The "YC20 hydraulic excavator" appearance patent, "Paper excavator accessory quick change device" patent, and "Hydraulic excavator water radiator" patent filed by Yuchai Heavy Industries have successfully passed the review of the State Intellectual Property Office of the People's Republic of China. Grant design patents and utility model patents respectively.
The appearance of YC20 hydraulic excavator is a new appearance designed by Yuchai Heavy Industry Engineering and technical personnel according to the company's hydraulic excavator appearance upgrade plan. The appearance of the excavator is smooth, the working light is embedded in the driving shed, and it is a smiley face in front of the driving shed. The bonnet protection board represents the best “B†letter shape.
The quick exchanging device of the hydraulic excavator working device is a new mechanism developed by technical personnel of the Yuchai Heavy Industry Engineering Machinery Research Institute. The excavator driver can realize the attachment of the working device by activating the mechanism on the device through the operation of the mechanism. Installation; The use of a crowbar to pull the lever mechanism on the quick-change device can achieve the disassembly of the working device; one person only needs about 3 minutes to complete the work device attachment replacement, to achieve the purpose of easy and quick replacement. The device has the advantages of high efficiency, reliable performance, simple structure, convenient manufacture and low cost.
The hydraulic excavator water radiator is a new structure developed by the technical staff of the Yuchai Heavy Industry Engineering Machinery Research Institute. This structure eliminates the shutters on the cooling belt and punches the cooling belt into waves, effectively increasing the cooling area. And can effectively prevent dust and debris clogging; and easy to clean and maintain, with a simple structure, easy to manufacture, easy to install and use, practical advantages.
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