A Transmission Box Connecting Device Adaptable to Manufacturing Errors

Abstract

The invention belongs to the transmission case connecting technologies, aims to protect parts from being damaged due to manufacture and assembly errors and larger impact of an engine compartment and effectively protect a comprehensive transmission device and a transmission case, and provides a transmission case connecting device capable of adapting to manufacture errors. A transmission input shaft and a transmission input gear, the transmission input gear and a gear sleeve, a transmission case output gear shaft and the gear sleeve as well as the transmission case output gear shaft and a transmission case output gear are connected through splines; an O-shaped seal ring is put in a groove of a bearing seat, and the O-shaped seal ring and a transmission case are jointly connected with a side cover casing through a pressing plate; and the casing of the transmission case is pressed by the pressing plate, and the pressing plate and the side cover casing are connected through a fixed bolt. Part failure caused by manufacture and assembly errors can be effectively absorbed and weakened by means of the connecting plate adopting meshing clearance of a plurality of splines and the pressing plate; and the O-shaped seal ring is added between the transmission case and the comprehensive transmission device, so that the lubrication effect of the transmission case and a side cover can be better guaranteed.

Description

technical field [0001] The invention belongs to the transmission box connection technology, in particular to a transmission box connection device that can adapt to manufacturing errors. Background technique [0002] The tank and armored vehicle engine and the comprehensive transmission device are connected together by the transmission box, so whether the connection mode of the transmission box is reasonable or not affects the reliability of the power cabin. Currently, if figure 1 As shown, the connection mode of the power compartment with the engine horizontally placed, the transmission case and the integrated transmission device is that the transmission device input shaft 4A and the transmission case output spline shaft 3A are connected by spline 1A, and the transmission case housing 5A and the transmission device housing 6A Fasten with rigid bolts 2A and use end face sealing. Disadvantages of this connection method: Since the transmission box is connected to the engine a...

AI Technical Summary

Problems solved by technology

Disadvantages of this connection method: Since the transmission box is connected to the engine and the comprehensive transmission device, both ends are rigidly connected, when there are manufacturing and assembly errors, assembly difficulties and uneven force will occur

In addition, when the engine and the integrated transmission device are subjected to complex external excitation loads, the vibration will also cause uneven force on the transmission case shell, thereby aggravating the damage of connecting bolts and parts

In order to avoid damage, usually only thickening and thickening methods can be used for weak parts, resulting in excessive volume and weight

[0003] With the continuous increase of vehicle speed and engine speed, the speed of the transmission device has been continuously increased, from 2000 ~ 3000rpm to 5000 ~ 6000rpm. The impact of dynamic load on the transmission system is increasing. The previous connection method has been unable to meet the needs of new products. In order to meet the needs of research and development, the original connection method must be changed to overcome its existing problems

Images