一种确保列车安全制动的三通折角塞门
申请公布号:CN2149324Y
申请号:CN92231629.5
申请日期:1992.08.28
申请公布日期:1993.12.15
发明人:张弘芳
分类号:B61H11/10
主分类号:B61H11/10
地址:334000江西省上饶市铁路列检所
摘要:一种确保列车安全制动的三通折角塞门,它是由塞门体(1)、塞门铜心(2)、底盖(3)、方头螺母(4)、手把(5)组成,在全通的状态下,在塞门体的外侧中心处开一个Φ12mm的通孔,此孔并穿过塞门铜心的壁厚,再将塞门铜心(2)旋转180°装入塞门体中。 该装置的特点是:当有人有意或无意关闭折角塞门时,它会使其后(或前)的所有车辆自动处于制动状态,机车驾驶员便能及时发现。
主权项:1、一种列车安全制动的三通折角塞门,其特征在于在折角塞门与主管道处于全通的正常工作状态时,在塞门体(1)的外侧中心处开一个φ12mm的通孔、此通孔并穿过塞门铜心(2)的壁厚,然后取出塞门手把(5),将塞门铜心(2)旋转180°再装回塞门把(5)。
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