CN219111748U

CN219111748U - Broken recovery unit of building concrete

Info

Publication number: CN219111748U
Application number: CN202320027585.0U
Authority: CN
Inventors: 胡迪; 胡宜德
Original assignee: Hubei Huidi Changsheng Technology Co ltd
Current assignee: Hubei Huidi Changsheng Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-02
Anticipated expiration: 2033-01-04

Abstract

The utility model relates to a concrete recovery processing equipment technical field specifically discloses a broken recovery unit of building concrete, and it includes the base and sets up the crushing mechanism on the base, corresponds crushing mechanism's discharge end on the base and is provided with screening bucket, is provided with the screen cloth in the screening bucket in the removable, and the screen cloth slope sets up, and the discharge gate has been seted up to the slope lower extreme department that the screening bucket corresponds the screen cloth, is provided with the drive assembly who is used for driving screening bucket vibration on the base. The application improves the problem that crushed concrete has various granularity crushed aggregates to mix.

Description

Broken recovery unit of building concrete

Technical Field

The application relates to the technical field of concrete recycling equipment, in particular to a building concrete crushing and recycling device.

Background

With the development of science and technology and economy, urban infrastructure is also continuously perfected, and when new buildings are built, old buildings are removed, so that a large amount of waste concrete is generated. At present, waste concrete is often treated by a burying or open-air stacking method, and the method solves the problem of storing the waste concrete, but not only causes the waste of resources, but also causes the problem of environmental pollution. Therefore, it is important to recycle the waste concrete.

The technical scheme is that the crushing device comprises a crushing mechanism and a discharging cylinder, wherein the crushing mechanism comprises an equipment body, the whole equipment body is of a square structure, a material guide piece is arranged at the top end of the equipment body, and a material inlet groove is formed in the material guide piece; a driving shaft is arranged in the equipment body, and two ends of the driving shaft penetrate out of the equipment body and are connected with a rotating shaft of a driving motor; the driving shaft is provided with crushing rollers, and two groups of driving shafts are arranged side by side; a discharge chute is arranged in the discharge cylinder, and the discharge chute is communicated with the inside of the equipment body. The driving motor drives the driving shaft to rotate so as to drive the crushing roller to rotate, and the concrete entering the equipment body is crushed.

For the related art, crushed aggregates crushed by the concrete crushing device are mixed materials with various granularities, and crushed aggregates with different granularities often have different effects and purposes, such as: coarse aggregate with larger maximum grain size is often selected for preparing low-strength concrete, and fine aggregate with smaller maximum grain size is often selected for preparing high-strength concrete; there are a number of particle size compounds that do not meet such production requirements and therefore, there is a need for improvement.

Disclosure of Invention

In order to solve the problem that crushed concrete has various granularity crushed aggregates to mix, the application provides a broken recovery device of building concrete.

The application provides a broken recovery unit of building concrete adopts following technical scheme:

the utility model provides a broken recovery unit of building concrete, is in including base and setting broken mechanism on the base, correspond on the base broken mechanism's discharge end is provided with screening bucket, the detachable screen cloth that is provided with in the screening bucket, the screen cloth slope sets up, screening bucket corresponds the slope lower extreme department of screen cloth has seted up the discharge gate, be provided with on the screening bucket and be used for driving screening bucket vibrating drive assembly.

By adopting the technical scheme, when the concrete mixer is used, the crushing mechanism crushes concrete, crushed aggregates enter the screening barrel from the crushing mechanism and fall on the screen mesh, the driving assembly drives the screening barrel to vibrate, the screening barrel drives the screen mesh to vibrate, fine aggregate with the diameter smaller than that of the screen mesh falls through the screen mesh under the vibration action of the screen mesh, and coarse aggregate with the diameter larger than that of the screen mesh moves to the discharge port along the inclined surface of the screen mesh; the screening of the coarse aggregate and the fine aggregate is realized, and the problem that crushed concrete has various granularity crushed aggregates is solved.

Optionally, a plurality of fixed bars have set firmly on the screening bucket, fixed bar up end rotates and is connected with the stationary blade, the axis of rotation of stationary blade is perpendicular to fixed bar up end, the fixed bar is kept away from the breach has been seted up on the one end upper portion of screening bucket inner wall, screen cloth up end with the separable butt of stationary blade, lower terminal surface with diapire separable butt under the breach.

Through adopting above-mentioned technical scheme, place the screen cloth in the breach position, make terminal surface and breach diapire butt under the screen cloth, rotate the stationary blade, make its and screen cloth up end separation or butt, realize the detachable connection of screen cloth and screening bucket.

Optionally, an access hole for taking and placing the screen is formed in the side wall of the screening barrel, and an access door is arranged on the screening barrel in an opening and closing manner at the access hole.

Through adopting above-mentioned technical scheme, the staff opens the access door, takes out the screen cloth in access hole department, realizes the maintenance of screen cloth, improves the life of device.

Optionally, the screen cloth in be height form interval in the screening bucket and be provided with a plurality ofly, and the sieve mesh aperture of below screen cloth is less than the sieve mesh aperture of top screen cloth, the discharge gate corresponds the screen cloth is provided with a plurality ofly, the base in every discharge gate department all is provided with the transport mechanism who is used for conveying crushed aggregates.

Through adopting above-mentioned technical scheme, through setting up a plurality of screens, screen cloth step by step to the compounding that exists multiple granularity, obtain the crushed aggregates of multiple specific granularity and carry to different places by transport mechanism and store, realize the recovery of crushed aggregates.

Optionally, a dust cover for sealing connection between the feeding end of the screening barrel and the discharging end of the crushing mechanism is arranged between the feeding end and the discharging end of the crushing mechanism.

By adopting the technical scheme, the feeding end of the screening barrel is in sealing connection with the discharging end of the crushing mechanism through the dust cover, so that on one hand, dust emission is inhibited, and the pollution to the environment caused by the dust emission is reduced; on the other hand, the potential safety hazard caused by the splashing of the crushed aggregates is prevented.

Optionally, a damper for damping and fixing the screening barrel to the base is arranged on the base.

Through adopting above-mentioned technical scheme, set up the bumper shock absorber between screening bucket and base, reduce and absorb the vibration of screening bucket conduction through the bumper shock absorber, improved the durability and the stability of device.

Optionally, the opening has been seted up to screening bucket lower extreme, be provided with the feed bin on the base, the feed bin feed inlet is located under the opening.

Through adopting above-mentioned technical scheme, the powder that very easily produces the raise dust after the screening falls into the feed bin, realizes the storage of powder by the feed bin, can produce the problem of raise dust when having improved the powder and falling down, has reduced the pollution that causes the environment because of the raise dust.

Optionally, the screening bucket in discharge gate department is provided with dustproof curtain, dustproof curtain upper end with screening bucket lateral wall fixed connection, the lower extreme hang in discharge gate department.

By adopting the technical scheme, on one hand, the dust curtain is arranged, so that flying dust in the screening barrel is reduced to float outside, and the splashing of crushed aggregates in the screening barrel is prevented; on the other hand, the setting mode of dustproof curtain is hung and establishes, when crushed aggregates discharge volume is great, still can coil dustproof curtain, increases the interval of dustproof curtain lower extreme and discharge gate lower extreme, prevents to reduce the discharge efficiency of discharge gate because of the blocking of dustproof curtain, and then leads to the crushed aggregates to pile up on the screen cloth, influences screening efficiency.

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

1. the method comprises the steps that a screening barrel with a screen is arranged at the discharge end of a crushing mechanism, and crushed concrete mixed materials are screened, so that fine aggregate and coarse aggregate are separated;

2. the dust cover, the dust curtain and the bin are arranged, so that dust emission is effectively restrained, and the pollution to the environment is reduced;

3. and the damping arrangement between the screening barrel and the base improves the durability and stability of the device.

Drawings

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

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals: 1. a base; 2. a crushing mechanism; 21. a housing; 22. a crushing roller; 23. a driving motor; 3. screening barrels; 31. a discharge port; 32. a fixing strip; 33. a fixing piece; 34. an access door; 35. a dust-proof curtain; 4. a drive assembly; 41. a vibration motor; 5. a screen; 6. a conveying mechanism; 7. a dust cover; 8. a storage bin; 9. a shock absorber.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a broken recovery unit of building concrete. Referring to fig. 1 and 2, a construction concrete crushing and recycling device comprises a base 1, a crushing mechanism 2 arranged on the base 1 and used for crushing concrete, and a screening mechanism positioned at the discharge end of the crushing mechanism 2 and used for screening crushed aggregates. When the recycling treatment of the building concrete is carried out, the concrete is crushed through the crushing mechanism 2, and then the crushed aggregates are screened by the screening mechanism, so that the crushing and screening recycling of the concrete are realized.

Referring to fig. 2, the crushing mechanism 2 includes a housing 21, two crushing rollers 22 rotatably disposed in the housing 21 side by side, and two driving motors 23 for driving the crushing rollers 22 to rotate, and openings are formed at both upper and lower ends of the housing 21. When the concrete screening device is used, concrete enters the shell 21 from the feeding end of the shell 21, the driving motor 23 drives the crushing roller 22 to rotate so as to crush the concrete, and crushed concrete particles enter the screening mechanism from the discharging end of the shell 21.

Referring to fig. 2, the screening mechanism includes a screening barrel 3 that the shock attenuation sets up on base 1, the opening has all been opened to screening barrel 3 upper and lower extreme, screening barrel 3's upper end opening is located under casing 21 lower extreme open-ended, be provided with on the screening barrel 3 and be used for driving the drive assembly 4 of screening barrel 3 vibration, be high low form interval in the screening barrel 3 and be provided with two screens 5, and the mesh aperture of below screen 5 is less than the mesh aperture of top screen 5, in other embodiments, the quantity of screen 5 can also be 3, 4 etc.. The drive assembly 4 may be a vibration motor 41, a motor driven eccentric mechanism connected to the screening drum 3, etc., which in this embodiment is preferably a vibration motor 41, the vibration motor 41 being fixedly mounted on the screening drum 3. During the use, crushed aggregates after crushing get into screening bucket 3 and fall on screen cloth 5 through casing 21 discharge end, and vibrating motor 41 drive screening bucket 3 vibrations, and screening bucket 3 drives screen cloth 5 vibrations, and under the vibration effect of screen cloth 5, the diameter is less than the fine aggregate of sieve mesh and passes the sieve mesh whereabouts, and the diameter is greater than the coarse aggregate of sieve mesh and keep somewhere on screen cloth 5, realizes the screening of crushed aggregates.

Referring to fig. 2, the screens 5 are obliquely arranged, the lower end of the sidewall of the screening barrel 3 corresponding to each screen 5 is provided with a discharge hole 31, a conveying mechanism 6 for conveying crushed aggregates is arranged at each discharge hole 31 on the base 1, the conveying mechanism 6 can be any one of a belt conveyor, a mesh belt conveyor and a chain plate conveyor, an inclined material guide plate is arranged at the discharge hole 31, one end of the material guide plate is connected with the lower bottom wall of the discharge hole 31, and the other end of the material guide plate is positioned above the conveying mechanism 6. The coarse aggregate left on the screen 5 moves to the discharge port 31 along the inclined surface of the screen 5, and is transported to a designated place by the transport mechanism 6 for storage, thereby realizing recovery of the crushed aggregates.

Referring to fig. 2, two fixing strips 32 are fixedly arranged on the inner wall of the screening barrel 3 corresponding to each screen 5, the two fixing strips 32 respectively correspond to the inclined upper end and the inclined lower end of the screen 5, a notch is formed in the upper part of one end, far away from the inner wall of the screening barrel 3, of each fixing strip 32, a fixing piece 33 is rotatably connected to the upper end face of each fixing strip 32, and the rotation axis of each fixing piece 33 is perpendicular to the upper end face of each fixing strip 32; an access hole for taking and placing the screen 5 is formed in the side wall of the screening barrel 3, and the screening barrel 3 is provided with an access door 34 in an opening and closing mode at the access hole. When in use, the screen 5 is placed at the notch position, the lower end surface of the screen 5 is abutted against the lower bottom wall of the notch, the fixing piece 33 is rotated, and the fixing piece is abutted against the upper end surface of the screen 5, so that the screen 5 is fixed; during maintenance, a worker opens the access door 34, rotates the fixing piece 33 to separate the fixing piece from the upper end face of the screen 5, and can take out the screen 5 for maintenance.

In other embodiments, bolts may be used to secure the screen 5 to the securing bars 32, thereby allowing for removable connection of the screen 5 to the screening drum 3; when overhauling, open access door 34, unscrew the bolt, can take out screen cloth 5 and overhaul.

Referring to fig. 1, a plurality of dampers 9 are arranged between a base 1 and a screening barrel 3, the screening barrel 3 is installed on the base 1 through the dampers 9 in a damping manner, in this embodiment, the number of the dampers 9 is two, in other embodiments, the number of the dampers 9 can be 3, 4, etc., and only the stable installation of the screening barrel 3 is required to be ensured; vibration conducted by the screening drum 3 is cut and absorbed by the damper 9 to improve stability and durability of the device.

Referring to fig. 1 and 2, be provided with dust cover 7 between crushing mechanism 2 discharge end and the screening bucket 3 feed inlet, dust cover 7 is flexible organ type dust cover, and on screening bucket 3 outer wall was located to casing 21 outer wall upper and lower pot head, dust cover 7 upper end cover, discharge gate 31 was hung and is equipped with dust curtain 35, and the sealing connection between crushing mechanism 2 discharge end and screening bucket 3 feed end has been realized in the setting of dust cover 7, and dust cover 7 and dust curtain 35's being provided with has effectively restrained the raise dust and prevented the crushed aggregates to splash.

Referring to fig. 1 and 2, the powder after being screened by the screening barrel 3 is very easy to cause dust in the conveying process because the granularity is fine if conveyed by a conveyor belt, therefore, the bin 8 is arranged on the base 1 right below the opening of the lower end of the screening barrel 3, the powder after being screened by the screening barrel 3 falls into the bin 8, and the bin 8 stores the powder, so that the problem that dust can be generated when the powder falls down is solved.

In other embodiments, a dust cover 7 may be further disposed between the bin 8 and the sieving barrel 3, so as to realize a sealing connection between the bin 8 and the sieving barrel 3, and further inhibit dust emission.

The implementation principle of the building concrete crushing and recycling device provided by the embodiment of the application is as follows: the massive concrete waste enters the crushing mechanism 2 from the upper end of the shell 21, the driving motor 23 drives the crushing roller 22 to rotate, the massive concrete waste is crushed into crushed aggregates with different granularity by the rotation of the crushing roller 22, the crushed aggregates enter the screening barrel 3 from the discharge end of the crushing mechanism 2 and fall on the screen 5, the vibrating motor 41 drives the screening barrel 3 to vibrate, the screening barrel 3 drives the screen 5 to vibrate, under the vibration effect of the screen 5, fine aggregate with the diameter smaller than the screen holes passes through the screen holes to fall, coarse aggregate with the diameter larger than the screen holes moves to the discharge hole 31 along the inclined screen 5 surface and is conveyed to a designated place by the conveying mechanism 6 to be stored, and the powder after multi-layer screening falls into the bin 8 below the screening barrel 3, so that the crushing screening recovery of concrete is realized.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a broken recovery unit of building concrete, includes base (1) and sets up broken mechanism (2) on base (1), its characterized in that: the screening device is characterized in that a screening barrel (3) is arranged at the base (1) corresponding to the discharge end of the crushing mechanism (2), a screen (5) is detachably arranged in the screening barrel (3), the screen (5) is obliquely arranged, a discharge hole (31) is formed in the screening barrel (3) corresponding to the inclined lower end of the screen (5), and a driving component (4) for driving the screening barrel (3) to vibrate is arranged on the screening barrel (3).

2. A building concrete crushing and recycling device according to claim 1, characterized in that: the screening barrel (3) inner wall is last to have set firmly a plurality of fixed bars (32), fixed bar (32) up end rotates and is connected with stationary blade (33), the axis of rotation of stationary blade (33) perpendicular to fixed bar (32) up end, fixed bar (32) are kept away from the breach has been seted up on one end upper portion of screening barrel (3) inner wall, screen cloth (5) up end with the separable butt of stationary blade (33), lower terminal surface with diapire separable butt under the breach.

3. A building concrete crushing and recycling device according to claim 1, characterized in that: an access hole for taking and placing the screen (5) is formed in the side wall of the screening barrel (3), and an access door (34) is arranged at the position of the access hole in an opening and closing mode of the screening barrel (3).

4. A building concrete crushing and recycling device according to claim 1, characterized in that: the screen cloth (5) in be height form interval in screening bucket (3) and be provided with a plurality ofly, and the sieve mesh aperture of below screen cloth (5) is less than the sieve mesh aperture of upper Fang Shaiwang (5), discharge gate (31) correspond screen cloth (5) are provided with a plurality ofly, base (1) in every discharge gate (31) department all is provided with transport mechanism (6) that are used for conveying crushed aggregates.

5. A building concrete crushing and recycling device according to claim 1, characterized in that: a dust cover (7) used for sealing connection between the feeding end of the screening barrel (3) and the discharging end of the crushing mechanism (2) is arranged between the feeding end and the discharging end.

6. A building concrete crushing and recycling device according to claim 1, characterized in that: the base (1) is provided with a shock absorber (9) for absorbing and fixing the screening barrel (3) on the base (1).

7. A building concrete crushing and recycling device according to claim 1, characterized in that: the screening barrel (3) lower extreme has seted up the opening, be provided with feed bin (8) on base (1), feed bin (8) feed inlet is located under the opening.

8. The building concrete crushing and recycling device according to claim 4, wherein: the screening barrel (3) is provided with a dustproof curtain (35) at the discharge hole (31), the upper end of the dustproof curtain (35) is fixedly connected with the side wall of the screening barrel (3), and the lower end of the dustproof curtain is suspended at the discharge hole (31).