CN103594968A - Lifting device of multiple divided conductors of transmission tower - Google Patents
Lifting device of multiple divided conductors of transmission tower Download PDFInfo
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- CN103594968A CN103594968A CN201310594415.1A CN201310594415A CN103594968A CN 103594968 A CN103594968 A CN 103594968A CN 201310594415 A CN201310594415 A CN 201310594415A CN 103594968 A CN103594968 A CN 103594968A
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- hoisting mechanism
- transmission tower
- multiple fission
- fission conductor
- lifting
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Abstract
The invention relates to a method or device special for assembly or maintenance or repairing or disassembly of cables or electric wires, in particular to a lifting device of multiple divided conductors of a transmission tower. The lifting device of the multiple divided conductors of the transmission tower comprises a first lifting mechanism, a second lifting mechanism and special clamps, the two lifting mechanisms are connected to a wire clip connection board supporting the multiple divided conductors through the special clamps, the wire clip connection board, a suspension wire clip and the multiple divided conductors are lifted integrally, and each special clamp is composed of two fixing boards and a connection board welded between the two fixing boards. The lifting mechanisms are arranged in an air interval space between the transmission tower and the multiple divided conductors. Lifting force is generated through a bidirectional lead screw nut or a hoist crane or an electric/pneumatic/hydraulic cylinder structure. The upper ends of the lifting mechanisms are hung to a cross arm of the transmission tower; the lower ends of the lifting mechanisms are connected to the upper ends of the fixing boards; the lower ends of the fixing boards are hinged to the upper end of the wire clip connection board through hinge shaft holes. The device is simple and flexible in structural mode, convenient to use and capable of meeting the requirements of the maintenance, overhauling and power failure operation of an extra-high voltage transmission circuit.
Description
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 multiple fission conductor 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 lifting device " (utility model patent number: ZL200720085186.0 Granted publication number: CN201044342Y) disclose a kind of tower head multiple fission conductor 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 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 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 transmission tower multiple fission conductor lifting device, for the service work of transmission tower multiple fission conductor, 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 multiple fission conductor lifting device, comprises the first hoisting mechanism, the second hoisting mechanism and special mould clamp, it is characterized in that:
The first hoisting mechanism and the second hoisting mechanism, by special mould clamp, are connected to the wire clamp yoke plate that supports multiple fission conductor; The lifting force that the 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 is to multiple fission conductor lifting device, makes each insulator of tension string and the line hardware place state that do not stress;
The first hoisting mechanism and the second hoisting mechanism are placed in the space, air gap between transmission tower and multiple fission conductor, adopt two-way feed screw nut, hoist crane or electric/pneumatic/hydraulic cylinder structure to produce lifting force; The upper end of the first hoisting mechanism and the second hoisting mechanism, is hanging on the cross-arm of transmission tower;
Described special mould clamp is by two fixed heads and be welded on two gusset pieces between fixed head and form; The upper end of two fixed heads is respectively provided with a connecting through hole, and two fixed heads, respectively by described connecting through hole, are connected to the lower end of described the first hoisting mechanism and the second hoisting mechanism;
The upper end of supporting the wire clamp yoke plate of multiple fission conductor, is clipped between two fixed heads arranged side by side; By bolt or the bearing pin of the hinged axis hole through two fixed heads and wire clamp yoke plate, described special mould clamp forms articulated structure with the wire clamp yoke plate that supports multiple fission conductor.
A kind of preferably technical scheme of transmission tower multiple fission conductor lifting device of the present invention, the upper end outward of two fixed heads of the special mould clamp described in it is characterized in that, symmetric arrays becomes the half of Y shape in left and right, is welded on the both sides of gusset piece.
A kind of improved technical scheme of transmission tower multiple fission conductor lifting device of the present invention, it is characterized in that described gusset piece becomes the inverted trapezoidal without bottom surface, 90 ° of the angle < of the two sides of inverted trapezoidal and end face, the inner side of two fixed head upper ends is welded on the two sides of gusset piece, form the angle of 10～30 °, and be connected to the first hoisting mechanism of two fixed head upper ends and the axis angle of the second hoisting mechanism is consistent.
The invention has the beneficial effects as follows:
Transmission tower multiple fission conductor lifting device of the present invention, its hoisting mechanism is placed in the space, air gap between transmission tower and multiple fission conductor, hoisting mechanism can adopt two-way feed screw nut, pneumatic or hydraulic cylinder structure, version is succinctly flexible, easy to use, can meet the requirement of UHV transmission line Maintenance and Repair power failure operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission tower multiple fission conductor lifting device of the present invention;
Fig. 2 is the front view for the special mould clamp of transmission tower multiple fission conductor lifting device of the present invention;
Fig. 3 is the left view for the special mould clamp of transmission tower multiple fission conductor lifting device of the present invention;
Fig. 4 is that transmission tower multiple fission conductor 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.
An embodiment of transmission tower multiple fission conductor lifting device of the present invention as shown in Figure 1, for transmission tower, 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 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 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 placed in the space, air gap between transmission tower and multiple fission conductor, can adopt two-way feed screw nut, hoist crane or electric/pneumatic/hydraulic cylinder structure to produce lifting force; In the embodiment shown in Fig. 1 and Fig. 4, the first hoisting mechanism 5 and the second hoisting mechanism 6 adopt two-way screw-nut structure, the rotation of the two-way leading screw by two-way screw-nut structure, the nut and the connected special mould clamp 10 that drive two-way leading screw lower end, complete the lifting operation of multiple fission conductor.The upper end of the first hoisting mechanism 5 and the second hoisting mechanism 6, is suspended on the cross-arm 1 of transmission tower;
The upper end of supporting the wire clamp yoke plate 4 of multiple fission conductor, is clipped between two fixed heads arranged side by side 11; The upper end of the lower end of two fixed heads 11 and wire clamp yoke plate 4, is provided with the hinged axis hole 15 that connects two fixed heads 11 and wire clamp yoke plate 4; By bolt or the bearing pin 14 of the hinged axis hole 15 through two fixed heads 11 and wire clamp yoke plate 4, special mould clamp 10 forms articulated structure with the wire clamp yoke plate 4 that supports multiple fission conductor.
According to the embodiment shown in Fig. 2 and Fig. 3, the upper end outward of two fixed heads 11 of special mould clamp 10, symmetric arrays becomes the half of Y shape in left and right, is welded on the both sides of gusset piece 12.
12 one-tenth inverted trapezoidals without bottom surface of gusset piece, 90 ° of the angle < of the two sides of inverted trapezoidal and end face, the inner side of two fixed head 11 upper ends, be welded on the two sides of gusset piece 12, make to form the angle of 10～30 ° between the double-vane of two fixed head 11 upper ends, and be connected to the first hoisting mechanism 5 of two fixed head 11 upper ends and the axis angle of the second hoisting mechanism 6 is consistent.In the embodiment shown in Fig. 1 and Fig. 2, the two sides of inverted trapezoidal and the angle of end face are 80 °, and the double-vane of two fixed head 11 upper ends forms the angle of 20 °, and the axis angle of the first hoisting mechanism 5 and the second hoisting mechanism 6 is 20 °.
As shown in Figure 2, outside at connecting through hole 16 and the hinged axis hole 15 at two fixed head two ends Shang Xia 11, 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. a transmission tower multiple fission conductor lifting device, comprises the first hoisting mechanism, the second hoisting mechanism and special mould clamp, it is characterized in that:
The first hoisting mechanism and the second hoisting mechanism, by special mould clamp, are connected to the wire clamp yoke plate that supports multiple fission conductor;
The lifting force that the 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 is to multiple fission conductor lifting device, makes each insulator of tension string and the line hardware place state that do not stress;
The first hoisting mechanism and the second hoisting mechanism are placed in the space, air gap between transmission tower and multiple fission conductor, adopt two-way feed screw nut, hoist crane or electric/pneumatic/hydraulic cylinder structure to produce lifting force; The upper end of the first hoisting mechanism and the second hoisting mechanism, is hanging on the cross-arm of transmission tower;
Described special mould clamp is by two fixed heads and be welded on two gusset pieces between fixed head and form; The upper end of two fixed heads is respectively provided with a connecting through hole, and two fixed heads, respectively by described connecting through hole, are connected to the lower end of described the first hoisting mechanism and the second hoisting mechanism;
The upper end of supporting the wire clamp yoke plate of multiple fission conductor, is clipped between two fixed heads arranged side by side; By bolt or the bearing pin of the hinged axis hole through two fixed heads and wire clamp yoke plate, described special mould clamp forms articulated structure with the wire clamp yoke plate that supports multiple fission conductor.
2. transmission tower multiple fission conductor lifting device according to claim 1, is characterized in that the upper end outward of two fixed heads of described special mould clamp, and symmetric arrays becomes the half of Y shape in left and right, is welded on the both sides of gusset piece.
3. transmission tower multiple fission conductor lifting device according to claim 2, it is characterized in that described gusset piece becomes the inverted trapezoidal without bottom surface, 90 ° of the angle < of the two sides of inverted trapezoidal and end face, the inner side of two fixed head upper ends is welded on the two sides of gusset piece, form the angle of 10～30 °, and be connected to the first hoisting mechanism of two fixed head upper ends and the axis angle of the second hoisting mechanism is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594415.1A CN103594968B (en) | 2013-11-21 | 2013-11-21 | A kind of transmission tower multiple fission conductor lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594415.1A CN103594968B (en) | 2013-11-21 | 2013-11-21 | A kind of transmission tower multiple fission conductor lifting device |
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| CN103594968A true CN103594968A (en) | 2014-02-19 |
| CN103594968B CN103594968B (en) | 2016-03-30 |
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| CN201310594415.1A Active CN103594968B (en) | 2013-11-21 | 2013-11-21 | A kind of transmission tower multiple fission conductor lifting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972818A (en) * | 2014-05-23 | 2014-08-06 | 国家电网公司 | Wire lifting device for replacing plus and minus 800 kilovolt electric transmission line composite insulator string in charged mode |
| CN107370078A (en) * | 2017-08-17 | 2017-11-21 | 国网上海市电力公司 | Super, UHV Overhead Transmission Line L-type suspension string livewire work side of wire fixture |
| CN108072950A (en) * | 2016-11-16 | 2018-05-25 | 刘伟华 | Optical fiber cable fitting replaces stent |
| CN108879479A (en) * | 2018-07-31 | 2018-11-23 | 国网河南省电力公司检修公司 | Extra high voltage direct current transmission line electrified replacing linear tower wire clamp device and method |
| CN111799696A (en) * | 2020-06-29 | 2020-10-20 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
| CN113104754A (en) * | 2021-04-20 | 2021-07-13 | 广东电网有限责任公司 | Lifting device |
| CN114221256A (en) * | 2021-12-01 | 2022-03-22 | 浙江省送变电工程有限公司 | Method for replacing large yoke plate of extra-high voltage multi-bundle conductor |
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| JPH0686418A (en) * | 1992-09-02 | 1994-03-25 | Sanwa Tekki Corp | Insulator lifting device |
| CN201303230Y (en) * | 2008-09-18 | 2009-09-02 | 湖北省电力公司超高压输变电公司 | Integral type wire lifting device of ultra-high voltage transmission line |
| CN101552433A (en) * | 2008-12-11 | 2009-10-07 | 河北省电力公司超高压输变电分公司 | Tower end bearing fixture for live-wire operation of tangent tower of high voltage transmission line |
| CN101710681A (en) * | 2009-12-30 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Special conductor lifting device for 220KV horizontal double bundle conductor |
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2013
- 2013-11-21 CN CN201310594415.1A patent/CN103594968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686418A (en) * | 1992-09-02 | 1994-03-25 | Sanwa Tekki Corp | Insulator lifting device |
| CN201303230Y (en) * | 2008-09-18 | 2009-09-02 | 湖北省电力公司超高压输变电公司 | Integral type wire lifting device of ultra-high voltage transmission line |
| CN101552433A (en) * | 2008-12-11 | 2009-10-07 | 河北省电力公司超高压输变电分公司 | Tower end bearing fixture for live-wire operation of tangent tower of high voltage transmission line |
| CN101710681A (en) * | 2009-12-30 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Special conductor lifting device for 220KV horizontal double bundle conductor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972818A (en) * | 2014-05-23 | 2014-08-06 | 国家电网公司 | Wire lifting device for replacing plus and minus 800 kilovolt electric transmission line composite insulator string in charged mode |
| CN108072950A (en) * | 2016-11-16 | 2018-05-25 | 刘伟华 | Optical fiber cable fitting replaces stent |
| CN107370078A (en) * | 2017-08-17 | 2017-11-21 | 国网上海市电力公司 | Super, UHV Overhead Transmission Line L-type suspension string livewire work side of wire fixture |
| CN107370078B (en) * | 2017-08-17 | 2019-09-06 | 国网上海市电力公司 | Super, UHV Overhead Transmission Line L-type suspension string livewire work side of wire fixture |
| CN108879479A (en) * | 2018-07-31 | 2018-11-23 | 国网河南省电力公司检修公司 | Extra high voltage direct current transmission line electrified replacing linear tower wire clamp device and method |
| CN111799696A (en) * | 2020-06-29 | 2020-10-20 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
| CN111799696B (en) * | 2020-06-29 | 2021-07-06 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
| CN113104754A (en) * | 2021-04-20 | 2021-07-13 | 广东电网有限责任公司 | Lifting device |
| CN114221256A (en) * | 2021-12-01 | 2022-03-22 | 浙江省送变电工程有限公司 | Method for replacing large yoke plate of extra-high voltage multi-bundle conductor |
| CN114221256B (en) * | 2021-12-01 | 2023-08-22 | 浙江省送变电工程有限公司 | Method for replacing large connecting plate of extra-high voltage multi-split conductor |
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| Publication number | Publication date |
|---|---|
| CN103594968B (en) | 2016-03-30 |
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