CN209419096U - Transmission line of electricity block device - Google Patents

Transmission line of electricity block device Download PDF

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Publication number
CN209419096U
CN209419096U CN201821928648.5U CN201821928648U CN209419096U CN 209419096 U CN209419096 U CN 209419096U CN 201821928648 U CN201821928648 U CN 201821928648U CN 209419096 U CN209419096 U CN 209419096U
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CN
China
Prior art keywords
block
rope
transmission line
electricity
tensioning mechanism
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Active
Application number
CN201821928648.5U
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Chinese (zh)
Inventor
阎萌
张景辉
毛伟敏
董树森
张湘潭
尹泉军
杨海兴
张志远
王文义
赵风友
焦中圈
赵晔
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
State Grid Hebei Electric Power Co Ltd
Hebei Power Transmission and Transformation Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Hebei Power Transmission and Transformation Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Hebei Power Transmission and Transformation Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201821928648.5U priority Critical patent/CN209419096U/en
Application granted granted Critical
Publication of CN209419096U publication Critical patent/CN209419096U/en
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Abstract

The utility model provides a kind of transmission line of electricity block device, belong to power grid construction technical field, including riding upon two beam bearing ropes being arranged in juxtaposition on two groups of steel towers, the block that is arranged on two beam bearing ropes is arranged in the tightening system on one group of steel tower for tightening block and is arranged on another group of steel tower for tensing the tensioning mechanism of block, and tightening system and tensioning mechanism compounding practice are used for block.Transmission line of electricity block device provided by the utility model, block speed is fast, tightening system and tensioning mechanism can be remotely operated, transmission line of electricity power failure is not needed during entire block, solve Poling Construction need power cut construction, impacted to resident, construction speed it is slow, have the technical issues of security risk, with preventing article from falling, can not power cut construction, progress is fast, the technical effect of no security risk.

Description

Transmission line of electricity block device
Technical field
The utility model belongs to power grid construction technical field, is to be related to a kind of transmission line of electricity block device more specifically.
Background technique
The construction of China's high-tension line has entered the fast-developing stage, in ultra-high-tension power transmission line work progress often The case where encountering across critical facility, such as highway, railway, resident house, it is necessary to across these critical facilities into The construction of row stringing block.
Existing tension stringing crossing construction is erected power transmission lines between two groups of steel towers at regular intervals, in order to The road below steel tower or the safety of personnel are not influenced, the activities below man-hour requirement stopping steel tower being applied, as resident stops Electricity, road closed, personnel withdraw, and thus cause the power failure institute of influence, especially large area to the production and living of resident Bring influences maximum, so that power failure Poling Construction difficulty is big, in addition constructs on steel tower, it is also possible to cause tool or article It falls, security risk is caused to personnel below steel tower, so that Poling Construction progress reduces, brings loss to resident.
Utility model content
The purpose of this utility model is to provide a kind of transmission line of electricity block devices, to solve iron existing in the prior art On tower stringing need power cut construction, impacted to resident, construction speed it is slow, have the technical issues of security risk, have prevent Article falls, can not power cut construction, the characteristics of progress is fast, no security risk.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of transmission line of electricity block device, packet Construction two groups of an iron rake with three to six teeths on the ground are included, ride upon two beam bearing ropes being arranged in juxtaposition on two groups of steel towers, the two of the bearing rope End is each passed through steel tower and passes through earth anchorage on the ground, further includes the block mechanism ridden upon on bearing rope described in two beams, The block mechanism includes the block being arranged on bearing rope described in two beams, is arranged on one group of steel tower for tightening the block Tightening system and be arranged on another group of steel tower for tensing the tensioning mechanism of the block;
The block includes that block ontology of the one end on the tightening system, setting respectively can be in block ontology two sides Several links of two beam bearing ropes sliding connection;
The tightening system includes the first support platform being arranged on steel tower, is arranged at first support platform both ends And the tightener for tightening the block ontology, the output end of the tightener and the block ontology are close to the fastener The link of structure one end is connected by the first rope, and the block ontology winds the first rope by means of the tightener and can be in institute It states and stretches on bearing rope;
The tensioning mechanism includes the second support platform being arranged on steel tower, is arranged in second support platform Strainer, the output end of the strainer and the block ontology are connected close to one end of the tensioning mechanism by the second rope It connects, the block ontology winds the second rope by means of the tensioning mechanism and can stretch on the bearing rope;
The block ontology is slided on the bearing rope by means of the tightening system and the tensioning mechanism.
Further, the block mechanism further includes tensioning mechanism and the tightening system described in difference Wireless remote control Remote control panel, the tightening system further includes the first controller being electrically connected with two tighteners, and the tensioning mechanism also wraps Include the second controller being electrically connected with strainer;
The remote control panel is equipped with the first control module being wirelessly connected with first controller, controls with described second The second control module that device processed is wirelessly connected, the tightener are controlled by first control module, and the strainer is controlled by Second control module.
Further, the tightener includes the first driving motor, the output axis connection with first driving motor First reel;
The strainer includes the second driving motor, the second reel with the output axis connection of second driving motor;
One end of first rope is fixedly connected with first reel, and the other end is fixedly connected with the link, institute It states the first reel and winds first rope by means of the torsional forces of first driving motor, for the block ontology in institute It states and is slided on bearing rope;
One end of second rope is fixedly connected with second reel, the other end and the fixed company of the block ontology It connects, second reel winds second rope by means of the torsional forces of second driving motor, is used for the block sheet Body slides on the bearing rope.
Further, the block ontology is the reticular structure of the flexible nettle composition of the more connections that intersect, described The mesh node of block ontology two sides is arranged in link.
Further, the link is the ellipsoidal structure with a notch, the block ontology and the bearing rope It can be articulated in by notch on the link.
Further, the diameter of the bearing rope be all larger than first rope diameter and second rope it is straight Diameter, the bearing rope, first rope and second rope are flexible nylon rope.
Further, first driving motor and second driving motor are servo motor.
Further, the auxiliary for enhancing the block bulk strength is also connected between two adjacent nettles Rope.
The beneficial effect of transmission line of electricity block device provided by the utility model is: compared with prior art, this is practical Tightening system and tensioning mechanism, are first separately mounted on two steel towers, block are worn by novel transmission line of electricity block device On bearing rope, block is tightened mechanism and tightens and be in compressive state, and the second rope of tensioning mechanism is articulated in block ontology On, tightening system is unclamped, tensioning mechanism is started, block is tensed to and completed block operation, is not needed during entire block defeated Electric line have a power failure, solve Poling Construction need power cut construction, impacted to resident, construction speed it is slow, have security risk Technical problem, have prevent article from falling, can not power cut construction, progress is fast, the technical effect of no security risk.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of transmission line of electricity block device provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of the tightening system of transmission line of electricity block device provided by the embodiment of the utility model;
Fig. 3 is the structural schematic diagram of the tensioning mechanism of transmission line of electricity block device provided by the embodiment of the utility model;
Fig. 4 is the remote control panel structural schematic diagram of transmission line of electricity block device provided by the embodiment of the utility model;
Fig. 5 is the hanging ring structure schematic diagram of transmission line of electricity block device shown in FIG. 1.
Wherein, each appended drawing reference in figure: 1- bearing rope;2- block;21- block ontology;22- link;23- auxiliary rope;3- Tightening system;The first support platform of 31-;32- tightener;The first driving motor of 321-;The first reel of 322-;The first rope of 33-; The first controller of 34-;4- tensioning mechanism;The second support platform of 41-;42- strainer;The second driving motor of 421-;422- second Reel;The second rope of 43-;44- second controller;5- remote control panel;The first control module of 51-;The second control module of 52-.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 to Fig. 5, now transmission line of electricity block device provided by the embodiment of the utility model is said It is bright.The transmission line of electricity block device is ridden upon and is arranged in juxtaposition on two groups of steel towers including building two groups of an iron rake with three to six teeths on the ground Two beam bearing ropes 1, the both ends of the bearing rope 1 are each passed through steel tower and pass through earth anchorage on the ground, further include riding upon Block mechanism on bearing rope 1 described in two beams, the block mechanism include the block 2 being arranged on bearing rope 1 described in two beams, set It sets the tightening system 3 on one group of steel tower for tightening the block 2 and is arranged on another group of steel tower described for tensing The tensioning mechanism 4 of block 2;
The block 2 includes block ontology 21 of the one end on the tightening system 3, setting in 21 two sides of block ontology point Several links 22 that can not be slidably connected with two beam bearing ropes 1;
The tightening system 3 includes the first support platform 31 being arranged on one group of steel tower, setting in first support 31 both ends of platform and the tightener 32 for being used to tighten the block ontology 21, the output end of the tightener 32 and the block sheet Link 22 of the body 21 close to described 4 one end of tensioning mechanism is connected by the first rope 33, and the block ontology 21 is by means of described Tightener 32 winds the first rope 33 and can stretch on the bearing rope 1;
The tensioning mechanism 4 includes the second support platform 41 being arranged on another group of steel tower, is arranged at described second The strainer 42 on platform 41 is supportted, the output end of the strainer 42 and the block ontology 21 are close to the tensioning mechanism 4 One end is connected by the second rope 43, and the block ontology 21 winds the second rope 43 by means of the tensioning mechanism 4 and can be It stretches on the bearing rope 1;
The tightening system 3 does not operate simultaneously with the tensioning mechanism 4, and the block ontology 21 is by means of the tightening machine The driving force of structure 3 and the tensioning mechanism 4 slides on the bearing rope 1.
Transmission line of electricity block device provided by the embodiment of the utility model, compared with prior art, first by 3 He of tightening system Tensioning mechanism 4 is separately mounted on two steel towers, and block 2 is set on bearing rope 1, and block 2 is tightened mechanism 3 and tightens and locate It is articulated on block ontology 21 in the second rope 43 of compressive state, tensioning mechanism 4, unclamps tightening system 3, start tensioning mechanism 4, it block 2 is tensed and completes block 2 operates, transmission line of electricity power failure is not needed during entire block 2, solves Poling Construction Need power cut construction, impacted to resident, construction speed it is slow, have the technical issues of security risk, have prevent article from falling, Can not power cut construction, progress is fast, the technical effect of no security risk.
The transmission line of electricity block device of the utility model, applied in the Poling Construction of transmission line of electricity, to defeated in construction Electric line do not have to have a power failure can block 2, the length and Zhang Jindu of block 2 can be automatically controlled, eliminate it is artificial pull rope, subtract The light working strength of worker, can be operated using remote control panel 5,2 speed of block is fast, when not having to occupy very long on the ground Between, construction speed is improved, and the length of block 2 can be controlled freely, without occupying extra earth's surface, reduced to user Loss.
Tightening system 3 and tensioning mechanism 4 is respectively set on two groups of steel towers, link is installed on tensioned bearing rope 1 22, it is articulated in block ontology 21 on bearing rope 1, then the first rope 33 is articulated on the link 22 at both ends, by the second rope Rope 43 is articulated on block ontology 21, and tightening system 3 and tensioning mechanism 4 do not operate simultaneously, is first operated tightening system 3, is made to seal Net 2 is in compressive state, around rear operation tensioning mechanism 4, tenses from one end of block ontology 21 and carries out block 2 to a direction Operation, the length of block 2 can according to need free control, simply and conveniently.First driving motor and the second driving electricity The extraneous alternating current 220V of machine or 380V exchange electrical connection, and the operating for driving tightening system 3 and tensioning mechanism 4.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, the block mechanism further include the distant of tensioning mechanism 4 and the tightening system 3 described in Wireless remote control respectively Panel 5 is controlled, the tightening system 3 further includes the first controller 34 being electrically connected with two tighteners 32, and the tensioning mechanism 4 is also Including the second controller 44 being electrically connected with strainer 42;
The remote control panel 5 be equipped with the first control module 51 being wirelessly connected with first controller 34, with it is described The second control module 52 that second controller 44 is wirelessly connected, the tightener 32 are controlled by first control module 51, institute It states strainer 42 and is controlled by second control module 52.
First controller 34 and second controller 44 are the prior art, and remote control panel 5 is also the prior art, remote control panel 5 are equipped with processor, controller, wireless communication module, sending module and receiving module, the first controller 34 and second controller 44 include processor, controller, wireless communication module, sending module and receiving module, and the first controller 34 and second controls It can mutually wireless real time communication and realization wireless control, the first controller 34 and second be controlled between device 44 and remote control panel 5 The model of device 44 is all made of SR-YK20, the controller model of 5 the first control module 51 of inside of remote control panel using SR-YK20 and The controller model of second control module 52 also uses SR-YK20, has accomplished the function that can mutually communicate He remotely control, together The controller of one model, can be with the communication of realization wireless remote, and high-efficient, effect is good, facilitates stringing on the transmission line, no It can be operated with power failure, save labor intensity of workers.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, the tightener 32 include the first driving motor 321, the output axis connection with first driving motor 321 The first reel 322;In the case where the rotation of the first driving motor 321, the rotation of the first reel 322.The tightener 32 is two Set, is separately positioned on the both ends of the first support platform 31, for tightening link 22, makes multiple links 22 to close to tightener 32 Side is mobile, while operating tightener 32, can make block while movement, improves the efficiency that block receives net.
The strainer 42 includes the second driving motor 421, the with the output axis connection of second driving motor 421 Two reels 422;
One end of first rope 33 is fixedly connected with first reel 322, and the other end and the link 22 are fixed Connection, first reel 322 wind first rope 33 by means of the torsional forces of first driving motor 321, are used for The block ontology 21 slides on the bearing rope 1;The rotation of first reel 322 drives the movement of the first rope 33, makes the first rope Rope 33 is wrapped on the first reel 322, and for tightening block 2, is tightened more convenient;
One end of second rope 43 is fixedly connected with second reel 422, the other end and the block ontology 21 It being fixedly connected, second reel 422 winds second rope 43 by means of the torsional forces of second driving motor 421, It is slided on the bearing rope 1 for the block ontology 21.The rotation of second reel 422 drives the movement of the second rope 43, makes the Two ropes 43 are wrapped on the second reel 422, and for tensing block 2, and block 2 is in unfolded state, is tensed more convenient;
Tightener 32 is consistent with the structural principle of strainer 42, and tightener 32 is to make block for shrinking block ontology 21 Ontology 21 saves space;Strainer 42 is so that block ontology 21 is in tension for tensing block ontology 21, in frame Space when line is constructed above isolation stringing route, guarantees to cause to damage to personnel or building during Poling Construction Wound.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, the block ontology 21 are the reticular structure of the flexible nettle composition of the more connections that intersect, the link 22 are arranged in the mesh node of 21 two sides of block ontology.The two sides of block ontology 21 are respectively provided with several links 22, hang Ring 22 is directly hung on block ontology 21, is played the role of connecting bearing rope 1 and be slided on bearing rope 1, eventually will envelope The compression of net 2 or expansion.Likewise, the movement of control block 2 can be carried out on the ground, the operation of remote control panel 5 is also more suitable Benefit.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, the link 22 are the ellipsoidal structure with a notch, and the block ontology 21 and the bearing rope 1 are equal It can be articulated on the link 22 by notch.Link 22 can be picked and placed freely on bearing rope 1, can with block ontology 21 It is detachably connected with, connection is more convenient, installs easy to operate.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, the diameter of the bearing rope 1 are all larger than the diameter of first rope 33 and the diameter of second rope 43, The bearing rope 1, first rope 33 and second rope 43 are flexible nylon rope.Nylon rope is by nylon material system At rope, flexible and hardness is relatively high, and wear resistant corrosion resistant is applied on block device, and use is durable.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment, first driving motor 321 and second driving motor 421 are servo motor.Servo motor can be with Control, position precision is more accurate, and reaction speed is fast.
A kind of tool also referring to Fig. 1 to Fig. 5, as transmission line of electricity block device provided by the embodiment of the utility model Body embodiment is also connected with the auxiliary rope 23 for enhancing 21 intensity of block ontology between two adjacent nettles. Auxiliary rope 23 is for enhancing 21 intensity of block ontology, and auxiliary rope 23 is arranged at the diamond shape space of block ontology 21, is increased The block density for sealing up net ontology 21, the effect for also playing protection worker, protecting building.
The use process and beneficial effect of the utility model are: in use, first dividing tightening system 3 and tensioning mechanism 4 It not being mounted on two steel towers, block 2 is set on bearing rope 1, block 2 is tightened mechanism 3 and tightens and be in compressive state, Second rope 43 of tensioning mechanism 4 is articulated on block ontology 21, unclamps tightening system 3, starts tensioning mechanism 4, block 2 is drawn Tightly and the operation of block 2 is completed, in addition can carry out remote control operation, without operating on steel tower, tensioning mechanism 4 on the ground Degrees of tensions can be controlled on remote control panel 5 by the winding degree of strainer 42, do not need during block 2 defeated Electric line have a power failure, solve Poling Construction and need to have a power failure, impacted to resident, construction speed it is slow, have the technology of security risk Problem, have prevent article from falling, can not power cut construction, progress is fast, the technical effect of no security risk.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (8)

1. transmission line of electricity block device, including building two groups of an iron rake with three to six teeths on the ground, rides upon and be arranged in juxtaposition on two groups of steel towers Two beam bearing ropes, the both ends of the bearing rope are each passed through steel tower and pass through earth anchorage on the ground, it is characterised in that: also wrap The block mechanism ridden upon on bearing rope described in two beams is included, the block mechanism includes the envelope being arranged on bearing rope described in two beams Net is arranged in the tightening system on one group of steel tower for tightening the block and is arranged on another group of steel tower for tensing The tensioning mechanism of the block;
The block includes that block ontology of the one end on the tightening system, setting respectively can be with two beams in block ontology two sides Several links of bearing rope sliding connection;
The tightening system includes the first support platform being arranged on steel tower, is arranged and is used in combination at first support platform both ends In the tightener for tightening the block ontology, the output end of the tightener and the block ontology are close to the tensioning mechanism one The link at end is connected by the first rope, and the block ontology winds the first rope by means of the tightener and can hold described It stretches on support rope;
The tension that the tensioning mechanism includes the second support platform being arranged on steel tower, is arranged in second support platform Device, the output end of the strainer are connect close to one end of the tensioning mechanism by the second rope with the block ontology, institute Block ontology is stated to wind the second rope by means of the tensioning mechanism and can stretch on the bearing rope;
The block ontology is slided on the bearing rope by means of the tightening system and the tensioning mechanism.
2. transmission line of electricity block device as described in claim 1, it is characterised in that: the block mechanism further includes wireless respectively The remote control panel of the tensioning mechanism and the tightening system is remotely controlled, the tightening system further includes and two tightener electricity First controller of connection, the tensioning mechanism further includes the second controller being electrically connected with strainer;
The remote control panel is equipped with the first control module being wirelessly connected with first controller and the second controller The second control module being wirelessly connected, the tightener are controlled by first control module, and the strainer is controlled by described Second control module.
3. transmission line of electricity block device as described in claim 1, it is characterised in that: the tightener includes the first driving electricity Machine, the first reel with the output axis connection of first driving motor;
The strainer includes the second driving motor, the second reel with the output axis connection of second driving motor;
One end of first rope is fixedly connected with first reel, and the other end is fixedly connected with the link, and described One reel winds first rope by means of the torsional forces of first driving motor, holds for the block ontology described It is slided on support rope;
One end of second rope is fixedly connected with second reel, and the other end is fixedly connected with the block ontology, institute It states the second reel and winds second rope by means of the torsional forces of second driving motor, for the block ontology in institute It states and is slided on bearing rope.
4. transmission line of electricity block device as described in claim 1, it is characterised in that: the block ontology is more and intersects The mesh node of block ontology two sides is arranged in the reticular structure of the flexible nettle composition of connection, the link.
5. transmission line of electricity block device as described in claim 1, it is characterised in that: the link is ellipse with notch Circular configuration, the block ontology and the bearing rope can be articulated on the link by notch.
6. transmission line of electricity block device as claimed in claim 3, it is characterised in that: the diameter of the bearing rope is all larger than described The diameter of the diameter of first rope and second rope, the bearing rope, first rope and second rope are Flexible nylon rope.
7. transmission line of electricity block device as claimed in claim 3, it is characterised in that: first driving motor and described second Driving motor is servo motor.
8. transmission line of electricity block device as claimed in claim 4, it is characterised in that: be also connected between two adjacent nettles There is the auxiliary rope for enhancing the block bulk strength.
CN201821928648.5U 2018-11-21 2018-11-21 Transmission line of electricity block device Active CN209419096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821928648.5U CN209419096U (en) 2018-11-21 2018-11-21 Transmission line of electricity block device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821928648.5U CN209419096U (en) 2018-11-21 2018-11-21 Transmission line of electricity block device

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Publication Number Publication Date
CN209419096U true CN209419096U (en) 2019-09-20

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111864627A (en) * 2020-07-24 2020-10-30 天津送变电工程有限公司 Automatic recovery type removes insulating auxiliary net of bird's nest
CN111884124A (en) * 2020-07-15 2020-11-03 宁夏荣光电力工程有限公司 Electrified crossing net sealing device and use method thereof
CN112467669A (en) * 2020-11-03 2021-03-09 广东电网有限责任公司 External damage protection device is prevented to transmission line
CN112886475A (en) * 2021-01-07 2021-06-01 国网江苏省电力有限公司建设分公司 Construction protection network structure is strideed across in transmission line unwrapping wire
CN113541042A (en) * 2021-09-09 2021-10-22 国家电网有限公司 Power transmission line multifunctional aerial working vehicle screen sealing construction method
CN113824046A (en) * 2021-09-18 2021-12-21 广东电网有限责任公司广州供电局 Automatic net sealing device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884124A (en) * 2020-07-15 2020-11-03 宁夏荣光电力工程有限公司 Electrified crossing net sealing device and use method thereof
CN111884124B (en) * 2020-07-15 2021-05-28 宁夏荣光电力工程有限公司 Electrified crossing net sealing device and use method thereof
CN111864627A (en) * 2020-07-24 2020-10-30 天津送变电工程有限公司 Automatic recovery type removes insulating auxiliary net of bird's nest
CN111864627B (en) * 2020-07-24 2022-01-21 天津送变电工程有限公司 Automatic recovery type removes insulating auxiliary net of bird's nest
CN112467669A (en) * 2020-11-03 2021-03-09 广东电网有限责任公司 External damage protection device is prevented to transmission line
CN112467669B (en) * 2020-11-03 2022-09-30 广东电网有限责任公司 External damage protection device is prevented to transmission line
CN112886475A (en) * 2021-01-07 2021-06-01 国网江苏省电力有限公司建设分公司 Construction protection network structure is strideed across in transmission line unwrapping wire
CN112886475B (en) * 2021-01-07 2022-06-10 国网江苏省电力有限公司建设分公司 Construction protection network structure is strideed across in transmission line unwrapping wire
CN113541042A (en) * 2021-09-09 2021-10-22 国家电网有限公司 Power transmission line multifunctional aerial working vehicle screen sealing construction method
CN113541042B (en) * 2021-09-09 2022-08-26 国家电网有限公司 Power transmission line multifunctional aerial operation vehicle screen sealing construction method
CN113824046A (en) * 2021-09-18 2021-12-21 广东电网有限责任公司广州供电局 Automatic net sealing device

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