CN116197109B - Graded screening device for coal mine - Google Patents
Graded screening device for coal mine Download PDFInfo
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- CN116197109B CN116197109B CN202310328839.7A CN202310328839A CN116197109B CN 116197109 B CN116197109 B CN 116197109B CN 202310328839 A CN202310328839 A CN 202310328839A CN 116197109 B CN116197109 B CN 116197109B
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- wall
- filter screen
- gear
- rod
- circular box
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- 239000003245 coal Substances 0.000 title claims abstract description 54
- 238000012216 screening Methods 0.000 title claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention provides a grading screening device for a coal mine, which comprises a circular box body, a lifting assembly and a base, wherein the lifting assembly is arranged on the upper surface of the base, and a feed hopper and a motor are respectively arranged on the front surface of the circular box body. According to the invention, through the combined use of the motor, the first spiral blade, the first filter mesh pipe body, the first gear, the first circular ring external gear, the first circular ring internal gear, the second filter mesh pipe body, the second circular ring external gear, the third gear, the second circular ring internal gear, the third circular ring internal gear, the first rod body, the first spiral blade, the second rod body, the second spiral blade, the third spiral blade and the fourth spiral blade, the coal mine is conveniently and rapidly classified and screened, the coal mine is prevented from being blocked during screening, the use is convenient, the service life is prolonged, the coal mine is conveniently scattered, the screening path is prolonged, and the screening efficiency is improved.
Description
Technical Field
The invention relates to the technical field of coal mine screening, in particular to a hierarchical screening device for coal mines.
Background
Is a region where human beings mine coal resources in a mining area rich in coal, and is generally divided into an underground coal mine and an open pit coal mine. When the coal seam is far from the earth surface, coal is generally selected to be extracted from underground mining roadways, which is an underground coal mine. When the distance between the coal seam and the ground surface is very short, the earth surface soil layer is generally stripped directly to excavate coal, and the coal is an open pit coal mine. Most of coal mines in China belong to underground coal mines. Coal mine range includes large areas of above-ground and below-ground and related facilities. Coal mines are reasonable spaces dug by human beings when mining geological formations rich in coal, and generally comprise roadways, shaft pits, mining surfaces and the like;
After the existing coal mine is opened, a coal mine screening device is required to be used, a vibrating screen is generally adopted for screening, coal mine screening blockage is easy to cause, and when screening is carried out, a coal mine can not be subjected to prolonged screening paths, so that screening efficiency is low, coal mines are easily stacked and inconvenient to scatter when screening the coal mine, and therefore screening efficiency is low, and the coal mine classified screening device is provided.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a coal mine sizing device that solves or alleviates the technical problems of the prior art, and at least provides a beneficial option.
The technical scheme of the embodiment of the invention is realized as follows: the utility model provides a hierarchical sieving mechanism for coal mine, includes circular box, lifting assembly and base, the upper surface mounting of base has lifting assembly, feeder hopper and motor are installed respectively to the front surface of circular box, the output shaft of motor runs through in the front surface of circular box and installs first gear, the front surface of first gear pass through the bearing rotate connect in the inner wall of circular box, the inner wall of circular box is connected with first filter screen body, second filter screen body and filter screen staving through the bearing rotation respectively, first filter screen body, second filter screen body with the filter screen staving is overlapped in proper order, first ring gear is installed to the outer wall of first filter screen body, first ring gear is installed to the inner wall of first filter screen body, the inner wall of circular box is connected with the second gear through the bearing even rotation, the inner wall of circular box is connected with the third gear through the bearing even rotation, the outer wall of the filter screen staving has the second ring gear, the second filter screen body of outer wall of outer gear is installed to the second ring gear, the outer wall of second ring gear is installed to the outer wall of second ring gear mesh, the outer wall of second ring gear mesh, the outer wall of third ring gear mesh the outer wall of third ring gear mesh the outer wall mesh the outer ring mesh, the utility model discloses a filter screen, including the filter screen barrel, the second body of rod is installed to one side of second gear, the second flight is installed to the outer wall of the second body of rod, the discharging pipe has evenly been inlayed to the rear surface of circular box, the second spiral leaf is installed to the inner wall of filter screen barrel, the third spiral leaf is installed to the outer wall of filter screen barrel, the outer wall laminating of third spiral leaf in the inner wall of second filter screen barrel, the fourth spiral leaf is installed to the outer wall of second filter screen barrel, the outer wall laminating of fourth spiral leaf in the inner wall of first filter screen barrel, first spiral leaf is installed to the outer wall of first filter screen barrel, the outer wall laminating of first spiral leaf in the inner wall of circular box.
Further preferably, the lifting assembly comprises a square plate body, a mounting plate, a first electric push rod and a second electric push rod, wherein the square plate body, the mounting plate and the second electric push rod are respectively provided with two parts, the upper surface of the base is mounted on the lower surface of the square plate body, the upper surface of the base is slidably connected with the lower surface of the square plate body, one part of the square plate body is mounted on one side of the first electric push rod, the other part of the square plate body is mounted on one side of the piston rod of the first electric push rod, two mounting grooves are symmetrically formed in the upper surface of the square plate body, the inner bottom wall of each mounting groove is mounted on the lower surface of the second electric push rod, the upper surface of the square plate body is hinged to the lower surface of one mounting plate through a pin shaft, the piston rod of the second electric push rod is hinged to the lower surface of the other mounting plate through a pin shaft, and the inner wall of the mounting plate is mounted on the outer wall of the circular box body.
Further preferably, the rear surface integrated into one piece of feeder hopper has the hang pipe, the inlet pipe is installed to the one end of hang pipe, first through-hole has been seted up to the one end of filter screen staving, the inner wall of first through-hole pass through the bearing rotate connect in the outer wall of inlet pipe.
Further preferably, one side of the square plate body is symmetrically provided with four second through holes, and the other side of the square plate body is symmetrically provided with four limit rods, and the outer walls of the limit rods are attached to the inner walls of the second through holes.
Further preferably, two sliding grooves are symmetrically formed in the upper surface of the base, two sliding blocks are symmetrically arranged on the lower surface of the square plate body, and the outer walls of the sliding blocks are slidably connected to the inner walls of the sliding grooves.
Further preferably, a baffle is mounted at one end of the limiting rod.
Further preferably, the inner wall of the circular box body is rotationally connected with a third blocking ring through a bearing, the inner wall of the third blocking ring is rotationally connected to the outer wall of the first filter screen pipe body through a bearing, the inner wall of the first filter screen pipe body is rotationally connected with a second blocking ring through a bearing, the inner wall of the second blocking ring is rotationally connected to the outer wall of the second filter screen pipe body through a bearing, the inner wall of the second filter screen pipe body is rotationally connected with a first blocking ring through a bearing, the inner wall of the first blocking ring is rotationally connected to the outer wall of the filter screen barrel body through a bearing, the outer wall of the first rod body penetrates through one side of the first blocking ring, and one side of the second blocking ring penetrates through the outer wall of the second rod body.
By adopting the technical scheme, the embodiment of the invention has the following advantages:
1. According to the invention, through the combined use of the motor, the first spiral blade, the first filter mesh pipe body, the first gear, the first circular ring external gear, the first circular ring internal gear, the second filter mesh pipe body, the second circular ring external gear, the third gear, the second circular ring internal gear, the third circular ring internal gear, the first rod body, the first spiral blade, the second rod body, the second spiral blade, the third spiral blade and the fourth spiral blade, the coal mine is conveniently and rapidly classified and screened, the coal mine is prevented from being blocked during screening, the use is convenient, the service life is prolonged, the coal mine is conveniently scattered, the screening path is prolonged, and the screening efficiency is improved.
2. The invention can be used for changing the angle of the circular box body through the arrangement of the lifting assembly, thereby accelerating the screening of the coal mine, improving the screening efficiency, facilitating the coal mine to slide down for screening along with the gravity and ensuring the screening effect.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a side cross-sectional view of the view of FIG. 1 according to the present invention;
FIG. 3 is an enlarged block diagram of the area B of FIG. 2 according to the present invention;
FIG. 4 is an enlarged block diagram of the area C of FIG. 2 according to the present invention;
FIG. 5 is an enlarged block diagram of the area D of FIG. 2 according to the present invention;
FIG. 6 is a side cross-sectional view of the E-E of FIG. 1 according to the present invention;
FIG. 7 is an enlarged block diagram of area F of FIG. 6 in accordance with the present invention;
FIG. 8 is a side sectional view of the G-G of FIG. 1 according to the present invention;
FIG. 9 is an enlarged block diagram of the H area of FIG. 8 in accordance with the present invention;
FIG. 10 is a top view of the structure of the present invention;
fig. 11 is an enlarged view of the structure of the J-zone of fig. 10 according to the present invention.
Reference numerals: 1. a circular box body; 2. a lifting assembly; 201. a square plate body; 202. a mounting plate; 203. a first electric push rod; 204. a second electric push rod; 3. a base; 4. a feed hopper; 5. a motor; 6. a baffle; 7. a first helical leaf; 8. a first filter mesh body; 9. a first gear; 10. a first circular ring external gear; 11. a first annular ring gear; 12. a second gear; 13. a second filter mesh body; 14. a filter screen barrel body; 15. a second circular ring external gear; 16. a third gear; 17. a second annular ring gear; 18. a third annular ring gear; 19. a first rod body; 20. a first flight; 21. a first blocking ring; 22. a second rod body; 23. a second flight; 24. a second blocking ring; 25. a third blocking ring; 26. an inclined tube; 27. a first through hole; 28. a feed pipe; 29. a second helical leaf; 30. a third helical leaf; 31. a fourth helical leaf; 32. a mounting groove; 33. a limit rod; 34. a chute; 35. a second through hole; 36. a slide block; 37. and a discharging pipe.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-11, the embodiment of the invention provides a hierarchical screening device for coal mines, which comprises a circular box body 1, a lifting assembly 2 and a base 3, wherein the lifting assembly 2 is installed on the upper surface of the base 3, a feed hopper 4 and a motor 5 are respectively installed on the front surface of the circular box body 1, an output shaft of the motor 5 penetrates through the front surface of the circular box body 1 and is provided with a first gear 9, the front surface of the first gear 9 is rotationally connected with the inner wall of the circular box body 1 through a bearing, the inner wall of the circular box body 1 is rotationally connected with a first filter mesh body 8, a second filter mesh body 13 and a filter mesh barrel 14 through bearings respectively, the first filter mesh body 8, the second filter mesh body 13 and the filter mesh barrel 14 are sequentially sleeved, a first circular ring external gear 10 is installed on the outer wall of the first filter mesh body 8, a first circular ring internal gear 11 is installed on the inner wall of the first filter mesh body 8, the inner wall of the circular box body 1 is uniformly and rotatably connected with a second gear 12 through a bearing, the inner wall of the circular box body 1 is uniformly and rotatably connected with a third gear 16 through a bearing, the outer wall of the filter screen barrel 14 is provided with a second circular ring external gear 15, the inner wall of the second filter screen barrel 13 is provided with a second circular ring internal gear 17, the outer wall of the second filter screen barrel 13 is provided with a third circular ring internal gear 18, the outer wall of the first gear 9 is meshed with the outer wall of the first circular ring external gear 10, the inner wall of the first circular ring internal gear 11 is meshed with the outer wall of the second gear 12, the outer wall of the second gear 12 is meshed with the outer wall of the third circular ring internal gear 18, the inner wall of the second circular ring internal gear 17 is meshed with the outer wall of the third gear 16, the outer wall of the third gear 16 is meshed with the outer wall of the second circular ring external gear 15, one side of the third gear 16 is provided with a first rod body 19, the first spiral slice 20 is installed to the outer wall of first body of rod 19, the second body of rod 22 is installed to one side of second gear 12, second spiral slice 23 is installed to the outer wall of second body of rod 22, the rear surface of circular box 1 evenly scarf joint has discharging pipe 37, second spiral leaf 29 is installed to the inner wall of filter screen staving 14, third spiral leaf 30 is installed to the outer wall of filter screen staving 14, the outer wall laminating of third spiral leaf 30 is in the inner wall of second filter screen staving 13, fourth spiral leaf 31 is installed to the outer wall of second filter screen staving 13, the outer wall laminating of fourth spiral leaf 31 is in the inner wall of first filter screen staving 8, first spiral leaf 7 is installed to the outer wall of first filter screen staving 8, the outer wall laminating of first spiral leaf 7 is in the inner wall of circular box 1.
In one embodiment, the lifting assembly 2 includes a square plate 201, a mounting plate 202, a first electric push rod 203 and a second electric push rod 204, where the square plate 201, the mounting plate 202 and the second electric push rod 204 are respectively provided with two parts, the upper surface of the base 3 is mounted on the lower surface of one square plate 201, the upper surface of the base 3 is slidably connected to the lower surface of the other square plate 201, one side of the one square plate 201 is mounted on one side of the first electric push rod 203, one side of the other first electric push rod 203 is mounted on a piston rod of the first electric push rod 203, two mounting grooves 32 are symmetrically provided on the upper surface of the other square plate 201, an inner bottom wall of each mounting groove 32 is mounted on the lower surface of the second electric push rod 204, the upper surface of one square plate 201 is hinged to the lower surface of one mounting plate 202 through a pin, the piston rod of the second electric push rod 204 is hinged to the lower surface of the other mounting plate 202 through a pin, and the inner wall of the mounting plate 202 is mounted on the outer wall of the circular box 1.
In one embodiment, the rear surface of the feed hopper 4 is integrally formed with an inclined tube 26, one end of the inclined tube 26 is provided with a feed tube 28, one end of the filter screen barrel 14 is provided with a first through hole 27, and the inner wall of the first through hole 27 is rotatably connected with the outer wall of the feed tube 28 through a bearing.
In one embodiment, four second through holes 35 are symmetrically formed on one side of one square plate 201, four limit rods 33 are symmetrically mounted on one side of the other square plate 201, and the outer walls of the limit rods 33 are attached to the inner walls of the second through holes 35.
In one embodiment, two sliding grooves 34 are symmetrically formed on the upper surface of the base 3, two sliding blocks 36 are symmetrically installed on the lower surface of the other square plate 201, and the outer walls of the sliding blocks 36 are slidably connected to the inner walls of the sliding grooves 34.
In one embodiment, a stop plate 6 is mounted to one end of the stop bar 33.
In one embodiment, the inner wall of the circular box 1 is rotatably connected with a third blocking ring 25 through a bearing, the inner wall of the third blocking ring 25 is rotatably connected with the outer wall of the first filter mesh tube 8 through a bearing, the inner wall of the first filter mesh tube 8 is rotatably connected with a second blocking ring 24 through a bearing, the inner wall of the second blocking ring 24 is rotatably connected with the outer wall of the second filter mesh tube 13 through a bearing, the inner wall of the second filter mesh tube 13 is rotatably connected with a first blocking ring 21 through a bearing, the inner wall of the first blocking ring 21 is rotatably connected with the outer wall of the filter mesh tube 14 through a bearing, the outer wall of the first rod body 19 penetrates one side of the first blocking ring 21, and one side of the second blocking ring 24 penetrates the outer wall of the second rod body 22.
In one embodiment, a switch set for controlling the first electric push rod 203, the second electric push rod 204 and the motor 5 to be started and closed is installed on one side of the base 3, and the switch set is connected with external commercial power and is used for supplying power to the first electric push rod 203, the second electric push rod 204 and the motor 5.
In one embodiment, the apertures of the first filter mesh pipe body 8, the second filter mesh pipe body 13 and the filter mesh barrel body 14 are sequentially increased, so that coal mines can be conveniently screened.
The invention works when in work: after the coal mine is placed in the feed hopper 4, the coal in the feed hopper 4 is transported into the filter screen barrel body 14 through the inclined pipe 26 and the feed pipe 28, at the moment, the motor 5 is started, the output shaft of the motor 5 drives the first gear 9 to rotate, then the first gear 9 drives the first circular ring external gear 10 to rotate, the first circular ring external gear 10 drives the first filter screen pipe body 8 to rotate, the first filter screen pipe body 8 simultaneously drives the first spiral blade 7 and the first circular ring internal gear 11 to rotate, the coal mine is convenient to transport, the first circular ring internal gear 11 drives the second gear 12 to rotate, the second gear 12 simultaneously drives the third circular ring internal gear 18 and the second rod body 22 to rotate, the second rod body 22 drives the second spiral piece 23 to rotate, so that the coal mine is convenient to stir, at the moment, the third circular ring internal gear 18 drives the second filter screen pipe body 13 to rotate, the second filter mesh tube 13 drives the fourth spiral blade 31 to rotate, so that the coal mine can be conveniently transported and screened, the second filter mesh tube 13 drives the second annular inner gear 17 to rotate, the second annular inner gear 17 drives the third gear 16 to rotate, the third gear 16 drives the first rod body 19 to rotate, the first rod body 19 drives the first spiral blade 20 to rotate, the coal mine can be conveniently scattered and screened, at the moment, the third gear 16 drives the second annular outer gear 15 to rotate, the second annular outer gear 15 drives the filter mesh barrel 14 to rotate, the filter mesh barrel 14 simultaneously drives the second spiral blade 29 and the third spiral blade 30 to rotate, the coal mine can be further conveniently scattered and screened, the coal mine can be conveniently classified and screened, the first electric push rod 203 and the second electric push rod 204 are started at the moment, thereby make things convenient for the piston rod of first electric putter 203 to drive another square plate body 201 and remove, the piston rod of second electric putter 204 can drive another mounting panel 202 and carry out the lifting this moment to the angle of convenient change circular box 1, thereby supplementary colliery carries out screening transportation, connects the transportation pipeline with discharging pipe 37 this moment, thereby conveniently carries out the transportation through discharging pipe 37 with the colliery of screening in the circular box 1.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a hierarchical sieving mechanism for coal mine, includes circular box (1), lifting unit (2) and base (3), its characterized in that: the upper surface mounting of base (3) has lifting unit (2), feeder hopper (4) and motor (5) are installed respectively to the front surface of circular box (1), the output shaft of motor (5) run through in the front surface of circular box (1) and install first gear (9), the front surface of first gear (9) pass through the bearing rotate connect in the inner wall of circular box (1), the inner wall of circular box (1) is connected with first filter screen management body (8) through the bearing rotation respectively, The second filter screen body (13) and the filter screen barrel body (14), the first filter screen body (8) the second filter screen body (13) with the filter screen barrel body (14) are sleeved in turn, first ring external gear (10) is installed to the outer wall of the first filter screen body (8), first ring internal gear (11) is installed to the inner wall of the first filter screen body (8), the second gear (12) is connected with the inner wall of the circular box body (1) through the even rotation of bearing, third gear (16) is connected with the inner wall of the circular box body (1) through the even rotation of bearing, second ring external gear (15) is installed to the outer wall of the filter screen barrel body (14), A second annular internal gear (17) is arranged on the inner wall of the second filter screen pipe body (13), a third annular internal gear (18) is arranged on the outer wall of the second filter screen pipe body (13), the outer wall of the first gear (9) is meshed with the outer wall of the first annular external gear (10), the inner wall of the first annular internal gear (11) is meshed with the outer wall of the second gear (12), the outer wall of the second gear (12) is meshed with the outer wall of the third annular internal gear (18), the inner wall of the second annular internal gear (17) is meshed with the outer wall of the third gear (16), the outer wall of the third gear (16) is meshed with the outer wall of the second annular external gear (15), A first rod body (19) is arranged on one side of the third gear (16), a first spiral sheet (20) is arranged on the outer wall of the first rod body (19), a second rod body (22) is arranged on one side of the second gear (12), a second spiral sheet (23) is arranged on the outer wall of the second rod body (22), a discharging pipe (37) is evenly embedded on the rear surface of the circular box body (1), a second spiral blade (29) is arranged on the inner wall of the filter screen barrel body (14), a third spiral blade (30) is arranged on the outer wall of the filter screen barrel body (14), the outer wall of the third spiral blade (30) is attached to the inner wall of the second filter screen pipe body (13), the outer wall of the second filter screen pipe body (13) is provided with a fourth spiral blade (31), the outer wall of the fourth spiral blade (31) is attached to the inner wall of the first filter screen pipe body (8), the outer wall of the first filter screen pipe body (8) is provided with a first spiral blade (7), the outer wall of the first spiral blade (7) is attached to the inner wall of the circular box body (1), the lifting component (2) comprises a square plate body (201), a mounting plate (202), a first electric push rod (203) and a second electric push rod (204), the square plate body (201), the mounting plate (202) and the second electric push rod (204) are respectively provided with two parts, The upper surface of the base (3) is arranged on the lower surface of one square plate body (201), the upper surface of the base (3) is slidably connected with the lower surface of the other square plate body (201), one side of the square plate body (201) is arranged on one side of the first electric push rod (203), one side of the other electric push rod (203) is arranged on a piston rod of the first electric push rod (203), two mounting grooves (32) are symmetrically formed on the upper surface of the other square plate body (201), the inner bottom wall of each mounting groove (32) is arranged on the lower surface of the second electric push rod (204), The upper surface of the square plate body (201) is hinged to the lower surface of the mounting plate (202) through a pin shaft, a piston rod of the second electric push rod (204) is hinged to the lower surface of the other mounting plate (202) through a pin shaft, and the inner wall of the mounting plate (202) is mounted on the outer wall of the circular box body (1).
2. The hierarchical screening device for coal mines according to claim 1, wherein: the utility model discloses a filter screen, including feeder hopper (4), inclined tube (26) are installed to rear surface integrated into one piece of feeder hopper (4), inlet pipe (28) are installed to one end of inclined tube (26), first through-hole (27) have been seted up to one end of filter screen staving (14), the inner wall of first through-hole (27) pass through the bearing rotate connect in the outer wall of inlet pipe (28).
3. The hierarchical screening device for coal mines according to claim 1, wherein: four second through holes (35) are symmetrically formed in one side of the square plate body (201), four limit rods (33) are symmetrically mounted in one side of the square plate body (201), and the outer walls of the limit rods (33) are attached to the inner walls of the second through holes (35).
4. The hierarchical screening device for coal mines according to claim 1, wherein: two sliding grooves (34) are symmetrically formed in the upper surface of the base (3), two sliding blocks (36) are symmetrically arranged on the lower surface of the square plate body (201), and the outer walls of the sliding blocks (36) are slidably connected to the inner walls of the sliding grooves (34).
5. A hierarchical screening device for coal mines according to claim 3, wherein: one end of the limiting rod (33) is provided with a baffle plate (6).
6. A hierarchical screening device for coal mines according to claim 3, wherein: the inner wall of circular box (1) is connected with the third through the bearing rotation and blocks ring (25), the third block the inner wall of ring (25) pass through the bearing rotate connect in the outer wall of first filter screen management body (8), the inner wall of first filter screen management body (8) pass through the bearing rotate be connected with the second block ring (24), the inner wall of second block ring (24) pass through the bearing rotate connect in the outer wall of second filter screen management body (13), the inner wall of second filter screen management body (13) pass through the bearing rotate be connected with first block ring (21), the inner wall of first block ring (21) pass through the bearing rotate connect in the outer wall of filter screen barrel body (14), the outer wall of first body of rod (19) run through in one side of first block ring (21), one side of second block ring (24) run through in the outer wall of second body of rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310328839.7A CN116197109B (en) | 2023-03-30 | Graded screening device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310328839.7A CN116197109B (en) | 2023-03-30 | Graded screening device for coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116197109A CN116197109A (en) | 2023-06-02 |
| CN116197109B true CN116197109B (en) | 2024-07-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101288859A (en) * | 2007-04-16 | 2008-10-22 | 谢明明 | Subtitle substance refuse treatment and classification device |
| CN114365625A (en) * | 2020-10-15 | 2022-04-19 | 新疆大学 | Screening harvesting device with adjustable fruit that falls is picked up |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101288859A (en) * | 2007-04-16 | 2008-10-22 | 谢明明 | Subtitle substance refuse treatment and classification device |
| CN114365625A (en) * | 2020-10-15 | 2022-04-19 | 新疆大学 | Screening harvesting device with adjustable fruit that falls is picked up |
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