CN202814695U - Safety valve online detection device - Google Patents

Safety valve online detection device Download PDF

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Publication number
CN202814695U
CN202814695U CN201220448382.0U CN201220448382U CN202814695U CN 202814695 U CN202814695 U CN 202814695U CN 201220448382 U CN201220448382 U CN 201220448382U CN 202814695 U CN202814695 U CN 202814695U
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China
Prior art keywords
hydraulic
hydraulic oil
safety valve
oil pump
valve
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Expired - Lifetime
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CN201220448382.0U
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Chinese (zh)
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李治涛
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Individual
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Individual
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Abstract

The utility model provides a safety valve online detection device, comprising a mechanical clamping device, a hydraulic device, and a host machine. The hydraulic device comprises a hydraulic oil pump, a hydraulic oil pipe, and a hydraulic ram. A force sensor is disposed on an upper part of the hydraulic ram. A central connecting rod of the mechanical clamping device connects the central connecting rod, the force sensor, the hydraulic ram, a connecting nut, a valve rod, a valve seat, and a locking chuck into an integrated one from top down. The host machine comprises a data processing unit and a host machine panel. The data processing unit is connected with the force sensor through a sensor information interface. A spacing force-off locking spanner is disposed on top of the mechanical clamping device. The safety valve online detection device uses hydraulic pressure as a lifting force. Detected information of changes of the lifting force is transmitted to the host machine through the sensor, and the host machine analyzes the detected information, and performs data processing and storage. The safety valve online detection device enables improvement of adaptability of the safety valve, and improves safety of safety valve verification operation and eliminates potential safety hazard.

Description

A kind of safety valve on-line measuring device
Technical field
The utility model belongs to safety valve and blowdown valve field, is specifically related to the safety valve on-line measuring device in a kind of continuous flow procedure.
Background technology
Safety valve carries out on-line monitoring, is the specialized technology that new development is got up in safety valve and blowdown valve field, so far the history in existing more than ten years.Owing to detect online and the opening pressure timer of the safety valve of adjusting need not stop, produce and as usual carry out, therefore, this technology is once the great interest that causes immediately in the field of business occurring, and is especially more attractive to modernized quantity-produced process industries such as petrochemical industry, electric power, chemical industry.
Existing on-line measuring device adopts the tandem oil cylinder, when the larger safety valve of lifting force is detected, safety valve is not played the function of spacing and strong pass, can't limit the hoisting depth of center rod, when the safety valve kick, also can't carry out hard closing, the poor stability when therefore detecting.In addition, the hydraulic part of prior art is to be promoted by hand oil pump and the larger energy storage equipment of volume, more complicated in practical operation, and the staff who is not suitable for work high above the ground uses.
The utility model content
Poor stability when having detection in order to overcome existing safety valve on-line measuring device, the deficiency of complicated operation, the purpose of this utility model is: a kind of safety valve on-line measuring device is provided, this device can improve the relevance grade of safety valve, strengthen the security of safety valve testing work, eliminate safe hidden trouble.And install more intelligent, simplification, flexible operation, convenient and swift, efficient.
The technical scheme that its technical matters that solves the utility model adopts is as follows:
A kind of safety valve on-line measuring device, it comprises mechanical gripping means, hydraulic means and main frame; Described hydraulic means comprises hydraulic oil pump, hydraulic oil pipe and hydraulic jack, and hydraulic oil pump is built in main frame inside, and hydraulic jack is located at the top of safety valve valve rod; At the hydraulic jack upper level power sensor is set; Described mechanical gripping means comprises the locking chuck, attaching nut and center rod, the locking chuck is fixed on the valve body of safety valve, the attaching nut is located between valve rod top and the hydraulic jack, the external thread of center rod passes the center pit of power sensor and hydraulic jack from top to down, be threaded with the attaching nut, center rod, power sensor, hydraulic jack, attaching nut, valve rod, valve seat, locking chuck are connected into an integral body; Described main frame comprises data processing unit and host panel, places the data processing unit in the mainframe box to link to each other with the power sensor by the sensor information interface on the host panel; Hydraulic oil pump in the hydraulic means also places in the mainframe box, this hydraulic oil pump is controlled its opening and closing by the hydraulic oil pump motor operated switch on the host panel, tubing interface on the host panel and an end of the hydraulic oil pipe in the hydraulic means join, and the other end of hydraulic oil pipe links to each other with hydraulic jack.
Fixedly mount a spacing strong pass frame by rotation draw-in groove mode on described locking chuck, mounting limit closes by force-locking wrench in the screw in the middle of the frame top, spacing strong pass, and this spacing strong pass-locking wrench is threaded with spacing strong pass frame.
Described hydraulic oil pump is the miniature electric hydraulic oil pump, and hydraulic oil pump output oil mass size is controlled by the hydraulic oil pump motor operated switch.Also be provided with micro hydraulic oil pump compression relief cock on the host panel.
Principle of work of the present utility model is: the utility model comprises mechanical gripping means, hydraulic means and main frame, wherein the hydraulic jack effect is to promote detected safety valve, the size of lifting force is by power sensor continuous acquisition and be transferred to main frame, the sensor information line is connected the power sensor with main frame upper sensor information wire interface, main frame is by size and the participation calculating of power sensor real time record lifting force, the strong spanner that closes can limit the center rod hoisting depth by spacing strong pass frame, and when the safety valve kick, the closed safe valve increases security and the usable range of using effectively by force.The power of hydraulic jack is provided by the built-in miniature electric hydraulic oil pump of main frame, the size of the output oil mass of hydraulic oil pump is controlled by the motor operated switch of hydraulic oil pump, when reaching the safety valve unlatching, hydraulic oil pump comes pressure release by micro hydraulic oil pump compression relief cock, so that the hydraulic oil in the hydraulic jack turns back in the miniature electric hydraulic oil pump, when the process of safety valve measurement is finished, again safety valve is adjusted, and re-started next time measurement.
Owing to adopt technique scheme, make the utility model compared with prior art, have following beneficial effect:
1. the utility model does not affect operating mode and normally moves for the operating mode detection of can not stopping.And existing other technologies need in the situation that operating mode is stopped safety valve to be dismantled detection.
2. the utility model structure strengthens than the sensing range of prior art, increases for safety valve bore scope.Prior art can only be applicable to lifting force safety valve within the specific limits and detect.
3. the utility model structure is provided with spacing strong pass-locking wrench, makes it to have spacing strong pass function, and the security when having strengthened detection than prior art is for existing workmen provides safety guarantee and emergency processing mode.
4. the utility model information that sensor is recorded passes to main frame analysis, data are processed and storage, and is more intelligent than prior art, oversimplify, and main frame built-in miniature electro-hydraulic system is more flexible, convenient, fast, efficient than existing hand-hydraulic system.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of a kind of safety valve on-line measuring device of the utility model.
Fig. 2 is the host panel synoptic diagram among Fig. 1.
Among the figure, 1. spacing strong pass-locking wrench, 2. spacing strong pass frame, 3. center rod, 4. screw jack, 5. power sensor, 6. hydraulic jack, 7. cushion block, 8. attaching nut, 9. valve rod, 10. valve seat, 11. locking chucks, 12. tubing interface, 13. micro hydraulic oil pump compression relief cocks, 14. hydraulic oil pump motor operated switches, 15. master switch, 16. sensor information line interfaces, 17. charging indicator lights, 18. earphone jack, 19. display screens, 20. host panels.
Embodiment
Figure 1 shows that an embodiment of the utility model safety valve on-line measuring device, this safety valve on-line measuring device comprises mechanical gripping means, hydraulic means and main frame.Hydraulic means comprises hydraulic oil pump, hydraulic oil pipe and hydraulic jack 6, hydraulic oil pump is built in the mainframe box, and hydraulic jack 6 is located at the top of safety valve valve rod 9, at hydraulic jack 6 upper levels a power sensor 5 is set, in hydraulic jack 6, inbuilt displacement sensor.Mechanical gripping means comprises locking chuck 11, attaching nut 8 and center rod 3, locking chuck 11 is fixed on the valve body of safety valve, attaching nut 8 is located between valve rod 9 tops and the hydraulic jack 6, at attaching nut's 8 outer suit one cushion blocks 7, at power sensor 5 tops screw jack 4 is set, the external thread of center rod 3 passes screw jack 4 centers from the top down, the center pit of power sensor 5 and hydraulic jack 6, be threaded with attaching nut 8, with center rod 3, screw jack 4, power sensor 5, hydraulic jack 6, cushion block 7, the attaching nut 8, valve rod 9, valve seat 10, locking chuck 11 connects into an integral body.Mode by the rotation draw-in groove on locking chuck 11 fixedly mounts a spacing strong pass frame 2, and mounting limit closes by force-locking wrench 1 in the screw in the middle of the top of spacing strong pass frame 2, and this spacing strong pass-locking wrench 1 is threaded with spacing strong pass frame 2.Spacing strong pass-locking wrench 1 limits by the stroke that rotates up and down center rod 3 of screw thread, when the safety valve kick, carries out hard closing.
Main frame in the utility model safety valve on-line measuring device comprises data processing unit and host panel 20, this data processing unit links to each other by the displacement transducer of the sensor information interface 16 on the host panel shown in Figure 2 20 with power sensor 5 and built-in what hydraulic jack 6, and the change information of the safety valve lifting force that records is passed to main frame.Hydraulic oil pump in the hydraulic means also places in the mainframe box, and this hydraulic oil pump is by hydraulic oil pump motor operated switch 14 its opening and closing of control on the host panel 20.Hydraulic oil pump is the miniature electric hydraulic oil pump, and this hydraulic oil pump output oil mass size is by 14 controls of hydraulic oil pump motor operated switch.Tubing interface 12 on the host panel 20 joins with an end of hydraulic oil pipe, and the other end of hydraulic oil pipe links to each other with hydraulic jack 6.Also be provided with micro hydraulic oil pump compression relief cock 13 on the host panel 20, when safety valve was opened, hydraulic oil pump came pressure release by this micro hydraulic oil pump compression relief cock 13, and the hydraulic oil in the hydraulic jack is turned back in the miniature electric hydraulic oil pump.Also be provided with master switch 15, charging indicator light 17, earphone jack 18 and display screen 19 on the host panel 20.
Host panel 20 in the utility model is installed on the cabinet, and data processing unit and hydraulic oil pump are built in respectively the casing both sides, and the electronic section of data processing unit places the panel bottom, and hydraulic oil pump places cabinet inside and panel bottom.Data processing unit in the utility model is processed by measured data analysis, data and the technology of data storage is prior art.
The utility model is the portable on-line detector device that various spring safety valves in the boilers and pressure vessel field, blowdown valve opening pressure detect.

Claims (6)

1. safety valve on-line measuring device, it is characterized in that: described safety valve on-line measuring device comprises mechanical gripping means, hydraulic means and main frame; Described hydraulic means comprises hydraulic oil pump, hydraulic oil pipe and hydraulic jack (6), and hydraulic oil pump is built in main frame inside, and hydraulic jack (6) is located at the top of safety valve valve rod (9); At hydraulic jack (6) upper level a power sensor (5) is set; Described mechanical gripping means comprises locking chuck (11), attaching nut (8) and center rod (3), locking chuck (11) is fixed on the valve body of safety valve, attaching nut (8) is located between valve rod (9) top and the hydraulic jack (6), the external thread of center rod (3) passes the center pit of power sensor (5) and hydraulic jack (6) from top to down, be threaded with attaching nut (8), with center rod (3), power sensor (5), hydraulic jack (6), attaching nut (8), valve rod (9), valve seat (10), locking chuck (11) connects into an integral body; Described main frame comprises data processing unit and host panel, places the data processing unit in the mainframe box to link to each other with power sensor (5) by the sensor information interface (16) on the host panel (20); Hydraulic oil pump in the hydraulic means also places in the mainframe box, this hydraulic oil pump is controlled its opening and closing by the hydraulic oil pump motor operated switch (14) on the host panel (20), one end of the hydraulic oil pipe in the tubing interface (12) on the host panel (20) and the hydraulic means joins, and the other end of hydraulic oil pipe links to each other with hydraulic jack (6).
2. safety valve on-line measuring device according to claim 1, it is characterized in that: upward fixedly mount a spacing strong pass frame (2) by rotation draw-in groove mode at described locking chuck (11), mounting limit closes by force-locking wrench (1) in the screw in the middle of spacing strong pass frame (2) top, and this spacing strong pass-locking wrench (1) is threaded with spacing strong pass frame (2).
3. safety valve on-line measuring device according to claim 1 is characterized in that: in described hydraulic jack (6), and inbuilt displacement sensor.
4. safety valve on-line measuring device according to claim 1, it is characterized in that: described host panel (20) is installed on the cabinet; Described data processing unit and hydraulic oil pump are built in respectively both sides in the case box, and the part of the electronics of data processing unit places the panel bottom, and hydraulic oil pump places cabinet inside and panel bottom.
5. safety valve on-line measuring device according to claim 1, it is characterized in that: suit one cushion block (7) outside described attaching nut (8), at power sensor (5) top screw jack (4) is set, center rod (3) wears and by screw jack (4) center.
6. safety valve on-line measuring device according to claim 1, it is characterized in that: described hydraulic oil pump is the miniature electric hydraulic oil pump, hydraulic oil pump output oil mass size is controlled by hydraulic oil pump motor operated switch (14); Also be provided with micro hydraulic oil pump compression relief cock (13) on the host panel (20).
CN201220448382.0U 2012-09-04 2012-09-04 Safety valve online detection device Expired - Lifetime CN202814695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220448382.0U CN202814695U (en) 2012-09-04 2012-09-04 Safety valve online detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220448382.0U CN202814695U (en) 2012-09-04 2012-09-04 Safety valve online detection device

Publications (1)

Publication Number Publication Date
CN202814695U true CN202814695U (en) 2013-03-20

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383302A (en) * 2013-06-05 2013-11-06 常州大学 Online testing and adjusting device for set pressure of direct-operated relief valve
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
CN104458235A (en) * 2014-12-08 2015-03-25 江南大学 Mechanical arm for safety valve adjustment
CN104729834A (en) * 2013-12-19 2015-06-24 珠海格力电器股份有限公司 Safety valve service life testing system and method
CN104807628A (en) * 2015-05-08 2015-07-29 秦爱云 Detection device for sprayer production
CN105067233A (en) * 2015-07-16 2015-11-18 李治涛 Online testing device for safety valve and online testing method thereof
CN105698728A (en) * 2016-03-31 2016-06-22 合肥通用机械研究院 Safety valve detecting tool
CN106625320A (en) * 2016-11-10 2017-05-10 安徽皖拓自动化有限公司 Safety valve online detection auxiliary fixture and use method thereof
CN110967179A (en) * 2018-09-30 2020-04-07 上海汽车集团股份有限公司 Electromagnetic valve performance testing device, system and method and judgment method
CN112345232A (en) * 2020-10-30 2021-02-09 湖北特种设备检验检测研究院 Online checking device capable of being provided with built-in safety valve and using method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383302A (en) * 2013-06-05 2013-11-06 常州大学 Online testing and adjusting device for set pressure of direct-operated relief valve
CN104729834A (en) * 2013-12-19 2015-06-24 珠海格力电器股份有限公司 Safety valve service life testing system and method
CN104729834B (en) * 2013-12-19 2017-06-20 珠海格力电器股份有限公司 Safety valve life-span test system and method
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
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
CN104458235A (en) * 2014-12-08 2015-03-25 江南大学 Mechanical arm for safety valve adjustment
CN104458235B (en) * 2014-12-08 2017-02-01 江南大学 Mechanical arm for safety valve adjustment
CN104807628A (en) * 2015-05-08 2015-07-29 秦爱云 Detection device for sprayer production
CN105067233A (en) * 2015-07-16 2015-11-18 李治涛 Online testing device for safety valve and online testing method thereof
CN105698728A (en) * 2016-03-31 2016-06-22 合肥通用机械研究院 Safety valve detecting tool
CN105698728B (en) * 2016-03-31 2016-12-21 合肥通用机械研究院 A kind of relief valve detecting tool
CN106625320A (en) * 2016-11-10 2017-05-10 安徽皖拓自动化有限公司 Safety valve online detection auxiliary fixture and use method thereof
CN110967179A (en) * 2018-09-30 2020-04-07 上海汽车集团股份有限公司 Electromagnetic valve performance testing device, system and method and judgment method
CN112345232A (en) * 2020-10-30 2021-02-09 湖北特种设备检验检测研究院 Online checking device capable of being provided with built-in safety valve and using method

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Granted publication date: 20130320

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