tested valve, and working medium finally returns that liquid tank 1, are tested and are pumped by the first differential pressure transmitter 36
Or valve inlet outlet pressure differential, i.e. lift or flow resistance, finally measure flow-lift curve, flow-power curve and the stream of pump or valve
Amount-flow resistance curve, and the detection by control cabinet to circuit draw outflow-efficiency curve.
When measured piece is the valve of the double outlets of single import, the second motor-driven valve 14 is opened by control cabinet by host computer, is closed
The first motor-driven valve 13 is closed, booster pump 12 works, and a1 mouthfuls connect tested valve import, and c1 mouthfuls and c2 mouthfuls two outlets for connecing valve respectively are beaten
The first ball valve 15, third ball valve 17 and the 4th ball valve 18 are opened, the second ball valve 16 is closed.For connect c2 mouthful this all the way, such as stream
Amount is instructed by host computer in 380L/h to 1200L/h and opens third motor-driven valve 20, and the 4th motor-driven valve 22 is closed, and detects the
The parameter of flow meters 21；If flow is between 40L/h to 380L/h, it is instructed by host computer and opens the 4th motor-driven valve 22, closed
Third motor-driven valve 20 is closed, the parameter of second flowmeter 23 is detected.For connect c1 mouthful this all the way, principle and above-mentioned connection c2 mouthfuls
Pipeline control is identical.
The 7th motor-driven valve 28 is opened when being more than 380L/h for tested valve total flow, and records the number of the 5th flowmeter 29
According to total flow is opening the 8th motor-driven valve 30 between 40L/h to 380L/h, and records the data of the 6th flowmeter 31, simultaneously
Close the 7th motor-driven valve 28 in parallel.
For single import twin valve, the one of export branch road flow of the products such as tested valve less than 40L/h it is another go out
Mouth branch is more than 40L/h, then test is more than the flow value of this branch of 40L/h, while testing total flow, passes through the 6th flowmeter
31 flow subtracts the flow that can be monitored in branch, you can calculates flow of the tested valve less than this branch of 40L/h.
To the product of the flows between 4L/h and 40L/h such as low-capacity pump or single inlet single-outlet valve, it is electronic to open second
Valve 14 closes the first motor-driven valve 13, and booster pump 12 works.A1 mouthfuls are divided into two-way, are connect all the way with test product import, another
Road is connect with c2 mouthfuls.C1 mouthfuls connect with test product outlet, by test c2 this second flowmeter 23 all the way data and
The data of 6th flowmeter 31, test product can be calculated by being subtracted each other by the data of the 6th flowmeter 31 and second flowmeter 23
Flow.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.
Claims (9)
1. a kind of low-capacity pump valve liquid flow test table apparatus, it is characterised in that：Including test platform (39) and test pipeline；Its
In, test platform (39) is the mounting bracket structure being horizontally arranged；Test pipeline is fixedly mounted on test platform (39)；Testing tube
Road include liquid tank (1), liquid level gauge (2), gas cylinder (3), pressure reducing valve (4), air entraining valve (5), air bleeding valve (6), safety valve (7),
Filler flange (8), exhaust-valve (9), storage tank pressure transducer (34), side test pipeline (40), one layer test pipeline (41),
Middle layer tests pipeline (42), three layers of test pipeline (43), the first regulating valve (32) and the second regulating valve (33)；Wherein, liquid
Storage tank (1) is hollow barrel structure；Filler flange (8) is fixedly mounted on the top of liquid tank (1)；Exhaust-valve (9) is arranged
Bottom in liquid tank (1)；The side wall in liquid tank (1) is arranged in liquid level gauge (2), realizes to the internal liquid of liquid tank (1)
The measurement of position；Gas cylinder (3) is connect with the top of pressure reducing valve (4), air entraining valve (5), liquid tank (1) successively；Air bleeding valve (6) and storage
Case pressure transducer (34) is arranged at the top of liquid tank (1)；Safety valve (7) is arranged in the side on liquid tank (1) top
Wall；The lower sides of liquid tank (1) test pipeline (41), middle layer testing tube with side test pipeline (40), one layer successively
Road (42), three floor test pipeline (43) are connected to；Three layers test pipelines (43) respectively with the first regulating valve (32), the second regulating valve
(33) after parallel communication, forming circuit is connected to liquid tank (1).
2. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 1, it is characterised in that：The experiment is flat
Platform (39) includes upper, middle and lower-ranking rectangular plate-like structure；Three layers of rectangular plate-like structural vertical direction equidistantly distributed；Experiment is flat
Platform (39) is highly 1400-1600mm；Every layer of rectangular plate-like structure is 1000mm × 700mm；Test platform (39) bottom is arranged
There is idler wheel, realizes moving freely for test platform (39).
3. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 2, it is characterised in that：One layer of survey
Test tube road (41) fixed placement is in the upper layer rectangular plate-like structure upper surface of test platform (39)；It is solid that middle layer tests pipeline (42)
Surely it is placed on the middle layer rectangular plate-like structure upper surface of test platform (39)；Three layers of test pipeline (43) fixed placement are being tested
Lower layer's rectangular plate-like structure upper surface of platform (39)；Side wall of side test pipeline (40) fixed placement in test platform (39)
On.
4. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 3, it is characterised in that：The side is surveyed
Test tube road (40) includes vent ball valve (10), filter (11), booster pump (12), the second motor-driven valve (14) and the first motor-driven valve
(13)；Wherein, after booster pump (12) and the second motor-driven valve (14) are connected, parallel pipeline is formed with the first motor-driven valve (13)；It is in parallel
One end of pipeline is connected to filter (11), vent ball valve (10), liquid tank 1 successively；The other end of parallel pipeline and one layer
Pipeline (41) is tested to be connected to.
5. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 4, it is characterised in that：One layer of test
Pipeline (41) includes the first ball valve (15), temperature sensor (35), the second ball valve (16), the first differential pressure transmitter (36), third
Ball valve (17), the second differential pressure transmitter (37), the 4th ball valve (18) and third differential pressure transmitter (38)；Wherein, the first ball valve
(15) one end is connected to side test pipeline (40)；The other end of first ball valve (15) is connected to temperature sensor (35)；Temperature
One end of degree sensor (35) is provided with a1 test interfaces；One end of third ball valve (17) connects with middle layer test pipeline (42)
It is logical；The other end of third ball valve (17) is connected to the second differential pressure transmitter (37)；One end of second differential pressure transmitter (37) is arranged
There are c1 test interfaces；One end of second ball valve (16) is connected to three layers of test pipeline (43)；The other end of second ball valve (16) with
First differential pressure transmitter (36) is connected to；One end of first differential pressure transmitter (36) is provided with b1 test interfaces；4th ball valve (18)
One end be connected to third differential pressure transmitter (38)；One end of third differential pressure transmitter (38) is provided with c2 test interfaces；4th
The other end of ball valve (18) is connected to middle layer test pipeline (42).
6. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 5, it is characterised in that：The middle layer is surveyed
Test tube road (42) includes third motor-driven valve (20), first flowmeter (21), the 4th motor-driven valve (22), second flowmeter (23),
Five motor-driven valves (24), third flowmeter (25), the 6th motor-driven valve (26) and the 4th flowmeter (27)；Wherein, third motor-driven valve
(20) it connects with first flowmeter (21) and forms the first series circuit；4th motor-driven valve (22) is connected shape with second flowmeter (23)
At the second series circuit；First series circuit the first parallel circuit of formation in parallel with the second series circuit；First parallel circuit
One end is connected to the 4th ball valve (18)；The other end of first parallel circuit is connected to three layers of test pipeline (43)；5th motor-driven valve
(24) it connects to form third series circuit with third flowmeter (25)；6th motor-driven valve (26) is connected shape with the 4th flowmeter (27)
At the 4th series circuit；Third series circuit the second parallel circuit of formation in parallel with the 4th series circuit；Second parallel circuit
One end is connected to third ball valve (17)；The other end of second parallel circuit is connected to three layers of test pipeline (43).
7. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 6, it is characterised in that：Three layers of test
Pipeline (43) includes the 7th motor-driven valve (28), the 5th flowmeter (29), the 8th motor-driven valve (30), the 6th flowmeter (31) and drain
Valve (19)；Wherein, the 7th motor-driven valve (28), the 5th flowmeter (29) and the first regulating valve (32) series connection form the 5th series electrical
Road；8th motor-driven valve (30), the 6th flowmeter (31) and the second regulating valve (33) series connection form the 6th series circuit；5th series connection
Circuit formation third parallel circuit in parallel with the 6th series circuit；One end of third parallel circuit is connected to liquid tank 1；Third
The other end of parallel circuit is connected to tapping valve (19), middle layer test pipeline (42) and one layer of test pipeline (41) respectively.
8. a kind of low-capacity pump valve liquid flow test table apparatus according to one of claim 1-7, it is characterised in that：The pump
The test range of flow of valve liquid flow test table apparatus is 4-1200L/h.
9. a kind of low-capacity pump valve liquid flow test table apparatus according to claim 8, it is characterised in that：The gas cylinder (3)
Tonifying Qi pressurization is carried out to liquid tank (1) by pressure reducing valve (4) and air entraining valve (5)；And it is realized by air bleeding valve (6) and liquid is stored up
Pressure in case (1) is adjusted, pressure regulation spectrum 0.1-2.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195846.3A CN108760255B (en) | 2018-03-09 | 2018-03-09 | Small-flow pump valve liquid flow test bed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195846.3A CN108760255B (en) | 2018-03-09 | 2018-03-09 | Small-flow pump valve liquid flow test bed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108760255A true CN108760255A (en) | 2018-11-06 |
| CN108760255B CN108760255B (en) | 2020-03-24 |
Family
ID=63980175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810195846.3A Active CN108760255B (en) | 2018-03-09 | 2018-03-09 | Small-flow pump valve liquid flow test bed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760255B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595783A (en) * | 2019-08-20 | 2019-12-20 | 蓝箭航天技术有限公司 | Pump pressure type liquid flow test system |
| CN113310660A (en) * | 2021-05-31 | 2021-08-27 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Automatic flow resistance control system for minimum flow |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5751606A (en) * | 1996-05-03 | 1998-05-12 | Hk Medical Technologies Incorporated | Automatic valve test apparatus |
| DE102006049649B3 (en) * | 2006-10-20 | 2008-01-24 | Samson Ag | Functionally testing of process technology system safety valve involves adjusting bypass valve flow for defined pressure difference across bypass valve in fixed position that is detected for seal testing, detecting movement time/distance |
| CN101614571A (en) * | 2009-07-30 | 2009-12-30 | 浙江工业大学 | A kind of pulsating flow measurement method and measuring system thereof |
| CN203163984U (en) * | 2013-04-23 | 2013-08-28 | 何建慧 | Experimental system for analyzing internal flow characteristics of butterfly valve |
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
-
2018
- 2018-03-09 CN CN201810195846.3A patent/CN108760255B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5751606A (en) * | 1996-05-03 | 1998-05-12 | Hk Medical Technologies Incorporated | Automatic valve test apparatus |
| DE102006049649B3 (en) * | 2006-10-20 | 2008-01-24 | Samson Ag | Functionally testing of process technology system safety valve involves adjusting bypass valve flow for defined pressure difference across bypass valve in fixed position that is detected for seal testing, detecting movement time/distance |
| CN101614571A (en) * | 2009-07-30 | 2009-12-30 | 浙江工业大学 | A kind of pulsating flow measurement method and measuring system thereof |
| CN203163984U (en) * | 2013-04-23 | 2013-08-28 | 何建慧 | Experimental system for analyzing internal flow characteristics of butterfly valve |
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
Non-Patent Citations (2)
| Title |
|---|
| 余鹏等: "回流阀流量试验台设计", 《阀门》 * |
| 李小刚等: "某型油液流量计量试验台设计", 《液压与气动》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595783A (en) * | 2019-08-20 | 2019-12-20 | 蓝箭航天技术有限公司 | Pump pressure type liquid flow test system |
| CN113310660A (en) * | 2021-05-31 | 2021-08-27 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Automatic flow resistance control system for minimum flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108760255B (en) | 2020-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104535455A (en) | Gas seepage experiment device and method for dynamically monitoring pore pressure distribution and changes | |
| CN108760255A (en) | A kind of low-capacity pump valve liquid flow test table apparatus | |
| CN104596596B (en) | A kind of positive displacement micro liquid flowmeter and its application method | |
| CN103472206A (en) | Dual-layer pressure plate instrument for measuring soil-water characteristic curve | |
| CN106441739B (en) | A kind of electrical modulation flow control valve combination property test desk | |
| CN104502161B (en) | Dust sampler calibrating installation | |
| CN103868560B (en) | Measuring method of three-phase mixed-transportation constant volume pipe piston type oil-gas-water three-phase flow meter | |
| CN105467017B (en) | Online gc demarcation device for confecting standard oil | |
| CN205776060U (en) | A kind of measure the assay device of embankment project Piping phenomenon under different ground compactness | |
| CN208777977U (en) | Formation testing single-well crude oil metering device | |
| CN105256860A (en) | Pressure-superposed water supply pressure-stabilized tank and method for measuring gas missing amount | |
| CN104291032A (en) | Wine tank system with liquidometers and combined conveying pipe | |
| CN210178342U (en) | Three-pressure-difference three-phase flowmeter for metering station | |
| CN209148026U (en) | A kind of pore characteristics experimental provision | |
| CN204422365U (en) | The gas porous flow experimental provision of the distribution of dynamic monitoring pore pressure and change | |
| CN209416441U (en) | A kind of gas volume measurement displacement apparatus | |
| CN112459764A (en) | Multifunctional oil-gas separation metering device | |
| CN204223533U (en) | A kind of wine can system of carrying pipe fitting with liquidometer and compound type | |
| CN204223532U (en) | The wine tank of pipe fitting is carried with liquidometer and compound type | |
| CN204223557U (en) | With the wine tank of liquidometer | |
| CN207263584U (en) | A kind of water proof apparatus for being used to detect waterproof material | |
| CN206725397U (en) | A kind of porous media testing permeability device | |
| CN205981651U (en) | Water tank advances drainage valve flow and sealing performance detection device | |
| CN108843315A (en) | A kind of calculation method of sensor-type comprehensive automation metering device and oil quality | |
| CN206177339U (en) | Heat power station water circulation pipeline instrument test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |