CN117722124A

CN117722124A - Drilling exploitation equipment of engineering driller

Info

Publication number: CN117722124A
Application number: CN202311743839.XA
Authority: CN
Inventors: 王军; 王晓东
Original assignee: Baoji Northwest Petroleum Machinery Co ltd
Current assignee: Baoji Northwest Petroleum Machinery Co ltd
Priority date: 2023-12-18
Filing date: 2023-12-18
Publication date: 2024-03-19

Abstract

The invention discloses a drilling and exploitation device of an engineering driller, which comprises a fixed support arranged on the surface of a hole to be drilled, wherein a drilling unit is arranged on the fixed support, the drilling unit comprises a plurality of hydraulic cylinders, a power unit and a drilling tool, the output end of each hydraulic cylinder extends to the upper part of the fixed support and is connected with the bottom end of a top plate, the power unit is arranged at the top end of the top plate, the output end of the power unit penetrates through the bottom end of the top plate and is provided with the drilling tool for driving the drilling tool to rotate to perform drilling construction on the surface of the hole to be drilled, and the power unit and the drilling tool are sent towards the inner side of the hole together through the retraction of the hydraulic cylinders, wherein the drilling tool comprises a discharge nipple, a plurality of feeding nipples and a drill bit, and the conventional long spiral drilling rod structure is designed into a plurality of feeding nipples, so that the drilling tool with corresponding height can be assembled on site, the transportation is facilitated, the transportation cost is reduced, and the drilling tool with corresponding height can be assembled according to the construction requirements.

Description

Drilling exploitation equipment of engineering driller

Technical Field

The invention relates to drilling exploitation equipment of an engineering driller, and belongs to the technical field of drilling equipment.

Background

At present, in the foundation pile hole construction process of various building operations such as building, electric power, traffic and the like, a long spiral drilling machine structure is generally adopted for drilling construction, the existing long spiral drilling machine comprises a travelling mechanism and a workbench arranged on the travelling mechanism, a mast and a lifting winch are arranged on the workbench along the front-back direction, the mast comprises a rod body, a diagonal bracing for supporting is connected between the rod body and the workbench, a reversing pulley block is assembled at the top end of the rod body, a guide sliding rail is fixedly connected with the front side of the rod body along the extending direction of the rod body, a power head is assembled on the guide sliding rail in a guide sliding manner, a power output end is wound on the lifting winch in a winding manner after being changed by the reversing pulley block, and then the power output end is wound on the front side of the mast and extends downwards to be in transmission connection with the power head, a drill rod is connected to the power head in a transmission manner, and the lower end of the drill rod is fixedly connected with a drill bit. However, the drilling depth of the long auger structure depends on the length of the drill rod, which depends on the length of the mast, so in order to increase the effective drilling depth of the long auger, the length of the mast is often required to be very long, but the length of the mast is too long, which results in extremely inconvenient transportation, such as requiring a large transportation tool adapted to the long auger to ensure the transportation stability of the long auger, and the transportation cost is quite high.

Disclosure of Invention

Accordingly, the present invention is directed to a drilling and exploitation device of an engineering driller, which solves the technical problems mentioned in the prior art.

An engineering driller drilling and exploitation device, comprising a fixed support installed on the surface of a hole to be drilled, wherein a drilling unit is installed on the fixed support, and the drilling unit comprises:

the hydraulic cylinders are arranged in a plurality, the hydraulic cylinders are embedded and installed in the fixed support, and the output end of each hydraulic cylinder extends to the upper side of the fixed support and is connected with the bottom end of the top plate;

the power unit, the power unit is installed the top of roof, just the output of power unit runs through the bottom of roof and installs the drilling tool, be used for the drive the drilling tool rotates to wait to bore the drilling construction is carried out on the borehole surface, and will through the pneumatic cylinder withdrawal the power unit with the drilling tool is together sent into towards the borehole inboard, wherein, the drilling tool includes:

the discharging nipple comprises a discharging cylinder and a first spiral drill rod, the discharging cylinder is arranged at the bottom end of the top plate, the first spiral drill rod is arranged in the discharging cylinder, the outer side wall of the first spiral drill rod is rotationally connected with the inner side wall of the discharging cylinder, the top end of the first spiral drill rod extends to the upper side of the discharging cylinder and is connected with the output end of the power unit, and a discharging port is formed in the side wall of the discharging cylinder;

the feeding short sections are sequentially overlapped and mounted below the discharging short sections along the vertical direction, a drill bit is mounted at one end of the feeding short section, which is far away from one side of the discharging short sections, the feeding short sections comprise feeding cylinders and second auger pipes, two adjacent opposite surfaces of the feeding cylinders and the discharging cylinders are respectively detachably connected through fixing assemblies, the second auger pipes are mounted in the feeding cylinders, the outer side walls of the second auger pipes are rotationally connected with the inner side walls of the feeding cylinders, and two adjacent ends of the second auger pipes and the adjacent ends of the second auger pipes, the first auger pipes and the drill bit are respectively connected;

the drill bit is used for conveying soil generated in the drilling construction process in the stratum into the feeding cylinder, and then conveying the soil into the discharging cylinder through the second spiral drill rod and the first spiral drill rod, and discharging the soil from the discharging port.

Optionally, the drill bit comprises:

the rotary disc, one end of the rotary disc is connected with the feeding cylinder through a rotary piece, the other end of the rotary disc is provided with a conical reaming table, one end of the rotary disc is provided with a discharge hole along the central axis, the discharge hole is mutually overlapped with the central axis of the feeding cylinder, and the diameter of the discharge hole is the same as the diameter of the inner ring of the feeding cylinder;

the third spiral drill rod is arranged in the discharge hole, one end of the third spiral drill rod is connected with the second spiral drill rod, and the other end of the third spiral drill rod penetrates through the conical reaming table and extends to the outer side of the conical reaming table to be provided with a drilling part;

the conical bulges are arranged side by side along the central axis direction of the conical reaming bench, each conical bulge is uniformly distributed on the outer surface of the conical reaming bench along a ring shape, and two adjacent conical bulges are alternately arranged to compensate for gaps among the conical bulges.

Optionally, the fixing assembly includes:

the arc grooves are annularly arranged on the outer side wall of one end of the feeding barrel, and a threaded blind hole is formed in the inner side wall of each arc groove;

the arc plates are arranged at one end of the discharge cylinder or the feeding cylinder, each arc plate is inserted into the corresponding arc groove, a countersunk bolt hole is formed in the outer side wall of each arc plate, and the central axis of each countersunk bolt hole is mutually overlapped with the central axis of the corresponding threaded blind hole;

and one end of a screw rod of the fastening bolt penetrates through the countersunk head bolt hole to be connected with the threaded blind hole.

Optionally, the rotating member includes the annular setting one of them the hemisphere spout on the feeding cylinder one end lateral wall, and slide and set up a plurality of connecting pieces in the hemisphere spout, a plurality of the connecting piece is followed the center pin wire loop direction of rotating disk is installed on the rotating disk, wherein, the connecting piece includes:

the strip-shaped sliding groove is arranged on the end face of the rotating disc;

the bottom of the supporting plate is slidably arranged in the strip-shaped chute, one side of the top of the supporting plate is provided with a hemispherical sliding block, and the hemispherical sliding block is arranged in the hemispherical chute;

the fixed block is arranged on the rotating disc, and the fixed block and the hemispherical sliding block are positioned on two opposite sides of the supporting plate;

the adjusting screw is arranged on one side of the fixed block, one end of the adjusting screw penetrates through the fixed block and is connected with the supporting plate, and the outer surface of the adjusting screw is in threaded connection with the inner side wall of the fixed block.

Optionally, the both ends of second auger stem have cup jointed the swivel becket respectively, the lateral wall of swivel becket pass through the curb plate with the inside wall of feed cylinder is connected.

Optionally, the first auger stem is close to the one end of second auger stem and one of them end of second auger stem is provided with the polygon grafting piece respectively, the third auger stem is close to the one end of second auger stem and the remaining one end of second auger stem has seted up the polygon slot respectively for with the polygon grafting piece is pegged graft in the polygon slot.

Optionally, the fixing support comprises a fixing plate and two groups of bases, the two groups of bases are symmetrically arranged below the fixing plate, four supporting columns are arranged between opposite surfaces of the fixing plate and the two groups of bases, and the four supporting columns are respectively positioned at four corners of the fixing plate;

the hydraulic cylinder is arranged on the base, and the output end of the hydraulic cylinder penetrates through the top end of the fixed plate;

the fixing plate is provided with a through hole for penetrating the feeding cylinder.

Optionally, the distance between the two sets of opposite faces of the base is greater than the diameter of the rotating disc, and a protection plate is installed between the two sets of opposite faces of the base.

Optionally, the protection plate comprises two cover plates, semicircular grooves are respectively arranged between opposite surfaces of the two cover plates, and the two cover plates are covered together to form a round hole for penetrating the feeding cylinder;

the side wall of the base is provided with a strip-shaped through groove, and the cover plate is slidably arranged in the strip-shaped through groove;

and a lock catch is arranged on one side of the opposite surfaces of the two cover plates, and a door lock is arranged on the lock catch.

Optionally, a discharging pipe is installed at the discharging hole, and the discharging pipe is obliquely downwards arranged and used for conveying soil discharged from the discharging hole into the transport vehicle.

The invention has the beneficial effects that:

1) According to the drilling exploitation equipment of the engineering driller, the conventional long spiral drill rod structure is designed into the feeding pup joint, so that the equipment can be assembled on site on a construction site, is convenient to transport, reduces the transportation cost, and can be assembled into drilling tools with corresponding heights for drilling construction according to construction requirements, so that the equipment can be suitable for different construction sites.

2) Compared with the traditional spiral drilling machine, the engineering drilling machine well drilling exploitation equipment provided by the invention has the advantages that after the spiral drilling rod is not required to be taken out of the well hole, the spiral drilling rod is reversely rotated to separate soil from the spiral drilling rod so as to discharge the soil in the well hole, so that part of the soil is conveyed upwards through the first spiral drilling rod and the second spiral drilling rod in the drilling process of the drill bit, the drill bit can be ensured to discharge the soil while drilling, and therefore, the spiral drilling rod is not required to be taken out of the well hole to discharge the soil in a reciprocating manner in the drilling process, the construction efficiency can be improved, and the drilling precision is ensured; meanwhile, the discharging pipe is installed at the discharging hole, and is obliquely arranged downwards, so that soil discharged from the discharging hole can be directly conveyed into the transport vehicle, and therefore loading and transporting of the soil are not needed by using other auxiliary tools after drilling construction, and the construction cost can be reduced.

Drawings

FIG. 1 is a schematic diagram of a construction of an engineering driller drilling and exploitation device in a drilling and exploitation state;

FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a perspective view of the discharge barrel, feed barrel and drill bit of FIG. 1 of the present invention;

FIG. 4 is a schematic view of the structure of the fixing support of FIG. 1 according to the present invention;

in the figure: 1. the hydraulic cylinder, 2, the top plate, 3, the power unit, 4, the discharge cylinder, 5, the first spiral drilling rod, 6, the discharge port, 7, the feed cylinder, 8, the second spiral drilling rod, 9, the rotating disc, 10, the conical reaming bench, 11, the discharge hole, 12, the third spiral drilling rod, 13, the conical bulge, 14, the arc-shaped groove, 15, the arc-shaped plate, 16, the fastening bolt, 17, the hemispherical sliding groove, 18, the strip-shaped sliding groove, 19, the supporting plate, 20, the fixed block, 21, the adjusting screw, 22, the rotating ring, 23, the side plate, 24, the polygonal inserting block, 25, the polygonal inserting groove, 26, the fixed plate, 27, the base, 28, the supporting upright post, 29, the through hole, 30, the cover plate, 31, the semicircular groove, 32, the strip-shaped through groove, 33, the door lock, 34, the discharge pipe, 35, the rotating piece, 36, the hemispherical sliding block, 37, the bearing, 38, the upper pressing ring, 39, the lower pressing ring, 40, the sealing ring, 41 and the drill bit.

Detailed Description

The present invention is described in detail below with reference to examples, but the present invention is not limited to these examples.

As shown in fig. 1 to 4, the present invention provides a drilling and exploitation device of an engineering driller, which comprises a fixed support installed on the surface of a hole to be drilled, wherein a drilling unit is installed on the fixed support, and the drilling unit comprises:

the hydraulic cylinders 1 are arranged in a plurality, the hydraulic cylinders 1 are embedded and installed in the fixed support, and the output end of each hydraulic cylinder 1 extends to the upper side of the fixed support and is fixedly connected with the bottom end of the top plate 2;

the power unit 3, the power unit 3 adopts the speed reducer in this embodiment, and the speed reducer passes through frame fixed mounting in the top of roof 2, and the output of power unit 3 runs through the bottom of roof 2 and installs the drilling tool for drive drilling tool rotation is treated the drilling construction on the borehole surface, and is sent into power unit 3 and drilling tool together towards the borehole inboard through the hydraulic cylinder 1 withdrawal, and wherein, the drilling tool includes:

the discharging nipple comprises a discharging cylinder 4 and a first spiral drill rod 5, wherein the discharging cylinder 4 is arranged at the bottom end of the top plate 2, the first spiral drill rod 5 is arranged in the discharging cylinder 4, the outer side wall of the first spiral drill rod 5 is rotationally connected with the inner side wall of the discharging cylinder 4, the top end of the first spiral drill rod 5 extends to the upper part of the discharging cylinder 4 and is fixedly connected with the output end of the power unit 3 through a coupling, and a discharging port 6 is formed in the side wall of the discharging cylinder 4;

the feeding pup joints are sequentially arranged below the discharging pup joint in a superimposed manner at the end parts along the vertical direction, a drill bit 41 is arranged at one end of the feeding pup joint positioned at one side far away from the discharging pup joint, the feeding pup joint comprises a feeding cylinder 7 and a second spiral drill rod 8, the opposite surfaces of two adjacent feeding cylinders 7 and the opposite surfaces of the feeding cylinder 7 and the discharging cylinder 4 are respectively detachably connected through a fixing assembly, and the feeding pup joint is used for drilling construction by drilling tools which are spliced and assembled into corresponding heights according to construction requirements on a construction site, is convenient to transport and can reduce transportation cost; the second spiral drill rods 8 are arranged in the feeding cylinder 7, the outer side walls of the second spiral drill rods 8 are rotationally connected with the inner side walls of the feeding cylinder 7, and the adjacent ends of two adjacent second spiral drill rods 8 and the adjacent ends of the second spiral drill rods 8, the first spiral drill rods 5 and the drill bit 41 are respectively connected;

the drill bit 41 is used for conveying soil generated in the drilling construction process in the stratum into the feeding cylinder 7, then conveying the soil into the discharging cylinder 4 through the second spiral drill rod 8 and the first spiral drill rod 5, and discharging the soil from the discharging hole 6, compared with a traditional spiral drilling machine, after the spiral drill rod is not required to be taken out of a borehole, the spiral drill rod is reversely rotated to separate the soil from the spiral drill rod so as to discharge the soil in the borehole, so that part of the soil is conveyed upwards through the first spiral drill rod 5 and the second spiral drill rod 8 when the drill bit 41 drills, the soil is discharged while drilling is ensured, and therefore, the spiral drill rod is not required to be repeatedly taken out of the borehole to discharge the soil in the drilling process, the construction efficiency can be improved, and the drilling precision is ensured; meanwhile, the discharging pipe 34 is installed at the discharging hole 6, the discharging pipe 34 is obliquely downwards arranged, and soil discharged from the discharging hole 6 can be directly conveyed into the transport vehicle, so that loading and transportation of the soil are not needed by using other auxiliary tools after drilling construction, and the construction cost can be reduced.

After the drilling construction is finished, when the drilling tool is integrally taken out of the well hole, the drill bit 41 can be disassembled, and then the power unit 3 drives the first spiral drill rod 5 and the second spiral drill rod 8 to reversely rotate so as to discharge the residual soil in the discharge cylinder 4 and the feeding cylinder 7; and, can also unpack apart row feed cylinder 4 and feeding cylinder 7, wash first auger stem 5 and second auger stem 8 through the high-pressure squirt, be convenient for clear up the maintenance.

In the above, the effective elongation of the hydraulic cylinder 1 is greater than the hole depth of the hole to be drilled, for ensuring that the drill bit 41 is sent to the bottommost part of the hole to be drilled; when the hole depth of the hole to be drilled is greater than 5 meters, the drill bit 41 can be lifted to be right above the surface of the hole to be drilled in the vertical direction by adopting a multi-stage hydraulic cylinder to perform drilling construction; moreover, the drilling speed of the drill bit 41 is controlled through the hydraulic cylinder 1, so that the drill bit 41 can be effectively ensured to drill into the stratum at a constant speed, the influence on the drilling speed due to different stratum hardness when the drill bit 41 drills freely is avoided, for example, the drilling speed of the drill bit 41 is high when the stratum hardness is low, the drilling speed of the drill bit 41 is low when the stratum hardness is high, and the exploitation depth of a well hole can be accurately controlled.

It should be noted that: in the above, if the hole depth of the hole to be drilled is greater than 10 meters, in order to ensure the installation stability of the device, drilling construction is performed by adopting a mode of assembling the feeding pup joints in batches, wherein when the feeding pup joints are initially assembled, the whole height of the drilling tool is set to be within 10 meters, then the drilling tool is installed on the fixed support for one drilling construction, the last feeding pup joint stops continuously drilling after being sent to the upper part of the hole to be drilled, then the discharging pup joint and the feeding pup joint are detached, the rest feeding pup joint required is installed between the feeding pup joint and the discharging pup joint which are positioned in the hole, secondary drilling construction is performed, and if the rest feeding pup joint required is still greater than 10 meters, the rest feeding pup joint is installed in batches according to one batch of 8-10 meters.

Further, the drill 41 includes:

the rotary disc 9, one end of the rotary disc 9 is connected with the feeding cylinder 7 through the rotary piece 35, the other end of the rotary disc 9 is provided with the conical reaming table 10, one end of the rotary disc 9 is provided with the discharge hole 11 along the central axis, the central axes of the discharge hole 11 and the feeding cylinder 7 are mutually overlapped, and the diameter of the discharge hole 11 is the same as the diameter of the inner ring of the feeding cylinder 7, so that better discharge of soil can be ensured;

the third spiral drill rod 12, the third spiral drill rod 12 is installed in the discharge hole 11, one end of the third spiral drill rod 12 is connected with the second spiral drill rod 8, the other end of the third spiral drill rod 12 penetrates through the conical reaming table 10 and extends to the outer side of the conical reaming table 10 to be provided with a drilling part;

the conical bulges 13 are arranged side by side along the central axis direction of the conical reaming bench 10, each conical bulge 13 is uniformly distributed on the outer surface of the conical reaming bench 10 along a ring shape, and two adjacent conical bulges 13 are alternately arranged for compensating gaps among the conical bulges 13.

In the above, the drill 41 drills in the borehole through the drilling part during drilling, and the broken stone and rock layer in the stratum are crushed while reaming the periphery of the borehole through the plurality of groups of conical protrusions 13 on the conical reaming bench 10, so that the abrasion degree of the third auger stem 12 can be reduced, and the service life can be prolonged; and, because drilling position is located in the outside of rolling disc 9 and tapered reaming platform 10 for third auger stem 12 when boring, the stratum has formed the support barrel in the outside of third auger stem 12, make third auger stem 12 can send the earth that produces in the drilling process in the stratum to discharge port 11 in, and in continuous drilling process, earth in the stratum pushes up the earth in the discharge port 11 to the feeding cylinder 7 in contact with second auger stem 8, make second auger stem 8 carry earth upwards gradually to discharge cylinder 4 along the inside wall of feeding cylinder 7 in, then throw away earth from discharge port 6 through first auger stem 5, thereby realize the function of automatic discharge.

It should be noted that: when stratum geology is too hard, such as drilling and exploitation of a rock ore layer, the drilling part is designed into a conical diamond, so that the rock ore layer can be rapidly broken, and drilling and exploitation construction is facilitated.

Further, the fixing assembly includes:

a plurality of arc grooves 14, wherein the arc grooves 14 are annularly arranged on the outer side wall of one end of the feeding barrel 7, and the inner side wall of each arc groove 14 is provided with a threaded blind hole;

the arc plates 15 are integrally cast at one end of the discharge cylinder 4 or the feeding cylinder 7, each arc plate 15 is inserted into the corresponding arc groove 14, the outer side wall of each arc plate 15 is provided with a countersunk bolt hole, and the central axis of each countersunk bolt hole is mutually overlapped with the central axis of the corresponding threaded blind hole;

the fastening bolt 16, one end of a screw rod of the fastening bolt 16 penetrates through the countersunk bolt hole to be connected with the threaded blind hole, and is used for fixedly mounting the discharging barrel 4 and the feeding barrels 7 or the adjacent two feeding barrels 7, and meanwhile, the fastening bolt 16 is embedded and mounted in the arc-shaped plate 15 through the countersunk bolt hole, so that the flatness of the joint of the barrel can be ensured; moreover, by adopting the insertion fit installation between the arc-shaped groove 14 and the arc-shaped plate 15, the installation coincidence degree between two adjacent cylinders can be ensured.

Further, a polygonal insertion block 24 is integrally formed at one end of the first spiral drill rod 5, which is close to the second spiral drill rod 8, and at one end of the second spiral drill rod 8, and polygonal insertion slots 25 are formed at the other end of the third spiral drill rod 12, which is close to the second spiral drill rod 8, and at the other end of the second spiral drill rod 8, respectively, so that the polygonal insertion block 24 is inserted into the polygonal insertion slots 25, and the first spiral drill rod 5, the second spiral drill rod 8 and the third spiral drill rod 12 are inserted and installed.

Further, the rotating member 35 includes a hemispherical chute 17 formed in a ring shape on an outer side wall of one end of one of the feeding barrels 7, and a plurality of connecting members slidably mounted in the hemispherical chute 17, the plurality of connecting members being mounted on the rotating disc 9 along a central axis line of the rotating disc 9, wherein the connecting members include:

a bar-shaped chute 18 embedded on the end face of the rotating disc 9;

the bottom of the supporting plate 19 is slidably mounted in the strip-shaped chute 18, one side of the top of the supporting plate 19 is welded with a hemispherical sliding block 36, and the hemispherical sliding block 36 is slidably mounted in the hemispherical chute 17 and used for positioning and mounting the drill bit 41;

the fixed block 20, the fixed block 20 is welded on the rotating disc 9, and the fixed block 20 and the hemispherical sliding block 36 are positioned on two opposite sides of the supporting plate 19;

the adjusting screw 21, adjusting screw 21 sets up in the one side of fixed block 20, and the one end of adjusting screw 21 runs through fixed block 20 and rotates with backup pad 19 to be connected, and the surface of adjusting screw 21 and the inside wall threaded connection of fixed block 20.

In the above description, when the drill bit 41 is installed, firstly, the hemispherical sliding blocks 36 are moved to the outer side of the hemispherical sliding groove 17 by rotating the adjusting screw 21, then the polygonal inserting grooves 25 on the adjacent third auger stem 12 and the polygonal inserting blocks 24 on the second auger stem 8 are aligned and inserted together, so that the hemispherical sliding blocks 36 are just located at the periphery of the hemispherical sliding groove 17, then the polygonal inserting grooves 25 and the polygonal inserting blocks 24 are installed in place, and then the supporting plate 19 is driven to move along the inner wall of the bar-shaped sliding groove 18 to approach the feeding cylinder 7 by rotating the adjusting screw 21 until the hemispherical sliding blocks 36 are respectively slidably installed in the hemispherical sliding groove 17, so that when the drill bit 41 is driven to rotate by the second auger stem 8, the hemispherical sliding blocks 36 respectively slide in the hemispherical sliding groove 17 in the circumferential direction, thereby rotationally installing the drill bit 41 at the bottom of the feeding cylinder 7.

Further, in order to ensure stability of the drill bit 41 during drilling construction, two ends of the second auger stem 8 are respectively sleeved with a rotating ring 22, and an outer side wall of the rotating ring 22 is fixedly connected with an inner side wall of the feeding barrel 7 through a side plate 23 for supporting and fixing the second auger stem 8.

It should be noted that: in the actual drilling process of the drill bit 41, the drill bit 41 can transversely shake along with the different hardness of stratum, and if the second auger stem 8 is rigidly connected with the rotating ring 22, the abrasion of the surface of the second auger stem 8 or the rotating ring 22 can be increased; if the existing bearing structure is directly adopted to replace the rotating ring 22, gaps among balls in the existing bearing are easy to be blocked in the soil discharging process, so that the existing bearing cannot rotate normally; therefore, in order to solve the defects in the prior art, the rotating ring 22 comprises a bearing 37, an upper pressing ring 38, a lower pressing ring 39 and a sealing ring 40, wherein the inner ring of the bearing 37 is in interference fit with the outer surface of the second spiral drilling rod 8, the outer ring of the bearing 37 is welded with the end part of the side plate 23, the upper pressing ring 38 and the lower pressing ring 39 are respectively arranged on the upper side and the lower side of the bearing 37 and are welded with the outer ring of the bearing 37, the sealing ring 40 is embedded between the upper pressing ring 38 and the lower pressing ring 39 respectively opposite to the inner ring of the bearing 37, so that the surface abrasion of the second spiral drilling rod 8 or the rotating ring 22 can be reduced, and meanwhile, the phenomenon that the normal rotation of the bearing 37 is influenced by the soil entering the bearing 37 is avoided.

Further, the fixing support comprises a fixing plate 26 and two groups of bases 27, the two groups of bases 27 are symmetrically arranged below the fixing plate 26, four supporting upright posts 28 are welded between opposite surfaces of the fixing plate 26 and the two groups of bases 27, and the four supporting upright posts 28 are respectively positioned at four corners of the fixing plate 26; the hydraulic cylinder 1 is fixedly arranged on the base 27, the output end of the hydraulic cylinder 1 penetrates through the top end of the fixed plate 26, and a through hole 29 for penetrating the feeding cylinder 7 is formed in the fixed plate 26; before the drilling tool is installed, the base 27 is fixedly installed on the surface of the hole to be drilled through the foundation bolts, and the drilling tool is guided and installed through the through holes 29 on the fixing plate 26.

Further, the distance between the opposite faces of the two sets of seats 27 is larger than the diameter of the rotary disc 9, so that the drill bit 41 can penetrate through the space between the two sets of seats 27 to perform drilling construction on the stratum during drilling, and protection plates are arranged between the opposite faces of the two sets of seats 27, so that constructors or sundries are prevented from falling into the well holes.

Further, the protection plate comprises two cover plates 30, semicircular grooves 31 are respectively formed between opposite surfaces of the two cover plates 30, and the two cover plates 30 are covered together to form a round hole for penetrating the feeding cylinder 7, so that when the drill bit 41 drills into the ground, the cover plates 30 can be clamped to the outer side of the feeding cylinder 7; the side wall of the base 27 is provided with a strip-shaped through groove 32 for sliding the cover plate 30 in the strip-shaped through groove 32 and guiding and limiting the cover plate 30; the opposite sides of two apron 30 are provided with the hasp, install lock 33 on the hasp, in the construction stage, lock apron 30 through lock 33, avoid constructor to appear the maloperation, cause the potential safety hazard.

While the invention has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the invention, and it is intended that the invention is not limited to the specific embodiments disclosed.

Claims

1. Drilling and exploitation equipment of an engineering driller comprises a fixed support arranged on the surface of a hole to be drilled, and is characterized in that a drilling unit is arranged on the fixed support, and the drilling unit comprises:

the hydraulic cylinders (1) are arranged in a plurality, the hydraulic cylinders (1) are embedded and installed in the fixed support, and the output end of each hydraulic cylinder (1) extends to the upper side of the fixed support and is connected with the bottom end of the top plate (2);

the power unit (3), the power unit (3) is installed the top of roof (2), just the output of power unit (3) runs through the bottom of roof (2) and installs the drilling tool, be used for driving the drilling tool rotates to wait to bore the surface and carry out drilling construction, and through pneumatic cylinder (1) withdrawal will power unit (3) with drilling tool together send into towards the borehole inboard, wherein, the drilling tool includes:

the discharging nipple comprises a discharging barrel (4) and a first spiral drill rod (5), wherein the discharging barrel (4) is arranged at the bottom end of the top plate (2), the first spiral drill rod (5) is arranged in the discharging barrel (4), the outer side wall of the first spiral drill rod (5) is rotationally connected with the inner side wall of the discharging barrel (4), the top end of the first spiral drill rod (5) extends to the upper side of the discharging barrel (4) and is connected with the output end of the power unit (3), and a discharging opening (6) is formed in the side wall of the discharging barrel (4);

the feeding device comprises a plurality of feeding pup joints, wherein the feeding pup joints are sequentially arranged below the discharging pup joints in a superimposed manner at the end parts along the vertical direction, a drill bit (41) is arranged at one end of the feeding pup joint, which is far away from one side of the discharging pup joint, the feeding pup joints comprise a feeding cylinder (7) and a second spiral drill rod (8), the opposite surfaces of the adjacent two feeding cylinders (7) and the opposite surfaces of the feeding cylinder (7) and the discharging cylinder (4) are respectively and detachably connected through a fixing assembly, the second spiral drill rod (8) is arranged in the feeding cylinder (7), the outer side wall of the second spiral drill rod (8) is rotationally connected with the inner side wall of the feeding cylinder (7), and the adjacent ends of the adjacent two second spiral drill rods (8) and the adjacent ends of the first spiral drill rod (5) and the drill bit (41) are respectively connected;

the drill bit (41) is used for conveying soil generated in the drilling construction process in the stratum into the feeding barrel (7), conveying the soil into the discharging barrel (4) through the second auger stem (8) and the first auger stem (5), and discharging the soil from the discharging opening (6).

2. An engineering driller drilling and production apparatus according to claim 1, characterised in that the drill bit (41) comprises:

the rotary disc (9), one end of the rotary disc (9) is connected with the feeding cylinder (7) through a rotary piece (35), a conical reaming table (10) is arranged at the other end of the rotary disc (9), a discharging hole (11) is formed in one end of the rotary disc (9) along a central axis, the discharging hole (11) and the central axis of the feeding cylinder (7) are mutually overlapped, and the diameter of the discharging hole (11) is identical to the diameter of the inner ring of the feeding cylinder (7);

the third spiral drill rod (12), the third spiral drill rod (12) is installed in the discharge hole (11), one end of the third spiral drill rod (12) is connected with the second spiral drill rod (8), and the other end of the third spiral drill rod (12) penetrates through the conical reaming bench (10) and extends to the outer side of the conical reaming bench (10) to be provided with a drilling part;

the conical bulges (13) are arranged side by side along the central axis direction of the conical reaming bench (10), each conical bulge (13) is uniformly distributed on the outer surface of the conical reaming bench (10) along a ring shape, and two adjacent conical bulges (13) are alternately arranged to compensate gaps among the conical bulges (13).

3. The engineering driller drilling production apparatus of claim 1 wherein the securing assembly comprises:

a plurality of arc grooves (14), wherein the arc grooves (14) are annularly arranged on the outer side wall of one end of the feeding barrel (7), and a threaded blind hole is formed in the inner side wall of each arc groove (14);

the device comprises a plurality of arc plates (15), wherein the arc plates (15) are arranged at one end of the discharge cylinder (4) or the feeding cylinder (7), each arc plate (15) is inserted into a corresponding arc groove (14) respectively, a countersunk bolt hole is formed in the outer side wall of each arc plate (15), and the central axis of each countersunk bolt hole is mutually overlapped with the central axis of a corresponding threaded blind hole;

and one end of a screw rod of the fastening bolt (16) penetrates through the countersunk head bolt hole to be connected with the threaded blind hole.

4. An engineering driller drilling and production device according to claim 2, characterized in that the rotating member (35) comprises a hemispherical chute (17) annularly arranged on the outer side wall of one end of one of the feeding cylinders (7), and a plurality of connecting members slidably arranged in the hemispherical chute (17), and the plurality of connecting members are mounted on the rotating disc (9) along the central axis line direction of the rotating disc (9), wherein the connecting members comprise:

a strip-shaped chute (18) arranged on the end face of the rotating disc (9);

the bottom of the supporting plate (19) is slidably mounted in the strip-shaped chute (18), a hemispherical sliding block (36) is arranged on one side of the top of the supporting plate (19), and the hemispherical sliding block (36) is mounted in the hemispherical chute (17);

the fixed block (20) is arranged on the rotating disc (9), and the fixed block (20) and the hemispherical sliding block (36) are positioned on two opposite sides of the supporting plate (19);

the adjusting screw (21), adjusting screw (21) set up one side of fixed block (20), one end of adjusting screw (21) runs through fixed block (20) and with backup pad (19) are connected, just the surface of adjusting screw (21) with the inside wall threaded connection of fixed block (20).

5. The engineering driller drilling exploitation device according to claim 1, wherein two ends of the second spiral drilling rod (8) are respectively sleeved with a rotating ring (22), and the outer side wall of the rotating ring (22) is connected with the inner side wall of the feeding barrel (7) through a side plate (23).

6. An engineering driller drilling and exploitation device according to claim 2, characterized in that one end of the first auger stem (5) close to the second auger stem (8) and one end of the second auger stem (8) are respectively provided with a polygonal insertion block (24), and one end of the third auger stem (12) close to the second auger stem (8) and the remaining end of the second auger stem (8) are respectively provided with a polygonal insertion slot (25) for inserting the polygonal insertion block (24) into the polygonal insertion slot (25).

7. The engineering driller drilling and exploitation device according to claim 1, wherein the fixed support comprises a fixed plate (26) and two groups of bases (27), the two groups of bases (27) are symmetrically arranged below the fixed plate (26), four supporting columns (28) are arranged between opposite surfaces of the fixed plate (26) and the two groups of bases (27), and the four supporting columns (28) are respectively positioned at four corners of the fixed plate (26);

the hydraulic cylinder (1) is arranged on the base (27), and the output end of the hydraulic cylinder (1) penetrates through the top end of the fixed plate (26);

the fixing plate (26) is provided with a through hole (29) for penetrating the feeding cylinder (7).

8. An engineering driller drilling and production apparatus according to claim 7, characterized in that the distance between the opposite faces of the two sets of seats (27) is larger than the diameter of the rotating disc (9), and that between the opposite faces of the two sets of seats (27) there are mounted protection plates.

9. The engineering driller drilling and exploitation device according to claim 8, characterized in that the protection plate comprises two cover plates (30), a semicircular groove (31) is respectively arranged between opposite surfaces of the two cover plates (30), and the two cover plates (30) are covered together to form a round hole for penetrating the feeding cylinder (7);

a strip-shaped through groove (32) is formed in the side wall of the base (27), and the cover plate (30) is slidably arranged in the strip-shaped through groove (32);

a lock catch is arranged on one side of the opposite surfaces of the two cover plates (30), and a door lock (33) is arranged on the lock catch.

10. An engineering driller drilling and exploiting device according to claim 1, characterized in that a discharging pipe (34) is arranged at the discharging hole (6), and the discharging pipe (34) is arranged obliquely downwards and is used for conveying soil discharged from the discharging hole (6) into a transport vehicle.