CN110397564B - Cable twisting protection device of wind generating set - Google Patents
Cable twisting protection device of wind generating set Download PDFInfo
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- CN110397564B CN110397564B CN201910748637.1A CN201910748637A CN110397564B CN 110397564 B CN110397564 B CN 110397564B CN 201910748637 A CN201910748637 A CN 201910748637A CN 110397564 B CN110397564 B CN 110397564B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/82—Arrangement of components within nacelles or towers of electrical components
- F03D80/85—Cabling
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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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Abstract
The invention discloses a cable twisting protection device for a wind generating set. The device is used for the inside cable of turning round of a tower section of thick bamboo of protection wind generating set, includes: the cable clamp comprises a cable bracket, a first cable clamp and a second cable clamp; the cable support is arranged at the lower part of the tower barrel and used for carrying the twisted cable and enabling the twisted cable to downwards penetrate out of the tower barrel along the inner wall of the tower barrel; the first cable clamp is arranged on a platform plate of the tower barrel at the lower part of the tower barrel and used for clamping the twisted cable and driving the twisted cable to move up and down along the axial direction of the tower barrel; the second cable clamp is a plurality of, and a plurality of second cable clamp interval is installed on a plurality of tower section of thick bamboo landing slab between first cable clamp and tower section of thick bamboo top, and the second cable clamp is used for the centre gripping to turn round the cable and drives to turn round the cable along tower section of thick bamboo axial rotation and up-and-down motion. The wind generating set cable twisting protection device can ensure the twisting uniformity of the twisted cable in the tower barrel in the yaw process of the nacelle, and avoid the problem of premature damage of the twisted cable caused by uneven rotation of each section of twisted cable.
Description
Technical Field
The invention relates to the technical field of wind generating sets, in particular to a cable twisting protection device of a wind generating set.
Background
Currently, wind energy is the fastest-developing clean energy among renewable energy sources, and the wind energy is mainly utilized through a wind generating set, and wind power generation is taken as an environment-friendly energy industry, so that the wind generating set is more and more emphasized in modern energy-deficient society, and the investment on the wind generating set is also more and more increased. The wind driven generator mainly comprises an impeller, a cabin, a tower, a control system, a yaw system, a hydraulic system, wind condition acquisition equipment and a power supply device, after the wind driven generator generates electricity, the electric energy is transmitted to a ground transformer from the cabin through a cable (a torsion-resistant flexible cable, for short, a twisted cable) laid inside the tower, and then the electric energy is transmitted to a power grid through a booster station, and the number of the cables is increased along with the increase of the power level of the wind driven generator set.
In the power generation process of the wind generating set, a yaw system needs to perform yaw adjustment according to the wind direction condition so as to ensure that the wind generating set has higher wind energy utilization rate. In a large wind generating set, a cabin is installed on the upper portion of a tower barrel and is usually located 80-90 meters away from the ground, when the wind direction changes, the cabin yaws along the wind direction under the control of a yaw system, at the moment, a cable from a generator to the interior of the tower barrel can also rotate along with the rotation of the cabin, when the torsion exceeds the cable bearable torsion range, the cable can be broken, and therefore the wind generating set cannot continue to work due to the fact that safety accidents occur to equipment, and due to the fact that the cable is located in the center of the tower barrel, the replacement process of the cable is quite complex.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a wind generating set twisted cable protection device.
Therefore, the invention discloses a cable twisting protection device for a wind generating set, which is used for protecting a twisted cable in a tower of the wind generating set, and comprises the following components: the cable clamp comprises a cable bracket, a first cable clamp and a second cable clamp;
the cable support is mounted at the lower part of the tower barrel and used for carrying the twisted cable and enabling the twisted cable to downwards penetrate out of the tower barrel along the inner wall of the tower barrel;
the first cable clamp is arranged on a tower drum platform plate at the lower part of the tower drum and used for clamping the twisted cable and driving the twisted cable to move up and down along the axial direction of the tower drum;
the second cable clamp is a plurality of, and a plurality of the second cable clamp interval is installed first cable clamp with on a plurality of tower section of thick bamboo landing slab between the tower section of thick bamboo top, the second cable clamp is used for the centre gripping turn round the cable and drive turn round the cable and follow tower section of thick bamboo axial rotation and up-and-down motion.
Further, in the wind generating set cable twisting protection device, the cable support is of a saddle-shaped structure, and two side ends of the cable support are provided with baffles.
Further, in the wind generating set twisting protection device, the first cable clamp comprises a first shell, a first cylinder and a first fixing clamp;
the first shell is a hollow cylindrical structure and is fixedly arranged on the tower platform plate;
the first cylinder is of a hollow cylindrical structure, the first cylinder is arranged in the first shell, an outer ring of the first cylinder is in sliding fit with an inner ring of the first shell, and the first cylinder can slide up and down along the axial direction of the first shell;
first fixation clamp is a plurality of, and is a plurality of first fixation clamp is installed first barrel inner circle and edge the circumference evenly distributed of first barrel, first fixation clamp is used for the fixed centre gripping turn round the cable.
Further, in the wind generating set cable twisting protection device, an inner ring of the first shell is provided with an internal spline, an outer ring of the first barrel is provided with an external spline matched with the internal spline, and the external spline is matched and connected with the internal spline.
Further, in the wind generating set cable twisting protection device, the first fixing clamp is of a split structure and comprises a first clamping section and a second clamping section, the first clamping section and the second clamping section are detachably connected into a whole through bolts and are detachably mounted on the inner ring of the first barrel through bolts, and a cable clamping cavity is formed between two opposite ends of the first clamping section and the second clamping section.
Furthermore, in the wind generating set cable twisting protection device, a plurality of second cable clamps are installed on a plurality of tower drum platform plates between the first cable clamp and the top end of the tower drum at equal intervals.
Further, in the wind generating set twisting protection device, the second cable clamp comprises a second shell, a second cylinder, a transmission part and a second fixing clamp;
the second shell is of a hollow cylindrical structure and is fixedly arranged on the tower platform plate;
the second cylinder is of a hollow cylindrical structure and is arranged in the second shell, the outer ring of the second cylinder is connected with the inner ring of the second shell in a matched manner through the transmission piece, and the second cylinder can rotate and move up and down along the axial direction of the first shell;
the second fixing clamps are multiple and are arranged on the inner ring of the second cylinder body and are uniformly distributed along the circumferential direction of the second cylinder body, and the second fixing clamps are used for fixing and clamping the twisted cables.
Further, among the wind generating set protection device that twists reverse cable, the second barrel outer lane is provided with outer spiral groove, second casing inner circle be provided with outer spiral groove looks adaptation's inner spiral groove, the driving medium includes a plurality of balls, and is a plurality of the ball is installed outer spiral groove with between the inner spiral groove.
Further, in the wind generating set cable twisting protection device, the second fixing clamp is of a split structure and comprises a first fixing section and a second fixing section, the first fixing section and the second fixing section are detachably connected into a whole through bolts and are detachably mounted on the inner ring of the second cylinder through bolts, and a cable clamping cavity is formed between two opposite ends of the first fixing section and the second fixing section.
The technical scheme of the invention has the following main advantages:
according to the wind generating set cable twisting protection device, the first cable clamp and the second cable clamp are arranged, so that the twisting uniformity of a twisted cable in a tower barrel in the yaw process of a cabin can be guaranteed, the problem of premature damage of the twisted cable due to uneven rotation of each twisted cable section is avoided, the shaking of the twisted cable can be reduced, all external influences of the twisted cable in the operation process of the whole machine are reduced to the minimum, the service life of the twisted cable is effectively prolonged, the structure is simple, and the device is convenient to disassemble and assemble.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a twisted cable protection device of a wind generating set according to an embodiment of the invention;
FIG. 2 is a schematic view of a first cable clamp according to one embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a schematic view of a second cable clamp according to one embodiment of the present invention;
FIG. 6 is a top view of FIG. 5;
fig. 7 is an enlarged view of the region B in fig. 6.
Description of reference numerals:
1-cable support, 2-first cable clamp, 21-first shell, 211-first supporting plate, 22-first barrel, 23-first fixing clamp, 231-first clamping section, 232-second clamping section, 3-second cable clamp, 31-second shell, 311-second supporting plate, 32-second barrel, 33-transmission piece, 34-second fixing clamp, 341-first fixing section, 342-second fixing section, L-twisted cable, T-tower and T1-platform plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
Among the current wind generating set, a plurality of tower section of thick bamboo landing slabs have set gradually along tower section of thick bamboo axial inside a tower section of thick bamboo, the cable of turning round that simultaneously makes things convenient for tower section of thick bamboo inside passes a tower section of thick bamboo, all be provided with the through-hole on the tower section of thick bamboo inside tower section of thick bamboo landing slab, the cable of turning round that the generator that is located the cabin on tower section of thick bamboo upper portion is connected loops through the through-hole of each tower section of thick bamboo landing slab and wears out a tower section of thick bamboo, nevertheless when the wind direction changes, the cabin drifts along with the wind direction under yaw system control, the generator also can rotate along with the rotation in cabin to the cable.
As shown in fig. 1, in order to avoid that the twisted cable L is broken during the yaw of the nacelle, an embodiment of the present invention provides a twisted cable protection device for a wind turbine generator system, the twisted cable protection device is used for protecting the twisted cable L inside a tower T of the wind turbine generator system, and the twisted cable protection device includes: the cable clamp comprises a cable bracket 1, a first cable clamp 2 and a second cable clamp 3; the cable support 1 is installed at the lower part of the tower tube T and used for carrying the twisted cable L and enabling the twisted cable L to downwards penetrate out of the tower tube T along the inner wall of the tower tube T; the first cable clamp 2 is arranged on a tower drum platform plate T1 at the lower part of the tower drum T, and the first cable clamp 2 is used for clamping the twisted cable L and driving the twisted cable L to move up and down along the axial direction of the tower drum T; the second cable clamp 3 is a plurality of, and a plurality of second cable clamp 3 interval is installed on a plurality of tower section of thick bamboo platform board T1 between first cable clamp 2 and tower section of thick bamboo T top, and second cable clamp 3 is used for the centre gripping to turn round cable L and drives to turn round cable L along tower section of thick bamboo T axial rotation and up-and-down motion.
The number of the second cable clamps 3 may be determined according to the height of the tower T and the number of the tower platform boards T1 inside the tower T.
When the wind generating set twisting cable protection device provided by the embodiment of the invention is used, when a nacelle deflects along with the wind direction under the control of a yaw system, a twisting cable L rotates and moves up and down along with the yaw of the nacelle, at the moment, because the twisting cable L in a tower T is fixedly clamped by a first cable clamp 2 and a second cable clamp 3, the rotation and the up-and-down movement of the twisting cable L can be adjusted through the up-and-down movement of the first cable clamp 2 and the rotation and the up-and-down movement of the second cable clamp 3, and the uniform rotation of the twisting cable L can be ensured through a plurality of second cable clamps 3 arranged between the first cable clamp 2 and the top end of the tower T; simultaneously because first cable clamp 2 only can realize turning round the up-and-down motion of cable L, first cable clamp 2 can retrain the rotation of turning round cable L that is located tower section of thick bamboo T bottom, avoids turning round the transmission of turning round cable L outside tower section of thick bamboo T.
Therefore, the wind generating set cable twisting protection device provided by the embodiment of the invention can ensure the twisting uniformity of the twisted cable L in the tower T in the yaw process of the nacelle through the arrangement of the first cable clamp 2 and the second cable clamp 3, avoid the problem of premature damage of the twisted cable L caused by uneven rotation of each section of twisted cable L, reduce the shaking of the twisted cable L, minimize all external influences of the twisted cable L in the running process of the whole machine, effectively prolong the service life of the twisted cable L, and has the advantages of simple structure and convenient disassembly and assembly.
In order to ensure that the twisted cable L cannot be broken in the yaw process of the nacelle, the length of the twisted cable L in the tower T needs to be greater than the height of the tower T; in order to facilitate carrying of the twisted cable L, in the embodiment of the invention, the cable support 1 can be in a saddle-shaped structure, and two side ends of the cable support 1 are provided with baffles; so set up, can be convenient for carry on turn round cable L, can avoid turning round cable L again and drop.
Further, because the twisted cable L can rotate and move up and down during the yawing process of the nacelle, the twisted cable L between the cable holder 1 and the first cable clamp 2 sags in an arc shape in order to reduce the abrasion between the twisted cable L and the cable holder 1.
As described above, the first cable clamp 2 is used for clamping the twisted cable L and driving the twisted cable L to move up and down along the axial direction of the tower tube T; specifically, how the first cable clamp 2 clamps the twisted cable L and drives the twisted cable L to move up and down along the axial direction of the tower T is exemplified below.
As shown in fig. 2 and 3, as an example, the first cable clamp 2 may include a first housing 21, a first barrel 22, and a first fixing clamp 23; the first shell 21 is a hollow cylindrical structure, and the first shell 21 is fixedly installed on a tower platform board T1; the first cylinder 22 is a hollow cylindrical structure, the first cylinder 22 is installed in the first housing 21, an outer ring of the first cylinder 22 is in sliding fit with an inner ring of the first housing 21, and the first cylinder 22 can slide up and down along the axial direction of the first housing 21; first fixation clamp 23 is a plurality of, and a plurality of first fixation clamps 23 are installed at first barrel 22 inner circle and are followed the circumference evenly distributed of first barrel 22, and first fixation clamp 23 is used for the fixed centre gripping to turn round cable L.
With the arrangement, the first fixing clamp 23 arranged on the inner ring of the first cylinder 22 can fix the twisted cable L, and the relative sliding between the first cylinder 22 and the first shell 21 drives the twisted cable L to move up and down along the axial direction of the tower T; and the twisted cable L is clamped by a plurality of first fixing clamps 23 arranged at the inner ring of the first cylinder 22, so that the twisted cable L can be prevented from being twisted together to generate abrasion in the twisting process.
Preferably, each first fixing clip 23 may clamp three twisted cables L.
In order to facilitate the detachment and installation of the first casing 21, in the embodiment of the present invention, the outer side wall of the first casing 21 may be provided with a first supporting plate 211, the first supporting plate 211 may be a ring-shaped plate, the first supporting plate 211 may be fixed outside the first casing 21 by a welding method or an integral processing method, and the periphery of the first supporting plate 211 may be provided with a plurality of bolt holes uniformly distributed along the circumferential direction so as to be detachably installed on the tower platform plate T1 by bolts.
In order to enable the first cylinder 22 to slide up and down along the axial direction of the first housing 21 and ensure the stability of the movement between the first cylinder 22 and the first housing 21, in the embodiment of the invention, an inner ring of the first housing 21 is provided with an inner spline, an outer ring of the first cylinder 22 is provided with an outer spline matched with the inner spline, and the outer spline is matched and connected with the inner spline; so set up, through the cooperation of external splines and internal spline, can make first barrel 22 can follow the axial up-and-down motion of first casing 21, can retrain the rotary motion of first barrel 22 again, avoid turning round the torsion part of cable L tower section of thick bamboo T bottom of appearing.
As shown in fig. 4, in the embodiment of the present invention, in order to facilitate clamping of the twisted cable L, the first fixing clip 23 is a split structure, the first fixing clip 23 includes a first clamping section 231 and a second clamping section 232, the first clamping section 231 and the second clamping section 232 are detachably connected into a whole through a bolt, and are detachably mounted on an inner ring of the first barrel 22 through a bolt, and a cable clamping cavity is formed between two opposite ends of the first clamping section 231 and the second clamping section 232.
The size of the wire clamping cavity can be set according to the number of the twisted cables L required to be clamped by each first fixing clamp 23.
In the embodiment of the present invention, in order to ensure the stable connection between the first clamping section 231 and the second clamping section 232, the first clamping section 231, the second clamping section 232 and the first cylinder 22 are conveniently mounted; through holes are formed in the two ends of the first clamping section 231 and the second clamping section 232, and bolt holes corresponding to the through holes are formed in the inner wall of the first cylinder 22; so set up, when needs use first fixation clamp 23 centre gripping to turn round cable L, make the screw thread end of bolt pass first clamping section 231 and second clamping section 232's through-hole in proper order earlier, twist the bolt again on first barrel 22, can realize first clamping section 231, second clamping section 232 and first barrel 22's fixed connection.
Further, in order to ensure that the twisted cable L between the two second cable clamps 3 is uniformly stressed and prevent the problem of premature damage caused by uneven rotation of each twisted cable L, in the embodiment of the present invention, a plurality of second cable clamps 3 are mounted on a plurality of tower platform boards T1 between the first cable clamp 2 and the top end of the tower T at equal intervals.
As described above, the second cable clamp 3 is used for clamping the twisted cable L and driving the twisted cable L to rotate and move up and down along the axial direction of the tower tube T; specifically, how the second cable clamp 3 clamps the twisted cable L and drives the twisted cable L to rotate and move up and down along the axial direction of the tower T is exemplified below.
As shown in fig. 5 and 6, as an example, the second cable clamp 3 may include a second housing 31, a second cylinder 32, a transmission member 33, and a second fixing clamp 34; the second shell 31 is a hollow cylindrical structure, and the second shell 31 is fixedly mounted on the tower platform plate T1; the second cylinder 32 is a hollow cylindrical structure, the second cylinder 32 is installed in the second housing 31, the outer ring of the second cylinder 32 is connected with the inner ring of the second housing 31 through a transmission member 33 in a matching manner, and the second cylinder 32 can rotate and move up and down along the axial direction of the first housing 21; the second fixing clips 34 are multiple, the second fixing clips 34 are mounted on the inner ring of the second cylinder 32 and are evenly distributed along the circumferential direction of the second cylinder 32, and the second fixing clips 34 are used for fixing and clamping the twisted cable L.
With the arrangement, the second fixing clamp 34 arranged on the inner ring of the second cylinder 32 can be used for fixing the twisted cable L, and the relative motion between the second cylinder 32 and the second shell 31 can be used for driving the twisted cable L to rotate and move up and down along the axial direction of the tower T; and the twisted cable L is clamped by a plurality of second fixing clamps 34 arranged at the inner ring of the second cylinder 32, so that the twisted cable L can be prevented from being twisted together to generate abrasion in the twisting process.
Correspondingly, the number of the second fixing clips 34 is the same as that of the first fixing clips 23, and the number of the twisted cables L clamped by each second fixing clip 34 is also the same as that of the first fixing clips 23.
In order to facilitate the detachment and installation of the second casing 31, in the embodiment of the present invention, a second supporting plate 311 may be disposed on an outer side wall of the second casing 31, the second supporting plate 311 may be an annular plate, the second supporting plate 311 may be fixed on an outer side of the second casing 31 by a welding method or an integral machining method, and a plurality of bolt holes uniformly distributed may be circumferentially disposed around the second supporting plate 311 so as to be detachably installed on the tower platform plate T1 by bolts.
In order to enable the second cylinder 32 to rotate and move up and down along the axial direction of the second housing 31 and ensure the smooth movement between the second cylinder 32 and the second housing 31, in the embodiment of the invention, an outer ring of the second cylinder 32 is provided with an outer spiral groove, an inner ring of the second housing 31 is provided with an inner spiral groove matched with the outer spiral groove, and the transmission member 33 comprises a plurality of balls which are arranged between the outer spiral groove and the inner spiral groove; with such an arrangement, the second cylinder 32 can perform synchronous rotational movement and up-and-down movement along the axial direction of the second housing 31 through the matching of the outer spiral groove, the inner spiral groove and the balls; and the shaking of the twisted cable L can be transmitted to the second housing 31 through the balls.
The proportional relationship between the rotation angle of the rotation movement of the second cylinder 32 and the movement displacement of the up-and-down movement can be realized by adjusting the structures of the outer spiral groove and the inner spiral groove.
As shown in fig. 7, in the embodiment of the present invention, in order to facilitate clamping of the twisted cable L, the second fixing clip 34 is a detachable structure, the second fixing clip 34 includes a first fixing section 341 and a second fixing section 342, the first fixing section 341 and the second fixing section 342 are detachably connected into a whole by a bolt and are detachably mounted on an inner ring of the second cylinder 32 by a bolt, and a cable clamping cavity is formed between two opposite ends of the first fixing section 341 and the second fixing section 342.
The size of the wire clamping cavity is set according to the number of the twisted cables L required to be clamped by each second fixing clamp 34.
In the embodiment of the present invention, in order to ensure the stable connection between the first fixed section 341 and the second fixed section 342, the first fixed section 341 and the second fixed section 342 are conveniently installed on the second cylinder 32; through holes are formed in the two ends of the first fixing section 341 and the second fixing section 342, and bolt holes corresponding to the through holes are formed in the inner wall of the second cylinder 32; with such an arrangement, when the second fixing clip 34 is required to clamp the twisted cable L, the threaded end of the bolt sequentially passes through the through holes of the first fixing section 341 and the second fixing section 342, and then the bolt is screwed on the second cylinder 32, so that the first fixing section 341, the second fixing section 342 and the second cylinder 32 can be fixedly connected.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A wind generating set twists cable protection device characterized in that, it is used for the inside cable (L) of twisting of a tower section of thick bamboo (T) of protection wind generating set to turn round cable protection device, includes: the cable clamp comprises a cable bracket (1), a first cable clamp (2) and a second cable clamp (3);
the cable support (1) is mounted at the lower part of the tower cylinder (T) and used for carrying the twisted cable (L) and enabling the twisted cable (L) to downwards penetrate out of the tower cylinder (T) along the inner wall of the tower cylinder (T);
the first cable clamp (2) is arranged, the first cable clamp (2) is mounted on a tower drum platform plate (T1) at the lower part of the tower drum (T), and the first cable clamp (2) is used for clamping the twisted cable (L) and driving the twisted cable (L) to move up and down along the axial direction of the tower drum (T);
the number of the second cable clamps (3) is multiple, the second cable clamps (3) are mounted on a plurality of tower drum platform plates (T1) between the first cable clamp (2) and the top end of the tower drum (T) at intervals, and the second cable clamps (3) are used for clamping the twisted cable (L) and driving the twisted cable (L) to axially rotate and move up and down along the tower drum (T);
the first cable clamp (2) comprises a first shell (21), a first cylinder (22) and a first fixing clamp (23); the first shell (21) is a hollow cylindrical structure, and the first shell (21) is fixedly installed on the tower platform plate (T1); the first cylinder (22) is of a hollow cylindrical structure, the first cylinder (22) is installed in the first shell (21), the outer ring of the first cylinder (22) is in sliding fit with the inner ring of the first shell (21), and the first cylinder (22) can slide up and down along the axial direction of the first shell (21); the number of the first fixing clamps (23) is multiple, the multiple first fixing clamps (23) are arranged on the inner ring of the first cylinder (22) and are uniformly distributed along the circumferential direction of the first cylinder (22), and the first fixing clamps (23) are used for fixedly clamping the twisted cable (L);
the second cable clamps (3) are arranged on the tower platform plates (T1) between the first cable clamp (2) and the top end of the tower (T) at equal intervals;
the second cable clamp (3) comprises a second shell (31), a second cylinder (32), a transmission piece (33) and a second fixing clamp (34); the second shell (31) is a hollow cylindrical structure, and the second shell (31) is fixedly installed on the tower platform plate (T1); the second cylinder (32) is of a hollow cylindrical structure, the second cylinder (32) is installed in the second shell (31), the outer ring of the second cylinder (32) is connected with the inner ring of the second shell (31) in a matched mode through the transmission piece (33), and the second cylinder (32) can rotate and move up and down along the axial direction of the first shell (31); the number of the second fixing clamps (34) is multiple, the second fixing clamps (34) are arranged on the inner ring of the second cylinder (32) and are uniformly distributed along the circumferential direction of the second cylinder (32), and the second fixing clamps (34) are used for fixedly clamping the twisted cable (L);
the second barrel (32) outer lane is provided with outer spiral groove, second casing (31) inner circle be provided with outer spiral groove looks adaptation's inner spiral groove, driving medium (33) include a plurality of balls, and are a plurality of the ball is installed outer spiral groove with between the inner spiral groove.
2. The twisting protection device for the wind generating set according to claim 1, wherein the cable support (1) is of a saddle-shaped structure, and baffles are arranged at both side ends of the cable support (1).
3. The wind generating set twisting cable protection device according to claim 1, wherein the inner ring of the first shell (21) is provided with an internal spline, the outer ring of the first cylinder (22) is provided with an external spline matched with the internal spline, and the external spline is matched and connected with the internal spline.
4. The wind generating set twisting cable protection device according to claim 1, wherein the first fixing clip (23) is of a split structure, the first fixing clip (23) comprises a first clamping section (231) and a second clamping section (232), the first clamping section (231) and the second clamping section (232) are detachably connected into a whole through a bolt and are detachably mounted on an inner ring of the first barrel (22) through a bolt, and a cable clamping cavity is formed between two opposite ends of the first clamping section (231) and the second clamping section (232).
5. The twisting cable protection device of the wind generating set according to claim 1, wherein the second fixing clip (34) is of a split structure, the second fixing clip (34) comprises a first fixing section (341) and a second fixing section (342), the first fixing section (341) and the second fixing section (342) are detachably connected into a whole through a bolt and are detachably mounted on an inner ring of the second cylinder (32) through a bolt, and a cable clamping cavity is formed between two opposite ends of the first fixing section (341) and the second fixing section (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748637.1A CN110397564B (en) | 2019-08-14 | 2019-08-14 | Cable twisting protection device of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748637.1A CN110397564B (en) | 2019-08-14 | 2019-08-14 | Cable twisting protection device of wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110397564A CN110397564A (en) | 2019-11-01 |
| CN110397564B true CN110397564B (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910748637.1A Active CN110397564B (en) | 2019-08-14 | 2019-08-14 | Cable twisting protection device of wind generating set |
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| CN113623154B (en) * | 2021-08-27 | 2023-05-23 | 上海电气风电集团股份有限公司 | Fan cable twisting device and fan |
| CN114914863B (en) * | 2021-11-02 | 2024-05-14 | 北京三力新能电气设备有限公司 | Cable suspension and limiting device and wind generating set |
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| CN207315580U (en) * | 2017-04-20 | 2018-05-04 | 新昌县澄潭镇澄设机械厂 | A kind of wind-powered electricity generation power generation column cable fixture |
| CN207989239U (en) * | 2018-02-26 | 2018-10-19 | 南京风电科技有限公司 | A kind of roller yaw system torsion cable protection device |
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| WO2011114423A1 (en) * | 2010-03-15 | 2011-09-22 | 三菱重工業株式会社 | Wind power generator and cable support structure for use in same |
| CN104775993A (en) * | 2015-04-08 | 2015-07-15 | 浙江运达风电股份有限公司 | Novel cable protection system for twisted cable for wind electricity |
| CN105281279A (en) * | 2015-11-13 | 2016-01-27 | 北京金风科创风电设备有限公司 | Cable protection device and wind generating set |
| CN205117629U (en) * | 2015-11-23 | 2016-03-30 | 中船重工(重庆)海装风电设备有限公司 | Wind generating set who takes limit function turns round cable protection device |
| CN205243735U (en) * | 2015-12-23 | 2016-05-18 | 北京金风科创风电设备有限公司 | Wind generating set's cable protection device |
| CN205944959U (en) * | 2016-08-24 | 2017-02-08 | 北京金风科创风电设备有限公司 | Turn round cable protection device and wind generating set |
| CN106816840B (en) * | 2017-03-28 | 2018-08-14 | 北京金风科创风电设备有限公司 | Cable twisting protection device, use method of cable twisting protection device and wind generating set |
| CN206640223U (en) * | 2017-03-28 | 2017-11-14 | 北京金风科创风电设备有限公司 | Turn round cable protection device and wind power generating set |
| CN108757352B (en) * | 2018-05-22 | 2019-10-15 | 江苏金风科技有限公司 | Cable protecting device and wind power generating set |
| CN208900296U (en) * | 2018-08-16 | 2019-05-24 | 远景能源（江苏）有限公司 | Blower turns round cable saddle device |
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| CN207989239U (en) * | 2018-02-26 | 2018-10-19 | 南京风电科技有限公司 | A kind of roller yaw system torsion cable protection device |
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