CN201251991Y - Distribution transformer pile head wire clamp - Google Patents
Distribution transformer pile head wire clamp Download PDFInfo
- Publication number
- CN201251991Y CN201251991Y CNU2008200300082U CN200820030008U CN201251991Y CN 201251991 Y CN201251991 Y CN 201251991Y CN U2008200300082 U CNU2008200300082 U CN U2008200300082U CN 200820030008 U CN200820030008 U CN 200820030008U CN 201251991 Y CN201251991 Y CN 201251991Y
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- Prior art keywords
- wire clamp
- distribution transformer
- transformer
- pile crown
- big
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Abstract
The utility model discloses a distribution transformer pile head wire clamp in the field of distribution transformer low-voltage side connection hardware; two slots are arranged in the bottom board of the wire clamp made of alloy aluminum material; one of the two slots is a transformer low-voltage pipe head groove the inner cavity of which is copperized; the other is a lead groove. The upper part of the bottom board of the wire clamp is provided with big and small pieces with different widths; the big and small pieces are respectively connected with the bottom board of the wire clamp by hexagonal bolts; contraction joints are left between the big and small pieces. The utility model has large contact area and high over-current capacity. The diameters of the transformer groove and the lead groove arranged on the bottom board of the wire clamp are matched with the transformer pile head and the type of the lead; both the lead and the low-voltage pipe head can be closely connected and the materials are the same and can not generate thermal oxidization; when being mounted, the transformer pile head is not needed to be rotated and the pipe head can not be led to rotate. The utility model has a simple structure, is convenient to be overhauled and maintained, has a low cost, is safe to be used, can effectively prevent the problems of distribution transform leakage caused by the heating of the distribution transformer low-voltage pile head, reduces the distribution transformer failures, and ensures the safe running of the distribution transformer.
Description
Technical field
The utility model belongs to the physical technique field, further relates to the distribution transformer pile crown wire clamp of the distribution transformer mesolow side connection gold utensil technical field that a kind of 200KVA of being mainly used in is above, load is bigger.
Technical background
At present, in the 10KV distribution line, distribution transformer is last one link (equipment) of consumer's electricity consumption.And taking place in production practices easily, distribution transformer low-pressure side pile crown burns out, distribution transformer seepage oil, porcelain bushing that heating causes burst, and even burn the incident of distribution transformer, cause very big economic loss to power supply enterprise and users, therefore, to solve problem that the low lamination shoe heating of distribution transformer burns out be pendulum produce and the researcher in face of a problem.
Existing distribution transformer low-pressure side connects gold utensil and adopts copper al wiring nose, device clamp and thick pillar wire clamp usually, there is the problem of following several respects in actual use in these gold utensils: first, rotate the low lamination shoe of distribution transformer when all are now installed with gold utensil easily, cause that pile crown is loosening.The second, other except that the thick pillar wire clamp connect gold utensil makes transformer pile crown and wire interconnecting piece divide contact-making surface little, heating easily.Though transformer pile crown binding post has adopted the method that adds large contact surface, because the screw thread of screw thread and distribution transformer pile crown not exclusively mates still loose contact.Though the copper post is embraced the wire clamp contact closely, the low pressure outlet need be adopted copper conductor, and in-house facility needs copper material many, the cost height, and the equipment screw is many and little, changes trouble.The device clamp contact-making surface is little, and conveyance capacity is poor, and the junction of copper-aluminium transition burns out under big current conditions easily.
Summary of the invention
The utility model provides a kind of novel distribution transformer low-pressure side to connect gold utensil---distribution transformer pile crown wire clamp, and it comprises wire clamp base plate and the upper cover plate made from the alloy aluminum material.Be provided with two grooves in the wire clamp base plate, one is the copper-plated transformer low voltage pile crown of inner chamber groove, and another is the lead groove.The top of wire clamp base plate is provided with the big or small slice that width does not wait, and big or small slice is connected with six square bolts with the wire clamp base plate respectively, leaves shrinkage joint between the big or small slice.
The beneficial effects of the utility model mainly show following several respects:
The first, the utility model places the pile crown of distribution transformer in the distribution transformer pile crown wire clamp groove, and contact-making surface is big, and conveyance capacity is strong.
The second, the moment that the distribution transformer pile crown was not rotated when the utility model was installed influences, and can not cause that pile crown is loosening, therefore can not influence the sealing property of distribution transformer.
The 3rd, the utility model wire clamp one side is the groove of copper-aluminium transition, copper is embedded in the groove of wire clamp, and is consistent with distribution transformer pile crown material.The lead groove internal layer of wire clamp opposite side is an aluminium material, consistent with lead material, the oxidation of can not generating heat, and M14 bolt mechanical strength is big, lead all can be connected closely with low lamination shoe, be difficult for heating, the sealing ring of transformer low voltage pile crown can not wear out because of heating, thereby has further guaranteed the sealing property of transformer.
The 4th, the utility model is to connect in the mode of clamping conducting rod, and project organization is simple, only needs fastening two bolts to get final product, convenient repairing safeguards, and because of fastening transformer pile crown conducting rod rotated when having avoided construction or make the appearance of problems such as porcelain bushing is injured.
The 5th, the utility model product adopts the alloy aluminum material, mostly is the aluminum conductor material and uses other wiring gold utensils to compare with present distribution transformer low-pressure side lead, and cost obviously reduces.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1 is large stretch of, and 2 is small pieces, and 3 is six square bolts, and 4 is nut, and 5 is ring washer, and 6 is spring shim, and 7 is shrinkage joint, and 8 is transformer low voltage pile crown groove, and 9 is the lead groove, and 10 is the wire clamp base plate, and 11 is wire clamp base plate backside trench.
Embodiment
Wire clamp base plate 10 and the upper cover plate of comprising of the present utility model.Upper cover plate is divided into the big or small slice that width does not wait, and the sheet 1 of upper cover plate is used for the low lamination shoe side of distribution transformer, width and distribution transformer conducting rod coupling.The small pieces 2 of upper cover plate are used for prolonging and the lead contact-making surface, leave shrinkage joint 7 between the big or small slice, in the backside trench 11 of wire clamp base plate 10 two pieces of six square bolts are installed, successively with nut 4, ring washer 5, spring shim 6, respectively fixed size sheet and wire clamp base plate 10, bolt penetrate direction from base plate to the big or small slice side.Six square bolts, 3 diameters adopt 14mm, and six square bolts 3 pass the center in the hole of wire clamp, are positioned at the big or small slice center.
Be respectively equipped with the copper-plated transformer low voltage pile crown of inner chamber groove 8 and lead groove 9 on the wire clamp base plate 10 of the present utility model.The transformer low voltage pile crown groove of offering on the wire clamp base plate 10 8 and the diameter of lead groove 9 match with transformer low voltage pile crown and wire type.
The bolt of two M14 * 70 of the present utility model combines the both sides clamping plate of transformer low voltage conducting rod, low-voltage lead and wire clamp closely.Two grooves of wire clamp are clamped the transformer low voltage conducting rod for one, clamp lead for one.The groove of folder conducting rod adopts the thick red copper transition zone of 1.5-2mm, and inboard copper sheet is not with rib-loop, because the hardness of copper is low, and the threaded fin of conducting rod to being embedded in, fits tightly distribution transformer pile crown wire clamp and conducting rod behind the pressurized.
The utility model is safe in utilization, can prevent the low lamination shoe heating of distribution transformer effectively and the problems such as transformer oil seepage that cause, reduces the distribution transformer fault, guarantees the safe operation of distribution transformer.
Claims (6)
1, a kind of distribution transformer pile crown wire clamp, it comprises wire clamp base plate and the upper cover plate made from the alloy aluminum material, it is characterized in that: be respectively equipped with the copper-plated transformer low voltage pile crown of inner chamber groove (8) and lead groove (9) between described wire clamp base plate (10) and the upper cover plate; Described upper cover plate is divided into the big or small slice that width does not wait, and leaves shrinkage joint (7) between the big or small slice, and big or small slice is connected with six square bolts (3) with wire clamp base plate (10) respectively.
2, distribution transformer pile crown wire clamp according to claim 1, it is characterized in that: the transformer low voltage pile crown groove of offering on the described wire clamp base plate (10) (8) and the diameter of lead groove (9) and transformer low voltage pile crown and wire type are supporting, and material is identical.
3, distribution transformer pile crown wire clamp according to claim 1 is characterized in that: described wire clamp base plate (10) back side is provided with groove (11).
4, distribution transformer pile crown wire clamp according to claim 1 is characterized in that: the sheet of described upper cover plate (1) is used for the low lamination shoe side of distribution transformer, width and distribution transformer conducting rod coupling.
5, distribution transformer pile crown wire clamp according to claim 1 is characterized in that: the diameter of described six square bolts (3) adopts 14mm.
6, distribution transformer pile crown wire clamp according to claim 1, it is characterized in that: described six square bolts (3) pass the center in the hole of wire clamp, are positioned at the big or small slice center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200300082U CN201251991Y (en) | 2008-08-20 | 2008-08-20 | Distribution transformer pile head wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200300082U CN201251991Y (en) | 2008-08-20 | 2008-08-20 | Distribution transformer pile head wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251991Y true CN201251991Y (en) | 2009-06-03 |
Family
ID=40747665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200300082U Expired - Lifetime CN201251991Y (en) | 2008-08-20 | 2008-08-20 | Distribution transformer pile head wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251991Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140864A (en) * | 2013-07-26 | 2015-12-09 | 江苏省电力公司常州供电公司 | Low-cost ground potential work non-bearing splicing wire clamp |
| CN109378604A (en) * | 2018-10-12 | 2019-02-22 | 国网浙江省电力有限公司检修分公司 | A kind of wire clamp and its application method for capacitor connection |
| CN111120911A (en) * | 2019-12-17 | 2020-05-08 | 上海宙虹电子科技有限公司 | Multifunctional aviation obstruction beacon |
| CN113739941A (en) * | 2021-09-09 | 2021-12-03 | 红光电气集团有限公司 | Intelligent temperature measuring wire clamp |
| CN114188131A (en) * | 2021-12-02 | 2022-03-15 | 贵州电网有限责任公司 | Repairing method for burnt transformer pile head |
-
2008
- 2008-08-20 CN CNU2008200300082U patent/CN201251991Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140864A (en) * | 2013-07-26 | 2015-12-09 | 江苏省电力公司常州供电公司 | Low-cost ground potential work non-bearing splicing wire clamp |
| CN105186424A (en) * | 2013-07-26 | 2015-12-23 | 江苏省电力公司常州供电公司 | Easy assembling and disassembling ground potential working non-bearing wire splicing clamp |
| CN105186424B (en) * | 2013-07-26 | 2017-10-17 | 国网江苏省电力公司常州供电公司 | The earth potential working non-bearing connecting clip of easily assembling |
| CN105140864B (en) * | 2013-07-26 | 2017-10-27 | 国网江苏省电力公司常州供电公司 | The earth potential working non-bearing connecting clip of low cost |
| CN109378604A (en) * | 2018-10-12 | 2019-02-22 | 国网浙江省电力有限公司检修分公司 | A kind of wire clamp and its application method for capacitor connection |
| CN111120911A (en) * | 2019-12-17 | 2020-05-08 | 上海宙虹电子科技有限公司 | Multifunctional aviation obstruction beacon |
| CN111120911B (en) * | 2019-12-17 | 2021-11-30 | 上海宙虹电子科技有限公司 | Multifunctional aviation obstruction beacon |
| CN113739941A (en) * | 2021-09-09 | 2021-12-03 | 红光电气集团有限公司 | Intelligent temperature measuring wire clamp |
| CN114188131A (en) * | 2021-12-02 | 2022-03-15 | 贵州电网有限责任公司 | Repairing method for burnt transformer pile head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |