Tunneling and supporting machine

Abstract

The invention discloses a tunneling and supporting machine which comprises a tunneling device (01), a supporting device and a guiding component (21), wherein the tunneling device (01) is articulated with a body (02) of the tunneling machine; one end of the guiding component (21) is fixedly connected with the body (02); the guiding component (21) can stretch along the tunneling direction of the tunneling and supporting machine; and the supporting device is installed at the other end of the guiding component (21). Thus, the supporting device does not need to be driven by the tunneling device to move back and forth in supporting operation, and the movement of the supporting device is not limited by the tunneling device; and the tunneling device (01) can rotate downward relative to the body (02), so that when the supporting device is in the supporting state, a cutting head touches the earth, thereby improving the safety performance of the tunneling and supporting machine in the supporting operation process.

Description

technical field [0001] The invention relates to the technical field of coal mining equipment, in particular to a digging and protecting machine. Background technique [0002] With the rapid development of my country's economic construction, the coal industry continues to develop in the direction of mechanization and automation, and comprehensive mechanized coal mining equipment is more and more widely used in coal production under various geological conditions. [0003] In the process of coal mining operations, in order to ensure the stability of the working face after the excavation and ensure the safety of the underground workers and the mine, the end face after the excavation must be supported by a support device. With the continuous development of comprehensive mechanized coal mining technology, the efficiency of mechanized tunneling is higher, but roadway support lags behind tunneling, seriously restricting the full play of the efficiency of roadheaders. Therefore, the...

AI Technical Summary

Problems solved by technology

[0006] However, the support part of the above-mentioned typical excavation and protection machinery is installed on the cutting device of the excavation part. During the process of the support operation of the excavation and protection machinery, the support part needs to rely on movements such as lifting and swinging of the cutting device to realize its function. Therefore, during the support process, the power components such as the cutting head in the cutting device are always in a roughly horizontally extended state, which is likely to cause personal injury to the construction personnel and damage to the excavation and protection machinery itself, making the excavation and protection The machinery has a high risk during support operations; at the same time, during the support process of the above-mentioned excavation and protection machinery, the stretching range of the telescopic oil cylinder 16 is limited, and when the distance between the top plate 13 and the cutting part is large , the force bearing capacity of the telescopic cylinder 16 is limited, resulting in a significant reduction in the support capacity, which limits the support range and support capacity of the excavation and protection machinery

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