CN203324316U - Universal clamping device of GIS ultrasonic sensor - Google Patents
Universal clamping device of GIS ultrasonic sensor Download PDFInfo
- Publication number
- CN203324316U CN203324316U CN2013203961590U CN201320396159U CN203324316U CN 203324316 U CN203324316 U CN 203324316U CN 2013203961590 U CN2013203961590 U CN 2013203961590U CN 201320396159 U CN201320396159 U CN 201320396159U CN 203324316 U CN203324316 U CN 203324316U
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- sensor
- handle
- gis
- clamping part
- universal
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 21
- 238000013461 design Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a universal clamping device of a GIS ultrasonic sensor. The universal clamping device includes a handle, a cardan joint and a sensor clamping groove. The handle is connected with the sensor clamping groove through the cardan joint. The handle is an insulating handle. A constant-pressure spring used for connecting the sensor and the sensor clamping groove is arranged in the sensor clamping groove. The constant-pressure spring is fixedly arranged at the central position of the top part of the sensor clamping groove. Through the design of the insulating handle, personal safety protection in a test process is ensured and through the design of the cardan joint and the constant-pressure spring, a test precision of the ultrasonic sensor is improved to the largest degree so that repeated errors in a measurement process are eliminated. Therefore, inspection efficiency is greatly improved and labor intensity of inspection personnel is reduced and objectivities of wide use scope and safe and convenient use are realized.
Description
Technical field
The utility model relates to the high-voltage detecting device field, particularly, relates to the universal clamping device of a kind of GIS sonac.
Background technology
At present, the ultrasound partial discharge detection technique is as a kind of main monitoring means of GIS running status, and the higher sensitivity and find the case of a large amount of GIS operational defect with it, obtained everybody extensively consistent approval.Be accompanied by the ultrasonic method detection technique as the carrying out in a large number of GIS Daily Round Check work, also found area for improvement in a few thing, such as fixing means and the safety issue of sonac.Because the GIS shell is zero potential, the direct hand steered sonac of main employing is measured at present, or magnetic-type, but all has some problems.The hand-held method, due to its convenient and swift current or mode of use amount maximum, when problem is that transformer station's static is stronger, has very large undesired signal, if the tape insulation gloves are inconvenient to again hold the sensor that volume is very little very much.The unsafe factor of being exactly is arranged again, if disruptive discharge when commissioning test (especially, happen occasionally) is arranged in test process, can between GIS shell and sensor, form voltage, may injure the person.And the magnetic mode fixedly the problem of sonac be, the GIS that can only be applicable to original iron shell is upper, but, because the current major part of GIS has adopted aluminium shell, the scope of application of magnetic mode is more and more less.
The utility model content
The purpose of this utility model is, for the problems referred to above, proposes the universal clamping device of a kind of GIS sonac, with the advantage that realizes that usable range is wide, safe and convenient to use.
For achieving the above object, the technical solution adopted in the utility model is:
The universal clamping device of a kind of GIS sonac, comprise handle, universal joint and sensor draw-in groove, described handle links together by universal joint and sensor draw-in groove, described handle is insulated handle, arrange in described sensor draw-in groove and be used for the constant pressure spring of connecting sensor and sensor draw-in groove, described constant pressure spring is installed in the center at sensor draw-in groove top.
According to preferred embodiment of the present utility model, described universal joint comprises the first clamping part, the second clamping part, spherical structure and fixed screw, described the first clamping part is fixedly connected with handle, the bottom of described spherical structure is fixedly connected with the sensor draw-in groove, described the second clamping part links together by spherical structure and the first clamping part, described the first clamping part and the second clamping part periphery are fixed by fixed screw, and the top of described fixed screw is provided with spring.
According to preferred embodiment of the present utility model, described handle and first the clamping part end face is perpendicular or parallel is fixedly mounted with.
According to preferred embodiment of the present utility model, the periphery of described sensor card trench bottom is provided with locating pin.
According to preferred embodiment of the present utility model, the number of described locating pin is 3, and the angle between the adjacent positioned nail is 120 °.
The technical solution of the utility model has following beneficial effect:
The technical solution of the utility model, design by insulated handle makes personal safe protection in test process be guaranteed, and the design of universal joint and constant pressure spring has improved the sonac accuracy of detection to the full extent, eliminated the reproducibility error in the measuring process.Greatly promote and patrol and examine efficiency, reduce searching personnel's labour intensity.Realize the purpose that usable range is wide, safe and convenient to use.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
The structural representation that Fig. 1 is the vertically arranged universal clamping device of GIS sonac of the described handle of the utility model embodiment;
Fig. 2 be the described handle level of the utility model embodiment install the structural representation of the universal clamping device of GIS sonac;
Fig. 3 is that the universal clamping device of the described GIS sonac of the utility model embodiment uses reference diagram.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
1-the first clamping part; The 2-spherical structure; The 3-fixed screw; 4-the second clamping part; 5-sensor draw-in groove; 6-constant pressure spring; The 7-sensor; The 8-locating pin; The 9-handle.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the universal clamping device of a kind of GIS sonac, comprise handle 9, universal joint and sensor draw-in groove 5, handle 9 links together by universal joint and sensor draw-in groove 5, handle 9 is insulated handle, the interior setting of sensor draw-in groove 5 is used for the constant pressure spring 6 of connecting sensor and sensor draw-in groove, and constant pressure spring 6 is installed in the center at sensor draw-in groove 5 tops.
Wherein, universal joint comprises the first clamping part 1, the second clamping part 4, spherical structure 2 and fixed screw 3, the first clamping part 1 is fixedly connected with handle 9, the bottom of spherical structure 2 is fixedly connected with sensor draw-in groove 5, the second clamping part 4 links together by spherical structure 2 and the first clamping part 1, the first clamping part 1 and the second clamping part 4 peripheries are fixing by fixed screw 3, and the top of fixed screw 3 is provided with spring.Handle 9 and vertical being fixedly mounted with of the first clamping part 1 end face, or as shown in Figure 2, handle 9 and the first clamping part 1 end face level are fixedly mounted with.The periphery of sensor draw-in groove 5 bottoms is provided with locating pin 8.The number of locating pin 8 is 3, and between the adjacent positioned nail, 8 angle is 120 °.
The measuring accuracy of GIS sonac depends primarily on 2: 1. sonac self precision, and this point completes while dispatching from the factory fixing, immutable in the sensor manufacture.2. the normal pressure of the angle that the sensor detection faces contacts with tested GIS surface of shell when contacting.When directly the hand-held ultrasound sensor detects GIS, the normal pressure of the angle that the sensor detection faces contacts with tested GIS surface of shell when contacting, can there is variation more or less at GIS surface of shell diverse location, even repeated measurement on same position, the variation of this contact angle and normal pressure exists equally.If change another person's operation, this variable quantity is just more uncontrollable.And this variable quantity just directly makes measurement result very uncertain error (reproducibility error) occur.The unsteady installation of the sensor that the disclosed device of technical solutions of the utility model adopts and constant force spring and universal ball joint and 3 designs that locating pin is measured forms, eliminate above-mentioned uncontrollable variable, fundamentally eliminated the reproducibility error in GIS sonac measuring process.
Clamping device in technical solutions of the utility model.Mainly by the design to universal joint, the design of sensor fixed card slot, the design of sensor constant pressure, finally connect insulated handle, makes the clamping device of a set of applicable on-the-spot safety of using.Concrete results are as follows:
1, complete a set of sonac clamping and fixing device;
2, clamping device meets the insulating Design requirement;
3, clamping device has improved measurement accuracy, has eliminated the reproducibility error in the sensor measurement process.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the universal clamping device of GIS sonac, it is characterized in that, comprise handle, universal joint and sensor draw-in groove, described handle links together by universal joint and sensor draw-in groove, described handle is insulated handle, arrange in described sensor draw-in groove and be used for the constant pressure spring of connecting sensor and sensor draw-in groove, described constant pressure spring is installed in the center at sensor draw-in groove top.
2. the universal clamping device of GIS sonac according to claim 1, it is characterized in that, described universal joint comprises the first clamping part, the second clamping part, spherical structure and fixed screw, described the first clamping part is fixedly connected with handle, the bottom of described spherical structure is fixedly connected with the sensor draw-in groove, described the second clamping part links together by spherical structure and the first clamping part, described the first clamping part and the second clamping part periphery are fixed by fixed screw, and the top of described fixed screw is provided with spring.
3. the universal clamping device of GIS sonac according to claim 2, is characterized in that, described handle and first the clamping part end face is perpendicular or parallel is fixedly mounted with.
4. according to the universal clamping device of the arbitrary described GIS sonac of claims 1 to 3, it is characterized in that, the periphery of described sensor card trench bottom is provided with locating pin.
5. the universal clamping device of GIS sonac according to claim 4, is characterized in that, the number of described locating pin is 3, and the angle between the adjacent positioned nail is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203961590U CN203324316U (en) | 2013-07-04 | 2013-07-04 | Universal clamping device of GIS ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203961590U CN203324316U (en) | 2013-07-04 | 2013-07-04 | Universal clamping device of GIS ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203324316U true CN203324316U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203961590U Expired - Fee Related CN203324316U (en) | 2013-07-04 | 2013-07-04 | Universal clamping device of GIS ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203324316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344797A (en) * | 2013-07-04 | 2013-10-09 | 国家电网公司 | GIS ultrasonic sensor universal clamping device |
| CN104390768A (en) * | 2014-11-02 | 2015-03-04 | 国家电网公司 | Test tool for contact finger spring pressure in knife switch moving contact |
| CN105203634A (en) * | 2015-10-26 | 2015-12-30 | 国家电网公司 | Device for nondestructive testing of hydrogenerator stator bar splice joints |
-
2013
- 2013-07-04 CN CN2013203961590U patent/CN203324316U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344797A (en) * | 2013-07-04 | 2013-10-09 | 国家电网公司 | GIS ultrasonic sensor universal clamping device |
| CN104390768A (en) * | 2014-11-02 | 2015-03-04 | 国家电网公司 | Test tool for contact finger spring pressure in knife switch moving contact |
| CN105203634A (en) * | 2015-10-26 | 2015-12-30 | 国家电网公司 | Device for nondestructive testing of hydrogenerator stator bar splice joints |
| CN105203634B (en) * | 2015-10-26 | 2018-04-27 | 国家电网公司 | Suitable for turbine generator stator bar and the device of connector Non-Destructive Testing |
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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: 20131204 Termination date: 20190704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |