CN103278314A - Safety valve check bench - Google Patents

Safety valve check bench Download PDF

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Publication number
CN103278314A
CN103278314A CN2013101575073A CN201310157507A CN103278314A CN 103278314 A CN103278314 A CN 103278314A CN 2013101575073 A CN2013101575073 A CN 2013101575073A CN 201310157507 A CN201310157507 A CN 201310157507A CN 103278314 A CN103278314 A CN 103278314A
Authority
CN
China
Prior art keywords
safety valve
flange
pressure strip
screw thread
cylinder
Prior art date
Application number
CN2013101575073A
Other languages
Chinese (zh)
Other versions
CN103278314B (en
Inventor
朱海清
张小林
钱瑛
王海龙
Original Assignee
江南大学
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 江南大学 filed Critical 江南大学
Priority to CN201310157507.3A priority Critical patent/CN103278314B/en
Publication of CN103278314A publication Critical patent/CN103278314A/en
Application granted granted Critical
Publication of CN103278314B publication Critical patent/CN103278314B/en

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Abstract

The invention relates to a safety valve check bench. A threaded safety valve check unit and a flanged safety valve check unit are respectively arranged by the left side and right side of a central console, the threaded safety valve check unit comprises a threaded base and a threaded safety valve connector, and the threaded safety valve connector is detachably mounted on the threaded base, and is used for connection with a threaded safety valve; in the flanged safety valve check unit, a sealed underpan is arranged on the top of a flanged safety valve-clamping table, and is provided with O-shaped rings which can be tightly matched with the inlet flange of a flanged safety valve for sealing; a first clamping plate and a second clamping plate are respectively arranged on both sides of the sealed underpan, and can be driven by a clamping plate-driving mechanism to transversely get close to each other or get away from each other at the same time and vertically goes up or down at the same time in order to hold the inlet flange of the flanged safety valve. The safety valve check bench is convenient to use, is more complete in functions, and can decrease the intensity of the work of operators and increase working efficiency.

Description

The safety valve testing platform
Technical field
The present invention relates to safety valve testing equipment, specifically a kind of safety valve testing platform for the verification of safety valve off-line.
Background technology
The verification of safety valve off-line refers to safety valve is pulled down, carried out verification at the safety valve testing station from protected equipment.The safety valve testing platform is the major equipment of off-line verification, and it is used for opening pressure adjustment and the experiments of sealing performance of safety valve.
When existing safety valve testing platform carried out verification to safety valve, screw thread safety valve (refer to: the air intake opening of safety valve and the pipeline enclosure of protected equipment adopt thread connecting mode) all used the same clamping station that is positioned at the side of console with flange safety valve (refer to: the air intake opening of safety valve and the pipeline enclosure of protected equipment adopt flange connection).Even the very little screw thread safety valve of verification also needs operating personnel to leave console to side clamping, adjustment safety valve, make troubles to verification operation, and influence work efficiency.The clamping mode of three claws is adopted in the clamping of flange safety valve, and this clamping mode need be equipped with a seal block to the safety valve of different size (different inside nominal diameter), has not only increased the device fabrication cost, and has increased difficulty to verification operation.In addition, for the heavy caliber safety valve, because Heavy Weight, manpower can't be brought up to it clamping platform, need be by forklift or crane, for there not being condition that the safety valve testing station of driving is installed, it is very difficult that the verification of heavy caliber safety valve becomes, need safety valve could be transported to checking table by forklift and get on to carry out verification, need again then with forklift safety valve to be unloaded, not only waste time and energy but also have potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of safety valve testing platform of brand-new design is provided, its use is more convenient, function is comprehensive more, can alleviate operating personnel's working strength, increases work efficiency.
According to technical scheme provided by the invention: the safety valve testing platform, comprise console, screw thread safety valve testing device and flange safety valve testing device, it is characterized in that: described screw thread safety valve testing device and flange safety valve testing device are separately positioned on the left and right sides of console, screw thread safety valve testing device comprises threaded base and screw thread safety valve joint, described screw thread safety valve joint is installed on the threaded base with the form of detachable replacing, and screw thread safety valve joint is used for connecting the screw thread safety valve that needs verification; Described flange safety valve testing device comprises that the flange safety valve clamps platform, sealed chassis, first pressure strip, second pressure strip and pressure strip driving mechanism, described sealed chassis is arranged on the table top that the flange safety valve clamps platform, sealed chassis be provided with for the O type circle of the suction flange fitted seal of flange safety valve; Described first pressure strip, second pressure strip are separately positioned on the sealed chassis both sides, first pressure strip and second pressure strip drive by the pressure strip driving mechanism, in the horizontal can be simultaneously in opposite directions near or oppositely away from, VTOL (vertical take off and landing) simultaneously on vertical is to push down the suction flange of flange safety valve.
As a further improvement on the present invention, described pressure strip driving mechanism comprises clamping frame, first support, second support, first oil cylinder or cylinder, second oil cylinder or cylinder, motor and positive and negative threaded screw rod, clamping frame is fixedly mounted on the flange safety valve and clamps the platform bottom, first support, second support are installed on the clamping frame and can laterally move, first oil cylinder or cylinder are installed on first support, and the piston rod of first oil cylinder or cylinder connects first pressure strip after being upward through the table top that the flange safety valve clamps platform; Second oil cylinder or cylinder are installed on second support, and the piston rod of second oil cylinder or cylinder connects second pressure strip after being upward through the table top that the flange safety valve clamps platform; Described motor is installed in the flange safety valve and clamps the platform bottom, and the output shaft of motor connects positive and negative threaded screw rod, is equipped with first nut seat on the forward screw thread of described positive and negative threaded screw rod one end, and first nut seat is connected with first support; Described first nut seat connects on the reverse thread of the positive and negative threaded screw rod other end and is equipped with second nut seat, and second nut seat is connected with second support.
As a further improvement on the present invention, described sealed chassis is provided with the O type circle of the different size of concentric setting.
As a further improvement on the present invention, described flange safety valve testing device is furnished with the boom hoisting for lifting flange safety valve.
As a further improvement on the present invention, described boom hoisting is arranged on the flange safety valve and clamps the platform side, boom hoisting comprises column, rotary suspension arm, hoist cable, coiler and hangs pawl, described rotary suspension arm is horizontally disposed, rotary suspension arm one end is hinged by the hinged seat of axle with the column top, and rotary suspension arm can rotate by 180 degree; Described column top is equipped with first pulley, the described rotary suspension arm other end is equipped with second pulley, described hoist cable one end freely is hung be used to the pawl that hangs that picks and places the flange safety valve, the hoist cable other end is connected with coiler after walking around second pulley and first pulley successively, coiler can tighten up or loosen hoist cable, thereby the flange safety valve is sling or is put down.
The present invention compared with prior art, advantage is:
(1) the screw thread safety valve testing device on console of the present invention right side is used for little, the lightweight screw thread safety valve of verification volume, the checker need not leave console can finish the installation of screw thread safety valve, adjustment and test, make and operate hommization more, and can increase work efficiency.By changing the screw thread safety valve joint of different size, the screw thread safety valve of various different sizes can be installed.
(2) the flange safety valve testing device on the left of the console of the present invention is used for verification flange safety valve, sealed chassis on the flange safety valve testing platform is provided with the O type circle of the different size of concentric setting, can satisfy the flange safety valve testing demand of various different sizes, do not need safety valve to different size to be equipped with the seal request of suction flange that sealing gasket can guarantee to be placed on the flange safety valve of the various different sizes on the table top respectively, device structure is used with operation all be simplified.
Description of drawings
Fig. 1 is structural front view of the present invention.
Fig. 2 is structure vertical view of the present invention.
Description of reference numerals: 1-console, 2-threaded base, 3-screw thread safety valve joint, 4-display screen, 5-tensimeter, 6-flange safety valve clamp platform, 7-second pressure strip, 8-sealed chassis, 9-first pressure strip, 10-motor, 11-first oil cylinder or cylinder, the positive and negative threaded screw rod of 12-, 13-clamping frame, 14-second oil cylinder or cylinder, 15-hangs pawl, 16-hoist cable, 17-rotary suspension arm, 18-column, 19-coiler, 20-O type circle.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: the safety valve testing platform among the embodiment mainly is made up of console 1, screw thread safety valve testing device and flange safety valve testing device three parts, and described screw thread safety valve testing device and flange safety valve testing device are separately positioned on the left and right sides of console 1.
As shown in Figure 1 and Figure 2, described screw thread safety valve testing device mainly is made up of threaded base 2 and screw thread safety valve joint 3, described screw thread safety valve joint 3 is installed on the threaded base 2 with the form of detachable replacing, and screw thread safety valve joint 3 is used for connecting the screw thread safety valve that needs verification; By changing the screw thread safety valve joint 3 of different size, the screw thread safety valve of various different sizes can be installed.
As shown in Figure 1 and Figure 2, described flange safety valve testing device mainly clamps platform 6, sealed chassis 8, first pressure strip 9, second pressure strip 7 and pressure strip driving mechanism by the flange safety valve and forms, described sealed chassis 8 is arranged on the table top that the flange safety valve clamps platform 6, sealed chassis 8 be provided with for the O type circle 20 of the suction flange fitted seal of flange safety valve; Described first pressure strip 9, second pressure strip 7 are separately positioned on sealed chassis 8 both sides, first pressure strip 9 and second pressure strip 7 drive by the pressure strip driving mechanism, in the horizontal can be simultaneously in opposite directions near or oppositely away from, VTOL (vertical take off and landing) simultaneously on vertical is to push down the suction flange of flange safety valve.
The structure of described pressure strip driving mechanism as shown in Figure 1, it mainly is made up of clamping frame 13, first support, second support, first oil cylinder or cylinder 11, second oil cylinder or cylinder 14, motor 10 and positive and negative threaded screw rod 12, clamping frame 13 is fixedly mounted on the flange safety valve and clamps platform 6 bottoms, first support, second support are installed on the clamping frame 13 and can laterally move, first oil cylinder or cylinder 11 are installed on first support, and the piston rod of first oil cylinder or cylinder 11 connects first pressure strip 9 after being upward through the table top that the flange safety valve clamps platform 6; Second oil cylinder or cylinder 14 are installed on second support, and the piston rod of second oil cylinder or cylinder 14 connects second pressure strip 7 after being upward through the table top that the flange safety valve clamps platform 6; Described motor 10 is installed in the flange safety valve and clamps platform 6 bottoms, and the output shaft of motor 10 connects positive and negative threaded screw rod 12, is equipped with first nut seat on the forward screw thread of described positive and negative threaded screw rod 12 1 ends, and first nut seat is connected with first support; Described first nut seat connects on the reverse thread of positive and negative threaded screw rod 12 other ends and is equipped with second nut seat, and second nut seat is connected with second support.
Among the present invention, described console 1 can adopt the existing conventional design, and console 1 top is provided with display screen 4, tensimeter 5 and various control knob.
Described flange safety valve testing device is furnished with the boom hoisting for lifting flange safety valve.Described boom hoisting can adopt the conventional equipment of outsourcing, the embodiment of the invention provides a kind of boom hoisting as shown in Figure 1, it is arranged on the flange safety valve and clamps platform 6 sides, mainly by column 18, rotary suspension arm 17, hoist cable 16, coiler 19 with hang pawl 15 and form, described rotary suspension arm 17 is horizontally disposed, rotary suspension arm 17 1 ends are hinged by the hinged seat of axle with column 18 tops, and rotary suspension arm 17 can rotate by 180 degree; Described column 18 tops are equipped with first pulley, described rotary suspension arm 17 other ends are equipped with second pulley, described hoist cable 16 1 ends freely are hung be used to what pick and place the flange safety valve and hang pawl 15, hoist cable 16 other ends are connected with coiler 19 after walking around second pulley and first pulley successively, coiler 19 can tighten up or loosen hoist cable 16, thereby the flange safety valve is sling or is put down.
During concrete the application, flange safety valve to be verified is placed on the sealed chassis 8 by boom hoisting, first pressure strip 9, second pressure strip 7 upwards rise under the driving of first oil cylinder or cylinder 11, second oil cylinder or cylinder 14 respectively, then above the inlet flange that inwardly slides into the flange safety valve under the drive of motor 10, compress and apply enough snap-in forces then downwards, the inlet flange sealing surface of safety valve is pressed on the corresponding O type circle 20 on the sealed chassis 8, and guarantee that sealing do not reveal, can carry out verification operation.After verification finished, first oil cylinder or cylinder 11, second oil cylinder or cylinder 14 drove first pressure strip 9, second pressure strip 7 rises, and by motor 10 drive oppositely away from, the flange safety valve after the verification can be sling by boom hoisting and take off.
Among the present invention, the screw thread safety valve testing device on described console 1 right side is used for little, the lightweight screw thread safety valve of verification volume, the checker need not leave console 1 can finish the installation of screw thread safety valve, adjustment and test, makes to operate hommization more, and can increase work efficiency.By changing the screw thread safety valve joint 3 of different size, the screw thread safety valve of various different sizes can be installed.
The flange safety valve testing device in described console 1 left side is used for verification flange safety valve, sealed chassis 8 on the flange safety valve testing platform is provided with the O type circle 20 of the different size of concentric setting, can satisfy the flange safety valve testing demand of various different sizes, do not need safety valve to different size to be equipped with the seal request of suction flange that sealing gasket can guarantee to be placed on the flange safety valve of the various different sizes on the table top respectively, device structure is used with operation all be simplified.First pressure strip 9 and second pressure strip 7 can be simultaneously in opposite directions near or oppositely away from, with the suction flange of the flange safety valve that adapts to various different sizes; First oil cylinder or cylinder 11, second oil cylinder or cylinder 14 apply enough downward pressure can for first pressure strip 9, second pressure strip 7, guarantee the suction flange sealing without leakage of flange safety valve.
Simultaneously, the boom hoisting that described flange safety valve testing device is equipped with is littler, highly low than driving (loop wheel machine) volume, area and requirement for height to the place are much lower, and it is more more convenient to use than forklift, can the bigger large-diameter flanged safety valve of hoisting weight, alleviate labor intensity of operating personnel greatly.

Claims (5)

1. safety valve testing platform, comprise console (1), screw thread safety valve testing device and flange safety valve testing device, it is characterized in that: described screw thread safety valve testing device and flange safety valve testing device are separately positioned on the left and right sides of console (1), screw thread safety valve testing device comprises threaded base (2) and screw thread safety valve joint (3), described screw thread safety valve joint (3) is installed on the threaded base (2) with the form of detachable replacing, and screw thread safety valve joint (3) is used for connecting the screw thread safety valve that needs verification; Described flange safety valve testing device comprises that the flange safety valve clamps platform (6), sealed chassis (8), first pressure strip (9), second pressure strip (7) and pressure strip driving mechanism, described sealed chassis (8) is arranged on the table top that the flange safety valve clamps platform (6), sealed chassis (8) be provided with for the O type circle (20) of the suction flange fitted seal of flange safety valve; Described first pressure strip (9), second pressure strip (7) are separately positioned on sealed chassis (8) both sides, first pressure strip (9) and second pressure strip (7) drive by the pressure strip driving mechanism, in the horizontal can be simultaneously in opposite directions near or oppositely away from, VTOL (vertical take off and landing) simultaneously on vertical is to push down the suction flange of flange safety valve.
2. safety valve testing platform as claimed in claim 1, it is characterized in that: described pressure strip driving mechanism comprises clamping frame (13), first support, second support, first oil cylinder or cylinder (11), second oil cylinder or cylinder (14), motor (10) and positive and negative threaded screw rod (12), clamping frame (13) is fixedly mounted on the flange safety valve and clamps platform (6) bottom, first support, second support is installed in clamping frame (13) and goes up and can laterally move, first oil cylinder or cylinder (11) are installed on first support, and the piston rod of first oil cylinder or cylinder (11) connects first pressure strip (9) after being upward through the table top that the flange safety valve clamps platform (6); Second oil cylinder or cylinder (14) are installed on second support, and the piston rod of second oil cylinder or cylinder (14) connects second pressure strip (7) after being upward through the table top that the flange safety valve clamps platform (6); Described motor (10) is installed in the flange safety valve and clamps platform (6) bottom, the output shaft of motor (10) connects positive and negative threaded screw rod (12), be equipped with first nut seat on the forward screw thread of described positive and negative threaded screw rod (12) one ends, first nut seat is connected with first support; Described first nut seat connects on the reverse thread of positive and negative threaded screw rod (12) other end and is equipped with second nut seat, and second nut seat is connected with second support.
3. safety valve testing platform as claimed in claim 1, it is characterized in that: described sealed chassis (8) is provided with the O type circle (20) of the different size of concentric setting.
4. safety valve testing platform as claimed in claim 1 is characterized in that: described flange safety valve testing device is furnished with the boom hoisting for lifting flange safety valve.
5. safety valve testing platform as claimed in claim 4, it is characterized in that: described boom hoisting is arranged on the flange safety valve and clamps platform (6) side, boom hoisting comprises column (18), rotary suspension arm (17), hoist cable (16), coiler (19) and hangs pawl (15), described rotary suspension arm (17) is horizontally disposed, rotary suspension arm (17) one ends are hinged by the hinged seat of axle with column (18) top, and rotary suspension arm (17) can rotate by 180 degree; Described column (18) top is equipped with first pulley, described rotary suspension arm (17) other end is equipped with second pulley, described hoist cable (16) one ends freely are hung be used to what pick and place the flange safety valve and hang pawl (15), hoist cable (16) other end is connected with coiler (19) after walking around second pulley and first pulley successively, coiler (19) can tighten up or loosen hoist cable (16), thereby the flange safety valve is sling or is put down.
CN201310157507.3A 2013-04-28 2013-04-28 Safety valve checkout platform CN103278314B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310157507.3A CN103278314B (en) 2013-04-28 2013-04-28 Safety valve checkout platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310157507.3A CN103278314B (en) 2013-04-28 2013-04-28 Safety valve checkout platform

Publications (2)

Publication Number Publication Date
CN103278314A true CN103278314A (en) 2013-09-04
CN103278314B CN103278314B (en) 2015-08-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512744A (en) * 2013-10-11 2014-01-15 江南大学 Safety protecting and hoisting device of safety valve calibration console
CN103674436A (en) * 2013-12-09 2014-03-26 江南大学 Safety valve installation device of inspection bench
CN103822776A (en) * 2014-02-21 2014-05-28 杭州市特种设备检测研究院 Lever type online safety valve checking device
CN104843611A (en) * 2015-05-25 2015-08-19 江南大学 Positioning unit for carrying and lifting safety valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1315446A (en) * 1971-04-28 1973-05-02 Atomic Energy Authority Uk Safety valve testing apparatus
CN87204683U (en) * 1987-10-12 1988-05-04 株洲硬质合金厂 Tester for safety valve and pressure gauge
KR100332659B1 (en) * 1999-12-27 2002-04-15 김형국 Seat sealing testor for satety and pressure prevention valve
CN201132738Y (en) * 2007-11-12 2008-10-15 上海市安装工程有限公司 Acoustical barrier column tool car
CN201535711U (en) * 2009-12-21 2010-07-28 南通中远船务工程有限公司 Safety valve test bench
CN202582891U (en) * 2012-05-19 2012-12-05 齐齐哈尔四达铁路设备有限责任公司 Testing stand of breathing-type safety valve of railway tank car
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1315446A (en) * 1971-04-28 1973-05-02 Atomic Energy Authority Uk Safety valve testing apparatus
CN87204683U (en) * 1987-10-12 1988-05-04 株洲硬质合金厂 Tester for safety valve and pressure gauge
KR100332659B1 (en) * 1999-12-27 2002-04-15 김형국 Seat sealing testor for satety and pressure prevention valve
CN201132738Y (en) * 2007-11-12 2008-10-15 上海市安装工程有限公司 Acoustical barrier column tool car
CN201535711U (en) * 2009-12-21 2010-07-28 南通中远船务工程有限公司 Safety valve test bench
CN202582891U (en) * 2012-05-19 2012-12-05 齐齐哈尔四达铁路设备有限责任公司 Testing stand of breathing-type safety valve of railway tank car
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
费铭: ""安全阀校验台"", 《工业仪表与自动化装置》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512744A (en) * 2013-10-11 2014-01-15 江南大学 Safety protecting and hoisting device of safety valve calibration console
CN103512744B (en) * 2013-10-11 2015-12-02 江南大学 Safety valve checkout platform security protection and hanging apparatus
CN103674436A (en) * 2013-12-09 2014-03-26 江南大学 Safety valve installation device of inspection bench
CN103822776A (en) * 2014-02-21 2014-05-28 杭州市特种设备检测研究院 Lever type online safety valve checking device
CN103822776B (en) * 2014-02-21 2016-02-17 杭州市特种设备检测研究院 Lever safety on line valve calibration equipment
CN104843611A (en) * 2015-05-25 2015-08-19 江南大学 Positioning unit for carrying and lifting safety valve

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