CN104993419A - Transmission line pay-off construction guide rope distributing process - Google Patents
Transmission line pay-off construction guide rope distributing process Download PDFInfo
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- CN104993419A CN104993419A CN201510304100.8A CN201510304100A CN104993419A CN 104993419 A CN104993419 A CN 104993419A CN 201510304100 A CN201510304100 A CN 201510304100A CN 104993419 A CN104993419 A CN 104993419A
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Abstract
The invention relates to a transmission line pay-off construction guide rope distributing process specifically comprising the following steps: towers are arranged according to a line branching construction process; (2) a pay-off block descends, and the original vertical hoisting position of a traction walking board gradually inclines; (3) the pay-off block moves forward under traction, a hook at the lower end of the pay-off block is opened, the pay-off block is separated from the traction walking board, and traction equipment is started to enable traction ropes to pull the traction walking board to move transversely; and (4) the steps (1)-(3) are repeated until the traction walking board arrives at the position of next tower, construction is carried out on the towers step by step, and the guide ropes are automatically distributed and placed in corresponding cable installation positions. According to the transmission line pay-off construction guide rope distributing process of the invention, the traditional pay-off process is changed, original traction ropes are changed into light and heat-resistant insulating ropes in distribution, and the light and heat-resistant insulating ropes respectively replace the traction ropes in wire traction. Construction is reduced, the number of used equipment including a tension pay-off machine and winching equipment is reduced, the construction procedure is simplified, the construction cost is lowered, and the construction efficiency is improved.
Description
Technical field
The invention belongs to field of electricity construction, relate to high-altitude Setting-out Technique between steel tower, especially a kind of transmission line payingoff construction guide rope divides rope technique.
Background technology
At present, transmission line construction technique is laying type unfolding pull rope, very easily disturb by external coordination in work progress, then carry out leading four band pull ropes, unfolding process and needing in coaster process of point restricting use tension pay-off machine and step by step steel tower all need more than 2 to twist mill to carry out.
Through retrieval, find the patent documentation of following analogous technical fields:
1., preparation of construction a kind of large-section lead " leads two " unfolding construction technology (CN102593759A), is characterized in that comprising the following steps:: carry out wire, ground wire crimping test, tension field and traction place, field, cleaning construction passage are set; 2., coaster is hung; 3., crossing construction; 4., tension stringing, unfolding ground wire, wire, face anchor in time; 5., crimping lead wire, carry out stringing, observation sag, hanging wire, complete whole construction.This invention ensures that each sub-conductor of homophase has identical laying tension, ensure that Poling Construction quality; And optimize the construction technologies such as wire winding pulley suspension, wire messenger and pull rope unfolding, unfolding conductor, stringing, annex installation, effectively improve tension stringing efficiency of construction; Reduce manpower, waste of time, and need number of devices few, floor space is little, has higher social economy's property.
A kind of laying tension machine actuation means (CN203269220U), there is the remote control case controlling the running of laying tension machine, remote control case is connected with the relay on all laying tension machines simultaneously, by the control system of remote control case, each laying tension machine is controlled, only need one can manipulate multiple stage machine simultaneously, reduce personnel cost; Meanwhile, one man operation's difficulty and trouble of avoiding many people to coordinate producing.There is larger distance between remote control case and laying tension machine, the huge noise of the other generation of laying tension machine and a large amount of dust can be avoided on the one hand, avoid the health of operating personnel to be affected; On the other hand, operating personnel can select suitable distance to manipulate, and sight line can not because being hindered laying tension machine is other, and the operating personnel that are more convenient for are to the observation at payingoff construction scene and control.
Comparative analysis, above published prior art is compared with the application's technology contents required for protection, and the technological means of its technical problem to be solved, employing all exists relatively big difference.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide that a kind of structure is simple, reasonable in design, easy to use, the transmission line payingoff construction guide rope of process divides rope technique.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of transmission line payingoff construction guide rope divides rope technique, it is characterized in that: all construction is all carried out in high-altitude, and namely on tower, carry out separated time construction, Specific construction technique is as follows:
(1) arrange steel tower according to separated time construction technology, in the upper center of steel tower 1, Lever Blocks is installed, position, outer, steel tower upper end is lifted with lifting block, and Lever Blocks is connected with a releasing pulley by this lifting block, and Lever Blocks controls releasing pulley and moves up and down;
Releasing pulley is coated with pull rope, and one end of this pull rope connects the front end of a traction limp, and the other end of this pull rope is to waiting that the direction of laying cable extends and is connected to the pulling equipment for drawing take-up; The rear end of traction limp connects many guide ropes uniformly at intervals,
On the releasing pulley steel tower that tiltedly below is corresponding, interval is provided with multiple towards sky coaster, is used for limited support guide rope towards sky coaster, towards sky coaster and guide rope one_to_one corresponding, increase and decrease can be needed towards the quantity of sky coaster according to construction;
Guide rope extends earthward, is connected to cable, and guide rope traction cable advances, and cable is pulled and rises on steel tower and spacing towards on sky coaster;
(2) releasing pulley declines, Lever Blocks runs and is loosened downwards by releasing pulley, releasing pulley declines until the height of traction limp is lower than towards sky coaster, now the weight of guide rope is pressed in towards on sky coaster, guide rope laterally pulls traction limp, traction limp is tilted gradually by original vertical Hoisting Position, and releasing pulley decline process remains a constant speed stable;
(3) draw advance, releasing pulley lower end hook is opened, and releasing pulley departs from traction limp, starts pulling equipment and makes pull rope pull traction limp transverse shifting;
Pulling equipment continuous firing, pull rope drives tow out plate, and tow out strip is moved many guide wires and synchronously moved to the next steel tower in direction to be onstructed;
(4) draw limp and arrive next steel tower position, then rise and arrive step initial position (1) in the front end of the releasing pulley mounting traction limp on next steel tower, repeat above-mentioned steps (1) to step (3), steel tower is constructed step by step, guide rope is split automatically the cable installation site placed in correspondence, construct and to carry out continuously in the air at height.
And draw the light-duty guide rope traction limp that limp adopts lightweight, heat-resistant insulation material to make in described technique, guide rope divides and is separately customized to different colours.
And described traction limp connects four guide ropes, guide rope adopts lightweight, heat-resisting, insulation guide rope.
Advantage of the present invention and good effect are:
1, this technique is incorporated into the opening and closing technique of releasing pulley, realizes, when avoiding adopting machinery, being split in each releasing pulley by guide rope.
2, this technique is all constructed and is all carried out in high-altitude, greatly avoids external coordination interference, shortens the unwrapping wire duration widely.
3, this technique saves the mechanical usage quantity of big machinery and each steel tower, and effect is extremely obvious.
4, this technique saves the input of workmen's work high above the ground personnel, reduces work high above the ground risk, strengthens the fail safe of workmen.
5, this technique is due to the lightweight adopted, heat-resisting, insulation guide rope, and in work progress, the danger degree such as personal safety and unexpected broken string reduce greatly.
6, transmission line payingoff construction guide rope of the present invention divides rope process reform traditional unwrapping wire technique, that pull rope changes lightweight into, high temperature insulation rope carries out a point rope by originally dividing rope, then wire traction is carried out by being replaced into pull rope respectively, reduce the usage quantity of construction to equipment such as tension pay-off machine and strand mills, simplify construction procedure, reduce construction cost, lifting construction efficiency.
Accompanying drawing explanation
Fig. 1 is construction procedure one of the present invention;
Fig. 2 is construction procedure two of the present invention;
Fig. 3 is construction procedure three of the present invention.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of transmission line payingoff construction guide rope divides rope technique, and Specific construction technique is as follows:
Construction procedure one, steel tower is arranged according to separated time construction technology, see accompanying drawing 1, in the upper center of steel tower 1, Lever Blocks 2 is installed, position, outer, steel tower upper end is lifted with lifting block 3, Lever Blocks is connected with a releasing pulley 4 by this lifting block, and Lever Blocks controls releasing pulley and moves up and down;
Releasing pulley is coated with pull rope 5, one end of this pull rope connects the front end of a traction limp 6, draw the light-duty guide rope traction limp that limp adopts lightweight, heat-resistant insulation material is made in this technique, the other end of this pull rope is to waiting that the direction of laying cable extends and is connected to the pulling equipment (not shown) for drawing take-up;
The rear end of traction limp connects many guide ropes uniformly at intervals, is connection four guide ropes in the conventional construction technology in the present embodiment, and guide rope adopts lightweight, heat-resisting, insulation guide rope, according to practice of construction, the specification of guide rope requires that carrying out calculating obtains,
For the ease of distinguishing phase sequence, guide rope divides and is separately customized to different colours, effectively improves efficiency of construction, avoids wiring error.
On the releasing pulley steel tower that tiltedly below is corresponding, interval is provided with multiple towards sky coaster 7, is used for limited support guide rope towards sky coaster, towards sky coaster and guide rope one_to_one corresponding, increase and decrease can be needed towards the quantity of sky coaster according to construction;
Guide rope extends earthward, is connected to cable, and guide rope traction cable advances, and cable is pulled and rises on steel tower and spacing towards on sky coaster;
Construction procedure two, releasing pulley declines, see accompanying drawing 2, Lever Blocks runs and is loosened downwards by releasing pulley, releasing pulley declines until the height of traction limp is lower than towards sky coaster, and now the weight of guide rope is pressed in towards on sky coaster, and guide rope laterally pulls traction limp, traction limp is tilted gradually by original vertical Hoisting Position, and releasing pulley decline process remains a constant speed stable;
Construction procedure three, traction is advanced, and see accompanying drawing 3, releasing pulley lower end hook is opened, and releasing pulley departs from traction limp, starts pulling equipment and makes pull rope pull traction limp transverse shifting;
Pulling equipment continuous firing, pull rope drives tow out plate, and tow out strip is moved many guide wires and synchronously moved to the next steel tower in direction to be onstructed;
Until traction limp arrives next steel tower position, then rise and arrive the initial position of step one in the front end of the releasing pulley mounting traction limp on next steel tower, repeat above-mentioned steps one to step 3, steel tower is constructed step by step, guide rope is split automatically the cable installation site placed in correspondence, construction is carried out in the air continuously at height, remarkable lifting construction efficiency.
The present invention is only presented as the change of pull rope use location and quantity on describing, but such change is the technological innovation overcoming industry traditional construction technique for many years, and its effect highly significant, is suitable for carrying out wide popularization and application in this area.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (3)
1. transmission line payingoff construction guide rope divides a rope technique, it is characterized in that: Specific construction technique is as follows:
(1) arrange steel tower according to separated time construction technology, in the upper center of steel tower 1, Lever Blocks is installed, position, outer, steel tower upper end is lifted with lifting block, and Lever Blocks is connected with a releasing pulley by this lifting block, and Lever Blocks controls releasing pulley and moves up and down;
Releasing pulley is coated with pull rope, and one end of this pull rope connects the front end of a traction limp, and the other end of this pull rope is to waiting that the direction of laying cable extends and is connected to the pulling equipment for drawing take-up; The rear end of traction limp connects many guide ropes uniformly at intervals,
On the releasing pulley steel tower that tiltedly below is corresponding, interval is provided with multiple towards sky coaster, is used for limited support guide rope towards sky coaster, towards sky coaster and guide rope one_to_one corresponding, increase and decrease can be needed towards the quantity of sky coaster according to construction;
Guide rope extends earthward, is connected to cable, and guide rope traction cable advances, and cable is pulled and rises on steel tower and spacing towards on sky coaster;
(2) releasing pulley declines, Lever Blocks runs and is loosened downwards by releasing pulley, releasing pulley declines until the height of traction limp is lower than towards sky coaster, now the weight of guide rope is pressed in towards on sky coaster, guide rope laterally pulls traction limp, traction limp is tilted gradually by original vertical Hoisting Position, and releasing pulley decline process remains a constant speed stable;
(3) draw advance, releasing pulley lower end hook is opened, and releasing pulley departs from traction limp, starts pulling equipment and makes pull rope pull traction limp transverse shifting;
Pulling equipment continuous firing, pull rope drives tow out plate, and tow out strip is moved many guide wires and synchronously moved to the next steel tower in direction to be onstructed;
(4) draw limp and arrive next steel tower position, then rise and arrive step initial position (1) in the front end of the releasing pulley mounting traction limp on next steel tower, repeat above-mentioned steps (1) to step (3), steel tower is constructed step by step, guide rope is split automatically the cable installation site placed in correspondence, construct and to carry out continuously in the air at height.
2. transmission line payingoff construction guide rope divides rope technique according to claim 1, it is characterized in that: draw the light-duty guide rope traction limp that limp adopts lightweight, heat-resistant insulation material to make in described technique, and guide rope divides and is separately customized to different colours.
3. transmission line payingoff construction guide rope divides rope technique according to claim 1, it is characterized in that: described traction limp connects four guide ropes, and guide rope adopts lightweight, heat-resisting, insulation guide rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304100.8A CN104993419B (en) | 2015-06-05 | 2015-06-05 | Transmission line of electricity payingoff construction guide rope point rope technique |
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| CN201510304100.8A CN104993419B (en) | 2015-06-05 | 2015-06-05 | Transmission line of electricity payingoff construction guide rope point rope technique |
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| CN104993419A true CN104993419A (en) | 2015-10-21 |
| CN104993419B CN104993419B (en) | 2018-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752550A (en) * | 2019-10-25 | 2020-02-04 | 四川电力送变电建设有限公司 | Multi-pulley arrangement method for steering field |
| CN115241798A (en) * | 2022-08-26 | 2022-10-25 | 国网山东省电力公司潍坊供电公司 | Lead ground wire unwrapping wire coaster structure |
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| SU997158A1 (en) * | 1981-04-29 | 1983-02-15 | Проектно-Конструкторское Бюро Главстроймеханизации Министерства Транспортного Строительства | Wire uncoiling device |
| JPH01248914A (en) * | 1988-03-28 | 1989-10-04 | Kyushu Denki Kensetsu Koji Kk | Snatch block device for wire extension |
| 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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| CN101697403A (en) * | 2009-10-23 | 2010-04-21 | 江苏省电力公司句容市供电公司 | Construction method for spreading lead wire and earth wire in transmission line |
| CN102593759A (en) * | 2012-02-16 | 2012-07-18 | 湖北省输变电工程公司 | One-pulling-two expansion and construction process of large-section lead |
| CN103663237A (en) * | 2014-01-24 | 2014-03-26 | 国家电网公司 | Supporting and orientating guide pulley which can rise and fall and has smoothing function |
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2015
- 2015-06-05 CN CN201510304100.8A patent/CN104993419B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU997158A1 (en) * | 1981-04-29 | 1983-02-15 | Проектно-Конструкторское Бюро Главстроймеханизации Министерства Транспортного Строительства | Wire uncoiling device |
| JPH01248914A (en) * | 1988-03-28 | 1989-10-04 | Kyushu Denki Kensetsu Koji Kk | Snatch block device for wire extension |
| 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 |
| CN201388013Y (en) * | 2009-03-06 | 2010-01-20 | 辽宁省电力有限公司盘锦供电公司 | Multi-purpose overturning sheave pulley |
| CN101697403A (en) * | 2009-10-23 | 2010-04-21 | 江苏省电力公司句容市供电公司 | Construction method for spreading lead wire and earth wire in transmission line |
| CN102593759A (en) * | 2012-02-16 | 2012-07-18 | 湖北省输变电工程公司 | One-pulling-two expansion and construction process of large-section lead |
| CN103663237A (en) * | 2014-01-24 | 2014-03-26 | 国家电网公司 | Supporting and orientating guide pulley which can rise and fall and has smoothing function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752550A (en) * | 2019-10-25 | 2020-02-04 | 四川电力送变电建设有限公司 | Multi-pulley arrangement method for steering field |
| CN110752550B (en) * | 2019-10-25 | 2020-11-06 | 四川电力送变电建设有限公司 | Multi-pulley arrangement method for steering field |
| CN115241798A (en) * | 2022-08-26 | 2022-10-25 | 国网山东省电力公司潍坊供电公司 | Lead ground wire unwrapping wire coaster structure |
| CN115241798B (en) * | 2022-08-26 | 2024-01-19 | 国网山东省电力公司潍坊供电公司 | Ground wire paying-off pulley structure |
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| CN104993419B (en) | 2018-04-03 |
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