1. Why doesn't the tipper trailer lift?

2. What are the important hydraulic components of the hydraulic lifting system and what role does each play?

3. How to solve the climbing problem during the lift of tipper trailer?

4. How the Tipper semi trailer is designed to reduce the overall height

Why doesn't the tipper trailer lift?

If tipper trailer does not lift, check the following components. Check the power take-off: the first check whether the drive shaft connected to the oil pump rotates. If it does not rotate, it means that there is a problem with the power take-off; if it rotates, it means the power take-off is ok, and you should check further down.

1. Check the oil pump: whether the rotation direction of the oil pump is correct. Extend your left hand, with your thumb facing the oil pump spline, and the rotation direction of the other fingers is the same, it is a left-handed pump, otherwise, it is a right-handed pump. Whether the oil pump is damaged. The wear of the oil pump will cause the high and low-pressure chambers of the oil pump to communicate and fail to pump oil.

2. Check the distribution valve: whether there is gas in the air pipe on the distribution valve. Press the lifting and lowering switches, and check whether the two air pipes on the distribution valve have air. If there is no gas, it means that the solenoid valve that controls the lifting and lowering is faulty, and the solenoid valve should be replaced. Whether the distribution valve is damaged.

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What are the important hydraulic components of the hydraulic lifting system and what role does each play?

The oil pump supplies oil; the one-way valve controls the flow direction of the oil; the distribution valve (rotary valve) controls the lifting and lowering of the car box; the oil cylinder generates thrust.

Why is the car lowered when the lift switch on the dashboard is pressed, and the car lifts when the lower switch on the dashboard is pressed?

This is caused by the reverse connection of the solenoid valve that controls the lifting and lowering. There are three ways to eliminate: swapping the wires of the lifting and lowering switches on the dashboard; swapping the wires of the solenoid valve that controls the lifting and lowering; swapping the two air pipes of the distribution valve.

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How to solve the climbing problem during the lift of tipper trailer?

Sometimes during the lifting process of the car, there will be a climbing phenomenon. This phenomenon is mostly caused by the air intake in the hydraulic system and the oil cylinder is filled with oil and gas mixture. And the lifting speed of the carriage is not adjustable. Falling too fast is a malfunction.

Sometimes when the power take-off takes off the power, the gear pump makes a rapid "click, click...", which is mostly caused by insufficient oil intake of the oil pump. This phenomenon appears in the new 3 axle tipper trailer, which may be caused by the oil pump inlet pipe being too thin or the inlet pipe being deflated. The oil inlet pipe should be thickened and the oil inlet pipe with high strength and hardness (with steel wire in the tubing) should be used; the tipper semi has been used for a period of time.

Trailer, it may be that the oil inlet pipe is aging and deflated, or the filter screen of the oil outlet of the oil storage tank is blocked, causing the oil to enter the oil well. If all possibilities have been ruled out, then only the oil pump is damaged, and the oil pump should be replaced in time.

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How the Tipper semi trailer is designed to reduce the overall height

It is not so easy for a 80 ton tipper trailer to exceed the height limit. The difficulty is that the height of the front cylinder of the rear tipping dump is generally about 3.4 meters, and the installation space is fixed. It is difficult to reduce the overall height from the installation position of the movable top seat.

To solve this problem, it is necessary to work hard on the tipper trailer's own structure. The oil cylinder is the main part of the rear dumping material. Through the expansion and contraction of the oil cylinder, the car body can be tilted.

The telescopic stroke of the cylinder determines the inclination angle of the box. Generally, taking the 8.5m backflip as an example, the fully extended stroke of the cylinder is about 6.18 meters. The inclination angle of the box is greater than 30 degrees to meet the general unloading needs. The grade oil cylinder is generally divided into 5 sections, which are extended one by one according to the cylinder diameter from large to small when extending.

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If you want to reduce the height of the cylinder, you can actually adjust the cylinder’s structure, that is, make the cylinder’s piston rod 6 sections. Although the stroke of each section is short, but the number of sections is larger, so that the 6.18 meters can be guaranteed. The extended stroke can also reduce the height of the cylinder when the cylinder is fully retracted, thereby reducing the overall height of the vehicle.

The announcement style can be selected without a top hat, equipped with a height adjustment rod, as evidenced by examples, the minimum height limit rod of 2.8 meters can be passed.

You can learn about different types of semi tipper trailers, such as u shape dump semi trailer, side tilted dumper trailer, container tipper trailer, tipping chassis trailer. And the process, testing, packaging and customer feedback, etc.This kind of semi trailer was designed with lots of advantages and features. If you want to get more information, please don't hesitate to make contact with us.