The power passes through engine Joint gearbox, then passes through the main screw bevel gear (3) and large bevel gear at proper angle, then transmit to drive differential case (19) and (20). When the differential case (19), (20) was driven, the cross (8) is moved and drive halfshaft (13) and (12). Use the bolt (5) to adjust the preload of main screw bevel gear (3). The gear surface contact length, clearance and preload of large screw bevel gear (11) can be adjusted by using of the adjusting shims (6), (9) and (10). For the vehicle equipped with such differential lock device, when change the driving direction of vehicle, one side of vehicle rotate quickly and other side rotate slowly.
For example, if turning left, the right wheel should rotate faster than the left wheel; otherwise the vehicle can’t turn smoothly. Meanwhile, due to the installation of differential device, it will ensure the wheel will automatic adjust the rotation speed of right and left wheel according to different resistance on the ground. In such way, the vehicle can turn left smoothly. The differential lock device is composed of the following parts:
cross (8) with gear is mounted at left and right end, the middle engaging wheel is mounted in the middle as one integer; gears on both surfaces, one surface is engaged with driven clutch (18) and other surface is engaged with cross, they all are connected together through the side gear and spline. Cross holder Intermediate gear Driven clutch 20-46