CN204855152U - Online calibration equipment of portable safety valve - Google Patents
Online calibration equipment of portable safety valve Download PDFInfo
- Publication number
- CN204855152U CN204855152U CN201520626951.XU CN201520626951U CN204855152U CN 204855152 U CN204855152 U CN 204855152U CN 201520626951 U CN201520626951 U CN 201520626951U CN 204855152 U CN204855152 U CN 204855152U
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- Prior art keywords
- lever
- safety valve
- locking device
- power unit
- valve
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Abstract
The utility model discloses a main technical scheme is an online calibration equipment of portable safety valve, including the lever unit that is used for mentioning the relief valve valve rod, be used for providing the power pack of external force and being used for the data processing unit of collection and processing data to the lever unit. The lever unit includes: indicate the lever of scale, the support of fulcrum is provided for the lever, fix the locking device on the valve rod of relief valve, power pack promotes the lever and supports locking device during the check -up, and the valve rod is upwards mentioned with the locking device cooperation to the lever. The utility model discloses it is easy and simple to handle, solved that traditional online verification mode is with high costs, the inefficiency, be suitable for narrow, the fault -tolerant ability subalternation problem of face.
Description
Technical field
The utility model relates to a kind of detector for safety valve, particularly relates to a kind of Portable safety valve on-line testing device.
Background technology
Safety valve is a kind of releasing pressure automatically valve.There is certain internal pressure in pressure pipeline, container etc., when internal pressure is higher than setting value, the safety valve on pressure pipeline, container will be opened, and discharges its internal pressure, and guarantee equipment operates under normal pressure.State compulsion requires that annual safety valve all will verify once again.
Traditional safety valve testing is divided into two classes: 1. shut down, dismantle, be transported to verification center, with the verification of off-line verification platform; 2. adopt oil pump hydraulic pressure on-line testing instrument, field-checking.
Traditional verification platform verification, needs equipment to stop production, is disassembled by safety valve, is carried to the verification of verification center.Off-line check-verifying period is long, operation is complicated, intensity is large, efficiency is low, shielded instrument and equipment must be shut down, the continuity that impact is produced.On checking table, the take-off of safety valve judges the sense of hearing relying on verification personnel completely, and sense organ deviation is large, and cannot judge safety valve " micro-take-off ", causes personal error.The nitrogen gas supply flow of checking table is less than working environment, cannot precise calibration blow pressure.The instrument that verification uses is away from safety valve, and because duct pressure loss is comparatively large, instrument display and safety valve jumping up exist time delay, truly can not reflect the spool place pressure of safety valve.Safety valve under dismounting has departed from temperature, vibration environment in producing, and test value will change, and increases environmental error.Frequent carrying also can have a strong impact on the accuracy of safety valve.The pipeline produced for full load and storage tank cannot verify.
CN200820108108.2 discloses a kind of safety valve on-line testing device, and adopt mechanical clamp to fix safety valve, oil hydraulic cylinder provides power to lift safety valve, and according to lifting the setting valve of calculation of pressure safety valve.The method is only suitable on the spring safety valve with on-line tuning device, be not suitable for the safety valve that low pressure or small-sized safety valve, high-altitude safe valve, the safety valve of band electric contact or pneumatic control and equipment exist vibration or high temperature, be not suitable for field operation.And verification needs the comparatively large equipment such as oil pump, fuel tank, converter, notebook computer, need to lay power supply, fuel feeding, control etc. and overlap cable more, portable devices is poor, complicated operation, to site layout project and technical requirement high, verification cost high, efficiency is low, fault-tolerant ability is poor.
Utility model content
In view of this, the utility model provides a kind of Portable safety valve on-line testing device, and fundamental purpose solves the problems such as traditional verification mode cost is high, efficiency is low, applicable surface is narrow, fault-tolerant ability is poor.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of Portable safety valve on-line testing device, comprises the lever unit for mentioning safety valve valve rod, for providing the power unit of external force and the data processing unit for acquisition and processing data to lever unit;
Described lever unit comprises lever, and lever is marked with scale; Be provided with as lever provides the stilt of fulcrum below lever; The locking device be fixed on safety valve valve rod is provided with above lever; Power unit promotes lever and props up locking device, and lever coordinates with locking device and upwards mentions valve rod;
Described data processing unit comprises data processing terminal, and data processing terminal is connected with the vibration detection device for detecting valve rod vibrational state and the pressure-detecting device for measuring pressure pipeline internal pressure; Vibration detection device is connected with valve rod; Pressure-detecting device is connected with pressure pipeline.
Further improvement, described locking device is fixed on the part that valve rod stretches out safety valve top; Stilt is in the below of lever one end, and power unit is in the below of the lever other end; Locking device is between stilt and power unit; Power unit is lever upwardly, and its intermediate part props up locking device, and lever coordinates with locking device and upwards mentions valve rod.
Further improvement, the middle part of described lever is provided with mounting hole, and lever is enclosed within valve rod by mounting hole.
Further improvement, described locking device, be arranged on be in safety valve inside valve rod on; The top that described locking device is in lever one end is arranged on valve rod; Power unit, outside safety valve outlet, is in the top of the lever other end, and verified in safety valve outside by safety valve outlet, stilt is between locking device and power unit; Power unit promotes lever downwards, and lever props up locking device, and lever coordinates with locking device and upwards mentions valve rod.
Further improvement, described lever one end be positioned at below locking device is U-shaped.
Further improvement, described vibration detection device is wireless vibration sensor; Pressure-detecting device is wireless pressure sensor; Described data processing terminal is panel computer, notebook computer or smart mobile phone.
Further improvement, described power unit is pneumatic power unit, and pneumatic power unit comprises gas cylinder, and gas cylinder is connected with stop valve, reduction valve, the surge tank of band pressure measuring unit and air cylinder group in turn by airway.
Compared with prior art, the utility model has the advantage of: one, on-line testing, device need not complete verification under Parking situation, meet National Technical superintendent office must to adjust in the cycle to safety valve require while ensure that the work requirements of enterprise's long period, full load; Two, field-checking, safety valve need not separate transport, and retain the temperature of working environment, vibration, pressure, the numerical value of calibration is closer to practical application; Three, high fault tolerance, the most parts of tester are all general replaceable, and monitoring parts can replace with conventional instrument, and specialized spare part can process adjustment temporarily; Four, the data such as vibration (sound), pressure that tester is monitored form collection of illustrative plates and preserve, and automatically identify set-pressure value, get rid of the erroneous judgement of subjective factor; Five, safety valve type is widely applicable to, as Welding Safety valve, deadweight safety valve, be applicable to all calibers, all pressure rating safety valve, be applicable to poisonous and harmful, the inflammable and explosive environment of operation site isolation, be applicable to highfield interference, high temperature high vibration environment; Be applicable to field movable operating environment, be applicable to work high above the ground or remote-controlled operation.
Accompanying drawing explanation
The Portable safety valve on-line testing device schematic diagram that Fig. 1 provides for embodiment 1;
The Portable safety valve on-line testing device that Fig. 2 provides for embodiment 1 installs sectional view;
The Portable safety valve on-line testing device that Fig. 3 provides for embodiment 2 installs sectional view;
Fig. 4 is lever and the locking device vertical view of embodiment 2.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment 1
A kind of Portable safety valve on-line testing device as depicted in figs. 1 and 2, comprises the lever unit for mentioning safety valve valve rod, for providing the power unit of external force and the data processing unit for acquisition and processing data to lever unit;
Described power unit is pneumatic power unit, and pneumatic power unit comprises gas cylinder 1, and gas cylinder 1 is connected with stop valve 2, reduction valve 3, the surge tank 4 being with pressure measuring unit and air cylinder group 5 in turn by airway.
Described lever unit comprises the graduated lever 6 of mark, and the middle part of lever 6 is provided with mounting hole, and lever 6 is enclosed within valve rod 13 by mounting hole.Be provided with as lever 6 provides the stilt 7 of fulcrum below lever 6; The locking device 8 be fixed on safety valve valve rod 13 is provided with above lever 6; Described locking device 8 is fixed on the part that valve rod 13 stretches out safety valve top.Stilt 7 is in the below of lever 6 one end, and air cylinder group 5 is in the below of lever 6 other end, and locking device 8 is between stilt 7 and power unit.
Described data processing unit comprises data processing terminal 9, and data processing terminal 9 is connected with the vibration detection device 11 for detecting valve rod 13 vibrational state and the pressure-detecting device 10 for measuring pressure pipeline 15 internal pressure.Vibration detection device 11 is wireless vibration sensor, and pressure-detecting device 10 is wireless pressure sensor, and data processing terminal 9 is panel computer.Vibration detection device 11 is connected with valve rod 13, and pressure-detecting device 10 is connected with pressure pipeline.Data processing terminal 9 also can be replaced notebook computer or smart mobile phone.
When carrying out on-line testing, wireless pressure sensor 10 measures the pressure P in pressure pipeline
1, wireless senser transfers data to panel computer terminal 9 automatically.By the wireless senser reading on surge tank 4, gas push air cylinder group 5 in surge tank, can show that in surge tank, pressure is P
2, wireless senser transfers data to panel computer terminal 9 automatically.Cylinder promotes upwardly lever 6, lever 6 stressed backward on prop up locking device 8, lever 6 coordinates upwardly valve rod 13 with locking device 8, utilizes the scale on lever 6, can read locking device 8 and the distance between air cylinder group 5 and fulcrum is respectively L
1and L
2-.Along with valve rod 13 is by the increase gradually of thrust, until spool 14 loosens and pressure release, vibration or the sound of the loosening generation of spool 14 pass to vibration transducer 11 by valve rod 13, and vibration data is transferred to panel computer 9 by vibration transducer 11 in real time.Panel computer terminal 9 judges safety valve jumping up point according to the change of vibration data, according to device systems pressure P during take-off
1and the pressure F that the parameter calculating spool 14 of safety valve is subject to
1, according to the pressure P of surge tank during take-off
2and the reading L on lever 6
1and L
2calculate the thrust F of lever 6 pairs of valve rods 13
2.F
1+ F
2be the opening pressure of safety valve, panel computer 9 exports F
1+ F
2numerical value, can safety valve be calibrated according to numerical value.
Embodiment 2
A kind of Portable safety valve on-line testing device as shown in Figure 3, locking device 8 is arranged on and is on the valve rod 13 of safety valve inside.Lever 6 one end is U-shaped, and locking device 8 is in the top of lever U-shaped end, and power unit is in the top of lever 6 other end, and stilt 7 is between locking device 8 and power unit.During verification, power unit promotes lever 6 downwards, and lever 6 props up locking device 8, and lever 6 coordinates with locking device 8 and upwards mentions valve rod 13.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (7)
1. a Portable safety valve on-line testing device, is characterized in that, comprises the lever unit for mentioning safety valve valve rod, for providing the power unit of external force and the data processing unit for acquisition and processing data to lever unit;
Described lever unit comprises lever (6), and lever (6) is marked with scale; Lever (6) below is provided with as lever (6) provides the stilt (7) of fulcrum; Lever (6) top is provided with the locking device (8) be fixed on safety valve valve rod (13); Power unit promotes lever (6) and props up locking device (8), and lever (6) coordinates with locking device (8) and upwards mentions valve rod (13);
Described data processing unit comprises data processing terminal (9), and data processing terminal (9) is connected with the vibration detection device (11) for detecting valve rod (13) vibrational state and the pressure-detecting device (10) for measuring pressure pipeline (15) internal pressure; Vibration detection device (11) is connected with valve rod (13); Pressure-detecting device (10) is connected with pressure pipeline (15).
2. Portable safety valve on-line testing device as claimed in claim 1, it is characterized in that, described locking device (8) is fixed on the part that valve rod (13) stretches out safety valve top; Stilt (7) is in the below of lever (6) one end, and power unit is in the below of lever (6) other end; Locking device (8) is between stilt (7) and power unit; Power unit is lever (6) upwardly, and lever (6) middle part props up locking device (8), and lever (6) coordinates with locking device (8) and upwards mentions valve rod (13).
3. Portable safety valve on-line testing device as claimed in claim 2, it is characterized in that, the middle part of described lever (6) is provided with mounting hole, and lever (6) is located on valve rod (13) by mounting hole.
4. Portable safety valve on-line testing device as claimed in claim 1, it is characterized in that, described locking device (8) be arranged on be in safety valve inside valve rod (13) on, described locking device (8) is in the top of lever (6) one end, power unit is in the top of lever (6) other end, and power unit is positioned at safety valve outside; Stilt (7) is between locking device (8) and power unit; Power unit is at safety valve externally to lower promotion lever (6), and lever (6) props up locking device (8), and lever (6) coordinates with locking device (8) and upwards mentions valve rod (13).
5. Portable safety valve on-line testing device as claimed in claim 4, is characterized in that, one end that described lever (6) is in locking device (8) below is U-shaped.
6. Portable safety valve on-line testing device as claimed in claim 1, it is characterized in that, described vibration detection device (11) is wireless vibration sensor; Pressure-detecting device (10) is wireless pressure sensor; Described data processing terminal (9) is panel computer, notebook computer or smart mobile phone.
7. Portable safety valve on-line testing device as claimed in claim 1, it is characterized in that, described power unit is pneumatic power unit, pneumatic power unit comprises gas cylinder (1), and gas cylinder (1) is connected with stop valve (2), reduction valve (3), the surge tank (4) being with pressure measuring unit and air cylinder group (5) in turn by airway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626951.XU CN204855152U (en) | 2015-08-19 | 2015-08-19 | Online calibration equipment of portable safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626951.XU CN204855152U (en) | 2015-08-19 | 2015-08-19 | Online calibration equipment of portable safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855152U true CN204855152U (en) | 2015-12-09 |
Family
ID=54745691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520626951.XU Expired - Fee Related CN204855152U (en) | 2015-08-19 | 2015-08-19 | Online calibration equipment of portable safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706304A (en) * | 2017-03-03 | 2017-05-24 | 广东省特种设备检测研究院湛江检测院 | On-line verification device for lever-type safety valve |
| CN106768989A (en) * | 2017-03-03 | 2017-05-31 | 广东省特种设备检测研究院湛江检测院 | A kind of on-line testing method for being applied to lever safety valve |
| CN114720103A (en) * | 2022-03-10 | 2022-07-08 | 江苏省特种设备安全监督检验研究院 | Safety interlocking device detection and calibration device for quick-opening pressure vessel |
-
2015
- 2015-08-19 CN CN201520626951.XU patent/CN204855152U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706304A (en) * | 2017-03-03 | 2017-05-24 | 广东省特种设备检测研究院湛江检测院 | On-line verification device for lever-type safety valve |
| CN106768989A (en) * | 2017-03-03 | 2017-05-31 | 广东省特种设备检测研究院湛江检测院 | A kind of on-line testing method for being applied to lever safety valve |
| CN106706304B (en) * | 2017-03-03 | 2023-09-05 | 广东省特种设备检测研究院湛江检测院 | Lever type safety valve online verification device |
| CN114720103A (en) * | 2022-03-10 | 2022-07-08 | 江苏省特种设备安全监督检验研究院 | Safety interlocking device detection and calibration device for quick-opening pressure vessel |
| CN114720103B (en) * | 2022-03-10 | 2023-07-21 | 江苏省特种设备安全监督检验研究院 | Quick-opening pressure vessel safety interlocking device detection and verification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |