CN220869570U

CN220869570U - Cable twisting protection device for wind generating set

Info

Publication number: CN220869570U
Application number: CN202322624941.XU
Authority: CN
Inventors: 汪宝珠; 潘飞; 邱欢; 金正祥; 王鹏飞; 王廷涛
Original assignee: China Three Gorges New Energy Group Co ltd Ningxia Branch; Three Gorges New Energy Hongsibao Power Generation Co ltd; China Three Gorges Renewables Group Co Ltd
Current assignee: China Three Gorges New Energy Group Co ltd Ningxia Branch; Three Gorges New Energy Hongsibao Power Generation Co ltd; China Three Gorges Renewables Group Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-30
Anticipated expiration: 2033-09-26

Abstract

The application provides a cable twisting protection device of a wind generating set, which relates to the field of cable twisting protection technology of wind generating sets, and comprises a cable fixing device and at least two connecting rods; the cable fixing device comprises an outer ring, an inner ring, a connecting bracket and a plurality of connecting components, wherein the inner ring is arranged in the outer ring and is connected with the outer ring through the connecting bracket; the inner ring encloses a first fixed cavity, the first fixed cavity is used for penetrating through each first cable, an installation cavity is formed between the inner ring and the outer ring, the connection bracket divides the installation cavity into a plurality of second fixed cavities, the connection components are arranged in the second fixed cavities in a one-to-one correspondence manner, and the second fixed cavities are used for penetrating through the second cables; through separately setting up different types of cable, the damage of colliding with of cable has furthest been avoided, and the influence degree that each cable receives friction in the cable of turning round can be solved again and different, the great problem of influence to the cable that intensity and toughness are lower.

Description

Cable twisting protection device for wind generating set

Technical Field

The application relates to a cable twisting protection technology of a wind generating set, in particular to a cable twisting protection device of a wind generating set.

Background

The wind generating set twisting cable refers to a flexible cable used for connecting a machine cabin and tower bottom equipment in a tower barrel, wherein the flexible cable comprises a power cable, a control cable, an optical fiber, a communication cable and the like. In order to enable the impeller to obtain the maximum wind energy, the wind generator needs to be aligned to the wind direction rapidly and stably, and in the wind yaw process of the fan, the cable can rotate along with the cabin, and torsion, winding and shaking to a certain extent exist. Although the multi-strand cables are twisted mutually to form a twisted cable so as to increase strength, in the yaw process of the fan, the fan inevitably collides with surrounding metal frameworks, mutual friction exists among the cables, the cable insulation layers are completely damaged for arc discharge in severe cases, and fire accidents are caused in severe cases.

In the related art, the wind power generation industry generally adopts the installation of a cable twisting protection device to limit collision and friction between cables and surrounding metal frameworks, and the cable twisting protection device is one of cable clamps and plays a role in fixing and protecting cables in a wind power generation set. The existing cable twisting protection devices mainly have two types: firstly, a method of installing a limiting ring is adopted, and a cable is limited in a limiting area, so that the cable is limited from shaking greatly; and secondly, a method of wrapping rubber on the cable is adopted, so that the cable inside is protected.

However, cables with different functions in the twisted cable have different strength and toughness, various cables are twisted together and are limited by the limiting ring to shake greatly, friction among the cables cannot be avoided, the friction influence degree of the cables is different, and the influence on the cables with lower strength and toughness is larger.

Disclosure of utility model

In view of the above, the application provides a cable twisting protection device for a wind generating set, which aims to solve the problem that the influence degree of friction on each cable in a twisted cable is different and the influence on the cable with lower strength and toughness is larger.

In order to achieve the above purpose, the application provides a cable twisting protection device for a wind generating set, which adopts the following technical scheme:

The application provides a cable twisting protection device of a wind generating set, which comprises a plurality of first cables and a plurality of second cables, wherein the cable twisting protection device of the wind generating set comprises: a cable fixing device and at least two connecting rods;

each connecting rod is used for being connected with the fan yaw platform;

The cable fixing device comprises an outer ring, an inner ring, a connecting bracket and a plurality of connecting assemblies, wherein the inner ring is arranged in the outer ring and is connected with the outer ring through the connecting bracket;

the inner ring encloses a first fixing cavity which is used for penetrating each first cable,

The inner ring and the outer ring form an installation cavity therebetween, the connection bracket divides the installation cavity into a plurality of second fixing cavities, the connection assemblies are arranged in the second fixing cavities in a one-to-one correspondence manner, and the second fixing cavities are used for penetrating through the second cables.

Through adopting above-mentioned technical scheme, when installing wind generating set's turn round cable, at first wear to establish at first fixed intracavity with first cable, then wear to establish the second cable at the fixed intracavity of second, cable fixing device is when firm turn round the cable, can distinguish categorised first cable and second cable to fix first cable and second cable respectively in corresponding restriction area, to first cable and the second cable that intensity and toughness are different, can effectively avoid each cable to receive the influence degree difference of friction and lead to the less cable of intensity and toughness to be fragile phenomenon.

In one possible implementation manner, the connecting assembly includes a connecting plate and two clamping plates, wherein both clamping plates are connected with the connecting plate, the connecting plate is connected with the outer side wall of the inner ring, and the two clamping plates and the connecting plate jointly form the second fixing cavity.

Here, coupling assembling can stabilize the second cable at the fixed intracavity of second, and coupling assembling includes connecting plate and two splint, and its structure is comparatively simple, can reduce wind generating set and turn round the cost of manufacture of cable protection device.

In one possible implementation manner, a plurality of arc grooves are arranged in the second fixing cavity, each arc groove is sequentially arranged, and the arc grooves enclose a limit ring matched with the outer side walls of the second cables after being mutually wound.

Here, adopt with second cable lateral wall assorted arc groove, have further spacing effect to the second cable, make the second cable wear to establish more firm in the fixed intracavity of second.

In one possible implementation, the connection assembly further includes a connection member through which the two clamping plates are connected.

Through adopting above-mentioned technical scheme, add the connecting piece on coupling assembling, when wearing to establish the second cable to the fixed intracavity of second, accessible open the connecting piece at first and relieve the connected state of two splint, treat wearing to establish the second cable after ending, reuse the connecting piece and connect two splint, easy and simple to handle and make the second cable more firm.

In one possible implementation, the inner side wall of the inner ring has a first buffer.

Here, first cable wears to establish at first fixed intracavity, and first cable can be unavoidable at the in-process of driftage of yaw platform and the inside wall of inner circle take place to rub to lead to the condition that damage appears in first cable, and first bolster then can effectually avoid because of the phenomenon that damages appear in first cable that the friction leads to, prolongs the life of first cable.

In one possible implementation manner, the cable twisting protection device of the wind generating set further comprises at least two sliding sleeves, the sliding sleeves are in one-to-one correspondence with the connecting rods, the sliding sleeves are sleeved on the connecting rods, the sliding sleeves slide relative to the connecting rods, and the outer sides of the outer rings are connected with the sliding sleeves.

Through adopting above-mentioned technical scheme, the sliding sleeve is connected with the outside of outer lane, can make cable fixing device follow the connecting rod and slide, at fan yaw platform's driftage in-process, turn round the cable and receive the power and divide into along axial force and axial force of perpendicular to, cable fixing device can follow the connecting rod and slide then can eliminate and turn round the axial force that the cable received, guaranteed that the cable can not take place transversely and longitudinal motion between cable and the cable protection device of turning round, the damage of colliding with of cable has been avoided to the maximum, further prolonged the life of cable.

In one possible implementation, the sliding sleeve is a linear sliding bearing, and the inner diameter of the linear sliding bearing is slightly smaller than the diameter of the connecting rod, so as to ensure that the linear sliding bearing is in stable sliding connection with the connecting rod.

By adopting the technical scheme, the linear sliding bearing has the characteristics of high precision, small friction resistance and corresponding rapidness, and can better correspond to the force born by the torsion cable, thereby protecting the safety of the torsion cable.

In one possible implementation manner, the cable twisting protection device of the wind generating set further comprises a limiting piece, and the limiting piece is connected with one end, away from the fan yaw platform, of each connecting rod.

Through adopting above-mentioned technical scheme, the locating part can play the too big effect of restriction cable fixing device travel distance, avoids leading to the condition of twisting the cable damage because of cable fixing device travel distance is too big.

In addition, the limiting piece can also play a role in stabilizing each connecting rod.

In one possible implementation manner, the limiting member is a limiting ring, and the limiting ring is coated with a second buffer member.

Through adopting above-mentioned technical scheme, the spacing ring can effectively utilize the interior limited space of fan yaw platform to play spacing effect simultaneously to cable fixing device.

In addition, the torsion cable below the cable fixing device can inevitably collide with the limiting ring in the yaw process of the yaw platform of the fan, and the limiting ring is coated with the second buffer piece, so that adverse effects of the collision friction generated by the torsion cable and the limiting ring on the torsion cable can be effectively relieved.

In one possible implementation, the second buffer is a wear-resistant cable jacket.

Through adopting above-mentioned technical scheme, the abrasionproof cable sheath has simple structure, with low costs, easy characteristics of installation, can make second bolster installation convenient and reduce cost of manufacture.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The cables with different strength and toughness in the twisted cables are separated and stabilized, and the phenomenon that the cables with lower strength and toughness are easily damaged due to different degrees of friction influence on the cables can be effectively avoided.

2. The arc-shaped groove matched with the outer side wall of the second cable is adopted in the connecting assembly, so that the second cable has a further limiting effect, and the second cable is arranged in the second fixing cavity in a penetrating mode to be firmer.

3. The sliding sleeve is connected with the outer side of the outer ring, so that the cable fixing device can slide along the connecting rod, the force born by the torsion cable can be divided into axial force and axial force perpendicular to the axial force in the yaw process of the yaw platform of the fan, the cable fixing device can slide along the connecting rod, the axial force born by the torsion cable can be eliminated, transverse and longitudinal movement between cables and between the cables and the torsion cable protecting device is avoided, collision damage of the cables is avoided to the greatest extent, and the service life of the cables is further prolonged.

Drawings

The following detailed description of the embodiments of the application is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the application is not limited to the embodiments described below.

Fig. 1 is a schematic structural diagram of a cable twisting protection device for a wind turbine generator system according to an embodiment of the present application;

FIG. 2 is a schematic view of the cable fixing device shown in FIG. 1;

fig. 3 is a schematic structural view of the cable fixing device and the twisted cable in fig. 1.

Reference numerals illustrate:

100. A first cable; 200. a second cable; 300. a cable fixing device; 310. an outer ring; 311. a second fixed cavity; 320. an inner ring; 321. a first fixed cavity; 330. a connecting bracket; 340. a connection assembly; 341. a connecting plate; 342. a clamping plate; 343. a connecting piece; 3431. a connecting block; 3432. a bolt; 350. a first buffer member; 400. a connecting rod; 500. a fan yaw platform; 600. a sliding sleeve; 700. a limiting piece; 710. and a second buffer member.

Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.

Further, it should be noted that, in the description of the present application, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or component must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.

A cable twisting protection device (TWISTED PAIR Protection Device, TPPD for short) of a wind generating set is a protection device for cables inside the wind generating set. Between the rotor and the tower of a wind power plant, a twisted cable connection is often required. Because the cable still needs to bear the influence of multiple factors such as friction, temperature when rotatory, consequently appear broken string, wearing and tearing, contact failure scheduling problem easily, influence the normal operating of equipment, increased maintenance cost, also brought great potential safety hazard simultaneously. The TPPD is designed to solve these problems, and can effectively protect the cable connection portion, reducing maintenance costs.

In order to solve the problems, related enterprises and research institutions conduct a great deal of research and exploration, and a technical scheme of the wind generating set cable twisting protection device is provided.

In the related art, the wind power generation industry generally adopts the installation of a cable twisting protection device to limit collision and friction between cables and surrounding metal frameworks, and the cable twisting protection device is one of cable clamps and plays a role in fixing and protecting cables in a wind power generation set. The existing cable twisting protection devices mainly have two types: firstly, a method of installing a limiting ring is adopted, and a cable is limited in a limiting area, so that the cable is limited from shaking greatly; and secondly, a method of wrapping rubber on the cable is adopted, so that the cable inside is protected. The stability and the protection performance of the cable line are effectively improved, the maintenance cost is reduced, and a powerful support is provided for the healthy and stable development of the wind power generation industry.

The application provides a cable twisting protection device for a wind generating set, which is used for solving the problem that the influence degree of friction on each cable in a twisted cable is different and the influence on the cable with lower strength and toughness is larger.

The application will now be described in detail with reference to the accompanying drawings and examples:

Fig. 1 is a schematic structural diagram of a cable twisting protection device for a wind turbine generator system according to an embodiment of the present application; fig. 2 is a schematic structural view of the cable fixing device in fig. 1, and fig. 3 is a schematic structural view of the cable fixing device and the torsion cable in fig. 1.

Referring to fig. 1, 2 and 3, a cable twisting protection device for a wind turbine generator system according to an embodiment of the present application is provided, wherein a twisting cable includes a plurality of first cables 100 and a plurality of second cables 200.

Specifically, the first cable 100 may be a communication cable, and the second cable 200 may be a power control cable, where the strength and toughness of the communication cable are lower than those of the power control cable.

The wind generating set turns round cable protection device includes: a cable fixture 300 and at least two links 400; each link 400 is configured to connect with a fan yaw deck 500; the cable fixture 300 includes an outer ring 310, an inner ring 320, a connection bracket 330, and a plurality of connection assemblies 340, the inner ring 320 being disposed inside the outer ring 310 and connected with the outer ring 310 through the connection bracket 330; the inner ring 320 encloses into a first fixed cavity 321, the first fixed cavity 321 is used for penetrating through each first cable 100, an installation cavity is formed between the inner ring 320 and the outer ring 310, the connection bracket 330 divides the installation cavity into a plurality of second fixed cavities 311, the connection assemblies 340 are arranged in the second fixed cavities 311 in a one-to-one correspondence manner, and the second fixed cavities 311 are used for penetrating through each second cable 200.

In the above embodiment, when the cable twisting of the wind generating set is installed, the first cable 100 is first inserted into the first fixing cavity 321, then the second cable 200 is inserted into the second fixing cavity 311, the cable fixing device 300 can separate the first cable 100 and the second cable 200 while fixing the cable twisting, and the first cable 100 and the second cable 200 are respectively fixed in the corresponding limiting areas, so that the phenomenon that the cables with lower strength and toughness are more easily damaged due to different friction influence degrees of the cables can be effectively avoided.

In addition, the staff can flexibly set the number of the second fixing cavities 311 according to the requirement, so that the applicability of the device is improved.

Alternatively, the number of the connecting rods 400 is three, and the three connecting rods 400 are positioned on the same circumference and are uniformly spaced

Here, the three links 400 may further improve the stability of the connection of the cable fixture 300 and the fan yaw platform 500 through the links 400 while taking into account the manufacturing costs.

In one possible embodiment, the connection assembly 340 includes a connection plate 341 and two clamping plates 342, both of the clamping plates 342 are connected to the connection plate 341, the connection plate 341 is connected to an outer sidewall of the inner ring 320, and the two clamping plates 342 and the connection plate 341 together form the second fixing chamber 311.

Here, the connection assembly 340 may fix the second cable 200 in the second fixing cavity 311, and the connection assembly 340 includes a connection plate 341 and two clamping plates 342, which has a simpler structure and can reduce the manufacturing cost of the cable twisting protection device of the wind turbine generator set.

Further, a plurality of arc grooves are arranged in the second fixing cavity 311, each arc groove is sequentially arranged, and the arc grooves form a limit ring matched with the outer side wall of the twist-shaped cable formed after the plurality of second cables 200 are mutually wound.

Here, the arc-shaped groove matched with the outer side wall of the second cable 200 is adopted, so that the second cable 200 has a further limiting effect, the second cable 200 is more firmly penetrated in the second fixing cavity 311, three-phase power control cables can be limited and wound together into a group by staff, and the limiting ring can be adapted to twist-shaped twisted cables formed after the three second cables 200 are mutually wound, so that the staff can distinguish and classify the twisted cables conveniently.

Further, the clamping plate 342 is provided with insulating foam on a sidewall adjacent to the second cable 200.

Here, the insulating foam may reduce friction between the second cable 200 and the inner sidewall of the clamping plate 342 on the one hand, and damage to the second cable 200 on the other hand, and may have a low manufacturing cost.

In one possible embodiment, the connection assembly 340 further includes a connection member 343, and the two clamping plates 342 are connected by the connection member 343.

Specifically, the connector 343 includes a connecting block 3431 disposed at one end of each clamping plate 342 adjacent to each other and a bolt 3432 disposed between two connecting blocks 3431 adjacent to each other, and the connecting blocks 3431 are provided with through holes for passing the bolts 3432.

Here, when the second cable 200 is inserted into the second fixing cavity 311, the connecting member 343 is added to the connecting assembly 340, the connecting state of the two clamping plates 342 can be released by unscrewing the bolts 3432, and after the second cable 200 is inserted, the two connecting blocks 3431 are connected by the bolts 3432 again, so that the operation is simple and the second cable 200 is more stable.

In one possible embodiment, the inner sidewall of the inner ring 320 has a first buffer 350.

Optionally, the first buffer 350 is a rubber ring.

Here, the first cable 100 is worn to be arranged in the first fixing cavity 321, and the first cable 100 is inevitably rubbed against the inner side wall of the inner ring 320 in the yaw process of the fan yaw platform 500, so that the first cable 100 is damaged, the rubber ring is softer, the damage of the first cable 100 caused by friction can be effectively avoided, and the service life of the first cable 100 is prolonged.

In one possible embodiment, the cable twisting protection device of the wind generating set further comprises at least two sliding sleeves 600, the sliding sleeves 600 are in one-to-one correspondence with the connecting rods 400, the sliding sleeves 600 are sleeved on the connecting rods 400, the sliding sleeves 600 slide relative to the connecting rods 400, and the outer sides of the outer rings 310 are connected with the sliding sleeves 600.

Optionally, the sliding sleeve 600 is a linear sliding bearing, and the inner diameter of the linear sliding bearing is slightly smaller than the diameter of the connecting rod 400, so as to ensure that the linear sliding bearing is in stable sliding connection with the connecting rod 400.

Here, the sliding sleeve 600 is connected with the outer side of the outer ring 310, so that the cable fixing device 300 can slide along the connecting rod 400, in the yaw process of the fan yaw platform 500, it can be known that the force applied to the twisted cable can be divided into axial force and axial force perpendicular to the axial force, and the cable fixing device 300 can slide along the connecting rod 400, so that the axial force applied to the twisted cable can be eliminated, the transverse and longitudinal movements between the cables and the twisted cable protection device are avoided, the collision damage of the cables is avoided to the greatest extent, and the service life of the cables is further prolonged.

In addition, the linear sliding bearing has the characteristics of high precision, small friction resistance and quick response, and can respond to the force born by the torsion cable well, so that the safety of the torsion cable is protected.

In one possible embodiment, the wind turbine generator set cable protection device further includes a stop 700, where the stop 700 is connected to an end of each link 400 facing away from the wind turbine yaw platform 500.

Optionally, the limiting member 700 is a limiting ring, and the limiting ring is coated with the second buffer 710.

Specifically, the second buffer 710 is a wear-resistant cable jacket.

Through adopting above-mentioned technical scheme, locating part 700 can play the too big effect of restriction cable fixing device 300 travel distance, avoids leading to the circumstances of twisting the cable damage because of cable fixing device 300 travel distance is too big, and the spacing ring can effectively utilize the limited space in the fan yaw platform 500 to play the limiting displacement to cable fixing device 300 simultaneously.

In addition, the torsion cable below the cable fixing device 300 can inevitably collide with the limiting ring in the yaw process of the fan yaw platform 500, and the limiting ring is coated with the second buffer 710, so that adverse effects of the collision friction generated by the torsion cable and the limiting ring on the torsion cable can be effectively reduced. The anti-wear cable sheath has the characteristics of simple structure, low cost and easy installation, and can facilitate the installation of the second buffer 710 and reduce the manufacturing cost.

The implementation principle of the cable twisting protection device of the wind generating set provided by the embodiment of the application is as follows: a connecting rod 400 and a cable fixing device 300 are additionally arranged below the fan yaw platform 500, communication cables and power control cables in the torsion cable are separately fixed on the cable fixing device 300, communication cables with lower strength and toughness are arranged in the inner ring 320, and power control cables with higher strength and toughness are arranged in the second fixing cavity 311; when fan yaw platform 500 is in the yaw process, turn round the cable and can follow the linear sliding bearing up-and-down motion who is connected with cable fixing device 300, realize effectively restricting the swing by a wide margin of turning round the cable, can guarantee not take place transversely and vertically between the cable and between cable and the cable protector, the damage of colliding with of cable has been avoided to the maximum degree, further prolonged the life of cable, can solve again that the influence degree that each cable receives friction in the cable is different, the influence great problem to the cable that intensity and toughness are lower.

Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein.

This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The utility model provides a wind generating set turns round cable protection device, turns round cable and includes a plurality of first cables and a plurality of second cable, its characterized in that, wind generating set turns round cable protection device includes: a cable fixing device and at least two connecting rods;

each connecting rod is used for being connected with the fan yaw platform;

The inner ring encloses a first fixing cavity, and the first fixing cavity is used for penetrating each first cable;

2. The wind generating set cable protector as set forth in claim 1, wherein said connection assembly comprises a connection plate and two clamping plates, both of said clamping plates being connected to said connection plate, said connection plate being connected to an outer sidewall of said inner ring, both of said clamping plates and said connection plate together forming said second fixing cavity.

3. The cable twisting protection device of a wind generating set according to claim 2, wherein a plurality of arc-shaped grooves are arranged in the second fixing cavity, each arc-shaped groove is sequentially arranged, and the arc-shaped grooves enclose a limit ring matched with the outer side walls of a plurality of second cables after being mutually wound.

4. The wind turbine cable twist protection apparatus according to claim 2, wherein said connection assembly further comprises a connector through which two of said clamping plates are connected.

5. A wind generating set cable protection device as claimed in claim 3, wherein the inner side wall of the inner ring has a first buffer.

6. The cable twisting protection device of a wind generating set according to claim 1, further comprising at least two sliding sleeves, wherein the sliding sleeves are in one-to-one correspondence with the connecting rods, the sliding sleeves are sleeved on the connecting rods, the sliding sleeves slide relative to the connecting rods, and the outer sides of the outer rings are connected with the sliding sleeves.

7. The wind turbine generator system cable protector of claim 6, wherein the sliding sleeve is a linear sliding bearing, and the inner diameter of the linear sliding bearing is smaller than the diameter of the connecting rod, so as to ensure that the linear sliding bearing is in stable sliding connection with the connecting rod.

8. The wind turbine generator system cable guard of any one of claims 1 to 7, further comprising a stop member connected to an end of each of the links facing away from the fan yaw platform.

9. The cable twisting protection device of a wind generating set according to claim 8, wherein the limiting piece is a limiting ring, and the limiting ring is coated with a second buffer piece.

10. The wind turbine generator system cable twist protection apparatus of claim 9, wherein the second buffer is a wear resistant cable sheath.