CN214599222U

CN214599222U - Concrete recovery device

Info

Publication number: CN214599222U
Application number: CN202120193186.2U
Authority: CN
Inventors: 许炜; 廖绍锋; 石杰; 荆喆; 金晶
Original assignee: Anhui Ruite New Material Co ltd; Anhui Construction Engineering Construction Materials Co ltd
Current assignee: Anhui Construction Engineering Group Building Materials Technology Co ltd; Anhui Ruite New Material Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-05
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a concrete recovery unit, including device casing, broken mechanism and screening mechanism, broken mechanism with screening mechanism all sets up the inside of device casing, the pan feeding end of screening mechanism with the discharge end intercommunication of broken mechanism. The utility model discloses have the function that improves screening efficiency, concrete flow after the breakage carries out the screening for the first time to the coarse screen section of thick bamboo, the diameter is greater than the concrete granule in coarse screen section of thick bamboo screening aperture and flows at the discharge gate of coarse screen section of thick bamboo, the diameter is less than the concrete granule in coarse screen section of thick bamboo screening aperture and gets into the fine screen section of thick bamboo and carry out the screening for the second time, the concrete granule diameter is less than the screening region of the fine screen section of thick bamboo of meeting follow of the fine screen section of thick bamboo and passes through, the concrete granule that the diameter is between the coarse screen section of thick bamboo and the fine screen section of thick bamboo can flow from the discharge gate of the fine screen section of thick bamboo, whole screening mechanism is through rotatory screening, the possibility of granule jam on the screen cloth has been reduced, the screening area has been increased, the screening efficiency has also been improved.

Description

Concrete recovery device

Technical Field

The utility model relates to a technical field is retrieved to building material, and specifically speaking relates to a concrete recovery unit.

Background

Concrete has certain life as building material, and the concrete structure that exceeds the age limit often appears quality defect, influences structural safety, and china all can reform transform the upgrading annually, can produce a large amount of concrete pieces. The commercial concrete mixing plant can also produce a certain amount of waste concrete, the waste concrete is buried in the past, so that resource waste can be caused, the waste concrete can be used as non-bearing environment-friendly bricks, the waste concrete can be secondarily utilized as building raw materials, the waste is recycled, and zero emission of resource recycling is realized.

The process of concrete recovery needs experience processes such as crushing screening, and the in-process of traditional screening is because concrete particle after the breakage is not of uniform size, probably causes the jam of screen cloth when the screen cloth, influences screening efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a convenient to use, screening effectual concrete recycling device is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a concrete recovery unit, includes device casing, broken mechanism and screening mechanism, broken mechanism with screening mechanism all sets up the inside of device casing, the pan feeding end of screening mechanism with the discharge end intercommunication of broken mechanism, screening mechanism includes a coarse screening section of thick bamboo and a fine screening section of thick bamboo, fine screening section of thick bamboo cover is established the outside of a coarse screening section of thick bamboo, screening mechanism relative horizontal plane slope arranges, be connected with drive screening mechanism pivoted actuating mechanism on the fine screening section of thick bamboo.

Furthermore, the driving mechanism comprises two rotating support structures and a plurality of transmission shafts, the two rotating support structures are arranged on two sides of the fine screen cylinder, each rotating support structure comprises a support, a limiting ring, a rotating ring and a plurality of first spools, the supports are fixed on the device shell, the limiting rings are fixed on the supports, the plurality of transmission shafts are rotatably arranged on the limiting rings of the two rotating support structures, the rotating rings are fixed on the fine screen cylinder, the plurality of first spools are respectively fixed on the plurality of transmission shafts, the rotating rings extend into the plurality of first spools and are in friction rolling fit with the plurality of first spools, the driving mechanism further comprises a driving motor, the driving motor is fixed on the device shell, and a second spool is fixed on an output shaft of the driving motor, and a third spool is fixed on one of the transmission shafts, and belts are wound outside the second spool and the third spool.

Further, the screening mechanism comprises a plurality of connecting rods, and the connecting rods are fixed between the coarse screen cylinder and the fine screen cylinder.

Furthermore, one end of the coarse screen cylinder is used as a feeding end of the screening mechanism and communicated with a discharging end of the crushing mechanism, the other end of the coarse screen cylinder extends out of the fine screen cylinder, and the screening area of the coarse screen cylinder is shorter than that of the fine screen cylinder.

Furthermore, the device also comprises three material receiving structures which are respectively fixed on the device shell and respectively correspond to the discharge end of the coarse screen cylinder, the discharge end of the fine screen cylinder and the outside of the screening area of the fine screen cylinder.

Further, the material receiving structure comprises an annular guide groove and a collecting groove, the collecting groove is fixed on the device shell, the annular guide groove is connected to the collecting groove, and the cross section of the annular guide groove is U-shaped.

Further, the device casing is L-shaped, the crushing mechanism is arranged in the vertical section of the device casing, and the screening mechanism is arranged in the transverse section of the device casing.

Furthermore, crushing mechanism includes two preliminary triturating structures of interval symmetric distribution, the feed inlet has been seted up to corresponding two on the device casing the position department of preliminary triturating structure, preliminary triturating structure includes hydraulic cylinder, propulsion board and a plurality of protruding nail, hydraulic cylinder fixes on the device casing, the propulsion board is fixed on hydraulic cylinder's the end that stretches out, a plurality of protruding nail is scattered distribute on the propulsion board.

Further, the crushing mechanism further comprises a secondary crushing structure located below the primary mashing structure, the secondary crushing structure comprises a crushing bucket and a pair of first crushing rollers and a pair of second crushing rollers which are rotatably mounted on the crushing bucket, the first crushing rollers and the second crushing rollers are horizontally placed, and the second crushing rollers are located below the first crushing rollers.

The beneficial effects of the utility model are embodied in:

the utility model has the function of improving the screening efficiency, the concrete blocks are crushed by the crushing mechanism and then screened by the screening mechanism, the screening mechanism is driven by the driving mechanism to perfect the screening work, the crushed concrete flows to the coarse screen cylinder for the first screening, the concrete particles with the diameter larger than the screening aperture of the coarse screen cylinder flow out from the discharge port of the coarse screen cylinder, the concrete particles with the diameter smaller than the screening aperture of the coarse screen cylinder enter the fine screen cylinder for the second screening, the concrete particles with the diameter smaller than the diameter of the fine screen cylinder can pass through the screening area of the fine screen cylinder, the concrete particles with the diameter between the coarse screen cylinder and the fine screen cylinder flow out from the discharge port of the fine screen cylinder, the whole screening mechanism is screened by rotation, the possibility of particle blockage on the screen is reduced, the screening area is increased, the screening efficiency is also improved, the screening mechanism which is obliquely arranged can rapidly fall under the action of gravity, no accumulation is caused.

Drawings

Fig. 1 is a schematic side view of a concrete recycling device according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a structure a in fig. 1.

Fig. 3 is a perspective view of the sifting mechanism.

Fig. 4 is an exploded view of the rotating support structure.

Fig. 5 is a side view of the sifting mechanism.

Fig. 6 is a front view of a coarse screen cylinder and a fine screen cylinder.

Fig. 7 is a perspective view of the receiving structure.

Fig. 8 is a perspective view of the primary mashing structure.

The components in the drawings are labeled as follows: 1. a device housing; 101. a feed inlet; 102. a crushing hopper; 2. a crushing mechanism; 201. a primary mashing structure; 202. a propulsion plate; 203. a convex nail; 204. a hydraulic cylinder; 205. a first crushing roller; 206. a second crushing roller; 3. a screening mechanism; 301. a coarse screen drum; 302. a fine screen cylinder; 303. a connecting rod; 4. a drive mechanism; 401. rotating the support structure; 402. a support; 403. a limiting ring; 404. a rotating ring; 405. a first spool; 406. a drive shaft; 407. a drive motor; 408. a second spool; 409. a third spool; 410. a belt; 5. a material receiving structure; 501. an annular guide groove; 502. and (4) collecting the tank.

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. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

See fig. 1-8.

The utility model relates to a concrete recovery unit, including device casing 1, broken mechanism 2 and screening mechanism 3, broken mechanism 2 with screening mechanism 3 all sets up device casing 1's inside, screening mechanism 3 the pan feeding end with broken mechanism 2's discharge end intercommunication, screening mechanism 3 includes a coarse screen section of thick bamboo 301 and a fine screen section of thick bamboo 302, a fine screen section of thick bamboo 302 cover is established coarse screen section of thick bamboo 301's outside, the relative horizontal plane slope of screening mechanism 3 is arranged, be connected with drive screening mechanism 3 pivoted actuating mechanism 4 on the fine screen section of thick bamboo 302.

The utility model has the function of improving the screening efficiency, the concrete blocks are crushed by the crushing mechanism 2 and then screened towards the screening mechanism 3, the screening mechanism 3 is driven by the driving mechanism 4 to perfect the screening work, the crushed concrete flows towards the coarse screen barrel 301 for the first screening, the concrete particles with the diameter larger than the screening aperture of the coarse screen barrel 301 flow out from the discharge port of the coarse screen barrel 301, the concrete particles with the diameter smaller than the screening aperture of the coarse screen barrel 301 enter the fine screen barrel 302 for the second screening, the concrete particles with the diameter smaller than the screening aperture of the fine screen barrel 302 can pass through the screening area of the fine screen barrel 302, the concrete particles with the diameter between the coarse screen barrel 301 and the fine screen barrel 302 can flow out from the discharge port of the fine screen barrel 302, the whole screening mechanism 3 is screened by rotation, the possibility of particle blockage on the screen is reduced, the screening area is increased, the screening efficiency is also improved, the obliquely arranged screening mechanism 3 can fall rapidly under the action of gravity without causing accumulation.

In one embodiment, the driving mechanism 4 includes two rotation supporting structures 401 and a plurality of transmission shafts 406, the two rotation supporting structures 401 are disposed on two sides of the fine screen cylinder 302, the rotation supporting structures 401 include a bracket 402, a limiting ring 403, a rotation ring 404 and a plurality of first i-shaped wheels 405, the bracket 402 is fixed on the device housing 1, the limiting ring 403 is fixed on the bracket 402, the plurality of transmission shafts 406 are rotatably mounted on the limiting ring 403 of the two rotation supporting structures 401, the rotation ring 404 is fixed on the fine screen cylinder 302, the plurality of first i-shaped wheels 405 are respectively fixed on the plurality of transmission shafts 406, and the rotation ring 404 extends into the plurality of first i-shaped wheels 405 and is in friction rolling fit with the plurality of first i-shaped wheels 405, the driving mechanism 4 further includes a driving motor 407, the driving motor 407 is fixed on the device housing 1, a second spool 408 is fixed on an output shaft of the driving motor 407, a third spool 409 is fixed on one of the transmission shafts 406, and a belt 410 is wound around the outsides of the second spool 408 and the third spool 409. The design is that the screening mechanism 3 can be driven to complete rotary screening through the driving mechanism 4, the driving motor 407 is started to drive the second spool 408 to rotate, the belt 410 further enables the third spool 409 to rotate, the third spool 409 is fixed on the transmission shaft 406, the transmission shaft 406 is enabled to rotate, the first spool 405 is fixed on the transmission shaft 406, the transmission shaft 406 rotates to drive the first spool 405 to rotate, the rotating ring 404 in friction rolling fit with the first spool 405 is driven by the first spool 405 to rotate, the screening mechanism 3 is driven to rotate, the transmission shafts 406 are limited through the limiting ring 403, and it is ensured that the screening mechanism 3 can stably rotate and cannot fall off.

In one embodiment, the sifting mechanism 3 includes a plurality of connecting rods 303, and the plurality of connecting rods 303 are fixed between the coarse sifter cylinder 301 and the fine sifter cylinder 302. By the design, the coarse screen drum 301 and the fine screen drum 302 are connected into a whole through the connecting rods 303, can rotate coaxially, and is more stable.

In one embodiment, one end of the coarse screen drum 301 is used as the feeding end of the screening mechanism 3 to communicate with the discharging end of the crushing mechanism 2, the other end of the coarse screen drum 301 extends out of the fine screen drum 302, and the screening area of the coarse screen drum 301 is shorter than that of the fine screen drum 302. Design like this, the one end of a discharge end intercommunication coarse screen section of thick bamboo 301 of crushing mechanism 2, concrete particles after the breakage carries out the first screening through a coarse screen section of thick bamboo 301, a fine screen section of thick bamboo 302 is stretched out to the one end of a coarse screen section of thick bamboo 301 and is flowed and can not get into a fine screen section of thick bamboo 302 under actuating mechanism 4's effect in order to guarantee that the concrete of large granule can follow the discharge end of a coarse screen section of thick bamboo 301, coarse screen section of thick bamboo 301 screening regional weak point is in a fine screen section of thick bamboo 302, can ensure like this that all materials through a coarse screen section of thick bamboo 301 can both carry out the secondary screening.

In an embodiment, three receiving structures 5 are further included, and the three receiving structures 5 are respectively fixed on the device housing 1 and respectively arranged at the discharge end of the coarse screen cylinder 301, the discharge end of the fine screen cylinder 302 and the outside of the screening area of the fine screen cylinder 302. Design like this, receive material structure 5 through the three and can collect three kinds of materials, concrete granule can't flow through the discharge end from coarse screen section of thick bamboo 301 of a coarse screen section of thick bamboo 301, concrete granule passes through a coarse screen section of thick bamboo 301 and can't flow through the discharge end from fine screen section of thick bamboo 302 of a fine screen section of thick bamboo 302, concrete granule passes through the screening region that can follow fine screen section of thick bamboo 302 through fine screen section of thick bamboo 302 and passes through, position setting is received material structure 5 above is for the convenience to collect.

In one embodiment, the receiving structure 5 includes an annular guide groove 501 and a collecting groove 502, the collecting groove 502 is fixed on the device housing 1, the annular guide groove 501 is connected to the collecting groove 502, and the cross section of the annular guide groove 501 is U-shaped. By the design, materials screened by the rotary screen can be completely collected through the annular guide groove 501, and then are temporarily stored through the collecting groove 502.

In an embodiment, the device housing 1 is L-shaped, the crushing means 2 are arranged in a vertical section of the device housing 1, and the sieving means 3 are arranged in a lateral section of the device housing 1. Design like this, through setting up crushing mechanism 2 in vertical section, also be for the convenient gravitational potential energy who utilizes the concrete piece gets into screening mechanism 3 fast, wholly designs into L shape with device casing 1, also is for saving space.

In an embodiment, the crushing mechanism 2 includes two primary mashing structures 201 which are symmetrically distributed at intervals, the feed inlet 101 is opened at a position corresponding to the two primary mashing structures 201 on the device housing 1, the primary mashing structure 201 includes a hydraulic cylinder 204, a thrust plate 202 and a plurality of convex pins 203, the hydraulic cylinder 204 is fixed on the device housing 1, the thrust plate 202 is fixed on an extending end of the hydraulic cylinder 204, and the plurality of convex pins 203 are distributed on the thrust plate 202 in a scattered manner. Design like this, smash structure 201 through elementary and can strike the concrete piece of great piece and smash to pieces, avoid the unable breakage that carries out of bold concrete, promote propulsion board 202 through hydraulic cylinder 204 and make the convex nail 203 and the concrete piece contact of setting on propulsion board 202, until broken bold concrete, smash structure 201 through elementary and also can improve crushing efficiency.

In an embodiment, the crushing mechanism 2 further comprises a secondary crushing structure located below the primary mashing structure 201, the secondary crushing structure comprises a crushing bucket 102 and a pair of first crushing rollers 205 and a pair of second crushing rollers 206 rotatably mounted on the crushing bucket 102, the first crushing rollers 205 and the second crushing rollers 206 are both horizontally disposed, and the second crushing rollers 206 are located below the first crushing rollers 205. By such a design, the first crushing roller 205 and the second crushing roller 206 are provided to perform two crushing operations, and concrete particles more satisfactory can be obtained.

It is understood that the examples and embodiments herein are for illustrative purposes only and are not intended to limit the present invention, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims

1. A concrete recovery device is characterized in that: the device comprises a device shell (1), a crushing mechanism (2) and a screening mechanism (3), wherein the crushing mechanism (2) and the screening mechanism (3) are both arranged inside the device shell (1), and a feeding end of the screening mechanism (3) is communicated with a discharging end of the crushing mechanism (2);

screening mechanism (3) are including a coarse screen section of thick bamboo (301) and a fine screen section of thick bamboo (302), a fine screen section of thick bamboo (302) cover is established the outside of a coarse screen section of thick bamboo (301), screening mechanism (3) relative horizontal plane slope is arranged, be connected with drive screening mechanism (3) pivoted actuating mechanism (4) on a fine screen section of thick bamboo (302).

2. A concrete recycling apparatus as set forth in claim 1, wherein: the driving mechanism (4) comprises two rotating supporting structures (401) and a plurality of transmission shafts (406), and the two rotating supporting structures (401) are arranged on two sides of the fine screen drum (302);

the rotary supporting structure (401) comprises a support (402), a limiting ring (403), a rotary ring (404) and a plurality of first I-shaped wheels (405), the support (402) is fixed on the device shell (1), the limiting ring (403) is fixed on the support (402), the transmission shafts (406) are rotatably mounted on the limiting rings (403) of the two rotary supporting structures (401), the rotary ring (404) is fixed on the fine screen drum (302), the first I-shaped wheels (405) are respectively fixed on the transmission shafts (406), and the rotary ring (404) extends into the first I-shaped wheels (405) and is in friction rolling fit with the first I-shaped wheels (405);

the driving mechanism (4) further comprises a driving motor (407), the driving motor (407) is fixed to the device shell (1), a second spool (408) is fixed to an output shaft of the driving motor (407), a third spool (409) is fixed to one of the transmission shafts (406), and a belt (410) is wound around the outer portions of the second spool (408) and the third spool (409).

3. A concrete recycling apparatus as set forth in claim 1 or 2, wherein: the screening mechanism (3) comprises a plurality of connecting rods (303), and the connecting rods (303) are fixed between the coarse screen drum (301) and the fine screen drum (302).

4. A concrete recycling apparatus as set forth in claim 1 or 2, wherein: the one end of a coarse screen section of thick bamboo (301) is regarded as the pan feeding end of screening mechanism (3) with the discharge end intercommunication of crushing mechanism (2), the other end of a coarse screen section of thick bamboo (301) stretches out a fine screen section of thick bamboo (302), a coarse screen section of thick bamboo (301) screening region weak point in a fine screen section of thick bamboo (302).

5. A concrete recycling apparatus as set forth in claim 1 or 2, wherein: still include three receipts material structure (5), it is three receive material structure (5) to fix respectively on device casing (1) and respectively the discharge end of a coarse screen section of thick bamboo (301), the discharge end of a fine screen section of thick bamboo (302) and the outside of a fine screen section of thick bamboo (302) screening area.

6. A concrete recycling apparatus as set forth in claim 5, wherein: the material receiving structure (5) comprises an annular guide groove (501) and a collecting groove (502), the collecting groove (502) is fixed on the device shell (1), the annular guide groove (501) is connected to the collecting groove (502), and the cross section of the annular guide groove (501) is U-shaped.

7. A concrete recycling apparatus as set forth in claim 1, wherein: the device shell (1) is L-shaped, the crushing mechanism (2) is arranged in the vertical section of the device shell (1), and the screening mechanism (3) is arranged in the horizontal section of the device shell (1).

8. A concrete recycling apparatus as set forth in claim 1 or 7, wherein: the crushing mechanism (2) comprises two primary mashing structures (201) which are symmetrically distributed at intervals, and feed inlets (101) are formed in positions, corresponding to the two primary mashing structures (201), on the device shell (1);

the primary mashing structure (201) comprises a hydraulic oil cylinder (204), a pushing plate (202) and a plurality of convex nails (203), the hydraulic oil cylinder (204) is fixed on the device shell (1), the pushing plate (202) is fixed on the extending end of the hydraulic oil cylinder (204), and the convex nails (203) are distributed on the pushing plate (202) in a scattered mode.

9. A concrete recycling apparatus as set forth in claim 8, wherein: the crushing mechanism (2) further comprises a secondary crushing structure positioned below the primary mashing structure (201), wherein the secondary crushing structure comprises a crushing bucket (102) and a pair of first crushing rollers (205) and a pair of second crushing rollers (206) which are rotatably arranged on the crushing bucket (102), the first crushing rollers (205) and the second crushing rollers (206) are horizontally arranged, and the second crushing rollers (206) are positioned below the first crushing rollers (205).