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Features of powder material truck

Apr. 10, 2021

1. Frame and traction pin: The frame is a space frame type low-alloy steel welded structure. The frame is welded by two T-shaped longitudinal beams and cross beams to support the load. There are traction pins and traction pin plates under the front part of the frame that are connected with the tractor, and the specification is No. 90. The traction pin adopts assembly type, which is easy to replace. The front cross beam of the frame is equipped with an air brake connector and a wire connection socket. The front and back and sides of the frame are equipped with lighting or signaling devices.

2. Suspension system: The lower part of the longitudinal beam is welded with a suspension device to support, and the front lower part is equipped with a support device support. The suspension system is a three-axis leaf spring suspension, which is used to support the load and absorb driving vibration. The leaf spring suspension system is fastened to the axle body with U-shaped bolts.

The parking brake is controlled by an energy-storage spring brake system, and the wheel brake doubles as the parking brake. Use this device when parking or standing on a slope.

3. Axles and wheels: Three axle assemblies with the same structure are installed under the suspension system. The axle is a square tube axle, and the axle body is provided with a platform for installing a leaf spring suspension and a bracket for installing a brake air chamber. The axle head is used to install wheels, hubs and brakes.

4. Supporting device: In order to make the semi-trailer safely park after being separated from the index car, there are two supporting devices for left-right linkage or left-right single-action at the front end of the frame. It is composed of a screw drive mechanism, a bevel gear drive mechanism, a two-speed reduction box, a transmission rod, an operating handle, etc. When the handle is pushed in, it can be rotated at a high speed, and when the handle is pulled out, it can be rotated at a low speed. When the base touches the ground, only low-speed gear can be used for lifting.

5. Brakes and their operating devices: The semi-trailer adopts a dual-pipe pneumatic braking system and is equipped with an anti-lock braking system (ABS). The service brake system is mainly composed of air joints, inflation pipelines, operating pipelines, emergency relay valves, air reservoirs, brake air chambers and wheel brakes. The air joint of the inflation pipeline is connected with the air tank of the tractor, and the air joint of the operation pipeline is connected with the brake valve of the tractor. When the semi-trailer brakes, each brake chamber acts simultaneously. When the driver steps on the brake pedal, the brake chambers of the semi-trailer function to achieve normal foot braking. When the inflation pipe leaks or bursts, or the tractor suddenly disconnects from the semi-trailer during driving, the semi-trailer can automatically brake. When the car and train are stopped and the tractor is separated from the semi-trailer, the semi-trailer can brake by itself. If the parking time is short, the parking brake is not necessary.

6. Electrical system: The semi-trailer is equipped with an international electrical system compatible with the tractor. There is an electrical connector socket on the front cross beam of the frame. Brake lights, turn signals, stop lights, reversing lights, license plate lights, fog lights and triangle reflectors are provided at the rear of the frame, and front position lights and width lights, side marker lights, and front right are provided on the front and both sides Equipped with ABS indicator light. The voltage of various lamps is DC 24V. 7. Tank body: The tank body is an all-metal welded part. The tank body is a sealed container filled with materials formed by ordinary carbon structural steel plate flow circle butt joints and stamped head welding, with a volume of 55m3. There are manholes and walkways on the top for loading, unloading and maintenance personnel to enter the tank. There is a fluidized bed air chamber in the tank. The air chamber is composed of a sliding plate and an air bag, so that the compressed air is discharged from the discharge pipe after fluidizing the powder material in the air bag. The seal head is cut by a plasma numerical control cutting machine, and then it is formed by spinning once with an imitating edger to increase the strength. Manual knocking and flanging are not allowed to avoid material damage;

8. External power and air compressor: Externally mounted Weichai 4100 engine and Wuhu 10.00 vehicle air compressor unit to ensure sufficient air pressure when unloading the entire vehicle.


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Предыдущий: Tank truck repair and maintenance
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