According to a drilling process, an impact drilling mechanism having an impact tube (3) in which is housed an inner tube (5) with a rock drill hammer (6) is actuated by means of a hydraulic rotary impact drilling mechanism (1).
The invention relates to a method and a device for boring holes (3) in the ground or in rock, especially by means of percussive boring or rotary percussive boring.
The invention relates to a hammer drilling device with a pneumatic reversing gear.
The invention relates to a method and a device for boring, especially for the percussion boring or rotary percussion boring of holes in soil or rock.
The invention relates to a method and a device for boring, especially for the percussion boring or rotary percussion boring of holes in soil or rock.
The present invention relates to a hydraulic "down-the-hole" (DTH) percussion drilling apparatus for drilling holes in a terrain.
The hammer tube (13) is decoupled from the rotary drive when in the 'impact drilling ' operating mode and is secured in a non-rotative manner in the housing (10) when in the 'chiselling' operating mode.
The impact drilling mechanism and the rock drill hammer can thus be used simultaneously, as there is no reason to fear that the rock drill hammer (6) will be damaged by outer impacts, nor that the screwed connection of the inner tube (5) will unloose.
According to a drilling process, an impact drilling mechanism having an impact tube (3) in which is housed an inner tube (5) with a rock drill hammer (6) is actuated by means of a hydraulic rotary impact drilling mechanism (1).
The invention relates to a method and a device for boring holes (3) in the ground or in rock, especially by means of percussive boring or rotary percussive boring.
The invention relates to a hammer drilling device with a pneumatic reversing gear.
The invention relates to a method and a device for boring, especially for the percussion boring or rotary percussion boring of holes in soil or rock.
The invention relates to a method and a device for boring, especially for the percussion boring or rotary percussion boring of holes in soil or rock.
A process and device are disclosed for boring holes in soil or rocks, in particular for percussion or rotary percussion boring.
The present invention relates to a hydraulic "down-the-hole" (DTH) percussion drilling apparatus for drilling holes in a terrain.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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