CN105508156B - Cable laying device and wind generating set - Google Patents
Cable laying device and wind generating set Download PDFInfo
- Publication number
- CN105508156B CN105508156B CN201511032735.3A CN201511032735A CN105508156B CN 105508156 B CN105508156 B CN 105508156B CN 201511032735 A CN201511032735 A CN 201511032735A CN 105508156 B CN105508156 B CN 105508156B
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- cable laying
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- 238000009434 installation Methods 0.000 claims abstract description 78
- 230000007704 transition Effects 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a cable laying device and a wind generating set. This cable laying device includes: the rotating shaft assembly comprises an outer rotating shaft and an inner rotating shaft which is arranged in the outer rotating shaft in a penetrating way and limited in the outer rotating shaft, and the inner rotating shaft can rotate relative to the outer rotating shaft; the first end of the first connecting piece is connected with the outer rotating shaft, and the second end of the first connecting piece is fixedly connected with the first mounting object; the first end and the interior pivot connection of second connecting piece, the second end and the second installation thing fixed connection of second connecting piece, first installation thing is rotatable relative to the second installation thing. The cable laying device can ensure no change in the length direction, and can utilize the rotating shaft assembly to bear the centrifugal force of torsion and impeller rotation, thereby ensuring the service life of the cable.
Description
Technical field
The present invention relates to wind power generating set ancillary equipment fields more particularly to a kind of cable laying device and wind-force to send out
Motor group.
Background technique
In wind power generating set, more and more electrical systems are installed on blade, including thunder and lightning on-line monitoring system,
Blade deicing system, vibration monitor system, fatigue detecting system, bearing lightning-protection system etc..One common feature of these systems
It is exactly that the cables such as power supply line, connection, lightning protection downlead need to be routed across pitch variable bearings, and blade and wheel hub at pitch variable bearings
There are 0 °~90 ° of rotation, deformation can be pullled in vane propeller-changing by laying cable here, and since impeller rotates through
There are centrifugal force in journey, it is easier to cable be caused to wear or fracture.
In existing cable system of laying, the prior art one realizes torsion demand using elastomeric element and adjuster,
Key point is that adjuster, adjuster are to shift elastomeric element for activity and deform blade with torsional mode, adjusts
Section device there are problems that it is easy to damage, need to be regularly maintained, and occur damaging or when failure, will lead to whole system failure.And it can not
Solve longitudinal undeformed, radius of torsion when vane propeller-changing is larger to the deformation of elastomeric element, and the position of adjuster installation includes
Cable length all may be larger with expected design difference.
It is that the prior art two is using elastomeric element connection wheel hub and blade, the elastic portion there are also a kind of cable system of laying
Part is spring, and cable is fixed on elastomeric element in a manner of " curve ", and this mode can not solve longitudinal undeformed, is being used
Spring will gradually lose elasticity in the process, and spring is elongated when can not restore, and spring can pull cable, cause more seriously to destroy,
And when unit actual motion, main shaft rotation, variable pitch torsion etc. can all generate vibration, when spring jitter amplitude is larger, can also draw
Cable is pulled, practical application effect is poor.
In short, with the development of technology, more and more electrical equipments are applied in blade, to meet blade deicing, thunder
The demands such as pyroelectric monitor, vibration monitoring, and these electrical equipments needs take electricity and communication, corresponding power supply line, signal from wheel hub
Line crosses more difficult laying when pitch variable bearings, and also there are many forms at present, including vacantly lays, elastomeric element laying, adjuster laying
Deng, but its reliability not can guarantee, the risks such as there are cables to fracture, the big, defective regulator of elastomeric element deformation quantity, practical application
Effect is poor.
Summary of the invention
The embodiment of the present invention provides a kind of cable laying device and wind power generating set, with solve the wiring in blade by
In vane propeller-changing is easily damaged the problem of.
In order to achieve the above objectives, the embodiment of the present invention provides a kind of cable laying device, comprising: rotating assembly, shaft
Component includes outer shaft and wears and limit the interior shaft in outer shaft, and interior shaft can be rotated relative to outer shaft；First connection
The first end of part, the first connector is connect with outer shaft, and the second end of the first connector is fixedly connected with the first installation object；Second
Connector, the first end of the second connector are connect with interior shaft, and the second end of the second connector is fixedly connected with the second installation object,
First installation object can be rotated with respect to the second installation object.
Further, the first connector is connect by transition piece with outer shaft, and the first end of the first connector is positioned at interior
On the axis of shaft, the second connector is fixedly connected in interior shaft, and the first end of the second connector is located at the axis of interior shaft
On line.
Further, transition piece includes First Transition bar and the second transiting rod, the first end of First Transition bar and the second mistake
The first end for crossing bar is fixedly connected, and the second end of the second end of First Transition bar and the second transiting rod is connect with outer shaft respectively,
First connector is connected to the first end of First Transition bar.
Further, interior shaft prevents interior shaft from outer shaft far from being equipped with to be provided on one end of the second connector
The stop lug of interior abjection.
Further, the axis of interior shaft with first installation object pivot center is overlapped, the second end of the first connector with
The second end of second connector is respectively positioned on the pivot center of the first installation object.
Further, the pivot center of the axis of interior shaft and the first installation object has the first angle, and the of the first connector
One in the second end of two ends and the second connector is located on the pivot center of the first installation object.
Further, the axis of interior shaft is overlapped with the pivot center of the first installation object, and the first connector is at least two,
Second connector is at least two, and the second end of the second end of each first connector and each second connector is not in the first installation
On the pivot center of object, the first end of each first connector is both connected on outer shaft, and the first end of each second connector connects
It connects in interior shaft, and is respectively positioned on the axis of interior shaft.
Further, the first connector and the second connector include fixed frame, and fixed frame includes: cross connecting plate, horizontal
It is connect to connecting plate with the first installation object or the second installation object；Vertical connecting plate has between vertical connecting plate and cross connecting plate
There is the second angle, and is connect with interior shaft or outer shaft.
Further, the first connector and the second connector further include connecting rod or connecting rope, and connecting rod or connecting rope connect
It connects between vertical connecting plate and interior shaft or outer shaft.
According to another aspect of the present invention, a kind of wind power generating set is provided, including wheel hub, is rotatably arranged in wheel hub
On blade and the cable that is arranged in blade, further include cable laying device, cable laying device is that above-mentioned cable is laid
Device, the first installation object are blade, and the second installation object is wheel hub, and cable is along the first connector and the second connector cabling.
The cable laying device of the embodiment of the present invention is connected rotating assembly by the first connector and the second connector
Between the first installation object and the second installation object, using the interior shaft of rotating assembly and the relative rotation release of outer shaft due to the
One installation object relatively rotates bring twisting resistance with the second installation object, and when bearing the first installation object opposite second and installing object and rotate
The rotary force and centrifugal force of generation, and guarantee during rotation length it is unchanged, thus solve cable bear twisting resistance and
Centrifugal force is easily damaged the problem of fracture, can protect cable well, solves to deposit using elastomeric element laying cable at present
Elastomeric element itself have a torsion, in long-play, for the problem that elastomeric element itself is larger with the damage of cable.
Detailed description of the invention
Fig. 1 is that the signal of the stereochemical structure on blade and wheel hub is arranged in the cable laying device of the first embodiment of the present invention
Figure；
Fig. 2 is the partial enlarged view at the rotating assembly in Fig. 1；
Fig. 3 is that the signal of the stereochemical structure on blade and wheel hub is arranged in the cable laying device of the second embodiment of the present invention
Figure；
Fig. 4 is the partial enlarged view at the rotating assembly in Fig. 3；
Fig. 5 is that the signal of the stereochemical structure on blade and wheel hub is arranged in the cable laying device of the third embodiment of the present invention
Figure；
Fig. 6 is the partial enlarged view at the rotating assembly in Fig. 5.
Description of symbols:
1, blade；11, bucket cover plate；12, blade damper；2, wheel hub；3, rotating assembly；31, outer shaft；311, first connects
Contact；312, the second tie point；32, interior shaft；321, stop lug；322, third tie point；33, transition piece；331, first
Transiting rod；332, the second transiting rod；4, the first connector；41, the first fixed frame；411, the first cross connecting plate；412, first
Vertical connecting plate；42, first connecting rod；5, the second connector；51, the second fixed frame；511, the second cross connecting plate；512,
Two vertical connecting plates；52, the second connecting rod；9, cable.
Specific embodiment
The cable laying device of the embodiment of the present invention and wind power generating set are described in detail with reference to the accompanying drawing.
Embodiment one
As depicted in figs. 1 and 2, according to an embodiment of the invention, cable laying device includes: that rotating assembly 3, first connects
Part 4 and the second connector 5.Rotating assembly 3 is including outer shaft 31 and wears and limit the interior shaft 32 in outer shaft 31, and interior turn
Axis 32 can be rotated relative to outer shaft 31.The first end of first connector 4 is connect with outer shaft 31, the second end of the first connector 4
It is fixedly connected with the first installation object.The first end of second connector 5 is connect with interior shaft 32, the second end of the second connector 5 with
Second installation object is fixedly connected, and the first installation object can be rotated with respect to the second installation object.
When the first installation object is relative to the second installation object rotation, the rotation of the first installation object is transferred to by the first connector 4
On outer shaft 31 connected to it, the shaft 32 in of outer shaft 31 is rotated, torque is discharged, due to the first connector 4
The first installation object and outer shaft 31 at both ends rotate synchronously, thus the first connector 4 itself lays cable on it without torsion
It will not reverse.Interior shaft 32, the second connector 5 and the second installation object do not rotate, therefore lay on cable laying device
It can guarantee that cable is not reversed and stretched when cable 9, it is ensured that 9 safety of cable.
By the first connector 4 and the second connector 5 by rotating assembly 3 be connected to the first installation object and the second installation object it
Between, using the interior shaft 32 of rotating assembly 3 and the relative rotation release of outer shaft 31 due to the first installation object and the second installation object
The rotary force generated when relatively rotating bring twisting resistance, and bearing the first installation object relative to the second installation object rotation and centrifugation
Power can protect cable 9 to solve the problems, such as that cable bears twisting resistance and centrifugal force is easily damaged fracture well,
Solve have a torsion using elastomeric element itself existing for elastomeric element laying cable at present, in long-play, for elastic portion
Part problem larger with the damage of cable itself.
In the present embodiment, the axis of interior shaft 32 is overlapped with the pivot center of the first installation object, and the of the first connector 4
The second end of two ends and the second connector 5 is respectively positioned on the pivot center of the first installation object.That is, in the first installation object opposite the
When two installation object rotations, the equal without motion of second end of the second end of the first connector 4 and the second connector 5.
First connector 4 is connect by transition piece 33 with outer shaft 31, and the first end of the first connector 4 is located at interior shaft
On 32 axis, the second connector 5 is fixedly connected in interior shaft 32, and the first end of the second connector 5 is located at interior shaft 32
Axis on.It thereby guarantees that, the first connector 4 and the second connector 5 itself are and non-telescope in length direction without torsion, it is ensured that
The cable 9 of laying on it without not Tensile is reversed also, prevents cable 9 from damaging, it is ensured that 9 service life of cable.
Specifically, the first connector 4 and the second connector 5 include fixed frame.According between rotating assembly 3 and fixed frame
Spacing, the first connector 4 and the second connector 5 can also include connecting rod.
In the present embodiment, the fixed frame that the first connector 4 includes is the first fixed frame 41 comprising connecting rod be the
One connecting rod 42.
The cross connecting plate that first fixed frame 41 (being not shown in the present embodiment, reference can be made to Fig. 4) includes laterally connects for first
Fishplate bar 411, vertical connecting plate are the first vertical connecting plate 412.Wherein, the first cross connecting plate 411 is connect with the first installation object,
For the second end of the first connector 4 to be fixedly connected on the first installation object.It is provided with for installing the logical of fastener
Hole.To have second between the first vertical connecting plate 412 and the first cross connecting plate 411 convenient for connecting with first connecting rod 42
Angle.First connecting rod 42 with outer shaft 31 for connecting.Cable laying device is fixed on the first installation by the first fixed frame 41
On object, the diameter in two holes thereon is respectively Ф 11 and Ф 5.
Certainly, first connecting rod 42 can be the stiff rod of rigidity, be also possible to connecting rope flexible, as long as can be by first
The rotation of installation object is transferred to outer shaft 31.
The fixed frame that second connector 5 includes be the second fixed frame 51 comprising connecting rod be the second connecting rod 52.
The cross connecting plate that second fixed frame 51 includes is the second cross connecting plate 511, and vertical connecting plate is second vertical
Connecting plate 512.Wherein, the second cross connecting plate 511 is connect with the second installation object, for consolidating the second end of the second connector 5
Surely it is connected on the second installation object.It is provided with the through-hole for installing fastener.For convenient for being connect with the second connecting rod 52,
There is the second angle between second vertical connecting plate 512 and the second cross connecting plate 511.Second connecting rod 52 is used for and interior shaft
32 connections.
First fixed frame 41 and the second fixed frame 51 etc. connect by the way that fastening assembly (including bolt, nut and gasket etc.) is fixed
It connects on the first installation object and the second installation object.
Similarly, the second connecting rod 52 can be rigid stiff rod, be also possible to connecting rope flexible.
Preferably due to which the first end of first connecting rod 42 will be on the axis of interior shaft 32, to guarantee the first connection
Bar 42 itself is without torsion, therefore, transition piece 33 is connected between first connecting rod 42 and outer shaft 31.Transition piece 33 includes the
The first end of one transiting rod 331 and the second transiting rod 332, the first end of First Transition bar 331 and the second transiting rod 332 is fixed to be connected
It connects, the second end of the second end of First Transition bar 331 and the second transiting rod 332 is connect with outer shaft 31 respectively, the first connector 4
It is connected to the first end of First Transition bar 331.Doing so may insure that 42 nothings of first connecting rod in 31 rotation process of outer shaft
Torsion, and then guarantee that the cable 9 of laying on it is not reversed.
Preferably, in order to ensure interior shaft 32 cooperates with outer shaft 31, prevent the two from disengaging, the separate installation of interior shaft 32
The stop lug 321 for preventing interior shaft 32 from deviating from out of outer shaft 31 is provided on the one end for having the second connector 5.Stop lug
321 area is greater than the area in the hole for installing interior shaft 32 of outer shaft 31, to realize the effect of backstop.
Certainly, in other embodiments, method of the interior limit of shaft 32 on outer shaft 31 has very much, for example, turning outside
A ring slot is processed on the hole wall in the hole for installing interior shaft 32 of axis 31, one circle of processing in the corresponding position of interior shaft 32
Protrusion makes protrusion realize limit with annular groove cooperation.In order to guarantee that interior shaft 32 can penetrate in hole, outer shaft 31 need to be split type
Structure.
Preferably, it is connect for the ease of outer shaft 31 with First Transition bar 331 and the second transiting rod 332, is convenient for interior shaft
32 connect with the second connecting rod 52, the first tie point 311 and the second tie point 312 are provided on outer shaft 31, the two is located at
The same of outer shaft 31 diametrically and is both made of triangular plate, and through-hole is machined on triangular plate.In interior shaft 32
On be provided with third tie point 322, be also triangular plate constitute, be also machined with through-hole thereon.
According to another aspect of the present invention, a kind of wind power generating set is provided, including wheel hub, is rotatably arranged in wheel hub
On blade 1 and the cable 9 that is arranged in blade 1, further include cable laying device, cable laying device is above-mentioned cable
Laying apparatu, the first installation object are blade 1, and the second installation object is wheel hub, and cable 9 is walked along the first connector 4 and the second connector 5
Line.
The cable laying device is arranged between blade 1 and wheel hub 2, solves the cable service life laid on blade 1
Not long problem.As shown in Figure 1, blade 1 has blade damper 12 and bucket cover plate 11.First connector 4 is connected to bucket cover
On plate 11.Second connector 5 connects on the hub 2.The rotating assembly 3 of cable laying device can bear rotation when 1 variable pitch of blade
The drawing force and centrifugal force turned, it is possible to reduce drawing force when variable pitch, being changed into influences the lesser rotation of cable 9 (from torsion to cable 9
Maximum value is 90 °), and cable laying device bears main shaft and rotates all centrifugal force of bring, guarantees the peace of power supply line, signal wire
It is complete reliable.
The installation process of cable laying device is as follows:
Fixed point is selected first, in the present embodiment, the center of circle of two fixing points circle where blade damper 12 and wheel hub
On, the center of blade damper 12 is generally on bucket cover plate 11.Due to not providing holes on bucket cover plate 11, it is therefore desirable to use
Electric drill aperture, outfit include electric hand drill, 10# drill bit, and the diameter of aperture is Ф 11.The center of circle of circle is generally where wheel hub
Variable pitch cabinet, can design bracket makes its center of circle as fixed point.
Then first fixed frame 41 and the second fixed frame 51 are installed.Outfit be open-end wrench, ratchet, using bolt,
Nut, washer by the first fixed frame 41 and the second fixed frame 51 be mounted on 12 tapping of blade damper (i.e. on bucket cover plate 11) and
At hub centre.Bolt, nut, washer specification are respectively stainless steel hex bolts M10 × 80, stainless steel self-locking nut
M10, large washer φ 10, Tightening moment 25Nm, inspection torque are 20Nm.Certainly, in other embodiments, these specifications
It can according to need selection, however it is not limited to this.
After first fixed frame 41 and the installation of the second fixed frame 51, by first connecting rod 42, the second connecting rod 52 and shaft group
Part 3 is installed.The length of first connecting rod 42 and the second connecting rod 52 can be determining according to the distance between two fixed frames, and two
The total length of connecting rod and rotating assembly 3 need to be than the long 20mm of the distance between two fixed frames, and error is within 10mm.First
The first end of connecting rod 42 is fixedly connected on the top of transition piece 33, the lower part both ends of transition piece 33 correspondingly with outer shaft
31 the first tie point 311 and the connection of the second tie point 312, the first end of the first connector 42 directly connect with the first fixed frame 41
It connects.The first end of second connecting rod 52 is connected on the third tie point 322 in interior shaft 32, and it is pre- that second end is connected to fixed frame
On 5 hole Ф stayed.It should be noted that the above link position is intended to clamping, avoid disengaging in use process.Pay special attention to, Ying Bao
The axis of card rotating assembly is overlapped with the pivot center of blade 1.
After installation, installation effect should be verified by manual variable pitch, it is ensured that undeformed in transverse direction, tensionless winkler foundation on longitudinal direction,
Only rotating assembly 3 rotates with deformation when 1 variable pitch of blade, and two connecting rods do not stress.
After cable laying device is installed, carries out cable 9 and lay.When laying cable 9 along two connecting rods, identical trend
Cable 9 should and cable, cable 9 protect when being contacted with metal part, with winding pipe protection cable 9 insulating layer, then with advise
Fixed binding strap is fixed.The binding strap of appropriate length, width, binding strap are chosen according to the entire outer diameter of binding cable 9 and weight
Fracture length must not exceed 2mm, and position must not should turn towards maintenance panel, cable 9 far from rotation, moving parts, cable 9
It is fixed respectively at 3 both ends 100mm of shaft assembly, the surplus of 400-500mm length is reserved among two fixing points, which is by pre-
Allowance adds to arrive and turn plus the distance of two fixing points to rotating assembly 3 namely pre- allowance of the surplus equal to 200mm of 400mm
The distance of the 200mm at the both ends of shaft assembly 3.To prevent pullling cable 9 when the rotation of rotation stop shaft assembly 3, avoids the suspension of cable 9, swings.
Cable 9 binding strap spacing 150mm, 70mm2The above ground cable selection suitable position binding, binding strap spacing can be suitable according to route
Work as adjustment, but must guarantee that spacing arrangement is uniform.Cable installs arrangement and cable installation arrangement is required to require secured, neat, beautiful, benefit
In maintenance.And cable answers smooth vertical and horizontal, uniformly arrangement, corner nature curved arc, no more than cable minimum bending radius.This
Outside, cable is not allow for hinge joint, crossover phenomenon.
It solves the problems, such as that the cable 9 on blade 1 is laid across pitch variable bearings by the cable laying device, is applied by cable
If device bears rotary force and centrifugal force, the safety and stabilization of cable 9 ensure that.By using rotating assembly, solves cable
Laying apparatu has the problem of torsion, ensure that the service life of cable laying device, while cable 9 and the cable laying laid fill
No relative displacement is set, ensure that the reliability service of cable 9.
Embodiment two
As shown in Figure 3 and Figure 4, since the structure of blade 1 or the structure of wheel hub 2 are different, may cause can not select center
The case where point is as fixed point.In the present embodiment, in addition to the setting position of fixed frame is different from embodiment one, other with
Embodiment one is identical.Specifically, in the present embodiment, the pivot center of the axis of interior shaft 32 and the first installation object has the first folder
One in the second end of angle, the second end of the first connector 4 and the second connector 5 is located at the pivot center of the first installation object
On.
In the present embodiment, the first fixed frame 41 is fixed on the center of blade 1 namely its rotation axis for being in blade 1
On line, the second fixed frame 51 be not on the center of wheel hub 2 namely its pivot center for being not at blade 1 on.To guarantee laying
Cable 9 Tensile, cable laying device should not be rotated along tapered surface, it is ensured that between the first fixed frame 41 and the second fixed frame 51
Length it is constant.
The installation steps of the cable laying device and require to require with embodiment one it is identical, only by the fixation with wheel hub 2
Point is transferred on circumference by the center of circle, and when 1 variable pitch of blade, the running track that cable laying device is formed is the surface of circular cone.Shaft
Component 3 should be arranged close to the side in the center of circle, and the tilt angle installed is consistent with the tilt angle of two connecting rods, cable 9
It is fixed respectively at 3 both ends 100mm of rotating assembly, the surplus of 400-500mm length is reserved among two fixing points, this is remaining
Amount is to be equal to the pre- allowance of 200mm plus the distance of two fixing points to rotating assembly 3 namely the surplus of 400mm by pre- allowance
In addition the distance of the 200mm to the both ends of rotating assembly 3.
Since rotating assembly 3 is in close to the side in the center of circle, the first connector 4 can be omitted first connecting rod 42,
And directly outer shaft 31 is connect with the first fixed frame 41 by transition piece 33.As long as ensuring the first end of the first connector 4,
The first end of two connectors 5 and the axis of rotating assembly 3 are overlapped.
Embodiment three
As shown in Figure 5 and Figure 6, in the present embodiment, except two fixing points are not in addition to the center of circle, other with embodiment one
It is identical.Specifically, the axis of interior shaft 32 is overlapped with the pivot center of the first installation object, and the first connector 4 is at least two, the
Two connectors 5 are at least two, and the second end of the second end of each first connector 4 and each second connector 5 is not in the first peace
On the pivot center for filling object, the first end of each first connector 4 is both connected on outer shaft 31, and the first of each second connector 5
End is both connected in interior shaft 32, and is respectively positioned on the axis of interior shaft 32.
Since the fixed point of the first connector 4 and the fixed point of the second connector 5 be not in the rotation axis of the first installation object
On line, it is therefore desirable to use two the first connectors 4 and two the second connectors 5, be formed between blade damper 12 and wheel hub 2
One central point forms two circular cone swept surfaces, rotates the first connector 4 and the second connector 5 along two truncated cones, prevents
Only the two length direction Tensile.
Since two fixing points are not on the center of circle, therefore, it is necessary to two the first fixed frames 41 are mounted on blade damper
On 12 same circumference, two the second fixed frames 51 are mounted on the same circumference of wheel hub 2.Two first connecting rods 42 connect respectively
It connects on the first tie point 311 and the second tie point 312 of the first fixed frame 41 and outer shaft 31.Two second connecting rods 52 are divided
It is not connected on wheel hub 2 and the third tie point 322 of interior shaft 32.The above connection can use the modes such as buckle, crimping, but must
It must guarantee that it cannot be disengaged.When 1 variable pitch of blade, upper and lower two diagonal circular cones are rotated towards opposite direction, are discharged by rotating assembly 3
Twisting resistance.When cable 9 is laid, can vertically any two connecting rods wiring, when across rotating assembly 3, cable 9 turns in distance
It is fixed respectively at 3 both ends 100mm of shaft assembly, the surplus of 400-500mm length is reserved among two fixing points, which is by pre-
Allowance adds to arrive and turn plus the distance of two fixing points to rotating assembly 3 namely pre- allowance of the surplus equal to 200mm of 400mm
The distance of the 200mm at the both ends of shaft assembly 3.
Cable 9 is realized from blade damper 12 to the laying of wheel hub 2 using the cable laying device, structure is simple and safety
Property it is high, it is good to 9 protection effect of cable.Different connection types can be set into according to different use requirements, meet not TongAn
Environmental requirement is filled, can guarantee that longitudinal direction is undeformed, meets the convenient and efficient and safe and reliable requirement of cable laying, and be detached from
By the limitation of elastic construction.Rotating assembly 3 has solved the problems, such as torsion, ensure that service life, while the line laid
Cable 9 and cable laying device ensure that the reliability service of cable 9 without relative displacement.
The cable laying device of the embodiment of the present invention has the effect that
Cable laying device longitudinally undeformed technical effect can be reached, to solve the elastomeric element used or adjusting
The structures such as the device technical problem big there are longitudinal deformation amount.
The effect of connecting rod is laying cable, passes to shaft group for the active force in connecting rod is generated when vane propeller-changing
Part, its active force can all pass to rotating assembly when connecting rod is rigid element, and connecting rod is elastomeric element or flexible part
When part, active force can be some with own absorption, and rest part passes to rotating assembly.
In pitch process, cable laying device running track is axial 90 ° or 90 ° of circular cone cambered surface sweeping of rotation, Zong Xiangchang
Degree does not change, and bears twisting resistance using structures such as connecting rod or wirerope in axial direction, then passes to rotating assembly release.
For cannot the center of circle install the case where, due to above and below truncated cone on circumference any two points distance be variation
, and the active force of laying apparatu longitudinal stretching is caused, after being converted into two cones, longitudinal length does not occur in pitch process
Change, bear twisting resistance using structures such as connecting rod or wirerope in axial direction, then passes to rotating assembly release.
When connecting rod uses rigid structure, since axial torsion can damage it, increases rotating assembly and solve line
Cable laying apparatu has the problem of torsion, when using ductile structure, elastic construction, also can use rotating assembly and reduces axial shape
Become.
Cable laying device is set to have a variety of patterns, to solve the knot such as elastomeric element or adjuster used at present
Structure, the big technical problem of longitudinal deformation amount meet different installation environment requirements, and cable laying device is longitudinally undeformed to solve line
It is convenient and efficient and safe and reliable without relative displacement when cable is laid, and departing from prior art by the limitation of elastic construction.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of cable laying device characterized by comprising
Rotating assembly (3), the rotating assembly (3) include outer shaft (31) and wear and limit in the outer shaft (31)
Interior shaft (32), the interior shaft (32) can rotate relative to the outer shaft (31)；
The first end of first connector (4), first connector (4) is connect with the outer shaft (31), first connection
The second end of part (4) is fixedly connected with the first installation object；
Second connector (5), the first end of second connector (5) are connect with the interior shaft (32), second connection
The second end of part (5) is fixedly connected with the second installation object, and the relatively described second installation object of the first installation object can be rotated,
Wherein, cable is along first connector (4) and/or second connector (5) cabling, and from the rotating assembly
(3) outside bypasses.
2. cable laying device according to claim 1, which is characterized in that first connector (4) passes through transition piece
(33) it is connect with the outer shaft (31), and the first end of first connector (4) is located at the axis of the interior shaft (32)
On, second connector (5) is fixedly connected on the interior shaft (32), and the first end position of second connector (5)
In on the axis of the interior shaft (32).
3. cable laying device according to claim 2, which is characterized in that the transition piece (33) includes First Transition bar
(331) and the second transiting rod (332), the first of the first end of the First Transition bar (331) and second transiting rod (332)
End is fixedly connected, the second end of the second end of the First Transition bar (331) and second transiting rod (332) respectively with it is described
Outer shaft (31) connection, first connector (4) are connected to the first end of the First Transition bar (331).
4. cable laying device according to claim 2, which is characterized in that the separate installation of the interior shaft (32) is
It is convex to state the backstop for being provided on one end of the second connector (5) and preventing the interior shaft (32) from deviating from out of the outer shaft (31)
Edge (321).
5. cable laying device according to claim 2, which is characterized in that the axis of the interior shaft (32) and described the
The pivot center of one installation object is overlapped, and the second end of first connector (4) and the second end of second connector (5) are equal
On the pivot center of the first installation object.
6. cable laying device according to claim 2, which is characterized in that the axis of the interior shaft (32) and described the
The pivot center of one installation object has the first angle, and the of the second end of first connector (4) and second connector (5)
One in two ends is located on the pivot center of the first installation object.
7. cable laying device according to claim 1, which is characterized in that the axis of the interior shaft (32) and described the
The pivot center of one installation object is overlapped, and first connector (4) is at least two, and second connector (5) is at least two
A, the second end of the second end of each first connector (4) and each second connector (5) is not in first installation
On the pivot center of object, the first end of each first connector (4) is both connected on the outer shaft (31), and each described second
The first end of connector (5) is both connected on the interior shaft (32), and is respectively positioned on the axis of the interior shaft (32).
8. cable laying device according to any one of claim 1 to 7, which is characterized in that first connector (4)
It include fixed frame with second connector (5), the fixed frame includes:
Cross connecting plate, the cross connecting plate are connect with the first installation object or the second installation object；
Vertical connecting plate, between the vertical connecting plate and the cross connecting plate have the second angle, and with the interior shaft
(32) or the outer shaft (31) connects.
9. cable laying device according to claim 8, which is characterized in that first connector (4) and described second
Connector (5) further includes connecting rod or connecting rope, the connecting rod or connecting rope be connected to the vertical connecting plate with it is described interior
Between shaft (32) or the outer shaft (31).
10. a kind of wind power generating set including wheel hub, the blade being rotatably arranged on the wheel hub (1) and is arranged in institute
State the cable (9) in blade (1), which is characterized in that further include cable laying device, the cable laying device is claim
Cable laying device described in any one of 1 to 9, the first installation object is blade (1), and the second installation object is wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032735.3A CN105508156B (en) | 2015-12-31 | 2015-12-31 | Cable laying device and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032735.3A CN105508156B (en) | 2015-12-31 | 2015-12-31 | Cable laying device and wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508156A CN105508156A (en) | 2016-04-20 |
| CN105508156B true CN105508156B (en) | 2018-12-14 |
Family
ID=55716385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511032735.3A Active CN105508156B (en) | 2015-12-31 | 2015-12-31 | Cable laying device and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508156B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750280B (en) * | 2019-03-27 | 2022-11-15 | 香港中华煤气有限公司 | Detection device |
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| US4435125A (en) * | 1981-05-20 | 1984-03-06 | Windpowered Machines Ltd. | Wind turbine spindle assembly with spindle constraint |
| CN201991709U (en) * | 2011-03-11 | 2011-09-28 | 中航惠德风电工程有限公司 | Cable rotation antiwear device |
| CN102272447A (en) * | 2009-01-13 | 2011-12-07 | 维斯塔斯风力系统集团公司 | A wind turbine |
| CN103047092A (en) * | 2013-01-07 | 2013-04-17 | 上海双菱风能电力设备有限公司 | Cable twisting prevention connecting device for high-power fan |
| CN203456837U (en) * | 2013-09-18 | 2014-02-26 | 大唐华安（齐齐哈尔）风力发电有限公司 | Wind generating set cable guider |
| CN205277727U (en) * | 2015-12-31 | 2016-06-01 | 北京金风科创风电设备有限公司 | Cable laying apparatus and wind generating set |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012220293A1 (en) * | 2012-11-07 | 2014-05-08 | Wobben Properties Gmbh | A slip ring transmission |
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2015
- 2015-12-31 CN CN201511032735.3A patent/CN105508156B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435125A (en) * | 1981-05-20 | 1984-03-06 | Windpowered Machines Ltd. | Wind turbine spindle assembly with spindle constraint |
| CN102272447A (en) * | 2009-01-13 | 2011-12-07 | 维斯塔斯风力系统集团公司 | A wind turbine |
| CN201991709U (en) * | 2011-03-11 | 2011-09-28 | 中航惠德风电工程有限公司 | Cable rotation antiwear device |
| CN103047092A (en) * | 2013-01-07 | 2013-04-17 | 上海双菱风能电力设备有限公司 | Cable twisting prevention connecting device for high-power fan |
| CN203456837U (en) * | 2013-09-18 | 2014-02-26 | 大唐华安（齐齐哈尔）风力发电有限公司 | Wind generating set cable guider |
| CN205277727U (en) * | 2015-12-31 | 2016-06-01 | 北京金风科创风电设备有限公司 | Cable laying apparatus and wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508156A (en) | 2016-04-20 |
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