CN115307964A - Coal mechanized sampling equipment convenient to adjust - Google Patents
Coal mechanized sampling equipment convenient to adjust Download PDFInfo
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- CN115307964A CN115307964A CN202211110154.7A CN202211110154A CN115307964A CN 115307964 A CN115307964 A CN 115307964A CN 202211110154 A CN202211110154 A CN 202211110154A CN 115307964 A CN115307964 A CN 115307964A
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- 238000005070 sampling Methods 0.000 title claims abstract description 69
- 239000003245 coal Substances 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of coal mechanized sampling equipment, and discloses coal mechanized sampling equipment convenient to adjust. This mechanized sampling equipment of coal convenient to adjust through setting up adjusting part, starts servo motor and drives the pivot and rotate, makes both sides threaded rod rotate simultaneously under the drive wheel, the transmission from driving wheel and belt pulley, and the adjusting thread piece makes the diaphragm reciprocate to adjust the height of sampling hob, the coal of the different degree of depth of can sampling has realized the purpose of being convenient for adjust.
Description
Technical Field
The invention relates to the technical field of coal mechanized sampling equipment, in particular to coal mechanized sampling equipment convenient to adjust.
Background
Commodity coal sampling detects, be the essential important link in the coal transaction, for the quality of fair judgement coal, need be according to the regulation, scientific and reasonable's method is sampled coal, present mechanized sampling equipment of coal, it is fixed mostly, be not convenient for adjust, the flexibility is lower, the first not convenient to dismantle of sampling simultaneously, easily cause the sample pollution, the practicality of mechanized sampling equipment has been reduced, so propose the mechanized sampling equipment of coal convenient to adjust and solve the above-mentioned problem that provides.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the coal mechanized sampling equipment convenient to adjust, which has the advantages of convenience in adjustment, convenience in disassembly of a sampling head and the like, and solves the problems that most of the existing coal mechanized sampling equipment is fixed, is inconvenient to adjust, has low flexibility, is inconvenient to disassemble the sampling head, is easy to cause sample pollution and reduces the practicability of the mechanized sampling equipment.
(II) technical scheme
In order to achieve the purpose of conveniently adjusting and disassembling the sampling head, the invention provides the following technical scheme: a coal mechanized sampling device convenient to adjust comprises a box body, wherein an adjusting assembly extending to the upper portion of the box body is arranged inside the box body, a transverse plate is arranged on the inner side of the adjusting assembly, a shell assembly extending to the lower portion of the box body is arranged at the bottom of the transverse plate, a rectangular box is arranged at the top of the transverse plate, a driving motor is arranged on the inner top wall of the rectangular box, an output shaft of the driving motor extends to the inner side of the shell assembly, an installation assembly is arranged at the bottom of the output shaft of the driving motor, and a sampling screw rod extending to the lower portion of the shell assembly is arranged inside the installation assembly;
the adjusting assembly comprises threaded rods, two threaded rods are arranged between the upper side and the lower side of the inner wall of the box body, threaded blocks which are respectively connected with the left side and the right side of the inner wall of the box body in a sliding mode are arranged on the outer sides of the two threaded rods, the transverse plate is arranged between the two threaded blocks, a motor box is arranged at the top of the box body, a servo motor is arranged on the inner top wall of the motor box, a rotating shaft extending into the box body is arranged at an output shaft of the servo motor, two driving wheels are arranged on the outer sides of the rotating shaft, driven wheels are arranged on the outer sides of the two threaded rods, and belt pulleys which are respectively in transmission connection with the two driven wheels are arranged on the outer sides of the two driving wheels;
the shell assembly comprises electric push rods and a shell, the bottom of the transverse plate is provided with two electric push rods, the shell is positioned between the two electric push rods, one end of the shell extends to the lower part of the box body, the left side and the right side of the shell are both provided with fixed blocks, and the output end of each electric push rod is provided with a clamping rod extending to the inner side of each fixed block;
the installation component comprises an installation box, the installation box is arranged at the bottom of an output shaft of a driving motor, the sampling screw rod is arranged at the inner side of the installation box, one end of the sampling screw rod extends to the lower portion of the shell, a servo motor is arranged on the rear side of the inner wall of the installation box, a turntable is arranged at the output shaft of the servo motor, the front side of the turntable is provided with two round rods, the inner top wall of the installation box is provided with two moving frames, the moving frames are sleeved on the two round rods respectively, the bottom of each moving frame is provided with a rectangular block which is connected with the inner bottom wall of the installation box in a sliding mode, and the opposite sides of the rectangular blocks are provided with clamping blocks which are respectively connected with the left side and the right side of the sampling screw rod in a clamping mode.
Preferably, the equal fixed mounting in bottom left and right sides of box has the quantity to be two and be the universal wheel of front and back symmetric distribution, the left side fixed mounting of box has the pushing hands, the inner wall front side of box articulates there is the chamber door.
Preferably, a rectangular hole is formed in the inner bottom wall of the box body, a discharge pipe extending to the left side of the inner wall of the shell is fixedly mounted on the left side of the inner wall of the shell, and a collection frame located below the discharge pipe is fixedly mounted on the left side of the shell.
Preferably, the upper side and the lower side of the inner wall of the box body are fixedly provided with two bearings, and the two threaded rods are respectively connected with the upper side and the lower side of the inner wall of the box body through the bearings at the upper side and the lower side.
Preferably, the inner wall left and right sides of box has all seted up spacing spout, two the equal fixed mounting in looks dorsal part of screw thread piece has respectively with two spacing spout sliding connection's sliding block.
Preferably, both sides all are the opening design about the inner wall of shell, two the opposite sides of fixed block all seted up the rectangular channel, the size and the kelly looks adaptation of rectangular channel.
Preferably, the inner top wall of the box body is provided with a round hole, the size of the round hole is matched with the rotating shaft, and the bottom of the rotating shaft is fixedly provided with a stop block.
Preferably, the inside of diaphragm has seted up the perforation, the perforation size and driving motor's output shaft size looks adaptation.
Preferably, a rectangular strip hole is formed in the movable frame, and the size of the rectangular strip hole is matched with the moving track of the round rod.
(III) advantageous effects
Compared with the prior art, the invention provides the coal mechanized sampling equipment convenient to adjust, and the coal mechanized sampling equipment has the following beneficial effects:
1. this mechanized sampling equipment of coal convenient to adjust through setting up adjusting part, starts servo motor and drives the pivot and rotate, makes both sides threaded rod rotate simultaneously under the drive wheel, the transmission from driving wheel and belt pulley, and the adjusting thread piece makes the diaphragm reciprocate to adjust the height of sampling hob, the coal of the different degree of depth of can sampling has realized the purpose of being convenient for adjust.
2. This mechanized sampling equipment of coal convenient to adjust, through setting up shell subassembly and installation component, start electric putter and drive the removal of kelly back of the body mutually, remove the fixed to the fixed block, thereby accomplish the dismantlement of shell, secondly start servo motor and drive the carousel and rotate, drive both sides round bar and make and remove the frame back of the body mutually and move, cause the rectangular block to drive the fixture block and remove, remove the fixture block to the fixed of sampling hob, thereby can accomplish the dismantlement to the sampling hob, realized the purpose of convenient to detach sampling head.
Drawings
FIG. 1 is a schematic structural diagram of a coal mechanized sampling apparatus convenient for adjustment according to the present invention;
FIG. 2 is a partial schematic view of a connection between a coal mechanized sampling device installation component and a sampling screw rod according to the present invention, the connection being convenient for adjustment;
fig. 3 is an enlarged view of a portion a in fig. 1 of the coal mechanized sampling apparatus convenient for adjustment according to the present invention.
In the figure: the device comprises a box body 1, an adjusting component 2, a threaded rod 21, a threaded block 22, a motor box 23, a servo motor 24, a rotating shaft 25, a driving wheel 26, a driven wheel 27, a belt pulley 28, a transverse plate 3, a shell component 4, an electric push rod 41, a shell 42, a fixed block 43, a clamping rod 44, a rectangular box 5, a driving motor 6, a mounting component 7, a mounting box 71, a servo motor 72, a rotary disc 73, a circular rod 74, a movable frame 75, a rectangular block 76, a clamping block 77 and a sampling spiral rod 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-3, a coal mechanized sampling device convenient to adjust, including box 1, the inside fixed mounting of box 1 has adjusting part 2 that extends to box 1 top, the inboard fixed mounting of adjusting part 2 has diaphragm 3, the bottom fixed mounting of diaphragm 3 has shell subassembly 4 that extends to box 1 below, the top fixed mounting of diaphragm 3 has rectangle box 5, the interior roof fixed mounting of rectangle box 5 has driving motor 6, driving motor 6's output shaft extends to the inboard of shell subassembly 4, driving motor 6's output shaft bottom fixed mounting has installation component 7, the inside movable mounting of installation component 7 has sampling hob 8 that extends to shell subassembly 4 below.
The equal fixed mounting in bottom left and right sides of box 1 has quantity to be two and be the universal wheel of front and back symmetric distribution, and the left side fixed mounting of box 1 has the pushing hands, and the inner wall front side of box 1 articulates there is the chamber door, and the perforation has been seted up to the inside of diaphragm 3, and the output shaft size looks adaptation of fenestrate size and driving motor 6.
Adjusting part 2 includes threaded rod 21, it is two threaded rod 21 to rotate between the upper and lower both sides of inner wall of box 1 to be connected with quantity, the equal threaded connection in the outside of two threaded rod 21 has respectively with the screw block 22 of box 1 inner wall left and right sides sliding connection, 3 fixed mounting of diaphragm between two screw blocks 22, the top fixed mounting of box 1 has motor box 23, the interior roof fixed mounting of motor box 23 has servo motor 24, servo motor 24's output shaft department fixed mounting has the pivot 25 that extends to box 1 inside, the outside fixed mounting of pivot 25 has the action wheel 26 that quantity is two, the equal fixed mounting in the outside of two threaded rod 21 has from driving wheel 27, the equal transmission in the outside of two action wheels 26 is connected with respectively with two belt pulleys 28 that are connected from driving wheel 27 transmission.
Equal fixed mounting in both sides has a quantity to be two bearings about the inner wall of box 1, and two threaded rods 21 rotate through upper and lower both sides bearing and box 1 inner wall upper and lower both sides respectively and are connected, and spacing spout has all been seted up to the inner wall left and right sides of box 1, and the equal fixed mounting in opposite sides of two screw thread pieces 22 has respectively with two spacing spout sliding connection's sliding block, and the round hole has been seted up to the interior roof of box 1, the size and the pivot 25 looks adaptation of round hole, and the bottom fixed mounting of pivot 25 has the dog.
Through setting up adjusting part 2, start servo motor 24 and drive pivot 25 and rotate, make both sides threaded rod 21 rotate simultaneously under the transmission of action wheel 26, follow driving wheel 27 and belt pulley 28, adjust threaded block 22 and make diaphragm 3 reciprocate to adjust the height of sampling hob 8, the coal of the different degree of depth of can sampling has realized the purpose of being convenient for to adjust.
The shell assembly 4 comprises electric push rods 41 and a shell 42, the bottom of the transverse plate 3 is fixedly provided with two electric push rods 41, the shell 42 is positioned between the two electric push rods 41, one end of the shell extends to the lower part of the box body 1, the left side and the right side of the shell 42 are fixedly provided with fixing blocks 43, and the output end of the electric push rods 41 is fixedly provided with clamping rods 44 extending to the inner sides of the fixing blocks 43.
The rectangular hole has been seted up to the inner bottom wall of box 1, and the inner wall left side fixed mounting of shell 42 has a discharging pipe that extends to its left, and the left side fixed mounting of shell 42 has the collection frame that is located the discharging pipe below, and both sides all are the opening design about the inner wall of shell 42, and the rectangular channel has all been seted up to the opposite sides of two fixed blocks 43, the size and the kelly 44 looks adaptation of rectangular channel. .
The mounting assembly 7 comprises a mounting box 71, the mounting box 71 is fixedly mounted at the bottom of an output shaft of the driving motor 6, the sampling screw rod 8 is movably mounted at the inner side of the mounting box 71, one end of the sampling screw rod extends to the lower side of the shell 42, a servo motor 72 is fixedly mounted at the rear side of the inner wall of the mounting box 71, a turntable 73 is fixedly mounted at the output shaft of the servo motor 72, two round rods 74 are fixedly mounted at the front side of the turntable 73, two moving frames 75 which are respectively sleeved at the outer sides of the two round rods 74 are slidably mounted on the inner top wall of the mounting box 71, rectangular blocks 76 which are slidably connected with the inner bottom wall of the mounting box 71 are fixedly mounted at the bottom of each moving frame 75, and clamping blocks 77 which are respectively clamped with the left side and the right side of the sampling screw rod 8 are fixedly mounted at the opposite sides of the two rectangular blocks 76.
Through setting up shell subassembly 4 and installation component 7, start electric putter 41 and drive the removal of kelly 44 back of the body mutually, remove the fixed to fixed block 43, thereby accomplish the dismantlement of shell 42, secondly start servo motor 72 and drive carousel 73 and rotate, drive both sides round bar 74 and make and move frame 75 back of the body mutually and move, cause rectangular block 76 to drive fixture block 77 and remove, remove fixture block 77 fixed to sampling hob 8, thereby can accomplish the dismantlement to sampling hob 8, realized the purpose convenient to dismantle the sampling head.
A rectangular hole is formed in the moving frame 75, and the size of the rectangular hole is adapted to the moving track of the round bar 74.
It should be noted that the servo motor 24, the electric push rod 41, the driving motor 6 and the servo motor 72 appearing in the present specification are all electrically connected to the 220V mains supply, and the servo motor 24, the electric push rod 41, the driving motor 6 and the servo motor 72 are all conventionally known devices, standard parts used in the present specification can be purchased from the market, the specific connection mode of each part is performed by conventional means such as bolts, rivets and welding, which are well-known in the prior art, and the machines, parts and devices are of the conventional type in the prior art, and the circuit connection is performed by the conventional connection mode in the prior art, and the details which are not described in detail in the description belong to the prior art which is well known to those skilled in the art, and no specific description is made here.
In conclusion, this mechanized coal sampling equipment convenient to adjust, through setting up adjusting part 2, start servo motor 24 and drive pivot 25 and rotate, make both sides threaded rod 21 rotate simultaneously under the transmission of action wheel 26, follow driving wheel 27 and belt pulley 28, adjust threaded block 22 and make diaphragm 3 reciprocate, thereby adjust the height of sampling hob 8, can sample the coal of the different degree of depth, the purpose convenient to adjust has been realized, through setting up shell subassembly 4 and installation component 7, start electric putter 41 and drive kelly 44 and move in opposite directions, remove the fixed to fixed block 43, thereby accomplish the dismantlement of shell 42, secondly start servo motor 72 and drive carousel 73 and rotate, drive both sides round bar 74 and make removal frame 75 move in opposite directions, cause rectangular block 76 to drive the kelly 77 and move, remove the fixed of kelly 77 to sampling hob 8, thereby can accomplish the dismantlement to sampling hob 8, the purpose of being convenient to dismantle the sampling head has been realized, the mechanized coal sampling equipment of current has been solved, it is fixed, be inconvenient to adjust, the flexibility is not convenient to dismantle the sampling head simultaneously, easily cause the pollution, the practicality problem of mechanized coal sampling equipment has been reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mechanized sampling equipment of coal convenient to adjust, includes box (1), its characterized in that: an adjusting component (2) extending to the upper side of the box body (1) is arranged in the box body (1), a transverse plate (3) is arranged on the inner side of the adjusting component (2), a shell component (4) extending to the lower side of the box body (1) is arranged at the bottom of the transverse plate (3), a rectangular box (5) is arranged at the top of the transverse plate (3), a driving motor (6) is arranged on the inner top wall of the rectangular box (5), an output shaft of the driving motor (6) extends to the inner side of the shell component (4), a mounting component (7) is arranged at the bottom of the output shaft of the driving motor (6), and a sampling screw rod (8) extending to the lower side of the shell component (4) is arranged in the mounting component (7);
the adjusting assembly (2) comprises threaded rods (21), two threaded rods (21) are arranged between the upper side and the lower side of the inner wall of the box body (1), threaded blocks (22) which are respectively connected with the left side and the right side of the inner wall of the box body (1) in a sliding mode are arranged on the outer sides of the two threaded rods (21), the transverse plate (3) is arranged between the two threaded blocks (22), a motor box (23) is arranged at the top of the box body (1), a servo motor (24) is arranged on the inner top wall of the motor box (23), a rotating shaft (25) extending into the box body (1) is arranged at the output shaft of the servo motor (24), two driving wheels (26) are arranged on the outer sides of the rotating shaft (25), driven wheels (27) are arranged on the outer sides of the two threaded rods (21), and belt pulleys (28) which are respectively in transmission connection with the two driven wheels (27) are arranged on the outer sides of the two driving wheels (26);
the shell assembly (4) comprises electric push rods (41) and a shell (42), the bottom of the transverse plate (3) is provided with two electric push rods (41), the shell (42) is positioned between the two electric push rods (41), one end of the shell extends to the lower part of the box body (1), the left side and the right side of the shell (42) are both provided with fixed blocks (43), and the output end of each electric push rod (41) is provided with a clamping rod (44) extending to the inner side of each fixed block (43);
installation component (7) are including mounting box (71), mounting box (71) set up in the output shaft bottom of driving motor (6), sampling hob (8) set up the inboard of mounting box (71) and one end extends to the below of shell (42), the inner wall rear side of mounting box (71) is provided with servo motor (72), servo motor's (72) output shaft department is provided with carousel (73), the front side of carousel (73) is provided with quantity and is two round bar (74), the interior roof of mounting box (71) is provided with quantity and just overlaps respectively at removal frame (75) in two round bar (74) outsides, the bottom of removing frame (75) is provided with rectangular block (76) with bottom wall sliding connection in mounting box (71), two the opposite side of rectangular block (76) all is provided with respectively with fixture block (77) of sampling hob (8) left and right sides joint.
2. The mechanized coal sampling apparatus of claim 1, wherein: the equal fixed mounting in bottom left and right sides of box (1) has quantity to be two and be the universal wheel of front and back symmetric distribution, the left side fixed mounting of box (1) has the pushing hands, the inner wall front side of box (1) articulates there is the chamber door.
3. The mechanized coal sampling apparatus of claim 1, wherein: rectangular hole has been seted up to the inner bottom wall of box (1), the inner wall left side fixed mounting of shell (42) has the discharging pipe that extends to its left side, the left side fixed mounting of shell (42) has the collection frame that is located the discharging pipe below.
4. The mechanized coal sampling apparatus of claim 1, wherein: the upper side and the lower side of the inner wall of the box body (1) are fixedly provided with two bearings, and the threaded rods (21) are respectively connected with the upper side and the lower side of the inner wall of the box body (1) in a rotating manner through the bearings at the upper side and the lower side.
5. The mechanized coal sampling apparatus of claim 1, wherein: the inner wall left and right sides of box (1) has all seted up spacing spout, two the equal fixed mounting in back of the body side of mutually of screw thread piece (22) has respectively with two spacing spout sliding connection's sliding block.
6. The mechanized coal sampling apparatus of claim 1, wherein: both sides all are the opening design about the inner wall of shell (42), two the carried back of the body side of fixed block (43) has all been seted up the rectangular channel, the size and the kelly (44) looks adaptation of rectangular channel.
7. The mechanized coal sampling apparatus of claim 1, wherein: the inner top wall of the box body (1) is provided with a round hole, the size of the round hole is matched with that of the rotating shaft (25), and a stop block is fixedly arranged at the bottom of the rotating shaft (25).
8. The mechanized coal sampling apparatus of claim 1, wherein: the inner part of the transverse plate (3) is provided with a through hole, and the size of the through hole is matched with the size of an output shaft of the driving motor (6).
9. The mechanized coal sampling apparatus of claim 1, wherein: rectangular strip holes are formed in the moving frame (75), and the size of each rectangular strip hole is matched with the moving track of the round rod (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110154.7A CN115307964A (en) | 2022-09-13 | 2022-09-13 | Coal mechanized sampling equipment convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110154.7A CN115307964A (en) | 2022-09-13 | 2022-09-13 | Coal mechanized sampling equipment convenient to adjust |
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| Publication Number | Publication Date |
|---|---|
| CN115307964A true CN115307964A (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211110154.7A Pending CN115307964A (en) | 2022-09-13 | 2022-09-13 | Coal mechanized sampling equipment convenient to adjust |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613827A (en) * | 2018-05-04 | 2018-10-02 | 安徽中乾能源有限公司 | A kind of Coal Mechanical sample devices convenient for adjusting |
| CN211825154U (en) * | 2020-04-21 | 2020-10-30 | 知与（杭州）科技有限公司 | Sampling device for coal mine loading |
| CN213933182U (en) * | 2020-11-17 | 2021-08-10 | 中滦科技股份有限公司 | Coal sampling device |
| WO2021170038A1 (en) * | 2020-02-28 | 2021-09-02 | 马良 | Solid moving device |
| WO2022041782A1 (en) * | 2020-08-28 | 2022-03-03 | 南京汉尔斯生物科技有限公司 | Soil sampling apparatus used for detecting land pollution, and method for use thereof |
-
2022
- 2022-09-13 CN CN202211110154.7A patent/CN115307964A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613827A (en) * | 2018-05-04 | 2018-10-02 | 安徽中乾能源有限公司 | A kind of Coal Mechanical sample devices convenient for adjusting |
| WO2021170038A1 (en) * | 2020-02-28 | 2021-09-02 | 马良 | Solid moving device |
| CN211825154U (en) * | 2020-04-21 | 2020-10-30 | 知与（杭州）科技有限公司 | Sampling device for coal mine loading |
| WO2022041782A1 (en) * | 2020-08-28 | 2022-03-03 | 南京汉尔斯生物科技有限公司 | Soil sampling apparatus used for detecting land pollution, and method for use thereof |
| CN213933182U (en) * | 2020-11-17 | 2021-08-10 | 中滦科技股份有限公司 | Coal sampling device |
Non-Patent Citations (1)
| Title |
|---|
| 胡静波;洪伟;田浩;: "新型煤堆取样器的设计开发", 煤质技术, no. 06, 15 November 2017 (2017-11-15) * |
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