Standard No.:	GB/T 21155-2015
English Name:	Earth-moving machinery―Machine-mounted audible travel alarms andforward horns―Test methods and performance criteria
Chinese Name:	土方机械 行车声响报警装置和前方喇叭 试验方法和性能准则
Chinese Classification:	P97    Architectural engineering construction machinery
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; MOH
Issued on:	2015-10-09
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB/T 21155-2007 Earth-moving machinery—Machine-mounted forward and reverse audible warning alarm—Sound test method
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	240.00
Delivery:	via email in 1~3 business day

本标准规定了ISO6165定义的土方机械上安装的行车声响报警装置和前方喇叭,在工作场地作业和公路行驶时机器声音输出性能的静态测定方法和报警开启要求。本标准提出了实际试验方法理论和性能准则。本标准不规定在特定机器上一个或多个行车声响报警装置或前方喇叭的安装规范,本标准也不规定报警装置功能性及耐久性的实验室试验。
本标准适用于安装在土方机械上的报警装置和喇叭。