CN207467865U - A kind of back twist system for being suitable for multiple section extra large cable - Google Patents
A kind of back twist system for being suitable for multiple section extra large cable Download PDFInfo
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- CN207467865U CN207467865U CN201721619147.4U CN201721619147U CN207467865U CN 207467865 U CN207467865 U CN 207467865U CN 201721619147 U CN201721619147 U CN 201721619147U CN 207467865 U CN207467865 U CN 207467865U
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Abstract
The utility model discloses a kind of back twist systems for being suitable for multiple section extra large cable, belong to extra large cable back twist system.Extra large cable back twist mode is single, it is impossible to adapt to the extra large cable of different-diameter.The utility model include extra large cable storage disk, liftable multiple bearing platforms, liftable lifting tower, for driving extra large cable storage disk device of rotation driving that tugboat rotates, set on the extra large cable bracket on lifting tower top, for drawing going out cable dragger and storing up disk device of rotation driving with extra large cable and go out the controller that cable dragger is connected for extra large cable, extra large cable storage disk device of rotation driving, bearing platform are set on the lower section of extra large cable storage disk；Multiple bearing platforms are arranged with extra large cable storage disk concentric circumferences.The utility model, which can be realized easily, rotates horizontally back twist and height back twist two ways, and back twist mode easy switching can use different back twist modes, easy to operate, easy switching according to the extra large cable of different cross section.
Description
Technical field
The utility model is related to extra large cable back twist system more particularly to a kind of back twist systems for being suitable for multiple section extra large cable.
Background technology
At present, extra large cable, under the effect of external force, in the method for similar steel wire rope after the completion of production and before cable laying operation
It is coiled in circular extra large cable storage disk, it is such to generate inherent rotation stress to armouring extra large cable around the mode of putting, a circle is often coiled,
There is the annular torsion that a circle is additional, the annular that this requires certain mode is taken to put disk when extra large cable is transferred and is laid
Stress is unlocked one by one, is prevented back twist uneven or is accumulated, extra large cable is caused to damage.
At present, there are mainly two types of modes for extra large cable back twist：
Height back twist mode
Technical principle：Extra large cable height back twist mode extra large cable storage disk be a fixed tray form, extra large cable storage coiling by
Layer carries out.The most important part of height back twist mode is cable bracket.It is mostly truss structure to go out cable bracket, and material is seamless steel
Pipe, intensity is good, stable structure, is easily installed and dismantles.It is by going out cable dragger that extra large cable traction is logical during extra large cable cable laying operation
Cable bracket is crossed out, by entering sink, is laid to sea bed.
Technical characterstic：The extra large cable storage disk that is mainly characterized by of extra large cable height back twist mode does not rotate, flat fixed to sea
On the deck of platform, extra large cable is taken out high to certain height, the rotation stress that extra large cable is made to be generated when dischargeing coiling, then by going out
The traction of cable dragger, extra large cable is applied on sea bed.Its advantage applies to the extra large cable laying of middle small bore, at low cost and skill
Art is ripe.Shortcoming is not to be suitable for big section extra large cable back twist, because its need it is very high go out cable bracket, there are security risk, simultaneously
Remaining rotation stress is had in extra large cable, it is impossible to realize that extra large cable stress all discharges, cumulative stress will result in a certain extent
Extra large cable is damaged.
Plane Rotation back twist mode
Technical principle：The extra large cable storage disk of extra large cable rotation back twist mode is the form of shaft, and the lower part of extra large cable storage disk is equipped with back
Rotation mechanism, itself carries driving device, can coordinate the laying extra large cable speed of cable dragger, adjust itself rotary speed, will
Extra large cable is discharged on sea bed.The cable mode of crossing of extra large cable rotation back twist directly ships upper mounting plate in factory terminal, i.e. extra large cable is from factory
It is out stored up on disk by the extra large cable that extra large cable is directly transported on cable construction offshore platform by the conveyer belt of harbour in workshop.Extra large cable
During cable laying operation, disc spins are stored up by extra large cable and discharge extra large cable, goes out cable dragger and extra large cable is drawn through into sink, lay to sea
On bed.
Technical characterstic：Plane Rotation back twist maximum feature is to store up disc spins by extra large cable stress release by cable, without taking
It builds height and goes out cable bracket, it can be with go out cable dragger, offshore platform laying speed harmonious, efficiency and high degree of automation.
Shortcoming is that construction cost is higher, and because extra large cable storage disk gravity is huge, its underpart arranges that a large amount of tugboats are held because having both along rotation track
Weight and spinfunction, easily damage and influence system service life, therefore the back twist mode relatively can not suitable for height back twist mode
Realize the big section extra large cable back twist of back twist.
It is domestic at present to carry out extra large cable cable laying operation generally using height back twist mode, but because the demand of domestic electrical supply flies
Speed goes up and the needs of island intelligent grid construction, voltage class constantly increase, and extra large cable cross-sectional area constantly increases, at present extra large cable
Transmission voltage grade can reach 500kV, and extra large cable cross-sectional area can reach 1800mm2, traditional height back twist mode can not expire
The back twist requirement of sufficient voltage levels, heavy in section extra large cable, therefore a kind of construction of back twist system for being suitable for multiple section extra large cable
It is particularly important in this stage.
Utility model content
The technical problems to be solved in the utility model and propose technical assignment be to prior art carry out improve with
It improves, a kind of back twist system for being suitable for multiple section extra large cable is provided, for the purpose of realizing multiple section extra large cable back twist requirement.For
This, the utility model takes following technical scheme.
A kind of back twist system for being suitable for multiple section extra large cable including extra large cable storage disk, liftable multiple bearing platforms, can rise
The lifting tower of drop, for drive extra large cable storage disk device of rotation driving that tugboat rotates, set on lifting tower top extra large cable bracket, use
Going out cable dragger and store up disk device of rotation driving with extra large cable and go out the controller that cable dragger is connected in traction extra large cable, it is described
Extra large cable storage disk device of rotation driving, bearing platform are set on the lower section of extra large cable storage disk；Multiple bearing platforms store up disk concentric circumferences cloth with extra large cable
It puts；When using height back twist, raising bearing platform makes extra large cable storage disk detachment extra large cable storage disk device of rotation driving, and increases lifting tower
To meet back twist requirement, machine travel extra large cable is drawn by entering sink by going out cable, is laid to sea bed；It is moved back when using Plane Rotation
When torsion mode carries out extra large cable back twist, bearing platform is reduced, extra large cable storage disk device of rotation driving is made to be contacted with extra large cable storage disk, extra large cable storage disk
Device of rotation driving driving extra large cable storage disc spins movement, and controls out cable dragger sync pulling extra large cable, to the stress of extra large cable into
Row release.This system, which can be realized easily, rotates horizontally back twist and height back twist two ways, and back twist mode easy switching can root
Different back twist modes, easy to operate, easy switching are used according to the extra large cable of different cross section.
As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model further includes following supplementary technology
Sign.
The extra large cable storage disk device of rotation driving includes tugboat, the driving motor that driving tugboat rotates, the tugboat
Set on the lower section of extra large cable storage disk；The tugboat is arranged with extra large cable storage disk concentric circumferences；When using height back twist, load-bearing is increased
Platform makes extra large cable store up disk detachment tugboat；When using extra large cable back twist is carried out using Plane Rotation back twist mode, bearing platform is reduced, makes to drag
Wheel is contacted with extra large cable storage disk, and extra large cable storage disk is rotated in motor driving tugboat.Tugboat is driven by driving motor, in reality
Easily realize that tugboat drives extra large cable storage disc spins during existing Plane Rotation back twist mode；Extra large cable storage disk is taken off by increasing bearing platform
From tugboat, it can be achieved that during height back twist extra large cable storage disk fixation, for different back twist modes, extra large cable storage disc spins and fix two
Kind mode easy switching.
The lifting tower is equipped with the more Telescopic supporting rods for being used to support lifting tower.Telescopic supporting rod one side is just
In providing the support to lifting tower, in addition, according to back twist and height back twist two ways is rotated horizontally to lifting tower requirement for height
Difference, the height of supporting rod can be easily adjusted by stretch mode.
The lifting tower includes the lifting tower hydraulic pressure booster of truss upright-column, driving truss column up-down；Truss upright-column
Using truss structure, each tie point takes riveting form, can be rotated around node, controllable by lifting tower hydraulic pressure booster
The whole height of truss upright-column processed；The extra large cable bracket is equipped at the top of truss upright-column, institute is equipped in the middle part of the extra large cable bracket
That states goes out cable dragger.Truss up-down mode technology maturation, easy to operate, stable connection can easily realize lifting, lift model
It encloses greatly, when not in use, reduction occupies little space afterwards in place；It is safe and reliable to sea by extra large cable bracket and going out cable dragger
Cable carries out deriving cable.
The supporting rod is oblique to be set on truss upright-column surrounding, and supporting rod one end is connected with truss upright-column top, supporting rod
The other end be the anchored end to land.Supporting rod is distributed surrounding, makes support force distribution uniform, support effect is good, and supporting rod
Ground terminal anchors, and can prevent supporting rod from sliding, and stability is good, and reliability is high.
The supporting rod is the supporting sleeve using three-stage sleeve structure, and three sections of casings are mutually nested to adjust its length
Degree, the supporting sleeve are equipped with locking device at nesting, and supporting sleeve stretches with the lifting of truss upright-column, works as purlin
After erecting column arrival setting height, locking device locks supporting rod.The supporting rod of three-stage casing has larger stretch
Contracting difference in height, adaptation level rotate the requirement for height of back twist and height back twist to truss, and locking device can be conveniently realized to branch
Being locked after the adjusting in place of strut height.
The extra large cable storage disk includes interior fence, outer fence, bottom plate and circular partition board, and the bottom plate is rounded, interior
Fence, outer fence, bottom plate match to form the storage cable chamber of upward opening, and the partition board is laterally set, and storage cable chamber are separated into more
Floor storage cable room, the partition board are equipped with the arc groove for wearing cable.If regulating mechanism is with suitable various sizes of extra large cable；It is logical
It crosses partition board and storage cable disk is separated into multilayer storage cable room, every layer of storage independent load in cable room stores up cable to the load limit in lower floor's storage cable room
When by increasing partition board, establish upper strata Chu Lan rooms, increase more storage cable abilities, can effectively promote the storage cables of storage cable disk
Amount, arc groove can be turned around with being more than the curvature of extra large cable minimum bending radius to upper strata Chu Lan rooms convenient for extra large cable.
The interior fence is formed by multiple interior fence units are stacked up and down, and the outer fence is by multiple outer fence units
Stacked up and down to form, the madial wall of interior fence unit, the lateral wall of outer fence unit are equipped with supporting rack, the inner ring of partition board with it is interior
Fence unit matches, and outer ring and the outer fence unit of partition board match；The interior fence unit of same layer, outer fence cell height are identical.
It by the modular construction of interior fence unit, outer fence unit, is not only convenient for carrying, and is convenient for when needing higher fence
Stacked to build, by the matching of interior fence unit, outer fence unit and partition board, multilayer storage cable room is built in realization.
The partition board opens up the arc groove at two difference 180 degree angles, and two arc grooves form serpentine clearance groove, close to interior
The angle between arc groove tangent line and interior fence tangent line at fence is greater than or equal to 100 degree, and less than or equal to 150 degree.Two
The arc groove of a center symmetric setting can easily make extra large cable be transferred to upper strata Chu Lan rooms from its arc groove nearby,
Suitable arc groove tangent line and the angle between interior fence tangent line, convenient for going to upper strata in extra large cable and turning around interior enclose by arc groove
Be not in wide-angle bending during column, extra large cable will not be injured.
The partition board has a load bearing frame being arranged radially, the interior fence unit and outer fence unit
Top is equipped with the locating slot that matches with load bearing frame, and partition board is erected at interior fence unit, on outer fence unit by load bearing frame；
The partition board is spliced by more plates, including base plate and sketch plate；Base plate is in sector, and both sides are straight flange, and described is different
One side of shape plate is straight flange, another side is the arc-shaped edges to form arc groove；Each base plate, sketch plate are equipped with load bearing frame；
It is connected between adjacent foundation plate, between sketch plate and base plate by connector；
The bottom plate of cable disk can be first installed on submarine cable operation platform deck or on tugboat by cable disk when mounted, medial and lateral
Fence unit is tried to get to the heart of a matter set on cable on plate, is split into a storage cable room；
Start to install partition board, first installation foundation plate after the completion of the bottom cable disk winding displacement, during installation foundation plate, base plate is held
Power skeleton is placed at the locating slot on inside and outside gusset column, is connected between each base plate by connector, after in base plate, installation is complete
Start sketch plate installation, sketch plate is connect with base plate, in installation process will load bearing frame be placed in medial and lateral fence card
At slot, for partition board after installation is complete, the medial and lateral fence unit that the second layer is set above partition board forms a storage cable room, is further continued for sea
Row's cable cloth cable work of cable, carries out building for upper strata Chu Lan rooms, repetitive operation, until arriving after the completion of the storage cable room winding displacement of the floor
Up to the required number of plies.
By the modularized processing to partition board, easy to carry and installation, by the splicing of base plate and sketch plate, then every
Setting load bearing frame below block base plate, sketch plate, load effect is good, between adjacent foundation plate, between sketch plate and base plate
It is connected by connector, firm and reliable connection；Storage cable disk use and install it is simple and convenient, it is easy to operate.
Advantageous effect：
1st, convenient realize rotates horizontally back twist and height back twist two ways, and back twist mode easy switching can be according to not
For extra large cable with section using different back twist modes, easy to operate, easy switching can be effectively to large, medium and small various different sections
The extra large cable in face realizes back twist operation, discharges the rotation stress of extra large cable.
2nd, liftable bearing platform can easily realize the rotation and fixation of extra large cable storage disk, realize two kinds of different back twist modes pair
The operation of extra large cable storage disk requires, and the switch operating between different back twist modes largely can be complete conveniently by automatic control system
Into in height back twist, the gravity of extra large cable storage disk is undertaken by liftable bearing platform, can effectively be protected storage disk lower part tugboat, be increased
The durability of a whole set of back twist system is added.
3rd, the truss-type telescopic mode of lifting tower and the Auxiliary support mode of Telescopic supporting rod, easily realize lifting tower
Lifting and support, solve because middle small bore extra large cable back twist cause out cable bracket repeatedly to going out cable bracket height requirement difference
The problems such as dismounting；The locking device of supporting rod easily can carry out the fixation after stretching in place to supporting rod.
4th, multilayer storage cable room can effectively promote the storage cable amount of storage cable disk, and the arc groove of partition board can be with big convenient for extra large cable
It is turned around in the curvature of extra large cable minimum bending radius to upper strata Chu Lan rooms, extra large cable will not be made to be damaged in bending.
5th, set load bearing frame that can effectively promote load-bearing capacity of the partition board to extra large cable under partition board, support effect is good.
Description of the drawings
Fig. 1 is the utility model height back twist application schematic diagram.
Fig. 2 is the arrangement schematic diagram of the utility model tugboat and bearing platform.
Fig. 3 is the utility model extra large cable storage dish structure schematic diagram.
Fig. 4 is the utility model extra large cable storage disk overlooking the structure diagram.
Fig. 5 is the extra large cable storage dish structure schematic diagram that the utility model does not install partition board.
In figure：1- tugboats；2- bearing platforms；3- extra large cables store up disk；4- extra large cables；5- supporting rods；6- goes out cable dragger；7- extra large cable supports
Frame；8- lifting towers；9- submarine cable operation platforms；301- outer fences；Fence in 302-；303- partition boards；304- load bearing frames；305- arcs
Shape slot；306- bottom plates；30301- base plates；30302- sketch plates；801- truss upright-columns；802- lifting tower hydraulic pressure boosters.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figs. 1-5, a kind of back twist system for being suitable for multiple section extra large cable, including extra large cable storage disk 3, liftable 12
A bearing platform 2, liftable lifting tower 8, for driving extra large cable storage disk device of rotation driving that tugboat 1 rotates, set on lifting tower 8
The extra large cable bracket 7 on top, for draw extra large cable 4 go out cable dragger 6 and with extra large cable store up disk device of rotation driving and go out cable traction
The connected controller of machine 6, extra large cable storage disk device of rotation driving, bearing platform 2 are set on the lower section of extra large cable storage disk 3；12 bearing platforms 2 with
Extra large cable storage disk 3 concentric circumferences arrangement；When using height back twist, raising bearing platform 2 makes extra large cable storage disk 3 be detached from extra large cable storage disk rotation
Driving device, and lifting tower 8 is increased to meet back twist requirement, extra large cable 4 is drawn by entering sink by going out cable dragger 6, is laid
To sea bed；When carrying out 4 back twist of extra large cable using Plane Rotation back twist mode, bearing platform 2 is reduced, makes extra large cable storage disk rotation driving
Device is contacted with extra large cable storage disk 3, extra large cable storage disk device of rotation driving driving extra large cable storage 3 rotary motion of disk, and cable is controlled out to draw
6 sync pulling extra large cable 4 of machine, discharges the stress of extra large cable 4.
In order to which extra large cable storage disk 3 is made to adapt to two kinds of back twist modes, extra large cable storage disk device of rotation driving includes tugboat 1, driving is dragged
The driving motor of 1 rotation of wheel, tugboat 1 are set on the lower section of extra large cable storage disk 3；Tugboat 1 is arranged with extra large cable 3 concentric circumferences of storage disk；When adopting
During with height back twist, raising bearing platform 2 makes extra large cable storage disk 3 be detached from tugboat 1；Sea is carried out using Plane Rotation back twist mode when using
During 4 back twist of cable, bearing platform 2 is reduced, tugboat 1 is made to store up disk 3 with extra large cable and is contacted, motor driving tugboat 1 is rotated extra large cable storage disk 3
Movement.Tugboat 1 is driven by driving motor, easily realizes that tugboat 1 drives extra large cable storage when realizing Plane Rotation back twist mode
Disk 3 rotates；Extra large cable is made to store up disk 3 by increasing bearing platform 2 and is detached from tugboat 1, it can be achieved that extra large cable stores up the fixation of disk 3 during height back twist,
For different back twist modes, extra large cable storage disk 3 rotates and fixes two ways easy switching.
In order to realize the adjusting to 8 Auxiliary support height of lifting tower, lifting tower 8 is used to support lifting tower 8 equipped with more
Telescopic supporting rod 5.5 one side of Telescopic supporting rod is convenient for providing the support to lifting tower 8, in addition, being moved back according to horizontal rotation
It turns round and height back twist two ways is to the difference of 8 requirement for height of lifting tower, supporting rod 5 can be easily adjusted by stretch mode
Auxiliary support height.
For the ease of lifting, the lifting tower hydraulic pressure that lifting tower 8 includes truss upright-column 801, driving truss column 801 lifts helps
Thruster 802；Truss upright-column 801 uses truss structure, and each tie point takes riveting form, can be rotated, passed through around node
Lifting tower hydraulic pressure booster 802 can control the whole height of truss upright-column 801；801 top of truss upright-column is equipped with extra large cable bracket 7,
7 middle part of extra large cable bracket is equipped with out cable dragger 6.Truss up-down mode technology maturation, easy to operate, stable connection can be convenient
Realize lifting, range is big, and when not in use, reduction occupies little space afterwards in place；By extra large cable bracket 7 and go out cable dragger
6, it is safe and reliable that extra large cable 4 is carried out to derive cable.
In order to make the supporting ＆ stablizing of supporting rod 5 reliable, supporting rod 5 is oblique to be set on 801 surrounding of truss upright-column, supporting rod 5 one
End is connected with 801 top of truss upright-column, and the other end of supporting rod 5 is the anchored end to land.Supporting rod 5 is distributed surrounding, makes support
Power distribution uniform, support effect is good, and the anchoring of 5 ground terminal of supporting rod can prevent supporting rod 5 from sliding, stability is good, reliability
It is high.
In order to realize larger flexible difference in height, supporting rod 5 is the supporting sleeve using three-stage sleeve structure, and three sections cover
Manage mutually nested to adjust its length, supporting sleeve is equipped with locking device at nesting, and supporting sleeve is with truss upright-column 801
Lifting is stretched, and after truss upright-column 801 reaches setting height, locking device locks supporting rod 5.Three-stage casing
Supporting rod 5 there is larger flexible difference in height, adaptation level rotation back twist and height back twist are to the requirement for height of truss, locking
Device can conveniently realize being locked after highly being adjusted in place to supporting rod 5.
For the ease of storing more extra large cables 4, storage cable ability is promoted, extra large cable storage disk 3 includes interior fence 302, outer fence
301st, bottom plate 306 and circular partition board 303, bottom plate 306 is rounded, and interior fence 302, outer fence 301, bottom plate 306, which match, to be formed
Storage cable chamber is separated into multilayer storage cable room by the storage cable chamber of upward opening, the laterally setting of partition board 303, and partition board 303 is equipped with to wear
The arc groove 305 of cable and the regulating mechanism for adjusting arc well width.If regulating mechanism is with suitable various sizes of extra large cable.
Storage cable disk is separated by partition board 303 by multilayer and stores up cable room, every layer of storage independent load in cable room stores up cable to load in lower floor's storage cable room
By increasing partition board 303, establishing upper strata Chu Lan rooms during the limit, increase more storage cable abilities, can effectively promote storage cable disk
Storage cable amount, arc groove 305 can be turned around to upper strata Chu Lan rooms with being more than the curvature of 4 minimum bending radius of extra large cable convenient for extra large cable 4.
For the ease of carrying and building, interior fence 302 is formed by multiple interior fence units are stacked up and down, outer fence 301 by
Multiple outer fence units are stacked up and down to be formed, and the madial wall of interior fence unit, the lateral wall of outer fence unit are equipped with supporting rack,
The inner ring of partition board 303 matches with interior fence unit, and outer ring and the outer fence unit of partition board 303 match；The interior fence unit of same layer,
Outer fence cell height is identical.By the modular construction of interior fence unit, outer fence unit, it is not only convenient for carrying, and
It needs to build convenient for stacked during higher fence, by the matching of interior fence unit, outer fence unit and partition board 303, realization is taken
Build multilayer storage cable room.
In order to which extra large cable 4 is made being transferred to upper strata and making to be not in Bending Damage, partition board 303 opens up two difference 180 degree angles
Arc groove 305, two arc grooves 305 form serpentine clearance groove, 305 tangent line of arc groove at the interior fence 302 and interior fence
Angle between 302 tangent lines is greater than or equal to 100 degree, and less than or equal to 150 degree.The arc groove of two center symmetric settings
305 can easily make extra large cable 4 be transferred to upper strata Chu Lan rooms, suitable arc groove 305 from its arc groove 305 nearby
Tangent line and the angle between interior 302 tangent line of fence, convenient for going to upper strata in extra large cable 4 and turning around interior fence 302 by arc groove 305
When be not in wide-angle bending, extra large cable 4 will not be injured.
In order to increase load ability, partition board 303 has a load bearing frame 304 being arranged radially, interior fence unit and
The top of outer fence unit is equipped with the locating slot to match with load bearing frame 304, and partition board 303 is erected at interior by load bearing frame 304
On fence unit, outer fence unit；Partition board 303 is spliced by more plates, including base plate 30301 and sketch plate 30302；Basis
Plate 30301 is in sector, and both sides are straight flange, and one side of sketch plate 30302 is straight flange, another side is the circular arc to form arc groove 305
Side；Each base plate 30301, sketch plate 30302 are equipped with load bearing frame 304；Between adjacent foundation plate 30301, sketch plate
It is connected between 30302 and base plate 30301 by connector；
The bottom plate 306 of cable disk can be first installed on the tugboat 1 of submarine cable operation platform 9 by cable disk when mounted, inside and outside gusset
Column unit is tried to get to the heart of a matter set on cable on plate 306, is split into a storage cable room；
Start that partition board 303, first installation foundation plate 30301, installation foundation plate are installed after the completion of bottom cable disk winding displacement
When 30301,30301 load bearing frame 304 of base plate is placed at the locating slot on inside and outside gusset column, is passed through between each base plate 30301
Connector connects, and starts the installation of sketch plate 30302 after installation is complete in base plate 30301, by sketch plate 30302 and base plate
30301 connections, in installation process will load bearing frame 304 be placed at the fence card slot of medial and lateral, partition board 303 is after installation is complete,
The medial and lateral fence unit that 303 top of partition board sets the second layer forms a storage cable room, is further continued for row's cable cloth cable work of extra large cable 4, when
Building for upper strata Chu Lan rooms, repetitive operation, until the number of plies needed for reaching are carried out after the completion of the storage cable room winding displacement of the floor.
By the modularized processing to partition board 303, easy to carry and installation passes through base plate 30301 and sketch plate 30302
Splicing, then below every piece of base plate 30301, sketch plate 30302 set load bearing frame 304, load effect is good, adjacent foundation
It is connected between plate 30301, between sketch plate 30302 and base plate 30301 by connector, firm and reliable connection；Storage cable disk makes
With and installation it is simple and convenient, it is easy to operate.
During construction, height back twist mode is used when carrying out back twist laying to middle small bore extra large cable 4；To big section extra large cable
4 carry out using Plane Rotation back twist mode during back twist laying.
The course of work is：
The ginsengs such as maximum carrying lateral pressure are allowed according to the outer diameter of practice of construction extra large cable 4,4 linear mass of extra large cable, extra large cable 4
Several cable bracket height that go out to height back twist mode calculate, and calculation formula is：
In formula：L- highly goes out cable bracket height；H- cables stack height；H- back twist height；R- cables minimum disc is around half
Diameter；4 outer diameter of extra large cable；N- cables allow to stack the maximum number of plies；F- extra large cables 4 allow maximum carrying lateral pressure；M- extra large cables 4 are single
Bit length gravity；G- acceleration of gravity, takes 9.8/4 back twist of extra large cable can be calculated in Practical Project to extra large cable by publicity
The requirement of 7 height of bracket, by the way that lifting tower hydraulic pressure booster 802 is controlled to set the support angle of truss structure by truss upright-column
801 are adjusted to desired height；The Liftable hydraulic bearing platform 2 of 3 lower part of extra large cable storage disk is raised simultaneously, the weight of the disk 3 of extra large cable storage at this time
Power is undertaken by hydraulic pressure bearing platform 2, protects tugboat 1.Extra large cable 4 is drawn through extra large cable bracket 7 by going out cable dragger 6, by entering
Sink is laid to sea bed.
Set 8 liftable maximum height of lifting tower is 15m in this example, if being calculated in Practical Project by publicity
It, can be by this back twist system when required 8 height of lifting tower is more than 15m or can not use height back twist scheme according to construction requirement
It is set as Plane Rotation back twist mode.
The back twist system that a kind of shown in figure 1 above -5 is suitable for multiple section extra large cable is the specific implementation of the utility model
Example, has embodied the utility model in essence feature and progress, can be according to practical use needs, in opening for the utility model
Under showing, equivalent modifications, the row in the protection domain of this programme are carried out to it.
Claims (10)
1. a kind of back twist system for being suitable for multiple section extra large cable, it is characterised in that：Disk is stored up including extra large cable（3）, it is liftable more
A bearing platform（2）, liftable lifting tower（8）, for driving tugboat（1）The extra large cable storage disk device of rotation driving of rotation is set on
Lifting tower（8）The extra large cable bracket on top（7）, for drawing extra large cable（4）Go out cable dragger（6）And it is driven with extra large cable storage disk rotation
Device and go out cable dragger（6）Connected controller, extra large cable storage disk device of rotation driving, bearing platform（2）Set on extra large cable
Store up disk（3）Lower section；Multiple bearing platforms（2）Disk is stored up with extra large cable（3）Concentric circumferences are arranged.
2. a kind of back twist system for being suitable for multiple section extra large cable according to claim 1, it is characterised in that：The sea
Cable storage disk device of rotation driving includes tugboat（1）, driving tugboat（1）The driving motor of rotation, the tugboat（1）Set on extra large cable
Store up disk（3）Lower section；The tugboat（1）Disk is stored up with extra large cable（3）Concentric circumferences are arranged；When using height back twist, raising is held
Weight platform（2）Extra large cable is made to store up disk（3）It is detached from tugboat（1）；Extra large cable is carried out using Plane Rotation back twist mode when using（4）During back twist,
Reduce bearing platform（2）, make tugboat（1）Disk is stored up with extra large cable（3）Contact, motor driving tugboat（1）Extra large cable is made to store up disk（3）It is rotated
Movement.
3. a kind of back twist system for being suitable for multiple section extra large cable according to claim 2, it is characterised in that：The liter
Tower drops（8）Lifting tower is used to support equipped with more（8）Telescopic supporting rod（5）.
4. a kind of back twist system for being suitable for multiple section extra large cable according to claim 3, it is characterised in that：The liter
Tower drops（8）Including truss upright-column（801）, driving truss column（801）The lifting tower hydraulic pressure booster of lifting（802）；Truss is stood
Column（801）Using truss structure, each tie point takes riveting form, can be rotated around node, is helped by lifting tower hydraulic pressure
Thruster（802）Controllable truss upright-column（801）Whole height；Truss upright-column（801）Top is equipped with the extra large cable bracket
（7）, the extra large cable bracket（7）Middle part goes out cable dragger equipped with described（6）.
5. a kind of back twist system for being suitable for multiple section extra large cable according to claim 4, it is characterised in that：The branch
Strut（5）It is oblique to be set on truss upright-column（801）Surrounding, supporting rod（5）One end and truss upright-column（801）Top is connected, supporting rod
（5）The other end be the anchored end to land.
6. a kind of back twist system for being suitable for multiple section extra large cable according to claim 5, it is characterised in that：The branch
Strut（5）For the supporting sleeve using three-stage sleeve structure, three sections of casings are mutually nested to adjust its length, the support
Casing is equipped with locking device at nesting, and supporting sleeve is with truss upright-column（801）Lifting stretch, work as truss upright-column
（801）After reaching setting height, locking device is to supporting rod（5）It is locked.
7. a kind of back twist system for being suitable for multiple section extra large cable according to claim 1-6 any claims, special
Sign is：The extra large cable storage disk（3）Including interior fence（302）, outer fence（301）, bottom plate（306）And circular partition board
（303）, the bottom plate（306）It is rounded, interior fence（302）, outer fence（301）, bottom plate（306）Matching forms upward opening
Storage cable chamber, the partition board（303）Storage cable chamber is separated into multilayer storage cable room, the partition board by laterally setting（303）On set
It is useful for wearing the arc groove of cable（305）.
8. a kind of back twist system for being suitable for multiple section extra large cable according to claim 7, it is characterised in that：Described is interior
Fence（302）It is formed by multiple interior fence units are stacked up and down, the outer fence（301）It is folded up and down by multiple outer fence units
It puts, the madial wall of interior fence unit, the lateral wall of outer fence unit are equipped with supporting rack, partition board（303）Inner ring with it is interior
Fence unit matches, partition board（303）Outer ring and outer fence unit match；The interior fence unit of same layer, outer fence cell height
It is identical.
9. a kind of back twist system for being suitable for multiple section extra large cable according to claim 8, it is characterised in that：It is described every
Plate（303）Open up the arc groove at two difference 180 degree angles（305）, two arc grooves（305）Serpentine clearance groove is formed, is enclosed close to interior
Column（302）The arc groove at place（305）Tangent line and interior fence（302）Angle between tangent line is greater than or equal to 100 degree, and be less than or
Equal to 150 degree.
10. a kind of back twist system for being suitable for multiple section extra large cable according to claim 9, it is characterised in that：Described
Partition board（303）Have the load bearing frame being arranged radially（304）, the interior fence unit and the top of outer fence unit
It is equipped with and load bearing frame（304）The locating slot of matching, partition board（303）Pass through load bearing frame（304）It is erected at interior fence unit, outer
On fence unit；The partition board（303）It is spliced by more plates, including base plate（30301）And sketch plate（30302）；Base
Plinth plate（30301）In sector, both sides are straight flange, the sketch plate（30302）One side be straight flange, another side is to form arc
Slot（305）Arc-shaped edges；Each base plate（30301）, sketch plate（30302）It is equipped with load bearing frame（304）；Adjacent foundation plate
（30301）Between, sketch plate（30302）With base plate（30301）Between connected by connector；
Cable disk when mounted can be first by the bottom plate of cable disk（306）It is installed on submarine cable operation platform（9）Tugboat（1）On, medial and lateral
Fence unit is tried to get to the heart of a matter plate set on cable（306）On, it is split into a storage cable room；
Start that partition board is installed after the completion of bottom cable disk winding displacement（303）, installation foundation plate first（30301）, installation foundation plate
（30301）When, base plate（30301）Load bearing frame（304）It is placed at the locating slot on inside and outside gusset column, each base plate（30301）
Between connected by connector, in base plate（30301）Start sketch plate after installation is complete（30302）Installation, by sketch plate
（30302）With base plate（30301）It connects, it will load bearing frame in installation process（304）It is placed at the fence card slot of medial and lateral,
Partition board（303）After installation is complete, in partition board（303）The medial and lateral fence unit that top sets the second layer forms a storage cable room, followed by
Continuous extra large cable（4）The work of row's cable cloth cable, after the completion of the storage cable room winding displacement of the floor carrying out upper strata Chu Lan rooms builds, and repeats behaviour
Make, until the number of plies needed for reaching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619147.4U CN207467865U (en) | 2017-11-28 | 2017-11-28 | A kind of back twist system for being suitable for multiple section extra large cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619147.4U CN207467865U (en) | 2017-11-28 | 2017-11-28 | A kind of back twist system for being suitable for multiple section extra large cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207467865U true CN207467865U (en) | 2018-06-08 |
Family
ID=62258925
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721619147.4U Active CN207467865U (en) | 2017-11-28 | 2017-11-28 | A kind of back twist system for being suitable for multiple section extra large cable |
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| CN (1) | CN207467865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498558A (en) * | 2022-11-08 | 2022-12-20 | 万达集团股份有限公司 | Submarine cable laying untwisting device |
-
2017
- 2017-11-28 CN CN201721619147.4U patent/CN207467865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498558A (en) * | 2022-11-08 | 2022-12-20 | 万达集团股份有限公司 | Submarine cable laying untwisting device |
| CN115498558B (en) * | 2022-11-08 | 2023-03-24 | 万达集团股份有限公司 | Submarine cable laying untwisting device |
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