The invention comprises: machine head, aluminium alloy framework, solar cell panel with base plate, screw, cowling, chassis part, coverage, four dropper connecting equipment, The aluminium alloy framework connects with the rear portion of the machine head, the >solar cell panel with base plate fixed on the aluminium alloy framework with screw, the coverage covers on the side of the aluminium alloy framework with a screw, the cowling fixes on the aluminium alloy framework, the chassis connects with the aluminium alloy framework, the four dropper connecting equipment welds with the aluminium alloy framework and the left anterior, right anterior, front anterior, back anterior separately.

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