CN110333062A - A kind of pump valve dynamic performance and testing - Google Patents
A kind of pump valve dynamic performance and testing Download PDFInfo
- Publication number
- CN110333062A CN110333062A CN201910457434.7A CN201910457434A CN110333062A CN 110333062 A CN110333062 A CN 110333062A CN 201910457434 A CN201910457434 A CN 201910457434A CN 110333062 A CN110333062 A CN 110333062A
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- China
- Prior art keywords
- pump valve
- valve
- testing
- cabinet
- dynamic performance
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- 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.)
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Classifications
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- 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
- G01M13/003—Machine valves
Abstract
The invention discloses a kind of pump valve dynamic performance and testings, comprising: cabinet, bottom are communicated with suction manifold；The pump valve is set in the cabinet, and the valve base sealing is fastened on the position to connect on the bottom of box with suction manifold；The wall box is communicated with exhaust manifold；Adjusting screw rod, activity pass through the top of the box and protrude into cabinet, one end installation spring fastening one end protruded into；Pump valve spring is installed in the valve body upper end, and the pump valve spring other end is mutually butted on the adjusting screw rod and protrudes into the intracorporal one end of case；Displacement sensor, displacement of the valve body on box height direction described in real-time monitoring；Controller receives the displacement data of displacement sensor transmission；Aperture, inlet flow rate, inlet pressure, delivery flow and the discharge pressure that the present invention is obtained by measurement, the accurate dynamic characteristic for describing pump valve；By adjusting pump valve limit aperture, spring force and operting differential pressure；Realize influence test of this 3 parameters to pump valve performance.
Description
Technical field
The present invention relates to pump valve performance test fields.It is more particularly related to a kind of pump valve dynamic performance testing
Device.
Background technique
Pump valve is one of key part of fracturing pump, and when work moves state complex, but can not observe, can not accurate handle
Hold the working performance of pump valve.When the prior art is all made of practical pressure break pump testing, it is limited by space in pump head body, fracturing pump design
The limitation of operating condition cannot test out the limiting performance of pump valve, and there is also many disturbing factors.
Many scholars solve the through-current capability of pump valve usually with theoretical calculation, the parameters such as pump valve aperture and pressure difference, discharge capacity
Relationship describes the working performance of pump valve with this.But ignore and simplify some influence factors in theoretical calculation, cause result with
Physical presence error.Some scholars simulate the working condition of pump valve using the method for Finite Element Simulation Analysis, but in model
With some hypothesis and simplification have all been done on working condition, be difficult to ensure with the similarity of actual result.
Summary of the invention
In order to achieve the goal above, the present invention provides a kind of pump valve dynamic performance and testing, for detecting pump valve dynamic
Performance, the pump valve include valve seat and valve body, wherein the valve body lower end face contact card sets and is mounted on valve seat, and the two connects
There is the annular slot passed through for liquid in the position of touching, the pump valve dynamic performance and testing includes:
Cabinet, bottom are communicated with suction manifold；The pump valve is set in the cabinet, and the valve base sealing card is set
The position to connect on the bottom of box with suction manifold；The wall box is communicated with exhaust manifold；
Adjusting screw rod, activity pass through the top of the box and protrude into cabinet, one end installation spring fastening one protruded into
End；Pump valve spring is installed in the valve body upper end, and the pump valve spring other end is mutually butted on the adjusting screw rod and protrudes into cabinet
One end, moved in a certain range with limiting valve body；
Displacement sensor, displacement of the valve body on box height direction described in real-time monitoring；
Controller receives the displacement data of displacement sensor transmission；
Wherein, the length of box portion is protruded by adjusting adjusting screw rod, thus the height of adjustment spring support, and then adjust
The limit aperture of pump valve is saved, and adjusts the pre compressed magnitude of pump valve spring.
Preferably, the pump valve dynamic performance and testing, further includes: traffic monitoring equipment monitors in real time respectively
Flow on the suction manifold, exhaust manifold flows into, situation is discharged.
Preferably, the pump valve dynamic performance and testing, further includes: pressure monitor equipment monitors in real time respectively
Suction pressure, discharge pressure situation on the suction manifold, exhaust manifold.
Preferably, the pump valve dynamic performance and testing, institute's displacement sensors are vertically mounted on the cabinet
Top, and its test side is parallel to the moving direction of valve body.
Preferably, the pump valve dynamic performance and testing, the top of the cabinet detachably connect with other positions
It connects.
Preferably, the pump valve dynamic performance and testing, the exhaust manifold lead to water collecting equipment.
Preferably, the pump valve dynamic performance and testing is equipped with regulator on exhaust manifold, adjusts sucking
Pressure difference between manifold and exhaust manifold.
Preferably, the pump valve dynamic performance and testing, the adjusting screw rod, which protrudes on the intracorporal one end of case, to be covered
If retaining ring of the installation for sealing.
Preferably, the pump valve dynamic performance and testing, the cabinet are made of transparent material, facilitate detection
Inner case is observed in the process.
The present invention is include at least the following beneficial effects: the aperture that the present invention is obtained by measurement is (by the shifting for detecting valve body
Dynamic distance indicates), inlet flow rate, inlet pressure, delivery flow and discharge pressure, pass through the parameter of above-mentioned measurement, Ke Yihui
The dynamic test curve of pump valve processed, the accurate dynamic characteristic for describing pump valve；By adjusting pump valve limit aperture, spring force and work
Pressure difference；Realize influence test of this 3 parameters to pump valve performance.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the overall structure diagram of pump valve dynamic performance and testing of the present invention；
Fig. 2 is the internal structure chart of cabinet in the present invention；
1- cabinet, 2- discharge flange, 3- case lid, 4- pump valve spring, 5- spring fastening, 6- adjusting screw rod, 7- retaining ring, 8- swash
Optical displacement sensor, 9- bolt, 10- valve body, 11- valve seat, 12- suck flange, 13- centrifugal pump, 14- flowmeter A, 15- pressure
Table A, 16- pressure gauge B, 17- flowmeter B, 18- pressure regulator valve, 19- water tank.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Fig. 2, the present invention provides a kind of pump valve dynamic performance and testing, for detecting pump valve dynamic property, institute
Stating pump valve includes valve seat 11 and valve body 10, wherein 10 lower end face contact card of the valve body sets and is mounted on valve seat 11, and the two phase
There is the annular slot passed through for liquid in the position of contact, the pump valve dynamic performance and testing includes:
Cabinet 1, bottom are communicated by sucking flange 12 with suction manifold；The pump valve is set in the cabinet 1, and
The sealing of valve seat 11 is fastened on the position to connect on 1 bottom of cabinet with suction manifold；1 side wall of cabinet and exhaust manifold phase
It is logical；
Adjusting screw rod 6, activity passes through to be protruded into cabinet 1 at the top of the cabinet 1, one end installation spring fastening protruded into
5 one end；Pump valve spring 4 is installed in 10 upper end of valve body, and 4 other end of pump valve spring is mutually butted on the adjusting screw rod and protrudes into
One end in cabinet 1 is moved in a certain range with limiting valve body 10；
Displacement sensor may be configured as laser displacement sensor 8 herein, and valve body 11 described in real-time monitoring is in 1 height of cabinet
Real-time dynamic aperture when the displacement on direction, i.e. acquisition pump valve movement；
Controller 20 receives the displacement data of displacement sensor (i.e. laser displacement sensor 8) transmission；
Wherein, the length of 1 part of cabinet is protruded by adjusting adjusting screw rod 6, thus the height of adjustment spring support 5, into
And the limit aperture of pump valve is adjusted, and adjust the pre compressed magnitude of pump valve spring 4.
In one of embodiment, the pump valve dynamic performance and testing, as shown in Figure 1, the suction manifold
With traffic monitoring equipment (may be configured as flowmeter herein) is mounted on exhaust manifold and pressure monitor equipment is (settable herein
For pressure gauge), the flowmeter corresponding to suction manifold is labeled as flowmeter A 14, pressure gauge A 15 (close to sucking flange 12),
Flowmeter B 17, pressure gauge B 16 (close to discharge flange 2), respectively record sucking are labeled as corresponding to the flowmeter of exhaust manifold
Flow and exclusion flow, suction pressure and discharge pressure, and the difference in flow of the two is calculated, for the subsequent performance graph for drawing pump valve
Data are improved to support.
In one of embodiment, the pump valve dynamic performance and testing, as shown in Figure 1, the displacement sensing
Device (i.e. laser displacement sensor 8) is vertically mounted on 1 top of cabinet, and its test side is parallel to the mobile side of valve body 11
To.
In one of embodiment, the pump valve dynamic performance and testing, the top and other portions of the cabinet 1
Position is detachably connected, and bolt 19 can be taken to be detachably connected herein, i.e. case lid 3 and other positions of cabinet 1 is realized by bolt 9
It is detachably connected, facilitates recycling, when subsequent detection in use, pump valve to be detected is installed into cabinet 1.
In one of embodiment, the pump valve dynamic performance and testing, the exhaust manifold, which leads to catchment, to be set
The fluid such as water for being used to detect can be recycled by standby (can be set as water tank 19 herein).
In one of embodiment, the pump valve dynamic performance and testing is equipped with pressure regulation dress on exhaust manifold
It sets and (may be configured as pressure regulator valve 18 herein), adjust the pressure difference between suction manifold and exhaust manifold.
In one of embodiment, the pump valve dynamic performance and testing, the adjusting screw rod 6 protrudes into cabinet 1
Retaining ring 7 of the installation for sealing is arranged on interior one end prevents liquid from spilling out inside cabinet 1 with sealing.
In one of embodiment, the pump valve dynamic performance and testing, the cabinet 1 uses transparent material system
At facilitating and observe inner case in detection process.
The working principle of the invention: liquid is entered by centrifugal pump 13 by suction manifold, sucking flange 12, and valve seat is passed through
Gap between 11 and valve body 10 enters inside cabinet 1；After liquid is by pump valve work in clack box, it is discharged by the way that flange 2 is discharged
Exhaust manifold；Exhaust manifold is equipped with flowmeter 17 and pressure gauge 16 at discharge flange 2；Tune is also equipped on exhaust manifold
Pressure valve 18, liquid are discharged into water tank 20 via exhaust manifold.The present invention realize pump valve dynamic aperture measurement, pump valve entrance, outlet
Real-time traffic and pressure measurement；It is adjustable to be also able to achieve pump valve limit aperture；Pump valve spring force is adjustable；Pump valve two sides pressure difference is adjustable
Section.Aperture, inlet flow rate, inlet pressure, delivery flow and the discharge pressure obtained by measurement, can draw the dynamic of pump valve
Test curve, the accurate dynamic characteristic for describing pump valve；By adjusting pump valve limit aperture, spring force and operting differential pressure, realize this 3
Influence test of the item parameter to pump valve performance, depicts pump valve dynamic property curve according to these three.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of pump valve dynamic performance and testing, for detecting pump valve dynamic property, the pump valve includes valve seat and valve body,
Described in valve body lower end face contact card set and be mounted on valve seat, and there is the cyclic annular seam passed through for liquid in the position that the two is in contact
Gap, which is characterized in that the pump valve dynamic performance and testing includes:
Cabinet, bottom are communicated with suction manifold；The pump valve is set in the cabinet, and the valve base sealing is fastened on case
The position to connect on body bottom with suction manifold；The wall box is communicated with exhaust manifold；
Adjusting screw rod, activity pass through the top of the box and protrude into cabinet, one end installation spring fastening one end protruded into；Institute
Valve body upper end installation pump valve spring is stated, and the pump valve spring other end is mutually butted on the adjusting screw rod and protrudes into case intracorporal one
End, is moved in a certain range with limiting valve body；
Displacement sensor, displacement of the valve body on box height direction described in real-time monitoring；
Controller receives the displacement data of displacement sensor transmission；
Wherein, the length of box portion is protruded by adjusting adjusting screw rod, thus the height of adjustment spring support, and adjust pump
The limit aperture of valve, and adjust the pre compressed magnitude of pump valve spring.
2. pump valve dynamic performance and testing as described in claim 1, which is characterized in that further include:
Traffic monitoring equipment monitors the suction manifold, the flow inflow on exhaust manifold, discharge situation in real time respectively.
3. pump valve dynamic performance and testing as described in claim 1, which is characterized in that further include:
Pressure monitor equipment monitors the suction manifold, the suction pressure on exhaust manifold, discharge pressure situation in real time respectively.
4. pump valve dynamic performance and testing as described in claim 1, which is characterized in that institute's displacement sensors right angle setting
In the top of the box, and its test side is parallel to the moving direction of valve body.
5. pump valve dynamic performance and testing as described in claim 1, which is characterized in that the top of the cabinet and other portions
Position is detachably connected.
6. pump valve dynamic performance and testing as described in claim 1, which is characterized in that the exhaust manifold, which leads to catchment, to be set
It is standby.
7. pump valve dynamic performance and testing as described in claim 1, which is characterized in that be equipped with pressure regulation dress on exhaust manifold
It sets, adjusts the pressure difference between suction manifold and exhaust manifold.
8. pump valve dynamic performance and testing as described in claim 1, which is characterized in that the adjusting screw rod protrudes into cabinet
One end on be arranged installation for sealing retaining ring.
9. pump valve dynamic performance and testing as described in claim 1, which is characterized in that the cabinet uses transparent material system
At facilitating and observe inner case in detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457434.7A CN110333062A (en) | 2019-05-29 | 2019-05-29 | A kind of pump valve dynamic performance and testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457434.7A CN110333062A (en) | 2019-05-29 | 2019-05-29 | A kind of pump valve dynamic performance and testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110333062A true CN110333062A (en) | 2019-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910457434.7A Pending CN110333062A (en) | 2019-05-29 | 2019-05-29 | A kind of pump valve dynamic performance and testing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307443A (en) * | 2020-01-09 | 2020-06-19 | 中国矿业大学 | Method for testing opening of breather valve |
| CN111413088A (en) * | 2020-04-24 | 2020-07-14 | 刘勇 | Method for testing pollution tolerance performance of gear shifting constant pressure valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520379A (en) * | 2009-03-23 | 2009-09-02 | 联合汽车电子有限公司 | Test board for flow rate pressure of pressure regulating valve |
| CN202928755U (en) * | 2012-11-05 | 2013-05-08 | 中高柴油机重工有限公司 | Device for testing seepage of non-return valve |
| CN204420236U (en) * | 2014-12-29 | 2015-06-24 | 淄博真空设备厂有限公司 | A kind of adjustable-pressure antivoid valve |
| CN107121340A (en) * | 2016-02-25 | 2017-09-01 | 中国石油化工股份有限公司 | Reverse pressure testing device for check valve |
| CN207195361U (en) * | 2017-08-29 | 2018-04-06 | 温州大学 | Experimental provision for guiding valve oscillating flow field visual testing |
-
2019
- 2019-05-29 CN CN201910457434.7A patent/CN110333062A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520379A (en) * | 2009-03-23 | 2009-09-02 | 联合汽车电子有限公司 | Test board for flow rate pressure of pressure regulating valve |
| CN202928755U (en) * | 2012-11-05 | 2013-05-08 | 中高柴油机重工有限公司 | Device for testing seepage of non-return valve |
| CN204420236U (en) * | 2014-12-29 | 2015-06-24 | 淄博真空设备厂有限公司 | A kind of adjustable-pressure antivoid valve |
| CN107121340A (en) * | 2016-02-25 | 2017-09-01 | 中国石油化工股份有限公司 | Reverse pressure testing device for check valve |
| CN207195361U (en) * | 2017-08-29 | 2018-04-06 | 温州大学 | Experimental provision for guiding valve oscillating flow field visual testing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307443A (en) * | 2020-01-09 | 2020-06-19 | 中国矿业大学 | Method for testing opening of breather valve |
| CN111413088A (en) * | 2020-04-24 | 2020-07-14 | 刘勇 | Method for testing pollution tolerance performance of gear shifting constant pressure valve |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191015 |
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| RJ01 | Rejection of invention patent application after publication |