CN214638023U

CN214638023U - Grit screening plant for housing construction

Info

Publication number: CN214638023U
Application number: CN202120977075.0U
Authority: CN
Inventors: 李方军; 周国东; 周英军
Original assignee: Sichuan Qingfeng Construction Engineering Co ltd
Current assignee: Sichuan Qingfeng Construction Engineering Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-09
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to a grit screening plant for house construction, it includes the frame, it is connected with an outer sieve section of thick bamboo to rotate in the frame, fixed cover is equipped with well sieve section of thick bamboo in the outer sieve section of thick bamboo, fixed cover is equipped with interior sieve section of thick bamboo in well sieve section of thick bamboo, outer sieve section of thick bamboo, well sieve section of thick bamboo and all set up the sieve mesh that supplies the grit raw materials to pass through on the interior sieve section of thick bamboo, just the sieve mesh of interior sieve section of thick bamboo is greater than the sieve mesh of well sieve section of thick bamboo, the sieve mesh of well sieve section of thick bamboo is greater than the sieve mesh of outer sieve section of thick bamboo, still be provided with in the frame and be used for the drive outer sieve section of thick bamboo pivoted drive assembly. This application has the advantage that screening efficiency is high, the separation effect is good.

Description

Grit screening plant for housing construction

Technical Field

The application relates to building grit screening plant technical field especially relates to a grit screening plant for house construction.

Background

When building facilities are built, a large amount of silt, broken stone and other raw materials are used, the raw materials are usually particle mixtures with different particle sizes, and the particle sizes of the raw materials have great influence on the building construction quality during building construction, so that the raw materials need to be sieved before use.

To the above-mentioned problem, chinese patent that the grant publication number is CN212596927U discloses a grit screening plant, it includes the support body, be provided with the conveyer belt on the support body, the conveyer belt slope sets up, the top that just is located the conveyer belt lower extreme on the support body is provided with the sieve feed cylinder, the top that just is located the conveyer belt highest extreme on the support body is provided with the feeding support, the fixed feeder hopper that is provided with in top of feeding support, the exit end and the sieve feed cylinder of feeder hopper are linked together, one side on the feeding support is provided with and connects the silo, the spout has all been seted up along self length direction in the both sides of feeding support, the both sides that connect the silo all are provided with the slider, the slider slides and sets up in the spout, collect the material that falls scattered through connecing the silo to avoid the material to drop to the ground.

To the correlation technique among the above-mentioned, the inventor thinks that above-mentioned screening plant is difficult to sieve out the grit that the particle size is different, and the screening effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the screening efficiency of grit, this application provides a grit screening plant for house construction.

The application provides a pair of grit screening plant for house construction adopts following technical scheme:

the utility model provides a grit screening plant for house construction, includes the frame, it is connected with an outer sieve section of thick bamboo to rotate in the frame, fixed cover is equipped with well sieve section of thick bamboo in the outer sieve section of thick bamboo, fixed cover is equipped with interior sieve section of thick bamboo in well sieve section of thick bamboo, well sieve section of thick bamboo and all set up the sieve mesh that supplies the grit raw materials to pass through on the interior sieve section of thick bamboo, just the sieve mesh of interior sieve section of thick bamboo is greater than the sieve mesh of well sieve section of thick bamboo, the sieve mesh of well sieve section of thick bamboo is greater than the sieve mesh of an outer sieve section of thick bamboo, still be provided with in the frame and be used for the drive outer sieve section of thick bamboo pivoted drive assembly.

Through adopting above-mentioned technical scheme, in adding the grit raw materials that different particle diameters are mixed to interior sieve section of thick bamboo, a drive assembly drive interior sieve section of thick bamboo, well sieve section of thick bamboo and outer sieve section of thick bamboo rotate together, because outer sieve section of thick bamboo, the sieve mesh size difference of interior sieve section of thick bamboo and well sieve section of thick bamboo, the great grit of particle diameter is by the separation in the sieve section of thick bamboo including the separation, the grit of medium particle diameter is by well sieve section of thick bamboo separation, the grit of less particle diameter spills from outer sieve section of thick bamboo at last, then separate the grit sieve of different size grades, for use, screening efficiency is high.

Optionally, a plurality of branch sieves are fixedly arranged on the inner side wall of the inner sieve cylinder, the branch sieves are arranged along the length direction of the inner sieve cylinder in an extending mode, and the branch sieves are perpendicular to the inner side wall of the inner sieve cylinder.

Through adopting above-mentioned technical scheme, divide the sieve plate and can scrape the grit raw materials in the interior sieve section of thick bamboo and take to the eminence, then fall the sieve again and spill, improved the screening efficiency of grit raw materials.

Optionally, the sub-sieve plates are arranged on the inner side wall of the inner sieve cylinder and are distributed at intervals.

Through adopting above-mentioned technical scheme, divide the sieve plate can comparatively even sieve to spill to make the grit of different particle size separate more easily.

Optionally, the inner screen cylinder, the middle screen cylinder and the outer screen cylinder are cylindrical.

Through adopting above-mentioned technical scheme, the structure of cylinder type can make an interior sieve section of thick bamboo, a well sieve section of thick bamboo and an outer sieve section of thick bamboo rotate more stably smooth and easy, and screening effect is good.

Optionally, the drive assembly includes ring gear, driving gear and driving piece, the fixed cover of ring gear is established on the outer sieve section of thick bamboo lateral wall, the driving piece is fixed to be set up in the frame, the driving piece output shaft with the coaxial fixed connection of driving gear, the driving gear with the ring gear meshing.

Through adopting above-mentioned technical scheme, driving piece drive driving gear rotates, and the driving gear drives the ring gear and rotates, drives outer sieve section of thick bamboo rotation then.

Optionally, the outer screen drum is arranged obliquely.

Through adopting above-mentioned technical scheme, the grit raw materials after can conveniently sieving in time discharges, improves screening efficiency.

Optionally, the lower end of the middle screen drum extends out of the outer screen drum, and the lower end of the inner screen drum extends out of the middle screen drum.

Through adopting above-mentioned technical scheme, can make the grit raw materials of different particle diameters discharge respectively, be difficult to mix together, conveniently receive the material.

Optionally, a dust cover is fixedly arranged on the frame, and the dust cover is arranged above the outer screen drum.

Through adopting above-mentioned technical scheme, the dust cover can the separation produce during the screening smoke and dust, plays the effect of environmental protection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the outer screen cylinder, the middle screen cylinder and the inner screen cylinder are sleeved, so that gravels with different particle sizes are separated, the raw materials of the gravels with different particle size ranges are obtained, and the screening efficiency is improved;

2. the screening efficiency of the sandstone raw material is further improved through the screening effect of the screening plate;

3. through setting up the dust cover, the smoke and dust that produces when reducing the screening plays the effect that improves the construction environment.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Figure 3 is a schematic diagram showing the construction of screen assemblies according to an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion C in fig. 3.

Description of reference numerals: 1. a frame; 11. a stop block; 111. a stop groove; 112. a rolling post; 113. a rotating groove; 114. rotating the column; 12. a limiting block; 121. a limiting groove; 122. a spin column; 13. a feeding bin; 14. a feed pipe; 15. a dust cover; 2. a screen assembly; 21. an inner screen cylinder; 22. a middle screen drum; 23. an outer screen cylinder; 24. a support bar; 25. an upper convex edge; 26. a lower convex edge; 27. separating the sieve plate; 3. a drive assembly; 31. a driving gear; 32. a ring gear; 33. a drive member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses grit screening plant for house construction. The screening device can be used for screening the building construction sandstone raw materials, and can screen the sandstone raw materials with different grain sizes according to the grain size of sandstone. Referring to fig. 1 and 2, the gravel screening device for building construction comprises a frame 1, a screening component 2 and a driving component 3 are installed on the frame 1, the screening component 2 comprises an inner screen cylinder 21, a middle screen cylinder 22 and an outer screen cylinder 23, the inner screen cylinder 21, the middle screen cylinder 22 and the outer screen cylinder 23 are fixedly sleeved with each other from inside to outside in sequence and are rotatably connected to the frame 1. A drive assembly 3 drive outer sieve section of thick bamboo 23 rotates, and a sieve section of thick bamboo 22 and an interior sieve section of thick bamboo 21 synchronous rotation in outer sieve section of thick bamboo 23 drives, through interior sieve section of thick bamboo 21, well sieve section of thick bamboo 22 and an outer sieve section of thick bamboo 23 layering, divide the particle diameter to sieve the grit raw materials, both improved screening efficiency, can sieve out the grit of different particle diameters size again to the convenient construction needs.

Referring to fig. 1 and 2, the outer screen drum 23, the middle screen drum 22 and the inner screen drum 21 are all cylindrical tubular structures, the outer screen drum 23 is obliquely arranged, and a feed inlet is formed at the higher end of the outer screen drum 23. Be fixed with feeding storehouse 13 on the frame 1, feeding storehouse 13 is trapezoidal platform type box-shaped structure, and the bottom intercommunication in feeding storehouse 13 has conveying pipe 14, and conveying pipe 14's free end stretches into in the feed inlet of an outer sieve section of thick bamboo 23 to carry the grit raw materials in the outer sieve section of thick bamboo 23. The outer side wall of the outer screen drum 23 is provided with screen holes, and the sandstone raw materials entering the outer screen drum 23 can fall from the screen holes when the outer screen drum 23 rotates continuously.

Referring to fig. 2 and 3, the middle screen cylinder 22 is arranged in the outer screen cylinder 23 in a penetrating manner, the inner screen cylinder 21 is arranged in the middle screen cylinder 22 in a penetrating manner, the inner screen cylinder 21, the middle screen cylinder 22 and the outer screen cylinder 23 are coaxial, a space is arranged between the inner screen cylinder 21 and the middle screen cylinder 22, and a space is arranged between the middle screen cylinder 22 and the outer screen cylinder 23, so that sand and stone raw materials can pass through. The mesh diameters of the outer screen drum 23, the middle screen drum 22 and the inner screen drum 21 are sequentially increased. In the preferred embodiment, the outer screen drum 23 has a screen hole for allowing sand with a particle size of 3.5mm or less to pass through, and for screening sand with a small particle size, the middle screen drum 22 has a screen hole for allowing sand with a particle size of 6mm or less to pass through, and for screening sand with a medium particle size, and the inner screen drum 21 has a screen hole for allowing sand with a particle size of 12mm or less to pass through, and for screening sand with a large particle size.

Referring to fig. 2 and 3, in order to enable the outer screen drum 23, the middle screen drum 22 and the inner screen drum 21 to rotate synchronously, a plurality of support rods 24 are arranged at two ends of the outer screen drum 23, eight support rods 24 are arranged at a higher end and a lower end of the outer screen drum 23 in the embodiment, four ends of the eight support rods 24 at the higher end are respectively welded and fixed with the outer screen drum 23 and the middle screen drum 22, and two ends of the remaining four support rods 24 are respectively welded and fixed with the middle screen drum 22 and the inner screen drum 21. Four ends of the eight support rods 24 at the lower end are respectively welded and fixed with the outer screen cylinder 23 and the middle screen cylinder 22, and two ends of the remaining four support rods 24 are respectively welded and fixed with the middle screen cylinder 22 and the inner screen cylinder 21, so that the outer screen cylinder 23, the middle screen cylinder 22 and the inner screen cylinder 21 are fixed together. In other embodiments, the number of the support rods 24 may be six, ten, etc., as required. In addition, in order to discharge the grit raw materials of different particle diameters respectively, the lower one end of well sieve section of thick bamboo 22 stretches out outer sieve section of thick bamboo 23 setting, and the lower one end of interior sieve section of thick bamboo 21 stretches out well sieve section of thick bamboo 22 setting to the grit raw materials of different particle diameters are difficult for mixing, convenient categorised row material.

Referring to fig. 2 and 3, in order to further improve the screening efficiency, a plurality of sub-screen plates 27 are welded and fixed on the inner wall of the inner screen cylinder 21, the sub-screen plates 27 are in a long rectangular plate shape, the length direction of the sub-screen plates 27 is consistent with the axial direction of the inner screen cylinder 21, the side walls of the sub-screen plates 27 in the thickness direction are perpendicular to the inner wall of the inner screen cylinder 21, and the sub-screen plates 27 are distributed around the axial line of the inner screen cylinder 21 at uniform circumferential intervals. The number of the screen plates 27 in this embodiment is preferably six, and in other embodiments may be eight, ten, or the like. When in use, the screening plate 27 can move to a higher position with a part of the sand and stone materials when rotating along with the inner screen drum 21, and then the sand and stone materials fall down again under the action of gravity, so as to play a role in screening and separating.

Referring to fig. 3 and 4, in order to support the outer screen drum 23 and make the outer screen drum 23 rotate more smoothly, an upper convex edge 25 and a lower convex edge 26 are respectively installed at two ends of the outer screen drum 23 in the length direction, the upper convex edge 25 and the lower convex edge 26 are both annular convex edges, the upper convex edge 25 is located at the higher end of the outer screen drum 23, and the lower convex edge 26 is located at the lower end of the outer screen drum 23. The upper convex edge 25 and the lower convex edge 26 are coaxially welded and fixed with the outer screen drum 23, and the lower convex edge 26 is flush with the end face of the outer screen drum 23. A stop block 11 is fixedly welded below the lower end of the outer screen drum 23 of the frame 1, the stop block 11 is an arc-shaped stop block, a stop groove 111 is formed in the side wall of the stop block 11 facing the outer screen drum 23, the projection of the stop groove 111 along the direction parallel to the axis of the outer screen drum 23 is arc-shaped, and a lower convex edge 26 is embedded in the stop groove 111. Moreover, the stop slot 111 is rotatably connected with a plurality of rolling posts 112, the rolling posts 112 are cylindrical structures, the rotation axes of the rolling posts 112 are consistent with the rotation axis of the outer screen drum 23, and the rolling posts 112 are uniformly distributed at intervals along the moving direction of the stop slot 111. The outer side wall of the rolling column 112 abuts against the outer ring wall of the lower flange 26, and the rolling column 112 can reduce the friction force between the outer screen drum 23 and the frame 1 when rotating, so that the outer screen drum 23 can rotate smoothly. In addition, a plurality of rotating grooves 113 are formed in the groove wall of the stop groove 111 facing the end face of the outer screen drum 23, and the plurality of rotating grooves 113 are uniformly arranged at intervals along the moving direction of the stop groove 111. The rotating groove 113 is rotatably connected with a rotating column 114, the rotating column 114 is a cylindrical structure, the outer peripheral wall of the rotating column 114 abuts against the end face of the outer screen drum 23, the extension of the rotating axis of the rotating column 114 passes through the rotating axis of the outer screen drum 23, and the rotating column 114 can reduce the friction between the side wall of the stopping groove 111 and the end face of the outer screen drum 23 when rotating, so that the outer screen drum 23 can rotate more smoothly.

Referring to fig. 3 and 5, the frame 1 is welded and fixed with a limiting block 12 below the higher end of the outer screen drum 23, the limiting block 12 is an arc-shaped block structure, a limiting groove 121 is formed in the limiting block 12, the limiting groove 121 is an arc-shaped groove, and the upper convex edge 25 is embedded in the limiting groove 121. The limiting groove 121 is rotatably connected with a plurality of rotating columns 122, each rotating column 122 is of a cylindrical columnar structure, and the plurality of rotating columns 122 are arranged at equal intervals along the moving direction of the limiting groove 121. The outer side wall of the rotary column 122 abuts against the outer annular wall of the upper flange 25, and the rotation axis of the rotary column 122 coincides with the rotation axis of the outer screen drum 23. In use, the rotating column 122 and the rolling column 112 are engaged to make the outer screen drum 23 rotate stably and smoothly on the frame 1.

Referring to fig. 1, the driving assembly 3 includes a gear ring 32, a driving gear 31 and a driving member 33, the gear ring 32 is coaxially sleeved at a higher end of the outer screen drum 23, in this embodiment, the gear ring 32 is an outer gear ring, the driving member 33 is a servo motor, the driving member 33 is bolted on the frame 1, an output shaft of the driving member 33 is coaxially and fixedly connected with the driving gear 31, and the driving gear 31 is engaged with the gear ring 32 to provide power for rotation of the outer screen drum 23.

Referring to fig. 1, a dust cover 15 is further fixed on the frame 1, the dust cover 15 is an arc-shaped plate, the dust cover 15 is arranged above the outer screen drum 23, and the dust cover 15 and the outer screen drum 23 are coaxial. The dust cover 15 can reduce the spread of dust and improve the environmental conditions at the construction site.

The utility model provides a building construction is with grit screening plant's implementation principle does: when using, carry mixed grit raw materials to interior sieve section of thick bamboo 21 in, drive assembly 3 drive interior sieve section of thick bamboo 21, well sieve section of thick bamboo 22 and outer sieve section of thick bamboo 23 rotate in step, and the grit raw materials of different particle diameters obtains the grit of corresponding particle diameter scope after screening layer upon layer in the mixed grit raw materials to supply the building construction to use, convenient and fast, screening efficiency is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grit screening plant for house construction, includes frame (1), its characterized in that: the utility model discloses a sand screening machine, including frame (1), frame (1) go up the rotation and be connected with outer sieve section of thick bamboo (23), fixed cover is equipped with well sieve section of thick bamboo (22) in outer sieve section of thick bamboo (23), fixed cover is equipped with interior sieve section of thick bamboo (21) in well sieve section of thick bamboo (22), outer sieve section of thick bamboo (23), well sieve section of thick bamboo (22) and all set up the sieve mesh that supplies the grit raw materials to pass through on interior sieve section of thick bamboo (21), just the sieve mesh of interior sieve section of thick bamboo (21) is greater than the sieve mesh of well sieve section of thick bamboo (22), the sieve mesh of well sieve section of thick bamboo (22) is greater than the sieve mesh of outer sieve section of thick bamboo (23), still be provided with on frame (1) and be used for the drive outer sieve section of thick bamboo (23) pivoted drive assembly (3).

2. The sand and stone screening device for house construction according to claim 1, characterized in that: a plurality of branch sieves (27) are fixedly arranged on the inner side wall of the inner sieve tube (21), the branch sieves (27) are arranged along the length direction of the inner sieve tube (21) in an extending manner, and the branch sieves (27) are perpendicular to the inner side wall of the inner sieve tube (21).

3. The sand and stone screening device for house construction according to claim 2, characterized in that: the sub-sieve plates (27) are arranged on the inner side wall of the inner sieve drum (21) and are distributed at intervals.

4. The sand screening device for house construction according to any one of claims 1 to 3, characterized in that: the inner screen drum (21), the middle screen drum (22) and the outer screen drum (23) are cylindrical.

5. The sand and stone screening device for house construction according to claim 1, characterized in that: drive assembly (3) include ring gear (32), driving gear (31) and driving piece (33), ring gear (32) fixed cover is established on outer sieve section of thick bamboo (23) lateral wall, driving piece (33) are fixed to be set up in frame (1), driving piece (33) output shaft with the coaxial fixed connection of driving gear (31), driving gear (31) with ring gear (32) meshing.

6. The sand and stone screening device for house construction according to claim 1, characterized in that: the outer screen drum (23) is obliquely arranged.

7. The sand and stone screening device for house construction according to claim 6, wherein: the lower end of the middle screen drum (22) extends out of the outer screen drum (23), and the lower end of the inner screen drum (21) extends out of the middle screen drum (22).

8. The sand and stone screening device for house construction according to claim 1, characterized in that: a dust cover (15) is fixedly arranged on the rack (1), and the dust cover (15) is covered above the outer screen drum (23).