CN218190855U

CN218190855U - Screening device

Info

Publication number: CN218190855U
Application number: CN202221475304.XU
Authority: CN
Inventors: 贺贝贝; 李文强; 郑辉达
Original assignee: Sinohydro Bureau 12 Co Ltd
Current assignee: Sinohydro Bureau 12 Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-01-03
Anticipated expiration: 2032-06-13

Abstract

The screening equipment relates to the technical field of building construction, and comprises a bearing base and a screening mechanism, wherein the bearing base is connected with the screening mechanism, the screening mechanism comprises a driving assembly and a screening assembly, the driving assembly is connected with the bearing base, and the driving assembly is connected with the screening assembly; the screening subassembly includes a branch sieve section of thick bamboo and No. two branch sieve sections of thick bamboos, a branch sieve section of thick bamboo with No. two branch sieve sections of thick bamboos are connected, be equipped with the mesh on No. two branch sieve sections of thick bamboos, also be equipped with the mesh on a branch sieve section of thick bamboo, no. two single mesh area that divide sieve section of thick bamboos is less than a single mesh area that divides sieve section of thick bamboo. The utility model discloses can realize the screening step by step to the grit, improve the screening efficiency of grit.

Description

Screening device

Technical Field

The utility model relates to a construction technical field specifically is screening equipment.

Background

The sand and stone is a loose mixture of sand grains and broken stones, different sand and stone structures have larger difference, the sand and stone are often used as high-quality building materials and concrete raw materials to be widely applied to the fields of houses, roads, highways, railways, engineering and the like due to good hardness and stable chemical properties of the sand and stone, and the sand and stone can be applied to different building industries according to the size of the sand and stone; the grit needs to carry out screening process to it before using, and the grit of equidimension after will separating is used for different building fields respectively.

There is therefore a great need to develop screening apparatus to solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening equipment through the screening step by step to the grit, has improved the screening efficiency of grit, has reduced staff's intensity of labour to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the screening equipment comprises a bearing base and a screening mechanism, wherein the bearing base is connected with the screening mechanism, the screening mechanism comprises a driving assembly and a screening assembly, the driving assembly is connected with the bearing base, and the driving assembly is connected with the screening assembly; the screening subassembly includes a minute screen drum and No. two minute screen drums, a minute screen drum with No. two minute screen drums are connected, be equipped with the mesh on No. two minute screen drums, also be equipped with the mesh on a minute screen drum, no. two individual mesh areas that divide screen drum are less than a single mesh area that divides screen drum.

Further, the first screening cylinder is connected with the second screening cylinder through a connecting rod.

Further, the external diameter of a minute sieve section of thick bamboo is less than No. two internal diameters of minute sieve section of thick bamboo, a minute sieve section of thick bamboo sets up in No. two minute sieve sections of thick bamboo.

Further, drive assembly includes driving shaft and driven shaft, the driving shaft with bear the base and be connected, the driven shaft also with bear the base and be connected, the driving shaft with No. two divide the sieve section of thick bamboo to be connected, the driven shaft also with No. two divide the sieve section of thick bamboo to be connected.

Further, the driving shaft is connected with a rotating motor.

Further, a driving gear is arranged on the driving shaft, a driven gear is arranged on the driven shaft, a toothed ring is arranged on the second screening drum, the toothed ring is meshed with the driving gear, and the toothed ring is meshed with the driven gear.

The feeding mechanism comprises a feeding box, an inclined pipeline and a bearing rod, one end of the bearing rod is connected with the bearing base, the other end of the bearing rod is connected with the inclined pipeline, and the inclined pipeline is connected with the feeding box.

The screening assembly is movably connected with the screening assembly through a screening mechanism; the discharging mechanism comprises a supporting component and a lifting component, and the supporting component is connected with the lifting component; the lifting assembly comprises a hydraulic cylinder and a telescopic rod, the hydraulic cylinder is connected with the supporting assembly, and the hydraulic cylinder is connected with the telescopic rod; the lifting assembly further comprises a connecting assembly, the connecting assembly is connected with the second screening drum, and the connecting assembly is movably connected with the telescopic rod.

Furthermore, a bearing box is further arranged on the bearing base and movably connected with the bearing base.

Furthermore, a movable cover plate is further arranged on the second screening drum and is movably connected with the second screening drum.

Compared with the prior art, the beneficial effects of the utility model are that: divide a sieve section of thick bamboo and divide a sieve section of thick bamboo rotation with No. two through drive assembly drive, and divide a single mesh area of a sieve section of thick bamboo to be less than a single mesh area who divides a sieve section of thick bamboo for No. two for the grit is screened step by step, has replaced traditional dull and stereotyped screening mode, has improved the screening efficiency of grit, has reduced staff's intensity of labour, simple structure, and the ejection of compact is convenient.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the distribution structure of the driving shaft and the driven shaft;

FIG. 3 is a schematic view of a connection structure between a second sizing drum and a first position-limiting ring;

FIG. 4 is a schematic view of a connection structure between a first screening drum and a second screening drum;

FIG. 5 is a schematic view of the connection structure of the discharging mechanism;

fig. 6 is a top view of the overall structure of the present invention;

the notation in the figure is: 1. a load floor; 2. a load bearing side plate; 3. a rotating electric machine; 4. a drive shaft; 5. a driving gear; 6. a driven shaft; 7. a driven gear; 8. a bearing plate; 9. a second screening drum; 10. a toothed ring; 11. fixing the side ring; 12. a first screening drum; 13. a first connecting rod; 14. sealing the cover plate; 15. a first limit ring; 16. a second limiting ring; 17. a second connecting rod; 18. supporting the transverse plate; 19. supporting the vertical rod; 20. connecting the top plate; 21. a hydraulic cylinder; 22. a telescopic rod; 23. a carrier bar; 24. inclining the pipeline; 25. a feeding box; 26. a removable cover plate; 27. a carrying box; 28. a first handle; 29. and a second handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Screening equipment, including bearing base, screening mechanism and discharge mechanism, bear the base with screening mechanism connects, bear the base with discharge mechanism connects, screening mechanism with discharge mechanism connects.

The bearing base comprises a bearing bottom plate 1 and a bearing side plate 2, and the bearing base is connected with the bearing side plate 2. Preferably, two bearing side plates 2 are arranged, and the bearing side plates 2 are arranged at two ends of the bearing bottom plate 1. The bearing bottom plate 1 is provided with a bearing box 27, and the bearing box 27 is used for bearing the screened sand. The bearing box 27 is movably connected with the bearing bottom plate 1. The carrying box 27 is provided with a first handle 28.

Screening mechanism includes drive assembly and screening subassembly, drive assembly with screening subassembly is connected. The driving assembly comprises a driving shaft 4 and a driven shaft 6, the driving shaft 4 is connected with two ends of the bearing base, the driven shaft 6 is also connected with two ends of the bearing base, the driving shaft 4 is arranged on one side of the bearing base, and the driven shaft 6 is arranged on the other side of the bearing base. The driving shaft 4 is connected with the bearing side plate 2, and the driven shaft 6 is also connected with the bearing side plate 2. Optionally, the plane of the driving shaft 4 and the driven shaft 6 is parallel to the bearing bottom plate 1. The driving shaft 4 is connected with the second screening drum 9, and the driven shaft 6 is also connected with the second screening drum 9.

One end of the driving shaft 4 is connected with a rotating motor 3, and the other end of the driving shaft 4 is provided with a bearing plate 8; bearing plates 8 are arranged at two ends of the driven shaft 6, and the bearing plates 8 are used for fixing the driving shaft 4. The screening subassembly includes a branch sieve section of thick bamboo 12 and No. two branch sieve sections of thick bamboos 9, a branch sieve section of thick bamboo 12 sets up in No. two branch sieve sections of thick bamboos 9, the external diameter of a branch sieve section of thick bamboo 12 is less than No. two branch sieve sections of thick bamboo 9's internal diameter. No. one divide screen drum 12 with divide screen drum 9 to be connected No. two, divide screen drum 12 through a connecting rod 13 with divide screen drum 9 to be connected No. two, a connecting rod 13 is provided with two at least. Preferably, the number of the first connecting rods 13 is four, and the first connecting rods 13 are respectively arranged at two ends of the first screening drum 12. Be equipped with the mesh on No. two branch screen drums 9, also be equipped with the mesh on No. one branch screen drum 12, no. two single mesh areas of branch screen drum 9 are less than single mesh area of a branch screen drum 12.

Two ends of the second screening cylinder 9 are provided with toothed rings 10. The driving shaft 4 is provided at both ends thereof with driving gears 5, and the driven shaft 6 is provided at both ends thereof with driven gears 7. The gear ring 10 is engaged with the driving gear 5, and the gear ring 10 is engaged with the driven gear 7. The toothed ring 10 is fixed at two ends of the second screening drum 9 through a fixed side ring 11. In this embodiment, four fixed side rings 11 are provided, two toothed rings 10 are fixed by two fixed side rings 11, respectively, and the toothed rings 10 are located between the two fixed side rings 11.

During the use, bear the weight of the rotating electrical machines 3 in the 2 outsides of curb plate through the start, it is together rotatory to drive driving shaft 4 and two sets of driving gear 5, thereby through driven gear 7 on ring gear 10 cooperation driven shaft 6, bearing plate 8 and a spacing ring 15 drive No. two and divide screen drum 9 to rotate, and then it is rotatory to drive No. one branch screen drum 12 under the cooperation of a connecting rod 13, the realization is to screening step by step of grit, traditional dull and stereotyped screening mode has been replaced, can avoid the grit to take place to block up at the screening in-process, the screening efficiency of grit has been improved.

Discharge mechanism with screening subassembly swing joint, discharge mechanism includes supporting component and lifting unit, the supporting component with lifting unit connects, the supporting component is used for supporting lifting unit. The supporting component comprises a supporting transverse plate 18, a supporting vertical rod 19 and a connecting top plate 20, the supporting transverse plate 18 is connected with the supporting vertical rod 19, and the supporting vertical rod 19 is connected with the connecting top plate 20. The supporting vertical rods 19 are arranged in the middle of the supporting transverse plate 18, and the two ends of the connecting top plate 20 are respectively connected with the supporting vertical rods 19. The two ends of the supporting transverse plate 18 are respectively connected with the bearing side plates 2.

The lifting assembly comprises a hydraulic cylinder 21 and an expansion rod 22, the hydraulic cylinder 21 is connected with the connecting top plate 20, and the hydraulic cylinder 21 is connected with the expansion rod 22. The lifting assembly further comprises a connecting assembly, and the connecting assembly is used for lifting the second screening drum 9. The connecting assembly is connected with the second screening drum 9, and the connecting assembly is movably connected with the telescopic rod 22. The coupling assembling includes spacing ring 15 and No. two spacing rings 16, a spacing ring 15 with No. two spacing rings 16 are connected. Optionally, the two sets of the second limiting rings 16 are respectively connected with the first limiting ring 15 through a second connecting rod 17. Preferably, the first limiting ring 15 is connected with the telescopic rod 22 through a connecting chain.

The feeding mechanism comprises a feeding box 25, a bearing rod 23 is fixedly connected to the middle position of one side of the bearing side plate 2, and an inclined pipeline 24 is fixedly connected to the upper end of the bearing rod 23. The bearing rod 23 is L-shaped, and the inclined pipeline 24 and the bearing bottom plate 1 are arranged at an angle of 30 degrees, so that feeding is facilitated. A sealing cover plate 14 is arranged on one side of the second screening drum 9, a movable cover plate 26 is arranged on the other side of the second screening drum 9, the movable cover plate 26 is movably connected with the second screening drum 9, and a feeding box 25 is fixedly connected with an inclined pipeline 24. The sealing cover plate 14 is circular, preferably, the inner diameter of the sealing cover plate 14 is smaller than or equal to the outer diameter of the first screening cylinder 12, and the inner diameter of the sealing cover plate 14 is larger than or equal to the inner diameter of the first screening cylinder 12.

When the sand screening device is used, sand is firstly poured into the feeding box 25, then the sand penetrates through the sealing cover plate 14 and is guided into the first screening cylinder 12 under the action of the inclined pipeline 24 at the upper end of the bearing rod 23, the structure is simple, the feeding is convenient and fast, and the screening efficiency of the sand is improved.

After the fine gravel falls into the bearing box 27 after being completely screened, the hydraulic cylinder 21 connected with the upper surface of the top plate 20 is started to drive the telescopic rod 22 to contract, so that the screening mechanism is driven to move upwards, and large-particle gravel inside the first screening barrel 12 is obliquely poured out by lifting the second handle 29 on the second limiting ring 16 to be matched with the connecting chain, and the gravel can be poured out from the sealing cover plate 14. Then open removable cover 26 through the hinge, pour the grit between No. one minute screen drum 12 and No. two minute screen drums 9, this can avoid the grit to take place to mix in the ejection of compact process, has convenient hierarchical ejection of compact function, has reduced staff's intensity of labour, has improved screening efficiency. Just the utility model discloses simple structure, convenient to use, the reliability is high.

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

1. The screening equipment is characterized by comprising a bearing base and a screening mechanism, wherein the bearing base is connected with the screening mechanism, the screening mechanism comprises a driving assembly and a screening assembly, the driving assembly is connected with the bearing base, and the driving assembly is connected with the screening assembly; the screening component comprises a first screening cylinder and a second screening cylinder, the first screening cylinder is connected with the second screening cylinder, meshes are arranged on the second screening cylinder, meshes are also arranged on the first screening cylinder, and the area of a single mesh of the second screening cylinder is smaller than that of a single mesh of the first screening cylinder;

the driving assembly comprises a driving shaft and a driven shaft, the driving shaft is connected with the bearing base, the driven shaft is also connected with the bearing base, the driving shaft is connected with the second screening drum, and the driven shaft is also connected with the second screening drum; the driving shaft is connected with a rotating motor; the driving shaft is provided with a driving gear, the driven shaft is provided with a driven gear, the second screening drum is provided with a toothed ring, the toothed ring is meshed with the driving gear, and the toothed ring is meshed with the driven gear.

2. A screening apparatus as claimed in claim 1, wherein the first sizing drum is connected to the second sizing drum by a connecting rod.

3. A screening apparatus according to claim 2, wherein the outside diameter of the first screening cylinder is smaller than the inside diameter of the second screening cylinder, the first screening cylinder being disposed within the second screening cylinder.

4. A screening apparatus according to any one of claims 1 to 3, further comprising a feeding mechanism, the feeding mechanism comprising a feeding box, an inclined duct and a carrier bar, one end of the carrier bar being connected to the carrier base, the other end of the carrier bar being connected to the inclined duct, the inclined duct being connected to the feeding box.

5. A screening apparatus according to any one of claims 1 to 3, further comprising a discharge mechanism, the discharge mechanism being movably connected to the screen assembly; the discharging mechanism comprises a supporting component and a lifting component, and the supporting component is connected with the lifting component; the lifting assembly comprises a hydraulic cylinder and a telescopic rod, the hydraulic cylinder is connected with the supporting assembly, and the hydraulic cylinder is connected with the telescopic rod; the lifting assembly further comprises a connecting assembly, the connecting assembly is connected with the second screening drum, and the connecting assembly is movably connected with the telescopic rod.

6. A screening apparatus as claimed in claim 5, wherein a carrying box is also provided on said carrying base, said carrying box being movably connected to said carrying base.

7. A screening device according to claim 5, wherein a movable cover plate is further arranged on the second screening drum and movably connected with the second screening drum.