Haulage roadway support advancing mechanism
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- ZHENGZHOU COAL MINING MACHINERY GRP
- Publication Date
- 2021-03-30
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention relates to the field of fully mechanized mining in coal mines, in particular to a transport roadway support traveling mechanism. Background technique
[0002] The strengthened support (including end support and advance support) of the transport roadway in fully mechanized mining and fully mechanized caving working faces in coal mines has always been an important link affecting coal safety and efficient mining. The "Coal Mine Safety Regulations" stipulates: Within 20m of the connection between the exit and the roadway, the support must be strengthened; the "Notice of the State Coal Mine Safety Supervision Bureau on Strengthening the Prevention and Control of Rock Burst in Coal Mine" stipulates that mines with rock burst regulations have safe exits from coal mining faces with impact risks. The advance support range at the connection with the roadway shall not be less than 70 meters, and the advance support range at the connection between th...