GB/T 24809.3-2009Cranes -- Requirements for mechanisms -- Part 3: Tower cranes (English PDF)

Foreword

GB/T 24809 "Crane institutional requirements" is divided into five sections.

--- Part 1. General;

--- Part 2. Mobile cranes;

--- Part 3. Tower cranes;

--- Part 4. jib cranes;

--- Part 5. Bridge and gantry cranes.

This is Part 3 GB/T 24809 of.

This part identical with ISO 10972-3:2003 "Cranes institutional requirements - Part 3. Tower cranes" (in English).

This section is equivalent translation ISO 10972-3:2003.

For ease of use, this section made the following editorial changes.

--- The term "this part of ISO 10972" with the words "" GB/T 24809 in this section ";

--- Delete ISO 10972-3:2003 Foreword and Introduction;

"." --- With a decimal point instead of a comma as the decimal point, "";

--- For ISO 10972-3:2003 international standard references, have been adopted as the equivalent of the standard with our standard replaces the corresponding International standards, the other is not identical with direct reference to international standards for our standards.

This part is proposed by China Machinery Industry Federation.

This part of the National Standardization Technical Committee crane (SAC/TC227) centralized.

This section is drafted. Changsha Construction Machinery Research Institute, Beijing Institute of Construction Mechanization, Changsha Zoomlion Heavy Industry Science and Technology Development Co. Shares the company.

1 Scope

This section GB/T 24809 In addition to the provisions of the basic requirements of GB/T 24809.1 of the tower crane (hereinafter referred to as the tower machine) Specific requirements for agencies and related components.

This section includes.

Layout, features and performance of a) institutions;

b) the basic requirements of the appointing authority member.

This section is not included in the different limit states (yield strength, fatigue, wear) the ability of checking rules.

This section does not apply to tower crane climbing mechanism and related components, does not apply to climbing frame.

2 Normative references

The following documents contain provisions which, through reference GB/T 24809 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 3766 Hydraulic System General technical conditions (GB/T 3766-2001, eqv ISO 4413:1998) GB 5226.2 Safety of machinery electrical equipment Part 32. Requirements for hoisting machines (GB 5226.2-2002, idt IEC 60204-32:1998) GB/T 6974.1 crane terminology - Part 1. General terms (GB/T 6974.1-2008, ISO 4306-1:2007, IDT) GB/T 6974.3 cranes Terminology - Part 3. Tower cranes (GB/T 6974.3-2008, ISO 4306-3:2003, IDT) GB/T 18874.3 Crane Information to be provided - Part 3. Tower cranes (GB/T 18874.3-2009, ISO 9374-3:2002, IDT) GB/T 20863.3 crane classification - Part 3. Tower cranes (GB/T 20863.3-2007, ISO 4301-3.

1993, IDT)

GB/T 24809.1 crane institutional requirements - Part 1. General (GB/T 24809.1-2009, ISO 10972-1.

1998, IDT)

ISO 4302 Cranes wind load estimation

3 Terms and Definitions

GB/T 6974.1 and GB/T 6974.3 and established the following terms and definitions apply to this section.

Connecting two members between them and torque transmission means.

Or individual components of the hydraulic circuit under normal operating conditions the maximum pressure.

GB/T 24809.3-2009/ISO 10972-3:2003