The utility model relates to a tunneling machine airborne temporary support machine field, in particular to a temporary support machine supporting the roof, solve the temporary support machine supporting the roof of rigid arch roadway roof support versatility and poor adaptability, and flexibility to support the roof supporting force smaller problems. The protecting roof plate is provided with a bottom support frame, a spring steel plate and a double hinge, and the middle part of the spring steel plate is fixedly connected with the bottom support frame, and the two ends of the spring steel plate are respectively connected with the bottom support frame through the double hinge. The fixed part of the spring steel plate is rigid support for the arch roof, and the floating part of the spring steel plate is flexible support for the arch roof. The protective roof plate is installed on the temporary support machine as the working component of the temporary support machine, and the temporary support machine is an airborne temporary support machine for the cantilever type roadheader.
【技术实现步骤摘要】
【技术保护点】
１．一种临时支护机护顶板，其特征在于：该护顶板设有底支撑架、弹簧钢板、双铰链，弹簧钢板的中部固定联接在底支撑架上，弹簧钢板的两端分别通过双铰链与底支撑架联接。
【技术特征摘要】
【专利技术属性】
技术研发人员：王士伟，刘锋，赵成雷，
申请(专利权)人：三一重型装备有限公司，
类型：实用新型
国别省市：89
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