Browse Publications Technical Papers 2018-01-1301
2018-04-03

Manual Gear Shifting Mechanism Integrated with Cabin Tilting Provision by Providing Telescopic Rod Type Arrangement with Cam and Follower Mechanism 2018-01-1301

In manual driven vehicle, gear change mechanism is a component that is too often taken granted but it is one of the most important feature of the vehicle. Customer touches, feels the entire vehicle through gear shift mechanism hence it must be quick and smooth in action, efficient and totally reliable. In cab over engine type truck configuration, the mechanical single rod is preferable and best efficient option for gear shift mechanism. In conventional single rod design, one end of gear shifting linkage is mounted on the engine through bracket and the lever comes inside from the cabin, beside the driver seat for changing the gears. Another end of this linkage is connected to vehicle transmission shift lever. In this conventional design, gear shift lever is having huge induced vibration, which is irritating and frustrating in nature.
And during the cabin tilting at its axis, a cut out is required on cabin floor which allows cab tilting when GSL is mounted on engine. Sealing this cut out from engine heat, hot air and noise is a challenge.
An attempt is made to provide a highly efficient single rod gear shifting mechanisms with telescopic type arrangement, and also it is integrated with a unique cam & follower mechanism to ensure cabin tilting operation at its given axis. This system is independent of the engine placement on the chassis. Also it is vibration free, totally isolated from engine heat & noise as it doesn’t require any bigger cut out on cabin floor. Proof of concept is already being done on the validation truck.

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