CN201203534Y - Safety valve on-line checkout apparatus - Google Patents
Safety valve on-line checkout apparatus Download PDFInfo
- Publication number
- CN201203534Y CN201203534Y CNU2008201081082U CN200820108108U CN201203534Y CN 201203534 Y CN201203534 Y CN 201203534Y CN U2008201081082 U CNU2008201081082 U CN U2008201081082U CN 200820108108 U CN200820108108 U CN 200820108108U CN 201203534 Y CN201203534 Y CN 201203534Y
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- China
- Prior art keywords
- safety valve
- hydraulic power
- power unit
- testing device
- assembly
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- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- Safety Valves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a safety valve on-line checkout apparatus comprising a mechanical clamp unit, a hydraulic power unit and a data processing unit, the mechanical clamp unit is connected with the hydraulic power unit to provide support for the hydraulic power unit, the hydraulic power unit is used to provide additional external force for the safety valve, the data processing unit is connected with the safety valve for acquiring and processing the additional external force under state of starting the safety valve. Adopting the technical scheme of the utility model can improve checkout suitable degree, save human power and material resources costs, and eliminate potential safety hazard.
Description
Technical field
The utility model relates to the safety valve technical field, relates in particular to a kind of safety valve on-line testing device.
Background technology
Safety valve testing is divided into off-line verification and on-line testing.The off-line verification is meant that safety valve pulls down from boilers and pressure vessel and pressure pipeline equipment, utilizes the off-line checking table that it is carried out verification.The verification of safety valve off-line is to utilize the off-line checking table that safety valve is carried out off-line, cold conditions verification, and the problem that this kind verification mode exists: bearing device must stop and could dismantle verification to its safety valve, directly has influence on economic benefit of enterprises; Competent authorities of country carry out annual verification laws and regulations requirement once at least to safety valve, and this just clashes with enterprise turn(a)round; The level pressure result of safety valve off-line verification and on-the-spot actual opening pressure have certain deviation, and all might influence opening pressure in links such as transportation, time dresses, cause safety valve driving kick leakage phenomenon to occur; High bad dismounting in, installation site big for volume or welding valve need spend great amount of manpower and material resources and could carry out verification to it; The verification scope of off-line verification is by the performance decision of off-line platform, and its verification bore, verification pressure all have certain limitation.
On-line testing is meant that safety valve need not dismantle, and directly carries out verification on the bearing device of operation.On-line testing is to utilize the real jumping verification of boosting of pressure system at present.Online real jumping of boosting of safety valve is with the opening pressure of pressure bearing system boost in pressure to safety valve, directly judges the unlatching situation of safety valve, the problem that this kind verification mode exists:
1, be subjected to the restriction of actuating medium, the safety valve that maybe can not change the system pressure medium for dangerous medium can't verification;
2, this kind verification mode total system will reach moment or superpressure in short-term, have certain risk and potential safety hazard;
3, the real verification cost of jumping that boosts is too high, causes the waste of resource.
The utility model content
The purpose of this utility model is to propose a kind of safety valve on-line testing device, has improved the verification relevance grade, has saved the manpower and materials cost, has eliminated potential safety hazard.
For reaching this purpose, the utility model by the following technical solutions:
A kind of safety valve on-line testing device, comprise mechanical clamp unit, hydraulic power unit and data processing unit, described mechanical clamp unit is connected with described hydraulic power unit, be used for providing support to described hydraulic power unit, described hydraulic power unit is used for providing additional external force to described safety valve, described data processing unit is connected with described safety valve, is used to gather, handle the additional external force under the described safety valve opening.
Described mechanical clamp unit comprises that further level steps up assembly and suspension assembly, and described level is stepped up assembly and is used for fixing on described safety valve, and described suspension assembly is used for fixing described hydraulic power unit.
Described level is stepped up assembly and is further comprised dop, dop seat, screw rod, connection seat, synchronous driving case and handle.
Described suspension assembly further comprises two root posts and crossbeam, is used for fixing oil cylinder, screw thread lifting jack, spacing-as to close device, force transducer, center link rod, coupling nut, polished rod jig and probe assembly by force.
Described oil cylinder is the spring oil cylinder that automatically resets.
Described hydraulic power unit comprises hand oil pump, damper, high-pressure oil pipe and ready-packaged joint, described hand oil pump is controlled described oil cylinder by described high-pressure oil pipe, described damper is installed in the exit of described hand oil pump, and described oil pump, described high-pressure oil pipe and described oil cylinder are connected by described ready-packaged joint.
Described data processing unit comprises data processor, force transducer, force transducer information output line, detecting probe information output line, pickup amplifier and output line, monitoring headpone.
Adopt the technical solution of the utility model, satisfied the job requirement of enterprise's long period, full load, efficiently solved conflicting of enterprise turn(a)round and safety valve testing cycle; But can be pressed in all verifications of safety valve of usefulness to exempting to tear open cold conditions or band, checking data need not revised, and has avoided influencing because of hot and cold deviation or links such as transportation, installation the variation of opening pressure, causes occurring bad phenomenon such as safety valve kick leakage; The safety valve that can utilize strong pass device that seat, kick leakage are not returned in take-off closes processing by force, and does not change the opening pressure of safety valve itself, has solved the significant problem that influences ordinary production for enterprise; Efficiently solve the check problem of safety valve that can't normal verification owing to multiple reason (as can't dismantle or danger medium etc.), improved the verification relevance grade greatly; Save the human and material resources in original verification, and can improve the verification duration; Reduce potential safety hazard, improved the security of verification.
Description of drawings
Fig. 1 is the structural representation of safety valve on-line testing device in the utility model embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the structural representation of safety valve on-line testing device in the utility model embodiment.As shown in Figure 1, this calibration equipment comprises mechanical clamp unit, hydraulic power unit and data processing unit.
The mechanical clamp unit comprises that level steps up assembly and suspension assembly two large divisions.
It is that mechanical clamp is connected detent mechanism with safety valve to be measured that level is stepped up assembly, is made up of dop, dop seat, screw rod, connection seat, synchronous driving case and handle.During rotary handle, because the effect of 5 groups of gears in the case synchronously, by the right-and-left threaded transmission of screw rod, the screw thread reverse design of two dop seats makes two dress screw thread dop along continuous straight runs stepped up or loosen, and frame is clipped on the valve body of safety valve securely.Dop in the assembly can be changed, and according to the size of different safety valve valve ports, the dop that has been equipped with 5 groups of different models in this assembly for you to choose.
The suspension assembly comprises two root posts and crossbeam, is used for support fixation oil cylinder 1, screw thread lifting jack 2, spacing-as to close device 3, force transducer 4, center link rod 5, each size coupling nut 6 of metric and English, polished rod jig and probe assembly 7 by force.Its center link rod passes screw thread lifting jack, oil cylinder, spacing-as to close device by force to be connected on the force transducer from top to bottom, and force transducer finally is connected with the safety valve valve rod by different connected modes, realizes the upwards PROPEL to valve rod.
The screw thread lifting jack by with the effect of center link rod screw thread, adopt the mode of mechanical whorl, can replace the hydraulic pressure force application system to carry out the lifting of additional external force.Spacing-close by force device by with the effect of center link rod screw thread, can realize artificially limiting the Lift of safety valve, avoid causing the damage of safety valve and the loss of medium because of pull-up is excessive, guaranteed the security of field-checking, and can safety valve that seat, kick leak have not been returned in take-off and carry out hard closing and handle and do not change itself opening pressure.Oil cylinder is the spring oil cylinder that automatically resets, and oil cylinder is inner to add the spring design, and hydraulic system only needs an oil pipe to finish to boost, the overall process of pressure release, and in the time of the hydraulic system pressure release, oil cylinder is because the contained spring effect automatically restores to the enlightenment state.The crossbeam height is divided into 3 grades according to the concrete condition of actual verification safety valve, the fixing spring kayser self-localization-type structure that adopts of crossbeam height, it is more convenient to use, and has improved installation effectiveness, and is equipped with the column extension rod, be directed to special circumstances, can improve the crossbeam level altitude.Level steps up assembly and the suspension assembly is fixed by connecting screw, is combined into the complete mechanical clamp of a cover.
Hydraulic power unit comprises hand oil pump 13, damper, high-pressure oil pipe and ready-packaged joint, oil pump makes cylinder action in the mechanical clamp unit by high-pressure oil pipe output high pressure liquid power, convert to act on the safety valve flap upwards drive additional external force so that finish the measurement of opening pressure.Wherein, damper is installed on the hand oil pump exit, its effect is the storage and the high pressure liquid power of releasing, because damper outlet circulation area is very little, so that when suppressing fast, can be approximately a confined space to the little space of damper upstream, therefore can fast this space be suppressed to desirable value; Oil pump, oil pipe, oil cylinder connect with ready-packaged joint, so that quick, convenient installing/dismounting.
Data processing unit comprises data processor 8, force transducer 4, force transducer information output line 9, detecting probe information output line 10, pickup amplifier and output line 11, monitoring headpone 12 compositions.Data processor utilizes detecting probe information output line or pickup system to utilize pickup information output line (declaring out means for two kinds of contact probe or audio select) to judge the opening of safety valve by probe assembly, utilize force transducer information output line to collect additional external force under the safety valve opening by force transducer again, and calculate the current value of opening pressure accurately by system program.Detecting probe information output line and pickup information output line are direct insertion force sensors, together are transferred in the data processor with the main signal line of force transducer.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1, a kind of safety valve on-line testing device, it is characterized in that, comprise mechanical clamp unit, hydraulic power unit and data processing unit, described mechanical clamp unit is connected with described hydraulic power unit, be used for providing support to described hydraulic power unit, described hydraulic power unit is used for providing additional external force to described safety valve, and described data processing unit is connected with described safety valve, is used to gather, handle the additional external force under the described safety valve opening.
2, a kind of safety valve on-line testing device according to claim 1, it is characterized in that, described mechanical clamp unit comprises that further level steps up assembly and suspension assembly, described level is stepped up assembly and is used for fixing on described safety valve, and described suspension assembly is used for fixing described hydraulic power unit.
3, a kind of safety valve on-line testing device according to claim 2 is characterized in that, described level is stepped up assembly and further comprised dop, dop seat, screw rod, connection seat, synchronous driving case and handle.
4, a kind of safety valve on-line testing device according to claim 2, it is characterized in that, described suspension assembly further comprises two root posts and crossbeam, is used for fixing oil cylinder, screw thread lifting jack, spacing-as to close device, force transducer, center link rod, coupling nut, polished rod jig and probe assembly by force.
5, a kind of safety valve on-line testing device according to claim 4 is characterized in that, described oil cylinder is the spring oil cylinder that automatically resets.
6, a kind of safety valve on-line testing device according to claim 4, it is characterized in that, described hydraulic power unit comprises hand oil pump, damper, high-pressure oil pipe and ready-packaged joint, described hand oil pump is controlled described oil cylinder by described high-pressure oil pipe, described damper is installed in the exit of described hand oil pump, and described oil pump, described high-pressure oil pipe and described oil cylinder are connected by described ready-packaged joint.
7, a kind of safety valve on-line testing device according to claim 1, it is characterized in that described data processing unit comprises data processor, force transducer, force transducer information output line, detecting probe information output line, pickup amplifier and output line, monitoring headpone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201081082U CN201203534Y (en) | 2008-05-28 | 2008-05-28 | Safety valve on-line checkout apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201081082U CN201203534Y (en) | 2008-05-28 | 2008-05-28 | Safety valve on-line checkout apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203534Y true CN201203534Y (en) | 2009-03-04 |
Family
ID=40425846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201081082U Expired - Lifetime CN201203534Y (en) | 2008-05-28 | 2008-05-28 | Safety valve on-line checkout apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203534Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246854A (en) * | 2016-08-24 | 2016-12-21 | 四川科路控制工程有限公司 | Bidirectional ratchet hydraulic actuator and testing device of safety valve |
-
2008
- 2008-05-28 CN CNU2008201081082U patent/CN201203534Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246854A (en) * | 2016-08-24 | 2016-12-21 | 四川科路控制工程有限公司 | Bidirectional ratchet hydraulic actuator and testing device of safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CAMEL SPECIAL EQUIPMENT INSPECTION TECHNOLOGY (BEI Free format text: FORMER OWNER: BEIJING CAMEL PETROCHEMICAL ENGINEERING + TECHNICAL DEVELOPMENT CO., LTD. Effective date: 20130614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 HAIDIAN, BEIJING TO: 102400 FANGSHAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130614 Address after: 102400 Beijing City, Fangshan District Yan Village Yan Fu Road No. 1 -A332 Patentee after: Camel Technology (Beijing) Co., Ltd. Address before: 100083 Beijing city Haidian District Qi Jia Huo Zi No. 2 Jiande Business Building Room 102 Patentee before: Beijing Camel Petrochemical Engineering & Technical Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090304 |