CN113013790A - Intelligent laying construction method for 175mm wire diameter superconducting cable - Google Patents
Intelligent laying construction method for 175mm wire diameter superconducting cable Download PDFInfo
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- CN113013790A CN113013790A CN202110403852.5A CN202110403852A CN113013790A CN 113013790 A CN113013790 A CN 113013790A CN 202110403852 A CN202110403852 A CN 202110403852A CN 113013790 A CN113013790 A CN 113013790A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000011835 investigation Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/083—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using lines, e.g. needles, rods or tapes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/088—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling devices movable inside conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The invention discloses an intelligent laying construction method of a 175mm wire diameter superconducting cable, which comprises the steps of field investigation, construction design, wire well excavation and manufacturing, wire traction, pulley installation, mechanical installation, wire coil installation, cable laying, airport equipment dismantling, detection and acceptance and the like. The invention has the advantages of high construction speed and less environmental damage.
Description
Technical Field
The invention relates to a construction method for laying a superconducting cable.
Background
With the development of municipal construction industry in China, the quantity of urban power grids is increased continuously, the underground laying quantity of superconducting cables is increased continuously, and the construction difficulty is increased.
Disclosure of Invention
The invention aims to provide an intelligent laying construction method of a 175mm wire diameter superconducting cable, which is high in construction speed and less in environmental damage.
The technical solution of the invention is as follows:
an intelligent laying construction method of a 175mm wire diameter superconducting cable is characterized by comprising the following steps: comprises the following steps:
(one) field survey
(1) The construction unit, the construction unit and the design unit organize combined field investigation;
(2) drawing a field environment diagram according to the actual survey path and the surrounding environment;
(3) carrying out geological drilling by adopting a drilling instrument according to the distance of 5m of the path, wherein the drilling depth is more than or equal to 10m, analyzing a soil sample according to the longitudinal distance of 2m, and drawing a profile;
(II) construction design
(1) Designing a construction plane layout according to the peripheral environment;
(2) designing a cable laying longitudinal diagram and a top pipe construction node diagram according to the surrounding environment of the soil condition;
(3) designing a configuration diagram of a matched pipeline and mechanical equipment according to the specification of a cable;
(III) line well excavation manufacturing
(1) Line well excavation specification: the length is 5m, the width is 3m, the gradient is 1:125, and the depth is determined according to the depth of the buried pipe;
(2) the method for excavating the line well comprises the following steps: mechanical or manual excavation can be adopted;
(3) treating a bottom slope of the well: manually trimming, tamping and flattening;
(4) and (3) impervious treatment of the wire well: embedding lead-tin-zinc waterproof coiled materials on the bottom slope, then adopting C30 concrete to perform bottom slope protection, wherein the thickness is more than or equal to 1.5cm, and adopting plastic mortar to perform surface plastering;
(5) wire tube embedding
(a) Selecting a line pipe: selecting a PVC pipe, wherein the inner diameter of the pipe is more than or equal to 1.5 times of the diameter of the wire;
(b) inputting the information of pipe burying depth and pipe burying direction into a computer, wherein the computer is provided with an information collector on a pre-pipe, a pipe jacking information collector of the computer is connected with the computer, the computer and a pipe jacking machine are both connected with a remote controller, and the remote controller is adopted to issue instructions in the pipe jacking process to implement remote control;
(c) installing a tool pipe of the pushing equipment in the starting well, aligning the center of the tool pipe to the center of the buried pipe, sleeving the buried pipe outside the tool pipe, and clamping the buried pipe by using a clamp;
(d) starting the power of a drilling system, cutting soil scraps by a drilling system head, outputting soil out of a tool pipe body while cutting, continuously tunneling, and gradually paving forwards until the end point is reached;
(e) pre-burying a ground-free obstacle pipe: manually excavating and burying the pipe according to the designed depth;
(f) connecting pipelines: adopting a joint for connection;
(IV) wire traction
(1) The traction system consists of a tractor, a traction rope and a remote controller, wherein the traction rope adopts a phi 2 nylon rope, and the tractor adopts a 5W power tractor;
(2) and (3) wire drawing connection: buckling the wire pulling strip on the tractor;
(3) vehicle connector connection: connecting the remote controller with a tractor by adopting a wireless connection method;
(4) and (3) conducting wire traction: the lead is drawn out of the opening under the action of the remote controller;
(V) mounting pulley
(1) Manufacturing a pulley: the pulley is made of PVC material, the shape is concave, the length is less than or equal to the diameter of the pipeline, the diameter of the wheel of the line is generally one third of the diameter of the pipeline, and the side wheel is one half of the diameter of the pipeline;
(2) the pulleys are connected in series: fixing the pulley on the steel wire rope by adopting a phi 10 steel wire rope and adopting a fixture at an interval of 3-4 m;
(3) laying pulleys: the pulley system is pulled into the pipeline by a lead;
(4) fixing the pulley: two ends of the pulley rope are respectively fixed at the inlet and the outlet of the pipeline;
(VI) mechanical mounting
(1) Conveyor installation: the conveyor cable machine is arranged in front of the inlet, the base is fixed by a lifting foot bolt, the machine body is kept vertically parallel, and the conveyor control system is connected with the remote controller after installation;
(2) installing a winch: the winch is arranged near the back edge of the outlet and fixes the base, the machine body is kept vertical, and a winch control system is connected with the remote controller;
(3) installing a tower crane: the tower crane is installed beside the transmission cable crane in place, and the control system is connected with the remote controller;
(VII) wire coil installation
(1) Delivering the spool to the vicinity of the cable laying entrance;
(2) hoisting a wire coil: the wire coil is threaded into the middle of the wire coil by a rope to be made into a hanging ring shape, and a tower crane hook is threaded into a hanging ring and is firmly supported by a steel wire and then lifted;
(3) positioning a wire coil: sleeving a shaft lever of the cable machine into a wire coil hole, and dragging a wire head to the direction of a lead;
(eighth) Cable laying
(1) Checking the machine in place, rechecking the vertical parallelism and the machine body stability of the conveying machine, and failing to test and not starting to run;
(2) checking the mounting span and stability of the pulley, and adjusting and reinforcing if the pulley is unqualified;
(3) checking whether the cable falls into the groove or not, and adjusting the cable head into the line track if the cable does not fall into the groove;
(4) the cable head is effectively connected with the wire head;
(5) one end of the lead is connected with the winch at the outlet;
(6) starting and operating: under the action of a remote controller, the transmission cable machine rotates to unwind and unwind the cable, and the winding machine reel transports and winds the cable until the cable is drawn out of the opening, laying in the pipeline is completed, and the operation is stopped;
(nine) demolish airport equipment
(1) And (3) pulley rope stringing fixation removing: when the laying of the cable in the pipeline is finished, the two ends of the rope stringing of the pulley are released;
(2) the pulley rope is connected with the winch, and one end of the pulley rope is connected with the winch;
(3) dismantling the pulley, and adopting a slow rope rolling and pulley dismantling under the action of a remote controller;
(4) removing other mechanical equipment, and after the pulley is removed, completely withdrawing the winch, the conveyor and the tower crane from the site;
(ten) detection and acceptance: the infrared perspective is adopted to detect the cable sheath integrity and the cable flatness section by section, the cable sheath integrity is detected to be 100%, no damage is caused, the cable is free from any abnormal bending phenomenon, and the flatness is 100%.
Pulleys were installed at 3m intervals.
The invention has the technical characteristics of systematicness, and covers the technical characteristics of investigation and investigation, construction organization design, machine tool configuration and installation, cable pipe pre-burying, wire traction, cable unfolding and systematicness of a construction site. The invention has the technical characteristics of practicability, can be widely applied to cable laying of municipal engineering and cable laying of agricultural electric engineering, and has the technical characteristics of practicability because the construction method is simple. The invention has the innovative technical characteristics, the method for drawing the wires by adopting the intelligent remote control car drawing method is a creation, the invention is also an invention by applying pulleys and cables, and the invention is also an innovation for realizing the synchronous wire conveying of power rotation and expansion and winding machine contraction. Meanwhile, the construction method is novel and has no report in China, so the construction method has the technical characteristics of innovation. The method is suitable for laying cables in urban areas under complex environmental conditions; the method is suitable for laying urban underground cables; the cable laying device is suitable for cable laying of different purposes; is suitable for rural border crossing cable laying.
The invention adopts a pushing device tool pipe to penetrate through a soil layer from an initial well to a receiving pit, continuously cuts soil scraps by a drilling system arranged at the head part of the pipe, discharges the cut soil by an unearthing system, pushes the cut soil into the receiving pit while cutting, conveys the cut soil, and lays pipelines forward one by one. Adopt a small-size tractor rear of a vehicle to connect power on the pull line car, adopt electric power, adopt radio and remote controller to connect under the remote controller effect simultaneously, draw the wire to the exit from the entry. The cable reel is arranged on a central shaft of a rotary machine, and under the action of power, the cable reel is pushed to rotate and spread while rotating. The cable passes through the pulley to reduce cable frictional resistance, alleviate thrust and pulling force. The information of the pipe burying depth direction is input into a computer, an information collector is mounted on a top pipe, and the information is timely fed back to the screen of the computer and timely adjusted when the top pipe is buried. When the wire is pulled, the wire is pulled by adopting a remote control device, when the cable is unfolded, the unfolding data is input into a computer and is connected by a remote controller to implement remote control.
The invention has the advantages of high construction speed, less environmental damage and low construction cost.
The present invention will be further described with reference to the following examples.
Detailed Description
An intelligent laying construction method of a 175mm wire diameter superconducting cable is characterized by comprising the following steps: comprises the following steps:
(one) field survey
(1) The construction unit, the construction unit and the design unit organize combined field investigation;
(2) drawing a field environment diagram according to the actual survey path and the surrounding environment;
(3) carrying out geological drilling by adopting a drilling instrument according to the distance of 5m of the path, wherein the drilling depth is more than or equal to 10m, analyzing a soil sample according to the longitudinal distance of 2m, and drawing a profile;
(II) construction design
(1) Designing a construction plane layout according to the peripheral environment;
(2) designing a cable laying longitudinal diagram and a top pipe construction node diagram according to the surrounding environment of the soil condition;
(3) designing a configuration diagram of a matched pipeline and mechanical equipment according to the specification of a cable;
(III) line well excavation manufacturing
(1) Line well excavation specification: the length is 5m, the width is 3m, the gradient is 1:125, and the depth is determined according to the depth of the buried pipe;
(2) the method for excavating the line well comprises the following steps: mechanical or manual excavation can be adopted;
(3) treating a bottom slope of the well: manually trimming, tamping and flattening;
(4) and (3) impervious treatment of the wire well: embedding lead-tin-zinc waterproof coiled materials on the bottom slope, then adopting C30 concrete to perform bottom slope protection, wherein the thickness is more than or equal to 1.5cm, and adopting plastic mortar to perform surface plastering;
(5) wire tube embedding
(a) Selecting a line pipe: selecting a PVC pipe, wherein the inner diameter of the pipe is more than or equal to 1.5 times of the diameter of the wire;
(b) inputting the information of pipe burying depth and pipe burying direction into a computer, wherein the computer is provided with an information collector on a pre-pipe, a pipe jacking information collector of the computer is connected with the computer, the computer and a pipe jacking machine are both connected with a remote controller, and the remote controller is adopted to issue instructions in the pipe jacking process to implement remote control;
(c) installing a tool pipe of the pushing equipment in the starting well, aligning the center of the tool pipe to the center of the buried pipe, sleeving the buried pipe outside the tool pipe, and clamping the buried pipe by using a clamp;
(d) starting the power of a drilling system, cutting soil scraps by a drilling system head, outputting soil out of a tool pipe body while cutting, continuously tunneling, and gradually paving forwards until the end point is reached;
(e) pre-burying a ground-free obstacle pipe: manually excavating and burying the pipe according to the designed depth;
(f) connecting pipelines: adopting a joint for connection;
(IV) wire traction
(1) The traction system consists of a tractor, a traction rope and a remote controller, wherein the traction rope adopts a phi 2 nylon rope, and the tractor adopts a 5W power tractor;
(2) and (3) wire drawing connection: buckling the wire pulling strip on the tractor;
(3) vehicle connector connection: connecting the remote controller with a tractor by adopting a wireless connection method;
(4) and (3) conducting wire traction: the lead is drawn out of the opening under the action of the remote controller;
(V) mounting pulley
(1) Manufacturing a pulley: the pulley is made of PVC material, the shape is concave, the length is less than or equal to the diameter of the pipeline, the diameter of the wheel of the line is generally one third of the diameter of the pipeline, and the side wheel is one half of the diameter of the pipeline;
(2) the pulleys are connected in series: fixing the pulley on the steel wire rope by adopting a phi 10 steel wire rope and adopting a fixture at an interval of 3-4 m;
(3) laying pulleys: the pulley system is pulled into the pipeline by a lead;
(4) fixing the pulley: two ends of the pulley rope are respectively fixed at the inlet and the outlet of the pipeline;
(VI) mechanical mounting
(1) Conveyor installation: the conveyor cable machine is arranged in front of the inlet, the base is fixed by a lifting foot bolt, the machine body is kept vertically parallel, and the conveyor control system is connected with the remote controller after installation;
(2) installing a winch: the winch is arranged near the back edge of the outlet and fixes the base, the machine body is kept vertical, and a winch control system is connected with the remote controller;
(3) installing a tower crane: the tower crane is installed beside the transmission cable crane in place, and the control system is connected with the remote controller;
(VII) wire coil installation
(1) Delivering the spool to the vicinity of the cable laying entrance;
(2) hoisting a wire coil: the wire coil is threaded into the middle of the wire coil by a rope to be made into a hanging ring shape, and a tower crane hook is threaded into a hanging ring and is firmly supported by a steel wire and then lifted;
(3) positioning a wire coil: sleeving a shaft lever of the cable machine into a wire coil hole, and dragging a wire head to the direction of a lead;
(eighth) Cable laying
(1) Checking the machine in place, rechecking the vertical parallelism and the machine body stability of the conveying machine, and failing to test and not starting to run;
(2) checking the mounting span and stability of the pulley, and adjusting and reinforcing if the pulley is unqualified;
(3) checking whether the cable falls into the groove or not, and adjusting the cable head into the line track if the cable does not fall into the groove;
(4) the cable head is effectively connected with the wire head;
(5) one end of the lead is connected with the winch at the outlet;
(6) starting and operating: under the action of a remote controller, the transmission cable machine rotates to unwind and unwind the cable, and the winding machine reel transports and winds the cable until the cable is drawn out of the opening, laying in the pipeline is completed, and the operation is stopped;
(nine) demolish airport equipment
(1) And (3) pulley rope stringing fixation removing: when the laying of the cable in the pipeline is finished, the two ends of the rope stringing of the pulley are released;
(2) the pulley rope is connected with the winch, and one end of the pulley rope is connected with the winch;
(3) dismantling the pulley, and adopting a slow rope rolling and pulley dismantling under the action of a remote controller;
(4) removing other mechanical equipment, and after the pulley is removed, completely withdrawing the winch, the conveyor and the tower crane from the site;
(ten) detection and acceptance: the infrared perspective is adopted to detect the cable sheath integrity and the cable flatness section by section, the cable sheath integrity is detected to be 100%, no damage is caused, the cable is free from any abnormal bending phenomenon, and the flatness is 100%.
The pulleys are preferably installed at 3m intervals.
Claims (2)
1. An intelligent laying construction method of a 175mm wire diameter superconducting cable is characterized by comprising the following steps: comprises the following steps:
(one) field survey
(1) The construction unit, the construction unit and the design unit organize combined field investigation;
(2) drawing a field environment diagram according to the actual survey path and the surrounding environment;
(3) carrying out geological drilling by adopting a drilling instrument according to the distance of 5m of the path, wherein the drilling depth is more than or equal to 10m, analyzing a soil sample according to the longitudinal distance of 2m, and drawing a profile;
(II) construction design
(1) Designing a construction plane layout according to the peripheral environment;
(2) designing a cable laying longitudinal diagram and a top pipe construction node diagram according to the surrounding environment of the soil condition;
(3) designing a configuration diagram of a matched pipeline and mechanical equipment according to the specification of a cable;
(III) line well excavation manufacturing
(1) Line well excavation specification: the length is 5m, the width is 3m, the gradient is 1:125, and the depth is determined according to the depth of the buried pipe;
(2) the method for excavating the line well comprises the following steps: mechanical or manual excavation can be adopted;
(3) treating a bottom slope of the well: manually trimming, tamping and flattening;
(4) and (3) impervious treatment of the wire well: embedding lead-tin-zinc waterproof coiled materials on the bottom slope, then adopting C30 concrete to perform bottom slope protection, wherein the thickness is more than or equal to 1.5cm, and adopting plastic mortar to perform surface plastering;
(5) wire tube embedding
(a) Selecting a line pipe: selecting a PVC pipe, wherein the inner diameter of the pipe is more than or equal to 1.5 times of the diameter of the wire;
(b) inputting the information of pipe burying depth and pipe burying direction into a computer, wherein the computer is provided with an information collector on a pre-pipe, a pipe jacking information collector of the computer is connected with the computer, the computer and a pipe jacking machine are both connected with a remote controller, and the remote controller is adopted to issue instructions in the pipe jacking process to implement remote control;
(c) installing a tool pipe of the pushing equipment in the starting well, aligning the center of the tool pipe to the center of the buried pipe, sleeving the buried pipe outside the tool pipe, and clamping the buried pipe by using a clamp;
(d) starting the power of a drilling system, cutting soil scraps by a drilling system head, outputting soil out of a tool pipe body while cutting, continuously tunneling, and gradually paving forwards until the end point is reached;
(e) pre-burying a ground-free obstacle pipe: manually excavating and burying the pipe according to the designed depth;
(f) connecting pipelines: adopting a joint for connection;
(IV) wire traction
(1) The traction system consists of a tractor, a traction rope and a remote controller, wherein the traction rope adopts a phi 2 nylon rope, and the tractor adopts a 5W power tractor;
(2) and (3) wire drawing connection: buckling the wire pulling strip on the tractor;
(3) vehicle connector connection: connecting the remote controller with a tractor by adopting a wireless connection method;
(4) and (3) conducting wire traction: the lead is drawn out of the opening under the action of the remote controller;
(V) mounting pulley
(1) Manufacturing a pulley: the pulley is made of PVC material, the shape is concave, the length is less than or equal to the diameter of the pipeline, the diameter of the wheel of the line is generally one third of the diameter of the pipeline, and the side wheel is one half of the diameter of the pipeline;
(2) the pulleys are connected in series: fixing the pulley on the steel wire rope by adopting a phi 10 steel wire rope and adopting a fixture at an interval of 3-4 m;
(3) laying pulleys: the pulley system is pulled into the pipeline by a lead;
(4) fixing the pulley: two ends of the pulley rope are respectively fixed at the inlet and the outlet of the pipeline;
(VI) mechanical mounting
(1) Conveyor installation: the conveyor cable machine is arranged in front of the inlet, the base is fixed by a lifting foot bolt, the machine body is kept vertically parallel, and the conveyor control system is connected with the remote controller after installation;
(2) installing a winch: the winch is arranged near the back edge of the outlet and fixes the base, the machine body is kept vertical, and a winch control system is connected with the remote controller;
(3) installing a tower crane: the tower crane is installed beside the transmission cable crane in place, and the control system is connected with the remote controller;
(VII) wire coil installation
(1) Delivering the spool to the vicinity of the cable laying entrance;
(2) hoisting a wire coil: the wire coil is threaded into the middle of the wire coil by a rope to be made into a hanging ring shape, and a tower crane hook is threaded into a hanging ring and is firmly supported by a steel wire and then lifted;
(3) positioning a wire coil: sleeving a shaft lever of the cable machine into a wire coil hole, and dragging a wire head to the direction of a lead;
(eighth) Cable laying
(1) Checking the machine in place, rechecking the vertical parallelism and the machine body stability of the conveying machine, and failing to test and not starting to run;
(2) checking the mounting span and stability of the pulley, and adjusting and reinforcing if the pulley is unqualified;
(3) checking whether the cable falls into the groove or not, and adjusting the cable head into the line track if the cable does not fall into the groove;
(4) the cable head is effectively connected with the wire head;
(5) one end of the lead is connected with the winch at the outlet;
(6) starting and operating: under the action of a remote controller, the transmission cable machine rotates to unwind and unwind the cable, and the winding machine reel transports and winds the cable until the cable is drawn out of the opening, laying in the pipeline is completed, and the operation is stopped;
(nine) demolish airport equipment
(1) And (3) pulley rope stringing fixation removing: when the laying of the cable in the pipeline is finished, the two ends of the rope stringing of the pulley are released;
(2) the pulley rope is connected with the winch, and one end of the pulley rope is connected with the winch;
(3) dismantling the pulley, and adopting a slow rope rolling and pulley dismantling under the action of a remote controller;
(4) removing other mechanical equipment, and after the pulley is removed, completely withdrawing the winch, the conveyor and the tower crane from the site;
(ten) detection and acceptance: the infrared perspective is adopted to detect the cable sheath integrity and the cable flatness section by section, the cable sheath integrity is detected to be 100%, no damage is caused, the cable is free from any abnormal bending phenomenon, and the flatness is 100%.
2. The intelligent laying construction method of the 175mm wire diameter superconducting cable according to claim 1, wherein: pulleys were installed at 3m intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110403852.5A CN113013790B (en) | 2021-04-15 | 2021-04-15 | Intelligent laying construction method for 175mm wire diameter superconducting cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403852.5A CN113013790B (en) | 2021-04-15 | 2021-04-15 | Intelligent laying construction method for 175mm wire diameter superconducting cable |
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| CN113013790A true CN113013790A (en) | 2021-06-22 |
| CN113013790B CN113013790B (en) | 2022-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172084A (en) * | 2022-01-24 | 2022-03-11 | 北京城建集团有限责任公司 | Construction method for cable laying |
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| JP2012175750A (en) * | 2011-02-18 | 2012-09-10 | Sumitomo Electric Ind Ltd | Superconducting cable laying method |
| CN205355694U (en) * | 2015-12-16 | 2016-06-29 | 上海神洁环保科技股份有限公司 | Non - excavation cable push pipe |
| CN206650373U (en) * | 2017-04-24 | 2017-11-17 | 浙江中景市政园林建设有限公司 | A kind of power cable pipe-line system |
| CN207398723U (en) * | 2017-05-12 | 2018-05-22 | 宁波永耀信息科技有限公司 | Three core cable tracting head |
| EP3370317A1 (en) * | 2017-03-03 | 2018-09-05 | Nexans | Superconducting cable end |
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2021
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173886A (en) * | 1999-12-15 | 2001-06-29 | Sumitomo Electric Ind Ltd | Coolant transport tube |
| JP2012175750A (en) * | 2011-02-18 | 2012-09-10 | Sumitomo Electric Ind Ltd | Superconducting cable laying method |
| CN205355694U (en) * | 2015-12-16 | 2016-06-29 | 上海神洁环保科技股份有限公司 | Non - excavation cable push pipe |
| EP3370317A1 (en) * | 2017-03-03 | 2018-09-05 | Nexans | Superconducting cable end |
| CN206650373U (en) * | 2017-04-24 | 2017-11-17 | 浙江中景市政园林建设有限公司 | A kind of power cable pipe-line system |
| CN207398723U (en) * | 2017-05-12 | 2018-05-22 | 宁波永耀信息科技有限公司 | Three core cable tracting head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172084A (en) * | 2022-01-24 | 2022-03-11 | 北京城建集团有限责任公司 | Construction method for cable laying |
| CN114172084B (en) * | 2022-01-24 | 2023-07-07 | 北京城建集团有限责任公司 | Construction method for cable laying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113013790B (en) | 2022-04-08 |
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