GB/T 20776-2023Classification for lifting appliances (English PDF)

1 Scope

This document defines the terms and definitions of lifting machinery, and stipulates the classification principles, methods and classification, coding methods and codes of lifting machinery:

structure:

This document applies to the classification of the main types of lifting machinery:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations

For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document:

GB/T 6974 (all parts) Crane terminology

GB/T 26476 Mechanical parking equipment terminology

3 Terms and definitions

The following terms and definitions as defined in GB/T 6974 (all parts) and GB/T 26476 apply to this document:

3:1

Lifting machinery liftingappliance

A machine that lifts or lowers vertically in space and moves heavy objects horizontally:

Note: The lifting machinery defined in this document refers to cranes, light and small lifting equipment, lifts, and mechanical parking equipment, excluding elevators and lifting working platforms:

3:2 crane crane

Hoisting machinery that uses hooks or other fetching devices to hang (or clamp, etc:) heavy objects and perform cyclic operations such as lifting, lowering, and transporting in space:

[Source: GB/T 6974:1-2008, Chapter 2, with modifications]

3:3

It is a relatively lightweight lifting machine with a compact structure and simple movements: The working range is mainly projected by points and lines:

3:4

Lifter

Hoisting machinery that only has lifting and lowering movements and can only move up and down along the guide device:

3:5

It is a device that realizes flat or three-dimensional parking of cars through mechanical transportation:

[Source: GB/T 26476-2021,3:1:1]

3:6 mobile crane mobilecrane

A crane with a boom that can travel along trackless roads with or without load, and relies on its own weight to remain stable: