CN107919642B - device for preventing cable snow - Google Patents
device for preventing cable snow Download PDFInfo
- Publication number
- CN107919642B CN107919642B CN201711303998.2A CN201711303998A CN107919642B CN 107919642 B CN107919642 B CN 107919642B CN 201711303998 A CN201711303998 A CN 201711303998A CN 107919642 B CN107919642 B CN 107919642B
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- cable
- sliding
- cylinder
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention belongs to the field of power maintenance, and particularly relates to a device for preventing cables from being accumulated with snow. The wind power generator comprises a wind-facing cylinder sleeved on a cable, two end covers fixedly installed at two ends of the wind-facing cylinder, two annular sliding rings arranged at two ends of the inner wall of the wind-facing cylinder, and a plurality of long connecting rods connected between the two sliding rings. The snow cover scraper enables snow cover on the fan blade to fall off in the rotating process, and simultaneously scrapes off the snow cover on the cable in the moving process of the windward cylinder; when the wind acts on the fan, the rotation and the moving speed of the windward cylinder can be accelerated, and the snow removing efficiency is accelerated.
Description
Technical Field
The invention belongs to the field of power maintenance, and particularly relates to a device for preventing cables from being accumulated with snow.
Background
Along with the increase of electric power project to make electric power maintenance work more and more, especially in the area that winter sleet weather is more, often appear because the cable snow too much causes the damage of cable and press the breakage even, thereby make electric power interrupt, the road that arrives to maintain the cable often is not unobstructed during heavy snow, makes maintenance work can't in time develop, and the snow removing mode efficiency that beats that adopts at present is lower.
Application No. 201610751909.x discloses a rotary-type wire snow protection device, which uses the weight difference of snow on three snow-accumulating plates to rotate a rolling assembly, thereby dropping the snow on the snow-accumulating plates. However, the range of the snow protection mode is the length of the whole hollow circular tube and the snow removal rod, and in order to achieve the snow protection purpose, the total length of the snow protection mode or the sum of the lengths of the multiple sections of snow protection devices is close to the distance between two telegraph poles, so that the load bearing capacity of the telegraph poles is increased, and the cost is higher; after the cable is installed, the middle part of the telegraph pole sinks due to dead weight, the cable is in an arc shape, the rotation angle of the rolling assembly is limited, and the snow prevention effect is reduced.
disclosure of Invention
The technical problem to be solved by the invention is as follows: to the deficiency that prior art exists, provide a device for preventing cable snow.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: the wind power generator comprises a wind-facing cylinder sleeved on a cable, two end covers fixedly arranged at two ends of the wind-facing cylinder, two annular sliding rings arranged at two ends of the inner wall of the wind-facing cylinder, and a plurality of long connecting rods connected between the two sliding rings;
The air-receiving cylinder comprises a cylindrical cylinder body sleeved on the cable; two spiral blades are symmetrically formed on the outer wall of the windward cylinder; the sections of the two spiral fan blades form an S shape;
A plurality of sliding grooves are formed at two ends of the inner wall of the windward cylinder and are distributed along the circumferential direction of the windward cylinder; the sliding blocks with the same number as the sliding grooves are formed on the periphery of the sliding ring; each sliding block is in sliding connection with the corresponding sliding groove, and the sliding grooves limit one end of the sliding block stroke; the inner wall of the sliding ring is fixedly connected with a plurality of connecting pins which are distributed at equal intervals along the circumferential direction; a plurality of first connecting lugs are formed at one end of each sliding ring at equal intervals along the circumferential direction; the connecting pins and the first connecting lugs are staggered in the circumferential direction of the sliding ring; the connecting pins on the two sliding rings correspond to each other in pairs respectively, and the connecting line of the two corresponding connecting pins is parallel to the axis of the windward cylinder;
a plurality of mounting holes are formed in the wall of the air-facing barrel corresponding to the first connecting lugs; a travelling wheel facing to the cable is installed on each mounting hole; the travelling wheel comprises an installation part fixedly connected to the installation hole and a rotating part rotatably connected with the installation part; a second connecting lug is formed on the outer wall of the rotating part towards the first connecting lug;
A short connecting rod is connected between the first connecting lug and the second connecting lug; the short connecting rod is hinged with the first connecting lug and the second connecting lug respectively;
a long connecting rod is fixedly connected between the two corresponding connecting pins; two ends of the long connecting rod are respectively and fixedly connected with two iron blocks;
Two external threads are formed at two ends of the outer wall of the wind-facing barrel respectively; the end cover comprises a cover body fixedly connected to the end part of the wind-facing barrel; an internal thread in threaded connection with the external thread is formed on the inner wall of the cover body; an annular cover ring for limiting the stroke of the other end of the sliding block is formed on the inner wall of the cover body; a plurality of scrapers facing the cable are formed in the middle of the cover ring;
the outer end of each cover ring is provided with an annular contact end; a plurality of extension columns are fixedly connected between the cover ring and the contact end; the outer end of the contact end is provided with a contact switch;
An annular electromagnet is arranged in the contact end; a plurality of extending parts for extending the magnetic field of the electromagnet are fixedly connected to one end of the electromagnet facing the sliding ring and corresponding to the long connecting rods;
An induction coil for generating induced electromotive force is arranged on the inner wall of the wind-facing barrel;
A power supply and a control circuit board which are electrically connected are respectively arranged in the two contact ends;
The induction coil, the electromagnets and the contact switches are electrically connected with the control circuit board.
The travelling wheels are sleeved on the cable when the cable is installed, and at the moment, each travelling wheel is wound on the periphery of the cable; when the sliding ring slides, the rotating part of the travelling wheel is driven to rotate through the short connecting rod; when the sliding ring is arranged at one end of a stroke, the included angle between the travelling wheel and the radial plane of the windward cylinder is-15 to-20 degrees, and at the moment, when the windward cylinder bears the wind force, the windward cylinder moves along one direction of the cable; when the windward cylinder moves to the telegraph pole, the contact switch close to one end of the telegraph pole touches the telegraph pole and then feeds back the contact switch to the control circuit board to enable the electromagnet at the same end of the contact switch to be electrified, the electromagnet enables the long connecting rod to drive the sliding ring to slide to the other end of the stroke through attracting the iron block and then enables the electromagnet to be powered off, the included angle between the traveling wheel and the radial plane of the windward cylinder is 15-20 degrees, and when the windward cylinder rotates, the windward cylinder simultaneously moves in the opposite direction along the cable; the windward cylinder reciprocates in the way, and reciprocates between the two telegraph poles when being acted by wind force.
When snowing, snow on the concave surfaces of the fan blades is redundant with snow on the convex surfaces of the fan blades, so that the windward cylinder rotates and moves, the snow on the fan blades falls off in the rotating process, and meanwhile, the snow on the cable is scraped off in the moving process of the windward cylinder; when the wind acts on the fan, the rotation and the moving speed of the windward cylinder can be accelerated, and the snow removing efficiency is accelerated.
Because the invention can move on the cable, the scope of snow protection or snow removal is not limited to the length of the wind-receiving cylinder; and the distance between the telegraph poles or the wire towers is long, the curvature radius of the arc formed by bending the cable due to self weight is large, and therefore the influence of the bending of the cable on the windward cylinder can be ignored.
Drawings
fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
fig. 3 is a schematic structural diagram of an air inlet duct.
Fig. 4 is a schematic structural view of the end cap.
Fig. 5 is a schematic view of the structure of the sliding ring.
fig. 6 is a schematic structural view of the road wheel.
Fig. 7 is a schematic structural view of the end cap in embodiment 2.
1. An air-facing cylinder; 11. a barrel; 111. an external thread; 112. mounting holes; 113. a chute; 12. a fan blade; 2. an end cap; 21. a cover body; 211. an internal thread; 212. a cover ring; 213. a squeegee; 22. a contact end; 221. a contact switch; 23. extending the column; 24. an electromagnet; 241. an extension portion; 25. a contact pad; 26. a spring; 3. a sliding ring; 31. a slider; 32. a connecting pin; 33. a first connecting lug; 4. a traveling wheel; 41. an installation part; 42. a rotating part; 421. a second engaging lug; 5. an induction coil; 6. a long connecting rod; 61. an iron block; 7. a short connecting rod; 8. a linear motor.
Detailed Description
Example 1
according to fig. 1 to 6, the present embodiment is a device for preventing accumulated snow on a cable, and the device includes a windward cylinder 1, two end caps 2 fixedly mounted at two ends of the windward cylinder, two annular sliding rings 3 disposed at two ends of an inner wall of the windward cylinder, and a plurality of long connecting rods 6 connected between the two sliding rings.
The air-receiving cylinder comprises a cylindrical cylinder body 11 sleeved on the cable; two spiral fan blades 12 are symmetrically formed on the outer wall of the windward cylinder; the sections of the two spiral fan blades form an S shape (the section along the radial direction of the wind-facing cylinder); known from an S-shaped vertical wind driven generator, under the action of wind power, the force borne by the concave surface is greater than the force borne by the convex surface, so that the wind-facing barrel can rotate in one direction all the time under the action of the wind power.
A plurality of sliding grooves 113 are formed at two ends of the inner wall of the windward cylinder and are distributed along the circumferential direction of the windward cylinder; the sliding blocks 31 with the same number as the sliding grooves are formed on the periphery of the sliding ring; each sliding block is in sliding connection with the corresponding sliding groove, and the sliding grooves limit one end of the sliding block stroke; a plurality of connecting pins 32 which are distributed at equal intervals are fixedly connected to the inner wall of the sliding ring along the circumferential direction; a plurality of first connecting lugs 33 are formed at one end of each sliding ring at equal intervals along the circumferential direction; the connecting pins and the first connecting lugs are staggered in the circumferential direction of the sliding ring; the connecting pins on the two sliding rings correspond to each other in pairs respectively, and the connecting lines of the two corresponding connecting pins are parallel to the axis of the windward cylinder.
A plurality of mounting holes 112 are formed in the wall of the air-facing barrel corresponding to the first connecting lugs; a travelling wheel 4 facing to the cable is arranged on each mounting hole; the travelling wheel comprises a mounting part 41 fixedly connected to the mounting hole and a rotating part 42 rotatably connected with the mounting part; the outer wall of the rotating part is formed with a second connecting lug 421 facing the first connecting lug.
A short connecting rod 7 is connected between the first connecting lug and the second connecting lug; the short connecting rod is hinged with the first connecting lug and the second connecting lug respectively.
A long connecting rod 6 is fixedly connected between the two corresponding connecting pins; two ends of the long connecting rod are fixedly connected with two iron blocks 61 respectively.
Two external threads 111 are formed at two ends of the outer wall of the windward cylinder respectively; the end cover comprises a cover body 21 fixedly connected to the end part of the windward cylinder; an internal thread 211 in threaded connection with the external thread is formed on the inner wall of the cover body; when the wind-facing barrel rotates, the external thread and the internal thread are mutually screwed; an annular cover ring 212 for limiting the stroke of the other end of the sliding block is formed on the inner wall of the cover body; a plurality of scrapers 213 facing the cable are formed in the middle of the cover ring; a gap exists between the scraper and the cable. When the windward cylinder rotates, snow on the cable is scraped off by the scraper.
The outer end of each cover ring is provided with an annular contact end 22; a plurality of extension columns 23 are fixedly connected between the cover ring and the contact end; the outer end of the contact end is provided with a contact switch 221.
An annular electromagnet 24 is arranged in the contact end; a plurality of extending parts 241 for extending the magnetic field of the electromagnet are fixedly connected to one end of the electromagnet facing the sliding ring corresponding to each long connecting rod. When the electromagnet is electrified, the iron block on the long connecting rod is attracted by the electromagnet, so that the sliding ring slides towards the direction of the electromagnet.
An induction coil 5 for generating induced electromotive force is arranged on the inner wall of the windward cylinder; the induction coil is wound on the annular iron core.
and a power supply and a control circuit board which are electrically connected are respectively arranged in the two contact ends.
the induction coil, the electromagnets and the contact switches are electrically connected with the control circuit board. And the induced electromotive force generated by the induction coil is used for charging a power supply through the control circuit board.
the travelling wheels are sleeved on the cable when the cable is installed, and at the moment, each travelling wheel is wound on the periphery of the cable; when the sliding ring slides, the rotating part of the travelling wheel is driven to rotate through the short connecting rod; when the sliding ring is arranged at one end of a stroke, the included angle between the travelling wheel and the radial plane of the windward cylinder is-15 to-20 degrees, and at the moment, when the windward cylinder bears the wind force, the windward cylinder moves along one direction of the cable; when the windward cylinder moves to the telegraph pole, the contact switch close to one end of the telegraph pole touches the telegraph pole and then feeds back the contact switch to the control circuit board to enable the electromagnet at the same end of the contact switch to be electrified, the electromagnet enables the long connecting rod to drive the sliding ring to slide to the other end of the stroke through attracting the iron block and then enables the electromagnet to be powered off, the included angle between the traveling wheel and the radial plane of the windward cylinder is 15-20 degrees, and when the windward cylinder rotates, the windward cylinder simultaneously moves in the opposite direction along the cable; the windward cylinder reciprocates in the way, and reciprocates between the two telegraph poles when being acted by wind force.
When snowing, snow on the concave surfaces of the fan blades is redundant with snow on the convex surfaces of the fan blades, so that the windward cylinder rotates and moves, the snow on the fan blades falls off in the rotating process, and meanwhile, the snow on the cable is scraped off in the moving process of the windward cylinder; when the wind acts on the fan, the rotation and the moving speed of the windward cylinder can be accelerated, and the snow removing efficiency is accelerated.
Because the invention can move on the cable, the scope of snow protection or snow removal is not limited to the length of the wind-receiving cylinder; and the distance between the telegraph poles or the wire towers is long, the curvature radius of the arc formed by bending the cable due to self weight is large, and therefore the influence of the bending of the cable on the windward cylinder can be ignored.
Example 2
As shown in fig. 7, the present embodiment is different from embodiment 1 in that: a plurality of contact switches 221 which are arranged in parallel are equidistantly arranged at the outer end of the contact end; the outer end of the contact end is provided with an annular contact disc 25; a plurality of springs 26 are fixedly connected between the contact end and the contact plate.
Through setting up a plurality of contact switches, when the contact dish contacts the barrier, the contact dish extrusion contact switch makes linear electric motor work to change the moving direction of meeting the dryer.
The contact switch is indirectly triggered by the contact disc, so that the condition that the windward cylinder cannot continuously rotate due to the fact that a barrier cannot be effectively touched under a single contact switch or due to the protrusion of the contact switch is avoided.
Example 3
the present embodiment is modified from embodiment 1 or embodiment 2 as follows: and each section of cable is fixedly connected with a plurality of limiting discs perpendicular to the cable, and the radius of each limiting disc is greater than the distance from the contact switch to the cable. For convenient installation, the limiting disc is divided into two half bodies which are fixedly connected on the cable.
the invention is respectively arranged on each section of cable divided by the limit disc, and when a contact switch on the end cover touches the limit disc, the moving direction of the wind-facing cylinder is changed; the snow removing device moves back and forth on each subsection of each cable to remove snow, and snow removing efficiency on the cables is improved.
Claims (3)
1. The utility model provides a prevent device of cable snow which characterized in that: the wind power generator comprises a wind-facing cylinder sleeved on a cable, two end covers fixedly arranged at two ends of the wind-facing cylinder, two annular sliding rings arranged at two ends of the inner wall of the wind-facing cylinder, and a plurality of long connecting rods connected between the two sliding rings;
the air-receiving cylinder comprises a cylindrical cylinder body sleeved on the cable; two spiral blades are symmetrically formed on the outer wall of the windward cylinder; the sections of the two spiral fan blades form an S shape;
A plurality of sliding grooves are formed at two ends of the inner wall of the windward cylinder and are distributed along the circumferential direction of the windward cylinder; the sliding blocks with the same number as the sliding grooves are formed on the periphery of the sliding ring; each sliding block is in sliding connection with the corresponding sliding groove, and the sliding grooves limit one end of the sliding block stroke; the inner wall of the sliding ring is fixedly connected with a plurality of connecting pins which are distributed at equal intervals along the circumferential direction; a plurality of first connecting lugs are formed at one end of each sliding ring at equal intervals along the circumferential direction; the connecting pins and the first connecting lugs are staggered in the circumferential direction of the sliding ring; the connecting pins on the two sliding rings correspond to each other in pairs respectively, and the connecting line of the two corresponding connecting pins is parallel to the axis of the windward cylinder;
A plurality of mounting holes are formed in the wall of the air-facing barrel corresponding to the first connecting lugs; a travelling wheel facing to the cable is installed on each mounting hole; the travelling wheel comprises an installation part fixedly connected to the installation hole and a rotating part rotatably connected with the installation part; a second connecting lug is formed on the outer wall of the rotating part towards the first connecting lug;
a short connecting rod is connected between the first connecting lug and the second connecting lug; the short connecting rod is hinged with the first connecting lug and the second connecting lug respectively;
A long connecting rod is fixedly connected between the two corresponding connecting pins; two ends of the long connecting rod are respectively and fixedly connected with two iron blocks;
external threads are formed at two ends of the outer wall of the wind-facing barrel respectively; the end cover comprises a cover body fixedly connected to the end part of the wind-facing barrel; an internal thread in threaded connection with the external thread is formed on the inner wall of the cover body; an annular cover ring for limiting the stroke of the other end of the sliding block is formed on the inner wall of the cover body; a plurality of scrapers facing the cable are formed in the middle of the cover ring;
The outer end of each cover ring is provided with an annular contact end; a plurality of extension columns are fixedly connected between the cover ring and the contact end; the outer end of the contact end is provided with a contact switch;
an annular electromagnet is arranged in the contact end; a plurality of extending parts for extending the magnetic field of the electromagnet are fixedly connected to one end of the electromagnet facing the sliding ring and corresponding to the long connecting rods;
An induction coil for generating induced electromotive force is arranged on the inner wall of the wind-facing barrel;
A power supply and a control circuit board which are electrically connected are respectively arranged in the two contact ends;
The induction coil, the electromagnets and the contact switches are electrically connected with the control circuit board.
2. The device for preventing the accumulation of snow on the cable according to claim 1, wherein: a plurality of contact switches arranged in parallel are equidistantly arranged at the outer end of the contact end; the outer end of the contact end is provided with an annular contact disc; and a plurality of springs are fixedly connected between the contact end and the contact disc.
3. the device for preventing the accumulation of snow on the cable according to claim 1, wherein: and each section of cable is fixedly connected with a plurality of limiting discs perpendicular to the cable, and the radius of each limiting disc is greater than the distance from the contact switch to the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303998.2A CN107919642B (en) | 2017-12-11 | 2017-12-11 | device for preventing cable snow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303998.2A CN107919642B (en) | 2017-12-11 | 2017-12-11 | device for preventing cable snow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107919642A CN107919642A (en) | 2018-04-17 |
| CN107919642B true CN107919642B (en) | 2019-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711303998.2A Active CN107919642B (en) | 2017-12-11 | 2017-12-11 | device for preventing cable snow |
Country Status (1)
| Country | Link |
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| CN (1) | CN107919642B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620363B (en) * | 2019-09-25 | 2021-01-26 | 国网山东省电力公司商河县供电公司 | Deicing mechanism of power transmission line deicing robot |
| CN110797824B (en) * | 2019-12-09 | 2020-12-25 | 广西电网有限责任公司电力科学研究院 | Snow removing device for high-altitude power line |
| CN113078602B (en) * | 2021-05-15 | 2022-09-06 | 北京必成达电缆附件有限公司 | Cable deicing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203932928U (en) * | 2014-07-09 | 2014-11-05 | 山东科技大学 | Self-propelled cable cleans ice-breaking vehicle |
| CN205583609U (en) * | 2016-05-06 | 2016-09-14 | 国网山东省电力公司青岛市黄岛区供电公司 | A wind -force actuating mechanism for high -voltage line removes ice and snow |
| CN106058778A (en) * | 2016-08-10 | 2016-10-26 | 晋江市东亨工业设计有限公司 | Automatic deicer |
| CN106159864A (en) * | 2016-08-29 | 2016-11-23 | 国网山东省电力公司商河县供电公司 | Rotary type electric wire snow protection device |
-
2017
- 2017-12-11 CN CN201711303998.2A patent/CN107919642B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203932928U (en) * | 2014-07-09 | 2014-11-05 | 山东科技大学 | Self-propelled cable cleans ice-breaking vehicle |
| CN205583609U (en) * | 2016-05-06 | 2016-09-14 | 国网山东省电力公司青岛市黄岛区供电公司 | A wind -force actuating mechanism for high -voltage line removes ice and snow |
| CN106058778A (en) * | 2016-08-10 | 2016-10-26 | 晋江市东亨工业设计有限公司 | Automatic deicer |
| CN106159864A (en) * | 2016-08-29 | 2016-11-23 | 国网山东省电力公司商河县供电公司 | Rotary type electric wire snow protection device |
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| Publication number | Publication date |
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| CN107919642A (en) | 2018-04-17 |
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Effective date of registration: 20191114 Address after: 318050 No.62, zone 1, daoguanqian village, Lubei street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Yu Yanming Address before: Hangzhou City, Zhejiang province 310052 Binjiang District Dongguan Road No. 655 Building 1 unit 5 Manchester City Jinsheng room 1102 Applicant before: Huang Wenjia |
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Effective date of registration: 20230726 Address after: 311400 No. 20, Yuyang Road, Lushan Street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU SOUTHEAST JITONG NETWORK CO.,LTD. Address before: 318050 No. 62, zone 1, daoguanqian village, Lubei street, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Yu Yanming |
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Address after: 311400 No. 20, Yuyang Road, Lushan Street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Southeast Jitong Technology Co.,Ltd. Country or region after: China Address before: 311400 No. 20, Yuyang Road, Lushan Street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU SOUTHEAST JITONG NETWORK CO.,LTD. Country or region before: China |