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What is the function of a universal transmission device?

1 Answers

CarolineRose

07/30/25 1:22am

The function of a universal transmission device is to connect the transmission output shaft and the main reducer input shaft that are not on the same straight line, and to ensure reliable power transmission even when the angle and distance between the two shafts frequently change. Universal transmission devices can be divided into the following two types: 1. Closed universal transmission device: It uses a single universal joint, with the drive shaft enclosed in a sleeve. The sleeve is connected to the frame via a ball joint and is fixedly connected to the drive axle. Its most notable feature is that the transmission housing acts as a thrust tube to transmit the vehicle's longitudinal force, thereby allowing the drive shaft housing to function as a longitudinal swing arm in the suspension system and guiding mechanism. 2. Open universal transmission device: It has a simple structure and is lightweight. Modern vehicles widely use open universal transmission devices. The universal transmission device is used to transmit power between two shafts whose relative positions constantly change during operation. Its function is to connect the transmission output shaft and the main reducer input shaft that are not on the same straight line, and to ensure reliable power transmission even when the angle and distance between the two shafts frequently change.

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