CN103606847A - Special clamp for multiple divided conductor lifting device - Google Patents
Special clamp for multiple divided conductor lifting device Download PDFInfo
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- CN103606847A CN103606847A CN201310595899.1A CN201310595899A CN103606847A CN 103606847 A CN103606847 A CN 103606847A CN 201310595899 A CN201310595899 A CN 201310595899A CN 103606847 A CN103606847 A CN 103606847A
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- multiple fission
- lifting device
- fission conductor
- fixed head
- hoisting mechanism
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Abstract
The invention discloses a special clamp for a multiple divided conductor lifting device, and relates to a method or equipment used for mounting, maintaining, repairing or detaching cables or electric wires. The special clamp is used for the multiple divided conductor lifting device of a transmission tower. The special clamp is composed of two fixing plates and one connecting plate, wherein the lower ends of the two fixing plates are parallel to each other, and the upper ends of the two fixing plates are bent outwards and symmetrically welded to the two sides of the connecting plate to form a Y-shaped structure with the upper ends as double wings and the lower ends as double tails; the double wings at the upper ends of the fixing plates are respectively provided with a connecting through hole, and the fixing plates are connected to a lifting mechanism through the connecting through holes respectively; the upper portion of a wire clamp connecting plate is clamped between the double tails at the lower ends of the two fixing plates; hinged-connection shaft holes cutting through the fixing plates and the wire clamp connecting plate are formed in the double tail parts of the fixing plates and the upper portion of the wire clamp connecting plate; 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 special clamp for the multiple divided conductor lifting device is simple in structural form, convenient to use and capable of meeting maintenance power cut work requirements of extra high voltage transmission lines.
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 special mould clamp of the multiple fission conductor lifting device of safeguarding 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 special mould clamp of 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 special mould clamp for multiple fission conductor lifting device, for the lifting operation of transmission tower multiple fission conductor, described multiple fission conductor, by supporting the wire clamp yoke plate of multiple fission conductor, is fixed on the tension string of transmission tower; The first hoisting mechanism and second hoisting mechanism of the lifting force for providing is provided described multiple fission conductor lifting device, it is characterized in that:
Described special mould clamp is comprised of two fixed heads and a gusset piece; The lower end of two fixed heads is parallel to each other, and upper end outward is symmetrically welded at the both sides of gusset piece, and formation upper end is the Y-shaped structure that double-vane, lower end are two tails;
On the double-vane of two fixed head upper ends, be respectively provided with a connecting through hole, 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 top of the wire clamp yoke plate of described support multiple fission conductor, is clipped between two tails of two fixed head lower ends; Two afterbodys of fixed head and the top of wire clamp yoke plate, be provided with the hinged axis hole that connects fixed head 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.
A kind of preferably technical scheme of the special mould clamp of 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, be welded on the two sides of gusset piece, make to form the angle of 10～30 ° between the double-vane of two fixed head upper ends, 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.
A kind of better technical scheme of the special mould clamp of multiple fission conductor lifting device of the present invention, is characterized in that, in the outside of connecting through hole and the hinged axis hole at two upper and lower two ends of fixed head, being 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 lifting device of the present invention, version is succinct, easy to use, 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, 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;
Fig. 2 is the front view of the special mould clamp of transmission tower multiple fission conductor lifting device of the present invention;
Fig. 3 is the left view of the special mould clamp of transmission tower multiple fission conductor lifting device of the present invention;
Fig. 4 is that the special mould clamp of 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.
The special mould clamp of multiple fission conductor lifting device of the present invention as shown in Figures 2 and 3, for the transmission tower multiple fission conductor lifting device shown in Fig. 1 and Fig. 4, in the embodiment shown in fig. 4, multiple fission conductor is six-multiple conductor, by 6 intraphase conductors that are clamped in respectively on 6 cover suspension clamps 3, formed, suspension clamp 3 is supporting on the wire clamp yoke plate 4 of multiple fission conductor by symmetrical hexagonal arrangement, 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.
As shown in Figures 2 and 3, special mould clamp 10 is comprised of two fixed heads 11 and a gusset piece 12, and the lower end of two fixed heads 11 is parallel to each other, upper end outward, be symmetrically welded at the both sides of gusset piece 12, formation upper end is the Y-shaped structure that double-vane, lower end are two tails;
On the double-vane of two fixed head 11 upper ends, be respectively provided with 16, two fixed heads 11 of a connecting through hole respectively by connecting through hole 16, be connected to the lower end of the first hoisting mechanism 5 and the second hoisting mechanism 6;
The top of supporting the wire clamp yoke plate 4 of multiple fission conductor, is clipped between two tails of two fixed head 11 lower ends; Two afterbodys of fixed head 11 and the top of wire clamp yoke plate 4, be provided with the hinged axis hole 15 that connects fixed head 11 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.
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 special mould clamp for multiple fission conductor lifting device, for the lifting operation of transmission tower multiple fission conductor, described multiple fission conductor, by supporting the wire clamp yoke plate of multiple fission conductor, is fixed on the tension string of transmission tower; The first hoisting mechanism and second hoisting mechanism of the lifting force for providing is provided described multiple fission conductor lifting device, it is characterized in that:
Described special mould clamp is comprised of two fixed heads and a gusset piece; The lower end of two fixed heads is parallel to each other, and upper end outward is symmetrically welded at the both sides of gusset piece, and formation upper end is the Y-shaped structure that double-vane, lower end are two tails; On the double-vane of two fixed head upper ends, be respectively provided with a connecting through hole, 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 top of the wire clamp yoke plate of described support multiple fission conductor, is clipped between two tails of two fixed head lower ends; Two afterbodys of fixed head and the top of wire clamp yoke plate, be provided with the hinged axis hole that connects fixed head 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.
2. the special mould clamp of multiple fission conductor lifting device according to claim 1, 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, be welded on the two sides of gusset piece, make to form the angle of 10～30 ° between the double-vane of two fixed head upper ends, 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.
3. the special mould clamp of multiple fission conductor lifting device according to claim 1 and 2, is characterized in that, in the outside of connecting through hole and the hinged axis hole at two upper and lower two ends of fixed head, being welded and fixed respectively a fixing collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595899.1A CN103606847B (en) | 2013-11-21 | 2013-11-21 | A kind of special mould clamp of multiple fission conductor lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595899.1A CN103606847B (en) | 2013-11-21 | 2013-11-21 | A kind of special mould clamp of multiple fission conductor lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103606847A true CN103606847A (en) | 2014-02-26 |
| CN103606847B CN103606847B (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310595899.1A Active CN103606847B (en) | 2013-11-21 | 2013-11-21 | A kind of special mould clamp of multiple fission conductor lifting device |
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Citations (5)
| 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 |
-
2013
- 2013-11-21 CN CN201310595899.1A patent/CN103606847B/en active Active
Patent Citations (5)
| 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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| Publication number | Publication date |
|---|---|
| CN103606847B (en) | 2015-12-30 |
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