CN204086224U - A kind of pipeline acoustic emission detection sensor fastening device - Google Patents

A kind of pipeline acoustic emission detection sensor fastening device Download PDF

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Publication number
CN204086224U
CN204086224U CN201420505976.XU CN201420505976U CN204086224U CN 204086224 U CN204086224 U CN 204086224U CN 201420505976 U CN201420505976 U CN 201420505976U CN 204086224 U CN204086224 U CN 204086224U
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CN
China
Prior art keywords
pipeline
fore
acoustic emission
sensor
clip
Prior art date
Application number
CN201420505976.XU
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Chinese (zh)
Inventor
王东东
白文杰
梁灿
段权
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西安交通大学
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Priority to CN201420505976.XU priority Critical patent/CN204086224U/en
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Publication of CN204086224U publication Critical patent/CN204086224U/en

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Abstract

The utility model relates to a kind of pipeline acoustic emission detection sensor fastening device, the compact siro spinning technology that length realizes between pipeline and calibrate AE sensor is goed deep into by what adopt the position of adjustment clip left and right sides pad and fore-set, ensure the accuracy of subsequent acquisition system, realize the widespread use of acoustic emission testing technology in pipe detection.First determined the position of sensor by gauge hole reserved below fore-set, binding post groove, tighten fastening bolt and sensor is fixed well; By clip through pipeline, make pad lay respectively at the two ends of pipeline, make pad and pipeline realize close contact by adjustment bolt; The sensor fixed before being made by rotation fore-set again and pipeline enclosure realize good contact.This device can be the reliability that acoustic emission testing technology provides data acquisition, better evaluation corrosive pipeline seriousness, and carries out classification according to the extent of corrosion of pipeline, determines its sense cycle, ensures that its safety on line runs.

Description

A kind of pipeline acoustic emission detection sensor fastening device
Technical field
The utility model relates to a kind of sensor fastening device, is specifically related to a kind of pipeline acoustic emission detection sensor fastening device.
Background technology
Pipeline, as the basic equipment of the system such as steam Transportation, Oil & Gas Storage, plays decisive role to the general safety reliability service of system.But the leakage caused because of corrosion, diffusion, even explosion accident of burning not only bring tremendous economic to lose to enterprise, but also cause serious environmental pollution, even cause casualties.Therefore regularly safety detection and risk assessment must be carried out to pipeline.
In decades recently, acoustic emission is widely used at petroleum chemical industry as a kind of lossless audio coding technology, plays an important role especially in the key equipments such as pipeline detect.Compared with acoustic emission detection detects with conventional lossless, the most obvious feature is: the signal of first its detection, from material itself, reflects the origin feature of defect; Secondly it focuses on dynamic monitoring, discloses the Changing Pattern of defect formation and development in time.Thus, acoustic emission achieves good effect in all many-sides such as pipe detection, and by time-based for tradition periodic detection, the acoustic emission structural intergrity changed into based on risk assessment detects gradually.According to the result detected, analyze the character of its acoustic emission source, evaluate its seriously corroded, and carry out classification according to the extent of corrosion of pipeline, determine its sense cycle, ensure that its safety on line runs.
Calibrate AE sensor is one of important composition of acoustic emission detection system, is the main tool of carrying out material and element mechanics characteristic research.The accuracy of corrosive pipeline measurement data is decided by a great extent to the compact be connected between sensor with pipeline.At present, the instruments such as usual employing elastic cord, adhesive tape, magnetic holder are fixed sensor, and be limited to the complicacy of industry spot, the tightness of elastic cord, adhesive tape etc. cannot be guaranteed, and magnetic holder cannot use for some pipeline materials, therefore in the urgent need to a kind of device, while the compactedness that sensor is connected with pipeline can be ensured, industry spot is facilitated to use, to promote the application of acoustic emission testing technology in pipe detection better.
Utility model content
The purpose of this utility model is to overcome the shortcoming existed in above-mentioned prior art, a kind of pipeline acoustic emission detection sensor fastening device is provided, have easy for installation, the scope of application is large, adaptability is good, can ensure the compactedness that calibrate AE sensor is connected with pipeline, the accuracy for follow-up data acquisition provides good basis, and the advantage facilitating industry spot to use.
For achieving the above object, the utility model by the following technical solutions: comprise fore-set and clip;
Described clip is U-shaped, comprises intermediate plate and biside plate, and biside plate is all perpendicular with intermediate plate, and intermediate plate runs through fore-set, biside plate all runs through the grip bolt having a pair about fore-set center line symmetry; And for being threaded between fore-set with clip;
The top of described fore-set offers thread groove, and bottom is positioned at the U-shaped inner side of clip, and the bottom of fore-set offers the mounting hole for placing calibrate AE sensor, the sidewall of mounting hole offers binding post groove and fastening bolt holes; The fastening bolt for fixed sound emission sensor is provided with in fastening bolt holes;
The front end of described grip bolt is all fixed with the pad for clamping pipeline.
Described fore-set is solid construction.
Described binding post groove and fastening bolt holes are two, and are symmetrical arranged about the center line of fore-set between two; Radian between any binding post groove and fastening bolt holes is pi/2.
For welding or screw thread are fixed between described grip bolt and pad.
The opposite side of described pad is provided with rubber blanket.
Described fore-set, clip and pad are stainless steel material.
The diameter of described fore-set is 20mm ~ 50mm.
The utility model has following beneficial effect: prior art of comparing, and the utility model is by arranging fore-set and clip, and clip is U-shaped, comprises intermediate plate and biside plate, biside plate all runs through the grip bolt having a pair about fore-set center line symmetry; And for being threaded between fore-set with clip; The top of fore-set offers thread groove, and bottom is positioned at the U-shaped inner side of clip, and the bottom of fore-set offers the mounting hole for placing calibrate AE sensor, the sidewall of mounting hole offers binding post groove and fastening bolt holes; The fastening bolt for fixed sound emission sensor is provided with in fastening bolt holes; The front end of grip bolt is all fixed with the pad for clamping pipeline.What adopt the position of adjustment clip left and right sides pad and fore-set gos deep into the compact siro spinning technology that length realizes between pipeline and calibrate AE sensor, ensures the accuracy of subsequent acquisition system, realizes the widespread use of acoustic emission testing technology in pipe detection.First determined the position of sensor by gauge hole reserved below fore-set, binding post groove, tighten fastening bolt and sensor is fixed well; By clip through pipeline, make pad lay respectively at the two ends of pipeline, make pad and pipeline realize close contact by adjustment bolt; The sensor fixed before being made by rotation fore-set again and pipeline enclosure realize good contact.This device can be the reliability that acoustic emission testing technology provides data acquisition, better evaluation corrosive pipeline seriousness, and carries out classification according to the extent of corrosion of pipeline, determines its sense cycle, ensures that its safety on line runs.And device is easy for installation, the scope of application is large, and adaptability is good.Be applicable to large-scale promotion use.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is the structural drawing of fore-set.
In figure: 1: fore-set; 2: clip; 3: grip bolt; 4: pad; 5: mounting hole; 6: binding post groove; 7: fastening bolt; 8: calibrate AE sensor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model comprises solid and outside side wall is offered threaded fore-set 1 and clip 2; The diameter of fore-set 1 is 20mm ~ 50mm; Clip 2 is U-shaped, and biside plate is all perpendicular with intermediate plate, intermediate plate runs through and has fore-set 1, biside plate all runs through the grip bolt 3 having a pair about fore-set 1 center line symmetry; And for being threaded between fore-set 1 with clip 2; The top of fore-set 1 offers thread groove, and bottom is positioned at inside clip 2U type, and the bottom of fore-set 1 offers the mounting hole 5 for placing calibrate AE sensor 8, the sidewall of mounting hole 5 offers binding post groove 6 and fastening bolt holes; The fastening bolt 7 for fixed sound emission sensor 8 is provided with in fastening bolt holes; The front end of grip bolt 3 is all welded or screw thread is fixed with pad 4 for clamping pipeline.Binding post groove 6 and fastening bolt holes are two, and are symmetrical arranged about the center line of fore-set 1 between two; Radian between any binding post groove 6 and fastening bolt holes is pi/2; The opposite side of pad 4 is provided with rubber blanket.Fore-set 1, clip 2 and pad 4 are stainless steel material.
When grip bolt 3 and pad 4 are fixed for screw thread, pad 4 offers the threaded hole matched with grip bolt 3.
Because this device gos deep into by what adopt the position of adjustment clip 2 left and right sides pad 4 and fore-set 1 the compact siro spinning technology that length realizes between pipeline and calibrate AE sensor 8, the accuracy of subsequent acquisition system can be ensured, realize the widespread use of acoustic emission testing technology in pipe detection; The calibrate AE sensor 8 varied in size is gone for by the fastening bolt 7 on adjustment fore-set 1; The different pipeline of external diameter is gone for by the grip bolt 3 adjusting clip about 2.
The utility model has the advantage of:
1, go deep into by the position of adjustment clip 2 left and right sides pad 4 and fore-set the compact siro spinning technology that length realizes between pipeline and calibrate AE sensor 8, the accuracy of subsequent acquisition system can be ensured;
2, by the fastening bolt 7 on adjustment fore-set 1, this device goes for the calibrate AE sensor 8 varied in size;
3, by the grip bolt 3 of adjustment clip about 2, this device goes for the different pipeline of external diameter;
4, this device is small and exquisite, light, is easy to install, and not for piping system provides additional mass, is convenient to industry spot and uses.
The use step of this device is as follows:
1, calibrate AE sensor 8 is put into hole reserved below fore-set, rotation sensor 8 makes binding post also enter in corresponding binding post groove 6 simultaneously, and adjustment fastening bolt 7 makes sensor fix the lower end with fore-set 1;
2, clip 2 is passed pipeline, make pad 4 lay respectively at the two ends of pipeline, make pad and pipeline realize close contact by adjustment grip bolt 3;
3, rotating fore-set 1 makes the sensor that fixes and pipeline enclosure realize good fixing;
4, open acoustic emission detection system, detect acoustic emission signal, realize the evaluation to pipe safety situation.
The foregoing is only a kind of embodiment of the present utility model, it not whole or unique embodiment, the conversion of those of ordinary skill in the art by reading the utility model instructions to any equivalence that technical solutions of the utility model are taked, is claim of the present utility model and contains.

Claims (7)

1. a pipeline acoustic emission detection sensor fastening device, is characterized in that: comprise fore-set (1) and clip (2);
Described clip (2) is for U-shaped, comprise intermediate plate and biside plate, biside plate is all perpendicular with intermediate plate, intermediate plate runs through and has fore-set (1), biside plate all runs through the grip bolt (3) having a pair about fore-set (1) center line symmetry; And for being threaded between fore-set (1) with clip (2);
The top of described fore-set (1) offers thread groove, bottom is positioned at clip (2) U-shaped inner side, and the bottom of fore-set (1) offers the mounting hole (5) for placing calibrate AE sensor (8), the sidewall of mounting hole (5) offers binding post groove (6) and fastening bolt holes; The fastening bolt (7) for fixed sound emission sensor (8) is provided with in fastening bolt holes;
The front end of described grip bolt (3) is all fixed with the pad (4) for clamping pipeline.
2. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: described fore-set (1) is solid construction.
3. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: described binding post groove (6) and fastening bolt holes are two, and are symmetrical arranged about the center line of fore-set (1) between two; Radian between any binding post groove (6) and fastening bolt holes is pi/2.
4. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: for be welded and fixed or screw thread is fixed between described grip bolt (3) and pad (4).
5. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: the opposite side of described pad (4) is provided with rubber blanket.
6. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: described fore-set (1), clip (2) and pad (4) are stainless steel material.
7. a kind of pipeline acoustic emission detection sensor fastening device according to claim 1, is characterized in that: the diameter of described fore-set (1) is 20mm ~ 50mm.
CN201420505976.XU 2014-09-03 2014-09-03 A kind of pipeline acoustic emission detection sensor fastening device CN204086224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420505976.XU CN204086224U (en) 2014-09-03 2014-09-03 A kind of pipeline acoustic emission detection sensor fastening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420505976.XU CN204086224U (en) 2014-09-03 2014-09-03 A kind of pipeline acoustic emission detection sensor fastening device

Publications (1)

Publication Number Publication Date
CN204086224U true CN204086224U (en) 2015-01-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104677994A (en) * 2015-02-09 2015-06-03 四川大学 Integrated acoustic emission testing sensor locating device for rock damage test
CN104764809A (en) * 2015-02-09 2015-07-08 四川大学 Adjustable acoustic emission testing sensor positioning device used for rock damage test
CN104764810A (en) * 2015-02-09 2015-07-08 四川大学 Assembled acoustic emission testing sensor positioning device used for rock damage test
CN106546664A (en) * 2016-11-22 2017-03-29 重庆交通大学 A kind of auxiliary device of Steel Wire Surface placement sensor
CN104634864B (en) * 2015-02-06 2018-04-20 中国计量学院 A kind of metal magnetic memory sensor vertical fixing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104634864B (en) * 2015-02-06 2018-04-20 中国计量学院 A kind of metal magnetic memory sensor vertical fixing device
CN104677994A (en) * 2015-02-09 2015-06-03 四川大学 Integrated acoustic emission testing sensor locating device for rock damage test
CN104764809A (en) * 2015-02-09 2015-07-08 四川大学 Adjustable acoustic emission testing sensor positioning device used for rock damage test
CN104764810A (en) * 2015-02-09 2015-07-08 四川大学 Assembled acoustic emission testing sensor positioning device used for rock damage test
CN106546664A (en) * 2016-11-22 2017-03-29 重庆交通大学 A kind of auxiliary device of Steel Wire Surface placement sensor

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C14 Grant of patent or utility model
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: 20150107

Termination date: 20160903