CN106025919A - Flexible ground wire ice melting wiring apparatus - Google Patents
Flexible ground wire ice melting wiring apparatus Download PDFInfo
- Publication number
- CN106025919A CN106025919A CN201610480485.8A CN201610480485A CN106025919A CN 106025919 A CN106025919 A CN 106025919A CN 201610480485 A CN201610480485 A CN 201610480485A CN 106025919 A CN106025919 A CN 106025919A
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- CN
- China
- Prior art keywords
- groove
- ground wire
- insulating bar
- stream block
- fingertip
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Classifications
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- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a flexible ground wire ice melting wiring apparatus which comprises a contact, an insulating rod, an over-current wire and a rotary clamping head, wherein the contact is installed on the head end portion of the insulating rod, the over-current wire is connected on the contact, and the rotary clamping head is installed on the tail portion of the insulating rod. The contact clamps a lead, the rotary clamping head fixes the insulating rod on an iron tower, and the other end of the over-current wire is connected with a ground wire. Current flows to the ground wire after passing through the lead, the contact and the over-current wire, and heat generated by the ground wire current melts ice. The flexible ground wire ice melting wiring apparatus is reasonable in structure design and is small. A construction worker can conveniently carry the flexible ground wire ice melting wiring apparatus to climb up to a tower, and install and dismount the flexible ground wire ice melting wiring apparatus, ice on the ground wire of an overhead transmission line can be effectively melted, and tripping can not easily occur.
Description
Technical field
The present invention relates to overhead transmission line deicing device technical field, particularly to one flexible ground wire deicing termination.
Background technology
In overhead transmission line, easily there is, under some high and cold mountain area or exceedingly odious weather conditions, the situation that icing is heavier winter in China.Uneven icing is easily generated unbalanced tension force, causes the major accident such as wire strand breakage broken string, shaft tower loose or dislocation, tower material damage even tower.Further, since on steel tower aerial earth wire unlike transmission pressure can by the heat energy that load current produces resist part freeze, therefore, ground wire ice covering thickness is typically considerably beyond transmission pressure.
At present, domestic existing ground wire deicing automatic connection device can preferably solve ground wire icing problem to a certain degree lower, but this device build is bigger, must be arranged in advance on an iron rake with three to six teeth, and can only melt equipped with the icing in ground wire deicing automatic connection device base tower interval, the icing outside ground wire deicing automatic connection device interval cannot be melted, and after ground wire deicing, it is also possible to there will be the phenomenon that local icing does not melts.Simultaneously as icing is serious in regional area, easily puncturing the discharging gap under the conditions of icing, cause tripping operation, causing cannot ice-melt.
Summary of the invention
The technical issues that need to address of the present invention be the local icing occurred after ground wire deicing in overhead transmission line do not melt or due in regional area icing seriously cause cannot the problem of ice-melt.
For solving above-mentioned technical problem, the invention provides a kind of flexible ground wire deicing termination that in the arbitrary away minor segment of steel tower, ground wire icing can be melted, including contact, insulating bar, cross streamline and rotate chuck, contact is arranged on insulating bar head position, being also associated with streamline on described contact, the afterbody at insulating bar is provided with rotation chuck.The flexible ground wire deicing termination of the present invention, contact clamping wire, rotates chuck and is fixed on steel tower by insulating bar, cross streamline other end earth lead, electric current i.e. flow to ground wire by wire, contact, excessively streamline, and the heat energy that ground line current produces plays the effect melting frost.The flexible ground wire deicing termination of the present invention, structure is arranged rationally, small volume and less weight, it is simple to workmen carries tower, installs, dismantles, and effectively ground wire in overhead transmission line can be carried out ice-melt, it is not easy to tripping operation.
Contact includes fingertip, draw-in groove and excessively stream block, stream block was installed below draw-in groove, crossing stream block lateral symmetry, multipair fingertip is installed, multipair fingertip is arranged side by side, insulating bar is formed by connecting by more piece insulating bar, often joint insulating bar two ends are respectively provided with attachment structure, below stream block excessively, it is also equipped with attachment structure be connected with insulating bar, cross streamline and include insulated conductor, insulated conductor one end is connected with crossing stream block by binding post, the other end is connected with ground wire by crossing streamline folder, rotate chuck and include insulating bar end chuck and angle steel end chuck, gimbal structure is used between insulating bar end chuck and angle steel end chuck, insulating bar end grips is at insulating bar afterbody, angle steel end grips is on steel tower corner iron.Contact is a kind of spring structure chuck, is used for clamping or dismantling wire, played stream effect, and insulating bar overall length can determine to separation according to steel tower.Fingertip is used for clamping wire, crosses stream block and connected streamline, it is achieved whole device has wire, stream effect crossed by ground wire, with solve regional area ground wire icing do not melt or in regional area icing seriously cause cannot the phenomenon of ice-melt.
Fingertip is the upper end string configuration with radian, string configuration medium design stopper slot, afterbody is designed with round boss, and the upper end arc of every pair of fingertip is oppositely arranged, draw-in groove is the veneer of inverted u-shaped trench structure, the U-shaped two bottom sides of draw-in groove is designed with multiple boss, boss on draw-in groove stretches in the stopper slot on fingertip, arrange porose in the U-shaped both sides of draw-in groove, for installing stream block, described stream block of crossing is cube structure, draw-in groove size is suitable with stream block size excessively, cross stream block opposite sides surface and be designed with circular groove, cross the circular groove on stream block adaptive with the round boss on fingertip, additionally opposite sides surface configuration has installing hole, suitable with the hole on draw-in groove, for fastening draw-in groove, cross stream block bottom side and be designed with circular hole, for connecting binding post.Whole structure of contact terminal arranges rationally, compact, and fingertip can require according to current load, wire gauge and the suitable quantity of size Selection, radian and thickness.
Preferably, connected by spring and two straight pins respectively between every pair of fingertip, described spring is at draw-in groove and crosses between stream block, both ends of the spring stretches out the stopper slot of fingertip, being connected at the intermediate groove of straight pin, two straight pins are separately positioned on the outside of fingertip, are connected by securing member between draw-in groove and excessively stream block, securing member, through the hole of draw-in groove side, was connected in the installing hole of stream block side.Straight pin is middle reeded cylinder, the stopper slot of spring, straight pin and fingertip middle part with the use of, be used for clamping or dismantling wire.
Described spring is long-armed semicircle hook-type extension spring structure, and described fingertip is fingertip made of copper, and described stream block excessively is stream block excessively made of copper;Described streamline folder of crossing selects parallel groove clamp, device clamp or T-shaped cable clamp structure form;Insulating bar head is connected with contact, uses fixed or detachable type of attachment, can be fixed by ball or bolt fastening structure between insulating bar and between overhang insulation bar and contact.Passing through of parts made of copper beneficially electric current.
The flexible ground wire deicing termination of the present invention, it it is a kind of flexible ground wire deicing termination having and crossing stream between wire and ground wire, compact, ice-melt is effective, insulating bar adjustable in length, may be used for the interior thawing to ground wire icing of any section, flexibly and easily, after the upper tower of workmen, contact and each insulating bar are connected fixing, contact is delivered at wire and clamps wire by hand-held insulating bar, rotating chuck is to be fixed on steel tower by insulating bar afterbody, prevent the insulating bar when ground wire deicing from coming off from steel tower, according to job site practical situation, insulating bar end chuck can clamp insulating bar afterbody optional position, angle steel end chuck can clamp on steel tower at angle steel any position flexibly.The quantity of fingertip and thickness etc. according to wire gauge and size adjusting, can add the stability of gripping and cross stream effect, and the spring connecting structure gripping of fingertip is convenient, Stability Analysis of Structures, difficult drop-off, and lower section arranged stream block, can connect streamline and realize stream effect.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of the present invention;
Fig. 2 is the structure of contact terminal schematic diagram of the present invention;
Fig. 3 is the contact finger structure schematic diagram of the present invention;
Fig. 4 is the notch schematic diagram of the present invention;
Fig. 5 is the stream block structure schematic diagram excessively of the present invention;
Fig. 6 is the spring structure schematic diagram of the present invention;
Fig. 7 is the straight pin structural representation of the present invention;
Fig. 8 is the insulating bar structural representation of the present invention;
Fig. 9 is the insulating bar structural representation of the present invention;
Figure 10 is the streamline construction schematic diagram excessively of the present invention;
Figure 11 is the rotating clip header structure schematic diagram of the present invention;
Wherein, 1-contact, 1-1-fingertip, 1-2-draw-in groove, 1-3-crosses stream block, 1-4-spring, 1-5-straight pin, 1-6-securing member, 1-7-stopper slot, 1-8-round boss, 1-9-boss, 1-10-hole, 1-11-circular groove, 1-12-installing hole, 1-13-circular hole, 1-14-intermediate groove, 2-insulating bar, 2-1-insulating bar, 2-2-attachment structure, 3-crosses streamline, 3-1-binding post, 3-2-insulated conductor, 3-3-crosses streamline folder, and 4-rotates chuck, 4-1-insulating bar end chuck, 4-2-angle steel end chuck.
Detailed description of the invention
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
As shown in the figure, the flexible ground wire deicing termination that in the arbitrary away minor segment of steel tower, ground wire icing can be melted of the present invention, including contact 1, insulating bar 2, cross streamline 3 and rotate chuck 4, contact 1 is arranged on insulating bar 2 head position, being also associated with streamline 3 on described contact 1, the afterbody at insulating bar 2 is provided with rotation chuck 3.
nullContact 1 includes fingertip 1-1、Draw-in groove 1-2 and excessively stream block 1-3,Stream block 1-3 was installed below draw-in groove 1-2,Crossing stream block 1-3 lateral symmetry, multipair fingertip 1-1 is installed,Multipair fingertip 1-1 is arranged side by side,Insulating bar 2 is formed by connecting by more piece insulating bar 2-1,Often joint insulating bar 2-1 two ends are respectively provided with attachment structure 2-2,Below stream block 1-3 excessively, it is also equipped with attachment structure 2-2 be connected with insulating bar 2-1,Cross streamline 3 and include insulated conductor 3-2,Insulated conductor 3-2 one end is connected with crossing stream block 1-3 by binding post 3-1,The other end is connected with ground wire by crossing streamline folder 3-3,Rotate chuck 4 and include insulating bar end chuck 4-1 and angle steel end chuck 4-2,Gimbal structure is used between insulating bar end chuck 4-1 and angle steel end chuck 4-2,Insulating bar end chuck 4-1 is clamped in insulating bar 2 afterbody,Angle steel end chuck 4-2 is clamped on steel tower corner iron.
nullFingertip 1-1 is the upper end string configuration with radian,String configuration medium design stopper slot 1-7,Afterbody is designed with round boss 1-8,And the upper end arc of every couple of fingertip 1-1 is oppositely arranged,Draw-in groove 1-2 is the veneer of inverted u-shaped trench structure,The U-shaped two bottom sides of draw-in groove 1-2 is designed with multiple boss 1-9,Boss 1-9 on draw-in groove 1-2 stretches in the stopper slot 1-7 on fingertip 1-1,In the U-shaped both sides of draw-in groove 1-2, porose 1-10 is set,For installing stream block 1-3,The described stream block 1-3 that crosses is cube structure,Draw-in groove 1-2 size is suitable with stream block 1-3 size excessively,Cross stream block 1-3 opposite sides surface and be designed with circular groove 1-11,Cross the round boss 1-8 on circular groove 1-11 and the fingertip 1-1 on stream block 1-3 adaptive,Additionally opposite sides surface configuration has installing hole 1-12,Suitable with the hole 1-10 on draw-in groove 1-2,For fastening draw-in groove 1-2,Cross stream block 1-3 bottom side and be designed with circular hole 1-13,For connecting binding post 3-1.Wherein connected by spring 1-4 and two straight pin 1-5 respectively between every couple of fingertip 1-1, described spring 1-4 is at draw-in groove 1-2 and crosses between stream block 1-3, spring 1-4 stretches out at two ends the stopper slot 1-7 of fingertip 1-1, it is connected at intermediate groove 1-14 of straight pin 1-5, two straight pin 1-5 are separately positioned on the outside of fingertip 1-1, connected by securing member 1-6 between draw-in groove 1-2 and excessively stream block 1-3, securing member 1-6, through the hole 1-10 of draw-in groove 1-2 side, was connected in the installing hole 1-12 of stream block 1-3 side.
Described spring 1-4 is long-armed semicircle hook-type extension spring structure, and described fingertip 1-1 is fingertip made of copper, and described stream block 1-3 excessively is stream block excessively made of copper;The described streamline folder 3-3 that crosses selects parallel groove clamp, device clamp or T-shaped cable clamp structure form;Insulating bar 2 head is connected with contact 1, uses fixed or detachable type of attachment, can be fixed by ball or bolt fastening structure between insulating bar 2-1 and between overhang insulation bar 2-1 and contact 1.
The flexible ground wire deicing termination of the present invention, contact clamping wire, rotates chuck and is clamped on steel tower by insulating bar, cross streamline other end earth lead, electric current i.e. flow to ground wire by wire, contact, excessively streamline, and the heat energy that ground line current produces plays the effect melting frost.The flexible ground wire deicing termination of the present invention, structure is arranged rationally, small volume and less weight, it is simple to workmen carries tower, installs, dismantles, effectively ground wire in overhead transmission line can be carried out ice-melt, it is not easy to tripping operation.
Contact is a kind of spring structure chuck, is used for clamping or dismantling wire, played stream effect, and insulating bar overall length can determine to separation according to steel tower.Fingertip is used for clamping wire, crosses stream block and connected streamline, it is achieved whole device has wire, stream effect crossed by ground wire, with solve regional area ground wire icing do not melt or in regional area icing seriously cause cannot the phenomenon of ice-melt.
Whole structure of contact terminal arranges rationally, compact, and fingertip can require according to current load, wire gauge and the suitable quantity of size Selection, radian and thickness.
Straight pin is middle reeded cylinder, the stopper slot of spring, straight pin and fingertip middle part with the use of, be used for clamping or dismantling wire.
Passing through of parts made of copper beneficially electric current.
The flexible ground wire deicing termination of the present invention, compact, ice-melt is effective, insulating bar adjustable in length, may be used for the interior thawing to ground wire icing of any section, flexibly and easily, after the upper tower of workmen, contact and each insulating bar are connected fixing, contact is delivered at wire and clamps wire by hand-held insulating bar, rotating chuck is to be fixed on steel tower by insulating bar afterbody, prevent the insulating bar when ground wire deicing from coming off from steel tower, according to job site practical situation, insulating bar end chuck can clamp insulating bar afterbody optional position, angle steel end chuck can clamp on steel tower at angle steel any position flexibly.The quantity of fingertip and thickness etc. according to wire gauge and size adjusting, can add the stability of gripping and cross stream effect, and the spring connecting structure gripping of fingertip is convenient, Stability Analysis of Structures, difficult drop-off, and lower section arranged stream block, can connect streamline and realize stream effect.
Claims (7)
1. a flexible ground wire deicing termination, it is characterised in that: including contact, insulating bar, cross streamline and rotate chuck, contact is arranged on insulating bar head position, was also associated with streamline on described contact, and the afterbody at insulating bar is provided with rotation chuck.
2. ground wire deicing termination flexibly as claimed in claim 1, it is characterized in that: contact includes fingertip, draw-in groove and excessively stream block, stream block was installed below draw-in groove, crossing stream block lateral symmetry, multipair fingertip is installed, multipair fingertip is arranged side by side, insulating bar is formed by connecting by more piece insulating bar, often joint insulating bar two ends are respectively provided with attachment structure, below stream block excessively, it is also equipped with attachment structure be connected with insulating bar, cross streamline and include insulated conductor, insulated conductor one end is connected with crossing stream block by binding post, the other end is connected with ground wire by crossing streamline folder, rotate chuck and include insulating bar end chuck and angle steel end chuck, gimbal structure is used between insulating bar end chuck and angle steel end chuck, insulating bar end grips is at insulating bar afterbody, angle steel end grips is on steel tower corner iron.
null3. ground wire deicing termination flexibly as claimed in claim 2,It is characterized in that: fingertip is the upper end string configuration with radian,String configuration medium design stopper slot,Afterbody is designed with round boss,And the upper end arc of every pair of fingertip is oppositely arranged,Draw-in groove is the veneer of inverted u-shaped trench structure,The U-shaped two bottom sides of draw-in groove is designed with multiple boss,Boss on draw-in groove stretches in the stopper slot on fingertip,Arrange porose in the U-shaped both sides of draw-in groove,For installing stream block,Described stream block of crossing is cube structure,Draw-in groove size is suitable with stream block size excessively,Cross stream block opposite sides surface and be designed with circular groove,Cross the circular groove on stream block adaptive with the round boss on fingertip,Additionally opposite sides surface configuration has installing hole,Suitable with the hole on draw-in groove,For fastening draw-in groove,Cross stream block bottom side and be designed with circular hole,For connecting binding post.
4. ground wire deicing termination flexibly as claimed in claim 3, it is characterized in that: connected by spring and two straight pins respectively between every pair of fingertip, described spring is at draw-in groove and crosses between stream block, both ends of the spring stretches out the stopper slot of fingertip, being connected at the intermediate groove of straight pin, two straight pins are separately positioned on the outside of fingertip, are connected by securing member between draw-in groove and excessively stream block, securing member, through the hole of draw-in groove side, was connected in the installing hole of stream block side.
5. ground wire deicing termination flexibly as claimed in claim 4, it is characterised in that: described spring is long-armed semicircle hook-type extension spring structure, and described fingertip is fingertip made of copper, and described stream block excessively is stream block excessively made of copper.
6. the flexible ground wire deicing termination as described in any one claim in claim 2 to 5, it is characterised in that: described streamline folder of crossing selects parallel groove clamp, device clamp or T-shaped cable clamp structure form.
7. ground wire deicing termination flexibly as claimed in claim 6, it is characterized in that: insulating bar head is connected with contact, use fixed or detachable type of attachment, can be fixed by ball or bolt fastening structure between insulating bar and between overhang insulation bar and contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610480485.8A CN106025919B (en) | 2016-06-28 | 2016-06-28 | Flexible ground wire deicing termination |
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CN201610480485.8A CN106025919B (en) | 2016-06-28 | 2016-06-28 | Flexible ground wire deicing termination |
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CN106025919A true CN106025919A (en) | 2016-10-12 |
CN106025919B CN106025919B (en) | 2017-11-24 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106505460A (en) * | 2016-12-06 | 2017-03-15 | 国网山东省电力公司曹县供电公司 | A kind of field earth lead hanging wire head |
CN109687376A (en) * | 2019-03-04 | 2019-04-26 | 贵州电网有限责任公司 | A kind of DC ice melting short circuit control structure |
CN110137884A (en) * | 2019-05-16 | 2019-08-16 | 中国能源建设集团南京线路器材有限公司 | A kind of transmission line wire rotation suspension clamp |
CN110676789A (en) * | 2019-10-30 | 2020-01-10 | 中国南方电网有限责任公司超高压输电公司柳州局 | Ice-melting operation operating platform |
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CN202308991U (en) * | 2011-11-15 | 2012-07-04 | 徐望圣 | Device for deicing ground wire |
CN103490363A (en) * | 2013-09-13 | 2014-01-01 | 郴州市东塘电气设备有限公司 | Rapid Direct-current deicing short circuit device of electric transmission line |
CN204011845U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | Electric line maintenance grounding wire device |
CN105262001A (en) * | 2015-11-24 | 2016-01-20 | 国网四川省电力公司电力科学研究院 | Ice melting method for overhead ground wire of power transmission line |
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2016
- 2016-06-28 CN CN201610480485.8A patent/CN106025919B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008154438A (en) * | 2006-12-15 | 2008-07-03 | Michio Takaoka | Removal of snow and ice accretion on overhead transmission line |
CN202308991U (en) * | 2011-11-15 | 2012-07-04 | 徐望圣 | Device for deicing ground wire |
CN103490363A (en) * | 2013-09-13 | 2014-01-01 | 郴州市东塘电气设备有限公司 | Rapid Direct-current deicing short circuit device of electric transmission line |
CN204011845U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | Electric line maintenance grounding wire device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106505460A (en) * | 2016-12-06 | 2017-03-15 | 国网山东省电力公司曹县供电公司 | A kind of field earth lead hanging wire head |
CN106505460B (en) * | 2016-12-06 | 2018-06-12 | 国网山东省电力公司曹县供电公司 | A kind of field is grounded hanging wire head |
CN109687376A (en) * | 2019-03-04 | 2019-04-26 | 贵州电网有限责任公司 | A kind of DC ice melting short circuit control structure |
CN109687376B (en) * | 2019-03-04 | 2023-10-24 | 贵州电网有限责任公司 | DC ice melting short circuit control structure |
CN110137884A (en) * | 2019-05-16 | 2019-08-16 | 中国能源建设集团南京线路器材有限公司 | A kind of transmission line wire rotation suspension clamp |
CN110137884B (en) * | 2019-05-16 | 2024-05-10 | 中国能源建设集团南京线路器材有限公司 | Self-rotation suspension clamp for transmission line wire |
CN110676789A (en) * | 2019-10-30 | 2020-01-10 | 中国南方电网有限责任公司超高压输电公司柳州局 | Ice-melting operation operating platform |
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Granted publication date: 20171124 Termination date: 20190628 |