CN216958554U - Grounding wire device for power transmission line maintenance - Google Patents
Grounding wire device for power transmission line maintenance Download PDFInfo
- Publication number
- CN216958554U CN216958554U CN202122877116.1U CN202122877116U CN216958554U CN 216958554 U CN216958554 U CN 216958554U CN 202122877116 U CN202122877116 U CN 202122877116U CN 216958554 U CN216958554 U CN 216958554U
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- grounding wire
- upper clamping
- power transmission
- transmission line
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model provides a grounding wire device for overhauling a power transmission line, which comprises an inner pipe and an outer pipe screwed on the inner pipe through threads, wherein two ends of the inner pipe extend out of the outer pipe; an upper clamping piece is rotatably sleeved on the outer side wall of the first end of the inner tube, a lower clamping piece opposite to the upper clamping piece is arranged on the outer side wall of the first end of the outer tube, a clamping cavity is formed between the upper clamping piece and the lower clamping piece, and the side wall of the clamping cavity is connected with a grounding wire; the upper clamping piece is provided with a guide strip penetrating through the lower clamping piece, and the second end of the inner tube is provided with a screwing part for rotating the inner tube to expand/contract the clamping cavity; according to the grounding wire device for power transmission line maintenance, when a power grid line needs to be clamped, the second end of the inner tube is screwed, the upper clamping piece and the lower clamping piece are always kept in a relative state due to the existence of the guide strip, the inner tube is contracted downwards to drive the upper clamping piece to move downwards to be clamped with the lower clamping piece, the power grid line can be clamped, a worker does not need to operate the first clamping piece and the second clamping piece to realize clamping, and the grounding wire device is convenient to operate.
Description
Technical Field
The utility model relates to an electric power overhaul device, in particular to a grounding wire device for overhauling a power transmission line.
Background
When a high-voltage and ultrahigh-voltage power transmission system network fails, a worker needs to perform power failure maintenance operation on a power grid line, and in order to avoid injury to the worker, the worker needs to install a grounding wire on the power grid line.
At present, the existing grounding wire devices all adopt a grounding rod structure, the upper end of the grounding rod is suspended on a power grid to be overhauled, and a wire clamp at the top end of the grounding rod needs to be manually operated to clamp the power grid line; some power grid lines have higher grounding points, and the wire clamps can be touched by a worker through stepping on the support even, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the background art and provides a grounding wire device for power transmission line maintenance.
The embodiment of the utility model is realized by the following technical scheme:
the grounding wire device for the maintenance of the power transmission line comprises an inner pipe and an outer pipe screwed on the inner pipe through threads, wherein two ends of the inner pipe extend out of the outer pipe; an upper clamping piece is rotatably sleeved on the outer side wall of the first end of the inner pipe, a lower clamping piece opposite to the upper clamping piece is arranged on the outer side wall of the first end of the outer pipe, a clamping cavity for clamping a power grid line is formed between the upper clamping piece and the lower clamping piece, and the side wall of the clamping cavity is connected with a grounding wire; the upper clamping piece is provided with a guide strip penetrating through the lower clamping piece, and the second end of the inner tube is provided with a screwing part for rotating the inner tube to expand/contract the clamping cavity.
In some preferred embodiments, the lower clip is provided with a guide hole matched with the guide strip, the lower end of the guide strip penetrates through the guide hole and extends to the outer side below the guide hole, and the lower end of the guide strip is connected with the grounding wire.
In some preferred embodiments, a connecting portion is disposed at a lower end of the guide bar, a first end of the ground wire is sleeved on the connecting portion, and a second end of the ground wire is provided with a ground terminal.
In some preferred embodiments, the first end outer side wall of the inner pipe is provided with a first limit and a second limit which are annular; the upper clamping sheet is sleeved on the outer side wall of the inner tube between the first limit and the second limit.
In some preferred embodiments, the lower end surface of the upper clamping piece is provided with an upper clamping portion, a plurality of upper clamping grooves are formed in the upper clamping portion, the upper end surface of the lower clamping piece is provided with a lower clamping portion, and a plurality of lower clamping grooves opposite to the plurality of upper clamping grooves are formed in the lower clamping portion;
when the clamping cavity is closed, the upper clamping groove and the lower clamping groove which are opposite up and down in each group are abutted to form a group of circular clamping cavity units.
In some preferred embodiments, the lumen units have different inner diameters, such that in some preferred embodiments, the first end of the upper clip is connected to the inner tube and the first end of the lower clip is connected to the outer tube; the second end of the upper clamping piece is provided with a downward bent part, a downward bolt piece is arranged on the bent part, and a bolt hole is arranged at the second end of the lower clamping piece; when the clamping cavity is closed, the plug pin sheet is inserted into the plug pin hole.
In some preferred embodiments, a handle portion is provided on the outer side wall of the second end of the outer tube, an inner wall of the handle portion is provided with an internal thread, and the outer side wall of the inner tube is in threaded connection with the handle portion.
In some preferred embodiments, the cross-sectional profile of the screw part has a regular polygonal structure in any cross-section perpendicular to the axis of the inner tube.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:
in the grounding wire device for overhauling the power transmission line, the upper clamping piece is rotatably connected to the outer side wall of the first end of the inner tube, the lower clamping piece is connected to the outer side wall of the first end of the outer tube, and the inner tube is in threaded connection with the outer tube; when the power grid line needs to be clamped, the second end of the inner tube is screwed, the upper clamping piece and the lower clamping piece are always kept in a relative state due to the existence of the guide strip, the inner tube contracts downwards to drive the upper clamping piece to move downwards and approach the lower clamping piece to clamp the power grid line, a worker does not need to operate the first clamping piece and the second clamping piece to achieve clamping action, and operation is convenient.
Drawings
Fig. 1 is a first perspective view of a grounding wire device for power transmission line maintenance of the utility model;
fig. 2 is a second perspective view of the grounding wire device for power transmission line maintenance of the utility model;
FIG. 3 is an enlarged view of portion A of FIG. 1;
icon: 1-outer tube, 10-handle part, 2-inner tube, 20-screwing part, 21-first limit, 22-second limit, 3-upper clamping piece, 30-guide strip, 300-connecting part, 31-bending part, 310-pin piece, 32-upper clamping part, 320-upper clamping groove, 4-lower clamping piece, 40-guide hole, 41-pin hole, 42-lower clamping part, 420-lower clamping groove, 5-grounding wire and 50-grounding terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 3, the utility model provides a ground wire device for power transmission line maintenance, which comprises an outer pipe 1, an inner pipe 2, an upper clamping piece 3, a lower clamping piece 4 and a ground wire 5, wherein the outer pipe 1 and the inner pipe 2 are both made of plastic materials, and the length of the inner pipe 1 is greater than that of the outer pipe 2.
Be equipped with the external screw thread on the lateral wall of inner tube 2, be equipped with the internal thread on the inside wall of inner tube 1, during outer tube 1 was worn to locate by inner tube 2, the both ends of inner tube 2 all extended to outer tube 1 outside, twisted inner tube 2 soon, can make inner tube 2 stretch out and draw back from top to bottom in outer tube 1.
Defining the upper end of the inner tube 2 as a first end and the lower end as a second end, the upper end of the outer tube 1 as a first end and the lower end as a second end, and rotatably sleeving an upper clamping piece 3 on the outer side wall of the first end of the inner tube 2, specifically, an annular first limit 21 and an annular second limit 22 are arranged on the outer side wall of the first end of the inner tube 2; the first end of the upper clip 3 is sleeved on the outer side wall of the inner tube 2 between the first limit 21 and the second limit 22.
A lower clamping piece 4 opposite to the upper clamping piece 3 is fixedly mounted on the outer side wall of the first end of the outer tube 1, a clamping cavity for clamping a power grid line is formed between the upper clamping piece 3 and the lower clamping piece 4, the side wall of the clamping cavity is connected with a grounding wire 5, and the upper clamping piece 3 and the lower clamping piece 4 are both made of metal conductors; in addition, the lower end surface of the upper clamping piece 3 is provided with a guide strip 30 penetrating through the lower clamping piece 4, and the guide strip 30 can be penetrated in the guide strip 30 in a vertically sliding manner, so that the upper clamping piece 3 and the lower clamping piece 4 can be kept in an opposite state in the relative approaching or departing process.
The second end of the inner tube 2 is provided with a screwing part 20 for rotating the inner tube 2 to move the upper clamping piece 3 up and down relative to the lower clamping piece 4, so that the clamping cavity is expanded/reduced, and clamping or loosening is realized.
Referring to fig. 3, in some embodiments, the lower clip 4 is provided with a guide hole 40 matching with the guide bar 30, in this embodiment, the guide hole 40 is long, the lower end of the guide bar 30 penetrates through the guide hole 40 and extends to the outside below the guide hole 40, and the lower end of the guide bar 30 is connected to the ground wire 5, that is: the lower end of the guide bar 30 is provided with a connecting portion 300, a first end of the ground wire 5 is sleeved on the connecting portion 300, and a second end of the ground wire 5 is provided with a ground terminal 50.
Referring to fig. 3, in some embodiments, the lower end surface of the upper clamping piece 3 is provided with an upper clamping portion 32, a plurality of upper clamping grooves 320 are provided in the upper clamping portion 32, and in this embodiment, four sets of upper clamping grooves 320 are provided; the upper end surface of the lower clamping piece 4 is provided with a lower clamping part 42, and the lower clamping part 42 is provided with four groups of lower clamping grooves 420 which are opposite to the four groups of upper clamping grooves 320.
When the clamping cavity is closed, each group of upper clamping grooves 320 and lower clamping grooves 420 which are opposite up and down are abutted to form a group of circular clamping cavity units; furthermore, optionally, the clamping cavity units have different inner diameters for clamping the power grid lines with different outer diameters.
Referring to fig. 3, in some embodiments, a first end of the upper clip 3 is connected to the inner tube 2, and a first end of the lower clip 4 is connected to the outer tube 1; a downward bent part 31 is arranged at the second end of the upper clamping piece 3, a downward latch piece 310 is arranged on the bent part 31, and a latch hole 41 is arranged at the second end of the lower clamping piece 4; when the clamping cavity is closed, the latch piece 310 is inserted into the latch hole 41; when the clamping cavity is released, the latch piece 310 is disengaged from the latch hole 41; the downward extension length of the plug piece 310 is greater than the downward extension height of the upper clamping portion 32, so that in the clamping process, after the power grid line enters the clamping cavity and before the upper clamping portion 32 and the lower clamping portion 42 are closed, the plug piece 310 is already inserted into the plug hole 41, and the power grid line is ensured not to be extruded out of the clamping cavity.
In this embodiment, a handle portion 10 is disposed on an outer side wall of the second end of the outer tube 1, an inner wall of the handle portion 10 is provided with an internal thread, an outer side wall of the inner tube 2 is in threaded connection with the handle portion 10, and on any cross section perpendicular to an axis of the inner tube 2, a cross section profile of the screwing portion 20 is a regular polygon structure, which facilitates the application of force for screwing.
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 grounding wire device for overhauling the power transmission line is characterized by comprising an inner pipe (2) and an outer pipe (1) screwed on the inner pipe (2) through threads, wherein two ends of the inner pipe (2) extend out of the outer pipe (1); an upper clamping piece (3) is rotatably sleeved on the outer side wall of the first end of the inner pipe (2), a lower clamping piece (4) opposite to the upper clamping piece (3) is arranged on the outer side wall of the first end of the outer pipe (1), a clamping cavity for clamping a power grid circuit is formed between the upper clamping piece (3) and the lower clamping piece (4), and the side wall of the clamping cavity is connected with a grounding wire (5); the upper clamping piece (3) is provided with a guide strip (30) penetrating through the lower clamping piece (4), and the second end of the inner tube (2) is provided with a screwing part (20) for rotating the inner tube (2) to expand/contract the clamping cavity.
2. The grounding wire device for the power transmission line overhaul according to claim 1, wherein a guide hole (40) matched with the guide strip (30) is formed in the lower clamping piece (4), the lower end of the guide strip (30) penetrates through the guide hole (40) and extends to the outer side below the guide hole (40), and the lower end of the guide strip (30) is connected with the grounding wire (5).
3. The grounding wire device for the power transmission line overhaul according to claim 2, wherein a connecting part (300) is arranged at the lower end of the guide strip (30), a first end of the grounding wire (5) is sleeved on the connecting part (300), and a second end of the grounding wire (5) is provided with a grounding terminal (50).
4. The grounding wire device for power transmission line maintenance according to claim 1, wherein the outer side wall of the first end of the inner pipe (2) is provided with a first annular limit (21) and a second annular limit (22); the upper clamping piece (3) is sleeved on the outer side wall of the inner tube (2) between the first limit (21) and the second limit (22).
5. The ground wire device for power transmission line maintenance according to claim 1, wherein an upper clamping portion (32) is arranged on the lower end surface of the upper clamping piece (3), a plurality of upper clamping grooves (320) are formed in the upper clamping portion (32), a lower clamping portion (42) is arranged on the upper end surface of the lower clamping piece (4), and a plurality of lower clamping grooves (420) opposite to the upper clamping grooves (320) are formed in the lower clamping portion (42);
when the clamping cavity is closed, each set of upper clamping groove (320) and lower clamping groove (420) which are opposite up and down are abutted to form a set of circular clamping cavity unit.
6. The grounding wire device for power transmission line maintenance according to claim 5, wherein the plurality of cavity clamping units have different inner diameters so as to respectively clamp power grid lines with different diameters.
7. The grounding wire device for the power transmission line overhaul according to claim 6, wherein a first end of the upper clamping piece (3) is connected with the inner pipe (2), and a first end of the lower clamping piece (4) is connected with the outer pipe (1); a downward bent part (31) is arranged at the second end of the upper clamping piece (3), a downward bolt piece (310) is arranged on the bent part (31), and a bolt hole (41) is arranged at the second end of the lower clamping piece (4); when the clamping cavity is closed, the latch sheet (310) is inserted into the latch hole (41).
8. The ground wire device for power transmission line maintenance according to claim 1, characterized in that a handle part (10) is arranged on the outer side wall of the second end of the outer tube (1), an inner thread is arranged on the inner wall of the handle part (10), and the outer side wall of the inner tube (2) is in threaded connection with the handle part (10).
9. The grounding wire device for the power transmission line maintenance according to claim 1, wherein the cross-sectional profile of the screwing part (20) is in a regular polygon structure on any cross section perpendicular to the axis of the inner pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877116.1U CN216958554U (en) | 2021-11-23 | 2021-11-23 | Grounding wire device for power transmission line maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877116.1U CN216958554U (en) | 2021-11-23 | 2021-11-23 | Grounding wire device for power transmission line maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958554U true CN216958554U (en) | 2022-07-12 |
Family
ID=82304207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122877116.1U Active CN216958554U (en) | 2021-11-23 | 2021-11-23 | Grounding wire device for power transmission line maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958554U (en) |
-
2021
- 2021-11-23 CN CN202122877116.1U patent/CN216958554U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216958554U (en) | Grounding wire device for power transmission line maintenance | |
| CN114784735B (en) | Wire lifting device for electric wires and cables | |
| CN104269669B (en) | A kind of earth lead | |
| CN205882550U (en) | Wire hangs special processing tool of foreign matter | |
| CN211788505U (en) | Transformer mounting structure | |
| CN212715879U (en) | Scaffold connecting piece | |
| CN211208698U (en) | Novel complete set grounding device for 220kV power transmission line | |
| CN210490393U (en) | Strain clamp | |
| CN209844373U (en) | 66KV transformer substation grounding wire high-altitude hanging device | |
| CN218300884U (en) | Lightning-proof overhead line for power engineering | |
| CN203150833U (en) | Universal hook for ground lead | |
| CN220072687U (en) | Tool for quickly dredging electric wire tube | |
| CN210153069U (en) | F-shaped through bolt locking device | |
| CN218377157U (en) | Direct-mounted decoder for stroke detection of hydraulic cylinder of pumped storage power station | |
| CN215318431U (en) | R round pin insulator pole is with simply getting round pin ware | |
| CN215184597U (en) | Hanging device for grounding wire of power transmission line corner tower | |
| CN216121722U (en) | Cable protection device for electrical engineering electric wire netting | |
| CN218900625U (en) | Safety belt hanging device on upper part of switch cabinet | |
| CN214576148U (en) | Novel electric power installation cross arm | |
| CN216362236U (en) | Cable erection supporting device for electromechanical installation | |
| CN203967604U (en) | Intelligent SF6 loop-network switch cabinet | |
| CN218586866U (en) | Butt joint of cable and terminal equipment | |
| CN217281908U (en) | Draw gear is used in cable processing | |
| CN214900022U (en) | Wiring concentrator that building intelligent engineering was used | |
| CN209389561U (en) | A kind of insulation outlet flat ladder for binary fission conducting wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Floor 1, No. 105, Hongdoushu Street, Jinjiang District, Chengdu, Sichuan 610000 Patentee after: Sichuan South China Electric Power Design Institute Co.,Ltd. Address before: No. 1602-2, 16th floor, No. 48, Shuxi Road, high tech Industrial Park, Jinniu District, Chengdu, Sichuan 610000 Patentee before: Tengkai Electric Power Survey and Design Co.,Ltd. |
|
| CP03 | Change of name, title or address |