CN202770625U - Portable and intelligent detection apparatus for safety valve - Google Patents
Portable and intelligent detection apparatus for safety valve Download PDFInfo
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- CN202770625U CN202770625U CN 201220422969 CN201220422969U CN202770625U CN 202770625 U CN202770625 U CN 202770625U CN 201220422969 CN201220422969 CN 201220422969 CN 201220422969 U CN201220422969 U CN 201220422969U CN 202770625 U CN202770625 U CN 202770625U
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- safety valve
- pressure
- testing device
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- crossbeam
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Abstract
The utility model relates to a portable and intelligent detection apparatus for a safety valve. The portable and intelligent detection apparatus is characterized by comprising a pedestal used for placing a to-be-detected safety valve, a spacing mechanism used for restricting the to-be-detected safety valve on the pedestal, an air inlet pipeline of a pressure channel, and an electronic recording module, wherein the air inlet pipeline of the pressure channel is communicated with a pressure medium source and the to-be-detected safety valve; the air inlet pipeline is provided with a first air pressure gauge used for displaying air inlet pressure, a pressure-reducing valve used for controlling pressure of air that enters the to-be-detected safety valve, and a first needle valve; the air inlet pipeline is further provided with an air outlet pipe that is communicated with air and is equipped with a second needle valve; and an output terminal of the first air pressure gauge is connected with an input terminal of a pressure transducer, and an output terminal of the pressure transducer is connected with a display screen used for displaying data recorded by the electronic recording module. Compared with the prior art, the detection apparatus provided by the utility model has a small size, is convenient to carry, and is capable of processing and detecting data in an automatic and intelligent manner.
Description
Technical field
The utility model relates to the safety valve testing instrument, specifically refers to a kind of Portable intelligent testing device of safety valve.
Background technology
Safety valve is a kind of commonly used and important overpressure protection apparatus of bearing device in electric power, the petrochemical enterprise; it is the guarantee of system safety operation; its effect is to guarantee that the bearing device or the top pressure in the pipeline that are attached thereto can not surpass a certain setting value; be the opening pressure of safety valve, thereby prevent that to a great extent equipment or pipeline from destroying the generation that causes a serious accident owing to superpressure.Safety valve is a kind of automatic valve, the stop valve that opens and closes from manual operation, blowoff valve etc. are different, safety valve in the situation that the bearing device superpressure can automatically open, the unnecessary pressure of releasing, guarantee device security, when treating that pressure medium drops to setting, can also can recover sealing by automatic-closing valve, stop the further leakage of medium, it is by any external force, but utilizes the power of medium itself to get rid of the fluid of some, in case locking system pressure surpasses predetermined safety value.
Because whether the parameters such as opening pressure of safety valve meet the demands and are directly connected to the safety of whole production run, so the enterprises such as electric power, petrochemical complex must regularly carry out verification to safety valve.The at present verification of safety valve adopts the safety valve testing instrument to carry out.
Existing safety valve testing generally includes the relief valve connection that connects with safety valve to be verified, and the admission line of this relief valve connection connects air compressor, the outlet pipe Bonding pressure table of safety valve.Because the weight and volume of air compressor is larger, causes testing device of safety valve heaviness very, therefore existing testing device of safety valve ubiquity carries the shortcoming of transportation difficulty.And if the dismounting safety valve detects to the tester location, on the one hand may be owing to transportation causes the damage of school safety valve, need on the other hand the safety valve number of field-checking also very large, therefore, existing relatively heavy field test device can increase the verification cost of safety valve undoubtedly.
Summary of the invention
Technical problem to be solved in the utility model is that the present situation for prior art provides a kind of Portable intelligent testing device of safety valve.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this Portable intelligent testing device of safety valve, it is characterized in that comprising the base be used to placing safety valve to be detected, be used for the spacing position-limit mechanism on this base of safety valve to be detected, the admission line that is communicated with the gas passage of source of the gas and safety valve to be detected, pressure transducer and data processing module, described admission line is provided with for the first rain glass that shows admission pressure, be used for reduction valve and the first needle-valve that control enters the pressure of the gas in the described safety valve to be detected, also be provided with the gas outlet that is connected with atmosphere on the described admission line, this gas outlet is provided with the second needle-valve; The input end of the described first barometric output terminal Bonding pressure sensor, the output terminal connection data processing module of this pressure transducer, the output terminal of this data processing module connects the display screen that is used for showing release pressure.
Described base can comprise support, crossbeam and be used for placing the carrier of described safety valve to be detected, and described crossbeam is fixed on the described support, and described carrier is arranged on the described crossbeam; Described position-limit mechanism is to be arranged on clamp jaw on the described crossbeam and that can move up and down with respect to described carrier.
Described carrier can be arranged on the top of described crossbeam, and carrier connects driving mechanism by linking arm, and described crossbeam is provided with connecting hole, and described linking arm can be arranged in this connecting hole up or down.
In order to make things convenient for the motion of linking arm, can be provided with bearing in the described connecting hole, described linking arm is set in the axis hole of this bearing.
In order to make the detection of the safety valve that this calibration equipment can adaptive plurality of specifications, can be provided with a plurality of circular grooves at described carrier, these grooves arrange with one heart, are provided with O-ring seal in each described groove; Described clamp jaw has two, and these two clamp jaws are symmetrical arranged with respect to described carrier; Be provided with a plurality of screws with respect to each described groove on the length direction of described crossbeam, bolt passes screw and clamp jaw links together described clamp jaw and described crossbeam.
In above-mentioned each scheme, can be provided with the pore that is connected at described carrier and described linking arm, this pore connects described admission line.
For convenient observation and operation, described display screen, described reduction valve, described first, second needle-valve, described first, second tensimeter and described admission line all are arranged on the described support; And also be provided with the quick male joint that is connected with described admission line on the described support.
The output terminal of described pressure transducer also connects the input end that is arranged on the memory module on the described support, and the output terminal of described memory module connects the USB interface that is arranged on the described support.
Drive unit in above-mentioned each scheme can be manually operated hydraulic means, and the piston rod of this hydraulic means connects described linking arm.
Compared with prior art, the utility model provides a kind of volume little, the testing device of safety valve that is convenient for carrying, and, because the utility model also is provided with the data processing module that is connected with safety valve jumping up pressure, therefore detected parameter can be directly delivered to data processing module, processing by data processing module directly shows at display screen, and, data after processing directly can be formed examining report according to program default in the data processing module, and derive by USB interface, improve the robotization Chengdu of whole testing process, shortened sense cycle.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model embodiment assembly structure;
Fig. 2 is the partial sectional view of the utility model embodiment example assembly structure.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, this Portable intelligent testing device of safety valve comprises:
Hydraulic means is arranged on the base of support, is manual hydraulic device, comprises oil pump 71, handle 72 and hydralic pressure gauge 73.The output port of oil pump connects respectively the lower end connector of hydralic pressure gauge 73 and oil cylinder by a three-way connection.
Linking arm 8 is located in the bearing 3, and its two ends are piston rod 74 and the carrier 4 of connecting fluid pressure device respectively.Linking arm is provided with the pore 81 that is connected with pore on the carrier.
Admission line 9, pass instrument box and connect pore 81 and fast male joint 31, admission line be provided with the first needle-valve 92, the switching of control gas outlet of reduction valve 91, the switching of control admission line the second needle-valve 93, be used for showing that admission pressure is the first tensimeter 94 of pressure gas source pressure and the second tensimeter 95 that is used for real safety valve starting pressure to be detected.These instrument and valve all are arranged on the surface of instrument box and observe and operation with convenient.The gas outlet (not shown) is arranged between admission line 9 and the pore, is used for discharging the gas that accumulates between admission line and the safety valve to be detected.
The input end of the output terminal Bonding pressure sensor (not shown) of the second tensimeter 95, the data processing module that the output terminal of this pressure transducer connects, the output terminal of data processing module connects respectively USB interface 32 and display screen 35.
The principle of work of the present embodiment calibration equipment is as follows:
One end of air induction hose is connected with source of the gas, and the other end is connected with quick male joint 31 by quick female joint, confirms to connect correct, air tight everywhere.Check whether the first needle-valve and the second needle-valve close, regulate the reduction valve handle, observe the first rain glass, measuring air pressure is transferred to required numerical value.
Safety valve to be measured is placed on the carrier, O-ring seal and safety valve flange lower surface sealing station on the carrier are fitted, the clamp jaw at moving beam two ends is aimed at safety valve flange upper surface appropriate location with claw.
Clockwise direction screws the stop valve handle of hand oil pump, with descending on hand swinging handle, oil pump output hydraulic pressure oil enters the oil cylinder cavity of resorption, shake several lower after, the hydraulic oil piston rod moves upward, thereby drives carrier and safety valve to be detected rises by linking arm, until safety valve flange upper surface to be detected contacts with two clamp jaws, continue swinging handle, observe simultaneously hydralic pressure gauge numerical value, when hydralic pressure gauge numerical value shows 5 ~ 10Mpa, can clamp.
Rotate very carefully the handle a few degrees of the second needle-valve with the hand clockwise direction, allow gas enter safety valve to be detected through admission line and pore very lentamente, when air pressure reaches the safety valve Pneumatic pressure, safety valve is opened, the force value that is the safety valve unlatching that this moment, the second tensimeter showed, simultaneously, this numerical value can pass to data processing module by pressure transducer, show at display screen, simultaneously, this opening pressure value under the program meeting accurate recording in the data processing module, and carry out data and process; Data after these are processed can derive by USB interface.
After having detected, should rotate first the handle of the second needle-valve with the hand clockwise direction, discharge the gas that accumulates in safety valve and the pore, make the air pressure of pore and safety valve inner chamber reduce to zero; Then counterclockwise unscrew the stop valve handle of hand oil pump, lean on the weight of carrier and safety valve that piston rod will be moved downward, clamp jaw unclamps the clamping to safety valve, takes off safety valve, has finished once test.
If need to detect the safety valve of different size, unclamp the coupling bolt that connects between clamp jaw and the crossbeam, screw on the clamp jaw is corresponded on the screw that is fit on the crossbeam, and then connect with bolt, O-ring seal in the cooperation carrier in the groove of different radii can detect the safety valve of different size at this calibration equipment to the sealing of the safety valve of different size.
Claims (9)
1. Portable intelligent testing device of safety valve, it is characterized in that comprising the base be used to placing safety valve to be detected, be used for the spacing position-limit mechanism on this base of safety valve to be detected, the admission line that is communicated with the gas passage of source of the gas and safety valve to be detected, pressure transducer and data processing module, described admission line is provided with for the first rain glass that shows admission pressure, be used for reduction valve and the first needle-valve that control enters the pressure of the gas in the described safety valve to be detected, also be provided with the gas outlet that is connected with atmosphere on the described admission line, this gas outlet is provided with the second needle-valve; The input end of the described first barometric output terminal Bonding pressure sensor, the output terminal connection data processing module of this pressure transducer, the output terminal of this data processing module connects the display screen that is used for showing release pressure.
2. Portable intelligent testing device of safety valve according to claim 1, it is characterized in that described base comprises support, crossbeam and is used for placing the carrier of described safety valve to be detected, described crossbeam is fixed on the described support, and described carrier is arranged on the described crossbeam; Described position-limit mechanism is to be arranged on clamp jaw on the described crossbeam and that can move up and down with respect to described carrier.
3. Portable intelligent testing device of safety valve according to claim 2, it is characterized in that described carrier is arranged on the top of described crossbeam, and carrier connects driving mechanism by linking arm, described crossbeam is provided with connecting hole, and described linking arm can be arranged in this connecting hole up or down.
4. Portable intelligent testing device of safety valve according to claim 3 is characterized in that being provided with bearing in the described connecting hole, and described linking arm is set in the axis hole of this bearing.
5. Portable intelligent testing device of safety valve according to claim 4 is characterized in that described carrier is provided with a plurality of circular grooves, and these grooves arrange with one heart, are provided with O-ring seal in each described groove; Described clamp jaw has two, and these two clamp jaws are symmetrical arranged with respect to described carrier; Be provided with a plurality of screws with respect to each described groove on the length direction of described crossbeam, bolt passes screw and clamp jaw links together described clamp jaw and described crossbeam.
6. according to claim 3,4 or 5 described Portable intelligent testing device of safety valves, it is characterized in that described carrier and described linking arm are provided with the pore that is connected, this pore connects described admission line.
7. Portable intelligent testing device of safety valve according to claim 6 is characterized in that described display screen, described reduction valve, described first, second needle-valve, described first, second tensimeter and described admission line all are arranged on the described support; And also be provided with the quick male joint that is connected with described admission line on the described support.
8. Portable intelligent testing device of safety valve according to claim 7, the output terminal that it is characterized in that described pressure transducer also connects the input end that is arranged on the memory module on the described support, and the output terminal of described memory module connects the USB interface that is arranged on the described support.
9. Portable intelligent testing device of safety valve according to claim 8 is characterized in that described drive unit is manually operated hydraulic means, and the piston rod of this hydraulic means connects described linking arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422969 CN202770625U (en) | 2012-08-24 | 2012-08-24 | Portable and intelligent detection apparatus for safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422969 CN202770625U (en) | 2012-08-24 | 2012-08-24 | Portable and intelligent detection apparatus for safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770625U true CN202770625U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220422969 Expired - Fee Related CN202770625U (en) | 2012-08-24 | 2012-08-24 | Portable and intelligent detection apparatus for safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770625U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278314A (en) * | 2013-04-28 | 2013-09-04 | 江南大学 | Safety valve check bench |
| CN104215436A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Durability testing system for low-temperature stop valve |
| CN104792465A (en) * | 2014-01-22 | 2015-07-22 | 烟台中集来福士海洋工程有限公司 | Valve detection device and method |
| CN110823558A (en) * | 2019-11-29 | 2020-02-21 | 长庆石油勘探局有限公司技术监测中心 | Pressure testing device and method for compatible safety valve |
-
2012
- 2012-08-24 CN CN 201220422969 patent/CN202770625U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278314A (en) * | 2013-04-28 | 2013-09-04 | 江南大学 | Safety valve check bench |
| CN103278314B (en) * | 2013-04-28 | 2015-08-12 | 江南大学 | Safety valve checkout platform |
| CN104215436A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Durability testing system for low-temperature stop valve |
| CN104792465A (en) * | 2014-01-22 | 2015-07-22 | 烟台中集来福士海洋工程有限公司 | Valve detection device and method |
| CN110823558A (en) * | 2019-11-29 | 2020-02-21 | 长庆石油勘探局有限公司技术监测中心 | Pressure testing device and method for compatible safety valve |
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| 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: 20130306 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |