Upper chassis of the main engine of pile driving machinery

Abstract

1. The name of this design product: upper chassis of the main engine of the pile-driving machinery. 2. Purpose of the product with this appearance design: The main machine of the pile-driving machinery is used to carry and install the working device to perform hole-drilling operations in pile foundation projects. The upper chassis of the main machine of the pile-driving machinery rotates relative to the lower chassis in the main machine of the pile-driving machinery and is used to carry, install, and control the driving working device. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. The bottom surface of this design product is a part that is not easily visible or cannot be seen when in use, so the top view is omitted. 6. Other circumstances that require explanation: This design is a partial design, and the part other than the gray translucent part in the picture is the content for which patent protection is requested. This application does not require protection of color; color is only used to distinguish the local design that requires protection.

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