GB/T 10051.7-2010Lifting hooks -- Part 7: Ramshorn shank hooks (English PDF)

Foreword

GB/T 10051 "crampon" is divided into the following sections.

--- Part 1. mechanical properties, lifting, stress and materials;

--- Part 2. Forged hook technical conditions;

--- Part 3. Forged hook in check;

--- Part 4. shank hook with blank;

--- Part 5. Shank hooks;

--- Part 6. straight double hook shank blank;

--- Part 7. straight double hook shank;

--- Part 8. hook beam blank;

--- Part 9. hook beam;

--- Part 10. hook nut;

--- Part 11. hook nut locking plate;

--- Part 12. Hook locking means;

--- Part 13. Laminated hook technical conditions;

--- Part 14. Laminated hook in check;

--- Part 15. Laminated single hook.

This section GB/T 10051 Part 7.

The partial modification using DIN15402-2. 1983 "Lifting threaded shank hook double hook." According to this section DIN15402-2. redrafted 1983.

Taking into account China's national conditions, the use DIN15402-2. 1983 when modified, these technical differences identified in it a single vertical line They were involved in the margins, given the technical reasons for differences and their list in Appendix A for reference.

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

--- "This standard" be replaced by "this section";

--- With a decimal point "." Instead of a comma as the decimal point "." Appendix A of this section is an informative annex.

This part is proposed by China Machinery Industry Federation.

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

This section is responsible for drafting unit. Taiyuan Heavy Machinery Group Co., Ltd.

Participated in the drafting of this section. Beijing Materials Handling Design and Research Institute, Xuzhou Construction Machinery Co., Ltd. Cheung Kong, Baoding Heavy Industries shares Parts Co., China's second heavy machinery company.

1 Scope

This section GB/T 10051 specifies the double hook of straight shank types and dimensions and technical requirements.

This section applies to GB/T 10051.1 specified lifting machinery forging and free forging straight double hook shank (hereinafter referred to as double hook).

2 Normative references

The following documents contain provisions which, through reference GB/T 10051 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 196 common thread basic size (GB/T 196-2003, ISO 724:1993, MOD) GB/T 10051.2 lifting hook - Part 2. Forged hook technical conditions GB/T 10051.4-2010 crampon Part 4. shank hook with blank

3 Type and size

Type 3.1

Press and forging double hook structure divided into four ways. LM type, LMD type, LY LYD type and type.