CN110190572A - A kind of deicer of cable - Google Patents

A kind of deicer of cable Download PDF

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Publication number
CN110190572A
CN110190572A CN201910560687.7A CN201910560687A CN110190572A CN 110190572 A CN110190572 A CN 110190572A CN 201910560687 A CN201910560687 A CN 201910560687A CN 110190572 A CN110190572 A CN 110190572A
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CN
China
Prior art keywords
cable
fixed ring
shell
component
deicer
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
CN201910560687.7A
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Chinese (zh)
Other versions
CN110190572B (en
Inventor
袁一鸣
葛愿
江明
高文根
刘富春
程升辉
欧运运
万宇峰
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.)
Anhui Polytechnic University
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Anhui Polytechnic University
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Filing date
Publication date
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Priority to CN201910560687.7A priority Critical patent/CN110190572B/en
Publication of CN110190572A publication Critical patent/CN110190572A/en
Application granted granted Critical
Publication of CN110190572B publication Critical patent/CN110190572B/en
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Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/16Devices for removing snow or ice from lines or cables

Abstract

The invention discloses a kind of deicers of cable, comprising: shell, both ends are equipped with via hole, for across cable;Both ends inside housings are arranged in support component, for shell stability to be placed on cable;Walking component, is arranged both ends inside housings, moves for drive shell along cable length direction;Middle-end inside housings is arranged in shredder assemblies, for crushing the ice cube adhered on cable;The middle part lower end of shell is arranged in melting chamber;Component is melted, for the ice cube for melting indoor reception to be fused into liquid;Power Component, it is used to provide power to walking component, shredder assemblies and fusing component, the present apparatus is directly erected on cable, is loaded and unloaded without repeating, by crushing in the process of moving to ice cube, the ice cube of cable surface is set to fall off naturally, the weight bearing of cable is reduced, deicing efficiency is high, high degree of automation, the ice cube fallen is then exhausted from after being melted to liquid by fusing component, keeps ice detachment safer.

Description

A kind of deicer of cable
Technical field
The present invention relates to electric system maintenance areas, particularly relate to a kind of deicer of cable.
Background technique
In winter, it often will appear icing phenomenon on many high-tension cables, when icing weight is more than what cable can bear When range, easily there is sagging high-tension cable, fracture or high voltage power transmission bar and forgotten about it, large-area power-cuts is caused, to everybody day Often life brings great inconvenience.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of deicer of cable, to solve in aforementioned background art Whole defects or one of.
Deicer based on above-mentioned purpose cable provided by the invention, comprising:
Shell, both ends are equipped with via hole, for across cable;
Both ends inside housings are arranged in support component, for shell stability to be placed on cable;
Walking component, is arranged both ends inside housings, moves for drive shell along cable length direction;
Middle-end inside housings is arranged in shredder assemblies, for crushing the ice cube adhered on cable;
The middle part lower end of shell is arranged in melting chamber, for receiving the ice cube fallen after shredder assemblies crush, bottom Equipped with outlet;
Component is melted, for the ice cube for melting indoor reception to be fused into liquid;
Power Component is used to provide power to walking component, shredder assemblies and fusing component.
Optionally, the shredder assemblies include the electromagnetism push rod and bracket two for being fixed on case top middle-end, the bracket Two lower end is fixed with fixed ring two, is evenly equipped with several compression bars two along its center in the fixed ring two, the compression bar two passes through It being through at fixed ring two and is slidably connected with fixed ring two, the compression bar two is equipped with magnet one far from the bicentric one end of fixed ring, The other end of the compression bar two is equipped with anti-drop block, is arranged with spring two on the compression bar two, the spring two be located at anti-drop block and Between the inner wall of fixed ring two, the output end of the electromagnetism push rod is equipped with link block, and the lower end of the link block is equipped with and fixation The concentric fixed ring three of ring two, the inner wall of the fixed ring three are equipped with several magnet two being aligned with magnet one, the electromagnetism The reciprocating motion that push rod is used to that fixed ring three to be driven to do close to and far from fixed ring two.
Optionally, the support component includes the wheel support one for being symmetricly set on case top both ends and bottom both ends, institute The opposite one end of wheel support one is stated equipped with support wheel, the symmetrical centre of the support wheel is overlapped with the center of fixed ring two.
Optionally, the walking component includes the wheel support two that case top both ends are arranged in, under the wheel support two End is equipped with idler wheel, and the side of the wheel support two is equipped with the decelerating motor of driving idler wheel rotation, if the surface of the idler wheel is equipped with Dry anti-skid bulge.
Optionally, the fusing component includes the pillar that melting chamber bottom is arranged in, and the upper end of the pillar, which is fixed with, to be added Hot plate, the heating plate are equipped with several water holes.
Optionally, the both ends of the melting chamber are equipped with bracket one, and the top of the bracket one is equipped with concentric with fixed ring two Fixed ring one, be evenly equipped with several compression bars one along its center in the fixed ring one, the compression bar one through fixed ring one, The one end at the compression bar one towards one center of fixed ring is equipped with tabletting, and the one side at the tabletting towards one center of fixed ring is equipped with ring The sponge of shape is arranged with spring one on the compression bar one, and the spring one is between tabletting and the inner wall of fixed ring one.
Optionally, the bottom of the melting chamber is additionally provided with water pump, and the water inlet of the water pump passes through pipeline and melting chamber The water outlet of outlet connection, the water pump is equipped with atomizer.
Optionally, the Power Component includes the battery of setting inside housings.
Optionally, the top of the shell is equipped with solar charging panel, and the solar charging panel electrically connects with battery It connects.
From the above it can be seen that the deicer of cable provided by the invention, has the advantages that the present apparatus is direct It is erected on cable, is loaded and unloaded without repeating, by crushing in the process of moving to ice cube, make the ice cube of cable surface certainly It so falls off, reduces the weight bearing of cable, deicing efficiency is high, and high degree of automation, the ice cube fallen is melted to liquid by fusing component After be then exhausted from, keep ice detachment safer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of deicer of the invention;
Fig. 2 is the A direction view of shredder assemblies in Fig. 1;
Fig. 3 is the partial structure diagrams such as fixed ring one and the sponge of deicer of the invention.
Wherein, 1- shell, 2- via hole, 3- cable, 4- support wheel, 5- wheel support one, 6- melting chamber, 7- atomizer, 8- Water pump, 9- heating plate, 10- pillar, 11- water hole, 12- bracket one, 13- compression bar one, 14- fixed ring one, 15- fixed ring two, 16- bracket two, 17- magnet one, 18- solar charging panel, 19- fixed ring three, 20- link block, 21- electromagnetism push rod, 22- wheel branch Frame two, 23- decelerating motor, 24- idler wheel, 25- anti-skid bulge, 26- sponge, 27- tabletting, 28- spring one, 29- magnet two, 30- Compression bar two, 31- spring two, 32- anti-drop block, 33- battery.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer It is interpreted as the restriction to the embodiment of the present invention, the direction and position term that furthermore the present invention is previously mentioned, such as "upper", " in ", " Under ", "front", "rear", "left", "right", "inner", "outside", " side " etc., be only the direction and position with reference to annexed drawings, therefore, The direction and position term used is to illustrate and understand the present invention, rather than to limit subsequent embodiment of the present invention to this not An another explanation.
Deicer based on a kind of cable that above-mentioned purpose provides, comprising:
Shell 1, both ends are equipped with via hole 2, for across cable 3;
The both ends inside shell 1 are arranged in support component, for by shell 1 it is stable be placed on cable 3;
Walking component, is arranged in the both ends inside shell 1, moves for drive shell 1 along 3 length direction of cable;
The middle-end inside shell 1 is arranged in shredder assemblies, and the ice cube for will adhere on cable 3 crushes;
The middle part lower end of shell 1 is arranged in melting chamber 6, for receiving the ice cube fallen after shredder assemblies crush, bottom Portion is equipped with outlet;
Component is melted, for received ice cube in melting chamber 6 to be fused into liquid;
Power Component is used to provide power to walking component, shredder assemblies and fusing component.
Shown in referring to Fig.1, as one embodiment, the deicer of cable of the invention, cable 3 is from 1 both ends of shell Via hole 2, which penetrates, to be pierced by, and support component makes shell 1 is stable to be placed on cable 3, when ice detachment is desired, is driven by walking component Dynamic shell 1 is moved along the length direction of cable 3, and in the process of moving, shredder assemblies are to the ice cube adhered on cable 3 It is crushed, smashed ice cube is fallen naturally in the melting chamber 6 of 1 bottom of shell, and the fusing component in melting chamber 6 is to falling Ice cube carry out heating so that it is melted to liquid, final liquid is expelled to outside shell 1 from the outlet of melting chamber 6, to complete Deicing, the present apparatus are directly erected on cable 3, are loaded and unloaded without repeating, by crushing in the process of moving to ice cube, are made The ice cube on 3 surface of cable falls off naturally, reduces the weight bearing of cable 3, and deicing efficiency is high, high degree of automation, the ice cube fallen by Fusing component is then exhausted from after being melted to liquid, keeps ice detachment safer.
In some optional embodiments, as shown in Fig. 2, the shredder assemblies include the electricity for being fixed on 1 top middle-end of shell Magnetic push rod 21 and bracket 2 16, the lower end of the bracket 2 16 are fixed with fixed ring 2 15, along wherein in the fixed ring 2 15 The heart is evenly equipped with several compression bars 2 30, and the compression bar 2 30 is slidably connected through fixed ring 2 15 and with fixed ring 2 15, institute It states compression bar 2 30 and is equipped with magnet 1 far from the one end at 2 15 center of fixed ring, the other end of the compression bar 2 30 is equipped with anti-drop block 32, anti-drop block 32 makes compression bar 2 30 not slip away from fixed ring 2 15 with magnet 1, is arranged with bullet on the compression bar 2 30 Spring 2 31, the spring 2 31 is between anti-drop block 32 and the inner wall of fixed ring 2 15, the output end of the electromagnetism push rod 21 Equipped with link block 20, the lower end of the link block 20 is equipped with the fixed ring three 19 concentric with fixed ring 2 15, the fixed ring three 19 inner wall is equipped with several magnet 2 29 being aligned with magnet 1, and the electromagnetism push rod 21 is for driving fixed ring 3 19 to do Reciprocating motion close and far from fixed ring 2 15, by cable 3 through fixed ring 2 15 and fixed ring 3 19, when shell 1 exists When mobile, the synchronous progress of electromagnetism push rod 21 back and forth drives work, electromagnetism push rod 21 push fixed ring 3 19 duplicate close and Far from fixed ring 2 15, when fixed ring 3 19 is close to fixed ring 2 15, magnet 1 and the magnet 2 29 aligned are attracting, So that compression bar 2 30 presses the direction movement far from 2 15 center of fixed ring, to make spring 2 31 be compressed, when fixed ring 3 19 When far from fixed ring 2 15, magnet 1 increases at a distance from magnet 2 29, and mutual attractive force reduces, in the work of spring 2 31 Under, compression bar 2 30 is slided quickly toward the center of fixed ring 2 15, i.e., mobile towards the cable 3 through fixed ring 2 15, 2 30 pairs of 3 surfaces of cable of the compression bar fast moved are hit, and keep the ice cube on 3 surface of cable pulverized, fixed ring 3 19 repeats Close and far from fixed ring 2 15 the movement carried out, is repeated compression bar 2 30 and pulls to magnet 2 29 and then discharge and hit electricity Ice cube on cable 3, multiple uniformly distributed compression bars 2 30 are hit from ice cube of the different location to 3 surface of cable, make its surface Ice cube is uniformly crushed, and is crushed by way of repeated impact to ice cube, compared to the prior art direct-fired side Formula is more safe and reliable, so fine that protect to cable 3.
In some optional embodiments, the support component includes being symmetricly set on 1 top both ends of shell and bottom both ends Wheel support 1, the opposite one end of the wheel support 1 be equipped with support wheel 4, the symmetrical centre and fixed ring of the support wheel 4 2 15 center is overlapped, and the cable 3 through shell 1 is between support wheel 4 symmetrical above and below, and symmetrical support wheel 4 is to cable 3 Interlocking is formed, makes shell 1 is stable to be placed on cable 3.
In some optional embodiments, the walking component includes the wheel support 2 22 that 1 top both ends of shell are arranged in, institute The lower end for stating wheel support 2 22 is equipped with idler wheel 24, and the side of the wheel support 2 22 is equipped with the decelerating motor that driving idler wheel 24 rotates 23, the surface of the idler wheel 24 is equipped with several anti-skid bulges 25, drives idler wheel 24 to rotate by decelerating motor 23, idler wheel 24 The frictional force of idler wheel 24 Yu cable 3 can be improved in the anti-skid bulge 25 that surface is equipped with, and avoids the occurrence of skidding, it is ensured that shell 1 is just It is often mobile.
In some optional embodiments, the fusing component includes the pillar 10 that 6 bottom of melting chamber is arranged in, the pillar 10 upper end is fixed with heating plate 9, and the heating plate 9 is equipped with several water holes 11, and smashed ice cube falls in heating plate 9 Upper melted by heat at liquid, and from water hole 11, then arrange from the outlet of 6 bottom of melting chamber to the bottom of melting chamber 6 by leakage Out.
In some optional embodiments, as shown in figure 3, the both ends of the melting chamber 6 are equipped with bracket 1, the bracket one 12 top is equipped with the fixed ring one 14 concentric with fixed ring 2 15, is evenly equipped with several along its center in the fixed ring 1 Compression bar 1, the compression bar 1 are set through fixed ring 1, the one end at the compression bar 1 towards one 14 center of fixed ring There is tabletting 27, the tabletting 27 is equipped with the sponge 26 of annular towards the one side at one 14 center of fixed ring, covers on the compression bar 1 Equipped with spring 1, for the spring 1 between tabletting 27 and the inner wall of fixed ring 1, sponge 26 is set in cable 3 On, under the action of spring 1, tabletting 27 is pressed on 26 surface of sponge by compression bar 1, so that sponge 26 is pressed on cable 3 surfaces, in the moving process of shell 1, sponge 26 further scrapes broken ice cube, and wipes 3 surface of cable It wipes, to remove the liquid of 3 surface of cable attachment, avoids secondary freeze.
In some optional embodiments, the bottom of the melting chamber 6 is additionally provided with water pump 8, and the water inlet of the water pump 8 passes through Pipeline is connected to the outlet of melting chamber 6, and the water outlet of the water pump 8 is equipped with atomizer 7, and water pump 8 will melt in melting chamber 6 Liquid be sucked out, and outside is ejected to by atomizer 7, eliminates liquid and drop to influence caused by ground.
In some optional embodiments, the Power Component includes the battery 33 being arranged in inside shell 1, battery 33 Normal work of the electric energy of storage for components such as decelerating motor 23, heating plate 9 and water pumps 8.
In some optional embodiments, the top of the shell 1 is equipped with solar charging panel 18, the solar charging panel 18 are electrically connected with battery 33, convert the solar into electric energy and are stored in battery 33, normal for electrical component Work, improve the present apparatus continues working ability.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples;Under thinking of the invention, above embodiments Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
In addition, to simplify explanation and discussing, and in order not to obscure the invention, it can in provided attached drawing It is connect with showing or can not show with the well known power ground of integrated circuit (IC) chip and other components.Furthermore, it is possible to Device is shown in block diagram form, to avoid obscuring the invention, and this has also contemplated following facts, i.e., about this The details of the embodiment of a little block diagram arrangements be height depend on will implementing platform of the invention (that is, these details should It is completely within the scope of the understanding of those skilled in the art).Elaborating that detail (for example, circuit) is of the invention to describe In the case where exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details In the case where or implement the present invention in the case that these details change.Therefore, these descriptions should be considered as explanation Property rather than it is restrictive.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.Example Such as, discussed embodiment can be used in other memory architectures (for example, dynamic ram (DRAM)).
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims, Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made Deng should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of deicer of cable characterized by comprising
Shell (1), both ends are equipped with via hole (2), for across cable (3);
The both ends internal in shell (1) are arranged in support component, for by shell (1) it is stable be placed on cable (3);
The both ends internal in shell (1) are arranged in walking component, mobile along cable (3) length direction for drive shell (1);
The middle-end internal in shell (1) is arranged in shredder assemblies, for crushing the ice cube adhered on cable (3);
Melting chamber (6), setting is in the middle part lower end of shell (1), for receiving the ice cube fallen after shredder assemblies crush, bottom Portion is equipped with outlet;
Component is melted, for received ice cube in melting chamber (6) to be fused into liquid;
Power Component is used to provide power to walking component, shredder assemblies and fusing component.
2. the deicer of cable according to claim 1, which is characterized in that the shredder assemblies include being fixed on shell (1) the electromagnetism push rod (21) and bracket two (16) of top middle-end, the lower end of the bracket two (16) are fixed with fixed ring two (15), Several compression bars two (30) are evenly equipped with along its center on the fixed ring two (15), and the compression bar two (30) is through fixed ring two (15) and with fixed ring two (15) it is slidably connected, the compression bar two (30) is equipped with magnet far from the one end at fixed ring two (15) center The other end of one (17), the compression bar two (30) is equipped with anti-drop block (32), is arranged with spring two (31) on the compression bar two (30), The spring two (31) is located between anti-drop block (32) and the inner wall of fixed ring two (15), the output end of the electromagnetism push rod (21) Equipped with link block (20), the lower end of the link block (20) is equipped with the fixed ring three (19) concentric with fixed ring two (15), described The inner wall of fixed ring three (19) is equipped with several magnet two (29) being aligned with magnet one (17), and the electromagnetism push rod (21) is used for The reciprocating motion close to and far from fixed ring two (15) is done in driving fixed ring three (19).
3. the deicer of cable according to claim 2, which is characterized in that the support component includes being symmetricly set on The wheel support one (5) at both ends and bottom both ends at the top of shell (1), the opposite one end of the wheel support one (5) are equipped with support wheel (4), the symmetrical centre of the support wheel (4) is overlapped with the center of fixed ring two (15).
4. the deicer of cable according to claim 1, which is characterized in that the walking component includes being arranged in shell (1) lower end of the wheel support two (22) at top both ends, the wheel support two (22) is equipped with idler wheel (24), the wheel support two (22) Side be equipped with the decelerating motor (23) of driving idler wheel (24) rotation, the surface of the idler wheel (24) is equipped with several anti-skid bulges (25)。
5. the deicer of cable according to claim 1, which is characterized in that the fusing component includes that setting is being melted The upper end of the pillar (10) of room (6) bottom, the pillar (10) is fixed with heating plate (9), and the heating plate (9) is equipped with several A water hole (11).
6. the deicer of cable according to claim 2, which is characterized in that the both ends of the melting chamber (6) are equipped with branch The top of frame one (12), the bracket one (12) is equipped with the fixed ring one (14) concentric with fixed ring two (15), the fixed ring Several compression bars one (13) are evenly equipped with along its center on one (14), the compression bar one (13) is described through fixed ring one (14) The one end at compression bar one (13) towards fixed ring one (14) center is equipped with tabletting (27), and the tabletting (27) is towards fixed ring one (14) The one side at center is equipped with the sponge (26) of annular, is arranged with spring one (28), the spring one (28) on the compression bar one (13) Between tabletting (27) and the inner wall of fixed ring one (14).
7. the deicer of cable according to claim 1, which is characterized in that the bottom of the melting chamber (6) is additionally provided with The water inlet of water pump (8), the water pump (8) is connected to by pipeline with the outlet of melting chamber (6), the water outlet of the water pump (8) Mouth is equipped with atomizer (7).
8. the deicer of cable according to claim 1, which is characterized in that the Power Component includes being arranged in shell (1) internal battery (33).
9. the deicer of cable according to claim 8, which is characterized in that the top of the shell (1) is equipped with the sun It can charging panel (18), the solar charging panel (18) and battery (33) electric connection.
CN201910560687.7A 2019-06-26 2019-06-26 Deicing device of cable Active CN110190572B (en)

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Application Number Priority Date Filing Date Title
CN201910560687.7A CN110190572B (en) 2019-06-26 2019-06-26 Deicing device of cable

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Application Number Priority Date Filing Date Title
CN201910560687.7A CN110190572B (en) 2019-06-26 2019-06-26 Deicing device of cable

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CN110190572B CN110190572B (en) 2020-10-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110649553A (en) * 2019-09-12 2020-01-03 孙倩兰 Utilize mechanism to rotate high-voltage line descaling machine of clearance snow ponding on high-voltage line
CN110820604A (en) * 2019-10-11 2020-02-21 合肥工业大学 Crawling deicing and snow removing device
CN111049087A (en) * 2020-01-13 2020-04-21 金华表征电子科技有限公司 Ice breaking maintenance device for power supply line
CN111431120A (en) * 2020-04-02 2020-07-17 王菊明 Cable deicing equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011005138A1 (en) * 2009-07-07 2011-01-13 Petaev Vladimir Vasilievich Method for moving an ice removing tool along an overhead power transmission cable and a device for carrying out said method (variants)
CN201766335U (en) * 2010-09-14 2011-03-16 贵州大学 Portable cable ice crusher
CN203850796U (en) * 2014-04-03 2014-09-24 王岚 Solar electrical network defroster
CN106329450A (en) * 2016-11-25 2017-01-11 淅川县电业局 On-line de-icing device for power transmission line
CN207926145U (en) * 2018-03-30 2018-09-28 赵键 Deicer for power transmission line

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011005138A1 (en) * 2009-07-07 2011-01-13 Petaev Vladimir Vasilievich Method for moving an ice removing tool along an overhead power transmission cable and a device for carrying out said method (variants)
CN201766335U (en) * 2010-09-14 2011-03-16 贵州大学 Portable cable ice crusher
CN203850796U (en) * 2014-04-03 2014-09-24 王岚 Solar electrical network defroster
CN106329450A (en) * 2016-11-25 2017-01-11 淅川县电业局 On-line de-icing device for power transmission line
CN207926145U (en) * 2018-03-30 2018-09-28 赵键 Deicer for power transmission line

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110649553A (en) * 2019-09-12 2020-01-03 孙倩兰 Utilize mechanism to rotate high-voltage line descaling machine of clearance snow ponding on high-voltage line
CN110649553B (en) * 2019-09-12 2021-05-11 绍兴漫翱创腾智能机械股份有限公司 Utilize mechanism to rotate high-voltage line descaling machine of clearance snow ponding on high-voltage line
CN110820604A (en) * 2019-10-11 2020-02-21 合肥工业大学 Crawling deicing and snow removing device
CN111049087A (en) * 2020-01-13 2020-04-21 金华表征电子科技有限公司 Ice breaking maintenance device for power supply line
CN111431120A (en) * 2020-04-02 2020-07-17 王菊明 Cable deicing equipment

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