CN202872263U - Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole - Google Patents

Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole Download PDF

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Publication number
CN202872263U
CN202872263U CN 201220598935 CN201220598935U CN202872263U CN 202872263 U CN202872263 U CN 202872263U CN 201220598935 CN201220598935 CN 201220598935 CN 201220598935 U CN201220598935 U CN 201220598935U CN 202872263 U CN202872263 U CN 202872263U
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CN
China
Prior art keywords
plates
subassembly
yoke
plate
yoke plate
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Application number
CN 201220598935
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Chinese (zh)
Inventor
夏增明
李江
周惟
吴力柯
汪志刚
刘鑫
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.)
Changsha Power Bureau Of Hunan Electric Power Co ltd
State Grid Corp of China SGCC
Original Assignee
Changsha Power Bureau Of Hunan Electric Power Co ltd
State Grid Corp of China SGCC
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Application filed by Changsha Power Bureau Of Hunan Electric Power Co ltd, State Grid Corp of China SGCC filed Critical Changsha Power Bureau Of Hunan Electric Power Co ltd
Priority to CN 201220598935 priority Critical patent/CN202872263U/en
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Publication of CN202872263U publication Critical patent/CN202872263U/en
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Abstract

The utility model discloses a tool charged for replacing double strings of insulators of double bundle conductors of a straight line pole. The tool comprises a fixing subassembly, and a connecting subassembly, wherein the fixing subassembly is connected with two yoke plates at the side of a cross arm of an insulator string; the connecting subassembly is connected with the two yoke plates of the double bundle conductors of the insulator string; an insulated connecting rope is arranged between the fixing subassembly and the connecting subassembly; the fixing subassembly comprises two connecting plates, a yoke plate clip, an insulating pulley, and a shackle subassembly; the insulating pulley and the shackle subassembly are orderly connected between the two connecting plates from top to bottom; the connecting subassembly comprises two fixing plates, an insulating pulley subassembly, and four yoke plate grab members; the insulating pulley subassembly is connected between the two fixing plates and is arranged at the center of the length direction of the fixing plates, and the yoke plate grab members are symmetrically connected to two ends of each fixing plate two by two. A worker on the ground can achieve replacing of the insulator string by elevation of the insulated connecting rope after the fixing subassembly is fixed together with the two yoke plates at the side of the cross arm, and the tool has the advantage of being reliable, rapid and safe to install.

Description

The instrument of the two insulator strings of replacing linear pole under live state tower double bundle conductor
Technical field
The utility model relates to the instrument of the two insulator strings of a kind of replacing linear pole under live state tower double bundle conductor ,Be particularly related to a kind of instrument of earth potential replacement double bundle conductor insulator string.
Background technology
Because aerial power transmission line bears the impact of the unfavorable factors such as electric and mechanical load and meteorology, smog, dust for a long time, make insulator that aging, damage occur.Therefore, must in time change underproof insulator, guarantee the safe and stable operation of circuit.Two insulator strings of electrified replacing linear double bundle conductor in the past, insulator breaks away from the rear deadweight because of two yoke plates of bowl head, employing earth potential working action bars method can not break away from smoothly, installing insulating, only has by the equal potential working method and just can finish the task that such hanging wire mode is changed insulator.And there is following dangerous spot in the equal potential working method: when one, the equal potential working personnel pass in and out electric field, should wear a complete set of qualified screening clothing and each one connects reliable, resistance must not be greater than 20 ohm, if screening clothing has the wire fracture in breakage or the cloth too much, to cause shield effectiveness to reduce, cause that personnel have the sensation of acupuncture, spider web, electric boom, cause hidden danger; Two, the equal potential working personnel are difficult to guarantee combinational gap more than 2.1 meters at 220kV circuit compact shaft tower turnover electric field, and operating personnel's safety is had certain danger; Three, the equal potential working personnel are in the electric field for a long time, correspondingly can be subject to certain electric field radiation, and operating personnel's physiological health is more or less affected.
The utility model content
The purpose of this utility model is to provide a kind of safe, efficient, instrument of reducing the replacing linear pole under live state tower double bundle conductor bunch of insulator of operation injury.
The instrument of the two insulator strings of this replacing linear pole under live state tower double bundle conductor that the utility model provides, comprise the fixation kit that is connected with insulator string cross-arm side two yoke plates, with the coupling assembling that insulator string double bundle conductor two yoke plates are connected, the insulation connection cord is arranged between fixation kit and the coupling assembling; Fixation kit comprises two of connecting plates, yoke plate clamp, insulating block, unloads buckle assembly, yoke plate clamp, insulating block and unload buckle assembly and be connected in successively from top to bottom between two connecting plates; Coupling assembling comprises two of fixed heads, insulating block assembly, four holder yoke plate snap fit members, and the insulating block assembly is connected between two fixed heads, is positioned at the length direction midpoint of fixed head, and holder yoke plate snap fit member is the symmetrical two ends that are connected in fixed head in twos.
Described yoke plate clamp, insulating block and unload buckle assembly and connecting plate between be bolted; Be bolted between insulating block assembly and holder yoke plate snap fit member and the fixed head.
The upper end of described yoke plate clamp is the V-type plate that notch is arranged in the middle of the thickness direction, and there is connecting ring the lower end of V-type plate, is used for and being connected of described connecting plate; Be symmetrically connected with bolt on the bipod of V-type plate.
Described holder yoke plate snap fit member is flat structure, and its upper end is useful on bolted slotted hole for the length direction of snap fit, lower end.
The described buckle assembly that unloads comprises U-shaped clasp, connects hasp, and the upper end that connects hasp is bolted described connecting plate, the lower end connects U-shaped clasp by bayonet lock; There is the circular hole that mates with described bayonet lock the openend both sides that connect clasp.
The utility model upper end is connected with two yoke plates of insulator string cross-arm side by fixation kit, the lower end is connected by two yoke plates of coupling assembling with insulator string double bundle conductor side, connect by the insulation connection cord between fixation kit and the coupling assembling, the ground handling personnel utilize the lifting of insulation connection cord can realize the replacing of insulator string, instrument is installed the time space operation and is only needed two yoke plates of fixation kit and cross-arm side are fixed, other work can be carried out on the ground, do not need to enter in the situation of equal potential working and carry out live line working, reduce the live line working personnel and be in the impact that is subjected to electric field radiation in the electric field.Has reliable, quick, the safe advantage of installing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the instrument of the two insulator strings of this replacing linear pole under live state tower double bundle conductor that the utility model provides, comprise the fixation kit 1 that is connected with insulator string cross-arm side two yoke plates, the coupling assembling 2 that is connected with insulator string double bundle conductor two yoke plates, insulation connection cord 3 is arranged between fixation kit 1 and the coupling assembling 2; Fixation kit 1 comprises two connecting plates 11, yoke plate clamp 12, insulating block 13, unloads buckle assembly 14, and yoke plate clamp 12, insulating block 13 and shackle 14 are connected between two connecting plates 11 from top to bottom successively; Coupling assembling 2 comprises two fixed heads 21, insulating block assembly 22, four holder yoke plate snap fit members 23, and insulating block assembly 22 is connected between two fixed heads 21, be positioned at the length direction midpoint of fixed head 21.Yoke plate clamp 12, insulating block 13 and unload buckle assembly 14 and connecting plate 11 between all be bolted, insulating block assembly 22 and holder yoke plate snap fit member 23 and fixing between 21 plates is bolted.The upper end of yoke plate clamp 12 is the V-type plate that notch is arranged in the middle of the thickness direction, and there is connecting ring the lower end of V-type plate, is used for and being connected of connecting plate 11; Be symmetrically connected with bolt on the bipod of V-type plate.Holder yoke plate snap fit member 23 is flat structure, and its upper end is useful on bolted slotted hole for the length direction of snap fit 231, lower end.The position of holder for regulating yoke plate snap fit member 23 is convenient in the setting of slotted hole, conveniently to block two yoke plates.Unload buckle assembly 14 and comprise U-shaped clasp 141, connect hasp 142, the upper end that connects hasp 142 by bolt is connected with connecting plate 11, the lower end passes through the U-shaped clasp 142 of bayonet lock 143 connections; There is the circular hole that mates with bayonet lock 143 the openend both sides that connect clasp 142.Insulation connection cord 3 can adopt high-intensity fragrant logical sequence rope.
Operating process of the present utility model is as follows: the first step, first fixation kit 1 and coupling assembling 2 usefulness insulation connection cord 3 are connected, to an insulate end of connection cord 3 of attention firmly lies on the U-shaped clasp 141 of fixation kit 1 lower end, then pass the insulating block 13 of later walking around fixation kit 1 behind the insulating block 13 of coupling assembling 2, the other end of insulation connection cord 3 stays and is used for the back operation in ground; Second step, 1 earth potential electrician's belt insulation continuous rope is stepped on tower to suitable service position, cooperate two yoke plates that the V-type plate of fixation kit 1 yoke plate clamp 12 blocked the insulator string cross-arm side with the ground staff, with the bolted on the V-type plate, another earth potential electrician cooperates with the ground electrician, make snap fit 231 on the holder yoke plate snap fit member 23 of coupling assembling 2 block two yoke plates of insulator string side of wire was, note during operation and electrified body keeps safe distance more than 1.8 meters; In the 3rd step, the ground electrician utilizes wire grip to tighten up insulation connection cord 3 and shifts conductor load, until the lax disengaging bowl head of being convenient to of insulator string; The 4th step, 1 earth potential electrician uses insulating bar that the insulator indirect operation is taken out a bowl spring catch and broken away from the bowl head, another earth potential electrician cooperates disengaging cross-arm side insulator to be connected with bulb with the ground electrician, adopt one on the other method with old insulator string put to ground, new insulator string is passed on the tower, 1 earth potential electrician installs being connected of insulator and bulb, and another earth potential electrician uses insulating bar that the insulator indirect operation is connected with the bowl head and installs spring catch; In the 5th step, the electrician checks that insulator connects reliable, the various rear removal tool of spring catch and drops down onto ground with ground electrician's Combined with Radiotherapy on the tower.The electrician checks on the tower without leaving over behind instrument, the material tape insulation connection cord 3 and the work director of obtaining and agrees rear lower tower on the tower.

Claims (5)

1. the instrument of the two insulator strings of a replacing linear pole under live state tower double bundle conductor, it is characterized in that: it comprise the fixation kit that is connected with insulator string cross-arm side two yoke plates, with the coupling assembling that insulator string double bundle conductor side two yoke plates are connected, the insulation connection cord is arranged between fixation kit and the coupling assembling; Fixation kit comprises two of connecting plates, yoke plate clamp, insulating block, unloads buckle assembly, yoke plate clamp, insulating block and unload buckle assembly and be connected in successively from top to bottom between two connecting plates; Coupling assembling comprises two of fixed heads, insulating block assembly, four holder yoke plate snap fit members, and the insulating block assembly is connected between two fixed heads, is positioned at the length direction midpoint of fixed head, and holder yoke plate snap fit member is the symmetrical two ends that are connected in fixed head in twos.
2. the instrument of the two insulator strings of replacing linear pole under live state tower double bundle conductor as claimed in claim 1 is characterized in that: described yoke plate clamp, insulating block and unload buckle assembly and connecting plate between be bolted; Be bolted between insulating block assembly and holder yoke plate snap fit member and the fixed head.
3. the instrument of the two insulator strings of replacing linear pole under live state tower double bundle conductor as claimed in claim 1, it is characterized in that: the upper end of described yoke plate clamp is the V-type plate that notch is arranged in the middle of the thickness direction, there is connecting ring the lower end of V-type plate, is used for and being connected of described connecting plate; Be symmetrically connected with bolt on the bipod of V-type plate.
4. the instrument of the two insulator strings of replacing linear pole under live state tower double bundle conductor as claimed in claim 2, it is characterized in that: described holder yoke plate snap fit member is flat structure, its upper end is useful on bolted slotted hole for the length direction of snap fit, lower end.
5. the instrument of the two insulator strings of replacing linear pole under live state tower double bundle conductor as claimed in claim 1, it is characterized in that: the described buckle assembly that unloads comprises U-shaped clasp, connects hasp, and the upper end that connects hasp is bolted described connecting plate, the lower end connects U-shaped clasp by bayonet lock; There is the circular hole that mates with described snap ring the openend both sides that connect clasp.
CN 201220598935 2012-11-14 2012-11-14 Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole Active CN202872263U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220598935 CN202872263U (en) 2012-11-14 2012-11-14 Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220598935 CN202872263U (en) 2012-11-14 2012-11-14 Tool charged for replacing double strings of insulators of double bundle conductors of straight line pole

Publications (1)

Publication Number Publication Date
CN202872263U true CN202872263U (en) 2013-04-10

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872621A (en) * 2014-03-10 2014-06-18 国家电网公司 Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method
CN104253394A (en) * 2013-09-05 2014-12-31 国家电网公司 Tension insulator string replacement tool
CN104300430A (en) * 2014-10-28 2015-01-21 广西电网有限责任公司贺州供电局 Supporting tool used for replacing strain tower double insulator strings
CN104734069A (en) * 2015-04-14 2015-06-24 安顺供电局 Socket tripping device for hot-line replacing 220kV single-conductor linear insulator string
CN104810747A (en) * 2015-04-14 2015-07-29 国网河南省电力公司济源供电公司 Multi-purpose electric power overhaul tool
CN105406401A (en) * 2015-12-22 2016-03-16 国网福建省电力有限公司泉州供电公司 Triangular yokeplate clamping apparatus, double-string strain insulator replacing device and double-string strain insulator replacing method
CN105762707A (en) * 2016-04-28 2016-07-13 中国南方电网有限责任公司超高压输电公司柳州局 Universal clamp for strain tower lead terminal with turning pulley for 500-KV line
CN106384964A (en) * 2015-07-30 2017-02-08 国网河南省电力公司平顶山供电公司 V-type insulator-chain electrified replacing operation method
CN106451237A (en) * 2016-12-07 2017-02-22 中国南方电网有限责任公司超高压输电公司百色局 Ultra-high-voltage transmission line strain insulator string entering and exiting operation connecting device and use method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104253394A (en) * 2013-09-05 2014-12-31 国家电网公司 Tension insulator string replacement tool
CN104253394B (en) * 2013-09-05 2016-10-05 国家电网公司 A kind of replacing instrument of strain insulator string
CN103872621B (en) * 2014-03-10 2016-08-24 国家电网公司 A kind of earth potential method charged changing tension-resisting insulator fixture and operational method
CN103872621A (en) * 2014-03-10 2014-06-18 国家电网公司 Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method
CN104300430A (en) * 2014-10-28 2015-01-21 广西电网有限责任公司贺州供电局 Supporting tool used for replacing strain tower double insulator strings
CN104734069A (en) * 2015-04-14 2015-06-24 安顺供电局 Socket tripping device for hot-line replacing 220kV single-conductor linear insulator string
CN104810747A (en) * 2015-04-14 2015-07-29 国网河南省电力公司济源供电公司 Multi-purpose electric power overhaul tool
CN104734069B (en) * 2015-04-14 2018-08-21 安顺供电局 De- bowl device for charged for replacement 220kV single conductor linear insulator chains
CN106384964A (en) * 2015-07-30 2017-02-08 国网河南省电力公司平顶山供电公司 V-type insulator-chain electrified replacing operation method
CN105406401A (en) * 2015-12-22 2016-03-16 国网福建省电力有限公司泉州供电公司 Triangular yokeplate clamping apparatus, double-string strain insulator replacing device and double-string strain insulator replacing method
CN105762707B (en) * 2016-04-28 2018-03-09 中国南方电网有限责任公司超高压输电公司柳州局 500kV line tension towers conductor wire end band corner block universal card
CN105762707A (en) * 2016-04-28 2016-07-13 中国南方电网有限责任公司超高压输电公司柳州局 Universal clamp for strain tower lead terminal with turning pulley for 500-KV line
CN106451237A (en) * 2016-12-07 2017-02-22 中国南方电网有限责任公司超高压输电公司百色局 Ultra-high-voltage transmission line strain insulator string entering and exiting operation connecting device and use method

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