CN101266188A - Disc valve detection device - Google Patents

Disc valve detection device Download PDF

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Publication number
CN101266188A
CN101266188A CNA2008100250980A CN200810025098A CN101266188A CN 101266188 A CN101266188 A CN 101266188A CN A2008100250980 A CNA2008100250980 A CN A2008100250980A CN 200810025098 A CN200810025098 A CN 200810025098A CN 101266188 A CN101266188 A CN 101266188A
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CN
China
Prior art keywords
force pipe
valve
gas
clamping cylinder
pipe
Prior art date
Application number
CNA2008100250980A
Other languages
Chinese (zh)
Other versions
CN100565157C (en
Inventor
金国平
吴建伟
刘宏亮
王金流
Original Assignee
常州市科信燃气设备有限公司
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 常州市科信燃气设备有限公司 filed Critical 常州市科信燃气设备有限公司
Priority to CNB2008100250980A priority Critical patent/CN100565157C/en
Publication of CN101266188A publication Critical patent/CN101266188A/en
Application granted granted Critical
Publication of CN100565157C publication Critical patent/CN100565157C/en

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Abstract

The invention relates to a butterfly valve detecting device, comprising a transmission and pressure mechanism, a first pressure pipe, a second pressure pipe, a first seal flange, a second seal flange, a first air in/out control ball valve, a barometer and a second air in/out control ball valve. The first seal flange and the second seal flange are used for respectively cooperated with the upper part and lower part of the butterfly valve to be detected via effect of the of the transmission and pressure mechanism; the butterfly valve is closed during detecting process, then the compressed air is pressed into the first pressure pipe; if internal leakage occurs or the butterfly is not closed properly, the compressed air is pressed into the second pressure pipe while the pressure value of the barometer rises; in another hand, if flaws or linkage occurs in the butterfly valve, the compressed air is pressed into the second pressure pipe while the pressure value of the barometer reduces, in order to detect whether external or internal linkage exists in the butterfly valve.

Description

Disc valve detection device
Technical field
The present invention relates to a kind of disc valve detection device.
Background technology
At present, the dish valve is widely used on the pipelines such as city gas conveying, and what the reliability of its voltage regulation function directly had influence on the resident uses gas safety.For example, Chinese patent literature notification number CN2864130 discloses a kind of semi-automatic electric butterfly valve that is applied to gas internal-combustion engine gas inlet pipe road.On the position of the vertical valve axon heart, be fixed with the butterfly bobbin by rolling bearing, on the video disc axle of valve inner, be fixed with the butterfly sheet, the part that rolling bearing is stretched out in the upper end of video disc axle is equipped with rolling bearing pedestal successively, base plate, torsion spring and lever, on base plate, go out a side partly and be provided with electromagnet near the video disc shaft extension, pass the latch in electromagnet axle center, stage clip and stage clip seat board, stage clip seat board and electromagnet are by top board and column, register pin is fixed, outer end at lever is provided with handle, inner end is provided with the backing pin that cooperates with latch, and torsion spring acts between base plate and the lever.
Chinese patent literature notification number CN101086466 discloses the performance detecting system of pressure conditioning equipment.It comprises gas-holder, flowmeter, one-level pneumatic valve, secondary pneumatic valve, some ball valves and the plurality of conduits that is formed by connecting with bolt.The one-level pneumatic valve is made up of main body and pilot valve two parts, and both are connected with signal pipe, fast joint.The secondary pneumatic valve is made up of main body, needle valve and vent valve, and they are connected with signal pipe, fast joint.In the gas-holder exit, one-level pneumatic valve exit, flowmeter exit, tested gas pressure regulator, governor exit respectively be provided with a tensimeter respectively, the needle valve and the vent valve of each tensimeter, one-level pneumatic valve pilot valve, secondary pneumatic valve are arranged on the control and monitor console, and they are connected on the relevant position of detection system by signal pipe, fast joint respectively.
Above-mentioned the deficiencies in the prior art are: can not be used to detect the dish valve seal.
Summary of the invention
Technical matters to be solved by this invention provides the disc valve detection device that is used to detect the dish valve seal a kind of.
For solving the problems of the technologies described above, the invention provides a kind of disc valve detection device, comprise level or first force pipe that is oppositely arranged up and down and second force pipe; The transmission pressure exerting arrangement that links to each other with first force pipe or second force pipe, be respectively equipped with first seal flange and second seal flange on first force pipe port relative with second force pipe, first force pipe is provided with first gas turnover control ball valve, and second force pipe is provided with rain glass and second gas turnover control ball valve; The port that first seal flange is relative with second seal flange is provided with O-ring seal.
In the technique scheme, also comprise erecting frame; Described transmission pressure exerting arrangement comprises: the cylinder gauge tap of being located at the clamping cylinder on the erecting frame and being used to control clamping cylinder; The flexible line shaft of clamping cylinder links to each other with first force pipe or second force pipe; Described first force pipe and second force pipe are located on the erecting frame.
The air source inlet end of the air source inlet end of described clamping cylinder, first gas turnover control ball valve links to each other with compressed gas source through gas filter respectively with the air source inlet end of second gas turnover control ball valve.
As a kind of scheme, when first force pipe and second force pipe were oppositely arranged up and down, described erecting frame comprised table top and is located at the crossbeam of table top top; Described second force pipe is located on the table top; Described clamping cylinder is located on the crossbeam, and the power output shaft of clamping cylinder links to each other with the upper end of first force pipe.Adopt up-down structure, be convenient to operation.
As another kind of scheme, when first force pipe and the second force pipe level were oppositely arranged, described erecting frame comprised: table top, the dish valve seat of being located at the force pipe retainer on the table top and being used to prevent the dish valve; The dish valve seat is located between first force pipe and the second force pipe level, clamping cylinder is fixed on an end of table top, if second force pipe is fixed in the other end of table top, then first force pipe and force pipe retainer flexibly connect, and the outboard end of first force pipe links to each other with the power output shaft of clamping cylinder; Otherwise if first force pipe is fixed in the other end of table top, then second force pipe and force pipe retainer flexibly connect, and the outboard end of second force pipe links to each other with the power output shaft of clamping cylinder.
The present invention has positive effect: in (1) disc valve detection device of the present invention, under the effect of transmission pressure exerting arrangement, first seal flange and second seal flange are used for respectively being sealed and matched mutually with the upper and lower end face of the valve port of tested dish valve, need not screw retention, and be simple to operation; During detection, earlier butterfly valve is in closed condition, then pressurized air is squeezed into by first gas turnover control ball valve in first force pipe of upper end of tested dish valve, if the dish valve has internal leak or is not closed completely, then gas will enter in second force pipe of lower end of dish valve, and barometric pressure will rise.Equally, if the dish valve has crackle or seepage, pressurized air is squeezed into by second gas turnover control ball valve in second force pipe of lower surface of tested dish valve, then barometric pressure will descend.By twice detection up and down, whether have outside or internal leak, can determine whether the dish valve is qualified if can judge butterfly valve respectively like this.(2) in the disc valve detection device of the present invention, the transmission pressure exerting arrangement adopts clamping cylinder as power source, by pressurized air it is controlled, and is beneficial to environmental protection, operates safer.
Description of drawings
Fig. 1 is the front view of the disc valve detection device of embodiment 1;
Fig. 2 is the rear view of Fig. 1.
Each label is respectively among the figure:
1--first force pipe, 2--second force pipe, 3--first seal flange, 4--second seal flange, the 5--erecting frame, 5-1--crossbeam, 5-2--table top, the 6--rain glass, 7--cylinder gauge tap, 8--gas filter, 9--first gas turnover control ball valve, 10--second gas turnover control ball valve, the 12--clamping cylinder.
Embodiment
(embodiment 1)
See Fig. 1-2, the disc valve detection device of present embodiment comprises: erecting frame 5; Erecting frame 5 comprises table top 5-2 and is fixed in the crossbeam 5-1 of table top 5-2 top; Be fixed with 3 clamping cylinders 12 on the crossbeam 5-1, be fixed with 3 second force pipes 2 on the table top 5-2, the upper port of each second force pipe 2 is provided with second seal flange 4; Be connected with first force pipe 1 on the power output shaft of each clamping cylinder 12, and first force pipe 1 and second force pipe 2 are oppositely arranged up and down, the lower port of first force pipe 1 is provided with first seal flange 3, first force pipe 1 is provided with first gas turnover control ball valve, 9, the second force pipes 2 and is provided with rain glass 6 and second gas turnover control ball valve 10.First gas turnover control ball valve 9 is used for linking to each other with the source of the gas of pressure gas with second gas turnover control ball valve 10, and controls pressurized air respectively and enter first force pipe 1 and second force pipe 2.
Air source inlet end at clamping cylinder 12 links to each other with the source of the gas of pressure gas, and the air source inlet end of clamping cylinder 12 is provided with the cylinder gauge tap 7 that the power output shaft that is used to control clamping cylinder 12 is stretched out or withdrawn.
The air source inlet end of the air source inlet end of described clamping cylinder 12, first gas turnover control ball valve 9 links to each other with compressed gas source through gas filter 8 respectively with the air source inlet end of second gas turnover control ball valve 10, to prevent the pollutant in the gas disc valve detection device and the generation of dish valve of present embodiment is polluted.Simultaneously, adopt pressurized air as power source, energy-conserving and environment-protective, and safe in utilization.
When carrying out testing, make butterfly valve be in closed condition, and the valve port lower surface of tested dish valve is placed on second seal flange 4, by cylinder gauge tap 7 control clamping cylinders 12 first force pipe 1 is depressed, first seal flange 3 is pressed on the valve port upper surface of tested dish valve, thus the valve port two ends of airtight tested dish valve.
Then, pressurized air is squeezed into by first gas turnover control ball valve 9 in first force pipe 1 of upper end of tested dish valve, if the dish valve has internal leak or is not closed completely, then gas will enter in second force pipe 2 of lower end of dish valve, and the pressure of rain glass 6 will rise.Equally, if the dish valve has crackle or seepage, pressurized air is squeezed into by second gas turnover control ball valve 10 in second force pipe 2 of lower surface of tested dish valve, then the pressure of rain glass 6 will descend.By twice detection up and down, whether have outside or internal leak, can determine whether the dish valve is qualified if can judge butterfly valve respectively like this.After detecting end, unclamp first force pipe 1, detection finishes.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.

Claims (4)

1, a kind of disc valve detection device is characterized in that: comprise first force pipe (1) and second force pipe (2) that are oppositely arranged; The transmission pressure exerting arrangement that links to each other with first force pipe (1) or second force pipe (2), be respectively equipped with first seal flange (3) and second seal flange (4) on first force pipe (1) port relative with second force pipe (2), first force pipe (1) is provided with first gas turnover control ball valve (9), and second force pipe (2) is provided with rain glass (6) and second gas turnover control ball valve (10).
2, disc valve detection device according to claim 1 is characterized in that: also comprise erecting frame (5); Described transmission pressure exerting arrangement comprises: the cylinder gauge tap (7) of being located at the clamping cylinder (12) on the erecting frame (5) and being used to control clamping cylinder (12); The flexible line shaft of clamping cylinder (12) links to each other with first force pipe (1) or second force pipe (2); Described first force pipe (1) and second force pipe (2) are located on the erecting frame (5).
3, disc valve detection device according to claim 2 is characterized in that: the air source inlet end of the air source inlet end of described clamping cylinder (12), first gas turnover control ball valve (9) links to each other with compressed gas source through gas filter (8) respectively with the air source inlet end of second gas turnover control ball valve (10).
4, disc valve detection device according to claim 2 is characterized in that: described erecting frame (5) comprises table top (5-2) and is located at the crossbeam (5-1) of table top (5-2) top; Described second force pipe (2) is located on the table top (5-2); Described clamping cylinder (12) is located on the crossbeam (5-1), and the power output shaft of clamping cylinder (12) links to each other with the upper end of first force pipe (1).
CNB2008100250980A 2008-05-07 2008-05-07 Disc valve detection device CN100565157C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2008100250980A CN100565157C (en) 2008-05-07 2008-05-07 Disc valve detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2008100250980A CN100565157C (en) 2008-05-07 2008-05-07 Disc valve detection device

Publications (2)

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CN101266188A true CN101266188A (en) 2008-09-17
CN100565157C CN100565157C (en) 2009-12-02

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Application Number Title Priority Date Filing Date
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359867A (en) * 2011-08-01 2012-02-22 江苏瑞泰重型机械有限公司 Functional wind tunnel testing device of self-adaptive butterfly valve
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
CN102749180A (en) * 2012-07-10 2012-10-24 丹东市蓝信电器有限公司 On-line leak rate detection device for stop valve
CN103033321A (en) * 2012-12-12 2013-04-10 天津渤海化工有限责任公司天津碱厂 Leakage test method for valve on oxygen pipeline extending into nozzle before driving
CN103033354A (en) * 2012-12-17 2013-04-10 济南玫德铸造有限公司 Butterfly valve hydrostatic testing machine
CN103940559A (en) * 2014-04-14 2014-07-23 石家庄新奥燃气有限公司 Leak detection device for valve
CN104406743A (en) * 2014-11-10 2015-03-11 福斯流体控制(苏州)有限公司 Valve flange sealing detection device
CN107091258A (en) * 2017-05-02 2017-08-25 湖南中财化学建材有限公司 A kind of semi-automatic ball valve hydraulic pressure device for fast detecting
CN108214347A (en) * 2017-12-28 2018-06-29 安徽荣达阀门有限公司 A kind of butterfly valve seal detection device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832846B (en) * 2010-01-26 2012-05-09 台州环天机械有限公司 Workbench for detecting air tightness of air valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520655A (en) * 1981-12-18 1985-06-04 Gordon E. Eldridge Valve testing apparatus

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359867A (en) * 2011-08-01 2012-02-22 江苏瑞泰重型机械有限公司 Functional wind tunnel testing device of self-adaptive butterfly valve
CN102359867B (en) * 2011-08-01 2013-05-22 江苏瑞泰重型机械有限公司 Functional wind tunnel testing device of self-adaptive butterfly valve
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
CN102749180A (en) * 2012-07-10 2012-10-24 丹东市蓝信电器有限公司 On-line leak rate detection device for stop valve
CN102749180B (en) * 2012-07-10 2015-12-09 丹东市蓝信电器有限公司 Stop valve leak rate online test method
CN103033321A (en) * 2012-12-12 2013-04-10 天津渤海化工有限责任公司天津碱厂 Leakage test method for valve on oxygen pipeline extending into nozzle before driving
CN103033354A (en) * 2012-12-17 2013-04-10 济南玫德铸造有限公司 Butterfly valve hydrostatic testing machine
CN103940559A (en) * 2014-04-14 2014-07-23 石家庄新奥燃气有限公司 Leak detection device for valve
CN104406743A (en) * 2014-11-10 2015-03-11 福斯流体控制(苏州)有限公司 Valve flange sealing detection device
CN107091258A (en) * 2017-05-02 2017-08-25 湖南中财化学建材有限公司 A kind of semi-automatic ball valve hydraulic pressure device for fast detecting
CN107091258B (en) * 2017-05-02 2018-11-20 湖南中财化学建材有限公司 A kind of hydraulic device for fast detecting of semi-automatic ball valve
CN108214347A (en) * 2017-12-28 2018-06-29 安徽荣达阀门有限公司 A kind of butterfly valve seal detection device

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Address after: Tianning carving village streets Sheng Cun Jiang Jia Tang 213018 Jiangsu city of Changzhou province No. 128

Patentee after: Jiangsu Ke Xin gas-fired equipment Co., Ltd

Address before: Tianning carving village streets Sheng Cun Jiang Jia Tang 213018 Jiangsu city of Changzhou province No. 128

Patentee before: Changzhou City Coshin Gas Equipment Co., Ltd.

C56 Change in the name or address of the patentee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091202

Termination date: 20170507

CF01 Termination of patent right due to non-payment of annual fee