Standard No.:	GB/T 21956.1-2015
English Name:	Protective structure strength on narrow-track wheeled agricultural and forestry tractors—Testing method and acceptance condition—Part 1：Static testing method of front mounted ROPS
Chinese Name:	农林用窄轮距轮式拖拉机防护装置强度 试验方法和验收条件 第1部分：前置式静态试验方法
Chinese Classification:	T69    Cab and others
Professional Classification:	GB    National Standard
ICS Classification:	65.060.10 65.060.10    Agricultural tractors and trailed vehicles 65.060.10
Issued by:	AQSIQ; SAC
Issued on:	2015-12-10
Implemented on:	2016-7-1
Status:	superseded
Superseded by:	GB/T 21956.1-2024
Superseded on:	2024-11-1
Superseding:	GB/T 21956.1-2008 The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 1: Static testing method of front mount
Language:	English
File Format:	PDF
Word Count:	22500 words
Price(USD):	630.00
Delivery:	via email in 1~3 business day

GB/T21956的本部分规定了农业、林业窄轮距轮式拖拉机前置式防护装置强度的静态试验方法和验收条件。
本部分适用于具有两轴的充气轮胎拖拉机,其前轴和后轴最低点的离地间隙不大于600mm;对前轮或后轮装有最大尺寸轮胎的,无论轮距是固定的或可调的,拖拉机最小轮距均不大于1150mm;拖拉机不带配重质量(包括防护装置和生产厂家提供的最大轮胎)大于400kg,小于3500kg。质量比不超过1.75。最大使用质量不超过5250kg。