CN102324711A - Tool for fixing 10kV insulated conductors - Google Patents
Tool for fixing 10kV insulated conductors Download PDFInfo
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- CN102324711A CN102324711A CN201110273449A CN201110273449A CN102324711A CN 102324711 A CN102324711 A CN 102324711A CN 201110273449 A CN201110273449 A CN 201110273449A CN 201110273449 A CN201110273449 A CN 201110273449A CN 102324711 A CN102324711 A CN 102324711A
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- tong arm
- auxilliary
- main
- jaw
- main tong
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Abstract
The invention relates to a special method or equipment for installing, maintaining, repairing or dismantling electric cables or electric wires, in particular to a tool for fixing 10kV insulated conductors. The tool for fixing the 10kV insulated conductors is characterized by comprising a main clamp arm, an auxiliary clamp arm, a clamp jaw, a transmission bar and an offsetting spring; the clamp jaw comprises a fixing part and a movable part which are hinged with each other and are respectively installed at the front end of the main clamp arm and the front end of the auxiliary clamp arm; a long-shaped groove is arranged at the internal side of the main clamp arm; a position-limiting member is installed in the long-shaped groove; one end of the transmission bar is fixedly connected onto the auxiliary clamp arm; and the other end of the transmission bar is a movable end which is positioned in the groove of the main clamp arm, can slide in the groove by taking the long groove as a guide rail and supports against the position-limiting member. By fixing the insulated conductors and using a wire-stripping tool in a coordination manner, the tool for fixing the 10kV insulated conductors has the advantages that: the problem of swinging caused by the distortion and energy storage of the conductors is solved; and the insulation layers are easy to strip off, and the discontinuous wire-stripping or the repeated wire-stripping is not needed, so that the time for stripping is reduced, the working efficiency is greatly enhanced, and the potential safety hazards of wires are prevented or reduced.
Description
Technical field
The present invention relates to a kind of method or equipment that is exclusively used in installation, maintenance, repairs or dismantle cable or electric wire, particularly a kind of 10kV insulated conductor setting tool.
Background technology
The charged overlap joint power work of 10kV; Must, the insulated conductor insulated hull just can carry out after divesting; But often there is insulating barrier (hardening) phenomenon that wears out in the 10kV insulated conductor that moved; Therefore utilizing the special-purpose wire stripper of live line working to divest in the process of insulated hull, lead reverses with wire stripper easily, and causes following several respects problem:
When 1, insulating barrier reverses with wire stripper; The lead accumulation of energy; The lead swing is excessive during release; Cause alternate, 0.6 and 0.4 meter of the not enough safety regulation of ground distance mutually, and might cause loosening, the heating of adjacent shaft tower coupling part gold utensil, even make binding aging on the pin bottle become flexible, break finally to cause the serious consequence of wire dropping, short circuit.
2, insulating barrier can't be shelled to the greatest extent or intermittently divest, and causes that work ratio is low, waste man-hour, causes that easily the operating personnel is tired, jeopardizes personal safety.Because live line working belongs to high-risk job that requires special skills; Require the operating personnel under the good state of mind, to operate; When wire insulation divests the Job Operations overlong time; Particularly operation under summer high temperature weather makes easily that phenomenon weak, that consciousness laxes, heatstroke, collapse etc. jeopardize personal safety appears in the electrician in the bucket.
3, divest to repeatability, be prone to make wire stripper to damage, and damage wires.After lead reversed with wire stripper, the wire stripper edge of a knife received the effect of insulated hull external force that permanent deformation possibly take place, and long withstand voltage operation will be shortened the useful life of wire stripper greatly.When insulated hull divests not to the utmost, intermittently divest or continue to divest by other instruments, all lesion wire thigh in various degree causes circuit heating defective, stays potential safety hazard to circuit.
When running into the problems referred to above, according to safety supervision department pertinent regulations, the operation of can only taking to have a power failure is handled.According in setting-up time, in the appointed area, carrying out the situation statistical form that 10kV distribution network live line overlap joint power work wire insulation divests; Because of divesting the failure operation probability that causes power failure is 3.6%, and divest the lead swing that causes, divest cause not to the utmost divest and prolong potential safety hazard in various degree that the time of divesting brings repeatedly up to 39%.Therefore develop a kind of special instrument and stop this type of hidden danger and improve insulated conductor that to divest rate imperative.
Summary of the invention
The objective of the invention is to weak point according to prior art provides a kind of and reduces or stop potential safety hazard, improves the 10kV insulated conductor setting tool that wire insulation divests rate, reduces the time that divests.
The objective of the invention is to realize through following approach:
10kV insulated conductor setting tool, its structural feature are, include main tong arm, auxilliary tong arm, jaw, drive link and back-moving spring; Jaw comprises fixture and the movable part that is articulated and connected, and the front end of main tong arm is connected with the fixture of jaw, and the front end of auxilliary tong arm is connected with the movable part of jaw; Main tong arm inboard has a microscler fluting, in this microscler fluting spacing member is installed, and an end of drive link is fixedly connected on the auxilliary tong arm; The other end is a movable end, is arranged in the fluting of main tong arm, is guide rail with microscler fluting; Can in fluting, slide, and be supported on the spacing member; One end of back-moving spring is installed in the front end inboard of auxilliary tong arm, and the other end is installed on the medial surface of main tong arm.
During use, jaw is aimed at insulated conductor, and the application of force will be assisted the tail end of tong arm to the pressing of main tong arm tail end direction; This moment, the movable end of drive link touched spacing member gradually in main tong arm, stop then sliding and be limited on the position of spacing member, along with main tong arm and auxilliary tong arm tail end near; The movable end roof pressure of drive link and receives the reaction force of spacing member on spacing member, transmit this active force to the fixing end of auxilliary tong arm; And the auxilliary tong arm of priming moves upward; The movable part that drives jaw to fixture near, realize the interlock of jaw, the back-moving spring energy storage that also is stretched this moment.Like this, instrument according to the invention is just fixed insulated conductor, and then uses stripping tool that insulating barrier is divested.Behind the end of operation, under the energy storage of back-moving spring discharged, main tong arm separated with auxilliary tong arm, and each parts resets.
Through the fixing insulated conductor of handling, when divesting insulating barrier, lead can not twist, be out of shape, and has therefore solved the problem that lead is swung because of the distortion accumulation of energy; In addition, when behind fixing cord, divesting insulating barrier, owing to need not to consider the activity factor of lead; Therefore shell insulating barrier to the greatest extent easily, need not intermittently to divest or divest repeatedly, reduced the time of divesting; Operating efficiency improves greatly; The operating personnel can realize operation in the working strength scope, solved the personal safety potential problem, also stops or reduced simultaneously the security hidden trouble of circuit.The use of insulated conductor setting tool according to the invention has reduced the frequency of utilization of stripping tool, has improved the useful life of instrument, and according to preliminary statistics on probation, annual savable tool expense reaches about 100,000 yuan; And; Owing to divest carrying out smoothly of insulating barrier,, guaranteed overlap joint power work safety, accomplished efficiently for charged overlap joint lead provides good basis; Practiced thrift working hour greatly; Increased live line working expansion rate already, can many amount of power supply reach 150,000 kilowatt hours every year at least, increases the invisible economic results in society of creation and reach 1,330,000 yuan.
The present invention can further be specially:
Also include a kind of bayonet lock, it is installed in auxilliary tong arm tail end, and hinged with auxilliary tong arm, the outside is the convex arc structure, and is exposed at outward outside the medial surface of auxilliary tong arm.
When operation pressing master's tong arm and auxilliary tong arm, bayonet lock can embed in the main tong arm along with the main tong arm and the auxilliary tong arm that clamp, and the arc-shaped side edges that exposes is inboard by touching at main tong arm, perhaps by touching on spacing member.Because main tong arm and auxilliary tong arm need clamp with maximum fixing cord, therefore be easy to generate between main tong arm and the auxilliary tong arm locked, at this moment; Depending merely on back-moving spring maybe be not enough; So add special-purpose bayonet lock, its operation principle is, when main tong arm and auxilliary tong arm clamp when locked; With the fixing point of bayonet lock on auxilliary tong arm is that the arc-shaped side edges of resistance point, bayonet lock and the contact point of main tong arm inboard are fulcrum; Apply power at the bayonet lock tail end, just form lever conditions, resistance point drives auxilliary tong arm away from main tong arm.Thus, not only can the setting tool in the operation be resetted spring-assisted reduction, simultaneously, can protect auxilliary tong arm, guarantee the stability of operating process; Bayonet lock should carry out independent design according to the parameter of the transversal diameter of the streamline of auxilliary tong arm and main tong arm in addition, because it can substitute the operation of auxilliary tong arm when resetting, even if therefore also replacing easily of long term wear has good economic and practical.
Spacing member can further be:
Spacing member is a kind of adjusting screw(rod), and it is installed in the tail end of main tong arm, and a part is positioned at the microscler fluting of main tong arm, and another part extends in the tail end outside through the screw of main tong arm tail end, and the screw rod tail end has an operation executive item.
Like this; Through action to the operation executive item; Can adjust the length of adjusting screw(rod) in the microscler fluting of main tong arm, further regulate the Support Position of movable end in main tong arm of drive link, thereby regulate the opening and closing amplitude of jaw; To adapt to the demand of different-diameter size lead, make setting tool according to the invention have extensive applicability.
The screw thread length overall of main tong arm afterbody adjusting screw(rod) is greater than 50mm.Consider the cooperation of adjusting time and operating time, and the demand that need satisfy each model lead, screw flight needs certain length; In the time of will guaranteeing that screw rod is locked simultaneously, jaw should be just closed, like this; Support the stressed of drive link by screw thread, stability is high, and is easy and simple to handle; Stressed reliable, do not influence safe distance.Consider the safe distance of operation, the screw thread length overall preferably is no more than 70mm.
Front end at main tong arm is inboard, and the front side of back-moving spring has the arc mounting groove.
The movable end that the arc mounting groove is mainly used in drive link is installed in the main tong arm.In addition, therefore locked owing to it is positioned on the position of back-moving spring when setting tool occurring, when back-moving spring lost efficacy, can carry out auxiliary operation to back-moving spring through this arc mounting groove, be convenient to resetting to instrument.
The present invention can further be specially:
The contact area of jaw and lead is greater than main tong arm cross-sectional area.Mainly can be embodied in:
Jaw is a kind of aerofoil profile structure, and with the trunk that extends to of main tong arm or auxilliary tong arm, both sides stretch out.
For example, can jaw be extended to 10cm.Though the contact area of setting tool jaw and lead is more little, pressure is bigger, frictional force is also big more, fixed effect is just good more, operate also more laborsaving, the too small possible again lesion wire thigh of area, poor stability.In research and development and practice process; Under the prerequisite of not damaging lead; The elastic limit of the safe distance when taking all factors into consideration live line working, the total weight of instrument own, back-moving spring, the factor of the stability during the jaw clamping wire, design jaw area is that the 1-2 of main tong arm cross-sectional area is doubly for good.
In sum, the invention provides a kind of 10kV insulated conductor setting tool, fixing through to insulated conductor cooperates the use of stripping tool, solved the problem that lead is swung because of the distortion accumulation of energy; The most insulating barrier of stripping need not intermittently to divest or divest repeatedly easily, has reduced the time of divesting, and operating efficiency improves greatly, stops or reduced the security hidden trouble of circuit.
Description of drawings
Shown in Figure 1 is the structural representation of 10kV insulated conductor setting tool of the present invention.
Shown in Figure 2 is among Fig. 1, and main tong arm connects the inner side view of jaw fixture; Whole reaches of adjusting screw(rod) are all locked in the microscler fluting of main tong arm among this figure.Shown in Figure 3 is that the A-A of Fig. 2 is to profile.
Shown in Figure 4 is among Fig. 1, and auxilliary tong arm connects the inner side view of jaw fixture.
Below in conjunction with embodiment the present invention is done and to further describe.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1,10kV insulated conductor setting tool includes main tong arm 1, auxilliary tong arm 2, jaw 3, drive link 4 and back-moving spring 5; Jaw 3 profiles are aerofoil profile, and with the trunk that extends to of main tong arm or auxilliary tong arm, both sides stretch out; Total length is 10cm (seeing accompanying drawing 2 and accompanying drawing 3); Comprise the fixture 31 and movable part 32 that are articulated and connected, the front end of main tong arm 1 is connected with the fixture of jaw 31, and the front end of auxilliary tong arm 2 is connected with the movable part 32 of jaw.
On the basis of accompanying drawing 1, cooperate with reference to accompanying drawing 2, main tong arm 1 inboard has a microscler fluting 11, in this microscler fluting 11 spacing member 6 is installed; Spacing member 6 is a kind of adjusting screw(rod); Wherein reach is 50-60mm, and it is installed in the tail end of main tong arm 1, and a part is positioned at the microscler fluting of main tong arm 1; Another part extends in the tail end outside through the screw of main tong arm 1 tail end, and the screw rod tail end has an operation executive item 8.
Referring to accompanying drawing 1,2,3; One end of drive link 4 is fixedly connected on the auxilliary tong arm 2, and the other end is a movable end, is arranged in the fluting of main tong arm 1; Spacing sliding shoe 12 is installed; It is guide rail with microscler fluting 11 that this sliding shoe drives drive link 4, can in fluting, slide, and be supported on screw rod one end as spacing member 6; One end of back-moving spring 5 is installed in the front end inboard of auxilliary tong arm 2, and the other end is installed on the medial surface of main tong arm 1.Front end at main tong arm 1 is inboard, and the front side of back-moving spring 5 has arc mounting groove 9.
With reference to accompanying drawing 1 and accompanying drawing 4, at the tail end of assisting tong arm 2 a kind of bayonet lock 7 is installed, one of which end and auxilliary tong arm 2 are hinged; Can contain and be embedded in during auxilliary tong arm inboard begins to speak; The outside of bayonet lock 7 is the convex arc structure, and is exposed at outward outside the medial surface of auxilliary tong arm, and the B point is the mounting points of drive link 4.
Before the use, adjust the length of adjusting screw(rod) in main tong arm according to the diameter of wire size, and locked.During use, jaw is aimed at insulated conductor, and the application of force will be assisted the tail end of tong arm to the pressing of main tong arm tail end direction; The movable end of drive link slides in main tong arm and touches the adjusting screw(rod) top gradually at this moment, stops then sliding and being supported on this adjusting screw(rod), under the support of adjusting screw(rod); Drive link transmits this supporting role power to a fixing end of auxilliary tong arm, and the auxilliary tong arm of priming moves upward, the movable part that drives jaw to fixture near; Realize the interlock of jaw; The back-moving spring energy storage that is stretched this moment, bayonet lock embeds in the main tong arm, and arc-shaped side edges is compressed on the adjusting screw(rod) that is positioned at main tong arm.After the use, the back-moving spring energy storage discharges, and perhaps operating personnel press the free tail end of bayonet lock, and main tong arm and auxilliary tong arm are separated, and each parts resets.
It is identical with prior art that the present invention does not state part.
Claims (7)
1.10kV the insulated conductor setting tool is characterized in that, includes main tong arm (1), auxilliary tong arm (2), jaw (3), drive link (4) and back-moving spring (5); Jaw (3) comprises fixture (31) and the movable part (32) that is articulated and connected, and the front end of main tong arm (1) is connected with the fixture (31) of jaw, and the front end of auxilliary tong arm (2) is connected with the movable part (32) of jaw; Main tong arm (1) inboard has a microscler fluting; Spacing member (6) is installed in this microscler fluting, and an end of drive link (4) is fixedly connected on the auxilliary tong arm (2), and the other end is a movable end; Be arranged in the fluting of main tong arm (1); With microscler fluting is guide rail, can in fluting, slide, and be supported on the spacing member (6); One end of back-moving spring (5) is installed in the front end inboard of auxilliary tong arm (2), and the other end is installed on the medial surface of main tong arm (1).
2. 10kV insulated conductor setting tool according to claim 1 is characterized in that, also includes a kind of bayonet lock (7); It is installed in auxilliary tong arm (2) tail end; One end and auxilliary tong arm (2) are hinged, and the outside is the convex arc structure, and is exposed at outward outside the medial surface of auxilliary tong arm (2).
3. 10kV insulated conductor setting tool according to claim 1; It is characterized in that; Spacing member (6) is a kind of adjusting screw(rod), and it is installed in the tail end of main tong arm (1), and a part is positioned at the microscler fluting of main tong arm (1); Another part extends in the tail end outside through the screw of main tong arm (1) tail end, and the screw rod tail end has an operation executive item (8).
4. 10kV insulated conductor setting tool according to claim 3 is characterized in that, the screw thread length overall of main tong arm (1) afterbody adjusting screw(rod) is 50-70mm.
5. 10kV insulated conductor setting tool according to claim 1 is characterized in that, inboard at the front end of main tong arm (1), the front side of back-moving spring (5) has arc mounting groove (9).
6. 10kV insulated conductor setting tool according to claim 1 is characterized in that, jaw (3) is a kind of aerofoil profile structure, and with the trunk that extends to of main tong arm or auxilliary tong arm, both sides stretch out.
7. 10kV insulated conductor setting tool according to claim 1 is characterized in that, jaw (3) area is 1-2 a times of main tong arm cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110273449A CN102324711A (en) | 2011-09-15 | 2011-09-15 | Tool for fixing 10kV insulated conductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110273449A CN102324711A (en) | 2011-09-15 | 2011-09-15 | Tool for fixing 10kV insulated conductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102324711A true CN102324711A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110273449A Pending CN102324711A (en) | 2011-09-15 | 2011-09-15 | Tool for fixing 10kV insulated conductors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102324711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143784A (en) * | 2014-07-18 | 2014-11-12 | 国家电网公司 | Method and device for 10 kV electrified work for breaking lead on falling type fuse |
| CN104143784B (en) * | 2014-07-18 | 2017-01-04 | 国网辽宁省电力有限公司鞍山供电公司 | The operational method of lead-in wire on the charged disconnected fuse switch of 10kV |
| CN108226579A (en) * | 2016-11-20 | 2018-06-29 | 国网江西省电力公司赣东北供电分公司 | A kind of Novel bunk current voltage is mutually than the automatic plug binding clip device of tester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842696A (en) * | 1973-10-26 | 1974-10-22 | K Wayne | Tool |
| CN2091745U (en) * | 1991-04-02 | 1992-01-01 | 姜京洙 | Multi-purpose self-locking pliers |
| CN202197046U (en) * | 2011-09-15 | 2012-04-18 | 福建省晋江市电力有限责任公司 | Fixing tool for 10kV insulating lead wire |
-
2011
- 2011-09-15 CN CN201110273449A patent/CN102324711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842696A (en) * | 1973-10-26 | 1974-10-22 | K Wayne | Tool |
| CN2091745U (en) * | 1991-04-02 | 1992-01-01 | 姜京洙 | Multi-purpose self-locking pliers |
| CN202197046U (en) * | 2011-09-15 | 2012-04-18 | 福建省晋江市电力有限责任公司 | Fixing tool for 10kV insulating lead wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143784A (en) * | 2014-07-18 | 2014-11-12 | 国家电网公司 | Method and device for 10 kV electrified work for breaking lead on falling type fuse |
| CN104143784B (en) * | 2014-07-18 | 2017-01-04 | 国网辽宁省电力有限公司鞍山供电公司 | The operational method of lead-in wire on the charged disconnected fuse switch of 10kV |
| CN108226579A (en) * | 2016-11-20 | 2018-06-29 | 国网江西省电力公司赣东北供电分公司 | A kind of Novel bunk current voltage is mutually than the automatic plug binding clip device of tester |
| CN108226579B (en) * | 2016-11-20 | 2023-10-27 | 国网江西省电力公司赣东北供电分公司 | Novel automatic plug binding clip device of high-low voltage current mutual ratio tester |
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Legal Events
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN ELECTRIC POWER CO., LTD. FUJIAN JINJIANG EL Effective date: 20121120 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: FUJIAN JINJIANG ELECTRIC POWER CO., LTD. Effective date: 20121120 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 362200 QUANZHOU, FUJIAN PROVINCE TO: 100031 XICHENG, BEIJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20121120 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Fujian Electric Power Co., Ltd. Applicant after: Fujian Jinjiang Electric Power Co., Ltd. Address before: 362200 Electric Power Mansion, 679 Century Avenue, Quanzhou, Fujian, Jinjiang Applicant before: Fujian Jinjiang Electric Power Co., Ltd. |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20120118 |