CN104792465A - Valve detection device and method - Google Patents

Valve detection device and method Download PDF

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Publication number
CN104792465A
CN104792465A CN201410030127.8A CN201410030127A CN104792465A CN 104792465 A CN104792465 A CN 104792465A CN 201410030127 A CN201410030127 A CN 201410030127A CN 104792465 A CN104792465 A CN 104792465A
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CN
China
Prior art keywords
seal
flange
hydraulic cylinder
valve
sealing
Prior art date
Application number
CN201410030127.8A
Other languages
Chinese (zh)
Inventor
卢洪波
宋书彬
罗曦
丁晓冬
隋永峰
高峰
Original Assignee
烟台中集来福士海洋工程有限公司
海阳中集来福士海洋工程有限公司
龙口中集来福士海洋工程有限公司
中国国际海运集装箱(集团)股份有限公司
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 烟台中集来福士海洋工程有限公司, 海阳中集来福士海洋工程有限公司, 龙口中集来福士海洋工程有限公司, 中国国际海运集装箱(集团)股份有限公司 filed Critical 烟台中集来福士海洋工程有限公司
Priority to CN201410030127.8A priority Critical patent/CN104792465A/en
Publication of CN104792465A publication Critical patent/CN104792465A/en

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Abstract

The invention discloses a valve detection device and a method. The valve detection device is used for detecting a value. The valve is provided with a flange. The valve detection device is characterized by comprising a frame, a hydraulic lifting system, a pressure guiding system and a sealing piece, wherein the frame comprises a supporting bracket and fixing claws connected onto the supporting bracket in a sliding mode, and the fixing claw is used for fixing the flange; the hydraulic lifting system comprises a hydraulic cylinder arranged on the supporting bracket and an axial telescopic piece connected onto the hydraulic cylinder; the pressure guiding system comprises a pressure guiding piece and a pressure source, and the pressure guiding piece is arranged on the axial telescopic piece to be connected with the pressure source; the sealing piece is connected at the top end of the pressure guiding piece; the hydraulic cylinder is used for driving the axial telescopic piece to drive the pressure guiding piece and the sealing piece to lift/fall, and when the sealing is lifted to enable the fixing claw to clamp the flange, the sealing piece is in sealing connection with the flange, and a sealing surface is formed at the connection plate; and the pressure guiding piece is used for inputting the pressure source to the sealing surface. according to the valve detection device of the invention, the size is small, the pressure source can be changed, flange-type valves of different types can be met, and the working efficiency can be significantly improved.

Description

Valve detection device and method
Technical field
The present invention relates to a kind of pick-up unit and method, particularly a kind of valve detection device and method, for flanged valve sealing and the functional detection of safety bleeder valve and demarcation.
Background technology
Safety bleeder valve is as overpressure protection equipment; when the pressure medium in equipment, container, pipeline raises; automatically opening when exceeding setting, by preventing to discharge medium outside system equipment, container, pipeline internal medium pressure from exceeding specified value, playing a protective role.If pressure discharges not in time, equipment, container, Pipeline damage can be caused, even occur that major accident affects personal safety.Whether safety valve unlatching value is accurate, is that can the system of application safety valve an essential condition running of normal safe.
The fixing in-site modeling formula pipe detection method of general valve manufacturing enterprise, needs various bore pipeline to match, and therefore needs larger place and can not arbitrarily movement.The demand of Site Detection can not be met.Integrated form mobile valve testing platform, because of its material and itself integrated level higher, be generally fixation pressure source design (air pressure or hydraulic pressure), therefore its sensing range is also inevitable be restricted because of pressure source problem.Three, the temporary detecting device of industrial enterprise oneself welding at present, for oceanographic engineering field, in the building course of boats and ships, all to carry out applying for checking and examination and detecting before mounting safety valve, because limiting by place, cannot by some professional detection systems, some testing tools made usually by oneself by some shipyard, by safety valve by Flange joint on testing tool, because safety valve size has multiple, need often to change joint flange, cumbersome, and security is lower; In addition, some be exclusively used in detect safety pressure line, because limiting by place, be unfavorable in shipbuilding rig-site utilization.
Summary of the invention
The object of the invention is the problem needing the flange that different size changed by dismounting screw frequently to make work efficiency on the low side when solving existing application fixed measure pick-up unit, a kind of structural safety is provided, be applicable to different pressures scope, adapt to many sizes flange, safety, efficiently, the valve detection device that pressure controllable scope is large and detection method thereof.
To achieve these goals, valve detection device of the present invention, for detecting valve, described valve has flange, wherein, comprising:
Framework, comprise bracing frame and be slidably connected at the fixed claw on support frame as described above, described fixed claw is used for mounting flange;
Hydraulic lifting system, comprises the hydraulic cylinder be arranged on support frame as described above and the axial stretching part be connected on described hydraulic cylinder;
Pressure guiding system, comprises pilot part and pressure source, and described pilot part is arranged on described axial stretching part and is connected with described pressure source; And
Seal, is connected to the top of described pilot part;
Wherein, described hydraulic cylinder is for driving described axial stretching part to drive described pilot part and described seal rise/fall, and described seal rises to and to be connected with described flange seal when described fixed claw clamps described flange and to form sealing surface in junction; Described pilot part is used for input pressure and comes from described sealing surface.
Above-mentioned valve detection device, wherein, described hydraulic lifting system also comprises lifting spindle, and described axial stretching part is connected with described pilot part by described lifting spindle.
Above-mentioned valve detection device, wherein, is provided with O-ring seal and/or is provided with O-ring seal between described seal and described flange between described pilot part and described seal.
Above-mentioned valve detection device, wherein, support frame as described above comprises the first bracing frame and the second bracing frame, and described first bracing frame connects described fixed claw, and described second bracing frame fixes described hydraulic lifting system, described pilot part and described seal.
Above-mentioned valve detection device, wherein, described first bracing frame comprises annular brace and three horizontal supports, described three horizontal supports are emitting shape distribution along the excircle of described annular brace, described three horizontal supports all have chute, described fixed claw is also three, and described three fixed claws all have the draw-in groove portion suitable with described chute.
Above-mentioned valve detection device, wherein, has bearing diagonal between described adjacent horizontal support is direct.
Above-mentioned valve detection device, wherein, described second bracing frame comprises base and multiple perpendicular support, and described multiple perpendicular support is along the excircle annular arrangement of described base, and described hydraulic cylinder is positioned at space that described multiple perpendicular support surrounds and is connected on described base.
Above-mentioned valve detection device, wherein, described hydraulic lifting system also comprises hydraulic cylinder fixed head, and described hydraulic cylinder fixed head to be sleeved on described hydraulic cylinder and to be connected with described multiple perpendicular support.
The present invention also provides a kind of valve detection method for above-mentioned valve detection device, wherein, comprises the steps:
S10: by hydraulic cylinder regulating shaft to extensible member, is positioned on the upper surface of seal by the flange of valve, and slip fixed claw makes fixed claw be positioned at the top of flange;
S20: Driven by Hydraulic Cylinder axial stretching part rises, axial stretching part band lower moving guide and seal rise to fixed claw when clamping flange, and hydraulic cylinder stops; Now seal is connected with flange seal, and forms sealing surface in junction;
S30: the pressure in pilot part input pressure source is in sealing surface;
S40: detect with or without pressure source leakage by observing sealing surface.
Above-mentioned valve detection method, wherein, described pressure source is gas or liquid.
Beneficial functional of the present invention is, small volume, can move to work-yard at any time and carry out work, and can carry out the replacing of pressure source according to different operating pressure, because of the simple more convenient clean and maintenance of its package assembly.Korrosionsmedium for the particular/special requirement that may occur can make the anticorrosion parts of same size as required, and does not need integral replacing.And ensure that the security of valve examination work, greatly reduce the risk of operation with high pressure.While guarantee security, can realize being directly switch into safer hydraulic operation when pressure is higher.
Secondly, it is easy to operate, applicability is strong, can meet the functional detection of the flanged valve of different model, sealing and safety bleeder valve.Can work efficiency be significantly improved, reduce man-hour and material cost.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of valve detection device of the present invention;
Fig. 2 is the front view of valve detection device of the present invention;
Fig. 3 is the explosive view of valve detection device of the present invention.
Wherein, Reference numeral
10 frameworks
11 bracing frames
111 first bracing frames
1111 annular brace
11111 holes portion
112 second bracing frames
1112 horizontal supports
11121 chutes
1114 perpendicular supports
1115 strengthen supporting
1116 bearing diagonals
12 fixed claws
121 draw-in groove portions
1121 bases
1122 perpendicular supports
20 hydraulic lifting systems
21 hydraulic cylinders
22 lifting spindle
23 hydraulic cylinder fixed heads
30 pilot parts
40 seals
50 O-ring seals
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in detail, further to understand object of the present invention, scheme and effect, but not as the restriction of claims protection domain of the present invention.
Consult Fig. 1 and Fig. 2, valve detection device of the present invention comprises framework 10, hydraulic lifting system 20, pilot part 30 and seal 40.Wherein, framework 10 comprises bracing frame 11 and fixed claw 12, and fixed claw 12 is slidably connected on bracing frame 11; Hydraulic lifting system 20 comprises hydraulic cylinder 21; Pilot part 30 is connected on the axial stretching part of hydraulic cylinder 21; Seal 40 is connected to the top of guide 30.
Pilot part 30 is connected with a pressure source (not illustrating), the adjustable height of regulator solution cylinder pressure 21 and fixed claw 12, the flange of valve to be detected is placed between seal 40 and fixed claw 12, the axial stretching end of hydraulic cylinder 21 stretches out and drives the pilot part 30 of connection on it and seal 40 to rise, thus is fixed between seal 40 and fixed claw 12 by the flange of valve to be detected; After detection, the axial stretching part of hydraulic cylinder 21 is retracted, and the pilot part 30 that it connects and seal 40 decline simultaneously, and valve to be detected unclamps from seal 40 and fixed claw 12.
Fig. 3 is the explosive view of valve detection device of the present invention, below consults Fig. 3 and is described in detail to valve detection device of the present invention.
The bracing frame 11 of framework 10 comprises the first bracing frame 111 and the second bracing frame 112, second bracing frame is connected on the first bracing frame 111, and the first bracing frame 111 is connected and fixed pawl 12, the second bracing frame 112 fixed hydraulic jacking system 20.
Particularly, the first bracing frame 111 comprises annular brace 1111 and multiple horizontal support 1112, wherein, comprises three horizontal supports 1112 in the present embodiment with the first bracing frame 111, and fixed claw 12 is also correspondingly three and is described for example.The excircle that horizontal support 1112 annularly supports 1111 is emitting shape distribution, and preferably uniform emission shape distribution, the angle between two namely adjacent horizontal supports 1112 is 120 degree.Three horizontal supports 1112 all have chute 11121, three fixed claws 12 all have the draw-in groove portion 121 suitable with chute, the draw-in groove portion 121 of each fixed claw 12 is correspondingly arranged in the chute 11121 of each horizontal support 1112, and fixed claw 12 can slide along chute 11121 to close or deep annular brace 1111.The center of annular brace 1111 has hole portion 11111.
Further, the first bracing frame 111 also comprises multiple perpendicular support 1114, each perpendicular support 1114 be connected to correspondingly horizontal support 1112 away from the end of annular brace 1111.Wherein, perpendicular support 1114 is connected in vertical with horizontal support 1112, and is connected with reinforcement support 1115 between the perpendicular support 1114 be connected and horizontal support 1112.
Further, bearing diagonal 1116 is connected with between two adjacent horizontal supports 1112.
Second bracing frame 112 comprises base 1121 and multiple perpendicular support 1122, wherein, comprises three perpendicular supports 1122 in the present embodiment for the second bracing frame 112.Three perpendicular supports 1122 distribute in the form of a ring along the excircle of base 1121, and preferably, even annular distribution, hydraulic cylinder 21 is positioned at space that three perpendicular supports 1122 surround and is connected on base 1121.Three perpendicular supports 1122 are correspondingly connected in three horizontal supports 1112.
Further, hydraulic lifting system 20 also comprises lifting spindle 22, and the axial stretching part of hydraulic cylinder 21 is connected with pilot portion 30 by lifting spindle 22.That is, the axial stretching part of hydraulic cylinder 21 is connected with lifting spindle 22, pilot part 30 and seal 40 in turn, and stretches out from the hole portion 11111 at annular brace 1111 center of the first bracing frame 111.
Wherein, hydraulic cylinder 21 driving axial extensible member is to drive pilot part 30 and seal 40 rise/fall, seal 40 rises to and to be connected with flange seal when fixed claw 12 clamps the flange of valve to be detected and to form sealing surface in junction, import pressure by pilot part 30 and come from sealing surface, sealing and other functional detection and demarcation are carried out to valve detection device.
In order to improve sealing, between pilot part 30 and seal 40, being provided with O-ring seal 50, between seal 40 and valve to be detected, being also provided with O-ring seal 50.
O-ring seal 50 preferably adopts O type rubber seal.
Hydraulic lifting system 20 also comprises hydraulic cylinder fixed head 23, and hydraulic cylinder fixed head 23 is sleeved on hydraulic cylinder 21, and is connected with perpendicular support 1122 by hydraulic cylinder fixed head 23 by attachment screw.Hydraulic cylinder fixed head 23 enhances stability when hydraulic cylinder 21 works.
To sum up, valve detection method of the present invention, comprises the steps:
S10: by hydraulic cylinder 21 regulating shaft to extensible member, is positioned on the upper surface of seal 40 by the flange of valve, slip fixed claw 12 makes fixed claw be positioned at the top of flange;
S20: hydraulic cylinder 21 driving axial extensible member rises, axial stretching part band lower moving guide 30 and seal 40 rise to fixed claw 12 when clamping flange, and hydraulic cylinder 21 stops; Now seal 40 is connected with flange seal, and forms sealing surface in junction;
S30: the pressure in pilot part 30 input pressure source is in sealing surface;
S40: detect with or without pressure source leakage by observing sealing surface.
Pressure source is accessed by pilot part 30, wherein, selects different pressure sources according to different job requirements, thus provides detected pressures for valve.According to the difference of medium, pilot part 30 can do corresponding anticorrosion conversion, or processing unlike material spare part.
Valve detection device of the present invention utilizes bottom liquid cylinder pressure 21 to carry out pre-tightening seal to valve to be detected and sealing surface, then comes from sealing surface by the pilot port input pressure of pilot part 30, and then realizes the pressure test to valve.Its advantage be by its intuitively sealing surface can find, be very convenient to dismounting, without the need to frequently changing flange, screw dismounting that more need not be traditional because bore is different.Because of the relation of its physical construction, decrease the quantity of pressure interface to greatest extent, fully ensure that its security performance.Decrease the generation of leakage phenomenon to greatest extent.Divide because of its mechanical securement and be fully separated with pressure source, choosing of pressure source is relatively free, and can adopt air pressure under low voltage situations, replaceable under high-pressure situations is safer hydraulic pressure.
Separately there is extension function, not only can carry out the pressure test of safety-valve, pressurize test can also be carried out to valve (ball valve, butterfly valve etc.) the spool impermeability that other flanges (major part peculiar to vessel) form connects.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.

Claims (10)

1. a valve detection device, for detecting valve, described valve has flange, it is characterized in that, comprising:
Framework, comprise bracing frame and be slidably connected at the fixed claw on support frame as described above, described fixed claw is used for mounting flange;
Hydraulic lifting system, comprises the hydraulic cylinder be arranged on support frame as described above and the axial stretching part be connected on described hydraulic cylinder;
Pressure guiding system, comprises pilot part and pressure source, and described pilot part is arranged on described axial stretching part and is connected with described pressure source; And
Seal, is connected to the top of described pilot part;
Wherein, described hydraulic cylinder is for driving described axial stretching part to drive described pilot part and described seal rise/fall, and described seal rises to and to be connected with described flange seal when described fixed claw clamps described flange and to form sealing surface in junction; Described pilot part is used for input pressure and comes from described sealing surface.
2. valve detection device according to claim 1, is characterized in that, described hydraulic lifting system also comprises lifting spindle, and described axial stretching part is connected with described pilot part by described lifting spindle.
3. valve detection device according to claim 1, is characterized in that, is provided with O-ring seal and/or is provided with O-ring seal between described seal and described flange between described pilot part and described seal.
4. the valve detection device according to any one of claims 1 to 3, is characterized in that, support frame as described above comprises the first bracing frame and the second bracing frame, and described first bracing frame connects described fixed claw, and described hydraulic lifting system fixed by described second bracing frame.
5. valve detection device according to claim 4, it is characterized in that, described first bracing frame comprises annular brace and three horizontal supports, described three horizontal supports are emitting shape distribution along the excircle of described annular brace, described three horizontal supports all have chute, described fixed claw is also three, and described three fixed claws all have the draw-in groove portion suitable with described chute.
6. valve detection device according to claim 5, is characterized in that, has bearing diagonal between described adjacent horizontal support is direct.
7. valve detection device according to claim 4, it is characterized in that, described second bracing frame comprises base and multiple perpendicular support, described multiple perpendicular support is along the excircle annular arrangement of described base, and described hydraulic cylinder is positioned at space that described multiple perpendicular support surrounds and is connected on described base.
8. valve detection device according to claim 7, is characterized in that, described hydraulic lifting system also comprises hydraulic cylinder fixed head, and described hydraulic cylinder fixed head to be sleeved on described hydraulic cylinder and to be connected with described multiple perpendicular support.
9., for a valve detection method for valve detection device described in claim 1, it is characterized in that, comprise the steps:
S10: by hydraulic cylinder regulating shaft to extensible member, is positioned on the upper surface of seal by the flange of valve, and slip fixed claw makes fixed claw be positioned at the top of flange;
S20: Driven by Hydraulic Cylinder axial stretching part rises, axial stretching part band lower moving guide and seal rise to fixed claw when clamping flange, and hydraulic cylinder stops; Now seal is connected with flange seal, and forms sealing surface in junction;
S30: the pressure in pilot part input pressure source is in sealing surface;
S40: detect with or without pressure source leakage by observing sealing surface.
10. valve detection method according to claim 9, is characterized in that, described pressure source is gas or liquid.
CN201410030127.8A 2014-01-22 2014-01-22 Valve detection device and method CN104792465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201410030127.8A CN104792465A (en) 2014-01-22 2014-01-22 Valve detection device and method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078155A (en) * 2016-08-24 2016-11-09 吴忠仪表有限责任公司 Ball valve assembling table
CN106124131A (en) * 2016-08-26 2016-11-16 天津卡达克汽车高新技术公司 A kind of vehicle engine exhaust divided manifold device for detecting sealability
CN106404381A (en) * 2016-11-17 2017-02-15 广州市上腾电子科技有限公司 One-way valve pressure-displacement testing device
CN107884141A (en) * 2017-11-08 2018-04-06 浙江凯晨工贸有限公司 A kind of butterfly valve air-tightness automatic detection device
CN108087620A (en) * 2017-12-20 2018-05-29 重庆洛昂机械有限公司 For the detection device of safety-valve

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CN2811966Y (en) * 2005-07-14 2006-08-30 王春年 Fixing and sealing device for test of flange type valve
KR20070036094A (en) * 2007-02-09 2007-04-02 에스씨에스 주식회사 Safety valve test bench
CN201653662U (en) * 2010-04-23 2010-11-24 中国人民解放军沈阳军区锅炉检验所 Portable safety valve checking instrument
CN102840952A (en) * 2012-08-30 2012-12-26 福建省标光阀门科技有限公司 Pressure tester for detecting compression performance of valve
CN202770625U (en) * 2012-08-24 2013-03-06 宁波市特种设备检验研究院 Portable and intelligent detection apparatus for safety valve
CN202956251U (en) * 2012-12-20 2013-05-29 上海科峰机电机械有限公司 Clamping mechanism for safety valve testing device
CN203350028U (en) * 2013-07-16 2013-12-18 上海科峰机电机械有限公司 Clamping mechanism for safety valve calibration device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813456A (en) * 1987-12-15 1989-03-21 Emmitte Jr John P Hydraulic flange seal clamp
CN2811966Y (en) * 2005-07-14 2006-08-30 王春年 Fixing and sealing device for test of flange type valve
KR20070036094A (en) * 2007-02-09 2007-04-02 에스씨에스 주식회사 Safety valve test bench
CN201653662U (en) * 2010-04-23 2010-11-24 中国人民解放军沈阳军区锅炉检验所 Portable safety valve checking instrument
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CN202956251U (en) * 2012-12-20 2013-05-29 上海科峰机电机械有限公司 Clamping mechanism for safety valve testing device
CN203350028U (en) * 2013-07-16 2013-12-18 上海科峰机电机械有限公司 Clamping mechanism for safety valve calibration device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078155A (en) * 2016-08-24 2016-11-09 吴忠仪表有限责任公司 Ball valve assembling table
CN106124131A (en) * 2016-08-26 2016-11-16 天津卡达克汽车高新技术公司 A kind of vehicle engine exhaust divided manifold device for detecting sealability
CN106404381A (en) * 2016-11-17 2017-02-15 广州市上腾电子科技有限公司 One-way valve pressure-displacement testing device
CN106404381B (en) * 2016-11-17 2018-10-19 广州市上腾电子科技有限公司 A kind of check valve line pressure shift test device
CN107884141A (en) * 2017-11-08 2018-04-06 浙江凯晨工贸有限公司 A kind of butterfly valve air-tightness automatic detection device
CN108087620A (en) * 2017-12-20 2018-05-29 重庆洛昂机械有限公司 For the detection device of safety-valve
CN108087620B (en) * 2017-12-20 2019-03-15 重庆洛昂机械有限公司 Detection device for safety-valve

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