CN203553740U - A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator - Google Patents

A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator Download PDF

Info

Publication number
CN203553740U
CN203553740U CN201320638283.3U CN201320638283U CN203553740U CN 203553740 U CN203553740 U CN 203553740U CN 201320638283 U CN201320638283 U CN 201320638283U CN 203553740 U CN203553740 U CN 203553740U
Authority
CN
China
Prior art keywords
transmission line
high voltage
direct current
ring body
voltage direct
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
CN201320638283.3U
Other languages
Chinese (zh)
Inventor
陶留海
张建辉
石生智
孙惠涛
樊建军
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.)
Overhauling Co Of Henan Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Overhauling Co Of Henan Electric Power Co
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 Overhauling Co Of Henan Electric Power Co, State Grid Corp of China SGCC filed Critical Overhauling Co Of Henan Electric Power Co
Priority to CN201320638283.3U priority Critical patent/CN203553740U/en
Application granted granted Critical
Publication of CN203553740U publication Critical patent/CN203553740U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator. The replacing apparatus comprises a transverse strut. The two ends of the transverse strut are respectively connected with the upper ends of two herringbone supports. The transverse strut is provided with an insulation pulley. The lower ends of the herringbone supports are fixed on a main clamping apparatus body. The main clamping apparatus body is of a holt hoop iron type structure. The middle portion of the herringbone supports are provided with connecting rods. The transverse strut, the herringbone supports and the connecting rods are all made of titanium alloy materials. Positioning holes are arranged in the transverse strut at intervals. According to the utility model, a locking screw bolt of an insulator enclosed type clamping apparatus is used as an anchoring point, so that a pulley hoisting point of lifting and dropping the insulator can be raised; the operation of working personnel is facilitated; the labor intensity of high-altitude live-line replacement of the single insulator is substantially reduced; the working time is shortened; and the working efficiency is raised.

Description

The more changing device of 800kV extra high voltage direct current transmission line monolithic insulator
technical field:
The utility model relates to a kind of power circuit maintenance tool, particularly relates to a kind of more changing device of 800kV extra high voltage direct current transmission line monolithic insulator.
background technology:
China's electrical distribution is uneven, need long distance powedr transmission, in order to reduce the wastage and to improve power transmission efficiency, adopt more and more ultra high voltage and super UHV transmission, correspondingly the diameter of power transmission line and ground wire is also increasing, its weight is also very large, during monolithic insulator in charged for replacement triple strain edge substring, need bucket crane that insulator is sling, efficiency is low and cost is high, and the place that can not go for bucket crane is changed power transmission line or ground wire and can only be adopted manpower to pull or jacking, require great effort time-consuming, and have the hidden danger of personal injury.
utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of reasonable in design, structural strength is high, can reduce labour intensity and the more changing device of the 800kV extra high voltage direct current transmission line monolithic insulator of increasing work efficiency.
The technical solution of the utility model is: a kind of more changing device of 800kV extra high voltage direct current transmission line monolithic insulator, contain singletree, the two ends of described singletree are connected with the upper end of two herringbones respectively, on described singletree, be provided with insulation coaster, the lower end of described herringbone be fixed on main card concrete on, described main card is specially hood type structure, the centre of described herringbone is provided with connecting rod, and described singletree, herringbone and connecting rod are made by titanium alloy material.
On described singletree, be arranged at intervals with location hole.Location hole is circular hole or bar hole.Main card specifically consists of fixedly ring body and movable ring body, and one end of described movable ring body is connected by pin rotary type with one end of described fixedly ring body, and the other end of described movable ring body is connected by T-shaped screw with the other end of described fixedly ring body.On described fixedly ring body, be provided with connecting plate, on described connecting plate, be provided with bolt hole, the lower end of described herringbone is connected with described connecting plate by connecting bolt, and the outer end of described connecting plate is provided with hydraulic screw rod.
The beneficial effects of the utility model are:
1, to utilize the clamping screw of insulator closed card tool be anchor point to the utility model, titanium alloy A-frame is fixed on to the two ends of jig, add that the singletree of punching is as the suspension centre of lifting and whereabouts insulator, the insulation coaster Heave Here of lifting and whereabouts insulator can be raise, facilitate staff to operate, greatly reduce the labour intensity of high-altitude charged for replacement monolithic insulator, shorten the activity duration, increase work efficiency.
2, the utility model A-frame and singletree adopt titanium alloy manufacture, significantly reduced the volume of instrument self, improved the mechanical strength of instrument, alleviated the weight of instrument, and regulate the multi-hole position of suspension centre to select the suitable hanging point position of more convenient selection, the safety and stability of raising work, avoids producing potential safety hazard in the process of using.
3, the utility model design concept is unique, novel, there is special-purpose member few, easily combine, be convenient for carrying, use the advantages such as simple, lightweight, use coefficient of safety is high, has filled up the blank that domestic UHVDC Transmission Lines live line working field triplet strain insulator-string monolithic insulator is changed Lifting implements.
4, the utility model is reasonable in design, structural strength is high, can reduce labour intensity and increase work efficiency, and it is applied widely, is especially applicable to cross section at 1000mm 2above large-section lead ± 800kV extra high voltage direct current transmission line, be easy to promotion and implementation, there is good economic benefit.
accompanying drawing explanation:
Fig. 1 is the structural representation of the more changing device of 800kV extra high voltage direct current transmission line monolithic insulator;
Fig. 2 be the monolithic insulator of 800kV extra high voltage direct current transmission line shown in Fig. 1 more changing device end view.
embodiment:
Embodiment: referring to Fig. 1 and Fig. 2, in figure, the movable ring body of 1-, 2-T-shaped screw, 3-nut, 4-pin, 5-check ring, 6-main card is concrete, 7-hydraulic screw rod, 8-singletree, 9-herringbone, 10-connecting rod, the 11-coaster that insulate, 12-disk insulator.
The more changing device of 800kV extra high voltage direct current transmission line monolithic insulator contains singletree 8, wherein: the two ends of singletree 8 are connected with the upper end of two herringbones 9 respectively, on singletree 8, be provided with insulation coaster 11, the lower end of herringbone 9 is fixed on main card concrete 6, main card concrete 6 is hood type structure, the centre of herringbone 9 is provided with connecting rod 10, and singletree 8, herringbone 9 and connecting rod 10 are made by titanium alloy material.
On singletree 8, be arranged at intervals with location hole, location hole is circular hole or bar hole.Main card concrete 6 consists of fixedly ring body and movable ring body 1, and one end of movable ring body 1 is connected by pin 4 rotary types with fixing one end of ring body, and the other end of movable ring body 1 is connected by T-shaped screw 2 with the fixing other end of ring body.
Fixedly on ring body, be provided with connecting plate, be provided with bolt hole on connecting plate, the lower end of herringbone 9 is connected with connecting plate by connecting bolt, and the outer end of connecting plate is provided with hydraulic screw rod 7.
The utility model is mainly for using cross section at 1000mm 2above large-section lead ± 800kV extra high voltage direct current transmission line, then utilize the adjustable orifice on singletree to hang up charged lifting, the replacing operation that insulation coaster completes large-scale disk insulator.The concrete 6 nominal operation loads of main card are 150kN, test load 300KN, 2.5 times of coefficient of safetys.Suspension bracket live load 50KG, 2.5 times of coefficient of safetys, fail safe is good.
The above, be only preferred embodiment of the present utility model, not the utility model done to any pro forma restriction, and any simple modification that every foundation technical spirit of the present utility model is done, all still belongs in the scope of technical solutions of the utility model.

Claims (5)

1. the more changing device of a 800kV extra high voltage direct current transmission line monolithic insulator, contain singletree, it is characterized in that: the two ends of described singletree are connected with the upper end of two herringbones respectively, on described singletree, be provided with insulation coaster, the lower end of described herringbone be fixed on main card concrete on, described main card is specially hood type structure, and the centre of described herringbone is provided with connecting rod, and described singletree, herringbone and connecting rod are made by titanium alloy material.
2. the more changing device of 800kV extra high voltage direct current transmission line monolithic insulator according to claim 1, is characterized in that: on described singletree, be arranged at intervals with location hole.
3. the more changing device of 800kV extra high voltage direct current transmission line monolithic insulator according to claim 2, is characterized in that: location hole is circular hole or bar hole.
4. the more changing device of 800kV extra high voltage direct current transmission line monolithic insulator according to claim 1, it is characterized in that: main card is specifically by fixedly ring body and movable ring body form, one end of described movable ring body is connected by pin rotary type with one end of described fixedly ring body, and the other end of described movable ring body is connected by T-shaped screw with the other end of described fixedly ring body.
5. the more changing device of 800kV extra high voltage direct current transmission line monolithic insulator according to claim 4, it is characterized in that: on described fixedly ring body, be provided with connecting plate, on described connecting plate, be provided with bolt hole, the lower end of described herringbone is connected with described connecting plate by connecting bolt, and the outer end of described connecting plate is provided with hydraulic screw rod.
CN201320638283.3U 2013-10-16 2013-10-16 A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator Expired - Fee Related CN203553740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320638283.3U CN203553740U (en) 2013-10-16 2013-10-16 A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320638283.3U CN203553740U (en) 2013-10-16 2013-10-16 A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator

Publications (1)

Publication Number Publication Date
CN203553740U true CN203553740U (en) 2014-04-16

Family

ID=50471809

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320638283.3U Expired - Fee Related CN203553740U (en) 2013-10-16 2013-10-16 A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator

Country Status (1)

Country Link
CN (1) CN203553740U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104836161A (en) * 2015-05-18 2015-08-12 中国南方电网有限责任公司超高压输电公司昆明局 Hanger frame of fixed-steering pulley
CN105576550A (en) * 2014-10-11 2016-05-11 国家电网公司 Method for live-line replacement of high voltage power transmission line monolithic strain insulator
CN109928302A (en) * 2019-03-22 2019-06-25 国网上海市电力公司 A kind of insulator lifting device
CN110323694A (en) * 2019-07-09 2019-10-11 云南电网有限责任公司带电作业分公司 A kind of operational method for charged for replacement 550kN large-tonnage strain cross arm side monolithic insulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576550A (en) * 2014-10-11 2016-05-11 国家电网公司 Method for live-line replacement of high voltage power transmission line monolithic strain insulator
CN105576550B (en) * 2014-10-11 2018-08-14 国家电网公司 A kind of charged for replacement UHV transmission line single chip tension insulator method
CN104836161A (en) * 2015-05-18 2015-08-12 中国南方电网有限责任公司超高压输电公司昆明局 Hanger frame of fixed-steering pulley
CN109928302A (en) * 2019-03-22 2019-06-25 国网上海市电力公司 A kind of insulator lifting device
CN110323694A (en) * 2019-07-09 2019-10-11 云南电网有限责任公司带电作业分公司 A kind of operational method for charged for replacement 550kN large-tonnage strain cross arm side monolithic insulator

Similar Documents

Publication Publication Date Title
CN103545753B (en) Multifunctional 550kN titanium alloy closed insulator fixture
CN203553740U (en) A replacing apparatus for a 800kV extra-high voltage direct current transmission line single insulator
CN103545751B (en) Overhead transmission line ground wire optical fiber cable fitting changes support
CN203531496U (en) Falling type double-holding-rod pole erecting device
CN204237434U (en) A kind of carbon resistance rod half-blank special hanger
CN205132955U (en) Hoist and mount operation of electric power industry low latitude is with hoist and mount frame
CN203653053U (en) Special tool for hoisting cylindrical forged steel
CN204167793U (en) Straight line steel tube tower side, double loop cross-arm jig
CN202488034U (en) Lifting device for electric transmission line of angle iron tower
CN203645252U (en) 10kV insulation span frame
CN201674159U (en) Double angle-iron hanging-point insulator string electrification exchange tool
CN203813317U (en) Novel large-tonnage self-lifting type wire lifting device
CN203553744U (en) An ultra extra high voltage AC-DC overhead transmission line ground wire optical cable armour clamp replacing apparatus
CN203545559U (en) Electric meter box hoisting tool
CN203781677U (en) Trial mass device of crane
CN208135600U (en) A kind of large size wire and cable spiral wheeled support device
CN202840363U (en) Insulated lifting bracket for tension insulator chain of 1000-kV extra-high voltage alternating current circuit
CN203159027U (en) A prefabricated iron tower foundation spreader
CN204103358U (en) Equipotential replacing insulator specific purpose tool
CN205894830U (en) Steel pipe pole
CN205089034U (en) Constant diameter pole pole setting ware
CN204847756U (en) Special lifting device of box transformer
CN205151577U (en) Fix small -size hoisting machine on steel support of groove
CN204732779U (en) Synthetic insulator Simple crawling ladder
CN204131005U (en) Double loop tangent tower steeple head cross-arm jig

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20151016

EXPY Termination of patent right or utility model