1. First of all, the specifications of the car body must meet the requirements of, and the main parameters of the specifications shall comply with the public notice.
2. For the outsourcing parts and purchased parts, the factory certificate of the manufacturer must be provided, and the relevant standard requirements shall be met. The inspection of the concrete mixer manufacturer shall be carried out before they can be used.
3. The total mass of the concrete mixer truck installed by the manufacturer of 3m3 concrete mixer truck shall not exceed the high value allowed by the public notice, and the steering axle load mass and roll stable angle shall meet the relevant requirements.
4. The welding of 3m3 concrete mixer tank shall be evenly distributed and vertical, and the surface shall be free of burr, sand and crack.
5. For all exposed metal, the surface must be antirust, and the body shape and decoration should be unique and meet the relevant requirements.
The allowable time of 6.3m3 concrete mixer from feeding to the end of conveyor dumping shall not exceed 80 minutes, and the continuous transportation of tank truck shall not exceed 300 revolutions according to the regulations. The speed of concrete mixer truck during driving shall not exceed 60 km / h.
7. The ready mixed concrete must be transported to the place of supply in a long distance within the required time, and the quality of concrete must meet the standard.
8. The size of the outlet of the feed inlet shall not be less than 600mm, and the distance between the pavement and the pavement shall not be more than 3.9m.
9. The feeding speed of 3m3 concrete mixer should not be less than 2.6m? / mln, the feeding speed should be more than 0.65M? / mln, and the residual rate of feeding material should be between 2% and 5%.
5. All components of the vehicle must be installed firmly, and the access parts shall not be damaged or deformed.
4. Under the condition of large total mass of the vehicle, there should be no concrete outflow when driving on the ramp.
12. The brake system of the car must meet the requirements, and the emission standard of the car should also meet.
13. Each sealing performance of the car body must be good, and no water seepage is allowed on all protruding surfaces, pipe joints and all connecting parts.
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