CN219038434U - Coal core sampling device for coal mine exploitation - Google Patents
Coal core sampling device for coal mine exploitation Download PDFInfo
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- CN219038434U CN219038434U CN202222903730.5U CN202222903730U CN219038434U CN 219038434 U CN219038434 U CN 219038434U CN 202222903730 U CN202222903730 U CN 202222903730U CN 219038434 U CN219038434 U CN 219038434U
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Abstract
The utility model discloses a coal core sampling device for coal mine exploitation, which comprises a base, a frame, a driving mechanism and a sampling mechanism, wherein the frame, the driving mechanism and the sampling mechanism are arranged on the base; the driving mechanism comprises a first motor, a driving gear rotatably arranged on an output shaft of the first motor and a driven gear meshed with the driving gear; a screw rod vertically penetrates through the center of the driven gear; the sampling mechanism comprises a second motor and a sampling unit arranged below the second motor, the sampling unit comprises a screw conveyor and a sampling tube sleeved outside the screw conveyor, and the screw conveyor can rotate for sampling under the driving of the second motor. The utility model also provides a positioning support rod which can provide auxiliary support for the sampling mechanism, so that the self-shaking of the sampling device during working is reduced, and the sampling deviation problem caused by jolt of the sampling device is reduced.
Description
Technical Field
The utility model relates to the technical field of sampling device equipment, in particular to a coal core sampling device for coal mine exploitation.
Background
Coal mines are generally divided into an underground coal mine and an open pit coal mine, and when a coal seam is far away from the ground surface, a roadway is generally selected to be excavated into the underground to excavate coal so as to form the underground coal mine; when the distance between the coal bed and the ground surface is very close, the earth surface soil layer is generally peeled off directly to excavate coal, so that an open pit coal mine is formed; most coal mines in China belong to underground coal mines; before mining the coal mine, a sampling tool is required to sample the coal core so as to accurately measure the gas content of the coal seam, and the existing sampling tool mainly has the following defects: the coal core can be greatly rocked in the process of sampling; the problem of inaccurate positioning of a sampling position often occurs in a hard drilling area of a coal seam; the sampling depth cannot be accurately measured and calculated, so that accurate sampling cannot be performed on the coal seam, and the sampling effect is finally affected.
To sum up: the existing coal core sampling device cannot meet the actual use requirements, so that improvement is urgently needed.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the utility model provides a coal core sampling device for coal mine exploitation, which aims to solve the technical problems of insufficient strength and insufficient temperature resistance of a pipeline used in mines and tunnels in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the coal core sampling device for coal mine exploitation comprises a base, a frame, a driving mechanism and a sampling mechanism, wherein the frame, the driving mechanism and the sampling mechanism are arranged on the base, a sampling hole is further formed in the base in a vertical through mode, and the sampling mechanism can move up and down under the driving of the driving mechanism, and sampling is completed through the sampling hole;
the driving mechanism comprises a first motor, a driving gear rotatably arranged on an output shaft of the first motor and a driven gear meshed with the driving gear; a screw rod vertically penetrates through the center of the driven gear;
the sampling mechanism comprises a second motor and a sampling unit arranged below the second motor, the sampling unit comprises a screw conveyor and a sampling tube sleeved outside the screw conveyor, and the screw conveyor can rotate to sample under the driving of the second motor.
The utility model also has the following technical characteristics:
still further, still include a plurality of location bracing pieces, the location bracing piece is arranged in the bottom of second motor through annular connecting piece, just the one end and the annular connecting piece of location bracing piece are articulated, the other end is provided with first pointed end.
Still further, the quantity of location bracing piece is 3, and evenly distributed in the outside of second motor output shaft along circumference.
Still further, the top of screw rod is provided with the horizontal roof, a plurality of guide bars are laid along the vertical interval of circumference on the horizontal roof lateral wall, the bottom of guide bar links to each other with the second motor lateral wall.
Still further, be provided with the screw rod cover between screw rod and the driven gear, screw rod cover and driven gear fixed connection, screw rod cover and screw rod threaded connection.
Furthermore, four universal wheels are arranged on one side of the base, facing the ground, and the four universal wheels are arranged on four corners of the base.
Further, the rack comprises two upright posts which are oppositely arranged at the outer sides of the sampling holes, a first cross beam is erected at the top ends of the upright posts, a first mounting hole which is vertically penetrated is formed in the first cross beam, and the screw rod is penetrated in the first mounting hole; the middle of the upright post is also provided with a second cross beam, and the second cross beam is provided with the first motor.
Furthermore, the base is also provided with a handrail.
Furthermore, wear to be equipped with a plurality of base spacer pins on the base, the bottom of base spacer pin is provided with the second pointed end.
Compared with the prior art, the utility model has the following technical effects:
(1) According to the utility model, through the arrangement of the driving structure, the screw rod, the sampling mechanism and the positioning support rod, the sampling mechanism is driven to sample the coal layer through the self-rotation of the driving structure, and meanwhile, the positioning support rod provides auxiliary support for the sampling mechanism, so that the stable supporting function of the sampling mechanism is ensured, the shaking of the sampling device can be reduced when the sampling device works, the problem of deviation of the sampling point caused by shaking of the sampling device is reduced, and the sampling accuracy and the sampling efficiency are improved.
(2) The utility model can realize automatic sampling of the underground coal seam, can rapidly take out the coal core in the sampler, has good sampling effect and high efficiency, and has strong popularization and use values.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the rear view structure of the present utility model;
FIG. 3 is a schematic view of a portion of the structure of the present utility model;
fig. 4 is a schematic diagram of a stabilizing structure according to the present utility model.
Reference numerals meaning:
the device comprises a 1-base, a 2-frame, a 3-driving mechanism, a 4-sampling mechanism, a 5-screw, a 6-positioning support rod, a 7-annular connecting piece, an 8-guide rod, a 9-screw sleeve and a 10-handrail; 11-sampling holes, 12-base limiting pins; 21-upright posts, 22-first cross beams, 23-second cross beams; 31-a first motor, 32-a driving gear and 33-a driven gear; 41-a second motor, 42-a sampling unit; 51-horizontal top plate; 61-a first tip; 121-a second tip; 421-screw conveyor, 422-sampling tube.
The present utility model will be explained in detail below with reference to the drawings and the detailed description.
Detailed Description
It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
The terms "upper," "lower," "front," "rear," "top," "bottom," and the like are used herein to refer to an orientation or positional relationship for ease of description and simplicity of description only, and are not intended to indicate or imply that the devices or elements being referred to must be oriented, configured and operated in a particular orientation, with "inner," "outer" referring to the inner and outer sides of the corresponding component profiles, and the above terms are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the present utility model, unless otherwise indicated, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Example 1
According to the above technical scheme, as shown in fig. 1 to 4, the embodiment provides a coal core sampling device for coal mine exploitation, which comprises a base 1, a frame 2 arranged on the base 1, a driving mechanism 3 and a sampling mechanism 4, and is characterized in that a sampling hole 11 is further vertically arranged on the base 1 in a penetrating manner, and the sampling mechanism 4 can move up and down under the drive of the driving mechanism 3 and pass through the sampling hole 11 to finish sampling; the frame 2 is used for installing and supporting the driving mechanism 3 and the sampling mechanism 4.
The driving mechanism 3 includes a first motor 31, a driving gear 32 rotatably mounted on an output shaft of the first motor 31, and a driven gear 33 engaged with the driving gear 32; the center of the driven gear 33 is vertically provided with a screw 5 in a penetrating way; when the driving gear 32 rotates, the driven gear 33 engaged with the driving gear 32 can be rotated.
As shown in fig. 3, the sampling mechanism 4 includes a second motor 41 and a sampling unit 42 disposed below the second motor 41, the sampling unit 42 includes a screw conveyor 421 and a sampling tube 422 sleeved outside the screw conveyor 421, the screw conveyor 421 can rotate to sample under the driving of the second motor 41, wherein the bottom of the screw conveyor 421 is set to be a conical structure, and the conical structure can crush coal into coal slag and coal dust under the driving of the second motor 41, so as to ensure that the sampling is completed under the synergistic effect of the screw conveyor 421 and the sampling tube 422.
As a preferable scheme of the present embodiment, the present utility model further includes a plurality of positioning support rods 6, the positioning support rods 6 are disposed at the bottom of the second motor 41 via the annular connection member 7, and one ends of the positioning support rods 6 are hinged to the annular connection member 7, and the other ends are provided with first tips 61. The included angle between the axis of the positioning support rod 61 and the axis of the output shaft of the second motor 41 is adjustable, so that the positioning support rod 61 can be obliquely arranged relative to the output shaft of the second motor 41.
In other schemes, in order to ensure effective support of the positioning support rod 61, the positioning support rod 61 is a telescopic support rod with adjustable length, and the length of the positioning support rod 61 can be adjusted according to the requirement of the inclination angle of the positioning support rod 61.
When the positioning support rod 6 is worn and needs to be maintained, the annular connecting piece 7 can be detached from the second motor 41, so that the positioning support rod 6 can be quickly detached and maintained, and the quick installation after the maintenance is completed is realized.
The positioning support rod 6 can move up and down along with the screw rod 5 and pass through the sampling hole. The tip 61 may be inserted into a coal seam or soil layer to provide additional support to the sampling mechanism 4.
As a preferable mode of the present embodiment, the number of the positioning support rods 6 is 3, and are equally spaced in the circumferential direction on the outer side of the output shaft of the second motor 41.
As a preferable scheme of the embodiment, the top end of the screw 5 is provided with a horizontal top plate 51, a plurality of guide rods 8 are arranged on the side wall of the horizontal top plate 51 at intervals vertically along the circumferential direction, and the bottom ends of the guide rods 8 are connected with the side wall of the second motor 41. The horizontal top plate 51 can fix the screw 5, and the second motor 41 and the screw 5 can be connected and fixed through the guide rod 8.
As a preferable scheme of the embodiment, a screw sleeve 9 is arranged between the screw 5 and the driven gear 33, the screw sleeve 9 is fixedly connected with the driven gear 33, the screw sleeve 9 is in threaded connection with the screw 5, and when the driven gear 33 rotates through threaded fit, the screw 5 can vertically move up and down.
As a preferable scheme of the present embodiment, four universal wheels are provided on the side of the base 1 facing the ground, and the four universal wheels are disposed on four corners of the base 1. The movement of the whole device can be realized by means of universal wheels.
As a preferable scheme of the embodiment, the stand 2 comprises two upright posts 21 oppositely arranged at the outer sides of the sampling holes, a first cross beam 22 is erected at the top ends of the upright posts 21, a first mounting hole which is vertically penetrated is arranged on the first cross beam 22, and a screw 5 is penetrated in the first mounting hole; a second cross beam 23 is further arranged in the middle of the upright 21, and a first motor 31 is arranged on the second cross beam 23. The axes of the first beam 22 and the second beam 23 are parallel to the plane of the base 1.
As a preferable scheme of the present embodiment, the base 1 is further provided with an armrest 10.
As a preferred solution of this embodiment, a plurality of base limiting pins 12 are arranged on the base 1 in a penetrating manner, and a second tip 121 is arranged at the bottom end of the base limiting pin 12. When the base 1 is moved to the target position by the universal wheel, the base limiting pin 12 can be inserted into the ground so as to maintain the overall stability of the sampling device.
The application process of the utility model is as follows:
after the base 1 provided with universal wheels is pushed down to a specified position, the base limiting pin 12 is inserted into the ground to keep the overall stability of the sampling device, then the first motor 31 is started, the output shaft of the first motor 31 is enabled to rotate, the driving gear 32 synchronously rotates along with the first motor 31, thereby driving the driven gear 33 meshed with the driving gear 32 to rotate, the driven gear 33 further drives the screw 5 to rotate and move downwards, at the moment, the second motor 41 is started, the second motor 41 drives the screw conveyor 421 to work, the uneven coal surface can be adapted due to the adjustable angle of the positioning support rod 6, the positioning support rod 6 is easier to be inserted into a coal seam due to the existence of the first tip 61, the positioning support rod 6 has better supporting capacity, and the screw conveyor 421 in the sampling device transmits the acquired coal sample into the sampling cylinder 422 to complete the sampling work.
Finally, the first motor 31 drives the sampling unit 42 to ascend through the screw 5, and the sampling tube 422 is taken out manually
The foregoing embodiments are merely examples provided for clarity of illustration and are not intended to be limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications which may be extended therefrom are within the scope of the present application.
Claims (9)
1. The coal core sampling device for coal mine exploitation comprises a base (1), a frame (2), a driving mechanism (3) and a sampling mechanism (4) which are arranged on the base (1), and is characterized in that a sampling hole (11) is further formed in the base (1) in a vertically penetrating mode, and the sampling mechanism (4) can move up and down under the driving of the driving mechanism (3) and penetrates through the sampling hole (11) to finish sampling;
the driving mechanism (3) comprises a first motor (31), a driving gear (32) rotatably arranged on an output shaft of the first motor (31) and a driven gear (33) meshed with the driving gear (32); a screw rod (5) vertically penetrates through the center of the driven gear (33);
the sampling mechanism (4) comprises a second motor (41) and a sampling unit (42) arranged below the second motor (41), the sampling unit (42) comprises a screw conveyor (421) and a sampling tube (422) sleeved outside the screw conveyor (421), and the screw conveyor (421) can rotate to sample under the driving of the second motor (41).
2. The coal core sampling device for coal mine opening as claimed in claim 1, further comprising a plurality of positioning support rods (6), wherein the positioning support rods (6) are arranged at the bottom of the second motor (41) through annular connecting pieces (7), one ends of the positioning support rods (6) are hinged with the annular connecting pieces (7), and the other ends of the positioning support rods are provided with first tips (61).
3. The coal core sampling device for coal mine exploitation according to claim 2, wherein the number of the positioning support rods (6) is 3, and the positioning support rods are distributed on the outer side of the output shaft of the second motor (41) at equal intervals along the circumferential direction.
4. The coal core sampling device for coal mine opening according to claim 1, wherein a horizontal top plate (51) is arranged at the top end of the screw rod (5), a plurality of guide rods (8) are arranged on the side wall of the horizontal top plate (51) at intervals vertically along the circumferential direction, and the bottom ends of the guide rods (8) are connected with the side wall of the second motor (41).
5. The coal core sampling device for coal mine exploitation according to claim 1, wherein a screw sleeve (9) is arranged between the screw (5) and the driven gear (33), the screw sleeve (9) is fixedly connected with the driven gear (33), and the screw sleeve (9) is in threaded connection with the screw (5).
6. A coal core sampling device for coal mine exploitation according to claim 1, wherein four universal wheels are arranged on one side of the base (1) facing the ground, and the four universal wheels are arranged on four corners of the base (1).
7. The coal core sampling device for coal mine exploitation according to claim 6, wherein the frame (2) comprises two upright posts (21) which are oppositely arranged at the outer sides of the sampling holes, a first cross beam (22) is erected at the top ends of the upright posts (21), a first mounting hole which penetrates up and down is formed in the first cross beam (22), and the screw (5) is penetrated in the first mounting hole; the middle of the upright post (21) is also provided with a second cross beam (23), and the second cross beam (23) is provided with the first motor (31).
8. A coal core sampling device for coal mine opening as claimed in claim 1, wherein the base (1) is further provided with a handrail (10).
9. The coal core sampling device for coal mine exploitation according to claim 1, wherein a plurality of base limiting pins (12) are arranged on the base (1) in a penetrating manner, and a second tip (121) is arranged at the bottom end of the base limiting pins (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222903730.5U CN219038434U (en) | 2022-11-01 | 2022-11-01 | Coal core sampling device for coal mine exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222903730.5U CN219038434U (en) | 2022-11-01 | 2022-11-01 | Coal core sampling device for coal mine exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038434U true CN219038434U (en) | 2023-05-16 |
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ID=86283306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222903730.5U Active CN219038434U (en) | 2022-11-01 | 2022-11-01 | Coal core sampling device for coal mine exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219038434U (en) |
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2022
- 2022-11-01 CN CN202222903730.5U patent/CN219038434U/en active Active
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