Engineering company "hydraulic excavator working device" patent was authorized

Recently, Yuchai engineering company to declare the "hydraulic excavator working device" patent for utility model has been successfully passed the examination of the people's Republic of China State Intellectual Property Office, was awarded the patent for utility model.

Working device of hydraulic excavator is by a new device for research and development of Engineering Company Engineering Machinery Research Institute technical personnel Huang Luhui etc. the bucket rod oil cylinder is arranged below the movable arm and aims to solve the hydraulic excavator in the narrow space of mine and tunnel operation, working device of bucket cylinder rod bruise easily, easy to be injured by stone, piston rod of the cylinder is easy to be dirty. At the same time, it can reduce the height of the machine operation. Possesses the device has the advantages of simple structure, convenient manufacture, low cost, reliable performance, in the narrow space of mine and tunnel operation efficiency higher merit to fill the design of excavator working device of a blank, a wide space for development.

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