CN204316006U - A kind of electric transmission line hot-line crosses over block device - Google Patents
A kind of electric transmission line hot-line crosses over block device Download PDFInfo
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- CN204316006U CN204316006U CN201420858526.9U CN201420858526U CN204316006U CN 204316006 U CN204316006 U CN 204316006U CN 201420858526 U CN201420858526 U CN 201420858526U CN 204316006 U CN204316006 U CN 204316006U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 47
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000009954 braiding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 9
- 102100020786 Adenylosuccinate synthetase isozyme 2 Human genes 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model relates to a kind of electric transmission line hot-line and crosses over block device.This device comprises two crossover towers be oppositely arranged and two bogeys, a branch of bearing rope be connected with crossover tower by suspension bracket coaster is equipped with in each bogey, two bundle bearing rope arranged in parallel also divide the both sides being located at crossover tower, and the two ends of often restrainting bearing rope are all fixedly connected by earth anchor and ground; Suspension bracket coaster is hung on crossover tower by steel wire rope; The bearing rope of this device between two crossover towers is provided with at least one insulation net; Insulation network regulation regulating device is also provided with in this device.The utility model portable construction, difficulty of construction is little, the transport of material and installation are all comparatively convenient, and occupation mode of the present utility model is comparatively flexible, require low to landform, not only may be used for crossing live-line, the structures of Midspan sag, highway, river course and large volume can also be used for, thus can realize that overall process does not have a power failure, do not close a road to traffic, not iceound transmission line Poling Construction.
Description
Technical field
The utility model belongs to transmission line construction field, is specifically related to a kind of electric transmission line hot-line and crosses over block device.
Background technology
Along with greatly developing of nationwide integrated power grid, high-tension line gets more and more, and the leap of newly-built circuit becomes increasingly complex, and fail safe, the reliability requirement of power supply are more and more higher, and line outage difficulty is increasing.If on being carried out the reliability that power cut construction greatly will affect power supply by cross-line road during newly-built circuit, also heavy losses will be brought to user.
Be there is larger security risk by the charged crossing frame of setting up in cross-line road, special in higher by cross-line road (more than 30 meters), the difficulty that crossing frame is set up will enlarge markedly, and security risk grade is also higher.When adopting crossing frame erection scheme, need to drop into a large amount of material (mao bamboon, bracing wire, brill stake, insulating cord, safety net, iron wire etc.), manpower, costly, the time of setting up is also long, as for cross over 35kV, 110kV and height the crossing frame of about 30 meters, the time of setting up needs a week.Therefore adopt and set up the fail safe of crossing frame scheme, economy, progress are all poor.
In addition, also can utilize and cross bar is set carry out block operation by the newly-built steel tower of both sides, cross-line road, pole, when utilizing pole that cross-arm block is set, although expense and duration than adopt the expense of setting up crossing frame and the duration low, but pole is heavier, transport, arrange, adjustment is more difficult, the material (pole, steel wire rope) simultaneously needed, machinery (motor-driven grinding mill), manpower are still larger.
Summary of the invention
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, there is provided a kind of structure simple and service-strong electric transmission line hot-line crosses over block device, this device takes full advantage of the steel tower be arranged on by both sides, cross-line road, achieving does not have a power failure crosses over the object of built transmission line, and construction safety, time saving and energy saving, there is good economic benefit and social benefit.
For achieving the above object, the utility model have employed following technical scheme:
A kind of electric transmission line hot-line crosses over block device, comprise two crossover towers be oppositely arranged, two bogeys are provided with in this device, a branch of bearing rope be connected with described crossover tower by suspension bracket coaster is equipped with in bogey described in each, two bundle bearing rope arranged in parallel also point to be located at the both sides of described crossover tower, and the two ends of often restrainting bearing rope are all fixedly connected by earth anchor and ground or base surface; Described suspension bracket coaster is hung on described crossover tower by steel wire rope; The bearing rope of this device between two crossover towers is provided with insulation net, and described insulation net is at least set to one; Insulation network regulation regulating device is also provided with in this device.
Further, two lever hoists are also provided with in described bogey, one end of described bearing rope is connected with earth anchorage by one of them lever hoist, the other end of bearing rope walks around the suspension bracket coaster be hung on respectively under two crossover tower homonymy hanging points successively, then is connected with earth anchorage by another one lever hoist.
Further, described earth anchor is arranged on the outside that two crossover towers surround region, flare angle β >=30 ° being arranged on the line between stretch section between earth anchor and the suspension bracket coaster that earth anchor is adjacent therewith and two hanging points being in the same side of two crossover towers of described bearing rope, α≤45 ° of angle over the ground between the stretch section of described bearing rope and horizontal plane.
Preferably, often open described insulation net between two bundle bearing ropes, to curl up braiding by a complete All Dielectric self-support back and forth and form.
Further, the specification of described All Dielectric self-support is Ф 13, and unit is mm.
Preferably, described insulation network regulation regulating device comprises four tricing lines being separately positioned on and often opening insulation net corner place, and the two described tricing lines being in bearing rope the same side are the outside stretch-draw of Eight characters shape.
Further, described tricing line is fixing by ground brill stake adjustment.
The beneficial effects of the utility model are:
1) crossover tower, in the utility model is be arranged on the built steel tower by both sides, cross-line road, the utility model takes full advantage of built steel tower, by the bearing rope hanging in bogey on the cross-arm of steel tower, and by bearing rope earth anchorage, then on bearing rope, be woven into insulation with All Dielectric self-support (i.e. ADSS optical cable) and net.
Compared to existing crossing scheme, the utility model portable construction, difficulty of construction is little, the transport of material and installation are all comparatively convenient, and occupation mode of the present utility model is comparatively flexible, requires low to landform, not only may be used for crossing live-line, the structures of Midspan sag, highway, river course and large volume can also be used for, thus can realize that overall process does not have a power failure, do not close a road to traffic, not iceound transmission line Poling Construction.
2) the insulation net, in the utility model can be set to one, and also can be set to multiple, therefore, the utility model can adapt to various different operating mode, and adaptability is high.
3) the insulation net often opened, in the utility model all adopts a complete ADSS optical cable to circle round on bearing rope around forming.Net an only employing ADSS optical cable owing to often opening insulation, the middle part of therefore often opening insulation net does not all have joint, and this frame mode can prevent the phenomenon causing insulation net to come off because of joint looseness from occurring effectively.
4), in the utility model, the set-up mode of earth anchor not only can guarantee that its stressing conditions is better, and its flare angle can guarantee that suspension bracket coaster tilts under the pulling force of bearing rope outside crossover tower effectively, thus make insulate net laying width increase, meet in construction to safe distance requirement.
5), be also provided with four tricing lines adjusting the position of insulation net and control in the utility model, described tricing line is distributed in the surrounding of often opening insulation net, and every root tricing line is all fixed by brill stake.During construction, insulation net is moved on to crossover point position by pull operation tricing line by staff, and after insulation net is mobile in place, workmen can also regulate the block gap of insulation net by tricing line.Thus guarantee the fail safe of subsequent construction.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Illustrate each Reference numeral implication as follows:
10-crossover tower, 20-bogey, 21-bearing rope, 22-suspension bracket coaster
23-Lever Blocks, 24-earth anchor, 25-steel wire rope
30-insulation net 40-tricing line 50-by cross-line road
α-angle β-flare angle over the ground
Embodiment
For ease of understanding, below in conjunction with accompanying drawing, concrete structure of the present utility model is elaborated.
The utility model is made up of crossover tower 10, bogey 20, insulation net 30 and insulation network regulation regulating device, is described below:
1. crossover tower 10
As shown in Figure 1, the crossover tower 10 in the utility model can be built or newly-built steel tower, also can be that other are provided with cross-arm to hang structures or the platform of bearing rope.Cross-arm on described crossover tower 10 is provided with hanging point.
2. bogey 20
As shown in Figure 1, 2, the bogey 20 in the utility model is set to two, and any one bogey 20 is formed by a branch of bearing rope 21, two suspension bracket coasters 22, two Lever Blocks 23, two earth anchors 24 and two steel wire ropes 25.
2.1 bearing rope
Bearing rope 21 adopt φ 13 insulate Du Pont rope, first adopt the insulation Du Pont of φ 3.5 to restrict during installation and do guide rope, by suspension bracket coaster 22 extradite φ 10 insulate Du Pont rope, finally with φ 10 insulate Du Pont rope extradition φ 13 insulate Du Pont rope, the Du Pont's rope that insulated by φ 13 after having extradited is fixed on Lever Blocks 23, and Height Adjustment is well fixing as required.
2.2 suspension bracket coasters
Adopt 3T double-handle nylon coaster, be hung on by the hanging point of the longest cross-arm of crossover tower of both sides, cross-line road 50, in order to support bearing rope 21 by φ 15.5 × 4m steel wire rope.
2.3 Lever Blocks
Lever Blocks 23 adopts 6T hand-pulling, in order to the connection between earth anchor 24 and bearing rope 21, is adjusted the height of bearing rope 21 by Lever Blocks 23, thus adjustment insulation net 30 and by the discrepancy in elevation between cross-line road 50, with meet safe distance requirement.
2.4 earth anchor
Adopt 5T earth anchor, often only arrange the degree of depth 2.2 meters, as shown in Figure 2, four earth anchors 24 in two bogeys 20 are arranged symmetrically with.
As shown in Figure 1, 2, described earth anchor 24 is arranged on the outside that two crossover towers 10 surround region, flare angle β >=30 ° being arranged on the line between stretch section between earth anchor 24 and the suspension bracket coaster 22 that earth anchor is adjacent therewith and two hanging points being in the same side of two crossover towers 10 of described bearing rope 21, α≤45 ° of angle over the ground between the stretch section of described bearing rope 21 and horizontal plane.
3. insulate net 30
As shown in Figure 1, insulation net 30 is set to one, and insulation net 30 can certainly be set to multiple, to realize the leap to multiple alive circuit.
Insulation net 30 adopts φ 13 ADSS optical cable (rupture pull force is more than 3 tons) to do the construction of insulation chain line block, operating personnel should at one end shaft tower operate, after woven for insulation net, workmen sits reversal of the natural order of things coaster and utilizes tricing line 40 that insulation net 30 is moved on to crossover point position.Insulation net 30 adopts ADSS optical cable to be formed by connecting back and forth, often throws the net and should use a complete optical cable, must not have joint, in case centre comes off.Block gap is no more than 1.5 meters.Should guarantee after block terminates that the every limit of insulation net 30 exceeds wire and is not less than 2 meters.Insulation net 30 and the requirement (adjusting by Lever Blocks 23) that should be ensured to be not less than in safety by the height on cross-line road or object being spanned.
Junction between φ 13 ADSS optical cable and bearing rope 21 adopts steel wire clamp to fix.
4. insulate network regulation regulating device
Insulation network regulation regulating device is made up of four tricing lines 40 being separately positioned on insulation net 30 4 jiaos of places, and every root tricing line 40 is all bored stake adjustment by a φ 36 × 1.8 meters and fixed.Two tricing lines 40 being in bearing rope 21 the same side stretch out and distribute in "eight" shape.
Tricing line 40 to insulate Du Pont's rope for φ 10, and it can prevent insulation net sag excessive effectively, insulation net 30 can be made to be evenly arranged above leap thing by pulling regulable control rope 40.
Below in conjunction with accompanying drawing 1,2, the course of work of the present utility model is described further.
First determine the position of four earth anchors 24, and earth anchor 24 is installed.And the lumps of wood established by pad on the cross-arm of crossover tower 10, hang and steel wire rope 25 and the 3T double-handle nylon coaster corresponding with it are set; Described two suspension bracket coasters 22 are hung on the same side of two crossover towers 10.
Then bearing rope 21 is unfolded, namely first utilize propeller-parachuting to unfold Ф 3.5 pull rope traction Ф 10 to insulate Du Pont's rope, then utilize Ф 10 insulate Du Pont wire saws Ф 13 insulate Du Pont rope, bearing rope 21 after installation is as shown in Figure 1, 2: one end of bearing rope 21 is first fixedly connected by a Lever Blocks 23 and one of them earth anchor 24, the other end of bearing rope 21 then successively walks around two suspension bracket coasters 22, be fixedly connected by another Lever Blocks 23 and second earth anchor 24 again, and two bundle bearing rope 21 arranged in parallel in two bogeys 20.
Can carry out after bearing rope 21 installs putting the construction of insulation net block.The horizontal chain line of block and cross cord all adopt φ 13 ADSS optical cable (rupture pull force is more than 3 tons) to do insulation chain line block.Junction between φ 13ADSS optical cable and bearing rope 21 adopts steel wire clamp to fix.
Finally in the corner place pulling tricing line 40 of insulation net 30, often fixing with boring stake adjustment with tricing line 40, and by tricing line 40, insulation net 30 is adjusted in place.
Claims (7)
1. an electric transmission line hot-line crosses over block device, comprise two crossover towers be oppositely arranged (10), it is characterized in that: in this device, be provided with two bogeys (20), a branch of bearing rope (21) be connected with described crossover tower (10) by suspension bracket coaster (22) is equipped with in bogey described in each (20), two bundle bearing rope (21) arranged in parallel also divide the both sides being located at described crossover tower (10), and the two ends of often restrainting bearing rope (21) are all fixedly connected by earth anchor (24) and ground or base surface; Described suspension bracket coaster (22) is hung on described crossover tower (10) by steel wire rope (25); The bearing rope (21) of this device between two crossover towers (10) is provided with insulation net (30), described insulation net (30) is at least set to one; Insulation network regulation regulating device is also provided with in this device.
2. a kind of electric transmission line hot-line according to claim 1 crosses over block device, it is characterized in that: in described bogey (20), be also provided with two lever hoists (23), one end of described bearing rope (21) is fixedly connected by one of them lever hoist (23) and earth anchor (24), the other end of bearing rope (21) walks around the suspension bracket coaster (22) be hung on respectively under two crossover tower (10) homonymy hanging points successively, then is fixedly connected by another one lever hoist (23) and earth anchor (24).
3. a kind of electric transmission line hot-line according to claim 1 crosses over block device, it is characterized in that: described earth anchor (24) is arranged on the outside that two crossover towers (10) surround region, flare angle β >=30 ° being arranged on the line between stretch section between earth anchor (24) and the suspension bracket coaster (22) that earth anchor is adjacent therewith and two hanging points being in the same side of two crossover towers of described bearing rope, α≤45 ° of angle over the ground between the stretch section of described bearing rope and horizontal plane.
4. a kind of electric transmission line hot-line according to claim 1 crosses over block device, it is characterized in that: often open described insulation net (30) and between two bundles bearing rope (21), curl up braiding by a complete All Dielectric self-support back and forth and form.
5. a kind of electric transmission line hot-line according to claim 4 crosses over block device, it is characterized in that: the specification of described All Dielectric self-support is Ф 13, and unit is mm.
6. a kind of electric transmission line hot-line according to any one of Claims 1 to 5 crosses over block device, it is characterized in that: described insulation network regulation regulating device comprises four tricing lines (40) being separately positioned on and often opening insulation net (30) corner place, is in two described tricing lines (40) of bearing rope (21) the same side in the outside stretch-draw of Eight characters shape.
7. a kind of electric transmission line hot-line according to claim 6 crosses over block device, it is characterized in that: described tricing line (40) is bored stake adjustment by ground and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858526.9U CN204316006U (en) | 2014-12-30 | 2014-12-30 | A kind of electric transmission line hot-line crosses over block device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858526.9U CN204316006U (en) | 2014-12-30 | 2014-12-30 | A kind of electric transmission line hot-line crosses over block device |
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| CN204316006U true CN204316006U (en) | 2015-05-06 |
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|---|---|---|---|
| CN201420858526.9U Active CN204316006U (en) | 2014-12-30 | 2014-12-30 | A kind of electric transmission line hot-line crosses over block device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025923A (en) * | 2016-07-05 | 2016-10-12 | 绍兴市大兴电气承装有限公司 | Construction method of tension type power line protection net |
| CN106058724A (en) * | 2016-07-05 | 2016-10-26 | 国网浙江省电力公司绍兴供电公司 | Tension type power transmission line protecting system |
| CN106786311A (en) * | 2016-11-15 | 2017-05-31 | 于光成 | The accessible supply lines construction system in track field |
| CN107332153A (en) * | 2017-06-19 | 2017-11-07 | 天津送变电工程公司 | A kind of block single-column live crossing frame |
| CN110401164A (en) * | 2019-07-16 | 2019-11-01 | 国网河北省电力有限公司行唐县供电分公司 | A kind of cross-wired device and its stringing method |
| CN112152152A (en) * | 2020-10-10 | 2020-12-29 | 国网新疆电力有限公司昌吉供电公司 | Power transmission line crossing device and using method thereof |
| CN114221251A (en) * | 2021-10-29 | 2022-03-22 | 中国电建集团贵州电力设计研究院有限公司 | Lapping method for iron tower wiring above live wire |
| 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 |
| CN114725835A (en) * | 2022-04-27 | 2022-07-08 | 广东电网能源发展有限公司 | High-voltage line net sealing device and erecting and dismantling method thereof |
-
2014
- 2014-12-30 CN CN201420858526.9U patent/CN204316006U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025923A (en) * | 2016-07-05 | 2016-10-12 | 绍兴市大兴电气承装有限公司 | Construction method of tension type power line protection net |
| CN106058724A (en) * | 2016-07-05 | 2016-10-26 | 国网浙江省电力公司绍兴供电公司 | Tension type power transmission line protecting system |
| CN106786311A (en) * | 2016-11-15 | 2017-05-31 | 于光成 | The accessible supply lines construction system in track field |
| CN107332153A (en) * | 2017-06-19 | 2017-11-07 | 天津送变电工程公司 | A kind of block single-column live crossing frame |
| CN110401164A (en) * | 2019-07-16 | 2019-11-01 | 国网河北省电力有限公司行唐县供电分公司 | A kind of cross-wired device and its stringing method |
| CN112152152A (en) * | 2020-10-10 | 2020-12-29 | 国网新疆电力有限公司昌吉供电公司 | Power transmission line crossing device and using method thereof |
| CN114221251A (en) * | 2021-10-29 | 2022-03-22 | 中国电建集团贵州电力设计研究院有限公司 | Lapping method for iron tower wiring above live wire |
| CN114221251B (en) * | 2021-10-29 | 2024-01-23 | 中国电建集团贵州电力设计研究院有限公司 | Overlap joint method for iron tower wiring above electrified connection lead |
| 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 |
| CN114725835A (en) * | 2022-04-27 | 2022-07-08 | 广东电网能源发展有限公司 | High-voltage line net sealing device and erecting and dismantling method thereof |
| CN114725835B (en) * | 2022-04-27 | 2024-04-09 | 广东电网能源发展有限公司 | Erection and dismantling method of high-voltage line net sealing device |
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