KB spider crane: Using the "iron triangle" interlocking to build a safe working barrier

Date: 2025.08.18
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Author: KB crane

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In the field of hoisting operations, safety is always a red line that cannot be crossed. The KB Spider Crane, with its safety interlocking triangle of travel, outriggers, and boom, redefines the safety standard for small hoisting equipment. Through the intelligent functional interlocking mechanism, it minimizes operational risks and builds a solid safety line for operators.

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The core logic of the "Safety Interlock Triangle" is to tightly control the three key functions of the equipment—travel, outrigger adjustment, and boom operation—to prevent accidents caused by misoperation. When the equipment is in travel mode, the system automatically locks control of the outriggers and boom. This means that even if the operator accidentally touches the outrigger extension or extension button or the boom lever, the equipment will not respond. This eliminates the risk of imbalance caused by sudden outrigger movement or collision caused by boom swing during travel. This "one movement, two static" design ensures the equipment maintains a stable position during movement.

The outriggers serve as the "foundation of stability" during operation, and their adjustment directly affects the overall support balance of the equipment. During this time, the system automatically disables travel and boom operation, ensuring the operator can fully focus on outrigger extension and positioning. Whether operating on rugged mountain terrain or in a cramped indoor space, this one-way operation restriction prevents uneven force on the outriggers caused by simultaneous travel or boom operation, preventing accidents such as equipment tipping over.

When the boom enters operational mode, the system completely locks the outriggers and travel functions, allowing the boom to operate safely within its rated load range. This prevents accidental outrigger or travel movements when lifting heavy objects, which could cause a shift in the center of gravity, swaying loads, or even tipping over. The KB spider crane's functional interlocks firmly link boom operation with equipment stability, ensuring every lifting operation is carried out within a safe framework.

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The "Safety Interlocking Triangle" system of the KB spider crane is not only a technological innovation but also the ultimate pursuit of operational safety. Its intelligent control mechanism minimizes the risk of human error, providing unprecedented safety assurance for high-altitude lifting operations and setting a new benchmark for safety standards for small lifting equipment.

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