標準編號:	QC/T 946-2024
中文名稱:	汽車安全帶織帶
英文名稱:	Safety belt strap
中標分類:	T26    車身（駕駛室）及附件
行業(yè)分類:	QC    汽車行業(yè)標準
ICS分類:	43.040.60 43.040.60    車身及車身附件 43.040.60
發(fā)布機構(gòu):	中華人民共和國工業(yè)和信息化部
發(fā)布日期:	2024-07-05
實施日期:	2025-1-1
標準狀態(tài):	valid
替代舊標準:	QC/T 946-2013 汽車安全帶織帶性能要求和試驗方法
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	12000 字
翻譯價格(元):	840.0
交付時間:	付款后 1~3 個工作日

QC/T 946-2024 Safety belt strap 1 Scope This document specifies the technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of the safety belt strap. This document is applicable to the design, development, production, testing and acceptance of straps used for automobile safety belts. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 250 Textiles - Tests for colour fastness - Grey scale for assessing change in colour GB/T 251 Textiles - Tests for colour fastness - Grey scale for assessing staining GB/T 1220 Stainless steel bars GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 3920 Textiles - Tests for colour fastness - Colour fastness to rubbing GB/T 3922 Textiles - Tests for colour fastness - Colour fastness to perspiration GB 8410 Flammability of automotive interior materials GB/T 8427-2019 Textiles - Tests for colour fastness - Colour fastness to artificial light: xenon arc fading lamp test GB/T 30512 Requirements for prohibited substances on automobiles GB 38262 Flammability of interior materials for buses GB/T 39897-2021 Determination of volatile organic compounds and aldehydes and ketones in nonmetallic parts of vehicles QC/T 236 Test method for automotive interior material properties FZ/T 60045-2014 Textile trim materials in the interior of automobiles Test method for fogging characteristics 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 strap flexible component designed to hold the occupant’s body and to transmit stresses to the belt anchorages 3.2 diagonal belt strap which passes diagonally across the front of the chest from the hip to the opposite shoulder 3.3 lap belt strap which passes across the front of the wearer’s pelvic region 3.4 continuous belt strap with the diagonal belt and the lap belt integrated in one piece 4 Technical requirements 4.1 General requirements 4.1.1 The safety belt strap shall meet the requirements of this document, and shall be manufactured according to the product drawings approved through specified procedures. 4.1.2 The specifications of strap thickness shall be agreed upon by the supplier and purchaser. 4.1.3 The strap width shall not be less than 46mm when tested in accordance with 5.2. 4.2 Performance requirements 4.2.1 Tensile load When the strap is tested in accordance with 5.1.2, the tensile loads of the two specimens shall not be less than those specified in Table 1. The difference between the tensile loads of two specimens shall not exceed 10% of the measured tensile load, whichever is greater.

Contents Foreword III 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements 5 Test methods 6 Test rules 7 Marking, packaging, transportation and storage

汽車安全帶織帶 1 范圍 本文件規(guī)定了汽車安全帶織帶的技術(shù)要求、試驗方法、檢驗規(guī)則及標志、包裝運輸和儲存等。 本文件適用于汽車安全帶所使用的織帶的設(shè)計、開發(fā)、生產(chǎn)、測試和驗收。 2 規(guī)范性引用文件 下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。 其中，注日期的引用文件，僅該日期對應(yīng)的版本適用于本文件； 不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。 GB/T 250 紡織品 色牢度試驗評定變色用灰色樣卡 GB/T 251 紡織品 色牢度試驗評定沾色用灰色樣卡 GB/T 1220 不銹鋼棒 GB/T 2828.1 計數(shù)抽樣檢驗程序第1部分： 按接收質(zhì)量限(AQL) 檢索的逐批檢驗抽樣計劃 GB/T 3920 紡織品 色牢度試驗?zāi)湍Σ辽味?GB/T 3922 紡織品 色牢度試驗?zāi)秃節(jié)n色牢度 GB8 410 汽車內(nèi)飾材料的燃燒特性 GB/T 8427—2019 紡織品色牢度試驗?zāi)腿嗽旃馍味龋?氙弧 GB/T 30512 汽車禁用物質(zhì)要求 GB 38262 客車內(nèi)飾材料的燃燒特性 GB/T 39897—2021 車內(nèi)非金屬部件揮發(fā)性有機物和醛酮類物質(zhì)檢測方法 QC/T236 汽車內(nèi)飾材料性能的試驗方法 FZ/T 60045—2014 汽車內(nèi)飾用紡織材料霧化性能試驗方法 3 術(shù)語和定義 下列術(shù)語和定義適用于本文件。 3.1 織帶 strap 用于約束乘員身體并將所受到的力量傳到安全帶固定點的柔性部件。 3.2 肩帶 diagonal belt 用于臀部斜跨前胸至另一側(cè)肩部的織帶。 3.3 腰帶 lap belt 用于橫跨佩戴者骨盆部位前方的織帶。 3.4 連續(xù)帶 continuous belt 肩帶和腰帶是由一根整體構(gòu)成的織帶。 4 技術(shù)要求 4.1 通用要求 4. 1. 1 汽車安全帶織帶應(yīng)符合本文件的要求，并按規(guī)定的程序批準產(chǎn)品圖樣制造。 4. 1. 2 織帶厚度的規(guī)格應(yīng)由供需雙方商定。 4.1.3 織帶按5. 2的規(guī)定試驗時，織帶的寬度應(yīng)不小于46 mm。 4. 2 性能要求 4. 2. 1 抗拉載荷 織帶按5. 1. 2的規(guī)定試驗時，兩件試樣的抗拉載荷應(yīng)不小于表1的規(guī)定。兩件試樣抗拉載荷之差應(yīng)不超過所測得的抗拉載荷較大值的10%。