CN203942036U - A kind of interim electrostatic grounding releasing device - Google Patents
A kind of interim electrostatic grounding releasing device Download PDFInfo
- Publication number
- CN203942036U CN203942036U CN201420366971.3U CN201420366971U CN203942036U CN 203942036 U CN203942036 U CN 203942036U CN 201420366971 U CN201420366971 U CN 201420366971U CN 203942036 U CN203942036 U CN 203942036U
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- hole
- threaded bore
- cross
- hook fastening
- conductor cable
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Abstract
The utility model provides a kind of interim electrostatic grounding releasing device, its structure is comprised of threaded bore, conductor cable, hook fastening, wherein, the upper end of threaded bore is provided with cross-hole spanner, in the middle of cross-hole spanner, be provided with cross-hole, be installed with steel pole in cross-hole, the below of cross-hole spanner is connected with hook fastening, on hook fastening, be bolted conductor cable, the other end of conductor cable is connected with another hook fastening by bolt.During use, with steel pole, rotate the cross-hole spanner at threaded bore top, threaded bore rotation is pierced underground, again a hook fastening at conductor cable two ends is fastened on to the top of threaded bore, the hook fastening of the conductor cable other end tightens together with the equipment connection using in cable disc, line bar, wire barrow and construction operation, construct and complete threaded bore is screwed out, because the thread earthing area of threaded bore is large, so there is good static releasing effect.
Description
Technical field
The utility model relates to and send power transformation technical field, specifically a kind of interim electrostatic grounding releasing device.
Background technology
For realizing State Grid Corporation of China, within 2015, tentatively build up the target call of " the last one three is excellent " Modern Corporation strategy, 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, with bar, can not set up and vicinity with electric pressure, 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, the < < 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 when contiguous or crossing live-line are taked tension stringing, hauling machine, tensioner body, pull rope, lead wire and earth wire coaster, by the releasing pulley of both sides, spanning the transmission line road, answered ground connection.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, to implement the concrete behave that < < safety > > carries out < < 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 interim electrostatic grounding releasing device.
Technical scheme of the present invention realizes in the following manner, comprise threaded bore, conductor cable, hook fastening, wherein, the upper end of threaded bore is provided with cross-hole spanner, in the middle of cross-hole spanner, be provided with cross-hole, be installed with steel pole in cross-hole, the below of cross-hole spanner is connected with hook fastening, on hook fastening, be bolted conductor cable, the other end of conductor cable is connected with another hook fastening by bolt.
Use step is as follows: the cross-hole spanner that rotates threaded bore top during use with steel pole, threaded bore rotation is pierced underground, again a hook fastening at conductor cable two ends is fastened on to the top of threaded bore, the hook fastening of the conductor cable other end tightens together with the equipment connection using in cable disc, line bar, wire barrow and construction operation, construct and complete threaded bore is screwed out, because the thread earthing area of threaded bore is large, so there is good static releasing effect.
Described portable interim electrostatic grounding releasing device, hook fastening is comprised 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 interim electrostatic grounding releasing device, the lower end of jaw jacking block is provided with blind hole, the side of blind hole is provided with a hole, silk is provided with dog 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 dog screw is connected with cannelure leading screw upper end is positioned among blind hole.
Portable interim electrostatic grounding releasing device of the present utility model has following outstanding beneficial effect:
1) this interim electrostatic grounding releasing device practicality high, easy to use, quick, be easy to carry;
2) this interim electrostatic grounding releasing device fitting operation is simple, flexible, and dismounting is efficient and convenient, and the mechanical strength of contact resistance and tie point meets rules requirement, and the temporary grounding utmost point and earth resistance meet rules requirement;
3) this interim electrostatic grounding releasing 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 interim electrostatic grounding releasing device earth resistance is less than 30 ohm, meets the requirement that rules protective earthing is less than 30 ohm;
5) hook fastening adopts high-intensity aluminium alloy to make, the fastening crimping of leading screw, and contact resistance is little, solid and reliable;
6) hook fastening adopts trapezoidal mouthful, is convenient to install, remove.
According to standardized work construction characteristic, in line with convenient, fast, innovation, practicality, simple, the portable principle earth wire of dismounting mode, carry out technological innovation: reduce contact resistance, meet the facility shell reliable ground requirement of various places.
Accompanying drawing explanation
Fig. 1 is the structural representation of portable interim electrostatic grounding releasing device;
Mark in accompanying drawing represents respectively: threaded bore 1, cross-hole spanner 2, steel pole 3, conductor cable 4, bolt 5, hook-type pincers 6, jaw jacking block 7, screwed hole 8, leading screw 9, screwing wrench 10, blind hole 11, dog screw 12, cannelure 13.
Embodiment
Below in conjunction with accompanying drawing, a kind of portable interim electrostatic grounding releasing device of the present utility model is described in further detail.
A kind of interim electrostatic grounding releasing device of the present utility model, its structure is comprised of threaded bore 1, conductor cable 4, hook fastening, wherein, the upper end of threaded bore 1 is provided with cross-hole spanner 2, in the middle of cross-hole spanner 2, be provided with cross-hole, be installed with steel pole 3 in cross-hole, the below of cross-hole spanner 2 is connected with hook fastening, on hook fastening, by bolt 5, be connected with conductor cable 4, the other end of conductor cable 4 is connected with another hook fastening by bolt 5.
Described portable interim electrostatic grounding releasing device, hook fastening is comprised of hook-type pincers 6, leading screw 9 and jaw jacking block 7, the bottom of hook-type pincers 6 is provided with screwed hole 8, leading screw 9 is screwed in screwed hole 8 by screw thread, the upper end of leading screw 9 is provided with jaw jacking block 7, the jaw of the upper end of jaw jacking block 7 and hook-type pincers 6 matches, and the lower end of leading screw 9 is provided with screwing wrench 10.
Described portable interim electrostatic grounding releasing device, the lower end of jaw jacking block 7 is provided with blind hole 11, the side of blind hole 11 is provided with a hole, silk is provided with dog screw 12 in hole, the upper end of leading screw 9 is inserted among blind hole 11, the upper end of leading screw 9 is also processed with cannelure 13, and dog screw 12 is connected with cannelure 12 leading screw 9 upper ends are positioned among blind hole 11.
Using method is as follows:
During use, with steel pole, rotate the cross-hole spanner at threaded bore top, threaded bore rotation is pierced underground, a hook fastening at conductor cable two ends is fastened on to the top of threaded bore, the hook fastening of the conductor cable other end tightens together with the equipment connection using in cable disc, line bar, wire barrow and construction operation again.Constructing complete threaded bore is screwed out can be very convenient, because the thread earthing area of threaded bore is large, so have good static releasing effect.
By the use to portable interim electrostatic grounding releasing device, improved 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. an interim electrostatic grounding releasing device, it is characterized in that comprising threaded bore, conductor cable, hook fastening, wherein, the upper end of threaded bore is provided with cross-hole spanner, in the middle of cross-hole spanner, is provided with cross-hole, is installed with steel pole in cross-hole, the below of cross-hole spanner is connected with hook fastening, on hook fastening, be bolted conductor cable, the other end of conductor cable is connected with another hook fastening by bolt, uses step as follows:
During use, with steel pole, rotate the cross-hole spanner at threaded bore top, threaded bore rotation is pierced underground, again a hook fastening at conductor cable two ends is fastened on to the top of threaded bore, the hook fastening of the conductor cable other end tightens together with the equipment connection using in cable disc, line bar, wire barrow and construction operation, construct and complete threaded bore is screwed out, because the thread earthing area of threaded bore is large, so there is good static releasing effect.
2. portable interim electrostatic grounding releasing device according to claim 1, it is characterized in that hook fastening is comprised 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 interim electrostatic grounding releasing 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 dog 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 dog screw is connected with cannelure leading screw upper end is positioned among blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366971.3U CN203942036U (en) | 2014-07-04 | 2014-07-04 | A kind of interim electrostatic grounding releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366971.3U CN203942036U (en) | 2014-07-04 | 2014-07-04 | A kind of interim electrostatic grounding releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203942036U true CN203942036U (en) | 2014-11-12 |
Family
ID=51861329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420366971.3U Expired - Fee Related CN203942036U (en) | 2014-07-04 | 2014-07-04 | A kind of interim electrostatic grounding releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203942036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157990A (en) * | 2014-07-04 | 2014-11-19 | 济南高达信息技术有限公司 | Temporary grounded static electricity releasing device |
-
2014
- 2014-07-04 CN CN201420366971.3U patent/CN203942036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157990A (en) * | 2014-07-04 | 2014-11-19 | 济南高达信息技术有限公司 | Temporary grounded static electricity releasing 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: 20141112 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |