A trenching and trench sampling machine for mineral exploration

Abstract

A kind of slot sampling machine for mineral exploration groove exploration, including shell, connecting frame, drive mechanism, rotating rod, spacing adjusting mechanism, blade and dust prevention mechanism;Sliding block is inserted in the first sliding groove and slides along the first sliding groove, the sliding block side wall is fixedly provided with connecting block, the connecting block penetrates the second sliding groove and slides along the second sliding groove, the mounting seat is sleeved on the rotating rod and is fixedly connected with the connecting block, the blade is sleeved on the mounting seat and is in contact with the mounting seat side wall, the fixed sheet is sleeved on the mounting seat and is in contact with the blade side wall, the first connecting screw rod penetrates the fixed sheet and the blade in sequence and is inserted into the mounting seat inside and is threadedly connected with the mounting seat.The utility model discloses through being provided with sliding block and mounting seat, the mounting seat is sleeved on the rotating rod and is fixedly connected with sliding block by connecting block, the blade is installed on the mounting seat, the mounting seat is matched along the rotating rod horizontal sliding by sliding block and connecting block, can adjust the distance between two blades according to different width needs, improve the applicability of device.

Description

Technical Field

[0001] This utility model relates to the field of mineral exploration technology, and more specifically, to a grooved sampling machine for mineral exploration. Background Technology

[0002] Mineral exploration is a practical branch of geology that studies the geological conditions for the formation and distribution of minerals, the occurrence patterns of mineral deposits, the characteristics of ore body variations, and the most effective methods for identifying and evaluating industrial mineral deposits. The task of mineral exploration is to discover and identify industrial mineral deposits. To this end, it is necessary to use exploration methods such as geological mapping, geophysical exploration, geochemical exploration, drilling, and pitting. It is also necessary to conduct sampling analysis, study ore quality, delineate ore bodies using industrial indicators and calculate reserves, study the technical performance of ore beneficiation and metallurgy, and the hydrogeological and engineering geological conditions for mining, make technical and economic evaluations of mineral deposits, and prepare geological exploration reports. Groove sampling is an indispensable part of mineral exploration.

[0003] Patent CN212871769U discloses a dust-proof grooving sampling machine, including a grooving sampling machine body, blades, a dust cover, and sliding mechanisms. Two blades are symmetrically arranged at one end of the grooving sampling machine body. The dust cover is movably mounted on the grooving sampling machine body and covers the blades. Two sliding mechanisms are respectively arranged on both sides of the grooving sampling machine body and connected to the dust cover. This patent, through the movable design of the dust cover, allows the dust cover to fit snugly against the concrete surface, effectively blocking dust splashes generated during sampling and protecting the health of operators. However, this patent cannot adjust the distance between the blades according to different width requirements, resulting in poor applicability. Utility Model Content

[0004] This invention aims to overcome the inability to adjust the distance between blades to suit different width requirements, and provides a slotting and sampling machine for mineral exploration.

[0005] A trenching and sampling machine for mineral exploration includes a housing, a connecting frame, a drive mechanism, a rotating rod, a spacing adjustment mechanism, a blade, and a dust-blocking mechanism. The connecting frame is fixedly installed at the front end of the housing. The rotating rod passes through the end of the connecting frame away from the housing and is rotatably connected to the connecting frame. The drive mechanism is installed between the housing and the rotating rod. The spacing adjustment mechanism is installed between the rotating rod and the blade. The dust-blocking mechanism is installed on the housing.

[0006] The spacing adjustment mechanism includes a slider, a mounting base, a fixing plate, and a first connecting screw. A first groove is provided inside the rotating rod, and the slider is inserted into the first groove and slides along the first groove. A second groove is provided on the side wall of the rotating rod, and the second groove is connected to the first groove. A connecting block is fixedly provided on the side wall of the slider, and the connecting block passes through the second groove and slides along the second groove. The mounting base is sleeved on the rotating rod and is fixedly connected to the connecting block. The blade is sleeved on the mounting base and contacts the side wall of the mounting base. The fixing plate is sleeved on the mounting base and contacts the side wall of the blade. The first connecting screw passes through the fixing plate and the blade in sequence, and the first connecting screw is inserted into the mounting base and threadedly connected to the mounting base.

[0007] Furthermore, the spacing adjustment mechanism also includes a bidirectional lead screw and a rotating assembly. The bidirectional lead screw is inserted into the first slide groove and rotatably connected to the rotating rod. The slider is sleeved on the bidirectional lead screw and slides along the first slide groove through the bidirectional lead screw. The rotating assembly is disposed between the bidirectional lead screw and the rotating rod.

[0008] Furthermore, the rotating assembly includes a rotating shaft and a connecting rod. The two ends of the bidirectional lead screw are fixedly provided with rotating shafts, which are inserted into the rotating rod and rotatably connected to it. One end of the connecting rod is fixedly connected to the side wall of a rotating shaft, and the other end of the connecting rod passes through the side wall of the rotating rod.

[0009] Furthermore, the rotating assembly also includes a handle and a second connecting screw. The end of the connecting rod that extends out of the rotating rod has a first slot. A first insert is fixedly provided on the side wall of the handle. The first insert is inserted into the first slot. The second connecting screw passes through the handle and the first insert in sequence, and is inserted into the connecting rod and threadedly connected to the connecting rod.

[0010] Furthermore, a second slot is provided at one end of the rotating rod, a locking block is inserted between the first slot and the second slot, a third connecting screw is threaded through the locking block, the third connecting screw passes through the locking block, and the third connecting screw is inserted into the connecting rod and threadedly connected to the connecting rod.

[0011] Furthermore, a corrugated hose for dust prevention is fitted onto the bidirectional lead screw, with one end of the corrugated hose attached to the side wall of the slider and the other end attached to the inner wall of the first slide groove.

[0012] Furthermore, the drive mechanism includes a first sprocket, a second sprocket, and a chain. The first sprocket is sleeved on the part of the rotating rod inserted into the connecting frame and is fixedly connected to the rotating rod. A rotating groove is provided inside the housing. The second sprocket is inserted into the rotating groove and is rotatably connected to the housing. The chain is sleeved on the side of the first sprocket and the second sprocket that are far apart from each other, and the chain meshes with the first sprocket and the second sprocket.

[0013] Furthermore, the drive mechanism also includes a servo motor, which is mounted on the side wall of the housing. The output shaft of the servo motor passes through the rotating groove and is fixedly connected to the second sprocket.

[0014] Furthermore, the dust-blocking mechanism includes a dust-blocking top frame, a fourth connecting screw, a dust-blocking soft sleeve, and a rubber pad. The dust-blocking top frame is fitted onto the outside of the housing, the fourth connecting screw passes through the dust-blocking top frame, and the fourth connecting screw is inserted into the housing and threadedly connected to the housing. One end of the dust-blocking soft sleeve is inserted into the end of the dust-blocking top frame away from the housing, and the rubber pad is inserted into the other end of the dust-blocking soft sleeve.

[0015] Furthermore, it also includes a grip and a carrying handle, with the grip fixedly mounted at the rear end of the housing and the carrying handle mounted on the top surface of the housing.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] ① The trenching and sampling machine for mineral exploration provided by this utility model has a slider and a mounting base. The mounting base is sleeved on the rotating rod and fixedly connected to the slider through a connecting block. The blade is installed on the mounting base. The mounting base slides horizontally along the rotating rod through the cooperation between the slider and the connecting block. The distance between the two blades can be adjusted according to different width requirements, thereby improving the applicability of the device. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of the trench sampling machine for mineral exploration in this utility model.

[0020] Figure 2 This is a schematic diagram of the specific structure of the spacing adjustment mechanism in this utility model.

[0021] Figure 3 This is a schematic diagram of the specific structure of the rotating component in this utility model.

[0022] Figure 4 This is a schematic diagram of the specific structure of the locking block in this utility model.

[0023] Figure 5 This is a schematic diagram of the specific structure of the drive mechanism in this utility model.

[0024] Figure 6 This is a schematic diagram of the dust-blocking mechanism in this utility model.

[0025] In the diagram: 1. Housing; 2. Connecting frame; 3. Rotating rod; 4. Blade; 5. Slider; 6. Mounting base; 7. Fixing plate; 8. First connecting screw; 9. First slide groove; 10. Second slide groove; 11. Connecting block; 12. Bidirectional lead screw; 13. Rotating shaft; 14. Connecting rod; 15. Handle; 16. Second connecting screw; 17. First slot; 18. First insert block; 19. Second slot; 20. Locking block; 21. Third connecting screw; 22. Corrugated hose; 23. First sprocket; 24. Second sprocket; 25. Chain; 26. Rotating groove; 27. Servo motor; 28. Dustproof top frame; 29. ​​Fourth connecting screw; 30. Dustproof soft sleeve; 31. Rubber pad; 32. Handle; 33. Lifting handle. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figure 1 As shown, a trenching and sampling machine for mineral exploration includes a housing 1, a connecting frame 2, a drive mechanism, a rotating rod 3, a spacing adjustment mechanism, a blade 4, and a dust-blocking mechanism. The connecting frame 2 is fixedly installed at the front end of the housing 1. The rotating rod 3 passes through the end of the connecting frame 2 away from the housing 1 and is rotatably connected to the connecting frame 2. The drive mechanism is located between the housing 1 and the rotating rod 3. The spacing adjustment mechanism is located between the rotating rod 3 and the blade 4. The dust-blocking mechanism is located on the housing 1. Specifically, the connecting frame 2 is integrally formed with the housing 1. A through hole is opened at the end of the connecting frame 2 away from the housing 1. The rotating rod 3 passes through the through hole and is rotatably connected to the connecting frame 2. The drive mechanism is located between the housing 1 and the rotating rod 3. The spacing adjustment mechanism is located between the rotating rod 3 and the blade 4. The dust-blocking mechanism is located on the housing 1.

[0028] like Figure 2As shown, the spacing adjustment mechanism includes a slider 5, a mounting base 6, a fixing plate 7, and a first connecting screw 8. A first groove 9 is formed inside the rotating rod 3. The slider 5 is inserted into the first groove 9 and slides along it. A second groove 10 is formed on the side wall of the rotating rod 3, communicating with the first groove 9. A connecting block 11 is fixedly mounted on the side wall of the slider 5, passing through the second groove 10 and sliding along it. The mounting base 6 is sleeved on the rotating rod 3 and fixedly connected to the connecting block 11. The blade 4 is sleeved on the mounting base 6 and contacts the side wall of the mounting base 6. The fixing plate 7 is sleeved on the mounting base 6 and contacts the side wall of the blade 4. The first connecting screw 8 passes through the fixing plate 7 and the blade 4 in sequence, and is threaded into the mounting base 6. Specifically, the rotating rod 3 has a first groove 9 inside it. A first sliding groove 9 is provided, and a slider 5 is inserted into the first sliding groove 9 and slides along the first sliding groove 9. A second sliding groove 10 is provided on the side wall of the rotating rod 3, and the second sliding groove 10 is connected to the first sliding groove 9. A connecting block 11 is integrally formed with the slider 5, and the connecting block 11 passes through the second sliding groove 10 and slides along the second sliding groove 10. A mounting base 6 is sleeved on the rotating rod 3 and welded to the connecting block 11. A blade 4 is sleeved on the mounting base 6 and contacts the side wall of the mounting base 6. A fixing plate 7 is sleeved on the mounting base 6 and contacts the side wall of the blade 4. Both the fixing plate 7 and the blade 4 have through holes. The mounting base 6 has a threaded hole. A first connecting screw 8 passes through the through holes on the fixing plate 7 and the blade 4 in sequence, and the part of the first connecting screw 8 that passes through the through hole on the blade 4 is inserted into the threaded hole of the mounting base 6 and threadedly connected to the threaded hole of the mounting base 6.

[0029] In this utility model, by setting a slider 5 and a mounting base 6, the mounting base 6 is sleeved on the rotating rod 3 and fixedly connected to the slider 5 through a connecting block 11. The blade 4 is installed on the mounting base 6. The mounting base 6 slides horizontally along the rotating rod 3 through the cooperation between the slider 5 and the connecting block 11. The distance between the two blades 4 can be adjusted according to different width requirements, thereby improving the applicability of the device.

[0030] The spacing adjustment mechanism also includes a bidirectional lead screw 12 and a rotating assembly. The bidirectional lead screw 12 is inserted into the first slide groove 9 and rotatably connected to the rotating rod 3. The slider 5 is sleeved on the bidirectional lead screw 12 and slides along the first slide groove 9 through the bidirectional lead screw 12. The rotating assembly is located between the bidirectional lead screw 12 and the rotating rod 3. Specifically, the bidirectional lead screw 12 is inserted into the first slide groove 9 and rotatably connected to the rotating rod 3. A through hole is opened at the center of the slider 5. The through hole is provided with an internal thread that matches the bidirectional lead screw 12. The slider 5 is sleeved on the bidirectional lead screw 12 through the through hole and slides along the first slide groove 9 through the internal thread that cooperates with the bidirectional lead screw 12. The rotating assembly is located between the bidirectional lead screw 12 and the rotating rod 3.

[0031] like Figure 3As shown, the rotating assembly includes a rotating shaft 13 and a connecting rod 14. The two ends of the bidirectional lead screw 12 are fixedly provided with rotating shafts 13. The rotating shafts 13 are inserted into the rotating rod 3 and rotatably connected to the rotating rod 3. One end of the connecting rod 14 is fixedly connected to the side wall of one of the rotating shafts 13, and the other end of the connecting rod 14 passes through the side wall of the rotating rod 3. Specifically, the two ends of the bidirectional lead screw 12 are welded with rotating shafts 13. Rotating grooves are provided inside the two ends of the rotating rod 3. The rotating shafts 13 are inserted into the rotating grooves of the rotating shafts 13 and rotatably connected to the rotating rod 3. One end of the connecting rod 14 is welded to the side wall of one of the rotating shafts 13, and the other end of the connecting rod 14 passes through the side wall of the rotating rod 3.

[0032] The rotating assembly also includes a handle 15 and a second connecting screw 16. One end of the connecting rod 14 that protrudes from the rotating rod 3 has a first slot 17. A first insert 18 is fixedly installed on the side wall of the handle 15. The first insert 18 is inserted into the first slot 17. The second connecting screw 16 passes through the handle 15 and the first insert 18 in sequence, and is inserted into the connecting rod 14 and threadedly connected to the connecting rod 14. Specifically, one end of the connecting rod 14 that protrudes from the rotating rod 3 has a first slot 17. The first insert 18 is integrally formed with the handle 15. The first insert 18 is inserted into the first slot 17. Both the handle 15 and the first insert 18 have through holes. The connecting rod 14 has a threaded hole. The second connecting screw 16 passes through the through holes of the handle 15 and the first insert 18 in sequence. The part of the second connecting screw 16 that protrudes from the through hole of the first insert 18 is inserted into the threaded hole of the connecting rod 14 and threadedly connected to the threaded hole of the connecting rod 14.

[0033] like Figure 4 As shown, a second slot 19 is provided at one end of the rotating rod 3. A locking block 20 is inserted between the first slot 17 and the second slot 19. A third connecting screw 21 passes through the locking block 20 and is threaded into the connecting rod 14. Specifically, a second slot 19 is provided at one end of the rotating rod 3. A locking block 20 is inserted between the first slot 17 and the second slot 19. A through hole is provided on the locking block 20. The third connecting screw 21 passes through the through hole on the locking block 20, and the part of the third connecting screw 21 that passes through the through hole of the locking block 20 is inserted into the threaded hole of the connecting rod 14 and is threaded into the threaded hole of the connecting rod 14.

[0034] A corrugated hose 22 for dust prevention is fitted on the bidirectional lead screw 12. One end of the corrugated hose 22 is attached to the side wall of the slider 5, and the other end of the corrugated hose 22 is attached to the inner wall of the first slide groove 9. Specifically, the bidirectional lead screw 12 is fitted with a corrugated hose 22 for dust prevention, one end of the corrugated hose 22 is attached to the side wall of the slider 5, and the other end of the corrugated hose 22 is attached to the inner wall of the first slide groove 9.

[0035] like Figure 5As shown, the drive mechanism includes a first sprocket 23, a second sprocket 24, and a chain 25. The first sprocket 23 is fitted onto the part of the rotating rod 3 inserted into the connecting frame 2 and is fixedly connected to the rotating rod 3. A rotating groove 26 is provided inside the housing 1. The second sprocket 24 is inserted into the rotating groove 26 and is rotatably connected to the housing 1. The chain 25 is fitted onto the side of the first sprocket 23 and the second sprocket 24 that are far apart from each other, and the chain 25 meshes with the first sprocket 23 and the second sprocket 24. Specifically, the first sprocket 23 is fitted onto the part of the rotating rod 3 inserted into the connecting frame 2 and is welded to the rotating rod 3. A rotating groove 26 is provided on the inner wall of the housing 1. The second sprocket 24 is inserted into the rotating groove 26 and is rotatably connected to the housing 1. The chain 25 is fitted onto the side of the first sprocket 23 and the second sprocket 24 that are far apart from each other, and the chain 25 meshes with the first sprocket 23 and the second sprocket 24.

[0036] The drive mechanism also includes a servo motor 27, which is mounted on the side wall of the housing 1. The output shaft of the servo motor 27 passes through the rotating groove 26 and is fixedly connected to the second sprocket 24. Specifically, the servo motor 27 is mounted on the side wall of the housing 1 through a base, and the output shaft of the servo motor 27 passes through the rotating groove 26 and is welded to the second sprocket 24. A control module (not shown in the figure) is provided inside the housing 1, and the servo motor 27 is electrically connected to the control module through wires.

[0037] like Figure 6 As shown, the dust-blocking mechanism includes a dust-blocking top frame 28, a fourth connecting screw 29, a dust-blocking soft sleeve 30, and a rubber pad 31. The dust-blocking top frame 28 is fitted onto the outside of the housing 1. The fourth connecting screw 29 passes through the dust-blocking top frame 28 and is threaded into the housing 1. One end of the dust-blocking soft sleeve 30 is inserted into the end of the dust-blocking top frame 28 away from the housing 1, and the rubber pad 31 is inserted into the other end of the dust-blocking soft sleeve 30. The dust-blocking top frame 28 is fitted onto the outside of the housing 1. A through hole is opened on the side wall of the part of the dust-blocking top frame 28 fitted onto the housing 1. A threaded hole is opened on the housing 1. The fourth connecting screw 29 passes through the through hole of the dust-blocking top frame 28, and the fourth connecting screw 29 is threaded into the housing 1. The part of the connecting screw 29 that passes through the through hole is inserted into the threaded hole of the housing 1 and is threadedly connected to the threaded hole of the housing 1. One end of the dustproof soft sleeve 30 is provided with a connecting part. The end of the dustproof top frame 28 away from the housing 1 is provided with a connecting groove. The connecting part of one end of the dustproof soft sleeve 30 is inserted into the connecting groove of the dustproof top frame 28. One end of the rubber pad 31 is provided with a connecting part. The other end of the dustproof soft sleeve 30 is provided with a connecting groove. The connecting part on the rubber pad 31 is inserted into the connecting groove of the dustproof soft sleeve 30. The dustproof soft sleeve 30 and the rubber pad 31 cover the outside of the blade 4. When grooving and sampling are performed, the rubber pad 31 is in close contact with the material surface to prevent debris from splashing.

[0038] It also includes a handle 32 and a carrying handle 33. The handle 32 is fixedly installed at the rear end of the housing 1, and the carrying handle 33 is installed on the top surface of the housing 1. Specifically, the handle 32 is integrally formed with the housing 1, and the carrying handle 33 is installed on the top surface of the housing 1 to facilitate the operator to hold the device. A control switch (not shown in the figure) is set on the handle 32. The control switch is electrically connected to the control module through a wire, and the device is connected to an external power supply (not shown in the figure).

[0039] The working principle of the trenching and sampling machine for mineral exploration in this embodiment is as follows:

[0040] Adjust the spacing between the blades 4, unscrew the third connecting screw 21 and remove the locking block 20. Insert the handle 15 onto the connecting rod 14 using the insert block. Insert the second connecting screw 16 and tighten it. Rotate the handle 15. The connecting rod 14 rotates with the handle 15, the rotating shaft 13 rotates with the connecting rod 14, and the bidirectional lead screw 12 rotates with the rotating shaft 13. The two sliders 5 rotate with the bidirectional lead screw 12 and slide horizontally along the first slide groove 9, moving away from or closer to each other. The connecting block 11 slides horizontally along the second slide groove 10 with the sliders 5. The mounting base 6 slides horizontally along the rotating rod 3 with the connecting block 11. The blades 4 move horizontally with the mounting base 6 until the spacing requirement is met. Unscrew the second connecting screw 16 and remove the handle 15. Insert the locking block 20 into the first slot 17 and the second slot 19. Insert the third connecting screw... The rod 21 is tightened to lock the position of the slider 5 on the bidirectional lead screw 12. The device is connected to an external power supply, and the servo motor 27 is started by the control switch. The servo motor 27 rotates the output shaft, the second sprocket 24 rotates with the output shaft, the chain 25 rotates with the second sprocket 24, the first sprocket 23 rotates with the chain 25, the rotating rod 3 rotates with the first sprocket 23, the mounting base 6 rotates with the rotating rod 3, and the blade 4 rotates with the mounting base 6. The operator holds the handle 32 and the lifting handle 33, so that the blade 4 can groove and sample the material. At the same time, the rubber pad 31 contacts the surface of the material, and the device is pushed to sample the material. At the same time, the dustproof top frame 28 and the dustproof soft sleeve 30 prevent debris from flying during sampling, and the dustproof soft sleeve 30 protects the device by rebounding when not in operation.

[0041] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A trenching and sampling machine for mineral exploration, characterized in that: The device includes a housing (1), a connecting frame (2), a drive mechanism, a rotating rod (3), a spacing adjustment mechanism, a blade (4), and a dust-blocking mechanism. The connecting frame (2) is fixedly disposed at the front end of the housing (1). The rotating rod (3) passes through the end of the connecting frame (2) away from the housing (1) and is rotatably connected to the connecting frame (2). The drive mechanism is disposed between the housing (1) and the rotating rod (3). The spacing adjustment mechanism is disposed between the rotating rod (3) and the blade (4). The dust-blocking mechanism is disposed on the housing (1). The spacing adjustment mechanism includes a slider (5), a mounting base (6), a fixing plate (7), and a first connecting screw (8). A first groove (9) is provided inside the rotating rod (3). The slider (5) is inserted into the first groove (9) and slides along it. A second groove (10) is provided on the side wall of the rotating rod (3), and the second groove (10) communicates with the first groove (9). A connecting block (11) is fixedly provided on the side wall of the slider (5), and the connecting block (11) passes through the second groove (10) and slides along it. The second slide groove (10) slides, the mounting base (6) is sleeved on the rotating rod (3) and fixedly connected to the connecting block (11), the blade (4) is sleeved on the mounting base (6) and contacts the side wall of the mounting base (6), the fixing piece (7) is sleeved on the mounting base (6) and contacts the side wall of the blade (4), the first connecting screw (8) passes through the fixing piece (7) and the blade (4) in sequence, and the first connecting screw (8) is inserted into the mounting base (6) and threadedly connected to the mounting base (6).

2. The trenching and sampling machine for mineral exploration according to claim 1, characterized in that: The spacing adjustment mechanism further includes a bidirectional lead screw (12) and a rotating assembly. The bidirectional lead screw (12) is inserted into the first slide groove (9) and rotatably connected to the rotating rod (3). The slider (5) is sleeved on the bidirectional lead screw (12) and slides along the first slide groove (9) through the bidirectional lead screw (12). The rotating assembly is disposed between the bidirectional lead screw (12) and the rotating rod (3).

3. The trenching and sampling machine for mineral exploration according to claim 2, characterized in that: The rotating assembly includes a rotating shaft (13) and a connecting rod (14). The rotating shaft (13) is fixedly installed at both ends of the bidirectional lead screw (12). The rotating shaft (13) is inserted into the rotating rod (3) and rotatably connected to the rotating rod (3). One end of the connecting rod (14) is fixedly connected to the side wall of the rotating shaft (13), and the other end of the connecting rod (14) passes through the side wall of the rotating rod (3).

4. A trenching and sampling machine for mineral exploration according to claim 3, characterized in that: The rotating assembly also includes a handle (15) and a second connecting screw (16). The connecting rod (14) has a first slot (17) at one end that protrudes from the rotating rod (3). A first insert (18) is fixedly provided on the side wall of the handle (15). The first insert (18) is inserted into the first slot (17). The second connecting screw (16) passes through the handle (15) and the first insert (18) in sequence, and the second connecting screw (16) is inserted into the connecting rod (14) and threadedly connected to the connecting rod (14).

5. A trenching and sampling machine for mineral exploration according to claim 4, characterized in that: The rotating rod (3) has a second slot (19) at one end. A locking block (20) is inserted between the first slot (17) and the second slot (19). A third connecting screw (21) is threaded through the locking block (20). The third connecting screw (21) passes through the locking block (20) and is inserted into the connecting rod (14) and threadedly connected to the connecting rod (14).

6. A trenching and sampling machine for mineral exploration according to claim 2, characterized in that: A corrugated hose (22) for dust prevention is fitted on the bidirectional lead screw (12). One end of the corrugated hose (22) is attached to the side wall of the slider (5), and the other end of the corrugated hose (22) is attached to the inner wall of the first groove (9).

7. A trenching and sampling machine for mineral exploration according to claim 1, characterized in that: The driving mechanism includes a first sprocket (23), a second sprocket (24), and a chain (25). The first sprocket (23) is sleeved on the part of the rotating rod (3) inserted into the connecting frame (2) and is fixedly connected to the rotating rod (3). A rotating groove (26) is provided inside the housing (1). The second sprocket (24) is inserted into the rotating groove (26) and is rotatably connected to the housing (1). The chain (25) is sleeved on the side of the first sprocket (23) and the second sprocket (24) that are far apart from each other, and the chain (25) meshes with the first sprocket (23) and the second sprocket (24).

8. A trenching and sampling machine for mineral exploration according to claim 7, characterized in that: The drive mechanism also includes a servo motor (27), which is mounted on the side wall of the housing (1). The output shaft of the servo motor (27) passes through the rotating groove (26) and is fixedly connected to the second sprocket (24).

9. A trenching and sampling machine for mineral exploration according to claim 1, characterized in that: The dust-blocking mechanism includes a dust-blocking top frame (28), a fourth connecting screw (29), a dust-blocking soft sleeve (30), and a rubber pad (31). The dust-blocking top frame (28) is sleeved on the outside of the housing (1). The fourth connecting screw (29) passes through the dust-blocking top frame (28) and is inserted into the housing (1) and threadedly connected to the housing (1). One end of the dust-blocking soft sleeve (30) is inserted into the end of the dust-blocking top frame (28) away from the housing (1), and the rubber pad (31) is inserted into the other end of the dust-blocking soft sleeve (30).

10. A trenching and sampling machine for mineral exploration according to claim 1, characterized in that: It also includes a grip (32) and a carrying handle (33), the grip (32) being fixedly disposed at the rear end of the housing (1), and the carrying handle (33) being mounted on the top surface of the housing (1).

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