A large-diameter combined support raceway worm gear reducer

Abstract

The invention relates to a large-diameter combined type supporting raceway worm gear reducer which comprises a base (1). The base (1) comprises a shaft casing (1.1) and a base ring (1.2), wherein the shaft casing (1.1) and the base ring (1.2) are connected into a whole. A worm gear ring (2) is arranged in the base ring (1.2). A worm (4) is arranged in the shaft casing (1.1). An end cover (3) is arranged below the worm gear ring (2). Supporting raceways (6) are arranged between the worm gear ring (2) and the base ring (1.2) and arranged between the end cover (3) and the base ring (1.2). Rails (7) are arranged in the supporting raceways (6). Steel balls (8) are arranged in the rails (7). According to the large-diameter combined type supporting raceway worm gear reducer, the size of the supporting raceways is large, and the size of a transmission gear is small, so that the purpose of overcoming large overturning moment and small twisting moment is achieved. Meanwhile, the large-diameter combined type supporting raceway worm gear reducer has the advantages of being reliable in sealing and compact in structure.

Description

technical field [0001] The invention relates to a large-diameter combined support raceway worm gear reducer, which is widely used in various transmission mechanisms, especially for azimuth transmission of solar power generation trackers. Background technique [0002] At present, in the azimuth transmission of the tracking power station for solar power generation, a large number of worm gear reducers with slewing support structure are used, which have the advantages of large transmission ratio, stable transmission, self-locking, and can withstand axial force, radial force and tipping Torque, the disadvantages are: 1. The characteristic of azimuth transmission is that it requires a large tipping moment and a small transmission torque, while the reducer with a slewing support structure has a slewing gear on the outside of the slewing support outer ring, and the support raceway is outside. The inner side of the ring, a larger tipping moment requires a larger supporting raceway s...

AI Technical Summary

Problems solved by technology

[0002] At present, in the azimuth transmission of the tracking power station for solar power generation, a large number of worm gear reducers with slewing support structure are used, which have the advantages of large transmission ratio, stable transmission, self-locking, and can withstand axial force, radial force and tipping Torque, the disadvantages are: 1. The characteristic of azimuth transmission is that it requires a large tipping moment and a small transmission torque, while the reducer with a slewing support structure has a slewing gear on the outside of the slewing support outer ring, and the support raceway is outside. The inner side of the ring, a larger tipping moment requires a larger supporting raceway size, although a smaller transmission torque does not require a larger gear size, but the structure determines a larger gear size, resulting in a larger reducer size , the structure of the slewing bearing is complicated and the cost is high; 2. The reducer with the slewing bearing structure is difficult to seal, the sealing life is low, and the reliability is poor

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