CN105466652A - Detection device of diaphragm valve - Google Patents

Detection device of diaphragm valve Download PDF

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Publication number
CN105466652A
CN105466652A CN201511005476.5A CN201511005476A CN105466652A CN 105466652 A CN105466652 A CN 105466652A CN 201511005476 A CN201511005476 A CN 201511005476A CN 105466652 A CN105466652 A CN 105466652A
Authority
CN
China
Prior art keywords
valve
diaphragm valve
side fixture
frock clamp
test pipeline
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
Application number
CN201511005476.5A
Other languages
Chinese (zh)
Inventor
卢东旭
张凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute Of Aeronautics Wenzhou Research Institute
Original Assignee
Beijing Institute Of Aeronautics Wenzhou Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Institute Of Aeronautics Wenzhou Research Institute filed Critical Beijing Institute Of Aeronautics Wenzhou Research Institute
Priority to CN201511005476.5A priority Critical patent/CN105466652A/en
Publication of CN105466652A publication Critical patent/CN105466652A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves

Abstract

The invention discloses a detection device of a diaphragm valve. The technical scheme of the device is characterized by comprising a rack, wherein a working table is disposed on the rack, a testing pipeline is disposed above the working table, a pressure transmitter and a pressure difference sensor used to detect the size of a pressure in the testing pipeline are disposed in the testing pipeline, a tooling clamp used to place the diaphragm valve is disposed on the working table, a control valve used to control opening and closing of the testing pipeline is disposed on a gas inlet end of the testing pipeline, a gas outlet end of the testing pipeline is disposed on the tooling clamp, a water tank is disposed under the working table, and a lifting assembly used to convey the diaphragm valve into the water tank is disposed on the rack. Gas tightness of the detection valve carries out automatic detection, reduces manual labor, saves more time and efforts, increases working efficiency, has high detection quality and greatly increases quality of the valve.

Description

A kind of diaphragm valve pick-up unit
Technical field
The present invention relates to a kind of valve field, more particularly, it relates to a kind of diaphragm valve pick-up unit.
Background technology
Valve, before dispatching from the factory, in order to ensure the quality of valve, needs to detect the impermeability of valve.The detection method of existing market, is all when detecting valve, valve is put into water, then by manually carrying out the situation whether recognition detection exists valve leaks.Such mode of operation, under efficiency, the accuracy of detection is not high, not only lost labor labour, and easily causes undetected or false retrieval, impacts to valve mass.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide one automatically can detect valve and whether leak, more time saving and energy saving, make a kind of diaphragm valve pick-up unit that work efficiency is higher.
For achieving the above object, the invention provides following technical scheme:
A kind of diaphragm valve pick-up unit, comprise frame, described frame is provided with worktable, test pipeline is provided with above described worktable, the pressure unit for detecting the pressure size in test pipeline and differential pressure pickup is provided with in described test pipeline, described worktable is provided with the frock clamp for placing diaphragm valve, the inlet end of described test pipeline is provided with the operation valve for controlling to test pipeline keying, the outlet side of described test pipeline is arranged on frock clamp, the below of described worktable is provided with tank, described frame is provided with the lifting assembly for being transported to by diaphragm valve in tank.
By adopting technique scheme, valve to be measured is placed in frock clamp, press on the table and start test, test pipeline starts the actuator controlled on diaphragm valve and commutates, when diaphragm valve is closed, open operation valve, the inlet end of test pipeline starts to squeeze into gases at high pressure in diaphragm valve bodies, pressurize simultaneously, utilize pressure unit and differential pressure pickup in test pipeline to measure and record pressure to change, when the pressure change in diaphragm valve body is lower than normal pressure drop, display control panel display valve is qualified, otherwise then show defective, when the valve is open, when pressure change is lower than normal pressure drop, display control panel display valve body is qualified, otherwise then can be shown as defective.The air pressure tested after detection in pipeline is emitted by outlet side again, when being defective when there being valve detection result, manual control valve, is down into tank by valve by lifting assembly in frock clamp, and carrying out observation leakage position, mark has been convenient to later stage repairing.Such device, automatically can complete the air-leakage test of all parts of valve, the accuracy of detection is higher, reduces artificial labour, more time saving and energy saving, and the qualification rate of product export is promoted greatly.
The present invention is set to further: described frock clamp comprise base, for pinch valve left side operated pneumatic valve, with test pipeline be connected and can squeeze into the left side fixture of gases at high pressure and the right side fixture for sealing and for discharging gases at high pressure to diaphragm valve, described left side fixture and right side fixture are arranged at the both sides of base respectively, and described left side operated pneumatic valve is located at frock clamp and is relatively provided with on one end of left side fixture.
By adopting technique scheme, when device is started working, diaphragm valve to be detected is fixedly clamped by left side operated pneumatic valve, left side fixture squeezes into gases at high pressure in diaphragm valve, right side fixture is by the high-pressure gas seal in valve, carry out the detection to diaphragm valve, after detection, right side fixture just can discharge the gases at high pressure in diaphragm valve body.Make in the process of testing, stability is higher, and work quality is more secure, makes detection not undetected, not false retrieval.
The present invention is set to further: be provided with track between described left side fixture and right side fixture, and described right side fixture is provided with slide block, and described slide block is provided with the chute suitable with track, and described right side fixture is by slide block opposing left fixture slippage back and forth in orbit.
By adopting technique scheme, right side fixture can the slippage back and forth of opposing left fixture, such vibrational power flow, make valve frock clamp being placed various model, by the slide block on the fixture of right side, the direction slippage of matching track opposing left fixture, regulate the distance between left side fixture and right side fixture, make valve to be measured to be well fixed on frock clamp, also make testing be protected, improve work quality.
The present invention is set to further: described lifting assembly comprises cylinder and expansion link, one end of described expansion link is connected with cylinder, the other end of described expansion link is connected on frock clamp, and described cylinder can order about expansion link and drive the relative tank of frock clamp to move up and down.
By adopting technique scheme, when the valve detected is defective, cylinder just can drive expansion link to move towards tank direction, underproof valve is transported in tank from frock clamp, waits operating personnel to carry out observation mark, such vibrational power flow, do not need carrying manually, more time saving and energy saving, and operation acts links up, and increases work efficiency.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is lifting assembly structural representation;
Fig. 4 is Tool clamp structure schematic diagram.
1, frame; 2, worktable; 3, pipeline is tested; 4, frock clamp; 40, left side operated pneumatic valve; 41, left side fixture; 42, right side fixture; 43, base; 44, track; 45, slide block; 46, chute; 5, tank; 6, lifting assembly; 60, cylinder; 61, expansion link; 7, display control panel.
Embodiment
Referring to figs. 1 through Fig. 4, a kind of diaphragm valve pick-up unit of the present invention embodiment is described further.
A kind of diaphragm valve pick-up unit, comprise frame 1, described frame 1 is provided with worktable 2, test pipeline 3 is provided with above described worktable 2, the pressure unit for detecting the pressure size in test pipeline 3 and differential pressure pickup is provided with in described test pipeline 3, described worktable 2 is provided with the frock clamp 4 for placing diaphragm valve, the inlet end of described test pipeline 3 is provided with the operation valve for controlling to test pipeline 3 keying, the outlet side of described test pipeline 3 is arranged on frock clamp 4, the below of described worktable 2 is provided with tank 5, described frame 1 is provided with the lifting assembly 6 for being transported to by diaphragm valve in tank 5.
Valve to be measured is placed in frock clamp 4, worktable 2 is pressed and starts test, test pipeline 3 starts the actuator controlled on diaphragm valve and commutates, when diaphragm valve is closed, open operation valve, the inlet end of test pipeline 3 starts to squeeze into gases at high pressure in diaphragm valve bodies, pressurize simultaneously, utilize pressure unit and differential pressure pickup in test pipeline 3 to measure and record pressure to change, when the pressure change in diaphragm valve body is lower than normal pressure drop, it is qualified that display control panel 7 shows valve, otherwise then show defective, when the valve is open, when pressure change is lower than normal pressure drop, it is qualified that display control panel 7 shows valve body, otherwise then can be shown as defective.The air pressure tested after detection in pipeline 3 is emitted by outlet side again, when being defective when there being valve detection result, manual control valve, is down into tank 5 by valve by lifting assembly 6 in frock clamp 4, and carrying out observation leakage position, mark has been convenient to later stage repairing.Such device, automatically can complete the air-leakage test of all parts of valve, the accuracy of detection is higher, reduces artificial labour, more time saving and energy saving, and the qualification rate of product export is promoted greatly.
Described frock clamp 4 comprise base 43, for pinch valve left side operated pneumatic valve 40, with test pipeline 3 be connected and can squeeze into the left side fixture 41 of gases at high pressure and the right side fixture 42 for sealing and for discharging gases at high pressure to diaphragm valve, described left side fixture 41 and right side fixture 42 are arranged at the both sides of base 43 respectively, and described left side operated pneumatic valve 40 is located at frock clamp 4 and is relatively provided with on one end of left side fixture 41
When device is started working, diaphragm valve to be detected is fixedly clamped by left side operated pneumatic valve 40, left side fixture 41 squeezes into gases at high pressure in diaphragm valve, right side fixture 42 is by the high-pressure gas seal in valve, carry out the detection to diaphragm valve, after detection, right side fixture 42 just can discharge the gases at high pressure in diaphragm valve body.Make in the process of testing, stability is higher, and work quality is more secure, makes detection not undetected, not false retrieval.
Track 44 is provided with between described left side fixture 41 and right side fixture 42, described right side fixture 42 is provided with slide block 45, described slide block 45 is provided with the chute 46 suitable with track 44, and described right side fixture 42 is by slide block 45 opposing left fixture 41 slippage back and forth on track 44.
Right side fixture 42 can opposing left fixture 41 slippage back and forth, such vibrational power flow, make valve frock clamp 4 being placed various model, by the slide block 45 on right side fixture 42, the direction slippage of matching track 44 opposing left fixture 41, regulates the distance between left side fixture 41 and right side fixture 42, valve to be measured can be well fixed on frock clamp 4, also make testing be protected, improve work quality.
Described lifting assembly 6 comprises cylinder 60 and expansion link 61, and one end of described expansion link 61 is connected with cylinder 60, and the other end of described expansion link 61 is connected on frock clamp 4, and described cylinder 60 can order about expansion link 61 and drive the relative tank 5 of frock clamp 4 to move up and down.
When the valve detected is defective, cylinder 60 just can drive expansion link 61 to move towards tank 5 direction, underproof valve is transported in tank 5 from frock clamp 4, observation mark is carried out Deng operating personnel, such vibrational power flow, does not need carrying manually, more time saving and energy saving, and operation acts links up, and increases work efficiency.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (4)

1. a diaphragm valve pick-up unit, it is characterized in that: comprise frame, described frame is provided with worktable, test pipeline is provided with above described worktable, the pressure unit for detecting the pressure size in test pipeline and differential pressure pickup is provided with in described test pipeline, described worktable is provided with the frock clamp for placing diaphragm valve, the inlet end of described test pipeline is provided with the operation valve for controlling to test pipeline keying, the outlet side of described test pipeline is arranged on frock clamp, the below of described worktable is provided with tank, described frame is provided with the lifting assembly for being transported to by diaphragm valve in tank.
2. a kind of diaphragm valve pick-up unit according to claim 1, it is characterized in that: described frock clamp comprise base, for pinch valve left side operated pneumatic valve, with test pipeline be connected and can squeeze into the left side fixture of gases at high pressure and the right side fixture for sealing and for discharging gases at high pressure to diaphragm valve, described left side fixture and right side fixture are arranged at the both sides of base respectively, and described left side operated pneumatic valve is located at frock clamp and is relatively provided with on one end of left side fixture.
3. a kind of diaphragm valve pick-up unit according to claim 2, it is characterized in that: between described left side fixture and right side fixture, be provided with track, described right side fixture is provided with slide block, described slide block is provided with the chute suitable with track, and described right side fixture is by slide block opposing left fixture slippage back and forth in orbit.
4. a kind of diaphragm valve pick-up unit according to claim 3, it is characterized in that: described lifting assembly comprises cylinder and expansion link, one end of described expansion link is connected with cylinder, the other end of described expansion link is connected on frock clamp, and described cylinder can order about expansion link and drive the relative tank of frock clamp to move up and down.
CN201511005476.5A 2015-12-28 2015-12-28 Detection device of diaphragm valve Pending CN105466652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511005476.5A CN105466652A (en) 2015-12-28 2015-12-28 Detection device of diaphragm valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511005476.5A CN105466652A (en) 2015-12-28 2015-12-28 Detection device of diaphragm valve

Publications (1)

Publication Number Publication Date
CN105466652A true CN105466652A (en) 2016-04-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110823556A (en) * 2019-11-08 2020-02-21 方圆阀门集团有限公司 Automatic valve performance testing device and testing method thereof
CN110987311A (en) * 2019-11-26 2020-04-10 台州科技职业学院 Air tightness testing device suitable for stop valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201331418Y (en) * 2008-10-13 2009-10-21 潍坊潍柴零部件机械有限公司 Air-tightness detection device of shell body
CN201464131U (en) * 2009-08-14 2010-05-12 太原维太新材科技有限公司 Underwater air pressure testing machine of steel pipe
CN102435401A (en) * 2011-09-08 2012-05-02 天津银河阀门有限公司 Machine for testing sealing property of butterfly valve
CN105067197A (en) * 2015-08-03 2015-11-18 曲靖维拓科技有限公司 Automobile intake pipe air tightness detection device and detection method
CN205300876U (en) * 2015-12-28 2016-06-08 北航温州研究院 Diaphragm valve detection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201331418Y (en) * 2008-10-13 2009-10-21 潍坊潍柴零部件机械有限公司 Air-tightness detection device of shell body
CN201464131U (en) * 2009-08-14 2010-05-12 太原维太新材科技有限公司 Underwater air pressure testing machine of steel pipe
CN102435401A (en) * 2011-09-08 2012-05-02 天津银河阀门有限公司 Machine for testing sealing property of butterfly valve
CN105067197A (en) * 2015-08-03 2015-11-18 曲靖维拓科技有限公司 Automobile intake pipe air tightness detection device and detection method
CN205300876U (en) * 2015-12-28 2016-06-08 北航温州研究院 Diaphragm valve detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110823556A (en) * 2019-11-08 2020-02-21 方圆阀门集团有限公司 Automatic valve performance testing device and testing method thereof
CN110987311A (en) * 2019-11-26 2020-04-10 台州科技职业学院 Air tightness testing device suitable for stop valve

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Application publication date: 20160406

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