CN103606849B - Transmission tower multiple fission conductor live line working lifting device and special mould clamp thereof - Google Patents

Transmission tower multiple fission conductor live line working lifting device and special mould clamp thereof Download PDF

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Publication number
CN103606849B
CN103606849B CN201310595942.4A CN201310595942A CN103606849B CN 103606849 B CN103606849 B CN 103606849B CN 201310595942 A CN201310595942 A CN 201310595942A CN 103606849 B CN103606849 B CN 103606849B
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China
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hoisting
fixed head
fission conductor
special mould
clamp
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CN201310595942.4A
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CN103606849A (en
Inventor
杨庆华
孟亮
胡凌靖
陆峰
鲍晓华
金文达
励勋芳
吴俊�
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ZHUGUANG MACHINERY CO Ltd SHANGHAI
State Grid Shanghai Electric Power Co Ltd
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ZHUGUANG MACHINERY CO Ltd SHANGHAI
State Grid Shanghai Electric Power Co Ltd
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Abstract

Transmission tower multiple fission conductor live line working lifting device and special mould clamp thereof, relate to the method or the equipment that are exclusively used in installation, maintenance, repairing or dismantle cable or electric wire, comprise first, second hoisting mechanism and special mould clamp, two hoisting mechanisms pass through special mould clamp, be connected to the wire clamp yoke plate supporting multiple fission conductor, by wire clamp yoke plate, suspension clamp and multiple fission conductor Integral lifting, special mould clamp is made up of fixed head and the gusset piece being welded on fixed head bottom surface; Hoisting mechanism is screw-nut body, is hanging on the cross-arm of shaft tower by insulation hauling rope; The leading screw external part of hoisting mechanism passes the through hole at fixed head two ends, be embedded in the space of special mould clamp and wire clamp yoke plate connecting portion, guarantee between the metal parts of multiple fission conductor live line working lifting device and cross-arm, to retain the air gap meeting hot line job and require.This apparatus structure form is succinct, easy to use, in conjunction with the use of insulating tool, can meet the requirement of UHV transmission line Maintenance and Repair live line working.

Description

Transmission tower multiple fission conductor live line working lifting device and special mould clamp thereof
Technical field
The present invention relates to the method or the equipment that are exclusively used in installation, maintenance, repairing or dismantle cable or electric wire, particularly relate to a kind of multiple fission conductor live line working lifting device for overhead transmission line tower bar and special mould clamp thereof.
Background technology
Multiple fission conductor is a kind of wire erection mode that extra high voltage network is taked for suppressing corona discharge and minimizing line reactance.Multiple fission conductor is made up of the intraphase conductor that several diameters are less, and each intraphase conductor keeps at a certain distance away and arranges by symmetrical polygonal, and is arranged on the summit of regular polygon.The extra-high voltage alternating current-direct current circuit of current more than 500KV adopts quadripartion, six divisions even eight bundle conductors usually.Multiple fission conductor drives the maintenance construction of circuit, often needs the component wire simultaneously promoting composition multiple fission conductor, 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 Authorization Notice No.: CN201044342Y) discloses a kind of tower head multiple fission conductor live line working lifting device, this device includes two supporting seats, it is characterized in that being connected by the lead screw assembly of adjustable length between two supporting seats, two supporting seats are equipped with vertical hair thick stick 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 be placed in above pedestal.This utility model multiple fission conductor live line working lifting device and Six-divided conductor hook with the use of, electrified wire can being mentioned, just can carry out without the need to having a power failure the operation changing insulator string.But this utility model multiple fission conductor live line working lifting device need with Six-divided conductor hook with the use of, its connect with operating process more complicated, for the work high above the ground of overhead transmission line, still belong to operation inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of transmission tower multiple fission conductor live line working lifting device, in transmission tower live line working, promote a component wire of composition multiple fission conductor, to carry out the operations such as exchange insulator and line hardware simultaneously.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of transmission tower multiple fission conductor live line working lifting device, comprises the first hoisting mechanism, the second hoisting mechanism and special mould clamp, it is characterized in that:
First hoisting mechanism and the second hoisting mechanism, by special mould clamp, are connected to the wire clamp yoke plate supporting multiple fission conductor; The lifting force that first hoisting mechanism and the second hoisting mechanism provide, by wire clamp yoke plate, suspension clamp and multiple fission conductor Integral lifting, the load transfer of tension string, to multiple fission conductor live line working lifting device, makes each insulator of tension string and line hardware place not stress state;
First hoisting mechanism and the second hoisting mechanism are screw-nut body; The upper end of the first hoisting mechanism and the second hoisting mechanism, thoroughly does away with edge hauling rope respectively by one and is hanging on the cross-arm of transmission tower;
Special mould clamp is made up of fixed head and a pair gusset piece being welded on fixed head bottom surface; The lower end of the first hoisting mechanism and the second hoisting mechanism, is connected respectively to the two ends of fixed head; Support the upper end of wire clamp yoke plate of multiple fission conductor, be clipped between two pieces of gusset pieces arranged side by side; By pass through bolt or the bearing pin of the hinged axis hole of two pieces of gusset pieces and wire clamp yoke plate, described special mould clamp forms articulated structure with the wire clamp yoke plate supporting multiple fission conductor;
The leading screw external part of described screw-nut body, be each passed through the connecting through hole at fixed head two ends, in the embedding space reaching special mould clamp and wire clamp yoke plate connecting portion, between the metal parts guaranteeing multiple fission conductor live line working lifting device and the cross-arm of transmission tower, retain meet hot line job requirement air gap.
A kind of technical scheme of transmission tower multiple fission conductor live line working lifting device of the present invention, it is characterized in that, described special mould clamp is made up of fixed head and two pieces of gusset pieces, the upper end symmetry of two pieces of 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 one preferably technical scheme of multiple fission conductor live line working lifting device of the present invention, it is characterized in that the two ends of the fixed head of described special mould clamp bend downwards, the angle of < 90 ° is formed with two pieces of gusset pieces, to ensure to be connected to first hoisting mechanism at fixed head two ends and the axis angle of the second hoisting mechanism, consistent with the angle that two thoroughly do away with between edge hauling rope.
The invention has the beneficial effects as follows:
Transmission tower multiple fission conductor live line working lifting device of the present invention, the screw mandrel of its hoisting mechanism is embedded in fixture, ensure that air gap enough between metal parts and cross-arm, its version is succinct, easy to use, in conjunction with the use of insulating tool, the requirement of UHV transmission line Maintenance and Repair live line working can be met.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission tower multiple fission conductor live line working lifting device of the present invention;
Fig. 2 is the front view of the special mould clamp for 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 for transmission tower multiple fission conductor live line working lifting device of the present invention;
Fig. 4 is that 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-suspension clamp wire clamp yoke plate, 5-first hoisting mechanism, 6-second hoisting mechanism, 7-insulate hauling rope, 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 technique scheme of the present invention can be understood better, describe in detail further below in conjunction with drawings and Examples.
An embodiment of transmission tower multiple fission conductor live line working lifting device of the present invention as shown in Figure 1, for exchanging the service work such as insulator and line hardware in transmission tower live line working, multiple fission conductor in embodiment shown in Fig. 4 is six-multiple conductor, the intraphase conductor be clamped in respectively on 6 cover suspension clamps 3 by 6 forms, 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, second hoisting mechanism 6 and special mould clamp 10; 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 supporting multiple fission conductor, the lifting force that 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, by the load transfer of tension string 2 to multiple fission conductor live line working lifting device, each insulator of tension string 2 and line hardware place are not stressed state;
First hoisting mechanism 5 and the second hoisting mechanism 6 are screw-nut body; In the embodiment shown in Fig. 1 and Fig. 4, first hoisting mechanism 5 and the second hoisting mechanism 6 adopt the screw-nut body of band handle, can by the handle on rotational lead screw nut, nut wrapping wire thick stick is driven to rotate, 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, thoroughly does away with edge hauling rope 7 respectively by one and is hanging on the cross-arm 1 of transmission tower;
Special mould clamp 10 is made up of fixed head 11 and a pair gusset piece 12 being welded on fixed head 11 bottom surface; 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, be each passed through the connecting through hole 16 at fixed head 11 two ends, in the embedding space reaching special mould clamp 10 and wire clamp yoke plate 4 connecting portion, guarantee to retain between the metal parts of multiple fission conductor live line working lifting device and cross-arm 1 meet that hot line job requires air gap.
Multiple fission conductor of the present invention promotes special mould clamp as shown in Figures 2 and 3, for the transmission tower multiple fission conductor live line working lifting device shown in Fig. 1, special mould clamp 10 is made up of fixed head 11 and two pieces of gusset pieces 12, the upper end symmetry of two pieces of 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; Support the upper end of wire clamp yoke plate 4 of multiple fission conductor, be placed between two pieces of gusset pieces 12 arranged side by side; Two pieces of gusset pieces 12 with and wire clamp yoke plate 4 center line on, be provided with the hinged axis hole 15 running through two pieces of gusset pieces 12 and wire clamp yoke plate 4, by pass through bolt or the bearing pin 14 of hinged axis hole 15, special mould clamp 10 and the wire clamp yoke plate 4 supporting multiple fission conductor, form articulated structure.
As depicted in figs. 1 and 2, the two ends of fixed head 11 bend downwards, the angle of < 90 ° is formed with two pieces of gusset pieces 12, to ensure to be 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 that two thoroughly do away with between edge hauling rope 7.In the embodiment shown in Fig. 1 and Fig. 2, two angles thoroughly done away with between edge hauling ropes 7 are 20 °, and therefore, the two ends of fixed head 11 and two pieces of gusset pieces 12 form the angle of 80 ° respectively.
As shown in Figure 2, in the upside of the connecting through hole 16 at fixed head 11 two ends, and the outside of the hinged axis hole 15 of two pieces of gusset piece 12 lower ends, be welded and fixed a fixing collar 13 respectively, 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 used to technical scheme of the present invention is described; and be not used as limitation of the invention; any the above embodiment is done based on connotation of the present invention change, modification, all will drop in the protection range of claim of the present invention.

Claims (3)

1. a transmission tower multiple fission conductor live line working lifting device, comprises the first hoisting mechanism, the second hoisting mechanism and special mould clamp, it is characterized in that:
First hoisting mechanism and the second hoisting mechanism, by special mould clamp, are connected to the wire clamp yoke plate supporting multiple fission conductor;
The lifting force that first hoisting mechanism and the second hoisting mechanism provide, by wire clamp yoke plate, suspension clamp and multiple fission conductor Integral lifting, the load transfer of tension string, to multiple fission conductor live line working lifting device, makes each insulator of tension string and line hardware place not stress state;
First hoisting mechanism and the second hoisting mechanism are screw-nut body; The upper end of the first hoisting mechanism and the second hoisting mechanism, thoroughly does away with edge hauling rope respectively by one and is hanging on the cross-arm of transmission tower;
Special mould clamp is made up of fixed head and a pair gusset piece being welded on fixed head bottom surface; The lower end of the first hoisting mechanism and the second hoisting mechanism, is connected respectively to the two ends of fixed head; Support the upper end of wire clamp yoke plate of multiple fission conductor, be clipped between two pieces of gusset pieces arranged side by side; By pass through bolt or the bearing pin of the hinged axis hole of two pieces of gusset pieces and wire clamp yoke plate, described special mould clamp forms articulated structure with the wire clamp yoke plate supporting multiple fission conductor;
The leading screw external part of described screw-nut body, be each passed through the connecting through hole at fixed head two ends, in the embedding space reaching special mould clamp and wire clamp yoke plate connecting portion, between the metal parts guaranteeing multiple fission conductor live line working lifting device and the cross-arm of transmission tower, retain meet hot line job requirement air gap.
2. transmission tower multiple fission conductor live line working lifting device according to claim 1, it is characterized in that, described special mould clamp is made up of fixed head and two pieces of gusset pieces, the upper end symmetry of two pieces of 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.
3. transmission tower multiple fission conductor live line working lifting device according to claim 2, it is characterized in that, the two ends of the fixed head of described special mould clamp bend downwards, the angle of < 90 ° is formed with two pieces of gusset pieces, to ensure to be connected to first hoisting mechanism at fixed head two ends and the axis angle of the second hoisting mechanism, consistent with the angle that two thoroughly do away with between edge hauling rope.
CN201310595942.4A 2013-11-21 2013-11-21 Transmission tower multiple fission conductor live line working lifting device and special mould clamp thereof Active CN103606849B (en)

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CN103606849B true CN103606849B (en) 2015-12-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108002284A (en) * 2017-12-25 2018-05-08 合保电气(芜湖)有限公司 Aerial cables service material instrument conveying arrangement

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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