CN105186378A - Power transmission line channel crossing protection mechanism - Google Patents
Power transmission line channel crossing protection mechanism Download PDFInfo
- Publication number
- CN105186378A CN105186378A CN201510674569.0A CN201510674569A CN105186378A CN 105186378 A CN105186378 A CN 105186378A CN 201510674569 A CN201510674569 A CN 201510674569A CN 105186378 A CN105186378 A CN 105186378A
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- pulley
- transmission line
- protection mechanism
- line channel
- electric transmission
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Abstract
The invention provides a power transmission line channel crossing protection mechanism comprising two mounting parts, a line laying pulley, two insulation lifting ropes and an insulation haulage rope; the two mounting parts respectively comprise an upper pulley and a lower pulley connected together; a side face below the upper pulley is provided with a jack allowing the upper pulley to hang on a cable; the line laying pulley comprises a support pulley and two insulation connecting rods arranged on two sides of an opening above the support pulley in a swing mode; one ends of the two insulation lifting ropes respectively wind the lower pulley of the two mounting parts, and are connected with the tops of the two insulation connecting rods; one end of the insulation haulage rope is connected below the support pulley. The power transmission line channel crossing protection mechanism needs no crossing rack, is small in construction engineering work load, high in mounting safety, and has good application prospect.
Description
Technical field
The present invention relates to a kind of cable construction instrument, especially a kind of electric transmission line channel that is used for crosses over protection mechanism.
Background technology
In construction of cable run, usually needing that replacing is led, ground wire, in order to protect below by leap facility, as power circuit, highway, railway, river, house owed by a citizen etc., usually can take safeguard measure, as: low-voltage transmission of electricity or distribution line, need to have a power failure; No through traffic for road and rail needs.
In the process changing lead wire and earth wire, in order to ensure that the lead wire and earth wire changed toward below landing, can not cause being had an impact by leap facility because of tension force not, crossing frame is set up in usual employing, highly exceed by leap facility, make the lead wire and earth wire of replacing drop in crossing frame, the main instrument adopted is by mao bamboon, iron wire etc., flow process is as follows: the first, before replacing lead wire and earth wire 10 to 15 days, is setting up crossing frame being crossed over the one or both sides of thing, fence is set, and it is on duty to send someone around; The second, when changing lead wire and earth wire, if be power circuit by leap facility, need to apply in advance having a power failure, if highway, need traffic control etc.; 3rd, after changing lead wire and earth wire, remove crossing frame.This kind crosses over resist technology to be needed within 10 to 15 days, to carry out setting up crossing frame in advance; area occupied is large; serious by landform, weather, environmental impact; in addition; because crossed line can not have a power failure simultaneously; be difficult to carry out traffic control by the highway, railway, navigable river etc. crossed over, all will have influence on more changing jobs of lead wire and earth wire.
Summary of the invention
The technical problem to be solved in the present invention needs power cut construction in the construction of existing restringing, and will build crossing frame, and construction work amount is large, and long construction period.
In order to solve the problems of the technologies described above, the invention provides a kind of electric transmission line channel and crossing over protection mechanism, comprise two carry parts, releasing pulley, two eradication edge halliards and thoroughly do away with edge pull rope; Two carry parts connect and compose by top sheave and lower sheave, and are provided with for the socket of top sheave carry on cable in the side, below of top sheave; Releasing pulley is arranged on the insulated connecting rod supporting pulley upper opening both sides forms by supporting pulley and two swing types; The upper end of two insulated connecting rods is connected to after two one end thoroughly doing away with edge halliard walk around the lower sheave of two carry parts respectively; One end of insulation pull rope is connected to the below supporting pulley.
Two carry parts carries are adopted not need on the cable of replacing at two, thoroughly do away with edge halliard with two respectively again and connect releasing pulley rear mount on two carry parts, by the height pulling two eradication edge halliards to regulate releasing pulley, thus realize the landing carry changing cable, without the need to building crossing frame, construct quick and convenient; Two insulated connecting rods are adopted can effectively the cable of replacing and insulated lift rope to be isolated on the one hand, cable is changed in charged situation, and without the need to power cut construction, inverted "eight" shape supporting construction can be formed in work progress on the other hand, effectively suppress releasing pulley at the aerial double swerve of height; Adopt insulation pull rope can realize the stable of releasing pulley and draw, suppress releasing pulley at the aerial double swerve of height further; By change cable be placed on the pulley that supports in pulley upper opening time, two insulated connecting rods effectively can prevent from changing when cable is beated and rubs with insulated lift rope, avoid causing insulated lift rope or replacing cable to wear and tear.
As further restriction scheme of the present invention, top sheave is taken turns by top sheave bearing and the upper spill be arranged on top sheave bearing and is formed; Lower sheave is taken turns by lower sheave bearing and the concave be arranged on lower sheave bearing and is formed; Be provided with the side connecting plate to downward-extension in the side of top sheave bearing, be vertically provided with turnover board in the lower edge of side connecting plate; Lower sheave bearing is arranged on below turnover board by bearing pin rotary type.Adopt, in turnover board rotated down formula, lower sheave is installed, can change to pull during direction at insulated lift rope and rotate in time, prevent insulated lift rope and lower sheave friction damage.
Scheme as a further improvement on the present invention, is provided with oblique pull plate between turnover board and side connecting plate.Adopt oblique pull plate can either lead when being mounted to by carry parts on the cable without the need to changing, on the cable that socket is successfully mounted to without the need to changing, can reinforce the connection between turnover board and side connecting plate again, after preventing Long-Time Service there is bending in turnover board.
Scheme as a further improvement on the present invention, is provided with the socket guide plate of outward-dipping turnover at top sheave bearing opposite side lower limb.Socket guide plate is adopted to lead when being mounted to by carry parts on the cable without the need to changing further, on the cable that socket is more successfully mounted to without the need to changing.
Scheme as a further improvement on the present invention, is provided with suspension ring at the top of top sheave bearing.Adopt suspension ring to be provoked by carry parts by rod easy to use, thus safely and efficiently carry parts are mounted on the cable without the need to changing.
Scheme as a further improvement on the present invention, is provided with the becket bridle connected for insulated lift rope at the upper end swing type of insulated connecting rod.Adopt becket bridle that insulated connecting rod can be facilitated to be connected with insulated lift rope, effectively improve the convenience of construction.
As further restriction scheme of the present invention, support pulley and form by supporting pulley support and being arranged on the support spill wheel supported on pulley support.
As further restriction scheme of the present invention, the upper opening both sides supporting pulley support are tilting articulated respectively by the lower end of hinge and two insulated connecting rods.Adopt chain connection can facilitate swing type fixed insulation connecting rod.
Scheme as a further improvement on the present invention, is provided with the bail connected for insulation pull rope in the below supporting pulley support.Adopt bail can conveniently insulate pull rope with support pulley be connected, further increase the convenience of construction.
As further restriction scheme of the present invention, supporting pulley support is U-shaped fork head type structure, and on two jaws, be equipped with a support spill wheel.Adopt the support pulley support of U-shaped fork head type structure, replacing cable can be placed on two and support on spill wheel, effectively improve the steadiness of cable.
Beneficial effect of the present invention is: (1) adopts two carry parts carries not need on the cable of replacing at two, thoroughly do away with edge halliard with two respectively again and connect releasing pulley rear mount on two carry parts, by the height pulling two eradication edge halliards to regulate releasing pulley, thus realize the landing carry changing cable, without the need to building crossing frame, construct quick and convenient; (2) two insulated connecting rods are adopted can effectively the cable of replacing and insulated lift rope to be isolated on the one hand, cable is changed in charged situation, and without the need to power cut construction, inverted "eight" shape supporting construction can be formed in work progress on the other hand, effectively suppress releasing pulley at the aerial double swerve of height; (3) adopt insulation pull rope can realize the stable of releasing pulley and draw, suppress releasing pulley at the aerial double swerve of height further; (4) by change cable be placed on the pulley that supports in pulley upper opening time, two insulated connecting rods effectively can prevent from changing when cable is beated and rubs with insulated lift rope, avoid causing insulated lift rope or replacing cable to wear and tear.
Accompanying drawing explanation
Fig. 1 is constructing structure schematic diagram of the present invention;
Fig. 2 is U-shaped fork head type releasing pulley forward sight structural representation of the present invention;
Fig. 3 is releasing pulley side-looking structural representation of the present invention;
Fig. 4 is single-sheaved block releasing pulley forward sight structural representation of the present invention;
Fig. 5 is carry component side TV structure schematic diagram of the present invention;
Fig. 6 is carry parts forward sight structural representation of the present invention.
In figure: 1, support pulley support, 1.1, support spill wheel, 1.2, bail, 2, insulated connecting rod, 2.1, becket bridle, 3, hinge, 4, side connecting plate, 4.1, top sheave bearing, 4.3, socket guide plate, 4.4, turnover board, 4.5, oblique pull plate, 4.6, upper spill wheel, 4.7, suspension ring, 5, lower sheave bearing, 5.1, concave wheel, 6, bearing pin, 7, insulated lift rope, 8, insulate pull rope, and 9, do not change cable, 10, change cable.
Embodiment
As shown in Figure 1, electric transmission line channel leap protection mechanism of the present invention comprises: two carry parts, releasing pulley, two eradication edge halliards 7 and thoroughly do away with edge pull ropes 8.
Wherein, two carry parts connect and compose by top sheave and lower sheave, and are provided with for the socket of top sheave carry on cable in the side, below of top sheave; Releasing pulley is arranged on the insulated connecting rod 2 supporting pulley upper opening both sides forms by supporting pulley and two swing types; The upper end of two insulated connecting rods 2 is connected to after two one end thoroughly doing away with edge halliard 7 walk around the lower sheave of two carry parts respectively; One end of insulation pull rope 8 is connected to the below supporting pulley.
As shown in Fig. 1,5 and 6, top sheave is taken turns 4.6 by top sheave bearing 4.1 and the upper spill be arranged on top sheave bearing 4.1 and is formed; Lower sheave is taken turns 5.1 by lower sheave bearing 5 and the concave be arranged on lower sheave bearing 5 and is formed; Be provided with the side connecting plate 4 to downward-extension in the side of top sheave bearing 4.1, be vertically provided with turnover board 4.4 in the lower edge of side connecting plate 4; Lower sheave bearing 5 is arranged on below turnover board 4.4 by bearing pin 6 rotary type; Oblique pull plate 4.5 is provided with between turnover board 4.4 and side connecting plate 4; The socket guide plate 4.3 of outward-dipping turnover is provided with at top sheave bearing 4.1 opposite side lower limb; Suspension ring 4.7 are provided with at the top of top sheave bearing 4.1.
As Figure 1-4, the becket bridle 2.1 connected for insulated lift rope 7 is provided with at the upper end swing type of insulated connecting rod 2; Support pulley to form by supporting pulley support 1 and being arranged on the support spill wheel 1.1 supported on pulley support 1; The upper opening both sides supporting pulley support 1 are tilting articulated respectively by the lower end of hinge 3 and two insulated connecting rods 2; The bail 1.2 connected for insulation pull rope 8 is provided with in the below supporting pulley support 1; Preferably, supporting pulley support 1 is U-shaped fork head type structure, and on two jaws, be equipped with a support spill wheel 1.1.
Electric transmission line channel of the present invention is crossed over protection mechanism and is comprised the steps: when constructing
(1) operating personnel carries transmission rope and steps on bar to cross-arm place, installs and transmits rope;
(2) the insulated lift rope 7 of two not end sockets is put in the concave wheel 5.1 of two carry parts by ground staff respectively, then the rod two carry parts and being thoroughly done away with edge utilizes the operating personnel transmitting and restrict and pass on tower;
(3) operating personnel on tower utilizes rod to choose on the suspension ring 4.7 of carry parts, two carry parts is mounted to two respectively and does not change on cable 9;
(4) Ground Operation personnel utilize two eradication edge halliards 7 to drag two carry parts respectively extremely by by the facility of crossing construction, again the other end of the insulated lift rope 7 on two carry parts is connected firmly with U-shaped becket bridle 2.1 colligation on the insulated connecting rod 2 of two epoxide resin materials respectively, then with on the bail 1.2 of an one end colligation thoroughly doing away with edge pull rope 8 below releasing pulley;
(5) ground staff pulls the other end of the insulated lift rope 7 on two carry parts simultaneously, observe the mark on insulation pull rope 8, releasing pulley is increased to ensure with below safe distance height, by adjusting the stressing conditions of two eradication edge halliards 7, adjust the level height position of releasing pulley, then put on the support spill wheel 1.1 at releasing pulley upper opening place by changing cable 10;
(6) after releasing pulley position is fixing, the other end of the insulated lift rope 7 on two carry parts is fixed on the firm object in ground by ground staff, as not having, can beat temporary ground anchor;
(7) after changing more having changed jobs of cable 10, unclamp insulated lift rope 7 fixing on ground, releasing pulley is fallen to being back to ground, carry parts are dragged back shaft tower, and on tower, personnel fetch carry parts, send instrument back to ground with transmission rope, tower under personnel, the end of job.
Claims (10)
1. electric transmission line channel crosses over a protection mechanism, it is characterized in that: comprise two carry parts, releasing pulley, two eradications edge halliard (7) and thoroughly do away with edge pull rope (8); Two carry parts connect and compose by top sheave and lower sheave, and are provided with for the socket of top sheave carry on cable in the side, below of top sheave; Releasing pulley is arranged on the insulated connecting rod (2) supporting pulley upper opening both sides forms by supporting pulley and two swing types; The upper end of two insulated connecting rods (2) is connected to after two one end thoroughly doing away with edge halliard (7) walk around the lower sheave of two carry parts respectively; One end of insulation pull rope (8) is connected to the below supporting pulley.
2. electric transmission line channel according to claim 1 crosses over protection mechanism, it is characterized in that: top sheave is taken turns (4.6) by top sheave bearing (4.1) and the upper spill be arranged on top sheave bearing (4.1) and formed; Lower sheave is taken turns (5.1) by lower sheave bearing (5) and the concave be arranged on lower sheave bearing (5) and is formed; Be provided with the side connecting plate (4) to downward-extension in the side of top sheave bearing (4.1), be vertically provided with turnover board (4.4) in the lower edge of side connecting plate (4); Lower sheave bearing (5) is arranged on turnover board (4.4) below by bearing pin (6) rotary type.
3. electric transmission line channel according to claim 2 crosses over protection mechanism, it is characterized in that: between turnover board (4.4) and side connecting plate (4), be provided with oblique pull plate (4.5).
4. the electric transmission line channel according to Claims 2 or 3 crosses over protection mechanism, it is characterized in that: the socket guide plate (4.3) being provided with outward-dipping turnover at top sheave bearing (4.1) opposite side lower limb.
5. the electric transmission line channel according to Claims 2 or 3 crosses over protection mechanism, it is characterized in that: be provided with suspension ring (4.7) at the top of top sheave bearing (4.1).
6. electric transmission line channel according to claim 1 and 2 crosses over protection mechanism, it is characterized in that: be provided with the becket bridle (2.1) connected for insulated lift rope (7) at the upper end swing type of insulated connecting rod (2).
7. electric transmission line channel according to claim 1 and 2 crosses over protection mechanism, it is characterized in that: support pulley and form by supporting pulley support (1) and being arranged on support spill wheel (1.1) supported on pulley support (1).
8. electric transmission line channel according to claim 7 crosses over protection mechanism, it is characterized in that: the upper opening both sides supporting pulley support (1) are tilting articulated with the lower end of two insulated connecting rods (2) respectively by hinge (3).
9. electric transmission line channel according to claim 7 crosses over protection mechanism, it is characterized in that: be provided with the bail (1.2) connected for insulation pull rope (8) in the below supporting pulley support (1).
10. electric transmission line channel according to claim 7 crosses over protection mechanism, it is characterized in that: supporting pulley support (1) is U-shaped fork head type structure, and on two jaws, be equipped with support spill wheel (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674569.0A CN105186378A (en) | 2015-10-19 | 2015-10-19 | Power transmission line channel crossing protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674569.0A CN105186378A (en) | 2015-10-19 | 2015-10-19 | Power transmission line channel crossing protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186378A true CN105186378A (en) | 2015-12-23 |
Family
ID=54908309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510674569.0A Pending CN105186378A (en) | 2015-10-19 | 2015-10-19 | Power transmission line channel crossing protection mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN105186378A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359539A (en) * | 2017-07-07 | 2017-11-17 | 国网山东省电力公司临沂供电公司 | Ground wire changes special crossing frame |
| CN107947029A (en) * | 2018-01-03 | 2018-04-20 | 宁波华翔东方电力机具有限公司 | A kind of distribution line crosses over shelves thread-changing coaster and its thread-changing method |
| CN108016991A (en) * | 2018-01-25 | 2018-05-11 | 国网福建省电力有限公司 | One kind lifting anticollision device, collision-prevention device |
| CN108429189A (en) * | 2018-05-29 | 2018-08-21 | 中国南方电网有限责任公司超高压输电公司百色局 | Double-pulley non-directional pulley and using method thereof |
| CN108421677A (en) * | 2018-05-11 | 2018-08-21 | 西安秦平电力科技发展有限公司 | Device with electrocoat coatings on high pressure bare conductor and construction method |
| 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 |
| CN111064125A (en) * | 2020-02-13 | 2020-04-24 | 河南牛帕力学工程研究院 | Assembly type stringing distribution construction method and line lifting tackle |
| CN113725779A (en) * | 2021-09-06 | 2021-11-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Tension stringing crossing protection device and anti-falling construction method for power line |
| CN115764705A (en) * | 2022-12-12 | 2023-03-07 | 广东电网有限责任公司江门供电局 | Binding insulating tool |
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| CN205141515U (en) * | 2015-10-19 | 2016-04-06 | 江苏省电力公司南京供电公司 | Protection mechanism is strideed across to transmission line passageway |
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| CN101436764A (en) * | 2008-11-13 | 2009-05-20 | 江苏省电力公司宜兴市供电公司 | Crossover stringing method for overhead line and stringing sheave pulley |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359539A (en) * | 2017-07-07 | 2017-11-17 | 国网山东省电力公司临沂供电公司 | Ground wire changes special crossing frame |
| CN107947029A (en) * | 2018-01-03 | 2018-04-20 | 宁波华翔东方电力机具有限公司 | A kind of distribution line crosses over shelves thread-changing coaster and its thread-changing method |
| CN108016991A (en) * | 2018-01-25 | 2018-05-11 | 国网福建省电力有限公司 | One kind lifting anticollision device, collision-prevention device |
| CN108016991B (en) * | 2018-01-25 | 2019-08-20 | 国网福建省电力有限公司 | A kind of lifting anticollision device, collision-prevention device |
| CN108421677A (en) * | 2018-05-11 | 2018-08-21 | 西安秦平电力科技发展有限公司 | Device with electrocoat coatings on high pressure bare conductor and construction method |
| CN108429189A (en) * | 2018-05-29 | 2018-08-21 | 中国南方电网有限责任公司超高压输电公司百色局 | Double-pulley non-directional pulley and using method 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 |
| CN111064125A (en) * | 2020-02-13 | 2020-04-24 | 河南牛帕力学工程研究院 | Assembly type stringing distribution construction method and line lifting tackle |
| CN113725779A (en) * | 2021-09-06 | 2021-11-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Tension stringing crossing protection device and anti-falling construction method for power line |
| CN113725779B (en) * | 2021-09-06 | 2023-12-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | Tension-type overhead line crossing protection device and construction method for preventing falling of power line |
| CN115764705A (en) * | 2022-12-12 | 2023-03-07 | 广东电网有限责任公司江门供电局 | Binding insulating tool |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |