Air-cut brake device for agricultural vehicle
A technology of air brakes and agricultural vehicles, which is applied in the direction of brake transmission, vehicle parts, transportation and packaging, etc., and can solve problems such as easily damaged gearboxes, easy wear of gears, and reduced service life of gears
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[0021] Example 1
[0022] During the driving of the agricultural vehicle, when the driver steps on the brake pedal 12, the brake push rod 11 hits the brake valve 6. At this time, the compressed air of the air tank 5 is filled into the two air chambers through the foot control quick release valve 10 8. Push the diaphragm of the air chamber 8 to push the air chamber push rod 15 forward, so that the brake eccentric cam lever 16 rotates an angle, and the brake eccentric cam lever 16 rotates while propping the brake pad 14 apart. At this time, the brake pad 14 and The brake drum 13 generates friction, so that the brake drum 13 stops rotating. Since the brake drum 13 is fixedly mounted on the rear wheel 17 and rotates at the same speed as the rear wheel 17, when the brake drum 13 stops rotating under frictional force, the rear wheel 17 also stops rotating at the same time, achieving the effect of service braking.
Example Embodiment
[0023] Example 2
[0024] When the agricultural vehicle stops, the driver pulls the manual control valve 7. At this time, the compressed air of the air tank 5 is filled into the two air chambers 8 through the manual quick release valve 9, and the diaphragm of the air chamber 8 is pushed to push the air chamber push rod 15 forward , The brake eccentric cam lever 16 is rotated by an angle, the brake eccentric cam lever 16 rotates and the brake pad 14 is stretched at the same time. At this time, friction between the brake pad 14 and the brake drum 13 occurs, making the brake drum 13 unable to rotate. Since the brake drum 13 is fixedly mounted on the rear wheel 17 and rotates at the same speed as the rear wheel 17, when the brake drum 13 cannot rotate due to friction, the rear wheel 17 cannot rotate at the same time, achieving the effect of parking brake.
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