CN206973283U - External pipeline infrasound leak detector - Google Patents
External pipeline infrasound leak detector Download PDFInfo
- Publication number
- CN206973283U CN206973283U CN201720338067.5U CN201720338067U CN206973283U CN 206973283 U CN206973283 U CN 206973283U CN 201720338067 U CN201720338067 U CN 201720338067U CN 206973283 U CN206973283 U CN 206973283U
- Authority
- CN
- China
- Prior art keywords
- anchor ear
- infrasound
- seat board
- piezoelectric
- piston
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model belongs to Oil ＆ Gas Pipeline Testing field, more particularly, to a kind of external pipeline infrasound leak detector, it is characterized in that including being threadedly coupled the anchor ear device formed by anchor ear I and anchor ear II, the detection means being connected with this anchor ear device, anchor ear I is provided with opening, herein connecting tube is provided with opening, sealing ring is provided with this connecting tube, detection means includes piston cylinder, the piston of piston cylinder is successively set on from top to bottom, seat board and cover plate, the locating shaft being arranged in cavity, it is set in the insulating barrier of locating shaft periphery, infrasound piezoelectric transducer, conductive plate, the piezoelectric detection instrument being arranged in instrument bin.Detection means can be installed to the optional position of oil-gas pipeline by the utility model; improve the specific aim and precision of detection; and it is easy to adjust seat board; effectively protection piezoelectric detection instrument; so that the detection of oil-gas pipeline is more precisely stablized, it is easy to testing staff correctly to judge oil-gas pipeline leak case.
Description
Technical field
The utility model belongs to Oil ＆ Gas Pipeline Testing field, is revealed more particularly, to a kind of external pipeline infrasound
Detector.
Background technology
Because the oil and gas pipeline of oil field production is located at field more, pipeline oil gas corrosion in external corrosion and pipe is double
Heavy corrosion influences, and easily causes pipeline and leaks.Can be by way of manual inspection and detection flows for a large amount of leakages
Detected, and be just difficult to for minor leakage.For the detection of oil-gas pipeline minor leakage, mostly using outside pipeline
Acoustic detector (acoustic wave piezoelectric sensor and piezoelectric detection instrument) is put, in order to avoid acoustic detector is by external environment influence, is carried
High measurement accuracy and detection efficiency, detection means is connected with oil-gas pipeline using flange, by fluids within pipes because caused by leakage
Infrasound, the piezoelectric transducer being directly fed back to by oil gas medium in pipe in pipe, coordinate outside piezoelectric detection instrument so that inspection
It is stronger to survey antijamming capability, detection efficiency is stronger.But there is problems with this detection mode：
1st, connected using flange, oil gas medium is directly fed back to piezoelectric transducer, detection means can be only installed at oil gas
The position of the flange connection of pipeline, position and the quantity of detection means are limited, testing result has very big uncertainty, no
Beneficial to correct judgement of the testing staff to oil-gas pipeline leak case.
2nd, the oil gas medium in oil-gas pipeline is influenceed by inside and outside environment, and detection means easily loosens, to piezoelectricity
Detector causes extruding to damage, and influences the normal operation of piezoelectric detection instrument, and the leak detection to oil-gas pipeline brings inconvenience.
The content of the invention
The purpose of this utility model is to provide a kind of times that detection means neatly can not only be arranged on to oil-gas pipeline
Meaning position, and it is easy to adjust, effectively protect piezoelectric detection instrument, it is ensured that the efficiency of leak detection and the external pipeline of precision
Infrasound leak detector.
The purpose of this utility model is realized by following technical proposals：
External pipeline infrasound leak detector of the present utility model, it is characterised in that including by anchor ear I and anchor ear II
The anchor ear device of threaded connection composition, the detection means being connected with this anchor ear device,
Described anchor ear I is provided with opening, is provided with connecting tube in opening herein, sealing ring is provided with this connecting tube,
Described detection means includes being arranged on the piston cylinder of the bottom of anchor ear I, sets gradually live herein from top to bottom
Piston, seat board and cover plate in plug tube, the locating shaft being arranged in the cavity formed by the piston and seat board, are arranged herein
The insulating barrier of locating shaft periphery, is arranged the infrasound piezoelectric transducer outside this insulating barrier, is arranged on this acoustic wave piezoelectric sensing
Conductive plate on device, the piezoelectric detection instrument being arranged in the instrument bin formed by the seat board and cover plate, it is arranged on described
The connecting rod at seat board both ends, connect the wire I of the conductive plate and the piezoelectric detection instrument, connect the piezoelectric detection instrument and
The wire II of the piston cylinder, the seat board adjusting means of the seat board and cover plate is connected,
Described piston is arranged on the lower section of described connecting tube, and described locating shaft is fixed with described piston base to be connected
Connect, be slidably connected in the chute that described connecting rod is embedded on the piston cylinder inwall and with piston barrel,
Described seat board adjusting means includes sleeve, and what is set in this sleeve and be threadedly coupled with described seat board is flexible
Bar, the rotation bar assembly being threadedly coupled below this expansion link and with the expansion link,
Described sleeve is provided with screwed hole I, and described expansion link side is provided with positioning hole and bolt, and described determines
Position bolt connects described sleeve and expansion link through described screwed hole I with positioning hole,
Described rotation bar assembly includes the swingle of top strap bolt, the packing ring being arranged on the bolt, is arranged on
The knob and end cap of this swingle bottom, the bolt on described swingle top are connected with described expansion link bottom thread, institute
The knob and end cap stated are located at the outside of the piston cylinder.
Cross-sectional area gradually expands described sealing ring from top to bottom.
Described connecting tube is between anchor ear I and anchor ear II.
Described infrasound piezoelectric transducer and conductive plate are cyclic structure, and described infrasound piezoelectric transducer is
Two groups, described conductive plate is arranged between two groups of described infrasound piezoelectric transducers.
The cover plate is threadedly coupled with piston cylinder.
The advantages of the utility model：
(1), detection means can be installed to the optional position of oil-gas pipeline by the utility model, improve being directed to for detection
Property and precision, and be easy to adjust seat board, piezoelectric detection instrument effectively protected, so that the detection of oil-gas pipeline is more precisely steady
It is fixed, it is easy to testing staff correctly to judge oil-gas pipeline leak case；
(2), the utility model is by turn knob, and adjustable telescopic rod motion, it is stable convenient to adjust, and further optimizes this
Device；
(3), sealing ring cross-sectional area of the present utility model gradually expands from top to bottom, in round table-like, enhances Oil/Gas Pipe
Seal between road and connecting tube；
(4), cover plate of the present utility model is threadedly coupled with piston cylinder, convenient disassembly, is advantageous to detect piezoelectric detection instrument
Situation, stable connection, be advantageous to application of the cover plate in oil-gas pipeline external environment condition.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model seat board adjusting means.
Fig. 3 is the utility model I portions enlarged drawing.
Fig. 4 is the utility model II portions enlarged drawing.
Embodiment
Specific embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 1,2,3 and 4, external pipeline infrasound leak detector of the present utility model, it is characterised in that bag
Include and the anchor ear device formed is threadedly coupled by anchor ear I 1 and anchor ear II 2, the detection means being connected with this anchor ear device,
Described anchor ear I 1 is provided with opening, is provided with connecting tube 3 in opening herein, sealing ring is provided with this connecting tube 3
4,
Described detection means includes being arranged on the piston cylinder 5 of the bottom of anchor ear I 1, sets gradually from top to bottom herein
Piston 6, seat board 7 and cover plate 14 in piston cylinder 5, the positioning being arranged in the cavity 8 formed by the piston 6 and seat board 7
Axle 9, the insulating barrier 10 in the periphery of this locating shaft 9 is arranged, is arranged the infrasound piezoelectric transducer 11 outside this insulating barrier 10, set
Conductive plate 12 on this infrasound piezoelectric transducer 11, it is arranged on the instrument bin formed by the seat board 7 and cover plate 14
Piezoelectric detection instrument 16 in 15, the connecting rod 13 at the both ends of seat board 7 is arranged on, connects the conductive plate 12 and the piezoelectricity
The wire I 17 of detector 16, the wire II 18 of the piezoelectric detection instrument 16 and the piston cylinder 5 is connected, connect the He of seat board 7
The seat board adjusting means of cover plate 14,
Described piston 6 is arranged on the lower section of described connecting tube 3, and described locating shaft 9 is consolidated with the described bottom of piston 6
Fixed connection, the chute that described connecting rod 13 is embedded on the inwall of piston cylinder 5 is interior and is slidably connected with the wall of piston cylinder 5,
Described seat board adjusting means includes sleeve 19, sets in this sleeve 19 and is threadedly coupled with described seat board 7
Expansion link 22, positioned at the lower section of this expansion link 22 and the rotation bar assembly being threadedly coupled with the expansion link 22,
Described sleeve 19 is provided with screwed hole I 20, and the described side of expansion link 22 is provided with positioning hole 23 and bolt
21, described bolt 21 connects described sleeve 19 and expansion link 22 through described screwed hole I 20 and positioning hole 23,
Described rotation bar assembly includes the swingle 25 of top strap bolt 24, the packing ring being arranged on the bolt 24
26, knob 28 and end cap 27 in the bottom of this swingle 25 are set, and the bolt 24 on the described top of swingle 25 is stretched with described
The bottom thread of contracting bar 22 connects, and described knob 28 and end cap 27 are located at the outside of the piston cylinder 5, by turn knob 28,
Adjustable telescopic rod 22 moves, and it is stable convenient to adjust, and further optimizes the present apparatus.
Cross-sectional area gradually expands described sealing ring 4 from top to bottom, in round table-like, enhances oil-gas pipeline and connecting tube
Seal between 3.
Described connecting tube 3 is between anchor ear I 1 and anchor ear II 2.
Described infrasound piezoelectric transducer 11 and conductive plate 12 is cyclic structure, described infrasound piezoelectric sensing
Device 11 is two groups, and described conductive plate 12 is arranged between two groups of described infrasound piezoelectric transducers 11.
The cover plate 14 is threadedly coupled with piston cylinder 5, convenient disassembly, is advantageous to detect the situation of piezoelectric detection instrument 16, even
Connect firm, be advantageous to application of the cover plate 14 in oil-gas pipeline external environment condition.
External pipeline infrasound leak detector is arranged on outside oil-gas pipeline, and the position detected is needed on oil-gas pipeline
Perforate, then connecting tube 3 extend into oil-gas pipeline, after anchor ear I 1 and anchor ear II 2 are bolted fastening, from pipeline
Interior oil gas medium will be delivered on infrasound piezoelectric transducer 11 because of sound wave caused by leakage in time, by supporting piezoelectric detection
Instrument 16 can monitor whether oil-gas pipeline has leakage in real time.The utility model can be installed on oil-gas pipeline it is multiple, and install
Position also allows for adjusting, flexible for installation, can easily be revealed in the pipe welding seam of oil-gas pipeline, threeway, flange and deformation section etc.
Opening position is flexibly installed, and improves the specific aim and precision of detection, and is easy to adjust seat board, effectively protects piezoelectric detection instrument,
So that the detection of oil-gas pipeline is more precisely stablized, it is easy to testing staff correctly to sentence oil-gas pipeline leak case
It is disconnected.
Claims (6)
1. a kind of external pipeline infrasound leak detector, it is characterised in that including by anchor ear I and the threaded connection group of anchor ear II
Into anchor ear device, the detection means being connected with this anchor ear device,
Described anchor ear I is provided with opening, is provided with connecting tube in opening herein, sealing ring is provided with this connecting tube,
Described detection means includes being arranged on the piston cylinder of the bottom of anchor ear I, sets gradually from top to bottom in this piston cylinder
Interior piston, seat board and cover plate, the locating shaft being arranged in the cavity formed by the piston and seat board, is arranged and positions herein
The insulating barrier of axle periphery, is arranged the infrasound piezoelectric transducer outside this insulating barrier, is arranged on this acoustic wave piezoelectric sensor
Conductive plate, the piezoelectric detection instrument being arranged in the instrument bin formed by the seat board and cover plate, be arranged on the seat board
The connecting rod at both ends, the wire I of the conductive plate and the piezoelectric detection instrument is connected, connect the piezoelectric detection instrument and described
The wire II of piston cylinder, the seat board adjusting means of the seat board and cover plate is connected,
Described piston is arranged on the lower section of described connecting tube, and described locating shaft is fixedly connected with described piston base,
It is slidably connected in the chute that described connecting rod is embedded on the piston cylinder inwall and with piston barrel.
2. external pipeline infrasound leak detector according to claim 1, it is characterised in that described seat board regulation
Device includes sleeve, the expansion link for setting in this sleeve and being threadedly coupled with described seat board, below this expansion link and
The rotation bar assembly being threadedly coupled with the expansion link,
Described sleeve is provided with screwed hole I, and described expansion link side is provided with positioning hole and bolt, described positioning spiral shell
Bolt connects described sleeve and expansion link through described screwed hole I with positioning hole,
Described rotation bar assembly includes the swingle of top strap bolt, the packing ring being arranged on the bolt, and setting is revolved herein
The knob and end cap of bull stick bottom, the bolt on described swingle top is connected with described expansion link bottom thread, described
Knob and end cap are located at the outside of the piston cylinder.
3. external pipeline infrasound leak detector according to claim 1, it is characterised in that described sealing ring from
On down cross-sectional area gradually expand.
4. external pipeline infrasound leak detector according to claim 1, it is characterised in that described connecting tube position
Between anchor ear I and anchor ear II.
5. external pipeline infrasound leak detector according to claim 1, it is characterised in that described infrasonic sound wave pressure
Electric transducer and conductive plate are cyclic structure, and described infrasound piezoelectric transducer is two groups, and described conductive plate is set
Put between two groups of described infrasound piezoelectric transducers.
6. external pipeline infrasound leak detector according to claim 1, it is characterised in that the cover plate and piston
Cylinder threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338067.5U CN206973283U (en) | 2017-04-01 | 2017-04-01 | External pipeline infrasound leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338067.5U CN206973283U (en) | 2017-04-01 | 2017-04-01 | External pipeline infrasound leak detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973283U true CN206973283U (en) | 2018-02-06 |
Family
ID=61413562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338067.5U Expired - Fee Related CN206973283U (en) | 2017-04-01 | 2017-04-01 | External pipeline infrasound leak detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518586A (en) * | 2018-04-10 | 2018-09-11 | 浙江科技学院 | Detection city landslide causes Gas Pipe to bury the packaged type device for squeezing off leakage |
| CN109268693A (en) * | 2018-10-08 | 2019-01-25 | 广州特种承压设备检测研究院 | A kind of positioning mechanism of pipeline compression recovery test |
| CN110005962A (en) * | 2019-05-05 | 2019-07-12 | 湖北震泰建设工程质量检测有限责任公司 | A kind of pipeline leakage monitor and method based on Piezoelectric Impedance frequency displacement |
-
2017
- 2017-04-01 CN CN201720338067.5U patent/CN206973283U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518586A (en) * | 2018-04-10 | 2018-09-11 | 浙江科技学院 | Detection city landslide causes Gas Pipe to bury the packaged type device for squeezing off leakage |
| CN109268693A (en) * | 2018-10-08 | 2019-01-25 | 广州特种承压设备检测研究院 | A kind of positioning mechanism of pipeline compression recovery test |
| CN110005962A (en) * | 2019-05-05 | 2019-07-12 | 湖北震泰建设工程质量检测有限责任公司 | A kind of pipeline leakage monitor and method based on Piezoelectric Impedance frequency displacement |
| CN110005962B (en) * | 2019-05-05 | 2023-11-03 | 湖北震泰建设工程质量检测有限责任公司 | Pipeline leakage monitoring device and method based on piezoresistor anti-frequency shift |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206973283U (en) | External pipeline infrasound leak detector | |
| CN207502127U (en) | A kind of camshaft air-tightness and oilhole plug compressive property detection device | |
| CN205157112U (en) | Tube -shape pressure sensor calibration device | |
| CN108643891B (en) | Single-loop overburden fracture double-end plugging and leakage detection method | |
| CN110440999A (en) | The experimental rig that special thread oil casing leakproofness monitors under a kind of dynamic load operating condition | |
| CN203310562U (en) | Device for directly measuring concrete lateral pressure | |
| CN205940904U (en) | A leak characteristic test device for W ring between turbine casing | |
| CN103063399A (en) | Framed bent device for wind tunnel flow field | |
| CN108645774B (en) | Single-loop overburden fracture double-end plugging leakage detection system | |
| CN206683965U (en) | A kind of non-adherent flexible pipe crush resistance measurement apparatus | |
| CN203024954U (en) | Frame bent device for flow field test of wind tunnel | |
| CN202708601U (en) | Leakage detecting device for external oil-gas pipeline | |
| CN201876378U (en) | Integral temperature, pressure and flow measurement and sampling device | |
| CN104122042A (en) | Pressure resistance testing method of large-diameter welding structure metal pipeline | |
| CN205530202U (en) | Weight moves, rams effort and rams real -time synchronization monitor of volume of sinking under water | |
| CN207263394U (en) | Pipe joint gas leakage collection device | |
| CN106402662B (en) | A kind of pipeline fluid leak detecting device | |
| CN215891462U (en) | Natural gas conveying pipeline joint | |
| CN206439557U (en) | The hydrostatic compression testing device of pipeline with joint | |
| CN204479298U (en) | A kind of pressure survey base of engine charge flexible pipe | |
| CN201844951U (en) | Quick pressure testing device of water tube for cooling wall of blast furnace | |
| CN204447055U (en) | A kind of dry powder leaks powder checkout gear and the combustion and explosion suppression device with this device | |
| CN202708602U (en) | Leakage detecting device for internal oil-gas pipeline | |
| CN206802769U (en) | Built-in pipeline infrasound leak detector | |
| CN102756270A (en) | Method for adjusting perpendicularity between connecting flange interface plane and stern shaft axis line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190401 |