CN110854779A - Temporary power utilization and connection structure and method for low-voltage line - Google Patents
Temporary power utilization and connection structure and method for low-voltage line Download PDFInfo
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- CN110854779A CN110854779A CN201911185451.6A CN201911185451A CN110854779A CN 110854779 A CN110854779 A CN 110854779A CN 201911185451 A CN201911185451 A CN 201911185451A CN 110854779 A CN110854779 A CN 110854779A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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Abstract
The invention discloses a temporary electric connection structure and a method for a low-voltage line, wherein a wiring structure is formed by a single drainage wire clamp and a positioning wire clamp, the single drainage wire clamp comprises a conductive lead clamp body, a bending part with a groove is arranged at the upper end of the conductive lead clamp body, a wiring port is arranged on one side of the lower end of the conductive lead clamp body and is communicated with the conductive lead clamp body, a jacking support part is arranged at the lower end of the conductive lead clamp body, a jacking rod is arranged on the jacking support part and is aligned with the groove of the bending part, T connection between a wire harness and a power transmission wire on the voltage line is realized by using the single drainage wire clamp, the jacking rod is jacked and fixed with the groove of the bending part, the connection structure is stable, the positioning wire clamp is used for fixing the wire harness, the connection stability between the single drainage wire clamp and the power transmission wire on the voltage line caused by shaking of the wire harness is prevented, the invention effectively prevents the contact from heating and striking sparks, and has convenient and quick connection and high wiring efficiency.
Description
Technical Field
The invention belongs to the technical field of low-voltage 0.4KV metering control installation, and relates to a temporary electricity utilization and connection structure and method for a low-voltage line.
Background
Always, when a customer of a power supply station temporarily uses electricity for installation, a metering control box is provided by the power supply station without compensation, but a service line is prepared by the customer, the standards of wire rods provided by the customer are different, a temporary winding mode is adopted when the rods are lapped, the service line is directly wound and lapped with a lead, the operation consumes time, the winding is not tight, the contact is heated and ignited, and the copper service line is wound on a main line for a long time due to much rainwater in summer, so that the aluminum lead is subjected to friction corrosion; the metering control box is binded fixedly at will, and interim power consumption articulates consuming time longer, connects the house line T on the pole to connect the back, takes to carry out the letter on pole slightly or thread cross arm vase from T contact to this section of interim power consumption control box empty pile head and answers the ligature fixed, because the house line swing leads to insulating layer wearing and tearing, the electric leakage causes the action of platform district total protector, takes place the short circuit even and has the potential safety hazard, has certain safety risk.
Disclosure of Invention
The invention aims to provide a temporary power utilization and connection structure and a temporary power utilization and connection method for a low-voltage line, which are used for overcoming the problem of potential safety hazard in the conventional temporary power utilization and connection mode.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electricity connection structure temporarily with electricity for low voltage line, including single drainage fastener and location fastener, single drainage fastener includes electrically conductive lead clamp body, electrically conductive lead clamp body upper end is equipped with the portion of bending of taking the recess, electrically conductive lead clamp body lower extreme one side is equipped with the wiring mouth, the wiring mouth switches on with electrically conductive lead clamp body, electrically conductive lead clamp body lower extreme is equipped with the tight supporting part in top, be equipped with the puller bar on the tight supporting part in top, the puller bar aligns with the portion of bending recess, location fastener upper end is fixed in on the thread cross arm, the fixed pencil of location fastener lower extreme, the one end of pencil is connected with the wiring mouth electricity on the electrically conductive lead clamp body, the other end of pencil is drawn forth and.
Furthermore, the upper end of the positioning wire clamp is fixed on the main wire cross arm through a hanging plate.
Further, the link plate includes U type link plate groove, and one of them cell wall of U type link plate groove is equipped with the screw hole, and threaded hole is equipped with the puller bolt, and another cell wall of U type link plate groove is equipped with the mounting hole, and the cell wall length that is equipped with mounting hole one side is greater than the cell wall that is equipped with the screw hole, and the mounting hole is greater than the screw hole apart from the distance of tank bottom apart from U type link plate groove tank bottom.
Furthermore, the positioning wire clamp comprises a wire fixing device and a connecting rod, a bending part is arranged in the middle of the connecting rod, threaded rods are arranged at two ends of the connecting rod, the wire fixing device comprises a left clamping piece and a right clamping piece, the left clamping piece and the right clamping piece are connected through a bolt, and a binding hole for holding and fixing a wire harness is arranged at the contact end of the left clamping piece and the right clamping piece; the two sides of the clamping piece or the right clamping piece are provided with fixing parts connected with the two ends of the connecting rod.
Furthermore, the jacking rod is connected with the jacking supporting part through threads, and the end part of the jacking rod can reach the bent part groove or be far away from the bent part groove by rotating the jacking rod.
Furthermore, the end part of the tightening rod is provided with a limiting part, a through hole is formed in the tightening supporting part, the tightening rod is located in the through hole of the tightening supporting part, a spring is arranged between the limiting part of the tightening rod and the upper end face of the tightening supporting part, and the tightening rod is in groove contact with the bending part under the action of the spring.
Further, the lower end of the tightening rod is provided with a T-shaped operating rod and further comprises an insulating operating rod, the upper end of the insulating operating rod is provided with a through groove, and the T-shaped operating rod can be located in the through groove.
Further, still including interim power consumption measurement control box, be equipped with power consumption meter and wiring switch in the interim power consumption measurement control box, interim power consumption measurement control box is fixed in on the pole through the staple bolt support.
A temporary power utilization method for a temporary power utilization structure of a low-voltage line, comprising the steps of:
step 1), connecting one end of a temporary electricity utilization wire harness to be connected with a temporary electricity utilization metering control switch, then clamping and fixing the wire harness through a positioning wire clamp, and respectively connecting single electric conductors of the wire harness on different conductive lead clamp bodies;
step 2), fixing the positioning wire clamp on the main wire cross arm;
and 3) finally, carrying out T connection on the conductive lead clamp body and a power transmission line on the voltage line to finish temporary electricity utilization installation.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a temporary electric connection structure for a low-voltage line, which forms a wiring structure by a single drainage wire clamp and a positioning wire clamp, wherein the single drainage wire clamp comprises a conductive lead clamp body, a bending part with a groove is arranged at the upper end of the conductive lead clamp body, a wiring port is arranged on one side of the lower end of the conductive lead clamp body and is communicated with the conductive lead clamp body, a jacking support part is arranged at the lower end of the conductive lead clamp body, a jacking rod is arranged on the jacking support part and is aligned with the groove of the bending part, T connection of a wire harness and a power transmission wire on the voltage line is realized by utilizing the single drainage wire clamp, the jacking rod and the groove of the bending part are adopted for jacking and fixing, the connection structure is stable and high in safety, the positioning wire clamp is utilized for fixing the wire harness, the connection stability between the single drainage wire clamp and the power transmission wire on the voltage line caused by the shaking of, the invention effectively prevents the contact from heating and striking sparks, and has convenient and quick connection and high wiring efficiency.
Furthermore, the upper end of the positioning wire clamp is fixed on the main wire cross arm through the hanging plate, and the installation is convenient and rapid.
Furthermore, the tightening rod and the tightening supporting part are connected through threads, the end part of the tightening rod can reach the groove of the bending part or be far away from the groove of the bending part through rotating the tightening rod, the tightening rod is fixed through threads, and stability is good.
Furthermore, the end part of the tightening rod is provided with a limiting part, a through hole is formed in the tightening supporting part, the tightening rod is located in the through hole of the tightening supporting part, a spring is arranged between the limiting part of the tightening rod and the upper end face of the tightening supporting part, the tightening rod is in groove contact with the bending part under the action of the spring, and wiring efficiency is high.
Further, the lower end of the tightening rod is provided with a T-shaped operating rod and further comprises an insulating operating rod, the upper end of the insulating operating rod is provided with a through groove, the T-shaped operating rod can be located in the through groove, and the T-shaped operating rod does not need to be fixed by a worker during climbing, so that the T-shaped operating rod is convenient and fast.
A temporary electricity utilization and connection method for a temporary electricity utilization and connection structure of a low-voltage line is characterized in that one end of a temporary electricity utilization wire harness to be connected is connected with a temporary electricity utilization metering control switch, then the wire harness is clamped and fixed through a positioning wire clamp, and single electric conductors of the wire harness are respectively and singly connected to different conductive lead clamp bodies; then fixing the positioning wire clamp on the main wire cross arm; and finally, the conductive lead clamp body is in T connection with a power transmission lead on a voltage circuit, so that the mounting efficiency is high, the labor intensity is reduced, the temporary electricity utilization mounting time is shortened, the safety of temporary electricity utilization mounting is improved, and the effect is good.
Drawings
Fig. 1 is a schematic view of the installation structure of the present invention.
FIG. 2 is a schematic diagram of a wiring structure according to the present invention.
FIG. 3 is an enlarged view of the mounting structure of the single lead clamp of the present invention.
FIG. 4 is a schematic view of a three-dimensional structure of the single drainage clamp of the present invention.
FIG. 5 is a perspective front view of a single lead clamp of the present invention.
Fig. 6 is a schematic view of the positioning clamp structure of the present invention.
FIG. 7 is a schematic view of the structure of the insulated operating rod of the present invention.
Fig. 8 is a schematic view of a positioning clamp structure.
In the figure, 1, a single drainage wire clamp; 2. hanging the plate; 3. a conductive lead clip body; 4. a bending part; 5. a wiring port; 6. tightly supporting the supporting part; 7. a tightening rod; 8. a spring; 9. positioning a wire clamp; 10. a main line cross arm; 11. fixing the wire harness; 12. a U-shaped hanging plate groove; 13. jacking the bolt; 14. a wire fixing device; 15. a connecting rod; 16. a temporary electricity metering control box; 17. staple bolt support.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 to 8, a temporary electric connection structure for a low-voltage line, including a single lead clamp 1 and a positioning clamp 9, the single lead clamp 1 includes a conductive lead clamp body 3, a bending portion 4 with a groove is arranged at the upper end of the conductive lead clamp body 3, a wiring port 5 is arranged at one side of the lower end of the conductive lead clamp body 3, the wiring port 5 is communicated with the conductive lead clamp body 3, a jacking support portion 6 is arranged at the lower end of the conductive lead clamp body 3, a jacking rod 7 is arranged on the jacking support portion 6, the jacking rod 7 is aligned with the groove of the bending portion 4, the upper end of the positioning clamp 9 is fixed on a main line cross arm 10, a wire harness 11 is fixed at the lower end of the positioning clamp 9, one end of the wire harness 11 is electrically connected with the wiring port 5 on the conductive lead clamp body 3.
The upper end of the positioning wire clamp 9 is fixed on the main wire cross arm 10 through the hanging plate 2.
The link plate 2 includes U type link plate groove 12, and one of them cell wall in U type link plate groove 12 is equipped with the screw hole, and threaded hole is equipped with puller bolt 13, and another cell wall in U type link plate groove 12 is equipped with the mounting hole, and the cell wall length that is equipped with mounting hole one side is greater than the cell wall that is equipped with the screw hole, and the mounting hole is greater than the distance of screw hole apart from the tank bottom apart from 12 tank bottoms in U type link plate groove.
The positioning wire clamp 9 comprises a wire fixing device 14 and a connecting rod 15, a bending part is arranged in the middle of the connecting rod 15, threaded rods are arranged at two ends of the connecting rod 15, the wire fixing device 14 comprises a left clamping piece and a right clamping piece, the left clamping piece and the right clamping piece are connected through a bolt, a wire harness hole is formed in the contact end of the left clamping piece and the right clamping piece, and the wire harness 11 is clamped and fixed through the left clamping piece and the right clamping piece; the fixing parts connected with the two ends of the connecting rod 15 are arranged on the two sides of the left clamping piece or the right clamping piece, through holes are formed in the fixing parts, a threaded rod of the connecting rod 15 penetrates through the through holes in the fixing parts to be fixed through nuts, during use, the connecting rod 15 penetrates through the mounting hole of the U-shaped hanging plate groove 12, and then the wire fixing device 14 is fixed to the connecting rod 15.
The jacking rod 7 is connected with the jacking supporting part 6 through threads, the end part of the jacking rod 7 can reach the groove of the bending part 4 or be far away from the groove of the bending part by rotating the jacking rod 7, when in use, the end part of the jacking rod 7 is far away from the groove of the bending part 4 by rotating the jacking rod 7, then the conductive lead clamp body 3 is hung on a low-voltage line to be connected, then the jacking rod 7 is rotated to enable the end part of the jacking rod to be in contact with the low-voltage line to be connected and be jacked in the groove of the bending part, the connection between the conductive lead clamp body 3 and the low-voltage line to be connected is completed, and the structure of the rotating jacking rod 7 is adopted, so that the connection structure is stable;
the tip of tightening rod 7 is equipped with spacing portion, be equipped with the through-hole on the tight supporting part 6 in top, tightening rod 7 is located the through-hole of the tight supporting part 6 in top, be equipped with spring 8 between the spacing portion of tightening rod 7 and the tight supporting part 6 up end in top, tightening rod 7 under the effect of spring 8 with the 4 groove contact of portion of bending, during the use, draw down tightening rod 7, press from both sides body 3 with electrically conductive lead wire and hang treating to connect on the low-voltage circuit, loosen tightening rod 7 and make its tip and treat to connect low-voltage circuit contact top tightly in the recess of portion of bending, accomplish electrically conductive lead wire and press from both sides body 3 and treat to connect being connected of low-voltage circuit, convenient and fast connects, connect stably, the efficiency of wiring has been improved.
Still include interim power consumption measurement control box 16, be equipped with power consumption meter and wiring switch in the interim power consumption measurement control box 16, interim power consumption measurement control box 16 is fixed in on the pole through staple bolt support 17.
When temporary electricity utilization is carried out, firstly, a matched hoop support 17 is used for installing and fixing the temporary electricity utilization metering control box 16 on the T-shaped electricity connecting rod, and the height of the temporary electricity utilization metering control box 16 from the ground is 1.5 m; according to the temporary electricity utilization conforming condition of a client, a proper prefabricated wire or wire harness 11 is selected to connect the lower end of a service conductor into an upper pile head of a metering control box main switch, after an operator climbs a pole to a T-junction safety distance, the upper end of the service conductor selects a proper amount of wire harnesses according to different user requirements, the wire harnesses are clamped and fixed through a positioning wire clamp 9, the wire harness heads are singly connected to a wiring port 5 of a conductive lead wire clamp body 3, then the positioning wire clamp 9 is fixed on a main wire cross arm 10, and finally the conductive lead wire clamp body 3 is in T-connection with an electricity transmission lead wire on a voltage line, so that temporary electricity utilization installation is completed. The invention has simple structure and high installation efficiency, reduces the labor intensity, shortens the temporary electricity utilization installation time, improves the safety of the temporary electricity utilization installation and has good effect.
The 7 lower extremes of tight pole in top are equipped with T type action bars, and the operation environment satisfies the installation that the live working condition carries out electrically conductive lead wire clamp body 3 through insulating action bars, uses single drainage wire clamp to carry out the T on voltage circuit and connects and can install without the power failure, improves wiring efficiency, has improved the security of interim power consumption installation.
Claims (9)
1. A temporary electric connection structure for a low-voltage line is characterized by comprising a single lead clamp (1) and a positioning clamp (9), wherein the single lead clamp (1) comprises a conductive lead clamp body (3), a bending part (4) with a groove is arranged at the upper end of the conductive lead clamp body (3), a wiring port (5) is arranged on one side of the lower end of the conductive lead clamp body (3), the wiring port (5) is communicated with the conductive lead clamp body (3), a jacking support part (6) is arranged at the lower end of the conductive lead clamp body (3), a jacking rod (7) is arranged on the jacking support part (6), the jacking rod (7) is aligned with the groove of the bending part (4), the upper end of the positioning clamp (9) is fixed on a main line cross arm (10), a wire harness (11) is fixed at the lower end of the positioning clamp (9), one end of the wire harness (11) is electrically connected with the wiring port (5) on the conductive lead clamp body, the other end of the wire harness (11) is led out to be connected with a user.
2. A temporary electrical connection for low-voltage lines according to claim 1, characterized in that the upper end of the positioning clamp (9) is fixed to the main line cross-arm (10) by means of a clevis (2).
3. The temporary electric connection structure for low-voltage lines according to claim 2, wherein the hanging plate (2) comprises a U-shaped hanging plate groove (12), one wall of the U-shaped hanging plate groove (12) is provided with a threaded hole, a tightening bolt (13) is arranged in the threaded hole, the other wall of the U-shaped hanging plate groove (12) is provided with a mounting hole, the length of the wall of the groove on the side provided with the mounting hole is larger than that of the wall of the groove provided with the threaded hole, and the distance between the mounting hole and the bottom of the U-shaped hanging plate groove (12) is larger than that between the threaded hole and the bottom of the groove.
4. The temporary electric connection structure for the low-voltage line according to claim 1, wherein the positioning wire clamp (9) comprises a wire fixing clamp (14) and a connecting rod (15), a bent part is arranged in the middle of the connecting rod (5), threaded rods are arranged at two ends of the connecting rod (15), the wire fixing clamp (14) comprises a left clamping piece and a right clamping piece, the left clamping piece and the right clamping piece are connected through a bolt, and a binding hole for clamping and fixing the wiring harness (11) is formed in the contact end of the left clamping piece and the right clamping piece; the two sides of the clamping piece or the right clamping piece are provided with fixing parts connected with the two ends of the connecting rod (15).
5. The temporary electric connection structure for the low-voltage line according to claim 1, wherein the tightening rod (7) is connected with the tightening support portion (6) through a thread, and the end of the tightening rod (7) can reach the groove of the bending portion (4) or be far away from the groove of the bending portion by rotating the tightening rod (7).
6. The temporary electric connection structure for the low-voltage line according to claim 1, wherein a limiting portion is arranged at an end portion of the tightening rod (7), a through hole is formed in the tightening support portion (6), the tightening rod (7) is located in the through hole of the tightening support portion (6), a spring (8) is arranged between the limiting portion of the tightening rod (7) and an upper end face of the tightening support portion (6), and the tightening rod (7) is in groove contact with the bending portion (4) under the action of the spring (8).
7. The temporary electric connection structure for the low-voltage line according to claim 1, wherein a T-shaped operating rod is arranged at the lower end of the tightening rod (7), and the temporary electric connection structure further comprises an insulating operating rod, a through groove is formed in the upper end of the insulating operating rod, and the T-shaped operating rod can be located in the through groove.
8. The temporary electricity utilization structure for the low-voltage line according to claim 1, further comprising a temporary electricity utilization metering control box (16), wherein an electricity utilization meter and a wiring switch are arranged in the temporary electricity utilization metering control box (16), and the temporary electricity utilization metering control box (16) is fixed on an electric pole through a hoop support (17).
9. A temporary electric connection method for a temporary electric connection structure of a low-voltage line according to claim 1, comprising the steps of:
step 1), connecting one end of a temporary electricity utilization wire harness to be connected with a temporary electricity utilization metering control switch, then clamping and fixing the wire harness through a positioning wire clamp, and respectively connecting single electric conductors of the wire harness on different conductive lead clamp bodies;
step 2), fixing the positioning wire clamp on the main wire cross arm;
and 3) finally, carrying out T connection on the conductive lead clamp body and a power transmission line on the voltage line to finish temporary electricity utilization installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185451.6A CN110854779A (en) | 2019-11-27 | 2019-11-27 | Temporary power utilization and connection structure and method for low-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185451.6A CN110854779A (en) | 2019-11-27 | 2019-11-27 | Temporary power utilization and connection structure and method for low-voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110854779A true CN110854779A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911185451.6A Pending CN110854779A (en) | 2019-11-27 | 2019-11-27 | Temporary power utilization and connection structure and method for low-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110854779A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110001300U (en) * | 2009-07-30 | 2011-02-09 | 주식회사 평일 | Insulating support clamp for feed branch line |
| JP2012029500A (en) * | 2010-07-26 | 2012-02-09 | Tokyo Electric Power Co Inc:The | Lead-in device for distribution line |
| CN104716577A (en) * | 2015-02-12 | 2015-06-17 | 国家电网公司 | Special temporary electricity metering device capable of achieving electrified pull wiring |
| CN109216964A (en) * | 2018-10-28 | 2019-01-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controllable type run-resistant high-voltage electric power circuit grounding wire device |
-
2019
- 2019-11-27 CN CN201911185451.6A patent/CN110854779A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110001300U (en) * | 2009-07-30 | 2011-02-09 | 주식회사 평일 | Insulating support clamp for feed branch line |
| JP2012029500A (en) * | 2010-07-26 | 2012-02-09 | Tokyo Electric Power Co Inc:The | Lead-in device for distribution line |
| CN104716577A (en) * | 2015-02-12 | 2015-06-17 | 国家电网公司 | Special temporary electricity metering device capable of achieving electrified pull wiring |
| CN109216964A (en) * | 2018-10-28 | 2019-01-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controllable type run-resistant high-voltage electric power circuit grounding wire device |
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Application publication date: 20200228 |