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CN-224227773-U - Bidirectional stirring device for cement soil stirring pile

CN224227773UCN 224227773 UCN224227773 UCN 224227773UCN-224227773-U

Abstract

The utility model discloses a cement mixing pile bidirectional stirring device, which relates to the technical field of cement mixing construction and comprises a drilling machine, a stirring assembly and a transmission assembly, wherein the stirring assembly comprises a main drill rod, an auxiliary drill sleeve, a slurry feeding channel, a slurry outlet hole, a first stirring blade and a second stirring blade, the transmission assembly comprises a first transmission part arranged on the main drill rod, a second transmission part arranged on the auxiliary drill sleeve and a third transmission part arranged on a connecting sleeve, the third transmission part is meshed with the first transmission part and the second transmission part, so that the rotation directions of the first transmission part and the second transmission part are opposite, and the main drill rod and the auxiliary drill sleeve are arranged, and the main drill rod is rotated to drive the auxiliary rotary sleeve to reversely rotate under the meshing of the first transmission part, the second transmission part and the third transmission part, so that the first stirring blade and the second stirring blade She Fanxiang are rotated, and bidirectional stirring is provided in the cement mixing process, so that the cement mixing is accelerated, the cement mixing efficiency is improved.

Inventors

  • WANG ZHIYUAN
  • SHI RONGQI
  • HOU YONGPENG
  • CHEN JUNZE

Assignees

  • 中国安能集团第一工程局有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (6)

  1. 1. The cement soil mixing pile bidirectional stirring device comprises a drilling machine (1), wherein a connecting sleeve (2) is arranged on the drilling machine (1), a driving piece (3) is arranged in the connecting sleeve (2), and the cement soil mixing pile bidirectional stirring device is characterized by further comprising: the stirring assembly comprises a main drill rod (4) detachably connected with a driving piece (3) and an auxiliary drill sleeve (5) rotatably arranged on a connecting sleeve (2), wherein a slurry feeding channel (6) is arranged inside the main drill rod (4), slurry outlet holes (7) communicated with the slurry feeding channel (6) are formed in the outer wall of the main drill rod (4), a plurality of groups of first stirring blades (8) are arranged at one end, close to the slurry outlet holes (7), of the main drill rod (4) at intervals, the first stirring blades (8) are obliquely upwards arranged relative to the axis of the main drill rod (4), the auxiliary drill sleeve (5) is sleeved outside the main drill rod (4) and is concentrically arranged with the main drill rod (4), a second stirring blade (9) is arranged on the outer wall, facing the first stirring blade (8), of the auxiliary drill sleeve (5), and the second stirring blade (9) is obliquely downwards arranged relative to the axis of the auxiliary drill sleeve (5). The transmission assembly comprises a first transmission part (10) arranged on the main drill rod (4), a second transmission part (11) arranged on the auxiliary drill sleeve (5) and a third transmission part (12) arranged on the connecting sleeve (2), wherein the third transmission part (12) is meshed with the first transmission part (10) and the second transmission part (11) so as to enable the rotation directions of the first transmission part (10) and the second transmission part (11) to be opposite.
  2. 2. The bidirectional stirring device for the cement-soil stirring pile is characterized in that a connecting disc (13) is arranged on the connecting sleeve (2), a rotating groove (14) is formed in the connecting disc (13), one end of the auxiliary drill sleeve (5) is rotatably arranged in the rotating groove (14), and the other end of the auxiliary drill sleeve (5) is located at the upper end of the first stirring blade (8).
  3. 3. The bidirectional stirring device for the cement-soil stirring pile, as set forth in claim 2, is characterized in that the slurry outlets (7) are arranged in four groups at intervals along the circumferential direction of the main drill rod (4), and the slurry outlets (7) are positioned between the first stirring blades (8) which are arranged at intervals.
  4. 4. The bidirectional stirring device for the cement-soil stirring pile is characterized in that the first stirring blade (8) and the second stirring blade (9) are of arc-shaped structures, the middle part of the first stirring blade (8) is inwards concave to form a first arc groove (20), and the middle part of the second stirring blade (9) is inwards concave to form a second arc groove (21).
  5. 5. The bidirectional stirring device for the cement mixing pile, which is disclosed in claim 4, is characterized in that the first transmission part (10) comprises a first transmission gear (1001) arranged on the outer wall of the main drill rod (4), the second transmission part (11) comprises a first transmission toothed ring (1101) arranged on the inner wall of the auxiliary drill sleeve (5), the third transmission part comprises a second transmission gear (1201) rotationally connected with the connecting sleeve (2), and the second transmission gear (1201) is meshed with the first transmission gear (1001) and the second transmission toothed ring respectively.
  6. 6. The bidirectional stirring device for the cement-soil stirring pile, as set forth in claim 5, is characterized in that the bottom end of the main drill rod (4) is also provided with a transverse stirring blade (23).

Description

Bidirectional stirring device for cement soil stirring pile Technical Field The utility model relates to the technical field of cement soil stirring construction, in particular to a bidirectional stirring device for a cement soil stirring pile. Background The cement-soil mixing pile is a common soft soil foundation treatment mode, and cement is sprayed into the soft soil foundation to be mixed with the soft soil foundation, so that the bearing capacity of the foundation is enhanced, the problem that the strength of the cement soil of the pile body is low due to uneven stirring of the cement soil in the pile forming process of the cement-soil mixing pile is solved, repeated stirring is needed, and the construction efficiency is low and the period is long. The utility model patent number CN216664105U discloses a cement mixing pile drill rod, including drilling rod, drill bit, advance the thick liquid hole, inlet port, stirring vane, play thick liquid hole, the drill bit is connected and is installed in the bottom of drilling rod, stirring vane connects the outer wall of installing at the drilling rod, advance thick liquid hole, inlet port setting and install in the inside of drilling rod, play thick liquid hole setting is installed in the bottom of drilling rod, is located the drill bit top, and stirring vane's minor face orientation has the radian, and stirring vane is certain welding inclination with the drilling rod, makes the blade stirring just not just simple horizontal cutting, but multi-direction cutting, can effectively guarantee the beating of blade to the soil body and to the stirring effect of cement, in this patent, in the in-process of stirring cement, the whole stirring direction is the rotation direction of drilling rod, and stirring direction is unique, is difficult to evenly with cement stirring fast. Disclosure of utility model The utility model mainly aims to provide a bidirectional stirring device for a cement-soil stirring pile, which is used for solving the problems that the whole stirring direction is unique and cement soil is difficult to stir uniformly rapidly in the stirring process of the conventional cement-soil stirring pile. The utility model provides a cement soil mixing pile bidirectional stirring device, which comprises a drilling machine, wherein a connecting sleeve is arranged on the drilling machine, a driving piece is arranged in the connecting sleeve, and the cement soil mixing pile bidirectional stirring device further comprises: The stirring assembly comprises a main drill rod detachably connected with the driving piece and an auxiliary drill sleeve rotatably arranged on the connecting sleeve, wherein a slurry feeding channel is arranged in the main drill rod, slurry outlet holes communicated with the slurry feeding channel are formed in the outer wall of the main drill rod, a plurality of groups of first stirring blades are arranged at intervals at one end of the main drill rod adjacent to the slurry outlet holes, the first stirring blades are obliquely upwards arranged relative to the axis of the main drill rod, the auxiliary drill sleeve is sleeved outside the main drill rod and is concentrically arranged with the main drill rod, and a second stirring blade is arranged on the outer wall of one end of the auxiliary drill sleeve facing the first stirring blades and is obliquely downwards arranged relative to the axis of the auxiliary drill sleeve; The transmission assembly comprises a first transmission part arranged on the main drill rod, a second transmission part arranged on the auxiliary drill sleeve and a third transmission part arranged on the connecting sleeve, wherein the third transmission part is meshed with the first transmission part and the second transmission part, so that the rotation directions of the first transmission part and the second transmission part are opposite. As a further improvement of the utility model, the connecting sleeve is provided with a connecting disc, a rotating groove is arranged in the connecting disc, one end of the auxiliary drill sleeve is rotatably arranged in the rotating groove, and the other end of the auxiliary drill sleeve is positioned at the upper end of the first stirring blade. As a further improvement of the utility model, the slurry outlet holes are arranged in four groups at intervals along the circumferential direction of the main drill rod, and the slurry outlet holes are positioned between the first stirring blades which are arranged at intervals. As a further improvement of the utility model, the first stirring blade and the second stirring blade are of arc structures, the middle part of the first stirring blade is concave inwards to form a first arc groove, and the middle part of the second stirring blade is concave inwards to form a second arc groove. As a further improvement of the utility model, the first transmission part comprises a first transmission gear arranged on the outer wall of the main drill r