CN219268092U

CN219268092U - Wind-powered electricity generation sliding ring assembly

Info

Publication number: CN219268092U
Application number: CN202223044998.4U
Authority: CN
Inventors: 拉尔夫·古切; 孙磊; 敫健; 刘文彬; 张金山; 王硕; 王国庆; 刘佳; 师晓锋
Original assignee: Slf Transmission Technology Tianjin Co ltd
Current assignee: Slf Transmission Technology Tianjin Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-06-27
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a wind power slip ring assembly, which comprises a shell, wherein a brush box is arranged at the top of the shell: the brush box is characterized in that the shell is rotationally connected with the rotor through a bearing, a sealing assembly moving along the length direction of the rotor is movably connected to the rotor and located on the outer side of the shell, a telescopic assembly is arranged in the brush box, a carbon brush contacting with the outer wall of the rotor is arranged at the bottom of the telescopic assembly, and the carbon brush is driven to move along the radial direction of the rotor. According to the wind power slip ring assembly, when the rotor is connected with the wind power rotating component through the arranged sealing assembly, a wrapping type sealing protection effect is achieved on the joint of the rotor and the wind power rotating component, pollution or corrosion caused by dust and water stains penetrating into the joint is prevented, and through the arranged telescopic assembly, an unpowered pressure application effect can be achieved on the carbon brush, so that the carbon brush can always bear the same acting force to press, the carbon brush is in stable contact with the outer wall of the rotor, and the safe and stable working effect of the wind power slip ring is achieved.

Description

Wind-powered electricity generation sliding ring assembly

Technical Field

The utility model relates to the technical field of wind power slip rings, in particular to a wind power slip ring assembly.

Background

The wind power slip ring is used for providing a power supply for a variable pitch system of the wind generating set and is responsible for communication data transmission and connection of safety chain signals of the control system and the variable pitch system, and in current wind power equipment, a rotating part and a fixed part of the wind power equipment are connected through the wind power slip ring, and meanwhile transmission of electric signals is realized so as to meet the running requirements of the wind power equipment.

Chinese patent publication No.: CN213753380U discloses a small wind power slip ring, including fixing base, brush box, first screw, first nut, first spring washer, bearing, rotor, wire, spout, clamp plate, second screw, second spring washer, carbon brush, spring and carbon brush lead wire, fixedly connected with brush box on one side outer wall of fixing base, on one side outer wall of fixing base distribute threaded connection there is first screw, on one side outer wall of first screw correspond brush box on the one side outer wall threaded connection have first nut, on one side inner wall of fixing base correspond brush box on one side inner wall rotate be connected with the rotor, fixedly connected with wire on one side inner wall of rotor, on one side inner wall of brush box distribute the spout, sliding connection has the carbon brush on one side inner wall of spout, fixedly connected with clamp plate on one side outer wall of brush box, threaded connection has the second screw on one side outer wall of clamp plate, and on one side inner wall of second screw thread connection in one side of brush box, one side of spout corresponds on one side inner wall of corresponding spring, on one side inner wall of clamp plate and one side of carbon brush lead wire is connected in the one end of fixedly connected with spring.

When the wind power slip ring is connected with the rotating component of wind power equipment, the rotor with the threaded structure is directly connected with the rotating component, and as the connecting part of the rotor and the rotating component is of an open structure, the phenomenon of dust accumulation and pollution can occur at the connecting part of the rotor and the rotating component after long-time use, and even the phenomenon of unstable and swaying connection of the rotating component can occur.

Disclosure of Invention

The utility model aims to provide a wind power slip ring assembly which adopts a rotatable and movable sealing assembly to carry out wrapped sealing treatment on the joint of a rotor and a rotating part, improves the sealing performance of the joint of the rotor and prevents pollution and corrosion.

In order to achieve the above object, the present utility model provides the following technical solutions: the wind power slip ring assembly comprises a shell, wherein a brush box is arranged at the top of the shell:

the inside of the shell is rotationally connected with the rotor through a bearing, and a sealing assembly moving along the length direction of the rotor is movably connected on the rotor and positioned on the outer side of the shell;

the brush box is internally provided with a telescopic component, and the bottom of the telescopic component is provided with a carbon brush which is contacted with the outer wall of the rotor and drives the carbon brush to move along the radial direction of the rotor.

As a further description of the above technical solution:

the sealing component comprises a rotary connecting pipe which is spirally connected to the rotor, an annular groove is formed in the inner wall of the rotary connecting pipe, and a sealing ring is arranged on the inner wall of the annular groove.

As a further description of the above technical solution:

the brush box is provided with a sliding hole at the outer side of the telescopic component, and the shell is provided with a brush hole communicated with the sliding hole at the outer side of the carbon brush.

As a further description of the above technical solution:

the telescopic component comprises a sleeve pipe which is spirally connected with the inner wall of the sliding hole, the inner wall of the sleeve pipe is movably connected with a sliding rod, and the bottom of the sliding rod is connected with the carbon brush.

As a further description of the above technical solution:

the end of the rotor is provided with a rotary joint.

As a further description of the above technical solution:

the end of the shell is provided with a clamping sleeve, the clamping sleeve is spirally connected with a positioning pin, and the positioning pin is matched with a positioning groove on the shell.

As a further description of the above technical solution:

the device also comprises a mounting frame;

the mounting frame is provided with a protruding portion, and the protruding portion is clamped with the concave portion on the jacket.

As a further description of the above technical solution:

fastening pins penetrating through fastening holes in the concave part and the convex part are spirally arranged in the jacket.

In the technical scheme, the wind power slip ring assembly provided by the utility model has the following beneficial effects:

(1) This wind-powered electricity generation sliding ring assembly can be when rotor and wind-powered electricity generation rotating member are connected through the seal assembly who sets up, rotates seal assembly and makes it remove the outside of rotor and wind-powered electricity generation rotating member junction, can play parcel formula seal protection effect to both junctions, prevents that dust water stain from penetrating into the junction and causing pollution or the phenomenon of corruption, ensures the stability of rotor connection.

(2) The wind power slip ring can play an unpowered pressing effect on the carbon brush through the telescopic component, so that the carbon brush can always bear the extrusion of acting force with the same size, and the carbon brush is in stable contact with the outer wall of the rotor, and therefore the safe and stable working effect of the wind power slip ring is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic structural view of a wind power slip ring assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of a seal assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an exploded structure of a housing, a jacket and a mounting frame according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a connection portion between a telescopic assembly and a carbon brush according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a rotor; 2. a housing; 21. brushing holes; 22. a positioning groove; 3. a bearing; 4. a seal assembly; 41. a screwed pipe; 42. a ring groove; 43. a seal ring; 5. a rotary joint; 6. a jacket; 61. a recessed portion; 62. a fastening pin; 63. a positioning pin; 7. a mounting frame; 71. a boss; 72. a fastening hole; 8. a brush box; 9. a telescoping assembly; 91. a sleeve; 92. a slide bar; 10. a slide hole; 11. a carbon brush.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a wind power slip ring assembly comprises a shell 2, wherein a brush box 8 is arranged at the top of the shell 2:

the inside of the shell 2 is rotationally connected with the rotor 1 through the bearing 3, the end part of the rotor 1 is provided with a rotary joint 5, the rotor 1 is movably connected with a sealing component 4 which moves along the length direction of the rotor 1 and is positioned on the outer side of the shell 2, the outer wall of the rotary joint 5 is provided with a spiral groove, so that the rotary joint 5 can be connected with threads in a rotating component on wind power equipment, the wind power slip ring assembly is connected and installed with the wind power equipment, after the rotary joint 5 is connected, the sealing component 4 is rotated to move to the outer side of the rotary joint 5, so that a wrapping sealing effect is achieved at the joint of the rotary joint 5 and the rotating component of the wind power equipment, the phenomenon that dust and water stains infiltrate into the joint to cause pollution or corrosion is prevented, and the stability of the connection of the rotor 1 is ensured;

be provided with flexible subassembly 9 in brush box 8, and the bottom of flexible subassembly 9 is provided with the carbon brush 11 with rotor 1 outer wall contact, and drive carbon brush 11 along rotor 1's radial movement, be equipped with slide hole 10 on the brush box 8 and be located the outside of flexible subassembly 9, the shell 2 is gone up and be located the outside of carbon brush 11 be equipped with slide hole 10 intercommunication brush hole 21, can play unpowered effect of exerting pressure to carbon brush 11, make carbon brush 11 bear the effort extrusion of same size all the time, and reciprocate in brush hole 21, and make carbon brush 11 and rotor 1 outer wall stable contact, thereby realize wind-powered electricity generation sliding ring safety and stability's work effect.

The seal assembly 4 comprises a rotary joint pipe 41 which is spirally connected to the rotor 1, an annular groove 42 is formed in the inner wall of the rotary joint pipe 41, a sealing ring 43 is arranged on the inner wall of the annular groove 42, after the rotary joint 5 is installed with a rotary joint part on wind power equipment, the rotary joint pipe 41 is rotated to move to one side of the rotary joint 5, the sealing ring 43 wraps the rotary joint part on the wind power equipment, the joint of the rotary joint 5 can be sealed and protected, dust and water stains are prevented from penetrating into the joint to cause pollution or corrosion, and the stability of the connection of the rotor 1 is ensured.

The telescopic assembly 9 comprises a sleeve 91 which is spirally connected to the inner wall of the sliding hole 10, a sliding rod 92 is movably connected to the inner wall of the sleeve 91, the bottom of the sliding rod 92 is connected with the carbon brush 11, the sliding rod 92 can move freely in the sleeve 91, the carbon brush 11 can be subjected to gravity action of dead weight and the sliding rod 92 without power falling, the carbon brush 11 is in contact with the outer wall of the rotor 1, the carbon brush 11 can be ensured to always bear extrusion of acting force of the same size, and stable transmission of electric signals on wind power equipment is realized.

The end of the shell 2 is provided with a jacket 6, the jacket 6 is spirally connected with a locating pin 63, the locating pin 63 is matched with a locating groove 22 on the shell 2, the wind power generation equipment further comprises a mounting frame 7, a convex part 71 is arranged on the mounting frame 7, the convex part 71 is clamped with a concave part 61 on the jacket 6, a fastening pin 62 penetrating through the concave part 61 and a fastening hole 72 on the convex part 71 is spirally arranged in the jacket 6, the mounting frame 7 is arranged on a support column of the wind power generation equipment in advance, then aim at bellying 71 and assemble with the depressed part 61 on pressing from both sides the cover 6 to after the fastening pin 62 runs through the fastening hole 72 on depressed part 61 and the bellying 71, play the effect of stable connection with the installation frame 7 with pressing from both sides cover 6, provide stable mounting structure for wind-powered electricity generation sliding ring and fixed part, later embed the tail end of casing 2 in pressing from both sides cover 6, and be connected with the location of constant head tank 22 through locating pin 63, can play the location connection effect to casing 2 and pressing from both sides cover 6, the stability of wind-powered electricity generation sliding ring has been strengthened.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. Wind-powered electricity generation sliding ring assembly, including casing (2), the top of casing (2) is provided with brush box (8), its characterized in that:

the inside of the shell (2) is rotationally connected with the rotor (1) through a bearing (3), and a sealing assembly (4) which moves along the length direction of the rotor (1) is movably connected on the rotor (1) and positioned at the outer side of the shell (2);

the brush box (8) is internally provided with a telescopic component (9), and the bottom of the telescopic component (9) is provided with a carbon brush (11) contacted with the outer wall of the rotor (1) and drives the carbon brush (11) to move along the radial direction of the rotor (1).

2. The wind power slip ring assembly as claimed in claim 1, wherein: the sealing assembly (4) comprises a rotating pipe (41) which is spirally connected to the rotor (1), an annular groove (42) is formed in the inner wall of the rotating pipe (41), and a sealing ring (43) is arranged on the inner wall of the annular groove (42).

3. The wind power slip ring assembly as claimed in claim 1, wherein: the brush box (8) is provided with a sliding hole (10) positioned on the outer side of the telescopic assembly (9), and the shell (2) is provided with a brush hole (21) communicated with the sliding hole (10) positioned on the outer side of the carbon brush (11).

4. The wind power slip ring assembly as claimed in claim 1, wherein: the telescopic component (9) comprises a sleeve (91) which is spirally connected to the inner wall of the sliding hole (10), a sliding rod (92) is movably connected to the inner wall of the sleeve (91), and the bottom of the sliding rod (92) is connected with the carbon brush (11).

5. The wind power slip ring assembly as claimed in claim 1, wherein: the end part of the rotor (1) is provided with a rotary joint (5).

6. The wind power slip ring assembly as claimed in claim 1, wherein: the end of the shell (2) is provided with a clamping sleeve (6), the clamping sleeve (6) is spirally connected with a locating pin (63), and the locating pin (63) is matched with a locating groove (22) on the shell (2).

7. The wind power slip ring assembly as claimed in claim 6, wherein: also comprises a mounting frame (7);

the mounting frame (7) is provided with a protruding portion (71), and the protruding portion (71) is clamped with the concave portion (61) on the jacket (6).

8. The wind power slip ring assembly as claimed in claim 7, wherein: the clamping sleeve (6) is internally provided with a fastening pin (62) penetrating through fastening holes (72) on the concave part (61) and the convex part (71) in a spiral manner.