Sliding main bearing drive chain and wind turbine including same

Abstract

The invention discloses a sliding main bearing transmission chain and a wind turbine comprising the same. The sliding main bearing transmission chain comprises a bearing inner ring, a bearing outer ring, end surface pressing plates, two groups of axial sliding blocks and two groups of radial sliding blocks, wherein the two groups of axial sliding blocks are used for providing static-dynamic friction isolation and load transmission between the bearing inner ring / the bearing outer ring and the end surface pressing plates on the two sides, the two groups of radial sliding blocks are used for providing static-dynamic friction isolation and load transmission between the bearing inner ring and the bearing outer ring, and the two groups of radial sliding blocks are arranged at intervals in the axial direction. Compared with a rolling main bearing, the sliding main bearing transmission chain has the advantages that the bearing capacity is larger, the shock resistance is good, stable and reliable working is realized, the reliability of a fan is improved, manufacturing is easy, the production period is shortened, and the production cost is reduced; the end surface pressing plates are detachable, the axial sliding blocks and the radial sliding blocks can be replaced, and the service life of a bearing is long; and meanwhile, compared with a three-point contact sliding bearing, the frictionforce is reduced, so that the heating amount and the abrasion amount are reduced.

Description

technical field [0001] The invention relates to a sliding main bearing drive chain and a wind turbine comprising the same. Background technique [0002] Currently there is a direct drive drive train structure for wind turbines. This kind of transmission chain structure generally adopts the form of rolling main bearing. Such as a single double-row tapered roller bearing or two single-row tapered roller drive chains. The rolling main bearing of the transmission chain directly driven by the wind turbine has low load capacity, poor shock resistance, not stable and reliable work, not easy to manufacture, long production cycle, high production cost, impossible to maintain, and short service life of the bearing. [0003] At present, there are also wind turbines using sliding bearing technology, but the general maintainability is not high. Because sliding bearings have the disadvantages of greater heat generation and faster wear than rolling bearings. Contents of the invention ...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the low bearing capacity of the rolling main bearing of the wind turbine in the prior art, poor shock resistance, not stable and reliable work, not easy to manufacture, long production cycle, high production cost, and impossible maintenance. Short service life defect, providing a sliding main bearing transmission chain and a wind turbine including the same

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