1双梁桥式起重机使用说双梁桥式起重机使用说 明书明书No. 82, East Gonghe Road, Zhangshu, Jiangxi, ChinaTel: +86-795-7333014 7364569 Fax: +86-795-7364566 Email: jxqz88vip.163.com2目录目录 Contents主要用途与适用范围主要用途与适用范围. Main Application and Scope of Application .（1）产品适用的工作环境和工作条件产品适用的工作环境和工作条件. Applicable Working Environment and Conditions（1）产品的工作原理产品的工作原理. Working Principle .（2）产品的主要结构产品的主要结构. Product Structure（3）安装与调试安装与调试. Installation and Commissioning（11）使用与操作使用与操作.Usage and Operation.（27）维护与保养维护与保养. Maintenance（33）常见故障及排除方法常见故障及排除方法. Common Faults and Resolution（47）附件及易损件附件及易损件. Accessories and Wearing Parts（50）3一、主要用途与适用范围一、主要用途与适用范围 Main Application and Scope of ApplicationQD型电动双梁桥式起重机是根据中华人民共和国GB/T14405-93通用桥式起重机及 GB3811-83起重机设计规范设计制造，采用了新标准、新技术，该产品与双梁小车配套使用，是一种有轨运行的系列化起重机械，具有许多优点，如结构紧凑、起重能力大等，是改善劳动条件、提高劳动生产率的有力工具。因此，在工厂、矿山、码头、仓库、货场等许多部门有着广泛的用途。QD type electric double-beam bridge crane is designed and manufactured with the new standard and technology in accordance with the national standards of GB/T14405-93 “General-purpose Overhead Crane” and GB3811-83 “Design Rules for Cranes”. This product is used together with the double-beam trolley and is a series lifting machinery which travels on the rail. It has many features such as compact structure and large lifting capacity, and is the effective tool for improving the working conditions and raising labor productivity. Therefore, the product has been widely used in the factories, mines, docks, warehouses, freight yards, stores and so on.二、产品适用的工作环境和工作条件二、产品适用的工作环境和工作条件 Applicable Working Environment and Conditions本系列产品适用于一般用途、工作级别为 A2A6，工作环境温度为-250C400C；它不适宜于有爆炸危险、火灾危险和充满腐蚀性气体的介质中以及相对湿度大于 85%的场所，也不适宜用于吊运熔化金属和有毒、易燃、易爆物品，工作条件超过上述范围及有特殊要求时，经供需双方协商，可以特殊定货。The series of products are applicable to the general purpose and the working level is A2A6, and the working temperature is -25-40 . It is not suitable for the work place where there is the danger of explosion and fire, and the media full of corrosive gases as well as the relative humidity is more than 85%. It is also not applicable to lift the melting metal, the toxic, flammable and explosive substances. The users can make the special orders if the working condition is out of the above scopes and has other special requirements4电动双梁吊钩桥式起重机标记示例：The electric double-beam bridge crane is marked as follows:QD 用处：室外加“W” （室内省）起升高度 m跨 度 m起重量 t型 号QD A letter “W” shall added if its used outside. lifting height (m)span (m)lifting capacity (t)model例：起重量 50/10t，跨度 13.5m，室内用的 QD 型电动双梁吊钩桥式起重机的标记为 QD50/10-13.5 GB/T14405。For example：if the lifting capacity is 50/10t, the span is 13.5m and its used indoor, the QD type electric double-beam bridge shall be marked as QD50/10t-13.5m GB/T14405.三、产品的工作原理三、产品的工作原理 Working Principle本产品大车运行采用分别驱动形式，其中大车采用二套驱动装置、八轮结构；小车运行采用一套驱动装置驱动；大车和小车驱动均采用 YZD 型电机，大车传动采用 ZQA 型减速器，小车传动采用 ZSC 减速器，如随机总图所示，通电时，大车二边5行走端梁上的驱动装置带动车轮在轨道上作纵向往复运行，起落重物；小车上的驱动装置带动车轮在主梁轨道上作横向往复运行，起落重物；小车起升机构部分是由 YP2型变频调速电动机通过联轴器、补偿轴带动 ZQA 型卧式减速机的输入轴转动，经过齿轮变速，带动卷筒转动，缠绕钢丝绳，使吊钩升降，起落重物。起升机构采用变频调速，大、小车运行采用变级调速。The individual drives are adopted for the crane traveling mechanism, and the crane is equipped with two sets of the driving device and eight wheels. The traversing trolley is driven by a set of the driving device. The crane and the trolley are driven by YZD type motor and the ZQA type reducer is adopted for the crane transmission, the ZSC type reducer for the trolley transmission, as shown in the general drawing. When the current is switched on, the driving devices on the end girders of the crane drive the wheels to travel longitudinally back and forth on the rail and lift the heavy loads up and down. The driving device on the trolley drives the wheels to travel transversely back and forth on the rail of the main girder and lift the heavy loads up and down. The hoisting mechanism works in the way: the YP2 type motor with frequency control drives the input shaft of the ZQA type horizontal reducer through the coupling and the compensating shaft to rotate; then changes the speed through the gear to drive the wire drum to wind the wire rope; so that the hook can go up and down to lift the heavy loads. The hoisting mechanism adopts the frequency control, and the traveling and the traversing adopt the pole changing control.四、产品的主要结构四、产品的主要结构 Product Structure1、概述1. General本产品的主体部分（桥架结构部分）通过端梁上的行走车轮安置在铺设的路轨上作直线往复运行（纵向运动） 。小车在主梁上的轨道上作直线往复运动（横向运动） ，小车上的起升机构通过滑轮装置组成上下起升装置。主梁采用正轨箱形，起升采用YP2型变频调速电机，起升减速机采用 ZQA 系列产品；大车运行减速机采用 ZQA 系列产品；起升制动方面，采用 YWZ 型液压推杆制动器。缓冲器有弹簧、聚氨酯和橡胶三种，供用户选用，卷筒装置配用轴承机体有普通和带超载限制器二种，这样使整6体的性能有较大改善，主要指标达到同类产品先进水平。The body of the product (the crane bridge) is placed on the rail and travels back and forth in a straight line (longitudinal movement) through the wheels on the end girder. The trolley travels back and forth