CN108195572A - A kind of high-pressure common rail variable pump check valve Flow characteristic test test device - Google Patents
A kind of high-pressure common rail variable pump check valve Flow characteristic test test device Download PDFInfo
- Publication number
- CN108195572A CN108195572A CN201711295493.6A CN201711295493A CN108195572A CN 108195572 A CN108195572 A CN 108195572A CN 201711295493 A CN201711295493 A CN 201711295493A CN 108195572 A CN108195572 A CN 108195572A
- Authority
- CN
- China
- Prior art keywords
- check valve
- adjusting device
- common rail
- variable pump
- pressure common
- 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.)
- Pending
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
Abstract
The present invention provides a kind of high-pressure common rail variable pump check valve Flow characteristic test test devices, including check valve stroke adjusting device, flow sensor and stent, check valve stroke adjusting device and flow sensor are fixed by screws on stent, are connected between check valve stroke adjusting device and flow sensor by hose；Installation check valve to be measured in check valve stroke adjusting device, for adjusting the size that check valve opens lift.The present invention has the advantage that：The present invention adjusts the size of check valve unlatching lift by check valve stroke adjusting device, reads real-time flow data by flow sensor, realizes the flow rate test under different lifts.
Description
Technical field
The invention belongs to field of power machinery technology, more particularly, to a kind of high-pressure common rail variable pump check valve discharge characteristic
Experiment test device.
Background technology
As diesel technology continues to develop, emission regulation demands are more and more stringenter, the height as diesel technology core
Pressure common rail liquid fuel technology has obtained abundant development, and application is more and more extensive.High-pressure common rail variable pump is the pass of high pressure co-rail system
Key component part, the check valve of high-pressure common rail variable pump are the important parts of high-pressure common rail variable pump, the direct shadow of flow characteristics
The performance of variable pump is rung, check valve Flow characteristic test is to carry out high-pressure common rail variable pump technical research important means.
Invention content
In view of this, the present invention is directed to propose a kind of high-pressure common rail variable pump check valve Flow characteristic test test device,
To realize the flow rate test under different lifts.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of high-pressure common rail variable pump check valve Flow characteristic test test device, including check valve stroke adjusting device,
Flow sensor and stent, check valve stroke adjusting device and flow sensor are fixed by screws on stent, check valve row
It is connected between journey regulating device and flow sensor by hose；Installation check valve to be measured in check valve stroke adjusting device, is used
In the size for adjusting check valve unlatching lift.
Further, the check valve stroke adjusting device includes mounting base, compresses screw plug, delivery connection, adjusting rod, turns
Nut and fuel inlet fitting are connect, check valve to be measured is placed in mounting base, and left end is compressed with screw plug is compressed；The adjusting rod is by turning
Nut is connect mounted on mounting base right end, the left part of the adjusting rod passes through switching nut to be contacted with the spool of check valve to be measured,
The upper and lower ends of the delivery connection and the mounting base installed respectively with fuel inlet fitting, and the oil inlet with check valve to be measured respectively
It is connected with oil outlet.
Further, sealing is realized using O-ring on the compression screw plug and switching nut.
Relative to the prior art, the present invention has the advantage that：
The present invention adjusts the size of check valve unlatching lift by check valve stroke adjusting device, is read by flow sensor
Real-time flow data is taken, realizes the flow rate test under different lifts.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure of the high-pressure common rail variable pump check valve Flow characteristic test test device described in the embodiment of the present invention
Schematic diagram；
Fig. 2 is the structure diagram of the check valve stroke adjusting device described in the embodiment of the present invention；
Fig. 3 illustrates to work described in the embodiment of the present invention to valve travel adjustment device.
Reference sign：
1 check valve stroke adjusting device, 2 flow sensors, 3 stents, 4 hoses, 11 mounting bases, 12 compress screw plug, 13 lists
To valve, 14 delivery connections, 15 adjusting rods, 16 switching nuts, 17 fuel inlet fittings.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of high-pressure common rail variable pump check valve Flow characteristic test test device, as shown in Figure 1, including unidirectional stroke of valve
Regulating device 1, flow sensor 2 and stent 3, check valve stroke adjusting device 1 and flow sensor 2 are fixed by screws in branch
On frame 3, connected between check valve stroke adjusting device 1 and flow sensor 2 by hose 4；In check valve stroke adjusting device 1
Check valve 13 to be measured is installed, for adjusting the size of the unlatching lift of check valve 13.
As shown in Fig. 2, the check valve stroke adjusting device 1 include mounting base 11, compress screw plug 12, delivery connection 14,
Adjusting rod 15, switching nut 16 and fuel inlet fitting 17, check valve 13 to be measured are placed in mounting base 11, left end compression screw plug 12
It compresses, compresses and sealing is realized using O-ring on screw plug 12；The adjusting rod 15 is right mounted on mounting base 11 by nut 16 of transferring
End, the left part of the adjusting rod 15 pass through switching nut 16 to be contacted with the spool of check valve 13 to be measured, are adopted on nut 16 of transferring
It is realized and sealed with O-ring；The delivery connection 14 and the upper and lower ends of mounting base 11 installed respectively with fuel inlet fitting 17, and point
It is not connected with the oil inlet of check valve 13 to be measured and oil outlet, the delivery connection 14 is by hose 4 with connecting with flow sensor 2
It connects.
As shown in figure 3, during experimental test：
14 entrance of fuel inlet fitting is passed through 5bar fuel oils, and the spool of check valve 13 passes through adjusting due to action of hydraulic force unlatching
Bar 15 adjusts the size that check valve 13 opens lift, reads real-time flow data by flow sensor 2, realizes under different lifts
Flow rate test.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (3)
1. a kind of high-pressure common rail variable pump check valve Flow characteristic test test device, it is characterised in that：Including unidirectional stroke of valve
Regulating device, flow sensor and stent, check valve stroke adjusting device and flow sensor are fixed by screws on stent,
It is connected between check valve stroke adjusting device and flow sensor by hose；Installation list to be measured in check valve stroke adjusting device
To valve, for adjusting the size that check valve opens lift.
2. high-pressure common rail variable pump check valve Flow characteristic test test device according to claim 1, it is characterised in that：
The check valve stroke adjusting device includes mounting base, compresses screw plug, delivery connection, adjusting rod, switching nut and fuel inlet fitting,
Check valve to be measured is placed in mounting base, and left end is compressed with screw plug is compressed；The adjusting rod is mounted on installation by nut of transferring
Seat right end, the left part of the adjusting rod pass through switching nut to be contacted with the spool of check valve to be measured, the delivery connection and with
The upper and lower ends for the mounting base that fuel inlet fitting is installed respectively, and connected respectively with the oil inlet of check valve to be measured and oil outlet.
3. high-pressure common rail variable pump check valve Flow characteristic test test device according to claim 2, it is characterised in that：
Sealing is realized using O-ring on the compression screw plug and switching nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295493.6A CN108195572A (en) | 2017-12-08 | 2017-12-08 | A kind of high-pressure common rail variable pump check valve Flow characteristic test test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295493.6A CN108195572A (en) | 2017-12-08 | 2017-12-08 | A kind of high-pressure common rail variable pump check valve Flow characteristic test test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195572A true CN108195572A (en) | 2018-06-22 |
Family
ID=62573739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295493.6A Pending CN108195572A (en) | 2017-12-08 | 2017-12-08 | A kind of high-pressure common rail variable pump check valve Flow characteristic test test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195572A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080184792A1 (en) * | 2005-06-16 | 2008-08-07 | Parris Earl H | Check valve module for flow meters with fluid hammer relief |
| CN204575141U (en) * | 2015-03-07 | 2015-08-19 | 上海云飞工贸发展有限公司 | Non-return valve flow detector |
| RU160835U1 (en) * | 2015-12-03 | 2016-04-10 | Общество с ограниченной ответственностью "НПО "КИПЭНЕРГО" | MEASURING UNIT FOR DOSING LIQUID PRODUCTS |
| CN106593730A (en) * | 2016-12-08 | 2017-04-26 | 中国北方发动机研究所(天津) | Pressure regulating valve for test of high-pressure common-rail variable pump |
| CN106768970A (en) * | 2017-01-13 | 2017-05-31 | 平湖康弗莱尔汽车发动机系统有限公司 | One-way valve of oil duct detection means |
-
2017
- 2017-12-08 CN CN201711295493.6A patent/CN108195572A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080184792A1 (en) * | 2005-06-16 | 2008-08-07 | Parris Earl H | Check valve module for flow meters with fluid hammer relief |
| CN204575141U (en) * | 2015-03-07 | 2015-08-19 | 上海云飞工贸发展有限公司 | Non-return valve flow detector |
| RU160835U1 (en) * | 2015-12-03 | 2016-04-10 | Общество с ограниченной ответственностью "НПО "КИПЭНЕРГО" | MEASURING UNIT FOR DOSING LIQUID PRODUCTS |
| CN106593730A (en) * | 2016-12-08 | 2017-04-26 | 中国北方发动机研究所(天津) | Pressure regulating valve for test of high-pressure common-rail variable pump |
| CN106768970A (en) * | 2017-01-13 | 2017-05-31 | 平湖康弗莱尔汽车发动机系统有限公司 | One-way valve of oil duct detection means |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
|
| RJ01 | Rejection of invention patent application after publication |