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[CN 201721309144.0] Connection structure of high and narrow hole table hole arc door and hydraulic press


[CN 201721309144.0] A Connection Structure between a High Narrow Hole Table Hole Arc Door and a Hydraulic Press Title: A Connection Structure between a High Narrow Hole Table Hole Arc Door and a Hydraulic Press Application Number: CN 201721309144.0 Applicant: China Power Construction Group Guiyang Survey and Design Research Institute Co., Ltd. Application Date: 2017-10-11 Patent Type: Utility Model The utility model discloses a connection structure between a High Narrow Hole Table Hole Arc Door and a Hydraulic Press, including the door-type steel structure frame located between adjacent gate piers; The two columns of the door-type steel structure frame are fixedly connected with the top of the gate pier; The bottom of the beam of the door-type steel structure frame is provided with a symmetrical lifting lug plate, which is hinged with the upper hanging point of the double-cylinder suspension hydraulic press, and the hanging head distribution shaft at the bottom of the double-cylinder suspension hydraulic press is hinged with the arc door ear plate on the high narrow hole arc door on the high hole surface hole; the downstream side of the portal steel structure frame is provided with an overhaul platform. The utility model has no interference between the support arm and the hydraulic oil cylinder during operation, and the arc door runs smoothly; the door-type steel structure frame has a small size, occupies a small position of the gate pier, does not affect the dam surface traffic and the layout of the hydraulic pump house, and also saves investment; the lower beam is provided with a reinforcing plate corresponding to the position of the arc door lifting lug plate and the inner flange of the support arm, which has the effect of enhancing structural stability; the maintenance platform is convenient to repair and assemble the hydraulic press without affecting the operation of the hydraulic press.