Cutting mechanism of double-drive telescopic drum for integrated bolter digging machine

Abstract

The invention belongs to the technical field of underground mining equipment parts in coal mines, and in particular relates to a double-drive telescopic roller cutting mechanism for a bolt-digging integrated machine. Including cutting motor, cutting arm, reducer, intermediate section cutting drum, telescopic section cutting drum and cutting drum telescopic oil cylinder, the reducer is installed on the cutting arm, two cutting motors are symmetrically arranged in the cutting Outside the arm, they are respectively connected to the input ends on both sides of the reducer to drive the reducer; the cutting drum in the middle section and the cutting drum in the telescopic section are installed on the horizontal axis output end of the reducer, and the telescopic oil cylinder of the cutting drum is built in the cutting section of the telescopic section. Inside the drum, the telescopic section cutting drum is arranged at both ends of the middle section cutting drum, and is driven by the telescopic oil cylinder of the cutting drum to expand and contract to both ends. The invention adopts a horizontal-axis retractable full-width cutting drum, and the full-width excavation can form the roadway section at one time, so as to improve the coal mine excavation efficiency and the quality of roadway formation, and realize the requirements of safe, efficient and fast excavation of large-section roadways in large mines.

Description

technical field [0001] The invention belongs to the technical field of underground mining equipment parts in coal mines, and in particular relates to a double-drive telescopic roller cutting mechanism for a bolt-digging integrated machine. Background technique [0002] At present, there are mainly three types of coal roadway excavation in my country: the first is the matching operation line of the cantilever type roadheader and the single bolter; the second is the matching operation line of the continuous coal miner and the bolter; the third is Integrated digging and anchoring machine. At present, the coal roadway excavation in my country is mainly based on the first type, which has a wide range of applications, but the excavation speed is relatively low. The second double-lane layout method, cross-transposition construction, has higher requirements on geological conditions. Under the condition of unstable roof conditions, the excavation speed will be greatly reduced, and it...

AI Technical Summary

Problems solved by technology

At present, the coal roadway excavation in my country is mainly based on the first type, which has a wide range of applications, but the excavation speed is relatively low.

The second double-lane layout method, cross-transposition construction, has higher requirements on geological conditions. Under the condition of unstable roof conditions, the excavation speed will be greatly reduced, and it is difficult to take advantage of its rapid excavation.

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