NettetWhen insulated links are used, it is important to understand that the operator still shall not allow any part of the crane or load inside the power line’s minimum clearance … An insulating link is a device used on the hook of a crane to protect the crane operatives from the danger of electrocution should the crane come into contact with a power line. Insulating links are essentially robust insulators and prevent the flow of electricity from bare, suspended wires through cranes and … Se mer The dangers of working near overhead power lines, which have no insulation covering their wires, first became apparent with the electrification of Western countries in the first half of the twentieth century. As early as 1931 there … Se mer Insulating links may be used on cranes and tag lines, (guide ropes), to help protect against electric current passing from the power line through the wire rope of the crane and into the personnel working on the crane, figure 4. Figure 5 shows the Federal … Se mer
Cranes and Derricks - PowerPoint PPT Presentation - PowerShow
Nettet-- A device used to limit the angle of the boom at the highest position. Brake -- A device used for retarding or stopping motion by friction or power means. Cab -- A housing which covers the rotating superstructure machinery and/or operator's station. On truck-crane trucks a separate cab covers the driver's station. Clutch NettetInsulated Link $ 500.00 – $ 34,435.00 Select options Tag Line Insulator (TAG-LI) $ 125.00 Add to cart Show Details Jib Line Insulating Link $ 575.00 Add to cart Show Details Insulated Link Main Features Insulated links RF protection ½ ton to 120 ton range 1KV to 50+KV protection Installation options Visit Sigalarm Store / Distributors / clause 5 of article 279a
Miller Lifting Products, Division of GHM Industries, Inc.
NettetInsulating line hose or cover up must be installed by the owner/operator unless unavailable. The owner and user must meet with the equipment operator and other workers to review procedures. One person must be … Nettet14. apr. 2024 · Lubrication precautions for overhead cranes. Overhead cranes are used for lifting operations almost every day on construction sites, so daily maintenance is a must for every crane company. In addition to the routine inspection of components, we must also regularly add lubricants to a crane to ensure their normal operation. NettetIf cage-type boom guards, insulating links or proximity warning devices are used on cranes, such devices must not be a substitute for the requirement of a specifically … clause 55 national agreement