CN2748899Y - Safety valve on-line detector - Google Patents
Safety valve on-line detector Download PDFInfo
- Publication number
- CN2748899Y CN2748899Y CN 200420112289 CN200420112289U CN2748899Y CN 2748899 Y CN2748899 Y CN 2748899Y CN 200420112289 CN200420112289 CN 200420112289 CN 200420112289 U CN200420112289 U CN 200420112289U CN 2748899 Y CN2748899 Y CN 2748899Y
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- China
- Prior art keywords
- safety valve
- sensor
- dop
- chuck
- interface
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- Expired - Fee Related
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Abstract
Disclosed is a safety valve on-line detector, comprising a mechanical part, a detection part, a data processing part and a hydraulic power part; wherein, the mechanical part is connected with the hydraulic power part by a fuel injection pipe, and the detection part is connected with the mechanical part and the data processing part by a central connecting rod and a signal line of the mechanical part respectively. The utility model provides a simple safety valve on-line detector, which is portable for field operation, and is applicable for detecting the opening pressure of various spring safety valves of boiler pressure containers. The utility model can also measure the opening pressure of the safety valve under the on-line thermal state and cold state.
Description
Technical field
The utility model belongs to the pick-up unit of safety valve, particularly a kind of on-line detecting instrument for safety valve that spring safety valve is detected.
Background technology
Be widely used in the safety valve of modernized industrial production procedures such as oil, petrochemical industry, electric power at present, these enterprises are long periods, serialization safety in production type enterprise, and the national requirements safety valve must inspection in a year.The verification of current safety valve mainly is to carry out the off-line verification at checking table, is exactly that enterprise stops, and safety valve is pulled down, install to checking table and carry out verification, like this since, bring great economic loss to enterprise.Also occurred some adjusting and measuring on line instruments in recent years, mostly because big to the operating mode disturbance, system errors for measurement is big, and on-the-spot use is loaded down with trivial details, thereby is difficult to generally be promoted.
The utility model content
Shortcoming at above-mentioned prior art existence, the long-pending experience of being engaged in this area work for many years of the inventor, through continuous design improvement, feasibility study repeatedly, a kind of on-line detecting instrument for safety valve of invention the utility model, the utility model provides a kind of portable field on-line detecting instrument for safety valve that the various spring type safety valve opening pressures that are applicable to boilers and pressure vessel simple to operate detect, and measures the opening pressure of safety valve under can be online hot, the cold conditions situation.Online hot detection is exactly the opening pressure of detection safety valve under the state that do not stop of process units; Safety valve need not be pulled down from device when online cold conditions detection was exactly the process units parking maintenance, and the state that need not system pressure is measured opening pressure of safety valve down.
The technical solution adopted in the utility model is: a kind of on-line detecting instrument for safety valve is characterized in that: it partly is made up of mechanical part, test section, data processing section, hydraulic power; Wherein, mechanical part partly is connected with hydraulic power by high-pressure oil pipe, and the test section is connected with mechanical part and data processing section by the center rod and the signal wire of mechanical part respectively.
Described mechanical part, for the rotating box of five gears is arranged, on the gear in the middle of handwheel is contained in, the gear at two ends is loaded onto two screw rods respectively, remaining two gears are contained in respectively between handwheel gear and the screw gear, on screw rod, adorn a dop seat, put Upright post base again, be fixed on the centre of screw rod, refill a dop seat, load onto screw thread dop and fixing in the ring shaped slot of two dop seats, two root posts are connected Upright post base with the form of screw thread respectively, and crossbeam and fixing is loaded onto in the upper end of two root posts; Oil cylinder is installed in crossbeam, oil cylinder top mounting torque overcomes device, link rod top, center is the link rod nut, the center link rod from moment of torsion overcome device, oil cylinder passes, that install link rod lower end, center is spacing-close device, sensor overload protective device by force, again sensor is installed in the lower end of center link rod, the chuck transition is contained in the sensor lower end, the clamping chuck is contained in the chuck transition, the mechanical type gearshift is contained in the chuck transition, the contact contact of mechanical type gearshift is on the surface of dop seat, and the pickup head surface of contact is equipped with magnet and is adsorbed in the chuck transition.
Described hydraulic power part is hydraulic manual oil pump oil-out damper, refills rapid-acting coupling and is connected with the rapid-acting coupling of oil cylinder by a high-pressure oil pipe, and the screw thread dop in the dop seat is clamped on the valve body of safety valve to be measured.
Described test section is, sensor is connected with safety valve valve rod to be measured with the chuck transition by the clamping chuck, pickup head is adsorbed in the chuck transition, and the mechanical type gearshift is installed in the chuck transition, and the contact contact on the mechanical type gearshift is on the surface of dop seat; The signal wire of sensor, the signal wire of the signal wire of pickup head and mechanical type gearshift inserts the sensor interface of data processor, pickup interface and contact interface respectively.
Described data processing division is divided into, the panel of data processor is set to be arranged with 5V in left this part, 12V instrument connection " just " " is born " each one group, the sensor signal line interface of four-core aviation plug, the mechanical type gearshift signal wire interface of RCA connector, the earphone signal line interface of ф 3.5, inserted mini-printer, power switch and measuring switch, the centre is a pilot lamp, is LCDs above the right half part, be push-button keyboard below, the back side is 220V charge power supply interface.
The utility model compared with prior art, its advantage is:
1, can under the two states of hot, cold conditions, all can carry out the online detection of safety valve, not influence operating mode.
When 2, online cold conditions detects, do not need system pressure;
3, simple in structure, compact, volume is little, and is in light weight, is easy to carry, and execute-in-place is easy, and it is little to detect error.
4, the unique moment of torsion of design overcomes device, can be in testing process during not at same straight line, overcomes the measuring error that moment of torsion causes sensor at center link rod and valve rod.
5, futuramic clamping chuck, valve rod that is applicable to different-diameter and no screw thread valve rod.
6, safety valve blowback not tight or kick after can not return the seat, the mesolow safety valve can use act directly on the valve rod spacing-close device by force to handle, high-pressure safety valve can use the strong pass oil cylinder of particular design to handle, and these two kinds of methods do not influence setting valve.
7, the length of valve rod no matter does not need to regulate the height of crossbeam, can regulate act directly on the valve rod spacing-close device by force, restriction is opened high, realizes not influencing operating mode.
8, the use of sensor overload protective device has effectively been protected sensor in the process of strong pass.
9, in order to make the tightr of base and valve body folder, handwheel is designed to detachably, increases ratchet wrench and clamps.
10, design the logical heart locking device in contact cleverly.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the rotating box structural representation of the utility model gear.
Embodiment
As shown in Figure 1, a kind of on-line detecting instrument for safety valve, it partly is made up of mechanical part, test section, data processing section, hydraulic power; Wherein, mechanical part partly is connected with hydraulic power by high-pressure oil pipe, and the test section is connected with mechanical part and data processing section by the center rod and the signal wire of mechanical part respectively.
Described mechanical part, be the rotating box (referring to Fig. 2) that five gears are arranged, on the gear 53 in the middle of handwheel 14 is contained in, the gear 51 and 55 at two ends is loaded onto two screw rods 9 and 20 respectively, remaining two gears 52 and 54 are contained in respectively between handwheel gear 53 and screw gear 51 and 55 and play a transition role, on screw rod 9 and 20, adorn a dop seat 19 again, put Upright post base 10 and 21 again, be fixed in the centre of screw rod 9 and 20, make it can only axially-movable, refill a dop seat 8, in the ring shaped slot 29 of two dop seats 8 and 19, load onto screw thread dop 11 and 12 and fixing respectively with two register pins 13, crossbeam 28 is loaded onto and with register pin 27 and 48 fixing in the upper end that two root posts 7 and 47 are connected Upright post base 10 and 21, two root posts 7 and 47 with the form of screw thread respectively.Oil cylinder 4 is installed in crossbeam 28, oil cylinder 4 top mounting torques overcome device 3, link rod 1 top in center is a link rod nut 2, center link rod 1 overcomes device 3 from moment of torsion, oil cylinder 4 passes, that install link rod 1 lower end in center is spacing-close device 5 by force, sensor overload protective device 6, again sensor 25 is installed in the lower end of center link rod 1, again chuck transition 24 is contained in sensor 25 lower ends, clamping chuck 22 is contained in the chuck transition 24, clamping chuck 22 is used for clamping safety valve valve rod to be measured, mechanical type gearshift 15 is contained in the chuck transition 24, contact 16 contacts of mechanical type gearshift 15 are on the surface of dop seat 19, and pickup head 45 surface of contact are equipped with magnet and are adsorbed in the chuck transition 24.
Described hydraulic power part is hydraulic manual oil pump 44 oil-out dampers 37, refills rapid-acting coupling 36 and is connected with the rapid-acting coupling 49 of oil cylinder by a high-pressure oil pipe 26, and the screw thread dop 11 and 12 in the dop seat 8 and 19 is clamped on the valve body of safety valve to be measured.
Described test section is, sensor 25 is connected with safety valve valve rod to be measured with chuck transition 24 by clamping chuck 22, pickup head 45 is adsorbed in the chuck transition 24, mechanical type gearshift 15 is installed in chuck transition 24, and contact 16 contacts on the mechanical type gearshift 15 are on the surface of dop seat 19; The signal wire 18 of sensor 25, the signal wire 23 of pickup head 45 and the signal wire 30 of mechanical type gearshift 15 insert sensor interface 39, pickup interface 41 and the contact interface 38 of data processor 46 respectively.
Described data processing division is divided into, the panel of data processor 46 is set to be arranged with 5V in left this part, 12V instrument connection 40 and 42 " just " " is born " each one group, the sensor signal line interface 39 of four-core aviation plug, the mechanical type gearshift signal wire interface 38 of RCA connector, the earphone signal line interface 43 of ф 3.5, inserted mini-printer 32, power switch 31 and measuring switch 33, the centre is a pilot lamp 50, it above the right half part LCDs 34, be push-button keyboard 35 below, the back side is 220V charge power supply interface.
In sum, be preferred embodiment of the present utility model, all changes of doing according to technical solutions of the utility model when the function that is produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (5)
1, a kind of on-line detecting instrument for safety valve is characterized in that: it partly is made up of mechanical part, test section, data processing section, hydraulic power; Wherein, mechanical part partly is connected with hydraulic power by high-pressure oil pipe, and the test section is connected with mechanical part and data processing section by the center rod and the signal wire of mechanical part respectively.
2, on-line detecting instrument for safety valve as claimed in claim 1, it is characterized in that: described mechanical part, for the rotating box of five gears is arranged, on the gear in the middle of handwheel is contained in, the gear at two ends is loaded onto two screw rods respectively, remaining two gears are contained in respectively between handwheel gear and the screw gear, on screw rod, adorn a dop seat, put Upright post base again, be fixed on the centre of screw rod, refill a dop seat, in the ring shaped slot of two dop seats, load onto screw thread dop and fixing, two root posts are connected Upright post base with the form of screw thread respectively, and crossbeam and fixing is loaded onto in the upper end of two root posts; Oil cylinder is installed in crossbeam, oil cylinder top mounting torque overcomes device, link rod top, center is the link rod nut, the center link rod from moment of torsion overcome device, oil cylinder passes, that install link rod lower end, center is spacing-close device, sensor overload protective device by force, again sensor is installed in the lower end of center link rod, the chuck transition is contained in the sensor lower end, the clamping chuck is contained in the chuck transition, the mechanical type gearshift is contained in the chuck transition, the contact contact of mechanical type gearshift is on the surface of dop seat, and the pickup head surface of contact is equipped with magnet and is adsorbed in the chuck transition.
2, on-line detecting instrument for safety valve as claimed in claim 1, it is characterized in that: described hydraulic power part, be hydraulic manual oil pump oil-out damper, refill rapid-acting coupling and be connected with the rapid-acting coupling of oil cylinder by a high-pressure oil pipe, the screw thread dop in the dop seat is clamped on the valve body of safety valve to be measured.
3, on-line detecting instrument for safety valve as claimed in claim 1, it is characterized in that: described test section is, sensor is connected with safety valve valve rod to be measured with the chuck transition by the clamping chuck, pickup head is adsorbed in the chuck transition, the mechanical type gearshift is installed in the chuck transition, and the contact contact on the mechanical type gearshift is on the surface of dop seat; The signal wire of sensor, the signal wire of the signal wire of pickup head and mechanical type gearshift inserts the sensor interface of data processor, pickup interface and contact interface respectively.
4, on-line detecting instrument for safety valve as claimed in claim 1, it is characterized in that: described data processing division is divided into, the panel of data processor is set to be arranged with 5V in left this part, 12V instrument connection " just " " is born " each one group, the sensor signal line interface of four-core aviation plug, the mechanical type gearshift signal wire interface of RCA connector, the earphone signal line interface of φ 3.5, inserted mini-printer, power switch and measuring switch, the centre is a pilot lamp, being LCDs above the right half part, is push-button keyboard below, and the back side is 220V charge power supply interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112289 CN2748899Y (en) | 2004-11-08 | 2004-11-08 | Safety valve on-line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112289 CN2748899Y (en) | 2004-11-08 | 2004-11-08 | Safety valve on-line detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2748899Y true CN2748899Y (en) | 2005-12-28 |
Family
ID=35720391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420112289 Expired - Fee Related CN2748899Y (en) | 2004-11-08 | 2004-11-08 | Safety valve on-line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2748899Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949772A (en) * | 2010-09-29 | 2011-01-19 | 奇瑞汽车股份有限公司 | Method for measuring pressure reliving rate of pressure reducing valve and detection method of pressure reducing valve |
| CN103076134A (en) * | 2012-12-31 | 2013-05-01 | 苏州维赛克阀门检测技术有限公司 | On-line detection system for safety valve |
| CN103292986A (en) * | 2013-05-17 | 2013-09-11 | 深圳市特种设备安全检验研究院 | Hot-state type test method and hot-state type test system for spring loaded safety valves |
| CN105675277A (en) * | 2016-01-14 | 2016-06-15 | 南京市锅炉压力容器检验研究院 | Full lift or low lift safety valve opening pressure intelligent checking method |
| CN110579350A (en) * | 2019-09-07 | 2019-12-17 | 中石化石油工程技术服务有限公司 | low-temperature valve pressure detection device and using method thereof |
-
2004
- 2004-11-08 CN CN 200420112289 patent/CN2748899Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949772A (en) * | 2010-09-29 | 2011-01-19 | 奇瑞汽车股份有限公司 | Method for measuring pressure reliving rate of pressure reducing valve and detection method of pressure reducing valve |
| CN103076134A (en) * | 2012-12-31 | 2013-05-01 | 苏州维赛克阀门检测技术有限公司 | On-line detection system for safety valve |
| CN103292986A (en) * | 2013-05-17 | 2013-09-11 | 深圳市特种设备安全检验研究院 | Hot-state type test method and hot-state type test system for spring loaded safety valves |
| CN103292986B (en) * | 2013-05-17 | 2016-08-10 | 深圳市特种设备安全检验研究院 | Spring loaded safe valve hot type approval test method and system |
| CN105675277A (en) * | 2016-01-14 | 2016-06-15 | 南京市锅炉压力容器检验研究院 | Full lift or low lift safety valve opening pressure intelligent checking method |
| CN105675277B (en) * | 2016-01-14 | 2018-05-25 | 南京市锅炉压力容器检验研究院 | One kind opens entirely or Low lift safety valve Opening pressure intelligence method of calibration |
| CN110579350A (en) * | 2019-09-07 | 2019-12-17 | 中石化石油工程技术服务有限公司 | low-temperature valve pressure detection device and using method thereof |
| CN110579350B (en) * | 2019-09-07 | 2022-05-03 | 中石化石油工程技术服务有限公司 | Low-temperature valve pressure detection device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |