CN102856841B - The mechanical laying method of large-cross section aerial cable - Google Patents

The mechanical laying method of large-cross section aerial cable Download PDF

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Publication number
CN102856841B
CN102856841B CN201210387595.1A CN201210387595A CN102856841B CN 102856841 B CN102856841 B CN 102856841B CN 201210387595 A CN201210387595 A CN 201210387595A CN 102856841 B CN102856841 B CN 102856841B
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China
Prior art keywords
cable
coaster
laying
large
section
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CN201210387595.1A
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Chinese (zh)
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CN102856841A (en
Inventor
姜朴
李运涛
夏庆
王明根
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中铝国际山东建设有限公司
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Publication of CN102856841A publication Critical patent/CN102856841A/en
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Abstract

The present invention relates to a kind of cable laying method, be specifically related to a kind of mechanical laying method of large-cross section aerial cable.It uses hauling machine as traction power, and in cabling process, cable coaster coordinates gravity self-locking formula cable hanging coaster to complete the high-altitude delivery of cable.The invention provides the mechanical laying method of a kind of heavy in section, large quality aerial cable, heavy in section, the greatly traction of quality cable high-altitude mechanical can be realized once lay and put in place, realize the target of the efficiency of construction of raising cable laying, reduction engineering and construction cost, betterment works quality, minimizing security risk.

Description

The mechanical laying method of large-cross section aerial cable

Technical field

The present invention relates to a kind of cable laying method, be specifically related to a kind of mechanical laying method of large-cross section aerial cable.

Background technology

Current cable is maked somebody a mere figurehead laying work construction and is all adopted artificial mode of traction, for small bore power cable, small dimension communication cable and optical cable equal diameter, cable that quality is little, usual use suspension type cable coaster manually draws and lays, and utilizes that ladder or high-altitude chair lift use strain relief clamp aloft, cable clip is fixed on steel strand wire.When the cross-section of cable laid when built on stilts, quality are large, in laid processes, after steel strand wire load, sag becomes large, suspension type cable coaster will be concentrated to low spot slippage, cause laying and cannot carry out, therefore, when at present heavy in section, large quality cable being maked somebody a mere figurehead and laid, after all adopting artificial ground to tract, the artificial rope lifting piecemeal from cable one end, utilizes that ladder or high-altitude chair lift use strain relief clamp aloft, cable clip is fixed on steel strand wire.When cable lays along building is built on stilts, because of place restriction, often need bundle to establish scaffold or use engineering working vehicle to promote attached cable.Because aerial cable is afterwards fixing and steel strand wire spacing is very little, therefore, when cable lifts by crane after the unfolding of ground, for realizing strain relief clamp or hook attached cable, reduce the spacing of the rear cable of lifting and steel strand wire as far as possible, lifting rope cannot use pulley, can only with steel strand wire direct friction, exist lifting effort, rope wear large and because producing impact load during lifting, disconnected rope factor forms potential safety hazard, defects such as causing heavy in section, large quality cable makes somebody a mere figurehead that laying technology exists that efficiency is low, cost is high, cable laying quality and construction safety not easily ensure.

Summary of the invention

According to above deficiency of the prior art, the technical problem to be solved in the present invention is to provide the mechanical laying method of a kind of heavy in section, large quality aerial cable, heavy in section, the greatly traction of quality cable high-altitude mechanical can be realized once lay and put in place, realize the target of the efficiency of construction of raising cable laying, reduction engineering and construction cost, betterment works quality, minimizing security risk.

The technical solution adopted for the present invention to solve the technical problems is: use hauling machine as traction power, and in cabling process, cable coaster coordinates gravity self-locking formula cable hanging coaster to complete the high-altitude delivery of cable.

Specifically comprise the steps:

(1), according to laying turning cable coaster and the gravity self-locking formula cable coaster quantity that path computing draws needs, determine that coaster spacing and position also arrange according to this, by pull rope successively through turning cable coaster and gravity self-locking formula cable coaster.

(2), then turning cable coaster is arranged on the corner of electric pole or framework, gravity self-locking formula cable coaster is evenly arranged on the steel strand wire between adjacent wire bar or framework along cable run.

(3), the initial termination of cable on one end stube cable dish of pull rope, the other end connects hauling machine, opens hauling machine and utilizes pull rope to be reached home along laying path traction in the air from cable hank by electric cable with large cross-section.

(4), installing cables clamp, cable clip successively, be fixed on by cable on steel strand wire, remove cable coaster, install mark, cable laying is complete.

Wherein in step 2, electric pole or framework temporary reinforcing device are reinforced.In step 3 pull rope by pull rope through rotary connector, drawing head or cable grip stube cable dish.Hauling machine structures or earth anchorage.

Concrete steps can be subdivided into:

1., according to model specification and the working condition laying path of wish cabling, calculate and determine the gravity self-locking formula cable hanging installing space of coaster and the installation site of turning cable coaster.

2. coaster hung by vertical gravity self-locking formula cable of placing, open its cable chamber door, pull rope is put on sipes pulley, closed locking door-plate, action bars level spoon pin is inserted coaster and mounts the steel strand wire that in keyhole, lifting coaster is installed a little more than wish, suspension hook opening is close to downslide towards steel strand wire, steel strand wire are entered in suspension hook groove along suspension hook guided plate be firmly linked with, its level spoon pin extraction is mounted keyhole by pulling operation bar, and coaster compresses steel strand wire through locking pressure plate under Gravitative Loads, coaster lock-bit.Install all gravity self-locking formula cables hanging coaster successively, pull rope is also thereupon in place.As required turning cable coaster is installed.

3. according to the force-bearing situation of electric pole or framework with need to take temperature pier measure, as increased bracing means or other reinforcement measures such as support bar, for supporting electric wire bar or framework.

4. by pull rope through rotary connector, drawing head or cable grip stube cable; start hauling machine to advance through pull rope trailing cable; when rotary connector, drawing head or cable end contact coaster sipes pulley; because of the horizontal thrust effect that its reducing produces coaster; the coupling mechanism force of coaster will be strengthened; guarantee that coaster can not produce displacement under horizontal thrust effect, make cable pass through coaster smoothly.In cable laying, the gravity of cable will strengthen the coupling mechanism force of gravity self-locking formula coaster, guarantee coaster accurate positioning and locking all the time.

5. after completing cable pulling, use ladder or high-altitude chair lift close to steel strand wire, are opened the cable chamber door of coaster, cable are lifted away from sipes pulley and take out by coaster cable vault by one end, use strain relief clamp or cable clip to be fixed on steel strand wire by cable, unlock and take off coaster.Successively whole piece cable is fixed on steel strand wire.Aerial cable lays complete.

Pull rope is connected with the initial termination of cable and adopts installing cables drawing head or cable grip mode to coordinate with rotary connector to realize; Pull rope is without twisting braided wire rope, and hauling machine is tractor-drawn machine or strand mill.

Gravity self-locking formula cable hanging coaster can use action bars to complete its high-altitude on ground and install.

Gravity self-locking formula cable hanging coaster put into by pull rope on ground, and arrives high-altitude with it, reduces work high above the ground.

According to the force-bearing situation of electric pole or framework with need to take temperature pier measure.

The beneficial effect that the present invention has is:

1. can solve that current electric cable with large cross-section makes somebody a mere figurehead can not the machinery technical barrier that lay, and realizes that electric cable with large cross-section is built on stilts lays one-time-reach-place, avoids the hazards that when manually laying, rope lifting cable produces.

2. use gravity self-locking formula cable hanging coaster, solve the technical barrier that common suspension type cable coaster installs location difficulty, create electric cable with large cross-section and make somebody a mere figurehead machinery and lay realization condition, reduce the accident risk of work high above the ground.

3. utilize mechanical traction to improve the efficiency of construction of cable laying, reduce construction cost, accelerating construction progress, ensure construction safety and quality.

4. there is the effect of tension stringing, when cable run environmental condition is poor, barrier is many, interim measure expense can be saved, reduce engineering and construction cost, the reduction of erection time.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

In figure: 1, cable hank; 2, cable coaster; 3, electric cable with large cross-section; 4, steel strand wire; 5, gravity self-locking formula cable hanging coaster; 6, electric pole; 7, cable drawing head or cable grip; 8, rotary connector; 9, without twisting braiding haulage cable; 10, hauling machine; 11, earth anchor; 12, strain relief clamp or cable clip.

Embodiment

Below in conjunction with accompanying drawing, embodiments of the invention are described further:

As shown in Figure 1, before cable laying, in each corner of circuit, the cable coaster 2 for leading is installed, along laying-out unfolding without twisting braiding haulage cable 9; Coaster 5 hung by the gravity self-locking formula cable penetrated without twisting braiding haulage cable 9 to use action bars to install at laying-out straightway interval 6 ~ 12m, optionally installs the guiding cable coaster 2 without twisting braiding haulage cable 9 near cable laying terminal Z place.Terminal Z place in laying-out, utilizes structures or installs earth anchor 11 fixed traction machine 10, the initial point S place in laying-out, construction cable coil 1; Installing cables drawing head or cable grip 7 on the termination for laying electric cable with large cross-section 3, drawing head or cable grip 7 through rotary connector 8 with weave haulage cable 9 without twisting and be connected, start hauling machine 10 and draw electric cable with large cross-section 3 and to be reached home Z by initial point S; Select a cable termination to install and light fixing electric cable with large cross-section 3, when arriving cable rack vacancy, use ladder or high-altitude chair lift close to steel strand wire 4, open the cable chamber door of cable coaster 2 and gravity self-locking formula cable hanging coaster 5, electric cable with large cross-section 3 is hung the cable vault of coaster 5 from cable coaster 2 and gravity self-locking formula cable and takes out, use strain relief clamp or cable clip 12 to be fixed on steel strand wire 4 by electric cable with large cross-section 3, take off gravity self-locking formula cable hanging coaster 5, remove cable coaster 2.Be fixed on steel strand wire 4 by whole piece electric cable with large cross-section 3 successively, the machinery that electric cable with large cross-section is maked somebody a mere figurehead has laid.

Meet the situation not easily cable being directly drawn to cable termination mounting points, manually the beginning of electric cable with large cross-section 3, end are applied to cable termination mounting points.

When needs lay multi-cable on same steel strand wire, do not remove cable coaster, while attached cable, put on pull rope when fixing last cable, after cable fixedly completes, a rear cable is laid in traction.

The present invention is applicable to electric cable with large cross-section and makes somebody a mere figurehead machinery and lay.

The invention provides a kind of electric cable with large cross-section to make somebody a mere figurehead machinery and lay, it is characterized in that using hauling machine as traction power, in cabling process, use gravity self-locking formula cable hanging coaster to realize the delivery of cable, gravity self-locking formula cable hanging coaster is accurately located in the overall process of electric cable with large cross-section aerotow.The mechanical traction that present invention achieves electric cable with large cross-section built on stilts is laid, cable once can be laid and put in place, significantly improve electric cable with large cross-section and make somebody a mere figurehead the efficiency of construction of laying, avoid the potential safety hazard that conventional laying method is formed because of lifting cable generation impact load, disconnected rope factor, decrease work high above the ground, engineering and construction cost, betterment works quality can be reduced, reduce security risk.

Claims (4)

1. a mechanical laying method for large-cross section aerial cable, is characterized in that, uses hauling machine as traction power, and in cabling process, cable coaster coordinates gravity self-locking formula cable hanging coaster to complete the high-altitude delivery of cable; Comprise the steps:
(1), according to laying turning cable coaster and the gravity self-locking formula cable coaster quantity that path computing draws needs, determine that coaster spacing and position also arrange according to this, by pull rope successively through turning cable coaster and gravity self-locking formula cable coaster;
(2), then turning cable coaster is arranged on the corner of electric pole or framework, gravity self-locking formula cable coaster is evenly arranged on the steel strand wire between adjacent wire bar or framework along cable run;
(3), the initial termination of cable on one end stube cable dish of pull rope, the other end connects hauling machine, opens hauling machine and utilizes pull rope to be reached home along laying path traction in the air from cable hank by electric cable with large cross-section;
(4), installing cables clamp, cable clip successively, be fixed on by cable on steel strand wire, remove cable coaster, install mark, cable laying is complete.
2. method according to claim 1, is characterized in that, wherein the initial termination of pull rope cable on rotary connector, drawing head or cable grip stube cable dish in step 3.
3. method according to claim 1, is characterized in that, wherein hauling machine structures or earth anchorage in step 3.
4. method according to claim 1, is characterized in that, wherein in step 2, electric pole or framework temporary reinforcing device are reinforced.
CN201210387595.1A 2012-10-11 2012-10-11 The mechanical laying method of large-cross section aerial cable CN102856841B (en)

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Application Number Priority Date Filing Date Title
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CN102856841B true CN102856841B (en) 2015-08-19

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WO2015026038A1 (en) * 2013-08-21 2015-02-26 대우조선해양 주식회사 System for controlling power line-laying robots
CN104300438B (en) * 2014-09-23 2017-02-08 国家电网公司 Method for laying large cable on small tray of overhead cable bridge
CN105390992B (en) * 2015-11-27 2017-09-29 沈阳师范大学 A kind of chute type robot comprehensive wiring method
CN105896398B (en) * 2016-05-18 2018-06-19 中国十九冶集团有限公司 A kind of electric cable with large cross-section laying method
CN105896435B (en) * 2016-05-30 2018-09-21 福建泉州远方致远自动化科技有限公司 A kind of aerial implementation of communication pipe
CN106549341B (en) * 2016-12-10 2017-12-05 青岛蓝天创先科技服务有限公司 A kind of cable laying method of cast-in-place foamed concrete sheath
CN107196230A (en) * 2017-06-19 2017-09-22 天津送变电工程公司 A kind of big span tension stringing construction method and support frame
CN108242780A (en) * 2017-12-15 2018-07-03 中色十二冶金建设有限公司 A kind of device and its laying method for being suitble to different occasion cable layings
CN109713613A (en) * 2018-12-20 2019-05-03 中国华冶科工集团有限公司 Rail roadway cable laying method and device
CN110061470A (en) * 2019-04-22 2019-07-26 国网河南省电力公司郑州供电公司 Exempt to lift new construction method based on tunnel cable

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Address after: 255065 Shandong province Zibo city Nam Dinh town Zhangdian Huayuan Road District No. 9

Applicant after: China Aluminium International Shandong Construction Co., Ltd.

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