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塔式起重机(简称塔机)出厂时通常在驾驶室内和平衡臂上设置配电柜。该配电柜内设有起升机构、变幅机构(变幅小车)、回转机构、行走机构的断路器,用于对相关机构的保护。施工单位为了保证安全,通常还会给塔机再设置1个地面配电柜。该配电柜内的断路器不仅可用于塔机总电源的通断,还可起到漏电保护作用。本文介绍各配电柜跳闸故障的排查方法。
Tower cranes (referred to as tower crane) factory delivery cabinets and cabinets are usually set in the balance arm. The distribution cabinet is equipped with a lifting mechanism, a luffing mechanism (luffing trolley), a slewing mechanism and a traveling mechanism circuit breaker for protecting the relevant mechanism. In order to ensure the safety of the construction unit, it is usually necessary to set up a ground distribution cabinet for the tower crane. The circuit breaker within the power distribution cabinet can not only be used for the tower crane off the general power supply, but also play a role in leakage protection. This article describes the troubleshooting of the distribution cabinet trip fault.