CN105353177A - High-altitude wiring clamp - Google Patents
High-altitude wiring clamp Download PDFInfo
- Publication number
- CN105353177A CN105353177A CN201510863888.6A CN201510863888A CN105353177A CN 105353177 A CN105353177 A CN 105353177A CN 201510863888 A CN201510863888 A CN 201510863888A CN 105353177 A CN105353177 A CN 105353177A
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- lever
- groove
- clamp
- draw
- insulating bar
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Abstract
The invention discloses a high-altitude wiring clamp, comprising a clamp seat, an upper clamp port, a lever, a lower clamp port, a bottom cover, and an insulation rod; the clamp seat is provided with an inner hole which is formed on the lower end; the upper clamp port is fixedly arranged on the side wall of the clamp seat; the lever is hinged on the side wall of the clamp seat; the lever is arranged under the upper clamp port; the inner end of the lever movably passes through the inner side wall of the clamp seat and is extended into the inner hole; the lower clamp port is arranged on the outer end of the lever; when the upper end of the lever is swung upwardly, the lower clamping port and the upper clamping port are closed; the bottom cover covers the opening of the inner hole; the upper end of the insulation rod movably passes through the bottom cover and is extended into the inner hole; the side wall of the insulation rod which is positioned inside the inner hole is provided with a pressing block in a projection manner; and the inner end of the lever is positioned under the pressing block. The high-altitude wiring clamp enables the lower clamp port to be closed with the upper clamp port for clamping the circuit, which is simple in structure, and the opening angle degree between the upper clamp port and the lower clamp port is big and the operation is easy.
Description
Technical field
The present invention relates to field of power detection, particularly a kind of overhead jointing clamp.
Background technology
High-altitude wiring testing apparatus is that power department carries out preventive trial and repair based on condition of component tests the one necessity equipment used, the high-altitude being mainly used in carrying out the electric equipments such as contact resistance, loop resistance, PT CT dielectric loss and electric capacity test connects electric test and detection, its objective is the first-hand real time data information obtaining POWER SYSTEM STATE parameter.The working environment of high-altitude wiring testing apparatus is complicated, testing location is generally field, is the environment of about 8.5 meters apart from floor level, and China's overwhelming majority region is subtropical climate, be attended by stronger monsoon throughout the year, thus make hi-line produce randomness wave disturbed test work, therefore, affect the many factors of test data accuracy, and there is the characteristic of Stochastic sum various factors coupling.
Tradition high-altitude wiring testing apparatus mostly is the overhead jointing clamp of Purely mechanical, and the closed manners of its jaw has pulley blocks formula, feed screw nut pair formula and spring etc.There is shortcomings in existing overhead jointing clamp: 1. upper and lower jaw on the same line, and during operation, lower jaw often blocks upper jaw thus hinders operator jointing clamp hooking to high aerial hi-line, troublesome poeration; 2. complex structure, number of components is more, and overall weight is large, lifts when bar connects wire and easily rocks, crank, thus easily topple, there is potential safety hazard; 3. wiring process wastes time and energy.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of overhead jointing clamp, thus overcome the shortcoming that the many and wiring process of the troublesome poeration of existing overhead jointing clamp, number of parts wastes time and energy.
For achieving the above object, the invention provides a kind of overhead jointing clamp, wherein, comprising: clamp block, it is provided with the endoporus of a lower ending opening; Upper jaw, it is fixedly installed on the sidewall of described clamp block; Lever, it is articulated with on the sidewall of described clamp block, and this lever is positioned at the below of described upper jaw; The inner activity of this lever is passed the sidewall of described clamp block and extends in described endoporus; Lower jaw, it is arranged at the outer end of described lever, and when the outer end of described lever has upwards been put, this lower jaw and described upper jaw close; Bottom, it is covered on the opening part of described endoporus; And insulating bar, its movable upper end passes described bottom and extends in described endoporus, and the sidewall that this insulating bar is arranged in described endoporus is convexly equipped with a briquetting, and the inner of described lever is positioned at the below of described briquetting.
Preferably, in technique scheme, described lower jaw is articulated with the outer end of described lever, and is provided with a spring between described lower jaw and described lever.
Preferably, in technique scheme, the roof of described endoporus is arranged with a draw-in groove, and the top of described insulating bar is provided with a fixture block corresponding with described draw-in groove; When described fixture block turns to the position coincide with described draw-in groove, described insulating bar upwards could push into described fixture block in described draw-in groove, and when described fixture block pushes in described draw-in groove, described lower jaw and upper jaw are in open mode.
Preferably, in technique scheme, described draw-in groove is elliptical aperture, and described fixture block is the oval block corresponding with described draw-in groove.
Preferably, in technique scheme, the scope that described clamp block is provided with described insulating bar rotates relative to described endoporus carries out spacing position-limit mechanism, only has when described insulating bar turns to one of them extreme position, and described fixture block could coincide with described draw-in groove.
Preferably, in technique scheme, described briquetting is secter pat, described position-limit mechanism is the flange on two inwalls being convexly equipped in described endoporus, described briquetting is between two described flanges, when described briquetting along with described insulating bar turns to described in one of them during Hp contacts, described fixture block could coincide with described draw-in groove.
Compared with prior art, the present invention has following beneficial effect:
1, bit opening angle of the present invention is large, upper jaw is easy to hooking on circuit, upper jaw is hung on the line, only need pull down insulating bar, just by the inner of briquetting pressure lever, thus upwards jack-up and upper jaw close lower jaw to make the outer end of lever, to clamp to circuit, and insulating bar is under the effect of self gravitation, an acting force that the inner of lever is pressed down can be provided for briquetting, thus increase the clamping force to circuit.Therefore, simple, the lighter in weight of structure of the present invention, easy to use and more laborsaving.
2, lower jaw of the present invention is articulated with the outer end of lever and is provided with spring, jaws when upper jaw and lower jaw can be enable to close adjusts, to be applicable to clamp to the circuit of different size and because the reason such as to get rusty causes diameter to become large circuit, and it can effectively prevent from damaging circuit because holding force is excessive.
3, insulating bar of the present invention is coordinated with the draw-in groove of endoporus by fixture block, when clamping circuit, insulating bar pulls down fixture block to leave draw-in groove, make insulating bar rotate a position again, fixture block and draw-in groove are misfitted, and such insulating bar just can not move up, thus keep upper jaw and lower jaw to be in closure state, therefore self-locking property of the present invention is good, and it can alleviate the workload of workman, and improves the safety coefficient of testing process.
4, the present invention is by arranging position-limit mechanism and can conveniently control fixture block and whether draw-in groove aligning and coincide, to facilitate the closed of control two jaws and to open.
Accompanying drawing explanation
Fig. 1 is structural representation when opening according to overhead jointing clamp of the present invention.
Fig. 2 is structural representation when closing according to overhead jointing clamp of the present invention.
Fig. 3 is the structural representation according to clamp block of the present invention.
Fig. 4 is the structural representation according to insulating bar of the present invention.
Fig. 5 is the structural representation that briquetting according to the present invention coordinates with flange.
Main Reference Numerals illustrates:
1-clamp block, 11-endoporus, the hinged ear of 12-, 13-notch, 14-draw-in groove, 15-flange; 2-upper jaw; 3-lever; 4-lower jaw, 41-spring; 5-bottom; 6-insulating bar, 61-briquetting, 62-fixture block.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
Fig. 1 to Fig. 5 shows a kind of according to the preferred embodiment of the present invention structural representation of overhead jointing clamp.This overhead jointing clamp comprises clamp block 1, upper jaw 2, lever 3, lower jaw 4, bottom 5 and insulating bar 6.
With reference to figure 3, clamp block 1 is in cylindric, and be provided with the endoporus 11 of a lower ending opening in clamp block 1, endoporus 11 is circular hole.The sidewall of clamp block 1 is provided with a hinged ear 12 in the below of upper jaw 2, and the sidewall of clamp block 1 offers a notch 13 communicated with endoporus 11.With reference to figure 1 and Fig. 2, upper jaw 2 is fixedly installed on the upper end of the sidewall of clamp block 1, and the downside of upper jaw 2 is arranged with in barb-like clip slot, and clip slot surface is provided with decorative pattern.Lever 3 is articulated with on the sidewall of clamp block 1 by hinged ear 12, thus the below of upper jaw 2 is positioned in the mode that can swing up and down, wherein one end of lever 3 is inner, and the other end is outer end, and the inner activity of lever 3 is passed the notch 13 on the sidewall of clamp block 1 and extends in endoporus 11.Lower jaw 4 is arranged at the outer end of lever 3, when the outer end of lever 3 has upwards been put, lower jaw 4 and upper jaw 2 have closed, and the upper surface of lower jaw 4 is the inclined-plane corresponding with the clip slot of upper jaw 2, and inclined-plane is provided with decorative pattern, just can clamp circuit when upper jaw 2 and lower jaw 4 close.Preferably, lower jaw 4 is articulated with the outer end of lever 3, and between lower jaw 4 and lever 3, be provided with a spring 41, jaws when closing can enable upper jaw 2 and lower jaw 4 adjusts, to be applicable to clamp to the circuit of different size and because the reason such as to get rusty causes diameter to become large circuit, and it can effectively prevent from damaging circuit because holding force is excessive.
Continue with reference to figure 1 and Fig. 2, bottom 5 is covered on the opening part of endoporus 11, and the centre of bottom 5 is provided with a through hole.The movable upper end of insulating bar 6 passes the through hole of bottom 5 and extends in endoporus 11, thus makes insulating bar 6 can carry out moving up and down and rotating relative to endoporus 11.As shown in Figure 4, the sidewall that insulating bar 6 is arranged in endoporus 11 is convexly equipped with a briquetting 61, and the inner of lever 3 is positioned at the below of briquetting 61.Hang in process on the line by insulating bar 6 lifting clamp block 1, under the Action of Gravity Field of clamp block 1, the upper end of insulating bar 6 leans on the roof of endoporus 11, now briquetting 61 can not the inner of depress lever 3, the outer end of lever 3 hangs down in the effect of the gravity of deadweight and lower jaw 4, and the inner of lever 3 just to contact with briquetting 61 along with being upturned, thus make lower jaw 4 away from upper jaw 2, bit is in open mode.When upper jaw 2 is hung on the line, pull down insulating bar 6, insulating bar 6 just can move down by endoporus 11 relatively, to drive briquetting 61 to the inner of depress lever 3, thus make the inner of lever 3 to lower swing, the outer end of lever 3 just upwards swings, and to make lower jaw 4 close with upper jaw 2, thus can clamp circuit.The present invention hangs upper jaw 2 on the line, only need pull down insulating bar 6, just upwards jack-up and upper jaw 2 close to make lower jaw 4, to clamp circuit, and insulating bar 6 is under the effect of self gravitation, an acting force that the inner of lever 3 is pressed down can be provided for briquetting 61, thus increase the clamping force to circuit.Therefore, simple, the lighter in weight of structure of the present invention, easy to use and more laborsaving.
Preferably, continue with reference to figure 3, the roof of endoporus 11 is arranged with a draw-in groove 14, and continue with reference to figure 4, the top of insulating bar 6 is provided with a fixture block 62 corresponding with draw-in groove 14, and when fixture block 62 turns to the position coincide with draw-in groove 14, insulating bar 6 upwards could push into fixture block 62 in draw-in groove 14.Continue with reference to figure 1, when fixture block 62 pushes in draw-in groove 14, briquetting 61 along with the extreme position being moved upwards up to top, thus unclamps the inner of lever 3, makes lower jaw 4 and upper jaw 2 be in open mode.Continue with reference to figure 2, draw-in groove 14 is left when fixture block 62 is pulled down by insulating bar 6, and along with insulating bar 6 turn to not corresponding with draw-in groove 14 position time, briquetting 61 just presses extreme position downwards the inner of lever 3, and now lower jaw 4 and upper jaw 2 are in closure state.Further preferably, draw-in groove 14 is elliptical aperture, and fixture block 62 is the oval block corresponding with draw-in groove 14.In addition, draw-in groove 14 also can be the polygon etc. that rectangle or other length are different from the shape of fixture block, can also be rectangle and the circular combined shaped to combine etc.Insulating bar 6 of the present invention is coordinated with the draw-in groove 14 of endoporus 11 by fixture block 62, when clamping circuit, insulating bar 6 pulls down fixture block 62 to leave draw-in groove 14, make insulating bar 6 rotate a position again, fixture block 62 and draw-in groove 14 are misfitted, and such insulating bar 6 just can not move up, thus keep upper jaw 2 and lower jaw 4 to be in closure state, therefore self-locking property of the present invention is good, and it can alleviate the workload of workman, and improves the safety coefficient of testing process.
Further preferably, the scope that clamp block 1 is provided with insulating bar 6 rotates relative to endoporus 11 carries out spacing position-limit mechanism, only has when insulating bar turns to one of them extreme position, and fixture block 62 could coincide with draw-in groove 14.When insulating bar is at another extreme position, or during any one position between two extreme positions, fixture block 62 all can not coincide with draw-in groove 14, thus can not push in draw-in groove 14.Again further preferably, continue with reference to figure 5, briquetting 62 is secter pat, position-limit mechanism is the flange 15 on two inwalls being convexly equipped in endoporus 11, briquetting 62 is between two flanges 15, when briquetting 62 contacts with one of them flange 15 along with insulating bar 6 turns to, fixture block 62 could coincide with draw-in groove 14.And fixture block 62 contacts with another flange 15, or during any position between two flanges 15, fixture block 62 all can not coincide with draw-in groove 14.Whether the present invention conveniently can control fixture block 62 align and coincide with draw-in groove 14 by arranging position-limit mechanism, after fixture block 62 is pulled out, insulating bar 6 is turned to briquetting 61 and touches a flange 15, just two jaws can be made stably closed together, when jaw opened by needs, then only insulating bar 6 need be turned to briquetting 61 touches another flange 15, and fixture block 62 just can be made to coincide with draw-in groove 14.The closed of control two jaws can be facilitated by position-limit mechanism and open.In addition, the inner of lever 3 can be provided with an inclined-plane corresponding with briquetting 62, acts on the inclined-plane of the inner of lever 3 when briquetting 62 moves down.
Bit opening angle of the present invention is large, and upper jaw is easy to hooking on circuit, and its need pull insulating bar 6 that lower jaw 4 just can be made closed to clamp circuit with upper jaw 2 downwards, and its structure is simple, and lighter in weight is more laborsaving.And the present invention controls coordinating of fixture block 62 and draw-in groove 14 by position-limit mechanism, it is easy to operate, and self-locking property is good.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (6)
1. an overhead jointing clamp, is characterized in that, comprising:
Clamp block, it is provided with the endoporus of a lower ending opening;
Upper jaw, it is fixedly installed on the sidewall of described clamp block;
Lever, it is articulated with on the sidewall of described clamp block, and this lever is positioned at the below of described upper jaw; The inner activity of this lever is passed the sidewall of described clamp block and extends in described endoporus;
Lower jaw, it is arranged at the outer end of described lever, and when the outer end of described lever has upwards been put, this lower jaw and described upper jaw close;
Bottom, it is covered on the opening part of described endoporus; And
Insulating bar, its movable upper end passes described bottom and extends in described endoporus, and the sidewall that this insulating bar is arranged in described endoporus is convexly equipped with a briquetting, and the inner of described lever is positioned at the below of described briquetting.
2. overhead jointing clamp according to claim 1, is characterized in that, described lower jaw is articulated with the outer end of described lever, and is provided with a spring between described lower jaw and described lever.
3. overhead jointing clamp according to claim 1, is characterized in that, the roof of described endoporus is arranged with a draw-in groove, and the top of described insulating bar is provided with a fixture block corresponding with described draw-in groove; When described fixture block turns to the position coincide with described draw-in groove, described insulating bar upwards could push into described fixture block in described draw-in groove, and when described fixture block pushes in described draw-in groove, described lower jaw and upper jaw are in open mode.
4. overhead jointing clamp according to claim 3, is characterized in that, described draw-in groove is elliptical aperture, and described fixture block is the oval block corresponding with described draw-in groove.
5. overhead jointing clamp according to claim 3, it is characterized in that, the scope that described clamp block is provided with described insulating bar rotates relative to described endoporus carries out spacing position-limit mechanism, only have when described insulating bar turns to one of them extreme position, described fixture block could coincide with described draw-in groove.
6. overhead jointing clamp according to claim 5, it is characterized in that, described briquetting is secter pat, described position-limit mechanism is the flange on two inwalls being convexly equipped in described endoporus, described briquetting is between two described flanges, when described briquetting along with described insulating bar turns to described in one of them during Hp contacts, described fixture block could coincide with described draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863888.6A CN105353177B (en) | 2015-12-01 | 2015-12-01 | Overhead jointing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863888.6A CN105353177B (en) | 2015-12-01 | 2015-12-01 | Overhead jointing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105353177A true CN105353177A (en) | 2016-02-24 |
| CN105353177B CN105353177B (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510863888.6A Active CN105353177B (en) | 2015-12-01 | 2015-12-01 | Overhead jointing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105353177B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842489A (en) * | 2016-04-19 | 2016-08-10 | 广西大学 | Novel high-altitude wire connecting clamp |
| CN107508058A (en) * | 2017-09-06 | 2017-12-22 | 广东粤创电力科技有限公司 | High-voltage earthing rod |
| CN112485476A (en) * | 2020-11-19 | 2021-03-12 | 国网四川省电力公司广元供电公司 | Multifunctional clamp meter device and system |
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| CN203164293U (en) * | 2013-01-29 | 2013-08-28 | 福建省电力有限公司 | Wiring device for sulfur hexafluoride circuit breaker DC resistor test |
| CN203911194U (en) * | 2014-05-16 | 2014-10-29 | 国家电网公司 | An auxiliary tool specially used for ground wire installation |
| CN203929814U (en) * | 2014-06-13 | 2014-11-05 | 贵州电网公司培训与评价中心 | Lightning arrester live-line test special jointing clamp |
| CN104793023A (en) * | 2015-04-17 | 2015-07-22 | 广西大学 | Aerial wiring pliers with track |
| CN205193110U (en) * | 2015-12-01 | 2016-04-27 | 广西大学 | Upper air wiring clamp |
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2015
- 2015-12-01 CN CN201510863888.6A patent/CN105353177B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203164293U (en) * | 2013-01-29 | 2013-08-28 | 福建省电力有限公司 | Wiring device for sulfur hexafluoride circuit breaker DC resistor test |
| CN203911194U (en) * | 2014-05-16 | 2014-10-29 | 国家电网公司 | An auxiliary tool specially used for ground wire installation |
| CN203929814U (en) * | 2014-06-13 | 2014-11-05 | 贵州电网公司培训与评价中心 | Lightning arrester live-line test special jointing clamp |
| CN104793023A (en) * | 2015-04-17 | 2015-07-22 | 广西大学 | Aerial wiring pliers with track |
| CN205193110U (en) * | 2015-12-01 | 2016-04-27 | 广西大学 | Upper air wiring clamp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842489A (en) * | 2016-04-19 | 2016-08-10 | 广西大学 | Novel high-altitude wire connecting clamp |
| CN107508058A (en) * | 2017-09-06 | 2017-12-22 | 广东粤创电力科技有限公司 | High-voltage earthing rod |
| CN107508058B (en) * | 2017-09-06 | 2024-02-09 | 广东粤创电力科技有限公司 | High-voltage grounding rod |
| CN112485476A (en) * | 2020-11-19 | 2021-03-12 | 国网四川省电力公司广元供电公司 | Multifunctional clamp meter device and system |
| CN112485476B (en) * | 2020-11-19 | 2023-10-20 | 国网四川省电力公司广元供电公司 | Multifunctional clamp meter device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105353177B (en) | 2018-11-06 |
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