CN217206740U

CN217206740U - Rotating bracket for a rotor hub of a wind turbine

Info

Publication number: CN217206740U
Application number: CN202220674434.XU
Authority: CN
Inventors: 洪楠; 赵海亮; 陆畅; 刘振兴; 姚利
Original assignee: Cgn New Energy Lu'an Co ltd; Cgn Quanjiao Wind Power Generation Co ltd
Current assignee: Cgn New Energy Lu'an Co ltd; Cgn Quanjiao Wind Power Generation Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-16
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a rotating bracket for a rotor hub of a wind turbine, which comprises a bracket body, wherein one side of the bracket body is movably connected with a cover plate through a bolt, four groups of connecting blocks are arranged at the inner side of the bracket body, the four groups of connecting blocks correspond to the positions of four groups of mounting holes, the connecting blocks are movably arranged in the bracket body, connecting through holes are arranged in the connecting blocks, one end of a spring is fixedly connected with a T-shaped block, the other end of the spring is fixedly connected with a T-shaped groove, a plurality of groups of arc-shaped grooves are arranged at equal intervals, and a magnetic ring is fixedly connected in the sliding ring; through drawing out the slip ring from the connecting block, can place the screw that is used for fixing in a plurality of groups arc wall that the slip ring outside was seted up this moment, because be equipped with the magnetic ring in the slip ring, the screw of placing in the arc wall this moment can be adsorbed, loosens the pull to the slip ring after whole placing the completion, and operating personnel need not to advance to fix a position the screw in turn, and it is convenient that the operation is got up, improves work efficiency.

Description

Rotating bracket for a rotor hub of a wind turbine

Technical Field

The utility model relates to a rotor wheel hub rotates support technical field, specifically is a rotor wheel hub's that is used for wind turbine rotation support.

Background

The wind wheel generator is a generator which generates rotary motion under the action of lifting force, and drives a motor to rotate and generate electricity by means of the rotation of the wind wheel so as to convert mechanical energy into electric energy. The lift acting on the wing blade is caused by the amount of velocity ring present at the surface of the wing blade.

Chinese patent publication No. CN103518062B, which discloses a support structure for a wind turbine, comprising a bearing housing supporting bearings allowing rotation of a rotor shaft about a rotor axis, which may be configured to minimize forces generated in the bearings in response to moments acting on the rotor shaft about axes other than the rotor axis.

However, the above scheme has the following disadvantages: traditional rotating support often needs to be connected one by one fixing screws in the process of installing rotor hub and wind turbine blades, and operating personnel often work load is great when installing a large amount of screws, and work efficiency is lower, and for this reason, we put forward a rotating support for rotor hub of wind turbine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotating bracket for rotor hub of wind turbine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotating support for a rotor hub of a wind turbine comprises a support body, wherein one side of the support body is movably connected with a cover plate through bolts, a through groove is formed in the cover plate, mounting holes are formed in the periphery of the support body, a sealing ring is clamped in the mounting holes, four groups of connecting blocks are arranged on the inner side of the support body and correspond to the four groups of mounting holes in position, the connecting blocks are movably arranged in the support body, connecting through holes are formed in the connecting blocks, sliding rings are arranged in the ends, away from the support body, of the connecting through holes, T-shaped blocks are fixedly connected to the periphery of the outer sides of the sliding rings, the T-shaped blocks are connected in a sliding mode in T-shaped grooves, the T-shaped grooves are formed in the connecting through holes, springs are arranged in the T-shaped grooves, one ends of the springs are fixedly connected with the T-shaped blocks, the other ends of the springs are fixedly connected with the T-shaped grooves, and a plurality of groups of arc-shaped grooves are formed in the opposite surfaces of the sliding rings and the connecting through holes, the arc-shaped grooves are arranged at equal intervals, and the sliding ring is fixedly connected with a magnetic ring.

Preferably, support body one side is equipped with the protective cover, the protective cover is close to support body one side fixedly connected with joint ring, joint ring joint is in the joint inslot, the joint groove is seted up in the support body, the support body all is equipped with first screw rod all around, first screw rod runs through joint ring spiro union in the support body.

Preferably, the equal fixedly connected with mount pad in connecting block both sides, be equipped with two sets of second screw rods in the mount pad, the mount pad is internal through second screw rod movable mounting in the support body.

Preferably, the inner side of the sliding ring is provided with a groove.

Compared with the prior art, the beneficial effects of the utility model are that: through drawing out the slip ring from the connecting block, can place the screw that is used for fixing in a plurality of groups arc wall that the slip ring outside was seted up this moment, because be equipped with the magnetic ring in the slip ring, the screw of placing in the arc wall this moment can be adsorbed, loosen the pull to the slip ring after whole the accomplishment of placing, the slip ring is taken in again to the connecting block this moment, the screw setting is between two sets of arc walls simultaneously, the staff is direct at this moment to fix the screw can, operating personnel need not to advance the screw and fixes a position in turn, the operation is got up conveniently, and the work efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the connection relationship between the connection block and the sliding ring according to the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the connecting block of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the sliding ring of the present invention.

In the figure: 1. a stent body; 2. a seal ring; 3. a cover plate; 4. a bolt; 5. a slip ring; 6. a groove; 7. an arc-shaped slot; 8. a T-shaped block; 9. a T-shaped groove; 10. a spring; 11. a mounting seat; 12. a second screw; 13. connecting blocks; 14. a connecting through hole; 15. a protective cover; 16. a first screw; 17. a snap ring; 18. a clamping groove; 19. a magnetic ring; 20. a through groove; 21. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

example 1:

a rotating support for a rotor hub of a wind turbine comprises a support body 1, wherein the support body 1 is arranged in a semicircular shape, one side of the support body 1 is movably connected with a cover plate 3 through bolts 4, a through groove 20 is formed in the cover plate 3, when the cover plate 3 is damaged and needs to be replaced, a plurality of groups of bolts 4 are screwed down to take off the cover plate 3, three groups of mounting holes 21 are formed in the support body 1, the mounting holes 21 can guide blades, a sealing ring 2 is clamped in the mounting holes 21, when a fan wheel blade is arranged in a connecting block 13 and is inserted in the rotor hub, the sealing ring 2 is clamped between the fan wheel blade and the support body 1 to achieve a sealing effect, three groups of connecting blocks 13 are arranged on the inner side of the support body 1, the three groups of connecting blocks 13 correspond to the positions of the three groups of mounting holes 21, the connecting block 13 is movably arranged in the support body 1, connecting holes 14 are formed in the connecting block 13, the connecting through hole 14 can guide the blade of the wind turbine, a sliding ring 5 is arranged in one end, away from the support body 1, of the connecting through hole 14, the sliding ring 5 can be pulled out of the connecting block 13 before installation, and T-shaped blocks 8 are fixedly connected to the periphery of the outer side of the sliding ring 5;

the T-shaped block 8 is connected in a T-shaped groove 9 in a sliding mode, when the sliding ring 5 moves outwards, the T-shaped block 8 moves synchronously along with the sliding ring 5, the T-shaped groove 9 is formed in a connecting through hole 14, a spring 10 is arranged in the T-shaped groove 9, the T-shaped block 8 compresses the spring 10 along the T-shaped groove 9, one end of the spring 10 is fixedly connected with the T-shaped block 8, the other end of the spring 10 is fixedly connected with the T-shaped groove 9, a plurality of groups of arc-shaped grooves 7 are formed in the opposite surfaces of the sliding ring 5 and the connecting through hole 14, the arc-shaped grooves 7 are arranged at equal intervals, a magnetic ring 19 is fixedly connected in the sliding ring 5, after the sliding ring 5 is pulled out from the connecting block 13, a screw used for connecting blades of a wind turbine is placed in the arc-shaped groove 7, the screw is adsorbed in the arc-shaped groove 7 under the magnetic force of the magnetic ring 19, at the moment, the pulling of the sliding ring 5 is released, at the moment, under the elastic force of the spring 10, the T-shaped block 8 returns to the original position along the T-shaped groove 9, at the moment, the screws are driven into the connecting blocks 13 and arranged between the two groups of arc-shaped grooves 7, so that a user can conveniently and quickly install the rotor hub and the wind turbine blade.

Example 2:

on embodiment 1's basis, it is more convenient for installer operation to get up, through ensureing can be quick pull out slip ring 5, 1 one side of support body is equipped with protective cover 15, protective cover 15 is close to 1 one side fixedly connected with joint ring 17 of support body, joint ring 17 joint is in joint groove 18, joint groove 18 is seted up in support body 1, support body 1 all is equipped with first screw rod 16 all around, first screw rod 16 runs through joint ring 17 spiro union in support body 1, the equal fixedly connected with mount pad 11 in connecting block 13 both sides, be equipped with two sets of second screw rods 12 in the mount pad 11, mount pad 11 is through second screw rod 12 movable mounting in support body 1, recess 6 has been seted up to slip ring 5 inboard, operating personnel can be quick pull out slip ring 5 through digging draw recess 6.

Working principle, when in use, a rotor hub is placed in a bracket body 1, a sliding ring 5 is pulled out from a connecting block 13, screws for fixing can be placed in a plurality of groups of arc-shaped grooves 7 formed in the outer side of the sliding ring 5, a T-shaped block 8 starts to move along the T-shaped groove 9, a spring 10 is compressed, as a magnetic ring 19 is arranged in the sliding ring 5, the screws placed in the arc-shaped grooves 7 can be adsorbed, the sliding ring 5 is loosened to be pulled after the whole sliding ring is placed, the T-shaped block 8 returns to the original position along the T-shaped groove 9 under the elastic force action of the spring 10, the sliding ring 5 is withdrawn into the connecting block 13 again, the screws are arranged between the two groups of arc-shaped grooves 7, the wind turbine blade is inserted into a mounting hole 21, the tail end of the wind turbine blade is ensured to be inserted into the rotor hub, an operator can connect the screws adsorbed on the sliding ring 5 with the wind turbine blade, install apron 3 in support body 1 through bolt 4 after the connection is accomplished, simultaneously block into to joint groove 18 with joint ring 17 card that protective cover 15 one side is connected, it is fixed through four groups of first screw rods 16 after the joint is accomplished, be connected rotor wheel hub and support body 1 with the wind turbine this moment can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotating bracket for a rotor hub of a wind turbine, comprising a bracket body (1), characterized in that: the support is characterized in that one side of the support body (1) is movably connected with the cover plate (3) through a bolt (4), a through groove (20) is formed in the cover plate (3), mounting holes (21) are formed in the periphery of the support body (1), a sealing ring (2) is clamped in the mounting holes (21), four groups of connecting blocks (13) are arranged on the inner side of the support body (1), the four groups of connecting blocks (13) correspond to the four groups of mounting holes (21), the connecting blocks (13) are movably arranged in the support body (1), connecting through holes (14) are formed in the connecting blocks (13), a sliding ring (5) is arranged in one end, away from the support body (1), of each connecting through hole (14), T-shaped blocks (8) are fixedly connected to the periphery of the outer side of the sliding ring (5), the T-shaped blocks (8) are connected in T-shaped grooves (9) in a sliding mode, the T-shaped grooves (9) are formed in the connecting through holes (14), the novel magnetic bearing is characterized in that a spring (10) is arranged in the T-shaped groove (9), one end of the spring (10) is fixedly connected with the T-shaped block (8), the other end of the spring is fixedly connected with the T-shaped groove (9), a plurality of groups of arc-shaped grooves (7) are formed in the opposite surfaces of the sliding ring (5) and the connecting through hole (14), the arc-shaped grooves (7) are arranged at equal intervals, and a magnetic ring (19) is fixedly connected in the sliding ring (5).

2. A rotating bracket for a rotor hub of a wind turbine according to claim 1, wherein: support body (1) one side is equipped with protective cover (15), protective cover (15) are close to support body (1) one side fixedly connected with joint ring (17), joint ring (17) joint is in joint groove (18), joint groove (18) are seted up in support body (1), support body (1) all is equipped with first screw rod (16) all around, first screw rod (16) run through joint ring (17) spiro union in support body (1).

3. A rotating bracket for a rotor hub of a wind turbine according to claim 1, wherein: the connecting block (13) is characterized in that mounting seats (11) are fixedly connected to two sides of the connecting block (13), two sets of second screw rods (12) are arranged in the mounting seats (11), and the mounting seats (11) are movably mounted in the support body (1) through the second screw rods (12).

4. A rotating bracket for a rotor hub of a wind turbine according to claim 1, wherein: the inner side of the sliding ring (5) is provided with a groove (6).