1\u3001 Core structure composition
The scissor lift is mainly composed of four modules: mechanical structure, power system, control system, and safety protection system<\/p>\n\n\n\n
Mechanical part: Multiple sets of scissor arms made of high-strength manganese steel are used as the core, forming an X-shaped support structure through cross hinge of pin shafts, matched with a base and work platform. Some mobile models are also equipped with walking wheels and steering mechanisms.
Power section: The mainstream is hydraulic drive, consisting of a hydraulic station and hydraulic cylinders; Some small devices use stepper motors combined with screw drives to achieve power output.
Control part: Integrated PLC, operation buttons, remote control device, capable of precise control of lifting start stop and speed adjustment.
Safety section: including overflow valve, hydraulic control one-way valve, limit switch, anti fall safety clamp and other components, to ensure the safety of operations under emergency conditions.
2\u3001 Working principle
It relies on the unfolding and folding of the scissor arm to complete the vertical lifting and lowering of the platform:
When the hydraulic drive model is in operation, the motor drives the hydraulic pump to convert mechanical energy into pressure energy of hydraulic oil. The pressure oil enters the hydraulic cylinder through the valve group to push the piston rod to expand and contract, and drives the hinge point of the scissor arm to expand or contract outward or inward. The horizontal thrust is converted into the vertical lifting force of the platform, achieving smooth upward or downward movement of the platform.
The screw driven version uses a stepper motor to drive the screw to rotate, drive the screw nut to translate, pull the scissor arm to complete the opening and closing action, and achieve platform lifting. During design, it is necessary to control the pressure angle of the mechanism to avoid excessive ineffective power consumption.<\/p>","protected":false},"excerpt":{"rendered":"
1\u3001 Core structure compositionThe scissor lift is mainly composed of four modules: mechanical structure, power system, control system, and safety 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