CN113062691A

CN113062691A - Geothermal drilling device for geothermal energy power generation and using method

Info

Publication number: CN113062691A
Application number: CN202110460237.8A
Authority: CN
Inventors: 陈鹏; 张继; 安世泽; 杨明富; 刘文涛; 杨晓东; 蒲文斌; 钱康; ***
Original assignee: Sichuan Provincial Bureau Of Geological And Mineral Exploration Chengdu Hydrology And Geology Engineering Geological Team
Current assignee: The First Geological Brigade of Sichuan Province
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-07-02
Anticipated expiration: 2041-04-27
Also published as: CN113062691B

Abstract

The invention provides a geothermal drilling device for geothermal energy power generation and a using method thereof, and aims to solve the problems that the existing geothermal drilling device is inconvenient to accommodate travelling wheels, prick roots and stably park and prevent a drill bit from falling off during running. The invention has reasonable design, can drill deep, is convenient for the single drive to synchronously realize the functions of accommodating the walking wheels, stably parking the root and removing the anti-falling limit, is convenient for the single drive to synchronously realize the functions of moving the walking wheels out, removing the root from stable parking and preventing the drill from falling during running, greatly improves the stability of drilling work, realizes a mode of multifunctional mutual matching use by the single drive, does not need to separately set a drive additionally, leads to more integration and concentration and improves the long-term use benefit.

Description

Geothermal drilling device for geothermal energy power generation and using method

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a geothermal drilling device for geothermal energy power generation and a using method thereof.

Background

Geothermal energy is natural heat energy extracted by the earth crust, the energy comes from lava in the earth and exists in a thermal form, geothermal drilling is a drilling and well-forming technology for exploring and developing geothermal energy stored in the earth crust, detected high-temperature underground water and high-temperature steam formed by the high-temperature underground water can be used as geothermal energy for power generation, the geothermal energy is an environment-friendly power generation mode, the existing energy in the nature is reasonably utilized, the pollution of artificial manufacturing energy to the environment can be reduced, when the geothermal energy is used for power generation, a drilling device is required to be used for drilling the soil, and the effective geothermal energy is conveniently detected and utilized.

In order to drill the depth, most of the traditional geothermal drilling devices for geothermal energy power generation adopt a plurality of extension rods which can be spliced and fixed to match with a drill bit for drilling, and the traditional geothermal drilling devices mainly comprise a support, an electric telescopic rod, a driving motor, a plurality of extension rods which can be spliced and fixed to match with the drill bit, wherein the electric telescopic rod controls the driving motor and the drill bit to lift, the driving motor drives the drill bit to drill into the ground, and when the depth is not predicted, the extension rod is installed at the top of the drill bit and connected with an output shaft of the driving motor, and then the hole is continuously drilled so as to adapt to the deeper geothermal energy drilling work;

the existing geothermal drilling device for geothermal energy power generation is convenient for personnel to move, and mostly travelling wheels are arranged at the bottom of a drilling device bracket, so that some defects exist; 1. the universal wheel with the brake function has the defect that the travelling wheels are not convenient to store, and even the universal wheel with the brake function has a small contact friction area with the ground, so that a large displacement phenomenon is easy to occur due to factors such as mistaken collision and the like; 2. the drilling device has the defect that the whole device cannot be rooted and stably parked during drilling, and the risk of breaking a drill rod due to vibration displacement is high easily during drilling; 3. it lacks the function of anti-falling for the drill bit during the movement; the phenomenon that the drill bit moves downwards to collide with the ground and be damaged easily occurs when the tension of the electric telescopic rod to the drill bit is failed due to factors such as driving vibration and the like in the process that a person moves the device.

In order to solve the problems that a travelling wheel is inconvenient to store, a root is pricked and stably parked, and a drill bit is prevented from falling during travelling, a geothermal drilling device for geothermal energy power generation and a using method are provided, and the geothermal drilling device is used for solving the problems.

Disclosure of Invention

The geothermal drilling device for geothermal energy power generation and the use method thereof provided by the invention solve the problems that the travelling wheels are inconvenient to store, the roots are pricked and stably parked, and a drill bit is prevented from falling during running.

In order to achieve the purpose, the invention adopts the following technical scheme:

a geothermal drilling device for geothermal energy power generation comprises a driving motor and a drill bit arranged below the driving motor, wherein an extension drill string and a drill rod are arranged below the driving motor, the bottom end of the drill rod is fixedly connected with the top of the drill bit, the top end of the drill rod is movably contacted with the bottom end of the extension drill string, a base is arranged below the driving motor, a guide sleeve is embedded at the top of the base, the guide sleeve is movably sleeved on the drill rod, and fixing components are respectively arranged between an output shaft of the driving motor and the extension drill string and between the extension drill string and the drill rod;

two guide bars of top fixedly connected with of base, sliding sleeve are equipped with same U-shaped seat on two guide bars, and driving motor fixed mounting is on the bottom inner wall of U-shaped seat, and the same shape roof that returns of top fixedly connected with of two guide bars, and the top fixed mounting who returns the shape roof has multistage electric telescopic handle, and multistage electric telescopic handle's the end that stretches out extends to the below of returning the shape roof and with the top fixed connection of U-shaped seat, the top of base is provided with reinforcing steady stop mechanism, still be provided with on the base with reinforcing steady stop mechanism matched with drive gyro wheel receiving mechanism.

Preferably, the reinforcing and stabilizing mechanism comprises two support plates fixedly connected to the top of the base, two guide rods are positioned between the two support plates, the left side of the left support plate in the two support plates is fixedly connected with a U-shaped handle, the top of the support plate is fixedly connected with the bottom of the square-shaped top plate, the bottom of the support plate is provided with a rectangular groove, the top of the base is provided with two rectangular holes, a rectangular rod is sleeved in the rectangular groove in a sliding manner, the bottom end of the rectangular rod extends into the corresponding rectangular hole and is rotatably provided with a turntable, the bottom of the turntable is fixedly connected with an auger ground leaf, the bottom end of the auger ground leaf extends below the base, a first screw rod is rotatably arranged between the inner walls at two sides of the rectangular groove, the rectangular rod is sleeved on the corresponding first screw rod in a threaded manner, the top end of the turntable is fixedly connected with a square rod, the first screw rod is sleeved on the square rod, the chain wheels are connected with the same chain in a transmission mode, the extending end of the multi-stage electric telescopic rod is located on the rear side of the chain, a first motor is fixedly mounted on one side of the top of the square-shaped top plate, and the bottom end of an output shaft of the first motor extends into the square-shaped top plate and is fixedly connected with the top of the chain wheel located on the left side of the two chain wheels.

Preferably, the co-driving roller storage mechanism comprises two rectangular storage grooves formed in the bottom of the base, two rectangular holes are formed between the two rectangular storage grooves, a lifting plate is slidably mounted between the inner walls of the two sides of each rectangular storage groove, two traveling wheels are rotatably mounted at the bottom of the lifting plate, the bottoms of the traveling wheels extend to the lower side of the base, rectangular boxes with openings at the bottoms are fixedly connected to the bottoms of the sides of the two support plates far away from each other, openings are formed at the sides of the two rectangular boxes close to each other, vertical rods are fixedly connected to the tops of the lifting plate, the tops of the vertical rods extend into the corresponding rectangular boxes, four balls are nested in a rectangular manner at the sides of the two vertical rods far away from each other, the balls are in rolling contact with the inner walls of the corresponding rectangular boxes far away from the support plates, first racks are embedded at the sides of the two rectangular rods far away from each other, and second racks are embedded at, the gear is installed in the rotation between the front side inner wall of rectangle box and the rear side inner wall, and the gear engagement has all seted up the perforation on the one side inner wall that two rectangular channels kept away from each other between the first rack and the second rack that correspond, and the gear is located the perforation that corresponds and contactless with fenestrate inner wall.

Preferably, first round hole has been seted up at the top of base, and the outside fixed connection of the inner wall of first round hole and uide bushing, first screw hole has been seted up on the right side inner wall of uide bushing, and threaded sleeve is equipped with T shape and presses solid screw rod in the first screw hole, the right side that the solid screw rod was pressed to T shape extends to outside the uide bushing, the outside that the screw rod was pressed to T shape is a plurality of handle bars of equidistant fixedly connected with of annular, the second round hole has all been seted up to the top both sides of U-shaped seat, and the outer sliding connection of the inner wall of second round hole and the guide bar that corresponds, the third round hole has been seted up on the bottom inner wall of U-shaped seat, driving motor's output shaft is located the third round hole and does not contact.

Preferably, a fourth round hole is formed in the inner wall of the top of the rectangular groove, the first screw rod is located in the corresponding fourth round hole and is not in contact with the inner wall of the fourth round hole, a first bearing is fixedly connected between the inner walls of the two sides of the rectangular groove, two fifth round holes are formed in the inner wall of the bottom of the clip-shaped top plate, a second bearing is fixedly sleeved in each fifth round hole, the inner ring of each second bearing and the inner ring of each first bearing are both sleeved with the outer sides of the corresponding first screw rods in a welding mode, a square groove is formed in the bottom end of each first screw rod, and the inner wall of each square groove is connected with the outer sides of the corresponding square rods.

Preferably, the bottom of the rectangular rod is provided with a rotating groove, a third bearing is fixedly sleeved in the rotating groove, an inner ring of the third bearing is welded and sleeved with the outer side of the corresponding turntable, a second threaded hole is formed in the inner wall of the top of the rotating groove, and the second threaded hole is in threaded connection with the corresponding first screw rod.

Preferably, two T-shaped sliding rails are fixedly connected to the inner walls of the two sides of the rectangular accommodating groove, two T-shaped sliding grooves are formed in the two sides of the lifting plate, the tops of the two T-shaped sliding grooves and the bottoms of the two T-shaped sliding grooves are arranged for the opening, the T-shaped sliding grooves are connected with the corresponding T-shaped sliding rails in a sliding mode, a rectangular through hole is formed in the inner wall of the top of the rectangular accommodating groove, and the inner wall of the rectangular through hole is connected with the outer side of the corresponding vertical.

Preferably, the fixed axle is fixedly connected between the front side inner wall and the rear side inner wall of the rectangular box, a sixth round hole is formed in the front side of the gear, a fourth bearing is fixedly sleeved in the sixth round hole, an inner ring of the fourth bearing and the outer side of the corresponding fixed axle are fixedly sleeved, a third groove is formed in one side, close to each other, of the vertical rod and the corresponding rectangular rod, and the outer side of the first rack and the outer side of the second rack are fixedly connected with the inner wall of the corresponding third groove respectively.

Preferably, the support plate positioned on the left side can be further provided with a moving-in-process drill falling prevention mechanism matched with the reinforcing and stabilizing mechanism, the moving-in-process drill falling prevention mechanism comprises a rectangular pipe fixed on the right side of the support plate on the left side, the left end of the rectangular pipe is arranged to be a blocking structure, the right side of the rectangular rod positioned on the left side in the two rectangular rods is fixedly connected with a limiting block, the right side of the limiting block extends out of a corresponding rectangular groove, a rectangular anti-falling stop block is sleeved in the rectangular pipe in a sliding mode, the right side of the rectangular anti-falling stop block extends out of the rectangular pipe, the rectangular anti-falling stop block is positioned below the U-shaped seat and matched with the U-shaped seat, the left side of the rectangular anti-falling stop block is provided with a first groove, a spring is fixedly connected between the inner wall of the right side of the first groove and the inner wall of the, fixedly connected with flexible wire rope on the right side inner wall of first recess, and flexible wire rope's one end walk around the top of fixed pulley and with the top fixed connection of stopper, wherein lie in the spacing hole on the right side inner wall of left rectangular channel in two rectangular channels, the front side inner wall and the rear side inner wall in spacing hole are connected with the front side and the rear side sliding of stopper respectively.

The invention also provides a using method of the geothermal drilling device for geothermal energy power generation, which comprises the following steps:

s1: when the device is used, the device is moved to a detection area through the four travelling wheels, the rectangular anti-falling stop block is positioned below the U-shaped seat during movement, the rectangular anti-falling stop block shields and limits the U-shaped seat, the phenomenon that the U-shaped seat falls downwards due to factors such as vibration during movement is avoided, the U-shaped seat sequentially passes through the driving motor, the extension drill column and the drill rod to limit a drill bit, the drill bit is prevented from falling and colliding with the ground during movement to cause damage, and anti-falling protection of the drill bit during movement is realized;

s2: after the auger ground leaves move to the detection area and before drilling, the first motor is started in the forward direction, an output shaft of the first motor drives a left chain wheel to rotate, the left chain wheel drives a right chain wheel to rotate through a chain, the two chain wheels synchronously rotate and drive the two first screw rods to rotate, the first screw rods can drive the rectangular rods to slide downwards in the rectangular grooves when rotating in the corresponding second threaded holes, the rectangular rods drive the auger ground leaves to move downwards through the corresponding turntables, the turntables drive the corresponding square rods to slide downwards in the square grooves, the square rods are driven to rotate through the corresponding square grooves when rotating, the square rods drive the auger ground leaves to rotate through the corresponding turntables, and at the moment, the auger ground leaves are in a downward moving and rotating state;

s3: the rectangular rod in the S2 further drives the corresponding first rack to move downwards when moving downwards, the first rack drives the gear meshed with the first rack to rotate on the fixed shaft, the gear drives the second rack meshed with the gear to move upwards, the second rack drives the corresponding vertical rod to move upwards, the vertical rod drives the corresponding ball to roll on the inner wall of the rectangular box, the vertical rod drives the corresponding lifting plate to slide upwards on the T-shaped sliding rail, the vertical rod drives the corresponding two walking wheels to gradually move upwards to be stored in the rectangular storage groove, the four walking wheels are stored, the auger ground leaves which move downwards and rotate at the same time can downwards rotate to drill into the ground, the effect of fixing the root is achieved, and the device and the ground are fixed by root tying while the walking wheels are stored;

s4: when the rectangular rod in the S2 moves downwards, the rectangular rod on the left side also drives the limiting block to move downwards when moving downwards, the limiting block drives the soft steel wire rope to slide downwards on the top of the fixed pulley, the soft steel wire rope drives the rectangular anti-falling stop block to slide leftwards in the rectangular pipe and compress the spring, the rectangular anti-falling stop block is staggered leftwards with the bottom of the U-shaped seat, the limitation on the U-shaped seat and the drill bit is removed, and the limitation on the drill bit is synchronously removed when stably parking is realized;

s5: when drilling, a driving motor is started, the driving motor drives an extension drill string to rotate through a corresponding fixing component, the extension drill string drives a drill rod to rotate through a corresponding fixing component, the drill rod drives a drill bit to rotate, a multi-stage electric telescopic rod is started in a forward direction, an extending end of the multi-stage electric telescopic rod drives a U-shaped seat to slide downwards on two guide rods, the U-shaped seat drives the drill rod to move downwards in a guide sleeve sequentially through the driving motor and the extension drill string, the guide sleeve plays a role in vertically guiding the drill rod downwards, the drill rod drives the drill bit to move downwards, the drill bit is in a rotating and downwards moving state at the moment, and the rotating and downwards moving drill holes in the ground downwards;

s6: when drilling deep, the U-shaped seat moves down to a low position, the extension drill column moves down into the guide sleeve, the T-shaped pressing screw rod is rotated forward to enable the T-shaped pressing screw rod to move leftwards and extrude and lock the extension drill column, the extension drill column is detached from the bottom end of an output shaft of the driving motor through the fixing assembly, then the extension drill column with the same external specification is fixed between the top end of the corresponding extension drill column and the bottom end of the output shaft of the driving motor through the fixing assembly, downward drilling operation can be carried out again, and deep drilling is achieved.

Compared with the prior art, the invention has the beneficial effects that:

the invention has reasonable design, can drill deep, is convenient for the single drive to synchronously realize the functions of accommodating the walking wheels, stably parking the root and removing the anti-falling limit, is convenient for the single drive to synchronously realize the functions of moving the walking wheels out, removing the root from stable parking and preventing the drill from falling during running, greatly improves the stability of drilling work, realizes a mode of multifunctional mutual matching use by the single drive, does not need to separately set a drive additionally, leads to more integration and concentration and improves the long-term use benefit.

Drawings

Fig. 1 is a schematic structural view of a geothermal drilling apparatus for geothermal energy power generation according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

fig. 5 is a schematic structural view of a geothermal drilling apparatus for geothermal energy power generation according to a second embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of FIG. 5

Fig. 7 is an enlarged schematic view of a portion C in fig. 6.

In the figure: 100 driving motors, 101 drill bits, 102 drill rods, 103 extended drill strings, 104 guide sleeves, 105T-shaped press-fixing screw rods, 200 square fixture blocks, 201 square clamping grooves, 202T-shaped holes, 203 threaded grooves, 204T-shaped bolts, 1 base, 2 guide rods, 3U-shaped seats, 4 multi-stage electric telescopic rods, 5-turn-shaped top plates, 6 supporting plates, 7 rectangular grooves, 8 rectangular rods, 9 rectangular holes, 10 first screw rods, 11 chain wheels, 12 first motors and 13 rotating discs, 14 auger ground blades, 15 square rods, 16 second threaded holes, 17 square grooves, 18 rectangular boxes, 19 rectangular accommodating grooves, 20 lifting plates, 21 travelling wheels, 22 vertical rods, 23 ball bearings, 24 first racks, 25 through holes, 26 fixed shafts, 27 gears, 28 second racks, 29T-shaped sliding rails, 30 limiting blocks, 31 rectangular pipes, 32 rectangular anti-falling stoppers, 33 springs, 34 second grooves, 35 fixed pulleys, 36 flexible steel wire ropes and 37 chains.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1 to 4, the present embodiment provides a geothermal drilling device for geothermal energy power generation, which includes a driving motor 100 and a drill 101 disposed below the driving motor 100, an extension drill string 103 and a drill rod 102 are disposed below the driving motor 100, a bottom end of the drill rod 102 is fixedly connected to a top of the drill 101, a top end of the drill rod 102 is movably contacted with a bottom end of the extension drill string 103, a base 1 is disposed below the driving motor 100, a guide sleeve 104 is embedded at a top of the base 1, a first circular hole is formed at the top of the base 1, an inner wall of the first circular hole is fixedly connected to an outer side of the guide sleeve 104, a first threaded hole is formed on an inner wall of a right side of the guide sleeve 104, a T-shaped press-fixing screw 105 is threadedly sleeved on the first threaded hole, a right side of the T-shaped press-fixing screw 105 extends to the outer side of the guide sleeve 104, a plurality of handle, the guide sleeve 104 is movably sleeved on the drill rod 102, fixing components are respectively arranged between an output shaft of the driving motor 100 and the extension drill string 103 and between the extension drill string 103 and the drill rod 102 and comprise square clamping blocks 200 which are fixedly connected and arranged at the bottom ends of the output shaft of the driving motor 100 and the output shaft of the extension drill string 103, square clamping grooves 201 are respectively formed in the top end of the drill rod 102 and the top end of the extension drill string 103, the square clamping grooves 201 are clamped with the corresponding square clamping blocks 200, threaded grooves 203 are formed in the right sides of the square clamping blocks 200, T-shaped bolts 204 are sleeved on the internal threads of the threaded grooves 203, T-shaped holes 202 are respectively formed in the top portion of the right side of the extension drill string 103 and the top portion of the right side of the drill rod 102, internal threads are formed in the;

the top of the base 1 is fixedly connected with two guide rods 2, the two guide rods 2 are slidably sleeved with the same U-shaped seat 3, the two sides of the top of the U-shaped seat 3 are both provided with second round holes, the inner wall of the second round hole is connected with the outer side of the corresponding guide rod 2 in a sliding way, the driving motor 100 is fixedly arranged on the inner wall of the bottom of the U-shaped seat 3, a third round hole is arranged on the inner wall of the bottom of the U-shaped seat 3, the output shaft of the driving motor 100 is positioned in the third round hole and is not contacted with the inner wall of the third round hole, the top ends of the two guide rods 2 are fixedly connected with the same clip-shaped top plate 5, a multi-stage electric telescopic rod 4 is fixedly installed at the top of the square top plate 5, the extending end of the multi-stage electric telescopic rod 4 extends to the lower part of the square top plate 5 and is fixedly connected with the top of the U-shaped seat 3, a reinforced stabilizing mechanism is arranged at the top of the base 1, and a co-driven roller accommodating mechanism matched with the reinforced stabilizing mechanism is further arranged on the base 1;

the enhanced stable stopping mechanism comprises two supporting plates 6 fixedly connected to the top of a base 1, two guide rods 2 are positioned between the two supporting plates 6, the left side of the supporting plate 6 positioned on the left side in the two supporting plates 6 is fixedly connected with a U-shaped handle, the top of the supporting plate 6 is fixedly connected with the bottom of a square-shaped top plate 5, the bottom of the supporting plate 6 is provided with a rectangular groove 7, the top of the base 1 is provided with two rectangular holes 9, a rectangular rod 8 is sleeved in the rectangular groove 7 in a sliding manner, the bottom end of the rectangular rod 8 extends into the corresponding rectangular hole 9 and is rotatably provided with a turntable 13, the bottom end of the rectangular rod 8 is provided with a rotating groove, a third bearing is fixedly sleeved in the rotating groove, the inner ring of the third bearing is welded and sleeved with the outer side of the corresponding turntable 13, the bottom of the turntable 13 is fixedly connected with an auger ground vane 14, the bottom end of the auger ground vane 14 extends to, the rectangular rod 8 is sleeved on the corresponding first screw rod 10 in a threaded manner, a second threaded hole 16 is formed in the inner wall of the top of the rotating groove, the second threaded hole 16 is in threaded connection with the corresponding first screw rod 10, a square rod 15 is fixedly connected to the top end of the rotating disc 13, the first screw rod 10 is sleeved on the square rod 15 in a sliding manner, a square groove 17 is formed in the bottom end of the first screw rod 10, the inner wall of the square groove 17 is in sliding connection with the outer side of the corresponding square rod 15, the top end of the first screw rod 10 extends into the clip-shaped top plate 5 and is fixedly connected with a chain wheel 11, a fourth round hole is formed in the inner wall of the top of the rectangular groove 7, the first screw rod 10 is located in the corresponding fourth round hole and is not in contact with the inner wall of the fourth round hole, the fourth round hole is used for the first screw rod 10 to penetrate upwards, a first bearing is fixedly connected between the inner walls on two sides of, a second bearing is fixedly sleeved in the fifth round hole, the inner ring of the second bearing and the inner ring of the first bearing are welded and sleeved with the outer sides of the corresponding first screw rods 10, the two chain wheels 11 are in transmission connection with the same chain 37, the extending end of the multi-stage electric telescopic rod 4 is positioned at the rear side of the chain 37, one side of the top of the square-shaped top plate 5 is fixedly provided with a first motor 12, the bottom end of an output shaft of the first motor 12 extends into the square-shaped top plate 5 and is fixedly connected with the top of the chain wheel 11 positioned at the left side in the two chain wheels 11, the design of the embodiment is reasonable, deep drilling can be performed, the functions of accommodating the walking wheels 21 and stably parking the roots of the walking wheels 21 are conveniently and synchronously realized by single driving, the functions of moving out the walking wheels 21 and stably parking the roots of the walking wheels are conveniently and synchronously realized by, the driver does not need to be separately arranged additionally, so that the integration is more concentrated, and the long-term use benefit is improved.

In this embodiment, the co-driven roller storage mechanism includes two rectangular storage grooves 19 formed in the bottom of the base 1, two rectangular holes 9 are located between the two rectangular storage grooves 19, a lifting plate 20 is slidably mounted between the inner walls of the two sides of the rectangular storage grooves 19, two T-shaped sliding rails 29 are fixedly connected to the inner walls of the two sides of the rectangular storage grooves 19, two T-shaped sliding grooves with top and bottom openings are formed in the two sides of the lifting plate 20, the T-shaped sliding grooves are slidably connected to the corresponding T-shaped sliding rails 29, two traveling wheels 21 are rotatably mounted at the bottom of the lifting plate 20, the bottom of the traveling wheels 21 extends to the lower side of the base 1, rectangular boxes 18 with bottom openings are fixedly connected to the bottom of the side where the two supporting plates 6 are far away from each other, the side where the two rectangular boxes 18 are close to each other is provided with an opening, vertical rods 22 are fixedly connected to the top, the top end of the vertical rod 22 extends into the corresponding rectangular box 18, a rectangular through hole is formed in the inner wall of the top of the rectangular accommodating groove 19, the inner wall of the rectangular through hole is in sliding connection with the outer side of the corresponding vertical rod 22, the rectangular through hole is arranged to enable the vertical rod 22 to penetrate upwards, four balls 23 are nested in a rectangular manner on the side, away from each other, of the two vertical rods 22, the balls 23 are in rolling contact with the inner wall of the side, away from the supporting plate 6, of the corresponding rectangular box 18, a first rack 24 is embedded on the side, away from each other, of the two rectangular rods 8, a second rack 28 is embedded on the side, close to each other, of the two vertical rods 22, a third groove is formed in the side, close to each other, of the vertical rods 22 and the corresponding rectangular rods 8, the outer side of the first rack 24 and the outer side of the second rack 28 are respectively and fixedly connected with the inner wall of the corresponding third groove, and a, a fixed shaft 26 is fixedly connected between the front inner wall and the rear inner wall of the rectangular box 18, a sixth round hole is arranged at the front side of a gear 27, a fourth bearing is fixedly sleeved in the sixth round hole, the inner ring of the fourth bearing is fixedly sleeved with the outer side of the corresponding fixed shaft 26, the gear 27 is meshed between the corresponding first rack 24 and the second rack 28, through holes 25 are respectively formed in the inner walls of the two sides, away from each other, of the rectangular grooves 7, the gear 27 is positioned in the corresponding through hole 25 and is not in contact with the inner wall of the through hole 25, the design of the embodiment is reasonable, deep drilling can be realized, the functions of accommodating the walking wheels 21 and stably parking the walking wheels 21 can be synchronously realized by single drive, the functions of moving out the walking wheels 21 and stably parking the pricks can be synchronously realized by the single drive, the stability of drilling work is greatly improved, the mode of mutually matching and using the single drive is realized, and the drive does, the integration is more concentrated, and the long-term use benefit is improved.

The embodiment also provides a use method of the geothermal drilling device for geothermal energy power generation, which comprises the following steps:

s1: when in use, the device is moved to a detection area through the four travelling wheels 21;

s2: after the detection area is moved, before drilling, the first motor 12 is started in the forward direction, the output shaft of the first motor 12 drives the left chain wheel 11 to rotate, the left chain wheel 11 drives the right chain wheel 11 to rotate through the chain 37, the two chain wheels 11 synchronously rotate and drive the two first screw rods 10 to rotate, the first screw rods 10 drive the rectangular rods 8 to slide downwards in the rectangular grooves 7 when rotating in the corresponding second threaded holes 16, the rectangular rods 8 drive the auger leaves 14 to move downwards through the corresponding rotary discs 13, the rotary discs 13 drive the corresponding square rods 15 to slide downwards in the square grooves 17, the square rods 15 also drive the square rods 15 to rotate through the corresponding square grooves 17 when rotating the first screw rods 10, the square rods 15 drive the auger leaves 14 to rotate through the corresponding rotary discs 13, and at the moment, the auger leaves 14 move downwards and rotate;

s3: when the rectangular rod 8 in S2 moves downwards, the corresponding first rack 24 is driven to move downwards, the first rack 24 drives the gear 27 engaged with the first rack to rotate on the fixed shaft 26, the gear 27 drives the second rack 28 engaged with the second rack to move upwards, the second rack 28 drives the corresponding vertical rod 22 to move upwards, the vertical rod 22 drives the corresponding ball 23 to roll on the inner wall of the rectangular box 18, the vertical rod 22 drives the corresponding lifting plate 20 to slide upwards on the T-shaped sliding rail 29, the vertical rod 22 drives the corresponding two walking wheels 21 to gradually move upwards and be accommodated in the rectangular accommodating groove 19, so as to accommodate the four walking wheels 21, and the auger ground 14 which moves downwards and rotates can rotate downwards to drill into the ground to play a role of fixing the ground, so as to fix the device and the ground while accommodating the walking wheels 21, at this time, the base 1 cooperates with the two auger ground 14 to support at the bottom, the supporting area is increased while the root is fixed, the parking stability is improved, similarly, when the walking wheel 21 needs to be moved out after the follow-up work is finished, the first motor 12 is started reversely, the movement direction of the first motor 12 is opposite to the forward direction at the moment, the auger ground blade 14 is changed into rotation and upward return movement, at the moment, the lifting plate 20 is changed into downward return movement and drives the walking wheel 21 to move out downwards, the walking wheel can be moved continuously, and the functions of accommodating the walking wheel and stably stopping the root can be synchronously realized by single driving;

s4: during drilling, the driving motor 100 is started, the driving motor 100 drives the extension drill string 103 to rotate through the square fixture block 200 on the corresponding fixing component, the extension drill string 103 drives the drill rod 102 to rotate through the square fixture block 200 on the corresponding fixing component, the drill rod 102 drives the drill bit 101 to rotate, the multi-stage electric telescopic rod 4 is started in the forward direction, the extending end of the multi-stage electric telescopic rod 4 drives the U-shaped seat 3 to slide downwards on the two guide rods 2, the U-shaped seat 3 drives the drill rod 102 to move downwards in the guide sleeve 104 sequentially through the driving motor 100 and the extension drill string 103, the guide sleeve 104 plays a role in guiding the drill rod 102 downwards and vertically, the drill bit 102 drives the drill bit 101 to move downwards, at the moment, the drill bit 101 is in a rotating and downwards moving state, and the drill bit 101 which rotates;

s6: when drilling deep, after the U-shaped seat 3 moves down to the low position, the extension drill string 103 moves down to the guide sleeve 104, the T-shaped press-fixing screw 105 is rotated forward to make the extension drill string 103 move leftwards and extrude and lock the extension drill string 103, the extension drill string 103 is detached from the bottom end of the output shaft of the driving motor 100 through the fixing component, and the detaching mode is as follows: reverse rotation prolongs T shape bolt 204 on drilling string 103 and makes its separation with corresponding thread groove 203 right, remove the restriction to square fixture block 200 on driving motor 100, reverse start multistage electric telescopic handle 4 makes it drive U-shaped seat 3 rebound this moment, U-shaped seat 3 drives driving motor 100 rebound, driving motor 100 drives corresponding square fixture block 200 upwards and separates with square fixture groove 201, then utilize fixed subassembly to fix outside extension drilling string 103 with the specification between the top of corresponding extension drilling string 103 and driving motor 100's output shaft bottom, fixed concrete mode is: at the moment, the extension drill string 103 with the same external specification is adopted, the square clamping block 200 at the bottom of the extension drill string 103 with the same specification is inserted into the square clamping groove 201 and then locked by the T-shaped bolt 204, the square clamping groove 201 at the top end of the extension drill string 103 with the same specification is clamped and sleeved on the square clamping block 200 on the driving motor 100, the square clamping block 200 on the driving motor 100 is locked by the T-shaped bolt 204, downward drilling operation can be carried out again, and deep drilling is achieved.

Example two

Referring to fig. 5 to 7, the present embodiment is different from the first embodiment in that: the support plate 6 positioned on the left side is also provided with a movement-preventing drill bit falling mechanism matched with the reinforcing and stabilizing mechanism, the movement-preventing drill bit falling mechanism comprises a rectangular pipe 31 fixed on the right side of the support plate 6 on the left side, the left end of the rectangular pipe 31 is arranged to be a blocking structure, the right side of the rectangular rod 8 positioned on the left side in the two rectangular rods 8 is fixedly connected with a limiting block 30, the right side of the limiting block 30 extends out of the corresponding rectangular groove 7, a rectangular anti-falling stop block 32 is sleeved in the rectangular pipe 31 in a sliding manner, the right side of the rectangular anti-falling stop block 32 extends out of the rectangular pipe 31, the rectangular anti-falling stop block 32 is positioned below the U-shaped seat 3 and is matched with the U-shaped seat 3, the left side of the rectangular anti-falling stop block 32 is provided with a first groove, a spring 33 is fixedly connected between the inner wall of the right side of the, the fixed pulley 35 is rotatably installed on the inner wall of the top of the second groove 34, the soft steel wire rope 36 is fixedly connected to the inner wall of the right side of the first groove, one end of the soft steel wire rope 36 bypasses the top of the fixed pulley 35 and is fixedly connected with the top of the limiting block 30, a limiting hole is formed in the inner wall of the right side of the rectangular groove 7 positioned on the left side in the two rectangular grooves 7, and the inner wall of the front side and the inner wall of the rear side of the limiting hole are respectively and movably connected with the front side and the rear side of the limiting block 30. the embodiment has reasonable design, can drill deep parts, is convenient for single drive to synchronously realize the functions of accommodating the walking wheels 21, stably parking the prick roots and removing the anti-falling limit, is convenient for single drive to synchronously realize the functions of moving out the walking wheels 21, removing the prick roots and stably stopping and preventing the drill bits from falling during running, the driver does not need to be separately arranged additionally, so that the integration is more concentrated, and the long-term use benefit is improved.

s1: when the device is used, the device is moved to a detection area through the four travelling wheels 21, the rectangular anti-falling stopper 32 is positioned below the U-shaped seat 3 during movement, the rectangular anti-falling stopper 32 shields and limits the U-shaped seat 3, the phenomenon that the U-shaped seat 3 falls downwards due to factors such as vibration during movement is avoided, the U-shaped seat 3 sequentially passes through the driving motor 100, the extension drill string 103 and the drill rod 102 to limit the drill bit 101, the drill bit 101 is prevented from falling and colliding with the ground during movement to cause damage, and anti-falling protection of the drill bit 101 during movement is realized;

s3: when the rectangular rod 8 in S2 moves downwards, the corresponding first rack 24 is driven to move downwards, the first rack 24 drives the gear 27 engaged with the first rack to rotate on the fixed shaft 26, the gear 27 drives the second rack 28 engaged with the second rack to move upwards, the second rack 28 drives the corresponding vertical rod 22 to move upwards, the vertical rod 22 drives the corresponding ball 23 to roll on the inner wall of the rectangular box 18, the vertical rod 22 drives the corresponding lifting plate 20 to slide upwards on the T-shaped sliding rail 29, the vertical rod 22 drives the corresponding two walking wheels 21 to gradually move upwards and be accommodated in the rectangular accommodating groove 19, so as to accommodate the four walking wheels 21, and the auger ground 14 which moves downwards and rotates can rotate downwards to drill into the ground to play a role of fixing the ground, so as to fix the device and the ground while accommodating the walking wheels 21, at this time, the base 1 cooperates with the two auger ground 14 to support at the bottom, the supporting area is increased while the root is fixed, the parking stability is improved, similarly, when the walking wheel 21 needs to be moved out after the follow-up work is finished, the first motor 12 is started reversely, the movement direction of the first motor 12 is opposite to the movement direction of the first motor 12 which is started forwardly, the spiral drill ground blade 14 is changed into rotation and upward return movement, the lifting plate 20 is changed into downward return movement and drives the walking wheel 21 to move out downwards, and then the movement can be continued;

s4: when the rectangular rod 8 in S2 moves downwards, the left rectangular rod 8 also drives the limiting block 30 to move downwards, the limiting block 30 drives the flexible steel wire rope 36 to slide downwards on the top of the fixed pulley 35, the flexible steel wire rope 36 drives the rectangular anti-falling block 32 to slide leftwards in the rectangular tube 31 and compress the spring 33, the rectangular anti-falling block 32 is staggered leftwards with the bottom of the U-shaped seat 3, the limitation on the U-shaped seat 3 and the drill bit 101 is removed, the limitation on the drill bit 101 is synchronously removed when the parking is stable, similarly, when the rectangular rod 8 moves again after the follow-up work is finished, the first motor 12 is started reversely, the motion direction of the forward start driving motor 12 is completely opposite, the rectangular rod 8 is changed to move backwards upwards and drives the limiting block 30 to move upwards, the limiting block 30 releases the pulling force on the flexible steel wire rope 36 upwards, the elasticity of the spring 33 in the compressed state drives the rectangular anti-falling block 32 to move backwards and reset rightwards, the limiting function can be automatically realized again during moving, and the functions of moving out the travelling wheels, relieving root-tying stability and preventing falling of a drill bit can be synchronously realized by single drive;

s5: during drilling, the driving motor 100 is started, the driving motor 100 drives the extension drill string 103 to rotate through the square fixture block 200 on the corresponding fixing component, the extension drill string 103 drives the drill rod 102 to rotate through the square fixture block 200 on the corresponding fixing component, the drill rod 102 drives the drill bit 101 to rotate, the multi-stage electric telescopic rod 4 is started in the forward direction, the extending end of the multi-stage electric telescopic rod 4 drives the U-shaped seat 3 to slide downwards on the two guide rods 2, the U-shaped seat 3 drives the drill rod 102 to move downwards in the guide sleeve 104 sequentially through the driving motor 100 and the extension drill string 103, the guide sleeve 104 plays a role in guiding the drill rod 102 downwards and vertically, the drill bit 102 drives the drill bit 101 to move downwards, at the moment, the drill bit 101 is in a rotating and downwards moving state, and the drill bit 101 which rotates;

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The geothermal drilling device for geothermal energy power generation comprises a driving motor (100) and a drill bit (101) arranged below the driving motor (100), and is characterized in that an extension drill string (103) and a drill rod (102) are arranged below the driving motor (100), the bottom end of the drill rod (102) is fixedly connected with the top of the drill bit (101), the top end of the drill rod (102) is movably contacted with the bottom end of the extension drill string (103), a base (1) is arranged below the driving motor (100), a guide sleeve (104) is embedded in the top of the base (1), the guide sleeve (104) is movably sleeved on the drill rod (102), and fixing components are respectively arranged between an output shaft of the driving motor (100) and the extension drill string (103) and between the extension drill string (103) and the drill rod (102);

two guide bars (2) of top fixedly connected with of base (1), sliding sleeve is equipped with same U-shaped seat (3) on two guide bars (2), driving motor (100) fixed mounting is on the bottom inner wall of U-shaped seat (3), the same shape roof (5) of returning of top fixedly connected with of two guide bars (2), and the top fixed mounting who returns shape roof (5) has multistage electric telescopic handle (4), the end that stretches out of multistage electric telescopic handle (4) extend to the below of returning shape roof (5) and with the top fixed connection of U-shaped seat (3), the top of base (1) is provided with the reinforcing and steadily stops the mechanism, still be provided with on base (1) and steadily stop the mechanism matched with the gyro wheel receiving mechanism that drives with the reinforcing.

2. The geothermal drilling device for geothermal energy power generation according to claim 1, wherein the reinforcing and stabilizing mechanism comprises two support plates (6) fixedly connected to the top of the base (1), two guide rods (2) are arranged between the two support plates (6), a U-shaped handle is fixedly connected to the left side of the support plate (6) on the left side of the two support plates (6), the top of the support plate (6) is fixedly connected with the bottom of the square top plate (5), a rectangular groove (7) is formed in the bottom of the support plate (6), two rectangular holes (9) are formed in the top of the base (1), a rectangular rod (8) is sleeved in the rectangular groove (7) in a sliding manner, the bottom end of the rectangular rod (8) extends into the corresponding rectangular hole (9) and is rotatably provided with a turntable (13), and an auger ground vane (14) is fixedly connected to the bottom of the turntable (13), the bottom end of the spiral drilling ground blade (14) extends to the lower part of the base (1), a first screw rod (10) is rotatably arranged between the inner walls of the two sides of the rectangular groove (7), the rectangular rod (8) is sleeved on the corresponding first screw rod (10) in a threaded manner, the top end of the rotary table (13) is fixedly connected with a square rod (15), the first screw rod (10) is sleeved on the square rod (15) in a sliding manner, the top end of the first screw rod (10) extends into the square top plate (5) and is fixedly connected with chain wheels (11), the two chain wheels (11) are connected with the same chain (37) in a transmission manner, the extending end of the multi-stage electric telescopic rod (4) is positioned at the rear side of the chain (37), and one side of the top part of the square top plate (5) is fixedly, and the bottom end of an output shaft of the first motor (12) extends into the square top plate (5) and is fixedly connected with the top of the chain wheel (11) positioned on the left side in the two chain wheels (11).

3. The geothermal drilling device for geothermal energy power generation according to claim 1, wherein the co-driven roller receiving mechanism comprises two rectangular receiving grooves (19) formed in the bottom of the base (1), two rectangular holes (9) are formed between the two rectangular receiving grooves (19), a lifting plate (20) is slidably mounted between the inner walls of the two sides of each rectangular receiving groove (19), two traveling wheels (21) are rotatably mounted at the bottom of each lifting plate (20), the bottoms of the traveling wheels (21) extend to the lower side of the base (1), rectangular boxes (18) with openings at the bottoms are fixedly connected to the bottoms of the sides of the two support plates (6) far away from each other, openings are formed in the sides of the two rectangular boxes (18) close to each other, vertical rods (22) are fixedly connected to the tops of the lifting plates (20), and the top ends of the vertical rods (22) extend into the corresponding rectangular boxes (18), one side that two montants (22) kept away from each other all is the rectangle nested four ball (23), and ball (23) and the rectangle box (18) that corresponds keep away from one side inner wall rolling contact of backup pad (6), one side that two rectangle poles (8) kept away from each other all inlays and is equipped with first rack (24), one side that two montants (22) are close to each other all inlays and is equipped with second rack (28), rotate between the front side inner wall of rectangle box (18) and the rear side inner wall and install gear (27), gear (27) meshing is between first rack (24) and second rack (28) that correspond, perforation (25) have all been seted up on the one side inner wall that two rectangular channel (7) kept away from each other, gear (27) are located corresponding perforation (25) and with the inner wall contactless of perforation (25).

4. The geothermal drilling device for geothermal energy power generation according to claim 1, wherein the top of the base (1) is provided with a first round hole, the inner wall of the first round hole is fixedly connected with the outer side of the guide sleeve (104), the inner wall of the right side of the guide sleeve (104) is provided with a first threaded hole, and the internal thread of the first threaded hole is sleeved with a T-shaped pressing and fixing screw rod (105), the right side of the T-shaped pressing and fixing screw rod (105) extends to the outside of the guide sleeve (104), the outer side of the T-shaped pressing and fixing screw rod (105) is fixedly connected with a plurality of handle rods in an annular shape at equal intervals, the two sides of the top of the U-shaped seat (3) are both provided with second round holes, and the inner wall of the second round hole is connected with the outer side of the corresponding guide rod (2) in a sliding manner, a third round hole is formed in the inner wall of the bottom of the U-shaped seat (3), and the output shaft of the driving motor (100) is located in the third round hole and is not in contact with the inner wall of the third round hole.

5. The geothermal drilling device for geothermal energy power generation according to claim 2, wherein a fourth circular hole is formed in the inner wall of the top of the rectangular groove (7), the first screw (10) is located in the corresponding fourth circular hole and is not in contact with the inner wall of the fourth circular hole, a first bearing is fixedly connected between the inner walls of two sides of the rectangular groove (7), two fifth circular holes are formed in the inner wall of the bottom of the square top plate (5), a second bearing is fixedly sleeved in the fifth circular holes, the inner ring of the second bearing and the inner ring of the first bearing are welded and sleeved with the outer side of the corresponding first screw (10), a square groove (17) is formed in the bottom end of the first screw (10), and the inner wall of the square groove (17) is in sliding connection with the outer side of the corresponding square rod (15).

6. The geothermal drilling device for geothermal energy power generation according to claim 2, wherein the bottom end of the rectangular rod (8) is provided with a rotating groove, a third bearing is fixedly sleeved in the rotating groove, an inner ring of the third bearing is welded and sleeved with the outer side of the corresponding rotating disc (13), a second threaded hole (16) is formed in the inner wall of the top of the rotating groove, and the second threaded hole (16) is in threaded connection with the corresponding first screw (10).

7. The geothermal drilling device for geothermal energy power generation according to claim 3, wherein two T-shaped sliding rails (29) are fixedly connected to inner walls of two sides of the rectangular accommodating groove (19), two T-shaped sliding grooves with top and bottom being provided for opening are respectively formed in two sides of the lifting plate (20), the T-shaped sliding grooves are slidably connected with the corresponding T-shaped sliding rails (29), a rectangular through hole is formed in an inner wall of the top of the rectangular accommodating groove (19), and an inner wall of the rectangular through hole is slidably connected with an outer side of the corresponding vertical rod (22).

8. The geothermal drilling device for geothermal energy power generation according to claim 3, wherein a fixed shaft (26) is fixedly connected between the front side inner wall and the rear side inner wall of the rectangular box (18), a sixth round hole is formed in the front side of the gear (27), a fourth bearing is fixedly sleeved in the sixth round hole, an inner ring of the fourth bearing is fixedly sleeved with the outer side of the corresponding fixed shaft (26), third grooves are formed in the side, close to each other, of the vertical rod (22) and the corresponding rectangular rod (8), and the outer side of the first rack (24) and the outer side of the second rack (28) are fixedly connected with the inner wall of the corresponding third groove respectively.

9. The geothermal drilling device for geothermal energy power generation according to claim 2, wherein a movement-preventing drill falling mechanism matched with the reinforcing and stabilizing mechanism can be further arranged on the support plate (6) on the left side, the movement-preventing drill falling mechanism comprises a rectangular pipe (31) fixed on the right side of the support plate (6) on the left side, the left end of the rectangular pipe (31) is provided with a blocking structure, a limiting block (30) is fixedly connected to the right side of the rectangular rod (8) on the left side in the two rectangular rods (8), the right side of the limiting block (30) extends out of the corresponding rectangular groove (7), a rectangular anti-falling block (32) is sleeved in the rectangular pipe (31) in a sliding manner, the right side of the rectangular anti-falling block (32) extends out of the rectangular pipe (31), the rectangular anti-falling block (32) is positioned below the U-shaped seat (3) and matched with the U-shaped seat (3), first recess has been seted up in the left side that the dog (32) was prevented weighing down to the rectangle, fixedly connected with spring (33) between the right side inner wall of first recess and the left end inner wall of rectangular pipe (31), second recess (34) that the bottom set up for the opening are seted up to the left end of rectangular pipe (31), rotate on the top inner wall of second recess (34) and install fixed pulley (35), fixedly connected with soft wire rope (36) on the right side inner wall of first recess, and the top of fixed pulley (35) is walked around to the one end of soft wire rope (36) and with the top fixed connection of stopper (30), wherein seted up spacing hole on the right side inner wall that lies in left rectangular channel (7) in two rectangular channels (7), the front side inner wall and the rear side inner wall in spacing hole slide connection with the front side and the rear side of stopper (30) respectively.

10. A method of using a geothermal drilling apparatus for geothermal power generation, comprising the steps of:

s1: when the device is used, the device is moved to a detection area through the four travelling wheels (21), the rectangular anti-falling stop block (32) is located below the U-shaped seat (3) during movement, the rectangular anti-falling stop block (32) shields and limits the U-shaped seat (3), the U-shaped seat (3) is prevented from falling downwards due to factors such as vibration during movement, and the U-shaped seat (3) sequentially passes through the driving motor (100), the extension drill string (103) and the drill rod (102) to limit the drill bit (101) to prevent falling;

s2: after the square ground auger is moved to a detection area and before drilling, a first motor (12) is started in a forward direction, an output shaft of the first motor (12) drives a chain wheel (11) on the left side to rotate, the chain wheel (11) on the left side drives a chain wheel (11) on the right side to rotate through a chain (37), the two chain wheels (11) synchronously rotate and drive two first screw rods (10) to rotate, the first screw rods (10) can drive rectangular rods (8) to downwards slide in rectangular grooves (7) when rotating in corresponding second threaded holes (16), the rectangular rods (8) drive auger ground vanes (14) to downwards move through corresponding rotary discs (13), the rotary discs (13) drive corresponding square rods (15) to downwards slide in the square grooves (17), the first screw rods (10) also drive the square rods (15) to rotate through corresponding square grooves (17), and the square rods (15) drive the auger ground vanes (14) to rotate through corresponding rotary discs (13), at the moment, the auger ground blade (14) is in a downward moving and rotating state;

s3: when the rectangular rod (8) moves downwards in the S2, the corresponding first rack (24) is driven to move downwards, the first rack (24) drives the gear (27) meshed with the first rack to rotate on the fixed shaft (26), the gear (27) drives the second rack (28) meshed with the gear to move upwards, the second rack (28) drives the corresponding vertical rod (22) to move upwards, the vertical rod (22) drives the corresponding ball (23) to roll on the inner wall of the rectangular box (18), the vertical rod (22) drives the corresponding lifting plate (20) to slide upwards on the T-shaped sliding rail (29), the vertical rod (22) drives the corresponding two traveling wheels (21) to gradually move upwards to be accommodated in the rectangular accommodating groove (19), and the auger ground leaves (14) which move downwards and rotate can simultaneously downwards to drill into the ground surface to fix the ground roots;

s4: when the rectangular rod (8) moves downwards in the S2, the rectangular rod (8) on the left side also drives the limiting block (30) to move downwards when moving downwards, the limiting block (30) drives the flexible steel wire rope (36) to slide downwards at the top of the fixed pulley (35), the flexible steel wire rope (36) drives the rectangular anti-falling block (32) to slide leftwards in the rectangular pipe (31) and compress the spring (33), the rectangular anti-falling block (32) is staggered with the bottom of the U-shaped seat (3) leftwards, and the limitation on the U-shaped seat (3) and the drill bit (101) is removed;

s5: during drilling, the driving motor (100) is started, the driving motor (100) drives the extension drill string (103) to rotate through the corresponding fixing component, the extension drill string (103) drives the drill rod (102) to rotate through the corresponding fixing component, the drill rod (102) drives the drill bit (101) to rotate, the multi-stage electric telescopic rod (4) is started in the forward direction, the extending end of the multi-stage electric telescopic rod (4) drives the U-shaped seat (3) to slide downwards on the two guide rods (2), the U-shaped seat (3) drives the drill rod (102) to move downwards in the guide sleeve (104) sequentially through the driving motor (100) and the extension drill string (103), the guide sleeve (104) guides the drill rod (102) downwards vertically, the drill rod (102) drives the drill bit (101) to move downwards, at the moment, the drill bit (101) is in a rotating and downward moving state, and the rotating and downward moving drill bit (101) drills holes downwards gradually on;

s6: when drilling deep is needed, after the U-shaped seat (3) moves downwards to a low position, the extension drill string (103) moves downwards into the guide sleeve (104), the T-shaped pressing and fixing screw rod (105) is rotated forwards to enable the T-shaped pressing and fixing screw rod to move leftwards and extrude and lock the extension drill string (103), the extension drill string (103) is detached from the bottom end of the output shaft of the driving motor (100) through the fixing component, then the extension drill string (103) with the same external specification is fixed between the top end of the corresponding extension drill string (103) and the bottom end of the output shaft of the driving motor (100) through the fixing component, and downward drilling operation is conducted again.