CN209976702U - Cable guiding device of wind generating set - Google Patents

Abstract

The utility model discloses a cable guiding device of a wind generating set, which comprises a guide ring, wherein the middle part of the guide ring is provided with a plurality of guide holes, and cable fastening devices are arranged in the guide holes; the cable fastening device is composed of a plurality of fastening units, the fastening units are connected with one another through a first spring, each fastening unit comprises a fastening shell, a plurality of first ball grooves are formed in the outer surface of the fastening shell, first rolling balls are arranged in the first ball grooves, and the first rolling balls are in contact with the inner wall of the guide hole; the utility model discloses a pass the cable hole with the cable then under the effect of second spring, the arc pad extrudees the cable surface to fix the cable, go up the cable and need take place the up-and-down motion or rotatory messenger, roll at the guiding hole inner wall through first roll ball and second roll ball, thereby realize no matter how the cable moves, all not with other object contact, thereby avoid the occurence of failure of crust wearing and tearing.

Description

Cable guiding device of wind generating set

Technical Field

The utility model relates to a wind generating set field, more specifically say, relate to a wind generating set cable guider.

Background

The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like;

in recent years, the wind power large motor in the new energy industry is widely valued by governments of various countries, so that the development is rapid, and the current wind generating set adopts a yawing and cable releasing system when dealing with randomly changing wind directions; when the wind direction deflects by a certain angle, the fan correspondingly deflects by the same angle to just face the wind direction, cables positioned at the connecting part of the engine room and the tower are repeatedly twisted by the rotary engine room for a long time, friction is continuously generated between the cables, and the sheath of the cables is damaged for a long time.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Can constantly produce the friction between the cable to existence among the prior art, can damage the problem of sheath for a long time, the utility model aims to provide a wind generating set cable guider, it can realize avoiding producing the friction between the cable.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The cable guide device of the wind generating set comprises a guide ring, wherein a plurality of guide holes are formed in the middle of the guide ring, and a cable fastening device is arranged in each guide hole.

Preferably, the cable fastening device comprises a plurality of fastening units, the fastening units are connected with each other through a first spring, each fastening unit comprises a fastening shell, a plurality of first ball grooves are formed in the outer surface of the fastening shell, first rolling balls are arranged in the first ball grooves, and the first rolling balls are in contact with the inner wall of the guide hole.

Preferably, the fastening shell is provided with a cable hole in the middle, a cable penetrates through the cable hole, the fastening shell is provided with a fastening hole between the first spherical grooves, a connecting rod is arranged in the fastening hole, one end of the connecting rod is connected and located in the cable hole and provided with an arc-shaped pad, the other end of the connecting rod is provided with a second spherical groove, a second rolling ball is arranged in the second spherical groove and is in contact with the inner wall of the guide hole, and a second spring is connected between the outer surface of one end of the connecting rod located in the second spherical groove and the fastening shell.

Preferably, the limiting rings are arranged inside two ends of the guide hole, the side face, far away from the inner wall of the guide hole, of each limiting ring is provided with a third ball groove, and a third rotating ball is arranged in each third ball groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of: the utility model discloses a pass the cable hole with the cable then under the effect of second spring, the arc pad extrudees the cable surface to fix the cable, go up the cable and need take place the up-and-down motion or rotatory messenger, roll at the guiding hole inner wall through first roll ball and second roll ball, thereby realize no matter how the cable moves, all not with other object contact, thereby avoid the occurence of failure of crust wearing and tearing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the guide hole of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a guide ring; 2. a guide hole; 3. fastening the shell; 4. a first ball groove; 5. a first rolling ball; 6. a fastening unit; 7. a first spring; 8. a cable hole; 9. a cable; 10. a fastening hole; 11. a connecting rod; 12. an arc-shaped pad; 13. a second ball groove; 14. a second rolling ball; 15. a second spring; 16. a limiting ring; 17. a third ball groove; 18. a third rotating ball.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-3, a cable guide device for a wind turbine generator system includes a guide ring 1, wherein a plurality of guide holes 2 are formed in the middle of the guide ring 1, and cable fastening devices are disposed in the guide holes 2.

The cable fastening device is composed of a plurality of fastening units 6, the fastening units 6 are connected with each other through first springs 7, each fastening unit 6 comprises a fastening shell 3, a plurality of first ball grooves 4 are formed in the outer surface of the fastening shell 3, first rolling balls 5 are arranged in the first ball grooves 4, and the first rolling balls 5 are in contact with the inner wall of the guide hole 2.

The cable hole 8 has been seted up at fastening shell 3 middle part, cable 9 runs through cable hole 8, fastening hole 10 has been seted up on the fastening shell 3 between each other in first ball groove 4, be provided with connecting rod 11 in the fastening hole 10, 1 one end connection of connecting rod is located cable hole 8 and is provided with arc pad 12, second ball groove 13 has been seted up to the other end, be provided with second ball 14 in the second ball groove 13, second ball 14 and 2 inner wall contacts of guiding hole, the connecting rod is located and is connected with second spring 15 between one end surface of second ball groove 13 and the fastening shell 3.

Limiting rings 16 are arranged inside two ends of the guide hole 2, a third ball groove 17 is formed in the side face, far away from the inner wall of the guide hole 2, of each limiting ring 16, and a third rotating ball 18 is arranged in each third ball groove 17.

The working principle is as follows:

the first point is that a plurality of guide holes are arranged on the guide ring, and each cable is provided with one guide hole, so that the cables are not in contact with each other;

the outer surface of the cable is fastened through the arc-shaped pad, and the fastened second spring is in a compressed state, so that the outer surface of the cable is only contacted with the arc-shaped pad, the cable cannot be contacted with other objects by any movement no matter the cable moves up and down or rotates, and the outer skin cannot be damaged;

thirdly, the cable in the guide hole is provided with a plurality of fastening units so as to comprehensively protect the cable, the fastening units at two ends are connected with adjacent limiting rings through springs, and when the cable moves, the cable can be damped through the springs so as to avoid large displacement of the cable;

fourthly, after the cable goes out of the guide hole, the cable is easy to continuously rub two ends of the guide hole in the movement process of the cable, and on the basis, a third rotating ball is arranged on the side surface of the limiting ring, so that the cable is not in contact with other objects except the third rotating ball and the arc-shaped pad, and is in surface-to-spherical rolling contact with the third rotating ball, and the abrasion degree is greatly reduced;

through the four-point technology, the cable can be comprehensively protected, and the sheath abrasion accident can be prevented.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (4)

1. The utility model provides a wind generating set cable guider, includes guide ring (1), its characterized in that: the cable guide ring is characterized in that a plurality of guide holes (2) are formed in the middle of the guide ring (1), and cable fastening devices are arranged in the guide holes (2).

2. The wind turbine generator system cable guide of claim 1, wherein: the cable fastening device is composed of a plurality of fastening units (6), the fastening units (6) are connected with each other through a first spring (7), the fastening units (6) comprise fastening shells (3), a plurality of first ball grooves (4) are formed in the outer surfaces of the fastening shells (3), first rolling balls (5) are arranged in the first ball grooves (4), and the first rolling balls (5) are in contact with the inner wall of the guide hole (2).

3. A wind turbine generator system cable guide according to claim 2, wherein: fastening shell (3) middle part seted up cable hole (8), cable (9) run through cable hole (8), first ball groove (4) fastening shell (3) between each other seted up fastening hole (10), fastening hole (10) in be provided with connecting rod (11), connecting rod (1) one end connect and be located cable hole (8) and be provided with arc pad (12), second ball groove (13) have been seted up to the other end, second ball groove (13) in be provided with second roll ball (14), second roll ball (14) and guiding hole (2) inner wall contact, the connecting rod be located and be connected with second spring (15) between one end surface of second ball groove (13) and fastening shell (3).

4. A wind turbine generator system cable guide according to any one of claims 1 to 3, characterised in that: limiting rings (16) are arranged inside two ends of the guide hole (2), third ball grooves (17) are formed in the side faces, far away from the inner wall of the guide hole (2), of the limiting rings (16), and third rotating balls (18) are arranged in the third ball grooves (17).

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