CN108233277A - A kind of extra long distance shoal sea bed extra large cable laying technique - Google Patents
A kind of extra long distance shoal sea bed extra large cable laying technique Download PDFInfo
- Publication number
- CN108233277A CN108233277A CN201810136880.3A CN201810136880A CN108233277A CN 108233277 A CN108233277 A CN 108233277A CN 201810136880 A CN201810136880 A CN 201810136880A CN 108233277 A CN108233277 A CN 108233277A
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- Prior art keywords
- extra large
- cable
- large cable
- laying
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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
- H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
-
- 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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of extra long distance shoal sea bed extra large cable laying techniques, in a manner that first laying backlash is buried, are completed by interim rolling wheel support, the miniature construction ship with idler wheel, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough.It is an advantage of the invention that：In a manner that first laying backlash is buried, the laying problem of extra long distance shallow sea beach sea bed extra large cable is realized by interim rolling wheel support, the miniature construction ship with idler wheel, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough, it is simple for process easy to operate and time-consuming shorter；By interim rolling wheel support, miniature construction ship and inflatable inner tube in laid processes, extra large cable is avoided to be towed on sea bed, reduces the abrasion of extra large cable.
Description
Technical field
The present invention relates to extra large cables to lay technology field, and in particular to a kind of extra long distance shoal sea bed extra large cable laying technique.
Background technology
The section electricity submitting of marine wind electric field sea is generally realized by submarine cable, but is needed in the routing of Partial Sea Area extra large cable
By the shoal of dozens of kilometres, Tideland resources are sandwiched between, shallow draft cable layer oceangoing ship is difficult to enter, and extra large cable laying becomes
A great problem.
Invention content
In order to solve the above technical problems, the present invention provides a kind of extra long distance shoal sea bed extra large cable laying technique, use
The mode that first laying backlash is buried realizes the laying of extra long distance shallow sea beach sea bed extra large cable.
The technical solution adopted by the present invention is：
A kind of extra long distance shoal sea bed extra large cable laying technique, using first laying backlash bury by the way of, by interim rolling wheel support,
Miniature construction ship with idler wheel, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough are completed.
Further, specific embodiment is as follows：
A, preparation before laying：Routing underwater topography, prospecting geology are measured, and extra large cable of the sea-anchor to Chao Xia areas is swept using special
Traction repeatedly is carried out in laying routing, removes submarine obstacle, supratidal zone checks extra large cable laying routing in the ebb period；
B, the erection of interim rolling wheel support and miniature construction ship are cast：According to underwater topography and geology, in supratidal zone shoal
Marine site sets up interim rolling wheel support, is equipped with idler wheel on the interim rolling wheel support, miniature apply is cast in subtidal zone depth of water marine site
Work ship is also equipped with idler wheel on the miniature construction ship；
C, the laying of carrying cable and it is twisted the installation of machine：The machine of being twisted is dug at beginning and end ridge is logged in extra large cable, if
Traction anchor is put, installation is twisted machine, and will be twisted machine by GPS navigation positioning and be attached with carrying cable；
D, the in place of cable and cable layer is crossed：By cable layer by Bo Lan factories harbour, accommodation is adjusted, by the extra large cable in cable factory
It is delivered in cable layer cable disk along trestle, then will lay cable ship approaching bank as possible using high tide level, and utilize anchoring
Alignment system is stabilized by cable layer；
E, the laying of extra large cable：Extra large cable head out of cable disk is pulled out, is sent into water by cable laying machine, and is spaced and fixes below extra large cable
Inflatable inner tube estimates extra large cable using length, extra large cable is blocked, end socket, laying is pulled out in the extra large cable head for logging in starting point one end
After ship, active rotary head on extra large cable head is set, and active rotary head and extra large cable are logged in the carrying cable being twisted on machine of starting point
It links together, treats that extra large cable is drawn to the idler wheel being preset in extra large cable routing, the inflatable inner tube in extra large cable is just released, by extra large cable
It is shelved on the idler wheel on miniature construction ship and interim rolling wheel support on the way, then starts the machine that is twisted and draw extra large cable to stepping on
Lu Qidian is simultaneously fixed, and then extra large cable cable layer drives towards bank, while the extra large cable on cable disk is at the uniform velocity released, and is applied to extra large cable
If the shoal area that ship can not reach, the extra large cable head for logging in terminal is pulled out into laying ship, active rotary head is set, then by logging in
Extra large cable head is dragged to and logs in terminal, and fix by be twisted machine and the carrying cable of terminal point, finally moves down extra large cable from idler wheel,
Sinking is on sea bed；
F, extra large cable is embedded：Water spray self-propulsion type lays plough and coordinates with water pump, extra large cable is route scour out ditch, then extra large cable is via deposited
If plough enters in ditch, finally by laying plough mud by burying submarine cable.
Further, the interim rolling wheel support set up in the step b, the spacing between two neighboring interim rolling wheel support are 1km,
The miniature construction ship cast in the step b, the spacing between adjacent two miniature construction ships are also 1km.
Further, the special sea-anchor of sweeping in the step a is three hock anchors or four hock anchor.
The beneficial effects of the invention are as follows：1st, in a manner that first laying backlash is buried, by interim rolling wheel support, with the micro- of idler wheel
Type construction ship, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough realize that the laying of extra long distance shallow sea beach sea bed extra large cable is asked
Topic, it is simple for process easy to operate and time-consuming shorter；2nd, by interim rolling wheel support, miniature construction ship and inflation in laid processes
Tire avoids extra large cable from being towed on sea bed, reduces the abrasion of extra large cable.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, the embodiment
It is only used for explaining the present invention, not restrict the protection scope of the present invention.
A kind of extra long distance shoal sea bed extra large cable laying technique, using first laying backlash bury by the way of, by interim rolling wheel support,
Miniature construction ship with idler wheel, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough are completed, and specific embodiment is as follows：
A, preparation before laying：Underwater topography, the prospecting geology of extra large cable routing are measured, and using special sea-anchor of sweeping to Chao Xia areas
Extra large cable laying routing on carry out traction repeatedly, remove submarine obstacle, special sea-anchor of sweeping is generally three teeth or four hock anchors, two
A to four are one group, are connected to side by side on a steel shoulder pole, and supratidal zone examines extra large cable laying routing in the ebb period
It looks into；
B, the erection of interim rolling wheel support and miniature construction ship are cast：According to underwater topography and geology, in supratidal zone shoal
Marine site sets up interim rolling wheel support, and the spacing between interim rolling wheel support is 1km, and interim rolling wheel support lower part is small-sized steel-pipe pile,
Shoal is squeezed into vibration hammer, idler wheel is installed on interim rolling wheel support, miniature construction ship is cast simultaneously in subtidal zone depth of water marine site
Anchor, the spacing between miniature construction ship are 1km, and idler wheel is also equipped on miniature construction ship；
C, the laying of carrying cable and it is twisted the installation of machine：The machine of being twisted is dug at beginning and end ridge is logged in extra large cable, if
Traction anchor is put, installation is twisted machine respectively on the being twisted machine ridge at both ends, and determines to be twisted machine and traction by GPS navigation positioning
Two carrying cables are then connected respectively to two and are twisted on machine by the link position of wirerope；
D, the in place of cable and cable layer is crossed：By cable layer by Bo Lan factories harbour, accommodation is adjusted, by the cable disk of workboat
Center is aligned with the cable bridge center of crossing of manufacturer, and band cable fixes accommodation, and the extra large cable in cable factory is delivered to extra large cable along trestle and is applied
If in ship tow disk, crossing cable speed control in average 1200m/h, cable ship approaching bank as possible then will be laid using high tide level,
It is and using anchoring system that cable layer is stabilized；
E, the laying of extra large cable：Extra large cable head out of cable disk is pulled out, is sent into water by cable laying machine, and is spaced and fixes below extra large cable
Inflatable inner tube is estimated required extra large cable length, is then blocked extra large cable, end socket, will be embedded in extra large cable and log in routing starting point one end
After extra large cable head pulls out cable layer, active rotary head is set on extra large cable head, then by active rotary head with logging in starting point
The carrying cable being twisted on machine is connected, and startup is twisted machine, and extra large cable head is dragged to and logs in starting point, and is fixed, when extra large cable is drawn
When to the idler wheel being preset in extra large cable routing, the inflatable inner tube in extra large cable is just released, miniature is applied what extra large cable was shelved on the way
On idler wheel on work ship and interim rolling wheel support, extra large cable rolls on idler wheel, can prevent extra large cable from wearing, then will laying
Ship drives towards bank, while at the uniform velocity releases extra large cable in extra large cable routing, and the extra large cable of releasing is also laid in miniature workboat on the way
On idler wheel on oceangoing ship and interim rolling wheel support, during the shoal area being unable to reach to cable layer, then it will be embedded in extra large cable and log in
The extra large cable head of routing destination terminal stamps active rotary head, and pull out laying ship, then by active rotary head and the strand for logging in terminal point
Carrying cable on grinding machine is connected, start log in terminal be twisted machine, extra large cable head is dragged to embedded terminal, and fix, most
Extra large cable is moved down from idler wheel afterwards, sinking is on sea bed；
F, extra large cable is embedded：Water spray self-propulsion type laying plough is straddled in extra large cable, starts and is mounted on barge charging pump, water pump will be extra large
It is the high pressure sea water with pressure by turn seawater after motor operating in pump, high pressure sea water is ploughed by laying after water sucking
On input port, through piping, ejected from multiple rows of nozzle on plough body, by the mud scour out ditch in seabed；Control sprays water
The size and telescopic rod of pressure control the upper and lower so as to change the angle of excavation of plough body；Extra large cable is passed through by extra large cable guider
Plough body is gone out from plough body end, and into the ditch of injection molding, finally backfill is in extra large cable for the mud ejected, by extra large cable
It is embedded；Laying plough is formed water jet principle of propeller, is realized on sea bed face voluntarily by waterpower mode.
Claims (4)
1. a kind of extra long distance shoal sea bed extra large cable laying technique, which is characterized in that in a manner that first laying backlash is buried, by
Interim rolling wheel support, the miniature construction ship with idler wheel, driving idler wheel and shallow sea self-propulsion type extra large cable laying plough are completed.
A kind of 2. extra long distance shoal sea bed extra large cable laying technique according to claim 1, which is characterized in that specific implementation
Mode is as follows：
A, preparation before laying：Routing underwater topography, prospecting geology are measured, and extra large cable of the sea-anchor to Chao Xia areas is swept using special
Traction repeatedly is carried out in laying routing, removes submarine obstacle, supratidal zone checks extra large cable laying routing in the ebb period；
B, the erection of interim rolling wheel support and miniature construction ship are cast：According to underwater topography and geology, in supratidal zone shoal
Marine site sets up interim rolling wheel support, is equipped with idler wheel on the interim rolling wheel support, miniature apply is cast in subtidal zone depth of water marine site
Work ship is also equipped with idler wheel on the miniature construction ship；
C, the laying of carrying cable and it is twisted the installation of machine：The machine of being twisted is dug at beginning and end ridge is logged in extra large cable, if
Traction anchor is put, installation is twisted machine, and will be twisted machine by GPS navigation positioning and be attached with carrying cable；
D, the in place of cable and cable layer is crossed：By cable layer by Bo Lan factories harbour, accommodation is adjusted, by the extra large cable in cable factory
It is delivered in cable layer cable disk along trestle, then will lay cable ship approaching bank as possible using high tide level, and utilize anchoring
Alignment system is stabilized by cable layer；
E, the laying of extra large cable：Extra large cable head out of cable disk is pulled out, is sent into water by cable laying machine, and is spaced and fixes below extra large cable
Inflatable inner tube estimates extra large cable using length, extra large cable is blocked, end socket, laying is pulled out in the extra large cable head for logging in starting point one end
After ship, active rotary head on extra large cable head is set, and active rotary head and extra large cable are logged in the carrying cable being twisted on machine of starting point
It links together, treats that extra large cable is drawn to the idler wheel being preset in extra large cable routing, the inflatable inner tube in extra large cable is just released, by extra large cable
It is shelved on the idler wheel on miniature construction ship and interim rolling wheel support on the way, then starts the machine that is twisted and draw extra large cable to stepping on
Lu Qidian is simultaneously fixed, and then extra large cable cable layer drives towards bank, while the extra large cable on cable disk is at the uniform velocity released, and is applied to extra large cable
If the shoal area that ship can not reach, the extra large cable head for logging in terminal is pulled out into laying ship, active rotary head is set, then by logging in
Extra large cable head is dragged to and logs in terminal, and fix by be twisted machine and the carrying cable of terminal point, finally moves down extra large cable from idler wheel,
Sinking is on sea bed；
F, extra large cable is embedded：Water spray self-propulsion type lays plough and coordinates with water pump, extra large cable is route scour out ditch, then extra large cable is via deposited
If plough enters in ditch, finally by laying plough mud by burying submarine cable.
A kind of 3. extra long distance shoal sea bed extra large cable laying technique according to claim 2, which is characterized in that the step
The interim rolling wheel support set up in b, the spacing between two neighboring interim rolling wheel support are 1km, are cast in the step b miniature
Construction ship, the spacing between adjacent two miniature construction ships are also 1km.
A kind of 4. extra long distance shoal sea bed extra large cable laying technique according to claim 2, which is characterized in that the step
Special sea-anchor of sweeping in a is three hock anchors or four hock anchor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136880.3A CN108233277A (en) | 2018-02-09 | 2018-02-09 | A kind of extra long distance shoal sea bed extra large cable laying technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136880.3A CN108233277A (en) | 2018-02-09 | 2018-02-09 | A kind of extra long distance shoal sea bed extra large cable laying technique |
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| CN108233277A true CN108233277A (en) | 2018-06-29 |
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|---|---|---|---|
| CN201810136880.3A Pending CN108233277A (en) | 2018-02-09 | 2018-02-09 | A kind of extra long distance shoal sea bed extra large cable laying technique |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687353A (en) * | 2018-11-13 | 2019-04-26 | 南通市海洋水建工程有限公司 | A kind of the sea cable paving system and its laying method of high-quality and high-efficiency |
| CN110474259A (en) * | 2019-08-30 | 2019-11-19 | 北京海瑞兴能源科技有限责任公司 | Log in section cable laying system and a laying method |
| CN110539853A (en) * | 2019-09-11 | 2019-12-06 | 北京海瑞兴能源科技有限责任公司 | Cable laying ship deck arrangement and construction method for laying long-distance sand shores and submarine cables |
| CN112061323A (en) * | 2020-08-20 | 2020-12-11 | 北京海瑞兴能源科技有限责任公司 | Special ship for laying construction of landing section submarine cable under small tidal range and construction method |
| CN113067289A (en) * | 2020-08-28 | 2021-07-02 | 华电重工股份有限公司 | Submarine cable laying method |
| CN113644594A (en) * | 2021-07-29 | 2021-11-12 | 宝胜长飞海洋工程有限公司 | Flush buried submarine cable laying method |
| CN113964736A (en) * | 2021-10-14 | 2022-01-21 | 亨通海洋工程有限公司 | Submarine cable long-distance intertidal zone landing construction process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687353A (en) * | 2018-11-13 | 2019-04-26 | 南通市海洋水建工程有限公司 | A kind of the sea cable paving system and its laying method of high-quality and high-efficiency |
| CN109687353B (en) * | 2018-11-13 | 2024-02-09 | 南通市海洋水建工程有限公司 | High-quality and high-efficiency submarine cable laying system and laying method thereof |
| CN110474259A (en) * | 2019-08-30 | 2019-11-19 | 北京海瑞兴能源科技有限责任公司 | Log in section cable laying system and a laying method |
| CN110539853A (en) * | 2019-09-11 | 2019-12-06 | 北京海瑞兴能源科技有限责任公司 | Cable laying ship deck arrangement and construction method for laying long-distance sand shores and submarine cables |
| CN112061323A (en) * | 2020-08-20 | 2020-12-11 | 北京海瑞兴能源科技有限责任公司 | Special ship for laying construction of landing section submarine cable under small tidal range and construction method |
| CN113067289A (en) * | 2020-08-28 | 2021-07-02 | 华电重工股份有限公司 | Submarine cable laying method |
| CN113644594A (en) * | 2021-07-29 | 2021-11-12 | 宝胜长飞海洋工程有限公司 | Flush buried submarine cable laying method |
| CN113964736A (en) * | 2021-10-14 | 2022-01-21 | 亨通海洋工程有限公司 | Submarine cable long-distance intertidal zone landing construction process |
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Application publication date: 20180629 |