Rock core drilling mechanism with inclination angle auxiliary drilling function

Abstract

The invention discloses a core drilling mechanism with a dip angle auxiliary drilling function, and relates to the field of geological survey, the core drilling mechanism comprises a drilling head, a coring cover and a connector, the interior of the coring cover is hollow, the coring cover is arranged above the drilling head, the connector is arranged above the coring cover, the lower part of the connector is connected with a detection block, and the detection block is connected with the drilling head. A detection block is fixed to the outer side of the drilling head, a deflection monitoring mechanism is arranged in the detection block and used for monitoring the drilling inclination angle of the drilling head, a reaming head is fixed to the outer side of the drilling head and used for providing a drilling space for the coring cover, a connecting block is fixed to the upper portion of the drilling head, and a first driving ring is fixed to the upper portion of the connecting block. According to the rock core drilling mechanism with the dip angle auxiliary drilling function, the direction of the dip angle monitoring ball is automatically corrected through the balancing weight, when the dip angle changes during subsequent drilling, the balancing weight can pull the dip angle monitoring ball to automatically rotate, inclination can be fed back through rotation of the dip angle monitoring ball, and timely adjustment is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of geological survey, in particular to a core drilling mechanism with an inclination-assisted drilling function. Background Art

[0002] When conducting relevant geological surveys, the composition and other properties of the core can be analyzed by sampling the core, and the core drilling mechanism can be used for sampling.

[0003] Prior art 1 (publication number CN117780283A, Chinese patent published on March 29, 2024) A rock formation drilling equipment for engineering geological survey, including a drive assembly, a drill barrel assembly and a drill bit assembly, the drive assembly is rotatably arranged on the upper end surface of the drill barrel assembly, the drill bit assembly is fixedly connected to the lower end surface of the drill barrel assembly, the drill barrel assembly includes an outer barrel gear ring and an inner barrel gear ring, the outer barrel gear ring and the inner barrel gear ring are coaxially arranged in the same plane, the outer ring of the inner barrel gear ring is provided with teeth, the inner ring of the outer barrel gear ring is provided with internal teeth, the outer ring of the outer barrel gear ring is provided with external teeth, the outer barrel gear ring and the inner barrel gear ring are rotatably connected in a fixed seat, and the drill bit assembly includes a cutting gear ring and a radial drill bit to achieve core drilling and cutting. It can discharge debris to the outside of the borehole during drilling, improve drilling efficiency, make the surface of the drilled core smooth, improve the drilling quality of the core, and at the same time ensure the integrity of the core, and easily remove the core. Prior art 2 (publication number CN118669077A, Chinese patent published on September 20, 2024) A pollution-free asphalt pavement core sampling construction device, including a drill barrel for core drilling, the outer sleeve of the drill barrel is provided with a protective tube, the bottom of the protective tube is placed with cleaning clay, the cleaning clay is arranged in a circular ring shape on the road surface with the center of the drill barrel as the center, the protective tube is vertically inserted into the cleaning clay, and is tightly combined with the cleaning clay. This application has the effect of preventing sewage from scattering and splashing while reducing water waste.

[0004] After the current core drilling mechanism drills the core, the core remains connected to the outside of the mechanism, and it is difficult to break it directly, and it is also easy to damage the integrity of the internal core. At the same time, during drilling, if the drilling angle changes, the change in drilling direction will also cause core damage, affecting the subsequent sampling quality. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a core drilling mechanism with an inclination-assisted drilling function to solve the problem raised in the above-mentioned background technology that after the core is drilled, the core is still connected to the outside of the mechanism, which makes it difficult to break it directly and easily damages the integrity of the internal core. At the same time, during drilling, if the drilling angle changes, the change in drilling direction will also cause damage to the core.

[0006] The present invention solves the technical problem by the following technical solutions:

[0007] A core drilling mechanism with an inclination-assisted drilling function comprises a drilling head, a coring cover and a connecting head, wherein the coring cover is hollow inside, and the coring cover is arranged above the drilling head, and a connecting head is arranged above the coring cover, a detection block is connected below the connecting head, and a skew monitoring mechanism is arranged inside the detection block to monitor the drilling inclination of the drilling head, a reaming head is fixed on the outside of the drilling head to provide a drilling space for the coring cover, a connecting block is fixed above the drilling head, and a first driving ring is fixed above the connecting block, and the first driving ring is located at A rotational connection is formed between the interior of the coring cover and the coring cover, and a first transmission gear is meshed on the outer side of the first driving ring, and a rotational connection is formed between the first transmission gear and the coring cover, a transmission mechanism is connected to the outer side of the first transmission gear to control the rotation of the first transmission gear, a core cutting block is arranged inside the coring cover, and the core cutting blocks are distributed at equal angles inside the coring cover, and a driving block is fixed to the outer side of the core cutting block, a horizontal sliding structure is formed between the driving block and the coring cover, and a movement control mechanism is connected inside the driving block to provide control for the horizontal movement of the driving block.

[0008] Moreover, a connecting ring is fixed on the top of the coring cover, and a split head is threadedly connected to the outer side of the connecting ring, so that the core in the coring cover can leak out.

[0009] Furthermore, the skew monitoring mechanism includes a tilt monitoring ball, a counterweight and an amplitude conversion mechanism;

[0010] The inclination monitoring ball is designed in a spherical structure and is rotatably installed inside the detection block;

[0011] The counterweight block is fixed at the middle and lower part of the inclination monitoring ball to provide vertical downward pulling force for the inclination monitoring ball;

[0012] The amplitude conversion mechanism is connected to the inclination monitoring ball to convert its rotation amplitude.

[0013] Furthermore, the amplitude conversion mechanism includes a connecting rope, a trigger plate, a return spring and a distance monitor;

[0014] A connecting rope is fixed above the inclination monitoring ball;

[0015] A trigger plate is arranged inside and between the detection blocks to form an up-and-down sliding structure, and the bottom of the trigger plate is fixedly connected to the connecting rope;

[0016] A return spring is arranged below the trigger plate to provide an upward thrust for the trigger plate, and the elastic force of the return spring is smaller than the gravity of the counterweight;

[0017] The distance monitor is fixed inside the detection block, and the distance monitor is located above the trigger plate.

[0018] Furthermore, the movement control mechanism includes a drive shaft, a second drive ring, a bevel gear and a fixed ring;

[0019] A driving shaft passes through the driving block and forms a threaded connection between the driving blocks, and the driving shaft and the inner side of the second driving ring form a rotational connection;

[0020] A second driving ring is arranged inside the coring cover and is rotatably connected between the coring cover;

[0021] A bevel gear is fixed to the end of the drive shaft and rotates synchronously with the drive shaft;

[0022] The fixing ring is fixed inside the core collecting cover, and the fixing ring is arranged on the outside of the bevel gear and forms a meshing connection between the bevel gear and the bevel gear.

[0023] Moreover, a second transmission gear is meshed on the outer side of the second driving ring, and a rotation connection is formed between the second transmission gear and the core removal cover, and the transmission mechanism independently controls the first transmission gear and the second transmission gear to rotate.

[0024] Moreover, the transmission mechanism includes a driving motor, an output shaft, a transmission shaft and a driving mechanism;

[0025] A driving motor is fixed inside the coring cover;

[0026] An output shaft is installed below the drive motor;

[0027] A transmission shaft is arranged below the output shaft and forms a nested connection between the output shafts;

[0028] The driving mechanism is arranged on the outer side of the transmission shaft to control the connection between the transmission shaft and the first transmission gear and the second transmission gear.

[0029] Moreover, the lower end of the output shaft is designed in a rectangular structure, so that the output shaft rotates with the transmission shaft.

[0030] Moreover, the driving mechanism includes a fixed plate, a transmission block, a transmission slot and an adjustment mechanism;

[0031] A fixed plate is fixed on the surface of the transmission shaft, and two groups of fixed plates are arranged on the surface of the transmission shaft;

[0032] The transmission blocks are respectively fixed on the upper and lower sides of the two sets of fixed plates;

[0033] The transmission grooves are respectively arranged above the first transmission gear and below the second transmission gear, and a concave-convex matching structure is formed between the transmission grooves and the transmission block;

[0034] The adjusting mechanism is arranged on the outer side of the transmission shaft to control the vertical movement of the transmission shaft.

[0035] To further optimize the technical solution, the adjustment mechanism includes a connecting disk and a retractor;

[0036] A connecting plate, fixed to the surface of the transmission shaft;

[0037] The expander is arranged above the connecting plate, and a sliding connection is formed between the lower end of the expander and the connecting plate.

[0038] The beneficial effects of the present invention are:

[0039] 1. The core drilling mechanism with inclination-assisted drilling function of the present invention can provide drilling space for the coring cover by setting the reaming head, so that the outer diameter of the coring cover can be increased, providing space for storing the core block in the coring cover, and the core can be cut by the core block, thereby facilitating the subsequent extraction of the core.

[0040] 2. The core drilling mechanism with inclination-assisted drilling function of the present invention automatically corrects the direction of the inclination monitoring ball through the counterweight block. When the inclination changes during drilling later, the counterweight block can pull the inclination monitoring ball to rotate automatically. The rotation of the inclination monitoring ball can provide feedback on the inclination, which is convenient for timely adjustment.

[0041] 3. The core drilling mechanism with inclination-assisted drilling function of the present invention can drive the connecting rope to pull the trigger plate to move through the rotation of the inclination monitoring ball. After the trigger plate moves, its position change can be detected by the distance monitor. The inclination amplitude of the drilling angle can be obtained through the trigger plate position change data, thereby avoiding damage to subsequent core samples.

[0042] 4. The core drilling mechanism with inclination-assisted drilling function of the present invention can cut the core in the coring cover through the core cutting block and cut off the lower end thereof, thereby facilitating the separation and sampling of core samples and reducing the possibility of damaging the sample by directly breaking the core.

[0043] 5. In the core drilling mechanism with inclination-assisted drilling function of the present invention, the core cutting block can be driven by the second driving ring to rotate in a circle to cut the core in a circle, and the engagement of the bevel gear and the fixed ring can control the horizontal movement of the core cutting block to deepen the cutting position and realize the automatic cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0045] Figure 2 It is a bottom view structural schematic diagram of the present invention;

[0046] Figure 3 This is a schematic diagram of the main cross-sectional structure of the detection block of the present invention;

[0047] Figure 4 It is a schematic diagram of the three-dimensional structure of the drilling head of the present invention;

[0048] Figure 5 It is a schematic diagram of the three-dimensional structure of the coring cover of the present invention;

[0049] Figure 6 This is a schematic diagram of the main cross-sectional structure of the coring cover of the present invention;

[0050] Figure 7 For the present invention Figure 6 The enlarged structural diagram at a in the middle;

[0051] Figure 8 It is a schematic diagram of the top view of the structure of the first driving ring of the present invention;

[0052] Fig. 9 This is a schematic diagram of the top view of the core block of the present invention;

[0053] Fig.10 This is a schematic diagram of the main cross-sectional structure of the driving block of the present invention;

[0054] Fig.11 For the present invention Fig. 9 The enlarged structural diagram at b in the middle;

[0055] Fig.12 It is a schematic diagram of the three-dimensional structure of the transmission shaft of the present invention.

[0056] In the figure: 1, drilling head; 2, reaming head; 3, coring cover; 301, connecting ring; 4, split head; 5, detection block; 6, connecting head; 7, inclination monitoring ball; 8, counterweight block; 9, connecting rope; 10, trigger plate; 11, reset spring; 12, distance monitor; 13, connecting block; 14, first drive ring; 15, first transmission gear; 16, core cutting block; 17, drive block; 18, drive shaft; 19, second drive ring; 20, second transmission gear; 21, bevel gear; 22, fixed ring; 23, drive motor; 24, output shaft; 25, transmission shaft; 26, fixed disk; 27, transmission block; 28, transmission groove; 29, connecting disk; 30, telescope. DETAILED DESCRIPTION

[0057] The present invention is further described in detail below through specific examples. The following examples are only illustrative and not restrictive, and the protection scope of the present invention cannot be limited thereto.

[0058] See also Figure 1-Figure 12 The present invention provides the following technical solution: a core drilling mechanism with an inclination-assisted drilling function, comprising a drilling head 1, a coring cover 3 and a connector 6, wherein the coring cover 3 is hollow inside and is arranged above the drilling head 1, and a connector 6 is arranged above the coring cover 3;

[0059] Embodiment 1

[0060] The present invention provides the following technical solution, which discloses that a detection block 5 is connected to the lower part of the connecting head 6, and a skew monitoring mechanism is arranged inside the detection block 5 to monitor the drilling inclination of the drilling head 1, a reaming head 2 is fixed to the outer side of the drilling head 1 to provide a drilling space for the coring cover 3, a connecting block 13 is fixed above the drilling head 1, and a first driving ring 14 is fixed above the connecting block 13, the first driving ring 14 is located inside the coring cover 3 and is rotatably connected with the coring cover 3, and a first transmission gear 15 is meshed with the outer side of the first driving ring 14, and a first transmission gear 15 and the coring cover 3 are formed between them. The first transmission gear 15 is rotatably connected, and a transmission mechanism is connected to the outer side of the first transmission gear 15 to control the rotation of the first transmission gear 15. A core cutting block 16 is arranged inside the coring cover 3, and the core cutting blocks 16 are distributed at equal angles in the coring cover 3, and a driving block 17 is fixed to the outer side of the core cutting block 16, and a horizontal sliding structure is formed between the driving block 17 and the coring cover 3, and a movement control mechanism is connected to the inside of the driving block 17 to control the horizontal movement of the driving block 17. A connecting ring 301 is fixed above the coring cover 3, and a splitting head 4 is threadedly connected to the outer side of the connecting ring 301 to allow the core in the coring cover 3 to leak out.

[0061] When in use, the connector 6 is connected to the external device and controlled to be inserted into the sampling hole. When extracting the core, the first drive ring 14 is driven to rotate by the rotation of the first transmission gear 15. The first drive ring 14 drives the drilling head 1 to rotate through the connecting block 13, so that the core enters the coring cover 3. At the same time, the reaming head 2 rotates to provide a moving space for the coring cover 3. After the core completely enters the coring cover 3, the core is cut off by moving the core cutting block 16, and then the coring cover 3 is taken out. After the connection between the splitting head 4 and the connecting ring 301 is released, the core in the coring cover 3 can be leaked out, which is convenient for taking the core.

[0062] Embodiment 2

[0063] On the basis of the first embodiment, a skew monitoring mechanism is disclosed, which includes a tilt monitoring ball 7, a counterweight 8 and an amplitude conversion mechanism. The tilt monitoring ball 7 is designed with a spherical structure and is rotatably installed inside the detection block 5. The counterweight 8 is fixed at the middle and lower part of the tilt monitoring ball 7 to provide a vertical downward pulling force for the tilt monitoring ball 7. The amplitude conversion mechanism is connected to the tilt monitoring ball 7 to convert its rotation amplitude. The amplitude conversion mechanism includes a connecting rope 9, a trigger plate 10, a reset spring 11 and a distance monitor 12. The connecting rope 9 is fixed above the tilt monitoring ball 7. The trigger plate 10 is arranged inside the detection block 5 and between the detection blocks 5 to form an up and down sliding structure, and the bottom of the trigger plate 10 is fixedly connected to the connecting rope 9. The reset spring 11 is arranged below the trigger plate 10 to provide an upward thrust for the trigger plate 10, and the elastic force of the reset spring 11 is less than the gravity of the counterweight 8. The distance monitor 12 is fixed inside the detection block 5, and the distance monitor 12 is located above the trigger plate 10.

[0064] During drilling, after the drilling direction is determined, the inclination monitoring ball 7 will remain stable under the gravity of the counterweight 8. When the angle changes during drilling, the inclination monitoring ball 7 will rotate, and at the same time, the trigger plate 10 will be pulled to move by the connecting rope 9, so that the distance between the trigger plate 10 and the distance monitor 12 will change. The drilling inclination deviation range can be reflected by the distance change range, thereby realizing auxiliary monitoring of the inclination during drilling.

[0065] Embodiment 3

[0066] On the basis of the first embodiment, the mobile control mechanism is disclosed, which includes a drive shaft 18, a second drive ring 19, a bevel gear 21 and a fixed ring 22. The drive shaft 18 passes through the drive block 17 and the drive block 17 is threadedly connected, and the drive shaft 18 and the inner side of the second drive ring 19 are rotatably connected. The second drive ring 19 is arranged inside the core cover 3 and between the core cover 3 to form a rotatable connection. The bevel gear 21 is fixed to the end of the drive shaft 18 and keeps synchronous rotation with the drive shaft 18. The fixed ring 22 is fixed inside the core cover 3, and The fixing ring 22 is arranged on the outer side of the bevel gear 21 and is meshed with the bevel gear 21. The outer side of the second driving ring 19 is meshed with the second transmission gear 20, and the second transmission gear 20 and the coring cover 3 are rotationally connected. The transmission mechanism independently controls the first transmission gear 15 and the second transmission gear 20 to rotate. The transmission mechanism includes a driving motor 23, an output shaft 24, a transmission shaft 25 and a driving mechanism. The driving motor 23 is fixed inside the coring cover 3, the output shaft 24 is installed below the driving motor 23, and the transmission shaft 25 is set The output shaft 24 is arranged below and between the output shaft 24 to form a nested connection. The driving mechanism is arranged on the outside of the transmission shaft 25 to control the connection between the transmission shaft 25 and the first transmission gear 15 and the second transmission gear 20. The lower end of the output shaft 24 is designed in a rectangular structure so that the output shaft 24 rotates with the transmission shaft 25. The driving mechanism includes a fixed plate 26, a transmission block 27, a transmission groove 28 and an adjustment mechanism. The fixed plate 26 is fixed on the surface of the transmission shaft 25, and the fixed plate 26 is provided with two groups on the surface of the transmission shaft 25. The transmission blocks 27 are respectively fixed Fixed on the upper and lower sides of the two groups of fixed plates 26, the transmission grooves 28 are respectively opened above the first transmission gear 15 and below the second transmission gear 20, and a concave-convex matching structure is formed between the transmission groove 28 and the transmission block 27. The adjustment mechanism is arranged on the outer side of the output transmission shaft 25 to control the vertical movement of the transmission shaft 25. The adjustment mechanism includes a connecting plate 29 and a telescope 30. The connecting plate 29 is fixed on the surface of the transmission shaft 25. The telescope 30 is arranged above the connecting plate 29, and a sliding connection is formed between the lower end of the telescope 30 and the connecting plate 29.

[0067] During drilling, the transmission shaft 25 can be controlled to move downward by the telescopic device 30, so that the transmission block 27 is connected to the transmission groove 28 on the first transmission gear 15, and the transmission block 27 is disengaged from the connection with the transmission groove 28 on the surface of the second transmission gear 20, so that the power of the transmission shaft 25 is transmitted to the first transmission gear 15, and the first transmission gear 15 controls the rotation of the drilling head 1 through the connection with the first drive ring 14. When it is necessary to control the movement of the core cutting block 16, the telescopic device 30 can be controlled to drive the transmission shaft 25 to move upward, so that the transmission block 27 is connected to the transmission groove 28 below the second transmission gear 20, and the second transmission gear 20 drives the second drive ring 19 to rotate through the engagement between the second drive ring 19, so that it can drive the core cutting block 16 to move, and at the same time, the bevel gear 21 rotates when moving on the fixed ring 22, driving the drive shaft 18 to rotate, so that it drives the core cutting block 16 to move through the threaded connection between the drive block 17, so as to realize the cutting process of the core, and the coring cover 3 can be taken out after the cutting is completed, and the core collection is completed.

[0068] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0069] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A core drilling mechanism with an inclination-assisted drilling function, comprising a drilling head (1), a coring cover (3) and a connecting head (6), wherein the coring cover (3) is hollow inside and is arranged above the drilling head (1), and a connecting head (6) is arranged above the coring cover (3); Features: A detection block (5) is connected to the bottom of the connecting head (6), and a skew monitoring mechanism is arranged inside the detection block (5) to monitor the drilling inclination of the drilling head (1). A reaming head (2) is fixed to the outside of the drilling head (1) to provide a drilling space for the coring cover (3). A connecting block (13) is fixed above the drilling head (1), and a first driving ring (14) is fixed above the connecting block (13). The first driving ring (14) is located inside the coring cover (3) and is rotatably connected to the coring cover (3). A first transmission gear (15) is meshed with the outside of the first driving ring (14). ), and a first transmission gear (15) and a coring cover (3) are rotatably connected, a transmission mechanism is connected to the outer side of the first transmission gear (15) to control the rotation of the first transmission gear (15), a core cutting block (16) is arranged inside the coring cover (3), and the core cutting blocks (16) are distributed at equal angles inside the coring cover (3), and a driving block (17) is fixed to the outer side of the core cutting block (16), a horizontal sliding structure is formed between the driving block (17) and the coring cover (3), and a movement control mechanism is connected to the inside of the driving block (17) to control the horizontal movement of the driving block (17).

2. A core drilling mechanism with inclination-assisted drilling function according to claim 1, characterized in that: A connecting ring (301) is fixed above the coring cover (3), and a split head (4) is threadedly connected to the outer side of the connecting ring (301), so that the core in the coring cover (3) can leak out.

3. A core drilling mechanism with inclination-assisted drilling function according to claim 1, characterized in that: The tilt monitoring mechanism comprises a tilt monitoring ball (7), a counterweight (8) and an amplitude conversion mechanism; The inclination monitoring ball (7) is designed in a spherical structure and is rotatably mounted inside the detection block (5); A counterweight block (8) is fixed at the lower middle portion of the inclination monitoring ball (7) to provide a vertical downward pulling force for the inclination monitoring ball (7); The amplitude conversion mechanism is connected to the inclination monitoring ball (7) and converts the rotation amplitude thereof.

4. A core drilling mechanism with inclination-assisted drilling function according to claim 3, characterized in that: The amplitude conversion mechanism comprises a connecting rope (9), a trigger plate (10), a return spring (11) and a distance monitor (12); A connecting rope (9) is fixed above the inclination monitoring ball (7); A trigger plate (10) is arranged inside the detection block (5) and between the detection block (5) to form an up-and-down sliding structure, and the bottom of the trigger plate (10) is fixedly connected to the connecting rope (9); A return spring (11) is arranged below the trigger plate (10) to provide an upward thrust for the trigger plate (10), and the elastic force of the return spring (11) is smaller than the gravity of the counterweight (8); The distance monitor (12) is fixed inside the detection block (5), and the distance monitor (12) is located above the trigger plate (10).

5. The core drilling mechanism with inclination-assisted drilling function according to claim 1, characterized in that: The movement control mechanism comprises a drive shaft (18), a second drive ring (19), a bevel gear (21) and a fixed ring (22); A drive shaft (18) passes through the drive block (17) and forms a threaded connection between the drive block (17), and the drive shaft (18) and the inner side of the second drive ring (19) form a rotational connection; A second driving ring (19) is arranged inside the coring cover (3) and is rotatably connected with the coring cover (3); A bevel gear (21) is fixed to the end of the drive shaft (18) and rotates synchronously with the drive shaft (18); The fixing ring (22) is fixed inside the core removal cover (3), and the fixing ring (22) is arranged on the outside of the bevel gear (21) to form a meshing connection between the bevel gear (21).

6. A core drilling mechanism with inclination-assisted drilling function according to claim 5, characterized in that: The second drive ring (19) is meshed with a second transmission gear (20) on its outer side, and the second transmission gear (20) and the coring cover (3) are rotationally connected, and the transmission mechanism independently controls the first transmission gear (15) and the second transmission gear (20) to rotate.

7. A core drilling mechanism with inclination-assisted drilling function according to claim 6, characterized in that: The transmission mechanism comprises a drive motor (23), an output shaft (24), a transmission shaft (25) and a drive mechanism; A driving motor (23) is fixed inside the coring cover (3); An output shaft (24) is mounted below the drive motor (23); A transmission shaft (25) is arranged below the output shaft (24) and is nested with the output shaft (24); The driving mechanism is arranged outside the transmission shaft (25) and controls the connection between the transmission shaft (25) and the first transmission gear (15) and the second transmission gear (20).

8. A core drilling mechanism with inclination-assisted drilling function according to claim 7, characterized in that: The lower end of the output shaft (24) is designed to be a rectangular structure, so that the output shaft (24) rotates with the transmission shaft (25).

9. A core drilling mechanism with inclination-assisted drilling function according to claim 8, characterized in that: The driving mechanism comprises a fixed disk (26), a transmission block (27), a transmission slot (28) and an adjustment mechanism; A fixed disk (26) is fixed on the surface of the transmission shaft (25), and two groups of fixed disks (26) are arranged on the surface of the transmission shaft (25); Transmission blocks (27) are respectively fixed on the upper and lower sides of the two sets of fixed plates (26); The transmission groove (28) is respectively arranged above the first transmission gear (15) and below the second transmission gear (20), and a concave-convex matching structure is formed between the transmission groove (28) and the transmission block (27); The adjustment mechanism is arranged on the outer side of the output transmission shaft (25) to control the vertical movement of the transmission shaft (25).

10. A core drilling mechanism with inclination-assisted drilling function according to claim 9, characterized in that: The adjustment mechanism comprises a connecting plate (29) and a retractor (30); A connecting plate (29) fixed on the surface of the transmission shaft (25); The expander (30) is arranged above the connecting plate (29), and a sliding connection is formed between the lower end of the expander (30) and the connecting plate (29).

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