CN217502314U

CN217502314U - Slewing bearing of wind power generation equipment

Info

Publication number: CN217502314U
Application number: CN202220871282.2U
Authority: CN
Inventors: 奚仁宽; 孙眺
Original assignee: JIANGSU RIGHT SLEWING RING CO Ltd
Current assignee: JIANGSU RIGHT SLEWING RING CO Ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-09-27
Anticipated expiration: 2032-04-15

Abstract

The utility model belongs to the technical field of slewing bearing, in particular to a slewing bearing of wind power generation equipment, which comprises a slewing bearing body, wherein the bottom of the slewing bearing body is fixed with a connecting ring, the outer wall surface of the connecting ring is provided with four limit grooves which are uniformly distributed in a surrounding way, a mounting frame is arranged below the slewing bearing body, the top surface of the mounting frame is provided with a ring seat, the middle of the top of the mounting frame is fixed with a screw rod, the outer ring of the screw rod is sleeved with a ring sleeve, the outer wall surface of the ring sleeve is provided with an annular groove, the inner part of the outer wall of the ring seat is rotatably connected with four clamping arms which are uniformly distributed in a surrounding way, the inner ends of the clamping arms are provided with convex blocks, the upper outer wall of the screw rod is in threaded connection with a nut, the inside of the limit grooves is provided with positioning grooves, the surface of the upper end inner wall of the clamping arms is fixed with positioning blocks, thereby solving the problems that the prior slewing bearing device is fixedly provided with a plurality of bolts and is not convenient for quick assembly and disassembly during maintenance and replacement, the working efficiency is influenced.

Description

Slewing bearing of wind power generation equipment

Technical Field

The utility model belongs to the technical field of slewing bearing, concretely relates to wind power generation equipment slewing bearing.

Background

Wind power generation has received high attention from various countries in the world in recent years due to its green and environmental protection, and the wind power industry has developed very rapidly. Therefore, the wind power generation bearing has wide market prospect. The steel ball bearing on the wind driven generator generally comprises: yaw bearing, change oar bearing, generator bearing. The wind driven generator works in the field all the year round, is directly exposed to rain, snow and sunlight in the using process, and has the characteristics of severe using environment and high maintenance cost. Therefore, high requirements are provided for the overall operation stability, impact resistance and service life of the generator set, and the conventional rotary supporting device is fixedly installed by a plurality of bolts, so that the rotary supporting device is inconvenient to rapidly assemble and disassemble during maintenance and replacement and influences the working efficiency; in view of the problems exposed during the use of the current slewing bearing, there is a need for improvement and optimization of the structure of the slewing bearing.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a wind power generation equipment slewing bearing has and only can accomplish through adjusting a nut that the installation to slewing bearing is fixed, and slewing bearing body installation after-fixing more firm characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: wind power generation equipment slewing bearing, including the slewing bearing body, the bottom of slewing bearing body is fixed with the go-between, four evenly encircle the spacing groove that distributes are seted up to the outer wall surface of go-between, the below of slewing bearing body is equipped with the mounting bracket, the top surface of mounting bracket is equipped with the ring seat, be fixed with the screw rod in the middle of the top of mounting bracket, the outer lane cover of screw rod has the ring cover, the annular has been seted up on the outer wall surface of ring cover, the outer wall internal rotation of ring seat is connected with four evenly around the centre gripping arm that distributes, the inner of centre gripping arm is equipped with the lug, the top outer wall threaded connection of screw rod has the nut.

As the utility model discloses a preferred technical scheme of wind power generation equipment slewing bearing, the constant head tank has been seted up to the inside of spacing groove, the upper end inner wall fixed surface of centre gripping arm has the locating piece.

As the utility model discloses a preferred technical scheme of wind power generation equipment slewing bearing, the lug is located the inside of annular.

As the utility model discloses a preferred technical scheme of wind power generation equipment slewing bearing, the outer wall cover of screw rod has two to closing the elastic gasket of equipment.

As the utility model discloses a preferred technical scheme of wind power generation equipment slewing bearing, the slot that a plurality of evenly encircles the distribution is seted up to elastic gasket's outer fringe is inside.

As the utility model discloses a preferred technical scheme of wind power generation equipment slewing bearing, the elastic gasket is the dish-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the slewing bearing body is placed at the top of the ring seat, the ring sleeve is pushed to move downwards by rotating and screwing the nut, the ring sleeve pushes the lug to drive the clamping arm to turn inwards through the upper end of the inner wall of the ring groove, so that the clamping arm is tightened inwards to clamp and fix the slewing bearing body, and meanwhile, the upper end of the clamping arm is inserted into the limiting groove; through rotatory unscrew nut, can upwards promote the ring cover through the pressure that elastic gasket self kick-backed, the ring cover drives the outside upset of centre gripping arm for the centre gripping arm opens, can dismantle the slewing bearing body, makes only can accomplish fixed to slewing bearing's installation through adjusting a nut.

When the slewing bearing body is fixed by the clamping arm in a clamping mode, the positioning block fixed on the surface of the inner wall of the upper end of the clamping arm is inserted into the positioning groove in the limiting groove, and the slewing bearing body is more firmly fixed after being installed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural diagram of a pivoting support of the present invention;

fig. 3 is a schematic sectional structure view of the mounting base of the present invention;

FIG. 4 is a schematic sectional view of the present invention;

FIG. 5 is a schematic structural view of the elastic pad of the present invention;

in the figure: 1. a slewing bearing body; 2. a connecting ring; 3. a limiting groove; 4. positioning a groove; 5. a mounting frame; 6. a ring seat; 7. a screw; 8. sleeving a ring; 9. a ring groove; 10. a clamp arm; 11. a bump; 12. positioning blocks; 13. a nut; 14. an elastic pad; 15. and (4) a groove.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a slewing bearing of wind power generation equipment comprises a slewing bearing body 1, a connecting ring 2 is fixed at the bottom of the slewing bearing body 1, four limiting grooves 3 which are uniformly distributed in a surrounding manner are formed in the surface of the outer wall of the connecting ring 2, a mounting frame 5 is arranged below the slewing bearing body 1, a ring seat 6 is arranged on the surface of the top of the mounting frame 5, a screw 7 is fixed in the middle of the top of the mounting frame 5, a ring sleeve 8 is sleeved on the outer ring of the screw 7, a ring groove 9 is formed in the surface of the outer wall of the ring sleeve 8, four clamping arms 10 which are uniformly distributed in a surrounding manner are rotatably connected inside the outer wall of the ring seat 6, a convex block 11 is arranged at the inner end of each clamping arm 10, and a nut 13 is in threaded connection with the outer wall above the screw 7 in the embodiment of the slewing bearing body 1 is placed at the top of the ring seat 6, the ring sleeve 8 is pushed to move downwards by rotating and the convex block 11 is pushed by the upper end of the inner wall of the ring groove 9 to drive the clamping arms 10 to turn inwards, so that the clamping arm 10 inwardly tightens to clamp the fixed slewing bearing body 1 and simultaneously the upper end of the clamping arm 10 is inserted into the inside of the limiting groove 3.

Specifically, constant head tank 4 has been seted up to spacing groove 3's inside, and the upper end inner wall fixed surface of centre gripping arm 10 has locating piece 12, and when the fixed slewing bearing body 1 of centre gripping arm 10 centre gripping in this embodiment, the locating piece 12 of the upper end inner wall fixed surface of centre gripping arm 10 inserts the constant head tank 4 of spacing groove 3 inside simultaneously for slewing bearing body 1 installation back is fixed more firmly.

Specifically, the protrusion 11 is located inside the ring groove 9, and in this embodiment, when the ring sleeve 8 moves upward, the protrusion 11 is pushed by the lower end of the inner wall of the ring groove 9 to drive the clamping arm 10 to turn outward; when the ring sleeve 8 moves downwards, the lug 11 is pushed by the upper end of the inner wall of the ring groove 9 to drive the clamping arm 10 to turn inwards.

Specifically, the outer wall of the screw 7 is sleeved with two elastic gaskets 14 assembled in an involutory manner, in this embodiment, after the nut 13 is unscrewed by rotation, the ring sleeve 8 can be pushed upwards by the pressure of the elastic gasket 14 rebounding, and the ring sleeve 8 drives the clamping arm 10 to turn outwards, so that the slewing bearing body 1 can be installed and detached after the clamping arm 10 is opened.

Specifically, a plurality of grooves 15 which are uniformly distributed in a surrounding manner are formed in the outer edge of the elastic gasket 14, so that the elastic gasket 14 has a space which is sufficiently contracted when being extruded in the embodiment.

Specifically, the elastic pad 14 is a disc-shaped structure, so that the closer the elastic pad 14 is pressed to the flat state, the faster the tension moment is increased; when the nut 13 is tightened to push the collar 8 downward, the collar 8 is pushed in reverse by the elastic washer 14.

The utility model discloses a theory of operation and use flow: firstly, the slewing bearing body 1 is placed at the top of a ring seat 6, a ring sleeve 8 is pushed to move downwards by rotating a screwing nut 13, the ring sleeve 8 pushes a lug 11 to drive a clamping arm 10 to turn inwards by pushing the upper end of the inner wall of an annular groove 9, so that the clamping arm 10 inwards tightens and clamps the slewing bearing body 1, the upper end of the clamping arm 10 is inserted into a limiting groove 3, and a positioning block 12 fixed on the surface of the inner wall of the upper end of the clamping arm 10 is inserted into a positioning groove 4 in the limiting groove 3, so that the slewing bearing body 1 is more firmly fixed after being installed; when the rotary support is disassembled, the nut 13 is unscrewed in a rotating mode, the ring sleeve 8 can be pushed upwards through the pressure of the elastic gasket 14 rebounding, the ring sleeve 8 drives the clamping arm 10 to turn outwards, the clamping arm 10 is opened, and the rotary support body 1 can be disassembled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Wind power generation equipment slewing bearing includes slewing bearing body (1), its characterized in that: the bottom of slewing bearing body (1) is fixed with go-between (2), the outer wall surface of go-between (2) has been seted up four evenly around spacing groove (3) that distribute, the below of slewing bearing body (1) is equipped with mounting bracket (5), the top surface of mounting bracket (5) is equipped with ring seat (6), be fixed with screw rod (7) in the middle of the top of mounting bracket (5), the outer lane cover of screw rod (7) has ring cover (8), annular (9) have been seted up on the outer wall surface of ring cover (8), the inside rotation of outer wall of ring seat (6) is connected with four evenly around centre gripping arm (10) that distribute, the inner of centre gripping arm (10) is equipped with lug (11), the top outer wall threaded connection of screw rod (7) has nut (13).

2. Wind power plant slewing bearing according to claim 1, characterized in that: the positioning groove (4) is formed in the limiting groove (3), and the positioning block (12) is fixed on the surface of the inner wall of the upper end of the clamping arm (10).

3. Wind power plant slewing bearing according to claim 1, characterized in that: the lug (11) is positioned inside the annular groove (9).

4. Wind power plant slewing bearing according to claim 1, characterized in that: the outer wall of the screw rod (7) is sleeved with two oppositely assembled elastic gaskets (14).

5. Wind power plant slewing bearing according to claim 4, characterized in that: a plurality of grooves (15) which are uniformly distributed in a surrounding manner are formed in the outer edge of the elastic gasket (14).

6. Wind power plant slewing bearing according to claim 4, characterized in that: the elastic gasket (14) is of a disc-shaped structure.