CN103633604A - Suspension clamp - Google Patents

Suspension clamp Download PDF

Info

Publication number
CN103633604A
CN103633604A CN201310627038.7A CN201310627038A CN103633604A CN 103633604 A CN103633604 A CN 103633604A CN 201310627038 A CN201310627038 A CN 201310627038A CN 103633604 A CN103633604 A CN 103633604A
Authority
CN
China
Prior art keywords
pressing plate
groove
suspension clamp
bolt
convenient
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.)
Granted
Application number
CN201310627038.7A
Other languages
Chinese (zh)
Other versions
CN103633604B (en
Inventor
郑伟民
陈韶昱
钱尼华
江涛
程云堂
邢云民
邢明儿
周志龙
邢能茂
陈新军
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.)
FENGXIN ELECTRICAL TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
Zhejiang Huadian Equipment Inspection Institute
State Grid Zhejiang Electric Power Co Ltd
Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
FENGXIN ELECTRICAL TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
Zhejiang Huadian Equipment Inspection Institute
State Grid Zhejiang Electric Power Co Ltd
Quzhou Power Supply Co of State Grid Zhejiang Electric Power 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 FENGXIN ELECTRICAL TECHNOLOGY Co Ltd, State Grid Corp of China SGCC, Zhejiang Huadian Equipment Inspection Institute, State Grid Zhejiang Electric Power Co Ltd, Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical FENGXIN ELECTRICAL TECHNOLOGY Co Ltd
Priority to CN201310627038.7A priority Critical patent/CN103633604B/en
Publication of CN103633604A publication Critical patent/CN103633604A/en
Application granted granted Critical
Publication of CN103633604B publication Critical patent/CN103633604B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a suspension clamp, which comprises a left pressing plate and a right pressing plate, wherein the bottom of the left pressing plate and the bottom of the right pressing plate are provided with a group of clamp hook and clamp bar which are convenient for the clamping of the right and left pressing plates, the clamp hook comprises a clamping part and a protruding part, the top of the left pressing plate and the top of the right pressing plate are respectively provided with a cantilever, at least one group of fastening component is arranged between the two cantilevers, and a through hole is formed in the middle parts of the left and right pressing plates. The suspension clamp has the advantages that the left and right pressing plates are fixed through the clamp hook and the clamp bar, the left pressing plate is fixed on the right pressing plate through the fastening component, and during use, the clamp bar is fixedly connected into the clamping part of the clamp hook through the protruding part arranged on the clamp hook, so that the clamp is guaranteed not to be damaged in use, the practicality is ensured, the safety is high, the phenomenon of outage of power or communication is reduced, and the using effect is good.

Description

A kind of suspension clamp
Technical field
The present invention relates to a kind of suspension clamp.
Background technology
Electric armour clamp is the vitals of electric line, is undertaking the electric important mission of safety delivery.In decades, the transmission line of China adopts energy-saving aluminum alloy hardware because of reasons such as coronas except supertension line, because the gold utensil one-time investment cost of malleable cast iron and common iron is little, electrical network still adopts on 10kV and following circuit comprehensively at present, as suspension clamp, strain clamp and stockbridge damper etc., substantially adopt malleable cast iron and the manufacture of common iron material.
Be directly installed on the electric armour clamp on wire, in structure, often belong to closed electromagnetic loop, while passing through operating current in circuit, electric armour clamp in alternating electromagnetic field, to produce magnetic hysteresis and eddy current loss, be that electric armour clamp in circuit is all consuming electric energy all the time, due to its use wide, amount is large, the energy consumption causing is very considerable.
At electric power, in communication for preventing the cable distortion of dangling, conventionally need metallic support line can be set, and between cable and Support Level, suspension clamp is set, current a kind of suspension clamp mainly adopts shell aluminium alloy, the structure of interior rubber coating forms, there is rubber deformation when stressed, after stressed, easily cause insulation damages, dielectric strength is not enough, cause wire ground connection, and break down and have eddy current loss, another kind of suspension clamp comprises left pressing plate and the right pressing plate being formed by aluminum casting, and bolt assembly, between right pressing plate and left pressing plate, adopt hinge mode to be connected, exist easily oxidized and suffer the erosion of rainwater and damage, therefore useful life is shorter, and after impaired, in the weather of blowing, acutely rocking of cable can cause right pressing plate or left pressing plate fracture, cause cable and Support Level to depart from, cable is losing even disconnection of support reverse hang distortion, thereby initiation electric power, communicating interrupt, produce more serious consequence, and Chinese application number is 2013202593106 disclosed a kind of suspension clamps, a kind of suspension clamp of making by sheet molding compound is disclosed, need be located in bolt hole by bolt, and need to carry out installing/dismounting by auxiliary hole, in the weather of blowing, acutely rocking of cable, because the radius in auxiliary hole is greater than the outer radius of hold-down nut on bolt, during long-term use, because friction easily makes bolt depart from auxiliary hole, cause cable and Support Level to depart from, cable is losing even disconnection of support reverse hang distortion, thereby initiation electric power, communicating interrupt, produce more serious consequence.
Summary of the invention
The technical problem to be solved in the present invention is that existing suspension clamp easily causes electric power, communicating interrupt, thereby a kind of suspension clamp is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of suspension clamp, comprise left pressing plate, right pressing plate, the bottom of described left pressing plate and the bottom of right pressing plate are provided with one group of grab and card article of being convenient to right pressing plate and left pressing plate clamping, described grab comprises that cross section is semicircular Access Division, be fixedly connected on the lug boss at edge, Access Division, the top of described left pressing plate is equipped with one with the top of right pressing plate and is convenient to the cantilever that right pressing plate is fixedly connected with left pressing plate, between two described cantilevers, be provided with at least one group of fastening assembly, between the middle part of described right pressing plate and the middle part of left pressing plate, form and be convenient to the through hole that cable wears.
Preferably, described grab is arranged on left pressing plate, described card article is arranged on right pressing plate, the side Access Division that lug boss is relative is fixedly connected on left pressing plate, the top of described lug boss is provided with arc sections, the width of described lug boss is 6~12mm, and the height of described lug boss is 10~15mm, simple in structure, stable connection, unfailing performance is good, and during use, left pressing plate and right pressing plate are difficult for departing from, easy installation and removal, effectively guaranteed the switching performance of grab and card article, connect reliably, safe ready, Practical Performance is good.
Preferably, in described Access Division, be provided with card article is fixedly connected on to the draw-in groove in Access Division, the bottom of described card article is provided with the connecting portion matching with draw-in groove, the bottom of described connecting portion is circular arc, the degree of depth of described draw-in groove is 5~10mm, by connecting portion, coordinate with draw-in groove, guaranteed the stability that card article is connected with grab, safe and reliable, Practical Performance is good, when the draw-in groove degree of depth is less than 5mm, it is unreliable that card article is connected with draw-in groove, and card article is easily offset, Practical Performance is poor, when the draw-in groove degree of depth is greater than 10mm, card article does not utilize installation, and result of use is poor.
Preferably, at least one contact-making surface of described connecting portion and draw-in groove is provided with at least one group connecting portion is fixed on to holddown groove and the fixed block on draw-in groove, connects reliably, has guaranteed that connecting portion is connected reliably with draw-in groove.
Preferably, the top of described cantilever is circular arc, and the width of two described cantilevers is equal, and the width of described cantilever is less than the width of right pressing plate, simple in structure, easy for installation, is convenient to fastening assembly and fixes.
Preferably, described fastening assembly comprises bolt, is fixed on pad and the nut on bolt successively, described cantilever is provided with is convenient to the screwed hole that bolt wears, described bolt is provided with one nut is fixed on to the bearing pin on bolt, described bolt is provided with is convenient to the perforating that bearing pin wears, and by bearing pin, nut is fixedly connected on bolt, has effectively avoided making nut depart from bolt because swinging, connect reliably, stability is good.
Preferably, be equipped with one group and be convenient to the groove that through hole forms between the middle part of described left pressing plate and the middle part of right pressing plate, the cross section of described groove is semicircular arc or V-arrangement, and the cable that can adapt to different model specification wears, and has improved Practical Performance.
Preferably, the cross section of described groove is W shape, and one group of groove Formation cross-section is the through hole of quatrefoil shape, is convenient to four circular cables and wears simultaneously, and Practical Performance is good, and result of use is good.
Preferably, described grab and left pressing plate are wholely set, and described card article and right pressing plate are wholely set, and have saved cost, have reduced the installation procedure of grab and card article, Stability Analysis of Structures, and Practical Performance is good.
Preferably, described left pressing plate and right pressing plate are sheet molding compound, stud with at least cancellated alkali-free glass fibre yarn of a slice in described sheet molding compound, it is high that the pressing plate made from respect to sheet molding compound has compression strength, unfailing performance is good, and difficult fracture, has improved security performance.
In sum, advantage of the present invention: left pressing plate and right pressing plate are fixed by grab and card article, and by fastening assembly, left pressing plate is fixed on right pressing plate, during use, the lug boss being provided with because of grab is fixedly connected on card article in the Access Division of grab, while having guaranteed use, wire clamp is not damaged, and has guaranteed Practical Performance, and security performance is high, the phenomenon that has reduced electric power, communicating interrupt, result of use is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the suspension clamp structural representation of the embodiment of the present invention one;
Fig. 2 is the suspension clamp structural representation of the embodiment of the present invention two;
Fig. 3 is the suspension clamp structural representation of the embodiment of the present invention three.
Embodiment
Embodiment mono-:
As shown in Figure 1, a kind of suspension clamp, comprise left pressing plate 1, right pressing plate 2, the bottom of the bottom of described left pressing plate 1 and right pressing plate 2 is provided with one group of grab 3 and card article 4 of being convenient to right pressing plate 2 and left pressing plate 1 clamping, the top of the top of described left pressing plate 1 and right pressing plate 2 is equipped with one and is convenient to the cantilever 5 that right pressing plate 2 is fixedly connected with left pressing plate 1, between two described cantilevers 5, be provided with at least one group of fastening assembly 6, between the middle part of the middle part of described right pressing plate 2 and left pressing plate 1, form and be convenient to the through hole 7 that cable wears, described grab 3 is arranged on left pressing plate 1, described card article 4 is arranged on right pressing plate 2, described grab 3 comprises that cross section is semicircular Access Division 31, be fixedly connected on the lug boss 32 at 31 edges, Access Division, the Access Division 31 of the relative side of lug boss 32 is fixedly connected on left pressing plate 1, the top of described lug boss 32 is provided with arc sections, simple in structure, stable connection, unfailing performance is good, during use, left pressing plate 1 and right pressing plate 2 are difficult for departing from, easy installation and removal, in described Access Division 31, be provided with card article 4 is fixedly connected on to the draw-in groove 311 in Access Division 31, the bottom of described card article 4 is provided with the connecting portion 41 matching with draw-in groove 311, the bottom of described connecting portion 41 is circular arc, the degree of depth of described draw-in groove 311 is 5~10mm, by connecting portion 41, coordinate with draw-in groove 311, guaranteed the stability that card article 4 is connected with grab 3, safe and reliable, Practical Performance is good, when draw-in groove 311 degree of depth are less than 5mm, it is unreliable that card article 4 is connected with draw-in groove 311, card article 4 is easily offset, Practical Performance is poor, when draw-in groove 311 degree of depth are greater than 10mm, card article 4 does not utilize installation, result of use is poor, at least one contact-making surface of described connecting portion and draw-in groove is provided with at least one group connecting portion is fixed on to holddown groove and the fixed block on draw-in groove, connect reliable, guaranteed that connecting portion is connected with draw-in groove reliably, the top of described cantilever 5 is circular arc, the width of two described cantilevers 5 equates, the width of described cantilever 5 is less than the width of right pressing plate 2, simple in structure, easy for installation, be convenient to fastening assembly 6 fixing, described fastening assembly 6 comprises bolt 61, be fixed on successively pad and nut 62 on bolt 61, described cantilever 5 is provided with is convenient to the screwed hole that bolt 61 wears, described bolt 61 is provided with one nut 62 is fixed on to the bearing pin 63 on bolt 61, described bolt 61 is provided with is convenient to the perforating that bearing pin 63 wears, by bearing pin 63, nut 62 is fixedly connected on bolt 61, effectively avoided making nut 62 depart from bolt 61 because swinging, connect reliable, stability is good, between the middle part of the middle part of described left pressing plate 1 and right pressing plate 2, be equipped with one group and be convenient to the groove 71 that through hole 7 forms, the cross section of described groove 71 is semicircular arc or V-arrangement, the cable that can adapt to different model specification wears, improved Practical Performance, described grab 3 is wholely set with left pressing plate 1, described card article 4 is wholely set with right pressing plate 2, saved cost, reduced the installation procedure of grab 3 and card article 4, Stability Analysis of Structures, Practical Performance is good, described left pressing plate 1 and right pressing plate 2 are sheet molding compound, in described sheet molding compound, stud with at least cancellated alkali-free glass fibre yarn of a slice, it is high that the pressing plate made from respect to sheet molding compound has compression strength, unfailing performance is good, difficult fracture, improved security performance.
Embodiment bis-:
A kind of suspension clamp as described in embodiment mono-, the present embodiment has following difference: as shown in Figure 2: the cross section of described groove 71 is W shape, and one group of groove 71 Formation cross-section is the through hole 7 of quatrefoil shape, is convenient to four circular cables and wears simultaneously, Practical Performance is good, and result of use is good.
Embodiment tri-:
A kind of suspension clamp as described in embodiment mono-, two, the present embodiment has following difference: as shown in Figure 3: described grab 3 is arranged on right pressing plate 2, and described card article 4 is arranged on left pressing plate 1, simple in structure, is convenient to install, and Practical Performance is good.
By sheet molding compound, be injection molded on request left pressing plate 1 and right pressing plate 2; during installation; the connecting portion 41 that card article 4 is provided with coordinates with the draw-in groove 311 being provided with in the Access Division 31 of grab 3; and by cantilever 5, left pressing plate 1 is fixedly connected with right pressing plate 2, cable is located in through hole 7, during use; by left pressing plate 1 and 2 pairs of cables of right pressing plate, protect; during dismounting, only need card article 4 is separated with Access Division 31, just can to cable, change easily.
By grab and card article, left pressing plate and right pressing plate are fixed, and by fastening assembly, left pressing plate is fixed on right pressing plate, during use, the lug boss being provided with because of grab is fixedly connected on card article in the Access Division of grab, and while having guaranteed use, wire clamp is not damaged, guaranteed Practical Performance, security performance is high, has reduced the phenomenon of electric power, communicating interrupt, and result of use is good.

Claims (10)

1. a suspension clamp, comprise left pressing plate (1), right pressing plate (2), it is characterized in that: the bottom of the bottom of described left pressing plate (1) and right pressing plate (2) is provided with one group of grab (3) and card article (4) of being convenient to right pressing plate (2) and left pressing plate (1) clamping, described grab (3) comprises that cross section is semicircular Access Division (31), be fixedly connected on the lug boss (32) at edge, Access Division (31), the top of the top of described left pressing plate (1) and right pressing plate (2) is equipped with one and is convenient to the cantilever (5) that right pressing plate (2) is fixedly connected with left pressing plate (1), between two described cantilevers (5), be provided with at least one group of fastening assembly (6), between the middle part of the middle part of described right pressing plate (2) and left pressing plate (1), form and be convenient to the through hole (7) that cable wears, described left pressing plate (1) and right pressing plate (2) are all by sheet molding compound with alkali-free glass fibre yarn is compound makes.
2. a kind of suspension clamp according to claim 1, it is characterized in that: described grab (3) is arranged on left pressing plate (1), described card article (4) is arranged on right pressing plate (2), the side Access Division (31) that lug boss (32) is relative is fixedly connected on left pressing plate (1), the top of described lug boss (32) is provided with arc sections, the width of described lug boss (32) is 6~12mm, and the height of described lug boss (32) is 10~15mm.
3. a kind of suspension clamp according to claim 1 and 2, it is characterized in that: in described Access Division (31), be provided with card article (4) is fixedly connected on to the draw-in groove (311) in Access Division (31), the bottom of described card article (4) is provided with the connecting portion (41) matching with draw-in groove (311), the bottom of described connecting portion (41) is circular arc, and the degree of depth of described draw-in groove (311) is 5~10mm.
4. a kind of suspension clamp according to claim 3, is characterized in that: at least one contact-making surface of described connecting portion (41) and draw-in groove (311) is provided with at least one group connecting portion (41) is fixed on to holddown groove and the fixed block on draw-in groove (311).
5. a kind of suspension clamp according to claim 1, is characterized in that: the top of described cantilever (5) is circular arc, and the width of two described cantilevers (5) is equal, and the width of described cantilever (5) is less than the width of right pressing plate (2).
6. a kind of suspension clamp according to claim 1, it is characterized in that: described fastening assembly (6) comprises bolt (61), is fixed on pad and the nut (62) on bolt (61) successively, described cantilever (5) is provided with is convenient to the screwed hole that bolt (61) wears, described bolt (61) is provided with one nut (62) is fixed on to the bearing pin (63) on bolt (61), and described bolt (61) is provided with is convenient to the perforating that bearing pin (63) wears.
7. a kind of suspension clamp according to claim 2, it is characterized in that: between the middle part of described left pressing plate (1) and the middle part of right pressing plate (2), be equipped with one group and be convenient to the groove (71) that through hole (7) forms, the cross section of described groove (71) is semicircular arc or V-arrangement.
8. a kind of suspension clamp according to claim 7, is characterized in that: the cross section of described groove (71) is W shape, one group of through hole (7) that groove Formation cross-section is quatrefoil shape.
9. a kind of suspension clamp according to claim 2, is characterized in that: described grab (3) is wholely set with left pressing plate (1), and described card article (4) is wholely set with right pressing plate (2).
10. a kind of suspension clamp according to claim 1, is characterized in that: described left pressing plate (1) and right pressing plate (2) are sheet molding compound, studs with at least cancellated alkali-free glass fibre yarn of a slice in described sheet molding compound.
CN201310627038.7A 2013-11-28 2013-11-28 A kind of suspension clamp Active CN103633604B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310627038.7A CN103633604B (en) 2013-11-28 2013-11-28 A kind of suspension clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310627038.7A CN103633604B (en) 2013-11-28 2013-11-28 A kind of suspension clamp

Publications (2)

Publication Number Publication Date
CN103633604A true CN103633604A (en) 2014-03-12
CN103633604B CN103633604B (en) 2016-07-06

Family

ID=50214352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310627038.7A Active CN103633604B (en) 2013-11-28 2013-11-28 A kind of suspension clamp

Country Status (1)

Country Link
CN (1) CN103633604B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054706A (en) * 2018-01-29 2018-05-18 重庆市长寿区臻波通讯设备有限公司 Suspension clamp
CN109850699A (en) * 2018-12-29 2019-06-07 江苏万帮德和新能源科技股份有限公司 Electronic charging gun rifle wire management device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801780A (en) * 1928-01-25 1931-04-21 Westinghouse Electric & Mfg Co Suspension clamp
GB1587233A (en) * 1978-05-30 1981-04-01 Brush Power Equip Ltd Clamp for conductor of an overhead electricity transmission line
WO1994026012A1 (en) * 1993-04-27 1994-11-10 Oy Sekko Ab Holder for a low-voltage cable
JPH0833172A (en) * 1994-07-11 1996-02-02 Fujikura Ltd Vibrationproof suspension clamp
JPH10196846A (en) * 1996-12-27 1998-07-31 Maruichi Kk Supporting device for laying long article
FR2805575A1 (en) * 2000-02-29 2001-08-31 Automobiles Ligier Strap for a split clamp supporting a tubular piece with stepped shoulders on its clamping face to produce a rigid fixing resistant to vibration
CN2525711Y (en) * 2001-12-15 2002-12-11 李祥轩 Anti-theft wire suspending device for communication cable
CN203218837U (en) * 2013-05-10 2013-09-25 宁波华缘玻璃钢电器制造有限公司 Pendulous wire clamp
CN203339618U (en) * 2013-07-11 2013-12-11 红旗集团电力金具有限公司 Suspended wire clamp
CN203562730U (en) * 2013-11-28 2014-04-23 国家电网公司 Suspension wire clamp

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801780A (en) * 1928-01-25 1931-04-21 Westinghouse Electric & Mfg Co Suspension clamp
GB1587233A (en) * 1978-05-30 1981-04-01 Brush Power Equip Ltd Clamp for conductor of an overhead electricity transmission line
WO1994026012A1 (en) * 1993-04-27 1994-11-10 Oy Sekko Ab Holder for a low-voltage cable
JPH0833172A (en) * 1994-07-11 1996-02-02 Fujikura Ltd Vibrationproof suspension clamp
JPH10196846A (en) * 1996-12-27 1998-07-31 Maruichi Kk Supporting device for laying long article
FR2805575A1 (en) * 2000-02-29 2001-08-31 Automobiles Ligier Strap for a split clamp supporting a tubular piece with stepped shoulders on its clamping face to produce a rigid fixing resistant to vibration
CN2525711Y (en) * 2001-12-15 2002-12-11 李祥轩 Anti-theft wire suspending device for communication cable
CN203218837U (en) * 2013-05-10 2013-09-25 宁波华缘玻璃钢电器制造有限公司 Pendulous wire clamp
CN203339618U (en) * 2013-07-11 2013-12-11 红旗集团电力金具有限公司 Suspended wire clamp
CN203562730U (en) * 2013-11-28 2014-04-23 国家电网公司 Suspension wire clamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054706A (en) * 2018-01-29 2018-05-18 重庆市长寿区臻波通讯设备有限公司 Suspension clamp
CN108054706B (en) * 2018-01-29 2019-08-27 重庆市长寿区臻波通讯设备有限公司 Suspension clamp
CN109850699A (en) * 2018-12-29 2019-06-07 江苏万帮德和新能源科技股份有限公司 Electronic charging gun rifle wire management device

Also Published As

Publication number Publication date
CN103633604B (en) 2016-07-06

Similar Documents

Publication Publication Date Title
CN210577676U (en) Suspension type cable clamping device for electrical engineering
CN103633604B (en) A kind of suspension clamp
CN203218837U (en) Pendulous wire clamp
CN204615332U (en) Bearing type insulating tension clamp
CN203562730U (en) Suspension wire clamp
CN101814707B (en) Tool for live replacement of 220kV line 'V' string insulator and method
CN205159966U (en) Cable pipe
CN201584701U (en) Tool for replacing 'V' string insulator of 220kV line in live state
CN201336540Y (en) Energy saving suspending wire clamp
CN203607034U (en) Electrified easily-hanging type phase sequence card
CN206412189U (en) A kind of cracking resistance epoxy resin transformer
CN203626370U (en) Cross arm used for double-circuit straight pole of overhead line of 10 kilovolts
CN204899386U (en) Special top of cement electric pole iron
CN201639240U (en) Beam concentration four-core strain clamp
CN203588593U (en) Live phase sequence plate hanging operating device
CN204349394U (en) A kind of protection rope for conductor cross arm connecting device
CN204946753U (en) A kind of 10kV isolating switch mounting bracket
CN201435583Y (en) Quick bolt wedge type tension-endurable wire clamp
CN203491643U (en) Draw ring
CN203813335U (en) Triangular yoke plate clamp for live exchange of 220 kV strain insulator string
CN203589575U (en) Live-line phase sequence plate hitching operation tool
CN203180460U (en) Insulating support device of OPGW excess cable support for transmission tower
CN203366866U (en) Ultra-high pressure DC line anti-off string composite insulator segmented single V type suspension string
CN202632906U (en) Pintype insulator
CN202817668U (en) Tension-resistant wire clamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant