JB/T 53521-1999
JTK Type Mine Hoist Winch Product Quality Grading (Internal Use)
JTK 型矿用提升绞车 产品质量分等 （内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量等级 → 4 试验方法 Foreword → 1 Scope → 2 Normative References → 3 Quality Grade → 4 Test Methods
Scope
This standard specifies the quality grades, test methods, and inspection rules for JTK type mine hoist winch products. This standard is applicable to evaluating the quality grades of JTK type mine hoist winch products with drum diameters of 1.2 m and above.
本标准规定了JTK 型矿用提升绞车产品的质量等级、试验方法和检验规则。本标准适用于评定卷筒直径在1.2 m 及其以上的JTK 型矿用提升绞车产品的质量等级。
Normative References
Keywords
Application Summary AI generated
Mining machinery manufacturers and quality inspection departments use this standard to grade the quality of JTK type mine hoist winches. It helps determine whether products meet qualified, first-class, or premium levels, ensuring safety and reliability. This standard is crucial for improving mining efficiency and protecting personnel.
矿山机械制造企业和质量检验部门使用本标准来评定JTK型矿用提升绞车的质量等级。它帮助确定产品是否达到合格品、一等品或优等品水平，从而确保设备的安全性和可靠性。该标准对提升矿山作业效率和保障人员安全至关重要。
AI Summary AI generated
This standard specifies quality grades, test methods, and inspection rules for JTK type mine hoist winches, applicable to products with drum diameters of 1.2 m and above. Quality grades are divided into qualified, first-class, and premium, based on technical level, finished product inspection, production quality, and user evaluation. It details indicators for overall performance, component performance, comprehensive technical requirements, reliability and life, as well as machining requirements for key parts. This standard replaces JB/T 53521—94, removing requirements for rope speed and brake shoe idle stroke time.
本标准规定了JTK型矿用提升绞车的质量等级、试验方法和检验规则，适用于卷筒直径1.2米及以上的产品。质量等级分为合格品、一等品和优等品，依据技术水平、成品检验、生产过程质量和用户评价确定。标准详细列出了整机性能、部件性能、综合技术要求、可靠性与寿命等指标，以及主要零件的加工制造要求。该标准替代了JB/T 53521—94，取消了钢丝绳速度和闸瓦空行程时间等要求。
Key Sentences extracted from text
本标准规定了JTK 型矿用提升绞车产品的质量等级、试验方法和检验规则。
产品的质量等级根据采用的标准、产品的技术水平、成品检验、生产过程中的质量检查和用户评价意见几个方面来确定，分为合格品、一等品和优等品三个等级。
产品的结构、性能、精度、安全、卫生、可靠性与寿命等质量指标达到国际一般水平，且实物质量水平达到国际同类产品一般水平。
产品的结构、性能、精度、安全、卫生、可靠性与寿命等质量指标达到国际先进水平，且实物质量水平与国外同类产品相比达到近五年内的先进水平。
本标准自实施之日起代替JB/T 53521—94。
This standard specifies the quality grades, test methods, and inspection rules for JTK type mine hoist winch products.
The quality grade of the product is determined based on the adopted standards, product technical level, finished product inspection, quality inspection during production, and user evaluation opinions, and is divided into three grades: qualified product, first-class product, and premium product.
The product's structure, performance, precision, safety, hygiene, reliability, and life quality indicators reach the international general level, and the actual quality level reaches the general level of similar international products.
The product's structure, performance, precision, safety, hygiene, reliability, and life quality indicators reach the international advanced level, and the actual quality level is comparable to foreign similar products within the past five years.
This standard replaces JB/T 53521—94 from the date of implementation.
Standard Timeline
Changes from replaced version:
- 取消了原标准整机性能中的钢丝绳速度、闸瓦空行程时间及其相应的试验方法
- Removed the wire rope speed, brake shoe idle stroke time, and corresponding test methods from the original standard's overall performance requirements