Overview
A fixed crane is a stationary lifting machine designed for heavy-duty material handling in industrial settings. Unlike mobile cranes, it is permanently installed on foundations or support structures, offering superior stability for repetitive tasks. Common types include bridge cranes, gantry cranes, and jib cranes, each tailored to specific applications like factory assembly lines or port operations. Fixed cranes are indispensable in industries requiring frequent lifting of heavy loads, such as steel manufacturing or warehouse logistics. Their design prioritizes durability and precision, often incorporating advanced control systems like variable frequency drives (VFDs) for smooth operation. Modern variants may include automation features for integration with Industry 4.0 workflows.
Structure and Working Principle
The core components of a fixed crane include the bridge girder, end trucks, hoist, trolley, and runway beams. The girder spans the work area, supported by end trucks that move along fixed rails. The hoist and trolley mechanism enables vertical and horizontal load movement via electric motors and wire ropes or chains. Operation relies on electromechanical power transmission. When activated, motors drive the hoist drum to wind/unwind cables, lifting or lowering the load. Simultaneously, the trolley traverses the girder to position materials accurately. Overhead bridge cranes, for example, often use pendant or radio remote controls for operator-directed movement within their designated work envelope.
Key Features
Fixed cranes excel in load capacity, commonly ranging from 5 to 500+ tons, with specialized models exceeding 1,000 tons. Their rigid construction minimizes deflection during lifts, ensuring precise load placement—critical in applications like aerospace component assembly. Many feature modular designs allowing customization of span, height, and control interfaces. Advanced models incorporate collision avoidance systems, overload protection, and real-time monitoring via IoT sensors. Energy-efficient regenerative drives are increasingly adopted to reduce power consumption. For harsh environments, corrosion-resistant coatings or explosion-proof configurations (e.g., ATEX compliance) are available.
Application Areas
Primary industries utilizing fixed cranes include heavy manufacturing (automotive, steel plants), power generation (turbine installation), and shipbuilding (gantry cranes for hull assembly). In warehouses, they facilitate palletized goods handling, while construction variants assist in precast concrete placement. Specialized applications include nuclear facility maintenance cranes, designed for remote operation in high-radiation zones, and foundry cranes with heat-resistant components. Portside container handling often employs massive rail-mounted gantry cranes (RMGs) with tandem lift capabilities for ISO containers.
Maintenance and Precautions
Routine maintenance includes daily visual inspections of hooks, wires, and brakes, plus monthly checks of structural welds and electrical systems. Lubrication of gears and bearings should follow manufacturer intervals—typically every 200-500 operating hours. Annual certifications by qualified engineers are mandatory in most jurisdictions. Critical precautions include never exceeding the rated load capacity (accounting for dynamic forces) and ensuring proper rigging. Wind speeds above 20 mph may require operation cessation for outdoor cranes. Operators must be trained on emergency stop procedures and load swing mitigation techniques to prevent workplace accidents.
B2B Procurement Guide
When procuring fixed cranes, first define technical parameters: maximum load (including test load requirements), span, lift height, and duty classification (e.g., CMAA Class D for heavy service). Consider future scalability—modular designs allow later capacity upgrades. Request documentation like FEM 1.001 or DIN 15018 compliance certificates. Supplier evaluation should emphasize after-sales support, including spare parts availability and technician proximity. For large projects, conduct factory acceptance tests (FAT) to verify performance. Budgeting should account not just for equipment but also installation (foundation work, electrical upgrades) and operator training programs. Lease-to-own options may be viable for SMEs.
Related Manufacturers
- 主营：单梁起重机、双梁起重机、KBK起重机、电动葫芦、抓斗、悬臂吊、电磁吸盘、龙门吊、地平车
- 主营：HSH手板葫芦、倒链、不锈钢链条、日式鬼头电动葫芦、日式环链电动葫芦、手动液压搬运车、不锈钢搬运车、不锈钢手拉葫芦、手拉葫芦、手扳葫芦、手动葫芦、环链电动葫芦、钢丝绳电动葫芦、G80起重链条、G80锰钢链条、地牛、手动搬运车、手动地牛、DHS环链电动葫芦、380v电动葫芦、三角手拉葫芦、三角手动葫芦、微型电动葫芦、电动葫芦、电动堆高车
- 主营：起重机、地平车、电磁吸盘、电动卷扬机
- 主营：起重机、手动葫芦、防爆葫芦、欧式单梁、欧式起重机、环链葫芦、kbk轨道、专用吊具、吊装带、拉紧器、吊索具、吊环螺钉、助力夹具、起重吊带、钢板吊钳、电动葫芦、气动葫芦、千斤顶、助力机械手、手扳葫芦、钢丝绳葫芦、平衡吊、铝合金轨道起重机、智能起重机、卷扬机
- 主营：热洁炉、脱漆炉、退塑炉、立柱式助力机械手、悬挂式助力机械手、移动式助力机械手、热清洁炉、挂具脱塑炉、碳化炉、助力机械手、搬运机械手、机械手、挂具清洁炉、喷涂退漆炉、挂具脱粉炉、工业热洁炉、退漆炉、挂具热洁炉、助力搬运机、剥漆炉、脱塑热洁炉、挂具脱漆处理设备、挂具脱塑机械设备、热洁炉设备、脱塑炉
- 主营：电磁吸盘、焊网机、升降柱、自卸式路面清扫车、板换夹紧器、振动夯、锚索切割机、皮带取样器、顶管机、破碎锤、铣挖机、贝壳斗、隧道凿毛机、热熔划线机、螺旋钻机、污水处理设备、电动叉车、打桩机、智能张拉设备、劈裂机、液压扳手、液压剪、生物质燃烧机、劈裂棒、洗车机
- 主营：扫地车、板换夹紧器、筛分斗、船用固定式吊机、电磁吸盘、挖机平板夯、贝壳斗、焊网机、柴油泵车、等离子切割机、液压顶管机、铣挖机、洗车机、喷砂机、液压剪、打桩机、螺旋钻机、短管置换设备、滚筒夯、中空扳手、顶管机、制氮机、生物质燃烧机、劈裂机
- 主营：扫地车、制氮机、破碎斗、船用固定式吊机、板换夹紧器、电动叉车、焊网机、激光除锈机、破碎锤、铣挖机、玻璃吸盘、柴油泵车、等离子切割机、绳锯机、打桩机、工地洗车机、喷砂机、顶管机、液压剪、截桩机、螺旋钻机、破拆工具组、液压扳手、劈裂机、两头忙、生物质燃烧机
- 主营：电动叉车、激光整平机、破碎斗、船用固定式吊机、破碎锤、筛分斗、螺旋钻机、轻质版安装机、液压剪、工程洗车机、内壁喷涂机、焊网机、短管置换设备、液压顶管机、生物质燃烧机、喷砂机、电磁吸盘、柴油泵车、智能张拉设备、升降柱、打桩机、扫地车、劈裂棒、照明灯车、渣浆泵
- 主营：板换夹紧器、劈裂枪、劈裂棒、避障式割草机、柴油搅拌机、顶管机、顶管出土小车、贝壳斗、岩石锯、筛分斗、洗车机、截桩机、喷砂机、制氮机、中部取样器、单轨运输车、破碎锤、液压夯实机、铣挖机、绿篱修剪机、全自动升降柱、沙滩清理机、锚索张拉机、扫雪机、硫化机
- 主营：焊网机、挖机打桩机、锚索切割机、固定式液压传动船吊、液压剪、喷砂机、破桩机、液压扳手、渣浆泵、劈裂枪、劈裂棒、沙滩清理机、玻璃吸盘、挖机抽沙泵、电动叉车、制氮机、智能张拉设备、铣挖机、激光切割机、抛光机、冷喷划线机、马路切割机、凿毛机、移动照明灯车、电磁吸盘、智能压浆台车
- 主营：短管置换、扫地车、扫雪机、船用固定式吊机、制氮机、岩石锯、电磁吸盘、等离子切割机、焊网机、电动叉车、内壁喷涂机、柴油泵车、推雪铲、除雪滚刷、破碎锤、螺旋钻机、滚筒夯、顶管机、破冰机、防汛泵车、劈裂机、粉碎钳、蒸养机、铣挖机、液压剪、破碎斗
- 主营：滚筒夯、扫地车、短管置换设备、破碎锤、锚索切割机、破冰机、液压剪、等离子切割机、劈裂机、岩石锯、板换夹紧器、焊网机、顶管机、皮带取样机、生物质燃烧机、喷砂机、激光除锈机、制氮机、装载机扫路车、马路吹风机、铣挖机、污水处理设备、洗车机、截桩机、轨道运输车
- 主营：助力机械手、机械臂、智能平衡葫芦、真空吸吊机、气管吸吊机、板材吸吊机、防爆气管吸吊机、铝合金轨道、玻璃吸盘
- 主营：履带底盘、钢制履带底盘、液压履带底盘、沥青拌合机、沥青再生搅拌机、履带运输车、履带混凝土罐车、履带罐车、光伏打桩机、地基钻孔机、四不像随车挖、四不像运输车、地钉钻机、长螺旋打桩机、电线杆钻孔机、公路护栏打桩机、钢制履带运输车、四不像混凝土罐车、履带平口罐车、船吊、履带随车吊、四不像随车吊、丧葬车、履带随车挖、升降履带车