An automatic leveling down-the-hole drilling machine and its control method

Abstract

The invention discloses an automatic leveling down-the-hole drill and a control method thereof. The automatic leveling down-the-hole drill comprises a vehicle frame body, walking frames and at least two leveling oil cylinders. A connecting main shaft is arranged between the frame body and the walking bars. The leveling oil cylinders are arranged at the two sides of the frame body. The upper end of each leveling oil cylinder is hinged to the front end of the frame body, and the lower end of the leveling oil cylinders are hinged to the walking frames. The leveling oil cylinders communicate with each other through oil passages and oil can enter and return to the leveling oil cylinders freely. When the drill walks, because the leveling oil cylinders communicate with each other through oil passages and oil can enter and return to the leveling oil cylinders freely, automatic oil entering and returning and automatic stretching and contracting can be conducted according to the gravity distribution of the drill, the frame body is driven to swing round the connecting main shaft, and automatic leveling can be conducted, and the effect that the frame body can be kept stable when the drill walks on the bumpy ground is realized.

Description

technical field [0001] The invention relates to a down-the-hole drilling machine, in particular to an automatic leveling down-the-hole drilling machine and a control method thereof, belonging to the technical field of drilling machine structures. Background technique [0002] The down-the-hole drilling rig is a kind of hole-forming equipment used in mine municipal projects. The down-the-hole drilling rig can drill holes in rocks with medium hardness or above. In the hole, the impactor is installed in the front section of the drill pipe, submerged into the bottom of the hole, and continues to deepen with the extension of the drill hole. In the existing drilling rigs, the frame body and the walking frame are generally welded together. In practical applications, since the drilling rig needs to walk on rough roads frequently, the frame body will be uneven during the walking process, and the walking frame on one side will bear More weight not only affects the service life of the...

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Problems solved by technology

[0004] In view of the above-mentioned problems in the prior art, the object of the present invention is to provide an automatic leveling down-the-hole drilling machine and its control method, which aims to overcome the problem of uneven force on the walking frame when the existing drilling machine walks on rough and uneven roads. question

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