Hybrid driving type wind motor increasing gear case

Abstract

The invention relates to a combination-drive wind generator speed increasing gear box which is characterized in that: ring gears are arranged between a front box body and a rear box body and connected with each other in turn; a rear end cover is arranged on the rear box body; an input planet carrier and a sun gear are coaxial; a front end and a rear end of the input planet carrier are arranged on the front box body and the rear box body through bearings; three planet wheels are evenly arranged on the periphery of the input planet carrier and simultaneously meshed with the ring gears and the sun gear; one end of a sun gear shaft is connected with the input planet carrier through a bearing; an unclosed end face cover is arranged on an end part of the sun gear shaft; an end part on the other end of the sun gear shaft is connected with an output spline shaft through a spline; the output spline shaft passes through the rear box body; sealing devices are arranged on the connecting position of the front end of the input planet carrier and the front box body, in the unclosed end face cover on the connecting position of the input planet carrier and the sun gear shaft, and on the connecting position of the output spline shaft and the rear box body; lubricating pipes leading to the bearings are arranged inside the front box body, the rear box body and the input planet carrier.

Description

Technical field [0001] The invention relates to a gear box, in particular to a hybrid drive type wind power generator speed increasing gear box. Background technique [0002] Compared with traditional thermal power generation, the use of wind power has the advantages of non-polluting power generation. Compared with hydropower generation, it has the advantages of low infrastructure cost, small footprint, and convenient maintenance. For large-scale hydropower stations and reservoirs It is also easy to have certain safety risks downstream. In wind turbines, gearboxes are the key components of wind turbines. At present, in wind turbines used in my country, the main shaft is generally used to transmit torque from the hub to the gearbox, and the failure rate of the transmission part in the middle has been high. If the number of transmission stages from the hub to the generator can be reduced, the overall failure rate of the wind generator will be greatly reduced. Although planetary gea...

AI Technical Summary

Problems solved by technology

Although planetary gear trains are widely used in speed-up gearboxes for wind power generators, in the gear boxes of wind power generators, a first-stage planetary gear train is used and the front end of the input planet carrier is installed through a double-row tapered roller bearing. On the front box, the rear end of the input planet carrier is installed on the rear box through bearings, and the combination method of its input end passing through the front box has not been reported.

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