CN101001007A - Mechanical laying method for overlength large section cable - Google Patents

Mechanical laying method for overlength large section cable Download PDF

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Publication number
CN101001007A
CN101001007A CN 200610166298 CN200610166298A CN101001007A CN 101001007 A CN101001007 A CN 101001007A CN 200610166298 CN200610166298 CN 200610166298 CN 200610166298 A CN200610166298 A CN 200610166298A CN 101001007 A CN101001007 A CN 101001007A
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China
Prior art keywords
cable
hauling machine
traction
laying
pull rope
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CN 200610166298
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CN100440660C (en
Inventor
姜朴
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SHANDONG ALUMINIUM ENGINEERING CO LTD
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SHANDONG ALUMINIUM ENGINEERING CO LTD
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Publication of CN100440660C publication Critical patent/CN100440660C/en
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Abstract

The invention provides a method for machinery-laying cables with a big section in large areas. Its characters are as follow: it takes the traction machine as the power of traction, and a main traction and an auxiliary relay traction are both used for traction during the cable laying process, in which, the main traction is referred to the rope of traction connecting with the end of the laying cable, and the auxiliary relay traction is referred to the rope of traction connecting with the relay traction point of the laying cable, and the auxiliary relay traction adapts the link technology.

Description

The mechanical laying method of overlength large section cable
Technical field
The present invention relates to a kind of construction method of machine-laying cable, especially relate to a kind of mechanical laying method of overlength large section cable.
Background technology
Cable machinery is laid with traction and lays and dual mode is laid in conveying.Cable pulling lays by hitching machinery equipment such as the moving strand of machine () mill, hoist engines and realizes; Cable is carried to lay and is used telpher to finish.Cable pulling lays and is generally used for cable along comb, bridge (propping up) frame, cable tunnel (ditch) or directly buried installation, the traction lay length is subjected to cable body to allow tractive effort or guider to adhere to the restriction of framework intensity, when two and above hauling machine were formed unit, stationary problem was difficult to solve; Telpher be used for more cable bury ground, along the cable tunnel or cable trough lay, there is one-time investment is big, construction is required back work and equipment is many, laid down cost is higher, be difficult to defectives such as realization settles at one go during along cable bridge (propping up) frame cabling, when laying the length cable, the telpher group is difficult to solve the asynchronous problem that causes because of the power circuit pressure drop.
Because cable machinery lays the restriction that is subjected to stationary problem, can not solve whole problem of laying of length cable, in the cable work construction at present, when surpassing 1500 meters, all adopt the scheme that segmentation is laid, transition joint continues to realize for electric cable with large cross-section current supply circuit distance.The existence of transition joint has strengthened construction investment, has increased the failure rate of electric power system, has reduced reliability of system operation, causes cable fire easily and causes heavy losses.
Along with improving constantly that construction project planning level, power supply quality are required, cable lays the system of laying that becomes industrial and mining enterprises' cable work first-selection along cable testing bridge.And cable is carried the method cabling, the conveyer volume and weight is big, the eminence construction needs the crane cooperation to lay, cable socket needs manpower traction and guiding all the time during cable laying, being used for cable lays along cable bridge (propping up) frame, especially encorbelment the crane span structure installed when laying along framework, be difficult to cable once laid and put in place.Use the telpher cabling, one-time investment is big, and efficiency of construction is relatively low, the construction cost height.
Summary of the invention
Goal of the invention of the present invention is: the shortcoming and the limitation that overcome present overlength large section cable mechanical laying method, a kind of mechanical laying method of overlength large section cable is provided, can realize that electric cable with large cross-section allows whole of manufacturing and transportation lengths to lay, cable laying can rely on power supply, cable except that rope is hung system of laying once can be laid and put in place, realize utilizing less input, improve the efficiency of construction of cable laying, reduce construction cost, improve construction quality.
Technical scheme of the present invention is: the mechanical laying method that a kind of overlength large section cable is provided, it is characterized in that using hauling machine as traction power, adopting main traction and relaying auxiliary traction dual mode to draw jointly in the cable laying process lays, wherein said main traction is drawn for the pull rope of hauling machine is connected with the initial termination of desire cabling, and the pull rope that described relaying auxiliary traction is a hauling machine is connected with cable relaying towing point and draws.
The mechanical laying method of described overlength large section cable, it is characterized in that comprising the steps: to use two and above hauling machine as traction power, at first cable hank is placed on the starting point of laying the path, each hauling machine is fixed on the terminal point of the corresponding Zhan Cheng of laying, after first hauling machine is applied to the first exhibition journey terminal point with cable from cable hank by main traction, the pull rope of cable initial termination changing-over second hauling machine carries out the second exhibition journey and lays, in laid processes, second hauling machine is led traction, and first hauling machine carries out the relaying auxiliary traction to cable in the first exhibition journey; When required hauling machine surpasses two, in the cable laying process, all lead traction with the hauling machine of place, the initial termination of cable exhibition journey, the hauling machine that has laid Zhan Cheng carries out the relaying auxiliary traction in the journey of respectively bootstrapping, finish until cable laying.
The mechanical laying method of described overlength large section cable is characterized in that concrete steps are:
(1) according to model specification, the whole length of desiring cabling with lay the working condition in path, the maximum of calculating cable allows the need tractive effort of tractive effort, cable laying, determine the riding position of cable hank, determine that according to result of calculation two of uses or two above hauling machines carry out the relaying traction and lay;
(2) when required hauling machine is two, calculate the output drag torque of setting each hauling machine according to calculated tractive effort and job site condition, the red stop-off lacquer in back of adjusting is solid, the traction place of determining during calculated tractive effort in laying the path utilizes structures or each hauling machine of earth anchorage, and hauling machine stays rope to go up series connection installing device for measuring force; The pull rope of the first exhibition journey is applied to the cable hank place by the first hauling machine place along the cable laying passage, and is connected with the termination of desiring cabling, the pull rope of the second exhibition journey is applied to the first hauling machine place by the second hauling machine place along the cable laying passage; Start the first hauling machine trailing cable and carry out laying of the first exhibition journey, extract the pull rope of the first exhibition journey after finishing, with the haulage cable of the cable socket changing-over second exhibition journey; According to calculating the main tractive effort that allows, calculate the relaying auxiliary traction power and second that needs and open up the distribution of journey tractive load, determine the towing point of relaying auxiliary traction, the output torque and the sealing of adjusting first hauling machine again, the first exhibition journey pull rope is applied to auxiliary traction point place farthest and links to each other with cable by jockey along the cable laying passage by the first hauling machine place, when required auxiliary traction power during greater than the permission tractive effort of cable cover(ing), can adopt on-link mode (OLM) to be connected, in the second exhibition journey traction laid processes, successively jockey be removed during near first hauling machine with the cable multiple spot; Start second, first hauling machine successively, according to the tractive effort that two hauling machine device for measuring force show separately, utilize rotating speed that throttle adjusts hauling machine keeping each hauling machine run-in synchronism, aircrew cooperation is once laid whole of cable and to be put in place.
(3) when required hauling machine be two when above, the hauling machine of next exhibition journey of desiring to lay with cable is main traction, has laid the hauling machine of Zhan Cheng and has all carried out auxiliary traction.
The mechanical laying method of described overlength large section cable is characterized in that crinoline is installed in the corner of described cable run.
The mechanical laying method of described overlength large section cable is characterized in that placing hook housing formula cable coaster at interval at straightway.
The mechanical laying method of described overlength large section cable is characterized in that the initial termination of described pull rope and cable is connected employing installation cable drawing head or the cable grip mode cooperates realization with rotary connector; Be connected with cable during described auxiliary traction and adopt the layback cable grip, after installation side on the cable draws in the net cover, the layback cable grip is connected with pull rope by rotary connector, when adopting on-link mode (OLM) multiple spot installation side to draw in the net to overlap, the layback cable grip that increases utilizes parallel groove clamp to be connected with pull rope, length after pull rope between two layback cable grips is stressed should be less than the length of the corresponding cable of this section, described pull rope is no twisting braided wire rope, and described hauling machine is tractor-drawn machine or strand mill.
The mechanical laying method of described overlength large section cable is characterized in that described strand mill is for turning apart from the strand mill.
The mechanical laying method of described overlength large section cable, it is characterized in that device for measuring force shows tractive effort, operating personnel realize the synchronous operation of traction unit in view of the above by adjustment Throttle Opening Control hauling speed, acousto-optic early warning when crossing traction, and distraction procedure is print parameters in good time.
The mechanical laying method of described overlength large section cable, it is characterized in that when cable length is long especially, the cross section is big especially or lay the path when complicated especially, take method to the beginning or end cabling of cable line, be about to cable hank and be positioned over the middle part of laying the path, lay to circuit one end and will remain cable after putting in place and be 8 fonts on the spot and intersect and stack, by routing up on the cable hank, utilize the cable end piece termination two terminations of cable that whole cable laid to two ends respectively by in the middle of the path.
The advantage that the present invention contrasts prior art is:
1, can solve present overlength large section cable can not whole technical barrier that lays, can realize that electric cable with large cross-section allows whole of manufacturing and transportation lengths to lay, cable laying can rely on power supply, the cable except that rope is hung system of laying once can be laid and put in place.
2, can cancel or reduce the use of cable intermediate joint in the cable work, reduce project cost, the betterment works quality improves the electric power system reliability of operation, reduces the occurrence probability of cable fire, improves power supply quality.
3, can utilize less input, improve the efficiency of construction of cable laying, reduce construction cost, guarantee construction safety and quality.
4, two of uses and the above square strand mill of turning are formed the traction unit as traction power; Cable drawing head or cable grip connect as main traction, and layback net, rotary connector and parallel groove clamp realization relaying auxiliary traction are connected and link; Device for measuring force shows tractive effort, and operating personnel are in view of the above by adjusting the synchronous operation that the Throttle Opening Control hauling speed realizes the traction unit, acousto-optic early warning when crossing traction, the in good time print parameters of distraction procedure; Turn that square strand mill is finished forced synchronism by the output torque of adjusting and cable is crossed the traction protection function; Select hook housing formula cable coaster for use, the realization cable can be finished the machine-laying of overlength large section cable easy, economically along the cable laying one-time-reach-place under the abominable laid condition such as multilayer crane span structure, the crane span structure of encorbelmenting.
Description of drawings
Fig. 1 is a laying method schematic diagram of the present invention.
Among the figure: 1-cable hank, 2-electric cable with large cross-section, 3-layback cable grip, 4-rotary connector, 5-crinoline, 6-hook housing formula cable coaster, 7-parallel groove clamp, the 8-first exhibition journey does not have twisting braiding haulage cable, 9-tractor-drawn machine, 10-hauling machine and stays rope, 11-device for measuring force, 12-earth anchor, 13-cable drawing head or cable grip, 14-pull rope leading block, the 15-second exhibition journey haulage cable, 16-to turn the motor-driven strand of square and grind.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, cable laying forward position laying-out is installed crinoline 5 in each corner, and crinoline can be cable corner coaster or pulley; Straightway 6~12m is at interval placed hook housing formula cable coaster 6, and destination county is optionally installed pull rope leading block 14; Select tractor-drawn machine 9 for use, turn motor-driven strand mill 16 each one main and auxiliaries and definite respectively its set-point A point and the B points that lay as traction respectively of square according to calculated tractive effort, wherein the A point is that first hauling machine of opening up journey is parked a little, the B point is that the hauling machine of the second exhibition journey is parked a little, determines by calculated tractive effort in laying the path respectively; The first exhibition journey is not had twisting braiding haulage cable 8, and to be applied to O point by A point along the cable laying passage be starting point cable hank place, opens up journey haulage cable 15 with second and be applied to first hauling machine of opening up journey by the B point along the cable laying passage to park the appropriate location of the crinoline of a correspondence be C point place; Calculate the output drag torque of setting tractor-drawn machine 9 and turning the motor-driven strand mill 16 of square according to calculating needs tractive effort, cable permission tractive effort and job site condition, adjust the red stop-off lacquer in back admittedly.A in laying the path, B 2 points utilize structures or earth anchor 12 fixing tractor-drawn machine 9 and turn the motor-driven strand mill 16 of square respectively, and the hauling machine that device for measuring force 11 is serially connected with separately stays in the rope 10; Cable drawing head or cable grip 13 are installed desiring to lay on the termination of electric cable with large cross-section 2, drawing head or cable grip 13 do not have twisting braiding haulage cable 8 through the rotary connector 4 and the first exhibition journey and are connected, start tractor-drawn machine 9 traction electric cable with large cross-section 2 and arrive the C point, can finish laying of the first exhibition journey, extract the first exhibition journey and do not have twisting braiding haulage cable 8, transfer it to auxiliary traction steel wire rope, the changing-over second exhibition journey haulage cable 15.
According to the distribution situation of calculating the main tractive effort that allows, the relaying auxiliary traction power of calculating needs and the second exhibition journey tractive load, determine the towing point position of relaying auxiliary traction, the output drag torque and the sealing of adjusting tractor-drawn machine 9 again, at auxiliary traction point layback cable grip 3 is installed, the layback net does not have twisting braiding haulage cable 8 by the rotary connector 4 and the first exhibition journey and is connected.When required auxiliary traction power during greater than the permission tractive effort of cable cover(ing), can adopt the on-link mode (OLM) multiple spot that layback cable grip 3 is installed according to computational length, the layback cable grip 3 that increases utilizes the parallel groove clamp 7 and the first exhibition journey not to have twisting braiding haulage cable 8 (transferring the auxiliary traction steel wire rope at this moment to) to be connected, and the length after the haulage cable between two layback cable grips is stressed should be less than the length of this section cable; The releasing of in the second exhibition journey traction laid processes, stopping successively during near the C point of each layback cable grip (3).
Start tractor-drawn machine 9 successively and turn the motor-driven strand mill 16 of square, go up the tractive effort that the device for measuring force 11 of serial connection shows according to respectively reserving rope for one's own use, the rotating speed that utilizes throttle adjustment strand mill is to keep tractor-drawn machine 9 and to turn the motor-driven strand of square and grind 16 run-in synchronisms, aircrew cooperation, electric cable with large cross-section is applied to terminal point Z by starting point O through the C point, realizes that the traction of overlength large section cable relaying is laid and whole of cable once laid putting in place.
Electric cable with large cross-section 2 is taken off from crinoline 5, hook housing formula cable coaster 6, and curved putting neatly laid other cables according to said process in cable testing bridge, reclaims the cable laying facility, and overlength large section cable relaying traction cable laying operation is finished.
When using two above hauling machines as traction power, at first cable hank is placed on the starting point of laying the path, each hauling machine is fixed on the terminal point of the corresponding Zhan Cheng of laying, after first hauling machine is applied to the first exhibition journey terminal point with cable from cable hank by main traction, the pull rope of cable initial termination changing-over second hauling machine carries out the second exhibition journey and lays, in laid processes, second hauling machine is led traction, and first hauling machine carries out the relaying auxiliary traction to cable in the first exhibition journey; Continue the cable laying of beginning the 3rd exhibition journey later on, the pull rope of cable initial termination changing-over this moment the 3rd hauling machine is led traction, first hauling machine carries out the first relaying auxiliary traction to cable in the first exhibition journey, second hauling machine carries out the second relaying auxiliary traction to cable in the second exhibition journey; The rest may be inferred, when required hauling machine surpasses two, in the cable laying process, all leads traction with the hauling machine of place, the initial termination of cable exhibition journey, and the hauling machine that has laid Zhan Cheng carries out the relaying auxiliary traction in the journey of respectively bootstrapping, finish until cable laying.
Long especially at cable length, the cross section is big especially or lay the situation of path when complicated especially, can take the method that plays (end) some cabling to cable line, be about to cable hank and be positioned over the middle part of laying the path, lay to circuit one end and will remain cable after putting in place and be 8 fonts on the spot and intersect and stack, by routing up on the cable hank, utilize the cable end piece termination two terminations of cable that whole cable laid to two ends respectively by in the middle of the path.
In the implementation process of the mechanical laying method of overlength large section cable of the present invention, according to model specification, the whole length of desiring cabling and the data such as working condition of laying the path, the maximum of calculating cable allows the need tractive effort of tractive effort, cable laying, determines the riding position of cable hank.All greater than laying when needing use tractive effort, can use a strand mill to construct as the rated drawbar pull of the permission tractive effort of cable, strand mill and installation of guiding device intensity according to routine traction laying method.If lay the tractive effort that needs usefulness, then need to determine to use more than two or two the strand mill to form the traction unit and carry out the relaying traction and lay according to result of calculation greater than one of the rated drawbar pull of the permission tractive effort of cable, strand mill and installation of guiding device intensity.
The present invention is integrated application tractive effort observation and control technology in the cable laying process, by design, select the different tension measuring device of performance for use, be applied to tractor-drawn machine and motor-driven strand mill respectively, with tractive effort is Control Parameter, utilize the dynamically rotating speed of each strand mill of control of throttle, realize the synchronous operation of two and above traction unit, acousto-optic early warning when crossing traction, distraction procedure is print parameters in good time, Throttle Opening Control needn't rely on power supply, solved relaying traction when laying the unit relay,, caused cable to lose radial constraint because of rotating speed is asynchronous and break away from and lay the cable fault that track causes and cross traction problems because of the power circuit pressure drop causes asynchronously.
Above-mentioned cable is maximum to allow tractive effort, cable laying to need to be existing engineering with correlation computations method such as tractive effort and tension measuring device, does not repeat them here.
The present invention is in the cable laying process; tractive effort according to each hauling machine device for measuring force demonstration; the rotating speed that utilizes throttle adjustment strand mill is to keep the running of main hauling machine and auxiliary traction machine synchronously; consider when when construction causes the feedback response delay because of lacking experience; may cause causing traction because of unit is asynchronous; for simplifying the operation; guarantee construction safety and quality; the present invention turns preferably that square strand mill is realized the forced synchronism of traction unit and to the traction protection of crossing of cable: when the auxiliary traction motor speed is crossed when slow; main hauling machine load increases; reach and turn the adjusting during the output torque of square strand mill; strand mill reel and output shaft produce slippage; pull rope stops walking, waits for the follow-up of auxiliary traction machine.The auxiliary traction machine follow-up main hauling machine load in back reduces, and turns square strand mill and recovers automatically to rotate, and in forced synchronism, has realized the traction protection of crossing of cable.
The present invention cooperates with the traction method by adopting hook housing formula cable coaster, thereby can realize cable easily along laying under the abominable laid condition such as multilayer crane span structure, the crane span structure of encorbelmenting, successfully solve the cable that present various laying method can't realize and laid the technical barrier of one-time-reach-place along multilayer, the crane span structure of encorbelmenting.
The present invention is innovation and application layback cable grip link method in the cable laying process; use layback cable grip, parallel groove clamp; realize that the multiple spot traction of cable middle part is fixing, protection and accessible by technology, the stressed control of middle part towing point, stress evacuating and cable cover(ing) allow the little difficult problem of tractive effort when having solved the traction of cable relaying.Turn square strand mill by application simultaneously, when realizing traction unit forced synchronism, can finish the backup protection of cable being crossed traction.
The present invention is applicable to that the machinery of overlength large section cable lays.

Claims (9)

1, a kind of mechanical laying method of overlength large section cable, it is characterized in that using hauling machine as traction power, adopting main traction and relaying auxiliary traction dual mode to draw jointly in the cable laying process lays, wherein said main traction is drawn for the pull rope of hauling machine is connected with the initial termination of desire cabling, and the pull rope that described relaying auxiliary traction is a hauling machine is connected with cable relaying towing point and draws.
2, the mechanical laying method of overlength large section cable as claimed in claim 1, it is characterized in that comprising the steps: to use two and above hauling machine as traction power, at first cable hank is placed on the starting point of laying the path, each hauling machine is fixed on the terminal point of the corresponding Zhan Cheng of laying, after first hauling machine is applied to the first exhibition journey terminal point with cable from cable hank by main traction, the pull rope of cable initial termination changing-over second hauling machine carries out the second exhibition journey and lays, in laid processes, second hauling machine is led traction, and first hauling machine carries out the relaying auxiliary traction to cable in the first exhibition journey; When required hauling machine surpasses two, in the cable laying process, all lead traction with the hauling machine of place, the initial termination of cable exhibition journey, the hauling machine that has laid Zhan Cheng carries out the relaying auxiliary traction in the journey of respectively bootstrapping, finish until cable laying.
3, the mechanical laying method of overlength large section cable as claimed in claim 2 is characterized in that concrete steps are:
(1) according to model specification, the whole length of desiring cabling with lay the working condition in path, the maximum of calculating cable allows the need tractive effort of tractive effort, cable laying, determine the riding position of cable hank, determine that according to result of calculation two of uses or two above hauling machines carry out the relaying traction and lay;
(2) when required hauling machine is two, calculate the output drag torque of setting each hauling machine according to calculated tractive effort and job site condition, the red stop-off lacquer in back of adjusting is solid, the traction place of determining during calculated tractive effort in laying the path utilizes structures or each hauling machine of earth anchorage, and hauling machine stays rope to go up series connection installing device for measuring force; The pull rope of the first exhibition journey is applied to the cable hank place by the first hauling machine place along the cable laying passage, and is connected with the termination of desiring cabling, the pull rope of the second exhibition journey is applied to the first hauling machine place by the second hauling machine place along the cable laying passage; Start the first hauling machine trailing cable and carry out laying of the first exhibition journey, extract the pull rope of the first exhibition journey after finishing, with the haulage cable of the cable socket changing-over second exhibition journey; According to calculating the main tractive effort that allows, calculate the relaying auxiliary traction power and second that needs and open up the distribution of journey tractive load, determine the towing point of relaying auxiliary traction, the output torque and the sealing of adjusting first hauling machine again, the first exhibition journey pull rope is applied to auxiliary traction point place farthest and links to each other with cable by jockey along the cable laying passage by the first hauling machine place, when required auxiliary traction power during greater than the permission tractive effort of cable cover(ing), can adopt on-link mode (OLM) to be connected, in the second exhibition journey traction laid processes, successively jockey be removed during near first hauling machine with the cable multiple spot; Start second, first hauling machine successively, according to the tractive effort that two hauling machine device for measuring force show separately, utilize rotating speed that throttle adjusts hauling machine keeping each hauling machine run-in synchronism, aircrew cooperation is once laid whole of cable and to be put in place;
(3) when required hauling machine be two when above, the hauling machine of next exhibition journey of desiring to lay with cable is main traction, has laid the hauling machine of Zhan Cheng and has all carried out auxiliary traction.
4, the mechanical laying method of overlength large section cable as claimed in claim 3 is characterized in that crinoline is installed in the corner of described cable run.
5, the mechanical laying method of overlength large section cable as claimed in claim 3 is characterized in that placing hook housing formula cable coaster at interval at straightway.
6, the mechanical laying method of overlength large section cable as claimed in claim 3 is characterized in that the initial termination of described pull rope and cable is connected employing installation cable drawing head or the cable grip mode cooperates realization with rotary connector; Be connected with cable during described auxiliary traction and adopt the layback cable grip, after installation side on the cable draws in the net cover, the layback cable grip is connected with pull rope by rotary connector, when adopting on-link mode (OLM) multiple spot installation side to draw in the net to overlap, the layback cable grip that increases utilizes parallel groove clamp to be connected with pull rope, length after pull rope between two layback cable grips is stressed should be less than the length of the corresponding cable of this section, described pull rope is no twisting braided wire rope, and described hauling machine is tractor-drawn machine or strand mill.
7, the mechanical laying method of overlength large section cable as claimed in claim 6 is characterized in that described strand mill is for turning apart from the strand mill.
8, the mechanical laying method of overlength large section cable as claimed in claim 3, it is characterized in that device for measuring force shows tractive effort, operating personnel realize the synchronous operation of traction unit in view of the above by adjustment Throttle Opening Control hauling speed, acousto-optic early warning when crossing traction, and distraction procedure is print parameters in good time.
9, as the mechanical laying method of the described overlength large section cable of one of claim 1 to 8, it is characterized in that when cable length is long especially, the cross section is big especially or lay the path when complicated especially, take method to the beginning or end cabling of cable line, be about to cable hank and be positioned over the middle part of laying the path, lay to circuit one end and will remain cable after putting in place and be 8 fonts on the spot and intersect and stack, by routing up on the cable hank, utilize the cable end piece termination two terminations of cable that whole cable laid to two ends respectively by in the middle of the path.
CNB2006101662989A 2006-12-25 2006-12-25 Mechanical laying method for overlength large section cable Expired - Fee Related CN100440660C (en)

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CN101728790B (en) * 2009-12-29 2012-05-02 广东省工业设备安装公司 Method for laying vertical cables for extra-high building
CN103482408A (en) * 2012-06-11 2014-01-01 顾严煌 Cable construction transfer vehicle
CN103474917A (en) * 2013-09-02 2013-12-25 国家电网公司 Guided trenchless laying power cable traction method
CN103515870A (en) * 2013-09-30 2014-01-15 无锡市神力通信工程有限公司 Cable laying traction device with tension monitoring
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
CN105896398A (en) * 2016-05-18 2016-08-24 中国十九冶集团有限公司 Large-section cable laying method
CN105870841A (en) * 2016-06-07 2016-08-17 国网山东省电力公司经济技术研究院 Automatic cable traction device
CN105870841B (en) * 2016-06-07 2018-02-06 国网山东省电力公司经济技术研究院 A kind of cable automatic traction device
CN106356770A (en) * 2016-10-08 2017-01-25 国网山东省电力公司商河县供电公司 Cable release and obstacle crossing construction device
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
CN108242780B (en) * 2017-12-15 2020-11-06 中色十二冶金建设有限公司 Device suitable for laying cables in different occasions and laying method thereof
CN109217184A (en) * 2018-08-07 2019-01-15 国网江苏省电力有限公司无锡供电分公司 Big section, high drop Voltage Cable Lines Construction high point non junction continuously lay engineering method
CN109217181A (en) * 2018-09-21 2019-01-15 中国葛洲坝集团电力有限责任公司 Method suitable for the laying of height of water shipping shore power system service cable
CN109818300A (en) * 2019-02-22 2019-05-28 中国电建集团重庆工程有限公司 Cable laying construction system
CN111900670A (en) * 2020-08-12 2020-11-06 迪尔集团有限公司 Long-distance and large-diameter cable laying construction device and construction method in cable trench

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