LH型20、5吨双吊钩电动葫芦桥式起重机
5-20/5吨单主梁吊钩桥式起重机 本系列产品是采用国际标准制造的双梁桥式起重机系列产品。整机结构新颖、工艺性好、操作灵活平稳、安全可靠。
主要特点：
1． 桥架采用箱形单梁，L型单腿焊接结构，增大作用空间，并便于运输安装维修。
2． 小车导电采用异型钢轨电缆导电新装置。
3． 零部件标准化、系列化、通用化。
4． 起重机供电形式为电缆卷筒式和滑触线式（电缆卷筒式为左右端，滑触线式为左右端）。供用户选择。
5． 操纵室视野开阔，内设聊动台，操作灵活工作舒适。还可根据要求加设风扇、热风器、冷风机、空调器、起重量限制器、对讲机等。 本产品用于露天仓库、料场、铁路货站、海港码头货区等装卸搬运，还可配心多种专用吊具进行特殊作用。选用时应注明工作环境的最高、最低气温及电源种类等技 术要求。还可根据用户要求的跨度设计制造。
技术参数
额定起重量：20、5t
跨度：10.5—25.5m
主吊钩起升速度：3.5、0.35m/min
副吊钩起升速度：8.0.8m/min
小车运行速度：21m/min
大车运行速度（地面）30 m/min （操纵室）67.3m/min
电动葫芦：CD120/MD120 CD15/MD15
起升高度：12
工作制度：A4
电源：380v 50Hz
推荐大车钢轨：P43 kg/m
起重机最大轮压：201-247 Kw
1 operating personnel must be qualified professional and technical training, and the holding device operation license, shall operate. The operator must strictly abide by the relevant security regulations and the shift system.
2 workers should be in strict accordance with the provisions of the oil lubrication, and maintain the appropriate amount of oil, the oil flow, oil scale (window) eye-catching, cup clean.
3 check the drive device, operating mechanism, trolley walking wheel, reel, hook, a pulley, a pin shaft, steel wire rope has no wear and damage, and check the track and moving range without obstacles.
4 check the bell signal, signal lamps and lighting equipment is perfect, the lifting height and travel limit switch, and the brake action is sensitive, reliable.
The 5 hooks placed in the lowest position, wire rope should be on the drum minimum two laps more than. Steel wire rope wear corrosion, surface wire diameter more than 40% break one or in a twist from the broken wires number more than 5%, Shun wound wire cross winding wire 10%, shall stop the use.
The 6 operations, the driver only listen to a command, the driver and conductor should be obvious gesture signal. The driver in the lifting, should take the ring signal echo, in danger or crane fault, regardless of the signal from the who, should immediately stop.
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