CN115155755A - Dry coal preparation equipment for coal mine - Google Patents
Dry coal preparation equipment for coal mine Download PDFInfo
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- CN115155755A CN115155755A CN202210901375.XA CN202210901375A CN115155755A CN 115155755 A CN115155755 A CN 115155755A CN 202210901375 A CN202210901375 A CN 202210901375A CN 115155755 A CN115155755 A CN 115155755A
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- Prior art keywords
- screening
- fixedly connected
- coal
- plate
- preparation equipment
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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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
- 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
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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
- 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
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- 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
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- 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
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- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses dry coal separation equipment for a coal mine, which belongs to the technical field of coal separation and comprises a screening box, a first discharge port, a top plate, a first screening plate and a positioning rod, wherein the first discharge port is formed in the right end of the screening box, and the top plate is detachably connected to the screening box; the first screening plate is arranged in the screening box, the lower end of the first screening plate is fixedly connected with two supporting plates, and the two supporting plates are both fixedly connected in the screening box; the positioning rods are arranged in a plurality of numbers, and the positioning rods are fixedly connected to the first screening plate. The second screening plate is vibrated under the elastic action of the first spring and the gravity action of the coal blocks, the coal blocks are screened through the vibration of the first screening plate and the second screening plate, and screened dust is discharged outwards through the second discharge port, so that the coal blocks are conveniently screened.
Description
Technical Field
The invention belongs to the technical field of coal separation, and particularly relates to dry coal separation equipment for a coal mine.
Background
Coal is a solid combustible mineral formed by ancient plants buried underground and undergoing complex biochemical and physicochemical changes, is known as black gold and industrial food by people, is one of main energy sources used in the human world in the eighteenth century, is stable in development of China industry and even the whole society, and is the most important part in energy safety in China. When the coal is unearthed, the coal is mostly blocks with different shapes and sizes, and screening and sorting treatment is needed.
The existing coal separation methods comprise dry coal separation and wet coal separation, wherein the dry coal separation is carried out in the coal separation process by using air or dry gas, and the wet coal separation is carried out in the coal separation process by using the suspension effect of water, heavy liquid or liquid to separate the coal. In the dry method coal preparation or the wet method coal preparation, coal with different densities and gangue are separated by gravity or exciting force, and the density of the coal is usually 1.2-1.8g/cm 3 While the density of the rock is 1.8g/cm 3 As described above.
Compared with wet coal dressing, dry coal dressing has technical advantages and greater economic value in energy saving, land occupation, and damage or erosion to the existing environment, so the dry coal dressing is more and more widely used. However, in the existing dry coal separation method, the coal separator cannot realize complete screening and separation by screening the screening plate during primary screening, so that the screening method needs to further improve the screening efficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides dry coal dressing equipment for a coal mine.
According to the technical scheme, the invention provides dry coal separation equipment for a coal mine, which comprises a screening box, a first discharge port, a top plate, a first screening plate and a positioning rod, wherein the first discharge port is formed in the right end of the screening box, and the top plate is detachably connected to the screening box; the first screening plate is arranged in the screening box, the lower end of the first screening plate is fixedly connected with two supporting plates, and the two supporting plates are fixedly connected in the screening box; the locating lever sets up to a plurality ofly, and the equal fixed connection of a plurality of locating levers is on first screening board.
Furthermore, the dry coal preparation equipment for the coal mine further comprises a second screening plate, the second screening plate is connected to the surfaces of the positioning rods in a sliding mode, mounting holes are formed in the upper end of the second screening plate, and a plurality of screening holes are formed in the surfaces of the first screening plate and the second screening plate.
Furthermore, the dry coal preparation equipment for the coal mine further comprises a crushing mechanism and an eccentric rotating mechanism, wherein the crushing mechanism is arranged on the top plate and is connected with the top plate; the eccentric rotating mechanism is arranged at the bottom of the screening box and connected with the screening box.
Preferably, the equal fixedly connected with slide bar in lower extreme four corners department of screening case, the equal fixedly connected with slide of lower extreme of four slide bars, the equal fixedly connected with second spring of lower extreme of four slides.
More preferably, the surfaces of the four sliding plates are all connected with limiting sleeves in a sliding mode, the lower ends of the four limiting sleeves are fixedly connected with a bottom plate, and the four second springs are all fixedly connected with the bottom plate.
Preferably, first screening board and the direct fixedly connected with of second screening board have a plurality of first springs and telescopic link, and a plurality of telescopic links are located a plurality of first springs.
Preferably, the right side of screening case is provided with the mounting bracket, the mounting bracket internal rotation is connected with two drive roll wheels, and the surface cover of two drive roll wheels is equipped with the conveyer belt, and two drive roll wheels and conveyer belt transmission cooperation.
More preferably, the front end of mounting bracket is installed the third motor, the output activity of third motor runs through the mounting bracket, and the output and the driving roller fixed connection of third motor.
More preferably, the lower end of the mounting rack is fixedly connected with two supporting legs, and the upper end of the mounting rack is fixedly connected with two baffles; and a second discharge outlet is formed at the lower end of the screening box. The front end fixedly connected with protective housing of smashing the case, the surface of a plurality of drive gear and transmission cingulum is located to the protective housing cover.
Compared with the prior art, the dry coal preparation equipment for the coal mine has the advantages that:
(1) When the coal dry-method coal separation equipment for the coal mine is required to be used, firstly, non-screened coal is poured into a crushing box, the output end of a first motor is started to rotate, the output end of the first motor rotates to drive one of the rotary rollers to rotate, the rotary rollers rotate to drive a first rotary rod and a transmission gear to rotate, the transmission gear rotates to simultaneously rotate three transmission gears and three first rotary rods through the transmission coordination of a transmission toothed belt, larger coal blocks are crushed through the transmission of the three rotary rollers and a plurality of crushing knives, the crushed coal blocks fall into the screening box, the coal blocks firstly fall onto a second screening plate, the coal blocks falling onto the second screening plate fall onto a first screening plate through mounting holes, when the coal blocks fall onto the second screening plate, the second screening plate is pushed downwards through the gravity action of the coal blocks, and a plurality of first springs are compressed, the second screening plate is vibrated by the elastic action of the first spring, thereby being convenient for screening coal briquettes, the output end of a second motor is started to rotate, the output end of the second motor rotates to drive a second rotating rod to rotate, the rotation of the second rotating rod drives two rotating wheels to rotate simultaneously, the rotation of the second rotating rod is positioned at the eccentric position of the rotating wheels, so the rotation of the second rotating rod can drive the two rotating wheels to do eccentric motion, the eccentric motion of the rotating wheels can push the screening box upwards intermittently, the screening box drives the sliding rod and the sliding plate to move when moving upwards, the second spring is stretched by the movement of the sliding plate, when the rotating wheels push the screening box upwards, the screening box can move downwards by the self gravity action and the elastic action of the second spring, the screening box can do up-and-down reciprocating motion by the eccentric action of the rotating wheels and the gravity action of the screening box, and the screening box can be driven by the quick rotation of the rotating wheels, the coal dust screening device comprises a first screening plate, a second screening plate, a collecting box, a first discharging port, a second discharging port, a first spring, a second spring, a rotating wheel, a first discharging port, a second discharging port, a first screening plate, a second screening plate, a collecting box and a rotating wheel.
(2) In the dry coal preparation equipment for the coal mine, after the coal briquette is discharged from the first discharge port, the output end of the third motor is started to rotate positively, the output end of the third motor rotates to drive the transmission roller to rotate, the transmission cooperation of the transmission roller and the transmission belt enables the transmission belt to rotate positively, and the positive rotation of the transmission belt is convenient for transporting the coal briquette.
(3) In the dry process coal preparation equipment for the coal mine, the action of gravity of first spring through the elastic action cooperation coal cinder of self shakes the second screening board, thereby be convenient for filter the coal cinder, the telescopic link is for the convenience spacing to first spring, prevent that first spring from taking place horizontal deformation, the fixed of mount is for the convenience of fixed protective sheath, the protective sheath is for the convenience of protection second bull stick, with second bull stick damage when preventing dust discharge, the fixed of baffle is for preventing not to have the sky to scatter to both sides, the fixed of supporting leg is for the convenience of supporting the mounting bracket, the fixed of protective housing is for the convenience of protecting a plurality of drive gear and transmission cingulum.
Drawings
FIG. 1 is an overall exploded view of a dry coal preparation apparatus for a coal mine according to the present invention;
FIG. 2 is a front perspective view of a dry coal preparation apparatus for a coal mine according to the present invention;
FIG. 3 is a rear perspective view of a dry coal preparation apparatus for a coal mine according to the present invention;
FIG. 4 is a bottom view of a screening box of the dry coal preparation equipment for coal mines according to the present invention;
FIG. 5 is an exploded view of a crushing mechanism of the dry coal preparation equipment for coal mines according to the present invention;
FIG. 6 is a schematic view of a first screening plate and a second screening plate of a dry coal preparation device for coal mines according to the present invention;
FIG. 7 is a cross-sectional view of a stop collar of a dry coal preparation device for coal mines according to the present invention;
FIG. 8 is a schematic view of an eccentric rotating mechanism of the dry coal preparation equipment for coal mines according to the present invention.
Description of the reference numerals in the figures:
1. a screening box; 2. a first discharge port; 3. a second discharge opening; 4. a top plate; 5. a crushing box; 6. rotating the roller; 7. a crushing knife; 8. a first rotating lever; 9. a transmission gear; 10. a drive toothed belt; 11. a first motor; 12. a protective shell; 13. positioning a rod; 14. a first screening plate; 15. a support plate; 16. a second screening plate; 17. mounting holes; 18. screening holes; 19. a first spring; 20. a telescopic rod; 21. a slide bar; 22. a slide plate; 23. a second spring; 24. a limiting sleeve; 25. a base plate; 26. a supporting seat; 27. a second motor; 28. a second rotating rod; 29. a rotating wheel; 30. a fixed mount; 31. a protective sleeve; 32. a mounting frame; 33. a baffle plate; 34. supporting legs; 35. a driving roller wheel; 36. a conveyor belt; 37. a third motor.
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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
According to the dry coal separation equipment for the coal mine, the second screening plate is vibrated by the elastic action of the first spring and the gravity action of the coal blocks, so that the coal blocks are conveniently screened, then the screening box can reciprocate up and down by the eccentric action of the rotating wheel and the gravity action of the screening box, the screening box is vibrated by the rapid rotation of the rotating wheel, the first screening plate and the second screening plate are vibrated by the vibration of the screening box, the coal blocks are screened by the vibration of the first screening plate and the second screening plate, and screened dust is discharged outwards through the second discharge port.
The invention provides dry coal preparation equipment for a coal mine, which comprises a screening box, a first discharge port, a top plate, a first screening plate, a positioning rod, a second screening plate, a crushing mechanism and an eccentric rotating mechanism, wherein the first discharge port is formed in the right end of the screening box, and the top plate is detachably connected to the screening box; the first screening plate is arranged in the screening box, the lower end of the first screening plate is fixedly connected with two supporting plates, and the two supporting plates are fixedly connected in the screening box; the number of the positioning rods is multiple, and the positioning rods are all fixedly connected to the first screening plate; the second screening plate is connected to the surfaces of the positioning rods in a sliding mode, the upper end of the second screening plate is provided with a mounting hole, and the surfaces of the first screening plate and the second screening plate are provided with a plurality of screen holes; the crushing mechanism is arranged on the top plate and connected with the top plate; the eccentric rotating mechanism is arranged at the bottom of the screening box and connected with the screening box.
Preferably, rubbing crusher constructs including smashing case, commentaries on classics roller, crushing sword, first bull stick, drive gear, transmission cingulum and first motor, smash case fixed connection on the roof, it all sets up to three, three to change roller, first bull stick and drive gear change the roller and all rotate to connect in smashing the incasement, smash the sword and set up to a plurality ofly, it is a plurality of smash sword fixed connection respectively in the three surface of changeing the roller, it is three first bull stick fixed connection is in the three front end of changeing the roller, and the equal activity of three first bull stick runs through crushing case, it is three drive gear fixed connection is in the surface of three first bull stick, three drive gear's surface is located to the transmission cingulum cover, and three drive gear and transmission cingulum transmission cooperation, first motor is installed in the rear end of smashing the case, and the output activity of first motor runs through crushing case, the output of first motor and the commentaries on classics roller fixed connection of upside.
Preferably, the lower end four corners of the screening box is fixedly connected with four slide bars, four slide bars are fixedly connected with four slide plates, four slide plates are fixedly connected with two springs, four limit sleeves are slidably connected with the surfaces of the four slide plates, four lower end of each limit sleeve is fixedly connected with a bottom plate, and the four second springs are fixedly connected with the bottom plate.
More preferably, eccentric slewing mechanism includes supporting seat, second motor, second bull stick and runner, the supporting seat sets up to two, two the equal fixed connection of supporting seat is on the bottom plate, the second motor is installed in the left end of supporting seat, and the output activity of second motor runs through the supporting seat, the second bull stick rotates to be connected between two supporting seats, and the output fixed connection of second bull stick and second motor, the runner sets up to two, two the equal fixed connection of runner is in the surface of second bull stick, and two runners and screening case sliding fit, the second bull stick is located the eccentric department of two runners.
Furthermore, the first screening plate and the second screening plate are directly and fixedly connected with a plurality of first springs and telescopic rods, and the plurality of telescopic rods are positioned in the plurality of first springs; two the equal fixedly connected with mount of one end that the support seat is close to mutually, two equal fixedly connected with protective sheath on the mount, the surface of second bull stick is located to the protective sheath cover. The right side of screening case is provided with the mounting bracket, the mounting bracket internal rotation is connected with two drive rolls, two drive rolls's surperficial cover is equipped with the conveyer belt, and two drive rolls cooperate with the conveyer belt transmission, the third motor is installed to the front end of mounting bracket, the output activity of third motor runs through the mounting bracket, and the output and the drive rolls fixed connection of third motor.
Wherein, the lower extreme fixedly connected with two supporting legs of mounting bracket, the upper end fixedly connected with two baffles of mounting bracket. And a second discharge outlet is formed at the lower end of the screening box. The front end of the crushing box is fixedly connected with a protective shell, and the protective shell is sleeved on the surfaces of the transmission gears and the transmission toothed belts
Referring to fig. 1-8, the dry coal preparation equipment for coal mines according to the present invention is specifically described with reference to the accompanying drawings and specific embodiments, and includes a screening box 1, a first discharge port 2, a top plate 4, a first screening plate 14, a positioning rod 13, and a second screening plate 16, wherein the first discharge port 2 is opened at the right end of the screening box 1, and the top plate 4 is detachably connected to the screening box 1; the first screening plate 14 is arranged in the screening box 1, the lower end of the first screening plate 14 is fixedly connected with two supporting plates 15, and the two supporting plates 15 are both fixedly connected in the screening box 1; a plurality of positioning rods 13 are arranged, and the plurality of positioning rods 13 are fixedly connected to the first screening plate 14; the second screening plate 16 is slidably connected to the surfaces of the positioning rods 13, and a mounting hole 17 is formed in the upper end of the second screening plate 16. Further, a plurality of screen holes 18 are provided on the surfaces of the first and second screen plates 14 and 16.
In this embodiment, the offering of first discharge gate 2 is for the convenience of coal cinder discharge, roof 4 is for the convenience of installation crushing case 5, first screening plate 14 is for the convenience of fixed stay board 15 and locating lever 13, second screening plate 16 and first screening plate 14 are for the convenience of screening the coal cinder, the offering of mounting hole 17 is for the convenience of the coal cinder on the second screening plate 16 falls into first screening plate 14 in, the offering of sieve mesh 18 is for the convenience of screening the coal cinder, rubbing crusher constructs the bold coal cinder breakage of being convenient for.
The crushing mechanism comprises a crushing box 5, a rotating roller 6, crushing knives 7, first rotating rods 8, transmission gears 9, transmission toothed belts 10 and a first motor 11, the crushing box 5 is fixedly connected to a top plate 4, the rotating roller 6, the first rotating rods 8 and the transmission gears 9 are three, the three rotating rollers 6 are rotatably connected to the crushing box 5, the crushing knives 7 are multiple, the crushing knives 7 are fixedly connected to the surfaces of the three rotating rollers 6 respectively, the three first rotating rods 8 are fixedly connected to the front ends of the three rotating rollers 6, the three first rotating rods 8 movably penetrate through the crushing box 5, the three transmission gears 9 are fixedly connected to the surfaces of the three first rotating rods 8, the transmission toothed belts 10 are sleeved on the surfaces of the three transmission gears 9, the three transmission gears 9 are in transmission fit with the transmission toothed belts 10, the first motor 11 is installed at the rear end of the crushing box 5, the output end of the first motor 11 movably penetrates through the crushing box 5, and the output end of the first motor 11 is fixedly connected with the rotating rollers 6 on the upper side.
In this embodiment, crushing case 5 is for the convenience of rotating to connect and changes roller 6, and the output of first motor 11 rotates and drives one of them and change roller 6 and rotate, changes the rotation of roller 6 and drives first bull stick 8 and drive gear 9 and rotate, and the rotation of drive gear 9 makes three drive gear 9 and three first bull stick 8 rotate simultaneously through the transmission cooperation of transmission cingulum 10, smashes great coal cinder through the transmission that is three roller 6 and a plurality of crushing sword 7.
Specifically, the equal fixedly connected with slide bar 21 in lower extreme four corners department of screening case 1, the equal fixedly connected with slide 22 of the lower extreme of four slide bars 21, the equal fixedly connected with second spring 23 of the lower extreme of four slide 22, the equal sliding connection in surface of four slide 22 has stop collar 24, the lower extreme fixedly connected with bottom plate 25 of four stop collars 24, four second springs 23 all with bottom plate 25 fixed connection.
In this embodiment, stop collar 24 is for the convenience spacing to slide 22, screening case 1 drives slide bar 21 and slide 22 and removes when screening case 1 moves up, the removal through slide 22 is tensile with second spring 23, when runner 29 upwards promoted screening case 1, screening case 1 can move down through the action of gravity of self and the elastic action of second spring 23, the action of gravity through runner 29's eccentric effect cooperation screening case 1 makes screening case 1 can do reciprocating motion from top to bottom.
Specifically, eccentric slewing mechanism includes supporting seat 26, second motor 27, second bull stick 28 and runner 29, supporting seat 26 sets up to two, two equal fixed connection of supporting seat 26 are on bottom plate 25, second motor 27 is installed in the left end of supporting seat 26, and the output activity of second motor 27 runs through supporting seat 26, second bull stick 28 rotates to be connected between two supporting seats 26, and second bull stick 28 and the output fixed connection of second motor 27, runner 29 sets up to two, two equal fixed connection of runner 29 are in the surface of second bull stick 28, and two runner 29 and screening case 1 sliding fit, second bull stick 28 is located the eccentric department of two runner 29.
In this embodiment, the supporting seat 26 is connected to the second rotating rod 28 for rotation, the output end of the second motor 27 rotates to drive the second rotating rod 28 to rotate, the rotation of the second rotating rod 28 drives the two rotating wheels 29 to rotate at the same time, and since the second rotating rod 28 is located at the eccentric position of the rotating wheels 29, the rotation of the second rotating rod 28 drives the two rotating wheels 29 to make eccentric motion, and the eccentric motion of the rotating wheels 29 intermittently pushes the screening box 1 upwards.
Specifically, the first screening plate 14 and the second screening plate 16 are directly and fixedly connected with a plurality of first springs 19 and telescopic rods 20, and the plurality of telescopic rods 20 are located in the plurality of first springs 19.
In this embodiment, first spring 19 shakes second screening board 16 through the action of gravity of the elastic action cooperation coal cinder of self to be convenient for filter the coal cinder, telescopic link 20 is for the convenience spacing to first spring 19, prevents that first spring 19 from taking place horizontal deformation.
Specifically, the two supporting seats 26 are respectively and fixedly connected to a fixing frame 30 at one end close to each other, the two fixing frames 30 are respectively and fixedly connected to a protecting sleeve 31, and the protecting sleeve 31 is sleeved on the surface of the second rotating rod 28.
In this embodiment, the fixing frame 30 is fixed to facilitate fixing the protecting sleeve 31, and the protecting sleeve 31 is used to facilitate protecting the second rotating rod 28 and prevent the second rotating rod 28 from being damaged when dust is discharged.
Specifically, the right side of screening case 1 is provided with mounting bracket 32, and the mounting bracket 32 internal rotation is connected with two drive rollers 35, and the surface cover of two drive rollers 35 is equipped with conveyer belt 36, and two drive rollers 35 and the transmission cooperation of conveyer belt 36, and third motor 37 is installed to the front end of mounting bracket 32, and mounting bracket 32 is run through in the output activity of third motor 37, and the output of third motor 37 and drive rollers 35 fixed connection.
In this embodiment, the mounting bracket 32 is for the convenience of rotating and connecting drive roller 35, starts the output corotation of third motor 37, and the output of third motor 37 rotates and drives drive roller 35 and rotate, makes conveyer belt 36 corotation through the transmission cooperation of drive roller 35 and conveyer belt 36, and the corotation of conveyer belt 36 is convenient for transport the coal cinder.
Specifically, two support legs 34 are fixedly connected to the lower end of the mounting frame 32, and two baffles 33 are fixedly connected to the upper end of the mounting frame 32.
In this embodiment, the baffle 33 is fixed to prevent scattering to both sides, and the support legs 34 are fixed to support the mounting frame 32.
Specifically, the lower end of the screening box 1 is provided with a second discharge outlet 3.
In this embodiment, the lower end of the screening box 1 is provided with a second discharge opening 3, and the second discharge opening 3 is provided for discharging dust conveniently.
Specifically, a protective shell 12 is fixedly connected to the front end of the crushing box 5, and the protective shell 12 is sleeved on the surfaces of the plurality of transmission gears 9 and the transmission toothed belts 10.
In this embodiment, the protective case 12 is fixed to protect the plurality of transmission gears 9 and the transmission toothed belt 10.
The working principle is as follows: when the device is used, firstly, un-screened coal is poured into the crushing box 5, the output end of the first motor 11 is started to rotate, the output end of the first motor 11 rotates to drive one of the rotary rollers 6 to rotate, the rotary rollers 6 rotate to drive the first rotary rod 8 and the transmission gear 9 to rotate, the transmission gear 9 rotates to enable the three transmission gears 9 and the three first rotary rods 8 to rotate simultaneously through the transmission coordination of the transmission toothed belt 10, the larger coal blocks are crushed through the transmission of the three rotary rollers 6 and the plurality of crushing knives 7, the crushed coal blocks fall into the crushing box 1, the coal blocks firstly fall onto the second crushing plate 16, the coal blocks falling onto the second crushing plate 16 fall onto the first crushing plate 14 through the mounting holes 17, when the coal blocks fall onto the second crushing plate 16, the second crushing plate 16 is pushed downwards through the gravity action of the coal blocks, and then the plurality of first springs 19 are compressed, the second screening plate 16 is vibrated by the elastic action of the first spring 19, thereby facilitating the screening of the coal briquette, and simultaneously starting the output end of the second motor 27 to rotate, the output end of the second motor 27 rotates to drive the second rotating rod 28 to rotate, the rotation of the second rotating rod 28 simultaneously drives the two rotating wheels 29 to rotate, because the second rotating rod 28 is positioned at the eccentric position of the rotating wheels 29, the rotation of the second rotating rod 28 drives the two rotating wheels 29 to do eccentric motion, the eccentric motion of the rotating wheels 29 intermittently pushes the screening box 1 upwards, the screening box 1 drives the sliding rod 21 and the sliding plate 22 to move when the screening box 1 moves upwards, the second spring 23 is stretched by the movement of the sliding plate 22, when the rotating wheels 29 push the screening box 1 upwards, the screening box 1 moves downwards by the self gravity action and the elastic action of the second spring 23, the screening box 1 can do the up-and-down reciprocating motion by the eccentric action of the rotating wheels 29 in cooperation with the gravity action of the screening box 1, the screening box 1 is vibrated by the rapid rotation of the rotating wheel 29, the first screening plate 14 and the second screening plate 16 are vibrated by the vibration of the screening box 1, coal briquettes are screened by the vibration of the first screening plate 14 and the second screening plate 16, the screened dust is discharged outwards through the second discharge port 3, the dust can be collected through the collecting box, the convenience of dust cleaning is optimized, the coal briquettes can be discharged through the first discharge port 2 after falling on the first screening plate 14, the screening box 1 can do up-and-down reciprocating motion by the elastic action of the first spring 19 in cooperation with the gravity action of the coal briquettes, the first screening plate 14 and the second screening plate 16 are vibrated by the elastic action of the rotating wheel 29 in cooperation with the gravity action of the screening box 1, the screening box 1 can do up-and-down reciprocating motion by the vibration rotation of the rotating wheel 29, the first screening plate 14 and the second screening plate 16 are driven by the vibration transmission of the rotating wheel 29, the dust briquettes are discharged from the third discharge port 36 through the forward rotation motor 35 and the forward rotation transmission motor 36, and the forward rotation of the third screening plate 35.
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 equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The dry coal preparation equipment for the coal mine is characterized by comprising a screening box, a first discharge port, a top plate, a first screening plate and a positioning rod, wherein the first discharge port is formed in the right end of the screening box, and the top plate is detachably connected to the screening box; the first screening plate is arranged in the screening box, the lower end of the first screening plate is fixedly connected with two supporting plates, and the two supporting plates are both fixedly connected in the screening box; the positioning rods are arranged in a plurality of numbers, and the positioning rods are fixedly connected to the first screening plate.
2. The dry coal preparation equipment for the coal mine according to claim 1, wherein: it further includes the second screening board, second screening board sliding connection is in the surface of a plurality of locating levers, the mounting hole has been seted up to the upper end of second screening board, has seted up a plurality of sieve meshes on the surface of first screening board and second screening board.
3. The dry coal preparation equipment for the coal mine according to claim 1, wherein: the crushing mechanism is arranged on the top plate and is connected with the top plate; the eccentric rotating mechanism is arranged at the bottom of the screening box and is connected with the screening box.
4. The dry coal preparation equipment for coal mines according to claim 3, wherein: the equal fixedly connected with slide bar in lower extreme four corners department of screening case, the equal fixedly connected with slide of lower extreme of four slide bars, the equal fixedly connected with second spring of lower extreme of four slides.
5. The dry coal preparation equipment for the coal mine according to claim 4, wherein: the surfaces of the four sliding plates are all connected with limiting sleeves in a sliding mode, the lower ends of the four limiting sleeves are fixedly connected with a bottom plate, and the four second springs are all fixedly connected with the bottom plate.
6. The dry coal preparation equipment for the coal mine according to claim 2, wherein: first screening board and the direct fixedly connected with of second screening board have a plurality of first springs and telescopic link, and a plurality of telescopic links are located a plurality of first springs.
7. The dry coal preparation equipment for the coal mine according to claim 1, wherein: the right side of screening case is provided with the mounting bracket, the mounting bracket internal rotation is connected with two drive roll wheels, and the surface cover of two drive roll wheels is equipped with the conveyer belt, and two drive roll wheels and conveyer belt transmission cooperation.
8. The dry coal preparation equipment for coal mines according to claim 7, wherein: the third motor is installed to the front end of mounting bracket, the output activity of third motor runs through the mounting bracket, and the output and the driving roller fixed connection of third motor.
9. The dry coal preparation equipment for coal mines according to claim 7, wherein: the lower end of the mounting rack is fixedly connected with two supporting legs, and the upper end of the mounting rack is fixedly connected with two baffles; and a second discharge outlet is formed at the lower end of the screening box.
10. The dry coal preparation equipment for coal mines according to claim 9, wherein: the front end fixedly connected with protective housing of smashing the case, the surface of a plurality of drive gear and transmission cingulum is located to the protective housing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901375.XA CN115155755A (en) | 2022-07-28 | 2022-07-28 | Dry coal preparation equipment for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901375.XA CN115155755A (en) | 2022-07-28 | 2022-07-28 | Dry coal preparation equipment for coal mine |
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| Publication Number | Publication Date |
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| CN115155755A true CN115155755A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210901375.XA Pending CN115155755A (en) | 2022-07-28 | 2022-07-28 | Dry coal preparation equipment for coal mine |
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| CN (1) | CN115155755A (en) |
Cited By (1)
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| CN115739275A (en) * | 2022-11-01 | 2023-03-07 | 河北苹乐面粉机械集团有限公司 | Automatic flour mill |
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