CN107543687A - A kind of check valve life test apparatus - Google Patents
A kind of check valve life test apparatus Download PDFInfo
- Publication number
- CN107543687A CN107543687A CN201610487770.2A CN201610487770A CN107543687A CN 107543687 A CN107543687 A CN 107543687A CN 201610487770 A CN201610487770 A CN 201610487770A CN 107543687 A CN107543687 A CN 107543687A
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- Prior art keywords
- check valve
- water tank
- valve
- magnetic valve
- life test
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Abstract
Present invention relates particularly to a kind of check valve life test apparatus, including closed water tank, open water tank and tested check valve, closed tank top is provided with air source inlet pipe and exhaust water injection pipe, the side of closed water tank is provided with discharge outlet, discharge outlet is connected by one end of drainpipe and hand-operated valve, the other end of hand-operated valve is connected by the 3rd magnetic valve with the entrance of tested check valve all the way, another way is connected by the 4th magnetic valve with the outlet of tested check valve, the entrance of tested check valve is connected by the first connecting tube with open water tank, first connecting tube is provided with the 5th magnetic valve and flowmeter, the outlet of tested check valve is connected by the second connecting tube with open water tank, second connecting tube is provided with the 6th magnetic valve.By cut-offfing cooperation between magnetic valve, so as to shorten the check valve adjacent opening time twice, and then the process of experiment is accelerated, shorten the test period, guaranteed reliability is provided for check valve life test.
Description
Technical field
The present invention relates to check valve technical field, and in particular to a kind of check valve life test apparatus.
Background technology
Check valve is as the critical component in hydraulic pressure and pneumatic line system, quality, the reliable operation of its performance
The height of property, the length in life-span directly influence whole pipeline and the safe and stable operation of system.Existing list
To valve life test apparatus often in structure it is more complicated, it is inconvenient for operation.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, easy to operate, experiment reliable check valve life-span
Experimental rig.
Above-mentioned in order to reach, the technical solution adopted by the present invention is：A kind of check valve life test apparatus, bag
Closed water tank, open water tank and tested check valve are included, the closed tank top is provided with air source inlet
Pipe and exhaust water injection pipe, the air source inlet pipe are provided with the first magnetic valve, and the exhaust water injection pipe is provided with
Second solenoid valve, the side of the closed water tank are provided with discharge outlet, and the discharge outlet passes through drainpipe and hand
One end connection of dynamic valve, the other end of the hand-operated valve entering by the 3rd magnetic valve and tested check valve all the way
Mouth connection, another way are connected by the 4th magnetic valve with the outlet of tested check valve, the tested check valve
Entrance is connected by the first connecting tube with open water tank, first connecting tube be provided with the 5th magnetic valve and
Flowmeter, the outlet of the tested check valve are connected by the second connecting tube with open water tank, and described second
Connecting tube is provided with the 6th magnetic valve.
A kind of check valve life test apparatus as described above, further illustrates and is, in addition to small pump and the
Seven magnetic valves, the entrance of the small pump are connected with open water tank, and the outlet of the small pump passes through the 7th
Magnetic valve is connected with closed water tank.
A kind of check valve life test apparatus as described above, further illustrates to be that first connecting tube is
Transparent material.
A kind of check valve life test apparatus as described above, further illustrates to be that the drainpipe is provided with
Filter screen.
A kind of check valve life test apparatus as described above, further illustrates and is, on the closed water tank
Provided with pressure gauge.
A kind of check valve life test apparatus as described above, further illustrates to be the closed water tank bottom
Portion is provided with adjutage, and the adjutage is provided with safety valve.
The beneficial effects of the invention are as follows：By cut-offfing cooperation between magnetic valve, so as to shorten check valve phase
The adjacent opening time twice, and then the process of experiment is accelerated, the test period is shortened, is the check valve life-span
Experiment provides guaranteed reliability, and the apparatus structure is simple and convenient to operate, is highly reliable；Mended by setting
Water pump, the recycling of water is realized, while extending test period, saved resource；First is connected
Adapter is arranged to transparent material, after check valve leaks, while can intuitively be observed very much,
Add operating efficiency.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1st, closed water tank；2nd, open water tank；3rd, it is tested check valve；4th, air source inlet pipe；
5th, it is vented water injection pipe；6th, the first magnetic valve；7th, second solenoid valve；8th, drainpipe；9th, hand-operated valve；10、
3rd magnetic valve；11st, the 4th magnetic valve；12nd, the first connecting tube；13rd, the 5th magnetic valve；14th, flow
Meter；15th, the second connecting tube；16th, the 6th magnetic valve；17th, small pump；18th, the 7th magnetic valve；19、
Filter screen；20th, pressure gauge；21st, safety valve.
Embodiment
Embodiment of the present invention is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of check valve life test apparatus provided by the invention, including closed water tank 1,
Open water tank 2 and tested check valve 3, the closed water tank 1 are enclosed construction, the open water tank
2 be unenclosed construction, and pressure gauge 20 can be set on closed water tank 1, can be real-time by pressure gauge 20
The pressure observed in closed water tank 1, the top of closed water tank 1 are provided with air source inlet pipe 4 and exhaust water filling
Pipe 5, the air source inlet pipe 4 are provided with the first magnetic valve 6, and the exhaust water injection pipe 5 is provided with the second electromagnetism
Valve 7, can be provided with adjutage in the bottom of closed water tank 1, and the adjutage is provided with safety valve 21.Institute
The side for stating closed water tank 1 is provided with discharge outlet, and the discharge outlet is connected by one end of drainpipe 8 and hand-operated valve 9
Connect, filter screen 19 is also provided with the drainpipe 8, by setting filter screen 19 that the water in experiment can be made more clear
While clean, make the flowing of pipeline reclaimed water more steady, reduce impact, filter screen 19 is intended only as one preferably
Mode, can also be not provided with filter screen 19, and the other end of the hand-operated valve 9 passes through the 3rd magnetic valve 10 and quilt all the way
The entrance connection of check valve 3 is surveyed, another way is connected by the 4th magnetic valve 11 with the outlet of tested check valve 3,
The entrance of the tested check valve 3 is connected by the first connecting tube 12 with open water tank 2, first connection
Pipe 12 is provided with the 5th magnetic valve 13 and flowmeter 14, and first connecting tube 12 is preferably to use transparent material
It is made, the outlet of the tested check valve 3 is connected by the second connecting tube 15 with open water tank 2, and described
Two connecting tubes 15 are provided with the 6th magnetic valve 16.
Preferably, also include the magnetic valve 18 of small pump 17 and the 7th, the entrance of the small pump 17 and opening
Formula water tank 2 is connected, and the outlet of the small pump 17 is connected by the 7th magnetic valve 18 with closed water tank 1.It is logical
Setting small pump 17 is crossed, the water in open water tank 2 is drawn into closed water tank 1, realizes following for water
Ring uses, and while extending test period, has saved resource.
The operation principle of the present invention is, when hand-operated valve 9, the 3rd magnetic valve 10 and the 6th magnetic valve 16 are opened, the
When four magnetic valves 11 and the 5th magnetic valve 13 are closed, it is opening to be tested check valve 3, at this moment opens the first electricity
Magnet valve 6, pressed gas being passed through into closed water tank 1, it is fixed that the gas is not limited, and can be compressed air,
Will be made by gas the water in closed water tank pass sequentially through filter screen 19, hand-operated valve, the 3rd magnetic valve 10,
Enter after the tested magnetic valve 16 of check valve 3 and the 6th in open water tank 2, can be observed by pressure gauge 20 close
Pressure value in closed type water tank 1, bleed pressure is adjusted in time, when there is no water in closed water tank 1,
It can open second solenoid valve 7 with the first magnetic valve of temporary close 6 by being vented water injection pipe 5 and carry out moisturizing, at this moment
Exhaust water injection pipe 5 plays water injection pipe, when carrying out moisturizing by small pump 17, opens the He of the 7th magnetic valve 18
Second solenoid valve 7, close the first magnetic valve 6, you can the water in open water tank is extracted by small pump 17
Into closed water tank 1, at this moment it is vented water injection pipe 5 and plays blast pipe.Similarly, when the 3rd magnetic valve 10
Close with the 6th magnetic valve 16, when hand-operated valve 9, the 4th magnetic valve 11 and the 5th magnetic valve 13 are opened, be tested single
It is off state to valve 3, the leak case of check valve can be detected by flowmeter 14, by the first connecting tube 12
It is made of transparent material, after leaking check valve, while can intuitively be observed very much, is added
Operating efficiency.When carrying out life test to tested check valve 3, pass through the 3rd magnetic valve 10 and the 6th magnetic valve
16, the cooperation between the 4th magnetic valve 11 and the 5th magnetic valve 13, realize and Push And Release is beaten to tested check valve 3
Close, so as to shorten the tested adjacent opening time twice of check valve 3, and then accelerate the process of experiment, contract
The short test period, guaranteed reliability is provided to be tested the life test of check valve 3, the apparatus structure is simple,
It is easy to operate, highly reliable；Leakage observation can also be carried out to tested check valve 3 by flowmeter 14.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, ability
The various deformations or amendments that field technique personnel can make without creative work are protected by this patent.
Claims (6)
- A kind of 1. check valve life test apparatus, it is characterised in that：Including closed water tank (1), open water tank (2) and tested check valve (3), closed water tank (1) top are provided with air source inlet pipe (4) and row Gas water injection pipe (5), the air source inlet pipe (4) are provided with the first magnetic valve (6), the exhaust water injection pipe (5) second solenoid valve (7) is provided with, the side of the closed water tank (1) is provided with discharge outlet, described Discharge outlet is connected by drainpipe (8) with one end of hand-operated valve (9), the other end of the hand-operated valve (9) It is connected all the way by the 3rd magnetic valve (10) with the entrance of tested check valve (3), another way passes through the 4th electricity Magnet valve (11) is connected with the outlet of tested check valve (3), and the entrance of the tested check valve (3) passes through First connecting tube (12) is connected with open water tank (2), and first connecting tube (12) is provided with the 5th Magnetic valve (13) and flowmeter (14), the outlet of the tested check valve (3) pass through the second connecting tube (15) It is connected with open water tank (2), second connecting tube (15) is provided with the 6th magnetic valve (16).
- A kind of 2. check valve life test apparatus according to claim 1, it is characterised in that：Also include moisturizing Pump (17) and the 7th magnetic valve (18), entrance and the open water tank (2) of the small pump (17) connect Connect, the outlet of the small pump (17) is connected by the 7th magnetic valve (18) with closed water tank (1).
- A kind of 3. check valve life test apparatus according to claim 1, it is characterised in that：Described first connects It is transparent material to take over (12).
- A kind of 4. check valve life test apparatus according to claim 1, it is characterised in that：The drainpipe (8) it is provided with filter screen (19).
- A kind of 5. check valve life test apparatus according to claim 1, it is characterised in that：The closed Water tank (1) is provided with pressure gauge (20).
- 6. a kind of check valve life test apparatus according to any one of claim 1 to 5, its feature exist In：Closed water tank (1) bottom is provided with adjutage, and the adjutage is provided with safety valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487770.2A CN107543687A (en) | 2016-06-29 | 2016-06-29 | A kind of check valve life test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487770.2A CN107543687A (en) | 2016-06-29 | 2016-06-29 | A kind of check valve life test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107543687A true CN107543687A (en) | 2018-01-05 |
Family
ID=60962877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610487770.2A Pending CN107543687A (en) | 2016-06-29 | 2016-06-29 | A kind of check valve life test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107543687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918103A (en) * | 2018-04-18 | 2018-11-30 | 合肥通用机械研究院有限公司 | A kind of waterpower control Dynamic Characteristics of Non-Return Valve test macro and test method |
| CN109029943A (en) * | 2018-06-21 | 2018-12-18 | 中广核研究院有限公司 | Two loop non-return valve action test sets |
-
2016
- 2016-06-29 CN CN201610487770.2A patent/CN107543687A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918103A (en) * | 2018-04-18 | 2018-11-30 | 合肥通用机械研究院有限公司 | A kind of waterpower control Dynamic Characteristics of Non-Return Valve test macro and test method |
| CN109029943A (en) * | 2018-06-21 | 2018-12-18 | 中广核研究院有限公司 | Two loop non-return valve action test sets |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |