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The rolling lift trunnion (sometimes a "Scherzer" rolling lift), raises the span by rolling on a track resembling a rocking-chair base. The "Scherzer" rolling lift is a refinement patented in 1893 by American engineer William Donald Scherzer. [3] The rarer Rall type combines rolling lift with longitudinal motion on trunnions when opening. [4]
A trunnion (from Old French trognon 'trunk') [1] is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development. First associated with cannons, they are an important military development.
DIN 9797-compliant bin tippers use a trunnion-lift mechanism, latching onto two trunnions projecting from the sides of the bin. This standard is commonly used in the food-processing industry. Compliant bins are often called euro bins, tote bins, or meat carts.
CORRECTION: Bridges 1, 3, 4, 6E, 6W, 19, and 19A are all Scherzer type rolling lift bridges, as were Bridges 7 and 9. La Salle Causeway lift bridge - Kingston, Ontario; Cherry Street Strauss Trunnion Bascule Bridge, in Toronto; Cherry Street lift bridge over the Keating Channel, in Toronto
Flanges, trunnions, clevises, and lugs are common cylinder mounting options. The piston rod also has mounting attachments to connect the cylinder to the object or machine component that it is pushing or pulling. A hydraulic cylinder is the actuator or "motor" side of this system.
Vertical-lift bridge – the bridge deck is lifted by counterweighted cables mounted on towers; road or rail; Table bridge – a lift bridge with the lifting mechanism mounted underneath it; Retractable bridge (Thrust bridge) – the bridge deck is retracted to one side
The Norfolk Southern Lake Pontchartrain Bridge is a rolling lift trunnion bridge that carries a single-track of Norfolk Southern rail line over Lake Pontchartrain between Slidell and New Orleans, Louisiana, parallel to the Maestri Bridge [2] At 5.8 miles (9.3 km) long, it is the longest railroad bridge in the United States and the longest rail bridge over water in the world.
Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. [1] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts, and can also include smaller accessories such as chains ...