WebAug 29, 2024 · A counterweight is a weight that, by applying an opposite force, provides balance and stability of a mechanical system. The purpose of a counterweight is to make lifting the load faster and more efficient, which saves energy and is less taxing on the lifting machine. ... Drawbridge; Bascule bridge; WebThe resultant force on the drawbridge is much more than if you just pulled down on the chain. This gets it moving, at which point the counterweight is going to start applying …
Drawbridge...? DIY Home Improvement Forum
WebThe basic principal of a bascule bridge is that it needs sufficient power to lift the open span in a vertical direction. This is achieved by ensuring that the bridge is balanced. That means a weight (called counterweight) equivalent to the weight of the opening span is fixed to the bridge deck but at the opposite side of the rotating arm. This ... WebThe drawbridge could be lowered or raised using ropes or chains attached to a windlass in a chamber in the gatehouse. Some form of bascule can usually be found for heavier bridges, as they provided a heavier … bucks county prothonotary doylestown pa
Bascule Bridge Design and Construction - UKEssays.com
WebQuestion: We wish to construct a drawbridge with a counterweight of mass \( m \) running along a rail \( C \) such that the bridge's mass \( M \) is balanced for any opening angle \( \alpha \) of the bridge as shown in the figure below. The balancing counterweight of mass \( m \) moving frictionlessly along a rail \( C \), whose shape is determined so that the weight WebThe weight of the bridge is proportional to the length, the torque quickly becomes problematic as the length extends, thus it is better to have 2 opposing drawbridges than … WebAug 9, 2024 · In many ways these bridges evolved from the medieval drawbridge just as the bascule bridge did, with a few small span and low lift versions being constructed in Europe back to antiquity. ... In these … bucks county prothonotary efile