CN113680670A - Grit screening equipment for building engineering - Google Patents
Grit screening equipment for building engineering Download PDFInfo
- Publication number
- CN113680670A CN113680670A CN202111237810.5A CN202111237810A CN113680670A CN 113680670 A CN113680670 A CN 113680670A CN 202111237810 A CN202111237810 A CN 202111237810A CN 113680670 A CN113680670 A CN 113680670A
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- Prior art keywords
- screening
- transmission
- rotating shaft
- rotating
- subassembly
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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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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
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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
- B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
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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
- 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
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
Abstract
The invention is suitable for the technical field of screening machinery, and provides sand and stone screening equipment for constructional engineering, which comprises a screening box and also comprises: the screening device comprises a primary screening assembly, a dredging assembly, a transmission assembly, a reciprocating assembly, a secondary screening assembly and a screening plate, wherein a plurality of long holes for screening large gravels are formed in the screening plate, and the dredging assembly is connected with the long holes in a sliding manner; the dredging component dredges the massive gravels blocked in the long holes in a rotating mode, and the dredging component pushes out the screened massive gravels out of the screening box in a rotating mode. Drop into the grit and screen the case, the mediation subassembly passes through the reciprocal rotation of transmission assembly drive screening subassembly, and screening subassembly drives the screening board through reciprocal pivoted mode and sieves the bold grit, and the screening case is released to the bold grit of mediation subassembly on with the screening board through self pivoted mode, improves the screening efficiency of bold grit, and dredges the grit of card in the trompil when the mediation subassembly rotates.
Description
Technical Field
The invention belongs to the technical field of screening machinery, and particularly relates to sand and stone screening equipment for constructional engineering.
Background
At present, the building engineering scene relies on artifical screening when sieving the grit, and the manual work supports the screen cloth in ground with inclination, and the workman uses the shovel to shovel the grit and screens on the screen cloth.
The screen cloth is in quiescent condition during the screening, and screening efficiency is low, and the screen cloth blocks up easily, needs the manual work to dredge the screen cloth, when needs carry out many times the screening to the grit, needs the grit after the workman will sieve to continue to shovel to the screen cloth on, workman intensity of labour is big, work efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to provide gravel screening equipment for constructional engineering, and aims to solve the problems that a screen is in a static state during screening, the screening efficiency is low, the screen is easy to block, the screen needs to be dredged manually, and when gravel needs to be screened for multiple times, workers need to continuously shovel the screened gravel onto the screen, the labor intensity of the workers is high, and the working efficiency is low.
The embodiment of the invention is realized in such a way that the sand and stone screening equipment for the constructional engineering comprises a screening box and also comprises:
the screening device comprises a primary screening assembly, a dredging assembly, a transmission assembly, a reciprocating assembly, a secondary screening assembly and a screening plate, wherein a plurality of long holes for screening large gravels are formed in the screening plate, and the dredging assembly is connected with the long holes in a sliding manner;
the grit that the mediation subassembly blockked up in to the slot hole dredges through the pivoted mode, just the screening case is released through the bold grit that the pivoted mode will be sieved to the mediation subassembly, the mediation subassembly passes through the reciprocal rotation of the primary screening subassembly of transmission subassembly drive, the primary screening subassembly sieves the bold grit through the reciprocal pivoted mode, the reciprocating motion subassembly is used for driving the reciprocal rocking of secondary screening subassembly, the secondary screening subassembly carries out the secondary screening to the grit through the reciprocal mode of rocking.
Further technical scheme, mediation subassembly includes second axis of rotation and the third axis of rotation that rotates the connection on the screening case, equal fixed mounting has a plurality of rotor blades in second axis of rotation and the third axis of rotation, rotor blade and slot hole sliding connection, there are first driving medium and second driving medium in second axis of rotation and the third axis of rotation respectively fixed mounting, the transmission is connected with the third driving medium on the second driving medium, the third driving medium is connected with the transmission of first driving medium, fixed mounting has the support frame on the screening case, fixed mounting has first rotating device on the support frame, first rotating device's rotation end and second axis of rotation fixed connection.
Further technical scheme, drive assembly includes the fourth driving medium of fixed mounting in the second axis of rotation, the last transmission connection of fourth driving medium has the fifth driving medium, fixed mounting has the supporting seat on the lateral wall of screening case, the rotation is connected with first axis of rotation on the supporting seat, fixed mounting has the sixth driving medium in the first axis of rotation, the sixth driving medium is connected with the transmission of fifth driving medium.
Further technical scheme, a screening subassembly includes the first discharge gate that sets up on the screening case and dodges the groove, the screening board rotates to be connected in first discharge gate, it is provided with first spout in the groove to dodge, be provided with first elastic component in the first spout, sliding connection has the piece that resets in the first spout, fixed mounting has the driving piece in the first axis of rotation.
Further technical scheme, the adjusting part is including dodging the second spout that the inslot set up, sliding connection has first slider in the second spout, first slider is close to screening board one end fixed mounting has the cushion, threaded connection has the lead screw on the screening case, the first slider other end rotates with lead screw one end and is connected, lead screw other end fixed mounting has the hand wheel, threaded connection has fastening nut on the lead screw.
According to the technical scheme, the reciprocating motion assembly comprises a protective shell fixedly mounted on the screening box, a second rotating device is fixedly mounted on the protective shell, a third bevel gear is fixedly mounted at a rotating end of the second rotating device, a fourth rotating shaft and a fifth rotating shaft are rotatably connected to the protective shell, a first bevel gear and a second bevel gear are fixedly mounted on the fourth rotating shaft and the fifth rotating shaft respectively, the first bevel gear and the second bevel gear are meshed with and matched with the third bevel gear, a driving rod is movably connected to the screening box, one end of the screening box, far away from the driving rod, is slidably connected with two transmission rods, and the tail ends of the two transmission rods are connected with the first bevel gear and the second bevel gear respectively in a ball joint mode.
Further technical scheme, secondary screening subassembly includes the third spout that sets up on the screening incasement lateral wall, sliding connection has the screening box in the third spout, fixed mounting has the screen cloth in the screening box, the screening box rotates with the transfer line to be connected, the last rotation of screening case is connected with the returning face plate.
Further technical scheme, be provided with row material subassembly in the screening case, arrange the eighth driving medium that the material subassembly includes fixed mounting in the fifth axis of rotation, the screening incasement rotation is connected with row material axle, arrange epaxial fixedly connected with helical blade of material, arrange material axle one end fixed mounting have the seventh driving medium, seventh driving medium and eighth driving medium meshing cooperation, be provided with the bin outlet on the screening case.
When the sand and stone screening device for the building engineering is used, sand and stones are put into the screening box, the dredging component drives the primary screening component to rotate in a reciprocating mode through the transmission component, the primary screening component drives the screening plate to screen large sand and stones in a reciprocating mode, the dredging component pushes the large sand and stones on the screening plate out of the screening box in a self-rotating mode, screening efficiency of the large sand and stones is improved, the sand and stones clamped in the long hole are dredged when the dredging component rotates, the blocked part is dredged in time, influence on screening efficiency caused by blockage of the long hole is prevented, the reciprocating component conducts secondary screening in a mode of driving the secondary screening component to shake the sand and stones in a reciprocating mode, the sand and stones are screened twice, and screening precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of a sand screening device for construction engineering according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the screening deck of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged structural diagram of A in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of B in FIG. 1 according to an embodiment of the present invention;
fig. 6 is an enlarged schematic structural diagram of C in fig. 2 according to an embodiment of the present invention.
In the drawings: the device comprises a primary screening assembly 1, a screening box 101, a first discharge port 102, a screening plate 103, a feed port 104, a feed hopper 105, an avoiding groove 106, a resetting piece 107, a first slide groove 108, a first elastic piece 109, a supporting seat 110, a first rotating shaft 111, a driving piece 112, a long hole 113, a dredging assembly 2, a supporting frame 201, a first rotating device 202, a first transmission piece 203, a second rotating shaft 204, a second transmission piece 205, a third transmission piece 206, a third rotating shaft 207, a rotating blade 208, a transmission assembly 3, a fourth transmission piece 301, a fifth transmission piece 302, a sixth transmission piece 303, an adjusting assembly 4, a second slide groove 401, a first sliding piece 402, an elastic pad, a screw rod 404, a hand wheel 405, a fastening nut 406, a reciprocating assembly 5, a protective shell 501, a fourth rotating shaft 502, a first bevel gear 503, a second bevel gear 504, a fifth rotating shaft 505, a second rotating device 506, a third bevel gear 507, a second bevel gear 507, a reset groove 106, a reset piece 108, a first elastic piece 108, a second elastic piece, a third rotating device, a third bevel gear piece 403, a third rotating device, a fourth rotating device, a third rotating device, a fourth, Drive rod 508, drive rod 509, secondary screen assembly 6, third chute 601, screen box 602, flipping plate 603, screen 604, discharge assembly 7, discharge shaft 701, helical blade 702, discharge port 703, seventh drive 704, eighth drive 705, side dams 706.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a sand screening apparatus for construction engineering provided for one embodiment of the present invention includes a screening box 101, and further includes:
the screening device comprises a primary screening component 1, a dredging component 2, a transmission component 3, a reciprocating component 5, a secondary screening component 6 and a screening plate 103, wherein a plurality of long holes 113 for screening large gravels are formed in the screening plate 103, and the dredging component 2 is in sliding connection with the long holes 113;
In the embodiment of the invention, when the sand-gravel screening device is used, sand-gravel is put into the screening box 101, the dredging component 2 drives the primary screening component 1 to rotate in a reciprocating mode through the transmission component 3, the primary screening component 1 drives the screening plate 103 to screen massive sand-gravel in a reciprocating mode, the dredging component 2 pushes the massive sand-gravel on the screening plate 103 out of the screening box 101 in a self-rotating mode, the screening efficiency of the massive sand-gravel is improved, the sand-gravel clamped in the long hole 113 is dredged when the dredging component 2 rotates, the blocked part is dredged in time, the screening efficiency is prevented from being influenced due to the blockage of the long hole 113, the reciprocating motion component 5 conducts secondary screening in a mode of driving the secondary screening component 6 to shake in a reciprocating mode, sand-gravel is screened twice, and the screening precision is improved.
As shown in fig. 1 to 4, as a preferred embodiment of the present invention, the dredging assembly 2 includes a second rotating shaft 204 and a third rotating shaft 207 which are rotatably connected to the sieving box 101, a plurality of rotating blades 208 are fixedly mounted on both the second rotating shaft 204 and the third rotating shaft 207, the rotating blades 208 are slidably connected to the elongated hole 113, a first transmission member 203 and a second transmission member 205 are fixedly mounted on the second rotating shaft 204 and the third rotating shaft 207, respectively, a third transmission member 206 is rotatably connected to the second transmission member 205, the third transmission member 206 is rotatably connected to the first transmission member 203, a support frame 201 is fixedly mounted on the sieving box 101, a first rotating device 202 is fixedly mounted on the support frame 201, and a rotating end of the first rotating device 202 is fixedly connected to the second rotating shaft 204.
In the embodiment of the present invention, it is preferable that the first transmission member 203 and the second transmission member 205 are both pulleys, it is preferable that the third transmission member 206 is a timing belt, the type of the first rotating device 202 is not limited, and in the embodiment, it is preferable that the first rotating device 202 is a horizontal speed reduction motor; first rotating device 202 drives second axis of rotation 204 clockwise rotation, second axis of rotation 204 is through third driving medium 206, first driving medium 203 and second driving medium 205 drive third axis of rotation 207 clockwise rotation, second axis of rotation 204 and third axis of rotation 207 drive rotating vane 208 clockwise rotation respectively, the grit that sieves down on the board 103 of will sieving releases screening case 101 from first discharge gate 102, and when rotating vane 208 rotated, can dredge slot hole 113 on the board 103 of sieving, prevent that the grit card from in slot hole 113, improve screening efficiency.
As shown in fig. 1, 2, 4 and 6, as a preferred embodiment of the present invention, the transmission assembly 3 includes a fourth transmission member 301 fixedly mounted on the second rotation shaft 204, the fourth transmission member 301 is in transmission connection with a fifth transmission member 302, the side wall of the sifting box 101 is fixedly mounted with a supporting seat 110, the supporting seat 110 is in rotation connection with a first rotation shaft 111, the first rotation shaft 111 is fixedly mounted with a sixth transmission member 303, and the sixth transmission member 303 is in transmission connection with the fifth transmission member 302.
In the embodiment of the present invention, it is preferable that each of the fourth transmission member 301 and the sixth transmission member 303 is a synchronous pulley, and it is preferable that the fifth transmission member 302 is a synchronous belt; when the second rotation shaft 204 rotates, the first rotation shaft 111 is driven to rotate by the fourth transmission member 301, the fifth transmission member 302 and the sixth transmission member 303.
As shown in fig. 1, 2, 3 and 6, as a preferred embodiment of the present invention, the primary screening assembly 1 includes a first discharging opening 102 and a avoiding groove 106, which are disposed on a screening box 101, the screening plate 103 is rotatably connected in the first discharging opening 102, a first sliding groove 108 is disposed in the avoiding groove 106, a first elastic member 109 is disposed in the first sliding groove 108, a reset member 107 is slidably connected in the first sliding groove 108, and a driving member 112 is fixedly mounted on the first rotating shaft 111.
In the embodiment of the present invention, a feeding port 104 is disposed on the screening box 101, a feeding hopper 105 is fixedly mounted on the feeding port 104, the first elastic member 109 may adopt an elastic structure such as a compression spring, an elastic sheet, rubber, and the like, in this embodiment, the first elastic member 109 is preferably a compression spring, the reset member 107 is preferably a block, the position of the reset member 107 close to the screening plate 103 is rounded, and the driving member 112 is preferably an eccentric wheel; first axis of rotation 111 drives driving piece 112 and rotates, driving piece 112 promotes screening board 103 clockwise rotation, driving piece 112 continues to rotate until breaking away from the back with screening board 103, first elastic component 109 promotes the piece 107 upward movement that resets, the piece 107 that resets promotes screening board 103 clockwise rotation, thereby realize that circulation reciprocating motion drives screening board 103 reciprocating rotation, screen the grit when screening board 103 reciprocating rotation, sieve out the big piece grit screening, the grit of fritter falls from slot hole 113, and the grit that will sieve out when screening board 103 reciprocating rotation is from first discharge port 102 discharge screening case 101.
As shown in fig. 1, 2 and 6, as a preferred embodiment of the present invention, an adjusting assembly 4 is disposed on the sieving box 101, the adjusting assembly 4 includes a second sliding groove 401 disposed in the avoiding groove 106, a first sliding member 402 is slidably connected in the second sliding groove 401, an elastic pad 403 is fixedly mounted at one end of the first sliding member 402 close to the sieving plate 103, a screw rod 404 is connected to the sieving box 101 through a thread, the other end of the first sliding member 402 is rotatably connected to one end of the screw rod 404, a hand wheel 405 is fixedly mounted at the other end of the screw rod 404, and a fastening nut 406 is connected to the screw rod 404 through a thread.
In the embodiment of the present invention, the first sliding member 402 is preferably a block, and the elastic pad 403 is preferably a rubber pad; thereby rotation hand wheel 405 drives the lead screw 404 and rotates, and the screw thread fit through lead screw 404 and screening case 101 drives first slider 402 and carries out the vertical direction motion, and first slider 402 passes through the rotation range of cushion 403 restriction screening board 103 to adjust the screening intensity of screening board 103, be convenient for to the screening of grit.
As shown in fig. 1, 2 and 5, as a preferred embodiment of the present invention, the reciprocating assembly 5 includes a shield 501 fixedly installed on the classifying box 101, a second rotating device 506 is fixedly installed on the protective shell 501, a third bevel gear 507 is fixedly installed at the rotating end of the second rotating device 506, a fourth rotating shaft 502 and a fifth rotating shaft 505 are rotatably connected to the protective shell 501, a first bevel gear 503 and a second bevel gear 504 are fixedly mounted on the fourth rotating shaft 502 and the fifth rotating shaft 505, the first bevel gear 503 and the second bevel gear 504 are meshed with a third bevel gear 507, the screening box 101 is movably connected with a driving rod 508, one end of the driving rod 508 far away from the screening box 101 is connected with two driving rods 509 in a sliding mode, and the tail ends of the two driving rods 509 are connected with a first bevel gear 503 and a second bevel gear 504 in a ball joint mode respectively.
In the embodiment of the present invention, the type of the second rotating device 506 is not limited, and in the embodiment, preferably, the second rotating device 506 is a horizontal speed reduction motor; the second rotating device 506 drives the third bevel gear 507 to rotate, the third bevel gear 507 drives the first bevel gear 503 and the second bevel gear 504 to rotate in opposite directions through meshing cooperation with the first bevel gear 503 and the second bevel gear 504, when the first bevel gear 503 and the second bevel gear 504 rotate in opposite directions, the transmission rod 509 can be driven to move left and right, and the transmission rod 509 drives the driving rod 508 to move left and right.
As shown in fig. 2, as a preferred embodiment of the present invention, the secondary screening assembly 6 includes a third sliding chute 601 disposed on an inner side wall of the screening box 101, a screening box 602 is slidably connected in the third sliding chute 601, a screen 604 is fixedly installed in the screening box 602, the screening box 602 is rotatably connected to a transmission rod 509, and a turning plate 603 is rotatably connected to the screening box 101.
In the embodiment of the invention, the driving rod 508 drives the screening box 602 to move left and right in the third chute 601, the screening box 602 performs secondary screening on the sand through the screen 604, the turnover plate 603 is turned over, and the screened sand can be taken out.
As shown in fig. 2, as a preferred embodiment of the present invention, a discharging assembly 7 is disposed in the screening box 101, the discharging assembly 7 includes an eighth transmission member 705 fixedly mounted on a fifth rotation shaft 505, a discharging shaft 701 is rotatably connected in the screening box 101, a helical blade 702 is fixedly connected to the discharging shaft 701, a seventh transmission member 704 is fixedly mounted at one end of the discharging shaft 701, the seventh transmission member 704 is engaged with the eighth transmission member 705, and a discharging opening 703 is disposed in the screening box 101.
In the embodiment of the present invention, two side baffles 706 are fixedly installed in the screening box 101, and preferably, the seventh transmission member 704 and the eighth transmission member 705 are both bevel gears; the side baffle 706 guides the screened sand to the helical blade 702, the second bevel gear 504 rotates to drive the fifth rotating shaft 505 to rotate, the fifth rotating shaft 505 drives the helical blade 702 to rotate, and the helical blade 702 sends the screened sand out of the screening box 101 from the discharge port 703.
The invention provides a sand screening device for construction engineering, when in use, sand is put into a feed hopper 105 and enters a screening box 101 through a feed port 104, a first rotating device 202 drives a second rotating shaft 204 to rotate, the second rotating shaft 204 drives a first rotating shaft 111 to rotate through a fourth transmission piece 301, a fifth transmission piece 302 and a sixth transmission piece 303 when rotating, the first rotating shaft 111 drives a driving piece 112 to rotate, the driving piece 112 pushes a screening plate 103 to rotate clockwise, the driving piece 112 continues to rotate until being separated from the screening plate 103, a first elastic piece 109 pushes a reset piece 107 to move upwards, the reset piece 107 pushes the screening plate 103 to rotate clockwise, so that the screening plate 103 is driven to rotate back and forth circularly, the screening plate 103 screens sand when rotating back and forth, large blocks of sand are screened out, small blocks of sand fall from a long hole 113, and the screened sand is discharged out of the screening box 101 from the first discharge port 102 when the screening plate 103 rotates back and forth, the rotating hand wheel 405 drives the screw rod 404 to rotate, the screw rod 404 is matched with the threads of the screening box 101 to drive the first sliding part 402 to move in the vertical direction, the first sliding part 402 limits the rotation range of the screening plate 103 through the elastic pad 403, so that the screening strength of the screening plate 103 is adjusted, the screening of sand is facilitated, the second rotating shaft 204 drives the third rotating shaft 207 to rotate clockwise through the third transmission part 206, the first transmission part 203 and the second transmission part 205, the second rotating shaft 204 and the third rotating shaft 207 respectively drive the rotating blades 208 to rotate clockwise, sand screened from the screening plate 103 is pushed out of the screening box 101 from the first discharge port 102, the rotating blades 208 dredge the long hole 113 in the screening plate 103 when rotating, the sand is prevented from being clamped in the long hole 113, the screening efficiency is improved, the second rotating device 506 drives the third bevel gear 507 to rotate, and the third bevel gear 507 drives the first bevel gear 503 and the second bevel gear 504 to be matched with the first bevel gear 503 and the second bevel gear 503 in a meshing manner to drive the first bevel gear 503 and the second bevel gear 503 to move in the vertical direction The second bevel gear 504 rotates reversely, the first bevel gear 503 and the second bevel gear 504 rotate reversely to drive the transmission rod 509 to move left and right, the transmission rod 509 drives the driving rod 508 to move left and right, the driving rod 508 drives the screening box 602 to move left and right in the third sliding groove 601, the screening box 602 screens sand for the second time through the screen 604, the turnover plate 603 is turned over to take out the screened sand, the second bevel gear 504 rotates to drive the fifth rotating shaft 505 to rotate, the fifth rotating shaft 505 drives the helical blade 702 to rotate, and the helical blade 702 sends the screened sand out of the screening box 101 from the discharge port 703.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a grit screening installation for building engineering, includes the screening case, its characterized in that still includes:
the screening device comprises a primary screening assembly, a dredging assembly, a transmission assembly, a reciprocating assembly, a secondary screening assembly and a screening plate, wherein a plurality of long holes for screening large gravels are formed in the screening plate, and the dredging assembly is connected with the long holes in a sliding manner;
the grit that the mediation subassembly blockked up in to the slot hole dredges through the pivoted mode, just the screening case is released through the bold grit that the pivoted mode will be sieved to the mediation subassembly, the mediation subassembly passes through the reciprocal rotation of the primary screening subassembly of transmission subassembly drive, the primary screening subassembly sieves the bold grit through the reciprocal pivoted mode, the reciprocating motion subassembly is used for driving the reciprocal rocking of secondary screening subassembly, the secondary screening subassembly carries out the secondary screening to the grit through the reciprocal mode of rocking.
2. The gravel screening device for constructional engineering as claimed in claim 1, wherein the dredging component comprises a second rotating shaft and a third rotating shaft which are rotatably connected to the screening box, a plurality of rotating blades are fixedly mounted on the second rotating shaft and the third rotating shaft respectively, the rotating blades are slidably connected with the long holes, a first transmission piece and a second transmission piece are fixedly mounted on the second rotating shaft and the third rotating shaft respectively, a third transmission piece is connected to the second transmission piece in a transmission manner, the third transmission piece is connected to the first transmission piece in a transmission manner, a support frame is fixedly mounted on the screening box, a first rotating device is fixedly mounted on the support frame, and the rotating end of the first rotating device is fixedly connected with the second rotating shaft.
3. The sand and stone screening device for building engineering as claimed in claim 2, wherein the transmission component comprises a fourth transmission member fixedly mounted on the second rotating shaft, a fifth transmission member is connected to the fourth transmission member in a transmission manner, a supporting seat is fixedly mounted on the side wall of the screening box, a first rotating shaft is connected to the supporting seat in a rotating manner, a sixth transmission member is fixedly mounted on the first rotating shaft, and the sixth transmission member is connected with the fifth transmission member in a transmission manner.
4. The gravel screening device for building engineering of claim 3, wherein the primary screening component comprises a first discharge port arranged on the screening box and an avoiding groove, the screening plate is rotatably connected in the first discharge port, the avoiding groove is internally provided with a first sliding groove, the first sliding groove is internally provided with a first elastic part, the first sliding groove is internally connected with a reset part in a sliding manner, and a driving part is fixedly arranged on the first rotating shaft.
5. The sand and stone screening device for the building engineering as claimed in claim 4, wherein the screening box is provided with an adjusting component, the adjusting component comprises a second chute arranged in the avoiding groove, a first sliding part is connected in the second chute in a sliding manner, an elastic cushion is fixedly installed at one end, close to the screening plate, of the first sliding part, the screening box is connected with a lead screw through threads, the other end of the first sliding part is rotatably connected with one end of the lead screw, a hand wheel is fixedly installed at the other end of the lead screw, and a fastening nut is connected with the lead screw through threads.
6. The sand and stone screening device for building engineering as claimed in claim 1, wherein the reciprocating component comprises a protective shell fixedly mounted on the screening box, a second rotating device is fixedly mounted on the protective shell, a third bevel gear is fixedly mounted at a rotating end of the second rotating device, a fourth rotating shaft and a fifth rotating shaft are rotatably connected to the protective shell, a first bevel gear and a second bevel gear are respectively fixedly mounted on the fourth rotating shaft and the fifth rotating shaft, the first bevel gear and the second bevel gear are respectively engaged with the third bevel gear, a driving rod is movably connected to the screening box, two transmission rods are slidably connected to one end of the driving rod, which is far away from the screening box, and the tail ends of the two transmission rods are respectively connected with the first bevel gear and the second bevel gear in a ball-joint manner.
7. The sand and stone screening device for building engineering as claimed in claim 6, wherein the secondary screening subassembly comprises a third sliding groove arranged on the inner side wall of the screening box, a screening box is connected in the third sliding groove in a sliding mode, a screen is fixedly installed in the screening box, the screening box is connected with the transmission rod in a rotating mode, and a turnover plate is connected on the screening box in a rotating mode.
8. The gravel screening device for constructional engineering as claimed in claim 6, wherein a discharging component is arranged in the screening box, the discharging component comprises an eighth driving medium fixedly mounted on a fifth rotating shaft, a discharging shaft is rotatably connected in the screening box, a helical blade is fixedly connected on the discharging shaft, a seventh driving medium is fixedly mounted at one end of the discharging shaft, the seventh driving medium is meshed with the eighth driving medium, and a discharging opening is formed in the screening box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237810.5A CN113680670A (en) | 2021-10-25 | 2021-10-25 | Grit screening equipment for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116078664A (en) * | 2023-04-12 | 2023-05-09 | 吉林铁道职业技术学院 | Rotatory sorting unit of grit |
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Application publication date: 20211123 |