CN203259507U - Device for fixing and adjusting sensors - Google Patents
Device for fixing and adjusting sensors Download PDFInfo
- Publication number
- CN203259507U CN203259507U CN 201320240058 CN201320240058U CN203259507U CN 203259507 U CN203259507 U CN 203259507U CN 201320240058 CN201320240058 CN 201320240058 CN 201320240058 U CN201320240058 U CN 201320240058U CN 203259507 U CN203259507 U CN 203259507U
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- sensor
- coaxial cable
- cable interface
- fixed band
- anchor clamps
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a device for fixing and adjusting sensors. The device surrounds the excircle of a pipeline and comprises sensing devices, adjusting devices and a fixing band, wherein the fixing band surrounds the excircle of the pipeline; a plurality of adjusting devices are arranged along the length direction of the fixing band; the sensing devices are movably arranged inside the adjusting devices; each adjusting device comprises an adjusting screw, a clamp and a baffle; each sensing device comprises a sensor, a sensor shell and a coaxial cable interface; the sensor comprises a piezoelectric element and a backing layer; and a plurality of coaxial cable interface holes II, adjusting screw holes and fixing band connecting holes are formed in the fixing band. The device has the beneficial effects that the numbers of the sensing devices and the adjusting devices can be adjusted according to the pipe diameter, so that detection of different pipe diameters can be achieved; the piezoelectric elements protrude out of the lower ends of the backing layers, so that guided waves can be ensured to be efficiently transmitted into the pipeline; and the coaxial cable interfaces are connected with leads of the piezoelectric elements, so that the electromagnetic interference of the connecting wires can be eliminated and the accuracy of detection can be ensured.
Description
Technical field
The utility model relates to a kind of secured adjusted device, more particularly relates to a kind of device of secured adjusted sensor.
Background technology
At present, that the conventional method of pipeline Non-Destructive Testing mainly contains is ultrasonic, ray, magnetic, infiltration and eddy-current technique, but these detection techniques have its defective that can't overcome, for example: must carry out the off-line pointwise and detect, detection efficiency is low and will remove the clad of pipeline, and troublesome poeration and cost are high.
The supersonic guide-wave technology is a kind of online measuring technique, encourages the health status that just can obtain whole pipeline at a place, overcomes the technology that the pointwise of conventional sense Technology Need detects, and greatly improves detection efficiency.The longitudinal mode guided wave is axisymmetricly type propagation in pipeline, and velocity of propagation is the fastest in the low frequency field, and the flaw echo position that receives is positioned at before the clutter, and these characteristics of longitudinal mode guided wave become the study hotspot that the pipe ultrasonic guided wave detects.But because the complicacy (such as corrosion, Dian Keng) of pipe surface situation, the guided wave that sensor encourages fails to import into efficiently pipeline, causes the signal energy loss serious; In addition, at present the supersonic guide-wave sensor fastening device only for the design of single caliber, when pipe diameter size changes, then needs to carry a plurality of sensor fastening devices, and not only loading and unloading are difficult and take time and effort.
Summary of the invention
The purpose of this utility model provides a kind of sensor secured adjusted device that can load and unload fast, adapt to different tube diameters.
The utility model is achieved by the following technical programs:
A kind of secured adjusted device of sensor, this device ring comprises sensing device, regulating device, fixed band on the cylindrical that is arranged on pipeline, anchor band is on the cylindrical that is arranged on pipeline, along the fixed band length direction several regulating devices are set, sensing device is movably arranged on regulating device inside; Regulating device comprises set screw, anchor clamps, baffle plate, anchor clamps inside is provided with an anchor clamps cavity, the anchor clamps cavity is the inverted "convex" shape shape, be provided with a concentric cable interface holes one in anchor clamps cavity upper end, respectively be provided with a set screw in one both sides, coaxial cable interface hole, set screw is in the anchor clamps cavity, and the anchor clamps two sides respectively are provided with a baffle plate; Sensing device comprises sensor, sensor housing, coaxial cable interface, sensor housing is inverted "convex" shape shape housing, its upper end is provided with coaxial cable interface, sensor comprises piezoelectric element, back sheet, piezoelectric element waters and casts from the back sheet lower end, the lead-in wire of piezoelectric element is connected with coaxial cable interface, and sensor is fixedly installed on the lower end of sensor housing by back sheet; Fixed band is provided with several coaxial cable interface holes two, the set screw hole, the fixed band connecting hole, middle part along the fixed band length direction is provided with several coaxial cable interface holes two, both sides along coaxial cable interface hole two outside in are respectively equipped with several fixed band connecting holes, the set screw hole, sensing device is connected in the anchor clamps cavity inverted "convex" shape shape of anchor clamps by the inverted "convex" shape shape of sensor housing, the coaxial cable interface of sensing device is connected in the coaxial cable interface hole one of anchor clamps successively, in the coaxial cable interface hole two of fixed band, set screw is passed the set screw hole of fixed band, and regulating device is passed the fixed band connecting hole by screw and is arranged on the fixed band.
The purpose of this utility model can also further realize by following technical measures:
The secured adjusted device of aforesaid sensor, the piezoelectric element lower end of sensor is provided with a protective seam.
The secured adjusted device of aforesaid sensor, the piezoelectric element of sensor protrudes from the lower end of back sheet.
The secured adjusted device of aforesaid sensor, fixed band are the PVC material.
The utility model on the cylindrical of pipeline, according to the number of pipe diameter size regulating sensing device, regulating device, can be realized the detection of different tube diameters by pliable and tough PVC anchor band, fixed band is joined end to end can fix fixed band, and is easy to operate; By set screw the sensor and the pipeline that are connected in the anchor clamps are fitted tightly, piezoelectric element protrudes from the lower end of back sheet simultaneously, can guarantee that guided wave efficiently imports in the pipeline; Because the intensity of piezoelectric element is not high, is provided with protective seam on its surface, can improve wearing quality and the intensity of piezoelectric element; In order to eliminate the electromagnetic interference (EMI) of connecting line, adopt coaxial cable interface to connect the lead-in wire of piezoelectric element, guarantee the accuracy that detects.
Advantage and disadvantage of the present utility model will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is regulating device front view of the present utility model;
Fig. 3 is B-B cut-open view of the present utility model;
Fig. 4 is sensing device front view of the present utility model;
Fig. 5 is sensing device left view of the present utility model;
Fig. 6 is the wiring layout of regulating device of the present utility model, sensing device;
Fig. 7 is A enlarged drawing of the present utility model;
Fig. 8 is fixed band front view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises sensing device 1, regulating device 2, fixed band 3, and fixed band 3 is the PVC material, and it can be around on the cylindrical that is arranged on pipeline 4, along fixed band 3 length directions 10 regulating devices 2 are set, sensing device 1 is movably arranged on regulating device 2 inside.
Shown in Fig. 2,3, regulating device 2 comprises set screw 20, anchor clamps 21, baffle plate 22, anchor clamps 21 inside are provided with an anchor clamps cavity 210, anchor clamps cavity 210 is the inverted "convex" shape shape, be provided with a concentric cable interface holes 1 in anchor clamps cavity 210 upper ends, respectively be provided with a set screw 20 in one 211 both sides, coaxial cable interface hole, set screw 20 is in anchor clamps cavity 210, and anchor clamps 21 two sides respectively are provided with a baffle plate 22.
As shown in Figure 4, sensing device 1 comprises sensor 10, sensor housing 11, coaxial cable interface 12, and sensor housing 11 is inverted "convex" shape shape housing, and its upper end is provided with coaxial cable interface 12; Such as Fig. 5, shown in Figure 7; sensor 10 comprises piezoelectric element 101, back sheet 102, protective seam 103; piezoelectric element 101 waters and casts from back sheet 102 lower ends; piezoelectric element 101 lower ends are provided with a protective seam 103; the lead-in wire of piezoelectric element 101 is connected with coaxial cable interface 12; sensor 10 is fixedly installed on the lower end of sensor housing 11 by back sheet 102, and piezoelectric element 101 protrudes from the lower end of back sheet 102.
As shown in Figure 8, fixed band 3 is provided with several coaxial cable interface holes 2 30, set screw hole 31, fixed band connecting hole 32, middle part along the fixed band length direction is provided with several coaxial cable interface holes 2 30, outside in is respectively equipped with several fixed band connecting holes 32, set screw hole 31 along the both sides in coaxial cable interface hole two.
As shown in Figure 6, sensing device 1 is connected in the anchor clamps cavity 210 inverted "convex" shape shapes of anchor clamps 21 by the inverted "convex" shape shape of sensor housing 11, the coaxial cable interface 12 of sensing device 1 is connected in the coaxial cable interface hole 2 30 of coaxial cable interface hole 1, fixed band 3 of anchor clamps 21 successively, the set screw hole 31 that set screw 20 is passed fixed band 3 is tightened on the regulating device and jam sensor 10, and regulating device 2 is passed fixed band connecting hole 32 by screw and is arranged on the fixed band 3.
With fixed band 3 around on the cylindrical that is arranged on pipeline 4, it is connected by screw fixing from beginning to end, tighten set screw 20, sensor 10 is pressed on the cylindrical of pipeline 4, can detect this moment, after the end to be detected, unclamp end to end screw and this device can be unloaded, according to different caliber changeable regulating device and sensing devices.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (4)
1. the secured adjusted device of a sensor, this device ring is on the cylindrical that is arranged on pipeline, it is characterized in that: comprise sensing device, regulating device, fixed band, described anchor band is on the cylindrical that is arranged on pipeline, along the fixed band length direction several regulating devices are set, described sensing device is movably arranged on regulating device inside; Described regulating device comprises set screw, anchor clamps, baffle plate, described anchor clamps inside is provided with an anchor clamps cavity, the anchor clamps cavity is the inverted "convex" shape shape, be provided with a concentric cable interface holes one in described anchor clamps cavity upper end, respectively be provided with a set screw in one both sides, described coaxial cable interface hole, described set screw is in the anchor clamps cavity, and described anchor clamps two sides respectively are provided with a baffle plate; Described sensing device comprises sensor, sensor housing, coaxial cable interface, described sensor housing is inverted "convex" shape shape housing, its upper end is provided with coaxial cable interface, described sensor comprises piezoelectric element, back sheet, described piezoelectric element waters and casts from the back sheet lower end, the lead-in wire of described piezoelectric element is connected with coaxial cable interface, and described sensor is fixedly installed on the lower end of sensor housing by back sheet; Described fixed band is provided with several coaxial cable interface holes two, the set screw hole, the fixed band connecting hole, middle part along the fixed band length direction is provided with several coaxial cable interface holes two, both sides along coaxial cable interface hole two outside in are respectively equipped with several fixed band connecting holes, the set screw hole, described sensing device is connected in the anchor clamps cavity inverted "convex" shape shape of anchor clamps by the inverted "convex" shape shape of sensor housing, the coaxial cable interface of sensing device is connected in the coaxial cable interface hole one of anchor clamps successively, in the coaxial cable interface hole two of fixed band, set screw is passed the set screw hole of fixed band, and regulating device is passed the fixed band connecting hole by screw and is arranged on the fixed band.
2. the secured adjusted device of sensor as claimed in claim 1, it is characterized in that: the piezoelectric element lower end of described sensor is provided with a protective seam.
3. the secured adjusted device of sensor as claimed in claim 1 or 2, it is characterized in that: the piezoelectric element of described sensor protrudes from the lower end of back sheet.
4. the secured adjusted device of sensor as claimed in claim 1, it is characterized in that: described fixed band is the PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240058 CN203259507U (en) | 2013-05-07 | 2013-05-07 | Device for fixing and adjusting sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240058 CN203259507U (en) | 2013-05-07 | 2013-05-07 | Device for fixing and adjusting sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259507U true CN203259507U (en) | 2013-10-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320240058 Expired - Fee Related CN203259507U (en) | 2013-05-07 | 2013-05-07 | Device for fixing and adjusting sensors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
-
2013
- 2013-05-07 CN CN 201320240058 patent/CN203259507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
| CN103901112B (en) * | 2014-03-07 | 2016-06-29 | 镇江天颐装备科技有限公司 | The sensor device of ultrasonic guided wave detecting weld seam and fixing means |
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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: 20131030 Termination date: 20200507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |