CN112317309A - Screening equipment for coal mining and using method thereof - Google Patents
Screening equipment for coal mining and using method thereof Download PDFInfo
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- CN112317309A CN112317309A CN202011238487.9A CN202011238487A CN112317309A CN 112317309 A CN112317309 A CN 112317309A CN 202011238487 A CN202011238487 A CN 202011238487A CN 112317309 A CN112317309 A CN 112317309A
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- shell
- screen
- cross beam
- screening
- side wall
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- 239000003245 coal Substances 0.000 title claims abstract description 70
- 238000012216 screening Methods 0.000 title claims abstract description 68
- 238000005065 mining Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000007873 sieving Methods 0.000 claims description 42
- 239000002893 slag Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000009933 burial Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses screening equipment for coal mining and a using method thereof, and belongs to the technical field of coal mining screening. A screening device for coal mining comprises a base, a front cross beam and a rear cross beam, wherein the front cross beam is higher than the rear cross beam, the front cross beam and the rear cross beam are fixedly arranged at the top of the base respectively, supporting and shaking mechanisms are fixedly arranged at the tops of the front cross beam and the rear cross beam, and the front cross beam and the rear cross beam are connected with a screening shell through the supporting and shaking mechanisms; according to the invention, the power mechanism drives the movable screen to sieve coal in a reciprocating manner so as to screen coal, and the movable screen drives the traction connecting rod to move through the follow-up mechanism when moving, so that the traction connecting rod drives the movable screen shell to shake, and further screening the coal falling onto the fixed screen is performed.
Description
Technical Field
The invention relates to the technical field of coal mining screening, in particular to screening equipment for coal mining and a using method thereof.
Background
In the process of coal mining, because the burial depths of coal resources are different, two modes of mine mining (deeper burial) and surface mining (shallower burial) are correspondingly adopted, but the mine mining is mainly adopted in China, coal is one of main energy sources used in the human world since the eighteenth century, the coal is one of essential energy sources for production and life of human society in the current and long future, and the existing coal needs to be screened after mining.
Traditional coal screening is mainly screened coal through the inside vibrations screen cloth of machine, if patent application number is 201611255020.9, application publication number is CN106824770A, the name is powder coal sieving mechanism, this disclosed technical scheme drives the screen cloth through setting up the cylinder and removes repeatedly to this reaches the effect of screening, makes in less coal falls the collecting box, and great coal can remain on the screen cloth, but the simple screen cloth that utilizes among the prior art sieves and moves and has following problem: due to the influence of the viscosity of coal particles, fine particles are easy to attach to larger particles to enable coal to be bonded into lumps, and the screening mode of the screen in the prior art is single, so that part of coal particles smaller than the size of a screen hole cannot penetrate through the screen, and the screening precision and efficiency are influenced.
Disclosure of Invention
The invention aims to solve the problems that fine particles are easy to attach to larger particles to cause coal to be bonded into lumps under the influence of the viscosity of coal particles in the prior art, and the screening precision and the screening efficiency are influenced because part of coal particles smaller than the size of a screen hole cannot penetrate through a screen due to the single screening form of the screen in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a screening device for coal mining comprises a base, a front cross beam and a rear cross beam, wherein the front cross beam is higher than the rear cross beam, the front cross beam and the rear cross beam are fixedly arranged at the top of the base respectively, a supporting and shaking mechanism is fixedly arranged at the tops of the front cross beam and the rear cross beam, the front cross beam and the rear cross beam are connected with a screening shell through the supporting and shaking mechanism, a bin arranged at the bottom of the screening shell is fixedly arranged between the front cross beam and the rear cross beam, a feed inlet is formed in the top of the screening shell, a mounting hole is formed in the bottom of the screening shell, a fixed screen is fixedly arranged in the mounting hole, a movable screen arranged above the fixed screen is further arranged at the bottom end of the screening shell, a power mechanism is fixedly arranged on the front side end wall of the movable screen, the power mechanism comprises a power motor, a rotary table and a switching shaft, the switching shaft is fixedly arranged on the side wall, a motor rotating shaft at the output end of the power motor penetrates through the sieving shell and is fixedly connected with the rotary table, and one end of the rotary shaft, which is far away from the movable screen, is eccentrically arranged on the rotary table; the rear side end wall of the movable screen is fixedly provided with a follow-up mechanism, the bottom end of the follow-up mechanism is connected with a traction rod piece, the traction rod piece is fixedly arranged on the side wall of the rear cross beam, and the output end of the traction rod piece is rotatably connected with the side wall of the screen movable shell.
Preferably, the support is rocked the mechanism and is included support column, spliced pole, pressure spring, installation piece, the support column sets firmly the top at front beam or back crossbeam, the spliced pole sets firmly the outer wall at the sieve movable housing, the outer wall at the spliced pole is established to the installation piece cover, the pressure spring is arranged in between support column and the installation piece.
Preferably, the discharge gate has been seted up to the bottom of feed bin, the sieve moves the lateral wall that the casing is close to the rear beam and has seted up the slag notch, be equipped with the baffle of slagging tap on the slag notch.
Preferably, the fixed screen is embedded in the mounting hole.
Preferably, the size of the moving screen is larger than that of the fixed screen.
Preferably, the following mechanism comprises an extension shaft, a following rod and a rotating column, the extension shaft is fixedly arranged on the side wall of the movable screen, one end, far away from the movable screen, of the extension shaft penetrates through the screen moving shell and is connected with the following rod in a rotating mode, one end, far away from the extension shaft, of the following rod penetrates through the rotating column, and the rotating column is rotatably arranged on the side wall of the storage bin.
Preferably, the traction rod piece comprises a local driving rack, a driven shuttle ring and an arc-shaped limiting shell, the local driving rack is fixedly arranged at the bottom of the follower rod, the arc-shaped limiting shell is fixedly arranged on the side wall of the rear cross beam, the driven shuttle ring penetrates through the arc-shaped limiting shell, one end, close to the local driving rack, of the driven shuttle ring is provided with an engaging tooth part, the engaging tooth part is engaged with the local driving rack, and a reset spring is fixedly arranged between the side wall, arranged outside the arc-shaped limiting shell, of the driven shuttle ring and the arc-shaped limiting shell.
Preferably, a pin shaft is arranged at one end of the driven shuttle ring, which is arranged outside the arc-shaped limiting shell, a connecting lug is fixedly arranged on the side wall of the sieving shell, and one end of the pin shaft, which is far away from the driven shuttle ring, is rotatably arranged on the connecting lug.
Preferably, a first movable hole for the motor rotating shaft to move is formed in the side wall of the front end of the sieving movable shell, and a second movable hole for the extension shaft to move is formed in the side wall of the rear end of the sieving movable shell.
A method of using a screening apparatus for coal mining, comprising the steps of:
s1: when the coal screening machine is used, coal to be screened enters the screening movable shell through the feeding hole and firstly falls into the movable screen, at the moment, the slag hole is closed, the movable screen is driven by the power mechanism to reciprocate in the screening movable shell so as to screen coal particles on the movable screen, specifically, the power motor drives the rotary table to rotate when in work, the rotary table further drives the transfer shaft to rotate, and the transfer shaft is eccentrically arranged on the rotary table, so that the transfer shaft can pull the movable screen to shake in a reciprocating manner when rotating, thereby screening coal, and the coal particles screened by the movable screen can fall onto the fixed screen;
s2: when the movable screen is driven by the power mechanism to shake in a reciprocating manner, the movable screen can drive the follower mechanism to move, specifically, when the movable screen is pulled by the adapter shaft, the follower rod is driven to swing through the extension shaft, and the follower rod is fixedly connected with the rotating column which is rotatably arranged on the side wall of the storage bin, so that the follower rod and the rotating column can be driven to swing on the side wall of the storage bin under the traction of the extension shaft;
s3: the servo rod can drag the sieving shell through the drag rod when swinging so as to drive the sieving shell to rock, so as to drive the fixed screen to rock and further screen coal particles, specifically, the servo rod can drive the local driving rack to swing while swinging, and the local driving rack is meshed with the meshing teeth, so that the local driving rack can drive the driven shuttle ring to shuttle in the arc-shaped limiting shell, and the driven shuttle ring further drags the sieving shell through the connecting lug so as to drive the sieving shell to rock;
s4: the sieving shell is connected with the support columns through the pressure springs, so that the pressure springs can not only support the sieving shell but also realize the shaking of the sieving shell under the traction of the driven shuttle ring;
s5: the coal screened by the movable screen and the fixed screen falls into the bin and is discharged from a discharge hole at the bottom of the bin, and the screened coal can be discharged when the slag hole is opened.
Compared with the prior art, the invention provides the screening equipment for coal mining and the use method thereof, and the screening equipment has the following beneficial effects:
1. according to the invention, the power mechanism drives the movable screen to perform reciprocating screening to screen coal, and the movable screen drives the traction connecting rod to move through the follow-up mechanism during movement, so that the traction connecting rod drives the screen movable shell to shake, and further screening of the coal falling onto the fixed screen is performed.
2. In the invention, the support shaking mechanism is arranged, the sieving shell is connected with the top end of the pressure spring through the mounting block, and the bottom end of the pressure spring is fixedly connected with the support column, so that the pressure spring can not only provide support for the sieving shell, but also realize shaking of the sieving shell.
3. In the invention, the side wall of the sieving shell close to the rear cross beam is provided with the slag hole, the slag hole is provided with the slag baffle, and the opening and closing of the slag hole are realized through the slag baffle.
4. According to the invention, the follower mechanism is arranged, the movable screen pulls the follower rod through the extension shaft when moving back and forth, and the follower rod is rotatably arranged on the side wall of the storage bin through the rotating column, so that the swing of the follower rod can be realized under the pulling action of the movable screen.
5. According to the coal screening device, the traction rod piece is arranged, the driven shuttle ring is driven to move in a shuttling mode in the arc-shaped limiting shell through the local driving rack belt when the driven rod swings, so that the screening shell is driven to swing along the front cross beam and the rear cross beam, coal entering the fixed screen mesh is further screened, and the reset spring arranged between the driven shuttle ring and the arc-shaped limiting shell facilitates resetting of the driven shuttle ring.
6. In the invention, the side wall of the front end of the sieving shell is provided with the first hole for the motor rotating shaft to move, so that the sieving shell is not contacted with the motor rotating shaft when shaking, and the side wall of the rear end of the sieving shell is provided with the second moving hole for the extension shaft to move, so that the extension shaft is not contacted with the sieving shell under the traction of the movable sieve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the invention from another perspective of FIG. 1;
FIG. 3 is a bottom view of FIG. 1 of the present invention;
FIG. 4 is a schematic view of the connection structure of the sieving housing and the supporting and shaking mechanism according to the present invention;
FIG. 5 is a schematic view of the support and oscillation mechanism of FIG. 4 with the support and oscillation mechanism removed according to the present invention;
FIG. 6 is a schematic view of the screen housing of the present invention;
FIG. 7 is a schematic structural view of portion A of FIG. 6 according to the present invention;
FIG. 8 is a schematic structural diagram of the connection between the dynamic screen and the storage bin;
FIG. 9 is a top view of the present invention of FIG. 8;
FIG. 10 is a schematic view of the structure of portion B of FIG. 9 according to the present invention;
FIG. 11 is a partial schematic view of the rear end of FIG. 8 in accordance with the present invention;
fig. 12 is a schematic view showing the structure of the connection of the follower rod and the traction link according to the present invention.
In the figure: 1. a base; 2. a front cross member; 3. a rear cross member; 4. a support shaking mechanism; 4-1, supporting columns; 4-2, connecting columns; 4-3, pressure spring; 4-4, mounting blocks; 5. a sifting housing; 6. a storage bin; 7. a feed inlet; 8. mounting holes; 9. fixing a screen; 10. moving a screen; 11. a power mechanism; 11-1, a power motor; 11-2, a turntable; 11-3, a transfer shaft; 12. a follow-up mechanism; 12-1, an extension shaft; 12-2, a follower rod; 12-3, a rotating column; 13. a traction bar; 13-1, local active rack; 13-2, driven shuttle ring; 13-3, arc limiting shell; 14. a discharge port; 15. a slag outlet; 15-1, a slag discharge baffle; 16. meshing the tooth parts; 17. a pin shaft; 18. connecting lugs; 19. a first movable hole; 20. a second movable hole; 21. a return spring; 22. a motor shaft.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-3, 5, 6, 9 and 10, a screening device for coal mining comprises a base 1, a front cross beam 2 and a rear cross beam 3, wherein the front cross beam 2 is higher than the rear cross beam 3, the front cross beam 2 and the rear cross beam 3 are respectively and fixedly arranged at the top of the base 1, the top of each of the front cross beam 2 and the rear cross beam 3 is fixedly provided with a supporting and shaking mechanism 4, the front cross beam 2 and the rear cross beam 3 are connected with a screening shell 5 through the supporting and shaking mechanisms 4, a bin 6 arranged at the bottom of the screening shell 5 is fixedly arranged between the front cross beam 2 and the rear cross beam 3, the top of the screening shell 5 is provided with a feed inlet 7, the bottom of the screening shell 5 is provided with a mounting hole 8, a fixed screen 9 is fixedly arranged in the mounting hole 8, a movable screen 10 arranged above the fixed screen 9 is further arranged at the bottom end of the screening shell 5, a power mechanism 11 is fixedly arranged at the front side end, The rotary screen comprises a rotary table 11-2 and a switching shaft 11-3, wherein the switching shaft 11-3 is fixedly arranged on the side wall of a movable screen 10, a power motor 11-1 is fixedly arranged on the outer wall of a front cross beam 2, a motor rotating shaft 22 at the output end of the power motor 11-1 penetrates through a screening shell 5 and is fixedly connected with the rotary table 11-2, and one end of the switching shaft 11-3, which is far away from the movable screen 10, is eccentrically arranged on the rotary table 11-2; the rear side end wall of the movable screen 10 is fixedly provided with a follow-up mechanism 12, the bottom end of the follow-up mechanism 12 is connected with a traction rod piece 13, the traction rod piece 13 is fixedly arranged on the side wall of the rear cross beam 3, and the output end of the traction rod piece 13 is rotatably connected with the side wall of the screen movable shell 5.
The supporting and shaking mechanism 4 comprises a supporting column 4-1, a connecting column 4-2, a pressure spring 4-3 and an installation block 4-4, the supporting column 4-1 is fixedly arranged at the top of the front cross beam 2 or the rear cross beam 3, the connecting column 4-2 is fixedly arranged on the outer wall of the sieving shell 5, the installation block 4-4 is sleeved on the outer wall of the connecting column 4-2, the pressure spring 4-3 is arranged between the supporting column 4-1 and the installation block 4-4, the sieving shell 5 is connected with the top end of the pressure spring 4-3 through the installation block 4-4 by arranging the supporting and shaking mechanism 4, and the bottom end of the pressure spring 4-3 is fixedly connected with the supporting column 4-1, so that the existence of the pressure spring 4-3 can not only provide support for the sieving shell 5, but also can realize the.
The bottom of the bin 6 is provided with a discharge hole 14, the side wall of the sieving shell 5 close to the rear cross beam 3 is provided with a slag hole 15, the slag hole 15 is provided with a slag baffle 15-1, the slag baffle 15-1 is detachably embedded at the position of the slag hole 15, and the opening and closing of the slag hole are realized through the slag baffle 15-1.
The fixed screen 9 is embedded in the mounting hole 8.
The size of the movable screen 10 is larger than that of the fixed screen 9, so that coal particles can conveniently enter the fixed screen 9 after being screened by the movable screen 10.
Example 2:
referring to fig. 4, 7, 8, 11 and 12, the following mechanism 12 is substantially the same as the embodiment 1, and further, the following mechanism 12 includes an extension shaft 12-1, a following rod 12-2 and a rotation column 12-3, the extension shaft 12-1 is fixed on the side wall of the moving screen 10, one end of the extension shaft 12-1 far away from the movable screen 10 penetrates through the screening shell 5 to be connected with the follower rod 12-2 in a rotating mode, one end of the follower rod 12-2 far away from the extension shaft 12-1 is inserted on the rotating column 12-3 in a penetrating mode, the rotating column 12-3 is rotatably arranged on the side wall of the storage bin 6, the movable screen 10 pulls the follower rod 12-2 through the extension shaft 12-1 during reciprocating movement, because the follower rod 12-2 is rotatably arranged on the side wall of the storage bin 6 through the rotating column 12-3, the follower rod 12-2 can swing under the traction of the movable screen 10.
The traction rod piece 13 comprises a local driving rack 13-1, a driven shuttle ring 13-2 and an arc-shaped limiting shell 13-3, the local driving rack 13-1 is fixedly arranged at the bottom of the follower rod 12-2, the arc-shaped limiting shell 13-3 is fixedly arranged on the side wall of the rear cross beam 3, the driven shuttle ring 13-2 passes through the arc-shaped limiting shell 13-3, one end of the driven shuttle ring 13-2 close to the local driving rack 13-1 is provided with an engaging tooth part 16, the engaging tooth part 16 is engaged with the local driving rack 13-1, a return spring 21 is fixedly arranged between the side wall of the driven shuttle ring 13-2 arranged outside the arc-shaped limiting shell 13-3 and the arc-shaped limiting shell 13-3, the follower rod 12-2 drives the driven shuttle ring 13-2 to shuttle in the arc-shaped limiting shell 13-3 through the local driving rack 13-1 during swinging, thereby driving the sieving shell 5 to rock along the front cross beam 2 and the rear cross beam 3 to further sieve the coal entering the fixed screen 9, and the reset spring 21 arranged between the driven shuttle ring 13-2 and the arc-shaped limit shell 13-3 is convenient for resetting the driven shuttle ring 13-2.
The driven shuttle ring 13-2 is arranged at one end outside the arc-shaped limiting shell 13-3 and is provided with a pin shaft 17, the side wall of the sieving shell 5 is fixedly provided with a connecting lug 18, and one end of the pin shaft 17 far away from the driven shuttle ring 13-2 is rotatably arranged on the connecting lug 18.
The side wall of the front end of the sifting shell 5 is provided with a first movable hole 19 for the motor rotating shaft 22 to move, so that the sifting shell 5 is not contacted with the motor rotating shaft 22 when shaking, and the side wall of the rear end of the sifting shell 5 is provided with a second movable hole 20 for the extension shaft 12-1 to move, so that the extension shaft 12-1 is not contacted with the sifting shell 5 under the traction of the movable screen 10.
The invention also discloses a use method of the screening equipment for coal mining, which comprises the following steps:
s1: when the coal screening machine is used, coal to be screened enters the screening shell 5 through the feeding hole 7 and firstly falls onto the movable screen 10, at the moment, the slag hole 15 is closed, the movable screen 10 is driven to reciprocate in the screening shell 5 under the driving of the power mechanism 11 so as to screen coal particles on the movable screen 10, specifically, the power motor 11-1 drives the rotary table 11-2 to rotate when in work, the rotary table 11-2 further drives the transfer shaft 11-3 to rotate, and the transfer shaft 11-3 is eccentrically arranged on the rotary table 11-2, so that the transfer shaft 11-3 can pull the movable screen 10 to shake in a reciprocating manner when rotating, thereby screening the coal, and the coal particles screened by the movable screen 10 can fall onto the fixed screen 9;
s2: when the movable screen 10 is driven by the power mechanism 11 to shake in a reciprocating manner, the movable screen 10 can drive the follower mechanism 12 to move, specifically, when the movable screen 10 is pulled by the transfer shaft 11-3, the follower rod 12-2 is driven to swing through the extension shaft 12-1, because the follower rod 12-2 is fixedly connected with the rotating column 12-3 and the rotating column 12-3 is rotatably arranged on the side wall of the storage bin 6, the follower rod 12-2 and the rotating column 12-3 can be driven to swing on the side wall of the storage bin 6 under the traction of the extension shaft 12-1;
s3: the follow-up rod 12-2 can drag the sieving shell 5 through the drag rod 13 when swinging to drive the sieving shell 5 to swing, so as to drive the fixed screen 9 to swing to further screen coal particles, specifically, the follow-up rod 12-2 can drive the local driving rack 13-1 to swing when swinging, and the local driving rack 13-1 can drive the driven shuttle ring 13-2 to shuttle in the arc-shaped limiting shell 13-3 because the local driving rack 13-1 is meshed with the meshing tooth part 16 teeth, and the driven shuttle ring 13-2 can further drag the sieving shell 5 through the connecting lug 18 to drive the sieving shell 5 to swing;
s4: the sieving shell 5 is connected with the support column 4-1 through the pressure spring 4-3, so that under the traction of the driven shuttle ring 13-2, the pressure spring 4-3 can not only support the sieving shell 5, but also realize the shaking of the sieving shell 5;
s5: the coal screened by the movable screen 10 and the fixed screen 9 falls into the bunker 6 and is discharged through a discharge hole 14 at the bottom of the bunker 6, and the screened coal can be discharged when a slag hole 15 is opened.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The screening device for coal mining comprises a base (1), a front cross beam (2) and a rear cross beam (3), wherein the front cross beam (2) is higher than the rear cross beam (3), the front cross beam (2) and the rear cross beam (3) are respectively fixedly arranged at the top of the base (1), the screening device is characterized in that a supporting and shaking mechanism (4) is fixedly arranged at the tops of the front cross beam (2) and the rear cross beam (3), the front cross beam (2) and the rear cross beam (3) are connected with a screening shell (5) through the supporting and shaking mechanism (4), a bin (6) arranged at the bottom of the screening shell (5) is fixedly arranged between the front cross beam (2) and the rear cross beam (3), a feeding hole (7) is formed in the top of the screening shell (5), a mounting hole (8) is formed in the bottom of the screening shell (5), a fixed screen (9) is fixedly arranged in the mounting hole (8), the bottom end of the screening shell (5) is further provided with a movable screen (10) arranged above the fixed screen (9), the front side end wall of the movable screen (10) is fixedly provided with a power mechanism (11), the power mechanism (11) comprises a power motor (11-1), a rotary table (11-2) and a transfer shaft (11-3), the transfer shaft (11-3) is fixedly arranged on the side wall of the movable screen (10), the power motor (11-1) is fixedly arranged on the outer wall of the front cross beam (2), a motor rotating shaft (22) at the output end of the power motor (11-1) penetrates through the screening shell (5) and is fixedly connected with the rotary table (11-2), and one end, far away from the movable screen (10), of the transfer shaft (11-3) is eccentrically arranged on the rotary table (11-1); the rear side end wall of the movable screen (10) is fixedly provided with a follow-up mechanism (12), the bottom end of the follow-up mechanism (12) is connected with a traction rod piece (13), the traction rod piece (13) is fixedly arranged on the side wall of the rear cross beam (3), and the output end of the traction rod piece (13) is rotatably connected with the side wall of the screen movable shell (5).
2. The screening device for coal mining according to claim 1, wherein the supporting and shaking mechanism (4) comprises a supporting column (4-1), a connecting column (4-2), a pressure spring (4-3) and a mounting block (4-4), the supporting column (4-1) is fixedly arranged at the top of the front cross beam (2) or the rear cross beam (3), the connecting column (4-2) is fixedly arranged on the outer wall of the screening shell (5), the mounting block (4-4) is sleeved on the outer wall of the connecting column (4-2), and the pressure spring (4-3) is arranged between the supporting column (4-1) and the mounting block (4-4).
3. The screening apparatus for coal mining according to claim 1, wherein a discharge hole (14) is formed in the bottom of the bunker (6), a slag hole (15) is formed in the side wall of the sieving shell (5) close to the rear cross beam (3), and a slag baffle (15-1) is arranged on the slag hole (15).
4. A screening apparatus for coal mining as claimed in claim 1 wherein the static screen (9) is embedded in the mounting hole (8).
5. A screening apparatus for coal mining according to claim 4, characterized in that the size of the moving screen (10) is larger than the size of the stationary screen (9).
6. The screening apparatus for coal mining according to claim 2, wherein the follower mechanism (12) comprises an extension shaft (12-1), a follower rod (12-2) and a rotary column (12-3), the extension shaft (12-1) is fixedly arranged on the side wall of the movable screen (10), one end of the extension shaft (12-1) far away from the movable screen (10) penetrates through the screening housing (5) and is rotatably connected with the follower rod (12-2), one end of the follower rod (12-2) far away from the extension shaft (12-1) is inserted on the rotary column (12-3), and the rotary column (12-3) is rotatably arranged on the side wall of the storage bin (6).
7. The screening apparatus for coal mining according to claim 6, wherein the traction rod member (13) comprises a local driving rack (13-1), a driven shuttle ring (13-2) and an arc-shaped limit shell (13-3), the local driving rack (13-1) is fixedly arranged at the bottom of the follower rod (12-2), the arc-shaped limit shell (13-3) is fixedly arranged at the side wall of the rear cross beam (3), the driven shuttle ring (13-2) passes through the inside of the arc-shaped limit shell (13-3), one end of the driven shuttle ring (13-2) close to the local driving rack (13-1) is provided with an engaging tooth part (16), the engaging tooth part (16) is engaged with the local driving rack (13-1), the side wall of the driven shuttle ring (13-2) arranged outside the arc-shaped limit shell (13-3) is engaged with the arc-shaped limit shell (13-1), and the driven shuttle ring (13-2) is arranged at the side wall of the arc-shaped limit shell (13- A return spring (21) is fixedly arranged between the two-way valve and the valve seat 3).
8. The screening apparatus for coal mining according to claim 7, wherein a pin (17) is arranged at one end of the driven shuttle ring (13-2) arranged outside the arc-shaped limiting shell (13-3), a connecting lug (18) is fixedly arranged on the side wall of the screening shell (5), and one end of the pin (17) far away from the driven shuttle ring (13-2) is rotatably arranged on the connecting lug (18).
9. A screening apparatus for coal mining according to any one of claims 6 to 8, wherein the front end side wall of the screen casing (5) is provided with a first movable hole (19) for moving the motor shaft (22), and the rear end side wall of the screen casing (5) is provided with a second movable hole (20) for moving the extension shaft (12-1).
10. Use of a screening apparatus for coal mining according to any one of claims 1 to 9, comprising the steps of:
s1: when in use, the coal to be screened enters the screening shell (5) through the feed inlet (7), and firstly falls onto the movable screen (10), at the moment, the slag outlet (15) is closed, the power mechanism (11) drives the movable screen (10) to reciprocate in the screen movable shell (5), to screen the coal particles on the movable screen (10), in particular to a power motor (11-1) which drives a turntable (11-2) to rotate when working, the turntable (11-2) further drives a transfer shaft (11-3) to rotate, because the transfer shaft (11-3) is eccentrically arranged on the rotary table (11-2), the transfer shaft (11-3) can drag the screen (10) to shake in a reciprocating way when rotating, thereby screening the coal, and the coal particles screened by the movable screen (10) can fall on the fixed screen (9);
s2: when the movable screen (10) is driven by the power mechanism (11) to shake in a reciprocating manner, the follow-up mechanism (12) can be driven to move, specifically, when the movable screen (10) is pulled by the transfer shaft (11-3), the extension shaft (12-1) drives the follower rod (12-2) to swing, and as the follower rod (12-2) is fixedly connected with the rotating column (12-3) and the rotating column (12-3) is rotatably arranged on the side wall of the storage bin (6), the follower rod (12-2) and the rotating column (12-3) can be driven to swing on the side wall of the storage bin (6) under the traction of the extension shaft (12-1);
s3: the follow rod (12-2) can drag the sieving shell (5) through the drag rod (13) when swinging to drive the sieving shell (5) to swing so as to drive the fixed screen (9) to swing to further screen coal particles, specifically, the follow rod (12-2) drives the local driving rack (13-1) to swing while swinging, and the local driving rack (13-1) is meshed with the meshing tooth part (16), so that the local driving rack (13-1) can drive the driven shuttle ring (13-2) to shuttle in the arc limiting shell (13-3), and the driven shuttle ring (13-2) can further drag the sieving shell (5) through the connecting lug (18) so as to drive the sieving shell (5) to swing;
s4: the sieving shell (5) is connected with the supporting column (4-1) through the pressure spring (4-3), so that under the traction of the driven shuttle ring (13-2), the pressure spring (4-3) can not only support the sieving shell (5), but also realize the shaking of the sieving shell (5);
s5: the coal screened by the movable screen (10) and the fixed screen (9) falls into the bin (6) and is discharged through a discharge hole (14) at the bottom of the bin (6), and the screened coal can be discharged when a slag outlet (15) is opened.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174054.6A CN113967591A (en) | 2020-11-09 | 2020-11-09 | Coal screening equipment and use method |
| CN202011238487.9A CN112317309B (en) | 2020-11-09 | 2020-11-09 | Screening equipment for coal mining and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238487.9A CN112317309B (en) | 2020-11-09 | 2020-11-09 | Screening equipment for coal mining and using method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111174054.6A Division CN113967591A (en) | 2020-11-09 | 2020-11-09 | Coal screening equipment and use method |
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| Publication Number | Publication Date |
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| CN112317309A true CN112317309A (en) | 2021-02-05 |
| CN112317309B CN112317309B (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111174054.6A Withdrawn CN113967591A (en) | 2020-11-09 | 2020-11-09 | Coal screening equipment and use method |
| CN202011238487.9A Active CN112317309B (en) | 2020-11-09 | 2020-11-09 | Screening equipment for coal mining and using method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111174054.6A Withdrawn CN113967591A (en) | 2020-11-09 | 2020-11-09 | Coal screening equipment and use method |
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| Country | Link |
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| CN (2) | CN113967591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254283A (en) * | 2022-07-28 | 2022-11-01 | 宁夏煤矿设计研究院有限责任公司 | Coal vibration screening device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319953B (en) * | 2022-10-11 | 2023-02-10 | 海安浩驰科技有限公司 | Automatic raw material screening equipment for polyurethane anti-fog film and using method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201572745U (en) * | 2009-12-17 | 2010-09-08 | 何立强 | Sand sieving machine |
| CN202479125U (en) * | 2011-12-31 | 2012-10-10 | 江苏正昌粮机股份有限公司 | Spring supporting gyratory screen |
| CN206483693U (en) * | 2016-12-26 | 2017-09-12 | 湖州铭诚生物科技有限公司 | The portable cam screening plant of medicinal herbs |
| CN207351120U (en) * | 2017-11-02 | 2018-05-11 | 成都国力绿色食品有限公司 | A kind of daylight drying sieve |
| CN108672273A (en) * | 2018-07-05 | 2018-10-19 | 佛山市墨宸智能科技有限公司 | A kind of sorting mechanism for coal |
| CN208600107U (en) * | 2018-03-15 | 2019-03-15 | 杜亚囡 | A kind of coal mine screening plant |
| CN208786907U (en) * | 2018-07-16 | 2019-04-26 | 福建七境茶业有限公司 | A kind of tea screening removal of impurities dust-extraction unit |
| CN211563665U (en) * | 2020-01-13 | 2020-09-25 | 山东中平药业有限公司 | Vibration screening machine |
| CN111804578A (en) * | 2020-08-06 | 2020-10-23 | 梁练 | Hot mine vibrating screen for coal mine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769240A (en) * | 1995-10-11 | 1998-06-23 | Western Wire Works, Inc. | Screening systems and methods for screening particulate material |
| CN109954663A (en) * | 2017-12-24 | 2019-07-02 | 温育炤 | A kind of waste electronic crystal grain separating and recovering equipment |
| CN109550686A (en) * | 2018-09-27 | 2019-04-02 | 宿迁知芃智能科技有限公司 | A kind of green soya bean screening machine |
-
2020
- 2020-11-09 CN CN202111174054.6A patent/CN113967591A/en not_active Withdrawn
- 2020-11-09 CN CN202011238487.9A patent/CN112317309B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201572745U (en) * | 2009-12-17 | 2010-09-08 | 何立强 | Sand sieving machine |
| CN202479125U (en) * | 2011-12-31 | 2012-10-10 | 江苏正昌粮机股份有限公司 | Spring supporting gyratory screen |
| CN206483693U (en) * | 2016-12-26 | 2017-09-12 | 湖州铭诚生物科技有限公司 | The portable cam screening plant of medicinal herbs |
| CN207351120U (en) * | 2017-11-02 | 2018-05-11 | 成都国力绿色食品有限公司 | A kind of daylight drying sieve |
| CN208600107U (en) * | 2018-03-15 | 2019-03-15 | 杜亚囡 | A kind of coal mine screening plant |
| CN108672273A (en) * | 2018-07-05 | 2018-10-19 | 佛山市墨宸智能科技有限公司 | A kind of sorting mechanism for coal |
| CN208786907U (en) * | 2018-07-16 | 2019-04-26 | 福建七境茶业有限公司 | A kind of tea screening removal of impurities dust-extraction unit |
| CN211563665U (en) * | 2020-01-13 | 2020-09-25 | 山东中平药业有限公司 | Vibration screening machine |
| CN111804578A (en) * | 2020-08-06 | 2020-10-23 | 梁练 | Hot mine vibrating screen for coal mine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254283A (en) * | 2022-07-28 | 2022-11-01 | 宁夏煤矿设计研究院有限责任公司 | Coal vibration screening device |
| CN115254283B (en) * | 2022-07-28 | 2023-10-20 | 宁夏煤矿设计研究院有限责任公司 | Coal vibration screening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112317309B (en) | 2021-11-09 |
| CN113967591A (en) | 2022-01-25 |
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Effective date of registration: 20211021 Address after: 719000 Shanghe village, Jinjitan Town, Yuyang District, Yulin City, Shaanxi Province Applicant after: Shaanxi Yinhe Coal Development Co.,Ltd. Address before: 471700 group 3, Wenzhuang village, suburb of Luoning County, Luoyang City, Henan Province Applicant before: Jia Bingbing |
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