CN104577875A - Construction method of block crossover frame cable of power circuit - Google Patents
Construction method of block crossover frame cable of power circuit Download PDFInfo
- Publication number
- CN104577875A CN104577875A CN201410832342.XA CN201410832342A CN104577875A CN 104577875 A CN104577875 A CN 104577875A CN 201410832342 A CN201410832342 A CN 201410832342A CN 104577875 A CN104577875 A CN 104577875A
- Authority
- CN
- China
- Prior art keywords
- sides
- rope
- construction method
- power circuit
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electric Cable Installation (AREA)
Abstract
The invention relates to a construction method of a block crossover frame cable of a power circuit. The construction method comprises the following steps: a) constructing an electric power tower which cross both sides of a space, wherein the electric power tower and the construction are performed by an existing construction method; b) connecting two cableways which are in butt joint and constructed by bearing ropes to positions below lower cross arms on both sides of the electric power tower on the two sides; c) manufacturing electric isolation covered nets on the cableways above crossing objects of crossed electric power, high-speed rails and highways, wherein the covered nets are formed by that insulation glass-reinforced plastic support rods are perpendicularly arranged at intervals on bearing ropes which are in parallel arrangement; d) according to an existing conventional wiring method, erecting the power circuit. The construction method disclosed by the invention has the characteristics of convenience, simplicity, low cost and the like, can ensure the wiring construction to be performed successfully, and can ensure the crossed electric power, the high-speed rails and the highways to be safe.
Description
Technical field
What the present invention relates to is a kind of block line level crossing construction method of power circuit, belongs to power line construction technical field.
Background technology
Along with the development of economic construction, it is more and more that newly-built transmission line crosses over operation power circuit, highway, railway and other barrier, existing tension stringing crossing construction is more and more difficult, have a strong impact on the safety of Poling Construction, construction schedule, be badly in need of one for this reason and can guarantee construction safety, guarantee construction schedule, reduce the power circuit block line level crossing construction method of construction cost.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of convenient and simple, cost is low, can guarantee that Poling Construction carries out smoothly, guarantees by the power circuit block line level crossing construction method across electric power, high ferro and expressway safety.
The object of the invention is to have come by following technical solution, a kind of block line level crossing construction method of power circuit, this construction method comprises the steps:
A) build the electric force pole tower crossing over both sides, space, described electric force pole tower and construction are all undertaken by existing method of construction;
B) under the both sides of both sides electric force pole tower, below cross-arm, connect twice carrying rope dock and the cableway formed,
C) by leap electric power, high ferro and super expressway these across the capping net cableway above thing being made electric isolution, this capping net forms by described two carrying ropes be arranged in parallel being arranged vertically the insulating glass bracing members bar that keeps at a certain distance away;
D) erection of power circuit is carried out according to the stringing method of existing routine.
In the preferred technical scheme of the present invention:
In described step b), twice cableway lays respectively at cross-arm lower plane both sides under shaft tower, namely under described shaft tower, cross-arm lower plane both sides hang two groups of temporary cross arms respectively, and be hung with a pulley yoke often organizing limit, two ends below temporary cross arm pole crossing frame, on pulley yoke corresponding on the shaft tower of both sides, the company of wearing carries rope respectively, and is separately fixed on the earth anchor outside respective shaft tower by the two ends of carrying rope; Make at least respectively to be had two to carry to restrict by the lower cross-arm both sides crossing over both sides, space shaft tower and cableway described in forming;
In described step d), the power circuit of erection, the vertical range between ground wire wherein and described capping net should control within 1.5 meters.
The further technical scheme of the present invention is:
In described step b), described pulley yoke selects the double block be made up of about two pulleys arranged, described upper lower sheave is respectively worn the carrying of the twice up and down rope be connected with in crossing over shape, above the two ends of twice carrying rope and the rope of twice carrying be below connected on earth anchor that ground is arranged; Described cableway is made up of each four carrying ropes up and down, wherein the rope of twice carrying above keeps at a certain distance away and is hung with one respectively symmetrically with the single-sheaved block of suspension hook, and each suspension hook all correspondingly wear be connected with below carrying rope;
Hang between two suspension hooks be arranged symmetrically with and be connected with horizontal glass reinforced plastic pipe and also form the capping net be positioned at above across thing;
In described step b), described pulley yoke hangs in temporary cross arm pole crossing frame by the suspension shackle of upper end, this temporary cross arm is combined by steel tower pole, and hang on cross-arm lower plane place under shaft tower with the shackle that steel wire rope is furnished with 8t, outside 6t Lever Blocks regulates, phase-splitting is hung, and separately in order to increase the installation strength of temporary cross arm, is fixedly connected on earth anchor after the both end sides of temporary cross arm is connected with temporary guy respectively with outside from outside and side, front and back.
The present invention has easy construction, and cost is low, can guarantee that Poling Construction carries out smoothly, guarantees by across features such as electric power, high ferro and expressway safeties.
Accompanying drawing explanation
Fig. 1 is block line level crossing structural representation of the present invention.
Fig. 2 is tower structure schematic diagram of the present invention.
Fig. 3 is single runway structures schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, and the block line level crossing construction method of a kind of power circuit of the present invention, this construction method comprises the steps:
A) build the electric force pole tower 1 crossing over both sides, space, as shown in Figure 2, described electric force pole tower 1 and construction are all undertaken by existing method of construction;
B) under the both sides of both sides electric force pole tower 1, below cross-arm 2, connect twice carrying rope 3 dock and the cableway 4 formed,
C) by leap electric power, high ferro and super expressway these across the capping net 6 cableway 4 above thing 5 being made electric isolution, this capping net 6 forms by described two carrying ropes 3 be arranged in parallel being arranged vertically the insulating glass bracing members bar 7 kept at a certain distance away;
D) erection of power circuit is carried out according to the stringing method of existing routine.
Shown in Fig. 1-3, in step b) of the present invention, twice cableway 4 lays respectively at shaft tower 1 time cross-arm 2 lower plane both sides, namely under described shaft tower, cross-arm 2 lower plane both sides hang two groups of temporary cross arms 8 respectively, and limit, two ends is hung with a pulley yoke 10 below often organizing temporary cross arm 8 pole crossing frame 9, on pulley yoke 10 corresponding on both sides shaft tower 1, the company of wearing carries rope 3 respectively, and is separately fixed on the earth anchor 11 outside respective shaft tower 1 by the two ends of carrying rope 3; Make at least respectively had two to carry the cableway 4 of rope 3 also described in formation by lower cross-arm 2 both sides crossing over both sides, space shaft tower 1;
In described step d), the power circuit of erection, the vertical range between ground wire wherein and described capping net should control within 1.5 meters.
Shown in figure, in described step b), described pulley yoke 10 selects the double block be made up of about two pulleys arranged, described upper lower sheave is respectively worn the carrying of the twice up and down rope 3 be connected with in crossing over shape, above twice carrying rope 3 and below twice carry the two ends of rope 3 and be connected on earth anchor 11 that ground is arranged; Described cableway 4 is made up of each four carrying ropes 3 up and down, wherein the rope of twice carrying above keeps at a certain distance away and is hung with one respectively symmetrically with the single-sheaved block 12 of suspension hook, and each suspension hook all correspondingly wear be connected with below carry rope 3;
Hang between two suspension hooks be arranged symmetrically with and be connected with horizontal glass reinforced plastic support bar 7 and also form the capping net 6 be positioned at above across thing;
The further embodiment of the present invention is: in described step b), described pulley yoke 10 hangs in temporary cross arm 8 pole crossing frame by the suspension shackle of upper end, this temporary cross arm 8 is combined by steel tower pole, and hang on cross-arm 2 lower plane place under shaft tower with the shackle that steel wire rope is furnished with 8t, outside 6t Lever Blocks 13 regulates, phase-splitting is hung, another in order to increase the installation strength of temporary cross arm 8, be fixedly connected on earth anchor from outside and side, front and back after the both end sides of temporary cross arm 8 is connected with temporary guy 14 respectively with outside.
Claims (4)
1. a block line level crossing construction method for power circuit, is characterized in that this construction method comprises the steps:
A) build the electric force pole tower crossing over both sides, space, described electric force pole tower and construction are all undertaken by existing method of construction;
B) under the both sides of both sides electric force pole tower, below cross-arm, connect twice carrying rope dock and the cableway formed,
C) by leap electric power, high ferro and super expressway these across the capping net cableway above thing being made electric isolution, this capping net forms by described two carrying ropes be arranged in parallel being arranged vertically the insulating glass bracing members bar that keeps at a certain distance away;
D) erection of power circuit is carried out according to the stringing method of existing routine.
2. the block line level crossing construction method of power circuit according to claim 1, is characterized in that:
In described step b), twice cableway lays respectively at cross-arm lower plane both sides under shaft tower, namely under described shaft tower, cross-arm lower plane both sides hang two groups of temporary cross arms respectively, and be hung with a pulley yoke often organizing limit, two ends below temporary cross arm pole crossing frame, on pulley yoke corresponding on the shaft tower of both sides, the company of wearing carries rope respectively, and is separately fixed on the earth anchor outside respective shaft tower by the two ends of carrying rope; Make at least respectively to be had two to carry to restrict by the lower cross-arm both sides crossing over both sides, space shaft tower and cableway described in forming;
In described step d), the power circuit of erection, the vertical range between ground wire wherein and described capping net should control within 1.5 meters.
3. the block line level crossing construction method of power circuit according to claim 2, is characterized in that:
In described step b), described pulley yoke selects the double block be made up of about two pulleys arranged, described upper lower sheave is respectively worn the carrying of the twice up and down rope be connected with in crossing over shape, above the two ends of twice carrying rope and the rope of twice carrying be below connected on earth anchor that ground is arranged; Described cableway is made up of each four carrying ropes up and down, wherein the rope of twice carrying above keeps at a certain distance away and is hung with one respectively symmetrically with the single-sheaved block of suspension hook, and each suspension hook all correspondingly wear be connected with below carrying rope;
Hang between two suspension hooks be arranged symmetrically with and be connected with horizontal glass reinforced plastic pipe and also form the capping net be positioned at above across thing.
4. the block line level crossing construction method of the power circuit according to Claims 2 or 3, is characterized in that:
In described step b), described pulley yoke hangs in temporary cross arm pole crossing frame by the suspension shackle of upper end, this temporary cross arm is combined by steel tower pole, and hang on cross-arm lower plane place under shaft tower with the shackle that steel wire rope is furnished with 8t, outside 6t Lever Blocks regulates, phase-splitting is hung, and separately in order to increase the installation strength of temporary cross arm, is fixedly connected on earth anchor after the both end sides of temporary cross arm is connected with temporary guy respectively with outside from outside and side, front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832342.XA CN104577875A (en) | 2014-12-29 | 2014-12-29 | Construction method of block crossover frame cable of power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832342.XA CN104577875A (en) | 2014-12-29 | 2014-12-29 | Construction method of block crossover frame cable of power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104577875A true CN104577875A (en) | 2015-04-29 |
Family
ID=53093357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832342.XA Pending CN104577875A (en) | 2014-12-29 | 2014-12-29 | Construction method of block crossover frame cable of power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577875A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790156A (en) * | 2016-04-11 | 2016-07-20 | 天津送变电工程公司 | Transmission line construction new net-blocking construction method |
| 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 |
| CN108512115A (en) * | 2018-04-12 | 2018-09-07 | 浙江省送变电工程有限公司 | Utilize the block system and its installation, method for dismounting of auxiliary cross-arm spanning the transmission line |
| CN111355187A (en) * | 2020-04-10 | 2020-06-30 | 浙江省送变电工程有限公司 | Method for replacing ground wire by crossing high-speed rail by using old lead net sealing |
| CN111431089A (en) * | 2020-04-23 | 2020-07-17 | 国网湖南省电力有限公司 | Electrified crossing construction net sealing method for power transmission line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005333789A (en) * | 2004-05-20 | 2005-12-02 | Kawakita Electrical Construction Engineering Co Ltd | Construction method of hanging sheave type line shifting by forming net |
| CN201315444Y (en) * | 2008-11-20 | 2009-09-23 | 四川电力送变电建设公司 | Suspended cable basket blocking net charged crossing support |
| CN102738732A (en) * | 2011-04-08 | 2012-10-17 | 上海市电力公司 | Construction method for 500kV line to span highly intensive high-voltage live lines |
| CN203445520U (en) * | 2013-07-19 | 2014-02-19 | 兴化市永盛电力器材有限公司 | Live spanning device |
| CN203645249U (en) * | 2014-01-10 | 2014-06-11 | 葛洲坝集团电力有限责任公司 | Hook-net-plane-type charged crossing device |
-
2014
- 2014-12-29 CN CN201410832342.XA patent/CN104577875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005333789A (en) * | 2004-05-20 | 2005-12-02 | Kawakita Electrical Construction Engineering Co Ltd | Construction method of hanging sheave type line shifting by forming net |
| CN201315444Y (en) * | 2008-11-20 | 2009-09-23 | 四川电力送变电建设公司 | Suspended cable basket blocking net charged crossing support |
| CN102738732A (en) * | 2011-04-08 | 2012-10-17 | 上海市电力公司 | Construction method for 500kV line to span highly intensive high-voltage live lines |
| CN203445520U (en) * | 2013-07-19 | 2014-02-19 | 兴化市永盛电力器材有限公司 | Live spanning device |
| CN203645249U (en) * | 2014-01-10 | 2014-06-11 | 葛洲坝集团电力有限责任公司 | Hook-net-plane-type charged crossing device |
Non-Patent Citations (1)
| Title |
|---|
| 白林杰: "《输电线路跨越施工典型方案》", 31 December 2012, 中国电力出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790156A (en) * | 2016-04-11 | 2016-07-20 | 天津送变电工程公司 | Transmission line construction new net-blocking construction method |
| 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 |
| CN108512115A (en) * | 2018-04-12 | 2018-09-07 | 浙江省送变电工程有限公司 | Utilize the block system and its installation, method for dismounting of auxiliary cross-arm spanning the transmission line |
| CN111355187A (en) * | 2020-04-10 | 2020-06-30 | 浙江省送变电工程有限公司 | Method for replacing ground wire by crossing high-speed rail by using old lead net sealing |
| CN111431089A (en) * | 2020-04-23 | 2020-07-17 | 国网湖南省电力有限公司 | Electrified crossing construction net sealing method for power transmission line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104577875A (en) | Construction method of block crossover frame cable of power circuit | |
| CN201315444Y (en) | Suspended cable basket blocking net charged crossing support | |
| CN204316006U (en) | A kind of electric transmission line hot-line crosses over block device | |
| CN203377546U (en) | High speed railway spanning construction apparatus | |
| CN102290742B (en) | Tension stringing construction technology | |
| CN105780658B (en) | A kind of Spatial Cable face structural cables system is laterally to pulling method | |
| CN101442194A (en) | Spanning method for ultra, extra high voltage line construction without crossover frame | |
| CN101834424B (en) | Method for mounting overhead ground wire on horizontally-arranged 10KV insulated wire lines and lightning arrester support | |
| CN105186378A (en) | Power transmission line channel crossing protection mechanism | |
| CN204424793U (en) | A kind of block crossing frame of power circuit | |
| CN103243963A (en) | Method for steel pipe pole segmental hoisting by aid of suspended holding pole | |
| CN203850795U (en) | Windage yaw prevention flexible control device used for power transmission lines | |
| CN205954489U (en) | Stride cast -in -place space of business line steel structure construction protection on bridge and move movable support | |
| CN209081290U (en) | Bailey truss pylon and distributing earth anchor CABLEWAY ERECTION SYSTEM that can be traversing | |
| CN103915807A (en) | Windage-yaw-prevention flexible control device for power transmission line | |
| CN101966823A (en) | Carrier cable crossing frame and erecting method thereof | |
| CN103288002A (en) | Simple combination portal upper-air heavy-article hoisting device | |
| CN203445520U (en) | Live spanning device | |
| CN201252365Y (en) | Construction charged crossover device of ultra-high and special-high voltage transmission line | |
| CN203835019U (en) | Telegraph pole fixing device | |
| CN205346676U (en) | High -speed railway of not stopping transport across device's span beam becomes width of cloth rotary mechanism | |
| CN204012462U (en) | A kind of for setting up the suspender of wire | |
| CN203632094U (en) | Anti-wire-jumping stringing spanning frame | |
| CN203911340U (en) | Safe and reliable crossing frame | |
| CN204139697U (en) | Pole guy fastening devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |