what is outrigger in crane

Cranes are an essential part of modern construction and manufacturing. They are used to lift and move heavy objects and materials, and come in various sizes and shapes. One type of crane commonly seen on construction sites is the outrigger crane. These cranes are equipped with outriggers, which are extendable beams attached to the crane's base that provide additional stability.

Function of Outriggers

The primary purpose of outriggers on a crane is to increase its stability and load capacity. When a crane lifts a heavy load, it can exert a substantial amount of force on its base and tip over. Outriggers are designed to counteract this force by spreading the weight of the crane and the load over a larger area. This helps to keep the crane from tipping over and ensures the safety of the operators and workers on the job site.

Types of Outriggers

There are two main types of outriggers used on cranes - fixed and telescopic. Fixed outriggers are permanently attached to the crane's base and provide a stable platform for lifting heavy loads. They are typically used on smaller cranes that do not need to travel long distances. Telescopic outriggers, on the other hand, are extendable and can be adjusted to different lengths and angles depending on the terrain and the weight being lifted. These outriggers are typically found on larger cranes that need to operate on uneven surfaces or in confined spaces.

Operating Outrigger Cranes

Operating an outrigger crane requires specialized training and certification. Operators must be familiar with the crane's capabilities and limitations, as well as the specifics of the job site and the load being lifted. They must also be able to properly set up and deploy the outriggers for maximum stability and safety. Failure to do so can result in accidents, injuries, and property damage.

Conclusion

Outrigger cranes are essential tools for modern construction and manufacturing. They provide increased stability and load capacity, allowing workers to move heavy objects and materials safely and efficiently. Whether using a fixed or telescopic outrigger, it is crucial to follow proper operating procedures and ensure the safety of all personnel on the job site. With proper training and use, outrigger cranes can make any lifting job a success.