CN103606848A - Special clamp for multiple divided conductor hot-line work lifting device - Google Patents

Special clamp for multiple divided conductor hot-line work lifting device Download PDF

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Publication number
CN103606848A
CN103606848A CN201310595911.9A CN201310595911A CN103606848A CN 103606848 A CN103606848 A CN 103606848A CN 201310595911 A CN201310595911 A CN 201310595911A CN 103606848 A CN103606848 A CN 103606848A
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CN
China
Prior art keywords
fission conductor
clamp
fixed head
wire clamp
lifting
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Granted
Application number
CN201310595911.9A
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Chinese (zh)
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CN103606848B (en
Inventor
鲍晓华
谢小松
张文明
桌亚光
胡心刚
陶勇
金文达
励勋芳
吴俊�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUGUANG MACHINERY CO Ltd SHANGHAI
State Grid Shanghai Electric Power Co Ltd
Original Assignee
ZHUGUANG MACHINERY CO Ltd SHANGHAI
State Grid Shanghai Electric Power Co Ltd
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Application filed by ZHUGUANG MACHINERY CO Ltd SHANGHAI, State Grid Shanghai Electric Power Co Ltd filed Critical ZHUGUANG MACHINERY CO Ltd SHANGHAI
Priority to CN201310595911.9A priority Critical patent/CN103606848B/en
Publication of CN103606848A publication Critical patent/CN103606848A/en
Application granted granted Critical
Publication of CN103606848B publication Critical patent/CN103606848B/en
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Abstract

The invention discloses a special clamp for a multiple divided conductor hot-line work lifting device, and relates to a method or equipment used for mounting, maintaining, repairing or detaching cables or electric wires. The special clamp is composed of a fixing plate and two connecting plates, wherein the upper ends of the connecting plates are symmetrically and vertically welded to the bottom face of the fixing plate, and the connecting plates and the transversely arranged fixing plate are arranged to form a TT-shaped structure; the upper end of a wire clamp connecting plate is clamped between the two paratactic connecting plates; hinged-connection shaft holes penetrating through the two connecting plates and the wire clamp connecting plate are formed; the special clamp and the wire clamp connecting plate form a hinged-connection structure through bolts or hinge pins, wherein the bolts or the hinge pins penetrate through the hinged-connection shaft holes; the lead screw stretch-out end of a lead screw nut mechanism penetrates through connecting through holes in the two ends of the fixing plate to stretch into space formed between the special clamp and a connecting part of the wire clamp connecting plate in am embedded mode, and air gap meeting hot-line work operation requirements is reserved between metal parts of the lead screw nut mechanism and a cross arm of a transmission power. The special clamp for the multiple divided conductor hot-line work lifting device is simple in structural form, convenient to use and capable of meeting maintenance hot-line work requirements of extra high voltage transmission lines in combination with an insulating tool.

Description

A kind of special mould clamp of multiple fission conductor live line working lifting device
Technical field
The present invention relates to the method or the equipment that are exclusively used in installation, maintenance, repair or dismantle cable or electric wire, relate in particular to a kind of special mould clamp of the multiple fission conductor live line working lifting device for overhead transmission line tower bar.
Background technology
Multiple fission conductor is that extra high voltage network is to suppress corona discharge and reduce a kind of wire erection mode that line reactance is taked.Multiple fission conductor is comprised of several less intraphase conductors of diameter, and each intraphase conductor keeps at a certain distance away and arranges by symmetrical polygonal, and is arranged on the summit of regular polygon.Extra-high voltage alternating current-direct current circuit more than 500KV adopts even eight bundle conductors of quadripartion, six divisions conventionally at present.Multiple fission conductor drives the maintenance construction of circuit, often need to promote a component wire that forms multiple fission conductor simultaneously, to change tension string or the All other routes gold utensil of damage.Chinese utility model patent " a kind of tower head multiple fission conductor live line working lifting device " (utility model patent number: ZL200720085186.0 Granted publication number: CN201044342Y) disclose a kind of tower head multiple fission conductor live line working lifting device, this device includes two supporting seats, it is characterized in that between two supporting seats being connected by the lead screw assembly of adjustable length, on two supporting seats, vertical hair thick stick is housed respectively, the lower end of vertical hair thick stick can be connected with insulated hanging pole, and top is connected with the leading screw sleeve that is placed in pedestal top.This utility model multiple fission conductor live line working lifting device and Six-divided conductor hook are used in conjunction with, and electrified wire can be mentioned, and without having a power failure, just can change the operation of insulator string.Yet this utility model multiple fission conductor live line working lifting device need to be used in conjunction with Six-divided conductor hook, it connects and operating process more complicated, for the work high above the ground of overhead transmission line, still belongs to operation inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of special mould clamp of multiple fission conductor live line working lifting device, for transmission tower live line working, promote a component wire that forms multiple fission conductor, to change the operations such as insulator and line hardware simultaneously.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of special mould clamp of multiple fission conductor live line working lifting device, for promoting multiple fission conductor in transmission tower live line working process, described multiple fission conductor is by supporting the wire clamp yoke plate of multiple fission conductor, be fixed on the tension string that hangs on transmission tower cross-arm, described multiple fission conductor lifting device comprises that two covers, for the screw-nut body of the lifting force that provides, is characterized in that:
Described special mould clamp is comprised of fixed head and two gusset pieces, and the upper end symmetry of two gusset pieces is vertically welded on the bottom surface of fixed head, is arranged in π shape structure with the fixed head of transverse arrangement of turbo;
The upper end of supporting the wire clamp yoke plate of multiple fission conductor, is clipped between two gusset pieces arranged side by side; Two gusset pieces with and the center line of wire clamp yoke plate on, be provided with the hinged axis hole that connects two gusset pieces and wire clamp yoke plate;
By bolt or the bearing pin through described hinged axis hole, described special mould clamp and the wire clamp yoke plate that supports multiple fission conductor, form articulated structure;
The leading screw external part of two described cover screw-nut bodies, pass respectively the connecting through hole at fixed head two ends, embedding reaches in the space of special mould clamp and wire clamp yoke plate connecting portion, guarantee between the metal parts and the cross-arm of transmission tower of multiple fission conductor live line working lifting device, retain the air gap that meets hot line job requirement.
A kind of preferably technical scheme of the special mould clamp of multiple fission conductor live line working lifting device of the present invention, it is characterized in that, the two ends of fixed head bend downwards, angle with 90 ° of two gusset pieces formation <, to guarantee being connected to first hoisting mechanism at fixed head two ends and the axis angle of the second hoisting mechanism, consistent with the angle between two eradication edge hauling ropes.
A kind of better technical scheme of the special mould clamp of multiple fission conductor live line working lifting device of the present invention, it is characterized in that, at the upside of the connecting through hole at described fixed head two ends, and the outside of the hinged axis hole of two gusset piece lower ends, be welded and fixed respectively a fixing collar.
The invention has the beneficial effects as follows:
The special mould clamp of transmission tower multiple fission conductor live line working lifting device of the present invention, version is succinct, easy to use, the screw mandrel of its hoisting mechanism is embedded in fixture, guaranteed air gap enough between metal parts and cross-arm, in conjunction with the use of insulating tool, can meet the requirement of UHV transmission line Maintenance and Repair live line working.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission tower multiple fission conductor live line working lifting device;
Fig. 2 is the front view of the special mould clamp of transmission tower multiple fission conductor live line working lifting device of the present invention;
Fig. 3 is the A-A cutaway view of the special mould clamp of transmission tower multiple fission conductor live line working lifting device of the present invention;
Fig. 4 is that the special mould clamp of transmission tower multiple fission conductor live line working lifting device of the present invention is for promoting the working state schematic representation of six-multiple conductor.
The label of each parts in above figure: 1-steel tower cross-arm, 2-tension string, 3-suspension clamp, 4-wire clamp yoke plate, 5-the first hoisting mechanism, 6-the second hoisting mechanism, the 7-hauling rope that insulate, 10-special mould clamp, 11-fixed head, 12-gusset piece, 13-fixing collar, 14-bolt or bearing pin, the hinged axis hole of 15-, 16-connecting through hole.
Embodiment
In order to understand better technique scheme of the present invention, below in conjunction with drawings and Examples, describe in detail further.
The special mould clamp of transmission tower multiple fission conductor live line working lifting device of the present invention as shown in Figures 2 and 3, for the transmission tower multiple fission conductor live line working lifting device shown in Fig. 1 and Fig. 4, in transmission tower live line working, change the service works such as insulator and line hardware, multiple fission conductor in embodiment shown in Fig. 4 is six-multiple conductor, by 6 intraphase conductors that are clamped in respectively on 6 cover suspension clamps 3, formed, suspension clamp 3 is by symmetrical hexagonal arrangement on wire clamp yoke plate 4, and wire clamp yoke plate 4 is suspended on transmission tower by tension string 2; As shown in Figure 1, multiple fission conductor live line working lifting device comprises the first hoisting mechanism 5, the second hoisting mechanism 6 and special mould clamp 10; The first hoisting mechanism 5 and the second hoisting mechanism 6 are by special mould clamp 10, be connected to the wire clamp yoke plate 4 that supports multiple fission conductor, the lifting force that the first hoisting mechanism 5 and the second hoisting mechanism 6 provide, by wire clamp yoke plate 4, suspension clamp 3 and multiple fission conductor Integral lifting, the load transfer of tension string 2 to multiple fission conductor live line working lifting device, is made to each insulator of tension string 2 and the line hardware place state that do not stress;
The first hoisting mechanism 5 and the second hoisting mechanism 6 are screw-nut body; In the embodiment shown in Fig. 1 and Fig. 4, the screw-nut body that the first hoisting mechanism 5 and the second hoisting mechanism 6 adopt with handle, can be by the handle on rotational lead screw nut, drive the rotation of nut wrapping wire thick stick, drive leading screw to move up and down vertically, drive special mould clamp 10 to complete the lifting operation of multiple fission conductor.The upper end of the first hoisting mechanism 5 and the second hoisting mechanism 6, is hanging on the cross-arm 1 of transmission tower by an eradication edge hauling rope 7 respectively;
As shown in Figures 2 and 3, special mould clamp 10 is comprised of fixed head 11 and a pair of gusset piece 12 that is welded on fixed head 11 bottom surfaces; The lower end of the first hoisting mechanism 5 and the second hoisting mechanism 6, be connected respectively to the two ends of fixed head 11, the leading screw external part of described screw-nut body, pass respectively the through hole at fixed head 11 two ends, embedding reaches in the space of special mould clamp 10 and wire clamp yoke plate 4 connecting portions, guarantee between the metal parts of multiple fission conductor live line working lifting device and the cross-arm 1 of transmission tower, retain meet hot line job requirement air gap.
As shown in Figures 2 and 3, the special mould clamp 10 of transmission tower multiple fission conductor live line working lifting device of the present invention, by fixed head 11 and two gusset pieces 12, formed, the upper end symmetry of two gusset pieces 12 is vertically welded on the bottom surface of fixed head 11, is arranged in π shape structure with the fixed head 11 of transverse arrangement of turbo; The upper end of supporting the wire clamp yoke plate 4 of multiple fission conductor, is placed between two gusset pieces arranged side by side 12; The upper end of the lower end of two gusset pieces 12 and wire clamp yoke plate 4, is provided with the hinged axis hole that runs through two gusset pieces 12 and wire clamp yoke plate 4; By bolt or the bearing pin 14 through hinged axis hole 15, special mould clamp 10 and the wire clamp yoke plate 4 that supports multiple fission conductor, form articulated structure.
As depicted in figs. 1 and 2, the two ends of fixed head 11 bend downwards, angle with 90 ° of two gusset pieces, 12 formation <, to guarantee being connected to first hoisting mechanism 5 at fixed head 11 two ends and the axis angle of the second hoisting mechanism 6, consistent with the angle between two eradication edge hauling ropes 7.In the embodiment shown in Fig. 1 and Fig. 2, two angles that thoroughly do away with between edge hauling rope 7 are 20 °, and therefore, the two ends of fixed head 11 and two gusset pieces 12 form respectively the angle of 80 °.
As shown in Figure 2, upside at the connecting through hole 16 at fixed head 11 two ends, and the outside of the hinged axis hole 15 of two gusset piece 12 lower ends, be welded and fixed respectively a fixing collar 13, to strengthen the intensity of each through hole edge part, meet the requirement of wire clamp yoke plate 4, suspension clamp 3 and multiple fission conductor Integral lifting.
Those of ordinary skill in the art will be appreciated that; above embodiment is only for technical scheme of the present invention is described; and be not used as limitation of the invention; any variation of the above embodiment being done based on connotation of the present invention, modification, all will drop in the protection range of claim of the present invention.

Claims (3)

1. the special mould clamp of a multiple fission conductor live line working lifting device, for promoting multiple fission conductor in transmission tower live line working process, described multiple fission conductor is by supporting the wire clamp yoke plate of multiple fission conductor, be fixed on the tension string that hangs on transmission tower cross-arm, described multiple fission conductor lifting device comprises that two covers, for the screw-nut body of the lifting force that provides, is characterized in that:
Described special mould clamp is comprised of fixed head and two gusset pieces, and the upper end symmetry of two gusset pieces is vertically welded on the bottom surface of fixed head, is arranged in π shape structure with the fixed head of transverse arrangement of turbo;
The upper end of supporting the wire clamp yoke plate of multiple fission conductor, is clipped between two gusset pieces arranged side by side; Two gusset pieces with and the center line of wire clamp yoke plate on, be provided with the hinged axis hole that connects two gusset pieces and wire clamp yoke plate;
By bolt or the bearing pin through described hinged axis hole, described special mould clamp and the wire clamp yoke plate that supports multiple fission conductor, form articulated structure;
The leading screw external part of two described cover screw-nut bodies, pass respectively the connecting through hole at fixed head two ends, embedding reaches in the space of special mould clamp and wire clamp yoke plate connecting portion, guarantee between the metal parts and the cross-arm of transmission tower of multiple fission conductor live line working lifting device, retain the air gap that meets hot line job requirement.
2. the special mould clamp of multiple fission conductor live line working lifting device according to claim 1, it is characterized in that, the two ends of described fixed head bend downwards, angle with 90 ° of two gusset pieces formation <, to guarantee being connected to first hoisting mechanism at fixed head two ends and the axis angle of the second hoisting mechanism, consistent with the angle between two eradication edge hauling ropes.
3. the special mould clamp of multiple fission conductor live line working lifting device according to claim 1 and 2, it is characterized in that, at the upside of the connecting through hole at described fixed head two ends, and the outside of the hinged axis hole of two gusset piece lower ends, be welded and fixed respectively a fixing collar.
CN201310595911.9A 2013-11-21 2013-11-21 A kind of special mould clamp of multiple fission conductor live line working lifting device Active CN103606848B (en)

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CN201310595911.9A CN103606848B (en) 2013-11-21 2013-11-21 A kind of special mould clamp of multiple fission conductor live line working lifting device

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Application Number Priority Date Filing Date Title
CN201310595911.9A CN103606848B (en) 2013-11-21 2013-11-21 A kind of special mould clamp of multiple fission conductor live line working lifting device

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CN103606848A true CN103606848A (en) 2014-02-26
CN103606848B CN103606848B (en) 2016-01-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265946A (en) * 1995-03-22 1996-10-11 Hitachi Cable Ltd Frame structure of spacer for bundle conductor transmission line
CN201340987Y (en) * 2008-09-27 2009-11-04 湖北省电力公司超高压输变电公司 Extra-high voltage power transmission line separate wire raiser
CN202333602U (en) * 2011-11-21 2012-07-11 辽宁省电力有限公司朝阳供电公司 Double-connection board wire tightening clamp
CN202930825U (en) * 2012-10-31 2013-05-08 杭州市电力局 Tool used for replacing strain tower twin bundled conductor side hardware fittings
CN203014270U (en) * 2012-11-30 2013-06-19 新郑市供电公司 A triangular connecting plate connector used for a double bundled conductor in a power transmission line

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265946A (en) * 1995-03-22 1996-10-11 Hitachi Cable Ltd Frame structure of spacer for bundle conductor transmission line
CN201340987Y (en) * 2008-09-27 2009-11-04 湖北省电力公司超高压输变电公司 Extra-high voltage power transmission line separate wire raiser
CN202333602U (en) * 2011-11-21 2012-07-11 辽宁省电力有限公司朝阳供电公司 Double-connection board wire tightening clamp
CN202930825U (en) * 2012-10-31 2013-05-08 杭州市电力局 Tool used for replacing strain tower twin bundled conductor side hardware fittings
CN203014270U (en) * 2012-11-30 2013-06-19 新郑市供电公司 A triangular connecting plate connector used for a double bundled conductor in a power transmission line

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