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Technical Parameters
| Product Brand | Lashing |
| Load Capacity | 2.5T~120T |
| Maximum Input Speed | 1500r/min |
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Worm Gear Lift Applications and Advantages：
A worm gear lift is a precision mechanical device that operates on the principle of worm gear transmission. Its core structure consists of a worm (the driving component) and a worm wheel (the driven component). When the worm rotates, it engages with the teeth of the worm wheel to convert high-speed rotational motion into low-speed, high-torque output, while also changing the direction of motion by 90 degrees. This unique transmission method provides a self-locking feature: when the drive stops, the reverse torque from the load is resisted by the worm gear's lead angle, creating a mechanical lock. This allows the load to be held securely in position without the need for an additional braking device.
In-depth Analysis of Structure and Principle：
The core design of a worm gear lift lies in the engagement between the worm and the worm wheel. The worm is typically made of high-strength alloy steel and has a shape similar to a screw thread. The worm wheel is a ring gear with spiral-shaped teeth on its inner face that match the worm. This design not only ensures effective power transmission but also achieves significant speed reduction and torque multiplication due to the large contact area and high friction coefficient. The gear ratio can range from 5:1 to 100:1, with an output torque of up to 50kN·m, making it capable of easily handling the lifting requirements of heavy equipment.
Detailed Workflow
1. Power Input and Speed Reduction: An electric motor drives the worm to rotate at high speed (typically 500-1500 r/min). The engagement between the worm and the worm wheel transfers power to the wheel. Since the worm wheel has many more teeth than the worm has starts (e.g., a 40:1 ratio), the output speed is significantly reduced while the torque is amplified proportionally to the gear ratio.
2. Rotary-to-Linear Conversion: The internal threads of the worm wheel and the external threads of the lifting screw form a sliding friction pair. For every full rotation of the worm wheel, the lifting screw moves axially by a distance equal to the lead of the screw (e.g., 6mm), achieving precise linear lifting and lowering.
3. Self-Locking in Action: The lead angle of the worm drive (typically less than 5°) is designed so that it automatically locks the position when power is cut or the machine is stopped, preventing the load from falling.
Applications and Advantages
Due to their unique performance advantages, worm gear lifts are widely used in various fields:
Construction Industry: As core components in tower cranes and construction hoists, they ensure the safe and efficient transport of building materials and personnel.
Industrial Automation: Used in high-precision assembly scenarios such as mold height adjustment systems on automated production lines and robotic workstations for automotive welding.
Medical Equipment: Utilized in the precision positioning mechanisms of CT scanner beds, taking advantage of their smooth, vibration-free operation.
Aerospace: Employed in the fine-adjustment mechanisms of aircraft maintenance platforms, relying on their reliable self-locking feature and shock resistance
Technical Parameters
| Product Brand | Lashing |
| Load Capacity | 2.5T~120T |
| Maximum Input Speed | 1500r/min |
| | | |
| | | |
| | | |
Worm Gear Lift Applications and Advantages：
A worm gear lift is a precision mechanical device that operates on the principle of worm gear transmission. Its core structure consists of a worm (the driving component) and a worm wheel (the driven component). When the worm rotates, it engages with the teeth of the worm wheel to convert high-speed rotational motion into low-speed, high-torque output, while also changing the direction of motion by 90 degrees. This unique transmission method provides a self-locking feature: when the drive stops, the reverse torque from the load is resisted by the worm gear's lead angle, creating a mechanical lock. This allows the load to be held securely in position without the need for an additional braking device.
In-depth Analysis of Structure and Principle：
The core design of a worm gear lift lies in the engagement between the worm and the worm wheel. The worm is typically made of high-strength alloy steel and has a shape similar to a screw thread. The worm wheel is a ring gear with spiral-shaped teeth on its inner face that match the worm. This design not only ensures effective power transmission but also achieves significant speed reduction and torque multiplication due to the large contact area and high friction coefficient. The gear ratio can range from 5:1 to 100:1, with an output torque of up to 50kN·m, making it capable of easily handling the lifting requirements of heavy equipment.
Detailed Workflow
1. Power Input and Speed Reduction: An electric motor drives the worm to rotate at high speed (typically 500-1500 r/min). The engagement between the worm and the worm wheel transfers power to the wheel. Since the worm wheel has many more teeth than the worm has starts (e.g., a 40:1 ratio), the output speed is significantly reduced while the torque is amplified proportionally to the gear ratio.
2. Rotary-to-Linear Conversion: The internal threads of the worm wheel and the external threads of the lifting screw form a sliding friction pair. For every full rotation of the worm wheel, the lifting screw moves axially by a distance equal to the lead of the screw (e.g., 6mm), achieving precise linear lifting and lowering.
3. Self-Locking in Action: The lead angle of the worm drive (typically less than 5°) is designed so that it automatically locks the position when power is cut or the machine is stopped, preventing the load from falling.
Applications and Advantages
Due to their unique performance advantages, worm gear lifts are widely used in various fields:
Construction Industry: As core components in tower cranes and construction hoists, they ensure the safe and efficient transport of building materials and personnel.
Industrial Automation: Used in high-precision assembly scenarios such as mold height adjustment systems on automated production lines and robotic workstations for automotive welding.
Medical Equipment: Utilized in the precision positioning mechanisms of CT scanner beds, taking advantage of their smooth, vibration-free operation.
Aerospace: Employed in the fine-adjustment mechanisms of aircraft maintenance platforms, relying on their reliable self-locking feature and shock resistance
