CN105958408A - Novel wedge type insulating strain clamp capable of preventing wire from falling off - Google Patents

Novel wedge type insulating strain clamp capable of preventing wire from falling off Download PDF

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Publication number
CN105958408A
CN105958408A CN201610431457.7A CN201610431457A CN105958408A CN 105958408 A CN105958408 A CN 105958408A CN 201610431457 A CN201610431457 A CN 201610431457A CN 105958408 A CN105958408 A CN 105958408A
Authority
CN
China
Prior art keywords
groove
clamp
fastening block
wire casing
tightening
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.)
Pending
Application number
CN201610431457.7A
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Chinese (zh)
Inventor
王邦磊
刘峰
李政华
王宏光
姚俊杰
葛安娜
王剑波
陈洪莲
王兴
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.)
State Grid Corp of China SGCC
Original Assignee
State Grid Corp of China SGCC
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 State Grid Corp of China SGCC filed Critical State Grid Corp of China SGCC
Priority to CN201610431457.7A priority Critical patent/CN105958408A/en
Publication of CN105958408A publication Critical patent/CN105958408A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/02Devices for adjusting or maintaining mechanical tension, e.g. take-up device

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  • Clamps And Clips (AREA)

Abstract

The invention discloses a novel wedge type insulating strain clamp capable of preventing a wire from falling off. The novel wedge type insulating strain clamp comprises a clamp body, wherein the tail end of the clamp body is connected with a tightening clamp; the tightening clamp comprises a tightening body; a through slot is formed in one side of the tightening body in a concave manner; the two side walls of the through slot are concave outwardly to form arc-like wire slots; a first tightening block and a second tightening block are arranged in the through slot side by side; an arc-like first tightening slot corresponding to the corresponding wire slot is formed in the outer end of the first tightening block; an arc-like second tightening slot corresponding to the other wire slot is formed in the outer end of the second tightening block; an opening circular slot is formed in the inner end of the first tightening block; a rotary column which extends into the opening circular slot is arranged at the inner end of the second tightening block; and a compressing apparatus is arranged among the first tightening block, the second tightening block and the tightening body. By adoption of the novel wedge type insulating strain clamp provided by the invention, an overhead line can be mounted simply; meanwhile, the insulating strain clamp is high in efficiency, reliable in use, and not damaged easily; and in addition, the overhead insulating wire does not fall off the wedge core of the strain clamp easily.

Description

A kind of disconnecting preventing line Wedged insulating tension clamp
Technical field
The present invention relates to a kind of power supply utensil, particularly relate to a kind of disconnecting preventing line Wedged insulating tension clamp.
Background technology
Strain clamp is requisite suspension in power grid construction, supports gold utensil, and it is by the terminal of overhead transmission line Or the two ends of strain section are together with insulator chain, fixed by suspended insulated guide wire and strain.Strain clamp kind Class is various, and in current rural power grids engineering, Wedged insulating tension clamp application is in the majority, and this kind of wiring clip shell uses antioxygen Change, high-strength aluminum alloy casting, without magnetic hystersis loss, wedge core employing high-strength engineering plastic, good insulation preformance, It is critical that suspended insulated guide wire is not required to divest insulating barrier in work progress, simple installation is reliable, significantly Improve efficiency of construction.But in recent years due to Wedged insulating tension clamp, suspended insulated guide wire insulating barrier material The material reason such as reason or Rig up error, occurs that suspended insulated guide wire is taken out line from the wedge core of strain clamp and come off often Phenomenon, to the safe and reliable power supply of electrical network, particularly personal safety is constituted great threat, becomes agriculture The big potential safety hazard of in net engineering one.And solve at present Wedged insulating tension clamp take out the way that line comes off be by Return bundle to main line through the buttock line after wedge core, by the way of the materials such as adhesive tape are tied up at strain clamp shape Becoming a closed loop, mutually restriction circuit is loosening, but buttock line returns bundle needs about 15cm, ties up the time Long and bother, overhead transmission line installation effectiveness is low, especially ties up with material easy aged deterioration under in the open, Do not reach the effect of restriction circuit so that suspended insulated guide wire is taken out line from the wedge core of strain clamp and come off.
Summary of the invention
The technical problem to be solved is: provides a kind of overhead transmission line and installs simple, efficiency height, Use reliable, be hardly damaged, suspended insulated guide wire is difficult to take out from the wedge core of strain clamp that line comes off is novel Anti-off-line Wedged insulating tension clamp.
For solving above-mentioned technical problem, the technical scheme is that a kind of disconnecting preventing line Wedged insulating is resistance to Bracing cable is pressed from both sides, and including clamp, the tail end of described clamp connects has anchorage clip, described anchorage clip to include fastener, Described fastener side depression is provided with groove, the most outwards caves in and be provided with the wire casing of arcuation in described groove two side, Being provided with the first fastening block and the second fastening block in described groove side by side, described first fastening block outer end is provided with and one First binding groove of the arcuation that described wire casing is corresponding, described second fastening block outer end is provided with and wire casing another described Second binding groove of corresponding arcuation, described first fastening block the inner is provided with opening circular groove, described second fastening Block the inner is provided with the rotary column stretched in described opening circular groove, and described first fastening block and the second fastening block are with described Hold down gag it is provided with between fastener.
As preferred technical scheme, described hold down gag includes that described first fastening block the inner is provided through institute Stating the first adjustment tank of opening circular groove cell wall, described second fastening block the inner is provided through the second of described rotary column Adjustment tank, described fastener is provided through the fastening post of described first adjustment tank and the second adjustment tank, described By thread bush equipped with clamp nut on fastening post.
As preferred technical scheme, described first adjustment tank and the bar groove that the second adjustment tank is outer end opening.
As preferred technical scheme, the tail end side of described clamp is provided with connection seat, described fastener sets Having connecting plate, described connecting plate connects described connection seat by connecting bolt.
As preferred technical scheme, described wire casing is symmetricly set on the both sides of described connecting plate centrage, and The centrage of wire casing described in overlaps with the centrage of described clamp.
As preferred technical scheme, described in two, wire casing, the first binding groove and the second binding groove are arc-shaped, And described first binding groove and the center of circle of the second binding groove are located along the same line with the center of circle of wire casing described in two Time, between the distance between described first binding groove and the second binding groove center of circle is more than the wire casing center of circle described in two Distance.
As preferred technical scheme, the cross section of described fastener is C-shaped.
Owing to have employed a kind of disconnecting preventing line Wedged insulating tension clamp of technique scheme, including clamp, The tail end of described clamp connects has anchorage clip, described anchorage clip to include fastener, caves in described fastener side Being provided with groove, the most outwards caving in and be provided with the wire casing of arcuation in described groove two side, sets side by side in described groove The first fastening block and the second fastening block, described first fastening block outer end is had to be provided with the arc corresponding with wire casing described in First binding groove of shape, described second fastening block outer end is provided with the second of the arcuation corresponding with wire casing another described Binding groove, described first fastening block the inner is provided with opening circular groove, and described second fastening block the inner is provided with stretches into institute State the rotary column in opening circular groove, between described first fastening block and the second fastening block and described fastener, be provided with pressure Tight device.During use, the inner of the first fastening block and the second fastening block is lifted, and suspended insulated guide wire is through resistance to Initially pass through a wire casing of anchorage clip before bracing cable folder wedge core, after installation is in place at strain clamp wedge core, buttock line is returned Head is through another wire casing of anchorage clip, in then passing through to press the first fastening block and the second fastening block under hold down gag Holding, the inner of the first fastening block and the second fastening block is moved bottom groove, the first fastening block and the second fastening Sliding to two wire casings respectively in the outer end of block, is tightly pushed down by suspended insulated guide wire in wire casing, led by overhead insulating Line is fastened in two wire casings, and the workload tied up is greatly reduced, and installs simply, raises labour efficiency, Being hardly damaged, also make the more fastening that circuit is installed simultaneously, suspended insulated guide wire is difficult to the wedge from strain clamp Core is taken out line come off.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention. Wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the side view of the present invention;
Fig. 3 is the structural representation of the anchorage clip of the present invention;
Fig. 4 is the cross-sectional schematic of the anchorage clip of the present invention.
Fig. 5 is the use schematic diagram of the present invention.
In figure: 1-clamp;11-link;12-connects seat;2-fastener;21-wire casing;22-connecting plate; 3-the first fastening block;31-the first binding groove;32-opening circular groove;33-the first adjustment tank;4-second fastens Block;41-the second binding groove;42-rotary column;43-the second adjustment tank;5-suspended insulated guide wire.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, the most logical The mode crossing explanation describes some one exemplary embodiment of the present invention.Undoubtedly, the common skill of this area Art personnel will be consequently realised that, in the case of without departing from the spirit and scope of the present invention, can use various difference Mode described embodiment is modified.Therefore, accompanying drawing and description are the most illustrative, Rather than be used for limiting scope of the claims.
As depicted in figs. 1 and 2, a kind of disconnecting preventing line Wedged insulating tension clamp, including clamp 1, institute The head end connection stating clamp 1 has the link 11 for connecting insulated terminal, and the tail end of described clamp 1 connects Having anchorage clip, described anchorage clip to include fastener 2, described fastener 2 side depression is provided with groove, described The most outwards caving in and be provided with the wire casing 21 of arcuation in groove two side, is provided with the first fastening block in described groove side by side 3 and second fastening block 4, described first fastening block 3 outer end is provided with the arcuation corresponding with wire casing described in one 21 First binding groove 31, described second fastening block 4 outer end is provided with the arcuation corresponding with wire casing another described 21 Second binding groove 41, described first fastening block 3 the inner is provided with opening circular groove 32, described second fastening block 4 The inner is provided with the rotary column 42 stretched in described opening circular groove 32, described first fastening block 3 and the second fastening block It is provided with hold down gag between 4 and described fastener 2.During as it is shown in figure 5, use, the first fastening block 3 He The inner of second fastening block 4 is lifted, and suspended insulated guide wire 5 initially passes through anchorage clip before strain clamp wedge core A wire casing 21, install at strain clamp wedge core in place after, by buttock line later through another wire casing of anchorage clip 21, then by pressing the first fastening block 3 and the second fastening block 4 inner under hold down gag, the first fastening block 3 Move bottom groove with the inner of the second fastening block 4, the first fastening block 3 and outer end of the second fastening block 4 Slide to two wire casings 21 respectively, suspended insulated guide wire 5 in wire casing 21 is tightly pushed down, overhead insulating is led Line 5 is fastened in two wire casings 21, and the workload tied up is greatly reduced, and installs simple, raising work Efficiency, is hardly damaged, and also makes the more fastening that circuit is installed simultaneously, and suspended insulated guide wire 5 is difficult to from strain insulator Line taken out by the wedge core of wire clamp come off.The tail end side of described clamp 1 is provided with connection seat 12, described fastener 2 Being provided with connecting plate 22, described connecting plate 22 connects described connection seat 12 by connecting bolt, connects and adjust Perfect square is just.Wire casing 21 described in two can be used to be symmetricly set on the both sides of described connecting plate 22 centrage, and The centrage of wire casing 21 described in one overlaps with the centrage of described clamp 1, and such suspended insulated guide wire 5 is tight It is positioned at wire casing 21 part during Guan County's dress and is positioned at strain clamp wedge in-core part and will be positioned at same straight line On, protect suspended insulated guide wire 5.And can be tight by adjusting fastener the 2, first fastening block 3 and second Gu block 4 size dimension so that buttock line returns to be pricked at about 15cm, meets installation requirement.
As shown in Figure 3 and Figure 4, described hold down gag includes that described first fastening block 3 the inner is provided through institute Stating the first adjustment tank 33 of opening circular groove 32 cell wall, described second fastening block 4 the inner is provided through described turning Second adjustment tank 43 of post 42, described fastener 2 is provided through described first adjustment tank 33 and second and adjusts The fastening post of whole groove 43, by thread bush equipped with clamp nut on described fastening post.Simple in construction, installs Conveniently, raise labour efficiency, be hardly damaged, make the more fastening that circuit is installed.Described first adjustment tank 33 With the bar groove that the second adjustment tank 43 is outer end opening.It is easy to the first fastening block 3 and the second fastening block 4 is mutual With coordinating of fastening post during rotation, the first fastening block 3 and the second fastening block 4 will not produce obstruction with fastening post, Make the first fastening block 3 and the second fastening block 4 easy to adjust.
As shown in Figure 3 and Figure 4, wire casing the 21, first binding groove 31 and the second binding groove 41 described in two are in circle Arcuation, and the center of circle of wire casing 21 described in the center of circle and two of described first binding groove 31 and the second binding groove 41 When being located along the same line, the distance between described first binding groove 31 and second binding groove 41 center of circle is more than Distance between wire casing 21 center of circle described in two.It is firm that said structure makes suspended insulated guide wire 5 install fastening. The cross section of described fastener 2 is C-shaped, simple and reasonable, it is simple to use.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This The claimed scope of invention is defined by appending claims and equivalent thereof.

Claims (7)

1. a disconnecting preventing line Wedged insulating tension clamp, including clamp, it is characterised in that: described clamp Tail end connect and have anchorage clip, described anchorage clip to include fastener, described fastener side depression is provided with groove, The most outwards caving in and be provided with the wire casing of arcuation in described groove two side, is provided with the first fastening in described groove side by side Block and the second fastening block, it is first tight that described first fastening block outer end is provided with the arcuation corresponding with wire casing described in Gu groove, described second fastening block outer end is provided with the second binding groove of the arcuation corresponding with wire casing another described, institute Stating first fastening block the inner and be provided with opening circular groove, described second fastening block the inner is provided with stretches into described opening circular groove Interior rotary column, is provided with hold down gag between described first fastening block and the second fastening block and described fastener.
2. a kind of disconnecting preventing line Wedged insulating tension clamp as claimed in claim 1, it is characterised in that: Described hold down gag includes that described first fastening block the inner is provided through the first adjustment of described opening circular groove cell wall Groove, described second fastening block the inner is provided through the second adjustment tank of described rotary column, and described fastener is provided with Through described first adjustment tank and the fastening post of the second adjustment tank, by thread bush equipped with pressure on described fastening post Jack panel.
3. a kind of disconnecting preventing line Wedged insulating tension clamp as claimed in claim 2, it is characterised in that: Described first adjustment tank and the bar groove that the second adjustment tank is outer end opening.
4. a kind of disconnecting preventing line Wedged insulating tension clamp as claimed in claim 1, it is characterised in that: The tail end side of described clamp is provided with connection seat, and described fastener is provided with connecting plate, and described connecting plate passes through Connecting bolt connects described connection seat.
5. a kind of disconnecting preventing line Wedged insulating tension clamp as claimed in claim 4, it is characterised in that: Described wire casing is symmetricly set on the both sides of described connecting plate centrage, and the centrage of wire casing described in is with described The centrage of clamp overlaps.
6. a kind of disconnecting preventing line Wedged insulating tension clamp as claimed in claim 1, it is characterised in that: Described in two, wire casing, the first binding groove and the second binding groove are arc-shaped, and described first binding groove and second tight Gu the center of circle of wire casing is located along the same line described in the center of circle of groove and two, described first binding groove and second tight Gu the distance between the groove center of circle is more than the distance between the wire casing center of circle described in two.
7. a kind of disconnecting preventing line Wedged insulating strain insulator as described in any claim in claim 1 to 6 Wire clamp, it is characterised in that: the cross section of described fastener is C-shaped.
CN201610431457.7A 2016-06-16 2016-06-16 Novel wedge type insulating strain clamp capable of preventing wire from falling off Pending CN105958408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610431457.7A CN105958408A (en) 2016-06-16 2016-06-16 Novel wedge type insulating strain clamp capable of preventing wire from falling off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610431457.7A CN105958408A (en) 2016-06-16 2016-06-16 Novel wedge type insulating strain clamp capable of preventing wire from falling off

Publications (1)

Publication Number Publication Date
CN105958408A true CN105958408A (en) 2016-09-21

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CN201610431457.7A Pending CN105958408A (en) 2016-06-16 2016-06-16 Novel wedge type insulating strain clamp capable of preventing wire from falling off

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792795A (en) * 2018-03-29 2018-11-13 国网山东省电力公司潍坊供电公司 Insulating cord Insulation Test coil winding machine
CN117458374A (en) * 2023-11-01 2024-01-26 佛山市翔健橡塑制品有限公司 Insulating sheath structure for power transmission and transformation overhead conductor and installation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201247938Y (en) * 2008-06-24 2009-05-27 固力发电气有限公司 Wedge type strain clamp
CN201639239U (en) * 2010-04-19 2010-11-17 黄天爵 Beam concentration two-core strain clamp
CN201821066U (en) * 2010-10-19 2011-05-04 永固集团股份有限公司 Strain clamp for overhead insulated conductor provided with steel core
CN203983513U (en) * 2014-07-11 2014-12-03 浙江天虹电气金具有限公司 C shaped cable clamp
CN204333858U (en) * 2015-01-21 2015-05-13 上元电力科技有限公司 Core-bunched strain clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201247938Y (en) * 2008-06-24 2009-05-27 固力发电气有限公司 Wedge type strain clamp
CN201639239U (en) * 2010-04-19 2010-11-17 黄天爵 Beam concentration two-core strain clamp
CN201821066U (en) * 2010-10-19 2011-05-04 永固集团股份有限公司 Strain clamp for overhead insulated conductor provided with steel core
CN203983513U (en) * 2014-07-11 2014-12-03 浙江天虹电气金具有限公司 C shaped cable clamp
CN204333858U (en) * 2015-01-21 2015-05-13 上元电力科技有限公司 Core-bunched strain clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792795A (en) * 2018-03-29 2018-11-13 国网山东省电力公司潍坊供电公司 Insulating cord Insulation Test coil winding machine
CN117458374A (en) * 2023-11-01 2024-01-26 佛山市翔健橡塑制品有限公司 Insulating sheath structure for power transmission and transformation overhead conductor and installation method thereof

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Application publication date: 20160921

RJ01 Rejection of invention patent application after publication