BS ISO 4306-4:2020 pdf free.Cranes一Vocabulary—Jib cranes.
BS ISO 4306-4 The ISO 4306 series establishes a vocabulary of the most commonly used terms in the field of cranes.This document defines the terms related to jib type cranes.Mobile cranes, tower cranes, railway cranes, and offshore cranes are excluded.Annex A contains a diagram showing the different types of jib cranes.2 Normative reference There are no normative references in this document.3 Terms and definitions ISO and IEC maintain terminological databases for use in standardization at the following addresses:-ISO Online browsing platform: available at https://www.iso.org/obp IEC Electropedia: available at http://www.electropedia.org/ 3.1 portal slewing crane travelling slewing crane mounted on a portal allowing or not allowing railcars, vehicles and equipment
to pass under it 3.2 single-boom portal slewing crane portal slewing crane (3.1) with a single boom pinned to the front of the rotating platform at its inner
end and suspending load-handling device at its outer end, and of which load-handling device can move along nearly horizontal path by means of compensation methods during boom luffing Note 1 to entry: See Figure 1.3.3 double link boom portal slewing crane portal slewing crane (3.1) with a boom system consisting of boom, fly jib and tension bar, and of which the outer end of the fly jib can remain at a nearly constant height and the load-handling device moves along nearly horizontal path during boom luffing Note 1 to entry: See Figure 2.3.4 portal slewing crane with slewing ring portal slewing crane (3.1) with a slewing ring mounted between rotating platform and cylinder, and of which the vertical load, horizontal load and moment are borne by the slewing ring Note 1 to entry: See Figure 2.3.14 A-frame derrick crane fixed-base derrick crane (3.13) with a boom which can swing around the hinge at the bottom under the control of a hauling rope (or other driving devices) Note 1 to entry: See Figure 10. shear-leg derrick crane fixed-base derrick crane (3.13) with a boom which can operate luffing movement in front of the shear leg mast Note 1 to entry: See Figure 11.BS ISO 4306-4 pdf download.