CN103278314B - Safety valve checkout platform - Google Patents
Safety valve checkout platform Download PDFInfo
- Publication number
- CN103278314B CN103278314B CN201310157507.3A CN201310157507A CN103278314B CN 103278314 B CN103278314 B CN 103278314B CN 201310157507 A CN201310157507 A CN 201310157507A CN 103278314 B CN103278314 B CN 103278314B
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- safety valve
- flange
- pressure strip
- safe valve
- screw thread
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Abstract
The present invention relates to safety valve checkout platform.Screw thread testing device of safety valve and flange safe valve calibration equipment are separately positioned on the left and right sides of console, screw thread testing device of safety valve comprises threaded base and screw thread safety valve joint, screw thread safety valve joint is arranged in threaded base with the form detachably changed, and screw thread safety valve joint is used for connecting thread safety valve; In flange safe valve calibration equipment, sealed chassis is arranged on the table top of flange safe valve clamping platform, and sealed chassis is provided with the O type circle for the suction flange fitted seal with flange safe valve; First pressure strip, the second pressure strip are separately positioned on sealed chassis both sides, first pressure strip and the second pressure strip are driven by pressure strip driving mechanism, in the horizontal can simultaneously in opposite directions near or oppositely away from, can VTOL (vertical take off and landing) simultaneously on vertical, to push down the suction flange of flange safe valve.The present invention is easy-to-use, function is more comprehensive, can alleviate operating personnel's working strength, increases work efficiency.
Description
Technical field
The present invention relates to safety valve testing equipment, specifically a kind of safety valve checkout platform for safety valve off-line verification.
Background technology
Safety valve off-line verification refers to pulls down safety valve from protected equipment, verifies at safety valve testing station.Safety valve checkout platform is the major equipment of off-line verification, its opening pressure adjustment for safety valve and experiments of sealing performance.
When existing safety valve checkout platform verifies safety valve, screw thread safety valve (referring to: the air intake opening of safety valve and the pipeline enclosure of protected equipment adopt thread connecting mode) and flange safe valve (referring to: the air intake opening of safety valve and the pipeline enclosure of protected equipment adopt flange connection) all use the same clamping station being positioned at the side of console.Also need operating personnel to leave console to side clamping, adjustment safety valve even if verify very little screw thread safety valve, make troubles to verification operation, and affect work efficiency.The clamping of flange safe valve adopts the clamping mode of three claws, and this clamping mode needs to be equipped with a seal block to the safety valve of different size (different inside nominal diameter), not only increases device fabrication cost, and increases difficulty to verification operation.In addition, for heavy caliber safety valve, due to Heavy Weight, manpower cannot be brought up to clamping platform, needs by forklift or crane, for the safety valve testing station not having condition to install driving, the verification of heavy caliber safety valve becomes very difficult, need safety valve could to be transported to checking table by forklift to get on to verify, then need again with forklift, safety valve to be unloaded, not only waste time and energy but also there is potential safety hazard.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of safety valve checkout platform of brand-new design is provided, its use is more convenient, function is more comprehensive, can alleviate operating personnel's working strength, increase work efficiency.
According to technical scheme provided by the invention: safety valve checkout platform, comprise console, screw thread testing device of safety valve and flange safe valve calibration equipment, it is characterized in that: described screw thread testing device of safety valve and flange safe valve calibration equipment are separately positioned on the left and right sides of console, screw thread testing device of safety valve comprises threaded base and screw thread safety valve joint, described screw thread safety valve joint is arranged in threaded base with the form detachably changed, and screw thread safety valve joint is for connecting the screw thread safety valve of needs verification; Described flange safe valve calibration equipment comprises flange safe valve clamping platform, sealed chassis, the first pressure strip, the second pressure strip and pressure strip driving mechanism, described sealed chassis is arranged on the table top of flange safe valve clamping platform, and sealed chassis is provided with the O type circle for the suction flange fitted seal with flange safe valve; Described first pressure strip, the second pressure strip are separately positioned on sealed chassis both sides, first pressure strip and the second pressure strip are driven by pressure strip driving mechanism, in the horizontal can simultaneously in opposite directions near or oppositely away from, can VTOL (vertical take off and landing) simultaneously on vertical, to push down the suction flange of flange safe valve.
As a further improvement on the present invention, described pressure strip driving mechanism comprises clamping frame, the first support, the second support, the first oil cylinder or cylinder, the second oil cylinder or cylinder, motor and positive/negative thread screw mandrel, clamping frame is fixedly mounted on bottom flange safe valve clamping platform, first support, the second support installing are on clamping frame and can transverse shifting, first oil cylinder or cylinder are arranged on the first support, connect the first pressure strip after the piston rod of the first oil cylinder or cylinder is upward through the table top of flange safe valve clamping platform; Second oil cylinder or cylinder are installed on the secondary support bracket, connect the second pressure strip after the piston rod of the second oil cylinder or cylinder is upward through the table top of flange safe valve clamping platform; Described motor is arranged on bottom flange safe valve clamping platform, and the output shaft of motor connects positive/negative thread screw mandrel, and the forward screw thread of described positive/negative thread screw mandrel one end is equipped with the first nut seat, and the first nut seat is connected with the first support; The reverse thread of the described first nut seat connection positive/negative thread screw mandrel other end is equipped with the second nut seat, and the second nut seat is connected with the second support.
As a further improvement on the present invention, described sealed chassis is provided with the O type circle of the different size arranged with one heart.
As a further improvement on the present invention, described flange safe valve calibration equipment is furnished with the boom hoisting for hoisting flange safety valve.
As a further improvement on the present invention, described boom hoisting is arranged on flange safe valve clamping 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 on axle and column top, and rotary suspension arm can 180 degree of rotations; Described column top is provided with the first pulley, the described rotary suspension arm other end is provided with the second pulley, described hoist cable one end free suspension has and hangs pawl for what pick and place flange safe valve, the hoist cable other end is walked around the second pulley successively and is connected with coiler with after the first pulley, coiler can tighten up or loosen hoist cable, thus is sling by flange safe valve or put down.
compared with prior art, advantage is in the present invention:
(1) the screw thread testing device of safety valve on the right side of console of the present invention is for verifying little, the lightweight screw thread safety valve of volume, checker need not leave console can complete the installation of screw thread safety valve, adjustment and test, make operation 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 size can be installed.
(2) the flange safe valve calibration equipment on the left of console of the present invention is for verifying flange safety valve, sealed chassis on flange safe valve checking table is provided with the O type circle of the different size arranged with one heart, the flange safe valve verification demand of various different size can be met, do not need to be equipped with to the safety valve of different size the seal request that sealing gasket can ensure the suction flange of the flange safe valve of the various different sizes be placed on table top respectively, device structure is used with operation and is all simplified.
Accompanying drawing explanation
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 safe valve clamping platform, 7-second pressure strip, 8-sealed chassis, 9-first pressure strip, 10-motor, 11-first oil cylinder or cylinder, 12-positive/negative thread screw mandrel, 13-clamping frame, 14-second oil cylinder or cylinder, 15-hang pawl, 16-hoist cable, 17-rotary suspension arm, 18-column, 19-coiler, 20-O type circle.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the safety valve checkout platform in embodiment is primarily of console 1, screw thread testing device of safety valve and flange safe valve calibration equipment three parts composition, and described screw thread testing device of safety valve and flange safe valve calibration equipment are separately positioned on the left and right sides of console 1.
As shown in Figure 1 and Figure 2, described screw thread testing device of safety valve forms primarily of threaded base 2 and screw thread safety valve joint 3, described screw thread safety valve joint 3 is arranged in threaded base 2 with the form detachably changed, and screw thread safety valve joint 3 is for connecting the screw thread safety valve of needs verification; By changing the screw thread safety valve joint 3 of different size, the screw thread safety valve of various different size can be installed.
As shown in Figure 1 and Figure 2, described flange safe valve calibration equipment forms primarily of flange safe valve clamping 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 of flange safe valve clamping platform 6, and sealed chassis 8 is provided with the O type circle 20 for the suction flange fitted seal with flange safe valve; Described first pressure strip 9, second pressure strip 7 is separately positioned on sealed chassis 8 both sides, first pressure strip 9 and the second pressure strip 7 are driven by pressure strip driving mechanism, in the horizontal can simultaneously in opposite directions near or oppositely away from, can VTOL (vertical take off and landing) simultaneously on vertical, to push down the suction flange of flange safe valve.
The structure of described pressure strip driving mechanism as shown in Figure 1, it forms primarily of clamping frame 13, first support, the second support, the first oil cylinder or cylinder 11, second oil cylinder or cylinder 14, motor 10 and positive/negative thread screw mandrel 12, clamping frame 13 is fixedly mounted on bottom flange safe valve clamping platform 6, first support, the second support installing are on clamping frame 13 and can transverse shifting, first oil cylinder or cylinder 11 are arranged on the first support, connect the first pressure strip 9 after the piston rod of the first oil cylinder or cylinder 11 is upward through the table top of flange safe valve clamping platform 6; Second oil cylinder or cylinder 14 are installed on the secondary support bracket, connect the second pressure strip 7 after the piston rod of the second oil cylinder or cylinder 14 is upward through the table top of flange safe valve clamping platform 6; Described motor 10 is arranged on bottom flange safe valve clamping platform 6, and the output shaft of motor 10 connects positive/negative thread screw mandrel 12, and the forward screw thread of described positive/negative thread screw mandrel 12 one end is equipped with the first nut seat, and the first nut seat is connected with the first support; The reverse thread of described first nut seat connection positive/negative thread screw mandrel 12 other end is equipped with the second nut seat, and the second nut seat is connected with the second support.
In the present invention, described console 1 can adopt existing conventional design, and console 1 top is provided with display screen 4, tensimeter 5 and various control knob.
Described flange safe valve calibration equipment is furnished with the boom hoisting for hoisting flange safety valve.Described boom hoisting can adopt the conventional equipment of outsourcing, embodiments provide a kind of boom hoisting as shown in Figure 1, it is arranged on flange safe valve clamping platform 6 side, primarily of 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 one end is hinged by the hinged seat on axle and column 18 top, and rotary suspension arm 17 can 180 degree of rotations; Described column 18 top is provided with the first pulley, described rotary suspension arm 17 other end is provided with the second pulley, described hoist cable 16 one end free suspension has and hangs pawl 15 for what pick and place flange safe valve, hoist cable 16 other end is walked around the second pulley successively and is connected with coiler 19 with after the first pulley, coiler 19 can tighten up or loosen hoist cable 16, thus is sling by flange safe valve or put down.
During embody rule, flange safe valve to be verified is placed in sealed chassis 8 by boom hoisting, first pressure strip 9, second pressure strip 7 upwards rises respectively under the driving of the first oil cylinder or cylinder 11, second oil cylinder or cylinder 14, then above the inlet flange inwardly sliding into flange safe valve under the drive of motor 10, then compress and apply enough snap-in forces downwards, on the corresponding O type circle 20 that the inlet flange sealing surface of safety valve is pressed in sealed chassis 8, and ensure that sealing is not revealed, can verification operation be carried out.After verification terminates, the first oil cylinder or cylinder 11, second oil cylinder or cylinder 14 drive the first pressure strip 9, second pressure strip 7 to rise, and by motor 10 drive oppositely away from, namely the flange safe valve after verification is sling by boom hoisting and is taken off.
In the present invention, screw thread testing device of safety valve on the right side of described console 1 is for verifying little, the lightweight screw thread safety valve of volume, checker need not leave console 1 can complete the installation of screw thread safety valve, adjustment and test, makes operation 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 size can be installed.
Flange safe valve calibration equipment on the left of described console 1 is for verifying flange safety valve, sealed chassis 8 on flange safe valve checking table is provided with the O type circle 20 of the different size arranged with one heart, the flange safe valve verification demand of various different size can be met, do not need to be equipped with to the safety valve of different size the seal request that sealing gasket can ensure the suction flange of the flange safe valve of the various different sizes be placed on table top respectively, device structure is used with operation and is all simplified.First pressure strip 9 and the second pressure strip 7 can simultaneously in opposite directions near or oppositely away from, to adapt to the suction flange of the flange safe valve of various different size; First oil cylinder or cylinder 11, second oil cylinder or cylinder 14 apply enough downward pressure can to the first pressure strip 9, second pressure strip 7, ensure the suction flange sealing without leakage of flange safe valve.
Simultaneously, the boom hoisting that described flange safe valve calibration equipment is equipped with is less, highly low than driving (loop wheel machine) volume, to the area in place and requirement for height much lower, and it is more more convenient to use than forklift, can the larger large-diameter flanged safety valve of hoisting weight, greatly alleviate the labour intensity of operating personnel.
Claims (4)
1. safety valve checkout platform, comprise console (1), screw thread testing device of safety valve and flange safe valve calibration equipment, it is characterized in that: described screw thread testing device of safety valve and flange safe valve calibration equipment are separately positioned on the left and right sides of console (1), screw thread testing device of safety valve comprises threaded base (2) and screw thread safety valve joint (3), described screw thread safety valve joint (3) is arranged in threaded base (2) with the form detachably changed, and screw thread safety valve joint (3) is for connecting the screw thread safety valve of needs verification; Described flange safe valve calibration equipment comprises flange safe valve clamping platform (6), sealed chassis (8), the first pressure strip (9), the second pressure strip (7) and pressure strip driving mechanism, described sealed chassis (8) is arranged on the table top of flange safe valve clamping platform (6), and sealed chassis (8) is provided with the O type circle (20) for the suction flange fitted seal with flange safe valve; Described first pressure strip (9), the second pressure strip (7) are separately positioned on sealed chassis (8) both sides, first pressure strip (9) and the second pressure strip (7) are driven by pressure strip driving mechanism, in the horizontal can simultaneously in opposite directions near or oppositely away from, can VTOL (vertical take off and landing) simultaneously on vertical, to push down the suction flange of flange safe valve;
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/negative thread screw mandrel (12), clamping frame (13) is fixedly mounted on flange safe valve clamping platform (6) bottom, first support, second support installing is upper and can transverse shifting at clamping frame (13), first oil cylinder or cylinder (11) are arranged on the first support, the first pressure strip (9) is connected after the piston rod of the first oil cylinder or cylinder (11) is upward through the table top of flange safe valve clamping platform (6), second oil cylinder or cylinder (14) are installed on the secondary support bracket, connect the second pressure strip (7) after the piston rod of the second oil cylinder or cylinder (14) is upward through the table top of flange safe valve clamping platform (6), described motor (10) is arranged on flange safe valve clamping platform (6) bottom, and the output shaft of motor (10) connects positive/negative thread screw mandrel (12), the forward screw thread of described positive/negative thread screw mandrel (12) one end is equipped with the first nut seat, and the first nut seat is connected with the first support, the reverse thread of described positive/negative thread screw mandrel (12) other end is equipped with the second nut seat, and the second nut seat is connected with the second support.
2. safety valve checkout platform as claimed in claim 1, is characterized in that: described sealed chassis (8) is provided with the O type circle (20) of the different size arranged with one heart.
3. safety valve checkout platform as claimed in claim 1, is characterized in that: described flange safe valve calibration equipment is furnished with the boom hoisting for hoisting flange safety valve.
4. safety valve checkout platform as claimed in claim 3, it is characterized in that: described boom hoisting is arranged on flange safe valve clamping 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 end is hinged by the hinged seat on axle and column (18) top, and rotary suspension arm (17) can 180 degree of rotations; Described column (18) top is provided with the first pulley, described rotary suspension arm (17) other end is provided with the second pulley, described hoist cable (16) one end free suspension has and hangs pawl (15) for what pick and place flange safe valve, hoist cable (16) other end is walked around the second pulley successively and is connected with coiler (19) with after the first pulley, coiler (19) can tighten up or loosen hoist cable (16), thus is sling by flange safe valve or put down.
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 CN103278314A (en) | 2013-09-04 |
| CN103278314B true CN103278314B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310157507.3A Expired - Fee Related CN103278314B (en) | 2013-04-28 | 2013-04-28 | Safety valve checkout platform |
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| CN (1) | CN103278314B (en) |
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|---|---|---|---|---|
| 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 |
| 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 |
| CN106644454A (en) * | 2017-03-10 | 2017-05-10 | 成都南方电子仪表有限公司 | Pressure-tight test clamping device for multi-caliber pipeline flowmeter or valve |
| CN110220695B (en) * | 2019-05-21 | 2024-09-27 | 河北省特种设备监督检验研究院 | Online checking force applying device for valve rod-free safety valve |
| CN110823558B (en) * | 2019-11-29 | 2024-07-12 | 中国石油天然气集团有限公司 | Compatible safety valve pressure inspection device and method |
| CN112611556B (en) * | 2020-12-02 | 2023-01-13 | 重庆市特种设备检测研究院 | Test bench for safety valve detection |
| CN113008546B (en) * | 2021-03-02 | 2022-05-17 | 上海化学工业检验检测有限公司 | Portable safety valve calibration equipment and calibration method |
| CN114414232A (en) * | 2022-01-18 | 2022-04-29 | 上海郑明现代物流有限公司 | Detection equipment and detection method for quality inspection of pressure valve |
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| KR100332659B1 (en) * | 1999-12-27 | 2002-04-15 | 김형국 | Seat sealing testor for satety and pressure prevention valve |
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2013
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| CN87204683U (en) * | 1987-10-12 | 1988-05-04 | 株洲硬质合金厂 | Tester for safety valve and pressure gauge |
| CN201132738Y (en) * | 2007-11-12 | 2008-10-15 | 上海市安装工程有限公司 | Acoustical barrier column tool car |
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Granted publication date: 20150812 Termination date: 20160428 |