CN213520358U - Wire end clamp for busbar type grounding wire - Google Patents
Wire end clamp for busbar type grounding wire Download PDFInfo
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- CN213520358U CN213520358U CN202022914299.5U CN202022914299U CN213520358U CN 213520358 U CN213520358 U CN 213520358U CN 202022914299 U CN202022914299 U CN 202022914299U CN 213520358 U CN213520358 U CN 213520358U
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- guide rail
- busbar
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Abstract
The utility model discloses a wire end clamp for female row type earth connection relates to electric power system ground connection safety multiplexer utensil field. When a transformer of a transformer substation is in a power failure maintenance switching operation process, a low-voltage side busbar generally needs to be hung with a short-circuit grounding wire, an existing wire clamp is easy to slip off from a conductor end busbar when the grounding wire is hung, and the installation difficulty is high and the time consumption is long. The utility model discloses a clamp, solid fixed splint, movable clamp plate's lower extreme passes through the threaded rod and is connected with the insulating bar, and the threaded rod matches with the vertical screw hole of clamp body lower extreme, and the clamp is equipped with the earth bolt who is connected with the earth connection, is equipped with on the solid fixed splint to be used for preventing that the wire end is female to be arranged from opening side roll-off stopper. Through set up the stopper on the solid fixed splint of clamp upper end, when the female row of fixed wire end was screwed up to movable clamp plate, can prevent that the fastener from arranging the slippage from female, promotes connection stability for the earth connection speed of installing shortens the installation time.
Description
Technical Field
The utility model relates to an electric power system ground connection safety multiplexer utensil field especially relates to a wire end clamp for female row's type earth connection.
Background
In recent years, with the rapid development of socioeconomic performance, demand for high-quality electric energy in production and life has been increasing. In order to provide high-quality service and ensure the power supply reliability, power supply enterprises need to ensure the timeliness of power supply and power cut of equipment. In the power failure process, the grounding wire is arranged on the maintenance equipment, which is an effective measure for ensuring the safety of maintenance personnel and ensuring the smooth development of maintenance work. With the continuous increase of the number of operating substations, the centralized maintenance work is increased, which results in the operation time of the substation becoming longer, wherein the operation that takes the longest time is to install the grounding wire.
When the transformer of the transformer substation is in power failure for maintenance, in the switching operation process, the high-voltage side of the transformer is connected with a grounding knife switch, and the low-voltage side busbar is usually hung with a short-circuit grounding wire. The short circuit grounding wire generally comprises a wire end clamp, a grounding operating rod, a grounding wire, a short circuit wire and the like, wherein the wire end clamp is mainly used for connecting a conductor and the grounding wire and is a key component for determining the mounting and dismounting convenience of the grounding wire. The distance between the bus bars and the ground is as high as several meters, so that the difficulty in installing the wire clamp at the wire end of the grounding wire is increased. The wire end clamp of the busbar end grounding wire is usually in a flat spiral compression mode, when the grounding wire is installed, an upper square clamping plate and a lower square clamping plate of the wire end clamp are compressed by the busbar through rotating the operating rod, in the operating process, force points do not exist at the conductor end, the wire end clamp easily slides out of the busbar, the installation difficulty is large, the consumed time is long, the connection is unreliable, and the power failure maintenance time and the system stability are influenced. Therefore, installing the lead end clamp has become a limiting factor affecting the power failure maintenance work, and the lead end clamp needs to be improved to shorten the installation time of the grounding wire.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model and the technical task who provides are perfect and improve prior art scheme, provide a wire end fastener for female row type earth connection to prevent that the fastener from sliding off from female arranging, shorten earth connection installation time for the purpose. Therefore, the utility model adopts the following technical scheme.
The utility model provides a wire end clamp for female row type earth connection, includes the clamp, the upper end of clamp be equipped with solid fixed splint, the lower extreme of clamp be equipped with the movable clamp plate of liftable, the left side of clamp for inserting the female opening side of arranging of wire end, the lower extreme of movable clamp plate passes through the threaded rod and is connected with insulating bar, the threaded rod matches with the vertical screw hole of clamp lower extreme, the right side lower part of clamp is equipped with the earth bolt of being connected with the earth connection, gu fixed splint on be equipped with and be used for preventing that the wire end from arranging the stopper of opening side roll-off. Through set up the stopper on the solid fixed splint of clamp upper end, when the female row of fixed wire end was upwards screwed up to movable splint, can prevent effectively that the fastener from arranging from its opening side direction slippage, promote the success rate of connecting for install speed, can effectively shorten the earth connection installation time.
As a preferable technical means: the stopper include guide rail, mounting and spacing slider, the guide rail set up in the upper end of solid fixed splint, the mounting be connected the guide rail with solid fixed splint fixedly, spacing slider locate the opening side of fastener, spacing slider's upper portion be equipped with the spout that matches with the guide rail slip, spacing slider's upper end is passed through screw and guide rail fastening, both sides stretch down around spacing slider, make its lower extreme be less than solid fixed splint's lower extreme, the medial surface distance of both sides is greater than solid fixed splint and movable splint's front and back width around it. Before the use, can be according to female width of arranging, spacing slider slides to suitable position, then through the screw-up, simple structure, it is convenient to realize.
As a preferable technical means: the guide rail is in a rectangular plate shape, and the sliding groove is in a T-shaped groove structure. Through the anti-disengaging structure of the guide rail and the sliding groove which are matched in the T shape, when the wire clamp is placed upside down, the limiting sliding block can be effectively prevented from falling off from the guide rail.
As a preferable technical means: and an upward flange is arranged at the left end of the guide rail. The flange prevents the retainer slider from slipping off the left end after the screw is unscrewed.
As a preferable technical means: the fixing piece adopts a fixing clamp which is elastically clamped. The clip is convenient to fix, and the fixed position can be changed according to the width of the busbar, so that the limiting slide block has a larger adjusting space.
As a preferable technical means: the upper end surface of the movable clamping plate is provided with anti-skidding teeth. The anti-slip capability of the busbar during clamping can be effectively improved.
Has the advantages that: when the busbar of wire end is tightly pressed, can prevent effectively that the fastener from arranging from its opening side direction slippage, reduced the earth connection and installed the degree of difficulty for install speed, shortened earth connection installation time, simple structure is reliable, can effectively adapt to the female tight and anticreep of pressing from both sides of arranging of different wire end.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
In the figure: 1-a clamp body; 2-fixing the splint; 3-movable splints; 4-a threaded rod; 5-an insulated operating rod; 6-a grounding bolt; 7-a ground line; 8-a guide rail; 9-a fixing piece; 10-a limiting slide block; 11-screws.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a wire end clamp for female row type earth connection, including clamp 1, clamp 1's upper end is equipped with solid fixed splint 2, clamp 1's lower extreme is equipped with the movable clamp plate 3 of liftable, clamp 1's left side is for inserting the female opening side of arranging of wire end, movable clamp plate 3's lower extreme passes through threaded rod 4 and is connected with insulating bar 5, threaded rod 4 matches with the vertical screw hole of clamp 1 lower extreme, clamp 1's right side lower part is equipped with the earth bolt 6 of being connected with earth connection 7, be equipped with on solid fixed splint 2 and be used for preventing that the female stopper of opening side roll-off is followed to the wire end.
In order to make the stopper can adapt to different female width of arranging, the stopper includes guide rail 8, mounting 9 and spacing slider 10, guide rail 8 sets up in the upper end of solid fixed splint 2, mounting 9 is connected guide rail 8 and solid fixed splint 2 fixedly, the opening side of fastener is located to spacing slider 10, the upper portion of spacing slider 10 is equipped with the spout that matches with the guide rail 8 slip, screw 11 and guide rail 8 fastening are passed through to spacing slider 10's upper end, both sides stretch down around spacing slider 10, make its lower extreme be less than the lower extreme of solid fixed splint 2, the medial surface distance of both sides is greater than solid fixed splint 2 and movable splint 3's front and back width around it. Before using, can slide to suitable position according to female width of arranging, spacing slider 10 then fastens through screw 11, and simple structure realizes the convenience.
In order to prevent the limiting slide block 10 from falling off from the guide rail 8, the guide rail 8 is in a rectangular plate shape, and the sliding groove is in a T-shaped groove structure. Through the anti-disengaging structure of the guide rail 8 and the sliding groove which are matched in the T shape, when the wire clamp is placed upside down, the limiting slide block 10 can be effectively prevented from falling off from the guide rail 8.
In order to prevent the stop slider 10 from slipping off the left end, the left end of the guide rail 8 is provided with an upward flange. This flange prevents the stop block 10 from slipping off the left end after the screw 11 is unscrewed.
In order to adapt to the position adjusting space of the limiting slide block 10, the fixing piece 9 adopts a fixing clamp clamped elastically. The clip is convenient to fix, and the fixed position can be changed according to the width of the busbar, so that the limiting slide block 10 has a larger adjusting space.
In order to improve the anti-slip capability of the busbar during clamping, the upper end surface of the movable clamping plate 3 is provided with anti-slip teeth. The anti-slip capability of the busbar during clamping can be effectively improved.
During the use, connect fixed earth connection 7 through earth bolt 6 earlier, then, according to the female position of width adjustment limiting slide 10 who arranges of wire end and fasten through screw 11, lift the female position of arranging of wire end through insulating bar 5, insert female arranging the opening side of fastener, then screw up through insulating bar 5 rotation, fix the fastener on female arranging. Due to the side blocking effect of the limiting sliding block 10, when the movable clamping plate 3 upwards screws the fixed conductor end busbar, the wire clamp can be effectively prevented from laterally slipping from the opening side of the wire clamp to the busbar, the connection success rate is improved, the installation speed is increased, and the installation time of the grounding wire 7 can be effectively shortened.
The embodiment of the present invention, which is a wire end clamp for a busbar-type ground wire shown in fig. 1-2, is a specific embodiment of the present invention, and it has been demonstrated that the substantial features and the progress of the present invention can be modified according to the actual use requirements, and the modifications of the shape, the structure and the like can be performed on the terminal according to the teaching of the present invention, all within the protection scope of the present solution.
Claims (6)
1. The utility model provides a wire end clamp for female row type earth connection which characterized in that: including clamp (1), the upper end of clamp (1) be equipped with solid fixed splint (2), the lower extreme of clamp (1) is equipped with movable splint (3) of liftable, the left side of clamp (1) for inserting the female opening side of arranging of wire end, the lower extreme of movable splint (3) passes through threaded rod (4) and is connected with insulating bar (5), threaded rod (4) match with the vertical screw hole of clamp (1) lower extreme, the right side lower part of clamp (1) is equipped with earth bolt (6) of being connected with earth connection (7), solid fixed splint (2) on be equipped with and be used for preventing that the wire end from arranging the stopper of opening side roll-off.
2. A wire end clamp for a busbar-type ground wire according to claim 1, wherein: the stopper include guide rail (8), mounting (9) and stop block (10), guide rail (8) set up in the upper end of solid fixed splint (2), mounting (9) be connected guide rail (8) and solid fixed splint (2) fixedly, stop block (10) locate the opening side of fastener, the upper portion of stop block (10) be equipped with the spout that matches with guide rail (8) slip, the upper end of stop block (10) is passed through screw (11) and guide rail (8) fastening, both sides stretch down around stop block (10), make its lower extreme be less than the lower extreme of solid fixed splint (2), the medial surface distance of both sides is greater than the front and back width of solid fixed splint (2) and activity splint (3) around it.
3. A wire end clamp for a busbar-type ground wire according to claim 2, wherein: the guide rail (8) is in a rectangular plate shape, and the sliding groove is in a T-shaped groove structure.
4. A wire end clamp for a busbar-type ground wire according to claim 3, wherein: the left end of the guide rail (8) is provided with an upward flange.
5. A wire end clamp for a busbar-type ground wire according to claim 2, wherein: the fixing piece (9) adopts a fixing clamp clamped elastically.
6. A wire end clamp for a busbar-type ground wire according to claim 2, wherein: the upper end surface of the movable clamping plate (3) is provided with anti-skid teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914299.5U CN213520358U (en) | 2020-12-08 | 2020-12-08 | Wire end clamp for busbar type grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914299.5U CN213520358U (en) | 2020-12-08 | 2020-12-08 | Wire end clamp for busbar type grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213520358U true CN213520358U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022914299.5U Active CN213520358U (en) | 2020-12-08 | 2020-12-08 | Wire end clamp for busbar type grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213520358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437543A (en) * | 2021-07-07 | 2021-09-24 | 合肥亿恒智能科技有限公司 | Fixed effectual car grounding piece subassembly |
| CN114744442A (en) * | 2022-04-28 | 2022-07-12 | 国网河南省电力公司平顶山供电公司 | Quick access device of 0.4kV low pressure uninterrupted power operation cable |
| WO2024124675A1 (en) * | 2022-12-15 | 2024-06-20 | 贵州电网有限责任公司 | Busbar wire clamp apparatus for temporary short-circuiting of transformer substation |
-
2020
- 2020-12-08 CN CN202022914299.5U patent/CN213520358U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437543A (en) * | 2021-07-07 | 2021-09-24 | 合肥亿恒智能科技有限公司 | Fixed effectual car grounding piece subassembly |
| CN113437543B (en) * | 2021-07-07 | 2023-11-28 | 合肥亿恒智能科技有限公司 | Automobile grounding piece assembly with good fixing effect |
| CN114744442A (en) * | 2022-04-28 | 2022-07-12 | 国网河南省电力公司平顶山供电公司 | Quick access device of 0.4kV low pressure uninterrupted power operation cable |
| CN114744442B (en) * | 2022-04-28 | 2024-03-29 | 国网河南省电力公司平顶山供电公司 | 0.4kV low-voltage uninterrupted operation cable quick access device |
| WO2024124675A1 (en) * | 2022-12-15 | 2024-06-20 | 贵州电网有限责任公司 | Busbar wire clamp apparatus for temporary short-circuiting of transformer substation |
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