CN113649255A - Screening device with dust splashing prevention function for coal mining - Google Patents

Screening device with dust splashing prevention function for coal mining Download PDF

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Publication number
CN113649255A
CN113649255A CN202110976708.0A CN202110976708A CN113649255A CN 113649255 A CN113649255 A CN 113649255A CN 202110976708 A CN202110976708 A CN 202110976708A CN 113649255 A CN113649255 A CN 113649255A
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CN
China
Prior art keywords
wall
plate
baffle
slide
arc
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Pending
Application number
CN202110976708.0A
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Chinese (zh)
Inventor
王中友
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Individual
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Individual
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Priority to CN202110976708.0A priority Critical patent/CN113649255A/en
Publication of CN113649255A publication Critical patent/CN113649255A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04Stationary flat screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/526Cleaning with brushes or scrapers with scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B2230/00Specific aspects relating to the whole B07B subclass
    • B07B2230/01Wet separation

Abstract

The invention discloses a screening device with a dust splashing prevention function for coal mining, and relates to the technical field of coal mines. Including the work box, slidable mounting has the drainage board on the work box inner wall, pass through shell fragment elastic connection between drainage board bottom outer wall and the work box inner wall, it has the screening board to inlay on the work box inner wall, it installs the rotation post to rotate between drainage board bottom and the screening board top, it has the check baffle to inlay on the rotation post outer wall, fixed mounting has outlet pipe and intercommunication between drainage board and the storage water tank. This screening plant for coal mining with prevent dust function of splashing can effectively slow down the vibration of straining plate through being provided with buffer gear in the work box inside and prevent that the impact from too big causing damage the filtration separation that the vibration of straining plate can urge water simultaneously, can promote the separation and scrape the clearance through the sieve mesh on the check baffle simultaneously, improves work efficiency.

Description

Screening device with dust splashing prevention function for coal mining
Technical Field
The invention relates to the technical field of coal mines, in particular to a screening device for coal mining, which has a function of preventing dust from splashing.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities.
Among the prior art, at coal mining's in-process, owing to need screen the operation to the colliery, need handle the dust that the colliery whereabouts produced simultaneously, generally handle through the method that the water spray dust fall prevented to splash, but because the influence of gravity striking when the colliery whereabouts, can produce the striking to the drainage board in the water spray dust fall, lead to the damage of drainage board to influence holistic water spray dust fall's work efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a screening device with a dust splashing prevention function for coal mining, which solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a screening plant for coal mining with prevent dust function of splashing, includes the work box, slidable mounting has the drainage board on the work box inner wall, through shell fragment elastic connection between drainage board bottom outer wall and the work box inner wall, it has the screening board to inlay on the work box inner wall, rotate between drainage board bottom and the screening board top and install the rotation post, it has the check baffle to inlay on the rotation post outer wall, fixed mounting has outlet pipe and intercommunication between drainage board and the storage water tank, be provided with buffer gear on the check baffle, buffer gear includes elasticity triangle connecting plate, fixed plate, slide and a ventilation hole, elasticity triangle connecting plate rotates elastic mounting between drainage board bottom outer wall and check baffle top outer wall, the fixed plate inlays admittedly on check baffle inner wall.
Preferably, be provided with the splashproof mechanism on the work box, the splashproof mechanism includes feed inlet, splashproof baffle, spray pipe and storage water tank, the feed inlet inlays admittedly in the work box top, the splashproof baffle rotates and installs on the feed inlet inner wall.
Preferably, the bottom of the splash guard is elastically connected with the inner wall of the feed inlet through an elastic sheet, the water spraying pipe is fixedly embedded between the feed inlet and the water storage tank and communicated with the feed inlet and the water storage tank, and the water storage tank is fixedly embedded on the outer wall of the work box.
Preferably, slide bottom slidable mounting is on the fixed plate outer wall No. one, the quantity of slide has two and distributes about the fixed plate bilateral symmetry, two pass through shell fragment elastic connection between the slide, a ventilation hole fixed mounting is on check baffle and intercommunication, slide slip cup joint on a ventilation hole outer wall No. one.
Preferably, check baffle top is provided with clearance mechanism, clearance mechanism includes gasbag, communicating pipe and No. two air vents, the gasbag inlays admittedly between slide top outer wall and check baffle inner wall, fixed running through of communicating pipe just communicates check baffle and gasbag, No. two air vents inlay admittedly in communicating pipe bottom and give vent to anger the end towards check baffle outer wall direction.
Preferably, check baffle outside is provided with pushing mechanism, pushing mechanism includes an arc, No. two arcs, No. two slides, axis of rotation and rotor plate, an arc bottom is inlayed admittedly on check baffle outer wall, No. two arc tops are inlayed admittedly in No. two slide bottoms and movable mounting in the drainage bottom, the axis of rotation is rotated and is installed on the drainage, the rotor plate runs through and slidable mounting in the axis of rotation, the rotor plate bottom is rotated and is installed on No. two slides, No. two slide slidable mounting are on the drainage inner wall.
Preferably, an inside striking mechanism that is provided with of arc, striking mechanism includes arc slide, lug, No. two lugs, No. three slides and striker, arc slide slidable mounting is on an arc inner wall, arc slide bottom is rotated and is installed on No. three slide outer walls, a lug inlays admittedly on arc slide outer wall, No. two lugs inlay admittedly on an arc inner wall, a lug and No. two lug swing joint, the striker inlays admittedly on No. three slide outer walls, the striker runs through and slidable mounting on check baffle, No. three slide slidable mounting is on check baffle inner wall, pass through shell fragment elastic connection between No. three and the slide check baffle inner wall.
Preferably, the screening plate is fixedly provided with screening holes, the screening plate is provided with an ejection mechanism, the ejection mechanism comprises an ejection rod, an arc-shaped elastic plate, a scraper and a sliding plate, the ejection rod runs through and is slidably mounted at the top of the screening plate, the bottom of the arc-shaped elastic plate is fixedly embedded on the outer wall of the top of the ejection rod, the bottom of the arc-shaped elastic plate is rotatably mounted at the top of the scraper, the bottom of the scraper is slidably mounted on the outer wall of the screening holes, the outer wall of the bottom of the ejection rod is elastically connected with the sliding plate through an elastic sheet, and the sliding plate is slidably mounted on the inner wall of the working box.
(III) advantageous effects
The invention provides a screening device for coal mining, which has a function of preventing dust from splashing. The method has the following beneficial effects:
(1) this screening plant for coal mining with prevent dust function that splashes, through be provided with splashproof mechanism on the work box, splashproof baffle can effectually prevent that the dust from passing through the feed inlet and flowing into the outside air, the effectual splashing that prevents the dust, can carry out the effect of water spray dust fall to the intraoral dust of feed inlet through storage water tank and spray pipe, prevent that the dust from filling in the screening that influences the colliery and the operation of mechanism inside feed inlet and the work box, the holistic life of work box has been improved, can filter the separation with the moisture that causes because the spray pipe on the colliery through the drainage board afterwards, will filter the moisture through the outlet pipe and collect the storage water tank again, the cyclic utilization of water resource has been reached.
(2) This coal mining with prevent dust function of splashing adopts screening plant, when the colliery through the feed inlet when falling into on the drainage board downwards, can cause the effect of striking vibration to the drainage board, the effect of an initial buffering can be played through buffer gear's elasticity triangle connecting plate afterwards, the vibration of drainage board also can promote the check baffle through elasticity triangle connecting plate and rotate, when the check baffle carries out the pivoted, can drive the flow of air in the air vent, the air flows in the air vent alright produce damping effect and promote a slide simultaneously and remove, the effect of secondary buffering can be played through shell fragment and damping effect between a slide, the effectual vibration that has slowed down the drainage board prevents that the impact force from too big causing the damage filtration separation of the quick water of vibration of drainage board simultaneously.
(3) This screening plant is adopted in coal mining with prevent dust function of splashing, when slide in the check baffle because the rotation of check baffle promotes the production displacement by the air, slide just can produce an extrusion force to the gasbag, the gasbag compression just can produce gas flow and blow off the air current through communicating pipe and No. two air vents, the air current that blows off alright carry out cleaning operation to a air vent outer wall along check baffle outer wall, prevent impurity such as colliery attached to a air vent surface influence ventilation effect, prevent that a ventilation hole from blockking up.
(4) This coal mining with prevent dust function of splashing adopts screening plant, when check baffle begins to rotate, check baffle alright drive an arc striking No. two arcs for displacement about No. two arcs alright drive No. two slides, displacement alright drive the rotor plate about No. two slides and use the axis of rotation to rotate as the centre of a circle, make the rotor plate alright promote rivers and get into the outlet pipe, filter the removal of rivers with higher speed, promote the play water efficiency of outlet pipe, improve the circulating speed of water resource.
(5) This coal mining with prevent dust function of splashing adopts screening plant, when check baffle produces the rotation, check baffle bottom alright play arc and knockout rod extrusion downwards, the arc is played the board alright to drive the scraper blade and is struck off the sieve mesh outer wall, prevent the jam that the bold granule caused, simultaneously when check baffle and arc are popped the board separation, the knockout rod can be upwards ejecting because the elasticity of shell fragment, the colliery that will sieve the board outer wall is ejecting removal upwards, prevent the colliery because attached influence gliding speed of impurity etc. to the gliding speed has been promoted, thereby the gliding speed and the screening efficiency in colliery.
Drawings
FIG. 1 is a schematic view of the overall external three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of the overall internal three-dimensional structure of the present invention;
FIG. 3 is a three-dimensional cross-sectional view of the interior of the drainage panel of the present invention;
FIG. 4 is a three-dimensional partial sectional view of the interior of a baffle of the present invention;
FIG. 5 is a schematic three-dimensional structure of the bladder of the present invention;
FIG. 6 is a partial three-dimensional cross-sectional view of the interior of a screening deck of the present invention.
In the figure: 1. a work box; 21. a feed inlet; 22. a splash guard; 23. a water spray pipe; 24. a water storage tank; 3. a water filter plate; 4. a screening plate; 5. a grid baffle; 6. rotating the column; 71. an elastic triangular connecting plate; 72. a fixing plate; 73. a first slide plate; 74. a first vent hole; 81. an air bag; 82. a communicating pipe; 83. a second vent hole; 91. a first arc plate; 92. a second arc plate; 93. a second sliding plate; 94. a rotating shaft; 95. a rotating plate; 10. a water outlet pipe; 111. an arc-shaped sliding plate; 112. a first bump; 113. a second bump; 114. a third sliding plate; 115. a striker bar; 12. screening holes; 131. ejecting the rod; 132. an arc-shaped elastic plate; 133. a squeegee; 134. and a fourth sliding plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a coal mining screening device with a dust splashing prevention function comprises a working box 1, wherein a splash-proof mechanism is arranged on the working box 1, the splash-proof mechanism comprises a feed inlet 21, a splash-proof baffle plate 22, a spray pipe 23 and a water storage tank 24, the feed inlet 21 is fixedly embedded at the top of the working box 1, the splash-proof baffle plate 22 is rotatably installed on the inner wall of the feed inlet 21, the bottom of the splash-proof baffle plate 22 is elastically connected with the inner wall of the feed inlet 21 through a spring sheet, the spray pipe 23 is fixedly embedded between the feed inlet 21 and the water storage tank 24 and communicated with the feed inlet, the water storage tank 24 is fixedly embedded on the outer wall of the working box 1, a water filtering plate 3 is slidably installed on the inner wall of the working box 1, the outer wall of the bottom of the water filtering plate 3 is elastically connected with the inner wall of the working box 1 through a spring sheet, a screening plate 4 is fixedly embedded on the inner wall of the working box 1, a rotating column 6 is rotatably installed between the bottom of the water filtering plate 3 and the top of the screening plate 4, a lattice baffle plate 5 is fixedly embedded on the outer wall of the rotating column 6, fixed mounting has outlet pipe 10 and intercommunication between water strainer plate 3 and the storage water tank 24, through be provided with splash guard 22 on work box 1, splash guard 22 can effectually prevent that the dust from passing through feed inlet 21 and flowing into the outside air, the effectual splashing that prevents the dust, can carry out the effect of water spray dust fall to the dust in the feed inlet 21 through storage water tank 24 and spray pipe 23, prevent that the dust from filling in the screening and the operation of mechanism in feed inlet 21 and the 1 inside influence colliery of work box, the holistic life of work box 1 has been improved.
As shown in fig. 2, 3 and 4, in the present invention, a buffer mechanism is disposed on the lattice baffle 5, the buffer mechanism includes an elastic triangular connecting plate 71, a fixing plate 72, a first sliding plate 73 and a first vent hole 74, the elastic triangular connecting plate 71 is rotatably and elastically mounted between the outer wall of the bottom of the water filtering plate 3 and the outer wall of the top of the lattice baffle 5, the elastic triangular connecting plate 71 is formed by two rotatable plates forming an included angle and elastically connecting the two plates with a spring plate fixedly mounted therebetween, the fixing plate 72 is embedded and fixed on the inner wall of the lattice baffle 5, the bottom of the first sliding plate 73 is slidably mounted on the outer wall of the fixing plate 72, the first sliding plates 73 are two and symmetrically distributed with respect to the fixing plate 72, the two first sliding plates 73 are elastically connected with each other by the spring plate, the first vent hole 74 is fixedly mounted on the lattice baffle 5 and communicated with each other, the first sliding plates 73 are slidably sleeved on the outer wall of the first vent hole 74, when the coal mine falls down onto the water filtering plate 3 through the feeding hole 21, the impact vibration effect is caused to the water filtering plate 3, then the elastic triangular connecting plate 71 of the buffer mechanism can play an initial buffer role, the air flows in the first vent hole 74 to generate a damping effect and push the first sliding plate 73 to move, because the number of the first sliding plates 73 is two and the first sliding plates 73 are symmetrically distributed, when the gas flow generated in the left first vent 74 moves to the right, the flowing gas can push the right first sliding plates 73 to move to the right, when the air in the first air vent 74 on the right moves to the left, the moving air can push the first sliding plate 73 on the left to move to the left, the elastic sheet and the damping effect between the sliding plates 73 can play a role in secondary buffering, so that the vibration of the water filtering plate 3 is effectively slowed down, the damage caused by overlarge impact force is prevented, and meanwhile, the water filtering separation is promoted by the vibration of the water filtering plate 3.
As shown in fig. 2, fig. 4 and fig. 5, in the present invention, a cleaning mechanism is disposed at the top of the lattice baffle 5, the cleaning mechanism includes an airbag 81, a communication pipe 82 and a second vent hole 83, the airbag 81 is embedded between the outer wall of the top of the first sliding plate 73 and the inner wall of the lattice baffle 5, the communication pipe 82 is fixedly penetrated through and communicates the lattice baffle 5 and the airbag 81, the second vent hole 83 is embedded at the bottom of the communication pipe 82, and the air outlet end faces the outer wall of the lattice baffle 5, when the first sliding plate 73 in the lattice baffle 5 is pushed by air to displace due to the rotation of the lattice baffle 5, the airbag 81 compresses to generate air flow, and blows out air flow through the communication pipe 82 and the second vent hole 83, so that impurities in a coal mine and the like are prevented from attaching to the surface of the first vent hole 74 to affect the ventilation effect, and the first vent hole 74 is prevented from being blocked.
As shown in fig. 2, 3 and 4, in the present invention, a pushing mechanism is disposed outside the lattice baffle 5, the pushing mechanism includes a first arc plate 91, a second arc plate 92, a second sliding plate 93, a rotating shaft 94 and a rotating plate 95, the bottom of the first arc plate 91 is embedded in the outer wall of the lattice baffle 5, the top of the second arc plate 92 is embedded in the bottom of the second sliding plate 93 and movably mounted on the bottom of the water filtering plate 3, the rotating shaft 94 is rotatably mounted on the water filtering plate 3, the rotating plate 95 is penetrated and slidably mounted on the rotating shaft 94, the bottom of the rotating plate 95 is rotatably mounted on the second sliding plate 93, the second sliding plate 93 is slidably mounted on the inner wall of the water filtering plate 3, an impact mechanism is disposed inside the first arc plate 91, the impact mechanism includes an arc sliding plate 111, a first projection 112, a second projection 113, a third sliding plate 114 and an impact rod 115, the arc sliding plate 111 is slidably mounted on the inner wall of the first arc plate 91, the bottom of the arc-shaped sliding plate 111 is rotatably arranged on the outer wall of a third sliding plate 114, a first convex block 112 is fixedly embedded on the outer wall of the arc-shaped sliding plate 111, a second convex block 113 is fixedly embedded on the inner wall of a first arc-shaped plate 91, the first convex block 112 is movably connected with a second convex block 113, a striking rod 115 is fixedly embedded on the outer wall of the third sliding plate 114, the striking rod 115 penetrates through and is slidably arranged on a grid baffle plate 5, the third sliding plate 114 is slidably arranged on the inner wall of the grid baffle plate 5, the third sliding plate 114 is elastically connected with the inner wall of the grid baffle plate 5 through a spring sheet, when the grid baffle plate 5 starts to rotate, the grid baffle plate 5 can drive the first arc-shaped plate 91 to strike a second arc-shaped plate 92, so that the second arc-shaped plate 92 can drive the second sliding plate 93 to move left and right, the second sliding plate 93 can drive the rotating plate 95 to rotate by taking the rotating shaft 94 as the circle center, so that the rotating plate 95 can drive water flow to enter a water outlet pipe 10 to accelerate the movement of the water flow, promoting the water outlet efficiency of the water outlet pipe 10 and improving the circulation speed of water resources.
As shown in fig. 2 and fig. 6, in the present invention, a sieve pore 12 is fixedly disposed on a sieve plate 4, an ejection mechanism is disposed on the sieve plate 4, the ejection mechanism includes an ejection rod 131, an arc-shaped elastic plate 132, a scraper 133 and a fourth sliding plate 134, the ejection rod 131 penetrates and is slidably mounted on the top of the sieve plate 4, the bottom of the arc-shaped elastic plate 132 is fixedly embedded on the outer wall of the top of the ejection rod 131, the arc-shaped elastic plate 132 has elasticity, the bottom of the arc-shaped elastic plate 132 is rotatably mounted on the top of the scraper 133, the bottom of the scraper 133 is slidably mounted on the outer wall of the sieve pore 12, the outer wall of the bottom of the ejection rod 131 is elastically connected with the fourth sliding plate 134 through a spring plate, the fourth sliding plate 134 is slidably mounted on the inner wall of a work box 1, when a grid baffle 5 rotates, the arc-shaped elastic plate 132 can drive the scraper 133 to scrape the outer wall of the sieve pore 12, so as to prevent blockage caused by large particles, and when the grid baffle 5 is separated from the arc-shaped elastic plate 132, the ejector rod 131 can be moved by the coal mine which is used for screening the outer wall of the plate 4 upwards in an ejecting manner, so that the coal mine is prevented from influencing the gliding speed due to the attachment of impurities and the like, and the gliding speed and the screening efficiency of the coal mine are improved.
When the working box is in operation (or in use), the splash-proof mechanism is arranged on the working box 1, the splash-proof baffle plate 22 can effectively prevent dust from flowing into the outside air through the feed inlet 21, the dust is effectively prevented from splashing, the dust in the feed inlet 21 can be sprayed by the water storage tank 24 and the water spray pipe 23 to reduce dust, the dust is prevented from being filled in the feed inlet 21 and the working box 1 to influence the screening of a coal mine and the operation of the mechanism, the service life of the whole working box 1 is prolonged, then, moisture on the coal mine caused by the water spray pipe 23 can be filtered and separated through the water filter plate 3, the filtered moisture is collected back to the water storage tank 24 through the water outlet pipe 10, and the purpose of recycling water resources is achieved; when a coal mine falls onto the water filtering plate 3 downwards through the feeding hole 21, the impact vibration effect can be caused to the water filtering plate 3, then the elastic triangular connecting plate 71 of the buffer mechanism can play an initial buffering role, the vibration of the water filtering plate 3 can also push the lattice baffle 5 to rotate through the elastic triangular connecting plate 71, when the lattice baffle 5 rotates, the air in the first vent hole 74 can be driven to flow, the air flows in the first vent hole 74 to generate a damping role and push the first sliding plate 73 to move, and the secondary buffering role can be played through the elastic sheet and the damping role between the first sliding plates 73, so that the vibration of the water filtering plate 3 is effectively slowed down, the damage caused by overlarge vibration of the water filtering plate 3 is prevented, and meanwhile, the water filtering separation is promoted by the vibration of the impact water filtering plate 3; when the first sliding plate in the grid baffle 5 is pushed by air to displace by the rotation of the first sliding plate 73 on the grid baffle 5, the first sliding plate 73 can generate extrusion force on the air bag 81, the air bag 81 is compressed to generate air flow, the air flow is blown out through the communicating pipe 82 and the second vent hole 83, the blown air flow can clean the outer wall of the first vent hole 74 along the outer wall of the grid baffle 5, impurities such as coal mines and the like are prevented from attaching to the surface of the first vent hole 74 to influence the ventilation effect, and the first vent hole 74 is prevented from being blocked; when the lattice baffle 5 starts to rotate, the lattice baffle 5 can drive the first arc-shaped plate 91 to impact the second arc-shaped plate 92, so that the second arc-shaped plate 92 can drive the second sliding plate 93 to move left and right, and the left and right displacement of the second sliding plate 93 can drive the rotating plate 95 to rotate by taking the rotating shaft 94 as the center of a circle, so that the rotating plate 95 can push water flow to enter the water outlet pipe 10, the movement of the filtered water flow is accelerated, the water outlet efficiency of the water outlet pipe 10 is promoted, and the circulation speed of water resources is improved; when a coal mine slides downwards on the screening plate 4 and impacts the impact rod 115, the impact rod 115 can drive the lattice baffle 5 to rotate and simultaneously drive the third sliding plate 114 to slide upwards and rightwards, the third sliding plate 114 can drive the arc sliding plate 111 to slide, the arc sliding plate 111 can drive the first bump 112 to slide, the first bump 112 can impact with the second bump 113 to vibrate, the first arc 91 can transmit vibration to the second arc 92, and the second arc 92 can transmit vibration to the rotating plate 95 and the water filtering plate 3, so that the water separation effect is promoted, and the filtering efficiency is improved; when the grid baffle 5 rotates, the arc-shaped elastic plate 132 and the ejection rod 131 can be extruded downwards by the bottom of the grid baffle 5, the arc-shaped elastic plate 132 can drive the scraper 133 to scrape the outer wall of the sieve pore 12, so as to prevent blockage caused by large particles, and when the grid baffle 5 is separated from the arc-shaped elastic plate 132, the ejection rod 131 can be ejected upwards due to the elastic force of the elastic piece, so as to eject and move the coal mine on the outer wall of the sieving plate 4 upwards, so as to prevent the coal mine from influencing the gliding speed due to the attachment of impurities and the like, thereby promoting the gliding speed and the sieving efficiency of the coal mine, in sum, by arranging the splash-proof mechanism in the working box 1, dust can be effectively prevented from influencing the external environment and human body, and simultaneously, by the effects of water spraying and water circulation, the environment-friendly effect is achieved, and simultaneously, the separation of the water filtering plate 3 and the scraping and cleaning of the sieve pore 12 on the sieving plate 4 can be promoted by the rotation of the grid baffle 5, the working efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a screening plant for coal mining with prevent dust function of splashing, includes work box (1), its characterized in that: slidable mounting has water strainer plate (3) on work box (1) inner wall, through shell fragment elastic connection between water strainer plate (3) bottom outer wall and work box (1) inner wall, it has sieve board (4) to inlay on work box (1) inner wall, it installs rotation post (6) to rotate between water strainer plate (3) bottom and the sieve board (4) top, it has lattice baffle (5) to inlay on rotation post (6) outer wall, be provided with buffer gear on lattice baffle (5), buffer gear includes elasticity triangle connecting plate (71), fixed plate (72), slide (73) and number one ventilation hole (74), elasticity triangle connecting plate (71) rotate elastic mounting between water strainer plate (3) bottom outer wall and lattice baffle (5) top outer wall, fixed plate (72) are inlayed on lattice baffle (5) inner wall.
2. A coal mining screening device having a dust splashing preventing function according to claim 1, wherein: be provided with splashproof mechanism on work box (1), splashproof mechanism includes feed inlet (21), splashproof baffle (22), spray pipe (23) and storage water tank (24), feed inlet (21) are embedded in work box (1) top, splashproof baffle (22) rotate to be installed on feed inlet (21) inner wall.
3. A coal mining screening device having a dust splashing preventing function according to claim 2, wherein: splash guard (22) bottom and feed inlet (21) inner wall between through shell fragment elastic connection, spray pipe (23) are embedded and are just communicate between feed inlet (21) and storage water tank (24), storage water tank (24) are embedded and are fixed on work box (1) outer wall.
4. A coal mining screening device having a dust splashing preventing function according to claim 3, wherein: a slide (73) bottom slidable mounting is on fixed plate (72) outer wall, the quantity of slide (73) have two and about fixed plate (72) bilateral symmetry distribute, two pass through shell fragment elastic connection between slide (73), No. one ventilation hole (74) fixed mounting is on check baffle (5) and the intercommunication, slide (73) slip cup joint on a ventilation hole (74) outer wall.
5. A coal mining screening device having a dust splashing preventing function according to claim 2, wherein: check baffle (5) top is provided with clearance mechanism, clearance mechanism includes gasbag (81), communicating pipe (82) and No. two air vents (83), gasbag (81) inlay admittedly between slide (73) top outer wall and check baffle (5) inner wall, fixed running through and intercommunication check baffle (5) and gasbag (81) communicating pipe (82), No. two air vents (83) inlay admittedly in communicating pipe (82) bottom and give vent to anger end towards check baffle (5) outer wall direction.
6. A coal mining screening device having a dust splashing preventing function according to claim 2, wherein: check baffle (5) outside is provided with pushing mechanism, pushing mechanism includes No. one arc (91), No. two arcs (92), No. two slides (93), axis of rotation (94) and rotor plate (95), No. one arc (91) bottom is inlayed admittedly on check baffle (5) outer wall, No. two arcs (92) top is inlayed admittedly in No. two slides (93) bottom and movable mounting in drainage board (3) bottom, rotor plate (95) run through and slidable mounting on axis of rotation (94), rotor plate (95) bottom is rotated and is installed on No. two slides (93).
7. A coal mining screening device with a dust splashing prevention function according to claim 6, wherein: an arc (91) inside striking mechanism that is provided with, striking mechanism includes arc slide (111), lug (112), lug (113), No. three slide (114) and striking rod (115), arc slide (111) slidable mounting is on an arc (91) inner wall, arc slide (111) bottom is rotated and is installed on No. three slide (114) outer wall, lug (112) and No. two lug (113) swing joint, striking rod (115) run through and slidable mounting on check baffle (5).
8. A coal mining screening device having a dust splashing preventing function according to claim 2, wherein: sieve mesh (12) have been fixed to have seted up on screening board (4), be provided with ejection mechanism on screening board (4), ejection mechanism includes ejector rod (131), arc bullet board (132), scraper blade (133) and No. four slide (134), ejector rod (131) run through and slidable mounting in screening board (4) top, arc bullet board (132) bottom is rotated and is installed in scraper blade (133) top, scraper blade (133) bottom slidable mounting is on sieve mesh (12) outer wall, through shell fragment elastic connection between ejector rod (131) bottom outer wall and No. four slide (134).
CN202110976708.0A 2021-08-24 2021-08-24 Screening device with dust splashing prevention function for coal mining Pending CN113649255A (en)

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