CN219616044U - Sand and stone screening device for constructional engineering - Google Patents
Sand and stone screening device for constructional engineering Download PDFInfo
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- CN219616044U CN219616044U CN202320178796.4U CN202320178796U CN219616044U CN 219616044 U CN219616044 U CN 219616044U CN 202320178796 U CN202320178796 U CN 202320178796U CN 219616044 U CN219616044 U CN 219616044U
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Abstract
The utility model discloses a sand and stone screening device for constructional engineering, which comprises a screening box (1), a first box door (3), a top cover assembly, a first screen (16), a discharge hole (18), a second screen (20), a second box door (21), a vibrating motor (22) and supporting legs (24); the screening box is of a box-shaped structure with an opening at the top, the top cover assembly is arranged at the top of the screening box, and the vibrating motor is arranged on the inner wall of the screening box; the first screen mesh and the second screen mesh are arranged in the screening box at intervals, and the screening box is divided into three screening spaces from top to bottom by the first screen mesh and the second screen mesh; the first box door and the second box door are arranged on the side wall of the screening box, the first box door is communicated with the first screening space, and the second box door is communicated with the second screening space; the screening case bottom is equipped with a plurality of supporting legs, and the discharge gate is established in screening case bottom and is linked together with the third screening space. The utility model can solve the problems of large size and inconvenient discharging of the screening device in the prior art.
Description
Technical Field
The utility model relates to building construction auxiliary equipment, in particular to a sand and stone screening device for building engineering.
Background
In the construction process of constructional engineering, sand and stone are one of more commonly used materials, and sand and stone with different particle sizes can be used for construction of different building components. In the actual construction process, the sandstone with different particle sizes is often easy to mix together, so that the construction appearance quality of the building component is affected, and the sandstone is required to be screened before use.
Chinese patent No. CN217888660U discloses a sand screening device for construction engineering, comprising: the device comprises a sand screening mechanism, a stone lifting mechanism and a stone conveying mechanism; wherein, stone transport mechanism sets up in the one side of grit screening mechanism, and stone handling mechanism sets up in the top of grit screening mechanism, stone transport mechanism. Although this grit sieving mechanism can screen the grit according to the particle diameter requirement, but its is bulky, occupies great horizontal space, and needs the supplementary ejection of compact of transport mechanism, and running cost is higher, and the ejection of compact is inflexible, and the material ejection of compact of especially first layer screening is inconvenient. Therefore, it is necessary to provide a sand and stone screening device for construction engineering, which can solve the problems of large size and inconvenient discharging of the sand and stone screening device for construction engineering in the prior art.
Disclosure of Invention
The utility model aims to provide a sand and stone screening device for constructional engineering, which can solve the problems of large size and inconvenient discharging of the sand and stone screening device for constructional engineering in the prior art.
The utility model is realized in the following way:
the utility model provides a grit sieving mechanism for building engineering, includes screening case, first chamber door, top cap subassembly, first screen cloth, discharge gate, second screen cloth, second chamber door, vibrating motor and supporting legs; the screening box is of a box-shaped structure with an opening at the top, the top cover assembly is arranged at the top of the screening box, and the vibrating motor is arranged on the inner wall of the screening box; the first screen mesh and the second screen mesh are respectively arranged in the screening box at intervals, and the screening box is divided into three screening spaces from top to bottom by the first screen mesh and the second screen mesh; the first box door and the second box door are respectively arranged on the side wall of the screening box, the first box door is communicated with the first screening space, and the second box door is communicated with the second screening space; the bottom interval of screening case is equipped with a plurality of supporting legs, makes the discharge gate set up in the bottom of screening case and with the third screening space intercommunication.
The first screen and the second screen are both obliquely arranged, the first box door is positioned on one side wall of the screening box, and the first box door is arranged at the lower end of the obliquely arranged first screen; the second chamber door is located on the other side wall of the screening chamber, and the second chamber door is installed at the lower end of the second screen cloth which is obliquely arranged.
The inclination direction of the first screen is opposite to that of the second screen, and the mesh size of the first screen is larger than that of the second screen.
The first door is provided with a first handle, and the second door is provided with a second handle.
The inner wall of screening case on be equipped with first frame and second frame, first screen cloth matches and inlays the dress in first frame, the second screen cloth matches and inlays the dress in the second frame.
The top cover assembly comprises a first top plate, a second top plate, a top cover, a connecting box and a rotating mechanism; the connecting box is arranged on the rear end face of the screening box, the rotating mechanism is arranged in the connecting box, and the first top plate and the second top plate are respectively and rotatably arranged on the rear side of the top of the screening box through the rotating mechanism; one end of the pair of top covers is correspondingly connected with the first top plate and the second top plate respectively, so that the pair of top covers can be rotatably opened and closed to cover the top of the screening box.
The rotating mechanism comprises a motor, a driving gear, a third connecting shaft, a second connecting shaft, a driven gear, a first connecting shaft and a belt; the third connecting shaft, the second connecting shaft and the first connecting shaft are respectively rotatably arranged in the connecting box, and the upper ends of the second connecting shaft and the first connecting shaft respectively extend to the upper part of the connecting box and are respectively and vertically fixedly connected with the second top plate and the first top plate; the driving gear and the driven gear are coaxially arranged on the third connecting shaft and the second connecting shaft respectively, and the driving gear is meshed with the driven gear; the first connecting shaft is connected with the third connecting shaft through belt transmission, the motor is installed on the first top plate, and an output shaft of the motor penetrates through the first top plate and is fixedly connected with the upper end of the first connecting shaft in a coaxial mode.
The bottom of the discharge hole is matched and screwed with a threaded cover, and a plurality of rotating handles are formed on the outer wall of the threaded cover at intervals in the circumferential direction.
Compared with the prior art, the utility model has the following beneficial effects:
1. the screening box is divided into three screening spaces from top to bottom due to the arrangement of the first screen and the second screen, so that three-stage screening of sand and stone is facilitated, the screening effect and efficiency are ensured, and meanwhile, the occupation requirement on the transverse space is greatly reduced; simultaneously, the first screen cloth and the second screen cloth that the slope set up can increase the roll whereabouts route of grit to improve the screening effect, the bottom in three screening space sets up first chamber door, second chamber door and discharge gate respectively, and the independent ejection of compact of grit of being convenient for, convenient to use, flexibility satisfy the user demand of grit of different particle diameters in the building engineering construction.
2. Due to the arrangement of the top cover assembly, the synchronous reverse rotation of the first top plate and the second top plate is realized through the motor control connecting shaft, the belt and the gear, so that the pair of top covers rotate away from the top of the opened screening box, the feeding is convenient, or the pair of top covers rotate close to the top of the closed screening box, sand and gravel are prevented from splashing during screening, and the use safety is improved.
Drawings
FIG. 1 is a perspective view of a sand screening device for construction engineering according to the present utility model;
FIG. 2 is a transverse cross-sectional view of the sand screening device for construction engineering of the present utility model;
FIG. 3 is a longitudinal cross-sectional view of the sand screening device for construction engineering of the present utility model;
FIG. 4 is a rear view of the sand screening device for construction engineering according to the present utility model.
In the figure, 1, a screening box; 2. a first handle; 3. a first door; 4. a first top plate; 5. a motor; 6. a second top plate; 7. a top cover; 8. a second handle; 9. a drive gear; 10. a third connecting shaft; 11. a second connecting shaft; 12. a driven gear; 13. a connection box; 14. a first connecting shaft; 15. a belt; 16. a first screen; 17. a screw cap; 18. a discharge port; 19. a second frame; 20. a second screen; 21. a second door; 22. a vibration motor; 23. a first frame; 24. supporting feet; 25. the handle is rotated.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 to 3, a sand screening device for construction engineering includes a screening box 1, a first box door 3, a top cover assembly, a first screen 16, a discharge port 18, a second screen 20, a second box door 21, a vibration motor 22 and supporting legs 24; the screening box 1 is of a box-shaped structure with an opening at the top, the top cover assembly is arranged at the top of the screening box 1, and the vibrating motor 22 is arranged on the inner wall of the screening box 1; the first screen 16 and the second screen 20 are respectively arranged in the screening box 1 at intervals, and the screening box 1 is divided into three screening spaces from top to bottom by the first screen 16 and the second screen 20; the first box door 3 and the second box door 21 are respectively arranged on the side wall of the screening box 1, the first box door 3 is communicated with the first screening space, and the second box door 21 is communicated with the second screening space; the bottom of screening case 1 is equipped with a plurality of supporting legs 24 at intervals, makes discharge gate 18 set up in the bottom of screening case 1 and with the third screening space intercommunication.
The first screen 16 and the second screen 20 are vertically distributed, so that three screening spaces are vertically distributed, the occupation of transverse spaces is reduced, and the space occupation rate of a use site is reduced; the number of the screens can be adaptively increased or decreased according to screening requirements, and two layers of screens are preferable. Top cap subassembly is convenient for the open and shut control of top cap, and the in-process top cap closure of screening grit prevents the grit spill of the feeding of the grit material for the building engineering of being convenient for when the top cap is opened. The setting position and power selection of the vibration motor 22 can be determined according to actual screening requirements, so that the vibration motor 22 can play a certain vibration role on the screening box 1 and the stability of the screening box 1 is not affected, and vibration force provided by the vibration motor 22 assists the sand to vibrate and fall on the first screen 16 and the second screen 20.
The three screening spaces are respectively provided with the first box door 3, the second box door 21 and the discharge hole 18, so that independent discharge is convenient, flexible and convenient in discharge and convenient for taking in construction engineering construction.
Referring to fig. 3, the first screen 16 and the second screen 20 are both inclined, the first door 3 is located on one side wall of the screening box 1, and the first door 3 is installed at the lower end of the first screen 16 which is inclined; a second door 21 is located on the other side wall of the screening box 1, and the second door 21 is installed at the lower end of the obliquely arranged second screen 20.
The first screen cloth 16 and the second screen cloth 20 that the slope set up are convenient for the grit roll ejection of compact under the action of gravity, improve ejection of compact efficiency and convenience, are also convenient for the grit to realize screening and whereabouts at the roll in-process simultaneously.
Referring to fig. 3, the first screen 16 is inclined in a direction opposite to that of the second screen 20, and the mesh size of the first screen 16 is larger than that of the second screen 20.
The first screen 16 and the second screen 20 are inclined in opposite directions, so that the falling track of sand is Z-shaped, and the sliding falling path of sand is prolonged, thereby ensuring full screening of sand. The first screen 16 at the upper layer has large mesh size for primarily screening sand with larger particle size, and the second screen 20 at the lower layer has small mesh size for further screening sand with smaller particle size, thereby facilitating multistage screening of sand and having high screening precision.
Referring to fig. 1 to 4, the first door 3 is provided with a first handle 2, and the second door 21 is provided with a second handle 8, which is convenient for being held by hand, so that the first door 3 and the second door 21 can be conveniently opened and closed.
Referring to fig. 2 and 3, a first frame 23 and a second frame 19 are disposed on the inner wall of the screening box 1, the first screen 16 is embedded in the first frame 23, and the second screen 20 is embedded in the second frame 19.
The first frame 23 and the second frame 19 can adopt rectangular frame structures, the first screen 16 and the second screen 20 can be detachably embedded in the first frame 23 and the second frame 19 in the form of concave-convex buckles, bolts and the like, and the first screen and the second screen are convenient to detach and replace and convenient to detach and assemble.
Preferably, the vibrating motor 22 may be disposed below the high end of the first frame 23, and since most of the sand will roll toward the low end of the first screen 16 under the action of gravity and vibration force, the sand can be prevented from striking the vibrating motor 22 to the greatest extent, and the vibrating motor 22 can be ensured to provide an effective vibration force for the screening box 1.
Referring to fig. 1 to 4, the top cover assembly includes a first top plate 4, a second top plate 6, a top cover 7, a connection box 13, and a rotation mechanism; the connecting box 13 is arranged on the rear end surface of the screening box 1, the rotating mechanism is arranged in the connecting box 13, and the first top plate 4 and the second top plate 6 are respectively and rotatably arranged on the rear side of the top of the screening box 1 through the rotating mechanism; one ends of a pair of top covers 7 are respectively connected with the first top plate 4 and the second top plate 6 correspondingly, so that the pair of top covers 7 can be rotatably opened and closed to cover the top of the screening box 1.
The first top plate 4 and the second top plate 6 are respectively controlled to rotate through the rotating mechanism, so that a pair of top covers 7 synchronously rotate along with the first top plate 4 and the second top plate 6, and when the pair of top covers 7 are respectively rotated to two sides to be opened, the top of the screening box 1 is opened, and feeding is facilitated; when the pair of top covers 7 are respectively turned and closed towards the middle, the top of the screening box 1 is closed, and splashing during screening is prevented.
Referring to fig. 2, the rotating mechanism includes a motor 5, a driving gear 9, a third connecting shaft 10, a second connecting shaft 11, a driven gear 12, a first connecting shaft 14 and a belt 15; the third connecting shaft 10, the second connecting shaft 11 and the first connecting shaft 14 are respectively rotatably arranged in the connecting box 13 through rotating bearings, and the upper ends of the second connecting shaft 11 and the first connecting shaft 14 respectively extend to the upper part of the connecting box 13 and are respectively and vertically fixedly connected with the second top plate 6 and the first top plate 4; the driving gear 9 and the driven gear 12 are coaxially arranged on the third connecting shaft 10 and the second connecting shaft 11 respectively, and the driving gear 9 is in meshed connection with the driven gear 12; the first connecting shaft 14 is in transmission connection with the third connecting shaft 10 through a belt 15, the motor 5 is installed on the first top plate 4 through a rotating bearing, and an output shaft of the motor 5 penetrates through the first top plate 4 and is coaxially and fixedly connected with the upper end of the first connecting shaft 14.
The motor 5 may be a small motor with a forward and reverse rotation function according to the prior art, and its power may be adaptively selected according to the weight of the top cover 7. The motor 5 drives the first connecting shaft 14 to rotate, the first connecting shaft 14 drives the first top plate 4 to synchronously rotate, meanwhile, the first connecting shaft 14 drives the third connecting shaft 10 to synchronously rotate through the belt 15, the third connecting shaft 10 drives the second connecting shaft 11 to synchronously rotate through the driving gear 9 and the driven gear 12, and the second connecting shaft 11 drives the second top plate 6 to synchronously rotate, so that synchronous bidirectional rotation of the pair of top caps 7 is realized, and further the opening and closing functions of the pair of top caps 7 are realized.
The motor 5 is installed on the first top plate 4 through a rotating bearing, and the motor 5 does not rotate along with the first top plate 4, so that the first top plate 4 is prevented from driving the motor 5 to synchronously rotate to influence the rotating speed and the rotating direction of the first connecting shaft 14. The driving gear 9 and the driven gear 12 are driven by the meshing teeth, and the rotation directions of the driving gear 9 and the driven gear are opposite, so that the rotation directions of the second connecting shaft 11 and the first connecting shaft 14 are opposite, and the forward and reverse rotation functions of the motor 5 are matched, so that the opening function is realized by mutually far-away rotation of the pair of top covers 7, or the closing function is realized by mutually close rotation.
Referring to fig. 3 and 4, the bottom of the discharge port 18 is screwed with a screw cap 17 through screw matching, and a plurality of rotating handles 25 are circumferentially formed on the outer wall of the screw cap 17 at intervals.
The screw cap 17 is used for closing the discharge hole 18, so that the centralized discharge is facilitated after the screening is finished, and the screw cap 17 is convenient to hold by a plurality of rotating handles 25, so that the screw cap 17 can be rotated, dismounted and mounted more easily and in a labor-saving manner.
Referring to fig. 1 to 4, the application method and the working principle of the utility model are as follows:
the discharge port 18 is closed by the screw cap 17, and the first door 3 and the second door 21 are closed. The motor 5 is electrified to start and rotates positively, the output shaft of the motor 5 drives the first connecting shaft 14 to rotate, the first connecting shaft 14 drives the third connecting shaft 10 through the belt 15, the third connecting shaft 10 drives the driving gear 9 to synchronously rotate, the driving gear 9 is meshed with the driving driven gear 12, and the driven gear 12 drives the second connecting shaft 11 to synchronously rotate.
Through the control of the rotating mechanism, the first connecting shaft 14 and the second connecting shaft 11 rotate simultaneously, and the rotation directions are opposite, so that the first top plate 4 and the second top plate 6 are driven to synchronously rotate towards two sides, a pair of top covers 7 are respectively rotated towards two sides to be opened, and sand and stones for building engineering construction can be poured into the screening box 1. The motor 5 starts and reversely rotates to realize that a pair of top covers 7 are closed towards the middle rotation, and the top of the screening box 1 is closed to prevent sand and gravel from splashing.
The vibration motor 22 is electrified and started to slightly vibrate the screening box 1, so that sand and stones in the first screening space are screened through the first screen 16 in a vibration mode, sand and stones with the grain size larger than the mesh size of the first screen 16 are left in the first screening space, and sand and stones with the grain size smaller than the mesh size of the first screen 16 enter the second screening space. Similarly, sand with a particle size larger than the mesh size of the second screen 20 is left in the second screening space, sand with a particle size smaller than the mesh size of the second screen 20 enters the third screening space, and three-stage screening of sand is completed.
The first box door 3 is opened through the first handle 2, sand and stone in the first screening space can be taken out from the first box door 3, and the first screen 16 which is obliquely arranged is convenient for discharging sand and stone. The second box door 21 is opened through the second handle 8, sand and stone in the second screening space can be taken out from the second box door 21, and the second screen 20 which is obliquely arranged is convenient for discharging sand and stone. The screw cap 17 is opened in the rotation, and the grit in the third screening space can be followed discharge gate 18 and discharged gate 18 is located screening case 1 bottom, and the ejection of compact of being convenient for also can be with the wide hopper-shaped structure in the bottom sprag of screening case 1, guarantees complete ejection of compact.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. Sand and stone sieving mechanism for building engineering, characterized by: the screening box comprises a screening box (1), a first box door (3), a top cover assembly, a first screen (16), a discharge hole (18), a second screen (20), a second box door (21), a vibrating motor (22) and supporting legs (24); the screening box (1) is of a box-shaped structure with an opening at the top, the top cover assembly is arranged at the top of the screening box (1), and the vibrating motor (22) is arranged on the inner wall of the screening box (1); the first screen (16) and the second screen (20) are respectively arranged in the screening box (1) at intervals, and the screening box (1) is divided into three screening spaces from top to bottom by the first screen (16) and the second screen (20); the first box door (3) and the second box door (21) are respectively arranged on the side wall of the screening box (1), the first box door (3) is communicated with the first screening space, and the second box door (21) is communicated with the second screening space; a plurality of supporting feet (24) are arranged at intervals at the bottom of the screening box (1), so that a discharge hole (18) is arranged at the bottom of the screening box (1) and is communicated with a third screening space;
the first screen (16) and the second screen (20) are obliquely arranged, the oblique direction of the first screen (16) is opposite to that of the second screen (20), and the mesh size of the first screen (16) is larger than that of the second screen (20);
the top cover assembly comprises a first top plate (4), a second top plate (6), a top cover (7), a connecting box (13) and a rotating mechanism; the connecting box (13) is arranged on the rear end face of the screening box (1), the rotating mechanism is arranged in the connecting box (13), and the first top plate (4) and the second top plate (6) are respectively and rotatably arranged on the rear side of the top of the screening box (1) through the rotating mechanism; one end of a pair of top covers (7) is correspondingly connected with the first top plate (4) and the second top plate (6) respectively, so that the pair of top covers (7) can be covered on the top of the screening box (1) in a rotary opening and closing mode.
2. The sand screening device for construction engineering according to claim 1, wherein: the first box door (3) is positioned on one side wall of the screening box (1), and the first box door (3) is arranged at the lower end of the obliquely arranged first screen (16); the second box door (21) is positioned on the other side wall of the screening box (1), and the second box door (21) is installed at the lower end of the obliquely arranged second screen (20).
3. The sand screening device for construction engineering according to claim 1 or 2, characterized in that: the first door (3) is provided with a first handle (2), and the second door (21) is provided with a second handle (8).
4. The sand screening device for construction engineering according to claim 1 or 2, characterized in that: the inner wall of the screening box (1) is provided with a first frame (23) and a second frame (19), the first screen (16) is embedded in the first frame (23) in a matching way, and the second screen (20) is embedded in the second frame (19) in a matching way.
5. The sand screening device for construction engineering according to claim 1, wherein: the rotating mechanism comprises a motor (5), a driving gear (9), a third connecting shaft (10), a second connecting shaft (11), a driven gear (12), a first connecting shaft (14) and a belt (15); the third connecting shaft (10), the second connecting shaft (11) and the first connecting shaft (14) are respectively rotatably arranged in the connecting box (13), and the upper ends of the second connecting shaft (11) and the first connecting shaft (14) respectively extend to the upper part of the connecting box (13) and are respectively and vertically fixedly connected with the second top plate (6) and the first top plate (4); the driving gear (9) and the driven gear (12) are coaxially arranged on the third connecting shaft (10) and the second connecting shaft (11) respectively, and the driving gear (9) is meshed with the driven gear (12); the first connecting shaft (14) is in transmission connection with the third connecting shaft (10) through a belt (15), the motor (5) is arranged on the first top plate (4), and an output shaft of the motor (5) penetrates through the first top plate (4) and is fixedly connected with the upper end of the first connecting shaft (14) in a coaxial mode.
6. The sand screening device for construction engineering according to claim 1, wherein: the bottom of the discharge hole (18) is matched and screwed with a threaded cover (17), and a plurality of rotating handles (25) are formed on the outer wall of the threaded cover (17) at intervals in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320178796.4U CN219616044U (en) | 2023-02-07 | 2023-02-07 | Sand and stone screening device for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320178796.4U CN219616044U (en) | 2023-02-07 | 2023-02-07 | Sand and stone screening device for constructional engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219616044U true CN219616044U (en) | 2023-09-01 |
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ID=87770851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320178796.4U Active CN219616044U (en) | 2023-02-07 | 2023-02-07 | Sand and stone screening device for constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219616044U (en) |
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2023
- 2023-02-07 CN CN202320178796.4U patent/CN219616044U/en active Active
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