| 摘要 |
PURPOSE: An apparatus for preventing hydraulic cylinder for low pressure casting machine from being unfastened is provided, which is capable of preventing screw part of the hydraulic cylinder from being unfastened. CONSTITUTION: The apparatus comprises a drawing plate(200) which is clamped by screw part between the hydraulic cylinder and drawing plate and equipped with hollow part formed at the center of length direction of plate shape; a bush(210) inserted into the hollow part formed at the drawing plate to connect the hydraulic cylinder(112) to the drawing plate; a cover plate(220) connected to the bush inserted into the hollow part of the drawing plate; and an unfasten preventing plate connected between the screw part(120) and cover plate(220) to maintain the connection state of the screw part and prevent the screw part from being unfastened from the hydraulic cylinder, wherein the bush has a flange shape, and a plurality of screw holes(212) are circumferentially formed on a longitudinal cross section of the bush inserted into the hollow part of the drawing plate, wherein respective holes(222) are formed on the cover plate at positions corresponding to the plurality of screw holes formed on the bush, and wherein the unfasten preventing plate comprises head shape hole(232) and clamping hole(234).
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