A percussion drill and a percussion drill rig

Abstract

The utility model discloses an impact drill and impact drill complete equipment, one of which impact drill includes drill bit part, vibration device. Vibration device includes gear box and casing, and gear box forms the impact force. The frame body is fixed below the gear box, and is used for transmitting the impact force of vibration device to the blade, and the casing has the hanger seat, and the hanger seat is used for lifting upward, and when gear box and casing reciprocate, resist the upward movement of casing. The utility model discloses impact drill complete equipment, including above-mentioned one impact drill, derrick, equipment seat body, and the upper end of derrick is movably arranged on equipment seat body. The device structure is simple, and the manufacturing cost is low, and the vibration device in it can adopt mature technology's hydraulic vibration device or electric vibration device, and reliable in use, and the pile hole quality is good.

Claims

1. An impact drilling rig; comprising a drill bit portion for drilling into the soil; and a vibration device for providing impact force to the drill bit portion, characterized in that, The drill bit portion has a cutting tool and a frame for fixing the cutting tool; the outer contour of the cutting tool matches the cross-sectional contour of the hole to be drilled. The vibration device includes a first part and a second part; the first part and the second part are movably connected, and during operation, the first part and the second part reciprocate relative to each other to generate an impact force; The frame is fixed to the first part and is used to transmit the impact force of the vibration device to the cutting tool. The second part has a lifting seat for lifting upwards and for resisting the upward movement of the second part when the first part and the second part move back and forth.

2. A percussion drill rig as claimed in claim 1, characterized in that The vibration device is a hydraulic vibration device, the first part of which is the gearbox of the hydraulic vibration device, which has hydraulic oil pipes that pass through the hanger and are connected to a hydraulic pump, which provides power to the hydraulic vibration device; the second part is the housing of the hydraulic vibration device.

3. A percussion drill rig as claimed in claim 1, characterized in that The vibration device is an electric vibration device; the vibration device has a built-in electric vibration motor; the first part is the electric vibration motor, and the second part is a housing that is movably connected to the electric vibration motor.

4. The impact drilling rig as described in claim 1, characterized in that, The frame includes a ring beam, which is either a circle or a non-circle, and whose closed-loop structure matches the profile of the hole to be drilled. The cutting tool is one of the following: (1) A closed-loop cutting tool that conforms to the profile of the hole to be drilled; specifically, the lower edge of the ring beam is the cutting tool. (2) It consists of several drill teeth fixed to the frame; the drill teeth are downward-pointing wedge-shaped bodies, distributed and fixed under the ring beam.

5. A percussion drill rig as claimed in claim 4, characterised in that, The frame is also provided with several intersecting reinforcing beams, and the ring beams are fixed on the reinforcing beams; the reinforcing beams are longitudinally intersecting vertical plates; Above the reinforcing beam is a connecting seat, which consists of a horizontally arranged bottom plate and a top plate; the bottom plate and the top plate are fixed together by reinforcing ribs; the lower part of the first section has a lower mounting seat, and the top plate is used to connect and fix to the lower mounting seat; the bottom plate is used to fix to the upper edge of the vertical plate.

6. The impact drilling rig as described in claim 1, characterized in that, The second part has a horizontally arranged connecting plate above it, and several longitudinal stiffeners fixed to the shell are distributed around the second part. The upper edge of the stiffeners is fixed to the lower surface of the connecting plate. The suspension system includes a horizontally arranged suspension plate; The hanging plate is fixedly connected to the connecting plate; A hoisting frame is installed above the hoisting plate; a longitudinal sleeve is installed in the middle of the hoisting frame, and several reinforcing vertical plates are arranged around the sleeve, with hoisting holes opened in the sleeve wall.

7. A percussion drill rig as claimed in claim 1, characterized in that A guide cage is provided to surround the vibration device; the guide cage is composed of several longitudinal guide plates, the outer wall surface of the guide plates corresponds to the outer contour of the cutting tool and matches the cross-sectional contour of the hole to be drilled. The guide plate is one of the following: (1) The upper edge of the guide plate is fixed to the hanger, and the middle and lower parts of the guide plate are fixed to the second part by connecting beams; (2) The lower edge of the guide plate is fixed to the frame, and the middle and upper parts of the guide plate are fixed to the first part through the connecting beam.

8. A complete set of percussion drilling rig, characterized in that, Includes an impact drilling rig as described in any one of claims 1-7; The drill bit, vibration device, and lifting seat are located inside the drilled hole during drilling. Includes a boom for resisting the upward movement of the lifting seat and the second part during the reciprocating motion of the first part and the second part, and for lifting the impact drilling rig; The lower end of the boom is fixed to the support. Includes the equipment base; the upper end of the boom is movably mounted on the equipment base.

9. A percussion drilling rig package according to claim 8, characterised in that, The boom is a vertically movable rod; the support is adapted to and fixedly connected to the lower end of the boom; Specifically, the lower end of the boom is provided with a pin hole corresponding to the lifting hole on the boom seat. The lower end of the boom is inserted into the sleeve, and the connecting pin is inserted into the lifting hole and the pin hole respectively to fix the lower end of the boom to the sleeve.

10. The complete set of impact drilling equipment as described in claim 8, characterized in that, The equipment base is either a traveling vehicle or a fixed frame; The hydraulic pump is connected to the gearbox via a hydraulic oil pipeline; the hydraulic pump is located in one of the following positions: (1) On the traveling vehicle; (2) On the hanging seat; (3) On the fixed frame; (4) On the hanging rod; (5) Set separately at the hole to be drilled.

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