Bidirectional geological sampling device for coal mine

Abstract

The utility model relates to the technical field of coal mine geological survey, and discloses a coal mine bidirectional geological sampling device which comprises a sampling vehicle, a partition plate is fixedly connected to the inner wall of the sampling vehicle, and a lifting assembly used for driving the sampling device to ascend and descend is fixedly connected to the top of the partition plate. The top of the partition plate is fixedly connected with a sampling assembly for sampling in a geological layer, the bottom of the lifting assembly is fixedly connected with a first connecting plate, the bottom of the first connecting plate is fixedly connected with a driving assembly for driving the sampling device to rotate, and the bottom of the driving assembly is fixedly connected with a spiral drill rod; the outer wall of the driving assembly is fixedly connected with a driving gear. According to the utility model, simultaneous sampling in the horizontal direction and the vertical direction is realized, so that coal mine geological samples are more comprehensively obtained, information of different angles and layers is covered, the representativeness of the samples is improved, and the coal mine geological conditions can be more accurately analyzed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine geological survey, especially relates to a two -way geological sampling device for coal mine. BACKGROUND

[0002] Coal is a kind of black or black brown solid combustible mineral that is mainly transformed from plant remains by complex biochemical and physical-chemical action, and its main components are carbon, hydrogen, oxygen, nitrogen, sulfur and other elements. Before coal mining, samples need to be collected, because the quality, composition and other characteristics of coal may be different in different areas, and these characteristics have a key influence on the mining method, utilization efficiency and many other aspects of coal. The geological sampling device for coal mine can accurately obtain samples from different positions and depths, which helps to fully understand the composition change and quality distribution of coal in horizontal and vertical directions.

[0003] Through the retrieval of Chinese patent literature publication number CN217059415U, a deep sampling device for coal mine geological survey is disclosed, which relates to the technical field of coal mine geological survey. The utility model discloses a processing chamber, support and sampling rod, the bottom end of the processing chamber is close to four corner places and is provided with a support, the top end of the processing chamber is movably connected with a mutually perpendicular leveler, the center position of the processing chamber is connected with a sampling rod, the bottom end of the sampling rod is fixedly connected with a collecting box, and the inside of the processing chamber is provided with a worm gear at the rear side of the sampling rod.

[0004] The above patent specification mentions the beneficial effects of "solving the problems of the existing processing chamber, leveler, grip block, blade, object seat, solving the problems of the existing sampling equipment affecting the use effect of the user, carrying equipment difficulty, equipment structure integration, the deep sampling device for coal mine geological survey is inconvenient to operate, the internal structure cannot be cleaned, the sampling material collection degree is not enough, the sampling equipment is not firm, the shaking caused by breaking soil leads to rapid equipment aging, the equipment does not have safety, structure integration, and poor breaking soil effect." Although the above patent can solve the problems of equipment carrying difficulty and difficult cleaning, in the prior art, due to the limitation of structure and the complexity of geological conditions, most geological sampling devices can only sample in the vertical direction and are difficult to sample in the horizontal direction at the same time, so that the obtained geological samples are single in dimension, it is difficult to fully reflect the true situation of geological structure and composition, and important information in the horizontal direction, such as the lateral distribution rule of mineral matter, is missed, therefore, a two-way geological sampling device for coal mine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a two-way geological sampling device for coal mine, which aims to improve the problem that part of the geological sampling device in the prior art can only sample in the vertical direction and is difficult to sample in the horizontal direction at the same time.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A two-way geological sampling device for coal mine, including sampling car, the inner wall of sampling car is fixedly connected with partition, the top of partition is fixedly connected with lifting assembly for driving sampling device to lift, the top of partition is fixedly connected with sampling assembly for sampling in geological layer, the bottom of lifting assembly is fixedly connected with connecting plate one, the bottom of connecting plate one is fixedly connected with drive assembly for driving sampling device to rotate, the bottom of drive assembly is fixedly connected with spiral drill rod, the outer wall of drive assembly is fixedly connected with drive gear, the bottom of connecting plate one is fixedly connected with two fixed piles, the top of two fixed piles is fixedly connected in the bottom of connecting plate one, the bottom of fixed pile is rotatably connected with transmission gear, the other end of transmission gear is fixedly connected with screw rod, the outer side of screw rod is threadedly connected with horizontal drill rod, the bottom of horizontal drill rod is fixedly connected with limiting assembly for limiting the movement of horizontal drill rod.

[0008] As a further description of the above technical scheme: the limiting assembly includes two limiting rods, the top of limiting rod is fixedly connected in the bottom of horizontal drill rod, the bottom of connecting plate one is fixedly connected with multiple connecting columns, the bottom of multiple connecting columns is fixedly connected with connecting plate two, the top of connecting plate two is provided with two limiting grooves, the bottom outer wall of limiting rod is in contact with the inner wall of limiting groove;

[0009] As a further description of the above technical scheme: the drive assembly includes motor, the output end of motor is fixedly connected with transmission column, the bottom of transmission column is fixedly connected in the top of spiral drill rod, the inner wall of drive gear is fixedly connected in the outer wall of transmission column, the outer side of two transmission gears is engaged with the outer side of drive gear.

[0010] As a further description of the above technical scheme: the sampling assembly includes two gas collecting cylinders, the bottom of two gas collecting cylinders is fixedly connected in the top of partition, the top of gas collecting cylinder is provided with negative pressure device, the bottom of gas collecting cylinder is fixedly connected with suction pipe, the other end inner wall of suction pipe is fixedly connected with filter plate, the other end of two suction pipes is fixedly connected with solid collection assembly.

[0011] As a further description of the above technical scheme: the solid collection assembly includes collection box, the top of collection box is fixedly connected with multiple mounting columns, the top of multiple mounting columns is detachably connected in the bottom of connecting plate two, the outer side of spiral drill rod is fixedly connected with spiral conveying block, the bottom of connecting plate two is fixedly connected with multiple fixed columns, the bottom of multiple fixed columns is fixedly connected with sleeve, the outer wall of sleeve is in contact with the inner wall of collection box.

[0012] As the further description of the above technical scheme: the lifting assembly includes a gas pump, the output end of the gas pump is fixedly connected with a telescopic column, and the bottom of the telescopic column is fixedly connected to the top of the connecting plate one.

[0013] As the further description of the above technical scheme: the outer wall of the sampling vehicle is rotatably connected with a door, the outer wall of the sampling vehicle is fixedly connected with a handle, and the bottom of the sampling vehicle is fixedly connected with a plurality of universal wheels.

[0014] As the further description of the above technical scheme: the outer wall of the transmission column is rotatably connected to the inside of the connecting plate two, and the outer wall of the transmission column is rotatably connected to the top of the sleeve.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1、The utility model discloses a whole drilling device moves to the specified depth through the gas pump, opens the motor, and the motor operation drives the spiral drill rod to rotate to drill the bottom layer, and the rotation of the transmission column drives the driving gear to rotate, and the rotation of the driving gear drives the rotation of the two transmission gears to drive the rotation of the screw rod, and under the action of the limiting rod, the horizontal drill rod slides outward first and then rotates to drill the horizontal direction, realizes the sampling of horizontal and vertical two directions simultaneously, and more comprehensive coal mine geological samples are obtained, the information of different angles and levels is covered, the representativeness of the sample is improved, and the coal mine geological condition is more accurately analyzed.

[0017] 2、The utility model discloses a negative pressure ware makes the negative pressure in the gas collecting cylinder and the collection box, and the air is extracted through the air extraction pipe and the discharge port, and the spiral conveying pipe transports the sample to the collection box along with the horizontal drill rod, after sampling, the door can be opened to disassemble the collection box, so that the sample in the collection box is obtained, so as to avoid the mutual mixing of solid samples and gas samples, guarantee the purity and original characteristics of respective samples, and help to save and research according to different sample types. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the three-dimensional schematic view of the bidirectional geological sampling device for coal mine that the utility model provides;

[0019] Figure 2 It is the structure schematic view of the gas collecting cylinder of the bidirectional geological sampling device for coal mine that the utility model provides;

[0020] Figure 3 It is the structure schematic view of the spiral drill rod of the bidirectional geological sampling device for coal mine that the utility model provides;

[0021] Figure 4 It is Figure 3enlarged view of A of Fig. 1;

[0022] Legend:

[0023] 1, sampling vehicle; 2, partition; 3, air pump; 4, telescopic column; 5, connecting plate one; 6, connecting column; 7, connecting plate two; 8, motor; 9, transmission column; 10, auger rod; 11, drive gear; 12, fixed pile; 13, transmission gear; 14, screw rod; 15, limiting rod; 16, transverse drill rod; 17, screw conveying block; 18, fixed column; 19, sleeve; 20, mounting column; 21, collection box; 22, air suction pipe; 23, filter plate; 24, gas collection cylinder; 25, negative pressure device; 26, vehicle door; 27, handle; 28, universal wheel. DETAILED DESCRIPTION

[0024] 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 labor fall within the scope of protection of the present application.

[0025] With reference to Figures 1 to 3 An embodiment provided by the present application: a bidirectional geological sampling device for coal mine, comprising a sampling vehicle 1, a vehicle door 26 is rotatably connected to the outer wall of the sampling vehicle 1, the vehicle door 26 can be opened and closed, which is convenient for an operator to operate the related components in the vehicle. A handle 27 is fixedly connected to the outer wall of the sampling vehicle 1, the operator can easily push the sampling vehicle 1 by holding the handle 27, which is convenient for moving the sampling vehicle 1 to a designated sampling position. A plurality of universal wheels 28 are fixedly connected to the bottom of the sampling vehicle 1, the universal wheels 28 are the basis for moving the whole device. A partition 2 is fixedly connected to the inner wall of the sampling vehicle 1, the partition 2 is used for bearing the internal sampling device. A lifting assembly for driving the sampling device to lift is fixedly connected to the top of the partition 2, the lifting assembly comprises an air pump 3, an output end of the air pump 3 is fixedly connected with a telescopic column 4, the telescopic column 4 is driven to extend and retract by the air pump 3, so as to drive the subsequent mechanism to lift. A sampling assembly for sampling in the geological layer is fixedly connected to the top of the partition 2, a connecting plate one 5 is fixedly connected to the bottom of the lifting assembly, the bottom of the telescopic column 4 is fixedly connected to the top of the connecting plate one 5, the connecting plate one 5 is used for providing a stable support point in cooperation with the subsequent structure, and the connecting plate one 5 and the subsequent structure are driven to move vertically by the extension and retraction of the telescopic column 4.

[0026] The bottom of the connecting plate one 5 is fixedly connected with a driving assembly for driving the sampling device to rotate, the bottom of the driving assembly is fixedly connected with a spiral drill rod 10, the spiral drill rod 10 is used for drilling in the vertical direction of the whole device, so as to collect the sample in the vertical direction of the geological layer. The outer wall of the driving assembly is fixedly connected with a driving gear 11, the driving gear 11 is used for transmitting the rotation in the horizontal direction to the structure for drilling in the vertical direction. The bottom of the connecting plate one 5 is fixedly connected with two fixed piles 12, the fixed piles 12 are used for providing a stable rotating support point for the subsequent structure. The top of the two fixed piles 12 is fixedly connected to the bottom of the connecting plate one 5, the bottom of the fixed pile 12 is rotatably connected with a transmission gear 13, the transmission gear 13 is used for converting the rotation of the driving gear 11 in the horizontal direction into the rotation in the vertical direction. The other end of the transmission gear 13 is fixedly connected with a screw rod 14, the outer side of the screw rod 14 is threadedly connected with a horizontal drill rod 16, the rotation of the driving gear 11 drives the transmission gear 13 to rotate, so as to drive the screw rod 14 to rotate, and the rotation of the screw rod 14 drives the horizontal drill rod 16 to slide in the horizontal direction. The bottom of the horizontal drill rod 16 is fixedly connected with a limiting assembly for limiting the movement of the horizontal drill rod 16, the limiting assembly is used for enabling the horizontal drill rod 16 to move only in the horizontal direction when being acted on by the limiting assembly.

[0027] The limiting assembly includes two limiting rods 15, the top of the limiting rod 15 is fixedly connected to the bottom of the horizontal drill rod 16, and is used for connecting the limiting assembly with the horizontal drill rod 16. The bottom of the connecting plate one 5 is fixedly connected with a plurality of connecting columns 6, the bottom of the plurality of connecting columns 6 is fixedly connected with a connecting plate two 7, the connecting plate two 7 and the connecting column 6 are used for cooperating with the connecting plate one 5 to form a stable support space, so as to avoid the telescopic column 4 directly contacting the driving assembly, the top of the connecting plate two 7 is provided with two limiting grooves, the bottom outer wall of the limiting rod 15 is in contact with the inner wall of the limiting groove, the rotation of the screw rod 14 and the sliding of the limiting rod 15 on the limiting groove enable the horizontal drill rod 16 to first slide horizontally, and when the limiting rod 15 slides out of the limiting groove, the screw rod 14 drives the horizontal drill rod 16 to rotate.

[0028] The driving assembly comprises a motor 8 for providing rotary power for the auger 10 and the transverse drill rod 16. The output end of the motor 8 is fixedly connected with a transmission column 9 for transmitting the rotary power of the motor 8. The outer wall of the transmission column 9 is rotatably connected to the inside of the second connecting plate 7, so that the transmission column 9 can stably rotate. The bottom of the transmission column 9 is fixedly connected to the top of the auger 10, so that the rotary power of the motor 8 drives the auger 10 to rotate through the transmission of the transmission column 9, thereby performing drilling operation. The inner wall of the driving gear 11 is fixedly connected to the outer wall of the transmission column 9, so that the rotation of the transmission column 9 can drive the driving gear 11 to rotate. The outer sides of the two transmission gears 13 are engaged with the outer side of the driving gear 11, so that the rotation of the driving gear 11 can drive the two transmission gears 13 to synchronously rotate.

[0029] With reference to Figures 2 to 4 The sampling assembly comprises two gas collectors 24 for collecting gas in the geological layer during sampling, thereby determining the gas content. The bottoms of the two gas collectors 24 are fixedly connected to the top of the partition plate 2, so as to prevent the drilling mechanism from affecting the collection of gas by the gas collectors 24 during operation. The top of the gas collector 24 is provided with a negative pressure device 25 for forming negative pressure in the gas collector 24, so that gas enters the gas collector 24 for collection. The bottom of the gas collector 24 is fixedly connected with a gas suction pipe 22 for transporting gas such as gas. The inner wall of the other end of the gas suction pipe 22 is fixedly connected with a filter plate 23 for preventing solid such as minerals and coal from entering the gas suction pipe 22, thereby causing the gas suction pipe 22 to be blocked. The other ends of the two gas suction pipes 22 are fixedly connected with a solid collection assembly.

[0030] The solid collection assembly comprises a collection box 21 for collecting solid samples. The top of the collection box 21 is fixedly connected with a plurality of mounting columns 20, the tops of the plurality of mounting columns 20 are detachably connected to the bottom of the second connecting plate 7, the collection box 21 is mounted at a specified position through the mounting columns 20, so that the collection box 21 can be conveniently taken out to take out the collected solid samples. The outer side of the auger 10 is fixedly connected with a spiral conveying block 17 for lifting the sample material at the bottom of the device upward into the collection box 21. The bottom of the second connecting plate 7 is fixedly connected with a plurality of fixing columns 18, the bottoms of the plurality of fixing columns 18 are fixedly connected with a sleeve 19, the top outer side of the sleeve 19 is provided with a discharge port, so that the sample material is lifted to the discharge port position through the spiral conveying block 17 and then enters the collection box 21. The outer wall of the transmission column 9 is rotatably connected to the top of the sleeve 19, so as to avoid the rotation of the sleeve 19. The outer wall of the sleeve 19 is in contact with the inner wall of the collection box 21, thereby preventing the material from falling from the gap between the sleeve 19 and the collection box 21.

[0031] Working principle: in use, push the handle 27 makes the sampling car 1 moves to the designated position, open the air pump 3, air pump 3 operation drives the telescopic column 4 to extend downward to drive the connecting plate 5 and connecting plate two 7 and connecting column 6 downward movement, thereby driving the entire drilling mechanism downward to the specified depth, then open the motor 8 and negative pressure device 25, motor 8 operation drives the transmission column 9 to rotate, transmission column 9 rotates drive the horizontal drill pipe 16 to rotate to drill, while the transmission column 9 rotates drive the drive gear 11 rotates, and the drive gear 11 rotates drive two transmission gear 13 rotates, two transmission gear 13 rotation drives the screw 14 to rotate, because the limiting rod 15 restricts the horizontal drill pipe 16 to move outward, until the limiting rod 15 slides out of the limiting groove, the rotation of the screw 14 drives the horizontal drill pipe 16 to rotate to drill horizontally.

[0032] Through the negative pressure device 25 starts, so that the gas collecting cylinder 24 forms negative pressure, thereby through the suction pipe 22 to carry out the suction operation, so that the collection box 21 forms negative pressure, and then through the sleeve 19 outside the discharge port to carry out suction, while the screw conveyor block 17 rotates with the rotation of the horizontal drill pipe 10, so that the bottom drilled sample moves upward, while transporting the horizontal drilling sample upward, until through the discharge port on the sleeve 19 into the collection box 21, after sampling, can be opened through the door 26 to disassemble the collection box 21 to obtain the sample in it.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A bidirectional geological sampling device for coal mines, comprising a sampling vehicle (1), characterized in that: The inner wall of the sampling vehicle (1) is fixedly connected to a partition (2), the top of the partition (2) is fixedly connected to a lifting assembly for driving the sampling device to lift and lower, the top of the partition (2) is fixedly connected to a sampling assembly for sampling inside the geological layer, the bottom of the lifting assembly is fixedly connected to a connecting plate 1 (5), the bottom of the connecting plate 1 (5) is fixedly connected to a driving assembly for driving the sampling device to rotate, the bottom of the driving assembly is fixedly connected to a spiral drill rod (10), and the outer wall of the driving assembly is fixedly connected to a driving gear (11), the bottom of the connecting plate 1 (5) is fixedly connected to two fixing piles (12), the tops of the two fixing piles (12) are fixedly connected to the bottom of the connecting plate 1 (5), the bottom of the fixing piles (12) is rotatably connected to a transmission gear (13), the other end of the transmission gear (13) is fixedly connected to a screw (14), the outer side of the screw (14) is threadedly connected to a transverse drill rod (16), and the bottom of the transverse drill rod (16) is fixedly connected to a limit assembly for limiting the movement of the transverse drill rod (16).

2. The bidirectional geological sampling device for coal mines according to claim 1, characterized in that: The limiting assembly includes two limiting rods (15), the top of the limiting rod (15) is fixedly connected to the bottom of the transverse drill rod (16), the bottom of the connecting plate 1 (5) is fixedly connected to a plurality of connecting columns (6), the bottoms of the plurality of connecting columns (6) are fixedly connected to the connecting plate 2 (7), and the top of the connecting plate 2 (7) is provided with two limiting grooves, and the bottom outer wall of the limiting rod (15) is in contact with the inner wall of the limiting groove.

3. The bidirectional geological sampling device for coal mines according to claim 2, characterized in that: The drive assembly comprises a motor (8), an output end of the motor (8) is fixedly connected to a transmission column (9), the bottom of the transmission column (9) is fixedly connected to the top of the auger rod (10), the inner wall of the drive gear (11) is fixedly connected to the outer wall of the transmission column (9), and the outer sides of the two transmission gears (13) are meshed with the outer sides of the drive gear (11).

4. The bidirectional geological sampling device for coal mines according to claim 3, characterized in that: The sampling assembly includes two gas collecting cylinders (24), the bottoms of the two gas collecting cylinders (24) are fixedly connected to the top of the partition (2), a negative pressure device (25) is provided on the top of the gas collecting cylinder (24), the bottom of the gas collecting cylinder (24) is fixedly connected to an exhaust pipe (22), the inner wall of the other end of the exhaust pipe (22) is fixedly connected to a filter plate (23), and the other ends of the two exhaust pipes (22) are fixedly connected to a solid collection assembly.

5. The bidirectional geological sampling device for coal mines according to claim 4, characterized in that: The solid collection assembly includes a collection box (21), the top of the collection box (21) is fixedly connected to a plurality of mounting columns (20), the tops of the plurality of mounting columns (20) are detachably connected to the bottom of the second connecting plate (7), the outer side of the auger rod (10) is fixedly connected to a spiral conveying block (17), the bottom of the second connecting plate (7) is fixedly connected to a plurality of fixing columns (18), the bottoms of the plurality of fixing columns (18) are fixedly connected to a sleeve (19), and the outer wall of the sleeve (19) is in contact with the inner wall of the collection box (21).

6. The bidirectional geological sampling device for coal mines according to claim 1, characterized in that: The lifting assembly comprises an air pump (3), the output end of the air pump (3) is fixedly connected to a telescopic column (4), and the bottom of the telescopic column (4) is fixedly connected to the top of the connecting plate (5).

7. The bidirectional geological sampling device for coal mines according to claim 1, characterized in that: The outer wall of the sampling vehicle (1) is rotatably connected to a vehicle door (26), the outer wall of the sampling vehicle (1) is fixedly connected to a handle (27), and the bottom of the sampling vehicle (1) is fixedly connected to a plurality of universal wheels (28).

8. The bidirectional geological sampling device for coal mines according to claim 5, characterized in that: The outer wall of the transmission column (9) is rotatably connected to the interior of the second connecting plate (7), and the outer wall of the transmission column (9) is rotatably connected to the top of the sleeve (19).

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