Auxiliary device for coal field geological exploration

Abstract

The utility model discloses an auxiliary device for coal field geological exploration, which belongs to the technical field of drilling devices and comprises a supporting plate, a rotary component is arranged on the supporting plate, and a plurality of sections of sampling pipe components are arranged at the output end of the rotary component. The sampling pipe assembly comprises an outer pipe and two semicircular pipes, the two semicircular pipes define an inner pipe, a plurality of connecting blocks are fixedly connected to the side wall of any semicircular pipe, a plurality of connecting grooves are formed in the side wall of the other semicircular pipe, the connecting blocks are inserted into the connecting grooves, the outer wall of the inner pipe is in threaded connection with the inner wall of the outer pipe, and the inner pipe and the outer pipe are the same in height and arranged in a staggered mode. The outer wall of one end of the inner pipe extending out of the outer pipe is in threaded connection with the inner wall of the adjacent outer pipe; a plurality of water flow channels are formed in the outer pipes, and the water flow channels in every two adjacent outer pipes are communicated; a water supply assembly is arranged on the supporting plate and communicates with the water flow channel, close to the supporting plate, of the outer pipe. After the inner pipe and the outer pipe are rotationally separated, the two semicircular pipes can be directly opened, so that the operation difficulty is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling devices, in particular to an auxiliary device for coalfield geological exploration. Background Art

[0002] Coalfield geological exploration is a geological work to find and identify coal resources. During the exploration process, some professional drilling equipment is usually needed to assist. The core rod of the drilling equipment is drilled into the ground to obtain stratum samples and assist the staff in detecting whether there is a coal seam. The drill rod in the drilling equipment is divided into an outer tube and an inner tube. The inner tube is surrounded by two semicircular tubes and locked by multiple clamps. During drilling, water flows from the gap between the inner tube and the outer tube into the drill bit below to cool it down, and the mud flows out from the gap between the outer tube and the hole wall. The core is wrapped in the inner tube, thereby achieving sampling. However, after the sampling is completed, the inner tube needs to be removed from the outer tube, and multiple locks need to be removed, and the two semicircular tubes need to be opened before the drilled samples can be taken out. The operation is relatively cumbersome.

[0003] Therefore, an auxiliary device for coalfield geological exploration is proposed. Utility Model Content

[0004] The utility model aims to provide an auxiliary device for coalfield geological exploration, aiming to solve or improve at least one of the above technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following solutions: The utility model provides an auxiliary device for coalfield geological exploration, including a support plate, a rotary assembly is arranged on the support plate, and a multi-section sampling tube assembly is arranged at the output end of the rotary assembly;

[0006] The sampling tube assembly comprises an outer tube and two semicircular tubes, the two semicircular tubes are combined to form an inner tube, a plurality of connection blocks are fixedly connected to the side wall of any of the semicircular tubes, a plurality of connection grooves are provided on the side wall of the other semicircular tube, the connection blocks are inserted into the connection grooves, the outer wall of the inner tube is threadedly connected to the inner wall of the outer tube, the inner tube and the outer tube have the same height and are staggered, the outer wall of one end of the inner tube extending out of the outer tube is threadedly connected to the inner wall of the adjacent outer tube; a plurality of water flow channels are provided on the outer tube, and the water flow channels on two adjacent outer tubes are connected;

[0007] A water supply assembly is arranged on the support plate, and the water supply assembly is communicated with the water flow channel on the outer tube close to the support plate, and a drilling assembly is connected to the outer tube far away from the support plate.

[0008] Preferably, a first annular groove is formed at one end of the outer tube close to the support plate, the first annular groove is connected to the plurality of water flow channels, the end faces of two adjacent outer tubes are in contact, and the first annular groove is connected to the plurality of water flow channels on the adjacent outer tubes.

[0009] Preferably, a connecting rod is fixedly connected to the output end of the rotating component, and a threaded groove is provided at one end of the connecting rod away from the rotating component. The outer tube at the end extends into the threaded groove and is threadedly connected to the threaded groove. A gap is provided between the outer tube and the groove wall of the threaded groove, the inner tube is in contact with the groove wall of the threaded groove, and the water supply component is connected to the gap.

[0010] Preferably, the water supply assembly includes a ring sleeve fixedly connected to the support plate, the ring sleeve is rotatably connected to the outside of the connecting rod, a water pipe is fixedly connected to the ring sleeve, and the water pipe is connected to the gap.

[0011] Preferably, a second annular groove is provided on the inner wall of the ring sleeve, the water pipe is connected to the second annular groove, a plurality of first through grooves connected to the gap are provided on the outer wall of the connecting rod, the ring sleeve is arranged outside the first through grooves, and the second annular groove is connected to a plurality of the first through grooves.

[0012] Preferably, the rotary assembly includes a motor fixedly connected to the support plate, and an output shaft of the motor is fixedly connected to the connecting rod.

[0013] Preferably, the drilling assembly includes a small diameter tube and a large diameter tube, the small diameter tube is fixedly connected to the large diameter tube, the small diameter tube is threadedly connected to the inner wall of the outer tube away from the support plate, a spacing is provided between the large diameter tube and the outer tube, and a plurality of drill beads are fixedly connected to the end face of the large diameter tube.

[0014] Preferably, the inner diameters of the small-diameter tube and the large-diameter tube are the same as the inner diameter of the inner tube.

[0015] The utility model discloses the following technical effects: a first threaded end is threadably connected to an outer tube to realize installation of an inner tube and an outer tube, a rotary assembly is used to drive a drilling assembly to drill a hole, water in a water supply assembly flows out through a water flow channel of the outer tube during the drilling process to cool the drilling assembly, mud flows out from a gap between the outer tube and the hole wall, a core enters the inner tube, and after drilling is completed, a sampling tube assembly is lifted out of the borehole, and after the inner tube and the outer tube are rotated and separated, the two semicircular tubes can be directly opened to take out the core, thereby reducing the difficulty of operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the water flow channel and the first annular groove in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the connecting rod in the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the semicircular tube in the utility model;

[0022] Figure 6 for Figure 5 A partial enlarged view of middle A.

[0023] In the figure: 1, support plate; 2, outer tube; 3, semicircular tube; 4, inner tube; 5, connecting block; 6, connecting groove; 7, water flow channel; 8, first annular groove; 9, connecting rod; 10, threaded groove; 11, gap; 12, ring sleeve; 13, water pipe; 14, second annular groove; 15, first through groove; 16, motor; 17, small diameter tube; 18, large diameter tube; 19, drill bead. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Reference Figure 1-Figure 6 The utility model provides an auxiliary device for coalfield geological exploration, comprising a support plate 1, a rotary assembly is arranged on the support plate 1, and a multi-section sampling tube assembly is arranged at the output end of the rotary assembly;

[0027] The sampling tube assembly comprises an outer tube 2 and two semicircular tubes 3, the two semicircular tubes 3 are combined to form an inner tube 4, a plurality of connecting blocks 5 are fixedly connected to the side wall of any semicircular tube 3, a plurality of connecting grooves 6 are provided on the side wall of the other semicircular tube 3, when the two semicircular tubes 3 are in contact to form the inner tube 4, the connecting blocks 5 are inserted into the connecting grooves 6, a first threaded section is provided on the outer wall of the inner tube 4, the first threaded section is threadedly connected to the inner wall of the outer tube 2, the inner tube 4 has the same height as the outer tube 2 and is staggered, a second threaded end is provided on the outer wall of one end of the inner tube 4 extending out of the outer tube 2, the second threaded section is threadedly connected to the inner wall of the adjacent outer tube 2; a plurality of water flow channels 7 are provided on the outer tube 2, and the water flow channels 7 on two adjacent outer tubes 2 are connected;

[0028] A water supply assembly is provided on the support plate 1, and the water supply assembly is communicated with a water flow channel 7 on the outer tube 2 close to the support plate 1, and a drilling assembly is connected to the outer tube 2 far from the support plate 1;

[0029] When in use, the support plate 1 is connected to a lifting device (not shown in the figure), lifted and lowered by the lifting device, and rotated by the rotary assembly to perform drilling work; the first threaded end on the inner tube 4 is threadedly connected to the outer tube 2 to achieve the installation of the inner tube 4 and the outer tube 2, and the second threaded section on the inner tube 4 is threadedly connected to the inner wall of the adjacent outer tube 2 to achieve the installation of the adjacent two outer tubes 2 and the two inner tubes 4. After installation, the end faces of the two inner tubes 4 are in contact, and the end faces of the two outer tubes 2 are in contact; during the drilling process, the water in the water supply assembly is connected. The water flows out through the water flow channel 7 of the outer tube to cool the drilling assembly, the mud flows out from the gap between the outer tube 2 and the hole wall, and the core enters the inner tube 4. After drilling is completed, the sampling tube assembly is lifted out of the borehole, and the inner tube 4 is rotated and separated from the adjacent outer tube 2 to achieve the separation of the two adjacent sampling tube assemblies. The inner tube 4 and the outer tube 2 on the sampling tube assembly are rotated and separated to achieve the separation of the inner tube 4 and the outer tube 2. After separation, the two semicircular tubes 3 can be directly opened to take out the core, reducing the difficulty of operation and improving work efficiency.

[0030] In a further optimized solution, a first annular groove 8 is provided at one end of the outer tube 2 close to the support plate 1, the first annular groove 8 is connected to a plurality of water flow channels 7, the end faces of two adjacent outer tubes 2 are in contact, and the first annular groove 8 is connected to a plurality of water flow channels 7 on the adjacent outer tubes 2;

[0031] The outer tube 2 is divided into two sections, one section is provided with a first annular groove 8, and the other section is provided with a plurality of water flow channels 7;

[0032] The output end of the rotary assembly is fixedly connected with a connecting rod 9, and a thread groove 10 is formed at one end of the connecting rod 9 away from the rotary assembly. The outer tube 2 at the end extends into the thread groove 10 and is threadedly connected with the thread groove 10. A gap 11 is provided between the outer tube 2 and the groove wall of the thread groove 10, the inner tube 4 contacts the groove wall of the thread groove 10, and the water supply assembly is connected with the gap 11;

[0033] The water supply assembly includes a ring sleeve 12 fixedly connected to the support plate 1, the ring sleeve 12 is rotatably connected to the outside of the connecting rod 9, a water pipe 13 is fixedly connected to the ring sleeve 12, and the water pipe 13 is connected to the gap 11;

[0034] A second annular groove 14 is formed on the inner wall of the ring sleeve 12, and the water pipe 13 is connected to the second annular groove 14. A plurality of first through grooves 15 connected to the gap 11 are formed on the outer wall of the connecting rod 9, and the ring sleeve 12 is sleeved outside the first through grooves 15, and the second annular groove 14 is connected to the plurality of first through grooves 15.

[0035] During the drilling process, the water pipe 13 is connected to an external water source, and water flows into the second annular groove 14, then flows through multiple first through grooves 15, gaps 11, first annular grooves 8, water flow channels 7 in sequence, and then flows out of the water flow channels 7 to cool the drilling components.

[0036] According to a further optimized solution, the rotary assembly includes a motor 16 fixedly connected to the support plate 1 , and an output shaft of the motor 16 is fixedly connected to the connecting rod 9 .

[0037] To further optimize the solution, the drilling assembly includes a small diameter tube 17 and a large diameter tube 18, the small diameter tube 17 and the large diameter tube 18 are fixedly connected, the small diameter tube 17 is threadedly connected to the inner wall of the outer tube 2 away from the support plate 1, a spacing is provided between the large diameter tube 18 and the outer tube 2, and a plurality of drill beads 19 are fixedly connected to the end surface of the large diameter tube 18; by setting the spacing, water can flow out from the water flow channel 7.

[0038] According to a further optimization scheme, the inner diameters of the small diameter tube 17 and the large diameter tube 18 are the same as the inner diameter of the inner tube 4 .

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An auxiliary device for coalfield geological exploration, characterized in that: It comprises a support plate (1), on which a rotary assembly is arranged, and an output end of the rotary assembly is provided with a multi-section sampling tube assembly; The sampling tube assembly comprises an outer tube (2) and two semicircular tubes (3), the two semicircular tubes (3) are combined to form an inner tube (4), a plurality of connection blocks (5) are fixedly connected to the side wall of any of the semicircular tubes (3), a plurality of connection grooves (6) are provided on the side wall of the other semicircular tube (3), the connection blocks (5) are inserted into the connection grooves (6), the outer wall of the inner tube (4) is threadedly connected to the inner wall of the outer tube (2), the inner tube (4) and the outer tube (2) are of the same height and are staggered, the outer wall of one end of the inner tube (4) extending out of the outer tube (2) is threadedly connected to the inner wall of the adjacent outer tube (2); a plurality of water flow channels (7) are provided on the outer tube (2), and the water flow channels (7) on two adjacent outer tubes (2) are connected; The support plate (1) is provided with a water supply assembly, the water supply assembly is in communication with the water flow channel (7) on the outer tube (2) close to the support plate (1), and the outer tube (2) far from the support plate (1) is connected with a drilling assembly.

2. The auxiliary device for coalfield geological exploration according to claim 1, characterized in that: A first annular groove (8) is provided at one end of the outer tube (2) close to the support plate (1), the first annular groove (8) being in communication with the plurality of water flow channels (7), the end surfaces of two adjacent outer tubes (2) being in contact, and the first annular groove (8) being in communication with the plurality of water flow channels (7) on the adjacent outer tubes (2).

3. The auxiliary device for coalfield geological exploration according to claim 1, characterized in that: A connecting rod (9) is fixedly connected to the output end of the rotary component. A threaded groove (10) is formed at one end of the connecting rod (9) away from the rotary component. The outer tube (2) at the end extends into the threaded groove (10) and is threadedly connected to the threaded groove (10). A gap (11) is provided between the outer tube (2) and the groove wall of the threaded groove (10). The inner tube (4) contacts the groove wall of the threaded groove (10), and the water supply component is connected to the gap (11).

4. The auxiliary device for coalfield geological exploration according to claim 3 is characterized in that: The water supply assembly comprises a ring sleeve (12) fixedly connected to the support plate (1), the ring sleeve (12) being rotatably connected to the outside of the connecting rod (9), a water pipe (13) being fixedly connected to the ring sleeve (12), and the water pipe (13) being connected to the gap (11).

5. The auxiliary device for coalfield geological exploration according to claim 4, characterized in that: A second annular groove (14) is provided on the inner wall of the ring sleeve (12), the water pipe (13) is connected to the second annular groove (14), a plurality of first through grooves (15) connected to the gap (11) are provided on the outer wall of the connecting rod (9), the ring sleeve (12) is sleeved outside the first through grooves (15), and the second annular groove (14) is connected to the plurality of first through grooves (15).

6. The auxiliary device for coalfield geological exploration according to claim 3, characterized in that: The rotary assembly comprises a motor (16) fixedly connected to the support plate (1), and an output shaft of the motor (16) is fixedly connected to the connecting rod (9).

7. The auxiliary device for coalfield geological exploration according to claim 1, characterized in that: The drilling assembly comprises a small diameter tube (17) and a large diameter tube (18), the small diameter tube (17) being fixedly connected to the large diameter tube (18), the small diameter tube (17) being threadedly connected to the inner wall of the outer tube (2) away from the support plate (1), a spacing being provided between the large diameter tube (18) and the outer tube (2), and a plurality of drill beads (19) being fixedly connected to the end surface of the large diameter tube (18).

8. The auxiliary device for coalfield geological exploration according to claim 7, characterized in that: The inner diameters of the small diameter tube (17) and the large diameter tube (18) are the same as the inner diameter of the inner tube (4).

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