CN201252365Y - Construction charged crossover device of ultra-high and special-high voltage transmission line - Google Patents
Construction charged crossover device of ultra-high and special-high voltage transmission line Download PDFInfo
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- CN201252365Y CN201252365Y CNU2008201059182U CN200820105918U CN201252365Y CN 201252365 Y CN201252365 Y CN 201252365Y CN U2008201059182 U CNU2008201059182 U CN U2008201059182U CN 200820105918 U CN200820105918 U CN 200820105918U CN 201252365 Y CN201252365 Y CN 201252365Y
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- insulating
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Abstract
The utility model relates to a construction charged crossover device of a ultra-high and special-high voltage transmission line, which comprises three parts which are a terminal crossover device, a bearing cable and a block out device, wherein a full-length auxiliary beam (2) of the terminal crossover device is hung on a crossover tower (1) by a suspension cable (3), and a bearing cable pulley (4) and a net pulling rope pulley (5) are arranged on the full-length auxiliary beam (2). The block out device comprises a net pulling rope (7), a net rope connecting rope (8), a block out rope (9), an insulating net support rod (10), an insulating net pulley (11), an insulating bearing rod pulley (12) and a hook (13) and the like, wherein the net pulling rope (7), the net rope connecting rope (8) and the block out rope (9) are all equipped with the hook (13) which is connected with the insulating net pulley (11) or the insulating bearing rod pulley (12). The insulating net support rod (10) is arranged on a high-strength insulating rope (6) through the insulating net pulley (11), and the net rope connecting rope (8) is connected with the block out rope (9) to an integrated body through the insulating net pulley (11). The bearing cable comprises the high-strength insulating rope (6), a twisting prevention wire rope (14), a bending resistance connector (15) and an adjusting device (16). The construction charged crossover device of the ultra-high and special-high voltage transmission line is suitable for charged crossover power lines, and is further suitable for the operations of crossing over communication lines, railways, roads, viaducts and rivers and the like. The construction is safe, the efficiency is high, and the economic and social benefits are remarkable.
Description
Technical field
The utility model relates to a kind of transmission line construction device, the live across device of particularly super, UHV transmission line uninterrupted operation.
Background technology
Power grid construction and the development of China over nearly 20 years, now having formed with 500kV is the supergrid system of key north and south in length and breadth, connection thing.Along with the 1000kV UHV transmission line implement in full and ± construction of 800kV direct current UHV transmission line, the rapid dilatation of electrical network.And develop ultra high voltage on a large scale, will form put into operation the phenomenon of 500kV supertension line of large tracts of land, multiple spot leap.And, might occur crossing over the situation of backcrossing the direct current extra high voltage network continuously with crossing over many times or many grades in the shelves in order to utilize limited crossover point to greatest extent more.Thereby the leap problem, in the transmission line erection construction, seem quite outstanding and important.
The live across device that uses mainly contains three-dimensional live across device of hanging basket and hook network plane formula live across device at present.The three-dimensional live across device of hanging basket is not provided with elongated gate beam, and dead weight of basket is bigger, and single ropeway carrying-rope unbalance factor is bigger under the accident condition, is unfavorable for the safety of the system of crossing over, because the elongated gate beam of adapted not, return on the tower staff's operation and make troubles.Hook network plane formula live across device is made up of ropeway carrying-rope, block device, elongated gate beam (or crossing over support body) three parts, when this device surpasses more than 150 meters when the block span, the net that goes out of this block device increases with receipts net difficulty, thereby can significantly reduce efficiency of construction.The possessory power of produce has been strengthened in the particularly promulgation of " law of property ", and this makes that crossing over the relevant co-ordination of power line will become difficult more, especially have a power failure and cross over and can not implement.Therefore the live across device of existing use can not be fit to the leap condition of construction under the multiple complex conditions fully.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of super, UHV transmission line construction live across device, this device has been realized not having a power failure and has been crossed over the purpose of extra high voltage network, and construction safety, the efficient height has good economic benefit and social benefit.
For addressing the above problem, super, UHV transmission line construction live across device of the present utility model is made up of terminal cross device, ropeway carrying-rope, block device three parts.
Described terminal cross device is to be made of elongated gate beam, suspension cable, pulley.Elongated gate beam is suspended on the crossover tower with suspension cable, on elongated gate beam pulley is installed, and this pulley comprises ropeway carrying-rope pulley and danish seine rope pulley, is respectively applied for the support of ropeway carrying-rope anti-twist composite steel rope, high-strength insulation rope and danish seine rope.
Described ropeway carrying-rope is made up of high-strength insulation rope, anti-twist composite steel rope and bending resistance connector.The high-strength insulation rope is connected by the bending resistance connector with anti-twist composite steel rope, is used for support block device.The anti-twist composite steel rope of ropeway carrying-rope is fixed by ropeway carrying-rope pulley and ground on the terminal cross device.
Described block device by danish seine rope, nettle connection cord, block rope, insulation net-supporting rod, insulation hold the net pulley, insulation is held bar pulley, hook etc. and is formed.Hook and insulation all are housed on danish seine rope, nettle connection cord, block rope holds net pulley or insulation and holds the bar pulley and be connected.The insulation net-supporting rod holds the bar pulley by insulation and is installed on the high-strength insulation rope, and the block rope then holds the net pulley by insulation and is installed on the high-strength insulation rope.The nettle connection cord holds the net pulley by insulation the block rope is connected as one.The two ends that the danish seine rope is arranged on the block device are led the block device by the danish seine rope pulley and are fixed on the elongated gate beam after being put into the position.
Described insulation is held net pulley, insulation and is held the bar pulley to adopt nylon be raw material, and to reduce the block device to the wearing and tearing between the ropeway carrying-rope and reduce deadweight, the netting of being convenient to insulate is by in place.
Description of drawings
Fig. 1 is a terminal cross device arrangement schematic diagram.
Fig. 2 is the block structure drawing of device.
Fig. 3 arranges schematic diagram for site operation.
Among the figure: the 1-crossover tower; The elongated gate beam of 2-; The 3-suspension cable; 4-ropeway carrying-rope pulley; 5-danish seine rope pulley; 6-high-strength insulation rope; 7-danish seine rope; 8-nettle connection cord; 9-block rope; The 10-net-supporting rod that insulate; The net pulley is held in the 11-insulation; The bar pulley is held in the 12-insulation; The 13-hook; The 14-anti-twist composite steel rope; 15-bending resistance connector; The 16-adjusting device; The 17-anchor point; 18-is striden power line.
Embodiment
Fig. 1 has provided the terminal cross device arrangement that the utility model is super, UHV transmission line is constructed the live across device.Described terminal cross device is to be made of elongated gate beam 2, suspension cable 3, ropeway carrying-rope pulley 4, danish seine rope pulley 5.Elongated gate beam 2 usefulness suspension cable 3 are suspended on the crossover tower 1, and ropeway carrying-rope pulley 4 and danish seine rope pulley 5 are installed on elongated gate beam 2, are respectively applied for the support of ropeway carrying-rope anti-twist composite steel rope 14, high-strength insulation rope 6 and danish seine rope 7.
Figure 2 shows that the utility model is super, the block apparatus structure of UHV transmission line construction live across device.Described block device by danish seine rope 7, nettle connection cord 8, block rope 9, insulation net-supporting rod 10, insulation hold net pulley 11, insulation is held bar pulley 12, hook 13 etc. and is formed.Hook 13 all is housed on danish seine rope 7, nettle connection cord 8, block rope 9 to be held net pulley 11 with insulation or insulate and hold bar pulley 12 and be connected.Insulation net-supporting rod 10 holds bar pulley 11 by insulation and is installed on the high-strength insulation rope 6, and 9 in block rope holds net pulley 11 by insulation and is installed on the high-strength insulation rope 6.Nettle connection cord 8 holds net pulley 11 by insulation block rope 9 is connected as one.The two ends that danish seine rope 7 is arranged on the block device are led the block device by danish seine rope pulley 5 and are fixed on the elongated gate beam 2 after being put into the position.
Described ropeway carrying-rope is made up of high-strength insulation rope 6, anti-twist composite steel rope 14, bending resistance connector 15 and adjusting device 16.High-strength insulation rope 6 is connected by bending resistance connector 15 with anti-twist composite steel rope 14, is used for support block device.The anti-twist composite steel rope 14 of ropeway carrying-rope is fixed in ground anchor point 17 by the ropeway carrying-rope pulley 4 on the terminal cross device.One end of adjusting device 16 is fixed in ground, and the other end connects anti-twist composite steel rope 14, the elasticity that is used to regulate ropeway carrying-rope.
What Fig. 3 provided is that the utility model is super, UHV transmission line construction live across device site operation figure.When carrying out construction operation, at first the terminal cross device is installed on the crossover tower, utilize ropeway carrying-rope that the block device is led then and put in placely, place the top of being striden power line 18, and striden power line 18 and kept certain safe distance, can realize uninterrupted operation.
The utility model is not only applicable to the live across power line, also is applicable to operations such as crossing over order wire, railway, highway, highway, overpass, river.Construction safety, efficient height, economic benefit and obvious social benefit.
Claims (3)
1. super, UHV transmission line construction live across device, form by terminal cross device, ropeway carrying-rope, block device three parts, it is characterized in that: the elongated gate beam (2) of described terminal cross device is suspended on the crossover tower (1) with suspension cable (3), and ropeway carrying-rope pulley (4) and danish seine rope pulley (5) are installed on elongated gate beam (2); Described block device is by danish seine rope (7), nettle connection cord (8), block rope (9), insulation net-supporting rod (10), net pulley (11) is held in insulation, bar pulley (12) is held in insulation, hook compositions such as (13), in danish seine rope (7), nettle connection cord (8), hook (13) and insulation all are housed on the block rope (9) holds net pulley (11) or insulation and holds bar pulley (12) and be connected, insulation net-supporting rod (10) holds bar pulley (11) by insulation and is installed on the high-strength insulation rope (6), block rope (9) then holds net pulley (11) by insulation and is installed on the high-strength insulation rope (6), and nettle connection cord (8) holds net pulley (11) by insulation block rope (9) is connected as one; Described ropeway carrying-rope is made up of high-strength insulation rope (6), anti-twist composite steel rope (14), bending resistance connector (15) and adjusting device (16), and high-strength insulation rope (6) is connected by bending resistance connector (15) with anti-twist composite steel rope (14).
2. super, UHV transmission line construction live across device according to claim 1, it is characterized in that: the anti-twist composite steel rope of ropeway carrying-rope (14) is fixed in ground anchor point (17) by the ropeway carrying-rope pulley (4) on the terminal cross device.
3. super, UHV transmission line construction live across device according to claim 1 is characterized in that: the two ends that danish seine rope (7) is arranged on the block device are fixed on the elongated gate beam (2) by danish seine rope pulley (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201059182U CN201252365Y (en) | 2008-09-11 | 2008-09-11 | Construction charged crossover device of ultra-high and special-high voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201059182U CN201252365Y (en) | 2008-09-11 | 2008-09-11 | Construction charged crossover device of ultra-high and special-high voltage transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201252365Y true CN201252365Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201059182U Expired - Fee Related CN201252365Y (en) | 2008-09-11 | 2008-09-11 | Construction charged crossover device of ultra-high and special-high voltage transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201252365Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099757A (en) * | 2016-08-17 | 2016-11-09 | 四川电力建设三公司 | A kind of transmission line insulator crosses over crane span structure and construction technology thereof |
| CN108512123A (en) * | 2018-06-13 | 2018-09-07 | 贵州电网有限责任公司 | A kind of quick close-up device for ultra-high-tension power transmission line |
| CN111734202A (en) * | 2020-07-13 | 2020-10-02 | 广东电网能源发展有限公司 | Supporting base of fixed no-crossing-frame crossing system of transmission tower cross arm |
| CN114678800A (en) * | 2022-03-30 | 2022-06-28 | 平煤神马建工集团有限公司 | Rope net supporting device for crossing erection of conducting wire |
-
2008
- 2008-09-11 CN CNU2008201059182U patent/CN201252365Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099757A (en) * | 2016-08-17 | 2016-11-09 | 四川电力建设三公司 | A kind of transmission line insulator crosses over crane span structure and construction technology thereof |
| CN108512123A (en) * | 2018-06-13 | 2018-09-07 | 贵州电网有限责任公司 | A kind of quick close-up device for ultra-high-tension power transmission line |
| CN108512123B (en) * | 2018-06-13 | 2024-02-02 | 贵州电网有限责任公司 | Quick net sealing device for high-voltage transmission line |
| CN111734202A (en) * | 2020-07-13 | 2020-10-02 | 广东电网能源发展有限公司 | Supporting base of fixed no-crossing-frame crossing system of transmission tower cross arm |
| CN111734202B (en) * | 2020-07-13 | 2021-12-24 | 广东电网能源发展有限公司 | Supporting base of fixed no-crossing-frame crossing system of transmission tower cross arm |
| CN114678800A (en) * | 2022-03-30 | 2022-06-28 | 平煤神马建工集团有限公司 | Rope net supporting device for crossing erection of conducting wire |
| CN114678800B (en) * | 2022-03-30 | 2023-11-10 | 平煤神马建工集团有限公司 | Rope net supporting device for crossing and erecting wires |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20100911 |