CN112397291B - Transformer low-voltage bushing drainage wire clamp - Google Patents
Transformer low-voltage bushing drainage wire clamp Download PDFInfo
- Publication number
- CN112397291B CN112397291B CN201910757786.4A CN201910757786A CN112397291B CN 112397291 B CN112397291 B CN 112397291B CN 201910757786 A CN201910757786 A CN 201910757786A CN 112397291 B CN112397291 B CN 112397291B
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- Prior art keywords
- clamp
- worm
- main clamp
- main
- transformer
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- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
Abstract
The invention relates to a drainage wire clamp for a low-voltage sleeve of a transformer, and belongs to the technical field of transformer lead connection. The invention discloses a drainage wire clamp for a low-voltage sleeve of a transformer, which comprises a main clamp and an auxiliary clamp, wherein a worm wheel and a worm which are matched with each other through a gear are arranged in a cheek of the main clamp, a square groove is formed in the worm wheel, the auxiliary clamp is arranged on the square groove, the bottom of the worm is fixed through a shaft sleeve, the upper part of the worm is fixed through a fixing cover plate, the part of the worm, which extends out of the main clamp, is covered through an insulating cover, a conductive weave is fixed between the main clamp and the auxiliary clamp through a conductive tape pressing plate, the conductive tape pressing plates are arranged in clamping mouths of the main clamp and the auxiliary clamp, insulating plates are covered on the surfaces of the main clamp and the auxiliary clamp, and a drainage tube is installed at the bottom of the main clamp through threads. The invention has the advantages of low manufacturing cost, high efficiency and simple structure, strong universality and suitability for the use of transformer binding posts with different diameters and is suitable for large-scale application on the low-voltage sleeve of the transformer.
Description
Technical Field
The invention relates to a drainage wire clamp for a low-voltage sleeve of a transformer, and belongs to the technical field of transformer lead connection.
Background
Power transmission and distribution equipment is an important component of national economy and social development. In recent years, the construction investment of power grids in China is continuously increased, the number of power generation substations is rapidly developed, but the power utilization level is still different from the international advanced level, the urban and rural areas are unbalanced in development, and the power supply quality is still to be improved. In the past, the low-voltage sleeve drainage wire clamp used for leading current out of a transformer has the defects of inconvenient use, insecurity, easy damage and the like, and different drainage wire clamps are often matched according to different specifications of wiring terminals because the wiring terminals of different transformer low-voltage sleeves have different diameters. The current electric power overhaul and operation and maintenance requirements require that tasks can be completed in as short a time as possible, and then the used tools are required to be simple, convenient, safe and firm. The novel transformer low-voltage bushing current-guiding wire clamp can well solve the problems, has the characteristics of convenience in use and high universality, can effectively ensure the passing efficiency of current, and reduces the loss in the power transmission process.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a safe and reliable drainage wire clamp for a low-voltage sleeve of a transformer, which is convenient to use.
The technical scheme provided by the invention for solving the technical problems is as follows: the utility model provides a transformer low pressure sleeve pipe drainage fastener, includes main clamp and vice clamp, be equipped with through gear matched with worm wheel and worm in the cheek of main clamp, be equipped with square groove on the worm wheel, the vice clamp is installed on the square groove, it is fixed through the axle sleeve bottom the worm, the worm top is fixed through fixed cover plate, the worm stretches out the main clamp part covers through insulating lid, be fixed with the electrically conductive weaving through the electrically conductive clamp plate between main clamp and the vice clamp, all be equipped with the electrically conductive clamp plate in the double-layered mouth of main clamp and vice clamp, the main surface that presss from both sides and vice clamp has all covered the insulation board, the main bottom of pressing from both sides through the screw thread installs the drainage tube.
The scheme is further improved in that: the worm wheel and the auxiliary clamp are connected and fixed on the main clamp through a pin.
The scheme is further improved in that: the secondary clip is free to rotate about the pin.
The scheme is further improved in that: the conductive braided strap contacts with a binding post of an external low-voltage sleeve.
The scheme is further improved in that: the drainage tube is bent by a copper tube.
The scheme is further improved in that: the insulating plate is covered by screw locking.
The scheme is further improved in that: the drainage tube is bent by a copper tube, so that the proper angle of the hanging lead is ensured, and the electric conductivity is good.
The beneficial effects of the invention are: the connecting device adopts a worm and gear structure to match with transmission, ensures flexible angle change and stable transmission, saves labor in use and has larger clamping force, can be adjusted according to the thickness of the binding post of the low-voltage sleeve, and improves the universality of the access of the drainage wire clamp; the contact form of the conductive braided belt is adopted, so that the contact area of the charged part is effectively increased, and the flux is increased; the drainage tube is bent by using a copper tube, so that the hanging angle of a lead is suitable when the drainage tube is used, and the electric conductivity is good; the whole device is simple and efficient in use structure, safe and easy to use, and suitable for being widely applied to low-power bushings of transformers.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a transformer low-voltage bushing drain wire according to an embodiment of the invention.
The numbers in the figures are as follows: the device comprises a main clamp 1, an auxiliary clamp 2, a shaft sleeve 3, a worm 4, a drainage tube 5, a worm wheel 6, a cover plate 7, a conductive belt pressing plate 8, an insulating cover 9, a conductive braided belt 10 and an insulating plate 11.
Detailed Description
Examples
The transformer low pressure sleeve pipe drainage fastener that this embodiment provided, by the device main part as shown in fig. 1, a transformer low pressure sleeve pipe drainage fastener, including main clamp 1 and vice clamp 2, be equipped with through gear matched with worm wheel 6 and worm 4 in the cheek of main clamp 1, be equipped with square groove on the worm wheel 6, vice clamp 2 is installed on square groove, 4 bottoms of worm are fixed through axle sleeve 3, 4 tops of worm are fixed through fixed cover plate 7, worm 4 stretches out main clamp 1 part and covers through insulating cover 9, be fixed with electrically conductive weaving through electrically conductive clamp plate 8 between main clamp 1 and the vice clamp 2, all be equipped with electrically conductive clamp plate 8 in the double-layered mouth of main clamp 1 and vice clamp 2, the surface that main clamp 1 and vice clamp 2 all covers insulating board 11, main clamp 1 bottom is pressed through the screw thread and is installed drainage tube 5.
The worm wheel 6 and the auxiliary clamp 2 are fixed on the main clamp 1 through pin connection. The secondary clip 2 is free to rotate about the pin.
The conductive braid 10 contacts the terminal of the external low voltage bushing. The drainage tube 5 is bent by using a copper tube. The insulating plate 11 is covered by screw locking. The drainage tube 5 is bent by a copper tube, so that the angle of the hanging lead is appropriate, and the electric conductivity is good.
When the transformer low-voltage sleeve drainage wire is used, the insulating cover 9 is rotated to drive the worm 4 to rotate, the worm 4 drives the worm wheel 6 to rotate through gear transmission, the auxiliary clamp 2 is arranged in the square groove of the worm wheel 6, the auxiliary clamp 2 and the main clamp 1 form a certain angle after the worm wheel 6 rotates, finally the angle between the auxiliary clamp 2 and the main clamp 1 is adjusted to a proper position according to the diameter of a binding post of a low-voltage sleeve to be clamped, and locking and checking whether the low-voltage sleeve drainage wire is firm are carried out.
The present invention is not limited to the above embodiments, and any technical solutions formed by equivalent substitutions fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a transformer low pressure sleeve pipe drainage fastener, includes main clamp and vice clamp, its characterized in that: be equipped with in the cheek of main clamp through gear matched with worm wheel and worm, be equipped with square groove on the worm wheel, the auxiliary clamp is installed on the square groove, it is fixed that the worm bottom is through the axle sleeve, the worm top is fixed through fixed cover plate, the worm stretches out the main clamp part covers through insulating lid, be fixed with electrically conductive braid over braid through electrically conductive strap clamp plate between main clamp and the auxiliary clamp, all be equipped with electrically conductive strap clamp plate in the main clamp and the double-layered mouth of auxiliary clamp, the main clamp all covers the insulation board with the surface of auxiliary clamp, the main clamp bottom is pressed through the screw thread and is installed the drainage tube.
2. The transformer low-voltage bushing drain clip of claim 1, wherein: the worm wheel and the auxiliary clamp are connected and fixed on the main clamp through a pin.
3. The transformer low-voltage bushing drain clip of claim 2, wherein: the secondary clip is free to rotate about the pin.
4. The transformer low-voltage bushing drain clip of claim 1, wherein: the conductive braided strap contacts with a binding post of an external low-voltage sleeve.
5. The transformer low-voltage bushing drain clip of claim 1, wherein: the drainage tube is bent by a copper tube.
6. The transformer low-voltage bushing drain clip of claim 1, wherein: the insulation board is covered by a screw lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757786.4A CN112397291B (en) | 2019-08-16 | 2019-08-16 | Transformer low-voltage bushing drainage wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757786.4A CN112397291B (en) | 2019-08-16 | 2019-08-16 | Transformer low-voltage bushing drainage wire clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112397291A CN112397291A (en) | 2021-02-23 |
| CN112397291B true CN112397291B (en) | 2022-08-23 |
Family
ID=74602006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910757786.4A Active CN112397291B (en) | 2019-08-16 | 2019-08-16 | Transformer low-voltage bushing drainage wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112397291B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707103B (en) * | 2012-05-10 | 2014-04-16 | 广东电网公司电力科学研究院 | Deformation test lead wire of anti-interference type transformer winding and testing device formed by same |
| CN107703335B (en) * | 2017-09-26 | 2020-07-10 | 国网福建省电力有限公司 | Voltage signal access clamp for lightning arrester resistive current test and use method thereof |
-
2019
- 2019-08-16 CN CN201910757786.4A patent/CN112397291B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112397291A (en) | 2021-02-23 |
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