Application of Bottom Tipping Semi-trailer:
The dump trailer is suitable for transporting various kinds of steel, ore balling, cement clinker and grains. It is an ideal heavy duty truck for steel-production factories, power and light companies and foodstaffs departments etc.

Descriptions of QDZ9350TDL Bottom Tipping Semi-trailer:
-Double bridge semi-trailer;
-Carriage volume: 22m³;
-Max. carrying capacity: 26.8 ton;
-Curb weight: 35 ton;
-It is convenient to load and unload goods or materials;
-The carriage and the frame is integrated;
-The side plates of the carriage is elliptic type so the volume is enlarged and the appearance is also beautiful.
-The front and back plates of the carriage is tilting type so the goods or materials can flow downward automatically;
-It can also unload goods or materials from the bottom outlet.

Parameters of Bottom Tipping Semi-trailer:

Semi-trailer	Dimensions	Dimensions (L×W×H) (mm)	9300×2500×2900
		Carriage sideboard Dimensions (L×W×H) (mm)	7000×2470×2100
		Carriage Volume (m3)	22
		Wheelbase(mm)	6290+1300
		wheel-center-distance (mm)	1840
		Front Overhang/Rear overhang (mm)	848/858
		Departure Angle (° )	43
	Weight	Curb Weight (kg)	8200
		Rated Carrying-capacity (kg)	26800
		Gross Weight	35000
		Max. Saddle Weight (kg)	15517
Rear Axle	Specification		16t
Braking Systems	Service Breaking System		Double Loop Break
	Parking Breaking System		Exhaust Break
	Emergency Breaking System		Exhaust Break
Suspension	Mode		Duplex
	No. of Spring Leaf		9
	Type		BH-150
Outrigger	Model		Two-speed Gear & Screw Lifting
	Manufacturer		WEIBEI Machine Making Factory

Basic Structure of Bottom Tipping Semi-trailer:
1. Frame of the Trailer
- Rectangular Frame Construction;
- Rational longitudinal beam and cross beam structure enable the frame stress rationally;
- Reinforcing plate and strengthening rib are installed in strong-force area.

2. Carriage of the trailer
- Funnel type carriage and elliptic type side board;
- Strengthening ribs are distributed inside of the carriage;
- Tilting type front board and back board;
- Backflow board is equipped to ensu
re goods or materials can flow to the bottom discharging hole and ensure all materials can be unloaded; - There are 3 discharging holes at the bottom of the carriage and 3 flashboards are equipped to close the discharging holes;
- 3 flashboards are connected by a connecting board in order to guarantee the sealing ability of the discharging holes while closed the flashboards.

3. Open and close device of the flashboards
- Two air cylinders or hydraulic cylinders are installed on each side of the flashboards. The cylinders are used to drive the flashboards.

4. Pneumatic System and Control System
- Pneumatic System:
The given pressure is 0.6MPa; please don’t modify it at will.
An oil cup is installed at the bottom of the Oil Mist Device. It should be filled with engine oil to prolong the service life of the cylinder. Refill it on time.

- Working Principle of Bottom Tipping Semi-trailer: 5. Manual Unloading Mechanism
Manual unloading mechanism is available for the install of gear, gear rack and hand-operating handle. We can still unload goods when the pneumatic system is out of order.

6. Spare Wheel Devices
- Manual Hydraulic Lifting system;
- Storage rack;
- Manual-operating piston pump etc.
- Two spare wheels can be stored.

7. Toolbox & Staircase
Toolbox & Staircase are provided, so it is more convenient for operation.

8. Outrigger
Out trigger is installed in the front part of the dump trailer, so the semi-trailer can be connected and removed.