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实用新型
CN202866555U 一种大型板坯电子束焊接真空室用的密封门装置 失效 - 权利终止

一种大型板坯电子束焊接真空室用的密封门装置
摘要：
本实用新型提供了一种大型板坯电子束焊接真空室用的密封门装置技术方案，该方案包括有门框和门体，本方案的特点是在所述门框的内口周边有门框凸台，在该门框凸台上有密封条；在所述的门框上方有横向的导轨，在该导轨上有沿导轨移动的从动滑车和驱动滑车，所述的从动滑车与所述门体的左侧通过左连杆铰接，所述的驱动滑车与所述门体的右侧通过右连杆铰接；在所述门体的右侧与门框相邻的上下两端的门体面上，固定有突出门体面的上下两个导轮在门框凸台上滑动；在所述的门框凸台上下两端的右侧与门框之间有导轮导轨。
摘要（英）：

The utility model provides a technical scheme of a sealing door device for a large slab electron beam welding vacuum chamber. The sealing door device for the large slab electron beam welding vacuum chamber comprises a door frame and a door body. The sealing door device for the large slab electron beam welding vacuum chamber is characterized in that a door frame boss is arranged on the periphery of the inner opening of the door frame, a sealing strip is arranged on the door frame boss, a transverse guide rail is installed on the top of the door frame, a driven pulley and a driving pulley moving along the guide rail are installed on the guide rail, the driven pulley is hinged with the left side of the door body through a left connecting rod, the driving pulley is hinged with the right side of the door body through a right connecting rod, an upper guide wheel and a lower guide wheel are fixed on a door body face of the upper end and the lower end of the right side of the door body which adjacent to the door frame, the upper wheel and lower wheel protrude from the door body and slide on the door frame boss, and a guide rail and a guide wheel are installed between the right side of the upper end and the lower end of the door frame boss and the door frame.

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