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CN-122013768-A - Pile pulling device and method for construction

CN122013768ACN 122013768 ACN122013768 ACN 122013768ACN-122013768-A

Abstract

The invention provides a pile pulling device and a pile pulling method for construction, which are characterized in that a lower sleeve is provided with a limiting swing arm, the lower end of the limiting swing arm is hinged with the lower sleeve, when the limiting swing arm is vertically arranged, the distance between the side wall of the limiting swing arm, which is close to the axis of the lower sleeve, and the axis of the lower sleeve is larger than the radius of a pile to be pulled, when the limiting swing arm is horizontally arranged, the distance between the side wall of the limiting swing arm, which is close to the axis of the lower sleeve, and the axis of the lower sleeve is smaller than the radius of the pile to be pulled, a first nozzle is arranged at the lower end of the lower sleeve, the nozzle of the first nozzle is downwards arranged, and the upper end of the connecting piece is provided with a vibration component. The invention has the beneficial effects that the high-pressure water sprayed by the first nozzle softens the foundation, the lower sleeve is convenient to insert into the foundation, the upper end of the limiting swing arm is lower than the lower end of the pile to be pulled, the limiting swing arm rotates, the limiting swing arm supports the lower end surface of the pile to be pulled to move upwards when the device is lifted upwards, the working efficiency is improved, the integrity of the pile to be pulled is ensured, and the construction cost is reduced.

Inventors

  • YU YALI
  • LI GUOBAO
  • ZHENG WENZHONG
  • FU HAIJUN
  • LIU XIAOFENG
  • ZHANG GUOBIN
  • YAN HONGWEN
  • YAN LING
  • ZHANG ZHIJIAN
  • LI YULONG

Assignees

  • 天津市博川建设工程有限公司
  • 天津市佳运建筑工程有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (10)

  1. 1. A pile pulling device for construction, comprising: The pile pulling device comprises a lower sleeve (4), wherein a limiting swing arm (7) is arranged on the lower sleeve (4), the lower end of the limiting swing arm (7) is hinged with the lower sleeve (4), when the limiting swing arm (7) is vertically arranged, the distance between the side wall of the axis of the limiting swing arm (7) adjacent to the lower sleeve (4) and the axis of the lower sleeve (4) is larger than the radius of a pile to be pulled out, and when the limiting swing arm (7) is horizontally arranged, the distance between the side wall of the axis of the limiting swing arm (7) adjacent to the lower sleeve (4) and the axis of the lower sleeve (4) is smaller than the radius of the pile to be pulled out; The first nozzle (602), the first nozzle (602) is located at the lower end of the lower sleeve (4), the spout of the first nozzle (602) is downward, and the upper end of the first nozzle (602) is communicated with the liquid outlet end of the liquid supply device; the connecting piece (2), connecting piece (2) lower extreme is connected with lower sleeve pipe (4), connecting piece (2) upper end is equipped with vibration subassembly (3).
  2. 2. The pile pulling device for construction according to claim 1, wherein the upper end of the connecting piece (2) is fixedly connected with the upper sleeve (1), and the upper end of the upper sleeve (1) is fixedly connected with the vibration assembly (3); a reinforcing ring (101) is fixedly arranged on the outer side of the upper sleeve (1); The number of the connecting pieces (2) is two, the distance between one sides of the two connecting pieces (2) is larger than the diameter of the pile (5) to be pulled, and the distance between the other sides of the two connecting pieces is smaller than the diameter of the pile (5) to be pulled; The connecting piece (2) is a Larson steel sheet pile.
  3. 3. The pile pulling device for construction according to claim 1, wherein the lower sleeve (4) is provided with a plurality of first mounting holes (401), and the plurality of first mounting holes (401) are uniformly arranged along the circumferential direction of the lower sleeve (4); A first hinge shaft (403) is arranged on the inner side of the first mounting hole (401), the axis of the first hinge shaft (403) is perpendicular to the axis of the lower sleeve (4), a first hinge hole (702) is formed in the limiting swing arm (7), and the first hinge shaft (403) is positioned on the inner side of the first hinge hole (702); The first hinge hole (702) is positioned at one side of the lower end of the limiting swing arm (7) far away from the axis of the lower sleeve (4).
  4. 4. The pile pulling device for construction according to claim 3, wherein a limiting plate (703) corresponding to the outer side wall of the lower sleeve (4) is fixedly arranged on the side wall of the lower end of the limiting swing arm (7) far away from the axis of the lower sleeve (4), and the limiting plate (703) limits the limiting swing arm (7) when the limiting swing arm (7) is vertically arranged; The edge, close to the axis of the lower sleeve (4), of the lower end of the limiting swing arm (7) adopts an arc chamfering structure; The inner side of the lower sleeve (4) is fixedly provided with a first supporting plate (404) corresponding to the lower end face of the first mounting hole (401), and when the limiting swing arm (7) is horizontally arranged, the first supporting plate (404) supports the limiting swing arm (7).
  5. 5. The pile pulling device for construction according to claim 3, wherein the lower end of the lower sleeve (4) is provided with a plurality of second mounting holes (402) corresponding to the first mounting holes (401), the plurality of second mounting holes (402) are uniformly arranged along the circumference of the lower sleeve (4), and the lower end surface of the lower sleeve (4) is provided with openings; A flushing swing arm (8) is arranged in the second mounting hole (402), a second hinge shaft (405) is fixedly arranged on the inner side of the second mounting hole (402), a second hinge hole (801) is formed in the upper end of the flushing swing arm (8), and the second hinge shaft (405) is positioned on the inner side of the second hinge hole (801); the lower end of the flushing swing arm (8) is provided with a third nozzle (810), the third nozzle (810) is arranged along the length direction of the flushing swing arm (8), when the flushing swing arm (8) is vertically arranged, the spout of the third nozzle (810) is downwards arranged, and when the flushing swing arm (8) is horizontally arranged, the spout of the third nozzle (810) is downwards arranged along the axis direction of the sleeve (4); the upper end of the third nozzle (810) is communicated with the liquid outlet end of the liquid supply device through a hose; The utility model discloses a flushing swing arm, including flushing swing arm (8), first connecting axle (701) has been set firmly to one side that just is close to lower sleeve pipe (4) axis, spacing swing arm (7) has set firmly second connecting axle (802) near one side of lower sleeve pipe (4) axis, and extension spring (9) both ends have set firmly connecting seat (901), and two connecting seats (901) of extension spring (9) are articulated with first connecting axle (701) and second connecting axle (802) respectively.
  6. 6. The pile pulling device for construction according to claim 5, wherein a second supporting plate (406) corresponding to the upper end face of the second mounting hole (402) is fixedly arranged on the inner side of the lower sleeve (4), and the edge of the upper end of the flushing swing arm (8) close to the axis of the lower sleeve (4) adopts an arc chamfer structure; when the flushing swing arm (8) is horizontally arranged, the second supporting plate (406) limits the flushing swing arm (8); and a mounting ring (6) corresponding to the second mounting hole (402) is fixedly arranged on the outer side of the lower sleeve (4), and when the flushing swing arm (8) is vertically arranged, the mounting ring (6) limits the flushing swing arm (8).
  7. 7. The pile pulling device for construction according to claim 5, wherein a mounting ring (6) corresponding to the second mounting hole (402) is fixedly arranged on the outer side of the lower sleeve (4); a plurality of vertically arranged connecting holes (608) are formed in the mounting ring (6), the connecting holes (608) are uniformly arranged along the circumferential direction of the mounting ring (6), and a second nozzle (603) is connected to the inner side of the lower end of the connecting hole (608) corresponding to the flushing swing arm (8); The inner sides of the lower ends of the rest connecting holes (608) are connected with a first nozzle (602); the lower ends of the first nozzle (602), the second nozzle (603) and the third nozzle (810) are higher than the lower end of the lower sleeve (4); A valve hole (609) is formed in the inner side wall of the mounting ring (6) in a corresponding mode, corresponding to a connecting hole (608) of the flushing swing arm (8), the valve hole (609) is provided with an opening, the valve hole (609) is horizontally arranged, the diameter of the valve hole (609) is not smaller than that of the connecting hole (608), one end of the valve hole (609) penetrates through the connecting hole (608) and the other end of the valve hole corresponds to the flushing swing arm (8), and the valve hole (609) is located below the second hinge shaft (405); A valve core (60502) is arranged on the inner side of the valve hole (609), the diameter of the valve core (60502) is matched with the inner diameter of the valve hole (609), one end of the valve core (60502) is in threaded connection with a cross rod (605), a baffle (60501) is fixedly arranged at one end, far away from the valve core (60502), of the cross rod (605), and the diameter of the baffle (60501) is larger than that of the cross rod (605); the mounting device is characterized in that a mounting pipe (607) corresponding to the valve hole (609) is fixedly arranged on the inner side of the mounting ring (6), a limiting ring (604) is connected to the outer side of the mounting pipe (607) in a threaded manner, the cross rod (605) is positioned on the inner side of the mounting pipe (607), an annular limiting boss (60401) is arranged on the inner side of one end, far away from the valve core (60502), of the limiting ring (604), and a compression spring (606) is arranged between the limiting ring (604) and the baffle (60501); the mounting ring (6) is correspondingly provided with a liquid separating pipe (601), the lower end of the liquid separating pipe (601) is communicated with a plurality of connecting pipes (60101) communicated with the connecting holes (608), and the liquid separating pipe (601) is communicated with the liquid outlet end of the liquid supply equipment; the flushing swing arm (8) is provided with a first slot (808), the third nozzle (810) is in threaded connection with the inner side of the lower end of the first slot (808), the upper end of the first slot (808) is communicated with a second slot (809), and the second slot (809) is communicated with the liquid outlet end of the liquid supply device through a hose.
  8. 8. The pile pulling device for construction according to claim 7, wherein the flushing swing arm (8) is provided with a receiving groove (803) corresponding to the baffle plate (60501); When the flushing swing arm (8) is vertically arranged, the cross rod (605) and the baffle (60501) are positioned at the inner side of the storage groove (803), the bottom end of the storage groove (803) is tightly propped against the baffle (60501), and the valve core (60502) seals the connecting hole (608); When the flushing swing arm (8) is horizontally arranged, the valve core (60502) is reset under the action of the elasticity of the compression spring (606), and the connecting hole (608) is in a communicating state; the bottom end of the containing groove (803) is provided with a thread groove (80301), and the thread groove (80301) is internally connected with a jacking bolt (80302) in a threaded manner.
  9. 9. The pile pulling device for construction according to claim 5, wherein one side of the lower end of the flushing swing arm (8) close to the axis of the lower sleeve (4) is fixedly provided with a mounting boss (807), the other side is provided with a groove, and the edge of the lower end of the mounting boss (807) close to the axis of the lower sleeve (4) adopts an arc chamfering structure; the washing swing arm (8) is characterized in that a mounting groove (806) is formed in the lower end of the washing swing arm (8), an opening is formed in the end face, close to the axis of the lower sleeve (4), of the mounting boss (807), an adjusting plate (812) is arranged in the mounting groove (806), the adjusting plate (812) protrudes out of the opening of the mounting groove (806), a strip-shaped hole (805) arranged along the width direction of the washing swing arm (8) is correspondingly formed in the mounting groove (806), a guide shaft (81201) is arranged on the adjusting plate (812), and the guide shaft (81201) is located on the inner side of the strip-shaped hole (805); the side wall of the mounting groove (806) is provided with a threaded hole (804) corresponding to the adjusting plate (812), the adjusting bolt (811) is in threaded connection with the inner side of the threaded hole (804), and the adjusting bolt (811) limits the end face, far away from the axis of the lower sleeve (4), of the adjusting plate (812); The edge, close to the axis of the lower sleeve (4), of the lower end of the adjusting plate (812) adopts an arc chamfering structure; The mounting boss (807) corresponds to a position of the second connecting shaft (802).
  10. 10. A pile pulling method for construction using the pile pulling apparatus for construction according to any one of claims 1 to 9, comprising the steps of: s1, the device is hung above a pile (5) to be pulled, a lower sleeve (4) is aligned with the pile (5) to be pulled and inserted, a flushing swing arm (8) is rotated downwards, the flushing swing arm (8) is vertically arranged, the flushing swing arm (8) is attached to the outer surface of the pile (5) to be pulled, and a tension spring (9) is further stretched; S2, starting a vibration assembly (3) and starting liquid supply equipment, injecting high-pressure liquid downwards through a first nozzle (602) and a second nozzle (603) to soften a foundation below a lower sleeve (4), enabling the device to move downwards under the vibration action of the vibration assembly (3), enabling a limiting swing arm (7) to rotate to be in a vertical state under the driving of a pile to be pulled (5), and enabling a tension spring (9) to be stretched further; S3, when the lower end of the flushing swing arm (8) is lower than the lower end of the pile to be pulled (5), under the action of the tensile force of the tension spring (9), the lower end of the flushing swing arm (8) rotates upwards, and the nozzle rotates to spray the foundation below the pile to be pulled (5) to form a limiting cavity until the spraying swing arm is in a horizontal state; S4, when the upper end of the limiting swing arm (7) is lower than the lower end of the limiting swing arm (7) and lower than the lower end of the pile to be pulled (5), the upper end of the limiting swing arm (7) rotates downwards under the action of the tension spring (9) to enter a limiting cavity obtained by S3 injection; s5, supporting the pile to be pulled (5) by a limiting swing arm (7) of the upward pulling device, and driving the whole pile to be pulled (5) to move upward.

Description

Pile pulling device and method for construction Technical Field The invention belongs to the technical field of building construction, and particularly relates to a pile pulling device and method for construction. Background At present, the main stream pile pulling technology mainly comprises a traditional swing hanging pile pulling technology, a static pile pulling technology, a vibration auxiliary pile pulling technology and a high-pressure water jet pile pulling technology. The traditional swing hanging and pulling technology relies on large equipment, is high in cost and efficiency, is high in pile body breaking rate, static pile pulling technology equipment is heavy and inflexible, old pile bodies are easy to break and cannot be thoroughly removed when the quality of the old pile bodies is poor, vibration energy of the vibration auxiliary pile pulling technology is collected at the upper ends of the pile bodies, breaking risks are high, the emission controllability of the high-pressure water jet pile pulling technology is poor, and the pile bodies are easy to be unstable. In a word, the existing pile pulling technology mainly uses a connecting device to fix the pile top part of a pile to be pulled, and then adopts corresponding lifting equipment to carry out swinging lifting, so that the problems that firstly, the lifting equipment not only increases high cost and has low working efficiency, but also is easy to seriously damage surrounding geology, secondly, the pile needs to be excavated below the pile top burial depth to expose a liftable pile head, and higher requirements are provided for working conditions, thirdly, the pile to be pulled is easy to break during swinging lifting, the pile body at the position below the break is easy to be pulled out more difficultly, and the pulled pile body cannot be reused. Disclosure of Invention In view of the foregoing, the present invention is directed to a pile pulling device and method for construction, so as to solve at least one of the above-mentioned problems. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: The first aspect of the present invention provides a pile pulling apparatus for construction, comprising: The pile pulling device comprises a lower sleeve, wherein a limiting swing arm is arranged on the lower sleeve, the lower end of the limiting swing arm is hinged with the lower sleeve, when the limiting swing arm is vertically arranged, the distance between the side wall of the limiting swing arm adjacent to the axis of the lower sleeve and the axis of the lower sleeve is larger than the radius of a pile to be pulled, and when the limiting swing arm is horizontally arranged, the distance between the side wall of the limiting swing arm adjacent to the axis of the lower sleeve and the axis of the lower sleeve is smaller than the radius of the pile to be pulled; the first nozzle is positioned at the lower end of the lower sleeve, the nozzle of the first nozzle is downwards arranged, and the upper end of the first nozzle is communicated with the liquid outlet end of the liquid supply device; The connecting piece, connecting piece lower extreme is connected with lower sleeve pipe, the connecting piece upper end is equipped with vibration subassembly. Further, the upper end of the connecting piece is fixedly connected with an upper sleeve, and the upper end of the upper sleeve is fixedly connected with the vibration component; A reinforcing ring is fixedly arranged on the outer side of the upper sleeve; the number of the connecting pieces is two, the distance between one side of the two connecting pieces is larger than the diameter of the pile to be pulled, and the distance between the other side of the two connecting pieces is smaller than the diameter of the pile to be pulled; The connecting piece is a Larson steel sheet pile. Further, the lower sleeve is provided with a plurality of first mounting holes, and the plurality of first mounting holes are uniformly arranged along the circumference of the lower sleeve; the inner side of the first mounting hole is provided with a first hinge shaft, the axis of the first hinge shaft is perpendicular to the axis of the lower sleeve, the limiting swing arm is provided with a first hinge hole, and the first hinge shaft is positioned at the inner side of the first hinge hole; the first hinge hole is positioned at one side of the lower end of the limiting swing arm, which is far away from the axis of the lower sleeve. Further, a limiting plate corresponding to the outer side wall of the lower sleeve is fixedly arranged on the side wall of the lower end of the limiting swing arm far away from the axis of the lower sleeve, and the limiting plate limits the limiting swing arm when the limiting swing arm is vertically arranged; the edge, close to the axis of the lower sleeve, of the lower end of the limiting swing arm adopts an arc chamfering structure; the inner sid