CN108525993B - Screening sand device for building engineering - Google Patents
Screening sand device for building engineering Download PDFInfo
- Publication number
- CN108525993B CN108525993B CN201810386576.4A CN201810386576A CN108525993B CN 108525993 B CN108525993 B CN 108525993B CN 201810386576 A CN201810386576 A CN 201810386576A CN 108525993 B CN108525993 B CN 108525993B
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- Prior art keywords
- sleeve
- sand screening
- motor
- gear
- sand
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
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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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a sand screening device for construction engineering, which comprises a bottom plate, a screen, a sand screening box, a second motor, a second threaded rod, a second sleeve, a connecting rod, a third motor, a crankshaft, a connecting rod, a rotating shaft, a fourth motor, a third gear, a fourth gear, a spring, a stirring rod, a breaking ball, a conical material separating plate, a magnet and an iron sheet, wherein the sand screening device is provided with the first motor, the first gear, the second gear, the first sleeve and the first threaded rod, the whole device is fixed, equipment damage and safety accidents caused by the toppling of the device are avoided, the second motor, the second sleeve, the second threaded rod and the connecting rod are arranged, the sand screening box is inclined, the discharging is convenient, the sand agglomerated due to moisture is broken, the screening efficiency is prevented from being influenced, meanwhile, the conical material separating plate uniformly throws the fallen sand to the periphery, the sand is sufficiently and uniformly screened, and the screen is prevented from being accumulated at one position of the screen, the screening speed is slowed down, and the magnetic iron sheet, the iron sheet and the spring are arranged, so that the screen is shaken violently, and the screening efficiency is improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering equipment, in particular to a sand screening device for constructional engineering.
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 sand screening machines in the current market are more and basically same and different, because the sand is mixed with soil and is easy to agglomerate in rainy days, the sand screening effect on the common sand screening machine is not good, and the yellow sand is taken out from the river bottom and contains more water, if the yellow sand hits rainy seasons, the meshes of the screen of the common sand screening machine are easy to be blocked, and a shovel can be screened out only by spreading three or five shovels, so that the sand screening efficiency is lower, and the quantity can not meet the use requirement.
Disclosure of Invention
The invention aims to provide a sand screening device for constructional engineering, 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 screening device for constructional engineering comprises a bottom plate and a screen, wherein four corners of the bottom plate are respectively provided with a roller, two sides of the bottom plate are respectively provided with a first threaded rod in a penetrating manner, the first threaded rods are in threaded connection with the bottom plate, sharp spine parts are welded at the bottom ends of the first threaded rods, a first sleeve is sleeved outside the first threaded rods below the bottom plate and is rotatably connected with the lower surface of the bottom plate through a bearing seat, the lower parts of the first threaded rods are provided with splines, the inner walls of the first sleeves are provided with spline grooves matched with the splines, the first sleeves at two sides of the bottom plate are respectively provided with a belt pulley, a belt is connected between the two belt pulleys, one side of the bottom plate is provided with a first motor through a bolt, the end part of an output shaft of the first motor is provided with a first gear, the first sleeve at one side, a support rod is arranged on one side of the upper surface of the bottom plate, the top end of the support rod is hinged with the bottom of one side of the sand screening box, a second motor is arranged on the other side of the upper surface of the bottom plate through a bolt, an output shaft of the second motor is fixedly connected with a second threaded rod through a coupler, the second threaded rod is rotatably arranged on the two supporting plates through a bearing, a second sleeve is sleeved outside the second threaded rod and is in threaded connection with the second threaded rod, a connecting rod is hinged to the top of the second sleeve, the other end of the connecting rod is hinged with the other side of the bottom of the sand screening box, a mounting frame is fixed in the middle of the top of the sand screening box, a third motor is arranged on one side of the upper surface of the mounting frame through a bolt, an output shaft of the third motor is connected with a crankshaft through a coupler, the other end of the connecting rod is hinged with a mounting plate, the bottom end of the mounting plate is rotatably provided with a rotating shaft through a bearing seat, the other end of the rotating shaft penetrates through the top of the sand screening box and extends into the sand screening box, the top of the sand screening box is positioned outside the rotating shaft and is sleeved with a fourth sleeve, the outer wall of the rotating shaft is provided with a spline, the inner wall of the fourth sleeve is provided with a spline groove matched with the spline, the fourth sleeve is rotatably connected with the top of the sand screening box through the bearing seat, the top of the sand screening box is positioned on one side of the fourth sleeve and is provided with a fourth motor through a bolt, the end part of an output shaft of the fourth motor is provided with a third gear, the fourth sleeve is provided with a fourth gear, the fourth gear is meshed with the third gear, the upper part of an inner cavity of the sand screening box is provided with a crushing cavity, the lower part of the inner cavity of the, the pivot is located to hit and is fixed with the puddler on the axial segment of garrulous intracavity, the puddler other end is fixed with hits garrulous ball, hit garrulous chamber bottom and be equipped with the export, it is equipped with the toper branch flitch to lie in the export below in the pivot, the extension board is installed through the bearing rotation in the pivot bottom, magnet is installed to the extension board bottom, it installs the iron sheet to lie in the magnet below on the screen cloth, it is equipped with first discharging pipe to sieve sandbox lie in bracing piece one side, it is equipped with the second discharging pipe to sieve sandbox bottom portion to lie in first discharging pipe below, the.
As a further scheme of the invention: the rollers are self-locking rollers.
As a further scheme of the invention: and feed hoppers are arranged on two sides of the top end of the sand screening box.
As a further scheme of the invention: the smashing ball is made of rubber.
As a further scheme of the invention: and valves are respectively arranged on the first discharge pipe and the second discharge pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a first motor, a first gear, a second gear, a first sleeve and a first threaded rod, wherein the first motor drives the first gear to rotate, the first gear drives the first sleeve to rotate through the second gear, the second sleeve drives the first threaded rod to rotate through the matching of a spline and a spline groove, two first threaded rods synchronously move downwards under the matching of a belt pulley and a belt to penetrate into the ground to fix the whole device, and equipment damage and safety accidents caused by the toppling of the device are avoided A fourth gear and a conical material separating plate, wherein a fourth motor drives a third gear to rotate, the third gear drives a fourth sleeve to rotate through the fourth gear, the fourth sleeve drives a rotating shaft to rotate through the matching of a spline and a spline groove, the rotating shaft drives a stirring rod and a crushing ball to rotate, so that the sand agglomerated due to moisture can be crushed, the influence on the screening efficiency is avoided, meanwhile, the conical material separating plate uniformly throws the falling sand to the periphery to perform sufficiently uniform screening to prevent a sieve from being accumulated at one part of a screen, the screening speed is reduced, meanwhile, the third motor drives a crankshaft to rotate, the crankshaft drives the third sleeve to rotate, the third sleeve drives the rotating shaft to move up and down through a connecting rod, the rotating shaft drives the crushing ball to move up and down, so that the crushing is more sufficient, and the magnetic iron sheet and the spring are arranged, the screen is driven to move up through the attraction between the magnetic iron sheet until the tension of the spring is greater than the attraction between the magnetic, the magnet is separated from the iron sheet, so that the screen mesh moves downwards quickly and shakes violently, and the screening efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a sand sieving device for construction engineering.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of fig. 1 at B.
In the figure: 1-bottom plate, 2-first threaded rod, 3-second discharging pipe, 4-sand screening box, 5-second discharging pipe, 6-screen mesh, 7-conical material separating plate, 8-crushing cavity, 9-crushing ball, 10-feed hopper, 11-third motor, 12-crankshaft, 13-connecting rod journal, 14-third sleeve, 15-connecting rod, 16-mounting plate, 17-fourth gear, 18-fourth sleeve, 19-stirring rod, 20-third gear, 21-fourth motor, 22-rotating shaft, 23-magnet, 24-iron sheet, 25-spring, 26-connecting rod, 27-first sleeve, 28-roller, 29-belt, 30-belt pulley, 31-second gear, 32-first gear, 33-first motor, 34-second motor, 35-second sleeve, 36-second threaded rod.
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 to 3, in the embodiment of the present invention, a sand sieving device for building engineering comprises a bottom plate 1 and a screen 6, wherein four corners of the bottom plate 1 are respectively provided with a roller 28, the roller 28 is a self-locking roller, two sides of the bottom plate 1 are respectively provided with a first threaded rod 2, the first threaded rod 2 is in threaded connection with the bottom plate 1, the bottom end of the first threaded rod 2 is welded with a sharp thorn portion, a first sleeve 27 is sleeved outside the first threaded rod 2 below the bottom plate 1, the first sleeve 27 is rotatably connected with the lower surface of the bottom plate 1 through a bearing seat, the lower portion of the first threaded rod 2 is provided with a spline, the inner wall of the first sleeve 27 is provided with a spline groove matched with the spline, the first sleeve 27 on two sides of the bottom plate 1 is provided with belt pulleys 30, a belt 29 is connected between the two belt pulleys 30, one side of the bottom, a second gear 31 is arranged on the first sleeve 27 at one side of a first motor 33, the second gear 31 is meshed with the first gear 32, the first motor 33 is started, the first gear 32 is driven by the first motor 33 to rotate, the first gear 32 drives the first sleeve 27 to rotate through the second gear 31, the second sleeve 27 drives the first threaded rod 2 to rotate through the matching of a spline and a spline groove, two first threaded rods 2 synchronously move downwards under the matching of a belt pulley 30 and a belt 29 to pierce the ground to fix the whole device, the damage and safety accidents of equipment caused by the falling of the device are avoided, a sand screening box 4 is arranged above the bottom plate 1, a supporting rod is arranged at one side of the upper surface of the bottom plate 1, the top end of the supporting rod is hinged with the bottom of one side of the sand screening box 4, a second motor 34 is arranged at the other side of the upper surface of the bottom plate 1 through a bolt, and the output shaft of the second motor 34, the second threaded rod 36 is rotatably installed on the two supporting plates through a bearing, a second sleeve 35 is sleeved outside the second threaded rod 36, the second sleeve 35 is in threaded connection with the second threaded rod 36, the top of the second sleeve 35 is hinged with the connecting rod 26, the other end of the connecting rod 26 is hinged with the other side of the bottom of the sand screening box 4, the second motor 34 is started, the second motor 34 drives the second threaded rod 36 to rotate, the second threaded rod 36 drives the second sleeve 35 to rotate, the second sleeve 35 drives the connecting rod 26 to move, the connecting rod 26 drives the sand screening box 4 to rotate around the top end of the supporting rod, so that the sand screening box 4 is inclined and convenient to discharge, the feeding hoppers 10 are respectively arranged on two sides of the top end of the sand screening box 4, the mounting frame is fixed in the middle of the top of the sand screening box 4, the third motor 11 is installed on one side of the upper surface of the mounting frame through a, a connecting rod journal 13 is arranged on the crankshaft 12, a third sleeve 14 is sleeved outside the connecting rod journal 13, a connecting rod 15 is fixed on the outer wall of the third sleeve 14, the other end of the connecting rod 15 is hinged with a mounting plate 16, the bottom end of the mounting plate 16 is rotatably mounted with a rotating shaft 22 through a bearing seat, the other end of the rotating shaft 22 penetrates through the top of the sand screening box 4 and extends into the sand screening box 4, a fourth sleeve 18 is sleeved on the top of the sand screening box 4, which is positioned outside the rotating shaft 22, a spline is arranged on the outer wall of the rotating shaft 22, a spline groove matched with the spline is arranged on the inner wall of the fourth sleeve 18, the fourth sleeve 18 is rotatably connected with the top of the sand screening box 4 through the bearing seat, a fourth motor 21 is mounted on one side of the fourth sleeve 18 through a bolt, a third gear 20 is mounted on the end part of an output shaft of the fourth motor 21, a fourth gear 17 is mounted on the fourth sleeve 18, the, a screen 6 is arranged at the lower part of an inner cavity of the sand screening box 4, a rubber strip is connected between the side wall of the screen 6 and the side wall of the sand screening box 4 to prevent sand from leaking, a spring 25 is fixed at the bottom of the screen 6, the other end of the spring 25 is fixedly connected with a fixed block, the fixed block is welded on the inner wall of the sand screening box 4, a stirring rod 19 is fixed on a shaft section of the rotating shaft 22 positioned in the crushing cavity 8, a crushing ball 9 is fixed at the other end of the stirring rod 19, the crushing ball 9 is made of rubber, an outlet is arranged at the bottom of the crushing cavity 8, a conical material separating plate 7 is arranged on the rotating shaft 22 and below the outlet, a support plate is rotatably arranged at the bottom end of the rotating shaft 22 through a bearing, a magnet 23 is arranged at the bottom end of the support plate, an iron sheet 24 is arranged on the screen 6 and below the magnet 23, a first discharging pipe 5 is arranged on one side of the support, valves are respectively arranged on the first discharging pipe 5 and the second discharging pipe 3, a third motor 11 and a fourth motor 21 are started, the fourth motor 21 drives a third gear 20 to rotate, the third gear 20 drives a fourth sleeve 18 to rotate through a fourth gear 17, the fourth sleeve 18 drives a rotating shaft 22 to rotate through the matching of splines and spline grooves, the rotating shaft 22 drives a stirring rod 19 and crushing balls 9 to rotate, so that sand agglomerated due to moisture can be crushed, the influence on the screening efficiency is avoided, meanwhile, the conical material distributing plate 7 uniformly throws the fallen sand around to perform sufficient and uniform screening, the sieve is prevented from being accumulated at one part of the screen 6, the screening speed is reduced, meanwhile, the third motor 11 drives a crankshaft 12 to rotate, the crankshaft 12 drives a third sleeve 14 to rotate, the third sleeve 14 drives the rotating shaft 22 to move up and down through a connecting rod 15, the rotating shaft 22 drives the crushing balls 9 to move up and down, so that the crushing is more sufficient, meanwhile, the screen 6 is driven to move upwards by the attraction between the magnet 23 and the iron sheet 24 until the pulling force of the spring 25 is greater than the attraction between the magnet 23 and the iron sheet 24, and the magnet 23 is separated from the iron sheet 24, so that the screen 6 moves downwards quickly and shakes violently, and the screening efficiency is improved.
The working principle of the invention is as follows: when the device is used, the device is moved to a proper position, the first motor 33 is started, the first motor 33 drives the first gear 32 to rotate, the first gear 32 drives the first sleeve 27 to rotate through the second gear 31, the second sleeve 27 drives the first threaded rod 2 to rotate through the matching of the spline and the spline groove, the two first threaded rods 2 synchronously move downwards under the matching of the belt pulley 30 and the belt 29 to penetrate into the ground to fix the whole device, the damage and safety accidents of equipment caused by the toppling of the device are avoided, then sand is added into the sand screening box 4 from the feed hopper 10, the third motor 11 and the fourth motor 21 are started, the fourth motor 21 drives the third gear 20 to rotate, the third gear 20 drives the fourth sleeve 18 to rotate through the fourth gear 17, the fourth sleeve 18 drives the rotating shaft 22 to rotate through the matching of the spline and the spline groove, the rotating shaft 22 drives the stirring rod 19 and the breaking ball 9 to rotate, therefore, the sand agglomerated due to moisture can be smashed, the influence on the screening efficiency is avoided, meanwhile, the conical material distributing plate 7 uniformly throws the fallen sand to the periphery, the full and uniform screening is carried out, the sieve is prevented from being accumulated at one position of the screen 6, the screening speed is reduced, meanwhile, the third motor 11 drives the crankshaft 12 to rotate, the crankshaft 12 drives the third sleeve 14 to rotate, the third sleeve 14 drives the rotating shaft 22 to move up and down through the connecting rod 15, the rotating shaft 22 drives the crushing ball 9 to move up and down, the crushing is more full, meanwhile, the screen 6 is driven to move up through the attraction force between the magnet 23 and the iron sheet 24 until the pulling force of the spring 25 is larger than the attraction force between the magnet 23 and the iron sheet 24, the magnet 23 is separated from the iron sheet 24, the screen 6 moves down quickly to shake, the screening efficiency is improved, after the sand screening is finished, the second motor 34 is started, the second motor 34 drives the second threaded, the second threaded rod 36 drives the second sleeve 35 to rotate, the second sleeve 35 drives the connecting rod 26 to move, and the connecting rod 26 drives the sand screening box 4 to rotate around the top end of the supporting rod, so that the sand screening box 4 is inclined, and discharging is facilitated.
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 (5)
1. The sand screening device for the building engineering comprises a bottom plate (1) and a screen (6), and is characterized in that idler wheels (28) are mounted at four corners of the bottom plate (1), first threaded rods (2) are arranged on two sides of the bottom plate (1) in a penetrating mode, the first threaded rods (2) are in threaded connection with the bottom plate (1), spine parts are welded at the bottom ends of the first threaded rods (2), first sleeves (27) are sleeved outside the first threaded rods (2) below the bottom plate (1), the first sleeves (27) are rotatably connected with the lower surface of the bottom plate (1) through bearing seats, splines are arranged at the lower parts of the first threaded rods (2), spline grooves matched with the splines are formed in the inner walls of the first sleeves (27), belt pulleys (30) are mounted on the first sleeves (27) on two sides of the bottom plate (1), a belt (29) is connected between the two belt pulleys (30), a first motor (33) is mounted on one side of the, a first gear (32) is installed at the end part of an output shaft of a first motor (33), a second gear (31) is installed on a first sleeve (27) on one side of the first motor (33), the second gear (31) is meshed with the first gear (32), a sand screening box (4) is arranged above a bottom plate (1), a support rod is arranged on one side of the upper surface of the bottom plate (1), the top end of the support rod is hinged with the bottom of one side of the sand screening box (4), a second motor (34) is installed on the other side of the upper surface of the bottom plate (1) through a bolt, a second threaded rod (36) is fixedly connected with the output shaft of the second motor (34) through a coupler, the second threaded rod (36) is rotatably installed on two support plates through a bearing, a second sleeve (35) is sleeved outside the second threaded rod (36), the second sleeve (35) is in threaded connection with the second threaded rod (36), and a connecting rod (, the other end of the connecting rod (26) is hinged with the other side of the bottom of the sand screening box (4), a mounting frame is fixed in the middle of the top of the sand screening box (4), a third motor (11) is installed on one side of the upper surface of the mounting frame through a bolt, an output shaft of the third motor (11) is connected with a crankshaft (12) through a coupling, the other end of the crankshaft (12) is rotatably connected with the mounting frame through a bearing seat, a connecting rod journal (13) is arranged on the crankshaft (12), a third sleeve (14) is sleeved outside the connecting rod journal (13), a connecting rod (15) is fixed on the outer wall of the third sleeve (14), a mounting plate (16) is hinged to the other end of the connecting rod (15), a rotating shaft (22) is rotatably installed at the bottom of the mounting plate (16) through the bearing seat, the other end of the rotating shaft (22) penetrates through the top of the sand screening, the outer wall of the rotating shaft (22) is provided with a spline, the inner wall of the fourth sleeve (18) is provided with a spline groove matched with the spline, the fourth sleeve (18) is rotatably connected with the top of the sand screening box (4) through a bearing seat, the top of the sand screening box (4) is positioned at one side of the fourth sleeve (18) and is provided with a fourth motor (21) through a bolt, the end part of an output shaft of the fourth motor (21) is provided with a third gear (20), the fourth sleeve (18) is provided with a fourth gear (17), the fourth gear (17) is meshed with the third gear (20), the upper part of an inner cavity of the sand screening box (4) is provided with a crushing cavity (8), the lower part of the inner cavity of the sand screening box (4) is provided with a screen mesh (6), a rubber strip is connected between the side wall of the screen mesh (6) and the side wall of the sand screening box (4), the bottom of the screen mesh (6) is fixedly provided with a, pivot (22) are located and are fixed with puddler (19) on the shaft part in the chamber of smashing (8), puddler (19) other end is fixed with and smashes ball (9), it is equipped with the export to smash chamber (8) bottom, it is equipped with toper branch flitch (7) to lie in the export below in pivot (22), the extension board is installed through bearing rotation in pivot (22) bottom, magnet (23) are installed to the extension board bottom, lie in magnet (23) below on screen cloth (6) and install iron sheet (24), sieve sandbox (4) are located bracing piece one side and are equipped with first discharging pipe (5), sieve sandbox (4) bottom is located first discharging pipe (5) below and is equipped with second discharging pipe (3), the length of second discharging pipe (3) is less than the length of first discharging pipe (5).
2. The sand screening device for construction engineering according to claim 1, wherein the roller (28) is a self-locking roller.
3. The sand screening device for building engineering according to claim 1, wherein a feed hopper (10) is arranged on both sides of the top end of the sand screening box (4).
4. The sand screening device for construction engineering according to claim 1, wherein the crushing balls (9) are made of rubber.
5. The sand screening device for construction engineering according to claim 1, wherein valves are mounted on both the first discharge pipe (5) and the second discharge pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386576.4A CN108525993B (en) | 2018-04-26 | 2018-04-26 | Screening sand device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386576.4A CN108525993B (en) | 2018-04-26 | 2018-04-26 | Screening sand device for building engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108525993A CN108525993A (en) | 2018-09-14 |
| CN108525993B true CN108525993B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810386576.4A Expired - Fee Related CN108525993B (en) | 2018-04-26 | 2018-04-26 | Screening sand device for building engineering |
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| CN (1) | CN108525993B (en) |
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| CN108525993A (en) | 2018-09-14 |
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