CN202484091U - Isolating block of wind power generator yaw bearing - Google Patents

Abstract

The utility model discloses an isolating block of a wind power generator yaw bearing, which adopts a solid cylindrical structure, wherein the two end surfaces thereof are provided with ball sockets; and a plurality of annular oil grooves coaxial with the ball sockets are formed at intervals in the surfaces of the ball sockets. The isolating block of the wind power generator yaw bearing can improve the rolling and lubricating states of the steel balls on the ball sockets.

Description

A kind of spacing block of wind driven generator yaw bearing

Technical field

The utility model relates to a kind of spacing block of wind driven generator yaw bearing.

Background technique

The wind driven generator yaw bearing is the core component of wind-driven generator, and it is a kind of large slewing bearing, its requirement be the life-span long, reliability is high, good stability, starting torque is little, rotation is flexible.This bearing comprises inner ring, outer ring and steel ball, and the outer circumferential face of inner ring is provided with raceway, also is provided with on the inner peripheral surface of outer ring and the corresponding raceway of inner ring raceway, and steel ball places between the raceway of inside and outside circle.This bearing is in operation process, because switching-over and impulsive load are to there being very big influence in working life of steel ball.For fear of the wearing and tearing of steel ball, guarantee the startup and the running accuracy of bearing, usually retainer or spacing block are set between adjacent steel ball, be used to isolate steel ball.Existing spacing block 1 is round column structure block 1 (see figure 1) that two end faces have ball-and- socket 11,12, the round column structure block axially have a through hole 10, between ball-and- socket 11,12 on the spacing block 1 and the steel ball for being slidingly matched.Because the spacing block of said structure has axial hole, makes the centre of ball-and-socket face swing sky, has influenced the rolling condition of steel ball on the ball-and-socket face.

Summary of the invention

The purpose of the utility model is in order to overcome the deficiency of existing technology, a kind of spacing block of wind driven generator yaw bearing to be provided, and it can improve rolling condition and the lubricating status of steel ball on ball-and-socket.

A kind of technological scheme that realizes above-mentioned purpose is: a kind of spacing block of wind driven generator yaw bearing; Be the solid cylinder body structure that two end faces have ball-and-socket, on the surface of said two ball-and-sockets respectively the compartment of terrain offer several annular oil grooves coaxial with said ball-and-socket.

The spacing block of above-mentioned wind driven generator yaw bearing, wherein, the quantity of said annular oil groove is two.

The technological scheme of the spacing block of the wind driven generator yaw bearing of the utility model; Cancelled axial hole; Make the surface of ball-and-socket become as a whole sphere, effectively improved steel ball at the lip-deep rolling condition of ball-and-socket, several annular oil grooves are set on the surface of ball-and-socket in addition; Make bearing have self-lubricating property, improved the lubricating status of steel ball on ball-and-socket.

Description of drawings

Fig. 1 is the structural representation of spacing block of the wind driven generator yaw bearing of existing technology;

Fig. 2 is the radial section figure of spacing block of the wind driven generator yaw bearing of the utility model;

Fig. 3 is the side view of spacing block of the wind driven generator yaw bearing of the utility model.

Embodiment

In order to understand the technological scheme of the utility model better, below through concrete embodiment and combine accompanying drawing at length to explain:

See also Fig. 2 and Fig. 3; The spacing block 2 of a kind of wind driven generator yaw bearing of the utility model; Be the solid cylinder body structure that two end faces have ball-and- socket 21,22, on the surface of these two ball-and- sockets 21,22 respectively the compartment of terrain offer two annular oil grooves 23,24 coaxial with ball-and- socket 21,22.

The spacing block of a kind of wind driven generator yaw bearing of the utility model has been cancelled the axial hole on original spacing block, makes the surface of ball-and-socket become as a whole sphere, effectively improved steel ball at the lip-deep rolling condition of ball-and-socket.Several annular oil grooves 23,24 are set on the surface of ball-and-socket in addition, make the driftage bearing have self-lubricating property, improved the lubricating status of steel ball on ball-and-socket.

Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model the above embodiment's variation, modification.

Claims (2)

1. the spacing block of a wind driven generator yaw bearing is characterized in that, said spacing block is the solid cylinder body structure that two end faces have ball-and-socket, on the surface of said two ball-and-sockets respectively the compartment of terrain offer several annular oil grooves coaxial with said ball-and-socket.

2. the spacing block of wind driven generator yaw bearing according to claim 1 is characterized in that, the quantity of said annular oil groove is two.

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