GB/T 19920-2020Container buttress fitting for ships (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 19920-2005 "Marine Container Support". This standard is compared with GB/T 19920-2005, except for editing In addition to the changes, the main technical changes are as follows:

---Modified normative reference documents, CB/Z343 was revised to GB/T 13912, and GB/T 3077, GB/T 709, GB/T 8923.1, deleted CB/Z343, GB/T 13306, GB 9969.1 (see Chapter 2, Chapter 2 of the 2005 edition);

--- Modified the classification, name, type and code of the support (see 3.1, 3.1 in the 2005 edition);

---Added suspension intermediate pressure support, DM-83.5; added long support seat, ZI series (see 3.2.1);

--- Added CT-32.5 compression support (see 3.2.1) and FT-32.5 tension and compression support (see 3.2.1);

--- Deleted AT, AM wooden wedge support (see 3.2.1 of the 2005 edition);

--- Deleted the FT-50, FT-65 rack top tension and compression support (see the 2005 edition of 3.3.1);

--- Deleted ET, EM disc tension and compression support and HM eye plate intermediate tension and compression support (see 3.3.1 of the 2005 edition);

--- Deleted the ZH-105 eye plate middle tension and compression support seat (see 3.4.1 in the 2005 edition);

---Modified the product dimensions (see Table 2, Figure 1~Figure 21, Table 2~Table 26, Figure 1~Figure 22 of the 2005 edition);

---Increase the size and tolerance requirements (see 5.2); modify the materials of the main parts of the support (table 3, table 4, table 5, 2005 edition Table 27), modify the hot-dip galvanizing process requirements (see 5.3.1, 4.6 in the 2005 edition), and increase the rust removal level before surface painting Requirements and paint thickness requirements (see 5.3.2);

---Modified the "test methods" and "inspection rules". added strength test methods (see 6.4); modified the number of type tests (see 7.2.3, In the 2005 edition of 6.2.3), etc., the distinction between group A and group B of the factory inspection was deleted and the subsequent related content was modified (see 2005 Version 6.3);

---Modified the content of the support mark (see Chapter 8, 7.1 of the 2005 edition);

---Deleted the requirements of the support instruction manual (see 7.2 of the 2005 edition).

1 Scope

This standard specifies the classification, parameters, main dimensions and marking examples, requirements, and testing of marine container supports (hereinafter referred to as supports) Inspection methods, inspection rules, signs, packaging, transportation and storage.

This standard applies to the design, manufacture and acceptance of container supports in the cabins of multi-purpose container ships.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document.

GB/T 699 High-quality carbon structural steel

GB/T 709 Hot-rolled steel plate and strip size, shape, weight and allowable deviation

GB/T 712 Structural steel for ships and marine engineering

GB/T 1591 Low-alloy high-strength structural steel

GB/T 3077 Alloy structural steel

GB/T 6414 Casting dimensional tolerance, geometric tolerance and machining allowance

GB/T 8923.1 Visual assessment of surface cleanliness of steel surface treatment before coating-Part 1: Uncoated steel The corrosion grade and treatment grade of the surface and the steel surface after the original coating has been completely removed

GB/T 12362 steel die forging tolerance and machining allowance

GB/T 13912 Technical requirements and test methods for hot-dip galvanizing of steel parts with metal covering

ISO 17905:2015 Ships and marine technology container securing device installation, inspection and maintenance (Shipsandmarine technology-Instalation, inspectionandmaintenanceofcontainersecuringdevicesforships)

3 Classification, parameters and main dimensions and marking examples