CN117364769A - Rotary drilling rig pulling protection cylinder auxiliary device and use method thereof - Google Patents

Abstract

The application provides a dig rig soon and pull out a section of thick bamboo auxiliary device and application method thereof, wherein auxiliary device locates in the section of thick bamboo that protects, including the chassis, with the coupling assembling and the installation component that the chassis is connected, coupling assembling's both ends are connected with a section of thick bamboo that protects, and installation component is connected with dig rig soon, dig rig soon can drive installation component, coupling assembling and a section of thick bamboo that protects and rotate and liftable. The rotary drilling rig can be connected with the pile casing by means of the auxiliary device, the pile casing is pulled up, equipment investment is reduced, pulling time is shortened, and the efficiency of the cast-in-place pile is improved compared with the prior art that the pile casing is pulled up by matching the crawler crane with the rotary drilling rig.

Description

Rotary drilling rig pulling protection cylinder auxiliary device and use method thereof

Technical Field

The application relates to the technical field of buildings, in particular to a rotary drilling rig pulling and casing auxiliary device and a using method thereof.

Background

In the bored pile, a steel pile casing is often buried to position the pile position to be drilled, and when concrete pouring and void backfilling are completed, the pile casing needs to be pulled out in time, so that the influence on the subsequent construction of other bored piles is avoided.

The existing method for pulling out the pile casing is that firstly, a rotary drilling rig is adjusted, a drilling hole below the rotary drilling rig is placed in the pile casing, the drill bit is slightly rocked left and right, the pile casing is enabled to continuously bear thrust in all directions, when the pile casing is found to be loose obviously, operation is stopped, after the rotary drilling rig is removed, a crawler crane is positioned, a lifting appliance of the crawler crane is connected with a lifting hole of the pile casing, and the pile casing is transferred to an idle place after lifting.

The existing method for pulling out the pile casing is complex in process, needs to be completed together by throwing in the crawler crane and the drilling rig, prolongs the completion time of a single pile, and reduces the efficiency of the cast-in-place pile.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings in the prior art, the present application is directed to a rotary drilling rig pull-out casing assist apparatus and method of use thereof.

In a first aspect, the present application provides a rotary drilling rig pull-out casing auxiliary device, locates in the casing, the axis of casing is the first axis, the extending direction of first axis is the third direction, its characterized in that, auxiliary device includes:

the top surface of the chassis is provided with a mounting surface;

the connecting assembly comprises two symmetrically arranged connecting parts which are distributed on the mounting surface along a first direction, a first space is formed between the two connecting parts, and the mutually far ends of the connecting parts are respectively connected with the protective cylinder;

the installation component, installation component locates in the first space, its bottom with the installation face is connected, and along the both ends of second direction with coupling assembling is connected, installation component keep away from chassis side with dig the rig soon is connected, dig the rig soon can drive installation component the coupling assembling and protect a section of thick bamboo with the first axis rotates, and follows the third direction removes, the second direction with the first direction is perpendicular, the third direction with the second direction with the third direction is perpendicular.

According to the technical scheme provided by the embodiment of the application, the installation assembly comprises an installation main body arranged on the installation surface, a first groove is formed in the installation main body, and one end of the rotary drilling rig is arranged in the first groove and connected with the installation main body.

According to the technical scheme provided by the embodiment of the application, each connecting part comprises two connecting pieces, four connecting pieces form the first space, the two connecting pieces of the same connecting part are far away from the installation component end to form a first included angle, the opening of the first included angle faces the installation component end, the two connecting pieces of the same connecting part are far away from the protection barrel end and are respectively connected with two ends of the installation main body along the second direction.

According to the technical scheme provided by the embodiment of the application, the two connecting pieces on the same side of different connecting parts form a second included angle at the mutually approaching end, and the opening of the second included angle faces away from the mounting assembly end; the connecting assembly further comprises a reinforcing assembly, wherein the reinforcing assembly is used for connecting two connecting pieces on the same side of different connecting parts.

According to the technical scheme provided by the embodiment of the application, each connecting part further comprises a connecting plate arranged at the end far away from the installation component, two connecting pieces of each connecting part are far away from the end of the installation component and are connected with the connecting plate, and the connecting plate is far away from the end of the installation component and is connected with the casing.

According to the technical scheme provided by the embodiment of the application, the two side walls of the mounting main body along the first direction are provided with the first through holes communicated with the first grooves, one end of the rotary drilling rig arranged in the first grooves is a first end, and the second through holes penetrate through the first end and correspond to the first through holes; the axial direction of the first through hole and the second through hole is the first direction; and a first locking piece is arranged through the second through hole and the two first through holes and used for locking the first end with the installation main body.

According to the technical scheme that this application embodiment provided, first retaining member includes first steel round pin, first steel round pin is including running through two first through-hole with the first round pin post of second through-hole, the one end of first round pin post is equipped with exposes first baffle outside the installation main body, the external diameter of first baffle is greater than the internal diameter of first through-hole, first round pin post exposes outside the installation main body keep away from first baffle end is equipped with the third through-hole, runs through the third through-hole is equipped with first round pin axle, first round pin axle is used for locking first steel round pin.

According to the technical scheme provided by the embodiment of the application, different connecting parts are arranged on the same side of the connecting parts, a second space is formed between the connecting parts and the installation main body, a first repair welding part is arranged in the second space and used for reinforcing the connection strength of the connecting parts and the installation main body.

According to the technical scheme provided by the embodiment of the application, the same two connecting pieces of the connecting part and the connecting plate form a third space, a second repair welding piece is arranged in the third space and used for reinforcing the connecting strength of the connecting piece and the connecting plate.

In a second aspect, the application provides a method for using a rotary drilling rig pulling up casing auxiliary device, including the following steps:

fixedly connecting one end of the rotary drilling rig with the mounting assembly;

fixedly connecting the protective cylinder with the connecting component;

slowly rotating the rotary drilling rig to drive the pile casing to rotate;

lifting the rotary drilling rig to pull up the casing.

To sum up, the application provides a dig rig soon and pull out a section of thick bamboo auxiliary device that protects, locates in the section of thick bamboo that protects, including the chassis, with the coupling assembling and the installation component that the chassis is connected, coupling assembling's both ends are connected with a section of thick bamboo that protects, and installation component is connected with dig the rig soon, dig the rig soon and can drive installation component, coupling assembling and protect a section of thick bamboo rotation and liftable. The rotary drilling rig can be connected with the pile casing by means of the auxiliary device, the pile casing is pulled up, equipment investment is reduced, pulling time is shortened, and the efficiency of the cast-in-place pile is improved compared with the prior art that the pile casing is pulled up by matching the crawler crane with the rotary drilling rig.

Drawings

Fig. 1 is a schematic structural diagram of a rotary drilling rig pulling up casing auxiliary device provided in an embodiment of the present application;

fig. 2 is a schematic structural view of a rotary drilling rig pulling up casing auxiliary device and a casing provided in an embodiment of the present application;

fig. 3 is a schematic top view of a rotary drilling rig pulling up casing auxiliary device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a first steel pin according to an embodiment of the present disclosure;

fig. 5 is a schematic cross-sectional view of a first locking member according to an embodiment of the present application.

1. A protective barrel; 11. a fifth through hole; 2. a chassis; 21. a mounting surface; 3. a connection part; 31. a first space; 32. a connecting piece; 33. a second space; 34. a second end; 35. a third edge; 36. a third space; 4. a mounting assembly; 41. a mounting main body; 42. a first groove; 43. a first edge; 44. a first through hole; 5. a drill rod; 51. a first end; 6. a reinforcement assembly; 61. a first slit; 7. a connecting plate; 71. a fourth through hole; 8. a first locking member; 81. a first steel pin; 811. a first pin; 812. a first baffle; 813. a third through hole; 82. a first pin; 821. a second baffle; 822. a locking piece; 8221. a transverse portion; 8222. an extension.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

According to the technical problem mentioned in the background art, the application provides a rotary drilling rig pulling pile casing auxiliary device, which is arranged in the pile casing 1, the axis of the pile casing 1 is a first axis, the direction of an extension line of the first axis is a third direction, as shown in fig. 1, and the auxiliary device comprises:

a chassis 2, the top surface of the chassis 2 is provided with a mounting surface 21; optionally, the chassis 2 is circular, and after the auxiliary device is fixedly connected with the casing 1, the chassis 2 and the casing 1 are coaxially arranged;

the connecting assembly comprises two symmetrically arranged connecting parts 3 distributed on the mounting surface 21 along a first direction, a first space 31 is formed between the two connecting parts 3, and the mutually far ends of the connecting parts 3 are respectively connected with the pile casing 1; as shown in fig. 1, the first direction is the front-back direction, and since the two connecting portions 3 are symmetrically arranged, the extension line of the connection line between the two connecting portions 3 and the connection point of the casing 1 is on the same straight line with the diameter of the casing 1, so that the uniformity of the acting force when the casing 1 rotates is ensured, and the damage of the casing 1 caused by uneven stress when the casing 1 is driven is avoided.

The installation component 4, the installation component 4 is located in the first space 31, its bottom with installation face 21 is connected, and along the both ends of second direction with coupling assembling is connected, installation component 4 keep away from chassis 2 side with dig the rig soon is connected, dig the rig soon can drive installation component 4 coupling assembling and protect section of thick bamboo 1 with the first axis rotates, and along the third direction removes, the second direction with first direction is perpendicular, the third direction with the second direction with the third direction is perpendicular.

The second direction is a left-right direction, the third direction is a vertical direction, the drill rod 5 of the rotary drilling rig is connected with the installation component 4, when the rotary drilling rig is used, after the rotary drilling rig is connected with the pile casing 1 through the auxiliary device, the rotary drilling rig is rotated to drive the installation component 4 and the pile casing 1 to rotate, after the pile casing 1 is loosened, side friction force is eliminated, and then the rotary drilling rig is used for lifting the installation component 4 and the pile casing 1, so that the pile casing 1 is pulled up. The rotary drilling rig can be connected with the pile casing 1 by means of the auxiliary device, and the pile casing 1 is pulled up, so that compared with the prior art that the pile casing 1 is pulled up through matching of the crawler crane and the rotary drilling rig, equipment investment is reduced, pulling time is shortened, and the efficiency of a cast-in-place pile is improved.

In a preferred embodiment, the mounting assembly 4 includes a mounting body 41 disposed on the mounting surface 21, a first groove 42 is disposed in the mounting body 41, and one end of the rotary drilling machine is disposed in the first groove 42 and connected to the mounting body 41.

Referring to fig. 1 and 3, the mounting main body 41 is a cuboid, and is located in the middle of the chassis 2, the middle point of the mounting main body is located on the first axis, the first groove 42 is a rectangular groove, and one end of the drill rod 5 of the rotary drilling rig is disposed in the first groove 42 and is connected with the mounting main body 41, alternatively, the mounting main body 41 is fixedly connected with the chassis 2 through welding.

In a preferred embodiment, each of the connecting portions 3 includes two connecting members 32, four connecting members 32 form the first space, two connecting members 32 of the same connecting portion 3 form a first included angle away from the end of the mounting assembly 4, an opening of the first included angle faces the end of the mounting assembly 4, and two connecting members 32 of the same connecting portion 3 are connected to two ends of the mounting body 41 along the second direction, away from the end of the casing 1.

As shown in fig. 1 to 3, optionally, the connecting pieces 32 may be i-steel, the connecting pieces 32 on the same side of the two different connecting portions 3 are close to each other, edges near the end of the mounting component 4 are welded to each other, two connecting pieces 32 of the same connecting portion 3 are respectively welded to the left and right first edges 43 of the front and rear side walls of the mounting main body 41, and four connecting pieces 32 form a diamond shape, so that the connection strength is improved, the stability is improved, and when the inner diameters of the casing 1 are different, the auxiliary device and the casing 1 can be matched by changing the length of the connecting pieces 32 and the size of the first included angle.

In a preferred embodiment, the two connecting pieces 32 on the same side of the connecting portion 3 form a second included angle with respect to each other, and the opening of the second included angle faces away from the end of the mounting assembly 4; the connecting assembly further comprises a reinforcing assembly 6, wherein the reinforcing assembly 6 is used for connecting two connecting pieces 32 on the same side of different connecting parts 3.

Optionally, each connecting piece 32 has a rectangular shape, and since two connecting pieces 32 on the same side of different connecting parts 3 are welded with the corresponding first edges 43, a first gap 61 is formed between the ends of the two connecting pieces 32 on the same side far from the mounting assembly 4, and optionally, the reinforcing assembly 6 is a cuboid plate; the reinforcement assembly 6 is welded to the connector 32; when the connecting member 32 is i-steel, two reinforcing members 6 are required to connect the two connecting members 32.

In an embodiment, a second space 33 is formed between the connecting piece 32 and the mounting body 41 on the same side of the different connecting portions 3, and a first repair welding piece is disposed in the second space 33 and used for reinforcing the connection strength between the connecting piece 32 and the mounting body 41.

Wherein, the welding of each connecting piece 32 and the first edge of the mounting main body 41, and the welding of two connecting pieces 32 of different connecting parts 3 are both wire-to-wire welding, the cross section of the second space 33 is triangular, alternatively, the first welding repair piece is an iron sheet which can be put into the second space 33 and has a cross section similar to a triangle, and the gap between the first welding repair piece and the inner wall of the second space 33 is filled by solder, so that the connection between the connecting piece 32 and the mounting main body 41 and the connection between the first welding repair piece and the surface are realized, and the connection strength is improved, and the auxiliary device is more stable.

In a preferred embodiment, each of the connection parts 3 further includes a connection plate 7 disposed at an end remote from the mounting assembly 4, and the two connection members 32 of each of the connection parts 3 are connected to the connection plate 7 at ends remote from the mounting assembly 4, and the connection plate 7 is connected to the casing 1 at ends remote from the mounting assembly 4.

The two connecting pieces 32 of the same connecting portion 3 are symmetrically arranged, and a first included angle is formed between the two connecting pieces 32 of the same connecting portion 3, the ends, away from the mounting assembly 4, of the two connecting pieces 32 of the same connecting portion 3 are set to be second ends 34, two second edges, close to each other, of the second ends 34 are welded, and a third edge 35, away from the second edges, is welded with the connecting plate 7. By providing the connection plates 7 to connect the two connection members 32 of the same connection portion 3, stability is enhanced.

In a preferred embodiment, a third space 36 is formed between the two connecting pieces 32 of the same connecting portion 3 and the connecting plate 7, and a second repair welding piece is disposed in the third space 36, and the second repair welding piece is used for reinforcing the connection strength between the connecting piece 32 and the connecting plate 7.

The two connecting pieces 32 of the same connecting portion 3 are connected with the connecting plate 7 through a second edge, the cross section of the third space 36 is triangular, optionally, the second repair welding piece is a steel plate which can be placed in the third space 36 and is approximately triangular, and welding is performed between the second repair welding piece and the two connecting pieces 32 and the connecting plate 7 through filling welding flux between the second repair welding piece and the inner wall of the third space 36, so that the connection strength of the connecting piece 32 and the connecting plate 7 is enhanced, and the stability of the auxiliary device is improved.

In a preferred embodiment, two side walls of the mounting body 41 along the first direction are provided with a first through hole 44 communicated with the first groove, one end of the rotary drilling machine placed in the first groove 42 is a first end 51, and a second through hole is formed through the first end 51 and corresponds to the first through hole 44; the axial direction of the first through hole 44 and the second through hole is the first direction; a first locking member 8 is provided through the second through hole and the two first through holes 44, and the first locking member 8 is used for locking the first end 51 with the mounting body 41.

Wherein the first end 51 is an end of the drill rod 5 of the rotary drilling machine, and the inner diameter of the second through hole is equal to or slightly larger than the inner diameter of the first through hole 44, as shown in fig. 4 and 5; during installation, the second through hole corresponds to the first through hole 44, so that the axes of the two through holes are in the same straight line, and the first locking piece 8 is penetrated to fix the rotary drilling machine and the installation main body 41.

In a preferred embodiment, the first locking member 8 includes a first steel pin 81, the first steel pin 81 includes a first pin 811 penetrating through the two first through holes and the second through hole, one end of the first pin 811 is provided with a first baffle 812 exposed outside the mounting body 41, the outer diameter of the first baffle 812 is larger than the inner diameter of the first through hole 44, the end, far away from the first baffle 812, of the first pin 811 exposed outside the mounting body 41 is provided with a third through hole 813, a first pin 82 penetrates through the third through hole 813, and the first pin 82 is used for locking the first steel pin 81.

As shown in fig. 4 and 5, the first pin 82 includes a second baffle 821 and two locking pieces 822 disposed on one side of the second baffle 821, the outer diameter of the second baffle 821 is larger than the inner diameter of the third through hole 813, each locking piece 822 includes a transverse portion 8221 disposed in the third through hole 813, and an extension portion 8222 connected to the transverse portion 8221 and far from the end of the second baffle 821 and exposed outside the third through hole 813, and the extension directions of the two extension portions 8222 of different locking pieces 822 are opposite.

In a preferred embodiment, as shown in fig. 1-2, a fourth through hole 71 is formed through each connecting plate 7 and the second repair welding member, a fifth through hole 11 is formed at a position of the casing 1 corresponding to each fourth through hole 71, a second locking member is formed through the fourth through hole 71 and the fifth through hole 11 opposite thereto, the second locking member includes a second steel pin, and a second pin shaft matched with the second steel pin, and the structures of the second steel pin and the second pin shaft are the same as those of the first steel pin 81 and the first pin shaft 82, which are not repeated herein. And the connecting assembly is fixedly connected with the casing 1 through the second steel pin and the second pin shaft.

Example 2

On the basis of embodiment 1, the application provides a use method of a rotary drilling rig pulling-out casing device, which comprises the following steps:

fixedly connecting one end of the rotary drilling rig with the mounting assembly 4; the method specifically comprises the following steps: the first end 51 of the drill rod 5 is placed in the first groove 42, the second through holes are aligned with the two first through holes 44, and the first end 51 is fixedly connected with the mounting body 41 through the first steel pin 81 and the first pin 82.

Fixedly connecting the protective cylinder 1 with the connecting component; the method specifically comprises the following steps: after the first end 51 is fixedly connected to the mounting main body 41, the auxiliary device is placed in the casing 1 through the rotary drilling rig, and the auxiliary device is rotated, so that the fourth through hole 71 is aligned with the fifth through hole 11 corresponding to the fourth through hole, and the casing 1 is fixedly connected to the connecting assembly through the second steel pin and the second pin shaft.

Slowly rotating the rotary drilling rig to drive the casing 1 to rotate; after the fixation of all parts is ensured to be firm, the drill rod 5 of the rotary drilling rig is slowly rotated to drive the auxiliary device to rotate, so that the side surface of the casing 1 and the stratum are relatively moved, and the original friction force on the side surface of the casing 1 is eliminated.

Lifting the rotary drilling rig to pull up the casing 1. The rotary drilling rig can be connected with the pile casing 1 by means of the auxiliary device, the pile casing 1 is pulled up, equipment investment is reduced, pulling time is shortened, and the efficiency of the cast-in-place pile is improved compared with the prior art that the pile casing 1 is pulled up by matching the crawler crane with the rotary drilling rig.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (10)

1. The utility model provides a dig rig soon and pull out a casing auxiliary device, locates in a casing (1), the axis of a casing (1) is the first axis, the extending direction of first axis is the third direction, its characterized in that, auxiliary device includes:

the chassis (2), the top surface of the chassis (2) is provided with a mounting surface (21);

the connecting assembly comprises two symmetrically arranged connecting parts (3) which are distributed on the mounting surface (21) along a first direction, a first space (31) is formed between the two connecting parts (3), and the mutually far ends of the connecting parts (3) are respectively connected with the protective cylinder (1);

the installation component (4), installation component (4) are located in first space (31), its bottom with installation face (21) are connected, and along the both ends of second direction with coupling assembling is connected, installation component (4) keep away from chassis (2) side with dig the rig soon and be connected, dig the rig soon can drive installation component (4), coupling assembling and protect section of thick bamboo (1) with the first axis rotates, and along the third direction removes, the second direction with first direction is perpendicular, the third direction with the second direction with the third direction is perpendicular.

2. The rotary drilling rig pulling-out casing auxiliary device according to claim 1, wherein the mounting assembly (4) comprises a mounting main body (41) arranged on the mounting surface (21), a first groove (42) is formed in the mounting main body (41), and one end of the rotary drilling rig is arranged in the first groove (42) and is connected with the mounting main body (41).

3. The rotary drilling rig pulling-out casing auxiliary device according to claim 1, wherein each connecting portion (3) comprises two connecting pieces (32), four connecting pieces (32) form the first space, two connecting pieces (32) of the same connecting portion (3) form a first included angle away from the mounting assembly (4), an opening of the first included angle faces the mounting assembly (4), and two connecting pieces (32) of the same connecting portion (3) are respectively connected with two ends of the mounting main body (41) along the second direction away from the casing (1).

4. A rotary drilling rig pull-out casing aid according to claim 3, characterized in that two of the connecting pieces (32) on the same side of the connecting portion (3) form a second angle with respect to each other, the opening of the second angle being directed away from the mounting assembly (4); the connecting assembly further comprises a reinforcing assembly (6), wherein the reinforcing assembly (6) is used for connecting two connecting pieces (32) on the same side of different connecting parts (3).

5. A rotary drilling rig pull-out casing auxiliary device according to claim 3, characterized in that each connecting part (3) further comprises a connecting plate (7) arranged at the end far away from the mounting assembly (4), the two connecting pieces (32) of each connecting part (3) are connected with the connecting plates (7) at the end far away from the mounting assembly (4), and the connecting plates (7) are connected with the casings (1) at the end far away from the mounting assembly (4).

6. The rotary drilling rig pulling-out casing auxiliary device according to claim 2, wherein two side walls of the mounting main body (41) along the first direction are provided with first through holes (44) communicated with the first groove (42), one end of the rotary drilling rig placed in the first groove (42) is a first end (51), and a second through hole is formed through the first end (51) and corresponds to the first through holes (44); the axial direction of the first through hole (44) and the second through hole is the first direction; a first locking member (8) is arranged through the second through hole and the two first through holes (44), and the first locking member (8) is used for locking the first end (51) and the mounting main body (41).

7. The rotary drilling rig pulling casing auxiliary device according to claim 6, wherein the first locking member (8) comprises a first steel pin (81), the first steel pin (81) comprises a first pin (811) penetrating through two first through holes and the second through holes, one end of the first pin (811) is provided with a first baffle (812) exposed outside the mounting main body (41), the outer diameter of the first baffle (812) is larger than the inner diameter of the first through hole (44), the end, far away from the first baffle (812), of the first pin (811) exposed outside the mounting main body (41) is provided with a third through hole (813), a first pin (82) penetrates through the third through hole (813), and the first pin (82) is used for locking the first steel pin (81).

8. A rotary drilling rig pull-out casing auxiliary device according to claim 3, characterized in that a second space (33) is formed between the connecting piece (32) and the mounting main body (41) on the same side of the different connecting parts (3), a first repair welding piece is arranged in the second space (33), and the first repair welding piece is used for reinforcing the connection strength of the connecting piece (32) and the mounting main body (41).

9. The rotary drilling rig pulling casing auxiliary device according to claim 5, wherein a third space (36) is formed between the two connecting pieces (32) of the same connecting portion (3) and the connecting plate (7), and a second repair welding piece is arranged in the third space (36) and used for reinforcing the connection strength of the connecting piece (36) and the connecting plate (7).

10. A method of using the rotary drilling rig pull-out casing assist device of any one of claims 1 to 9, comprising the steps of:

fixedly connecting one end of the rotary drilling rig with the mounting assembly (4);

fixedly connecting the protective cylinder (1) with the connecting component;

slowly rotating the rotary drilling rig to drive the pile casing (1) to rotate;

lifting the rotary drilling rig to pull up the casing (1).