CN117703266A - Foundation pile punching construction equipment - Google Patents

Abstract

The invention belongs to the technical field of foundation pile construction, in particular to foundation pile punching construction equipment, which comprises a frame, a drill rod, a drilling assembly, a supporting piece and a connecting assembly, wherein the drill rod is arranged on the frame; according to the invention, water is filled into the support bag body through the first connecting pipe, so that the outer ring side wall of the support bag body expands towards the pile hole wall, the outer ring side wall of the support bag body is extruded on the pile hole wall, the hole wall is supported, the lifting assembly, the rotating assembly and the slurry pump continue to work after the support piece and the connecting assembly are separated, the foundation is further drilled, and the punching work is completed; the outer ring side wall of the supporting bag body extrudes the crushed stone soil layer, so that the probability of scattering or even collapsing of the crushed stone soil layer is reduced, and the normal operation of punching operation is ensured; only support the hole wall by installing the support piece on the gravel soil layer accessory, thereby reducing the construction difficulty and improving the construction speed.

Description

Foundation pile punching construction equipment

Technical Field

The invention belongs to the technical field of foundation pile construction, and particularly relates to foundation pile punching construction equipment.

Background

The foundation piles are the foundation of the building and can be generally divided into precast piles and cast-in-place piles, wherein the cast-in-place piles are foundation piles formed by punching or digging holes in preset places and pouring concrete; the soil layer of partial foundation contains partial broken stone soil layer, and the broken stone soil layer is easy to scatter or collapse during drilling, so that normal drilling operation is affected, and certain use defects exist.

The conventional wall protection mode of drilling in the gravel soil layer adopts a pipe-following drilling method, namely, the wall protection pipe is gradually lowered to the bottom of the gravel soil layer in the drilling process, the gravel soil is blocked to prevent collapse, and the method is found in the use process that the wall protection pipe needs to be lowered to the designated depth by adopting a hammering method, so that the construction difficulty is high and the construction speed is low.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides foundation pile punching construction equipment. The invention is mainly used for solving the problems of low construction speed and high construction difficulty of the existing heel tube drilling method that the wall protecting tube needs to be lowered to the designated depth by adopting a hammering method.

The technical scheme adopted for solving the technical problems is as follows: the invention provides foundation pile punching construction equipment which comprises a frame, a drill rod, a drilling assembly, a supporting piece and a connecting assembly, wherein the drill rod is arranged on the frame; the rack is connected with a mounting plate in a sliding manner; the mounting plate slides up and down; the frame is connected with the mounting plate through a lifting assembly; the lifting assembly is used for realizing up-and-down movement of the mounting plate; the mounting plate is rotationally connected with the drill rod; the upper end of the drill rod is rotationally connected with the mounting plate; the lower end of the drill rod is connected with the drilling assembly; the drilling assembly is used for punching; the drill rod is connected with the mounting plate through a rotating assembly; the rotating assembly is used for realizing the rotation of the drill rod; the upper end of the drill rod is provided with a second connecting pipe; one end of the second connecting pipe is rotationally connected with the upper end of the drill rod; the second connecting pipe is communicated with the inner hole of the drill rod; the lower end of the drill rod is provided with a discharge outlet; the exhaust ports are uniformly arranged at intervals; the other end of the second connecting pipe is communicated with an outlet of the slurry pump; the support piece is arranged above the drilling assembly; the supporting piece is of an annular structure; the supporting piece is of a split type structure; the support piece comprises a support bag body and a support framework; the support bag body is of a hollow annular structure; the support bag body is made of flexible materials; the inner ring side wall and the outer ring side wall of the supporting bag body are of corrugated structures; the support framework is arranged in the support bag body; the upper end of the supporting framework is connected with the side wall of the upper end of the supporting bag body; the lower end of the supporting framework is connected with the side wall of the lower end of the supporting bag body; the support piece is connected with the drill rod through the connecting component; the connecting assembly is used for realizing synchronous movement and rotation of the support piece and the drill rod; a first connecting part is arranged on the drill rod; the first connecting part is arranged below the mounting plate; a first connecting pipe is arranged at the upper end of the supporting bag body; the first connecting pipes are uniformly arranged at intervals along the circumferential direction of the supporting bag body; the first connecting pipe is fixedly connected with the first connecting part; the first connecting pipe is detachably connected with the first connecting part; one end of the first connecting pipe is fixedly connected with the supporting bag body; one end of the first connecting pipe is communicated with the inner cavity of the supporting bag body; the other end of one of the first connecting pipes is communicated with the discharge end of the first pump body; the other end of the first connecting pipe is communicated with the suction end of the second pump body; the other ends of the other first connecting pipes are closed; a controller is fixedly connected to the frame; the first pump body is used for filling water into the inner cavity of the support bag body; the second pump body is used for pumping water in the inner cavity of the support bag body; the first pump body, the second pump body, the lifting assembly, the rotating assembly and the connecting assembly are electrically connected with the controller.

Preferably, the supporting framework is of a split type structure; the supporting framework comprises a first connecting plate, a first connecting piece and a shearing fork mechanism; the first connecting piece is of an annular structure; the first connecting plate is of an annular structure; the first connecting pieces are uniformly arranged at intervals up and down; a second connecting part is arranged on the first connecting piece; the second connecting parts are uniformly arranged at intervals along the circumferential direction of the first connecting piece; the two connecting parts on the upper and lower adjacent first connecting pieces are arranged at the same position; one end of each second connecting part is fixedly connected with a first connecting shaft; the other ends of all the second connecting parts are connected with a first sliding block in a sliding way; a second connecting shaft is fixedly connected to the first sliding block; the two second connecting parts on the same position on the upper and lower adjacent first connecting parts are connected through the shearing fork mechanism; a supporting rod at the upper end of the shearing fork mechanism is rotationally connected with the first connecting shaft on the second connecting part; the other support rod at the upper end of the scissor mechanism is rotationally connected with the second connecting shaft on the second connecting part; a supporting rod at the lower end of the shearing fork mechanism is rotationally connected with the first connecting shaft on the second connecting part below; the other support rod at the lower end of the shearing fork mechanism is rotationally connected with the second connecting shaft on the second connecting part below; the first connecting plates are arranged on the first connecting pieces at two ends; the first connecting plate is fixedly connected with the first connecting piece; a second sliding block and a third connecting shaft are arranged on all the second connecting parts on the first connecting pieces at two ends; the second sliding block is in sliding connection with the second connecting part; the second sliding block is abutted against the first sliding block; the third connecting shaft is arranged on the second sliding block; the third connecting shaft is rotationally connected with the first connecting plate; and the third connecting shaft is in threaded connection with the second sliding block.

Preferably, the connecting component comprises a first connecting seat, a second connecting seat, a first rotating shaft, a telescopic mechanism, a third connecting piece, a second rotating shaft, a first motor, a first rotating piece, a third rotating shaft, a first fixing shaft, a first pulley, a first pull rope and a first shell; the first connecting seat is fixedly connected to the drill rod; the second connecting seat is symmetrically arranged on the upper side and the lower side of the first connecting seat; the second connecting seat is in sliding connection with the drill rod; a first threaded hole is formed in the second connecting seat; the first connecting seat is rotationally connected with the first rotating shaft; two ends of the first rotating shaft respectively penetrate through the first threaded holes of the upper connecting seat and the lower connecting seat; the first rotating shaft is in threaded connection with the first threaded hole; the rotation directions of the thread structures at the two ends of the first rotating shaft are opposite; the telescopic mechanisms are arranged on the four side surfaces of the second connecting seat; the telescopic mechanism comprises a first fixed cylinder, a second sliding cylinder and a third sliding piece; the first fixed cylinder and the second sliding cylinder are both cylindrical structures with two open ends; one end of the first fixing cylinder, which is close to the second connecting seat, is fixedly connected with the second connecting seat; the first fixing cylinder is connected with the side wall of the second connecting seat in a sealing way; a first limiting part is arranged at one end of the first fixing cylinder, which is far away from the second connecting seat; the first limiting part is arranged on the inner side of the first fixed cylinder; a second sliding part is arranged at one end of the second sliding cylinder, which is close to the second connecting seat; the second sliding part is arranged on the outer side of the second sliding cylinder; a second limiting part is arranged at one end of the second sliding cylinder, which is far away from the second connecting seat; the second limiting part is arranged on the inner side of the second sliding cylinder; a third sliding part is arranged at one end of the third sliding part, which is close to the second connecting seat; a third connecting part is arranged at one end of the third sliding part, which is far away from the second connecting seat; a first limiting plate is fixedly connected in the first fixing cylinder; a second limiting plate is fixedly connected in the second sliding cylinder; the first fixing cylinder is far away from one end of the second connecting seat, and the second sliding cylinder is arranged at one end of the first fixing cylinder, which is far away from the second connecting seat; the second sliding cylinders are uniformly arranged at intervals; the inner hole of the second sliding cylinder is gradually reduced; the two adjacent second sliding cylinders are connected in a sliding way; one of the two adjacent sliding cylinders far away from the second connecting seat passes through the other sliding cylinder; the second sliding part of one second sliding cylinder far away from the second connecting seat in the two adjacent second sliding cylinders is in sliding connection with the inner side wall of the other second sliding cylinder; the second sliding part of one second sliding cylinder far away from the second connecting seat in the two adjacent second sliding cylinders is in sealing connection with the inner side wall of the other second sliding cylinder; one second sliding cylinder close to the first fixed cylinder passes through an inner hole of the first fixed cylinder; the second sliding part on the second sliding cylinder is in sliding connection with the inner side wall of the first fixed cylinder; the second sliding part on the second sliding cylinder is in sealing connection with the inner side wall of the first fixed cylinder; the third sliding piece is arranged in the second sliding barrel farthest from the second connecting seat; the third sliding part is in sliding connection with the inner wall of the second sliding cylinder; the third sliding part is in sealing connection with the inner wall of the second sliding cylinder; the third connecting piece is arranged at the upper end and the lower end of the supporting piece; the third connecting pieces are uniformly arranged at intervals along the circumferential direction of the supporting piece; one end of the third connecting piece is fixedly connected with the first connecting plate; the other end of the third connecting piece is provided with a third connecting groove; the third connecting part is abutted against the third connecting groove; the four side surfaces of the first connecting seat are respectively and rotatably connected with the second rotating shaft; the second rotating shafts are connected through a first transmission mechanism; the first transmission mechanism is used for realizing synchronous rotation of all the second rotating shafts; the first motor is fixedly connected to the first connecting seat; one of the second rotating shafts is connected with the rotating shaft of the first motor through a second transmission mechanism; the middle parts of all the second rotating shafts are fixedly connected with the first rotating member; the cylindrical surface of the first rotating piece is provided with two first winding parts; the first winding part is arranged at intervals; the third rotating shaft is arranged on one side, close to the first connecting seat, of the second rotating shaft; the third rotating shafts are arranged at intervals up and down; the third rotating shaft is rotationally connected with the first connecting seat; the first fixed shaft is arranged on the first fixed cylinder; the first fixed shaft is rotationally connected with the first pulley; the first pull rope is arranged on the first winding part; the first pull rope is made of rubber materials coated outside the steel wire rope; one end of the first stay cord is wound in the first winding part; the first pull rope passes through the space between the two third rotating shafts; the first pull rope on the same side of the first connecting seat bypasses above the first pulley in the first fixing cylinder above the first pull rope; the first pull rope is fixedly connected with the third sliding part corresponding to the first fixing cylinder; the first pull rope on the same side of the first connecting seat bypasses under the first pulley in the first fixing cylinder below; the first pull rope is fixedly connected with the third sliding part corresponding to the first fixing cylinder below; the first connecting seat is fixedly connected with the first shell outside; the first shell is of a split type structure; a first connecting structure is arranged at the joint of the first pull rope and the first shell; the first pull rope passes through the first connecting structure; the first pull rope is connected with the first connecting structure in a sealing way; a second connecting structure is arranged at the joint of the first rotating shaft and the first shell; the first rotating shaft penetrates through the second connecting structure; the first rotating shaft is in sealing connection with the second connecting structure; a first pipeline and a second pipeline are arranged on the first fixed cylinder; the first pipeline and the second pipeline are fixedly connected with the first fixed cylinder; the first pipeline and the second pipeline are communicated with the inner hole of the first fixed cylinder; a valve I is fixedly connected to the pipeline I; the first valve is a one-way valve; a valve II is fixedly connected to the pipeline II; the second valve is a one-way valve; the motor I is electrically connected with the controller.

Preferably, the drilling assembly comprises a fourth sliding piece, a fourth rotating shaft, a fourth motor, a first mounting seat, a fourth cutting piece and a fourth swinging piece; the lower end of the drill rod is provided with the fourth sliding part, the fourth rotating shaft and the fourth motor; the fourth sliding piece is in sliding connection with the drill rod; the fourth rotating shaft is rotationally connected with the drill rod; the fourth rotating shaft penetrates through the threaded hole of the fourth sliding piece; the fourth rotating shaft is in threaded connection with the fourth sliding piece; the fourth motor is fixedly connected with the drill rod; the rotating shaft of the fourth motor is fixedly connected with the fourth rotating shaft; the lower end of the drill rod is fixedly connected with the first mounting seat; a first cutting part is arranged at the lower end of the first mounting seat; the first cutting parts are uniformly arranged at intervals along the circumferential direction of the first mounting seat; the fourth cutting piece is arranged above the first cutting part; the fourth cutting elements are in one-to-one correspondence with the first cutting parts; the lower end of the fourth cutting element is provided with a first hinge part; the first hinge part is rotationally connected with the first mounting seat; the upper end of the fourth cutting element is provided with a second hinging part; a fourth hinge part is arranged on the fourth sliding part; the fourth hinging parts are in one-to-one correspondence with the second hinging parts; the second hinge parts and the fourth hinge parts in pairs are connected through the fourth swinging piece; two ends of the fourth swinging piece are respectively connected with the second hinging part and the fourth hinging part in a rotating way; and the fourth motor is electrically connected with the controller.

Preferably, the lower end of the supporting piece is fixedly connected with a second mounting seat; a second mounting groove is formed in the second mounting seat; a second connecting rod is connected in a sliding manner in the second mounting groove; the lower end of the second connecting rod is fixedly connected with a second floating piece; the upper bottom surface of the second mounting groove is fixedly connected with a pressure sensor; the upper end of the second connecting rod is abutted against the pressure sensor; an alarm is fixedly connected to the frame; the pressure sensor and the alarm are electrically connected with the controller.

Preferably, a second framework is arranged in the side wall of the first connecting pipe; the second framework comprises a connecting ring and a connecting strip; the connecting rings are uniformly arranged at intervals along the length direction of the first connecting pipe; the connecting strips are uniformly arranged at intervals along the circumferential direction of the first connecting pipe; the connecting strip and the connecting ring are welded together; the second framework is cast with the side wall of the first connecting pipe; the first connecting pipe is bendable.

Preferably, the wall thickness of the outer side wall of the support bag body is smaller than the wall thickness of the inner side wall of the inner ring; the side wall of the inner ring of the support bag body is not easy to expand.

The beneficial effects of the invention are as follows:

1. according to the invention, the crushed stone soil layer is extruded through the outer ring side wall of the support bag body, so that the probability of scattering or collapse of the crushed stone soil layer is reduced, and the normal operation of punching operation is ensured; only support the hole wall by installing the support piece on the gravel soil layer accessory, reduce the construction difficulty and improve the construction speed.

2. According to the invention, the height of the supporting piece is adjusted according to the thickness of the crushed stone soil layer, so that the application range of construction equipment is improved.

3. All the third connecting parts are abutted in the third connecting groove, and the supporting piece is fixed on the drill rod; the third connecting part is separated from the third connecting groove, so that the supporting piece is separated from the connecting component; the distance between the third sliding parts on the upper and lower second connecting seats is adjusted, and the supporting parts with different heights can be fixed on the drill rod.

4. According to the invention, the fourth cutting element is abutted against the first mounting seat after rotating upwards, so that the space occupied by the drilling assembly is reduced, the drilling assembly can conveniently move upwards through the supporting element, and the drilling assembly can be conveniently lifted out of a pile hole.

5. According to the invention, the time for dismounting the support piece is mastered by the pressure sensor and the alarm, so that the support piece is prevented from being dismounted too early or too late.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of construction equipment according to the present invention;

FIG. 2 is a schematic view of the structure of the drilling assembly of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of a second framework in the present invention;

fig. 5 is a schematic view of the internal structure of the construction equipment of the present invention;

FIG. 6 is a partial enlarged view at B in FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 5 at C;

FIG. 8 is a partial enlarged view at D in FIG. 5;

FIG. 9 is an enlarged partial view at E in FIG. 5;

FIG. 10 is a schematic view of the structure of the connection assembly of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at F;

FIG. 12 is a schematic view of the structure of the support framework of the present invention;

fig. 13 is a partial enlarged view at G in fig. 12;

FIG. 14 is a schematic view of a first connector base according to the present invention;

fig. 15 is a partial enlarged view at H in fig. 14;

FIG. 16 is a schematic view of the structure of the support capsule of the present invention;

FIG. 17 is an enlarged view of a portion of the portion I of FIG. 16;

in the figure: frame 1, mounting plate 11, lifting unit 12, rotating unit 13, drill rod 2, discharge port 21, first connecting portion 22, drilling unit 3, fourth slider 31, fourth hinge 311, fourth rotation shaft 32, fourth motor 33, first mount 34, first cutting portion 341, fourth cutting member 35, first hinge 351, second hinge 352, fourth swinging member 36, support 4, support capsule 41, support frame 42, first connecting plate 421, first connecting piece 422, second connecting portion 4221, scissors mechanism 423, first connecting shaft 424, first slider 425, second connecting shaft 426, second slider 427, third connecting shaft 428, first connecting tube 43, second frame 431, connecting ring 4311, connecting bar 4312, connecting unit 5 the first connecting seat 51, the second connecting seat 52, the first rotation shaft 53, the telescopic mechanism 54, the first fixing cylinder 541, the first limiting portion 5411, the second sliding cylinder 542, the second sliding portion 5421, the second limiting portion 5422, the third sliding piece 543, the third sliding portion 5431, the third connecting portion 5432, the first limiting plate 544, the second limiting plate 545, the first pipe 546, the second pipe 547, the first valve 548, the second valve 549, the third connecting member 55, the second rotation shaft 56, the first motor 57, the first rotation member 58, the third rotation shaft 59, the first fixing shaft 61, the first pulley 62, the first pull rope 63, the first housing 64, the second connecting pipe 71, the second mounting seat 81, the second connecting rod 82, the second floating member 83, and the pressure sensor 84.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1, 2, 3, 5, 6, 9, 10, 12 and 16, a foundation pile perforating construction equipment comprises a frame 1, a drill rod 2, a drilling assembly 3, a support 4 and a connecting assembly 5; the frame 1 is connected with a mounting plate 11 in a sliding manner; the mounting plate 11 slides up and down; the frame 1 is connected with the mounting plate 11 through a lifting assembly 12; the lifting assembly 12 is used for realizing up-and-down movement of the mounting plate 11; the mounting plate 11 is rotatably connected with the drill rod 2; the upper end of the drill rod 2 is rotationally connected with the mounting plate 11; the lower end of the drill rod 2 is connected with the drilling assembly 3; the drilling assembly 3 is used for punching; the drill rod 2 is connected with the mounting plate 11 through a rotating assembly 13; the rotating assembly 13 is used for realizing the rotation of the drill rod 2; the upper end of the drill rod 2 is provided with a second connecting pipe 71; one end of the second connecting pipe 71 is rotatably connected with the upper end of the drill rod 2; the second connecting pipe 71 is communicated with the inner hole of the drill rod 2; the lower end of the drill rod 2 is provided with a discharge outlet 21; the discharge ports 21 are uniformly spaced; the other end of the second connecting pipe 71 is communicated with an outlet of the slurry pump; the support 4 is arranged above the drilling assembly 3; the support 4 is of an annular structure; the supporting piece 4 is of a split type structure; the support 4 comprises a support capsule 41 and a support skeleton 42; the support bag body 41 is of a hollow annular structure; the support bag body 41 is made of flexible materials; the inner ring side wall and the outer ring side wall of the supporting bag body 41 are both corrugated structures; the support framework 42 is arranged in the support bag body 41; the upper end of the supporting framework 42 is connected with the side wall of the upper end of the supporting bag body 41; the lower end of the supporting framework 42 is connected with the side wall of the lower end of the supporting bag body 41; the support 4 is connected with the drill rod 2 through the connecting assembly 5; the connecting assembly 5 is used for realizing synchronous movement and rotation of the support 4 and the drill rod 2; a first connecting part 22 is arranged on the drill rod 2; the first connecting part 22 is arranged below the mounting plate 11; a first connecting pipe 43 is arranged at the upper end of the supporting bag body 41; the first connecting pipes 43 are uniformly spaced along the circumferential direction of the support bag 41; the first connecting pipe 43 is fixedly connected with the first connecting part 22; the first connecting pipe 43 is detachably connected with the first connecting part 22; one end of the first connecting pipe 43 is fixedly connected with the supporting bag 41; one end of the first connecting pipe 43 is communicated with the inner cavity of the supporting bag body 41; the other end of one connecting pipe 43 is communicated with the discharge end of the first pump body; the other end of the first connecting pipe 43 is communicated with the suction end of the second pump body; the other ends of the other first connecting pipes 43 are closed; a controller is fixedly connected to the frame 1; the first pump body is used for filling water into the inner cavity of the supporting bag body 41; the second pump body is used for pumping water in the inner cavity of the supporting bag body 41; the first pump body, the second pump body, the lifting component 12, the rotating component 13 and the connecting component 5 are all electrically connected with the controller.

During operation, a worker connects the support piece 4 on the drill rod 2 through the connecting component 5, the rotating component 13 and the lifting component 12 work through the controller, the rotating component 13 drives the drill rod 2 to rotate and then drives the drilling component 3 to rotate, meanwhile, the lifting component 12 drives the mounting plate 11 to move downwards and then drives the drill rod 2 and the drilling component 3 to move downwards and further drill holes, the mud pump enables mud to enter the second connecting pipe 71 while the drilling component 3 works, mud is enabled to enter an inner hole of the drill rod 2, mud is enabled to be discharged outwards through the discharge port 21, mud is enabled to enter a pile hole, the side wall of the pile hole is further protected, when the drilling component 3 passes through a macadam soil layer and moves to the lower side of the macadam soil layer, the upper end of the support piece 4 is located above the macadam soil layer, the lower end of the support piece 4 is located below the macadam soil layer, then, a worker makes the pump body I work (the lifting component 12, the rotating component 13 and the slurry pump all pause working while the pump body I works, so that the drill rod 2 is kept motionless), then fills water into the support bag body 41 through the connecting pipe I43, so as to increase the pressure in the support bag body 41, further expand the outer ring side wall of the support bag body 41 to the pile hole wall, further extrude the outer ring side wall of the support bag body 41 on the pile hole wall, further extrude the crushed stone soil layer (the outer ring side wall of the support bag body 41 has stronger toughness and cannot be pierced by crushed stone), then, the worker makes the connecting component 5 work through the controller, so that the support piece 4 is separated from the connecting component 5, after the support piece 4 is separated from the connecting component 5 (after the connecting component 5 is separated, the slurry water generates upward buoyancy to the support piece 4), thereby, the friction between the supporting bag body 41 and the wall of the pile hole, the gravity of water in the supporting bag body 41, the buoyancy born by the supporting piece 4 and the gravity of the supporting piece 4 are balanced, so that the supporting piece 4 is stable), and a worker continuously works the lifting component 12, the rotating component 13 and the slurry pump through the controller, so that the foundation is continuously drilled, and the punching work is completed; the outer ring side wall of the supporting bag body 41 extrudes the crushed stone soil layer, so that the probability of scattering or even collapsing of the crushed stone soil layer is reduced, and the normal punching operation is ensured; in the prior art, a conventional wall protection mode of drilling in a crushed stone soil layer adopts a pipe-following drilling method, wherein the pipe-following drilling method is to gradually lower a wall protection pipe to the bottom of the crushed stone soil layer in the drilling process to isolate crushed stone soil so as to prevent collapse; when the reinforcement cage is placed and concrete is poured, when the concrete reaches the bottom of the support piece 4, a worker works the second pump body through the controller, water in the support bag body 41 is sucked away, the pressure in the support bag body 41 is reduced, the outer ring side wall of the support bag body 41 is contracted towards one side of the support framework 42, the outer ring side wall of the support bag body 41 is separated from the hole wall, and then the first connecting pipe 43 is pulled upwards, so that the pile hole of the support piece 4 is pulled out, and the support piece 4 is removed; the support 4 may not be used when there is no gravel layer in the foundation.

As shown in fig. 5, 6, 12 and 13, the supporting framework 42 is a split structure; the supporting framework 42 comprises a first connecting plate 421, a first connecting piece 422 and a shearing mechanism 423; the first connecting piece 422 has a ring structure; the first connecting plate 421 has a ring structure; the first connecting pieces 422 are uniformly arranged at intervals up and down; a second connecting portion 4221 is provided on the first connecting member 422; the second connecting portions 4221 are uniformly spaced along the circumferential direction of the first connecting member 422; two connecting parts 4221 on two upper and lower adjacent connecting parts 422 are arranged at the same position; one end of each second connecting portion 4221 is fixedly connected with a first connecting shaft 424; the other ends of all the second connecting parts 4221 are slidably connected with a first sliding block 425; a second connecting shaft 426 is fixedly connected to the first sliding block 425; the two second connecting parts 4221 at the same position on the upper and lower adjacent first connecting pieces 422 are connected by the scissors mechanism 423; a supporting rod at the upper end of the scissors mechanism 423 is rotatably connected with the first connecting shaft 424 on the second connecting part 4221; the other support rod at the upper end of the scissors mechanism 423 is rotatably connected with the second connecting shaft 426 on the second connecting part 4221; a supporting rod at the lower end of the scissors mechanism 423 is rotatably connected with the first connecting shaft 424 on the second connecting part 4221 below; the other support rod at the lower end of the scissors mechanism 423 is rotatably connected with the second connecting shaft 426 on the second connecting part 4221 below; the first connecting plates 421 are arranged on the first connecting pieces 422 at the two ends; the first connecting plate 421 is fixedly connected with the first connecting member 422; a second sliding block 427 and a third connecting shaft 428 are respectively arranged on all the second connecting parts 4221 on the first connecting pieces 422 at two ends; the second sliding block 427 is slidably connected to the second connecting portion 4221; the second slider 427 is abutted against the first slider 425; the third connecting shaft 428 is provided on the second slider 427; the third connecting shaft 428 is rotatably connected with the first connecting plate 421; the third connecting shaft 428 is screwed with the second sliding block 427.

The thickness of its rubble soil layer is different among the different foundations, rotate all No. three connecting axles 428 this moment, and then drive all No. two sliding blocks 427 and remove, and then make No. two sliding blocks 427 break away from No. one sliding block 425, and then make No. one sliding block 425 and No. two connecting portions 4221 form sliding connection, and then upwards pull the upper end of supporting bag body 41, and then produce effort to scissors mechanism 423, and then make scissors mechanism 423 extend, and then increase the distance between two adjacent connecting pieces 422, and then increase the distance between two connecting plates 421, and then increase the height of supporting bag body 41, and then reverse rotation is all No. three connecting axles 428, and then make No. two sliding blocks 427 again contradict on No. one sliding block 425, and then make No. one sliding block 425 and No. two connecting portions 4221 form fixed connection, and then make the shape of supporting frame 42 keep fixed, and then make the shape of supporting piece 4 keep fixed, and then adjust the height of supporting piece 4 according to the thickness of rubble soil layer, and then satisfy the requirement of rubble soil layer of different thickness, and then carry out the applicable scope of supporting piece 4 and then improve the applicable range of protection device.

As shown in fig. 2, 5, 6, 7, 8, 10, 11, 14 and 15, the connection assembly 5 includes a first connection seat 51, a second connection seat 52, a first rotation shaft 53, a telescopic mechanism 54, a third connection member 55, a second rotation shaft 56, a first motor 57, a first rotation member 58, a third rotation shaft 59, a first fixing shaft 61, a first pulley 62, a first pull rope 63 and a first housing 64; the first connecting seat 51 is fixedly connected to the drill rod 2; the second connecting seat 52 is symmetrically arranged on the upper side and the lower side of the first connecting seat 51; the second connecting seat 52 is in sliding connection with the drill rod 2; a first threaded hole is formed in the second connecting seat 52; the first connecting seat 51 is rotatably connected with the first rotating shaft 53; two ends of the first rotating shaft 53 respectively pass through the first threaded holes of the upper and lower two second connecting seats 52; the first rotating shaft 53 is in threaded connection with the first threaded hole; the rotation directions of the thread structures at the two ends of the first rotating shaft 53 are opposite; the four side surfaces of the second connecting seat 52 are provided with the telescopic mechanisms 54; the telescopic mechanism 54 comprises a first fixed cylinder 541, a second sliding cylinder 542 and a third sliding piece 543; the first fixed cylinder 541 and the second sliding cylinder 542 are both in a cylindrical structure with open ends; one end of the first fixing cylinder 541, which is close to the second connecting seat 52, is fixedly connected with the second connecting seat 52; the first fixed cylinder 541 is connected to the side wall of the second connecting seat 52 in a sealing manner; a first limiting part 5411 is arranged at one end of the first fixing cylinder 541 away from the second connecting seat 52; the first limit portion 5411 is provided inside the first fixed cylinder 541; a second sliding portion 5421 is provided at one end of the second sliding cylinder 542 adjacent to the second connecting seat 52; the second sliding portion 5421 is provided outside the second sliding cylinder 542; a second limiting portion 5422 is provided at one end of the second sliding cylinder 542 away from the second connecting seat 52; the second limit portion 5422 is disposed inside the second sliding cylinder 542; a third sliding part 5431 is arranged at one end of the third sliding part 543 near the second connecting seat 52; a third connecting portion 5432 is provided at an end of the third slider 543 away from the second connecting seat 52; a first limit plate 544 is fixedly connected in the first fixed cylinder 541; a second limiting plate 545 is fixedly connected in the second sliding cylinder 542; the first fixed cylinder 541 is provided with the second sliding cylinder 542 at an end far away from the second connecting seat 52; the second sliding cylinders 542 are uniformly arranged at intervals; the inner hole of the second sliding cylinder 542 is gradually reduced; the two adjacent second sliding cylinders 542 are in sliding connection; one sliding cylinder 542 far away from the second connecting seat 52 in the two adjacent sliding cylinders 542 passes through the other sliding cylinder 542; the second sliding portion 5421 of one second sliding cylinder 542, which is far away from the second connecting seat 52, of the two adjacent second sliding cylinders 542 is slidably connected with the inner side wall of the other second sliding cylinder 542; the second sliding portion 5421 of one second sliding cylinder 542, which is far away from the second connecting seat 52, of the two adjacent second sliding cylinders 542 is connected with the inner side wall of the other second sliding cylinder 542 in a sealing manner; one of the second sliding cylinders 542 adjacent to the first fixed cylinder 541 passes through an inner hole of the first fixed cylinder 541; the second sliding portion 5421 of the second sliding cylinder 542 is slidably connected to the inner side wall of the first fixed cylinder 541; the second sliding portion 5421 of the second sliding cylinder 542 is connected with the inner side wall of the first fixed cylinder 541 in a sealing manner; the third slider 543 is disposed in the second sliding cylinder 542 farthest from the second connecting seat 52; the third sliding portion 5431 is slidably connected to the inner wall of the second sliding cylinder 542; the third sliding portion 5431 is connected with the inner wall of the second sliding cylinder 542 in a sealing manner; the third connecting piece 55 is arranged at the upper end and the lower end of the supporting piece 4; the third connecting pieces 55 are uniformly arranged at intervals along the circumferential direction of the supporting piece 4; one end of the third connecting member 55 is fixedly connected with the first connecting plate 421; the other end of the third connecting piece 55 is provided with a third connecting groove; the third connecting part 5432 is abutted against the third connecting groove; the four side surfaces of the first connecting seat 51 are respectively and rotatably connected with the second rotating shaft 56; the second rotating shafts 56 are connected through a first transmission mechanism; the first transmission mechanism is used for realizing synchronous rotation of all the second rotating shafts 56; the first motor 57 is fixedly connected to the first connecting seat 51; one of the second rotating shafts 56 is connected with the rotating shaft of the first motor 57 through a second transmission mechanism; the first rotating members 58 are fixedly connected to the middle parts of all the second rotating shafts 56; the cylindrical surface of the first rotating member 58 is provided with two first winding parts; the first winding part is arranged at intervals; the second rotating shaft 56 is provided with the third rotating shaft 59 at a side close to the first connecting seat 51; the third rotating shaft 59 is arranged at intervals up and down; the third rotating shaft 59 is rotatably connected with the first connecting seat 51; the first fixed shaft 61 is provided on the first fixed cylinder 541; the first fixed shaft 61 is rotatably connected with the first pulley 62; the first pull rope 63 is arranged on the first winding part; the first pull rope 63 is made of rubber material covered outside the steel wire rope; one end of the first pulling rope 63 is wound in the first winding part; the first pulling rope 63 passes through the space between the two third rotating shafts 59; the first pull rope 63 on the same side of the first connecting seat 51 bypasses above the first pulley 62 in the upper first fixed cylinder 541; the first pull rope 63 is fixedly connected with the third sliding part 543 corresponding to the first fixed cylinder 541; the first pull rope 63 on the same side of the first connecting seat 51 bypasses under the first pulley 62 in the lower first fixed cylinder 541; the first pull rope 63 is fixedly connected with the third sliding part 543 corresponding to the first fixed cylinder 541 below; the first connecting seat 51 is fixedly connected with the first shell 64 outside; the first shell 64 is of a split type structure; a first connecting structure is arranged at the joint of the first pull rope 63 and the first shell 64; the first pull rope 63 passes through the first connecting structure; the first pull rope 63 is in sealing connection with the first connecting structure; a second connecting structure is arranged at the joint of the first rotating shaft 53 and the first shell 64; the first rotating shaft 53 passes through the second connecting structure; the first rotating shaft 53 is in sealing connection with the second connecting structure; a first pipeline 546 and a second pipeline 547 are arranged on the first fixed cylinder 541; the first pipe 546 and the second pipe 547 are fixedly connected to the first fixing cylinder 541; the first pipe 546 and the second pipe 547 are both communicated with the inner hole of the first fixed cylinder 541; a valve 548 is fixedly connected to the first pipe 546; the valve 548 is a one-way valve; a second valve 549 is fixedly connected to the second pipeline 547; the second valve 549 is a one-way valve; the motor 57 is electrically connected to the controller.

After the height adjustment of the support piece 4 is completed, a worker uses an external high-pressure water gun to fill water into the inner hole of the first fixed cylinder 541 through the first pipeline 546 (the first valve 548 and the second valve 549 are one-way valves, the first valve 548 can only enable water to flow into the first fixed cylinder 541 through the first pipeline 546, the second valve 549 can only enable water in the first fixed cylinder 541 to flow outwards through the second pipeline 547), water pressure in the first fixed cylinder 541 is further increased, the size of the second sliding cylinder 542 is sequentially reduced, the contact area between the second sliding part 5421 on the first sliding cylinder 542 and the inner wall of the first second sliding cylinder 542 is sequentially reduced, the sliding resistance of the second sliding part 5421 is sequentially reduced, the sliding resistance of the second sliding cylinder 542 is sequentially reduced, the third sliding part 5431 slides in the second sliding cylinder 542, the contact area between the third sliding part 5431 and the inner wall of the second sliding cylinder 542 is the smallest, the third sliding part 5431 is enabled to be enabled to slide outwards, the third sliding part 5431 is enabled to be enabled to abut against the third sliding part and the third sliding part is enabled to be connected with the third sliding part 542, and the third sliding part is enabled to be fixedly connected with the third sliding part and the third sliding part is enabled to be further fixedly connected with the third sliding part 542 through the third sliding part and the third sliding part 542, and the third sliding part is further fixedly connected with the third sliding part 542 is fixedly arranged inside the third sliding part and the third sliding part is further fixedly arranged inside the outside the second sliding part is opposite to the first sliding part 542; when water is filled into the first fixed cylinder 541, the controller rotates the first motor 57, so as to drive all the second connecting shafts 426 to rotate, so as to drive all the first rotating members 58 to rotate, so as to loosen the first pull rope 63, and further enable the first pull rope 63 to move along with the third sliding member 543; after the outer ring side wall of the supporting bag body 41 is extruded on the pile hole wall, the controller reversely rotates the first motor 57, so that the first rotating piece 58 reversely rotates, the first pull rope 63 is wound, the third sliding piece 543 is pulled, the third sliding piece 543 moves towards the farthest second sliding barrel 542, when the third sliding piece 543 is abutted against the second limiting plate 545 on the farthest second sliding barrel 542, the third sliding piece 543 drives the second sliding barrel 542 to move towards the adjacent second sliding barrel 542, the second sliding barrel 542 is sequentially retracted, the telescopic mechanism 54 is retracted, the third connecting portion 5432 is separated from the third connecting groove, and the supporting piece 4 is separated from the connecting assembly 5; the staff rotates the axis of rotation 53, and then drives two upper and lower mount pad 81 and removes simultaneously, and then adjusts the distance between two upper and lower connecting seat 52, and then adjusts the distance between three slider 543 on two upper and lower connecting seat 52, and then can fix different high support piece 4 on drilling rod 2.

As shown in fig. 2, 3, 5 and 9, the drilling assembly 3 includes a fourth slider 31, a fourth rotation shaft 32, a fourth motor 33, a first mount 34, a fourth cutter 35 and a fourth swing member 36; the lower end of the drill rod 2 is provided with the fourth sliding part 31, the fourth rotating shaft 32 and the fourth motor 33; the fourth sliding piece 31 is in sliding connection with the drill rod 2; the fourth rotating shaft 32 is rotatably connected with the drill rod 2; the fourth rotating shaft 32 passes through the threaded hole of the fourth sliding member 31; the fourth rotating shaft 32 is in threaded connection with the fourth sliding member 31; the fourth motor 33 is fixedly connected with the drill rod 2; the rotating shaft of the fourth motor 33 is fixedly connected with the fourth rotating shaft 32; the lower end of the drill rod 2 is fixedly connected with the first mounting seat 34; a first cutting part 341 is arranged at the lower end of the first mounting seat 34; the first cutting portions 341 are uniformly spaced along the circumferential direction of the first mounting seat 34; the fourth cutting element 35 is disposed above the first cutting portion 341; the fourth cutting element 35 corresponds to the first cutting portion 341 one by one; a first hinge 351 is provided at the lower end of the fourth cutting member 35; the first hinge part 351 is rotatably connected with the first mounting seat 34; a second hinge portion 352 is provided at the upper end of the fourth cutting member 35; a fourth hinge part 311 is arranged on the fourth sliding part 31; the fourth hinge parts 311 are in one-to-one correspondence with the second hinge parts 352; the second hinge portion 352 and the fourth hinge portion 311 are connected by the fourth swinging member 36; two ends of the fourth swinging member 36 are respectively rotatably connected with the second hinge portion 352 and the fourth hinge portion 311; the fourth motor 33 is electrically connected to the controller.

When the drilling assembly 3 is required to be lifted out of a pile hole, a worker rotates the motor No. four 33 through the controller, drives the rotating shaft No. four 32 to rotate, drives the sliding piece No. four 31 to move upwards, drives the swinging piece No. four 36 to swing, and enables the cutting piece No. four 35 to rotate upwards, and when the cutting piece No. four 35 rotates to a vertical position, the controller stops rotating the motor No. four 33, and the cutting piece No. four 35 abuts against the mounting seat No. one 34, so that the occupied space of the drilling assembly 3 is reduced, the drilling assembly 3 is conveniently moved upwards through the supporting piece 4, the drilling assembly 3 is conveniently lifted out of the pile hole, and convenience of construction equipment is improved; after the drilling assembly 3 is inspected and maintained, when the drilling assembly is moved to the bottom of the pile hole and needs to drill again, the worker reversely rotates the fourth motor 33 by controlling, so that the fourth cutting element 35 rotates downwards, the fourth cutting element 35 is abutted against the end part of the first cutting part 341, and the drilling assembly 3 is enabled to work continuously.

As shown in fig. 16 and 17, the lower end of the supporting member 4 is fixedly connected with a second mounting seat 81; a second mounting groove is formed in the second mounting seat 81; a second connecting rod 82 is slidably connected in the second mounting groove; the lower end of the second connecting rod 82 is fixedly connected with a second floating piece 83; the upper bottom surface of the second mounting groove is fixedly connected with a pressure sensor 84; the upper end of the second connecting rod 82 abuts against the pressure sensor 84; an alarm is fixedly connected to the frame 1; the pressure sensor 84 and the alarm are both electrically connected to the controller.

When concrete placement is to the bottom of No. two floating members 83, the concrete produces ascending thrust to No. two floating members 83, and then the pressure that pressure sensor 84 received increases, make No. two pump bodies work after the controller received the signal of pressure increase, and then pump the water in the support bag body 41, simultaneously send out the alarm through the alarm, thereby the staff stops pouring concrete temporarily, wait to continue pouring concrete after support member 4 shifts out from the stake hole, grasp the time of demolishing support member 4 through pressure sensor 84 and alarm, and then avoid prematurely or too late demolishing support member 4.

As shown in fig. 4, a second frame 431 is disposed in the side wall of the first connecting pipe 43; the second skeleton 431 includes a connection ring 4311 and a connection bar 4312; the connection rings 4311 are uniformly arranged at intervals along the length direction of the first connection pipe 43; the connection bars 4312 are uniformly spaced along the circumferential direction of the first connection tube 43; the connecting strip 4312 and the connecting ring 4311 are welded together; the second skeleton 431 is cast with the side wall of the first connecting pipe 43; the first connection pipe 43 is bendable.

Through setting up No. two skeletons 431, and then reduce the probability that No. one connecting pipe 43 warp, and then reduce the probability that No. one connecting pipe 43 becomes flat when sucking to the water in the support bag body 41, and then reduce the probability that No. one connecting pipe 43 becomes flat and hinder the suction, and then improve the suction effect to the water in the support bag body 41, and then improve the reliability of support bag body 41 outer lane lateral wall shrink, and then improve the reliability of support piece 4.

As shown in fig. 5, 6, 16 and 17, the wall thickness of the outer ring side wall of the support capsule 41 is smaller than the wall thickness of the inner ring side wall; the inner ring side wall of the support capsule 41 is not easy to expand.

The wall thickness of the outer ring side wall of the supporting bag body 41 is smaller than that of the inner ring side wall, the inner ring side wall of the supporting bag body 41 is not easy to expand, the outer ring side wall is further expanded towards the pile hole wall when water is filled, the protection effect of the outer ring side wall on the pile hole wall is further guaranteed, the protection effect of the supporting piece 4 on the pile hole wall is further guaranteed, and the reliability of the supporting piece 4 is further improved.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims (7)

1. The foundation pile perforating construction equipment is characterized in that: comprises a frame (1), a drill rod (2), a drilling assembly (3), a supporting piece (4) and a connecting assembly (5); the frame (1) is connected with a mounting plate (11) in a sliding manner; the mounting plate (11) slides up and down; the frame (1) is connected with the mounting plate (11) through a lifting assembly (12); the lifting assembly (12) is used for realizing up-and-down movement of the mounting plate (11); the mounting plate (11) is rotationally connected with the drill rod (2); the upper end of the drill rod (2) is rotationally connected with the mounting plate (11); the lower end of the drill rod (2) is connected with the drilling assembly (3); the drilling assembly (3) is used for punching; the drill rod (2) is connected with the mounting plate (11) through a rotating assembly (13); the rotating assembly (13) is used for realizing the rotation of the drill rod (2); the upper end of the drill rod (2) is provided with a second connecting pipe (71); one end of the second connecting pipe (71) is rotationally connected with the upper end of the drill rod (2); the second connecting pipe (71) is communicated with an inner hole of the drill rod (2); the lower end of the drill rod (2) is provided with a discharge outlet (21); the exhaust ports (21) are uniformly arranged at intervals; the other end of the second connecting pipe (71) is communicated with an outlet of the slurry pump; -said support (4) is arranged above said drilling assembly (3); the support piece (4) is of an annular structure; the supporting piece (4) is of a split type structure; the support (4) comprises a support capsule (41) and a support framework (42); the supporting bag body (41) is of a hollow annular structure; the support bag body (41) is made of flexible materials; the inner ring side wall and the outer ring side wall of the supporting bag body (41) are of corrugated structures; the support framework (42) is arranged in the support bag body (41); the upper end of the supporting framework (42) is connected with the side wall of the upper end of the supporting bag body (41); the lower end of the supporting framework (42) is connected with the side wall of the lower end of the supporting bag body (41); the support piece (4) is connected with the drill rod (2) through the connecting component (5); the connecting assembly (5) is used for realizing synchronous movement and rotation of the support piece (4) and the drill rod (2); a first connecting part (22) is arranged on the drill rod (2); the first connecting part (22) is arranged below the mounting plate (11); the upper end of the supporting bag body (41) is provided with a first connecting pipe (43); the first connecting pipes (43) are uniformly arranged at intervals along the circumferential direction of the supporting bag body (41); the first connecting pipe (43) is fixedly connected with the first connecting part (22); the first connecting pipe (43) is detachably connected with the first connecting part (22); one end of the first connecting pipe (43) is fixedly connected with the supporting bag body (41); one end of the first connecting pipe (43) is communicated with the inner cavity of the supporting bag body (41); the other end of one connecting pipe (43) is communicated with the discharge end of the pump body I; the other end of the first connecting pipe (43) is communicated with the suction end of the second pump body; the other ends of the other connecting pipes (43) are closed; a controller is fixedly connected to the frame (1); the first pump body is used for filling water into the inner cavity of the supporting bag body (41); the second pump body is used for pumping water in the inner cavity of the supporting bag body (41); the first pump body, the second pump body, the lifting component (12), the rotating component (13) and the connecting component (5) are electrically connected with the controller.

2. A foundation pile perforating apparatus as defined in claim 1, wherein: the supporting framework (42) is of a split type structure; the supporting framework (42) comprises a first connecting plate (421), a first connecting piece (422) and a shearing fork mechanism (423); the first connecting piece (422) is of an annular structure; the first connecting plate (421) is of an annular structure; the first connecting pieces (422) are uniformly arranged at intervals up and down; a second connecting part (4221) is arranged on the first connecting piece (422); the second connecting parts (4221) are uniformly arranged at intervals along the circumferential direction of the first connecting piece (422); two connecting parts (4221) on two upper and lower adjacent first connecting pieces (422) are arranged at the same position; one end of each second connecting part (4221) is fixedly connected with a first connecting shaft (424); the other ends of all the second connecting parts (4221) are connected with a first sliding block (425) in a sliding way; a second connecting shaft (426) is fixedly connected to the first sliding block (425); two second connecting parts (4221) on the same position on the upper and lower adjacent first connecting parts (422) are connected through the shearing fork mechanism (423); a supporting rod at the upper end of the shearing fork mechanism (423) is rotationally connected with the first connecting shaft (424) on the second connecting part (4221) above; the other support rod at the upper end of the shearing fork mechanism (423) is rotationally connected with the second connecting shaft (426) on the second connecting part (4221) above; a supporting rod at the lower end of the shearing fork mechanism (423) is rotationally connected with the first connecting shaft (424) on the lower second connecting part (4221); the other support rod at the lower end of the shearing fork mechanism (423) is rotationally connected with the second connecting shaft (426) on the lower second connecting part (4221); the first connecting plates (421) are arranged on the first connecting pieces (422) at two ends; the first connecting plate (421) is fixedly connected with the first connecting piece (422); a second sliding block (427) and a third connecting shaft (428) are arranged on all the second connecting parts (4221) on the first connecting pieces (422) at two ends; the second sliding block (427) is in sliding connection with the second connecting part (4221); the second sliding block (427) is abutted against the first sliding block (425); the third connecting shaft (428) is arranged on the second sliding block (427); the third connecting shaft (428) is rotationally connected with the first connecting plate (421); and the third connecting shaft (428) is in threaded connection with the second sliding block (427).

3. A foundation pile perforating apparatus as defined in claim 2, wherein: the connecting assembly (5) comprises a first connecting seat (51), a second connecting seat (52), a first rotating shaft (53), a telescopic mechanism (54), a third connecting piece (55), a second rotating shaft (56), a first motor (57), a first rotating piece (58), a third rotating shaft (59), a first fixing shaft (61), a first pulley (62), a first pull rope (63) and a first shell (64); the first connecting seat (51) is fixedly connected to the drill rod (2); the second connecting seat (52) is symmetrically arranged on the upper side and the lower side of the first connecting seat (51); the second connecting seat (52) is in sliding connection with the drill rod (2); a first threaded hole is formed in the second connecting seat (52); the first connecting seat (51) is rotationally connected with the first rotating shaft (53); two ends of the first rotating shaft (53) respectively penetrate through the first threaded holes of the upper and lower second connecting seats (52); the first rotating shaft (53) is in threaded connection with the first threaded hole; the rotation directions of thread structures at two ends of the first rotating shaft (53) are opposite; the four side surfaces of the second connecting seat (52) are provided with the telescopic mechanisms (54); the telescopic mechanism (54) comprises a first fixed cylinder (541), a second sliding cylinder (542) and a third sliding piece (543); the first fixed cylinder (541) and the second sliding cylinder (542) are both in a cylindrical structure with two open ends; one end of the first fixing cylinder (541) close to the second connecting seat (52) is fixedly connected with the second connecting seat (52); the first fixed cylinder (541) is in sealing connection with the side wall of the second connecting seat (52); one end of the first fixing cylinder (541) far away from the second connecting seat (52) is provided with a first limiting part (5411); the first limiting part (5411) is arranged on the inner side of the first fixed cylinder (541); a second sliding part (5421) is arranged at one end of the second sliding cylinder (542) close to the second connecting seat (52); the second sliding part (5421) is arranged outside the second sliding cylinder (542); a second limiting part (5422) is arranged at one end of the second sliding cylinder (542) far away from the second connecting seat (52); the second limiting part (5422) is arranged on the inner side of the second sliding cylinder (542); a third sliding part (5431) is arranged at one end of the third sliding part (543) close to the second connecting seat (52); one end of the third sliding piece (543) far away from the second connecting seat (52) is provided with a third connecting part (5432); a first limiting plate (544) is fixedly connected in the first fixing cylinder (541); a second limiting plate (545) is fixedly connected in the second sliding cylinder (542); one end of the first fixed cylinder (541) far away from the second connecting seat (52) is provided with the second sliding cylinder (542); the second sliding cylinders (542) are uniformly arranged at intervals; the inner hole of the second sliding cylinder (542) is gradually reduced; the two adjacent second sliding cylinders (542) are connected in a sliding way; one sliding cylinder (542) far away from the second connecting seat (52) in the two adjacent sliding cylinders (542) passes through the other sliding cylinder (542); the second sliding part (5421) of one second sliding cylinder (542) far away from the second connecting seat (52) in the two adjacent second sliding cylinders (542) is in sliding connection with the inner side wall of the other second sliding cylinder (542); the second sliding part (5421) of one second sliding cylinder (542) far away from the second connecting seat (52) in the two adjacent second sliding cylinders (542) is in sealing connection with the inner side wall of the other second sliding cylinder (542); one second sliding cylinder (542) close to the first fixed cylinder (541) passes through an inner hole of the first fixed cylinder (541); the second sliding part (5421) on the second sliding cylinder (542) is in sliding connection with the inner side wall of the first fixed cylinder (541); the second sliding part (5421) on the second sliding cylinder (542) is in sealing connection with the inner side wall of the first fixed cylinder (541); the third sliding piece (543) is arranged in the second sliding cylinder (542) farthest from the second connecting seat (52); the third sliding part (5431) is in sliding connection with the inner wall of the second sliding cylinder (542); the third sliding part (5431) is in sealing connection with the inner wall of the second sliding cylinder (542); the upper end and the lower end of the supporting piece (4) are respectively provided with the third connecting piece (55); the third connecting pieces (55) are uniformly arranged at intervals along the circumferential direction of the supporting piece (4); one end of the third connecting piece (55) is fixedly connected with the first connecting plate (421); the other end of the third connecting piece (55) is provided with a third connecting groove; the third connecting part (5432) is abutted in the third connecting groove; the four side surfaces of the first connecting seat (51) are respectively and rotatably connected with the second rotating shaft (56); the second rotating shafts (56) are connected through a first transmission mechanism; the first transmission mechanism is used for realizing synchronous rotation of all the second rotating shafts (56); the first motor (57) is fixedly connected to the first connecting seat (51); one of the second rotating shafts (56) is connected with the rotating shaft of the first motor (57) through a second transmission mechanism; the middle parts of all the second rotating shafts (56) are fixedly connected with the first rotating parts (58); the cylindrical surface of the first rotating piece (58) is provided with two first winding parts; the first winding part is arranged at intervals; the second rotating shaft (56) is close to one side of the first connecting seat (51) and is provided with the third rotating shaft (59); the third rotating shafts (59) are arranged at intervals up and down; the third rotating shaft (59) is rotationally connected with the first connecting seat (51); the first fixed shaft (61) is arranged on the first fixed cylinder (541); the first fixed shaft (61) is rotationally connected with the first pulley (62); the first pull rope (63) is arranged on the first winding part; the first pull rope (63) is made of rubber materials coated outside the steel wire rope; one end of the first stay cord (63) is wound in the first winding part; the first stay cord (63) passes through the space between the two third rotating shafts (59); one first pull rope (63) on the same side of the first connecting seat (51) bypasses above the first pulley (62) in the upper first fixed cylinder (541); the first pull rope (63) is fixedly connected with the third sliding part (543) corresponding to the first fixed cylinder (541) above; the other first pull rope (63) on the same side of the first connecting seat (51) bypasses under the first pulley (62) in the lower first fixed cylinder (541); the first pull rope (63) is fixedly connected with the third sliding part (543) corresponding to the first fixing cylinder (541) below; the first connecting seat (51) is fixedly connected with the first shell (64) outside; the first shell (64) is of a split type structure; a first connecting structure is arranged at the joint of the first pull rope (63) and the first shell (64); the first pull rope (63) passes through the first connecting structure; the first stay cord (63) is connected with the first connecting structure in a sealing way; a second connecting structure is arranged at the joint of the first rotating shaft (53) and the first shell (64); the first rotating shaft (53) passes through the second connecting structure; the first rotating shaft (53) is connected with the second connecting structure in a sealing way; a first pipeline (546) and a second pipeline (547) are arranged on the first fixed cylinder (541); the first pipeline (546) and the second pipeline (547) are fixedly connected with the first fixed cylinder (541); the first pipeline (546) and the second pipeline (547) are communicated with the inner hole of the first fixed cylinder (541); a valve (548) is fixedly connected to the first pipeline (546); the valve number one (548) is a one-way valve; a valve II (549) is fixedly connected to the pipeline II (547); the second valve (549) is a one-way valve; the motor (57) is electrically connected with the controller.

4. A foundation pile perforating apparatus as defined in claim 3, wherein: the drilling assembly (3) comprises a fourth sliding part (31), a fourth rotating shaft (32), a fourth motor (33), a first mounting seat (34), a fourth cutting part (35) and a fourth swinging part (36); the lower end of the drill rod (2) is provided with the fourth sliding part (31), the fourth rotating shaft (32) and the fourth motor (33); the fourth sliding piece (31) is in sliding connection with the drill rod (2); the fourth rotating shaft (32) is rotationally connected with the drill rod (2); the fourth rotating shaft (32) passes through the threaded hole of the fourth sliding piece (31); the fourth rotating shaft (32) is in threaded connection with the fourth sliding piece (31); the fourth motor (33) is fixedly connected with the drill rod (2); the rotating shaft of the fourth motor (33) is fixedly connected with the fourth rotating shaft (32); the lower end of the drill rod (2) is fixedly connected with the first mounting seat (34); a first cutting part (341) is arranged at the lower end of the first mounting seat (34); the first cutting parts (341) are uniformly arranged at intervals along the circumferential direction of the first mounting seat (34); the fourth cutting element (35) is arranged above the first cutting part (341); the fourth cutting elements (35) are in one-to-one correspondence with the first cutting parts (341); the lower end of the fourth cutting element (35) is provided with a first hinge part (351); the first hinge part (351) is rotationally connected with the first mounting seat (34); a second hinge part (352) is arranged at the upper end of the fourth cutting element (35); a fourth hinge part (311) is arranged on the fourth sliding part (31); the fourth hinging parts (311) are in one-to-one correspondence with the second hinging parts (352); the second hinge part (352) and the fourth hinge part (311) in pairs are connected through the fourth swinging piece (36); two ends of the fourth swinging piece (36) are respectively connected with the second hinging part (352) and the fourth hinging part (311) in a rotating way; and the fourth motor (33) is electrically connected with the controller.

5. A foundation pile perforating apparatus as defined in claim 4, wherein: the lower end of the supporting piece (4) is fixedly connected with a second mounting seat (81); a second mounting groove is formed in the second mounting seat (81); a second connecting rod (82) is connected in a sliding way in the second mounting groove; the lower end of the second connecting rod (82) is fixedly connected with a second floating piece (83); a pressure sensor (84) is fixedly connected to the upper bottom surface of the second mounting groove; the upper end of the second connecting rod (82) is abutted against the pressure sensor (84); an alarm is fixedly connected to the frame (1); the pressure sensor (84) and the alarm are electrically connected with the controller.

6. A foundation pile perforating apparatus as defined in claim 5, wherein: a second framework (431) is arranged in the side wall of the first connecting pipe (43); the second framework (431) comprises a connecting ring (4311) and a connecting strip (4312); the connecting rings (4311) are uniformly arranged at intervals along the length direction of the first connecting pipe (43); the connecting strips (4312) are uniformly arranged at intervals along the circumferential direction of the first connecting pipe (43); the connecting strip (4312) is welded with the connecting ring (4311); the second framework (431) and the side wall of the first connecting pipe (43) are cast together; the first connecting pipe (43) is bendable.

7. A foundation pile perforating apparatus as defined in claim 6, wherein: the wall thickness of the outer ring side wall of the supporting bag body (41) is smaller than that of the inner ring side wall; the side wall of the inner ring of the supporting bag body (41) is not easy to expand.