CN214590304U

CN214590304U - Fan driftage knob cable protection spacer ring

Info

Publication number: CN214590304U
Application number: CN202023113974.0U
Authority: CN
Inventors: 魏冬阳; 莫东君; 郭磊; 王世林; 张新成
Original assignee: Three Gorges New Energy Offshore Wind Power Operation And Maintenance Jiangsu Co ltd
Current assignee: Three Gorges New Energy Offshore Wind Power Operation And Maintenance Jiangsu Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-02
Anticipated expiration: 2030-12-22

Abstract

A fan yaw cable protection spacer ring comprises a spacer ring outer frame, an anti-torsion beam support is connected with the spacer ring outer frame in a penetrating mode from the center, anti-vortex cable clamps are arranged on the inner side of the spacer ring outer frame and the center of a beam support and comprise a clamp base, a U-shaped gland and adjusting bolts, the clamp base is connected with the spacer ring outer frame through the adjusting bolts, the clamp base is connected with the U-shaped gland through the adjusting bolts, the anti-torsion beam support and the spacer ring outer frame are of an integrated structure, and the anti-torsion beam support and the spacer ring outer frame are fixedly installed on the cable support through fixing bolts; this device can effectual fixed wind generating set cable, and the crossbeam support of preventing turning round of device central line department can the at utmost even cable twist reverse, and this device installation is dismantled conveniently and can prevent the cable vortex.

Description

Fan driftage knob cable protection spacer ring

Technical Field

The embodiment of the utility model provides a relate to wind power generation technical field, especially relate to a fan driftage knob cable protection spacer ring.

Background

With the development of new energy technology vigorously supported by the country, wind power generation is one of key development projects, and the installed capacity of wind power generation is increasing day by day each year. When the wind driven generator is in a grid connection process, the weather station can generate continuous wind, and in order to enable a blade rotor of the fan to always face a certain direction during working, a yaw system is arranged in the fan, so that the fan can continuously yaw. However, the cable spacer ring of the fan generator set can rub the cable when the fan deflects, and the fan cable can be seriously abraded after long-time operation, so that great potential safety hazards and economic loss are generated.

The existing old cable spacer ring is in line contact with a cable, the contact area is small, and when a fan deflects, the fan is stressed greatly, so that the fan cable is abraded seriously. When the problems are treated on site, the rubber sheet is temporarily padded for fixing and abrasion is reduced, and the phenomenon that the insulating rubber sheet slides downwards easily due to long-time yawing of the fan in the subsequent operation process can be found, so that the cable abrasion can not be protected, and the problems are not solved fundamentally.

In the prior art, a technology specific to a cable spacer is provided, and chinese patent document CN207064158U describes a cable spacer, in which two semicircular metal spacers are used to hoop a cable and are fixedly connected by bolts. The mode can fix a plurality of cables simultaneously, can effectively prevent the cable spacer ring from sliding relative to the cables and can twist the cables uniformly to a certain degree when the fan is in yaw. The mode is simple and practical, but the space between the cables is small, the heat insulation effect between the cables is poor, and the friction between the cables is large. When the cable needs to be adjusted, the whole fixing device needs to be detached, the installation and the detachment are complicated, and the retaining ring with the internal metal structure can not effectively prevent the vortex generated when the high-voltage cable runs.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem that the background art exists, the utility model provides a fan driftage knob cable protection ring, it can effectually prevent that the relative cable of cable spacer from sliding, and the cable when the link fan of also can to a great extent simultaneously twists reverse, and the device conveniently dismantles simultaneously, and inside material can effectually prevent that fixed high tension cable from producing the vortex.

The utility model provides a fan driftage knob cable protection spacer ring, includes the spacer ring frame, prevents turning round crossbeam support from center through connection spacer ring frame, and spacer ring frame inboard is equipped with prevents vortex cable anchor clamps, prevents turning round crossbeam support center department and is equipped with one and prevents vortex cable anchor clamps.

In the preferred scheme, the spacer ring frame is 8 polygons, and the anti-vortex cable clamp is arranged on the inner side of the spacer ring frame at intervals in the circumferential direction.

In the preferred scheme, the anti-vortex cable clamp comprises a clamp base, a U-shaped gland and an adjusting bolt, wherein the clamp base is connected with the spacer ring outer frame through the adjusting bolt, the clamp base at the center of the anti-torsion beam support is connected with the anti-torsion beam support through the adjusting bolt, and the clamp base is connected with the U-shaped gland through the adjusting bolt.

In the preferred scheme, the clamp base and the U-shaped gland are made of engineering plastics.

In the preferred scheme, the inner sides of the clamp base and the U-shaped gland are provided with flexible anti-skidding protection pads.

In the preferred scheme, the accommodating hole in the middle of the clamp base and the U-shaped gland is used for accommodating a power cable of the wind generating set.

In the preferred scheme, the anti-torsion beam support and the spacer ring outer frame are of an integrated structure, and the anti-torsion beam support and the spacer ring outer frame are fixedly installed on the cable support through fixing bolts.

Compared with the prior art, the patent can achieve the following beneficial effects:

1. the fan cable fixing device can stably and firmly fix the fan cable through the clamp arranged on the inner side. The anti-twisting beam support at the center line of the device can uniformly twist cables to the maximum extent;

2. the device is convenient to mount and dismount, when the cable needs to be dismounted, only the corresponding eddy-current-preventing clamp needs to be dismounted, and the clamp does not need to be dismounted completely in the process of dismounting the clamp, and the mounting and dismounting can be finished only by loosening the bolt on one side;

3. the vortex-preventing clamp on the inner side of the device is made of engineering plastics, and can effectively prevent the vortex generated by the running cable.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a schematic 3D structural view of a wind turbine yaw cable protection spacer ring;

FIG. 2 is a schematic top plan view of a wind turbine yaw cable protective spacer ring;

FIG. 3 is a schematic front plan view of a wind turbine yaw cable protection spacer ring;

FIG. 4 is a schematic 3D view of a working position of a wind turbine yaw cable protection spacer ring.

In the figure: 1 spacer ring frame, 2 prevent turning round crossbeam support, 3 prevent vortex cable anchor clamps, 301 anchor clamps base, 302U-shaped gland, 303 adjusting bolt, 4 fixing bolt, 5 flexible anti-skidding protection pads, 6 generating set power cable.

Detailed Description

As shown in figure 1, a fan driftage knob cable protection spacer ring, including spacer ring frame 1, prevent turning round crossbeam support 2 from center run through connection spacer ring frame 1, spacer ring frame 1 inboard is equipped with vortex-resistant cable anchor clamps 3, prevents turning round crossbeam support 2 center department and is equipped with a vortex-resistant cable anchor clamps 3.

As shown in fig. 1 and 2, a preferred embodiment is that the spacer ring outer frame 1 is an 8-sided polygon, and the eddy current preventing cable clamps 3 are circumferentially arranged at intervals inside the spacer ring outer frame 1.

Preferably, as shown in fig. 1 and fig. 2, the eddy current preventing cable clamp 3 includes a clamp base 301, a U-shaped gland 302 and an adjusting bolt 303, the clamp base 301 is connected to the spacer ring outer frame 1 through the adjusting bolt 303, the clamp base 301 at the center of the anti-twisting beam support 2 is connected to the anti-twisting beam support 2 through the adjusting bolt 303, the clamp base 301 and the U-shaped gland 302 are connected through the adjusting bolt 303, and when the adjusting bolt 303 at one side is removed, the U-shaped gland 302 can rotate freely around the adjusting bolt 303 at the other side.

In a preferred scheme, as shown in fig. 1 and fig. 2, the clamp base 301 and the U-shaped gland 302 are made of engineering plastics, so that the high-voltage cable can be effectively prevented from generating eddy current.

The preferred scheme is as shown in figure 1, the inside of anchor clamps base and U-shaped gland is equipped with flexible anti-skidding protection pad 5, can increase the friction between power cable 6 and the anti-vortex cable anchor clamps 3 and further protection cable, and flexible anti-skidding protection pad 5 pastes the contact surface at the inboard of anti-vortex cable anchor clamps 3, can change by oneself and adjust the position of protection pad.

Preferably, as shown in fig. 3 and 4, a receiving hole between the clamp base 301 and the U-shaped gland 302 is used for receiving the power cable 6 of the wind generating set.

The preferred scheme is as shown in fig. 1, the anti-torsion beam support 2 and the spacer ring outer frame 1 are of an integrated structure, the anti-torsion beam support 2 and the spacer ring outer frame 1 are fixedly mounted on the cable support through fixing bolts 4 and cannot move and rotate, the fixing bolts can adopt high-strength bolts, and the stability of the protective spacer ring and the capability of resisting a cable are further improved.

The working principle of the whole device is as follows:

1. when the wind generating set power cable 6 works, the wind generating set power cable is placed in the accommodating hole between the clamp base 301 and the U-shaped gland 302, the cable can be fixed through the fastening adjusting bolt 303, and the moving friction between the cable and the anti-vortex cable clamp 3 can be prevented;

2. when the power cable 6 of the wind generating set needs to be assembled and disassembled, the cable can be assembled and disassembled without disassembling the whole device by loosening the adjusting bolt 303 at one side of the anti-vortex cable clamp 3 corresponding to the cable and then rotating the U-shaped gland 302;

3. the anti-twisting beam support 2 of the device is fixed on a cable bridge through the fixing bolt 4, and cable twisting caused by fan yawing can be equalized in daily work.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a fan driftage knob cable protection spacer ring, includes spacer ring frame (1) its characterized in that: the anti-torsion beam support (2) is connected with the spacer ring outer frame (1) in a penetrating mode from the center, the anti-vortex cable clamp (3) is arranged on the inner side of the spacer ring outer frame (1), and the anti-torsion beam support (2) is provided with the anti-vortex cable clamp (3) in the center.

2. The wind turbine yaw cable protection spacer ring of claim 1, wherein: the spacer ring outer frame (1) is an 8-edge shape, and the anti-vortex cable clamps (3) are circumferentially arranged on the inner side of the spacer ring outer frame (1) at intervals.

3. The wind turbine yaw cable protection spacer ring of claim 1, wherein: the anti-vortex cable clamp (3) comprises a clamp base (301), a U-shaped gland (302) and an adjusting bolt (303), wherein the clamp base (301) is connected with a spacer ring outer frame (1) through the adjusting bolt (303), the clamp base (301) at the center of the anti-torsion beam support (2) is connected with the anti-torsion beam support (2) through the adjusting bolt (303), and the clamp base (301) is connected with the U-shaped gland (302) through the adjusting bolt (303).

4. The wind turbine yaw cable protection spacer ring of claim 3, wherein: the clamp base (301) and the U-shaped gland (302) are made of engineering plastics.

5. The wind turbine yaw cable protection spacer ring of claim 3, wherein: the inner sides of the clamp base (301) and the U-shaped gland (302) are provided with flexible anti-skidding protection pads (5).

6. The wind turbine yaw cable protection spacer ring of claim 3, wherein: the accommodating hole in the middle of the clamp base (301) and the U-shaped gland (302) is used for accommodating a power cable (6) of the wind generating set.

7. The wind turbine yaw cable protection spacer ring of claim 1, wherein: prevent turning round crossbeam support (2) and spacer ring frame (1) formula structure as an organic whole, prevent turning round crossbeam support (2) and spacer ring frame (1) and pass through fixing bolt (4) fixed mounting on the cable support.