Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization—Part 1: Rules for the structure and drafting of standardizing documents.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This standard was proposed and under the jurisdiction of the China Machinery Industry Federation.
Drafting organizations of this document: China Machinery Huanyu Certification and Inspection Co., Ltd., China Hoisting & Conveying Equipment Quality Detection and Inspection Center, Beijing Materials Handling Research Institute Co,. Ltd., Linde (China) Forklift Truck Corp., Ltd., Anhui Heli Co., Ltd., E-P-Equipment, Hangcha Group Co., Ltd., Toyota Industry (Kunshan) Co., Ltd., Crown Equipment (Suzhou) Co., Ltd., Ningbo Ruyi Joint Stock Co., Ltd., Noblelift Intelligent Equipment Co., Ltd., Lonking Holdings Limited, Jungheinrich Forklift Manufacturing (Shanghai) Co., Ltd. and Liugong Forklift Co., Ltd.
Chief drafter of this document: Lei Xiaowei, Wang Jun, Gao Yongqiang, Zhang Jinxia, Zhuang Zhimei, Ni Jingzhong, Wang Shenggan, Xu Chunxiang, Lu Shiming, Jiang Hua, Ye Qingyun, Chen Lisheng, Meng Xiangji, Ma Yi, Xu Tao and Wei Wenqin.
This document is issued for the first time.
Introduction
This document is formulated to respond to the national guidance on quality improvement actions, stimulate the quality innovation, and establish the basic technical requirements and grading methods for the quality grading system. The technical clauses of this document advocate high quality and good price, guide and protect the enthusiasm of enterprises for quality innovation and quality improvement, and provide technical support for industry associations and professional institutions to openly and fairly promote quality grading evaluation; through professional judgment, complex quality information will be made explicit, which will provide technical support for perfecting the market mechanism of high quality and good price.
This document targets 500kg ~ 10000kg rider-controlled counterbalance lift trucks, and establishes quality grading standards by selecting appropriate technical indexes and test methods so as to create a healthy market environment for survival of the fittest, and improve the technology and quality level of the whole industry through the guidance of high quality and good price.
Specifications for quality grading of 500kg ~ 10 000kg rider-controlled counterbalance lift trucks
1 Scope
This document specifies the quality grading principle, quality grading, grading index, sampling, inspection method, judgment and document management of 500kg ~ 10000kg rider-controlled counterbalance lift trucks.
This document is applicable to the quality grading of rider-controlled counterbalance lift trucks. It may be also used as a reference for quality grading of other types of motor industrial vehicle.
2 Normative references
The following documents contain provisions 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 5143 Industrial trucks—Overhead guards—Specification and testing
GB/T 6104.1 Industrial trucks—Terminology and classification—Part 1: Types of industrial trucks
GB/T 9286-1998 Paints and varnishes—Cross cut test for films
GB/T 18849 Powered industrial trucks—Brake performance and component strength
GB/T 26949.2 Industrial trucks—Verification of stability—Part 2: Counterbalanced trucks with mast
GB/T 26560 Powered industrial trucks—Safety signs and hazard pictorials—General principles
GB/T 27693 Safety of industrial trucks— Test methods for measuring noise emissions
GB/T 30031 Industrial trucks—Electromagnetic compatibility
JB/T 2391 500kg~10 000kg rider-controlled counterbalance forklift trucks
JB/T 3300 Counterbalanced fork-lift trucks—Testing method for whole machines
JB/T 11764 Internal combustion counterweight forklift trucks—Limit value of energy efficiency
JB/T 11988 Internal combustion counterweight forklift trucks—Energy efficiency test method
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 6104.1 apply.
4 Grading principle
4.1 Scientificness
The quality grading of 500kg ~ 10000kg rider-controlled counterbalance lift trucks (hereinafter referred to as the lift trucks) shall be full and accurate in data and rigorous in logic, and the samples shall be representative and extensive.
4.2 Advancement
The quality grading of the trucks shall focus on efficiency, reliability, environmental protection, safety and safety monitoring, as well as key parameters or performance with great influence and high attention.
4.3 Applicability
The quality grading of the trucks shall consider the coordination and operability of relevant standards under the condition of equal performance.
5 Quality grading
5.1 General
The trucks shall pass the end-of-manufacturing inspection. The quality of physical products is graded into qualified products, superior products and imperial products.
5.2 Qualified products
The physical quality shall be in accordance with JB/T 2391 and shall be in accordance with those specified in Table 1 or Table 2.
5.3 Superior products
The physical quality shall be qualified and in accordance with those specified in Table 1 or 2.
5.4 Imperial products.
The physical quality shall be qualified and in accordance with those specified in Table 1 or 2.
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Grading principle
4.1 Scientificness
4.2 Advancement
4.3 Applicability
5 Quality grading
5.1 General
5.2 Qualified products
5.3 Superior products
5.4 Imperial products.
6 Grading index
7 Sampling method
8 Inspection method
8.1 General requirements
8.2 Determination of main performance parameters
8.3 Energy efficiency test of internal combustion lift truck
8.4 Reliability test
8.5 Noise test of internal combustion lift truck (radiated sound power level)
8.6 Electromagnetic compatibility test
8.7 Lifting capacity monitoring test
8.8 Parking brake state monitoring test
8.9 Operator standing/sitting state monitoring test
8.10 Stability test
8.11 Overhead guard test
8.12 Braking performance test
8.13 Appearance quality inspection
8.14 Function evaluation
8.15 Adhesion test of paint film
8.16 Determination of available working time of battery lift truck after charging once
8.17 Determination of charging and discharging cycle number of traction battery
8.18 Lifting height monitoring test of battery lift truck
8.19 Monitoring test on battery lift truck steering wheel angle
9 Judgment
9.1 Defective items and classification
9.2 Calculation of total equivalent number D
9.3 Judgment of prototype inspection results
10 Document administration
Annex A (Normative) Scoring principle of appearance quality inspection
Annex B (Normative) Content of function evaluation
References
Table 1 Quality grading index of internal combustion lift truck
Table 2 Quality grading index of battery lift truck
Table 3 Defective items and classification
Table A.1 Scoring principle of appearance quality inspection
Table B.1 Content of function evaluation
