Article Featured in Construction Business Owner

Wednesday, December 20th, 2017

How can equipment operators focus on work and forget the distractions? In this article by Crane Tech, we discuss external and internal distractions and how to plan for success.

Safety Inside the Cab Article

 

About Construction Business Owner: From its inception in 2004, Construction Business Owner (CBO) was designed to be a different kind of construction magazine, filling a need in the construction industry for the kind of business management knowledge that is of real value to the owners of construction companies. While there are a wide variety of good equipment and association-based magazines that serve the construction industry, CBO provides real-world business management education not found in other construction publications. Articles inform owners and managers on accounting, finance, insurance, regulatory issues, human resources, bidding strategies, technology, jobsite safety, equipment management and industry statistics.

Part 3: Mobile Crane Stability – Taking the Crane Apart

Monday, October 30th, 2017

Before we go any further on mobile crane stability, we need to look at the mobile crane itself. Pulling it apart and looking at how the crane is constructed gives us a different perspective on balance than looking at the machine as a whole. So, lets de-construct it.

There are three basic components of the crane: superstructure, carrier and boom. Each one of these has a center of gravity (CG) and each of the components will affect the center of gravity of the combined parts in the final crane assembly.

superstructuresmThe superstructure, upperstructure or upperworks, is the revolving frame of equipment on which the operating machinery are mounted along with the operator’s cab. The superstructure typically supports the crane’s counterweight on the rear and the boom or other attachment on the front. The CG of the superstructure will remain the same relative position regardless how the crane is positioned. (more…)

Part 2: Mobile Crane Stability – Gravity, Balance & Leverage

Monday, October 16th, 2017

In Part 1 we took a high-level look at mobile crane stability, now its time to bring it back to the basics.

A mobile crane is built around the design principals of balance and leverage. In short, a crane must be capable of lifting heavy loads, through the use of leverage, while remaining in balance.

Before we dig into these concepts, we need to talk about gravity. We know from Newton and Einstein that the natural phenomenon of gravity is alive and well, all you have to do is drop a small object on your foot to be a believer. In material handling, we have to consider the Center of Gravity (or CG) of a load. The “center of gravity symbol”, illustrated by the black and white circles on the illustrations below is used to show the location where an object’s CG lies. The CG of any object is said to be the point in the object where the weight is evenly distributed. Meaning the leverage on one side of the object must be equal to the leverage derived by the other side of the object.

FULCRUM1
Now let’s look at a balance beam, which is similar to a basic crane model. (more…)

Crane Tech Featured in Industry Experts Article

Wednesday, October 11th, 2017

Safety training in the crane, rigging and specialized transportation sector is an ongoing process that is constantly evolving. Trends develop into standards and then standards change. American Cranes & Transport asked six training experts to identify the trends they are seeing in today’s training environment.  We asked them to cover simulators, demographics, most popular courses and certifications, recertification, hands-on training, training challenges and the most effective training methods.  Here’s what they had to say:

Industry Experts Reveal Training Trends

Part 1: Mobile Crane Stability – Tipping Incidents & Accidents

Monday, October 2nd, 2017

Of all crane-related accidents, tipping accidents are the most common. Crane operators who fail to follow the manufacturer’s guidelines regarding crane ratings are sure to suffer a tipping incident sooner or later. Possibly you have experienced a tipping incident where you felt the crane come up behind you (such as the feeling in the seat of the pants). Maybe you have had someone tell you that you had lifted one or more of the outriggers behind the crane or maybe you have been less fortunate, and your crane has turned over, changing the incident into an accident. In each of these cases, a loss of crane stability has come into play. (more…)

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