CN211206753U - Auxiliary testing device for grounding conduction - Google Patents
Auxiliary testing device for grounding conduction Download PDFInfo
- Publication number
- CN211206753U CN211206753U CN201922122128.6U CN201922122128U CN211206753U CN 211206753 U CN211206753 U CN 211206753U CN 201922122128 U CN201922122128 U CN 201922122128U CN 211206753 U CN211206753 U CN 211206753U
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- China
- Prior art keywords
- compression screw
- fixing bracket
- test
- paint
- mounting bracket
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 abstract description 11
- 238000004458 analytical method Methods 0.000 abstract description 4
- 235000000396 iron Nutrition 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 229910052742 iron Inorganic materials 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004832 voltammetry Methods 0.000 description 1
Images
Abstract
The utility model discloses a ground connection switches on auxiliary test device, including mounting bracket and compression screw, compression screw is used for cooperating mounting bracket to being carried out the centre gripping by the test point and fixing, the drill bit of compression screw front end for having the puncture ability, the last height indication subassembly that is used for the location that still is provided with of mounting bracket. The utility model discloses a ground connection conduction auxiliary test device, which actively breaks through an oxide layer or a paint layer through a drill bit at the front end of a compression screw, improves the speed of removing paint, oxide layers and the like on the surfaces of selected test points, reduces the damage degree, and saves time and labor; the current, voltage and grounding end of the tester are convenient to operate when clamped, and the clamping is stable; the positions of the test points and the reference points are selected and fixed, so that the historical comparison and analysis of the test data are facilitated. The whole auxiliary testing device is light in weight, small in size and suitable for various types of grounding flat irons; the time and the labor are saved when the paint and the oxide layer are broken through, the damage to the protective anticorrosive paint is small, and the recovery is easy.
Description
Technical Field
The utility model relates to a power equipment overhauls and maintains technical field, concretely relates to ground connection switches on auxiliary test device.
Background
The equipment grounding down lead conduction inspection test is an important work for live detection of power transformation operation and maintenance. Through the measurement to equipment ground connection downlead resistance, can in time discover defects such as equipment ground connection downlead ground part corrosion, fracture, avoid taking place equipment damage accident because of the earthing is bad. Therefore, the measurement of the grounding conduction has important significance for the safe and stable operation of the power transformation equipment.
At present, the grounding conduction inspection is mainly carried out by a grounding conduction instrument and adopting a voltammetry method, but the following problems mainly exist in the testing process:
1. an oxide layer or a paint film on the surface of the flat iron of the test point needs to be cleaned and polished to damage the flat iron, the workload is large, and the time consumption is long;
2. part of the flat iron is laid close to the equipment foundation, and the tester is difficult to clamp, poor in contact, unstable in clamping and easy to loosen and drop, so that the test data result is influenced;
3. the positions and heights of the test points selected by the grounding flat iron of the same equipment are random in the past year, and the longitudinal comparability is not strong.
Therefore, in order to solve the above problems, an auxiliary testing device for ground conduction is needed, which can rapidly process the surface of the tested flat iron, adapt to the position conditions of various test points, accurately measure data, and improve the detection efficiency and quality of the ground down lead conduction of the equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defects in the prior art, providing a ground connection conduction auxiliary testing device, which can rapidly remove the paint, oxide layer and the like on the surface of the selected test point, reduce the damage degree, save time and labor; the current, voltage and grounding end of the tester are convenient to operate when clamped, and the clamping is stable; the positions of the test points and the reference points are selected and fixed, so that the historical comparison and analysis of the test data are facilitated.
The utility model discloses a ground connection switches on auxiliary test device, including mounting bracket and compression screw, compression screw is used for cooperating mounting bracket to being carried out the centre gripping by the test point and fixing, the drill bit of compression screw front end for having the puncture ability, the last height indication subassembly that is used for the location that still is provided with of mounting bracket.
Further, the height indication assembly comprises a flexible measuring scale connected with the fixing bracket and a balancing weight connected to the tail end of the flexible measuring scale.
Furthermore, the fixing bracket comprises a fixing seat and a locking seat, and the locking seat is provided with a locking hole in threaded connection with the compression screw.
Further, the cross section of fixing bracket is the U type, and its opening is 30 mm.
Furthermore, a rotary handle for screwing the compression screw is fixedly arranged at the tail end of the compression screw.
Furthermore, a through hole for assisting in screwing and facilitating clamping is formed in the rotating handle.
Further, the compression screw and the rotating handle are made of conductive metal materials, such as stainless steel.
The utility model has the advantages that: the utility model discloses a ground connection conduction auxiliary test device, which actively breaks through an oxide layer or a paint layer through a drill bit at the front end of a compression screw, improves the speed of removing paint, oxide layers and the like on the surfaces of selected test points, reduces the damage degree, and saves time and labor; the current, voltage and grounding end of the tester are convenient to operate when clamped, and the clamping is stable; the positions of the test points and the reference points are selected and fixed, so that the historical comparison and analysis of the test data are facilitated. The whole auxiliary testing device is light in weight, small in size and suitable for various types of grounding flat irons; the time and the labor are saved when the paint and the oxide layer are broken through, the damage to the protective anticorrosive paint is small, and the recovery is easy.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention in use;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
Fig. 1 is the utility model discloses a structural schematic diagram during use, fig. 2 is the utility model discloses a structural schematic diagram, as shown in the figure, ground connection in this embodiment assists testing arrangement to include mounting bracket 1 and compression screw 2, compression screw 2 is used for cooperating mounting bracket 1 to being carried out the centre gripping fixedly by the test point, the drill bit of 2 front ends of compression screw (with the one end of ground connection band iron contact) for having the puncture ability, still be provided with the height indication subassembly that is used for the location on mounting bracket 1, this ground connection switches on assists testing arrangement can be applicable to the ground connection band iron of different mounted position, different specifications, and 3 mm's slim high strength stainless steel is chooseed for use to mounting bracket 1, forms U-shaped iron, and as shown in fig. 1, the fixing base of mounting bracket 1 bottom side is planar structure, the tapping of trompil on the locking seat for threaded connection compression screw 2.
In this embodiment, height indication subassembly includes the flexible dipperstick 31 of being connected with mounting bracket 1 and connects in the terminal balancing weight 32 of flexible dipperstick 31, and flexible dipperstick 31 also can be the rope for the convenience when in-service use, and the primary action lies in the accurate test point of selecting, the vertical year contrastive analysis of test data of being convenient for, and the adjustment is convenient moreover, low cost uses reliably.
In this embodiment, the fixing bracket 1 includes a fixing seat and a locking seat, and the locking seat is provided with a locking hole in threaded connection with the hold-down screw 2.
In this embodiment, fixing bracket 1's cross section is the U type, and its opening is 30mm, and the opening can guarantee that fixing bracket 1 is adapted to the installation of most ground flat iron for 30mm to also can guarantee the stability of installation.
In this embodiment, a rotating handle 21 for screwing the compressing screw 2 is fixedly disposed at the tail end (the end far away from the grounding flat iron) of the compressing screw 2, the compressing screw 2 has good conductivity, good rigidity and good wear resistance, the tail end is firmly welded to the rotating handle 21, and the head end is of a drill bit shape. The compression screw rod 2 is rotated through the rotary handle 21 to wear through a paint film and an oxide layer on the surface of the grounding flat iron, so that the compression screw rod 2 is directly in good contact with the grounding flat iron, and meanwhile, the compression screw rod 2 is matched with the fixing bracket 1 to realize the fixing of the position of a test point.
In this embodiment, the through hole 22 for assisting in screwing and facilitating clamping is formed in the rotating handle 21, the nut-like shape is formed, the nut-like shape has the advantages of being good in conductivity, facilitating clamping, good in expansibility and the like, and the pressing screw 2 is conveniently and manually adjusted in tightness by being welded and formed with the pressing screw 2, and the tester is conveniently and fixedly clamped.
In this embodiment, the pressing screw 2 and the rotating handle 21 are made of conductive metal materials, such as stainless steel, which is convenient for conducting electricity, and can not rust after long-term use, and has long service life and low cost.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a ground connection conduction auxiliary test device which characterized in that: the test point testing device comprises a fixing bracket and a compression screw, wherein the compression screw is used for being matched with the fixing bracket to clamp and fix a tested point, the front end of the compression screw is a drill bit with puncture capability, and a height indicating assembly for positioning is further arranged on the fixing bracket.
2. The device for testing ground conduction assistance as claimed in claim 1, wherein: the height indicating assembly comprises a flexible measuring scale connected with the fixing bracket and a balancing weight connected to the tail end of the flexible measuring scale.
3. The device for testing ground conduction assistance as claimed in claim 1, wherein: the fixing bracket comprises a fixing seat and a locking seat, and the locking seat is provided with a locking hole in threaded connection with the compression screw.
4. The device for testing ground conduction assistance as claimed in claim 3, wherein: the cross section of fixing bracket is the U type, and its opening is 30 mm.
5. The device for testing ground conduction assistance as claimed in claim 3, wherein: and a rotary handle for screwing the compression screw is fixedly arranged at the tail end of the compression screw.
6. The device for testing ground conduction assistance as claimed in claim 5, wherein: the rotary handle is provided with a through hole for assisting in screwing and facilitating clamping.
7. The device for testing ground conduction assistance as claimed in claim 6, wherein: the compression screw and the rotating handle are made of conductive metal materials, such as stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122128.6U CN211206753U (en) | 2019-11-29 | 2019-11-29 | Auxiliary testing device for grounding conduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122128.6U CN211206753U (en) | 2019-11-29 | 2019-11-29 | Auxiliary testing device for grounding conduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211206753U true CN211206753U (en) | 2020-08-07 |
Family
ID=71853324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122128.6U Active CN211206753U (en) | 2019-11-29 | 2019-11-29 | Auxiliary testing device for grounding conduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211206753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137340A (en) * | 2021-11-23 | 2022-03-04 | 广西电网有限责任公司来宾供电局 | Transformer substation conduction tester with remote control function |
-
2019
- 2019-11-29 CN CN201922122128.6U patent/CN211206753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137340A (en) * | 2021-11-23 | 2022-03-04 | 广西电网有限责任公司来宾供电局 | Transformer substation conduction tester with remote control function |
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