CN105508156A - Cable laying device and wind generating set - Google Patents
Cable laying device and wind generating set Download PDFInfo
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- CN105508156A CN105508156A CN201511032735.3A CN201511032735A CN105508156A CN 105508156 A CN105508156 A CN 105508156A CN 201511032735 A CN201511032735 A CN 201511032735A CN 105508156 A CN105508156 A CN 105508156A
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- 238000009434 installation Methods 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims description 68
- 230000007704 transition Effects 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000011664 signaling Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer 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
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- Bridges Or Land Bridges (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
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 supplementary equipment field, particularly relate to a kind of cable laying device and wind power generating set.
Background technique
In wind power generating set, increasing electrical system is installed on blade, comprises thunder and lightning on-line monitoring system, blade deicing system, vibration monitor system, fatigue detecting system, bearing lightning-protection system etc.The cables such as a common feature of these systems is exactly power line, connection, lightning protection downlead need to stride across pitch variable bearings wiring, and there is the rotation of 0 ° ~ 90 ° in pitch variable bearings place blade and wheel hub, the cable be laid in herein can be pullled deformation when vane propeller-changing, and owing to there is centrifugal force in vane rotary process, more easily cause cable wear and tear or fracture.
In existing cable system of laying, patent CN101922407A adopts elastic member and regulator to realize torsion demand, its key point is regulator, regulator makes elastic member be shifted and blade is out of shape with torsional mode for mobility, there is fragile, to need often maintenance problem in regulator, and when there is damage or fault, whole system will be caused to lose efficacy.And cannot solve longitudinally undeformed, torsion radius during vane propeller-changing is comparatively large to the deformation of elastic member, regulator install position, including cable length all may be larger with expected design difference.
A kind of cable system of laying is in addition, patent CN103670957A adopts elastic member to connect wheel hub and blade, this elastic member is spring, cable is fixed on elastic member in the mode of " curve ", this mode cannot solve longitudinally undeformed, in use spring will follow the string gradually, when spring is elongated and cannot recovers, spring can pull cable, causes more heavy damage, and during unit actual motion, main shaft rotates, become oar torsion etc. all can produce vibration, when spring jitter amplitude is larger, also can pull cable, practical application effect is poor.
In a word, along with the development of technology, increasing electrical equipment is applied in blade, to meet the demands such as blade deicing, lightning monitoring, vibration monitoring, and these electrical equipments need power taking and communication from wheel hub, more difficultly when corresponding power line, signaling line cross pitch variable bearings to lay, also various ways is had at present, comprise unsettledly to lay, elastic member lays, regulator lays, but its reliability cannot ensure, have that cable fractures, elastic member deformation quantity is large, defective regulator equivalent risk, practical application effect is poor.
Summary of the invention
Embodiments of the invention provide a kind of cable laying device and wind power generating set, hold flimsy problem with the wiring solved in blade due to vane propeller-changing.
For achieving the above object, embodiments of the invention provide a kind of cable laying device, comprising: rotating assembly, rotating assembly comprise outer shaft and wear and spacing in outer shaft in rotating shaft, interior rotating shaft can be rotated relative to outer shaft; First link, the first end of the first link is connected with outer shaft, and the second end of the first link is fixedly connected with the first installation material; Second link, the first end of the second link is connected with interior rotating shaft, and the second end of the second link is fixedly connected with the second installation material, and the first installation material is rotatable relative to the second installation material.
Further, the first link is connected with outer shaft by transition piece, and the first end of the first link is positioned on the axis of rotating shaft, and the second link is fixedly connected in interior rotating shaft, and the first end of the second link is positioned on the axis of rotating shaft.
Further, transition piece comprises First Transition bar and the second transiting rod, the first end of First Transition bar is fixedly connected with the first end of the second transiting rod, second end of First Transition bar is connected with outer shaft respectively with the second end of the second transiting rod, and the first link is connected to the first end of First Transition bar.
Further, interior rotating shaft be provided with away from the one end being provided with the second link the stop lug preventing interior rotating shaft from deviating from outer shaft.
Further, the axis of interior rotating shaft overlaps with the rotation axis of the first installation material, and the second end of the first link and the second end of the second link are all positioned on the rotation axis of the first installation material.
Further, the axis of interior rotating shaft and the rotation axis of the first installation material have the first angle, and one in the second end of the first link and the second end of the second link is positioned on the rotation axis of the first installation material.
Further, the axis of interior rotating shaft overlaps with the rotation axis of the first installation material, first link is at least two, second link is at least two, second end of each first link and the second end of each second link be not all on the rotation axis of the first installation material, the first end of each first link is all connected on outer shaft, and the first end of each second link is all connected in interior rotating shaft, and is all positioned on the axis of rotating shaft.
Further, the first link and the second link include fixing frame, and fixing frame comprises: cross connecting plate, and cross connecting plate is connected with the first installation material or the second installation material; Vertical connecting plate, has the second angle between vertical connecting plate and cross connecting plate, and is connected with interior rotating shaft or outer shaft.
Further, the first link and the second link also comprise connecting rod or bridle line, and connecting rod or bridle line are connected between vertical connecting plate and interior rotating shaft or outer shaft.
According to a further aspect in the invention, a kind of wind power generating set is provided, comprise wheel hub, be arranged on the blade on wheel hub and the cable that is arranged in blade rotationally, also comprise cable laying device, cable laying device is above-mentioned cable laying device, first installation material is blade, and the second installation material is wheel hub, and cable is along the first link and the second link cabling.
Rotating assembly is connected between the first installation material and the second installation material by the first link and the second link by the cable laying device of embodiments of the invention, the interior rotating shaft of rotating assembly and relatively rotating of outer shaft is utilized to discharge because the first installation material and the second installation material relatively rotate the warping force brought, and bear the rotating force and centrifugal force that the first installation material produces when the second installation material rotates, and ensure that length is unchanged in rotation process, thus solve cable and bear the problem that warping force and centrifugal force easily damage fracture, it can protect cable well, solve the elastic member self using elastic member to lay cable existence at present and have torsion, in long-play, for the problem that elastic member itself is larger with the infringement of cable.
Accompanying drawing explanation
Fig. 1 is the perspective view that the cable laying device of the first embodiment of the present invention is arranged on blade and wheel hub;
Fig. 2 is the partial enlarged drawing at the rotating assembly place in Fig. 1;
Fig. 3 is the perspective view that the cable laying device of the second embodiment of the present invention is arranged on blade and wheel hub;
Fig. 4 is the partial enlarged drawing at the rotating assembly place in Fig. 3;
Fig. 5 is the perspective view that the cable laying device of the third embodiment of the present invention is arranged on blade and wheel hub;
Fig. 6 is the partial enlarged drawing at the rotating assembly place in Fig. 5.
Description of reference numerals:
1, blade; 11, blade cover plate; 12, blade damper; 2, wheel hub; 3, rotating assembly; 31, outer shaft; 311, the first tie point; 312, the second tie point; 32, interior rotating shaft; 321, stop lug; 322, the 3rd tie point; 33, transition piece; 331, First Transition bar; 332, the second transiting rod; 4, the first link; 41, the first fixing frame; 411, the first cross connecting plate; 412, the first vertical connecting plate; 42, head rod; 5, the second link; 51, the second fixing frame; 511, the second cross connecting plate; 512, the second vertical connecting plate; 52, the second connecting rod; 9, cable.
Embodiment
Below in conjunction with accompanying drawing, the cable laying device of the embodiment of the present invention and wind power generating set are described in detail.
Embodiment one
As depicted in figs. 1 and 2, according to embodiments of the invention, cable laying device comprises: rotating assembly 3, first link 4 and the second link 5.Rotating assembly 3 comprise outer shaft 31 and wear and spacing in outer shaft 31 in rotating shaft 32, interior rotating shaft 32 can be rotated relative to outer shaft 31.The first end of the first link 4 is connected with outer shaft 31, and the second end of the first link 4 is fixedly connected with the first installation material.The first end of the second link 5 is connected with interior rotating shaft 32, and the second end of the second link 5 is fixedly connected with the second installation material, and the first installation material is rotatable relative to the second installation material.
When the first installation material rotates relative to the second installation material, the rotation of the first installation material is passed on connected outer shaft 31 by the first link 4, the mutually internal rotating shaft 32 of outer shaft 31 is rotated, moment of torsion is discharged, due to the first installation material and outer shaft 31 synchronous axial system at the first link 4 two ends, thus the first link 4 itself is without reversing, and the cable 9 laid thereon also can not reverse.Interior rotating shaft 32, second link 5 and the second installation material all do not rotate, and can ensure that cable 9 is not reversed and stretches, guarantee cable 9 safety when therefore laying cable 9 on cable laying device.
By the first link 4 and the second link 5, rotating assembly 3 is connected between the first installation material and the second installation material, the interior rotating shaft 32 of rotating assembly 3 and relatively rotating of outer shaft 31 is utilized to discharge because the first installation material and the second installation material relatively rotate the warping force brought, and bear the rotating force and centrifugal force that the first installation material produces when the second installation material rotates, thus solve cable 9 and bear the problem that warping force and centrifugal force easily damage fracture, it can protect cable 9 well, solve the elastic member self using elastic member to lay cable 9 existence at present and have torsion, in long-play, for the problem that elastic member itself is larger with the infringement of cable 9.
In the present embodiment, the axis of interior rotating shaft 32 overlaps with the rotation axis of the first installation material, and the second end of the first link 4 and the second end of the second link 5 are all positioned on the rotation axis of the first installation material.Also, namely, when the first installation material rotates relative to the second installation material, the second end of the first link 4 and the second end of the second link 5 are all without motion.
First link 4 is connected with outer shaft 31 by transition piece 33, and the first end of the first link 4 is positioned on the axis of rotating shaft 32, and the second link 5 is fixedly connected in interior rotating shaft 32, and the first end of the second link 5 is positioned on the axis of rotating shaft 32.Ensure thus, the first link 4 and the second link 5 self are without reversing, and non-telescope at length direction, guaranteeing to lay cable 9 thereon namely without reversing also not Tensile, preventing cable 9 from damaging, and guarantee cable 9 working life.
Particularly, the first link 4 and the second link 5 include fixing frame.Indirect according between rotating assembly 3 and fixing frame, the first link 4 and the second link 5 can also comprise connecting rod.
In the present embodiment, the fixing frame that the first link 4 comprises is the first fixing frame 41, and it connecting rod comprised is head rod 42.
The cross connecting plate that first fixing frame 41 (not shown in the present embodiment, can see Fig. 4) comprises is the first cross connecting plate 411, and vertical connecting plate is the first vertical connecting plate 412.Wherein, the first cross connecting plate 411 is connected with the first installation material, for the second end of the first link 4 is fixedly connected on the first installation material.Be provided with the through hole for mounting fastener.For ease of being connected with head rod 42, between the first vertical connecting plate 412 and the first cross connecting plate 411, there is the second angle.Head rod 42 is for being connected with outer shaft 31.Cable laying device is fixed on the first installation material by the first fixing frame 41, and the diameter in two holes on it is respectively Ф 11 and Ф 5.
Certainly, head rod 42 can be the stiff rod of rigidity, also can be flexible bridle line, as long as the rotation of the first installation material can be passed to outer shaft 31.
The fixing frame that second link 5 comprises is the second fixing frame 51, and it connecting rod comprised is the second connecting rod 52.
The cross connecting plate that second fixing frame 51 comprises is the second cross connecting plate 511, and vertical connecting plate is the second vertical connecting plate 512.Wherein, the second cross connecting plate 511 is connected with the second installation material, for the second end of the second link 5 is fixedly connected on the second installation material.Be provided with the through hole for mounting fastener.For ease of being connected with the second connecting rod 52, between the second vertical connecting plate 512 and the second cross connecting plate 511, there is the second angle.Second connecting rod 52 is for being connected with interior rotating shaft 32.
First fixing frame 41 and the second fixing frame 51 etc. are fixedly connected on the first installation material and the second installation material by fastener assembly (comprising bolt, nut and pad etc.).
Similarly, the second connecting rod 52 can be the stiff rod of rigidity, also can be flexible bridle line.
Preferably, the first end due to head rod 42 will be on the axis of interior rotating shaft 32, to ensure that head rod 42 self is without reversing, and therefore, is connected with transition piece 33 between head rod 42 and outer shaft 31.Transition piece 33 comprises First Transition bar 331 and the second transiting rod 332, the first end of First Transition bar 331 is fixedly connected with the first end of the second transiting rod 332, second end of First Transition bar 331 is connected with outer shaft 31 respectively with the second end of the second transiting rod 332, and the first link 4 is connected to the first end of First Transition bar 331.Do like this and can guarantee that head rod 42 is without torsion in outer shaft 31 rotation process, and then ensure that the cable 9 laid thereon is not reversed.
Preferably, coordinate with outer shaft 31 in order to ensure interior rotating shaft 32, prevent both from throwing off, interior rotating shaft 32 be provided with away from the one end being provided with the second link 5 stop lug 321 preventing interior rotating shaft 32 from deviating from outer shaft 31.The area of stop lug 321 is greater than the area in the hole for installing interior rotating shaft 32 of outer shaft 31, to realize the effect of backstop.
Certainly, in other embodiments, the spacing method on outer shaft 31 of interior rotating shaft 32 has a lot, such as, the hole wall in the hole for installing interior rotating shaft 32 of outer shaft 31 processes a ring groove, protruding at the corresponding position of interior rotating shaft 32 processing one circle, make protruding coordinate with annular groove realize spacing.In order to ensure that interior rotating shaft 32 can penetrate in hole, outer shaft 31 is required to be split-type structural.
Preferably, be connected with First Transition bar 331 and the second transiting rod 332 for the ease of outer shaft 31, be convenient to interior rotating shaft 32 be connected with the second connecting rod 52, outer shaft 31 is provided with the first tie point 311 and the second tie point 312, both are positioned at the diametrically same of outer shaft 31, and both are formed by triangular plate, triangular plate is processed with through hole.Interior rotating shaft 32 is provided with the 3rd tie point 322, and it is also formed for triangular plate, and it is also processed with through hole.
According to a further aspect in the invention, a kind of wind power generating set is provided, comprise wheel hub 2, rotationally blade 1 be on the hub 2 set and the cable 9 that is arranged in blade 1, it also comprises cable laying device, cable laying device is above-mentioned cable laying device, first installation material is blade 1, and the second installation material is wheel hub 2, and cable 9 is along the first link 4 and the second link 5 cabling.
This cable laying device is arranged between blade 1 and wheel hub 2, solves the problem that cable 9 that blade 1 lays is not grown working life.As shown in Figure 1, blade 1 has blade damper 12 and blade cover plate 11.First link 4 is connected on blade cover plate 11.Second link 5 connects on the hub 2.The rotating assembly 3 of cable laying device can bear the tensile force and centrifugal force that rotate when blade 1 becomes oar, tensile force when becoming oar can be reduced, changing into affects less cable 9 to cable 9 and rotates (certainly turning round maximum value is 90 °), and cable laying device bears main shaft rotates all centrifugal force brought, ensure the safe and reliable of power line, signaling line.
The installation process of cable laying device is as follows:
First select immovable point, in the present embodiment, two immovable points are on the center of circle that blade damper 12 and wheel hub 2 place are justified, and the center of blade damper 12 is generally on blade cover plate 11.Due to not providing holes on blade cover plate 11, therefore need to use electric drill perforate, outfit comprises electric hand drill, 10# drill bit, and the diameter of perforate is Ф 11.The center of circle of wheel hub 2 place circle is generally and becomes oar cabinet, can design support and make its center of circle as immovable point.
Then first fixing frame 41 and the second fixing frame 51 be installed.Outfit is open-end wrench, ratchet, uses bolt, nut, packing ring that the first fixing frame 41 and the second fixing frame 51 are arranged on blade damper 12 tapping (namely on blade cover plate 11) and wheel hub 2 center.Bolt, nut, packing ring specification are respectively stainless steel hex head bolt M10 × 80, stainless steel self-locking nut M10, large washer φ 10, and Tightening moment is 25Nm, and inspection moment is 20Nm.Certainly, in other embodiments, these specifications can be selected as required, are not limited to this.
Head rod 42, second connecting rod 52 and rotating assembly 3 are installed after installing by the first fixing frame 41 and the second fixing frame 51.The length of head rod 42 and the second connecting rod 52 can be determined according to the distance between two fixing frames, and the total length of two connecting rods and rotating assembly 3 need than the distance 20mm between two fixing frames, and error is within 10mm.The first end of head rod 42 is fixedly connected on the top of transition piece 33, the two ends, bottom of transition piece 33 are connected with the first tie point 311 of outer shaft 31 and the second tie point 312 correspondingly, and the first end of head rod 42 is directly connected with the first fixing frame 41.The first end of the second connecting rod 52 is connected on the 3rd tie point 322 in interior rotating shaft 32, and the second end is connected on reserved Ф 5 hole of fixing frame.It should be noted that, above link position all will clamp, and avoids throwing off in using process.Pay special attention to, should ensure that the axis of rotating assembly 3 overlaps with the rotation axis of blade 1.
After installation terminates, manually should become oar, effect is installed in checking, and guarantee transversely undeformed, tensionless winkler foundation in longitudinal direction, only have rotating assembly 3 to rotate deformation when blade 1 becomes oar thereupon, two connecting rods do not stress.
After cable laying device installation, carry out cable 9 and lay.When laying cable 9 along two connecting rods, identical move towards cable 9 should and cable, to protect cable 9 when contact with metallic member, with entwining tube protection cable 9 isolation layer, then with specify bundling strap fix.The bundling strap of appropriate length, width is chosen according to the entire outer diameter of colligation cable 9 and weight, bundling strap fracture length must not more than 2mm, and position must not towards maintenance panel, cable 9 should away from rotation, moving member, cable 9 is fixed respectively at 100mm place, rotating assembly 3 two ends, the surplus of reserved 400-500mm length in the middle of two immovable points, this surplus adds the distance of two immovable points to rotating assembly 3 by pre-allowance, and the pre-allowance that also namely the surplus of 400mm equals 200mm adds the distance of the 200mm at the two ends of rotating assembly 3., in case pull cable 9 when spline shaft assembly 3 rotates, avoid cable 9 to hang, swing.Cable 9 bundling strap spacing 150mm, 70mm
2above ground cable is selected to be applicable to position colligation, and bundling strap spacing suitably can adjust according to route, but must ensure spacing arrangement evenly.Cable 9 install arrangement require firm, neat, attractive in appearance, be beneficial to maintenance.And cable 9 should be smooth vertical and horizontal, evenly arranges, corner nature curved arc, can not exceed cable minimum bending radius.In addition, cable 9 has not allowed hinge joint, crossover phenomenon.
The cable 9 solved on blade 1 by this cable laying device crosses over the problem that pitch variable bearings lays, and bears rotating force and centrifugal force by cable laying device, ensure that the safety of cable 9 and stablizes.By using rotating assembly 3, solving the problem that cable laying device has torsion, ensure that the working life of cable laying device, the cable 9 simultaneously laid without relative displacement, ensure that the reliable operation of cable 9 with cable laying device.
Embodiment two
As shown in Figure 3 and Figure 4, due to the structure of blade 1 or the structure difference of wheel hub 2, the situation that central point cannot be selected as immovable point may be caused.In the present embodiment, except the setting position of fixing frame is different from embodiment one, other are all identical with embodiment one.Particularly, in the present embodiment, the axis of interior rotating shaft 32 and the rotation axis of the first installation material have the first angle, and one in the second end of the first link 4 and the second end of the second link 5 is positioned on the rotation axis of the first installation material.
In the present embodiment, the first fixing frame 41 to be fixed in blade 1 in the heart, and also namely it is on the rotation axis of blade 1, and the second fixing frame 51 not to be in wheel hub 2 in the heart, and namely it is not on the rotation axis of blade 1 yet.For ensureing the cable 9 not Tensile laid, cable laying device should rotate along conical surface, guarantees that the length between the first fixing frame 41 and the second fixing frame 51 is constant.
Installation steps and the requirement of this cable laying device require identical with embodiment one, just transfer to circumferentially by the immovable point with wheel hub 2 by the center of circle, and when blade 1 becomes oar, the running orbit that cable laying device is formed is the surface of circular cone.Rotating assembly 3 should be arranged on the side near the center of circle, and the angle of inclination of installing is consistent with the angle of inclination of two connecting rods, cable 9 is fixed respectively at distance 100mm place, rotating assembly 3 two ends, the surplus of reserved 400-500mm length in the middle of two immovable points, this surplus adds the distance of two immovable points to rotating assembly 3 by pre-allowance, and the pre-allowance that also namely the surplus of 400mm equals 200mm adds the distance of the 200mm at the two ends of rotating assembly 3.。
Because rotating assembly 3 is in the side near the center of circle, therefore the first link 4 can omit head rod 42, and is directly connected with the first fixing frame 41 by outer shaft 31 by transition piece 33.As long as guarantee the first end of the first link 4, the first end of the second link 5 and the dead in line of rotating assembly 3.
Embodiment three
As shown in Figure 5 and Figure 6, in the present embodiment, except two immovable points are not all except the center of circle, other are all identical with embodiment one.Particularly, the axis of interior rotating shaft 32 overlaps with the rotation axis of the first installation material, first link 4 is at least two, second link 5 is at least two, second end of each first link 4 and the second end of each second link 5 be not all on the rotation axis of the first installation material, the first end of each first link 4 is all connected on outer shaft 31, and the first end of each second link 5 is all connected in interior rotating shaft 32, and is all positioned on the axis of rotating shaft 32.
Because the immovable point of the first link 4 and the immovable point of the second link 5 be not all on the rotation axis of the first installation material, therefore use two the first links 4 and two the second links 5 are needed, a central point is formed between blade damper 12 and wheel hub 2, form two circular cone swept surfaces, first link 4 and the second link 5 are rotated along two truncated cones, prevents both length direction Tensiles.
Because two immovable points are not all on the center of circle, therefore, need two the first fixing frames 41 to be arranged on the circumferentially same of blade damper 12, two the second fixing frames 51 are arranged on the circumferentially same of wheel hub 2.On the first tie point 311 that two head rods 42 are connected to the first fixing frame 41 and outer shaft 31 and the second tie point 312.Two second connecting rods 52 are connected on the 3rd tie point 322 of wheel hub 2 and interior rotating shaft 32.More than connect and can adopt the mode such as buckle, crimping, but must ensure that it can not be thrown off.When blade 1 becomes oar, upper and lower two diagonal angle circular cone directions towards the opposite rotate, and discharge warping force by rotating assembly 3.When cable 9 lays, can vertically connect up by any two connecting rods, when crossing over rotating assembly 3, cable 9 is fixed respectively at distance 100mm place, rotating assembly 3 two ends, the surplus of reserved 400-500mm length in the middle of two immovable points, this surplus adds the distance of two immovable points to rotating assembly 3 by pre-allowance, and the pre-allowance that also namely the surplus of 400mm equals 200mm adds the distance of the 200mm at the two ends of rotating assembly 3.。
Adopt this cable laying device to realize cable 9 from blade damper 12 laying to wheel hub 2, its structure is simple and Security is high, good to cable 9 protection effect.Different Placements can be arranged to according to different user demands, meet different installation environment requirement, can ensure longitudinally undeformed, meet the convenient and swift and safe and reliable requirement that cable lays, and depart from the restriction relying on elastic structure.Rotating assembly 3 solves the problem of torsion, ensure that working life, and the cable 9 simultaneously laid without relative displacement, ensure that the reliable operation of cable 9 with cable laying device.
Cable laying device of the present invention has following effect:
Can reach cable laying device longitudinally deformation-free technique effect, thus there is the large technical problem of longitudinal deformation amount in the structure such as the elastic member of solution use or regulator.
Cable 9 is laid in the effect of connecting rod, by the force transmission of generation on connecting rod during vane propeller-changing to rotating assembly, when connecting rod is rigid element, its active force all can pass to rotating assembly, connecting rod be elastic member or compliant member time, its active force can own absorption some, remaining part passes to rotating assembly.
Become in oar process, cable laying device running orbit is axial rotation 90 ° or circular cone cambered surface sweeping 90 °, and longitudinal length does not change, and axially utilizes the structure such as connecting rod or wire rope to bear warping force, then passes to rotating assembly release.
For situation about can not install in the center of circle, due to truncated cone up and down circumferentially any two points distance be change, and cause the active force of laying apparatu longitudinal stretching, after being converted into two cones, become longitudinal length in oar process not change, axially utilize the structure such as connecting rod or wire rope to bear warping force, then pass to rotating assembly release.
During connecting rod use rigid construction, because axial torsion can damage it, increase rotating assembly and solve the problem that cable laying device has torsion, when using ductile structure, elastic structure, rotating assembly also can be utilized to reduce axial deformation.
Cable laying device is made to possess multiple pattern, thus solve the structures such as the elastic member that uses at present or regulator, the technical problem that longitudinal deformation amount is large, meet different installation environment requirement, cable laying device is longitudinally undeformed to be solved when cable 9 lays without relative displacement, convenient and swift and safe and reliable, and departed from the restriction that prior art relies on elastic structure.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a cable laying device, is characterized in that, comprising:
Rotating assembly (3), described rotating assembly (3) comprises outer shaft (31) and wears and spacing interior rotating shaft (32) in described outer shaft (31), and described interior rotating shaft (32) can be rotated relative to described outer shaft (31);
First link (4), the first end of described first link (4) is connected with described outer shaft (31), and the second end of described first link (4) is fixedly connected with the first installation material;
Second link (5), the first end of described second link (5) is connected with described interior rotating shaft (32), second end of described second link (5) is fixedly connected with the second installation material, and relatively described second installation material of described first installation material is rotatable.
2. cable laying device according to claim 1, it is characterized in that, described first link (4) is connected with described outer shaft (31) by transition piece (33), and the first end of described first link (4) is positioned on the axis of described rotating shaft (32), described second link (5) is fixedly connected on described interior rotating shaft (32), and the first end of described second link (5) is positioned on the axis of described rotating shaft (32).
3. cable laying device according to claim 2, it is characterized in that, described transition piece (33) comprises First Transition bar (331) and the second transiting rod (332), the first end of described First Transition bar (331) is fixedly connected with the first end of described second transiting rod (332), second end of described First Transition bar (331) is connected with described outer shaft (31) respectively with the second end of described second transiting rod (332), and described first link (4) is connected to the first end of described First Transition bar (331).
4. cable laying device according to claim 2, it is characterized in that, described interior rotating shaft (32) be provided with away from the one end being provided with described second link (5) stop lug (321) preventing described interior rotating shaft (32) from deviating from described outer shaft (31).
5. cable laying device according to claim 2, it is characterized in that, the axis of described interior rotating shaft (32) overlaps with the rotation axis of described first installation material, and the second end of described first link (4) and the second end of described second link (5) are all positioned on the rotation axis of described first installation material.
6. cable laying device according to claim 2, it is characterized in that, the axis of described interior rotating shaft (32) and the rotation axis of described first installation material have the first angle, and one in the second end of described first link (4) and the second end of described second link (5) is positioned on the rotation axis of described first installation material.
7. cable laying device according to claim 1, it is characterized in that, the axis of described interior rotating shaft (32) overlaps with the rotation axis of described first installation material, described first link (4) is at least two, described second link (5) is at least two, second end of each described first link (4) and the second end of each described second link (5) be not all on the rotation axis of described first installation material, the first end of each described first link (4) is all connected on described outer shaft (31), the first end of each described second link (5) is all connected on described interior rotating shaft (32), and be all positioned on the axis of described rotating shaft (32).
8. cable laying device according to any one of claim 1 to 7, is characterized in that, described first link (4) and described second link (5) include fixing frame, and described fixing frame comprises:
Cross connecting plate, described cross connecting plate is connected with the first installation material or the second installation material;
Vertical connecting plate, has the second angle between described vertical connecting plate and described cross connecting plate, and is connected with described interior rotating shaft (32) or described outer shaft (31).
9. cable laying device according to claim 8, it is characterized in that, described first link (4) and described second link (5) also comprise connecting rod or bridle line, and described connecting rod or bridle line are connected between described vertical connecting plate and described interior rotating shaft (32) or described outer shaft (31).
10. a wind power generating set, comprise wheel hub, be arranged on the blade (1) on described wheel hub and the cable (9) that is arranged in described blade (1) rotationally, it is characterized in that, also comprise cable laying device, the cable laying device of described cable laying device according to any one of claim 1 to 9, described first installation material is blade (1), described second installation material is wheel hub, and described cable (9) is along described first link (4) and described second link (5) cabling.
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| 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 |
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| Publication Number | Publication Date |
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| CN105508156A true CN105508156A (en) | 2016-04-20 |
| CN105508156B CN105508156B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511032735.3A Active CN105508156B (en) | 2015-12-31 | 2015-12-31 | Cable laying device and wind generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750280A (en) * | 2019-03-27 | 2020-10-09 | 香港中华煤气有限公司 | Detection device |
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| CN111750280A (en) * | 2019-03-27 | 2020-10-09 | 香港中华煤气有限公司 | Detection device |
| CN111750280B (en) * | 2019-03-27 | 2022-11-15 | 香港中华煤气有限公司 | Detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508156B (en) | 2018-12-14 |
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