CN-122014118-A - Energy-saving efficient piling drill bit
Abstract
The invention relates to the technical field of piling drill bits, in particular to an energy-saving efficient piling drill bit which comprises a lower drill bit rod, wherein a slurry spraying port is formed in the side face of the lower drill bit rod, an upper drill bit rod is fixedly connected to the top end of the lower drill bit rod, piling mechanisms which are convenient for efficient drilling are arranged on the side faces of the lower drill bit rod and the upper drill bit rod, a side grinding mechanism which is convenient for rotationally grinding the pile hole wall to increase lines is arranged at the outer end of each piling mechanism, four groups of mounting seats are respectively and fixedly connected to the side walls of the lower drill bit rod and the upper drill bit rod, and a lower piling arm is fixedly connected to the mounting seat. This energy-conserving high-efficient pile drill bit, through put pile arm and overhead pile arm respectively fixedly connected with on the mount pad of drill bit pole and last drill bit pole lateral wall fixed connection under, when all being equipped with on put pile arm and the overhead pile arm down and bore the toothholder and bore the tooth main part, put pile arm down and put the pile arm on the tooth main part of boring towards for opposite setting to broken big soil body in the time of being convenient for carry out the drilling.
Inventors
- CHEN YUQIANG
- Chen Qianhao
- WANG WENCAN
- LI YUNSHAN
- PAN JIANBO
- HOU XIAOMAO
- JIANG ZHEN
- CAO LINGJUN
- ZOU HAO
- XU LANGTAO
Assignees
- 中交上海航道局有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20260203
Claims (10)
- 1. The energy-saving efficient piling drill bit comprises a lower drill bit rod (1) and is characterized in that a guniting port (2) is formed in the side face of the lower drill bit rod (1), an upper drill bit rod (101) is fixedly connected to the top end of the lower drill bit rod (1), piling mechanisms (3) which are convenient for efficient drilling are arranged on the side faces of the lower drill bit rod (1) and the upper drill bit rod (101), and a side grinding mechanism (4) which is convenient for rotatably grinding the pile hole wall to increase lines is arranged at the outer end of each piling mechanism (3); pile mechanism (3) are including mount pad (301), lower pile arm (302), bore toothholder (303), bore tooth main part (304), upper pile arm (305) and reinforcing plate (306), four sets of mount pad (301) are fixed connection respectively in the lateral wall of lower drill bit pole (1) and upper drill bit pole (101), lower pile arm (302) fixed connection is on mount pad (301), bore toothholder (303) fixed connection on lower pile arm (302), bore tooth main part (304) fixed mounting on boring toothholder (303), upper pile arm (305) fixed connection is on mount pad (301), reinforcing plate (306) fixed connection is between mount pad (301), lower pile arm (302) and upper pile arm (305).
- 2. The energy-saving efficient piling drill bit according to claim 1, wherein the side grinding mechanism (4) comprises a plug bush (401), a rotary joint (402), a connecting roller (403), a lower wolf's tooth roller (404), an upper wolf's tooth roller (405), a slot (406), a connecting bolt (407), a lower grinding tooth (408), a mounting screw hole (409), a screw (410) and a screw (411), the plug bush (401) is arranged at the outer end of a mounting seat (301), the rotary joint (402) is fixedly arranged at the outer end of the plug bush (401), the connecting roller (403) is inserted and connected on the rotary joint (402) in a penetrating way, the lower wolf's tooth roller (404) is fixedly connected at the bottom end of the connecting roller (403), the upper wolf's tooth roller (405) is sleeved and connected on the connecting roller (403) in a rotary way, the slot (406) is arranged on the upper wolf's tooth roller (405) in a penetrating way, the connecting bolt (407) is inserted and connected in the connecting roller (403) in a threaded way, the lower grinding tooth (408) is fixedly connected to the bottom of the lower wolf's tooth roller (301) and the screw hole (301) is arranged on one side of the mounting seat (301), the screw (411) is inserted into the installation screw hole (409) in a threaded manner.
- 3. The energy-saving efficient piling drill bit according to claim 1, wherein a connector (102) is fixedly connected to the top end of the upper drill bit rod (101), and a bottom cone head (103) is fixedly connected to the bottom end of the lower drill bit rod (1).
- 4. The energy-saving efficient piling drill bit according to claim 1, characterized in that a slurry feeding pipe (201) is arranged inside the lower drill bit rod (1) and the upper drill bit rod (101).
- 5. The energy-saving efficient piling drill bit according to claim 1, characterized in that the lower piling arm (302) is fixedly connected to two groups of mounting seats (301) arranged on the lower drilling bit rod (1), and the upper piling arm (305) is fixedly connected to two groups of mounting seats (301) arranged on the upper drilling bit rod (101).
- 6. The energy-saving efficient piling drill bit according to claim 1, wherein the lower piling arm (302) and the upper piling arm (305) are respectively provided with a drilling tooth seat (303) and a drilling tooth main body (304), the drilling tooth seat (303) and the drilling tooth main body (304) arranged on the lower piling arm (302) are downwards arranged, and the drilling tooth seat (303) and the drilling tooth main body (304) arranged on the upper piling arm (305) are upwards arranged.
- 7. The energy-saving efficient piling drill bit as defined in claim 2, wherein the lower wolf's teeth roller (404) and the upper wolf's teeth roller (405) are respectively rotatably arranged on the upper side and the lower side of the rotary joint (402), and the connecting bolt (407) is limited and arranged on the upper surface of the upper wolf's teeth roller (405).
- 8. The energy-saving efficient piling drill bit as defined in claim 2, wherein the screw (411) penetrates through the screw hole (410) and is fixedly inserted into the mounting screw hole (409) in a threaded mode, and the screw (411) is inserted into the plug bush (401) in a limiting mode.
- 9. An energy-saving efficient piling drill bit according to claim 2, characterized in that the plug bush (401) is inserted and arranged at the outer ends of the lower piling arm (302) and the upper piling arm (305).
- 10. The energy-saving efficient piling drill bit as defined in claim 4, wherein the inner cavity of the slurry feeding pipe (201) is communicated with the slurry spraying port (2), and the slurry feeding pipe (201) is further arranged on the connector (102).
Description
Energy-saving efficient piling drill bit Technical Field The invention relates to the technical field of pile driving drill bits, in particular to an energy-saving efficient pile driving drill bit. Background Pile driving drills are key tools in piling machinery for penetrating soil or rock, and drill holes in a rotary or impact mode to provide channels for subsequent pile foundation construction. The prior art does not have the structure that the pile driving drill bit breaks earth in two directions and the cone pit on the side wall of the pile improves the bearing capacity when in use, so that most of the existing pile driving drill bit breaks earth at the bottom and drills holes, and soil residues in the holes are punched out of the pile holes by slurry, and the pile driving drill bit has a good piling effect, but if the bottom breaks earth to generate massive soil bodies and moves to the upper part of the drill bit, the blocking of the pile holes is extremely easy to cause so as to influence the discharge of the soil residues and the slurry, and further the drilling efficiency is influenced, and meanwhile, the existing pile driving drill bit wall is a smooth surface, and the pile driving drill bit can provide effective support and friction force for the pile body, but can not improve the friction force under the condition of the same bearing capacity so as to reduce the cement consumption. Disclosure of Invention The invention provides an energy-saving efficient pile driving drill bit, which has the advantages of bi-directional soil breaking of the pile driving drill bit and bearing capacity improvement of cone pits on the side wall of the pile. The invention provides a technical scheme that the energy-saving efficient piling drill bit comprises a lower drill bit rod, wherein a slurry spraying port is formed in the side surface of the lower drill bit rod, an upper drill bit rod is fixedly connected to the top end of the lower drill bit rod, piling mechanisms which are convenient for efficient drilling are arranged on the side surfaces of the lower drill bit rod and the upper drill bit rod, and a side grinding mechanism which is convenient for spin-grinding the pile hole wall to increase lines is arranged at the outer end of the piling mechanism; The pile driving mechanism comprises a mounting seat, a lower pile driving arm, a tooth drilling seat, a tooth drilling main body, an upper pile driving arm and a reinforcing plate, wherein the four groups of the mounting seats are respectively and fixedly connected with the side walls of a lower drill bit rod and an upper drill bit rod, the lower pile driving arm is fixedly connected with the mounting seat, the tooth drilling seat is fixedly connected with the lower pile driving arm, the tooth drilling main body is fixedly arranged on the tooth drilling seat, the upper pile driving arm is fixedly connected with the mounting seat, and the reinforcing plate is fixedly connected among the mounting seat, the lower pile driving arm and the upper pile driving arm. As an optimized technical scheme of the invention, the side mill mechanism comprises a plug bush, a rotary joint, a connecting roller, a lower wolf tooth roller, an upper wolf tooth roller, a slot, a connecting bolt, a lower grinding tooth, a mounting screw hole, a screw and a screw, wherein the plug bush is arranged at the outer end of a mounting seat, the rotary joint is fixedly arranged at the outer end of the plug bush, the connecting roller is inserted and connected on the rotary joint in a penetrating way, the lower wolf tooth roller is fixedly connected at the bottom end of the connecting roller, the upper wolf tooth roller is rotatably sleeved and connected on the connecting roller, the slot is arranged on the upper wolf tooth roller in a penetrating way, the connecting bolt is inserted and connected in the connecting roller in a threaded way, the lower grinding tooth is fixedly connected at the bottom of the lower wolf tooth roller, the mounting screw hole is arranged at one side of the mounting seat and the upper piling arm, the screw is arranged on the mounting seat in a penetrating way, and the screw is inserted and connected in the mounting screw hole. As a preferable technical scheme of the invention, the top end of the upper drill bit rod is fixedly connected with a connector, and the bottom end of the lower drill bit rod is fixedly connected with a bottom cone head. As a preferable technical scheme of the invention, the lower drill bit rod and the upper drill bit rod are internally provided with slurry feeding pipes. As a preferable technical scheme of the invention, the lower piling arm is fixedly connected to two groups of mounting seats arranged on the lower drill bit rod, and the upper piling arm is fixedly connected to two groups of mounting seats arranged on the upper drill bit rod. As an optimized technical scheme of the invention, the lower piling arm and the upper piling arm are res