Full-hydraulic caterpillar telescopic four-arm roof bolter

By designing a fully hydraulic crawler telescopic four-arm anchor bolt drilling rig for underground coal mines, the problem of inconvenient movement caused by the large size of the anchor bolt drilling rig was solved, achieving high efficiency and stability in drilling and adapting to the narrow space in coal mine roadways.

CN224742324UActive Publication Date: 2026-09-11SHANDONG XIANGDE ELECTROMECHANICAL
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Patent Information

Application Number
CN202522351691.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-06
Publication Date
2026-09-11
Estimated Expiration
2035-11-06

AI Technical Summary

Technical Problem

The existing anchor drilling rigs are too large, which makes them inconvenient to move in coal mine roadways and affects drilling efficiency.

Method used

A fully hydraulic tracked telescopic four-arm anchor bolt drilling rig for underground coal mines was designed, including a telescopic drill arm and various hydraulic drive devices. By adjusting the angle and height of the drill arm, the drilling flexibility and efficiency can be achieved.

Benefits of technology

It improves drilling efficiency and stability, adapts to movement in narrow spaces, and enhances drilling flexibility and accuracy.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to a coal mine underground full -hydraulic caterpillar band telescopic four -arm anchor rod drilling machine, including the vehicle body frame, four drill arms of horizontal arrangement, including the crossbeam of connecting four drill arms, with the telescopic arm of crossbeam rotary connection, and with telescopic arm hinged slip bush, the slip bush is along the height direction and links to each other on the stand, be equipped with the rotary drive device that drives telescopic arm to rotate along the vertical direction on the slip bush, be equipped with the slewing drive that drives the rotation of crossbeam on telescopic arm, the utility model discloses the setting of rotary drive, the drilling angle of drill arm is adjusted conveniently, thereby the angle of drilling is adjusted conveniently on site, through the height of slip bush, the height of telescopic arm is adjusted conveniently, thereby conveniently through drive device drive makes telescopic arm and drill arm rotate downwards to the inside, thereby reduce the volume, through the setting of four drill arms, guarantee the working efficiency of drilling, through the setting of displacement oil cylinder and support frame, conveniently drive drill arm to move back and forth on the transverse, thereby convenient drilling.
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