CN215890327U

CN215890327U - Fixing structure for reverse installation of wind power slip ring

Info

Publication number: CN215890327U
Application number: CN202122142544.XU
Authority: CN
Inventors: 张令威; 王任博; 王永良
Original assignee: Dalian Fengying Technology Co ltd
Current assignee: Dalian Fengying Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-22
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a fixing structure for reverse installation of a wind power slip ring, and relates to a wind power slip ring, which comprises a hollow shaft of a wind driven generator, wherein the hollow shaft is of a hollow round tubular structure, one end of the hollow shaft is connected with a cabin, the other end of the hollow shaft is connected with a hub cabin of the wind driven generator, a hollow shaft mounting flange which extends outwards along the radial direction is arranged at a pipe orifice at one end of the hub cabin, the hollow shaft mounting flange is used for fixing the wind power slip ring, the wind power slip ring is arranged at the inner side of the hollow shaft, a wind power slip ring body does not occupy the space in the hub cabin and is hidden in the hollow shaft, so that personnel can conveniently pass through the slip ring, and the possibility of accidental injury such as impact on the wind power slip ring is avoided; the wind power slip ring rotor rotates along with the hub instead of the shell rotating along with the hub, the mass rotation center of the wind power slip ring is coincided with the axis, the structure is more reasonable, the wind power slip ring bearing is stressed uniformly, and the contact between the brush bundle and the channel is more stable.

Description

Fixing structure for reverse installation of wind power slip ring

Technical Field

The utility model relates to a wind power slip ring, in particular to a fixing structure for reverse installation of the wind power slip ring.

Background

At present, a wind power slip ring of an original installation machine of a golden wind 1.5MW unit is installed in a hub cabin, a mandrel of the wind power slip ring is fixed with a hollow shaft, and a shell rotates along with a hub.

According to the installation mode, the wind power slip ring occupies the overhaul space of the hub cabin, so that the working environment of maintenance personnel is limited, and the wind power slip ring is easily collided and damaged when other maintenance operations are carried out in the hub cabin.

In addition, the shell of the wind power slip ring rotates along with the hub, and the mass rotation center of the wind power slip ring is not located at the axis, so that the wind power slip ring is not stable in operation, and the hub is strongly vibrated when rotating, so that the operation stability of the wind power slip ring is difficult to guarantee, and the wind power slip ring is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing structure for reverse installation of a wind power slip ring, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a fixing structure for reverse installation of a wind power slip ring comprises a hollow shaft, wherein the hollow shaft is of a hollow round tubular structure, one end of the hollow shaft is communicated with an engine room, the other end of the hollow shaft is connected with a hub cabin of a wind turbine generator, and a pipe orifice at one end connected with the hub cabin is provided with a hollow shaft mounting flange which extends outwards along the radial direction and is fixedly connected with the hub cabin through a plurality of mounting bolts; and a wind power slip ring is arranged in the hollow shaft.

Furthermore, a flange hole coaxial with the hollow shaft is formed in the center of the hollow shaft mounting flange, and a slip ring connecting screw hole is formed in the periphery of the flange hole and used for fixing the wind power slip ring.

Preferably, the wind power slip ring comprises a left main shaft part and a right slip ring chamber.

Furthermore, the slip ring chamber comprises a slip ring mandrel at the center, the wind power slip ring is sleeved and fixed on the outer side of the slip ring chamber, slip ring shell portions are jointly fixed at two ends of the slip ring mandrel and the wind power slip ring through bearings, and a slip ring mounting flange is fixed at the leftmost end of each slip ring shell portion.

Preferably, the slip ring mounting flange is screwed and fixed on the slip ring connecting screw hole through a fixing bolt.

Furthermore, a fixing rod supporting seat extending outwards in the radial direction is arranged at the main shaft part, a main shaft fixing rod parallel to the axis of the main shaft part is installed on the fixing rod supporting seat, and the main shaft fixing rod is connected to the main shaft rotating seat.

Preferably, the hub cabin and the main shaft part drive the slip ring core shaft and the wind power slip ring to rotate together.

Preferably, a slip ring chamber wiring terminal is fixed at the rightmost end of the slip ring chamber, and a slip ring spindle end wiring terminal is further arranged at the leftmost end of the spindle portion.

Compared with the prior art, the utility model has the beneficial effects that:

1. the wind power slip ring body does not occupy the space in the hub cabin and is hidden in the hollow shaft, so that the wind power slip ring is convenient for personnel to pass through and the possibility of accidental injuries such as collision and the like to the wind power slip ring is avoided;

2. the wind power slip ring rotor rotates along with the hub instead of the shell rotating along with the hub, the mass rotation center of the wind power slip ring is coincided with the axis, the structure is more reasonable, the wind power slip ring bearing is stressed uniformly, and the contact between the brush bundle and the channel is more stable.

Drawings

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

FIG. 2 is a schematic view of a hollow shaft;

FIG. 3 is a schematic view of a wind power slip ring;

FIG. 4 is a schematic structural diagram of a wind power slip ring;

FIG. 5 is an enlarged schematic view of FIG. 4A;

in the figure: the wind power slip ring comprises a hollow shaft-1, a hollow shaft mounting flange-11, a flange hole-12, a slip ring connecting screw hole-13, a wind power slip ring-2, a main shaft part-21, a fixed rod supporting seat-211, a main shaft fixed rod-212, a main shaft rotating seat-213, a slip ring chamber-22, a slip ring mandrel-221, a bearing-222, a slip ring shell part-223, a slip ring mounting flange-23, a slip ring chamber wiring terminal-24, a fixing bolt-25 and a slip ring main shaft end wiring terminal-26.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and the specific embodiments.

Referring to fig. 1-5, fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic view of a hollow shaft; FIG. 3 is a schematic view of a wind power slip ring; FIG. 4 is a schematic structural diagram of a wind power slip ring; fig. 5 is an enlarged schematic view of the structure of fig. 4A.

The utility model provides a fixing structure for reversely installing a wind power slip ring, which is used for reversely installing the wind power slip ring in the hollow shaft of a wind driven generator so as to save the space in a wind power hub cabin and simultaneously avoid the damage of collision and the like to the wind power slip ring during maintenance, and comprises a hollow shaft 1 of the wind driven generator, wherein the wind power slip ring 2 is installed in the hollow shaft 1.

The hollow shaft 1 is of a hollow circular tubular structure, one end of the hollow shaft 1 is connected with a cabin, the other end of the hollow shaft is connected with a hub cabin of the wind turbine generator, a hollow shaft mounting flange 11 which extends outwards along the radial direction is arranged at a pipe orifice at one end of the hollow shaft 1, which is connected with the hub cabin, and the edge of the hollow shaft mounting flange 11, which is close to the outer side, is fixedly connected with the hub cabin through a plurality of mounting bolts; the wind power slip ring mounting structure is characterized in that a flange hole 12 coaxial with the hollow shaft 1 is formed in the center of the hollow shaft mounting flange 11, and slip ring connecting screw holes 13 for fixing the wind power slip ring 2 are formed in the periphery of the flange hole 12.

The wind power slip ring 2 comprises a left main shaft part 21 and a right slip ring chamber 22, the slip ring chamber 22 comprises a slip ring core shaft 221 in the center, the wind power slip ring is sleeved and fixed on the outer side of the slip ring core shaft 221, and slip ring shell parts 223 are fixed at two ends of the slip ring core shaft 221 and the wind power slip ring through bearings 222 and used for protecting the wind power slip ring and accessories thereof, so that the wind power slip ring and the accessories thereof are protected from being influenced by impurities and the like in the operation process of the main shaft.

The leftmost end of the slip ring casing portion 223 is further fixed with a slip ring mounting flange 23, the rightmost end is fixed with a slip ring chamber wiring terminal 24 and is used for connection and communication of the wind power slip ring and other equipment, when the slip ring casing portion is installed, the slip ring chamber 22 extends into the hollow shaft 1 through the flange hole 12, then the slip ring mounting flange 23 is screwed and fixed on the slip ring connecting screw hole 13 through a fixing bolt 25, the wind power slip ring 2 is integrally fixed at one end of the hollow shaft 1, after the installation is completed, the slip ring chamber 22 is located in the hollow shaft 1, and the main shaft portion 21 is arranged in an outer side hub cabin of the hollow shaft mounting flange 11.

The main shaft part 21 is provided with a fixing rod supporting seat 211 which extends radially outwards, a main shaft fixing rod 212 which is parallel to the axis of the main shaft part 21 is installed on the fixing rod supporting seat 211, the main shaft fixing rod 212 is connected to a main shaft rotating seat 213 and used for ensuring that the main shaft part 21 rotates together with a fan hub in the rotating process of the main shaft part 21, meanwhile, the main shaft part 21 simultaneously drives a slip ring mandrel 221 and a wind power slip ring to rotate together, the mass rotation center of the wind power slip ring is coincided with the axis of a wind power slip ring 2, the structure is more reasonable, the stress of a wind power slip ring bearing is uniform, the contact between a brush bundle and a channel is more stable, the vibration of the wind power slip ring in the working process is reduced, and the service life of the wind power slip ring is prolonged.

And a wind power slip ring main shaft end wiring terminal 26 is further arranged at the leftmost end of the main shaft part 21 and is used for electrifying and communicating the wind power slip ring and equipment in the hub cabin.

According to the mounting structure, the wind power slip ring does not occupy the overhaul space of the hub cabin, so that the operation space of an overhaul worker is more convenient, and the damage caused by collision of the wind power slip ring when other maintenance operations are carried out in the hub cabin is avoided.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outward", "left end", "right end", "outer", "both ends", "coaxial", "parallel", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

While embodiments of the utility model have been illustrated and described, it is to be understood that the embodiments described are merely some, and not all, embodiments of the utility model. Based on the embodiments of the present invention, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principle and spirit of the present invention, and all other embodiments obtained by making various changes, modifications, substitutions and alterations to the embodiments are within the scope of the present invention.

Claims

1. The utility model provides a fixed knot constructs for reverse installation of wind-powered electricity generation sliding ring which characterized in that: the wind power generation device comprises a hollow shaft (1), wherein the hollow shaft (1) is of a hollow circular tubular structure, one end of the hollow shaft (1) is communicated with a cabin, the other end of the hollow shaft is connected with a hub cabin of a wind turbine generator, and a pipe orifice at one end connected with the hub cabin is provided with a hollow shaft mounting flange (11) which extends outwards along the radial direction and is fixedly connected with the hub cabin through a plurality of mounting bolts; and a wind power slip ring (2) is arranged in the hollow shaft (1).

2. The fixing structure for reverse installation of the wind power slip ring according to claim 1, characterized in that: the wind power slip ring mounting structure is characterized in that a flange hole (12) coaxial with the hollow shaft (1) is formed in the center of the hollow shaft mounting flange (11), and slip ring connecting screw holes (13) for fixing the wind power slip ring (2) are formed in the periphery of the flange hole (12).

3. The fixing structure for reverse installation of the wind power slip ring according to claim 2, characterized in that: the wind power slip ring (2) comprises a left main shaft part (21) and a right slip ring chamber (22).

4. The fixing structure for reverse installation of wind power slip rings according to claim 3, characterized in that: the slip ring chamber (22) comprises a slip ring mandrel (221) at the center, a wind power slip ring is sleeved and fixed on the outer side of the slip ring mandrel (221), a slip ring shell portion (223) is fixed at two ends of the slip ring mandrel (221) and the wind power slip ring through bearings (222), and a slip ring mounting flange (23) is fixed at the leftmost end of the slip ring shell portion (223).

5. Fixing structure for wind power slip ring reverse installation according to claim 4, characterized in that: and the slip ring mounting flange (23) is screwed and fixed on the slip ring connecting screw hole (13) through a fixing bolt (25).

6. The fixing structure for reverse installation of wind power slip rings according to claim 5, characterized in that: the main shaft part (21) is provided with a fixing rod supporting seat (211) which extends out radially, a main shaft fixing rod (212) which is parallel to the axis of the main shaft part (21) is installed on the fixing rod supporting seat (211), and the main shaft fixing rod (212) is connected to a main shaft rotating seat (213).

7. The fixing structure for reverse installation of wind power slip rings according to claim 6, characterized in that: the hub cabin and the main shaft part (21) drive the slip ring mandrel (221) and the wind power slip ring to rotate together.

8. The fixing structure for reverse installation of wind power slip rings according to claim 7, characterized in that: and a slip ring chamber wiring terminal (24) is fixed at the rightmost end of the slip ring chamber (22), and a slip ring main shaft terminal wiring terminal (26) is further arranged at the leftmost end of the main shaft part (21).