CN203967264U - A kind of portable dedicated earthing device - Google Patents
A kind of portable dedicated earthing device Download PDFInfo
- Publication number
- CN203967264U CN203967264U CN201420367202.5U CN201420367202U CN203967264U CN 203967264 U CN203967264 U CN 203967264U CN 201420367202 U CN201420367202 U CN 201420367202U CN 203967264 U CN203967264 U CN 203967264U
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- China
- Prior art keywords
- hook
- leading screw
- jaw
- jacking block
- securing member
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- Expired - Fee Related
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Abstract
The utility model provides a kind of portable dedicated earthing device, its structure is by ground connection drill rod, conductor cable, hook connects securing member, wherein, the top of ground connection drill rod is provided with terminal block, terminal block is bolted the upper end of conductor cable, the upper end that the lower end of conductor cable connects securing member by bolt and hook is connected, it is to be clamped by hook-type that hook connects securing member, leading screw and jaw jacking block composition, the bottom of hook-type pincers is provided with screwed hole, leading screw is screwed in screwed hole by screw thread, the upper end of leading screw is provided with jaw jacking block, the jaw of the upper end of jaw jacking block and hook-type pincers matches, the lower end of leading screw is provided with screwing wrench.This Special grounding device fitting operation is simple, flexible, and dismounting is efficient and convenient, and the mechanical strength of contact resistance and tie point meets code requirement, and the temporary grounding utmost point and earth resistance meet code requirement.
Description
Technical field
The utility model relates to and send power transformation technical field, specifically a kind of portable dedicated earthing device.
Background technology
Within 2015, tentatively build up the target call of " the last one three is excellent " Modern Corporation strategy for realizing State Grid Corporation of China, rely on scientific and technological advances and large-scale strong intelligent grid construction, particularly " ultra high voltage " whole nation is built in length and breadth, rise to national project construction project, city automation (looped network engineering or mutual for engineering hand in hand) and the construction of rural power grids upgrading are in full swing in state's net system, power circuit multiloop, can not set up and vicinity with electric pressure with bar, the alive circuits such as scissors crossing, build sturdy power grid simultaneously and adopt in a large number pipe tower and Y type or gantry tower, at facility spreading conducting wire, the extensive application of the construction technologies such as mechanical traction, " electric power safety working regulation " circuit pack regulation of promulgating according to State Grid Corporation of China:
3.5.1 job site is if any vicinity, parallel, scissors crossing and with tower erection circuit, for preventing that on interruption maintenance circuit, induced voltage is hurted sb.'s feelings, in needs contact or while approaching wire work, should use individual safety wire;
3.4.7 for the shaft tower of no ground downlead, can adopt temporary grounding body.The sectional area of earth electrode is forbidden to be less than 190mm2(as ф 16 round steel).Earth electrode is forbidden to be less than 0.6m in the subsurface degree of depth.For the higher area of soil resistivity, as rock, rubble, sandy soil etc., should take to increase the measures such as earth electrode radical, length, sectional area or the buried degree of depth and improve earth resistance;
6.4.13.1 in the time that contiguous or crossing live-line are taked tension stringing, hauling machine, tensioner body, pull rope, lead wire and earth wire coaster, answered ground connection by the releasing pulley of both sides, spanning the transmission line road.When contiguous 750kV and above circuit unwrapping wire, operating personnel should stand on special wire netting, the necessary ground connection of wire netting;
5.3.10 the drafting tool such as winch is answered ground connection, and the wire in let-down and erection process also answers ground connection to prevent induced electricity.
In sum: power circuit pipe tower, steel tower, unfolding take-up reel support, trailing equipment, controller switching equipment shell must just can carry out standardized work construction after reliable ground, it is the concrete behave of implementing " safety " execution " safety ", greatly increase safe construction coefficient, stop industrial accident.
Summary of the invention
Technical assignment of the present utility model is to provide a kind of portable dedicated earthing device.
The technical solution of the utility model realizes in the following manner, comprise that ground connection drill rod, conductor cable, hook connect securing member, wherein, the top of ground connection drill rod is provided with terminal block, terminal block is bolted the upper end of conductor cable, and the upper end that the lower end of conductor cable connects securing member by bolt and hook is connected.
Described portable dedicated earthing device, hook connects securing member and is made up of hook-type pincers, leading screw and jaw jacking block, the bottom of hook-type pincers is provided with screwed hole, leading screw is screwed in screwed hole by screw thread, the upper end of leading screw is provided with jaw jacking block, the jaw of the upper end of jaw jacking block and hook-type pincers matches, and the lower end of leading screw is provided with screwing wrench.
Described portable dedicated earthing device, the lower end of jaw jacking block is provided with blind hole, and the side of blind hole is provided with a hole, silk is provided with screw in hole, the upper end of leading screw is inserted among blind hole, and the upper end of leading screw is also processed with cannelure, and screw is connected leading screw upper end is positioned among blind hole with cannelure.
Portable dedicated earthing device of the present utility model has following outstanding beneficial effect:
1) this Special grounding device practicality high, easy to use, quick, be easy to carry;
2) this Special grounding device fitting operation is simple, flexible, and dismounting is efficient and convenient, and the mechanical strength of contact resistance and tie point meets code requirement, and the temporary grounding utmost point and earth resistance meet code requirement;
3) this Special grounding device is easy to maintenance, easy to maintenance, only the copper oxide layer of connecting portion need be removed with sand papering, can reuse;
4) this Special grounding device earth resistance is less than 30 ohm, meets the requirement that code protective earthing is less than 30 ohm;
5) adopt high-intensity aluminium alloy Special wire-clip, bolted crimping, contact resistance is little, solid and reliable;
6) Special wire-clip adopts inclined mouth type, is convenient to install, remove.
We carry out technological innovation according to standardized work construction characteristic in line with convenient, fast, innovation, practicality, simple, the portable principle earth connection of dismounting mode: welding earth electrode, the transparent soft copper heart yearn of multiply, aluminum Special-purpose connecting line folder, adopt copper interconnection technique to increase mechanical strength, reduce contact resistance, meet the facility shell reliable ground requirement of various places.
Brief description of the drawings
Fig. 1 is the structural representation of portable dedicated earthing device.
Mark in accompanying drawing represents respectively: ground connection drill rod 1, terminal block 2, conductor cable 3, hook-type pincers 4, jaw jacking block 5, screwed hole 6, leading screw 7, screwing wrench 8, blind hole 9, screw 10, cannelure 11.
Embodiment
Below in conjunction with accompanying drawing, a kind of portable dedicated earthing device of the present utility model is described in further detail.
A kind of portable dedicated earthing device of the present utility model, its structure is connected securing member and is formed by ground connection drill rod 1, conductor cable 3, hook, wherein, the top of ground connection drill rod 1 is provided with terminal block 2, terminal block 2 is bolted the upper end of conductor cable 3, and the upper end that the lower end of conductor cable 3 connects securing member by bolt and hook is connected.
Described portable dedicated earthing device, hook connects securing member and is made up of hook-type pincers 4, leading screw 7 and jaw jacking block 5, the bottom of hook-type pincers 4 is provided with screwed hole 6, leading screw 7 is screwed in screwed hole 6 by screw thread, the upper end of leading screw 7 is provided with jaw jacking block 5, the jaw of the upper end of jaw jacking block 5 and hook-type pincers 4 matches, and the lower end of leading screw 7 is provided with screwing wrench 8.
Described portable dedicated earthing device, the lower end of jaw jacking block 5 is provided with blind hole 9, the side of blind hole 9 is provided with a hole, silk is provided with screw 10 in hole, the upper end of leading screw 7 is inserted among blind hole 9, the upper end of leading screw 7 is also processed with cannelure 11, and screw 10 is connected leading screw 7 upper ends are positioned among blind hole 9 with cannelure 11.
When use, ground connection drill rod is hammered into underground.The other end that hook connects securing member tightens together with the equipment connection using in cable disc, line bar, wire barrow and construction operation.
By the use to portable dedicated earthing device, improve the dynamics of carrying out " safety ", stop to joint use, scissors crossing, the injury of parallel circuit induced electricity to construction operation personnel, promote the enforcement of standardized work, improve safety construction technological level, greatly improve safe construction coefficient, from guaranteeing that personal safety civilized construction economic benefit is immensurable.
Except the disclosed technical characterictic of specification of the present utility model, be the known technology of those skilled in the art.
Claims (3)
1. a portable dedicated earthing device, it is characterized in that comprising that ground connection drill rod, conductor cable, hook connect securing member, wherein, the top of ground connection drill rod is provided with terminal block, terminal block is bolted the upper end of conductor cable, and the upper end that the lower end of conductor cable connects securing member by bolt and hook is connected.
2. portable dedicated earthing device according to claim 1, it is characterized in that hook connects securing member and is made up of hook-type pincers, leading screw and jaw jacking block, the bottom of hook-type pincers is provided with screwed hole, leading screw is screwed in screwed hole by screw thread, the upper end of leading screw is provided with jaw jacking block, the jaw of the upper end of jaw jacking block and hook-type pincers matches, and the lower end of leading screw is provided with screwing wrench.
3. portable dedicated earthing device according to claim 2, the lower end that it is characterized in that jaw jacking block is provided with blind hole, the side of blind hole is provided with a hole, silk is provided with screw in hole, the upper end of leading screw is inserted among blind hole, the upper end of leading screw is also processed with cannelure, and screw is connected leading screw upper end is positioned among blind hole with cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367202.5U CN203967264U (en) | 2014-07-04 | 2014-07-04 | A kind of portable dedicated earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367202.5U CN203967264U (en) | 2014-07-04 | 2014-07-04 | A kind of portable dedicated earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203967264U true CN203967264U (en) | 2014-11-26 |
Family
ID=51927810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420367202.5U Expired - Fee Related CN203967264U (en) | 2014-07-04 | 2014-07-04 | A kind of portable dedicated earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203967264U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112917A (en) * | 2014-07-04 | 2014-10-22 | 济南高达信息技术有限公司 | Portable special grounding device |
| CN106711720A (en) * | 2015-11-12 | 2017-05-24 | 国网辽宁省电力有限公司本溪供电公司 | Distribution high-voltage ground wire grounding device |
| CN107340430A (en) * | 2017-06-29 | 2017-11-10 | 国网河南省电力公司济源供电公司 | A kind of Combined ground resistance test device |
-
2014
- 2014-07-04 CN CN201420367202.5U patent/CN203967264U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112917A (en) * | 2014-07-04 | 2014-10-22 | 济南高达信息技术有限公司 | Portable special grounding device |
| CN106711720A (en) * | 2015-11-12 | 2017-05-24 | 国网辽宁省电力有限公司本溪供电公司 | Distribution high-voltage ground wire grounding device |
| CN107340430A (en) * | 2017-06-29 | 2017-11-10 | 国网河南省电力公司济源供电公司 | A kind of Combined ground resistance test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |