CN215465845U

CN215465845U - Quick sand screening device for construction site

Info

Publication number: CN215465845U
Application number: CN202121500868.XU
Authority: CN
Inventors: 吕海青; 赵治国; 王尚廷
Original assignee: Nanjing Nanbu Road And Bridge Construction Group Co Ltd
Current assignee: Nanjing Nanbu Road And Bridge Construction Group Co Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-11
Anticipated expiration: 2031-07-02

Abstract

The utility model belongs to the technical field of building engineering, and discloses a rapid sand screening device for a building construction site, which comprises a bottom plate, wherein support frames are fixedly arranged on two sides of the middle part of the top surface of the bottom plate, an outer frame is fixedly arranged at the top ends of the two support frames, a second screen is movably arranged above the middle part of an inner cavity of the outer frame, a first screen is movably arranged below the middle part of the inner cavity of the outer frame, a first feed port is fixedly arranged on the upper surface of the outer frame, the first feed port penetrates through the upper surface of the outer frame, and a second feed port is fixedly arranged at the bottom end of the first feed port. According to the utility model, the driving gear is driven to rotate through the rotation of the output shaft of the motor, so that the rotating shaft is driven to rotate, sand falls onto the second screen mesh after being introduced through the first feeding hole, and is uniformly scattered onto the screen mesh and rapidly passes through the screen mesh under the drive of the blades, so that the sand screening efficiency is improved, and the beneficial effect of rapidly screening the sand is achieved.

Description

Quick sand screening device for construction site

Technical Field

The utility model belongs to the technical field of building engineering, and particularly relates to a rapid sand screening device for a building construction site.

Background

During construction engineering construction, sand is usually required to be used as a construction raw material, the sand is usually transported to a construction site and can be used after being screened, so that a sand screening device is usually used to replace a manual sand screening mode, and at present, the sand screening device for the construction site is widely used.

In the prior art, a sand screening device used in a building construction site generally cannot rapidly screen sand, and after sand enters the device, part of the sand is agglomerated, so that the sand gradually accumulates, cannot rapidly pass through a screen, and the sand screening efficiency is reduced when the sand is screened for a long time.

Since some sands contain dust and the like during screening of sands, the dust can be diffused during screening of sands to affect the working environment of workers, and the prior sand screening device can not reduce the dust during screening of sands generally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a quick sand screening device for a building construction site, which has the advantages of high sand screening speed and dust absorption.

In order to achieve the purpose, the utility model provides the following technical scheme: a rapid sand screening device for a building construction site comprises a base plate, wherein support frames are fixedly arranged on two sides of the middle part of the top surface of the base plate, an outer frame is fixedly arranged at the top ends of the two support frames, a second screen is movably arranged above the middle part of an inner cavity of the outer frame, a first screen is movably arranged below the middle part of the inner cavity of the outer frame, a first feed port is fixedly arranged on the upper surface of the outer frame and penetrates through the upper surface of the outer frame, a second feed port is fixedly arranged at the bottom end of the first feed port, a rotating shaft is movably sleeved on the outer surface of the second feed port, blades are fixedly arranged on the rotating shaft, a motor is fixedly arranged on the right side of the top surface of the inner cavity of the outer frame, a driving gear is fixedly arranged on an output shaft of the motor and is meshed with the rotating shaft, a discharge port positioned below the first screen is fixedly arranged in the inner cavity of the outer frame, the bottom of discharge gate extends to the below of frame, the fixed cover in top at discharge gate middle part has been cup jointed first air duct, the medial surface fixed mounting of first air duct has four induction ports, four in the medial extremity of induction port all extends into the discharge gate, four equal fixed mounting has the filter screen in the inner chamber of induction port, the equal fixed mounting in both ends has the second air duct about of first air duct, the middle part fixed mounting of second air duct has the aspirator pump, the equal fixed mounting in both sides of bottom plate top surface has the second to receive the workbin, two the outside end of second air duct all extends into the second and receives the workbin, the front surface of frame has the frame door through hinge axle movable mounting, the middle part fixed mounting of bottom plate top surface has first receipts workbin.

As a preferred technical scheme of the utility model, the middle part of the rotating shaft is fixedly provided with a limiting block, the surface of the rotating shaft is movably sleeved with a limiting ring positioned between the blades and the limiting block, and two ends of the limiting ring are fixedly connected with the inner side surface of the outer frame.

As a preferred technical scheme of the present invention, two fixing blocks are fixedly mounted above and below the middle portions of the two side surfaces of the inner cavity of the outer frame, the four fixing blocks on the same plane are respectively and movably mounted with a fixing plate through four bolts, fixing rings are fixedly mounted on the upper surfaces of the two fixing plates, the second screen is fixedly mounted in the middle portion of the upper fixing plate, and the first screen is fixedly mounted in the middle portion of the lower fixing plate.

As a preferable technical scheme of the utility model, a driven gear is movably arranged on the left side of the top surface of the inner cavity of the outer frame and is in meshed connection with the rotating shaft.

As a preferred technical scheme of the utility model, the discharge hole is of a structure with a truncated cone at the upper end and a cylindrical lower end.

In a preferred embodiment of the present invention, the upper side of the middle part of the vane extends into the inner cavity of the rotating shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the driving gear is driven to rotate through the rotation of the output shaft of the motor, so that the rotating shaft is driven to rotate, sand falls onto the second screen mesh after being introduced through the first feeding hole, and is uniformly scattered onto the screen mesh and rapidly passes through the screen mesh under the drive of the blades, so that the sand screening efficiency is improved, and the beneficial effect of rapidly screening the sand is achieved.

2. According to the utility model, under the action of the air suction pump, when sand is discharged from the discharge hole, dust can enter the second air duct through the air suction port and then is sucked into the second material receiving box, so that the dust is prevented from dispersing in the air, and the beneficial effect of absorbing the dust is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of a first airway tube of the utility model;

FIG. 3 is a top view of a blade of the present invention;

FIG. 4 is a top view of the spout of the present invention;

fig. 5 is an external view of the present invention.

In the figure: 1. a base plate; 2. a first air duct; 3. a first material receiving box; 4. a support frame; 5. an outer frame; 6. a blade; 7. a limiting block; 8. a first feed port; 9. a second feed port; 10. a limiting ring; 11. a rotating shaft; 12. a driven gear; 13. a fixing ring; 14. a bolt; 15. a getter pump; 16. a motor; 17. a driving gear; 18. a fixing plate; 19. a first screen; 20. a fixed block; 21. a second air duct; 22. a second material receiving box; 23. a discharge port; 24. a filter screen; 25. an air suction port; 26. a second screen; 27. a frame door.

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.

As shown in figures 1 to 5, the utility model provides a rapid sand screening device for a building construction site, wherein two sides of the middle part of the top surface of a bottom plate 1 are fixedly provided with support frames 4, the top ends of the two support frames 4 are fixedly provided with an outer frame 5, a second screen 26 is movably arranged above the middle part of an inner cavity of the outer frame 5, a first screen 19 is movably arranged below the middle part of the inner cavity of the outer frame 5, the upper surface of the outer frame 5 is fixedly provided with a first feed inlet 8, the first feed inlet 8 penetrates through the upper surface of the outer frame 5, the bottom end of the first feed inlet 8 is fixedly provided with a second feed inlet 9, the outer surface of the second feed inlet 9 is movably sleeved with a rotating shaft 11, the rotating shaft 11 is fixedly provided with blades 6, the right side of the top surface of the inner cavity of the outer frame 5 is fixedly provided with a motor 16, the output shaft of the motor 16 is fixedly provided with a driving gear 17, the driving gear 17 is meshed with the rotating shaft 11, a discharge hole 23 positioned below the first screen 19 is fixedly arranged in the inner cavity of the outer frame 5, the bottom of discharge gate 23 extends to the below of frame 5, the fixed cover in top at discharge gate 23 middle part has been connect first air duct 2, the medial surface fixed mounting of first air duct 2 has four induction ports 25, the medial extremity of four induction ports 25 all extends into discharge gate 23, equal fixed mounting has filter screen 24 in the inner chamber of four induction ports 25, equal fixed mounting has second air duct 21 in both ends about first air duct 2, the middle part fixed mounting of second air duct 21 has aspirator pump 15, the equal fixed mounting in both sides of bottom plate 1 top surface has second receipts workbin 22, the outside end of two second air ducts 21 all extends into second receipts workbin 22, the front surface of frame 5 has frame door 27 through hinge movable mounting, the middle part fixed mounting of bottom plate 1 top surface has first receipts workbin 3.

Wherein, the middle part fixed mounting of axis of rotation 11 has stopper 7, and the spacing ring 10 that is located between blade 6 and the stopper 7 has been cup jointed in the surface activity of axis of rotation 11, the both ends of spacing ring 10 all with the medial surface fixed connection of frame 5, and the rotation of axis of rotation 11 can be restricted to spacing ring 10 to the rotation direction that keeps axis of rotation 11 is unanimous throughout and does not take place the skew.

Wherein, the equal fixed mounting in the upper and lower side in 5 inner chamber both sides face middle parts of frame has two fixed blocks 20, four fixed blocks 20 of coplanar have fixed plate 18 through four 14 movable mounting of bolt, install first screen cloth 19 and second screen cloth 26 through bolt 14, thereby make the clearance that can be rapid when the particulate matter on first screen cloth 19 and second screen cloth 26 is more fall the particulate matter, the equal fixed mounting in upper surface of two fixed plates 18 has solid fixed ring 13, second screen cloth 26 fixed mounting is in the middle part of upside fixed plate 18, first screen cloth 19 fixed mounting is in the middle part of downside fixed plate 18, the hole of second screen cloth 26 is big than first screen cloth 19's hole, second screen cloth 26 can tentatively sieve out particulate matter such as great stone in the sand, first screen cloth 19 further sieves out less particulate matter in the sand.

Wherein, the left side movable mounting of frame 5 inner chamber top surface has driven gear 12, and driven gear 12 is connected with the meshing of axis of rotation 11, through driven gear 12's effect, can keep the stability when axis of rotation 11 rotates.

Wherein, discharge gate 23 is the columniform structure for upper end round platform type lower extreme, thereby round platform type structure makes it can collect the sand after being sieved, then can be complete collect in first receipts workbin 3.

Wherein, the upside in the middle part of blade 6 extends into the inner chamber of axis of rotation 11 to make the back of sand landing from the inner chamber of axis of rotation 11, can the even both sides of distributing to blade 6.

The working principle and the using process of the utility model are as follows:

the staff is at first the starter motor 16, the output shaft of motor 16 rotates and drives driving gear 17 and rotate, then make axis of rotation 11 and blade 6 rotate, start aspirator pump 15 simultaneously, put into leading-in wherein with the sand through first feed inlet 8, the sand is through axis of rotation 11 scatter to the second screen cloth 26 on, blade 6 will pile up the even second screen cloth 26 of sweeping of sand, thereby fall rapidly on first screen cloth 19, through first screen cloth 19 after, through the 23 ejection of compact of discharge gate, enter into first receipts workbin 3, the dust enters into in the second receives workbin 22 through induction port 25.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building construction is quick screening sand device for scene, includes bottom plate (1), its characterized in that: the utility model discloses a screen printing machine, including bottom plate (1), bottom plate, support frame (4), two the equal fixed mounting in top of support frame (4) has frame (5), the top movable mounting at frame (5) inner chamber middle part has second screen cloth (26), the below movable mounting at frame (5) inner chamber middle part has first screen cloth (19), the last fixed surface of frame (5) installs first feed inlet (8), first feed inlet (8) run through the upper surface of frame (5), the bottom fixed mounting of first feed inlet (8) has second feed inlet (9), the surface activity of second feed inlet (9) has cup jointed axis of rotation (11), axis of rotation (11) fixed mounting has blade (6), the right side fixed mounting of frame (5) inner chamber top surface has motor (16), the output shaft fixed mounting of motor (16) has driving gear (17), the driving gear (17) is meshed with the rotating shaft (11) and connected, a discharge hole (23) which is positioned below the first screen (19) is fixedly installed in an inner cavity of the outer frame (5), the bottom end of the discharge hole (23) extends to the lower part of the outer frame (5), a first air duct (2) is fixedly sleeved on the middle part of the discharge hole (23), four air suction ports (25) are fixedly installed on the inner side surface of the first air duct (2), the inner side ends of the four air suction ports (25) all extend into the discharge hole (23), filter screens (24) are fixedly installed in the inner cavity of the four air suction ports (25), second air ducts (21) are fixedly installed at the left end and the right end of the first air duct (2), an air suction pump (15) is fixedly installed in the middle of the second air duct (21), and a second material receiving box (22) is fixedly installed on both sides of the top surface of the bottom plate (1), two the outside end of second air duct (21) all extends into in second receipts workbin (22), the front surface of frame (5) has frame door (27) through hinge axle movable mounting, the middle part fixed mounting of bottom plate (1) top surface has first receipts workbin (3).

2. The rapid sand screening device for the construction site according to claim 1, wherein: the middle part fixed mounting of axis of rotation (11) has stopper (7), spacing ring (10) that are located between blade (6) and stopper (7) have been cup jointed in the surface activity of axis of rotation (11), the both ends of spacing ring (10) all with the medial surface fixed connection of frame (5).

3. The rapid sand screening device for the construction site according to claim 1, wherein: the equal fixed mounting in upper and lower side in frame (5) inner chamber both sides face middle part has two fixed blocks (20), coplanar four fixed blocks (20) have fixed plate (18), two through four bolt (14) movable mounting respectively the equal fixed mounting in upper surface of fixed plate (18) has solid fixed ring (13), second screen cloth (26) fixed mounting is in the middle part of upside fixed plate (18), first screen cloth (19) fixed mounting is in the middle part of downside fixed plate (18).

4. The rapid sand screening device for the construction site according to claim 1, wherein: the left side movable mounting of frame (5) inner chamber top surface has driven gear (12), driven gear (12) and axis of rotation (11) meshing are connected.

5. The rapid sand screening device for the construction site according to claim 1, wherein: the discharge port (23) is of a structure with a truncated cone-shaped upper end and a cylindrical lower end.

6. The rapid sand screening device for the construction site according to claim 1, wherein: the upper side of the middle part of the blade (6) extends into the inner cavity of the rotating shaft (11).