CN111530736A - Coal mine screening equipment for coal mining - Google Patents
Coal mine screening equipment for coal mining Download PDFInfo
- Publication number
- CN111530736A CN111530736A CN202010377777.5A CN202010377777A CN111530736A CN 111530736 A CN111530736 A CN 111530736A CN 202010377777 A CN202010377777 A CN 202010377777A CN 111530736 A CN111530736 A CN 111530736A
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- China
- Prior art keywords
- fixedly connected
- screening
- frame
- rectangle
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
-
- 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
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses coal mine screening equipment for coal mining, which comprises supporting legs, wherein a rectangular frame is fixedly connected to the upper surfaces of the supporting legs, supporting rods are fixedly connected to the upper surfaces of the rectangular frame, transverse plates are fixedly connected to the top ends of the supporting rods, feed ports are formed in the upper surfaces of the transverse plates, funnel-shaped discharge hoppers are fixedly connected to the inner walls of the feed ports, and inclined plates and transmission plates are fixedly connected to the side surfaces of the supporting rods respectively. This colliery screening installation that coal mining adopted, through setting up driving motor, the rolling disc, the dwang, the apparatus further comprises a rotating shaft, remove wheel and slot rolling, enable rectangle screening frame reciprocating motion, at rectangle screening frame reciprocating motion's in-process, can drop the colliery of fritter by the net gape through setting up the screening net, and remove away by the drive belt, great colliery is separated with the fritter colliery through flitch and defeated flitch down, be convenient for collect, thereby make whole device have the effect of screening size in the colliery.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to coal mine screening equipment for coal mining.
Background
Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, and coal is the most important solid fuel and is one of combustible organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age.
In the process of coal mining, need carry out broken decomposition to the coal, but present coal is all smashed together, leads to having the unable decomposition of a lot of great coal briquettes for the coal briquette has reduced the effect of refining at the in-process of refining.
The invention provides coal mine screening equipment for coal mining.
Disclosure of Invention
The invention aims to provide coal mine screening equipment for coal mining, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a coal mine screening device for coal mining comprises supporting legs, wherein a rectangular frame is fixedly connected to the upper surfaces of the supporting legs, supporting rods are fixedly connected to the upper surfaces of the rectangular frame, a transverse plate is fixedly connected to the top ends of the supporting rods, a feeding port is formed in the upper surface of the transverse plate, a funnel-shaped blanking hopper is fixedly connected to the inner wall of the feeding port, inclined plates and a transmission plate are fixedly connected to the side surfaces of the supporting rods respectively, a rectangular screening frame is connected to the upper surface of the inclined plates in a rolling manner, a screening net is arranged on the inner wall of the rectangular screening frame, motor placing plates are fixedly connected to the side surfaces of the two supporting rods on the left side, a support frame for supporting the motor placing plates is fixedly connected to the lower surface of each motor placing plate, the bottom end of each support frame is fixedly connected to the side surface of, the utility model discloses a rectangle screening frame, including drive motor, drive motor's output fixedly connected with rolling disc, the front of rolling disc is connected with the dwang through the axis of rotation, the one end that the axis of rotation was kept away from to the dwang is rotated and is connected in the side of rectangle screening frame, and the left side fixedly connected with of rectangle screening frame makes things convenient for dwang pivoted pivot.
Preferably, the quantity of supporting leg is four, and four supporting legs are rectangle array fixed connection at rectangular frame's lower surface, four the equal fixedly connected with in lower surface of supporting leg reduces the shock pad of whole equipment vibrations, the quantity of bracing piece is four, and four bracing pieces are rectangle array fixed connection at rectangular frame's upper surface.
Preferably, the quantity of swash plate and driving plate is two, and two swash plates and driving plate use the central line of diaphragm side to set up the side at four bracing pieces as symmetry axis symmetry, the lower surface of rectangle screening frame rotates and is connected with the removal wheel, the quantity that removes the wheel is four, and four removal wheels are rectangle array and rotate the lower surface of connecting at the rectangle screening frame, the upper surface of swash plate offer with remove the rolling slot of taking turns looks adaptation.
Preferably, the last fixed surface of rectangle screening frame is connected with the sliding block, the quantity of sliding block is four, and per two sliding blocks are a set of, and is two sets of the slide opening has all been seted up to the side of sliding block, and the inner wall sliding connection of this slide opening has the slide bar, the quantity of slide bar is two, and two slide bars respectively fixed connection at the opposite face of two bracing pieces of front end and the opposite face of two bracing pieces of rear end, two the upper surface of slide bar all uses the positive central line of slide bar as two stoppers of symmetry axis symmetry fixedly connected with.
Preferably, the chucking hole has all been seted up at the front and the back of rectangle screening frame, and the inner wall sliding connection in this chucking hole has the chucking pole that is used for chucking screening net, the surface cover of chucking pole is equipped with the chucking spring, the one end fixedly connected with of chucking pole makes things convenient for the pull rod that the chucking pole was pulled out, the one end that the pull rod was kept away from to the chucking pole runs through the inner wall of rectangle screening frame and extends to the inside of rectangle screening frame, the quantity of chucking pole is four, and per two chucking poles are a set of, and two sets of chucking poles are the setting of rectangle array at the front and the back of rectangle screening frame.
Preferably, two the opposite face of driving plate rotates and is connected with the transmission shaft, the quantity of transmission shaft is six, and six transmission shafts are six rows of one row and rotate the opposite face of connection at two driving plates, six the surface of transmission shaft is provided with the drive belt, the back fixedly connected with motor case of driving plate, the interior diapire fixedly connected with drive motor of motor case, and the output of this drive motor and the one end fixed connection of transmission shaft on the left most side.
Preferably, the inner wall fixedly connected with of rectangle screening frame is used for placing the overlap joint piece of screening net, the fixed framework of side fixedly connected with of screening net, the material of screening net is the stainless steel, the feed opening has been seted up on the right side of rectangle screening frame, and the diapire of this feed opening is connected with the lower flitch that makes things convenient for the coal whereabouts, two right sides the side fixedly connected with defeated flitch of bracing piece, the bottom fixed connection of defeated flitch is at rectangular frame's inner wall, rectangular frame's inner wall fixedly connected with is used for placing the baffle that the coal mixes.
Preferably, the upper surface of diaphragm fixedly connected with control operation board, driving motor and drive motor all with control operation board coupling.
Preferably, the supporting legs, the rectangular frame, the supporting rods, the transverse plates, the blanking hopper, the inclined plates and the transmission plate are made of iron.
Advantageous effects
The invention provides coal mine screening equipment for coal mining, which has the following beneficial effects:
1. this colliery screening installation that coal mining adopted, hopper under through setting up, can drop into the colliery by hopper down, through setting up driving motor, the rolling disc, the dwang, the apparatus further comprises a rotating shaft, remove wheel and slot rolling, enable rectangle screening frame reciprocating motion, at rectangle screening frame reciprocating motion's in-process, can drop the colliery of fritter by the net gape through setting up the screening net, and remove away by the drive belt, great colliery is separated with the fritter colliery through flitch and defeated flitch down, be convenient for collect, thereby make whole device have the effect of screening size in the colliery.
2. This colliery screening installation that coal mining adopted through setting up sliding block and slide bar, makes the rectangle screening frame can only be reciprocating motion, through setting up chucking pole and chucking spring convenient change and fixed screening net, can prevent the colliery after the screening from mixing through setting up the baffle.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic side sectional view of a rectangular screening frame according to the present invention.
In the figure: 1 supporting leg, 2 rectangular frame, 3 bracing pieces, 4 transverse plates, 5 blanking hoppers, 6 sloping plates, 7 transmission plates, 8 rectangular screening frames, 9 screening nets, 10 motor placing plates, 11 driving motors, 12 rotating discs, 13 rotating rods, 14 rotating shafts, 15 moving wheels, 16 sliding blocks, 17 sliding rods, 18 limiting blocks, 19 clamping rods, 20 clamping springs, 21 transmission shafts, 22 transmission belts, 23 motor boxes, 24 blanking plates, 25 material conveying plates, 26 baffle plates and 27 control operation plates.
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. 1-4, the present invention provides a technical solution: the utility model provides a colliery screening installation that coal mining adopted, including supporting leg 1, the last fixed surface of supporting leg 1 is connected with rectangular frame 2, rectangular frame 2's last fixed surface is connected with bracing piece 3, the quantity of supporting leg 1 is four, and four supporting legs 1 are rectangular array fixed connection at rectangular frame 2's lower surface, the equal fixedly connected with of lower surface of four supporting legs 1 reduces the shock pad of whole equipment vibrations, the quantity of bracing piece 3 is four, and four bracing pieces 3 are rectangular array fixed connection at rectangular frame 2's upper surface.
The top end of the supporting rod 3 is fixedly connected with a transverse plate 4, the upper surface of the transverse plate 4 is fixedly connected with a control operation plate 27, a driving motor 11 and a transmission motor are coupled with the control operation plate 27, the upper surface of the transverse plate 4 is provided with a feed opening, the inner wall of the feed opening is fixedly connected with a funnel-shaped blanking hopper 5, the side surfaces of the supporting rod 3 are respectively and fixedly connected with an inclined plate 6 and a transmission plate 7, the supporting leg 1, the rectangular frame 2, the supporting rod 3, the transverse plate 4, the blanking hopper 5, the inclined plate 6 and the transmission plate 7 are made of iron, the upper surface of the inclined plate 6 is in rolling connection with a rectangular screening frame 8, the number of the inclined plate 6 and the transmission plate 7 is two, the two inclined plates 6 and the transmission plate 7 are symmetrically arranged on the side surfaces of the four supporting rods 3 by taking the center line of the side surface of the transverse plate 4 as, and the four moving wheels 15 are connected to the lower surface of the rectangular screening frame 8 in a rectangular array in a rotating manner, and the upper surface of the inclined plate 6 is provided with rolling grooves matched with the moving wheels 15.
The inner wall of rectangle screening frame 8 is provided with screening net 9, the chucking hole has all been seted up with the back to the front of rectangle screening frame 8, and the inner wall sliding connection in this chucking hole has the chucking pole 19 that is used for chucking screening net 9, the surface cover of chucking pole 19 is equipped with chucking spring 20, the one end fixedly connected with of chucking pole 19 makes things convenient for the pull rod that chucking pole 19 was pulled out, chucking pole 19 is kept away from the one end of pull rod and is run through the inner wall of rectangle screening frame 8 and extend to the inside of rectangle screening frame 8, the quantity of chucking pole 19 is four, per two chucking poles 19 are a set of, and two sets of chucking poles 19 are the setting of rectangle array at the front and the back of rectangle screening frame 8, through setting up chucking pole and 19 chucking spring 20 convenient changes and fixed screening net 9.
Inner wall fixedly connected with of rectangle screening frame 8 is used for placing the overlap joint piece of screening net 9, the fixed framework of side fixedly connected with of screening net 9, the material of screening net 9 is the stainless steel, the feed opening has been seted up on rectangle screening frame 8's right side, and the diapire of this feed opening is connected with the flitch 24 that makes things convenient for the coal whereabouts, the defeated flitch 25 of side fixedly connected with of two right side bracing pieces 3, the bottom fixed connection of defeated flitch 25 is at rectangular frame 2's inner wall, rectangular frame 2's inner wall fixedly connected with is used for placing the baffle 26 that the coal mixes, coal mine after the screening can be prevented through setting up baffle 26 and mixes.
The opposite surfaces of the two transmission plates 7 are rotatably connected with transmission shafts 21, the number of the transmission shafts 21 is six, the six transmission shafts 21 are connected with the opposite surfaces of the two transmission plates 7 in a row-by-row six-row manner, the transmission belts 22 are arranged on the outer surfaces of the six transmission shafts 21, the motor box 23 is fixedly connected to the back surface of each transmission plate 7, the inner bottom wall of the motor box 23 is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with one end of the leftmost transmission shaft 21, a coal mine can be put into the rectangular screening frame 8 through the blanking hopper 5 by arranging the blanking hopper 5, a small coal mine can be dropped from a screen opening through arranging the screening net 9 in the reciprocating motion process of the rectangular screening frame 8 and can be moved away by the transmission belts 22, the larger coal mine is separated from the material conveying plates 25 through the blanking plate 24, is convenient for collection, thereby leading the whole device to have the effect of screening the coal mine.
The working principle is as follows: when the device is required to be used for coal mine screening, the operation control panel 27 is firstly utilized to control the driving motor 11 and the transmission motor to start, collected coal mines are put into the hopper 5, when the collected coal mines fall to the upper surface of the screening net 9, the rectangular screening frame 8 can reciprocate under the driving of the driving motor 11 through the rotating disc 12, the rotating rod 13 and the rotating shaft 14, in the reciprocating motion process of the rectangular screening frame 8, small coal mines can fall from a net opening by utilizing the screening net 9 and are moved away by the transmission belt 22, the large coal mines are separated from the small coal mines through the blanking plate 24 and the material conveying plate 25, and the collection is convenient, so that the whole device has the effect of screening the coal mines.
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 colliery screening installation that coal mining adopted, includes supporting leg (1), its characterized in that: the upper surface of the supporting leg (1) is fixedly connected with a rectangular frame (2), the upper surface of the rectangular frame (2) is fixedly connected with a supporting rod (3), the top end of the supporting rod (3) is fixedly connected with a transverse plate (4), the upper surface of the transverse plate (4) is provided with a feeding port, the inner wall of the feeding port is fixedly connected with a funnel-shaped blanking hopper (5), the side surfaces of the supporting rod (3) are respectively and fixedly connected with an inclined plate (6) and a transmission plate (7), the upper surface of the inclined plate (6) is in rolling connection with a rectangular screening frame (8), the inner wall of the rectangular screening frame (8) is provided with a screening net (9), the side surfaces of the two supporting rods (3) on the left side are fixedly connected with a motor placing plate (10), the lower surface of the motor placing plate (10) is fixedly connected with a support for supporting the motor placing plate (10), and the bottom end of the, the upper surface of the motor placing plate (10) is fixedly connected with a driving motor (11), the output end of the driving motor (11) is fixedly connected with a rotating disc (12), the front surface of the rotating disc (12) is rotatably connected with a rotating rod (13) through a rotating shaft, one end of the rotating rod (13) far away from the rotating shaft is rotatably connected to the side surface of the rectangular screening frame (8), and the left side of the rectangular screening frame (8) is fixedly connected with a rotating shaft (14) which is convenient for the rotating rod (13) to rotate, the number of the supporting legs (1) is four, the four supporting legs (1) are fixedly connected to the lower surface of the rectangular frame (2) in a rectangular array, the lower surfaces of the four supporting legs (1) are fixedly connected with shock pads for reducing the vibration of the whole equipment, the number of the supporting rods (3) is four, and the four support rods (3) are fixedly connected to the upper surface of the rectangular frame (2) in a rectangular array.
2. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the quantity of swash plate (6) and driving plate (7) is two, and two swash plates (6) and driving plate (7) use the central line of diaphragm (4) side to set up the side at four bracing pieces (3) as symmetry axis symmetry, the lower surface of rectangle screening frame (8) rotates and is connected with removal wheel (15), the quantity that removes wheel (15) is four, and four removal wheels (15) are the rectangle array and rotate the lower surface of connecting at rectangle screening frame (8), the upper surface of swash plate (6) is seted up and is removed the rolling groove of wheel (15) looks adaptation.
3. A coal mine screening apparatus for coal mining as claimed in claim 2, wherein: the last fixed surface of rectangle screening frame (8) is connected with sliding block (16), the quantity of sliding block (16) is four, and per two sliding blocks (16) are a set of, and are two sets of the draw runner has all been seted up to the side of sliding block (16), and the inner wall sliding connection of this draw runner has slide bar (17), the quantity of slide bar (17) is two, and two slide bar (17) respectively fixed connection at the opposite face of two bracing pieces of front end (3) and the opposite face of two bracing pieces of rear end (3), two the upper surface of slide bar (17) all uses the positive central line of slide bar (17) as two stopper (18) of symmetry axis symmetry fixedly connected with.
4. A coal mine screening apparatus for coal mining as claimed in claim 3, wherein: the front and the back of rectangle screening frame (8) have all been seted up the chucking hole, and the inner wall sliding connection in this chucking hole has chucking pole (19) that are used for chucking screening net (9), the surface cover of chucking pole (19) is equipped with chucking spring (20), the one end fixedly connected with of chucking pole (19) makes things convenient for the pull rod that chucking pole (19) were pulled out, the one end that the pull rod was kept away from in chucking pole (19) runs through the inner wall of rectangle screening frame (8) and extends to the inside of rectangle screening frame (8), the quantity of chucking pole (19) is four, and per two chucking poles (19) are a set of, and two sets of chucking poles (19) are the setting of rectangle array in the front and the back of rectangle screening frame (8).
5. A coal mine screening apparatus for coal mining as claimed in claim 3, wherein: two the opposite face of driving plate (7) rotates and is connected with transmission shaft (21), the quantity of transmission shaft (21) is six, and six transmission shaft (21) are a line six and arrange the opposite face of rotating and connecting at two driving plate (7), six the surface of transmission shaft (21) is provided with drive belt (22), the back fixedly connected with motor case (23) of driving plate (7), the interior diapire fixedly connected with drive motor of motor case (23), and the output of this drive motor and the one end fixed connection of transmission shaft (21) of leftmost side.
6. A coal mine screening apparatus for coal mining as claimed in claim 5, wherein: the utility model discloses a coal screening machine, including rectangle screening frame (8), screening net (9), the inner wall fixedly connected with of rectangle screening frame (8) is used for placing the overlap joint piece of screening net (9), the fixed framework of side fixedly connected with of screening net (9), the material of screening net (9) is the stainless steel, the feed opening has been seted up on the right side of rectangle screening frame (8), and the diapire of this feed opening is connected with blanking plate (24), two right sides that make things convenient for the coal whereabouts side fixedly connected with defeated flitch (25) of bracing piece (3), the bottom fixed connection of defeated flitch (25) is at the inner wall of rectangular frame (2), the inner wall fixedly connected with of rectangular frame (2) is used for placing baffle (26) that.
7. A coal mine screening apparatus for coal mining as claimed in claim 6, wherein: the upper surface fixed connection of diaphragm (4) has control operation board (27), driving motor (11) and drive motor all with control operation board (27) coupling.
8. A coal mine screening apparatus for coal mining as claimed in claim 6, wherein: the supporting legs (1), the rectangular frame (2), the supporting rods (3), the transverse plates (4), the blanking hopper (5), the inclined plates (6) and the transmission plate (7) are made of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377777.5A CN111530736A (en) | 2020-05-07 | 2020-05-07 | Coal mine screening equipment for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377777.5A CN111530736A (en) | 2020-05-07 | 2020-05-07 | Coal mine screening equipment for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111530736A true CN111530736A (en) | 2020-08-14 |
Family
ID=71971533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010377777.5A Withdrawn CN111530736A (en) | 2020-05-07 | 2020-05-07 | Coal mine screening equipment for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111530736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845056A (en) * | 2020-12-10 | 2021-05-28 | 夏孟槐 | Building is grit sieve filter device for real estate |
-
2020
- 2020-05-07 CN CN202010377777.5A patent/CN111530736A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845056A (en) * | 2020-12-10 | 2021-05-28 | 夏孟槐 | Building is grit sieve filter device for real estate |
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Application publication date: 20200814 |
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