CN105353177B - Overhead jointing clamp - Google Patents
Overhead jointing clamp Download PDFInfo
- Publication number
- CN105353177B CN105353177B CN201510863888.6A CN201510863888A CN105353177B CN 105353177 B CN105353177 B CN 105353177B CN 201510863888 A CN201510863888 A CN 201510863888A CN 105353177 B CN105353177 B CN 105353177B
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- China
- Prior art keywords
- lever
- endoporus
- card slot
- insulating bar
- jaw
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Abstract
The invention discloses a kind of overhead jointing clamps comprising：Clamp block is provided with the endoporus of a lower ending opening；Upper jaw is fixedly installed on the side wall of the clamp block；Lever is articulated on the side wall of the clamp block, and the lever is located at the lower section of the upper jaw；The inner end activity of the lever passes through the side wall of the clamp block and extends in the endoporus；Lower jaw is set to the outer end of the lever, and when the outer end of the lever has been put upwards, which is closed with the upper jaw；Bottom cover is covered on the opening of the endoporus；And insulating bar, the upper end activity passes through the bottom cover and extends in the endoporus, and the insulating bar is located at the side wall in the endoporus and is convexly equipped with a briquetting, and the inner end of the lever is located at the lower section of the briquetting.The present invention need to only pull downward on insulating bar just and can make lower jaw and is closed with upper jaw circuit to be clamped, simple in structure, upper and lower jaws opening angle is big and easy to operate.
Description
Technical field
The present invention relates to field of power detection, more particularly to a kind of overhead jointing clamp.
Background technology
High-altitude wiring test equipment is that power department carries out preventive trial and the used one kind of repair based on condition of component test must
It equips, is mainly used for carrying out the electrical equipments such as contact resistance, loop resistance, PT CT dielectric losses and capacitance test
High-altitude connects electric test and detection, and the purpose is to obtain the first-hand real time data information of POWER SYSTEM STATE parameter.High-altitude wiring
The working environment of test equipment is complicated, and testing location is usually field, is 8.5 meters or so of environment, Er Qiewo away from ground level
State's overwhelming majority region is subtropical climate, is accompanied by stronger monsoon throughout the year, to make high-voltage line generate the dance of randomness
Dynamic disturbed test work, therefore, the factor for influencing test data accuracy is numerous, and with random and various factors coupling spy
Property.
Traditional high-altitude wiring test equipment is mostly the overhead jointing clamp of Purely mechanical, and the closed manners of jaw have pulley blocks
Formula, feed screw nut pair formula and spring etc..There are shortcomings for existing overhead jointing clamp：1. upper and lower jaw is in same straight line
On, lower jaw often blocks upper jaw to interfere operator jointing clamp hooking to high aerial high-voltage line, operation when operation
Trouble；2. complicated, number of components is more, and overall weight is big, is easy to shake when lifting bar connecting wire, crank, to hold
It easily topples, there are security risks；3. wiring process is time-consuming and laborious.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of overhead jointing clamps, to overcome the operation fiber crops of existing overhead jointing clamp
Disadvantage tired, number of parts is more and wiring process is time-consuming and laborious.
To achieve the above object, the present invention provides a kind of overhead jointing clamps, wherein including：Clamp block is provided with
The endoporus of end opening；Upper jaw is fixedly installed on the side wall of the clamp block；Lever is articulated with the side wall of the clamp block
On, and the lever is located at the lower section of the upper jaw；The inner end activity of the lever passes through the side wall of the clamp block and extends to institute
It states in endoporus；Lower jaw is set to the outer end of the lever, when the outer end of the lever has been put upwards, the lower jaw with
The upper jaw is closed；Bottom cover is covered on the opening of the endoporus；And insulating bar, the upper end activity pass through institute
It states bottom cover and extends in the endoporus, and the side wall that the insulating bar is located in the endoporus is convexly equipped with a briquetting, the lever
Inner end be located at the lower section of the briquetting.
Preferably, in above-mentioned technical proposal, the lower jaw is articulated with the outer end of the lever, and the lower jaw and institute
It states and is provided with a spring between lever.
Preferably, in above-mentioned technical proposal, the roof of the endoporus is recessed with a card slot, the top setting of the insulating bar
There is a fixture block corresponding with the card slot；When the fixture block turns to the position coincideing with the card slot, the insulating bar is
The fixture block is pushed into can upwards in the card slot, and when the fixture block pushes into the card slot, the lower jaw with
Upper jaw is in the open state.
Preferably, in above-mentioned technical proposal, the card slot is elliptical aperture, and the fixture block is corresponding with the card slot ellipse
Round block.
Preferably, in above-mentioned technical proposal, the clamp block, which is provided with, rotates the insulating bar relative to the endoporus
The position-limit mechanism that range is limited, only when the insulating bar turns to one of extreme position, the fixture block ability
It coincide with the card slot.
Preferably, in above-mentioned technical proposal, the briquetting is secter pat, and the position-limit mechanism is two and is convexly equipped in described
Flange on the inner wall in hole, the briquetting is located between two flanges, when the briquetting as the insulating bar turns to
With described in one of them when Hp contacts, the fixture block could coincide with the card slot.
Compared with prior art, the present invention has the advantages that：
1, upper and lower jaws opening angle of the invention is big, and upper jaw is easy in hooking to circuit, and upper jaw is hung over line
Behind road, only need to pull down insulating bar, the inner end of lever just can be depressed by briquetting, to make the outer end of lever lower jaw to
Upper jack-up is closed with upper jaw, and with to circuit is clamped, and insulating bar is under the effect of gravity, Neng Gouwei
Briquetting provides an active force pushed to the inner end of lever, to increase the clamping force to circuit.Therefore, of the invention
It is simple in structure, lighter in weight, easy to use and relatively labor-saving.
2, lower jaw of the invention is articulated with the outer end of lever and is provided with spring, and upper jaw can be made to be closed with lower jaw
When clamping opening can adjust, with suitable for different size of circuit and because the circuit that the reasons such as get rusty cause diameter to become larger carries out
It clamps, and it can effectively prevent damaging circuit because chucking power is excessive.
3, insulating bar of the invention is coordinated by the card slot of fixture block and endoporus, when circuit is clamped, insulation
Bar pulls down fixture block to leave card slot, then insulating bar is made to rotate a position, so that fixture block is misfitted with card slot, such insulating bar is just
It can not possibly move up, to keep upper jaw and lower jaw to be in closed state, therefore the self-locking property of the present invention is good, energy
Enough mitigate the workload of worker, and improves the safety coefficient of detection process.
4, whether the present invention can facilitate control fixture block and card slot to just and identical by the way that position-limit mechanism is arranged, to facilitate control
Make the closure and opening of two jaws.
Description of the drawings
Fig. 1 is structural schematic diagram when being opened according to overhead jointing clamp of the present invention.
Fig. 2 is structural schematic diagram when being closed according to overhead jointing clamp of the present invention.
Fig. 3 is the structural schematic diagram of clamp block according to the present invention.
Fig. 4 is the structural schematic diagram of insulating bar according to the present invention.
Fig. 5 is the structural schematic diagram of briquetting according to the present invention and flange cooperation.
Main appended drawing reference explanation：
1- clamp blocks, 11- endoporus, 12- hinged ears, 13- notches, 14- card slots, 15- flanges；2- upper jaws；3- levers；Under 4-
Jaw, 41- springs；5- bottom covers；6- insulating bars, 61- briquettings, 62- fixture blocks.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
Fig. 1 to Fig. 5 shows a kind of structural schematic diagram of overhead jointing clamp according to the preferred embodiment of the present invention.The height
Empty jointing clamp includes clamp block 1, upper jaw 2, lever 3, lower jaw 4, bottom cover 5 and insulating bar 6.
With reference to figure 3, clamp block 1 is cylindrical, and the endoporus 11 of a lower ending opening is provided in clamp block 1, and endoporus 11 is circular hole.
The lower section of upper jaw 2 is provided with a hinged ear 12 on the side wall of clamp block 1, and the side wall of clamp block 1 offers one and 11 phase of endoporus
Logical notch 13.With reference to figure 1 and Fig. 2, upper jaw 2 is fixedly installed on the upper end of the side wall of clamp block 1, and the downside of upper jaw 2 is recessed
It is in barb-like clip slot to have, and clip slot surface is provided with decorative pattern.Lever 3 is articulated with by hinged ear 12 on the side wall of clamp block 1, to
It is located at the lower section of upper jaw 2 in a manner of it can swing up and down, wherein one end of lever 3 is inner end, and the other end is outer end, thick stick
The inner end activity of bar 3 passes through the notch 13 on the side wall of clamp block 1 and extends in endoporus 11.Lower jaw 4 is set to the outer of lever 3
End, when the outer end of lever 3 has been put upwards, lower jaw 4 is closed with upper jaw 2, and the upper surface of lower jaw 4 is and upper jaw
The 2 corresponding inclined-plane of clip slot, and decorative pattern is provided on inclined-plane, just circuit can be pressed from both sides when upper jaw 2 is closed with lower jaw 4
It holds.Preferably, lower jaw 4 is articulated with the outer end of lever 3, and a spring 41 is provided between lower jaw 4 and lever 3, with can
Clamping opening when upper jaw 2 being enable to be closed with lower jaw 4 adjusts, to be suitable for different size of circuit and because of the reasons such as get rusty
The circuit that diameter becomes larger is caused to be clamped, and it can effectively prevent damaging circuit because chucking power is excessive.
It continues to refer to figure 1 and Fig. 2, bottom cover 5 is covered on the opening of endoporus 11, the centre of bottom cover 5 is provided with a through-hole.Absolutely
The upper end activity of edge bar 6 passes through the through-hole of bottom cover 5 and extends in endoporus 11, to enable insulating bar 6 relative to endoporus 11
It moves up and down and rotates.As shown in figure 4, insulating bar 6, which is located at the side wall in endoporus 11, is convexly equipped with a briquetting 61, lever 3
Inner end is located at the lower section of briquetting 61.During lifting the extension of clamp block 1 on the line by insulating bar 6, in the gravity of clamp block 1
Under, the upper end of insulating bar 6 acts against on the roof of endoporus 11, and briquetting 61 will not push the inner end of lever 3 at this time, lever 3 it is outer
The effect of the gravity in dead weight and lower jaw 4 is held to hang down, and the inner end of lever 3 just connects with being upturned with briquetting 61
It touches, to make lower jaw 4 far from upper jaw 2, upper and lower jaws are in the open state.After upper jaw 2 is hung on the line, downwards
Insulating bar 6 is drawn, insulating bar 6 just can be moved down with respect to endoporus 11, to drive briquetting 61 to be pressed downward the inner end of lever 3, to make
The inner end of lever 3 is just swung up to lower swing, the outer end of lever 3, so that lower jaw 4 is closed with upper jaw 2, so as to press from both sides
Stringing road.The present invention upper jaw 2 hang on the line after, only need to pull down insulating bar 6, just can make lower jaw 4 upwards jack up with
Upper jaw 2 is closed, and circuit to be clamped, and insulating bar 6 is under the effect of gravity, can be that briquetting 61 carries
The active force that the inner end of lever 3 is pushed for one, to increase the clamping force to circuit.Therefore, structure of the invention
Simply, lighter in weight, easy to use and relatively labor-saving.
Preferably, with continued reference to Fig. 3, the roof of endoporus 11 is recessed with a card slot 14, and with continued reference to Fig. 4, insulating bar 6
Top is provided with a fixture block 62 corresponding with card slot 14, and when fixture block 62 turns to the position coincideing with card slot 14, insulating bar 6 is
Fixture block 62 is pushed into can upwards in card slot 14.Continue to refer to figure 1, when fixture block 62 pushes into card slot 14, briquetting 61 with
It is moved upwards up to the extreme position on top, to unclamp the inner end of lever 3, keeps lower jaw 4 and upper jaw 2 in the open state.
With continued reference to Fig. 2, when fixture block 62 is pulled away from downwards card slot 14 by insulating bar 6, and with insulating bar 6 turn to it is right not with card slot 14
When the position answered, the inner end of lever 3 just extreme position is pulled down by briquetting 61, and lower jaw 4 is in upper jaw 2 at this time
Closed state.It is further preferred that card slot 14 is elliptical aperture, and fixture block 62 is oval block corresponding with card slot 14.In addition, card slot
14 from the shape of fixture block can also be rectangle or the different polygon etc. of other length, can also be that rectangle is combined with round
Deng combined shaped.The insulating bar 6 of the present invention is coordinated by fixture block 62 and the card slot 14 of endoporus 11, is pressed from both sides when to circuit
When holding, insulating bar 6 pulls down fixture block 62 to leave card slot 14, then insulating bar 6 is made to rotate a position, makes fixture block 62 and card slot 14
It misfits, such insulating bar 6 just can not possibly move up, to keep upper jaw 2 and lower jaw 4 to be in closed state, therefore
The self-locking property of the present invention is good, can mitigate the workload of worker, and improve the safety coefficient of detection process.
It is further preferred that clamp block 1 is provided with the limit limited to the range that insulating bar 6 is rotated relative to endoporus 11
Mechanism, only when insulating bar turns to one of extreme position, fixture block 62 could coincide with card slot 14.When insulating bar is another
When any one position between one extreme position or two extreme positions, fixture block 62 will not coincide with card slot 14, to
It cannot push into card slot 14.Still further preferably, with continued reference to Fig. 5, briquetting 62 is secter pat, and position-limit mechanism is two convex
Flange 15 on the inner wall of endoporus 11, briquetting 62 is located between two flanges 15, when briquetting 62 as insulating bar 6 turns to
When being contacted with one of flange 15, fixture block 62 could coincide with card slot 14.And fixture block 62 is contacted with another flange 15, or
When any position between two flanges 15, fixture block 62 cannot coincide with card slot 14.The present invention is by being arranged position-limit mechanism energy
Enough facilitate control fixture block 62 and card slot 14 whether to just and identical, after fixture block 62 is pulled out, insulating bar 6 is turned to briquetting
61 touch a flange 15, and two jaws just can be made steadily closed together, then only need to be exhausted when needing to open jaw
Edge bar 6 turns to briquetting 61 and touches another flange 15, can be so that fixture block 62 coincide with card slot 14.Pass through position-limit mechanism energy
Enough closures and opening for facilitating two jaws of control.In addition, the inner end of lever 3 can be provided with one it is corresponding with briquetting 62 tiltedly
Face, briquetting 62 are acted on when moving down on the inclined-plane of the inner end of lever 3.
The upper and lower jaws opening angle of the present invention is big, and upper jaw is easy in hooking to circuit, need to only pull downward on absolutely
Edge bar 6 just can be such that lower jaw 4 is closed with upper jaw 2 circuit to be clamped, and simple in structure, lighter in weight compares province
Power.And the present invention, by the cooperation of position-limit mechanism control fixture block 62 and card slot 14, easy to operate, self-locking property is good.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of overhead jointing clamp, which is characterized in that including：
Clamp block is provided with the endoporus of a lower ending opening；
Upper jaw is fixedly installed on the side wall of the clamp block；
Lever is articulated on the side wall of the clamp block, and the lever is located at the lower section of the upper jaw；It lives the inner end of the lever
It moves the side wall across the clamp block and extends in the endoporus；
Lower jaw is set to the outer end of the lever, when the outer end of the lever has been put upwards, the lower jaw with it is described on
Jaw is closed；
Bottom cover is covered on the opening of the endoporus；And
Insulating bar, the upper end activity passes through the bottom cover and extends in the endoporus, and the insulating bar is located in the endoporus
Side wall be convexly equipped with a briquetting, the inner end of the lever is located at the lower section of the briquetting；
The lower jaw is articulated with the outer end of the lever, and a spring is provided between the lower jaw and the lever；
The roof of the endoporus is recessed with a card slot, and the top of the insulating bar is provided with a fixture block corresponding with the card slot；
When the fixture block turns to the position coincideing with the card slot, the insulating bar could upwards push into the fixture block described
In card slot, and when the fixture block pushes into the card slot, the lower jaw and upper jaw are in the open state.
2. overhead jointing clamp according to claim 1, which is characterized in that the card slot is elliptical aperture, and the fixture block is
Oval block corresponding with the card slot.
3. overhead jointing clamp according to claim 1, which is characterized in that the clamp block is provided with opposite to the insulating bar
In the position-limit mechanism that the range of endoporus rotation is limited, only when the insulating bar turns to one of extreme position
When, the fixture block could coincide with the card slot.
4. overhead jointing clamp according to claim 3, which is characterized in that the briquetting is secter pat, the position-limit mechanism
The flange being convexly equipped in for two on the inner wall of the endoporus, the briquetting are located between two flanges, when the briquetting with
It the insulating bar to turn to described in one of them when Hp contacts, the fixture block could coincide with the card slot.
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 CN105353177A (en) | 2016-02-24 |
| CN105353177B true CN105353177B (en) | 2018-11-06 |
Family
ID=55329179
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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842489B (en) * | 2016-04-19 | 2019-06-28 | 广西大学 | A kind of novel high-altitude jointing clamp |
| CN107508058B (en) * | 2017-09-06 | 2024-02-09 | 广东粤创电力科技有限公司 | High-voltage grounding rod |
| 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 |
Citations (5)
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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 |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105353177A (en) | 2016-02-24 |
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