CN107470129B - Sand screening equipment for building - Google Patents
Sand screening equipment for building Download PDFInfo
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- CN107470129B CN107470129B CN201710798709.4A CN201710798709A CN107470129B CN 107470129 B CN107470129 B CN 107470129B CN 201710798709 A CN201710798709 A CN 201710798709A CN 107470129 B CN107470129 B CN 107470129B
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- screen
- gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/005—Transportable screening plants
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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
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a sand screening device for buildings, which comprises a sand screening box, an electric push rod, a first screen, a second screen, a spring, a first gear, a second gear, an incomplete gear, a first rotating shaft, a first motor, a first helical gear, a second rotating shaft, a cross rod, a hairbrush, a reel and a second motor, wherein the first screen and the second screen can be used for carrying out multi-stage screening so as to meet different building operation requirements, the sand screening device is provided with the first motor, the first rotating shaft, the incomplete gear, the first gear, the second gear and the spring, the first screen and the second screen are continuously shaken through matching, the sand screening efficiency is improved, the first helical gear, the second rotating shaft, the cross rod and the hairbrush are arranged, the hairbrush continuously brushes the bottom of the first screen and the top of the second screen so as to avoid mesh blockage of the first screen and the second screen, further improved sieve husky efficiency, be equipped with electric putter, reel and second motor, the convenient ejection of compact.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to sand screening equipment for buildings.
Background
The sand is an essential basic raw material in the field of construction, various impurities such as broken stones, garbage and the like exist in the sand, sand grains in the sand are also classified into different grades, the purposes are different, and the required sand is different in grain size grade. Therefore, the sand needs to be screened before it can be used.
The existing sand screening equipment only has a primary sand screening function, cannot meet different building operation requirements, is easy to block a screen in a screening process, is low in sand screening efficiency, increases the labor intensity of workers and reduces the working efficiency.
Disclosure of Invention
The invention aims to provide a sand screening device for buildings, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sand sieving device for buildings comprises a sand sieving box, an incomplete gear, a first screen, a second screen and a cross bar, wherein a feed hopper is arranged at the top of the sand sieving box, a first L-shaped plate is fixed at the bottom of the sand sieving box, a second L-shaped plate is arranged below the first L-shaped plate, a hinge is connected between the first L-shaped plate and the short edge of the second L-shaped plate, rollers are arranged around the bottom surface of the long edge of the second L-shaped plate, the rollers are self-locking rollers, a threaded rod is arranged at the left part of the long edge of the second L-shaped plate in a penetrating manner and is in threaded connection with the second L-shaped plate, a spine part is arranged at the bottom end of the threaded rod, a rotating handle is fixed at the top end of the threaded rod, an electric push rod is fixed on the upper surface of the long edge of the second L-shaped plate, which is positioned on, the inner cavity of the screening sand box is provided with a first screen, a second screen is arranged below the first screen, the meshes of the first screen are larger than those of the second screen, supporting plates are arranged below two ends of the first screen and the second screen, springs are fixed at two ends of the bottoms of the first screen and the second screen, the other ends of the springs are connected with the supporting plates, a first traction rope is connected between two sides of the bottom of the first screen and two sides of the top of the second screen, the middle parts of the front side and the rear side of the first screen are rotatably connected with the side wall of the screening sand box through a first mounting shaft, a first gear is mounted on the shaft section of the front side first mounting shaft positioned outside the screening sand box, a second mounting shaft is fixed at the middle parts of the front side and the rear side of the second screen, the second mounting shaft is rotatably connected with the side wall of the screening sand box, a second gear is mounted on the shaft section of the front side second mounting shaft, the incomplete gear is meshed with the first gear and the second gear, two meshing teeth are arranged on the incomplete gear at intervals, the included angle between the two meshing teeth and the connecting line of the circle center is an obtuse angle, two meshing teeth are arranged on each incomplete gear, the incomplete gear is arranged on a first rotating shaft, the front end of the first rotating shaft is connected with an output shaft of a first motor through a coupler, the first motor is arranged on a third L-shaped plate, the rear end of the first rotating shaft penetrates through the side wall of the screening sand box and the side wall of the protection box and extends into the protection box, the first rotating shaft is rotatably connected with the side wall of the screening sand box and the side wall of the protection box, the rear end of the first rotating shaft is provided with a first helical gear, the first helical gear is meshed with a second helical gear, the second helical gear is arranged on a shaft section of the second rotating shaft, the top end and the bottom end of the second rotating shaft penetrate through the protection box and extend out of the, the other side of the cross bar is fixed with a hairbrush, the upper and lower hairbrushes are respectively contacted with the lower part of the first screen and the upper part of the second screen, a first baffle, a second baffle and a third baffle are sequentially arranged on the right side wall of the screening sand box from top to bottom, the first baffle is arranged on the right side of the first screen, the second baffle is arranged on the right side of the second screen, the third baffle is arranged on the lower part of the right side wall of the screening sand box, the bottom ends of the first baffle, the second baffle and the third baffle are respectively connected with the right side wall of the screening sand box through torsional springs, the height values of the first baffle, the second baffle and the third baffle are sequentially reduced, the first baffle, the second baffle and the third baffle are respectively connected with a second traction rope, a third traction rope and a fourth traction rope at the same height position from the torsional springs, the other ends of the second traction rope, the third traction rope and the fourth traction rope pass through a fixed pulley to be connected with a reel, the fixed pulley is arranged at the right angle of a second L, the reel is mounted on the output shaft of the second motor.
As a further scheme of the invention: the supporting plate is fixed on the inner wall of the sand screening box.
As a further scheme of the invention: and elastic flanges are connected between the two ends of the first screen and the second screen and the inner wall of the sand screening box.
As a further scheme of the invention: and a fixed rod is connected between the protection box and the inner wall of the left side of the sand sieving box.
As a further scheme of the invention: the brush is a soft brush.
As a further scheme of the invention: the second motor is installed at the bottom of the second L-shaped plate.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a first screen and a second screen, can carry out multi-stage screening to meet different building operation requirements, and is provided with a first motor, a first rotating shaft, an incomplete gear, a first gear, a second gear and a spring, wherein the first motor drives the first rotating shaft to rotate, the first rotating shaft drives the incomplete gear to rotate, the incomplete gear is alternately meshed with the first gear and the second gear so as to alternately drive the first gear and the second gear to rotate for a certain angle, the first gear and the second gear respectively drive the first screen and the second screen to rotate for a certain angle through a first mounting shaft and a second mounting shaft, and simultaneously under the action of the spring, after the incomplete gear is disengaged from the first gear and the second gear, the first screen and the second screen return to initial positions and shake, so that the sand screening efficiency is improved, and the sand screening device is provided with a first helical gear, a second helical gear, a first helical gear, a second helical gear, a, The sand screening device comprises a first L-shaped plate, a second L-shaped plate, an electric push rod, a first baffle plate, a second baffle plate, a third baffle plate, a second traction rope, a third traction rope, a fourth traction rope, a winding wheel and a second motor, the extension of the electric push rod is controlled, so that the first L-shaped plate is driven to rotate under the action of a hinge through the matching of a sliding block and a sliding groove, the sand screening box is inclined rightwards, and discharging is facilitated, the second motor is started to rotate clockwise simultaneously, the second motor drives the reel to rotate, the reel is used for simultaneously opening the first baffle plate, the second baffle plate and the third baffle plate by tensioning the second traction rope and the fourth traction rope and inclining the first baffle plate by a proper angle, the first baffle plate, the second baffle plate and the third baffle plate are parallel to each other, and because the first baffle plate, the second baffle plate and the third baffle plate are different in length, the positions of sands with different particle sizes falling to the ground are different, and the sands are placed in a piling manner to meet the requirements of different building operations.
Drawings
Fig. 1 is a schematic structural diagram of a sand screening device for buildings.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic structural diagram of a cross bar in the sand screening device for buildings.
In the figure: 1-second L-shaped plate, 2-threaded rod, 3-electric push rod, 4-sliding chute, 5-sliding block, 6-first L-shaped plate, 7-screening sand box, 8-second gear, 9-second screen, 10-brush, 11-cross rod, 12-first traction rope, 13-supporting plate, 14-spring, 15-elastic flange, 16-first screen, 17-first gear, 18-feed hopper, 19-first baffle, 20-torsion spring, 21-first motor, 22-incomplete gear, 23-third L-shaped plate, 24-second baffle, 25-second traction rope, 26-third traction rope, 27-third baffle, 28-fourth traction rope, 29-hinge, 30-fixed pulley, 31-roller, 32-reel, 33-first shaft, 34-protective box, 35-second shaft, 36-first bevel gear, 37-second bevel gear, 38-second motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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, in the embodiment of the invention, a sand sieving device for buildings comprises a sand sieving box 7, an incomplete gear 22, a first screen 16, a second screen 9 and a cross bar 11, wherein a feed hopper 18 is arranged at the top of the sand sieving box 7, a first L-shaped plate 6 is fixed at the bottom of the sand sieving box 7, a second L-shaped plate 1 is arranged below the first L-shaped plate 6, a hinge 29 is connected between the first L-shaped plate 6 and the short side of the second L-shaped plate 1, rollers 31 are arranged around the bottom of the long side of the second L-shaped plate 1, the rollers 31 are self-locking rollers, which facilitate the movement of the device, a threaded rod 2 is arranged at the left part of the long side of the second L-shaped plate 1 in a penetrating manner, the threaded rod 2 is in threaded connection with the second L-shaped plate 1, a sharp part is arranged at the bottom end of the threaded rod 2, a rotating handle is fixed at the top end of, the stability is kept, an electric push rod 3 is fixed on the upper surface of the long edge of the second L-shaped plate 1 and positioned on the right side of the threaded rod 2, a sliding block 5 is hinged at the top end of a telescopic rod of the electric push rod 3, the sliding block 5 is in sliding connection with the bottom of the long edge of the first L-shaped plate 6, a sliding chute 4 in sliding fit with the sliding block 5 is formed in the bottom of the first L-shaped plate 6, a first screen 16 is arranged in an inner cavity of the screening sand box 7, a second screen 9 is arranged below the first screen 16, the mesh of the first screen 16 is larger than that of the second screen 9, supporting plates 13 are arranged below the two ends of the first screen 16 and the second screen 9, the supporting plates 13 are fixed on the inner wall of the screening sand box 7, springs 14 are fixed at the two ends of the bottoms of the first screen 16 and the second screen 9, the other ends of the springs 14 are connected with the supporting plates 13, first traction ropes 12 are connected between the two sides of the bottom of the first, the middle parts of the front side and the rear side of a first screen 16 are rotationally connected with the side wall of a screening sand box 7 through first mounting shafts, the first mounting shaft of the front side is arranged on a shaft section of the first mounting shaft of the front side positioned outside the screening sand box 7 and is provided with a first gear 17, the middle parts of the front side and the rear side of a second screen 9 are fixed with second mounting shafts, the second mounting shafts are rotationally connected with the side wall of the screening sand box 7, the shaft section of the second mounting shaft of the front side positioned outside the screening sand box 7 is provided with a second gear 8, an incomplete gear 22 is arranged between the first gear 17 and the second gear 8, the incomplete gear 22 is meshed with the first gear 17 and the second gear 8, two meshing teeth are arranged on the incomplete gear 22 at intervals, the included angle between the two meshing teeth and the connecting line of the circle center is an obtuse angle, each meshing tooth is two, the incomplete gear 22 is arranged on the first rotating shaft 33, the front end of the first rotating shaft 33 is connected with the, the rear end of a first rotating shaft 33 penetrates through the side wall of the sand screening box 7 and the side wall of the protection box 34 and extends into the protection box 34, the first rotating shaft 33 is rotatably connected with the side wall of the sand screening box 7 and the side wall of the protection box 34, a first helical gear 36 is installed at the rear end of the first rotating shaft 33, the first helical gear 36 is meshed with a second helical gear 37, the second helical gear 37 is installed on a shaft section of a second rotating shaft 35 positioned inside the protection box 34, the top end and the bottom end of the second rotating shaft 35 both penetrate through the protection box 34 and extend to the outside of the protection box 34, a fixed rod is connected between the protection box 34 and the left inner wall of the sand screening box 7, cross rods 11 are fixed at the top end and the bottom end of the second rotating shaft 35, brushes 10 are fixed at the other side of the cross rods 11, the brushes 10 are soft brushes, the upper brushes 10 and the lower brushes 10 are respectively contacted with the lower part of the first screen, the first rotating shaft 33 drives the incomplete gear 22 to rotate, the incomplete gear 22 is meshed with the first gear 17 and the second gear 8 alternately, so as to drive the first gear 17 and the second gear 8 to rotate for a certain angle alternately, the first gear 17 and the second gear 8 drive the first screen 16 and the second screen 9 to rotate for a certain angle through the first installation shaft and the second installation shaft respectively, the first screen 16 and the second screen 9 are linked under the action of the first traction rope 12, and simultaneously, under the action of the spring 14, after the incomplete gear 22 is disengaged from the first gear 17 and the second gear 8, the first screen 16 and the second screen 9 return to the initial positions, so that the first screen 16 and the second screen 9 shake, the sand screening efficiency is improved, meanwhile, the first rotating shaft 33 drives the first helical gear 36 to rotate, the first helical gear 36 drives the second helical gear 37 to rotate, the second helical gear 37 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 drives the cross rods 11 at the upper end and the lower end to rotate, the cross rods 11 drive the brushes 10 to rotate, the brushes 10 continuously brush the bottom of the first screen 16 and the top of the second screen 9 to avoid the blockage of meshes of the first screen 16 and the second screen 9, the brushes 10 are soft brushes which do not interfere with each other when the first screen 16 and the second screen 9 shake, the sand screening efficiency is further improved, a first baffle plate 19, a second baffle plate 24 and a third baffle plate 27 are sequentially arranged on the right side wall of the sand screening box 7 from top to bottom, the first baffle plate 19 is arranged on the right side of the first screen 16, the second baffle plate 24 is arranged on the right side wall of the second screen 9, the third baffle plate 27 is arranged on the lower portion of the right side wall of the sand screening box 7, the bottom ends of the first baffle plate 19, the second baffle plate 24 and the third baffle plate 27 are connected with the right side wall of the sand screening box 7 through torsion springs 20, the height values of the first baffle plate 19, the second baffle plate 24 and the third baffle plate 27 are sequentially reduced, the first baffle plate 19, the second baffle plate 24 and the third baffle plate 27 are respectively connected with a second traction rope 25, a third traction rope 26 and a fourth traction rope 28 at the same height position away from the torsion spring 20, the other ends of the second traction rope 25, the third traction rope 26 and the fourth traction rope 28 penetrate through a fixed pulley 30 to be connected with a reel 32, the fixed pulley 30 is installed at the right angle position of the second L-shaped plate 1, the reel 32 is installed on an output shaft of a second motor 38, the second motor 38 is installed at the bottom of the second L-shaped plate 1, after screening is finished, the extension of a telescopic rod of the electric push rod 3 is controlled, so that the first L-shaped plate 6 is driven to rotate clockwise under the action of a hinge 29 through the matching of a sliding block 5 and a sliding groove 4, the sand screening box 7 is inclined rightwards, the second motor 38 is started to rotate clockwise, the second motor 38 drives the reel 32 to rotate, and the reel 32 simultaneously pulls the first baffle plate 19, the third traction rope 26 and the fourth traction rope 28, The second baffle plate 24 and the third baffle plate 27 are opened and inclined at proper angles, the first baffle plate 19, the second baffle plate 24 and the third baffle plate 27 are parallel to each other, and because the lengths of the first baffle plate 19, the second baffle plate 24 and the third baffle plate 27 are different, the positions of sands with different grain sizes falling to the ground are different, and the sands are placed in a piling manner to meet different building operation requirements.
The working principle of the invention is as follows: when the sand screening machine is used, sand is added into a sand screening box 7 from a feed hopper 18, a first motor 21 is started, the first motor 21 drives a first rotating shaft 33 to rotate, the first rotating shaft 33 drives an incomplete gear 22 to rotate, the incomplete gear 22 is alternately meshed with a first gear 17 and a second gear 8 so as to alternately drive the first gear 17 and the second gear 8 to rotate for a certain angle, the first gear 17 and the second gear 8 respectively drive a first screen 16 and a second screen 9 to rotate for a certain angle through a first mounting shaft and a second mounting shaft, the first screen 16 and the second screen 9 are linked under the action of a first traction rope 12, and simultaneously under the action of a spring 14, after the incomplete gear 22 is disengaged with the first gear 17 and the second gear 8, the first screen 16 and the second screen 9 return to the initial positions, so that the first screen 16 and the second screen 9 shake, the sand screening efficiency is improved, meanwhile, the first rotating shaft 33 drives the first helical gear 36 to rotate, the first helical gear 36 drives the second helical gear 37 to rotate, the second helical gear 37 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 drives the cross rods 11 at the upper end and the lower end of the second rotating shaft to rotate, the cross rods 11 drive the hairbrush 10 to rotate, the hairbrush 10 continuously brushes the bottom of the first screen 16 and the top of the second screen 9 to avoid mesh blockage of the first screen 16 and the second screen 9, the hairbrush 10 is a soft hairbrush, mutual interference is avoided when the first screen 16 and the second screen 9 shake, the sand screening efficiency is improved, after screening is finished, the extension rod of the electric push rod 3 is controlled to extend, so that the first L-shaped plate 6 is driven to rotate clockwise under the action of the hinge 29 through the matching of the sliding block 5 and the sliding groove 4, the sand screening box 7 inclines rightwards, discharging is convenient, the second motor 38 is started to rotate clockwise, and the, the reel 32 simultaneously opens the first baffle 19, the second baffle 24 and the third baffle 27 and inclines at a proper angle by tensioning the second traction rope 25, the third traction rope 26 and the fourth traction rope 28, the first baffle 19, the second baffle 24 and the third baffle 27 are parallel to each other, and because the lengths of the first baffle 19, the second baffle 24 and the third baffle 27 are different, the positions of sands with different grain sizes falling to the ground are different, and the sands are placed in piles to meet different building operation requirements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a screening sand equipment for building, includes screening sand case (7), incomplete gear (22), first screen cloth (16), second screen cloth (9) and cross bar (11), a serial communication port, screening sand case (7) top is equipped with feeder hopper (18), screening sand case (7) bottom is fixed with first L template (6), first L template (6) below is equipped with second L template (1), be connected with hinge (29) between first L template (6) and second L template (1) minor face, gyro wheel (31) are installed all around to the long limit bottom surface of second L template (1), gyro wheel (31) are from locking-type gyro wheel, threaded rod (2) are worn to be equipped with in the long limit left part of second L template (1), threaded rod (2) and second L template (1) threaded connection, threaded rod (2) bottom is equipped with spine portion, threaded rod (2) top is fixed with the rotation handle, the long limit upper surface of second L template (1) is located threaded rod (2) right side and is fixed with electric putter (3) The top end of a telescopic rod of the electric push rod (3) is hinged with a sliding block (5), the sliding block (5) is connected with the bottom of the long edge of a first L-shaped plate (6) in a sliding manner, the bottom of the first L-shaped plate (6) is provided with a sliding chute (4) in sliding fit with the sliding block (5), the inner cavity of the sand sieving box (7) is provided with a first screen (16), a second screen (9) is arranged below the first screen (16), the meshes of the first screen (16) are larger than those of the second screen (9), supporting plates (13) are respectively arranged below the two ends of the first screen (16) and the second screen (9), springs (14) are respectively fixed at the two ends of the bottoms of the first screen (16) and the second screen (9), the other ends of the springs (14) are connected with the supporting plates (13), a first traction rope (12) is connected between the two sides of the bottom of the first screen (16) and the two sides of the top of the second screen (9), the middle parts of the front side, a first gear (17) is arranged on a shaft section of a first mounting shaft at the front side, which is positioned outside a sand screening box (7), second mounting shafts are fixed in the middle parts of the front side and the rear side of a second screen (9), the second mounting shafts are rotatably connected with the side wall of the sand screening box (7), a second gear (8) is arranged on a shaft section of the second mounting shaft at the front side, which is positioned outside the sand screening box (7), an incomplete gear (22) is arranged between the first gear (17) and the second gear (8), the incomplete gear (22) is meshed with the first gear (17) and the second gear (8), two meshing teeth are arranged on the incomplete gear (22) at intervals, an included angle between each meshing tooth and a connecting line of the circle center is an obtuse angle, two meshing teeth are arranged at each position, the incomplete gear (22) is arranged on a first rotating shaft (33), the front end of the first rotating shaft (33) is connected with an output shaft of a first motor (21) through a, the first motor (21) is arranged on the third L-shaped plate (23), the rear end of the first rotating shaft (33) penetrates through the side wall of the screening sand box (7) and the side wall of the protection box (34) and extends into the protection box (34), the first rotating shaft (33) is rotatably connected with the side wall of the screening sand box (7) and the side wall of the protection box (34), the first helical gear (36) is arranged at the rear end of the first rotating shaft (33), the first helical gear (36) is meshed with the second helical gear (37), the second helical gear (37) is arranged on a shaft section of the second rotating shaft (35) which is positioned in the protection box (34), the top end and the bottom end of the second rotating shaft (35) both penetrate through the protection box (34) and extend to the outside of the protection box (34), the top end and the bottom end of the second rotating shaft (35) are both fixedly provided with the cross rod (11), the other side of the cross rod (11) is fixedly provided with the hairbrush (10), and the upper and lower hairbrushes (10) are respectively contacted, the screening sand box is characterized in that a first baffle plate (19), a second baffle plate (24) and a third baffle plate (27) are sequentially arranged on the right side wall of the screening sand box (7) from top to bottom, the first baffle plate (19) is arranged on the right side of the first screen (16), the second baffle plate (24) is arranged on the right side of the second screen (9), the third baffle plate (27) is arranged on the lower portion of the right side wall of the screening sand box (7), the bottom ends of the first baffle plate (19), the second baffle plate (24) and the third baffle plate (27) are connected with the right side wall of the screening sand box (7) through torsion springs (20), the height values of the first baffle plate (19), the second baffle plate (24) and the third baffle plate (27) are sequentially reduced, the first baffle plate (19), the second baffle plate (24) and the third baffle plate (27) are respectively connected with a second traction rope (25), a third traction rope (26) and a fourth traction rope (28), and the second traction rope (25) is arranged at the same height position from the torsion springs (20), The other ends of the third traction rope (26) and the fourth traction rope (28) penetrate through a fixed pulley (30) to be connected with a winding wheel (32), the fixed pulley (30) is installed at the right angle of the second L-shaped plate (1), and the winding wheel (32) is installed on an output shaft of a second motor (38).
2. A screening apparatus for construction sand according to claim 1 wherein the support plate (13) is fixed to the inner wall of the screening box (7).
3. The sand screening device for buildings according to claim 1, wherein an elastic rib (15) is connected between both ends of the first screen (16) and the second screen (9) and the inner wall of the sand screening box (1).
4. The sand screening device for buildings according to claim 1, wherein a fixing rod is connected between the protection box (34) and the inner wall of the left side of the sand screening box (7).
5. The architectural sand screening apparatus of claim 1, wherein the brushes (10) are pappus brushes.
6. The architectural sand screening apparatus of claim 1 wherein the second motor (38) is mounted to the bottom of the second L-shaped panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798709.4A CN107470129B (en) | 2017-09-07 | 2017-09-07 | Sand screening equipment for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798709.4A CN107470129B (en) | 2017-09-07 | 2017-09-07 | Sand screening equipment for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470129A CN107470129A (en) | 2017-12-15 |
| CN107470129B true CN107470129B (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710798709.4A Active CN107470129B (en) | 2017-09-07 | 2017-09-07 | Sand screening equipment for building |
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| Country | Link |
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| CN (1) | CN107470129B (en) |
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| CN108080265A (en) * | 2017-12-27 | 2018-05-29 | 郑州默尔电子信息技术有限公司 | A kind of Chinese medicinal granule two level screening plant |
| CN108580256B (en) * | 2018-04-26 | 2020-08-25 | 安徽谦源项目管理有限公司 | Building engineering is with screening sand device of taking brush roll |
| CN108525993B (en) * | 2018-04-26 | 2020-08-18 | 河北地质大学 | Screening sand device for building engineering |
| CN108714557A (en) * | 2018-05-17 | 2018-10-30 | 吴彬涛 | A kind of livestock feed production multistage screening storage device |
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