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[CN201621394139.X] Hydraulic machine cylinder stroke adjustment device
[CN201621394139.X] Title of Hydraulic Machine Cylinder Stroke Adjustment Device: Application Number of Hydraulic Machine Cylinder Stroke Adjustment Device: CN201621394139.X Applicant: Nantong Forging Equipment Co., Ltd. Application Date: 2016-12-19 Patent Type: Utility Model The invention of the utility model discloses a hydraulic machine cylinder stroke adjustment device in the field of hydraulic equipment. The stroke adjustment device is installed on the hydraulic oil cylinder, including hydraulic motor, small gear, large gear, cylinder port guide sleeve, oil cylinder block and locking cylinder. It is characterized in that: the hydraulic motor is installed on the oil cylinder block, and the cylinder port guide The sleeve and the oil cylinder are connected by threads. The cylinder port guide sleeve is displaced to adjust the stroke of the cylinder. The hydraulic motor enters oil to drive the pinion to rotate, and one end of the cylinder port guide sleeve is fixed on the large gear, the small gear meshes with the large gear through the gear, the small gear drives the large gear to rotate, and the large gear drives the cylinder mouth guide sleeve to rotate to achieve the purpose of adjusting the stroke of the cylinder piston rod. The utility model has the advantages of high stroke adjustment precision, good rigidity and small repetition error.
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