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Your Position: Home - - What is the working principle of crawler scissor lift?

What is the working principle of crawler scissor lift?

Author: Hou

Mar. 19, 2024

A crawler scissor lift operates on a relatively straightforward working principle, combining the functionality of a scissor lift with the mobility of crawler tracks. Here's how it works:

Scissor Lift Mechanism: Like traditional scissor lifts, the primary lifting mechanism of a crawler scissor lift consists of linked, folding supports arranged in a crisscross pattern, resembling the shape of a pair of scissors when extended. These supports, typically made of steel, are connected by hydraulic cylinders or electric actuators.

Hydraulic System: The scissor lift mechanism is powered by a hydraulic system, which controls the extension and retraction of the lifting arms. Hydraulic fluid is pumped into the cylinders, causing them to extend and lift the platform vertically. Conversely, when hydraulic pressure is released, the cylinders retract, lowering the platform to its original position.

Crawler Tracks: What sets a crawler scissor lift apart from standard scissor lifts is its mobility system, which utilizes crawler tracks instead of wheels. Crawler tracks consist of a series of interlocking metal plates or rubber treads that are looped around sprockets and driven by a hydraulic motor. These tracks provide stability, traction, and the ability to navigate various terrains, including rough or uneven surfaces.

Crawler Scissor Lift.webp

Steering Mechanism: To maneuver the track scissor lift, it typically features a steering mechanism that controls the direction of the crawler tracks. This steering system allows the operator to turn the lift left or right, pivot in place, and navigate tight spaces with ease.

Platform Controls: The operator controls the movement of the crawler scissor lift from a control panel located on the platform. This panel typically includes joystick controls or buttons for raising, lowering, steering, and driving the lift. Some models may also feature additional functions such as tilt sensors, emergency stop buttons, and safety interlocks.

Safety Features: Crawler scissor lifts are equipped with various safety features to protect operators and bystanders during operation. These may include overload sensors to prevent exceeding weight limits, automatic safety locks to secure the platform in place, emergency lowering systems in case of power failure, and guardrails around the platform perimeter to prevent falls.

In summary, the working principle of a crawler scissor lift involves the use of a hydraulic lifting mechanism combined with crawler tracks for mobility. This configuration allows the lift to raise and lower workers or materials vertically while providing stability and maneuverability across different terrains. With proper operation and maintenance, self propelled crawler scissor lifts are valuable tools for accessing elevated work areas safely and efficiently.


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