CN112350086A - Cross locking type anti-drop grounding wire clamp for power line - Google Patents
Cross locking type anti-drop grounding wire clamp for power line Download PDFInfo
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- CN112350086A CN112350086A CN202011378358.XA CN202011378358A CN112350086A CN 112350086 A CN112350086 A CN 112350086A CN 202011378358 A CN202011378358 A CN 202011378358A CN 112350086 A CN112350086 A CN 112350086A
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- falling
- shaped hook
- power line
- arms
- pawl
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- 230000009467 reduction Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
Abstract
The invention discloses a cross locking type anti-falling grounding wire clamp for a power line, which comprises a U-shaped hook, wherein two inner sides of the U-shaped hook are rotatably connected with clamp arms, a first torsion spring is arranged between the clamp arms and the U-shaped hook, an anti-falling part capable of sliding along the vertical direction is arranged at the lower part of one side surface of the U-shaped hook, and anti-falling arms rotatably connected with the U-shaped hook are arranged on two sides of the anti-falling part; the two sides of the anti-falling part are provided with first teeth, the anti-falling arms are provided with second teeth meshed with the first teeth, when a lead enters the U-shaped hook, the lead firstly contacts the anti-falling part to drive the anti-falling part to slide, so that the two anti-falling arms rotate to seal an opening of the U-shaped hook; the back of the anti-falling component is provided with an anti-falling ratchet, the U-shaped hook is rotatably connected with a pawl matched with the anti-falling ratchet, and a second torsion spring is arranged between the pawl and the U-shaped hook so that the pawl keeps in contact with the anti-falling ratchet. The invention has the characteristics of safety, anti-drop, reduction of potential safety hazard, simple use and easy operation.
Description
Technical Field
The invention relates to the technical field of power line protection tools, in particular to a cross locking type anti-drop ground clamp for a power line.
Background
When the power-off maintenance operation of the power transmission line is carried out, the assembly and disassembly of the grounding wire are technical measures for ensuring safety. At present, the short circuit grounding wire clamp used by the alternating current-direct current circuit with the voltage level of 10kV and above is mostly an impact duckbilled wire clamp and a tongue-shaped compression wire clamp, and due to the structural and principle defects of the type of wire clamp, the potential safety hazard that the wire clamp and a wire are not firmly contacted, knocked or pulled to easily fall exists, meanwhile, the existing grounding wire is in a non-monitoring state in the whole course of the operation process, especially, in the long-time overhaul process, the grounding wire state cannot be effectively monitored for a long time, and the potential safety hazard is very large.
Disclosure of Invention
The invention aims to provide a cross locking type anti-falling grounding wire clamp for a power line, which has the characteristics of safety, anti-falling, reduction of potential safety hazard, simplicity in use and easiness in operation.
The invention is realized by the following technical scheme:
a cross locking type anti-drop grounding wire clamp for a power line comprises a U-shaped hook, wherein two inner sides of the U-shaped hook are rotatably connected with clamp arms, a first torsion spring is arranged between the clamp arms and the U-shaped hook, an anti-drop part capable of sliding in the vertical direction is arranged at the lower part of one side surface of the U-shaped hook, anti-drop arms are arranged on two sides of the anti-drop part, and the anti-drop arms are rotatably connected with the U-shaped hook;
the two sides of the anti-falling part are provided with first teeth, the anti-falling arms are provided with second teeth meshed with the first teeth, when a lead enters the U-shaped hook, the lead firstly contacts the anti-falling part to drive the anti-falling part to slide, so that the two anti-falling arms rotate towards the direction of mutual approaching to seal the opening of the U-shaped hook;
the back of the anti-falling component is provided with an anti-falling ratchet, the U-shaped hook is rotatably connected with a pawl matched with the anti-falling ratchet, and a second torsion spring is arranged between the pawl and the U-shaped hook so that the pawl is kept in contact with the anti-falling ratchet.
Optionally, the hook comprises two parallel U-shaped plates arranged side by side, and a connecting rib connecting the two U-shaped plates.
Optionally, the connecting rib and the two U-shaped plates are integrally formed.
Optionally, the both sides of anticreep part are equipped with the spout, one of them be equipped with the bar groove on the U template, the both sides card in bar groove the spout and with spout sliding connection.
Optionally, the pawl is connected with an unlocking ring, the unlocking ring is connected with an insulating unlocking rope, and the pawl can be separated from the anti-falling ratchet by pulling the insulating unlocking rope.
Optionally, the anti-dropping part is provided with an arc-shaped surface at one end contacted with the wire, and the arc-shaped surface can be attached to the surface of the wire.
Optionally, the anti-falling arm has an arc structure, and the openings of the two anti-falling arms are arranged oppositely.
Optionally, the bottom ends of the two clamping arms are provided with grooves on opposite sides.
Optionally, one side of the U-shaped hook is connected with a connection terminal.
The invention has at least the following advantages and beneficial effects: in the invention, two sides of the anti-falling part are both provided with anti-falling arms which are rotatably connected with the hook; the anti-falling device is simple and easy to operate, when in use, a lead is only required to be put into the hook, and when in use, the lead contacts the end part of the anti-falling part firstly to drive the anti-falling part to slide, so that the two anti-falling arms rotate towards the direction of mutual approaching together to seal the opening of the U-shaped hook, and the lead is further sealed in the U-shaped hook, namely a sealed space formed by the two anti-falling arms;
the back of anticreep part is equipped with the anticreep ratchet, rotate on the U type couple be connected with anticreep ratchet complex pawl, be equipped with second torque spring between pawl and the U type couple, so that the pawl with anticreep ratchet keep in touch, pawl and ratchet's cooperation make the anticreep part can only slide towards the direction of keeping away from the wire (promptly under the prerequisite of pawl and ratchet mutually supporting, two anti-drop arms can only rotate towards the direction of drawing close each other), thereby reached and avoided the wire to take off, greatly reduced the potential safety hazard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a first structural schematic diagram of a cross locking type anti-drop ground clamp for a power line, provided by the invention;
fig. 2 is a structural schematic diagram of a cross locking type anti-drop ground clamp for a power line according to the present invention;
fig. 3 is an exploded schematic diagram of a cross locking anti-drop ground clip for a power line according to the present invention;
FIG. 4 is a schematic structural view of the anti-slip member;
FIG. 5 is a schematic view of the pawl construction;
FIG. 6 is a schematic view showing a state where a wire is put into a U-shaped hook;
FIG. 7 is a schematic view showing a state where a U-shaped hook is taken out of a wire;
icon: the anti-falling device comprises a 1-U-shaped hook, a 101-U-shaped plate, a 101 a-strip-shaped groove, a 102-connecting rib, a 2-clamping arm, a 201-groove, a 3-first torsion spring, a 4-anti-falling part, a 401-first tooth, a 402-anti-falling ratchet, a 403-sliding groove, a 404-arc-shaped surface, a 5-anti-falling arm, a 501-second tooth, a 6-wire, a 7-wiring terminal, an 8-pawl, a 9-second torsion spring, a 10-unlocking ring and an 11-insulating unlocking rope.
Detailed Description
As shown in fig. 1 to 5, a cross locking type anti-drop ground clamp for a power line includes a U-shaped hook 1, two inner sides of the U-shaped hook 1 are rotatably connected with clamping arms 2, a first torsion spring 3 is arranged between the clamping arms 2 and the U-shaped hook 1, and the two clamping arms 2 maintain clamping force through the arranged torsion springs.
In this embodiment, the U-shaped hook 1 includes two U-shaped plates 101 arranged in parallel, and a connecting rib 102 connecting the two U-shaped plates 101, and the connecting rib 102 may be provided with one or more than one; further, the connecting ribs 102 and the two U-shaped plates 101 are integrally formed, so that the strength and the stability of the U-shaped hook 1 are better guaranteed.
In this embodiment, the bottom of two arm lock 2 inclines in opposite directions and is equipped with recess 201, and when wire 6 put into 1 bottom of U type couple, recess 201 and wire 6's surface laminating can play limiting displacement to a certain extent.
In this embodiment, one side of the U-shaped hook 1 is connected with the connection terminal 7, and when in use, the connection terminal 7 can be connected with a ground lead.
In this embodiment, an anti-falling member 4 capable of sliding in the up-down direction is disposed on a lower portion of one side of the U-shaped hook 1, specifically, sliding grooves 403 are disposed on two sides of the anti-falling member 4, a strip-shaped groove 101a is disposed on one of the U-shaped plates 101, and two sides of the strip-shaped groove 101a are inserted into the sliding grooves 403 and slidably connected with the sliding grooves 403.
In this embodiment, anti-drop part 4's both sides all are equipped with anti-drop arm 5, anti-drop arm 5 rotates with U type couple 1 to be connected, anti-drop part 4's both sides all are equipped with first tooth 401, anti-drop arm 5 is equipped with the second tooth 501 with first tooth 401 meshing, so set up, easy to use easily operates, only need during the use to put into the couple with wire 6, wire 6 contacts anti-drop part 4's tip earlier when putting into, it slides to drive anti-drop part 4, make two anti-drop arms 5 rotate towards the direction of drawing close each other and seal U type couple 1's opening, and then seal wire 6 in U type couple 1 is in the enclosure space that two anti-drop arms 5 are constituteed.
In this embodiment, anti-drop arm 5 arc structure, two anti-drop arm 5's opening sets up in opposite directions, embraces wire 6 through arc structure, avoids droing.
In this embodiment, the one end tip that anticreep part 4 and wire 6 contacted is equipped with arcwall face 404, and arcwall face 404 can laminate with wire 6 surface, so sets up, can carry out certain spacing to wire 6 in left right direction, makes moreover fixed in the atress direction when promoting wire 6 decurrent, and it is easier to promote anticreep part 4.
In this embodiment, the back of anticreep part 4 is equipped with anticreep ratchet 402, rotate on the U type couple 1 be connected with anticreep ratchet 402 complex pawl 8, be equipped with second torsion spring 9 between pawl 8 and the U type couple 1, so that pawl 8 and anticreep ratchet 402 keep in contact, pawl 8 makes anticreep part 4 can only slide towards the direction of keeping away from wire 6 with the cooperation of ratchet (promptly under the prerequisite of pawl 8 and ratchet mutually supporting, two anti-drop arms 5 can only rotate towards the direction of drawing close each other), thereby reached and avoided wire 6 to take off, greatly reduced the potential safety hazard.
In this embodiment, the pawl 8 is connected with an unlocking ring 10, the unlocking ring 10 is connected with an insulating unlocking rope 11, and the pawl 8 can be separated from the anti-falling ratchet 402 by pulling the insulating unlocking rope 11.
The using method of the invention is as follows: during the use, connect ground lead through binding post 7 (in practice, ground lead connects the earthing terminal of whole wire 6 through the fastener and fixes on the tower material cross arm), aim at wire 6 between two arm lock 2, slowly insert U type couple 1 bottom, wire 6 contacts the tip of anticreep part 4 at first, drive anticreep part 4 and slide, make two anticreep arms 5 rotate towards the direction of drawing close together each other and seal the opening of U type couple 1 (as shown in figure 6), and then seal wire 6 in U type couple 1, the enclosure space that two anticreep arms 5 constitute, through setting up ratchet and pawl 8 cooperation, lock the reverse slip of anticreep part 4 (avoid anticreep part 4 reverse slip promptly), thereby reach the mesh of anticreep.
When the conductor 6 needs to be taken out from the U-shaped hook 1 after the grounding operation is finished (as shown in fig. 7), the operator only needs to pull the insulation unlocking rope 11 with force, at this time, the present invention is rotated by 180 degrees around the conductor 6 as a whole under the pulling attraction, so that the opening of the U-shaped hook 1 faces downward, and the operator pulls the insulation unlocking rope 11 with force again, so that the pawl 8 is separated from the anti-falling ratchet 402, the anti-falling part 4 can slide toward the conductor 6, and the anti-falling arm 5 is opened, so that the conductor 6 is taken out.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a power line is with alternately closed anti-drop earth clamp, includes U type couple (1), two inboards of U type couple (1) all rotate and are connected with arm lock (2), are equipped with first torsion spring (3), its characterized in that between arm lock (2) and U type couple (1): an anti-falling part (4) capable of sliding in the vertical direction is arranged at the lower part of one side face of the U-shaped hook (1), anti-falling arms (5) are arranged on two sides of the anti-falling part (4), and the anti-falling arms (5) are rotatably connected with the U-shaped hook (1);
the anti-falling device is characterized in that first teeth (401) are arranged on two sides of the anti-falling part (4), second teeth (501) meshed with the first teeth (401) are arranged on the anti-falling arms (5), when a lead (6) enters the U-shaped hook (1), the lead firstly contacts the anti-falling part (4) to drive the anti-falling part (4) to slide, so that the two anti-falling arms (5) rotate towards the direction of closing each other to seal an opening of the U-shaped hook (1);
the back of the anti-falling component (4) is provided with an anti-falling ratchet (402), the U-shaped hook (1) is rotatably connected with a pawl (8) matched with the anti-falling ratchet (402), and a second torsion spring (9) is arranged between the pawl (8) and the U-shaped hook (1) so that the pawl (8) keeps in contact with the anti-falling ratchet (402).
2. The cross-latching anti-drop ground clamp for the power line according to claim 1, wherein: the U-shaped hook (1) comprises two U-shaped plates (101) which are arranged in parallel, and connecting ribs (102) for connecting the two U-shaped plates (101).
3. The cross-latching anti-drop ground clamp for the power line according to claim 2, wherein: the connecting ribs (102) and the two U-shaped plates (101) are integrally formed.
4. The cross-latching anti-drop ground clamp for the power line according to claim 2, wherein: the both sides of anticreep part (4) are equipped with spout (403), one of them be equipped with bar groove (101a) on U template (101), the both sides card in bar groove (101a) spout (403) and with spout (403) sliding connection.
5. The cross-locking anti-drop ground clamp for the power line according to any one of claims 1 to 4, wherein: the pawl (8) is connected with an unlocking ring (10), the unlocking ring (10) is connected with an insulating unlocking rope (11), and the pawl (8) can be separated from the anti-falling ratchet (402) by pulling the insulating unlocking rope (11).
6. The cross-locking anti-drop ground clamp for the power line according to any one of claims 1 to 4, wherein: anticreep part (4) are equipped with arcwall face (404) with the one end tip that wire (6) contacted, arcwall face (404) can be laminated with wire (6) surface.
7. The cross-locking anti-drop ground clamp for the power line according to any one of claims 1 to 4, wherein: the anti-falling arms (5) are of arc structures, and the openings of the two anti-falling arms (5) are oppositely arranged.
8. The cross-locking anti-drop ground clamp for the power line according to any one of claims 1 to 4, wherein: and grooves (201) are arranged at the opposite sides of the bottom ends of the two clamping arms (2).
9. The cross-locking anti-drop ground clamp for the power line according to any one of claims 1 to 4, wherein: one side of the U-shaped hook (1) is connected with a wiring terminal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378358.XA CN112350086B (en) | 2020-11-30 | 2020-11-30 | Cross locking type anti-drop grounding wire clamp for power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378358.XA CN112350086B (en) | 2020-11-30 | 2020-11-30 | Cross locking type anti-drop grounding wire clamp for power line |
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| Publication Number | Publication Date |
|---|---|
| CN112350086A true CN112350086A (en) | 2021-02-09 |
| CN112350086B CN112350086B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011378358.XA Active CN112350086B (en) | 2020-11-30 | 2020-11-30 | Cross locking type anti-drop grounding wire clamp for power line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975671A (en) * | 2021-10-29 | 2022-01-28 | 广西通量能源技术有限公司 | High-applicability anti-drop hanging and detaching mechanism for power transmission and transportation inspection |
| CN115036757A (en) * | 2022-07-01 | 2022-09-09 | 国网安徽省电力有限公司滁州市城郊供电公司 | Electric power grounding wire clamp and grounding device thereof |
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| CN111244650A (en) * | 2020-04-21 | 2020-06-05 | 国家电网公司 | Anti-drop ground clamp based on sawtooth meshing structure and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975671A (en) * | 2021-10-29 | 2022-01-28 | 广西通量能源技术有限公司 | High-applicability anti-drop hanging and detaching mechanism for power transmission and transportation inspection |
| CN115036757A (en) * | 2022-07-01 | 2022-09-09 | 国网安徽省电力有限公司滁州市城郊供电公司 | Electric power grounding wire clamp and grounding device thereof |
| CN115036757B (en) * | 2022-07-01 | 2023-08-08 | 国网安徽省电力有限公司滁州市城郊供电公司 | Electric power grounding wire clamp and grounding device thereof |
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| CN112350086B (en) | 2021-11-23 |
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Effective date of registration: 20231124 Address after: 530021 the Guangxi Zhuang Autonomous Region Qingxiu District of Nanning Hui Chun Road No. 3 Patentee after: EXTRA-HIGH VOLTAGE POWER TRANSMISSION (NANJING) CORPORATION OF CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: 530021 the Guangxi Zhuang Autonomous Region Qingxiu District of Nanning Hui Chun Road No. 3 Patentee before: EXTRA-HIGH VOLTAGE POWER TRANSMISSION (NANJING) CORPORATION OF CHINA SOUTHERN POWER GRID Co.,Ltd. Patentee before: SHENZHEN XINNANRUN POWER TECHNOLOGY Co.,Ltd. |