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中国水电夹江有限公司制作的金沙江向家坝水电站泄洪坝段4000 kN/1250 kN坝顶双向门机的门架(含大车行走机构)整体立拼、主小车总成、副小车总成及电控设备顺利通过了由中国长江三峡集团向家坝工程建设部、三峡金结检测中心、向家坝水力发电厂、中南勘测设计研究院等单位代表、特邀专家组成验收组的验收。该门机为目前国内水电站用门式启闭机中轨道跨距最大的门机。
China’s hydropower Jiajiang Co., Ltd. produced Jinsha River Xiangjiaba Hydropower Station spillway dam section of 4000 kN / 1250 kN two-way door at the top of the door mast (including trolley walking body) as a whole Li fight, the main car assembly, vice car assembly And the electric control equipment passed the inspection by the Three Gorges Group of China, Xiangjiaba Engineering Construction Department, Three Gorges Jinjie Testing Center, Xiangjiaba Hydroelectric Power Plant, Zhongnan Investigation, Design and Research Institute and other units representatives. The door machine for domestic hydropower station gate hoist in the largest track span door machine.