Drill for concrete sampling
The utility model relates to a drill for concrete sampling used for the engineering quality detection of the bolt-spray support of the underground coal mine. The existing detection implement uses a TJ6 pneumatic roof bolt stirring mill, a drill clamping head, a drilling rig, and compressed air which...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to a drill for concrete sampling used for the engineering quality detection of the bolt-spray support of the underground coal mine. The existing detection implement uses a TJ6 pneumatic roof bolt stirring mill, a drill clamping head, a drilling rig, and compressed air which is used as the motive power. The utility model uses an explosion proof motor as the power source. The utility model is composed of a reduction box, a motor, and a switch box. The reduction box is arranged on the front end of the motor, the switch box is arranged on the lower end of the motor, and a drilling rig is arranged on a hexagon sleeve arranged on the front end of the output shaft of the reduction box. The utility model has the advantages of small size, light weight, convenient operation, flexible operation, no motive power limitation, etc. |
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