Underground tunnel sampling device for mineral exploration and sampling method of underground tunnel sampling device

Abstract

The invention relates to the technical field of tunnel sampling devices, and discloses a tunnel sampling device for mineral exploration, which comprises a base, a tailstock, a base and an underframe, the base is connected with the underframe through a vertical seat and a first hydraulic telescopic rod, the vertical seat is connected with the base through a pin shaft, and the first hydraulic telescopic rod is connected with the base through a pin shaft. The tailstock is connected with the base through a sliding assembly and comprises a rectangular block with a cavity, a connecting base and a connecting pipe are installed at a port of the cavity, a hydraulic push rod is installed on the base, and the movable end of the hydraulic push rod is connected with the rectangular block. The connecting base is of a tubular structure, the end of the rod body is connected to the outer side of the connecting base in a sleeving mode, the rod body rotates around the axis of the rod body, meanwhile, the connecting base communicates with the connecting pipe, the connecting pipe can be connected with a high-pressure water supply pipe, and water flow sequentially passes through the connecting pipe and the connecting base to enter the rod body and is discharged through a through hole formed in the end of the drill bit; and the working rod body and the drill bit are cooled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel sampling device, in particular to a tunnel sampling device for mineral exploration and a sampling method thereof. BACKGROUND

[0002] Mineral exploration refers to the geological work of discovering and proving mineral deposits by relying on geological scientific theory and using various prospecting methods, and it is to discover ore bodies and find out the distribution of ore bodies, types of mineral products, quality, quantity, mining and utilization conditions, technical and economic evaluation and application prospect, etc., to meet the needs of national construction or mining enterprises, and it is the whole geological exploration work, in the process of mineral exploration, it is necessary to dig a trench, that is, a long rectangular trench is excavated to reveal the near-surface ore body when exploring mineral resources, and the mineral products in the tunnel need to be sampled.

[0003] Therefore, a corresponding trench and tunnel sampling device is needed, and the existing tunnel sampling method has various ways, usually using drilling sampling. The material content of the inner wall of the existing mine tunnel is complex, and a large amount of heat is generated at the end of the drill hole during long-time work of the drill bit, and if the heat is not dissipated in time, the damage speed of the drill bit in the high-temperature environment will be accelerated. SUMMARY

[0004] The purpose of the present application is to provide a tunnel sampling device for mineral exploration to solve the problems raised in the background art.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The present application is a tunnel sampling device for mineral exploration, comprising:

[0007] The base comprises a base and a chassis, the base and the chassis are connected by a stand and a first hydraulic telescopic rod, the stand and the base are connected by a pin shaft, and the first hydraulic telescopic rod and the base are connected by a pin shaft;

[0008] The chassis can be replaced with a frame structure with a roller assembly, and different structures of the chassis can be replaced according to actual use requirements;

[0009] During work, when the inclination and elevation of the base need to be adjusted, the extension length of the first hydraulic telescopic rod is changed to achieve the adjustment;

[0010] Two first hydraulic telescopic rods are provided to connect with the base to improve the strength of the support, when the two first hydraulic telescopic rods are synchronously extended, the end of the base connected with the first hydraulic telescopic rod is raised, and when the two first hydraulic telescopic rods are synchronously shortened, the end of the base connected with the first hydraulic telescopic rod is lowered, so that the angle of the base is changed without changing the position of the base, and drilling is realized in different areas.

[0011] The base is connected with the tailstock through a sliding assembly, the tailstock comprises a rectangular block with a cavity, a connecting seat and a connecting pipe are mounted on the port of the cavity, a hydraulic push rod is mounted on the base, and the moving end of the hydraulic push rod is connected with the rectangular block;

[0012] The installed tailstock is close to one side of the stand, and the tailstock is pushed to slide along the guide rail through the hydraulic push rod, so that the tailstock pushes the end of the drill rod to advance, and the whole drill rod is deepened into the borehole;

[0013] The sliding assembly comprises guide rails and sliding blocks, the guide rails are provided in two, the two guide rails are installed in parallel on the upper surface of the base, the sliding blocks are provided in two, the two sliding blocks are fixedly installed on the rectangular block, the sliding blocks are fitted on the corresponding guide rails, and the hydraulic push rod pushes the rectangular block and the sliding blocks to slide along the guide rails;

[0014] Two recesses parallel to each other are formed in the upper surface of the base, the bottom end of the guide rail is placed in the recess, a plurality of mounting holes are formed in the guide rail, and fixed bolts are installed on the base through the mounting holes, so that the guide rail is fixed;

[0015] Long grooves are formed in opposite sides of the guide rail, the sliding blocks are clamped on the outer sides of the guide rail, and convex columns matched with the long grooves are arranged on the opposite inner sides of the guide rail, so that the sliding blocks are limited through cooperation of the long grooves and the convex columns, and the problem of falling off of the sliding blocks during movement is avoided.

[0016] The connecting seat is a tubular structure, the end of the rod body is sleeved on the outer side of the connecting seat, the rod body rotates around its own axis, the connecting seat is communicated with the connecting pipe, a high-pressure water supply pipe can be connected to the connecting pipe, water flows into the interior of the rod body through the connecting pipe and the connecting seat in sequence, and is discharged through the through hole arranged at the end of the drill bit, so that the rod body and the drill bit are cooled.

[0017] U-shaped housings are mounted on opposite sides of the rectangular block, second hydraulic telescopic rods are mounted on the inner sides of the U-shaped housings, the telescopic ends of the second hydraulic telescopic rods penetrate into the cavity through the outer wall of the rectangular block, and pressing blocks are mounted on the telescopic ends of the second hydraulic telescopic rods and located in the cavity;

[0018] The pressing blocks mounted at the ends of the second hydraulic telescopic rods are extruded into the cavity through elongation of the second hydraulic telescopic rods, so that the rod body in the cavity is clamped;

[0019] The installed hydraulic push rod is retracted, so that the rectangular block is reset, and in the resetting process, the end of the rod body is extended out of the borehole, so that the whole rod body is pulled out.

[0020] One end of the base is fixedly provided with a driving seat, the driving seat is sleeved on the outer side of the drill rod, and one end of the drill rod is installed in the interior of the rectangular block;

[0021] One end of the drill rod is installed in the interior of the rectangular block through the driving seat, the drill rod is a hollow structure, and the drill rod is communicated with the connecting pipe;

[0022] The driving seat drives the drill rod to rotate.

[0023] The driving seat comprises a shell and a cover, the cover is installed on the opening of the shell, through holes are formed in the shell and the cover, the drill rod passes through the through holes formed in the shell and the cover, a gear set is installed in the interior of the shell, a passive wheel is sleeved on the drill rod, the passive wheel is connected with the output end of the gear set, a driving motor is installed on the outer side of the cover, and the driving motor is connected with the input end of the gear set.

[0024] The gear set and the passive wheel are driven to rotate by the driving motor, the passive wheel drives the drill rod, and since the gear set is a speed reduction gear set, the rotation torque of the drill rod is increased.

[0025] The drill rod comprises a rod body and a drill bit, the drill bit is installed at one end of the rod body, the other end of the rod body is installed in the rectangular block through the driving seat, and the passive wheel is installed on the outer side of the rod body.

[0026] A plurality of grooves distributed along the axial direction are formed on the outer side surface of the rod body, and a convex rib matched with the grooves is formed on the inner wall of the passive wheel, and the rectangular block sliding along the guide rail pushes the end portion of the rod body to move.

[0027] The plurality of grooves distributed along the axial direction are formed on the outer side surface of the rod body, and the convex rib matched with the grooves is formed on the inner wall of the passive wheel, so that the passive wheel drives the rod body to synchronously rotate, and the rod body can slide along the axial direction.

[0028] The outer diameter of the rod body is smaller than the outer diameter of the drill bit, a plurality of spiral grooves are formed on the outer side surface of the drill bit, a through hole is formed in the end portion of the drill bit, and the through hole is communicated with the interior of the rod body;

[0029] Since the outer diameter of the rod body is smaller than the outer diameter of the drill bit, the inner diameter of the formed drill hole is matched with the high-pressure water discharged through the annular groove.

[0030] A sampling method of a tunnel sampling device for mineral exploration comprises the following steps:

[0031] Step one: the position of the end portion of the drill rod is changed by adjusting the angle of the first hydraulic telescopic rod, so that the drill rod is aligned with the sampling point;

[0032] Step two, the drive seat drives the drill pipe to rotate, and the tail seat is pushed forward by the hydraulic push rod, so as to realize the drilling work on the inner wall of the mine tunnel;

[0033] While drilling, the connecting seat is in communication with the connecting pipe, and a high-pressure water supply pipe can be connected to the connecting pipe, and the water flow enters the inside of the rod body through the connecting pipe and the connecting seat in sequence and is discharged through the through hole provided at the end of the drill bit and the annular groove formed between the inner diameter of the drill hole and the outer side surface of the rod body.

[0034] The present application has the following advantages:

[0035] (1) The connecting seat of the present application is a tubular structure, and the end of the rod body is sleeved on the outside of the connecting seat. The rod body rotates around its own axis, and the connecting seat is in communication with the connecting pipe. A high-pressure water supply pipe can be connected to the connecting pipe. The water flow enters the inside of the rod body through the connecting pipe and the connecting seat in sequence and is discharged through the through hole provided at the end of the drill bit, thereby achieving cooling of the working rod body and drill bit.

[0036] (2) Two parallel grooves are formed on the upper surface of the base, and the bottom end of the guide rail is placed in the groove. A plurality of mounting holes are formed on the guide rail, and the fixing bolts are installed on the base through the mounting holes, thereby fixing the guide rail. Long grooves are formed on the opposite sides of the guide rail, and the sliding block is connected to the outside of the guide rail. The opposite inner sides of the guide rail are provided with protruding columns matched with the long grooves. The long grooves and the protruding columns are matched to limit the sliding block, thereby avoiding the problem of falling off of the sliding block during movement.

[0037] (3) The high-pressure water passing through the rod body is discharged through the annular groove formed between the inner diameter of the drill hole and the outer side surface of the rod body, thereby carrying out the silt generated during the hollowing process and avoiding the blockage of the deep hole. When the rod body is pulled out, the high-pressure water enters the cavity formed by the drill bit and the deep hole, thereby pushing the drill bit out of the deep hole.

[0038] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0040] Figure 1 The structure of the present application is shown in the figure;

[0041] Figure 2 The structure of the present application is shown in the figure;

[0042] Figure 3 Structure diagram of the present application;

[0043] Figure 4 Structure diagram of the present application;

[0044] Figure 5 Structure diagram of the present application;

[0045] Figure 6 Structure diagram of the present application;

[0046] Figure 7 Structure diagram of the present application;

[0047] In the drawings, the components represented by each reference numeral are listed as follows:

[0048] In the drawings: 1, base; 101, notch; 2, chassis; 3, stand; 4, first hydraulic telescopic rod; 5, guide rail; 6, tailstock; 601, rectangular block; 6011, cavity; 602, connecting seat; 603, connecting pipe; 604, sliding block; 605, pressing block; 606, U-shaped housing; 607, second hydraulic telescopic rod; 7, drive seat; 701, housing; 702, gear set; 703, driven wheel; 704, cover; 705, drive motor; 8, conduit; 9, drill rod; 901, rod body; 902, drill bit; 903, through hole; 10, hydraulic push rod; DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0050] Embodiment 1,

[0051] Please refer to Figures 1-7 As shown in the drawings, the present application is a tunnel sampling device for mineral exploration, comprising:

[0052] The base comprises a base 1 and a chassis 2, and the base 1 and the chassis 2 are connected through a stand 3 and a first hydraulic telescopic rod 4, the stand 3 and the base 1 are connected through a pin shaft, and the first hydraulic telescopic rod 4 and the base 1 are connected through a pin shaft;

[0053] The chassis 2 can be replaced with a frame structure with a roller assembly, and different structures of the chassis 2 can be replaced according to actual use requirements;

[0054] During work, when the inclination and elevation of the base 1 need to be adjusted, the length of the first hydraulic telescopic rod 4 is changed to achieve the adjustment.

[0055] Two first hydraulic telescopic rods 4 are arranged to be connected with the base 1, so as to improve the supporting strength, when the two first hydraulic telescopic rods 4 are synchronously elongated, the end of the base 1 connected with the first hydraulic telescopic rod 4 is lifted, when the two first hydraulic telescopic rods 4 are synchronously shortened, the end of the base 1 connected with the first hydraulic telescopic rod 4 is lowered, so that the drilling to different areas is realized by changing the angle of the base 1 without changing the position of the base 1.

[0056] The base 1 is connected with the tailstock 6 through a sliding assembly, the tailstock 6 comprises a rectangular block 601 provided with a cavity 6011, a connecting seat 602 and a connecting pipe 603 are arranged on the port of the cavity 6011, a hydraulic push rod 10 is arranged on the base 1, and the moving end of the hydraulic push rod 10 is connected with the rectangular block 601;

[0057] The installed tailstock 6 is close to one side of the vertical seat 3, the tailstock 6 is pushed to slide along the guide rail 5 by the hydraulic push rod 10, so that the tailstock 6 pushes the end of the drill rod 9 to advance, and the whole drill rod 9 is deepened into the drilling hole;

[0058] The sliding assembly comprises two guide rails 5 and two sliding blocks 604, the two guide rails 5 are arranged in parallel on the upper surface of the base 1, the two sliding blocks 604 are fixedly arranged on the rectangular block 601, the sliding blocks 604 are arranged in cooperation with the corresponding guide rails 5, and the rectangular block 601 and the sliding blocks 604 are pushed to slide along the guide rails 5 by the hydraulic push rod 10;

[0059] Two recesses are arranged in parallel on the upper surface of the base 1, the bottom end of the guide rail 5 is arranged in the recess, a plurality of mounting holes are arranged on the guide rail 5, and fixed bolts are arranged on the base 1 in a penetrating mode, so that the guide rail 5 is fixed;

[0060] Long grooves are arranged on the opposite sides of the guide rail 5, the sliding blocks 604 are clamped on the outer sides of the guide rail 5, convex columns are arranged on the opposite inner sides of the guide rail 5 and matched with the long grooves, the sliding blocks 604 are limited by the long grooves and the convex columns, and the problem that the sliding blocks 604 are separated during movement is avoided.

[0061] The connecting seat 602 is in a tubular structure, the end of the rod body 901 is sleeved on the outer side of the connecting seat 602, the rod body 901 rotates around the axis thereof, the connecting seat 602 is communicated with the connecting pipe 603, a high-pressure water supply pipe can be connected to the connecting pipe 603, water flows into the rod body 901 through the connecting pipe 603 and the connecting seat 602 in sequence and is discharged through the through hole 903 arranged at the end of the drill bit 902, so that the rod body 901 and the drill bit 902 are cooled.

[0062] The opposite sides of the rectangular block 601 are provided with U-shaped housings 606, the inner sides of the U-shaped housings 606 are provided with second hydraulic telescopic rods 607, the telescopic ends of the second hydraulic telescopic rods 607 extend into the cavity 6011 through the outer wall of the rectangular block 601, and the telescopic ends of the second hydraulic telescopic rods 607 are provided with pressing blocks 605, which are located in the cavity 6011.

[0063] By extending the second hydraulic telescopic rods 607, the pressing blocks 605 provided at the ends of the second hydraulic telescopic rods 607 are pressed into the cavity 6011, so that the rod 901 in the cavity 6011 is clamped.

[0064] By retracting the installed hydraulic push rod 10, the rectangular block 601 is reset, and in the resetting process, the end of the rod 901 extends out of the drill hole, so that the rod 901 is pulled out as a whole.

[0065] One end of the base 1 is fixedly provided with a driving seat 7.

[0066] The driving seat 7 is sleeved on the outer side of the drill rod 9, and one end of the drill rod 9 is installed in the interior of the rectangular block 601.

[0067] One end of the drill rod 9 extends through the driving seat 7 and is installed in the interior of the rectangular block 601, the drill rod 9 is a hollow structure, and the drill rod 9 communicates with the connecting pipe 603.

[0068] The driving seat 7 drives the drill rod 9 to rotate.

[0069] The driving seat 7 comprises a housing 701 and a cover 704, the cover 704 is installed on the opening of the housing 701, the housing 701 and the cover 704 are both provided with through holes, the drill rod 9 extends through the through holes of the housing 701 and the cover 704, the housing 701 is internally provided with a gear set 702, the drill rod 9 is sleeved with a driven wheel 703, the driven wheel 703 is connected with the output end of the gear set, the outer side of the cover 704 is provided with a driving motor 705, and the driving motor 705 is connected with the input end of the gear set.

[0070] The driving motor 705 drives the gear set 702 and the driven wheel 703 to rotate, the driven wheel 703 drives the drill rod 9, and since the gear set 702 is a speed reduction gear set, the rotation torque of the drill rod 9 is increased.

[0071] The drill rod 9 comprises a rod 901 and a drill bit 902, one end of the rod 901 is provided with the drill bit 902, the other end of the rod 901 extends through the driving seat 7 and is installed in the rectangular block 601, and the outer side of the rod 901 is provided with the driven wheel 703.

[0072] The outer side of the rod body 901 is provided with a plurality of grooves distributed along the axis direction, and the inner wall of the driven wheel 703 is provided with a convex edge matched with the grooves. The moving rectangular block 601 pushes the rod body 901 to move to one side.

[0073] The outer side of the rod body 901 is provided with a plurality of grooves distributed along the axis direction, and the inner wall of the driven wheel 703 is provided with a convex edge matched with the grooves. The moving rectangular block 601 pushes the rod body 901 to move to one side.

[0074] The outer diameter of the rod body 901 is smaller than the outer diameter of the drill bit 902. A plurality of spiral grooves are formed on the outer side of the drill bit 902. A through hole 903 is formed at the end of the drill bit 902, which is in communication with the inside of the rod body 901.

[0075] Since the outer diameter of the rod body 901 is smaller than the outer diameter of the drill bit 902, an annular groove is formed between the inner diameter of the drilled hole and the outer side of the rod body 901. The high-pressure water passing through the rod body 901 is discharged through the annular groove, and the incoming water flow flows out through the annular groove formed between the inner diameter of the drilled hole and the outer side of the rod body 901, completing the heat dissipation of the drill bit 902 and carrying out the debris generated during drilling, avoiding the blockage of the drilled hole during mining.

[0076] During work, the angle of the first hydraulic telescopic rod 4 is adjusted to change the position of the end of the drill rod 9, so as to realize alignment with the sampling point.

[0077] The driving seat 7 drives the drill rod 9 to rotate, and at the same time the tail seat 6 is pushed forward by the hydraulic push rod 10, so as to realize the drilling work on the inner wall of the mine tunnel.

[0078] At the same time of drilling, the connecting seat 602 is in communication with the connecting pipe 603, and the connecting pipe 603 can be connected with a high-pressure water supply pipe. The water flow enters the inside of the rod body 901 through the connecting pipe 603 and the connecting seat 602 in turn, and is discharged through the through hole 903 provided at the end of the drill bit 902, so as to realize the cooling of the working rod body 901 and the drill bit 902.

[0079] In addition, the high-pressure water passing through the rod body 901 is discharged through the annular groove formed between the inner diameter of the drilled hole and the outer side of the rod body 901, and the silt generated during the hollowing process is carried out, avoiding the blockage of the deep hole. When the rod body 901 is pulled out, the high-pressure water enters the cavity formed by the drill bit 902 and the deep hole, and pushes the drill bit 902 to slide out of the deep hole.

[0080] Embodiment 2,

[0081] A sampling method of a tunnel sampling device for mineral exploration, comprising the following steps:

[0082] Step one, by adjusting the angle of the first hydraulic telescopic rod 4, the position of the end of the drill pipe 9 is changed to align with the sampling point;

[0083] Step two, the drive seat 7 drives the drill pipe 9 to rotate, and the tail seat 6 is pushed forward by the hydraulic push rod 10 to extend, so as to realize the drilling work on the inner wall of the mine tunnel.

[0084] While drilling, the connecting seat 602 is in communication with the connecting pipe 603, and the high-pressure water supply pipe can be connected to the connecting pipe 603. The water flows through the connecting pipe 603, the connecting seat 602, and then enters the inside of the rod body 901, and is discharged through the through hole 903 at the end of the drill bit 902 and the annular groove formed between the inner diameter of the drill hole and the outer side surface of the rod body 901.

[0085] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present application. The present application is selected and described in detail in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their full scope and equivalents.

Claims

1. A drift sampling device for mineral exploration, characterised in that, The utility model relates to a drilling device, including: The base includes the base (1) and the chassis (2), and the base (1) is connected with the chassis (2) through the vertical seat (3) and the first hydraulic telescopic link (4); The base (1) is connected with the tailstock (6) through the sliding assembly; The tailstock (6) includes a rectangular block (601) with a cavity (6011), and a connecting seat (602) and a connecting pipe (603) are mounted on the port of the cavity (6011); A hydraulic push rod (10) is mounted on the base (1), and the moving end of the hydraulic push rod (10) is connected with the rectangular block (601); One end of the base (1) is fixedly provided with a driving seat (7); The driving seat (7) is sleeved on the outer side of the drill rod (9), and one end of the drill rod (9) is mounted in the rectangular block (601); The drill rod (9) is a hollow structure, the drill rod (9) is communicated with the connecting pipe (603), and the driving seat (7) drives the drill rod (9) to rotate; The drill rod (9) includes a rod body (901) and a drill bit (902), one end of the rod body (901) is provided with the drill bit (902), a through hole (903) is formed in the end of the drill bit (902), the through hole (903) is communicated with the inside of the rod body (901), the outer diameter of the rod body (901) is smaller than the outer diameter of the drill bit (902), and a plurality of spiral grooves are formed in the outer side of the drill bit (902). Because the outer diameter of the rod body (901) is smaller than the outer diameter of the drill bit (902), a ring groove is formed between the inner diameter of the formed drill hole and the outer side of the rod body (901), the high-pressure water passing through the rod body (901) is discharged through the ring groove, the water flow enters and flows out through the ring groove formed between the inner diameter of the drill hole and the outer side of the rod body (901), heat dissipation of the drill bit (902) is completed, and the debris generated in the drilling process is taken out, so that the debris does not block the drill hole in the mining process.

2. A device for use in the exploration of minerals according to claim 1, characterised in that: The sliding assembly includes guide rails (5) and sliding blocks (604), the guide rails (5) are provided in two, and the two guide rails (5) are installed in parallel on the upper surface of the base (1); The sliding blocks (604) are provided in two, and the two sliding blocks (604) are fixedly installed on the chassis (2) of the rectangular block (601), and the sliding blocks (604) are installed in pairs on the corresponding guide rails (5); The hydraulic push rod (10) drives the sliding blocks (604) provided with the rectangular block (601) to move along the guide rails (5).

3. A device for use in the exploration of minerals according to claim 1, characterised in that: U-shaped housings (606) are installed on the opposite sides of the rectangular block (601); Second hydraulic telescopic links (607) are installed on the inner sides of the U-shaped housings (606), and the telescopic ends of the second hydraulic telescopic links (607) penetrate through the outer wall of the rectangular block (601) and extend into the cavity (6011); A pressing block (605) is mounted on the telescopic end of the second hydraulic telescopic link (607), and the pressing block (605) is located in the cavity (6011).

4. A device for use in the exploration of minerals according to claim 1, characterised in that: The driving seat (7) comprises a shell (701) and a cover (704), the cover (704) is installed on the opening of the shell (701), and the shell (701) and the cover (704) are both provided with through holes, and the drill rod (9) passes through the through holes of the shell (701) and the cover (704); The gear set (702) is installed in the shell (701), the passive wheel (703) is sleeved on the drill rod (9), and the passive wheel (703) is connected with the output end of the gear set; The driving motor (705) is installed on the outside of the cover (704), and the driving motor (705) is connected with the input end of the gear set.

5. The device according to claim 1, characterized in that: The other end of the rod body (901) passes through the driving seat (7) and is installed in the rectangular block (601), and the outer side of the rod body (901) is provided with the passive wheel (703).

6. A device for use in the exploration of minerals according to claim 5, characterised in that: The outer side of the rod body (901) is provided with a plurality of grooves distributed along the axis direction, and the inner wall of the passive wheel (703) is provided with a convex rib matched with the groove; the moving rectangular block (601) pushes the rod body (901) to move to one side.

7. A device for use in the exploration of minerals according to claim 1, characterised in that: The vertical seat (3) and the base (1) are connected through a pin shaft, and the first hydraulic telescopic rod (4) and the base (1) are connected through a pin shaft.

8. A device for use in the exploration of minerals according to claim 1, characterised in that: The end of the drill rod (9) moves in the range of 0-90°.

9. A method of sampling by tunneling for mineral exploration according to any one of claims 1 to 8, characterised in that, The method comprises the following steps: Step one, by adjusting the angle of the first hydraulic telescopic rod (4), the position of the end of the drill rod (9) is changed to realize alignment with the sampling point; Step two, the driving seat (7) drives the drill rod (9) to rotate, and at the same time, the tail seat (6) is pushed forward by the hydraulic push rod (10) to realize the drilling work on the inner wall of the mine tunnel; At the same time of drilling, the connecting seat (602) and the connecting pipe (603) are communicated, the high-pressure water supply pipe can be connected on the connecting pipe (603), the water flow passes through the connecting pipe (603), the connecting seat (603) and enters the inside of the rod body (901) in sequence, and is discharged through the through hole (903) provided on the end of the drill bit (902) and the annular groove formed between the inner diameter of the drill hole and the outer side of the rod body (901).

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