The screw-type inclined hoist is a mechanical device that operates gates through the transmission of a threaded rod. Its structure mainly includes the screw, nut, transmission mechanism, and frame. During operation, the rotation of the screw drives the nut to perform linear motion, thereby lifting or lowering the gate.
Structural Features
The screw-type inclined hoist converts rotational motion into linear motion through a spiral transmission system, featuring a compact structure and simple maintenance. Its core components include:
Screw: Designed with trapezoidal threads that engage with the nut to achieve a self-locking function;
Transmission Mechanism: Typically employs a gear reduction system or bevel gear transmission to reduce motor speed and increase torque;
Limit Protection Device: Prevents overload or exceeding the predetermined travel range.
Applicable Scenarios
Primarily used for small flat gates, weir gates, and other equipment requiring manual or electric drive, suitable for reservoirs, rivers, hydropower stations, and similar environments.
Operation Methods
Supports both manual (via handwheel or handle) and electric (motor-driven) modes. Some models are equipped with anti-theft locks and emergency stop buttons to enhance safety.