作者:B Spruogis · 2011 · 被引用次数:12 — The calculated results of dynamic loads appearing in the beginning and the end of the lifting process and having an impact on the lifting mechanism and metal
作者:B Spruogis · 2011 · 被引用次数:12 — The calculated results of dynamic loads appearing in the beginning and the end of the lifting process and having an impact on the lifting mechanism and metal
作者:B Spruogis · 2011 · 被引用次数:12 — Dynamic Reaction Forces of an Overhead Crane on Lifting. Recently, girder bridge cranes are being replaced with double-beam overhead
In respect of dynamic computations, a crane is a united dynamic system that consists of mechanisms, supporting metal structure, drive and a structural unit of the
作者:E Lightfoot · 被引用次数:5 — effective dynamic force on the girders. The resulting crane which was designed to lift comparatively heavy loads at low hoisting Before the load lifts the equation of motion of ml is smooth, degreased metal surface.
作者:JC Warren · 2012 · 被引用次数:1 — 2.2 Metallurgy Overhead Crane pp. 11 calculations and iterative process, as that dynamic loading requires time-step modeling, an accurate reactions and stress/strain data would be available for review. bending stresses (from traverse forces). Travel range (hook travel for lift, trolley travel for bridge, crane travel.
作者:G Thompson · 2007 · 被引用次数:2 — Crane runway girder force application. portion of the information can be applied to under slung and gantry cranes. The lifting capacity (safe working load) is not the only EOT crane variable. Modelling the structure and its response. iii) SABS 0160:1989 determines the maximum dynamic vertical wheel loads using a
Items 42 - 53 — In the use of this guide, light-duty overhead cranes are defined as CMAA For certain applications such as lifting of hydraulic gates, the lifted load can (h) Because of the slow nature of the operation, dynamic forces are of welds, bolts and parent metal. beams with unfactored reactions greater than about.
作者:A Bhatia · 被引用次数:2 — Essential Terminology when Specifying Overhead Cranes. PART-2: Cranes are distinguished from hoists, which can lift objects but cannot move bracket or trolley using a solid metal rod known as a lug. Longitudinal Forces (traction load and bumper impact loads) - beam delivering its reaction to the column.
Bridge: That part of an overhead crane consisting of girders, trucks, end ties, walkway and drive Dynamic Lowering: A method of control by which the hoist motor is so Efficiency of Gearing and Sheaves: The percentage of force transmitted Electric Overhead Traveling Crane: An electrically operated machine for lifting,
作者:T Haniszewski · 2017 · 被引用次数:28 — Work concerning the dynamics of overhead cranes is mainly related to the the total force generated by the model comes from merging non-linear equation
When a crane operator is working with a rigger or a rigging crew, it for wind loading and other dynamic forces created by the movements of the machine When coupling wire and fibre ropes, always use metal thimbles in both eyes to keep the wire Alloy steel chain is the only type which can be used for overhead lifting.
The rescuer also has a critical role to play when using the heavy lifting equipment such as cranes. All loads to be lifted or moved must be assessed for weight,
2005年10月31日 — “Environmental and Dynamic Effects Design Bases,” of Appendix A to 10 operators; design, testing, inspection, and maintenance of cranes and lifting devices; and Construction of Overhead and Gantry Cranes” for Type 1 cranes. This RIS requires no action or written response and is, therefore, not a
作者:T Eglynas · 2019 · 被引用次数:3 — They can be triggered by complex set of forces acting on the container and impact the cargo inside the container. The investigation is related to the crane-lifting mechanism where the container and crane connected by metal rods. Most of the models associated with dynamic control and cargo security
2014年12月23日 — For overhead cranes, this definition translates to the relative vertical or Vertical Deflection Criteria is the maximum (vertical) deflection ratio allowed for a lifting device. tolerances for the piping, tubing, steel plate, and sheet metal. undesirable dynamic effects and to secure the function of the crane:.
2010年11月8日 — and gantry cranes; straddle cranes; sideboom cranes; der- ricks; and engineered metal building (as defined in 29 CFR of equipment in providing stability for lifting loads by force. Standard Method means the protocol in Appendix A of this and at such speeds as to minimize dynamic effects. (iii) Each
2016年5月1日 — For an offshore crane the design dynamic factor is normally referred to the still 1.1.6.5 Overhead travelling crane: a crane which lifts the object by a Terminations for steel wire ropes - Metal and resin socketing; ISO rolling element forces and the following “reactions” acting on an “element” of the ring:.