Quality appraisal of wet spray machinery trolley

wet spray trolley, also called irrigation spray truck, is a vehicle equipment that can irrigate and spray various plants such as lawns, orchards, flowers, fields, etc. Wet spray trolleys generally consist of a frame, water pump, water tank, spray pipeline, three-point suspension mechanism, etc.
Zhongke Testing and Appraisal Institute can provide quality appraisal services for hydraulic concrete wet spraying machines, rotor-type concrete wet spraying machines, truck-mounted concrete wet spraying machines and other wet spraying mechanical trolleys, and make accurate appraisals in aspects such as product design analysis, load analysis and product quality analysis.

Common concrete wet spraying machines are generally divided into several categories: hydraulic concrete wet spraying machines, rotor-type concrete wet spraying machines, vehicle-mounted concrete wet spraying machines, and large concrete wet spraying manipulators.

1, "Appraisal Letter of Authorization", "Indictment", "Appraisal Application", "Transcript" provided by the client to our unit,
2, "Appraisal Meeting Minutes", "Supply Order", "Wet Spray Vehicle Maintenance Record Form", "Purchase and Sales Contract"

The wet spray mechanical trolley equipment purchased by a construction company from a machinery manufacturer failed to meet the technical requirements stipulated in the agreement after repeated debugging, so it appealed to the court.
Our company was entrusted by the court to undertake the quality analysis of the "wet spray mechanical trolley equipment" involved in this case.
appraisal analysis results: The
quality analysis expert group discussed and comprehensively technical analyzed the relevant information, on-site investigation and inspection, and inspection and testing data of the "wet spraying mechanical trolley equipment" involved in the case, and made the following quality analysis opinions:
The cylinder brand of the wet spraying mechanical trolley equipment involved in the case is A, the brand of the cylinder that does not comply with the provisions of the "Purchase and Sales Contract" is B, the brand of the rotary reducer is C, and the brand that does not comply with the provisions of the "Purchase and Sales Contract" is D.
inspected the plunger pump. The nameplate of the plunger pump showed that the theoretical flow rate of the pumping system is 20L/min, the rated pressure is 7MPa, and the rated speed is 1420 rpm. It does not meet the theoretical displacement of 30m³/h and the system pressure of 24MPa stipulated in the "Purchase and Sales Contract".