GB/T 21962-2020
Corn combine harvester

Standard No.

GB/T 21962-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 21962-2020

Replace

GB/T 21962-2008 GB/T 21961-2008

Scope

Normative Reference Documents PE Terms and Definitions Product Type, Model and Basic Parameters and Ne 4.1 Product Type 4.2 Production Model 4.3 Basic Parameters Safety Requirements Main Performance Indicators 6.1 Operational Performance 6.2 Reliability Technical Requirements 7.1 Whole Ticket Requirements 7.2 "Main Parts and Components Requirements for test methods 8.1 Test preparation 8.2 "Test instruments and equipment 8.3 Test conditions 8.4 General requirements ~ On CI heart CAMo Oo 8.5 Technical parameter test 8.6 Performance test test flight 8.7 "Noise test 8.8 Braking performance test station Ne 8.9 Reliability Test station ee 9 Inspection regulations Ne 9.1 Factory test 9.2 Type inspection Ne 9.3 "Assessment rules pe 10 Marking and transportation and storage Appendix A (normative appendix) Reliability test method for maize harvesting Ne Appendix B (normative appendix) maize Harvesting machinery failure modes and classification examples pp co co nmamn an up up oo mw wm mm cms GB/T21962-2020 Before this standard is drafted in accordance with the rules given in GB/T1.1-2009. This standard replaces GB/T21962-2008 "Technical Conditions for Corn Harvesting Machinery" and GB/T21961-2008 "Test Methods for Corn Harvesting Machinery". Compared with GB/T21962-2008, the main technical changes of this standard are as follows: - Standard scope (see Chapter 1, Chapter 1 of the 2008 edition); --- Modified the normative references (see Chapter 2, Chapter 2 of the 2008 edition); --- Added the product type, model and basic parameters ( - see Chapter 4); --- added requirements for safety start-up devices (see 5.8); modified brake performance requirements (see 5.9, 4.8 of the 2008 edition); --- added corn ear sunflower harvesters and fresh corn harvesters Relevant requirements for ear corn harvester (see 6.1); - revised the main performance indicators (see Table 1, Table 1 of the 2008 edition); - improved the requirements for the whole machine (see 7.1, Chapter 5 of the 2008 edition ); --- Modified the diesel engine starting requirements (see 7.2.1.2, 5.4 of the 2008 edition); --- Added the diesel engine calibration power and emission limit requirements (see 7.2.1.3, 7.2.1.4); --- Added corn-based According to the technical requirements of the platform, the requirements for the descending speed have been added (see 7.2.2.2); the requirements for ear elevators, peeling devices, grain recovery devices, threshing separation devices, and stalk processing systems have been added (see 7.2.3-7.2.7) ); --- Added the requirements for the pollution limit of the hydraulic system (see 7.2.8.4); --- Added the requirements for the driving axle and transmission box of the drive system (see 7.2.9.3); --- Improved the relevant requirements for the electrical system (see 7.2 .10.5.7.2.10.6.7.2.10.7, 5.8 of the 2008 edition); revised inspection. Sampling inspection items (see Table 3, Table 4, Table 2, Table 3 of the 2008 edition). This standard is consistent with GB/T21961-2008 In comparison, the main technical changes are as follows: --- revised the standard scope (see Chapter 1, Chapter 1 of the 2008 edition); --- revised the braking performance test (see 8.8, 6.5 of the 2008 edition); --- deleted Determination of power indicators (6.3 of the 2008 edition); add normative appendices one by one (see appendix A, appendix B). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SACVTC201). This standard was drafted: Lovol Heavy Industry Co., Ltd. China Academy of Agricultural Mechanization Sciences. Hebei Yinghu Agricultural Machinery Manufacturing Co., Ltd. Taian Dial Machinery Technology Co., Ltd. Zhengzhou Zhonglian Harvesting Machinery Co., Ltd. Yongmeng Machinery Co., Ltd. Shandong Tai'an City Agricultural Machinery Research Institute. The main drafters of this standard: Zhang Mingyuan, Wei Zengde, Zhao Qingliang\, He Song`. Liu Yanqiu, Wang Zhongmin, Li Xia. Zhu Mengyao, Xie Wendong, Wang Yong, Fu Kui. This standard is The release status of the previous versions replacing the standard is: - GB/T21961-2008; - GB/T21962-2008. GB/T21962-2020 Scope of Corn Harvesting Machinery This standard specifies the terms and definitions of corn ear harvesters, corn kernel harvesters, corn ear banana harvesters, fresh corn harvesters and seed ear corn harvesters. Product types, models and Basic parameters. Safety requirements. Main performance indicators, technical requirements, test methods, inspection rules and signs, transportation and storage. 2

GB/T 21962-2020 history

• 2020 GB/T 21962-2020 Corn combine harvester
• 2008 GB/T 21962-2008 Technical requirements for maize combine harvester

GB/T 21962-2020 Corn combine harvester has been changed from GB/T 21961-2008 Test methods for maize combine harvester.