Drilling device and drilling method for geotechnical engineering

Abstract

The present invention discloses a drilling device and a drilling method for geotechnical engineering, including a driving structure and a drilling production structure, wherein the drilling production structure is rotatably connected at the lower end of the driving structure, the driving structure includes a protective stand, a first connecting groove ring, a stable support frame and a second connecting groove ring, the lower end of the protective stand is fixedly connected with the first connecting groove ring, the lower end of the first connecting groove ring is fixedly connected with the stable support frame, the lower end of the stable support frame is fixedly connected with the second connecting groove ring, the driving structure also includes a belt, a driven connecting component, a grid plate, a first motor and a transmission shaft, the first motor is fixedly connected at the center of the grid plate, the upper end of the first motor is fixedly connected with the transmission shaft, and the top of the transmission shaft is sleeved with a belt. The present invention is a drilling device and a drilling method for geotechnical engineering, and the purpose of drilling production is achieved by setting the driving structure and the drilling production structure.

Description

Technical Field

[0001] The invention relates to the technical field of geotechnical engineering equipment, and in particular to a drilling device and a drilling method for geotechnical engineering. Background Art

[0002] The drilling device for geotechnical engineering realizes geological drilling work and efficient drilling operations through structural settings, which is helpful for the construction and production of various pile foundations, facilitates engineering construction work, and contributes to the overall construction production.

[0003] According to Chinese patent number CN202121404803.5, the utility model relates to a drilling device for geotechnical engineering, including a fixed column body, a fixed frame body and a fixed plate, the upper surface of the fixed plate is fixedly connected to two fixed blocks, the two fixed blocks are fixedly connected to the inside of the bearings, the inside of the bearings is fixedly connected to a rotating rod rotatably connected to the bearings, one end of the rotating rod is fixedly connected to a downward pressing slider, and the surface of the fixed plate is provided with a mounting hole. The drilling device for geotechnical engineering described in the utility model is easy to adjust, can be easily fixed when drilling steep rock and soil, is easy to drill rock and soil, and improves work efficiency.

[0004] According to Chinese patent number CN202020928991.0, the utility model discloses a drilling device for geotechnical engineering, which relates to the technical field of geotechnical engineering. The utility model includes a base, a mounting plate is fixed on the left side of the upper end of the base, a second motor is arranged on the upper end of the placement plate, a main gear is fixed to the rear end of the second motor, a progressive plate is arranged on the left end of the main gear, a connecting plate is fixed on the lower side of the left end of the progressive plate, a mounting ring is fixed on the left end of the connecting plate, a drill rod is arranged inside the mounting ring, a top plate is arranged above the drill rod, a first motor is fixed on the upper end of the top plate, a movable plate is fixed to the front and rear ends of the mounting ring, a limited position frame is fixed to the left side of the mounting plate in front and behind the first motor, and a limited position slot is provided at one end of the limited position frame corresponding to the movable plate. The utility model solves the problems of inconvenient operation and insufficient stability in the existing drilling device for geotechnical engineering by arranging a progressive plate, a main gear, a second motor, a first motor, a limit frame, a limit slot, a mounting ring and a movable plate.

[0005] However, the existing drilling devices for geotechnical engineering are not convenient for integrated impact-drilling production work, are not conducive to extrusion-type drilling production work, and will cause certain inconveniences. At the same time, it is also inconvenient to perform automatic rate adjustment work, and needs to be improved. Summary of the invention

[0006] The object of the present invention is to provide a drilling device and a drilling method for geotechnical engineering to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drilling device for geotechnical engineering, comprising a driving structure and a drilling production structure, wherein the lower end position of the driving structure is rotatably connected with the drilling production structure, the driving structure comprises a protective stand, a first connecting groove ring, a stable support frame and a second connecting groove ring, the lower end position of the protective stand is fixedly connected with the first connecting groove ring, the lower end position of the first connecting groove ring is fixedly connected with the stable support frame, the lower end position of the stable support frame is fixedly connected with the second connecting groove ring, the driving structure also comprises a belt, a driven connecting component, a grille plate, a first motor and a transmission shaft, the first motor is fixedly connected at the center position of the grille plate, The upper end of the first motor is fixedly connected to a transmission shaft, a belt is sleeved on the top of the transmission shaft, and the other end of the belt is sleeved on a driven connecting component. The drilling production structure includes a first protective plate, a mounting frame, a second protective plate, an extrusion bearing seat and an extrusion connecting component. The lower end of the first protective plate is fixedly sleeved with the second protective plate, the center of the second protective plate is fixedly connected to the mounting frame, the side end of the mounting frame is fixedly installed with an extrusion connecting component, and the bottom end of the extrusion connecting component is in contact with the extrusion bearing seat. The drilling production structure also includes a drill rod and a drill bit. The lower end of the extrusion bearing seat is fixedly connected to the drill rod, and the bottom end of the drill rod is fixedly connected to the drill bit.

[0008] Preferably, the extrusion bearing seat is fixedly connected to the first protective plate, the mounting frame, and the second protective plate, and is fixedly connected to the drill rod and the drill bit through the extrusion bearing seat, and the top of the first protective plate is fixedly connected to the driven connecting component.

[0009] Preferably, the driven connecting component includes a driven wheel, a stabilizing plate frame, an adjusting limit slide frame, a connecting driving disk, a conical disk frame, a movable adjusting rod, a supporting groove frame, a threaded rod, a first driving motor, an adjusting ring rod, a matching disk, a buffer pad frame and a rotating shaft sleeve plate, the lower end of the driven wheel is sleeved with a stabilizing plate frame, the bottom of the driven wheel is fixedly connected with the adjusting limit slide frame, the lower end of the adjusting limit slide frame is limitedly and slidably connected with the connecting driving disk, the lower end of the connecting driving disk is fixedly connected with the buffer pad frame, the lower end of the buffer pad frame is fixedly connected with the matching disk, the lower end of the matching disk is sleeved with the adjusting ring rod, the rear end of the adjusting ring rod is fixedly connected with the rotating shaft sleeve plate, the side end bottom position of the adjusting ring rod is fixedly connected with the movable adjusting rod, the lower end position of the adjusting ring rod is fixedly connected with the conical disk frame, the lower end of the movable adjusting rod is slidably arranged with the supporting groove frame, the center of the supporting groove frame is threadedly connected with the threaded rod, and the first driving motor is installed at the side end position of the threaded rod.

[0010] Preferably, the conical disc rack is arranged in a conical structure, and the lower end of the conical disc rack is fixedly connected to the first protective disc.

[0011] Preferably, the extrusion connection component includes a second motor, a derivation impact disk, a first hinge and a second hinge, the side end of the second motor is fixedly connected to the first hinge, the upper end of the first hinge is hinged to the second hinge, and the bottom end of the second hinge is hinged to the derivation impact disk.

[0012] Preferably, the center position of the derivation impact disk is slidably limited with the mounting frame, and the derivation impact disk is extrusion-connected with the extrusion bearing seat.

[0013] Preferably, the second motor is fixedly mounted at the center of the mounting frame, and the extruded connecting component is integrally rotated and connected with the drilling production structure.

[0014] Preferably, the bottom end of the driving structure is fixedly connected to an adjusting upright pole, the bottom end of the adjusting upright pole is rotatably connected to a limited connection chassis, the side ends of the limited connection chassis are fixedly connected by connecting bolts, a second driving motor is installed at the four corners of the limited connection chassis, the lower end of the second driving motor is fixedly connected to a first gear disc, the side end of the first gear disc is meshingly connected to a second gear disc, and the lower end of the second gear disc is fixedly connected to a corner wall guard frame.

[0015] A drilling method for a drilling device used in geotechnical engineering

[0016] S1. Connect and combine the driving structure and the drilling production structure to achieve an overall combination, so as to facilitate the positioning drilling work;

[0017] S2, by driving the first driving motor to adjust, the speed and precise position can be controlled, and the matching disk, the buffer pad frame, and the connecting driving disk are driven by the adjusting ring rod to adjust on the adjusting limit slide frame to change the position, thereby controlling the transmission efficiency;

[0018] S3, driving the first motor, the first motor drives the belt to rotate, acts on the driven connecting component, drives the conical disc rack to rotate, thereby controlling the drilling production structure to perform drilling production work;

[0019] S4, driving the second motor, the second motor can drive the derivation impact plate to impact, realize the extrusion with the extrusion bearing seat, so that the drill rod and the drill bit can better contact and connect with the soil to realize the drilling work.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By installing the driving structure, the driving structure is convenient for adjusting the position and driving speed through the setting of the structure, and is convenient for the purpose of speed control. The driving structure is fixed to the drilling production structure to achieve an integral connection, which is convenient for drilling operations. The driving structure can be connected to the outside world through the top, which is convenient for installation and combination. Through the cooperation of the driving structure and the drilling production structure, it is convenient to carry out the integrated production work of impact and drilling, which is beneficial to the extrusion-type drilling production work, and at the same time it is convenient to carry out the automatic speed adjustment work, so as to better carry out the overall use work.

[0022] 2. By installing the drilling production structure, the drilling production structure helps to carry out specific drilling production work. Through the setting of the extrusion connection parts, the integrated production work of drilling and extrusion can be carried out, and the extrusion drilling operation can be better carried out to improve the overall connection performance. At the same time, through the structural setting of the drilling production structure, it is convenient to drive and better contact with the soil to achieve the purpose of efficient drilling production. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the main body of the present invention;

[0024] Figure 2 A side view of the main body of the present invention;

[0025] Figure 3 It is a rear view of the main body of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the driving structure of the present invention;

[0027] Figure 5 It is a side view of the driving structure of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the driven connecting component of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the drilling production structure of the present invention;

[0030] Figure 8 A side view of the drilling production structure of the present invention;

[0031] Fig. 9 It is a schematic diagram of the structure of the extruded connecting component of the present invention;

[0032] Fig.10 It is a structural schematic diagram of the second embodiment of the main body of the present invention.

[0033] In the figure: 1-driving structure; 2-drilling production structure; 3-protective stand; 4-first connecting groove ring; 5-stable support frame; 6-second connecting groove ring; 7-belt; 8-driven connecting component; 9-grid plate; 10-first motor; 11-transmission shaft; 12-driven wheel; 13-stable plate frame; 14-adjustable limit slide frame; 15-connecting drive disk; 16-conical disk frame; 17-movable adjustment rod; 18-supporting groove frame; 19-threaded rod; 20-first driving motor; 21-adjusting ring rod ; 22-matching plate; 23-buffer pad frame; 24-rotating shaft sleeve plate; 25-first protective plate; 26-mounting frame; 27-second protective plate; 28-extrusion bearing seat; 29-extrusion connecting component; 30-drill rod; 31-drill bit; 32-second motor; 33-derivation impact plate; 34-first hinge; 35-second hinge; 36-adjusting vertical rod; 37-limited connection chassis; 38-second driving motor; 39-first gear plate; 40-second gear plate; 41-edge and corner wall protection frame; 42-connecting bolts. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example 1, please refer to Figure 1-9The present invention provides a technical solution: a drilling device for geotechnical engineering, comprising a driving structure 1 and a drilling production structure 2, wherein the lower end of the driving structure 1 is rotatably connected with the drilling production structure 2, the driving structure 1 comprises a protective stand 3, a first connecting groove ring 4, a stable support frame 5 and a second connecting groove ring 6, the lower end of the protective stand 3 is fixedly connected with the first connecting groove ring 4, the lower end of the first connecting groove ring 4 is fixedly connected with the stable support frame 5, the lower end of the stable support frame 5 is fixedly connected with the second connecting groove ring 6, the driving structure 1 The drilling production structure 2 also includes a belt 7, a driven connecting component 8, a grid plate 9, a first motor 10 and a transmission shaft 11. The first motor 10 is fixedly connected to the center of the grid plate 9. The upper end of the first motor 10 is fixedly connected to the transmission shaft 11. The top position of the transmission shaft 11 is sleeved with the belt 7. The other end of the belt 7 is sleeved with the driven connecting component 8. The drilling production structure 2 includes a first protective plate 25, a mounting frame 26, a second protective plate 27, an extrusion bearing seat 28 and an extrusion connecting component 29. The lower end of the first protective plate 25 is fixedly sleeved with the second The protective plate 27 and the second protective plate 27 are fixedly connected to the center of the mounting frame 26, and the side end of the mounting frame 26 is fixedly installed with an extrusion connection component 29, and the bottom end position of the extrusion connection component 29 is contacted and connected with the extrusion bearing seat 28. The drilling production structure 2 also includes a drill rod 30 and a drill bit 31. The lower end of the extrusion bearing seat 28 is fixedly connected to the drill rod 30, and the bottom end of the drill rod 30 is fixedly connected to the drill bit 31. Through the connection setting of the structure, it is convenient to carry out combined production work and achieve the purpose of efficient drilling production. By installing the driving structure 1, the driving structure 1 is convenient to adjust the position and the driving speed through the setting of the structure, and it is convenient to adjust the speed. The driving structure 1 is fixed with the drilling production structure 2 to achieve an integral connection work, which is convenient for drilling operations, and the driving structure 1 can be connected to the outside world through the top, which is convenient for installation and combination. Through the cooperation of the driving structure 1 and the drilling production structure 2, it is convenient to carry out the integrated production work of impact and drilling, which is beneficial to the extrusion type drilling production work, and at the same time, it is convenient to carry out the automatic rate adjustment work, so as to better carry out the overall use work.

[0036] The extrusion bearing seat 28 is fixedly connected to the first protective plate 25, the mounting frame 26, and the second protective plate 27, and is fixedly connected to the drill rod 30 and the drill bit 31 through the extrusion bearing seat 28. The top of the first protective plate 25 is fixedly connected to the driven connecting component 8.

[0037] The driven connecting component 8 includes a driven wheel 12, a stabilizing plate frame 13, an adjusting limit slide frame 14, a connecting drive disk 15, a conical disk frame 16, a movable adjusting rod 17, a supporting groove frame 18, a threaded rod 19, a first driving motor 20, an adjusting ring rod 21, a matching disk 22, a buffer pad frame 23 and a rotating shaft sleeve disk 24. The lower end of the driven wheel 12 is sleeved with a stabilizing plate frame 13, the bottom of the driven wheel 12 is fixedly connected with the adjusting limit slide frame 14, the lower end of the adjusting limit slide frame 14 is slidingly connected to the connecting drive disk 15, the lower end of the connecting drive disk 15 is fixedly connected with the buffer pad frame 23, and the lower end of the buffer pad frame 23 is fixedly connected There is a matching disk 22, the lower end of the matching disk 22 is socketed with the adjusting ring rod 21, the rear end of the adjusting ring rod 21 is fixedly connected to the rotating shaft sleeve 24, the bottom position of the side end of the adjusting ring rod 21 is fixedly connected to the movable adjusting rod 17, the lower end position of the adjusting ring rod 21 is fixedly connected to the conical disk frame 16, the lower end of the movable adjusting rod 17 is slidably set with the supporting groove frame 18, the center of the supporting groove frame 18 is threadedly connected to the threaded rod 19, and the first driving motor 20 is installed at the side end position of the threaded rod 19. Through the overall structural design of the driven connecting component 8, the adjustment purpose is convenient, and the flexible drilling production work is better.

[0038] The conical disc frame 16 is arranged in a conical structure, and the lower end position of the conical disc frame 16 is fixedly connected to the first protective disc 25, and the extrusion connection component 29 includes a second motor 32, a derivation impact disc 33, a first hinge 34 and a second hinge 35. The side end of the second motor 32 is fixedly connected to the first hinge 34, the upper end of the first hinge 34 is hinged to the second hinge 35, and the bottom end of the second hinge 35 is hinged to the derivation impact disc 33. The center position of the derivation impact disc 33 is set to slide and limit with the mounting frame 26, and the derivation impact disc 33 is squeezed with the extrusion bearing seat 28. The second motor 32 is fixedly mounted at the center of the mounting frame 26, and the extrusion connection component 29 is connected to the drilling production structure 2 for overall rotation. By installing the drilling production structure 2, the drilling production structure 2 helps to carry out specific drilling production work. By setting the extrusion connection component 29, the integrated production work of drilling and extrusion can be carried out, and the extrusion drilling operation can be better carried out to improve the overall connection performance. At the same time, the structural setting of the drilling production structure 2 facilitates driving and better contact with the soil to achieve the purpose of efficient drilling production.

[0039] The driving structure 1 and the drilling production structure 2 are combined to realize the connection task of the driving structure 1 and the drilling production structure 2. The driving structure 1 is combined and arranged by the protective stand 3, the first connecting groove ring 4, the stable support frame 5, the second connecting groove ring 6, the belt 7, the driven connecting component 8, the grid plate 9, the first motor 10, and the transmission shaft 11. The protective stand 3, the first connecting groove ring 4, the stable support frame 5, and the second connecting groove ring 6 can perform the load-bearing connection work, and the arrangement of the first connecting groove ring 4 and the second connecting groove ring 6 facilitates the driven connecting component 8. The limit work of operation can better achieve the purpose of limit driving. The setting of the grid plate 9 is convenient for support. The first motor 10 is convenient for driving, which can drive the belt 7 and the driven connecting component 8 to operate. The driven connecting component 8 is connected by a driven wheel 12, a stable plate frame 13, an adjustable limit slide frame 14, a connecting drive disk 15, a conical disk frame 16, an active adjustment rod 17, a support groove frame 18, a threaded rod 19, a first drive motor 20, an adjustment ring rod 21, a matching disk 22, a buffer pad frame 23 and a rotating shaft sleeve disk 24, and is connected by the first drive motor 2 0 can adjust the position of the support slot frame 18, and the operation of the support slot frame 18 can drive the adjustment ring rod 21 to rotate through the rotating shaft sleeve disc 24, so as to adjust the position of the matching disc 22, the buffer pad frame 23, and the adjustment limit slide frame 14, thereby changing the position of the connecting drive disc 15 on the adjustment limit slide frame 14, and the adjustment limit slide frame 14 rotates by rotating, and the displacement of the connecting drive disc 15 will cause the change of the motion range, thereby causing the change of the speed. The setting of the driven wheel 12 is convenient for connection through the belt 7, which is convenient for Driving connection task, the drilling production structure 2 is composed of a first protective plate 25, a mounting frame 26, a second protective plate 27, an extrusion bearing seat 28, an extrusion connecting component 29, a drill rod 30 and a drill bit 31. The setting of the extrusion connecting component 29 can perform stamping work to achieve the extrusion of the extrusion bearing seat 28, so that the drill rod 30 and the drill bit 31 can better contact the soil. The first protective plate 25, the mounting frame 26, the second protective plate 27, and the extrusion bearing seat 28 can all drive the drill rod 30 and the drill bit 31 to rotate to achieve specific drilling production work.

[0040] Example 2, please refer to Fig.10 The bottom end of the driving structure 1 is fixedly connected with an adjusting upright rod 36, the bottom end of the adjusting upright rod 36 is rotatably connected with a limited connection chassis 37, the side ends of the limited connection chassis 37 are fixedly connected by connecting bolts 42, and a second driving motor 38 is installed at the four corners of the limited connection chassis 37, the lower end position of the second driving motor 38 is fixedly connected with a first gear disc 39, the side end of the first gear disc 39 is meshingly connected with a second gear disc 40, and the lower end position of the second gear disc 40 is fixedly connected with a corner wall guard frame 41.

[0041] The limit connection chassis 37 can be adjusted on the adjustment rod 36, and the limit connection chassis 37 realizes the load-bearing connection work of the second drive motor 38 and the first gear plate 39. The second drive motor 38 can drive the first gear plate 39 to rotate, acting on the second gear plate 40, so that the second gear plate 40 can drive the corner wall protection frame 41 to rotate on the limit connection chassis 37 to realize the wall protection work, and the limit connection chassis 37 is fixed by the connecting bolts 42, which is convenient for disassembly work, and at the same time convenient for the placement and installation work of the second gear plate 40 and the corner wall protection frame 41.

[0042] A drilling method for a drilling device used in geotechnical engineering

[0043] S1, connecting and combining the driving structure 1 and the drilling production structure 2 to realize the overall combination, so as to facilitate the positioning drilling work;

[0044] S2, by driving the first driving motor 20 to adjust, the speed and precise position can be controlled, and the matching disk 22, the buffer pad frame 23, and the connecting driving disk 15 are driven by the adjusting ring rod 21 to adjust on the adjusting limit slide frame 14 to change the position, thereby controlling the transmission efficiency;

[0045] S3, driving the first motor 10, the first motor 10 drives the belt 7 to rotate, acts on the driven connecting component 8, drives the conical disc frame 16 to rotate, thereby controlling the drilling production structure 2 to perform drilling production work;

[0046] S4, driving the second motor 32, the second motor 32 can drive the derivation impact plate 33 to impact, realize the extrusion with the extrusion bearing seat 28, so that the drill rod 30 and the drill bit 31 can better contact and connect with the soil to realize the drilling work.

[0047] Working principle: When work is needed, the user assembles and connects the driving structure 1 and the drilling production structure 2. First, the user adjusts the driven connection component 8 to achieve position and speed regulation. By driving the first driving motor 20, the first driving motor 20 can drive the threaded rod 19 to rotate and act on the support slot frame 18. The support slot frame 18 can move on the frame body, driving the movable adjustment rod 17 to change its position. The support slot frame 18 is provided with a slot body, which can achieve the adaptive adjustment of the movable adjustment rod 17. The rear end of the adjusting ring rod 21 is connected through the rotating shaft sleeve 24, and the center of the adjusting ring rod 21 and the rotating shaft sleeve 24 is sleeved with the bottom of the matching plate 22, which can drive the matching plate 22, the buffer pad frame 23, and the first protective plate 25 to change their positions, and the bottom of the matching plate 22 is connected to the first connecting groove ring 4, which can be active on the first connecting groove ring 4. The first connecting groove ring 4 is provided with a preset groove body, which is convenient for regulation and control. By adjusting and changing the position of the connecting drive plate 15 on the adjusting limit slide frame 14 , to achieve the purpose of adjusting the range of motion, then the user drives the first motor 10, the first motor 10 can drive the transmission shaft 11 and the belt 7 to rotate, act on the driven wheel 12, drive the driven wheel 12 to rotate on the stable plate frame 13, the bottom of the driven wheel 12 is connected to the adjustment limit slide frame 14, realize the driving work of the adjustment limit slide frame 14, better drive the connection drive disk 15 to rotate, through the rotation of the connection drive disk 15, realize the driving of the conical disk frame 16, so as to drive the drilling production structure The structure 2 is operated to realize the drilling production work of the drill rod 30 and the drill bit 31. The user can drive the second motor 32, and the second motor 32 can drive the first hinge 34 and the second hinge 35 to rotate, acting on the derivation impact disk 33. The derivation impact disk 33 can press and contact with the extrusion bearing seat 28 to realize the impact work of the extrusion bearing seat 28, and act on the drill rod 30 and the drill bit 31, so that the drill rod 30 and the drill bit 31 can better contact and connect with the soil, realize efficient production work, and complete the work.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drilling device for geotechnical engineering, comprising a driving structure (1) and a drilling production structure (2), wherein the driving structure (1) is rotatably connected to the drilling production structure (2) at the lower end thereof, and characterized in that: The driving structure (1) comprises a protective stand (3), a first connecting groove ring (4), a stabilizing support frame (5) and a second connecting groove ring (6); the lower end of the protective stand (3) is fixedly connected to the first connecting groove ring (4); the lower end of the first connecting groove ring (4) is fixedly connected to the stabilizing support frame (5); the lower end of the stabilizing support frame (5) is fixedly connected to the second connecting groove ring (6); the driving structure (1) also comprises a belt (7), a driven connecting component (8), a grid plate (9), a first motor (10) and a transmission shaft (11); the first motor (10) is fixedly connected to the center position of the grid plate (9); the upper end of the first motor (10) is fixedly connected to the transmission shaft (11); the top position of the transmission shaft (11) is sleeved with a belt (7); the belt (7) ) is sleeved with the driven connecting component (8), the drilling production structure (2) comprises a first protective plate (25), a mounting frame (26), a second protective plate (27), an extrusion bearing seat (28) and an extrusion connecting component (29), the lower end of the first protective plate (25) is fixedly sleeved with the second protective plate (27), the center of the second protective plate (27) is fixedly connected with the mounting frame (26), the side end of the mounting frame (26) is fixedly installed with an extrusion connecting component (29), the bottom end of the extrusion connecting component (29) is contacted and connected with the extrusion bearing seat (28), the drilling production structure (2) also comprises a drill rod (30) and a drill bit (31), the lower end of the extrusion bearing seat (28) is fixedly connected with the drill rod (30), and the bottom end of the drill rod (30) is fixedly connected with the drill bit (31).

2. A drilling device for geotechnical engineering according to claim 1, characterized in that: The extrusion bearing seat (28) is fixedly connected to the first protection plate (25), the mounting frame (26), and the second protection plate (27), and is fixedly connected to the drill rod (30) and the drill bit (31) through the extrusion bearing seat (28), and the top of the first protection plate (25) is fixedly connected to the driven connection component (8).

3. A drilling device for geotechnical engineering according to claim 2, characterized in that: The driven connecting component (8) comprises a driven wheel (12), a stabilizing plate frame (13), an adjusting limit slide frame (14), a connecting drive disk (15), a conical disk frame (16), a movable adjusting rod (17), a supporting groove frame (18), a threaded rod (19), a first driving motor (20), an adjusting ring rod (21), a matching disk (22), a buffer pad frame (23) and a rotating shaft sleeve disk (24); the lower end of the driven wheel (12) is sleeved with a stabilizing plate frame (13); the bottom of the driven wheel (12) is fixedly connected with an adjusting limit slide frame (14); the lower end of the adjusting limit slide frame (14) is limitedly slidably connected with the connecting drive disk (15); the lower end of the connecting drive disk (15) is fixedly connected A buffer pad frame (23) is provided, the lower end of the buffer pad frame (23) is fixedly connected with a matching disk (22), the lower end of the matching disk (22) is sleeved with an adjusting ring rod (21), the rear end of the adjusting ring rod (21) is fixedly connected with a rotating shaft sleeve disk (24), the side end bottom position of the adjusting ring rod (21) is fixedly connected with a movable adjusting rod (17), the lower end position of the adjusting ring rod (21) is fixedly connected with a conical disk frame (16), the lower end of the movable adjusting rod (17) is slidably arranged with a supporting groove frame (18), the center of the supporting groove frame (18) is threadedly connected with a threaded rod (19), and a first driving motor (20) is installed at the side end position of the threaded rod (19).

4. A drilling device for geotechnical engineering according to claim 3, characterized in that: The conical disc frame (16) is arranged in a conical structure, and the lower end of the conical disc frame (16) is fixedly connected to the first protective disc (25).

5. A drilling device for geotechnical engineering according to claim 4, characterized in that: The extrusion connection component (29) comprises a second motor (32), a derivation impact disk (33), a first hinge (34) and a second hinge (35); the side end of the second motor (32) is fixedly connected to the first hinge (34); the upper end of the first hinge (34) is hinged to the second hinge (35); and the bottom end of the second hinge (35) is hinged to the derivation impact disk (33).

6. A drilling device for geotechnical engineering according to claim 5, characterized in that: The center position of the derivation impact disk (33) is slidably limited with the mounting frame (26), and the derivation impact disk (33) is extrusion-connected with the extrusion bearing seat (28).

7. A drilling device for geotechnical engineering according to claim 6, characterized in that: The second motor (32) is fixedly mounted at the center of the mounting frame (26), and the extrusion connection component (29) is integrally rotated and connected with the drilling production structure (2).

8. A drilling device for geotechnical engineering according to claim 7, characterized in that: The bottom end of the driving structure (1) is fixedly connected to an adjusting upright rod (36), the bottom end of the adjusting upright rod (36) is rotatably connected to a limited connection chassis (37), the side ends of the limited connection chassis (37) are fixedly connected via connecting bolts (42), a second driving motor (38) is installed at the four corners of the limited connection chassis (37), the lower end of the second driving motor (38) is fixedly connected to a first toothed disc (39), the side end of the first toothed disc (39) is meshingly connected to a second toothed disc (40), and the lower end of the second toothed disc (40) is fixedly connected to a corner wall protection frame (41).

9. A drilling method for a drilling device for geotechnical engineering according to claim 8, characterized in that: S1. Connecting and combining the driving structure (1) and the drilling production structure (2) to realize an overall combination, so as to facilitate positioning drilling work; S2, by driving the first driving motor (20) to adjust, the rotation speed and the precise direction can be controlled, and the matching disk (22), the buffer pad frame (23), and the connecting driving disk (15) are driven by the adjusting ring rod (21) to adjust on the adjusting limit slide frame (14) to change the position, thereby controlling the transmission efficiency; S3, driving the first motor (10), the first motor (10) drives the belt (7) to rotate, acts on the driven connecting component (8), drives the conical disc frame (16) to rotate, thereby controlling the drilling production structure (2) to perform drilling production work; S4, driving the second motor (32), the second motor (32) can drive the derivation impact plate (33) to impact, thereby achieving extrusion with the extrusion bearing seat (28), so that the drill rod (30) and the drill bit (31) can better contact and connect with the soil, thereby achieving the drilling work.

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