Reach stacker is a kind of crane for lifting and discharging containers, which belongs to hoisting machinery or port machinery since it is widely used in port, wharf to handle, transport and stack various containers. Compared with forklift, the stacker features flexibility, ease of operation, higher stability and efficiency. Generally, the stacker has no definite classification, its lifting appliance can be adjusted according to the container size.
The reachstacker consists of three parts including chassis, telescopic boom and container lifting appliances. The chassis system consists of engine, gearbox, steering system, cab, car frame and wheels. The telescopic boom consists of telescopic cylinder, derricking press and boom frame. The container lifting appliance consists of rotary device, upper-carriage, connecting carriage, under-carriage, telescopic cylinder and so on.
How does the container reach stacker perform its daily duty? First, the stacker will discharge the containers from the truck. Second, stack the containers in the yard. Third, grad the containers and transport them to the designated place. Fourth, put the containers into the truck. When lifting the containers, the machine should be close to the containers as much as possible to keep the machine in a stable condition. The port machinery containers should be lifted straight, not slant. The distance between the container and the ground should be as low as possible when the stacker is travelling and the speed should not exceed 5 km/h, the travelling distance should not more than 100 meters. Sudden turn, over-speed and urgent braking are forbidden except special circumstances.
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