介绍了我国锚杆支护的发展历程,并分析了当前锚杆支护的现状。着重分析了我国当前使用的三大锚杆钻机的研制现状,并介绍了维护与保养的办法。 The development history of bolt support in our country is introduced, and the current status of bolt support is analyzed. The present situation of the research on the three big anchor drilling rigs currently used in our country is emphatically analyzed, and the ways of maintenance and maintenance are introduced.