Hydraulic cylinder and working machine

The invention relates to the technical field of hydraulic elements, and provides a hydraulic cylinder and an operation machine. The hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a primary buffer structure; the first-stage buffering structure comprises a guide part which is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHONG XIANMING, WANG YANLIN, LIU LUFENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to the technical field of hydraulic elements, and provides a hydraulic cylinder and an operation machine. The hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a primary buffer structure; the first-stage buffering structure comprises a guide part which is slidably arranged on the cylinder body and slidably arranged on the piston rod in a sleeving mode, the end, close to the piston, of the guide part can abut against the piston, the guide part is provided with a buffering inclined face, and the buffering inclined face gradually inclines in the direction close to the piston rod from the end, close to the piston, of the piston rod to the end, away from the piston, of the piston rod. The sliding block is connected with the cylinder body in a sliding mode in the radial direction of the cylinder body, and the sliding block abuts against the buffering inclined face. And the first elastic piece is connected with the cylinder body and the sliding block, and the first elasti