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[CN201621189117.X] Ultra-high pressure hydraulic press cast steel beam cylinder one working cylinder
[CN201621189117.X] Ultra-high pressure hydraulic press cast steel beam cylinder integrated working cylinder Title: Ultra-high pressure hydraulic press cast steel beam cylinder integrated working cylinder Application number: CN201621189117.X Applicant: Zhang Chaoran Application Date: 2016-10-31 Patent Type: Utility Model This utility model is an ultra-high pressure hydraulic press cast steel beam cylinder integrated working cylinder, including cast steel beam body (1) cylinder; Working hole; the bottom of the working cylinder hole is provided with a space-occupying shield (2); the space-occupying shield (2) and the cast steel beam body (1) are provided with a communicating oil inlet hole (4), which is characterized in that the beam The surface of the spherical bottom and the cylindrical surface (where the piston advances) in the working cylinder hole are respectively shielded by forged defect-free parts to prevent contact with ultra-high pressure oil, so as to solve the problem of leakage and crack of the beam under the action of high pressure oil. The utility model can reduce the area of the cast steel contacting the ultra-high pressure oil by more than 70%, and the working ability and safety of the press are obviously improved.
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