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High speed driving mechanism

A high-speed transmission and transmission shaft technology, applied in transmission devices, mechanical equipment, gear lubrication/cooling, etc., can solve problems such as failure to meet test requirements, easy heating of bearings, easy bearing damage, etc., to ensure good operation, increase speed, Noise reduction effect

Inactive Publication Date: 2009-02-04
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the former is that the speed is low, and the high speed can only reach 8000-10000 rpm, which cannot meet the test requirements.
Although the latter has a slight increase in speed, the highest speed can only reach 10,000 rpm, and it also has the disadvantages of easy heating of the bearing, so the bearing is easy to be damaged, and the equipment has large vibration and noise.

Method used

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Embodiment Construction

[0008] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0009] The high-speed transmission mechanism provided by the present invention includes a motor 1, a belt transmission device 2, a transmission shaft 3, a bearing frame 10, a coupling 4 and a coupling 5, such as figure 1 Shown.

[0010] Among them, the motor 1 can select various suitable types of motors, such as a variable frequency motor, a high-speed motor, etc., according to needs, and is preferably a variable frequency motor.

[0011] The belt drive device 2 connects one end of the drive shaft 3 and the motor 1. The belt transmission device 2 includes a large pulley 7, a small pulley 8 and a belt 9 connecting the large pulley 7 and the small pulley 8. The large pulley 7 is connected to the motor 1, and the small pulley 8 is connected to one end of the transmission shaft 3. Through the belt transmission device 2, the rotation speed of the motor 1 can be transmit...

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Abstract

A high-speed drive mechanism with high speed and low vibration and noise is composed of motor, bearing units with the channels of lubricating oil and cooling water, driver axle supported by bearing units, belt drive unit between said motor and drive axle, axle to be driven, and axle coupling between drive axle and driven axle.

Description

Technical field [0001] The invention relates to a transmission mechanism, and more specifically, to a high-speed transmission mechanism used for generator performance and durability tests. Background technique [0002] At present, there are roughly two types of high-speed transmission mechanisms commonly used on test benches for performing generator performance and durability tests: One type uses variable frequency motors to achieve two-stage transmission speed increase through V-belts or V-belts, which are directly driven by belts. The generator pulley rotates. The other is to use a high-speed motor to drive the drive shaft to connect the lock nut of the generator through a coupling, thereby driving the generator main shaft to rotate. The disadvantage of the former is that the speed is low, and the high speed can only reach 8000~10000 rpm, which cannot meet the test requirements. Although the latter has a slight increase in speed, the highest speed can only reach 10,000 rpm, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/02F16H57/04F16D3/64
Inventor 吕成江郑建中
Owner BYD CO LTD