CN108827549A - Detect gas meter leak tightness measuring device - Google Patents

Detect gas meter leak tightness measuring device Download PDF

Info

Publication number
CN108827549A
CN108827549A CN201810799943.3A CN201810799943A CN108827549A CN 108827549 A CN108827549 A CN 108827549A CN 201810799943 A CN201810799943 A CN 201810799943A CN 108827549 A CN108827549 A CN 108827549A
Authority
CN
China
Prior art keywords
meter
gas
flow meter
gas meter
outlet
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
CN201810799943.3A
Other languages
Chinese (zh)
Inventor
丁月臣
韩贤国
王福贵
时述友
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.)
DANDONG KETAI INSTRUMENTS Co Ltd
Original Assignee
DANDONG KETAI INSTRUMENTS Co Ltd
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 DANDONG KETAI INSTRUMENTS Co Ltd filed Critical DANDONG KETAI INSTRUMENTS Co Ltd
Priority to CN201810799943.3A priority Critical patent/CN108827549A/en
Publication of CN108827549A publication Critical patent/CN108827549A/en
Pending legal-status Critical Current

Links

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
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool

Abstract

The invention discloses a kind of detection gas meter leak tightness measuring devices, including tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system and electric control system, tong-test ammeter sealing mechanism is made of the identical meter clamping mechanism of two stations and gas meter, flow meter to be checked, thin cylinder piston rod drives downwards push plate while squeezing pull rod on meter clamping mechanism, the stepped sealed set outer diameter on through-hole pull rod between respective gasket and round nut increases, and seals with gas meter, flow meter inlet and outlet connectors inner surface;The lifting cylinder of leak test cistern device pushes water tank and its two side rollers to move up along rack guide groove, and gas meter, flow meter is immersed water tank and carries out leak test inspection;Gas delivery system respectively controls tong-test ammeter sealing mechanism ventilation sealing, leak test cistern device lifting gas supply and pressure;Electric control system completes the control and its parameter setting of the setting pressure air in gas meter, flow meter sealing detection.The present apparatus has the characteristics that easy to operate, detection is intuitive, highly reliable, high-efficient.

Description

Detect gas meter leak tightness measuring device
Technical field
The invention patent relates to gas meter, flow meter detection fields, and in particular to a kind of for detecting the measurement of gas meter leak tightness Device.
Background technique
Gas meter, flow meter is the instrument for metering gas usage amount, is made of capsul, machine core, counter three parts, Combustion gas in use process with certain pressure will jeopardize people's life security once revealing from the capsul of gas meter, flow meter, because The detection of this gas meter leak tightness is even more important, it is necessary to detect to the being sealed property of gas meter, flow meter after assembling and before coming into operation.
Gas meter leak tightness detects common method, and there are two types of methods, i.e., dry type compares tries with water, and wherein dry type is relatively root Its leakproofness is judged according to the high pressure dry gas pressure change that measurement is filled in gas meter, flow meter, water examination is that basis is filled with value of pressure Whether there is bubble to determine whether leakage, latter method is more intuitive and detection efficiency is higher, institute in the gas meter, flow meter immersion of air It is relatively broad with application range;Water examination detection gas meter, flow meter sealing device needs its pocket watch, sealing joint mechanism to shell of gas meter Clamping to sealing joint and is filled with value of pressure gas, wherein pocket watch mechanism when clamping shell of gas meter, can be to gas meter, flow meter outside The contact zones such as shell or upper and lower clamp thereon generate clamping force and table body are caused to deform, and cause contact zone to leak air, are also easy to produce Erroneous detection, detection leakage phenomenon also easily lead to and connect if in addition gas meter interface sealing device sealing force irrational distribution or contact force are excessive Mouth clamping deformation, therefore this kind of sealing detection can all cause the secondary damage in gas meter, flow meter detection, there are also the effects of detection and operation The problems such as rate is low.
Summary of the invention
The purpose of the invention patent is to provide one kind for the above problem present in existing gas meter, flow meter sealing detection technology Efficiently, reliable gas meter, flow meter package seal checker, is achieved through the following technical solutions:A kind of detection gas meter, flow meter sealing measurement Device includes tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system and electric control system, the tong-test ammeter sealing mechanism It is that the first gas meter, flow meter 7 to be detected, the second gas meter, flow meter 17 are constituted by the identical meter clamping mechanism 6 of two stations and thereon, the tong-test ammeter Mechanism 6 is by thin cylinder 603, pull rod 604, through-hole pull rod 612, fixed plate 609, push plate 610, nut 611, pull-rod nut 605, outlet gasket 606, the stepped sealed set 607 in outlet, outlet round nut 608, through-hole pull-rod nut 614, import gasket 615, The stepped sealed set 616 of import, import round nut 617 form, and the upper and lower end face of 603 cylinder body of thin cylinder is distinguished by screw 602 It is connect with connecting rod 601 and fixed plate 609, and 601 other end of connecting rod is fixed with 20 upper beam of rack, thin cylinder 603 is living It is connect by nut 611 with push plate 610 at the top of stopper rod, push plate 610 can be made to move down and reset, the pull rod 604, through-hole pull rod 612 tops are connect by pull-rod nut 605, through-hole pull-rod nut 614 with 609 two sides of fixed plate respectively, wherein pull rod 604 and through-hole Middle diameter of axle chamfered edge width, the lower diameter of axle of pull rod 612 are matched respectively with the long hole width in the two sides of fixed plate 609, push plate 610 for gap Merging can control adjustment position, and 603 piston rod of thin cylinder pushes push plate 610 to move down, and make outlet gasket 606 and outlet Stepped sealed 607 outer diameter of set in outlet between round nut 608 increases, and contacts and seals with the first gas meter, flow meter 7 outlet inner surface, together When also increase stepped sealed 616 outer diameter of set of the import between import gasket 615 and import round nut 617, with the first gas meter, flow meter 7 The contact of import inner surface and sealing;The leak test cistern device is arranged on left and right sides symmetrical structure, is by water tank 8, pulley 9, two sides All identical lifting cylinder 10 and two-position five-way valve 11, air accumulator 12 are constituted, and gas source 13 is inflated to setting pressure to air accumulator 12 Afterwards, then translateral two-position five-way valve 11 drives corresponding lifting cylinder 10, same to lead water tank 8 and pulley 9 two sides in rack 20 It is risen or fallen to slot, guarantees that the first gas meter, flow meter 7 on the meter clamping mechanism 6 of two stations, the second gas meter, flow meter 17 immerse or leave water tank 8 Water in, with observation whether have gas leakage generate bubble;The gas delivery system is by gas source 13, the second foot valve 14, first Foot valve 15, pressurizing vessel 16, the second two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19, the second intelligent controller 21, second pressure Power table 22, the first intelligent controller 24, first pressure gauge 25, angle coupling 613 are constituted, and first gas meter, flow meter 7 will be by manually will Its air inlet and air outlet is sleeved on the stepped sealed set 616 of import simultaneously, exports on stepped sealed set 607, and it is foot-operated to step on first Valve 15 controls gas source 13 and ventilates and 603 piston rod of thin cylinder is pushed to move down to the sealing of 7 air inlet/outlet of the first gas meter, flow meter and tensioner, Stepping on the first foot valve 15 control gas source 13 again pushes 603 piston rod of thin cylinder to move up to 7 air inlet/outlet of the first gas meter, flow meter Depressurization and release, gas is successively drawn through the first two mouthfuls of solenoid valves 19, angle coupling 613, through-holes in the pressurizing vessel 16 It after bar 612, is filled in the first gas meter, flow meter 7 and detects leakproofness, and be filled with the first intelligent controller 24 and first pressure gauge 25, similarly To 17 sealing detection of the second gas meter, flow meter;The electric control system is by buzzer 1, power switch 2, lifting button 3, inflation/deflation Button 4, timing button 5, second solenoid valve 23, the first solenoid valve 26, the time relay 27 are constituted, and the power switch 2 is electricity Gas control system provides Electric control, the lifting button 3 control two-position five-way valve 11 it is inflated for deflated to lifting cylinder 10 with It increases or decline water tank 8, the second two mouthfuls of solenoid valves 18 of the control simultaneously of the inflation/deflation button 4, the first two mouthfuls of solenoid valves 19 are distinguished Inflated for deflated to the second gas meter, flow meter 17, the first gas meter, flow meter 7, second intelligent controller 21, the first intelligent controller 24 can Setting detection inflation rated pressure, and actual measurement rated pressure signal is inputted respectively through second solenoid valve 23, the first solenoid valve 26 The time relay 27, the timing button 5 control pressure maintaining detection meter when the time relay 27 reaches setting pressure to two gas meter, flow meters When, the buzzer 1 alarms after detection reaches specified time and leak test is prompted to terminate, that is, completes the sealing inspection of this batch gas meter, flow meter It surveys.
Beneficial effects of the present invention:A kind of detection gas meter leak tightness measuring device, including tong-test ammeter sealing mechanism, leak test Cistern device, gas delivery system and electric control system, tong-test ammeter sealing mechanism be by the identical meter clamping mechanism 6 of two stations and to Gas meter, flow meter composition is examined, 603 piston rod of thin cylinder drives downwards push plate 610 while squeezing pull rod 604, leading on meter clamping mechanism 6 Respective stepped sealed set outer diameter between gasket and round nut increases on hole pull rod 612, seals with gas meter, flow meter inlet and outlet connectors inner surface; The lifting cylinder 10 of leak test cistern device pushes water tank 8 and its two side rollers 9 to move up along rack guide groove, and gas meter, flow meter is immersed water Case 8 carries out leak test inspection;Gas delivery system respectively to tong-test ammeter sealing mechanism ventilation sealing, leak test cistern device lifting gas supply and Pressure control;Electric control system completes the control and its parameter setting of the setting gas pressure in gas meter, flow meter sealing detection;This Device has the characteristics that easy to operate, detection is intuitive, highly reliable, high-efficient.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is partial schematic diagram when meter clamping mechanism is without gas meter, flow meter to be checked in Fig. 1.
Fig. 3 has filled partial schematic diagram when gas meter, flow meter to be checked for meter clamping mechanism in Fig. 1.
In figure, 1. buzzers;2. power switch;3. lifting button;4. inflation/deflation button;5. timing button;6. tong-test ammeter machine Structure;7. the first gas meter, flow meter;8. water tank;9. pulley;10. lifting cylinder;11. two-position five-way valve;12. air accumulator;13. gas source;14. Second foot valve;15. the first foot valve;16. pressurizing vessel;17. the second gas meter, flow meter;18. the second two mouthfuls of solenoid valves;19. first Two mouthfuls of solenoid valves;20. rack;21. the second intelligent controller;22. second pressure gauge;23. second solenoid valve;24. the first intelligence Controller;25. first pressure gauge;26. the first solenoid valve;27. the time relay;601. connecting rod;602. screw;603. slim Cylinder;604. pull rod;605. pull-rod nut;606. outlet gasket;The 607. stepped sealed sets in outlet;608. outlet round nuts; 609. fixed plate;610. push plate;611. nut;612. through-hole pull rods;613. angle coupling;614. through-hole pull-rod nuts; 615. import gaskets;The stepped sealed set of 616. imports;617. import round nuts.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of detection gas meter, flow meter sealing measuring device includes tong-test ammeter sealing mechanism, leak test water Case apparatus, gas delivery system and electric control system, the tong-test ammeter sealing mechanism be by the identical meter clamping mechanism 6 of two stations and The first gas meter, flow meter 7 to be detected, the second gas meter, flow meter 17 are constituted thereon, and the meter clamping mechanism 6 is by thin cylinder 603, pull rod 604, through-hole pull rod 612, fixed plate 609, push plate 610, nut 611, pull-rod nut 605, outlet gasket 606, outlet ladder Sealing shroud 607, outlet round nut 608, through-hole pull-rod nut 614, import gasket 615, the stepped sealed set 616 of import, import circle Nut 617 forms, and the upper and lower end face of 603 cylinder body of thin cylinder is connected with connecting rod 601 and fixed plate 609 respectively by screw 602 It connects, and 601 other end of connecting rod is fixed with 20 upper beam of rack, 603 piston rod part of thin cylinder is by nut 611 and push plate 610 connection, push plate 610 can be made to move down and reset, the pull rod 604,612 top of through-hole pull rod respectively by pull-rod nut 605, Through-hole pull-rod nut 614 is connect with 609 two sides of fixed plate, wherein the middle diameter of axle chamfered edge width of pull rod 604 and through-hole pull rod 612, The lower diameter of axle is clearance fit with the long hole width in the two sides of fixed plate 609, push plate 610 and can control adjustment position respectively, described 603 piston rod of thin cylinder pushes push plate 610 to move down, and makes outlet gasket 606 and exports the outlet ladder between round nut 608 607 outer diameter of sealing shroud increases, and contacts and seals with the first gas meter, flow meter 7 outlet inner surface, while also making import gasket 615 and import Stepped sealed 616 outer diameter of set of import between round nut 617 increases, and contacts and seals with 7 import inner surface of the first gas meter, flow meter;Institute Stating leak test cistern device is arranged on left and right sides symmetrical structure, is by all identical lifting cylinder 10 and two in water tank 8, pulley 9, two sides Position five-way valve 11, air accumulator 12 are constituted, after gas source 13 is inflated to setting pressure to air accumulator 12, then translateral two-position five-way valve 11 drive corresponding lifting cylinder 10, with water tank 8 and pulley 9 the two sides guide groove in rack 20 is risen or fallen, guarantee two works The first gas meter, flow meter 7, the second gas meter, flow meter 17 are immersed or are left in the water of water tank 8 on the meter clamping mechanism 6 of position, whether have gas leakage with observation Generate bubble;The gas delivery system is by gas source 13, the second foot valve 14, the first foot valve 15, pressurizing vessel 16, second Two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19, the second intelligent controller 21, second pressure gauge 22, the first intelligent controller 24, First pressure gauge 25, angle coupling 613 are constituted, its air inlet and air outlet by being manually set with by first gas meter, flow meter 7 simultaneously On the stepped sealed set 616 of import, the stepped sealed set 607 in outlet, steps on the first foot valve 15 control gas source 13 and ventilate and push 603 piston rod of thin cylinder is moved down to the sealing of 7 air inlet/outlet of the first gas meter, flow meter and tensioner, steps on the control of the first foot valve 15 again Gas source 13 pushes 603 piston rod of thin cylinder to move up to 7 air inlet/outlet depressurization of the first gas meter, flow meter and release, and the pressure stabilizing is held Gas is filled in the first gas meter, flow meter 7 successively after the first two mouthfuls of solenoid valves 19, angle coupling 613, through-hole pull rods 612 in device 16 Leakproofness is detected, and is filled with the first intelligent controller 24 and first pressure gauge 25, similarly to 17 sealing detection of the second gas meter, flow meter;Institute Stating electric control system is by buzzer 1, power switch 2, lifting button 3, inflation/deflation button 4, timing button 5, the second electromagnetism Valve 23, the first solenoid valve 26, the time relay 27 are constituted, and the power switch 2 provides Electric control for electric control system, institute It is inflated for deflated to lifting cylinder 10 to increase or decline water tank 8, the inflation/deflation to state the control two-position five-way valve 11 of lifting button 3 Button 4 controls the second two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19 respectively to the second gas meter, flow meter 17, the first gas meter, flow meter 7 simultaneously Inflated for deflated, second intelligent controller 21, the first intelligent controller 24 can set detection inflation rated pressure, and will be real It surveys rated pressure signal and distinguishes input time relay 27 through second solenoid valve 23, the first solenoid valve 26, the timing button 5 is controlled Pressure maintaining detects timing when the time relay 27 processed reaches setting pressure to two gas meter, flow meters, and the buzzer 1 reaches specified in detection It alarms after time and leak test is prompted to terminate, that is, complete this batch gas meter, flow meter sealing detection.

Claims (1)

1. a kind of detection gas meter, flow meter sealing includes with measuring device:Tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system And electric control system, the tong-test ammeter sealing mechanism are by the identical meter clamping mechanism of two stations(6)And thereon to be detected first Gas meter, flow meter(7), the second gas meter, flow meter(17)It constitutes, the meter clamping mechanism(6)It is by thin cylinder(603), pull rod(604), through-hole Pull rod(612), fixed plate(609), push plate(610), nut(611), pull-rod nut(605), outlet gasket(606), outlet Stepped sealed set(607), outlet round nut(608), through-hole pull-rod nut(614), import gasket(615), import it is stepped sealed Set(616), import round nut(617)Composition, the thin cylinder(603)The upper and lower end face of cylinder body is by screw(602)Respectively and even Extension bar(601)And fixed plate(609)Connection, and connecting rod(601)The other end and rack(20)Upper beam is fixed, thin cylinder (603)Piston rod part is by nut(611)With push plate(610)Connection, can make push plate(610)It moves down and resets, the drawing Bar(604), through-hole pull rod(612)Top is respectively by pull-rod nut(605), through-hole pull-rod nut(614)With fixed plate(609)Two Side connects, wherein pull rod(604)With through-hole pull rod(612)Middle diameter of axle chamfered edge width, the lower diameter of axle respectively with fixed plate(609), Push plate(610)The long hole width in two sides be clearance fit and can control adjust position, the thin cylinder(603)Piston rod pushes away Dynamic push plate(610)It moves down, makes outlet gasket(606)With outlet round nut(608)Between the stepped sealed set in outlet(607)Outside Diameter increases, with the first gas meter, flow meter(7)Inner surface contact and sealing are exported, while also making import gasket(615)With import round nut (617)Between the stepped sealed set of import(616)Outer diameter increases, with the first gas meter, flow meter(7)The contact of import inner surface and sealing;Institute Stating leak test cistern device is arranged on left and right sides symmetrical structure, is by water tank(8), pulley(9), all identical lifting cylinder in two sides (10)And two-position five-way valve(11), air accumulator(12)It constitutes, gas source(13)To air accumulator(12)After being inflated to setting pressure, then pass through The two-position five-way valve of two sides(11)Drive corresponding lifting cylinder(10), same to make water tank(8)And pulley(9)Along rack(20)Upper two sides Guide groove rises or falls, and guarantees the meter clamping mechanism of two stations(6)Upper first gas meter, flow meter(7), the second gas meter, flow meter(17)Immerse or Leave water tank(8)Water in, with observation whether have gas leakage generate bubble;The gas delivery system is by gas source(13), second Foot valve(14), the first foot valve(15), pressurizing vessel(16), the second two mouthfuls of solenoid valves(18), the first two mouthfuls of solenoid valves(19), Second intelligent controller(21), second pressure gauge(22), the first intelligent controller(24), first pressure gauge(25), angle coupling (613)It constitutes, first gas meter, flow meter(7)By its air inlet and air outlet is manually sleeved on the stepped sealed set of import simultaneously (616), the stepped sealed set in outlet(607)On, step on the first foot valve(15)Control gas source(13)It ventilates and pushes thin cylinder (603)Piston rod is moved down to the first gas meter, flow meter(7)Air inlet/outlet sealing and tensioner, step on the first foot valve again(15)Control gas Source(13)Push thin cylinder(603)Piston rod is moved up to the first gas meter, flow meter(7)Air inlet/outlet depressurization and release, it is described steady Pressure vessel(16)Middle gas is successively through the first two mouthfuls of solenoid valves(19), angle coupling(613), through-hole pull rod(612)Afterwards, it is filled with One gas meter, flow meter(7)Middle detection leakproofness, and it is filled with the first intelligent controller(24)And first pressure gauge(25), similarly fired to second Gas meter(17)Sealing detection;The electric control system is by buzzer(1), power switch(2), lifting button(3), inflation/deflation Button(4), timing button(5), second solenoid valve(23), the first solenoid valve(26), the time relay(27)It constitutes, the power supply Switch(2)Electric control, the lifting button are provided for electric control system(3)Control two-position five-way valve(11)To lifting cylinder (10)It is inflated for deflated to increase or decline water tank(8), the inflation/deflation button(4)The second two mouthfuls of solenoid valves of control simultaneously (18), the first two mouthfuls of solenoid valves(19)Respectively to the second gas meter, flow meter(17), the first gas meter, flow meter(7)It is inflated for deflated, described second Intelligent controller(21), the first intelligent controller(24)Detection inflation rated pressure can be set, and rated pressure signal will be surveyed Through second solenoid valve(23), the first solenoid valve(26)Input time relay respectively(27), the timing button(5)Control the time Relay(27)Pressure maintaining detection timing, the buzzer when reaching setting pressure to two gas meter, flow meters(1)When detection reaches specified Between after alarm and leak test prompted to terminate, that is, complete this batch gas meter, flow meter sealing detection.
CN201810799943.3A 2018-07-20 2018-07-20 Detect gas meter leak tightness measuring device Pending CN108827549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810799943.3A CN108827549A (en) 2018-07-20 2018-07-20 Detect gas meter leak tightness measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810799943.3A CN108827549A (en) 2018-07-20 2018-07-20 Detect gas meter leak tightness measuring device

Publications (1)

Publication Number Publication Date
CN108827549A true CN108827549A (en) 2018-11-16

Family

ID=64139847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810799943.3A Pending CN108827549A (en) 2018-07-20 2018-07-20 Detect gas meter leak tightness measuring device

Country Status (1)

Country Link
CN (1) CN108827549A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109406063A (en) * 2018-11-27 2019-03-01 大连盛通阀门制造有限公司 A kind of pressure testing device of small dimension y-type filter body
CN109827641A (en) * 2019-01-25 2019-05-31 重庆融焕电器有限公司 A kind of gas meter leak tightness water detection device
CN111802348A (en) * 2020-08-17 2020-10-23 天津森罗科技股份有限公司 Airtight insect killing device and method
CN111999082A (en) * 2020-08-05 2020-11-27 天津格特斯检测设备技术开发有限公司 Evaporator drainage performance detection equipment and detection method
CN112649078A (en) * 2020-12-31 2021-04-13 宜宾机电一体化研究所 Clamping structure and suspension sealing structure for gas meter detection device
CN117249949A (en) * 2023-11-17 2023-12-19 天津锐昇兴业科技有限公司 Vacuum pump cavity tightness detection device and detection method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271034A (en) * 2008-03-04 2008-09-24 海盐美捷测试仪器有限公司 Gas meter leak tightness detecting method and device thereof
CN201163232Y (en) * 2008-03-04 2008-12-10 海盐美捷测试仪器有限公司 Leak tightness detection apparatus for dry type gas meter
CN105675220A (en) * 2016-03-27 2016-06-15 荣成市宇翔实业有限公司 Gas meter leak tester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271034A (en) * 2008-03-04 2008-09-24 海盐美捷测试仪器有限公司 Gas meter leak tightness detecting method and device thereof
CN201163232Y (en) * 2008-03-04 2008-12-10 海盐美捷测试仪器有限公司 Leak tightness detection apparatus for dry type gas meter
CN105675220A (en) * 2016-03-27 2016-06-15 荣成市宇翔实业有限公司 Gas meter leak tester

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109406063A (en) * 2018-11-27 2019-03-01 大连盛通阀门制造有限公司 A kind of pressure testing device of small dimension y-type filter body
CN109827641A (en) * 2019-01-25 2019-05-31 重庆融焕电器有限公司 A kind of gas meter leak tightness water detection device
CN111999082A (en) * 2020-08-05 2020-11-27 天津格特斯检测设备技术开发有限公司 Evaporator drainage performance detection equipment and detection method
CN111802348A (en) * 2020-08-17 2020-10-23 天津森罗科技股份有限公司 Airtight insect killing device and method
CN112649078A (en) * 2020-12-31 2021-04-13 宜宾机电一体化研究所 Clamping structure and suspension sealing structure for gas meter detection device
CN112649078B (en) * 2020-12-31 2024-03-15 宜宾机电一体化研究所 Clamping structure and hanging sealing structure for gas meter detection device
CN117249949A (en) * 2023-11-17 2023-12-19 天津锐昇兴业科技有限公司 Vacuum pump cavity tightness detection device and detection method
CN117249949B (en) * 2023-11-17 2024-04-02 天津锐昇兴业科技有限公司 Vacuum pump cavity tightness detection device and detection method

Similar Documents

Publication Publication Date Title
CN108827549A (en) Detect gas meter leak tightness measuring device
CN205426439U (en) Valve seal nature detection frock
CN206488901U (en) Air tightness detection equipment
CN202372338U (en) Breathing valve calibrating table
CN207007439U (en) A kind of battery leakage detection means
CN203337345U (en) Air tightness detection device
CN104454493A (en) Water pump testing system and method
CN209055285U (en) A kind of experimental rig for examining valve high-low pressure to seal
CN209169777U (en) Vacuum oil filling device for transformer
CN111413043A (en) Device and method for detecting sealing performance of sealing element
CN214200535U (en) Valve leakage test system
CN210037114U (en) Measuring system for measuring sealing performance of sealing box by oxygen-containing method
CN212432449U (en) Automatic leakage detection device for fuel cell stack
CN212158978U (en) Valve sealing surface leakage inspection device
CN103134669A (en) Checking platform of breather valve
CN109459184B (en) Device for providing SF6 gas leakage standard source of electrical equipment and using method thereof
CN208568202U (en) A kind of reverse-osmosis membrane element air-tightness detection device
CN212252073U (en) GIS vacuum pumping equipment system for SF6 gas filling
CN105699022A (en) Gas leakage detector for sealing device
CN216207317U (en) Air tightness testing device
CN205483429U (en) Porous work piece device that leaks hunting
CN211927196U (en) Water heating part cavity tightness detection device
CN219369046U (en) Device for testing tightness of built-in partial discharge sensor of GIS equipment
CN112304533A (en) Valve sealing surface leakage inspection device and method
CN112581845A (en) A differential pressure transmitter calibration equipment for teaching

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20181116