GB/T 7227-1999林业机械图形符号.pdf

Ics65.060.80 s90 暑8 中 华 人 民 共 和 国 国 家 标 准 Gs/T7227-1999 林业机械图形符号 Graphicalsymbolsforforestrymachinery 1999一01一25发布 1999一08一01实施 国 家 质 叠技 刁受监 督 局 发布 GB/T 7227-1999 目 次 前言 ·······················”·”····”··········································“·······························…… t 1 范围 ············“····“····”·······”·”······································································…… 1 2 引用标准 ·················································“··········································”·······…… 1 3 总则 .············.，························，·····································································…… 1 4 营林机械图形符号 ································”··········································”·············…… 1 5木材生产机械图形符号·············“······”······························································…·… 13 附录A(标准的附录) 林业机械图形符号的画法规定 ···“········································…… 27 附录B(提示的附录) 林业机械图形符号的应用图例 ·””····························”············…… 27 GB/T 7227-1999 前 言 本标准是根据林业机械科研、教学、生产的发展状况对GB/T7227-1987的修订，保留了绝大部分 林业机械 图形符号，并根据林业机械分类词汇(GB/T6926-1986)和便携式林业机械术语(GB/T 8136-1987)等标准对内容编排作了调整，删除了在实际生产中已淘汰或未应用的部分林业机械图形符 号(如GB/T7227-1987中的 3.1.4,3.1.10,3.1.40,3.1.44,3.1.45,3.2.1,3.2.2,3.2.6,3.2.13 等)，增加了林木病虫害防治机械、狩猎设备、种子机械和森林防火设备的部分林业机械图形符号(如本 标准4.3,4.9,4.52^4.58,5.61,5.62等)，修改了部分林业机械图形符号(如本标准4-36,4-49A-50, 4.51,5.46,5.59等)。本标准所有图形符号已建立了图形符号数据库。 本标准从生效之日起，同时代替GB/T7227-1987. 本标准的附录A是标准的附录。 本标准的附录B是提示的附录。 本标准由原中华人民共和国林业部提出。 本标准由全国林业机械标准化技术委员会归口。 本标准起草单位:南京林业大学。 本标准主要起草人:郑加强、周永钊、张凌枫、周宏平、沈浩、孙敏琪、万荷英、郭志哲、卓凤英。 中华 人 民共 和 国国家标 准