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[CN 202011631234.8] Variable-amplitude hydraulic pressing pile structure capable of limiting and locking for hydraulic machinery


[CN 202011631234.8] Title of a variable-amplitude hydraulic pile structure capable of limiting and locking for hydraulic machinery: Application number of a variable-amplitude hydraulic pile structure capable of limiting and locking for hydraulic machinery: CN 202011631234.8 Applicant: Shang Yankai Application Date: 2020-12-31 Patent Type: Invention Application The invention discloses a variable-amplitude hydraulic pile structure capable of limiting and locking for hydraulic machinery, including a hydraulic pile pressing mechanism and a hydraulic extraction bearing mechanism, the bottom end of one side of the hydraulic extraction bearing mechanism is connected with a hydraulic pile pressing mechanism. During the pile pressing operation, the hydraulic pile pressing structure can first extend the pile head of the pressed pile into the gap between the first clamping seat and the bottom end of the second clamping seat, and then use the electric control air pump to extract the air in the elastic extrusion airbag, and when the air in the elastic extrusion airbag cavity is extracted, the internal pressure of the elastic extrusion airbag will gradually decrease and the volume will also decrease, the reset elastic member arranged on the inner side of the platform body will also continuously squeeze the first clamping seat and the second clamping seat inward, and at the same time, the distance between the first clamping seat and the second clamping seat is reduced and the pile head is limited and locked, so as to avoid the loosening of the pile head during operation and affect the efficiency and quality of the pressure pile.