GB/T 6974.7-2022Cranes—Vocabulary—Part 7: Floating cranes (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

This document is part 7 of GB/T 6974 "Crane Terminology". GB/T 6974 has released the following parts.

--- Part 1: General terms;

--- Part 2: Mobile cranes;

--- Part 3: Tower cranes;

--- Part 4: Jib cranes;

--- Part 5: Overhead and gantry cranes;

--- Part 6: Railway cranes;

--- Part 7: Floating cranes.

This document replaces GB/T 6974.8-1986 "Lifting Machinery Terminology Floating Cranes", compared with GB/T 6974.8-1986, In addition to structural adjustments and editorial changes, the main technical changes are as follows.

a) Deleted the term "steam floating crane" (see 1.3.1 of the 1986 edition), "steam electric floating crane" (see 1986 1.3.4 of the year version);

b) Deleted the term "nautical floating crane" (see 1.5.2 of the 1986 edition);

c) Deleted the term "floating vessel" (see 2.1 of the 1986 edition), the term "propeller" (see 2.2 of the 1986 edition), "propeller thruster" term (see 2.2.1 of the 1986 edition), term "translational thruster" (see 2.2.2 of the 1986 edition), term "superstructure" (see 2.3 of the 1986 edition);

d) The term "heel" (see 3.1 of the 1986 edition), the term "heeling moment" (see 3.1.1 of the 1986 edition), and the term "trim" are deleted.

(see 3.2 of the 1986 edition), term "pitch moment" (see 3.2.1 of the 1986 edition), term "restoring moment" (see the 1986 edition 3.3), the term "transverse restoring moment" (see 3.3.1 of the 1986 edition), the term "longitudinal restoring moment" (see the 1986 edition of 3.3.2), term "stability" (see 3.4 of the 1986 edition), term "static stability" (see 3.4.1 of the 1986 edition), term "dynamic stability" (see 3.4.2 of the 1986 edition), the term "dynamic pitch" (see 3.6 of the 1986 edition), the term "static pitch" (see the 1986 edition 3.8 of the "water angle" term (see 3.11 of the 1986 edition);

e) Changed the term "internal combustion electric floating crane" (see 4.2.1.1, see 1.3.3 of the 1986 edition), added "internal combustion hydraulic floating crane" "Crane" term (see 4.2.1.2), "Shore Power Floating Crane" (see 4.2.2), "Shore Electric Floating Crane" (see 4.2.2) 4.2.2.1), the term "Shore Power Hydraulic Floating Crane" (see 4.2.2.2);

f) Changed the term of "non-slewing floating crane" (see 4.3.2.2, 1.2.2 of the 1986 edition), "non-slewing floating crane" term (see 4.3.1, 1.2.3 of the 1986 edition), term "composite floating crane" (see 4.3.3, 1.2.4 of the 1986 edition), added The term "non-slewing luffing jib floating crane" (see 4.3.1.1), the term "fixed jib floating crane" (see 4.3.1.2), The term "slewing jib floating crane" (see 4.3.2), the term "floating bridge crane" (see 4.3.4);

g) Added the terms "slewing bearing floating crane" (see 4.4.1), "slewing column floating crane" (see 4.4.2), "roller" "floating crane" term (see 4.4.3), "trolley floating crane" term (see 4.4.4);

h) Added the terms "single-boom floating crane" (see 4.5.1), "telescopic boom floating crane" (see 4.5.1.1), "fixed "Long-jib floating crane" (see 4.5.1.2), "Single-jib floating crane with jib" (see 4.5.1.3), "Double-jib floating crane" (see 4.5.1.3) "Gantry floating crane" term (see 4.5.2), "combined jib floating crane" term (see 4.5.3);

i) Added the term "box jib floating crane" (see 4.6.1), "truss jib floating crane" (see 4.6.2), "pipe "floating jib crane" term (see 4.6.3);

j) Added the terms "Container Floating Crane" (see 4.7.3) and "Lifting Magnet Floating Crane" (see 4.7.4);

k) Added the terms "floating crane for installation" (see 4.8.3), "floating crane for equipment installation" (see 4.8.3.1), "hydraulic crane" The term "floating crane for building installation" (see 4.8.3.2), the term "floating crane for bridge installation" (see 4.8.3.3), the term "wind power The term "floating crane for installation" (see 4.8.3.4), the term "floating crane for piling-type wind power installation" (see 4.8.3.4.1), the term "non- "Floating crane for piling type wind power installation" (see 4.8.3.4.2), the term "floating crane for rescue" is changed (see 4.8.4, 1.6.4 of the 1986 edition);

l) The terms "offshore floating crane" (see 4.9.2) and "deep sea floating crane" (see 4.9.3) have been added;

m) Added the terms "boom sliding device" (see 5.3), "hook" (see 5.4), "main hook" (see 5.4.1), "auxiliary hook" slang (see 5.4.2), term "hook" (see 5.4.3), term "jacking device" (see 5.5), term "herringbone securing device" (see 5.6), the term "gear-down mechanism" (see 5.7), the term "jib" (see 5.8), the term "anchoring device" (see 5.9), the term "folding line" "reel" term (see 5.10), "truss frame" term (see 5.11), "boom shelf" term (see 5.12), "hook box" term (see 5.12)

5.13), term "reverse roller device" (see 5.14), term "free fall winch" (see 5.15), term "variable magnification winding system" (see 5.16), term "active wave compensation system" (see 5.17), term "passive wave compensation system" (see 5.18), "mobile stabilizer hook" "device" term (see 5.19), "manned system" term (see 5.20);

n) Changed the term "ship-moving winch" (see 5.1, 2.4 of the 1986 edition);

o) The term "heel angle" (see 6.1, 3.1.2 of the 1986 edition), the term "pitch angle" (see 6.2, 3.2.2 of the 1986 edition), "Dynamic heel" terms (see 6.3, 3.5 of the 1986 edition), "static heel" terms (see 6.4, 3.7 of the 1986 edition);

p) Added the terms "vertical acceleration" (see 6.5), "rolling period" (see 6.6), "pitch period" (see 6.7), "rating" "Lifting weight" (see 6.8), "Amplitude" (see 6.9), "Load curve" (see 6.10), "Lifting range" (see 6.10)

6.11), the term "slewing speed" (see 6.12), the term "design temperature" (see 6.13);

q) Added "Classification of Floating Cranes" (see Appendix A).

Introduction

GB/T 6974 gives the common terms and common terms in the design, production and use of different types of cranes according to the classification principles and applications. definition. GB/T 6974 is divided into 7 parts.

--- Part 1: General terms, specifies the most commonly used terms in the field of cranes, defines the main types of cranes, parameters, general overview Read the terminology of its components.

--- Part 2: Mobile cranes, specifies the terms of various basic types of self-propelled mobile cranes.

--- Part 3: Tower cranes, specifies the general definition of tower cranes and illustrates with the help of legends with relevant term numbers A term used for all types of tower cranes.

--- Part 4: Jib cranes, specifies common terms related to jib cranes, defines the main types of jib cranes, luffing Terminology for properties, balance properties, and components.

--- Part 5: Bridge and gantry cranes, specifies the relevant terms of bridge and gantry cranes.

--- Part 6: Railway cranes, specifies the main types, general concepts, parameters, components and auxiliary equipment of railway cranes terms and definitions.

--- Part 7: Floating cranes, specifies the terms commonly used in floating cranes, defines the main types, mechanisms and zeroes of floating cranes Terms for parts, characteristic parameters, etc.

1 Scope

This document defines terms and definitions commonly used for floating cranes.

This document applies to the floating cranes given in Appendix A.

2 Normative references

There are no normative references in this document.

3 Basic terms

4 Types of floating cranes