CN215030932U - Screening sand device for civil construction - Google Patents

Abstract

The utility model discloses a sand screening device for civil construction, which comprises a support and two chutes arranged at two opposite sides of the support, wherein a screen frame is connected between the two chutes in a sliding way, the screen frame is fixedly connected with two symmetrical connecting plates, a winding roller is rotatably connected between two opposite sides of the connecting plates, and a turntable is fixedly connected at the outer side of the winding roller; two fixedly connected with winding between the roller is in the screen cloth of roller outer wall is wound, the division board interval evenly sets up screen cloth one side, and the screen cloth aperture size between two adjacent division boards is different. The utility model discloses can conveniently change the screen cloth, and be convenient for directly smash the sand grain coagulum, alleviate work load, improve work efficiency.

Description

Screening sand device for civil construction

Technical Field

The utility model relates to a civil construction technical field, more specifically say, relate to a screening sand device for civil construction.

Background

Civil construction is the general name of the science and technology of building all kinds of land engineering facilities, when the conventional operation of civil construction goes on, often need use the qualified sand of particle diameter, just can satisfy the demand in the construction engineering like this, current building site screening sand device can only select a kind of sand, but often because the difference of required sand particle diameter for the staff will change the screen cloth, the operation is complicated, and when meetting sand grain coagulation piece, need take out sand grain coagulation piece and smash alone, cause extra work load, reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a screening sand device for civil construction conveniently changes the screen cloth, and is convenient for directly smash the grains of sand coagulum, alleviates work load, improves work efficiency.

In order to solve the above problem, the utility model adopts the following technical scheme: the sand screening device for the civil construction comprises a support and two sliding chutes arranged on two opposite sides of the support, wherein a screen frame is connected between the two sliding chutes in a sliding manner, the screen frame is fixedly connected with two symmetrical connecting plates, a winding roller is rotatably connected between the opposite sides of the two connecting plates, and the outer side of the winding roller is fixedly connected with a rotating disc;

two fixedly connected with winding between the roller is in the screen cloth of roller outer wall is wound, the division board interval evenly sets up on the screen cloth, the screen cloth aperture size difference between two adjacent division boards.

Preferably, the pore diameter areas with different sizes on the screen are distributed in sequence according to the size of the pore diameter.

It is further, be close to support top fixedly connected with feeding storehouse, it is connected with two symmetrical pivots to rotate between the feeding storehouse, pivot outer wall fixedly connected with rolls the roller, two roll the roller and be close to each other, two roll a roller outer wall and be close to mutually with one side inner wall in feeding storehouse, two the one end of pivot all extends to feeding storehouse outside and fixedly connected with pinion.

Furthermore, a servo motor is fixedly connected to one side of the support, a large gear is fixedly connected to the output end of the servo motor, and the large gear is meshed with the two small gears respectively.

Preferably, a square groove is formed in the bottom side of the screen frame, a spring is fixedly connected to the inner wall of the top of the square groove, a square frame is fixedly connected to the bottom side of the spring, the bottom side of the square frame extends to the outside of the square groove, and the top of the screen is in contact with the bottom side of the square frame.

Furthermore, a straight groove is formed in one side of the screen frame, a rack is fixedly connected to the inner wall of the straight groove, the output end of the servo motor extends into the straight groove, a shaking gear is fixedly connected to the inner portion of the straight groove, the range of teeth on the outer wall of the shaking gear is one fourth of that on the outer wall of the shaking gear, and the shaking gear is meshed with the rack.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses according to the size of the grains of sand that will filter, it rotates around the roller to drive through rotating the carousel, wind the roller winding and drive the screen cloth motion, adjust the screen cloth of the region that will need under the reel, the screen cloth in the required aperture of adjustment that like this can be very convenient, at this moment, under the effect of spring, can keep the in close contact with of square frame and screen cloth, prevent to leak sand, then start servo motor, servo motor drives two pinion rotations through the gear wheel, and then drive the roller rotation of rolling through the pivot, servo motor drives the reel through rocking the rack on gear and straight flute top and the bottom side inner wall and slides along the spout front and back, pour the grains of sand into from the feeding storehouse after that, two pivoted rollers of rolling constantly roll, can pulverize the grains of sand that condenses into the piece, and the work load is lightened, and the work efficiency is improved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 1 according to the present invention;

fig. 4 is a schematic cross-sectional view of fig. 3 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.

The reference numbers in the figures illustrate:

1. a support; 2. a feeding bin; 3. a rotating shaft; 4. rolling a roller; 5. a pinion gear; 6. a servo motor; 7. a bull gear; 8. a chute; 9. a screen frame; 10. a connecting plate; 11. winding the roller; 12. screening a screen; 13. a turntable; 14. a partition plate; 15. a square groove; 16. a spring; 17. a square frame; 18. a straight groove; 19. a rack; 20. and shaking the gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a screening sand device for civil construction, refer to figures 1-5, including support 1, support 1 front side and rear side inner wall near the top position fixedly connected with feeding storehouse 2, feeding storehouse 2 left side and right side inner wall between the rotation connection have symmetrical two pivot 3, pivot 3 outer wall fixedly connected with rolling roller 4, two rolling roller 4 are close to each other, two rolling roller 4 outer walls are close to one side inner wall of feeding storehouse 2, the right-hand member of two pivot 3 all extends to feeding storehouse 2 outside and fixedly connected with pinion 5, support 1 right side fixedly connected with servo motor 6, servo motor 6 output end outer wall fixedly connected with gear wheel 7, gear wheel 7 meshes with two pinion 5 respectively, servo motor 6 drives two pinion 5 through gear wheel 7 and rotates, and then drives rolling roller 4 through pivot 3 and rotates, the two rolling rollers 4 which rotate continuously roll and can crush the agglomerated sand grains, so that the workload is reduced and the working efficiency is improved.

Referring to fig. 2, the utility model discloses a spout 8 has all been seted up to support 1 left side and right side inner wall and the position that is located feeding storehouse 2 below, sliding connection has reel 9 between two spout 8, two symmetrical connecting plates 10 of the equal fixedly connected with in reel 9 front side and the rear side, it is connected with around roller 11 to rotate between two connecting plates 10 opposite sides of every group, the position fixedly connected with carousel 13 that is close to the left end around roller 11's outer wall, through two around roller 11 winding screen cloth 12, can very convenient rotation can adjust the screen cloth 12 in different aperture regions to sift sand below reel 9 around roller 11.

Referring to fig. 3, the utility model discloses a two are around fixedly connected with winding screen cloth 12 around 11 outer walls of roller between the roller 11, the width of screen cloth 12 is greater than the width of reel 9, the even division board 14 of one side fixedly connected with distribution of screen cloth 12 outside, screen cloth 12 between every two adjacent division boards 14 is the aperture of a equidimension not, the aperture region of equidimension not distributes according to the size in proper order on whole screen cloth 12, can be as required rotatory one around roller 11 like this, the screen cloth 12 that required region is arrived in the adjustment that can be more quick, and work efficiency is improved.

Referring to fig. 3, the utility model discloses a square groove 15 has been seted up to reel 9 bottom side, and square groove 15 top inner wall fixedly connected with spring 16, the square frame 17 of bottom side fixedly connected with of spring 16, the bottom side of square frame 17 extend to square groove 15 outside, and screen cloth 12 top contacts with square frame 17 bottom side, under spring 16's effect, can keep square frame 17 and screen cloth 12's in close contact with, prevents to leak husky.

Referring to fig. 4 and 5, the utility model discloses a straight flute 18 has been seted up on reel 9 right side, the equal fixedly connected with rack 19 of straight flute 18 top and bottom side inner wall, gear 20 is rocked to the output of servo motor 6 extends to the inside and fixedly connected with of straight flute 18, the tooth scope of rocking the gear 20 outer wall is the fourth of outer wall, rock gear 20 and rack 19 and mesh mutually, servo motor 6 drives reel 9 and slides around spout 8 through rack 19 on rocking gear 20 and straight flute 18 top and the bottom side inner wall, be convenient for filter the grains of sand.

When in use: now according to the size of the sand to be screened, the rotating disc 13 is rotated to drive the winding roller 11 to rotate, the winding roller 11 is wound to drive the screen 12 to move, the screen 12 in a required area is adjusted to be under the screen frame 9, so that the screen with a required aperture can be conveniently adjusted, at the moment, under the action of the spring 16, the square frame 17 can be kept in close contact with the screen 12 to prevent sand leakage, then the servo motor 6 is started, the servo motor 6 drives the two pinions 5 to rotate through the bull gear 7, further the rolling roller 4 is driven to rotate through the rotating shaft 3, meanwhile, the servo motor 6 drives the screen frame 9 to slide back and forth along the chute 8 through the rack 19 on the top and the bottom side inner wall of the straight chute 18 through the shaking gear 20, then the sand is poured from the feeding bin 2, the two rolling rollers 4 which rotate are continuously rolled, the sand which can be condensed into blocks can be crushed, the workload is reduced, the working efficiency is improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. A sand screening device for civil construction comprises a support (1) and is characterized by further comprising

Two sliding chutes (8) are formed in two opposite sides of the support (1), a screen frame (9) is connected between the two sliding chutes (8) in a sliding manner, the screen frame (9) is fixedly connected with two symmetrical connecting plates (10), a winding roller (11) is rotatably connected between the opposite sides of the two connecting plates (10), and a rotary table (13) is fixedly connected to the outer side of the winding roller (11);

two fixedly connected with twine around between roller (11) screen cloth (12) around roller (11) outer wall, division board (14) interval evenly set up on screen cloth (12), screen cloth (12) aperture size difference between two adjacent division boards (14).

2. The sand screening device for civil construction according to claim 1, wherein the areas of different sizes of apertures on the screen cloth (12) are distributed in order according to the size of the apertures.

3. The sand screening device for civil construction according to claim 1, characterized in that a feeding bin (2) is fixedly connected near the top of the support (1), two symmetrical rotating shafts (3) are rotatably connected between the feeding bins (2), the outer wall of each rotating shaft (3) is fixedly connected with a rolling roller (4), the two rolling rollers (4) are close to each other, the outer wall of each rolling roller (4) is close to one inner wall of the feeding bin (2), and one end of each rotating shaft (3) extends to the outside of the feeding bin (2) and is fixedly connected with a pinion (5).

4. The sand screening device for civil construction according to claim 3, characterized in that a servo motor (6) is fixedly connected to one side of the support (1), a large gear (7) is fixedly connected to the output end of the servo motor (6), and the large gear (7) is respectively meshed with the two small gears (5).

5. The sand screening device for civil construction according to claim 1 or 4, wherein the bottom side of the screen frame (9) is provided with a square groove (15), the inner wall of the top of the square groove (15) is fixedly connected with a spring (16), the bottom side of the spring (16) is fixedly connected with a square frame (17), the bottom side of the square frame (17) extends to the outside of the square groove (15), and the top of the screen mesh (12) is contacted with the bottom side of the square frame (17).

6. The sand screening device for the civil construction according to claim 5, wherein a straight groove (18) is formed in one side of the screen frame (9), a rack (19) is fixedly connected to the inner wall of the straight groove (18), the output end of the servo motor (6) extends into the straight groove (18) and is fixedly connected with a shaking gear (20), the range of teeth on the outer wall of the shaking gear (20) is one fourth of the range of teeth on the outer wall, and the shaking gear (20) is meshed with the rack (19).

Images