Double-bottomed cut-off auger hopper--Double-bottomed sand hopper

Features：

Customizable hand-automatic integrated locking bottom mechanism, built-in anti-suction drilling flow hole;.

Integral center cone, curved guide plate tooth layout, large drilling tools with double open-lock bottom mechanism design.

Staggered arrangement of drilling teeth trajectory, cross-coverage in the whole section, creating free surface for each other.

Applicable stratum: gravel layer, pebble layer, strongly weathered and moderately weathered rock layer.

Spectrum table：

Remarks: All units of measurement are in millimeters (mm); weight units are in kilograms (kg).

Customizable items:

Cutting diameter customization: design the cutting diameter according to the customer's demand, such as φ950, φ1050, etc., which is mostly used in conjunction with casing construction.

Cylinder height customization: design the cylinder height according to the customer's demand, such as raising the height to 1500, 2000, increase the single drilling volume, improve the construction efficiency.

Customization of the weight structure strengthening: according to the customer's needs to strengthen the parameters of each part, such as wall thickness, bottom plate thickening, etc.

Customized soil inlet: single door and double door can be customized according to customer's demand.

Single and double bottom customization: single bottom, double bottom can be customized according to customer needs; nar

Square head size customization: according to the customer's drill pipe square head customized drilling tools square head size, usually 130x130, 150x150, 200x200, etc.;

Unlocking mechanism customization: semi-automatic and manual unlocking mechanism can be customized according to customer's requirements.