Stacker Crane Manufacturer Introduces the巷道式堆垛机 for Automated Storage and Retrieval Systems

Three-dimensional WarehouseThe company has implemented automated logistics and warehousing equipment.Stacker CraneOur company has achieved automated management of three-dimensional storage, enabling timely and automatic replenishment of goods and empty pallets on the conveying line. Additionally, it ensures the timely delivery of goods to the next workstation on the conveying line. The control system utilizes both manual and automatic modes for greater flexibility in handling abnormal issues during the conveying process.

Stacker cranes for立体warehousesConveyor SystemPLC is connected to the monitoring machine via a communication processor, receiving operational commands from the monitoring machine and returning the execution status of the commands and system status, etc. The electrical control system features audio-visual alarms for fault detection and fault status, as well as the capability to cancel the audio-visual alarms.

Working Principle

The stacker is driven by a walking motor, which moves the trolley horizontally along the lower guide rail. The lifting motor controls the vertical up and down movement of the load platform, while the fork on the load platform extends and retracts. These three-dimensional movements allow for the retrieval of goods from storage locations or the placement of goods into them. The walking position sensor measures the horizontal movement of the stacker, the lifting position sensor controls the vertical position of the load platform, and the fork direction is positioned using proximity switches. Through photoelectric recognition and the conversion of optical communication signals, computer control is achieved, as well as manual and semi-automatic control of the stacker control panel. Additionally, an optimized speed control method is employed to reduce the impact during deceleration and shutdown, significantly shortening the buffering distance for start-up and stoppage, thereby enhancing the operational efficiency of the stacker.

Stacker crane structure

The stacker is mainly composed of several major parts, including the lower cross beam, loading platform, fork mechanism, vertical column, upper cross beam, horizontal movement mechanism, lifting mechanism, electrical control cabinet, safety protection devices, and electrical control system.

The main structure of the stacker is composed of the upper and lower crossbeams, columns, and control cabinet support. The upper and lower crossbeams are welded into a box-like structure using steel plates and sections, featuring good section properties. The wheel axle holes on both sides of the lower crossbeam are machined in one setup on a floor boring and milling machine, ensuring parallel wheel axes, thereby enhancing the overall stability of the machine. The columns are made of square steel tubes, with two flat steel guide rails welded on both sides in one go, and the guide rail surfaces are hardened for excellent wear resistance. Specialized automatic welding technology with special devices is used during welding, effectively overcoming deformation of the entire structure. The upper crossbeam is welded to the columns, and the columns are aligned with the lower crossbeam using flanges and connected with high-strength bolts. The main structure boasts features such as light weight, resistance to torsion and bending, high rigidity, and high strength.

2. The Loading Platform: The loading platform is a component that moves vertically up and down via the power of the lifting mechanism. It is constructed as an L-shaped structure by welding a vertical frame and a horizontal frame. The vertical frame is used for installing lifting guide wheels and some safety protection devices. The horizontal frame is made of seamless steel pipes, fully meeting the loading requirements.

3. Horizontal Operating Mechanism: The horizontal operating mechanism consists of a power-driven unit and a set of roller wheels, designed for the directional movement of the entire equipment along the tunnel.

4. Hoisting Mechanism: The hoisting mechanism consists of a drive motor, drum, sliding group, and wire rope, which is used to lift the cargo platform for vertical movement.

5. Fork Mechanism: The fork extension mechanism is a powered unit consisting of an upper, middle, and lower fork, designed for vertical goods handling movements perpendicular to the alley direction. The lower fork is fixed to the cargo platform, and the forks extend and retract linearly through chain drive between them.

6. Guiding Wheel System: The stacker utilizes three sets of guiding wheel systems, including upper and lower horizontal guiding wheels and lifting guiding wheels. The upper and lower horizontal guiding wheels are mounted on the upper and lower crossbeams, respectively, to guide the stacker's horizontal movement along the alleyway. The lifting guiding wheels are installed on the cargo platform, moving up and down along the pillar guide rails, to guide the vertical movement of the cargo platform. Simultaneously, they support the load and transfer it to the main structure through the guiding wheels.