CN116174084B - Colliery screening installation that colliery was opened and is used - Google Patents
Colliery screening installation that colliery was opened and is used Download PDFInfo
- Publication number
- CN116174084B CN116174084B CN202310162021.2A CN202310162021A CN116174084B CN 116174084 B CN116174084 B CN 116174084B CN 202310162021 A CN202310162021 A CN 202310162021A CN 116174084 B CN116174084 B CN 116174084B
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- Prior art keywords
- screen frame
- box body
- crushing
- frame
- screen
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- 238000012216 screening Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 title description 4
- 239000003245 coal Substances 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000001095 motoneuron effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- 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
-
- 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
-
- 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
A coal mine screening device for coal mine is characterized in that a reel is arranged outside a box body, one end of a pull rope is connected with the reel through a through hole formed in the box body, and the other end of the pull rope is connected with a screen frame in the box body; two crushing rollers are arranged in the box body above the uppermost screen frame, one end of each crushing roller is meshed with the other end of each crushing roller through a gear, and the other end of each crushing roller is connected with a crushing motor; colliery material gets into the box from the box feed inlet, the crushing roller that is connected with crushing motor rotates, drive another crushing roller by gear engagement and rotate, the coal material falls into between two crushing rollers and falls into the uppermost screen frame after crushing through the extrusion, the stay cord is tightened up under driving motor effect to the spool, stay cord drives each layer of screen frame one end and promotes, after screen frame one end reaches its highest position, driving motor reverses, the stay cord releases, the screen frame sags under its bottom balancing weight effect, screen frame one end fast downward sloping, the screen frame shakes, the coal material falls into the lower floor screen frame fast from upper screen frame, increase colliery material motion range, improve screening efficiency and precision.
Description
Technical Field
The invention relates to coal mine screening equipment for coal mine exploitation, and belongs to the technical field of coal mine exploitation.
Background
Currently, the coal mining areas in China are generally divided into underground coal mines and open air coal mines. When the coal seam is far away from the ground surface, coal is selected to be extracted from the underground mining tunnel; when the coal seam is closer to the ground surface, the ground surface soil layer is generally peeled directly to excavate coal, and the exploited raw coal can be used for enterprises such as coking or chemical industry through various procedures such as screening and impurity removal.
The existing coal mine screening equipment utilizes the screen plate to perform screening by tilting up and down, coal mine materials on the upper surface of the screen plate are mostly tilting up and down in situ, screening efficiency and screening precision are low, and the progress requirement of the next working procedure cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides coal mine screening equipment for coal mine exploitation, which can improve the coal screening efficiency and accuracy and meet the requirement of the next working procedure.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the coal mine screening device for coal mine exploitation comprises a box body, wherein the upper end of the box body is provided with a feed inlet communicated with the inside of the box body, the upper part of one side of the box body is provided with a plurality of through holes along the width direction of the box body, a pull rope is respectively penetrated in each through hole, one end of each pull rope is connected with a reel positioned at the outside of the box body, and the other end of each pull rope is respectively connected with each screen frame below a guide rod after being wound around the upper part of the outer circumference of the guide rod positioned in the box body;
the reel is horizontally and rotatably arranged on the box body along the width direction of the box body through mounting plates at two sides, is positioned at the same side of the box body as the through hole, is sleeved with a plurality of baffle plates along the axial direction of the reel on the outer circumference of the reel, and is respectively winded with a pull rope on the circumferential section between the adjacent baffle plates; one end of the scroll is connected with the driving motor;
The guide rod is transversely arranged on the inner wall of the side box body where the scroll is positioned;
The screen frames are sequentially and correspondingly arranged from top to bottom, each screen frame comprises a main body frame, one end of the main body frame is provided with a plurality of pull rings, the bottom of the main body frame, which is close to the end where the pull rings are positioned, is provided with balancing weights along the width direction of the frame, the other end of the main body frame is provided with a through rotating hole along the width direction of the main body frame, and a screen is arranged in the frame;
one end of each screen frame balancing weight close to the screen frame balancing weight is respectively connected with the mounting seat, and the other end of the screen frame opposite to the end where the balancing weight is located is rotationally connected to the rotating rod through the rotating hole; the rotating rod is connected to the inner wall of the box body;
each mounting seat is sequentially arranged on the inner wall of the box body on the side where the guide rod is located from top to bottom, the U-shaped mounting seat is a U-shaped support, the U-shaped opening end faces the screen frame, the opening height of the U-shaped opening end is larger than the thickness of the screen frame main body frame, and the opening width of the U-shaped opening end is smaller than the distance between the balancing weight and the pull ring; a plurality of strip-shaped grooves are formed in the other end of the mounting seat opposite to the U-shaped opening, mounting holes communicated with the inner cavities of the strip-shaped grooves are correspondingly formed above and below the strip-shaped grooves, the inner diameter of each mounting hole is not smaller than the outer diameter of each pull rope, each pull rope sequentially passes through the corresponding upper mounting hole after passing through the guide rod, is connected with each pull ring through the strip-shaped groove, and is connected with the next screen frame through the lower mounting hole;
the box body at one side far away from the end where the mounting seat is positioned is correspondingly provided with a discharging cylinder respectively; the bottom of the box body below the lowermost screen frame is provided with a receiving box;
The inside of the box body above the screen frame is also provided with a crushing mechanism, the crushing mechanism comprises a pair of crushing rollers which are arranged in parallel, one ends of the crushing rollers are meshed through gears, the other ends of the crushing rollers are provided with crushing motors, and the crushing motors are connected with one of the crushing rollers; the crushing roller is positioned below the feed inlet.
As one embodiment of the invention, three through holes are arranged at equal intervals along the width of one side of the box body; the number of the pull ropes is three; the screen frames are three, namely a first screen frame, a second screen frame and a third screen frame from top to bottom in sequence, wherein the screens arranged in the screen frames are a first screen, a second screen and a third screen respectively, and the mesh diameters of the second screen and the third screen of the first screen are sequentially reduced; the number of pull rings of each screen frame is three; the number of the mounting seats is three, the number of the strip-shaped grooves on each mounting seat is three, and the number of the mounting holes is three; the discharging cylinders are three, and sealing plugs are arranged in the discharging cylinders.
In order to prevent coal materials from affecting the operation of the pull ropes and simultaneously provide a fixed point for the installation of the crushing roller, a partition plate is arranged between the crushing roller and the guide rod, the upper end of the partition plate is connected with a top plate at the upper part of the box body, and the lower end of the partition plate is connected with the upper end surface of an installation seat at the uppermost layer; the end of the crushing roller gear is arranged on the partition board.
In order to facilitate the maintenance of the internal structure, the back of the box body is provided with an access door; as one embodiment of the invention, the four corners of the bottom of the box body are respectively fixedly provided with supporting legs; in order to be convenient for the feeding, prevent that the material is unrestrained, install the feeder hopper on the feed inlet.
According to the invention, a reel is arranged at one side outside the box body, one end of a pull rope is connected with the reel through a through hole formed in the box body, and the other end of the pull rope is connected with a multi-layer screen frame positioned inside the box body; a pair of crushing rollers are also arranged in the box body above the uppermost screen frame, one end of each crushing roller is meshed through a gear, and the other end of one crushing roller is connected with a crushing motor; the coal mine material to be screened enters the box from the feed inlet at the upper end of the box, the crushing motor is started, the crushing roller connected with the crushing motor rotates, the gear meshing drives the other crushing roller to rotate, the coal material falls into the uppermost screen frame after being crushed by rotary extrusion between the two crushing rollers, the driving motor is started, the reel tightens the pull rope under the action of the driving motor, the pull rope drives one end of each screen frame to conduct lifting movement, the other end of each screen frame rotates around the rotating rod in situ, when the pull rope tightens to a certain extent, after one end of each screen frame reaches the highest lifting position, the driving motor is reversed, the pull rope is released, and then each screen frame is accelerated to droop under the action of the balancing weight at the bottom of the screen frame, so that one end of each screen frame quickly realizes downward inclination, the other end quickly rotates around the rotating rod, shaking of each screen frame is realized, the crushed material quickly falls into the lower screen frame from the upper screen frame, the movement amplitude of the coal material in the screen frame is greatly improved, the screening efficiency and the accuracy are improved, and the requirement of the next procedure is met.
Drawings
FIG. 1 is a schematic view of the structure of one side of the case of the present invention;
FIG. 2 is a schematic view of the structure of the other side of the case of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the structure of the screen frame of the present invention;
fig. 5 is a schematic structural view of the mounting base of the present invention.
In the figure: 1. the box body comprises a box body 2, a feed inlet 3, a through hole 4, a pull rope 5, a reel 6, a guide rod 7, a screen frame 701, a main body frame 702, a pull ring 703, a balancing weight 704, a rotating hole 705 and a screen;
8. The mounting plate, 9, the baffle disc, 10, the driving motor;
11. mounting seats 1101, U-shaped openings 1102, strip-shaped grooves 1103 and mounting holes;
12. The rotary rod, 13, a discharging cylinder, 14, a receiving box, 15, a crushing roller, 16, a gear, 17, a crushing motor, 18, a sealing plug, 19, a partition plate, 20, an access door, 21, a supporting leg, 22 and a feeding hopper.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1,2 and 3, the coal mine screening device for coal mine exploitation comprises a box body 1, wherein a feed inlet 2 communicated with the interior of the box body is arranged at the upper end of the box body 1, a plurality of through holes 3 are formed in the upper part of one side of the box body along the width direction of the box body, a pull rope 4 is respectively penetrated in each through hole 3, one end of each pull rope 4 is connected with a reel 5 positioned outside the box body, and the other end of each pull rope is respectively connected with a screen frame 7 below a guide rod 6 after being wound around the upper part of the outer circumference of the guide rod 6 positioned inside the box body;
The reel 5 is horizontally and rotatably arranged on the box body 1 along the width direction of the box body through mounting plates 8 at two sides, and is positioned at the same side of the box body as the through hole 3, a plurality of baffle discs 9 are sleeved on the outer circumference of the reel 5 along the axial direction of the reel, and a pull rope 4 is wound on the circumferential section between every two adjacent baffle discs 9; one end of the scroll 5 is connected with a driving motor 10;
the guide rod 6 is transversely arranged on the inner wall of the side box body where the scroll 5 is positioned;
as shown in fig. 4, the frames 7 are correspondingly arranged from top to bottom, each frame 7 includes a main body frame 701, one end of the main body frame 701 is provided with a plurality of pull rings 702, the bottom of the main body frame 701 near the end where the pull rings 702 are located is provided with a balancing weight 703 along the width direction of the frame, the other end of the main body frame 701 is provided with a through rotating hole 704 along the width direction of the frame, and a screen 705 is arranged in the main body frame;
As shown in fig. 3, one end of each screen frame balancing weight 703, which is close to the screen frame balancing weight 703, is respectively connected with the mounting seat 11, and the other end of the screen frame 7 opposite to the end of the balancing weight 703 is rotatably connected to the rotating rod 12 through the rotating hole 704; the rotating rod 12 is connected to the inner wall of the box body;
As shown in fig. 3, 4 and 5, the mounting seats 11 are sequentially mounted on the inner wall of the box body on the side where the guide rod 6 is located from top to bottom, and are U-shaped supports, the end of the U-shaped opening 1101 faces the screen frame, the opening height of the U-shaped opening is greater than the thickness of the main frame 701 of the screen frame, and the opening width of the U-shaped opening is smaller than the distance between the balancing weight 703 and the pull ring 702; a plurality of strip-shaped grooves 1102 are formed in the other end of the mounting seat opposite to the U-shaped opening 1101, mounting holes 1103 communicated with the inner cavities of the strip-shaped grooves are correspondingly formed above and below each strip-shaped groove 1102, the inner diameter of each mounting hole 1103 is not smaller than the outer diameter of each pull rope 4, each pull rope 4 sequentially passes through the corresponding upper mounting hole 1103 through a guide rod 6, then is connected with each pull ring 702 through the corresponding strip-shaped groove 1102, and is connected with the next layer of screen frame 7 through the corresponding lower mounting hole 1103;
the discharging cylinders 13 are correspondingly arranged on the box body of one side of the end of each layer of screen frames 7 far away from the mounting seat 11; the bottom of the box body below the lowermost screen frame is provided with a receiving box 14;
a crushing mechanism is further arranged in the box body above the screen frame 7, the crushing mechanism comprises a pair of crushing rollers 15 which are arranged in parallel, one ends of the crushing rollers 15 are meshed through a gear 16, the other ends of the crushing rollers are provided with a crushing motor 17, and the crushing motor 17 is connected with one of the crushing rollers 15; the pulverizing roll 15 is located below the feed inlet 2.
Further, three through holes 3 are arranged at equal intervals along the width of one side of the box body; the number of the pull ropes 4 is three; the screen frames 7 are three, namely a first screen frame, a second screen frame and a third screen frame from top to bottom in sequence, wherein the screens arranged in the screen frames are a first screen, a second screen and a third screen respectively, and the mesh diameters of the second screen and the third screen of the first screen are sequentially reduced; the number of pull rings 702 of each screen frame 7 is three; three mounting seats 11 are arranged, three strip-shaped grooves 1102 are formed in each mounting seat, and three mounting holes 1103 are formed; the number of the discharging cylinders 13 is three, and sealing plugs 18 are arranged in the discharging cylinders 13.
Further, a partition plate 19 is arranged between the crushing roller 15 and the guide rod 6, the upper end of the partition plate 19 is connected with the top plate at the upper part of the box body, and the lower end of the partition plate 19 is connected with the upper end face of the mounting seat 11 at the uppermost layer; the end of the crushing roller gear is mounted on the partition 19.
Further, an access door 20 is arranged on the back of the box body; support legs 21 are fixedly arranged at four corners of the bottom of the box body respectively; the feed inlet 2 is provided with a feed hopper 22.
The working process comprises the following steps: starting a crushing motor 17, wherein the crushing motor 17 drives one crushing roller 15 to rotate, and under the meshing action of a meshing gear 16, the other crushing roller 15 rotates, and coal materials to be screened fall into the space between the rotating crushing rollers 15 through a feed inlet 2 and are crushed by extrusion;
Starting a driving motor 10, driving the reel 5 to rotate by the driving motor 10, driving the pull rope 4 to tighten through the guide rod 6 by the rotation of the reel 5, then lifting one end of each screen frame 7 connected with the pull rope 4 in series, and rotating the other end of each screen frame in situ by taking the rotating rod 12 as an axis to achieve the effect of tilting one end of each screen frame 7 until the pull rope 4 tightens to a set degree, stopping the driving motor 10 after one end of each screen frame 7 reaches the maximum tilting degree, at the moment, enabling the coal materials crushed by the crushing roller 15 to fall to the screen frame 7 at the uppermost layer, enabling part of materials with the diameter smaller than the mesh diameter of the screen cloth 705 at the uppermost layer to fall to the screen frame 7 at the second layer, and enabling the materials with the mesh diameter smaller than the mesh diameter of the screen cloth 705 at the second layer to continuously fall to the screen frame 7 at the next layer; the driving motor 10 is started again to rotate reversely, the reel 5 rotates reversely to drive the pull rope 4 to release through the guide rod 6, then one end of each screen frame 7 connected with the pull rope 4 in series is lowered and rapidly tilts downwards under the action of gravity of the balancing weight 703, the other end of each screen frame 7 rotates in situ by taking the rotating rod 12 as an axis, the effect of suddenly tilting one end of each screen frame 7 is achieved, until the pull rope 4 is released to a set degree, one end of each screen frame 7 reaches the maximum downward tilting, coal materials acquire larger potential energy under the action of the shaking screen frames, and the movement amplitude of the coal materials in the screen frames 7 is improved, so that the screening efficiency and the screening precision are improved; in the process of lifting the pull rope 4 of the next round, the material which does not fall to the next layer of screen frame 7 after shaking the screen frame rolls down into the discharging cylinder 13 from the lifting end of the screen frame 7, and flows out of the box body after opening the plugging plug 18 in the discharging cylinder 13 to enter the next treatment procedure; the material filtered by the screen 705 with the smallest mesh diameter at the lowest layer after being screened enters the material receiving box 14 at the bottom of the box body and enters the next treatment process.
Claims (3)
1. The coal mine screening device for coal mine exploitation comprises a box body (1), wherein a feed inlet (2) communicated with the inside of the box body (1) is formed in the upper end of the box body (1), and the coal mine screening device is characterized in that a plurality of through holes (3) are formed in the upper portion of one side of the box body (1) along the width direction of the box body, a pull rope (4) is respectively arranged in each through hole (3) in a penetrating mode, one end of each pull rope (4) is connected with a reel (5) positioned at the outside of the box body (1), and the other end of each pull rope is connected with a screen frame (7) below the guide rod (6) after being wound on the upper portion of the outer circumference of the guide rod (6) positioned in the box body (1);
The reel (5) is horizontally and rotatably arranged on the box body (1) along the width direction of the box body (1) through mounting plates (8) at two sides, and is positioned at the same side of the box body (1) as the through hole (3), a plurality of baffle discs (9) are sleeved on the outer circumference of the reel (5) along the axial direction of the reel, and a pull rope (4) is wound on the circumferential section between every two adjacent baffle discs (9); one end of the scroll (5) is connected with the driving motor (10);
the guide rod (6) is transversely arranged on the inner wall of the side box body (1) where the scroll (5) is positioned;
Each screen frame (7) is correspondingly arranged in sequence from top to bottom, each screen frame (7) comprises a main body frame (701), one end of the main body frame (701) is provided with a plurality of pull rings (702), the bottom of the main body frame (701) close to the end where the pull rings (702) are located is provided with a balancing weight (703) along the width direction of the frame, the other end of the main body frame (701) is provided with a through rotating hole (704) along the width direction of the frame, and a screen (705) is arranged in the frame;
One end, close to the balancing weight, of each screen frame (7) is respectively connected with the mounting seat (11), and the other end, opposite to the end, where the balancing weight (703) is located, of the screen frame (7) is rotationally connected to the rotating rod (12) through the rotating hole (704); the rotating rod (12) is connected to the inner wall of the box body (1);
the mounting seats (11) are sequentially arranged on the inner wall of the box body (1) on the side where the guide rod (6) is arranged from top to bottom, the U-shaped support is arranged, the end of the U-shaped opening (1101) faces the screen frame (7), the opening height of the U-shaped opening is larger than the thickness of the screen frame main body frame (701), and the opening width of the U-shaped opening is smaller than the distance between the balancing weight (703) and the pull ring (702); a plurality of strip-shaped grooves (1102) are formed in the other end of the mounting seat (11) opposite to the U-shaped opening (1101), mounting holes (1103) communicated with the inner cavities of the strip-shaped grooves (1102) are correspondingly formed above and below each strip-shaped groove (1102), the inner diameter of each mounting hole (1103) is not smaller than the outer diameter of each pull rope (4), each pull rope (4) sequentially passes through the corresponding upper mounting hole (1103) through the corresponding guide rod (6) and then is connected with each pull ring (702) through the corresponding strip-shaped groove (1102), and then is connected with the next layer of screen frame (7) through the lower mounting hole (1103);
the screen frames (7) of each layer are respectively and correspondingly provided with a discharging cylinder (13) on the box body (1) at one side far away from the end where the mounting seat (11) is positioned; a receiving box (14) is arranged at the bottom of the box body (1) below the lowest screen frame (7);
A crushing mechanism is further arranged in the box body (1) above the screen frame (7), the crushing mechanism comprises a pair of crushing rollers (15) which are arranged in parallel, one ends of the crushing rollers (15) are meshed through gears (16), the other ends of the crushing rollers are provided with crushing motors (17), and the crushing motors (17) are connected with one of the crushing rollers (15); the crushing roller (15) is positioned below the feed inlet (2);
The number of the through holes (3) is three, and the through holes are arranged at equal intervals along the width of one side of the box body (1); the number of the pull ropes (4) is three; the screen frames (7) are three, namely a first screen frame, a second screen frame and a third screen frame from top to bottom in sequence, wherein screens (705) arranged in the screen frames are a first screen frame, a second screen frame and a third screen frame respectively, and the mesh diameters of the second screen frame and the third screen frame of the first screen frame are sequentially reduced; the number of pull rings (702) of each screen frame (7) is three; three mounting seats (11) are arranged, three strip-shaped grooves (1102) are formed in each mounting seat (11), and three mounting holes (1103) are formed; three discharging cylinders (13) are arranged, and sealing plugs (18) are arranged in the discharging cylinders (13).
2. The coal mine screening device for coal mine exploitation according to claim 1, wherein a partition plate (19) is arranged between the crushing roller (15) and the guide rod (6), the upper end of the partition plate (19) is connected with the upper top plate of the box body (1), and the lower end of the partition plate is connected with the upper end face of the mounting seat (11) at the uppermost layer; the end of the crushing roller (15) where the gear is located is mounted on the partition plate (19).
3. A coal mine screening apparatus for coal mine opening according to claim 1, wherein the back of the box (1) is provided with an access door (20); support legs (21) are fixedly arranged at four corners of the bottom of the box body (1) respectively; a feed hopper (22) is arranged on the feed inlet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162021.2A CN116174084B (en) | 2023-02-24 | 2023-02-24 | Colliery screening installation that colliery was opened and is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162021.2A CN116174084B (en) | 2023-02-24 | 2023-02-24 | Colliery screening installation that colliery was opened and is used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116174084A CN116174084A (en) | 2023-05-30 |
| CN116174084B true CN116174084B (en) | 2024-04-16 |
Family
ID=86438045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310162021.2A Active CN116174084B (en) | 2023-02-24 | 2023-02-24 | Colliery screening installation that colliery was opened and is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116174084B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019076900A (en) * | 2019-02-07 | 2019-05-23 | 株式会社エステクノ | Vibration screen machine |
| CN212442030U (en) * | 2020-06-09 | 2021-02-02 | 玉门市昌源矿业有限公司 | Can avoid sieving mechanism for raw ore processing of jam |
| CN214076911U (en) * | 2020-11-11 | 2021-08-31 | 乌苏四棵树煤炭有限责任公司 | Sieving mechanism for coal mining |
| CN214916958U (en) * | 2021-03-05 | 2021-11-30 | 襄城县永通新型建材有限公司 | Cinder rubbing crusher with screening structure |
| CN114653572A (en) * | 2022-05-23 | 2022-06-24 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Geological prospecting geotome sample separation screening plant |
| CN115350749A (en) * | 2022-06-30 | 2022-11-18 | 华能伊敏煤电有限责任公司 | Opencut coal mine winter coal bed heat preservation device |
| CN115501937A (en) * | 2022-10-13 | 2022-12-23 | 崇义县高坌长飞矿业有限公司华山页岩矿 | Colliery reducing mechanism with screening function |
| CN115634828A (en) * | 2022-11-08 | 2023-01-24 | 南通杨帆新型建材有限公司 | Steady rubble processing of water is with screening plant |
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2023
- 2023-02-24 CN CN202310162021.2A patent/CN116174084B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019076900A (en) * | 2019-02-07 | 2019-05-23 | 株式会社エステクノ | Vibration screen machine |
| CN212442030U (en) * | 2020-06-09 | 2021-02-02 | 玉门市昌源矿业有限公司 | Can avoid sieving mechanism for raw ore processing of jam |
| CN214076911U (en) * | 2020-11-11 | 2021-08-31 | 乌苏四棵树煤炭有限责任公司 | Sieving mechanism for coal mining |
| CN214916958U (en) * | 2021-03-05 | 2021-11-30 | 襄城县永通新型建材有限公司 | Cinder rubbing crusher with screening structure |
| CN114653572A (en) * | 2022-05-23 | 2022-06-24 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Geological prospecting geotome sample separation screening plant |
| CN115350749A (en) * | 2022-06-30 | 2022-11-18 | 华能伊敏煤电有限责任公司 | Opencut coal mine winter coal bed heat preservation device |
| CN115501937A (en) * | 2022-10-13 | 2022-12-23 | 崇义县高坌长飞矿业有限公司华山页岩矿 | Colliery reducing mechanism with screening function |
| CN115634828A (en) * | 2022-11-08 | 2023-01-24 | 南通杨帆新型建材有限公司 | Steady rubble processing of water is with screening plant |
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| Title |
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| 筛网倾斜式筛分装置物料运动轨迹研究;杨晋;闫宏伟;崔子梓;焦彪彪;;轻工机械;20170420(第02期);全文 * |
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| CN116174084A (en) | 2023-05-30 |
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