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CN-121993027-A - Detachable high-strength spiral drilling machine

CN121993027ACN 121993027 ACN121993027 ACN 121993027ACN-121993027-A

Abstract

The application discloses a detachable high-strength spiral drilling machine, which comprises a drilling machine body, a spiral drilling rod and a connecting assembly, wherein the drilling machine body comprises a machine cover and a power output shaft, the spiral drilling rod comprises a central rotating shaft, spiral blades, drilling teeth and drilling tips, the spiral blades are arranged on the central rotating shaft, the connecting assembly is arranged at the top end of the central rotating shaft and comprises a connecting sleeve, a sliding insert rod and a limiting insert block, the connecting sleeve is connected to the top end of the central rotating shaft, one end of the connecting sleeve is provided with a connecting socket, the power output shaft is inserted into the connecting socket, the power output shaft is provided with a connecting blind hole, the sliding insert rod penetrates through the connecting sleeve, one end of the sliding insert rod is embedded into the connecting blind hole, the limiting insert rod is arranged on the peripheral wall of the connecting blind hole in a sliding manner, and an anti-falling hole corresponding to the position of the limiting insert block is formed in the inner wall of the connecting blind hole. The application has the effects of improving drilling quality, improving device connection stability and structural strength.

Inventors

  • ZHOU HUA
  • YOU WEIDONG

Assignees

  • 江苏安腾工程机械有限公司

Dates

Publication Date
20260508
Application Date
20260204

Claims (9)

  1. 1. The detachable high-strength spiral drilling machine is characterized by comprising a drilling machine body (1), a spiral drilling rod (2) and a connecting assembly (3), wherein the drilling machine body (1) comprises a machine cover (101) and a power output shaft (103) which is rotatably arranged at one end of the machine cover (101), a driving source for driving the power output shaft (103) to rotate is arranged in the machine cover (101), the spiral drilling rod (2) comprises a central rotating shaft (21), spiral blades (22), drilling teeth (23) and drilling tips (24), the spiral blades (22) are arranged on the central rotating shaft (21), the drilling teeth (23) are connected with a plurality of the bottom edges of the spiral blades (22), the drilling tips (24) are arranged at the bottom end of the central rotating shaft (21), the connecting assembly (3) is arranged at the top end of the central rotating shaft (21), the connecting assembly (3) comprises a connecting sleeve (31), a sliding inserted rod (34) and a limiting inserted block (34), the connecting sleeve (31) is connected with the top end of the central rotating shaft (103) and is in a shape corresponding to the power output shaft (311), the power output shaft (103) is inserted in the connecting socket (311), a connecting blind hole (1031) is formed in the power output shaft (103), the sliding inserting rod (33) penetrates through the connecting sleeve (31) and is in sliding connection with the connecting sleeve, one end of the sliding inserting rod (33) stretches into the connecting socket (311) and is embedded in the connecting blind hole (1031), the limiting inserting block (34) is arranged on the peripheral wall of the connecting blind hole (1031) in a sliding mode, an anti-falling hole (1032) corresponding to the position of the limiting inserting block (34) is formed in the inner wall of the connecting blind hole (1031), and a driving piece for driving the limiting inserting block (34) to move is arranged on the sliding inserting rod (33).
  2. 2. The detachable high-strength spiral drilling machine is characterized in that the sliding inserting rod (33) is arranged in a hollow mode, a limiting cylinder (331) is arranged in the sliding inserting rod (33) along the diameter direction of the sliding inserting rod, two connecting conical cylinders (332) are connected and connected to two ends of the limiting cylinder (331), two limiting inserting blocks (34) are arranged in the limiting cylinder (331) in a sliding mode, one ends, far away from the central shaft of the sliding inserting rod (33), of the limiting inserting blocks (34) are arranged in a hemispherical mode, limiting springs (12) are connected between the two limiting inserting blocks (34), the end portions of the limiting inserting blocks (34) extend out of the sliding inserting rod (33) in a natural mode, one ends of the limiting inserting blocks (34) are abutted against the inner walls of the connecting conical cylinders (332), traction ropes (334) are connected to the limiting inserting blocks (34), and the traction ropes (334) extend out of one ends, located outside the connecting sleeves (31), of the limiting inserting blocks (33) are connected with the traction blocks (335).
  3. 3. The detachable high-strength spiral drilling machine according to claim 2, wherein one end of the sliding insert rod (33) extending out of the connecting socket (311) is connected with a pull rod (32), a first magnetic block (315) is arranged on the outer wall of the connecting sleeve (31) close to the pull rod (32), a second magnetic block (6) is arranged on one end of the pull rod (32) close to the connecting sleeve (31), an elastic piece is arranged between the outer wall of the connecting sleeve (31) and the pull rod (32), the first magnetic block (315) and the second magnetic block (6) are attracted mutually in a natural state, and the end part of the sliding insert rod (33) is inserted into a connecting blind hole (1031) of the power output shaft (103).
  4. 4. The detachable high-strength spiral drilling machine according to claim 1, wherein an inserting block (35) is vertically arranged on the inner wall of the connecting socket (311), an inserting groove (1033) is vertically formed in the power output shaft (103), the inserting groove (1033) corresponds to the inserting block (35) in position, and when the power output shaft (103) is inserted into the connecting socket (311), the inserting block (35) is inserted into the inserting groove (1033).
  5. 5. The detachable high-strength spiral drilling machine according to claim 4, wherein an installation arc plate (7) is arranged on the outer wall of the connecting sleeve (31), the installation arc plate (7) is detachably connected to the outer annular wall of the connecting sleeve (31), an embedded strip (8) is arranged on the inner arc wall of the installation arc plate (7), an inserting through hole (317) corresponding to the embedded strip (8) is horizontally formed in the connecting sleeve (31), the embedded strip (8) is inserted into the inserting through hole (317), an inserting blind hole (1034) corresponding to the end part of the embedded strip (8) is formed in the power output shaft (103), and the end part of the embedded strip (8) is embedded into the inserting blind hole (1034).
  6. 6. A detachable high-strength auger according to claim 1, wherein the pitch of the helical blades (22) decreases in a direction away from the auger stem (2).
  7. 7. A detachable high-strength spiral drilling machine according to claim 1, characterized in that a buffer assembly (4) is arranged on the central rotating shaft (21), the buffer assembly (4) comprises a buffer sliding rod (41), a mounting sleeve (42), an abutting conical block (45), a connecting rotating rod (46) and a buffer abutting block (47), the mounting sleeve (42) is coaxially arranged in an inner cavity of the central rotating shaft (21), the buffer sliding rod (41) is vertically and slidingly arranged in the mounting sleeve (42), the bottom end of the buffer sliding rod (41) extends out of the bottom end of the central rotating shaft (21) and is connected with the drill tip (24), the abutting conical block (45) is connected to the buffer sliding rod (41), an elastic piece is arranged between the top end of the abutting conical block (45) and the bottom end of the mounting sleeve (42), a gap is reserved between the mounting sleeve (42) and the central rotating shaft (21), the buffer abutting block (47) is arranged in the mounting sleeve (42) and is in parallel to the two ends of the mounting sleeve (42) in the axial direction of the corresponding buffer sleeve (47), the top surface of the abutting conical block (45) is provided with an annular abutting conical surface, one end of the buffering abutting block (47) close to the abutting conical block (45) is provided with a contact inclined surface corresponding to the abutting conical surface, the abutting conical surface is separated from the contact inclined surface in a natural state, and the buffering abutting block (47) is separated from the inner annular wall of the central rotating shaft (21).
  8. 8. The detachable high-strength spiral drilling machine is characterized in that a liquid injection cylinder (9) is connected to the outer annular wall at the top end of the central rotating shaft (21), the liquid injection cylinder (9) is connected with the central rotating shaft (21) through a sealing bearing, a liquid injection pipe (10) is connected to the outer wall of the liquid injection cylinder (9) in a communicating mode, a liquid injection hole (211) is formed in the central rotating shaft (21), the liquid injection hole (211) is communicated with the inner cavity of the liquid injection cylinder (9), an infusion through hole (412) is formed in the buffer sliding rod (41) in a penetrating mode along the axial direction of the buffer sliding rod, a transmission hole (241) communicated with the infusion through hole (412) is formed in the drill point (24), a connecting hose (11) is arranged in the inner cavity of the central rotating shaft (21), one end of the connecting hose (11) is communicated with the liquid injection hole (211), and the other end of the connecting hose (11) is connected with the buffer sliding rod (41) and is communicated with the infusion through hole (412).
  9. 9. A detachable high-strength spiral drilling machine according to claim 8, wherein a pressure sensor (49) is arranged on the inner wall of the central rotating shaft (21), and the arrangement position of the pressure sensor (49) is arranged corresponding to the buffer abutting block (47).

Description

Detachable high-strength spiral drilling machine Technical Field The application relates to the technical field of spiral drilling machines, in particular to a detachable high-strength spiral drilling machine. Background A screw drill is an integral ground working machine commonly used for drilling operations at the earth's surface. The common spiral drilling machine comprises a hydraulic motor and a spiral drill rod which is arranged on an output shaft of the hydraulic motor in a transmission manner, wherein in the construction process, the hydraulic motor is connected to a mechanical arm of a crane, the bottom end of the spiral drill rod is aligned to a specific position on the ground, and the hydraulic motor drives the spiral drill rod to rotate so as to realize the drilling construction on the ground. With respect to the related art described above, the inventors consider that the connection position of the output shaft of the hydraulic motor and the auger shaft is easily damaged or loosened during the drilling operation of the auger machine, resulting in an influence on the accuracy and quality of drilling. In addition, aiming at broken soil layers with loose and dry textures, due to lack of viscosity among soil bodies, drilled soil bodies are not easy to discharge the drilled holes, the stability of the structure of the inner wall of the drilled holes is low, the phenomenon of hole collapse is easy to occur, and the difficulty is increased for the drilling construction process. Disclosure of Invention The application provides a detachable high-strength spiral drilling machine for improving drilling quality, improving device connection stability and structural strength. The application provides a detachable high-strength spiral drilling machine, which adopts the following technical scheme: The utility model provides a can dismantle high strength auger drilling machine, includes rig body, auger stem and coupling assembling, the rig body include the aircraft bonnet and rotate set up in the power take off shaft of aircraft bonnet one end, be provided with in the aircraft bonnet and be used for the drive power take off shaft pivoted actuating source, the auger stem includes central pivot, helical blade, brill tooth and drill point, helical blade set up in the central pivot, the brill tooth is in helical blade's base is connected with a plurality of, the drill point set up in the bottom of central pivot, coupling assembling set up in the top of central pivot, coupling assembling includes adapter sleeve, slip inserted bar and spacing inserted block, the adapter sleeve connect in the top of central pivot, power take off shaft is square pole, the adapter sleeve keep away from central pivot's one end be provided with the connection socket that the power take off shaft shape corresponds, power take off shaft inserts and locates in the connection socket, slip inserted bar run through the adapter sleeve and with its sliding connection, one end insert bar stretch into in the connection and insert bar and insert in the blind hole position setting up in the drive position is located in the blind hole. Through adopting above-mentioned technical scheme, through the mutual cooperation of central pivot, helical blade, brill tooth and drill point, have the effect that improves drilling quality, improvement device connection stability and structural strength. Optionally, the inserted bar that slides is the cavity setting, be provided with spacing section of thick bamboo in the inserted bar that slides along its diameter direction, the both ends intercommunication of spacing section of thick bamboo is connected with one and connects a cone section of thick bamboo, spacing inserted block is in slide in the spacing section of thick bamboo is provided with two, spacing inserted block is kept away from the one end of inserted bar center pin that slides is hemispherical setting, two be connected with spacing spring between the spacing inserted block, under the natural state the tip of spacing inserted block stretches out the inserted bar that slides, the one end of spacing inserted block with the inner wall of connecting a cone section of thick bamboo supports tightly, be connected with the haulage rope on the spacing inserted block, the haulage rope stretches out the inserted bar that slides is located the one end outside the adapter sleeve and is connected with the pull block. Optionally, the inserted bar that slides is the cavity setting, be provided with spacing section of thick bamboo in the inserted bar that slides along its diameter direction, the both ends intercommunication of spacing section of thick bamboo is connected with one and connects a cone section of thick bamboo, spacing inserted block is in slide in the spacing section of thick bamboo is provided with two, spacing inserted block is kept away from the one end of inserted bar center pin that slides is hemispherical setting, two be connected with spacing spring