家用电梯机械阻止装置存在的问题及改进设计

Problems of the Mechanical Blocking Device for Home Lift and Its Improvement Design

介绍了家用电梯配置保证顶层空间和底坑空间的机械阻止装置的原因．列举了国家标准在上、下机械阻止装置的要求，指出了两种上、下机械阻止装置存在的问题，最后提出了上、下机械阻止装置的改进设计。

The reason setting up the mechanical blocking device to ensure the space of headroom and pit of home lift is introduced. The requirements of national standard in the upper and lower mechanical blocking device are listed, and the problems of two kinds of mechanical blocking device and their improved design are pointed out.