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[CN201821756715.X] Hydraulic press limit column device with precise stroke adjustment function
[CN201821756715.X] Title of Hydraulic Press Limit Column Device with Stroke Precision Adjustment Function: Application Number of Hydraulic Press Limit Column Device with Stroke Precision Adjustment Function: CN201821756715.X Applicant: Yangzhou Jingshanda Servo Forming Equipment Co., Ltd. Application Date: 2018-10-26 Patent Type: Utility Model This utility model discloses hydraulic press limit column device with stroke precision adjustment function, including upper limit column and lower limit column, the upper limit column includes an upper fixed threaded cylinder, an adjusting mechanism and an upper movable column. The upper fixed threaded cylinder is provided with an adjusting cavity and a movable cavity. The adjusting cavity is located inside the movable cavity, and an adjusting mechanism is installed inside the adjusting cavity. The movable cavity is connected with an upper movable column in threads, and the upper movable column is connected with the adjusting mechanism. The lower limit column is a fixed column, and the center lines of the lower limit column and the upper movable column are consistent, the utility model solves the technical problem of poor precision retention of the limit column in the prior art.
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