Gearbox control mechanism of motor grader DZ-98B
The mechanism serves for engaging the step-up gear,also for engaging or disengaging the front axle drive.It comprises two mechanisms:
1) engaging of travelling mode;
2) engaging or disengaging of the front axle drive.
1- front axle drive flange;
2- adjustable tie;
3- front axle engagement lever;
4- step-up gear engagement lever;
5- cab floor;
6- power transmission unit
The travelling mode engaging mechanism consists of lever 4 attached on the shaft.The latter is installed in the clutch control mechanism housing. Attached on the shaft is the lever hinge-connected to tie 2 which, in its turn, is linked to the gearbox lever.
The front axle drive engaging or disengaging mechanism consists of lever 3 secured on the shaft,a lever fastened on this shaft, tie 2 hinge-connected with this lever and with the lever of the gearbox.The length of tie 2 is adjustable during operation, thus a conventient disposition of the levers and their easy shifting is achieved.