Scissor Dock Lift Platform
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Scissor Dock Lift Platform

Scissor Dock Lift Platform

In today's fast-paced world, where every second counts, it is essential to have a safe and efficient method of lifting and moving heavy loads. That's where the Stationary Scissor Lift Platform comes into play. It is a reliable, safe, and easy-to-use tool that can lift heavy loads to a higher...
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Description

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stationary scissor lift platforms

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stationary scissor lift platform

The working angle of the scissor support arm in a stationary scissor lift platform depends on the lifting height, platform size, and arm length. It is the angle between the scissor arms and the horizontal plane during operation.

Key Definitions

θ (Theta): The working angle of the scissor arms.

L: Length of one scissor arm.

H: Current lifting height.

C: Compressed (minimum) height.

W: Distance between the scissor arm pivot points on the base.

Working Angle Calculation

The scissor lift mechanism forms a right triangle, where:

The hypotenuse is the scissor arm length (LL).

The opposite side is the lifting height minus the compressed height (H−CH - C).

The adjacent side is half the platform width (W/2W/2).

Using trigonometry:

sin⁡θ=H−CL\sin \theta = \frac{H - C}{L} θ=arcsin⁡(H−CL)\theta = \arcsin \left( \frac{H - C}{L} \right)

Example Calculation

For a 1m × 1m platform:

Assume the scissor arm length L≈0.71mL \approx 0.71m (calculated from previous answer).

Compressed height C=0.2mC = 0.2m.

At maximum lifting height H=1.2mH = 1.2m:

θ=arcsin⁡(1.2−0.20.71)\theta = \arcsin \left( \frac{1.2 - 0.2}{0.71} \right) θ=arcsin⁡(1.0/0.71)\theta = \arcsin (1.0 / 0.71)

Since 1.0/0.71>11.0 / 0.71 > 1, this suggests a fully vertical position (90°), meaning the theoretical lift height might be overestimated or the arm length needs adjustment.

For practical designs, most scissor lifts work between 10° (fully lowered) and 75° (near maximum height).

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