CN215485847U - Double-power high-speed stirring drilling machine - Google Patents

Abstract

The utility model provides a double-power high-speed stirring drilling machine, relates to the technical field of constructional engineering, and aims to realize coordination of drilling and stirring of the drilling machine and improve the stability and safety of construction. The drilling machine comprises a chassis, a drilling machine front end, a drilling machine background, a power system and a control platform, wherein the drilling machine background and the control platform are arranged on the chassis, the power system is connected with the drilling machine front end, and the drilling machine front end is configured on the chassis; the driving pressure plate chain at the front end of the drilling machine is connected with the driving pressure plate and the bearing pile frame, the rotary driving chain is connected with the rotary driving assembly, the driving drill rod is connected with the driving pressure plate through a flange, and the driving drill rod is connected with an external drill rod or a drill bit through a pin. Utilize this stirring rig to construct, including adjustment chassis and holding power pile frame, drive pressure disk and gyration drive assembly remove along the direction of creeping into after the rig starts, through drill bit pump sending curing agent and high-pressure gas, cooperate the gyration drive assembly to accomplish the connection and the dismantlement of drilling rod, have advantages such as construction convenience, with low costs.

Description

Double-power high-speed stirring drilling machine

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a double-power high-speed stirring drilling machine.

Background

With the rapid development of urban construction, the land resources are more and more tense, and underground spaces are fully developed and utilized, which is a necessary trend of urban construction development. The urban underground space is developing towards a larger depth and a larger scale, and the large-scale investment and planning cause underground engineering construction to face more challenges and problems. At present, piling machinery is widely applied to key engineering construction such as municipal construction, subway construction, maintenance of mature buildings, water conservancy, airport construction and the like, the market demand is very large, and meanwhile, higher requirements on energy conservation, environmental protection and high efficiency of the piling machinery are provided.

The stirring drilling machine has the characteristics of high installed power, large output torque, good pore-forming quality, flexible and convenient operation, high construction efficiency, small environmental pollution and the like, is matched with different drilling tools to adapt to geological conditions in most areas, and becomes a main construction machine suitable for cast-in-situ bored pile construction in building foundation engineering. However, the application range of the stirring drilling machine is continuously enlarged, the stirring drilling machine is used under different construction conditions or methods, the requirements on the load are different, and the existing stirring drilling machine only has a single drilling mode and cannot meet the drilling requirements of the current multiple geological conditions. In addition, the weight and the structural form of the mast seriously restrict the height of the tower frame of the drilling machine, and the process of additionally connecting the drill rod is forced to be adopted in the construction process of the deep and large foundation pit, so that the construction efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

In order to coordinate the drilling and stirring construction process of the stirring drilling machine and improve the stability and safety of construction, the utility model provides a double-power high-speed stirring drilling machine, which overcomes the defects of the prior art. The torque conveying equipment and the propelling equipment are separated by the combination of a double-power structure, the torque conveying equipment and the propelling equipment are not influenced mutually, the construction is convenient, and in addition, the rotary power device has a wider speed adjusting range and larger torque output; by arranging the rotary driving assembly, the axial degree of freedom and the radial degree of freedom can be limited at the same time, the axial bearing capacity and the radial bearing capacity are provided at the same time, and the rotary disc can be supported in an auxiliary manner, so that the axis of the rotary disc is more stable; the light pile frame adopts the truss type member to reduce the weight of the mast, reduce the influence of wind load on construction and facilitate the disassembly and transportation; by adopting the steel pipe as the first section of mast, the strength of the mast is increased, the gravity center of the mast is moved downwards, and the stability and the safety of the equipment are improved.

A double-power high-speed stirring drilling machine comprises a chassis, a drilling machine front end, a drilling machine background, a power system and a control platform, wherein the drilling machine background and the control platform are arranged on the chassis; the drilling machine background comprises a curing agent stirring system and a high-pressure gas supply system; the power system provides power for the chassis and the front end of the drilling machine; the drilling machine is characterized in that the front end of the drilling machine comprises a bearing pile frame, a light pile frame, a driving pressure plate, a rotary driving assembly, a driving drill rod, a driving pressure plate chain and a rotary driving chain; the driving pressure plate comprises a driving gear, a first driven gear, a second driven gear, a third driven gear and a fourth driven gear, the driving gear, the first driven gear, the second driven gear, the first driven gear and the driving gear are matched with each other and are configured at the lower end of the force-bearing pile frame, the second driven gear and the third driven gear are configured at the upper end of the force-bearing pile frame, and the third driven gear and the fourth driven gear are configured at the upper end of the light pile frame; the light pile frame comprises a pile frame main body and pile frame pulleys, the lower end of the pile frame main body is connected with the force-bearing pile frame, and a plurality of pile frame pulleys are arranged on the pile frame main body; the bearing pile frame comprises a bearing pile frame main body and a slide rail, and the slide rail is configured along the bearing pile frame main body; the driving pressure plate comprises a pressure plate base, an end part bulge and a driving pressure plate main body, wherein a pressure plate clamping groove is formed in the pressure plate base and matched with a sliding rail on the light pile frame; the driving pressure plate chain is respectively connected with the pressure plate base and the end part bulge; the rotary driving assembly comprises a rotary main body, a rotary driving clamping groove, a rotary driving rotary bin and a locking device, the rotary driving clamping groove is matched with a sliding rail on the force-bearing pile frame, the rotary driving rotary bin is arranged on the rotary main body, and the locking device fixes the relative positions of the rotary driving assembly and the force-bearing pile frame; the rotary driving chain is separately connected with the upper end surface and the lower end surface of the rotary main body; the driving drill rod is connected with the driving pressure plate through a flange; the driving drill rod is connected with the external drill rod and the drill bit through pins.

Preferably, the cross-section of the driver drill rod is polygonal, and the cross-section of the circumscribed drill rod is polygonal or circular.

Preferably, the bearing pile frame main body is in a circular tube shape, the length of the bearing pile frame is greater than that of the external drill bit, and the length of the bearing pile frame is also greater than that of the drill bit.

Preferably, the end part of the light pile frame main body is welded with a fixed frame, and the third driven gear and the fourth driven gear are symmetrically arranged on the fixed frame; the light pile frame main body is of a truss structure.

Preferably, the driving gear has a diameter larger than diameters of the first, second, third and fourth driven gears; the first driven gear is arranged above the driving gear, and the second driven gear is arranged below the driving gear.

Preferably, the pressure plate clamping groove is in a semi-arc shape; and a plurality of external drill rods are connected between the driving drill rod and the drill bit.

Preferably, the driving gear, the first driven gear, the second driven gear, the third driven gear and the driving gear are provided with bearings in the middle, the bearings are matched with the cylindrical shaft, and the end part of the cylindrical shaft is welded and fixed on the bearing pile frame or the light pile frame.

The utility model provides a double-power high-speed stirring drilling machine which has the beneficial effects that: (1) through the combination of a double-power structure, the torque conveying equipment and the propelling equipment are separated, the rotation and the propulsion of the drill rod are not influenced mutually, the construction is convenient, the rotary power device has a wider speed adjusting range and a larger torque output, and the cooperative matching of drilling and stirring is ensured; (2) the device with the rotary power can limit the degrees of freedom in the axial direction and the radial direction at the same time, provide the bearing capacity in the axial direction and the radial direction at the same time, play a role of auxiliary support for the rotary disc and enable the axis of the rotary driving rotary bin to be more stable; (3) the light pile frame reduces the weight by adopting a truss type component, and reduces the influence of wind load on construction; (4) the bearing pile frame is made of steel pipes, so that the strength of the bearing pile frame is increased, the center of gravity of the tower is moved downwards, and the stability and the safety of equipment are improved.

Drawings

FIG. 1 is a schematic structural diagram of the front end of a dual-power high-speed stirring drilling machine;

fig. 2 is a structural schematic diagram of a force-bearing pile frame;

FIG. 3 is a schematic view of the construction of the lightweight pile frame end;

FIG. 4 is a schematic view of a mounting structure of the drive platen;

FIG. 5 is a top view of the drive platen;

FIG. 6 is a schematic view of a lightweight pile frame;

FIG. 7 is a schematic structural view of a swing drive assembly;

FIG. 8 is a schematic view of the front end of the dual-power high-speed stirring drilling machine in an operating state;

in the figure: 1-light pile frame, 2-bearing pile frame, 3-driving pressure plate, 4-rotary driving component, 5-driving drill rod, 6-drill bit, 7-fixing frame, 8-driving pressure plate chain, 9-rotary driving chain, 10-driving gear, 11-first driven gear, 12-second driven gear, 13-third driven gear, 14-fourth driven gear, 15-driving gear, 16-first driven gear, 17-second driven gear, 18-third driven gear, 19-rotary main body, 20-rotary driving clamping groove, 21-rotary driving rotary cabin, 22-slide rail, 23-pressure plate base, 24-end bulge, 25-driving pressure plate main body, 26-pressure plate clamping groove, 27-external connection of a drill rod.

Detailed Description

The embodiment of the dual-power high-speed stirring drilling machine provided by the utility model is described with reference to fig. 1 to 8.

A dual-power high-speed stirring drilling machine comprises a chassis, a drilling machine front end, a drilling machine background, a power system and a control platform, wherein the drilling machine background and the control platform are arranged on the chassis, the control platform controls all parts of the drilling machine, and the power system is connected with the drilling machine front end and comprises a pressure plate power system, a circular rotation power system, a vertical rotation power system, a chassis power system, a pile frame power system and a drilling machine accessory power system. The front end of the drilling machine is arranged on the chassis and moves along with the chassis, and in addition, the angle and the direction of the front end of the drilling machine and the chassis can be changed according to construction requirements. The drilling machine background comprises a curing agent stirring system and a high-pressure gas supply system, wherein the curing agent stirring system can provide the curing agent after stirring for the drill bit, and the high-pressure gas supply system can provide high-pressure gas for the drill bit. The power system provides power for the chassis and the front end of the drilling machine, controls and adjusts the chassis to adjust the level and the angle between the front end of the drilling machine and the soil body.

The front end of the drilling machine comprises a bearing pile frame 2, a light pile frame 1, a driving pressure plate 3, a rotary driving assembly 4, a driving drill rod 5, a driving pressure plate chain 8 and a rotary driving chain 9, and all the parts are mutually matched to realize drilling and rotary double-power propulsion. The driving pressure plate 3 comprises a driving gear 15, a first driven gear 11, a second driven gear 12, a third driven gear 13 and a fourth driven gear 14, wherein the driving gear 15 provides power, each driven gear is matched with the driving gear to realize the movement of the driving pressure plate chain 8, the first driven gear 11, the second driven gear 12, the first driven gear 16 and the driving gear 15 are matched with each other and are arranged at the lower end of the force bearing pile frame 2, the second driven gear 17 and the third driven gear 18 are arranged at the upper end of the force bearing pile frame, and the third driven gear 13 and the fourth driven gear 14 are arranged at the upper end of the light pile frame 1. The rotary driving chain 9 is connected with the rotary driving component 4, the first driven gear 11, the driving gear 15, the first driven gear 16, the second driven gear 12, the second driven gear 17, the third driven gear 18 and the like, and the rotary driving component is controlled to move along the force bearing pile frame through gear transmission. The driving gear 10 has a diameter larger than the diameters of the first driven gear 11, the second driven gear 12, the third driven gear 13, and the fourth driven gear 14. The first driven gear 11 is installed above the driving gear, and the second driven gear 12 is installed below the driving gear. The platen slot 26 is semi-circular. The driving gear 10, the first driven gear 11, the second driven gear 12, the first driven gear 16, the second driven gear 17, the third driven gear 18 and the driving gear 15 are provided with bearings in the middle, the bearings are matched with a cylindrical shaft, and the end part of the cylindrical shaft is welded and fixed on a bearing pile frame or a light pile frame.

The light pile frame 1 comprises a pile frame main body and pile frame pulleys, the lower end of the pile frame main body is connected with a bearing pile frame, and a plurality of pile frame pulleys are arranged on the pile frame main body. The end part of the light pile frame main body is welded with a fixed frame 7, and a third driven gear 13 and a fourth driven gear 14 are symmetrically arranged on the fixed frame. The driving gear 10 is matched with a third driven gear 13 and a fourth driven gear 14 to control the driving pressure plate 3 to move up and down along the light pile frame main body. The light pile frame main body is of a truss structure and can be composed of a plurality of sections of hollow cylindrical rod pieces, and the hollow cylindrical rod pieces form a plurality of triangular components in a welding mode so as to combine the light pile frame main body. Wherein the light pile frame main body can be connected with the chassis through a connecting mechanism, and the connecting mechanism can also control the inclination angle of the light pile frame.

The force-bearing pile frame 2 comprises a force-bearing pile frame main body and a slide rail, and the slide rail 22 is configured along the force-bearing pile frame main body, so that the rotation driving component can move conveniently. The main body of the bearing pile frame is in a circular tube shape, the length of the bearing pile frame 2 is greater than that of the external drill rod 27, and the length of the bearing pile frame 2 is also greater than that of the drill bit 6.

The driving pressure plate 3 comprises a pressure plate base 23, end protrusions 24 and a driving pressure plate main body 25, a pressure plate clamping groove 26 is formed in the pressure plate base 23, and the pressure plate clamping groove 26 is matched with a sliding rail on the light pile frame 1. The driving platen chain 8 is connected with the platen base and the end part bulge respectively. The rotary driving assembly 4 comprises a rotary main body 19, a rotary driving clamping groove 20, a rotary driving rotary bin 21 and a locking device, the rotary driving clamping groove 20 is matched with a sliding rail 22 on the bearing pile frame, the rotary driving rotary bin 21 is arranged on the rotary main body, and the locking device fixes the relative positions of the rotary driving assembly 4 and the bearing pile frame 2. The rotary driving chain is separately connected with the upper end surface and the lower end surface of the rotary main body, so that the rotary main body can be controlled to move up and down. The driving drill rod is connected with the driving pressure plate through a flange, so that the connection stability is ensured.

The driving drill rod is connected with the external drill rod and the drill bit through pins. The cross section of the driving drill rod is polygonal, and the cross section of the external drill rod is polygonal or circular.

In order to further explain the structure and the beneficial effect of the double-power high-speed stirring drilling machine, the use method of the double-power high-speed stirring drilling machine is provided, the construction of the double-power high-speed stirring drilling machine is utilized, and the specific construction steps are as follows:

s1, starting a drilling machine through a control platform, adjusting the positions of a chassis and the front end of the drilling machine, and operating the drilling machine for 5-10 minutes after the positions are adjusted to be in a state that the chassis is horizontal and a drill rod is vertical.

S2, driving a pressure plate and a rotary driving assembly to work, driving a pressure plate main body and a rotary main body to move downwards, and driving the pressure plate to drive a driving drill rod and a drill bit to move downwards; when the distance between the rotary main body and the lower end of the bearing pile frame is 0-1m, the locking device acts, and the rotary driving assembly is fixed on the bearing pile frame; and starting the rotary driving assembly locking device and simultaneously closing the vertical rotary power system to lock the rotary driving assembly on the force bearing pile frame.

And S3, when the drill bit is 0-1m away from the ground, the rotary driving cabin of the rotary driving assembly is driven to move downwards, the curing agent stirring system and the high-pressure gas supply system are started after the drill bit enters the soil body, the drill bit is controlled by the background of the drilling machine to pump the curing agent and the high-pressure gas into the soil body, and the curing agent and the high-pressure gas are uniformly mixed into the soil body.

S4, the connection operation of the external drill rod comprises the following steps: when the upper part of the drill bit is 0.5-2m away from the ground, the background of the drilling machine and the power system are closed, the driving drill rod and the drill bit are detached, the driving pressure plate and the rotary driving assembly work, the driving pressure plate main body and the rotary main body move upwards until the rotary driving assembly moves to the upper end of the bearing pile frame, the driving pressure plate and the rotary driving assembly stop working, the external drill rod is connected between the driving drill rod and the drill bit, and the steps are repeated to connect a plurality of external drill rods until the drilling hole is stirred to the set depth.

Specifically, when a drill rod needs to be added and connected, when the top of a drill bit is 0.5-2m away from the ground, a pressure plate power system, a vertical rotary power system and a circular rotary power system are closed, after a background of the drilling machine is closed, a locking device between a driving drill rod and the drill bit is released, the driving drill rod is separated from the drill bit, then the pressure plate power system and the vertical rotary power system are started, a driving gear and a driving gear rotate reversely, the driving pressure plate and a rotary driving assembly are driven to move upwards, when the rotary driving assembly moves upwards to the top of a bearing pile frame, the pressure plate power system and the vertical rotary power system are closed, then the upper part and the lower part of an external drill rod are respectively connected with the driving drill rod and the drill bit and locked, if a plurality of external drill rods need to be added and connected, the steps are similarly repeated, the drilling machine is opened, the previous external drill rod is placed into the ground through downward stirring, and then releasing the locking device of the previous section of drill rod and the driving drill rod, moving the driving pressure plate and the rotary driving assembly upwards, then adding the next section of drill rod, repeating the operation until the last external drill rod is added, and performing the operation of the steps.

And S5, driving the pressure plate and the rotary driving assembly to work, driving the pressure plate main body and the rotary main body to move upwards, driving the drill rod, the external drill rod and the drill bit to move upwards, starting the curing agent stirring system and the high-pressure gas supply system, and controlling the drill bit to continuously pump the curing agent and the high-pressure gas into the soil body by the background of the drilling machine.

And S6, when the lower end of the driving drill rod is lifted to the ground, the rotary driving assembly works, the rotary main body moves upwards until the rotary driving assembly moves to the upper end of the bearing pile frame, the locking device of the rotary driving assembly acts, the rotary driving assembly is fixed at the upper end of the bearing pile frame, the driving drill rod continues to be lifted upwards, and the lifting speed of the driving drill rod is less than or equal to that of the rotary driving assembly.

S7, the external drill rod removing operation comprises the following steps: when the distance between the lower end of the driving drill rod and the rotary driving assembly is 0.2-1m, the background and the power system of the drilling machine are closed, the external drill rod and the driving drill rod are detached, the external drill rod is removed, the driving pressure plate works, the driving pressure plate main body and the driving drill rod move downwards, the driving drill rod and the external drill rod are connected, the driving drill rod is lifted again, the steps are repeated to remove a plurality of drill rods until the drill bit leaves the soil body, and the drilling position forms a stirring pile.

Specifically, if an external drill rod exists, when the distance between the lower end of a driving drill rod and a rotary driving assembly is 0.2-1.0m, a pressure plate power system and a circular rotary power system are closed, a background of the drilling machine is closed, locking devices between the upper part and the lower part of the external drill rod and between the driving drill rod and a drill bit are respectively released, the external drill rod is removed, then the pressure plate power system is started to enable a driving gear to rotate forward, further the driving pressure plate and the driving drill rod are driven to move downwards until the driving drill rod is reconnected with the drill bit and locked, if a plurality of external drill rods exist, the steps are similarly repeated, after a first external drill rod on the upper part is removed, the pressure plate power system is started to enable the driving gear to rotate forward, further the driving pressure plate and the driving drill rod are driven to move downwards until the driving drill rod is reconnected with a next external drill rod and locked, then the driving drill rod is lifted upwards, when the distance between the lower end of the driving drill rod and the rotary driving component is 0.2-1.0m, closing the pressure plate power system and the annular rotary power system, closing the background of the drilling machine, respectively releasing locking devices between the upper part and the lower part of the external drill rod and the driving drill rod and between the upper part and the lower part of the external drill rod and the drill bit, removing the external drill rod, repeating the operation until the last external drill rod is removed, enabling the driving drill rod and the drill bit to be connected again and locked, when the last external drill rod is removed or the external drill rod is not removed, the pressure plate power system is opened to enable the driving gear to rotate reversely, and then driving the driving pressure plate and the driving drill rod to move upwards, starting the annular rotation power system to enable the rotation driving rotating bin to rotate reversely, finally, after the drill bit is completely separated from the soil body, closing the pressure plate power system and the annular rotation power system, and closing the background of the drilling machine.

And S8, leveling the surface of the soil body along the periphery of the stirring pile, recharging the curing agent into the stirring pile and filling the curing soil to the designed elevation.

The above steps may be repeated until the construction is completed.

When the torque of the driving drill rod is larger than 15000 N.m, the working power of the rotary driving rotary cabin is increased through the power system, the output rotating speed of the rotary driving rotary cabin is kept within the range of 5-15r/min, meanwhile, the output power of the driving pressure plate is increased through the power system, and the downward moving speed of the driving pressure plate is kept within the range of 0.2-1 m/min.

The downward moving speed of the driving pressure plate main body and the rotating main body is controlled within the range of 0.2-1m/min, and the moving speed of the driving pressure plate main body and the rotating main body is controlled within the range of 0.5-2 m/min.

The using amount of the curing agent in the soil body accounts for 10-40%, the curing agent comprises powder and slurry, the powder curing agent is pumped by using high-pressure gas, the pressure of the high-pressure gas is greater than 0.8MPa, and the mass ratio of the slurry curing agent to water is greater than 0.8: 1.

The double-power high-speed stirring drilling machine and the use method thereof separate the torque conveying equipment and the propelling equipment through the combination of double-power structures, and ensure that the rotation and the propulsion of a drill rod are not influenced mutually, thereby facilitating construction; the device with the rotary power can limit the degrees of freedom in the axial direction and the radial direction at the same time, provide the bearing capacity in the axial direction and the radial direction at the same time, play a role of auxiliary support for the rotary disc and enable the axis of the rotary driving rotary bin to be more stable; the light pile frame adopts the truss type member to reduce the weight of the mast, reduce the influence of wind load on construction and facilitate the disassembly and transportation; the bearing pile frame is made of steel pipes, so that the strength of the bearing pile frame is increased, the center of gravity of the tower is moved downwards, and the stability and the safety of equipment are improved.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (5)

1. A double-power high-speed stirring drilling machine comprises a chassis, a drilling machine front end, a drilling machine background, a power system and a control platform, wherein the drilling machine background and the control platform are arranged on the chassis; the drilling machine background comprises a curing agent stirring system and a high-pressure gas supply system; the power system provides power for the chassis and the front end of the drilling machine; the drilling machine is characterized in that the front end of the drilling machine comprises a bearing pile frame, a light pile frame, a driving pressure plate, a rotary driving assembly, a driving drill rod, a driving pressure plate chain and a rotary driving chain; the driving pressure plate comprises a driving gear, a first driven gear, a second driven gear, a third driven gear and a fourth driven gear, the first driven gear, the second driven gear, the first driven gear and the driving gear are matched with each other and are configured at the lower end of the force-bearing pile frame, the second driven gear and the third driven gear are configured at the upper end of the force-bearing pile frame, and the third driven gear and the fourth driven gear are configured at the upper end of the light pile frame; the light pile frame comprises a pile frame main body and pile frame pulleys, the lower end of the pile frame main body is connected with the force-bearing pile frame, and a plurality of pile frame pulleys are arranged on the pile frame main body; the bearing pile frame comprises a bearing pile frame main body and a slide rail, and the slide rail is configured along the bearing pile frame main body; the driving pressure plate comprises a pressure plate base, an end part bulge and a driving pressure plate main body, wherein a pressure plate clamping groove is formed in the pressure plate base and matched with a sliding rail on the light pile frame; the driving pressure plate chain is respectively connected with the pressure plate base and the end part bulge; the rotary driving assembly comprises a rotary main body, a rotary driving clamping groove, a rotary driving rotary bin and a locking device, the rotary driving clamping groove is matched with a sliding rail on the force-bearing pile frame, the rotary driving rotary bin is arranged on the rotary main body, and the locking device fixes the relative positions of the rotary driving assembly and the force-bearing pile frame; the rotary driving chain is separately connected with the upper end surface and the lower end surface of the rotary main body; the driving drill rod is connected with the driving pressure plate through a flange; the driving drill rod is connected with the external drill rod and the drill bit through pins.

2. The dual-power high-speed stirring drilling machine as claimed in claim 1, wherein the cross section of the driving drill rod is polygonal, and the cross section of the external drill rod is polygonal or circular.

3. The dual-power high-speed stirring drilling machine as claimed in claim 1, wherein the bearing pile frame main body is in a shape of a circular tube, the length of the bearing pile frame is greater than that of the external drill bit, and the length of the bearing pile frame is also greater than that of the drill bit.

4. The dual-power high-speed stirring drilling machine as recited in claim 1, wherein a fixed frame is welded to an end of the light pile frame main body, and a third driven gear and a fourth driven gear are symmetrically arranged on the fixed frame; the light pile frame main body is of a truss structure.

5. The dual-power high-speed stirring drilling machine as recited in claim 1, wherein the pressure plate clamping groove is semi-circular arc-shaped; and a plurality of external drill rods are connected between the driving drill rod and the drill bit.

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