1 Scope
This part of GB/T 24809 specifies the particular requirements (the general layout and design of mechanisms, the selection and/or design requirements of components, and the instructions for manufacturing, mounting, installation and testing) relating to mechanisms for bridge and gantry cranes, as defined in GB/T 6974.1. The general requirements for mechanisms for cranes are given in GB/T 24809.1.
Rules for proof of competence calculations regarding different limit states (yield strength, fatigue, wear) are excluded from this part of GB/T 24809.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB/T 24809. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 5226.2 Safety of Machinery — Electrical Equipment of Machines — Part 32: Requirements for Hoisting Machines (GB 5226.2-2002, idt IEC 60204-32: 1998)
GB/T 6974.1 Cranes — Vocabulary — Part 1: General (GB/T 6974.1-2008, IEC 4306-1:2007, IDT)
GB/T 24809.1 Cranes — Requirements for Mechanisms — Part 1: General (GB/T 24809.1-2009, IEC 10972-1:1998, IDT)
GB/T 24810.5 Cranes — Limiting and Indicating Devices — Part 5: Bridge and Gantry Cranes (GB/T 24810.5-2009, ISO 10245-5:1995, IDT)
ISO 12210-1:1998 Cranes — Anchoring Devices for In-service and Out-of-service Conditions — Part 1: General
ISO 12488-1:2005 Cranes — Tolerance for Wheels and Travel and Traversing Tracks — Part 1: General
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 6974.1 apply.
4 Requirements
4.1 General design and layout
4.1.1 General
The mechanisms shall meet the requirements of GB/T 24809.1, as applicable.
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
