GB/T 5262-1985
Replaced
GB/T 21956.1-2024
Active
National standards
GB/T 21956.1-2024 Tractors for agriculture and forestry—Roll-over protective structures on narrow tractors—Part 1:Front-mounted ROPS
GB/T 21956.1-2024 Tractors for agriculture and forestry—Roll-over protective structures on narrow tractors—Part 1:Front-mounted ROPS
Basic Information
Standard Code:
GB/T 21956.1-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
The driver's cab and other parts of the vehicle are separated by a partition wall.
ICS Name:
Agricultural tractors and traction vehicles
Publish Date:
2024-04-25
Implement Date:
2024-11-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国拖拉机标准化技术委员会(SAC/TC 140)
Pages:
53 pages
Scope
本文件规定了农林窄轮距轮式拖拉机前置式翻滚防护装置的静态和动态强度试验规程，定义了容身区并且确定了前置固定或可折叠双柱式（包括所有附属的后部刚性部件）翻滚防护装置的验收条件，规定了安全带固定装置和前置式翻滚防护装置折叠力的可选试验规程。
本文件适用于具有以下特征的拖拉机：
——前轴和后轴最低点的离地间隙不大于600 mm（不包括差速器的最低点）；
——对前轮或后轮有最大尺寸轮胎的，无论轮距是固定的或可调的，拖拉机的最小轮距均不大于1 150 mm；
——拖拉机无配重质量（包括翻滚防护装置和制造商推荐的最大轮胎）大于400 kg且小于3 500 kg；
——配备了仅能安装在座椅标志点（SIP）前部的双柱式翻滚防护装置；
——质量比（mr）不大于1.75。
Development Information
Drafting Units:
中国一拖集团有限公司、洛阳西苑车辆与动力检验所有限公司、湖南农夫机电有限公司、洛阳拖拉机研究所有限公司
Drafting Persons:
杨茵、贾方、黄俊维、史金钟、王风雨、首元锋、王琳、王宁毅、何志伟、陈嵩、闫科颖、张西歌、郭晶晶、刘包峰
Same series standard
Replace the following standards
GB/T 21956.1-2015 Protective structure strength on narrow-track wheeled agricultural andforestry tractors—Testing method and acceptance condition—Part 1:Static testing method of front mounted ROPS
GB/T 21956.2-2015 Protective structure strength on narrow-track wheeled agricultural and forestry tractors—Testing method and acceptance condition—Part 2:Dynamic testing method of front mounted ROPS
Referenced Standards
GB/T 12265-2021 Safety of machinery—Minimum gaps to avoid crushing of parts of the human body
GB/T 20118-2017 Steel wire ropes for general purposes
GB/T 229-1994 Metallic materials—Charpy notch impact test
GB/T 229-2007 Metallic materials—Charpy pendulum impact test method
GB/T 229-2020 Metallic materials—Charpy pendulum impact test method
GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units
GB/T 6236-2008 Tractors and machinery for agricultural and forestry—Seat index point
GB/T 6960.1-1995 Tractor terminology—Complete tractor
GB/T 6960.1-2007 Tractor terminology—Part 1:Complete tractor
GB/T 6960.7-1995 Tractor terminology—Cab, seat and sheet metal
GB/T 6960.7-2007 Tractor terminology—Part 7:Cab, seat and sheet metal
GB/T 33641.2-2017 Tractors and machinery for agriculture and forestry—Seat belts—Part 2:Anchorage strength requirements
GB/T 34560.1-2017 Structural steels—Part 1:General technical delivery condition for hot-rolled products
GB/T 34560.2-2017 Structural steels—Part 2:Technical delivery conditions for structural steels for general purposes
GB/T 34560.3-2018 Structural steels—Part 3:Technical delivery conditions for fine grain structural steels
GB/T 34560.4-2017 Structural steels—Part 4:Technical delivery conditions for high yield strength quenched and tempered structural steel plates
GB/T 6960.1-2025 Tractor terminology—Part 1:Complete tractor
Adopt standards
ISO 12003-1:2021
Related Standards
GB 7121-1986
Replaced
GB 7121-1986 Agricultural and forestry wheeled tractors—Protective structures—Test method in the strength and acceptance conditions
GB 1593.4-1987
Abolished
GB 1593.4-1987 Agricultural wheeled tractors—Three-point linkage—Part 4:Category 0
GB/T 13875-1992
Replaced
GB/T 13875-1992 The general specification for walking tractors
GB/T 13876-1992
Replaced
GB/T 13876-1992 Agricultural wheeled tractors—Evaluation criteria of whole body vibration of the operator
GB/T 13878-1992
Abolished