求高人 帮忙翻译 起重机桥式抓斗起重机是桥架在高架轨道上运行,由起重小车带动抓斗抓取物料的一种桥架型起重机.桥架沿铺设在两侧高架上的轨道纵向运行,起重小车沿铺设在桥架上的轨

求高人 帮忙翻译 起重机桥式抓斗起重机是桥架在高架轨道上运行,由起重小车带动抓斗抓取物料的一种桥架型起重机.桥架沿铺设在两侧高架上的轨道纵向运行,起重小车沿铺设在桥架上的轨
求高人 帮忙翻译 起重机
桥式抓斗起重机是桥架在高架轨道上运行,由起重小车带动抓斗抓取物料的一种桥架型起重机.桥架沿铺设在两侧高架上的轨道纵向运行,起重小车沿铺设在桥架上的轨道横向运行,构成矩形的工作范围,就可以充分利用桥架下面的空间吊运物料,不受地面设备的阻碍.桥式抓斗起重机广泛应用于电厂、煤厂等需要散料装卸的场合,由于该设备笨重,运输安装困难,对其产品质量检测一般需要在现场进行.所以要求控制设备接线方便,体积小便于携带.又由于使用现场条件不动,还要求检测设备有随机手动控制功能,以保证运行时的安全.随着对起重运输机械控制要求的不断提高,控制手段也越来越先进.目前国内的桥式起重机控制系统都需要人在现场进行控制,控制方式都比较落后.在中小型起重机中, 大都采用控制器直接控制大、小车运行, 主、副钩提升、下降重物及调速.
本文设计的是桥式抓斗起重机的电气控制系统,应用继电接触控制系统控制.详细介绍了继电器、接触器以及凸轮控制器的选择.具有限位过流、低压等保护功能.通过限位开关的限位作用很好的实现了整个起重机在运行过程中的安全.全部控制过程可以在驾驶室内完成.整个系统自动化程度较高,运行可靠稳定,保养位相方便.

求高人 帮忙翻译 起重机桥式抓斗起重机是桥架在高架轨道上运行,由起重小车带动抓斗抓取物料的一种桥架型起重机.桥架沿铺设在两侧高架上的轨道纵向运行,起重小车沿铺设在桥架上的轨
Grab bridge bridge crane is running on the elevated track,the car driven by the lifting of materials crawl grab a bridge-crane.Bridge laying on both sides along the elevated track on the vertical run,lifting trolley along the bridge in laying the track on the horizontal run,a rectangular scope of work,you can make full use of space below the bridge lifting material from Ground equipment hindered.Grab bridge cranes widely used in power plants,Mei Chang,and other needs of bulk material handling of the occasion,because of the heavy equipment,transportation difficulties installation,testing the quality of their products in general need in the field.Therefore,control equipment requirements for wiring,small size and portability.And the use of fixed-site conditions,also called a random testing equipment manual control functions to ensure the safety of operation.With the lifting of the transport requirements of the mechanical control continuously improve,more and more advanced means of control.At present the domestic bridge crane control system requires people at the scene to control,control methods are backward.In small and medium-sized crane,the most direct control over the use of controllers,car running,Lord,vice hook upgrade,dropped weights and speed.
This paper is designed to bridge crane grab the electrical control system,application access control system control relay.Details on the relays,contactors and the cam controller choice.A limit over-current,low voltage,and other protection.Limit limit switches through the role of good for the entire operation of cranes in the process of security.All the control process can be completed in the indoor driving.A higher degree of automation system as a whole,stable and reliable operation,maintenance phase convenience.