過將近1年的工程技術攻關，山東龍輝起重機械有限公司成功研制出首臺全自動全無線控制防爆變頻抓斗起重機。多項技術難度于一身的起重機成功交付沙特客戶。
After nearly one year's engineering technology research, Shandong longhui Hoisting Machinery Co.,Ltd has successfuly manufactured the first automatic completely wireless remote anti-explosion grab crane with various frequency . The complex crane being of many technologies has been successfully transferred to our customers in Saudi Arabia.
一、技術難度 Technology Difficulties
要求：Requirements
1、起重機額定抓取重量5噸. The rated grab capacity is 5 tons.
2、整車防爆級別DiiCT4. The complete anti explosion level is DIICT4.
3、全自動抓取投料，自動定位，自動運行，自動抓取，自動投料，自動回位，無人操作。Automatic working of grabing,feeding,positioning,operation,returing without man.
4、自動感應抓取.  Automatic sensing grabbing.
技術難度高，數字集成大，等多項.  High technology difficulty level and digital integration,etc.

QZ型雙梁抓斗起重機  QZ type doube girder grab crane