CN204118649U - A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire - Google Patents

A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire Download PDF

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Publication number
CN204118649U
CN204118649U CN201420642822.5U CN201420642822U CN204118649U CN 204118649 U CN204118649 U CN 204118649U CN 201420642822 U CN201420642822 U CN 201420642822U CN 204118649 U CN204118649 U CN 204118649U
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CN
China
Prior art keywords
wire
strain clamp
aluminium alloy
leg
clamp
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Active
Application number
CN201420642822.5U
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Chinese (zh)
Inventor
刘臻
于鑫
朱宽军
刘明慧
万建成
李君明
刘胜春
韩利鹏
张军
刘彬
司佳钧
牛海军
展雪萍
刘操兰
杨加伦
齐翼
李军辉
李新民
冯亮
李震
孙娜
孙宝东
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd
State Grid Liaoning Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420642822.5U priority Critical patent/CN204118649U/en
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Abstract

The utility model provides a kind of forging integral type strain clamp for aluminium alloy stranded conductor wire, this strain clamp is arranged on overhead transmission line terminal, for anchoring wire, and keep its electrically, mechanical performance, its improvements are: strain clamp comprises draw ring, connecting leg and conduction wire clamp, and connecting leg and draw ring are one-body molded vertically, and connecting leg one end inner and outer wall arranges fixture respectively and pulls out slightly, connecting leg outer wall arranges drainage plate, and drainage plate is connected with conduction wire clamp.With prior art ratio, the forging integral type strain clamp for aluminium alloy stranded conductor wire that the utility model provides, not only increase the intensity of strain clamp, and improve the bonding streng of strain clamp to wire, the seal of the cavity formed after simultaneously improve strain clamp and conductor compression jointing, adopt ripe compression joint technique, crimp quality is well ensured.

Description

A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire
Technical field
The utility model relates to a kind of wire storage rack, specifically relates to a kind of forging integral type strain clamp for aluminium alloy stranded conductor wire.
Background technology
Strain clamp is used for wire or lightning conducter to be fixed on the strain insulator string of non-rectilinear shaft tower, and play anchorage effect, being also used for fixing the bracing wire of bracing wire shaft tower, is the important gold utensil in transmission line.
Extra-high voltage project is to build " environmentally friendly " engineering for target, and optimize the design of engineering, strict guarantee electric field, magnetic field, audible noise and radio interference level meet standard-required comprehensively.If design adopts plain conductor, certainly will to strengthen the division radical of conductor cross-section and increase wire, the use amount of wire and bus, the physical dimension of steel tower and line corridor width etc. certainly will be increased like this, thus increase construction investment.If under the prerequisite meeting transmission line capability and line project requirement, design adopts a kind of new structure wire ensureing power transmission conductor current capacity, while ensureing wire ability to transmit electricity, alleviate wire weight, and make the external diameter of wire can meet transmission of electricity and the corona requirement of circuit with surface, thus greatly reduce the total weight of wire, decrease steel tower load and construction weight, significantly reduce track investment simultaneously.
All aluminium alloy twisted wire wire, as a kind of wire of new structure, needs a kind of strain clamp of special construction to coordinate with it, grips by strain clamp is stable effective, all aluminium alloy twisted wire wire is coupled together transmitting force and electric loading.
Utility model content
In order to solve the problem, the utility model provides a kind of forging integral type strain clamp for aluminium alloy stranded conductor wire, not only increase the intensity of strain clamp, and improve the bonding streng of strain clamp to wire, the seal of the cavity formed after simultaneously improve strain clamp and conductor compression jointing, adopt ripe compression joint technique, crimp quality is well ensured.
The purpose of this utility model adopts following technical proposals to realize:
A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire that the utility model provides, described strain clamp is arranged on overhead transmission line terminal, for anchoring wire, and keep its electrically, mechanical performance, its improvements are: described strain clamp comprises draw ring 1, connecting leg 2 and conduction wire clamp 7, described connecting leg 2 is one-body molded vertically with draw ring 1, described connecting leg 2 one end inner and outer wall arranges fixture 3 respectively and pulls out slightly 4, described connecting leg 2 outer wall arranges drainage plate 6, and described drainage plate 6 is connected with conduction wire clamp 7.
Wherein, described fixture 3 is ring-type or monotonous helical shape or staggered form double helix shape, and the axis direction along described connecting leg 2 is arranged.
Wherein, the cross section of described fixture 3 is arc or taper.
Wherein, the cross section of described fixture 3 is taper, and its drift angle is 15 ° ~ 45 °.
Wherein, described draw ring 1 and connecting leg 2 are aluminum alloy forged one-body molded.
Wherein, described drainage plate 6 one end is provided with annulus, described annulus welding or bonding or be crimped on the outer wall of described connecting leg 2; The plate face of the other end is arranged with the rectangular channel to its inner recess.
Wherein, described conduction wire clamp 7 one end is provided with the doubly-linked plate matched with groove, and described doubly-linked plate to be inserted respectively in described groove and is fixedly connected with drainage plate 6 by bolt 8; The other end of described conduction wire clamp 7 arranges hollow circular tube, arranges drainage thread 9 in described hollow circular tube.
Wherein, described drainage thread 9 and conduction wire clamp 7 are crimped by hydraulic pressure and are integrated.
Wherein, the wire be arranged in described connecting leg 2 is aluminium alloy stranded conductor wire 5, and described connecting leg 2, fixture 3 and aluminium alloy stranded conductor wire 5 are crimped by hydraulic pressure and be integrated.
Compared with prior art, the beneficial effect that the utility model reaches is:
1, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, adopt the processing technology of forging integral type, improve metal inside tissue, improve mechanical performance and the physical property of metal, ensure the continuity of metal fibrous tissue, the fibr tissue of forging and forging profile are consistent, and metal streamline is complete, can ensure that part has good mechanical property and long useful life, effectively ensure that the bulk strength of strain clamp.
2, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, only once need crimp strain clamp with wire, reduce crimping number of times, overcoming the problem that common resistance to bracing cable produces because repeatedly crimping.
3, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, by the fixture arranged at strain clamp mouth of pipe place, improves the bonding streng of strain clamp to wire; The seal of the cavity formed after simultaneously improve strain clamp and conductor compression jointing, avoids and makes strain clamp impaired because of the immersion of outside rainwater, ensure that the normal operation of transmission line.
4, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, adopt ripe compression joint technique, crimp quality is well ensured.
5, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, conduction wire clamp and drainage plate adopt doubly-linked plate to be connected, ensure that the anti-fatigue performance of strain clamp when drainage and electric property, improve the security reliability that transmission line runs.
6, the forging integral type strain clamp for aluminium alloy stranded conductor wire that provides of the utility model, structure is simple, and convenient operation, has wide market prospects.
Accompanying drawing explanation
Fig. 1: the structural representation of aluminium alloy stranded conductor wire;
Fig. 2: the structural representation before the strain clamp crimping lead wire that the utility model provides;
Fig. 3: the structural representation after the strain clamp crimping lead wire that the utility model provides;
Fig. 4: the side cross-sectional structural representation after the strain clamp crimping lead wire that the utility model provides;
Fig. 5: after the strain clamp crimping lead wire that the utility model provides and assemble drainage plate and conduction wire clamp face structural representation;
Fig. 6: the drainage plate that the utility model provides face structural representation;
Fig. 7: the side-looking structural representation of the drainage plate that the utility model provides;
Fig. 8: the conduction wire clamp that the utility model provides face structural representation;
Fig. 9: the side-looking structural representation of the conduction wire clamp that the utility model provides;
Wherein: 1, draw ring; 2, connecting leg; 3, fixture; 4, pull out slightly; 5, aluminium alloy stranded conductor wire; 6, drainage plate; 7, conduction wire clamp; 8, bolt; 9, drainage thread.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail embodiment of the present utility model below in conjunction with accompanying drawing.
The forging integral type strain clamp for aluminium alloy stranded conductor wire that the present embodiment provides is arranged on overhead transmission line terminal, for anchoring wire, and keep its electrically, mechanical performance, as shown in Fig. 1 to 5, comprise draw ring 1, connecting leg 2, fixture 3, pull out slightly 4, aluminium alloy stranded conductor wire 5, drainage plate 6, conduction wire clamp 7, bolt 8, drainage thread 9.Draw ring 1 and connecting leg 2 be aluminum alloy forged one-body molded, arrange fixture 3 respectively and pull out slightly 4 at the inner and outer wall at connecting leg 2 mouth of pipe place.
Fixture 3 is the ring-type or helical form that arrange along the axis direction of connecting leg 2, can be single-screw or staggered form double helix; The cross section of fixture 3 is arc or taper, and when the cross section of fixture 3 is taper, its drift angle is 15 ° ~ 45 °.
Wherein, as shown in Fig. 6 to 9, drainage plate 6 one end is provided with annulus, for being enclosed within the outer wall of connecting leg 2 and being fixedly connected with connecting leg 2 by welding or mode that is bonding or crimping; The plate face of the other end is arranged with the rectangular channel caved inward, and the parallel double connecting plate of conduction wire clamp 7 is fastenedly connected by bolt 8 and drainage plate 6 in insertion groove respectively.Conduction wire clamp 7 is also provided with the hollow circular tube for connecting drainage thread 9.
Concrete operation is as follows:
First, the annulus of drainage plate 6 is enclosed within connecting leg 2, and welding bonding or crimping be connected as a single entity;
Secondly, aluminium alloy stranded conductor wire 5 is inserted connecting leg 2 and is integrated by hydraulic pressure crimping, the fixture 3 at connecting leg 2 mouth of pipe place is closely engaged with aluminium alloy stranded conductor wire 5, not only increase the bonding streng to aluminium alloy stranded conductor wire 5, also improve the seal of the cavity formed between aluminium alloy stranded conductor wire 5 and connecting leg 2 simultaneously, avoid and make strain clamp impaired because of the immersion of outside rainwater;
Finally, the doubly-linked plate of conduction wire clamp 7 one end of doubly-linked plate structure to be inserted respectively in the groove of drainage plate 6 and fastening by bolt 8, in the hollow circular tube of conduction wire clamp 7 other end, crimp drainage thread 9.
Embodiment 1
Strain clamp aluminium alloy forging is one-body molded, and the inwall at connecting leg 2 mouth of pipe place is provided with along its axis direction the fixture 3 that monotonous helical shape cross section is taper, and the drift angle of conical cross-section is 30 °, pulls out slightly 4 in connecting leg 2 mouth of pipe arranged outside.The annulus of drainage plate 6 to be enclosed within connecting leg 2 and welding is connected as a single entity, aluminium alloy stranded conductor wire 5 to be inserted in connecting leg 2 and to be integrated by hydraulic pressure crimping, the drift angle of fixture 3 is closely engaged with aluminium alloy stranded conductor wire 5, make the cavity after strain clamp and conductor compression jointing fully airtight, finally the doubly-linked plate of the conduction wire clamp 7 after crimping drainage thread 9 is inserted in the groove of drainage plate 6 also fastening with bolt 8.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; those of ordinary skill in the field are to be understood that; can modify to embodiment of the present utility model with reference to above-described embodiment or equivalent to replace, these do not depart from any amendment of the utility model spirit and scope or equivalently to replace within the claims that all awaits the reply in application.

Claims (9)

1. the forging integral type strain clamp for aluminium alloy stranded conductor wire, described strain clamp is arranged on overhead transmission line terminal, for anchoring wire, and keep it electric, mechanical performance, it is characterized in that: described strain clamp comprises draw ring (1), connecting leg (2) and conduction wire clamp (7), described connecting leg (2) is one-body molded vertically with draw ring (1), described connecting leg (2) one end inner and outer wall arranges fixture (3) respectively and pulls out slightly (4), described connecting leg (2) outer wall arranges drainage plate (6), described drainage plate (6) is connected with conduction wire clamp (7).
2. as claimed in claim 1 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, described fixture (3) is ring-type or monotonous helical shape or staggered form double helix shape, and the axis direction along described connecting leg (2) is arranged.
3., as claimed in claim 2 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, the cross section of described fixture (3) is arc or taper.
4., as claimed in claim 3 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, the cross section of described fixture (3) is taper, and its drift angle is 15 ° ~ 45 °.
5., as claimed in claim 2 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, described draw ring (1) and connecting leg (2) are for aluminum alloy forged one-body molded.
6. as claimed in claim 5 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, described drainage plate (6) one end is provided with annulus, described annulus welding or bonding or be crimped on the outer wall of described connecting leg (2); The plate face of the other end is arranged with the rectangular channel to its inner recess.
7. as claimed in claim 6 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, described conduction wire clamp (7) one end is provided with the doubly-linked plate matched with groove, and described doubly-linked plate to be inserted respectively in described groove and is fixedly connected with drainage plate (6) by bolt (8); The other end of described conduction wire clamp (7) arranges hollow circular tube, arranges drainage thread (9) in described hollow circular tube.
8., as claimed in claim 7 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, described drainage thread (9) and conduction wire clamp (7) are crimped by hydraulic pressure and are integrated.
9. as claimed in claim 8 for the forging integral type strain clamp of aluminium alloy stranded conductor wire, it is characterized in that, the wire be arranged in described connecting leg (2) is aluminium alloy stranded conductor wire (5), and described connecting leg (2), fixture (3) and aluminium alloy stranded conductor wire (5) are crimped by hydraulic pressure and be integrated.
CN201420642822.5U 2014-10-31 2014-10-31 A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire Active CN204118649U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420642822.5U CN204118649U (en) 2014-10-31 2014-10-31 A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420642822.5U CN204118649U (en) 2014-10-31 2014-10-31 A kind of forging integral type strain clamp for aluminium alloy stranded conductor wire

Publications (1)

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CN204118649U true CN204118649U (en) 2015-01-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332921A (en) * 2014-10-31 2015-02-04 国家电网公司 Forged integrated strain clamp applied to aluminum alloy stranded conductor
CN110867806A (en) * 2019-12-05 2020-03-06 国网辽宁省电力有限公司沈阳供电公司 Novel strain clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332921A (en) * 2014-10-31 2015-02-04 国家电网公司 Forged integrated strain clamp applied to aluminum alloy stranded conductor
CN110867806A (en) * 2019-12-05 2020-03-06 国网辽宁省电力有限公司沈阳供电公司 Novel strain clamp

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