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What is the function of the universal transmission device?

2 Answers

LincolnDella

07/28/25 4:52pm

The function of the 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. The universal transmission device mainly consists of universal joints, drive shafts, and intermediate supports. During installation, the universal joint forks at both ends of the drive shaft must be in the same plane. The universal transmission device is used to transmit power between two shafts whose relative positions constantly change during operation. Universal transmission devices can be divided into two types: 1. Closed universal transmission devices use a single universal joint, with the drive shaft enclosed in a sleeve. The sleeve is connected to the frame via a ball joint and fixedly connected to the drive axle. 2. Open universal transmission devices have a simple structure and are lightweight, making them widely used in modern vehicles.

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MacLuna

08/11/25 11:30pm

The universal joint transmission device, after driving for over twenty years, I feel it's like a flexible joint in the car. Its main role is to transfer power from the engine to the drive wheels, ensuring stable torque transmission without tangling even when the car turns or the components' angles change due to bumps. For example, in classic American muscle cars, this thing handles road condition changes exceptionally well, ensuring the wheels can steer freely without getting stuck. Without it, a rigid connection would cause the driveshaft to break, leading to strong vibrations while driving and an uncomfortable ride. For daily maintenance, I recommend regularly checking the wear on the universal joints and getting them repaired immediately if any abnormal noise is heard. Otherwise, it could lead to increased fuel consumption and even danger.

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