CN204992480U - Twist formula wedge strain clamp in advance - Google Patents

Twist formula wedge strain clamp in advance Download PDF

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Publication number
CN204992480U
CN204992480U CN201520661674.6U CN201520661674U CN204992480U CN 204992480 U CN204992480 U CN 204992480U CN 201520661674 U CN201520661674 U CN 201520661674U CN 204992480 U CN204992480 U CN 204992480U
Authority
CN
China
Prior art keywords
armor rods
strain insulator
wedge
preformed armor
strain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520661674.6U
Other languages
Chinese (zh)
Inventor
郑晓明
左向阳
郑巨谦
陈飞
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.)
Gulifa Electric Co ltd
Gulifa Group Co Ltd
Original Assignee
Gulifa Electrical Co Ltd
Gulifa Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gulifa Electrical Co Ltd, Gulifa Group Co Ltd filed Critical Gulifa Electrical Co Ltd
Priority to CN201520661674.6U priority Critical patent/CN204992480U/en
Application granted granted Critical
Publication of CN204992480U publication Critical patent/CN204992480U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a twist formula wedge strain clamp in advance, including strain insulator preformed armor rods, the wedge clamp splice, the metal body, body voussoir and connection arm -tie, strain insulator preformed armor rods divides into groups to draw up the back bonding by the wire and constitutes, strain insulator preformed armor rods one end is equipped with strain insulator preformed armor rods perk end, the strain insulator preformed armor rods other end adopts the circular arc transition to handle, strain insulator preformed armor rods perk end is connected with the wedge clamp splice, wedge clamp splice through -hole internal fixation has the wire, the wedge clamp splice includes two wedge clamp splice bodies that the structure is the same, wedge clamp splice body hole limit is equipped with the anticreep and falls the structure, the great one end of wedge clamp splice body diameter is equipped with a plurality of spacing bosss, the wedge clamp splice is fixed in on the metal body cover shell, metal body cover shell both ends are fixed with the connection pull rod respectively. Compared with the prior art, the utility model discloses wire rigidity is strong and fatigue resistance can be good, installs the high quality simultaneously.

Description

Preformed wedge strain resistance cable clamp
Technical field
The utility model relates to a kind of strain clamp, is specifically related to a kind of preformed wedge strain resistance cable clamp.
Background technology
At present, by global warming, under the environment that municipal pollution is more and more serious, along with the construction of power circuit, the continuous increase of power transmission capacity load, the security of operation of power transmission sequence is also more and more severeer, particularly 35KV and following distribution line, therefore heavy in section, hightension, the application of the insulated conductor of high strength is imperative, strain clamp is as the crucial gold utensil of carrying circuit mechanical performance, conventional wedge strain resistance cable clamp, bolt-type strain clamp is because of execution conditions and the more high situation of installation requirement, construction quality cannot well be ensured, and its structure of the strain clamp of preformed structure is simple, easy for installation, do not need specific purpose tool, it is more and more extensive that quality is easy to the application of the characteristics such as guarantee on overhead transmission line.The now current pre-hinged strain clamp many employings U-shaped molding structure used on aerial condutor, separately configuration is needed to connect gold utensil and closure after wire clamp installation can not adjust to need to increase or change and connects gold utensil and just can complete installation, but a whole set of strain insulator-string of line conductor creep by force is turned round because being subject to causing conductor untwisting when tension force cannot reverse or crossing, often occur after impaired conductor overheating that grip force declines or deficiency, serious potential safety hazard is there is when occurring that temperature rise is larger, thus affect circuit security of operation and designed life, therefore ensure that strain clamp is to convenient while the enough grip forces of wire and the construction method of reliable in quality with ensure that circuit security of operation is problem anxious to be resolved.
Utility model content
The purpose of this utility model is to provide a kind of conductor rigidity strong and anti-fatigue performance is good, the preformed wedge strain resistance cable clamp that installation quality is high simultaneously.
For achieving the above object, the utility model provides following technical scheme:
A kind of preformed wedge strain resistance cable clamp, comprise strain insulator preformed armor rods, wedge shape fixture block, metal body, body voussoir and connection arm-tie, strain insulator preformed armor rods is bonding after being prefabricated into spiral helicine wire grouping establishment by some to be formed, and strain insulator preformed armor rods rotation direction is dextrorotation, strain insulator preformed armor rods one end be provided with by shaping make and for helicoidal structure strain insulator preformed armor rods tilt end, the strain insulator preformed armor rods other end adopts arc transition process, strain insulator preformed armor rods tilts end and is connected with the wedge shape fixture block that middle part is provided with through hole, wedge shape fixture block through hole internal fixtion has wire, wedge shape fixture block comprises the identical wedge grip block body of two structures, wedge grip block body endoporus limit is provided with falling preventing structure, the larger one end of wedge grip block body diameter is circumferentially equidistantly provided with some positive stop lug boss, wedge shape fixture block is fixed on metal body sheath body by body voussoir, body voussoir and metal body sheath body form entirety by insertion slot type structure, metal body sheath body two ends are fixed with cylinder lever connecting rod respectively.
As the further improvement of above-mentioned technology, described strain insulator preformed armor rods inner surface is stained with the diamond dust of one deck.
As the further improvement of above-mentioned technology, described strain insulator preformed armor rods tilts end and tilts partly consistent with the angle formed between horizontal plane and wedge shape fixture block angle.
As the further improvement of above-mentioned technology, form groove between described some positive stop lug boss, described strain insulator preformed armor rods is installed in groove along wedge grip Block direction.
Compared with prior art, the beneficial effects of the utility model are: preformed strain insulator preformed armor rods is wound around and is arranged on wire, be evenly distributed on whole installation length to the grip force of wire, unstressed concentrated, effectively enhance the rigidity of wire, improve the anti-fatigue performance of wire, metal body sheath body and body voussoir and strain insulator preformed armor rods are tilted on wedge shape fixture block that end is arranged on band auto-lock function and makes it to form overall design, both ensure that wire clamp to the grip force of wire and free-hand rear of can installing to can universally adjust, the cambered surface transition processing of strain insulator preformed armor rods end, avoid the damage to wire in installation process, thus guarantee line security, rational in infrastructure, install without the need to specific purpose tool, installation quality is easy to ensure, ensure that wire clamp has repeatedly using in the undeformed situation of wire clamp to the mechanical performance of wire simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of strain insulator preformed armor rods.
Fig. 2 is the assembling schematic diagram of metal body sheath body and cylinder lever connecting rod.
Fig. 3 is the structural representation of preformed wedge strain resistance cable clamp.
Fig. 4 is the structural representation of wedge shape fixture block.
In figure: 1-strain insulator preformed armor rods, 11-strain insulator preformed armor rods tilt end, 2-metal body sheath body, 3-cylinder lever connecting rod, 4-wire, 5-wedge shape fixture block, 51-positive stop lug boss, 52-dovetail groove, 53-wedge shape fixture block through hole.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
A kind of preformed wedge strain resistance cable clamp, comprise the strain insulator preformed armor rods 1 that inner surface is stained with diamond dust, wedge shape fixture block 5, metal body sheath body 2, body voussoir and connection arm-tie 3, strain insulator preformed armor rods 1 is bonding after being prefabricated into spiral helicine wire grouping establishment by some to be formed, and strain insulator preformed armor rods 1 rotation direction is dextrorotation, strain insulator preformed armor rods 1 one end be provided with by shaping make and for helicoidal structure strain insulator preformed armor rods tilt end 11, strain insulator preformed armor rods 1 other end adopts arc transition process, strain insulator preformed armor rods tilts end 11 and is connected with and is made up of aluminium alloy and middle part is provided with the wedge shape fixture block 5 of through hole, wedge shape fixture block through hole 53 internal fixtion has wire 4, wedge shape fixture block 5 comprises identical wedge shape fixture block 5 body of two structures, wedge shape fixture block 5 body endoporus limit is provided with falling preventing structure, the utility model falling preventing structure adopts dovetail groove 52, the larger one end of wedge shape fixture block 5 body diameter is circumferentially equidistantly provided with some positive stop lug boss 51, wedge shape fixture block 5 is fixed on metal body sheath body 2 by body voussoir, body voussoir and metal body sheath body 2 form entirety by insertion slot type structure, metal body sheath body 2 two ends are fixed with cylinder lever connecting rod 3 respectively.
When utility model works, wire 4 is inserted in wedge shape fixture block through hole 53, after wire 4 and wedge shape fixture block 5 form entirety, strain insulator preformed armor rods tilts end 11 and is installed in the groove formed between the positive stop lug boss 51 of wedge shape fixture block 5, it is consistent with wedge shape fixture block 5 angle that strain insulator preformed armor rods tilts end 11, and the other end and wire 4 contact portion are through cambered surface transition processing, the effective length of strain insulator preformed armor rods 1 is wrapped on wire 4 along strain insulator preformed armor rods 1 hand of spiral by group, then strain insulator preformed armor rods 1 both legs form helical tubular structure and are naturally wrapped in and wire 4 forms grip force are fixed, the less one end fits of wedge shape fixture block 5 diameter there is metal body sheath body 2, wedge shape fixture block 5 and metal body sheath body 2 are fixed by body voussoir, metal body sheath body 2 two ends are fixed with cylinder lever connecting rod 3 respectively, cylinder lever connecting rod 3 is connected and fixed by bolt and other assorted golden tool, the preformed wedge strain resistance cable clamp of installation can adjust installation direction arbitrarily, and grip is delivered in whole strain insulator preformed armor rods 1 length effectively.Strain insulator preformed armor rods 1 grip force be arranged on wire of preformed wedge strain resistance cable clamp is evenly distributed on whole installation length, unstressedly concentrates, and effectively avoids wire to concentrate the fatigue rupture caused due to stress; Metal body sheath body 2 novel structure, installation direction can regulate arbitrarily and rotates and ensure that tension force is delivered on a whole set of wire clamp; The design of a whole set of preformed wedge strain resistance cable clamp both ensure that the grip of wire clamp to wire 4, had again and regulated installation direction and rotate flexibly, and can repeatedly use; The structure installment process of preformed wedge strain resistance cable clamp is without the need to specific purpose tool, simple and efficient to handle, and installation quality is easy to ensure, consistency is strong.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.

Claims (4)

1. a preformed wedge strain resistance cable clamp, comprise strain insulator preformed armor rods, wedge shape fixture block, metal body, body voussoir and connection arm-tie, it is characterized in that, strain insulator preformed armor rods is bonding after being prefabricated into spiral helicine wire grouping establishment by some to be formed, and strain insulator preformed armor rods rotation direction is dextrorotation, strain insulator preformed armor rods one end be provided with by shaping make and for helicoidal structure strain insulator preformed armor rods tilt end, the strain insulator preformed armor rods other end adopts arc transition process, strain insulator preformed armor rods tilts end and is connected with the wedge shape fixture block that middle part is provided with through hole, wedge shape fixture block through hole internal fixtion has wire, wedge shape fixture block comprises the identical wedge grip block body of two structures, wedge grip block body endoporus limit is provided with falling preventing structure, the larger one end of wedge grip block body diameter is circumferentially equidistantly provided with some positive stop lug boss, wedge shape fixture block is fixed on metal body sheath body by body voussoir, body voussoir and metal body sheath body form entirety by insertion slot type structure, metal body sheath body two ends are fixed with cylinder lever connecting rod respectively.
2. preformed wedge strain resistance cable clamp according to claim 1, is characterized in that, described strain insulator preformed armor rods inner surface is stained with the diamond dust of one deck.
3. preformed wedge strain resistance cable clamp according to claim 1, is characterized in that, described strain insulator preformed armor rods tilts end and tilts partly consistent with the angle formed between horizontal plane and wedge shape fixture block angle.
4. preformed wedge strain resistance cable clamp according to claim 1, is characterized in that, forms groove between described some positive stop lug boss, and described strain insulator preformed armor rods is installed in groove along wedge grip Block direction.
CN201520661674.6U 2015-08-25 2015-08-25 Twist formula wedge strain clamp in advance Expired - Fee Related CN204992480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520661674.6U CN204992480U (en) 2015-08-25 2015-08-25 Twist formula wedge strain clamp in advance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520661674.6U CN204992480U (en) 2015-08-25 2015-08-25 Twist formula wedge strain clamp in advance

Publications (1)

Publication Number Publication Date
CN204992480U true CN204992480U (en) 2016-01-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520661674.6U Expired - Fee Related CN204992480U (en) 2015-08-25 2015-08-25 Twist formula wedge strain clamp in advance

Country Status (1)

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CN (1) CN204992480U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111673010A (en) * 2020-07-06 2020-09-18 江苏双汇电力发展股份有限公司 Preformed armor rod hemispherical end forming tool bit and forming device using tool bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111673010A (en) * 2020-07-06 2020-09-18 江苏双汇电力发展股份有限公司 Preformed armor rod hemispherical end forming tool bit and forming device using tool bit
CN111673010B (en) * 2020-07-06 2024-05-17 江苏双汇电力发展股份有限公司 Preformed armor rod hemispherical end forming tool bit and forming device using tool bit

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 230000 Intersection of Jingang Avenue and Ruifeng Avenue in Beicheng District, Hefei City, Anhui Province

Co-patentee after: GULIFA GROUP Co.,Ltd.

Patentee after: GULIFA ELECTRIC Co.,Ltd.

Address before: 231137 Anhui city of Hefei Province in the north of Jingangku Avenue and refine Avenue Interchange

Co-patentee before: GULIFA GROUP Co.,Ltd.

Patentee before: GULIFA ELECTRIC CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120