Ratchet parking brake device for wheeled tractors
A technology for wheeled tractors and braking devices, which is applied to manual starting devices, brake actuators, gear shifting mechanisms, etc. Good moving effect, reliable operation and accurate return
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[0018] See Figure 1-9 As shown, the wheeled tractor ratchet parking brake device of the present invention includes a limit plate 2 , a joystick 1 , a rocker arm assembly 3 , a hinge plate 4 , a camshaft 8 and a ratchet assembly 7 .
[0019] See Figure 1-7 As shown, the limiting plate 2 of the present invention is provided with a guide groove 2-1 formed by connected long slots and short slots, so that the joystick 1 moves along the guide groove 2-1, and the length of the guide groove 2-1 End B of the slot is the parking brake release position, and end A of the short slot is the parking brake position.
[0020] See Figure 1~6 And as shown in 8 and 9, the rocker arm assembly 3 of the present invention includes a rocker arm 3-1 and a rocker shaft 3-3 and an upper pin 3-2 respectively fixed on both sides of the rocker arm 3-1, and the joystick 1 passes through The guide groove 2-1 on the limit plate 2 is also hinged with the rocker shaft 3-3, and the rocker shaft 3-3 is rotat...
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