CN113102019A - Preparation method of anti-crack recycled concrete - Google Patents

Preparation method of anti-crack recycled concrete Download PDF

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Publication number
CN113102019A
CN113102019A CN202110384560.1A CN202110384560A CN113102019A CN 113102019 A CN113102019 A CN 113102019A CN 202110384560 A CN202110384560 A CN 202110384560A CN 113102019 A CN113102019 A CN 113102019A
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China
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plate
rotating shaft
concrete
preparation
crushing
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CN202110384560.1A
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Chinese (zh)
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毛俊
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Individual
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Individual
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Priority to CN202110384560.1A priority Critical patent/CN113102019A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/32Adjusting, applying pressure to, or controlling the distance between, milling members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/42Driving mechanisms; Roller speed control
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to a preparation method of anti-crack recycled concrete, which uses an anti-crack recycled concrete preparation device, the anti-crack recycled concrete preparation device comprises a preparation box, a primary crushing adjusting mechanism, a secondary crushing mechanism, a stirring and grinding mechanism and a material receiving mechanism, wherein the primary crushing adjusting mechanism is used for adjusting the distance between a first rotating shaft and a second rotating shaft, so that waste concrete blocks with different sizes can be crushed conveniently, the phenomenon that some larger concrete blocks are directly erected on a first crushing roller of the first rotating shaft and a second rotating shaft to block the first crushing roller from being crushed is avoided, meanwhile, the waste concrete particles crushed by the first crushing roller are crushed again by the second-stage crushing mechanism, and meanwhile, the concrete is screened, and un-crushed concrete particles are dually crushed, so that the influence on the use of recycled concrete is avoided.

Description

Preparation method of anti-crack recycled concrete
Technical Field
The invention relates to the technical field of preparation of anti-crack recycled concrete, in particular to a preparation method of anti-crack recycled concrete.
Background
Concrete, one of the most important civil engineering materials of the present generation, is composed of cementitious material, granular aggregate (also called aggregate), water, and the admixture which are added if necessary are prepared according to a certain proportion, and the artificial stone is formed by uniformly stirring, closely compacting, curing and hardening, along with the rapid development of economy, the concrete gradually progresses in our lives, and now, the concrete is an indispensable product in our daily lives, the method can be used for multiple aspects of building engineering, pavement construction and the like, the disassembled concrete building material can be made into recycled concrete, the recycled concrete refers to the method that after waste concrete blocks are crushed, cleaned and graded, mixing the raw materials with the grading mixture according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and adding cement, water and the like to prepare new concrete, wherein the following problems can occur in the preparation process of the anti-crack regenerated concrete:
1. when common waste concrete blocks with impurities screened are poured into a preparation box to be directly crushed, small waste concrete blocks on large waste concrete blocks cannot be crushed due to the fact that some larger concrete blocks are directly erected on a crushing roller to block the waste concrete blocks for crushing, and crushing of the waste concrete is influenced;
2. when smashing waste concrete, single-stage crushing when adopting more for it is not good to make waste concrete's crushing effect like this, influences recycled concrete's use.
Disclosure of Invention
Technical scheme (I)
In order to achieve the above object, the present invention adopts the following technical scheme, wherein an anti-crack recycled concrete preparation device is used in the preparation method, the anti-crack recycled concrete preparation device comprises a preparation box, a primary crushing adjustment mechanism, a secondary crushing mechanism, a stirring and grinding mechanism and a material receiving mechanism, and the specific preparation method when the anti-crack recycled concrete preparation device is used for preparing recycled concrete is as follows:
s1, crushing and distance adjusting: the waste concrete blocks after being screened with impurities are poured into the preparation box and are crushed by the crushing roller I, when the waste concrete blocks are large, the left and right driving plates can be pulled to drive the left and right rotating shafts II to move through the push plate, so that the distance between the rotating shaft I and the rotating shaft II can be adjusted, and the crushing roller II can crush waste concrete blocks with different sizes conveniently;
s2, screening and crushing: the waste concrete particles crushed by the first crushing roller are crushed again by the second-stage crushing mechanism, and are screened at the same time, so that the un-crushed concrete particles are crushed doubly;
s3, crushing and grinding: grinding the crushed small-particle waste concrete by a stirring and grinding mechanism into a powdery structure to form recycled concrete, and collecting the recycled concrete by a material receiving mechanism;
a primary crushing adjusting mechanism, a secondary crushing mechanism, a stirring and grinding mechanism and a material receiving mechanism are sequentially arranged in the preparation box from top to bottom;
the first-stage crushing adjusting mechanism comprises a triangular splitter plate, a first rotating shaft, an adjusting through groove, a stepped groove, a connecting plate, a limiting block, a movable plate, a second rotating shaft, a first crushing roller, a driving gear, a baffle ring, a push plate and a driving plate, wherein the triangular splitter plate is arranged between the front inner wall and the rear inner wall of the preparation box, the first rotating shaft is arranged between the front inner wall and the rear inner wall of the preparation box through a bearing in bilateral symmetry, the first rotating shaft is positioned at the left side and the right side of the triangular splitter plate, the adjusting through groove is symmetrically arranged on the left side and the right side of the opposite surface of the inner wall of the preparation box, the adjusting through groove is positioned at the two sides of the left rotating shaft and the right rotating shaft, the stepped groove is symmetrically arranged in the adjusting through groove, the connecting plate, a second rotating shaft is arranged between the front and rear moving plates through a bearing, a first crushing roller is sleeved on the second rotating shaft and the first rotating shaft, the first rotating shaft and the second rotating shaft are respectively penetrated through the preparation box and are sleeved with meshed driving gears, the driving gears on the second rotating shaft are connected with the second rotating shaft through a thread fit mode, a baffle ring is arranged on the second rotating shaft through a thread fit mode, a push-pull through groove is arranged on a step groove close to the outer wall of the preparation box, a push plate is arranged on a connecting plate and penetrates through the push-pull through groove, the front push plate and the rear push plate are connected through a driving plate, the left driving plate and the right driving plate drive the left rotating shaft and the right rotating shaft to move through the push plate, so that the distance between the first rotating shaft and the second rotating shaft is adjusted, waste concrete blocks with different sizes are conveniently crushed, after, will keep off the ring and take off, and take off two epaxial drive gears of rotating to change, change and the epaxial drive gear engaged with gear of a rotation, avoid some great concrete blocks to directly block it on a crushing roller of a rotation axis and No. two rotation axes and carry out kibbling phenomenon, triangle-shaped flow distribution plate upper end sharp-pointed portion can be with pricking garrulous falling simultaneously, and can lead to crushing roller kibbling abandonment concrete, carry out the mobile whereabouts of left and right sides, be convenient for carry out the second grade to it and smash, avoid kibbling waste concrete to cause simultaneously and pile up the phenomenon.
As a preferred technical scheme of the invention, the secondary crushing mechanism comprises a first rotating shaft, a second crushing roller, a driving gear, a first belt, a screening guide plate, a second rotating shaft, a third crushing roller, a rolling gear, a second belt and a first motor, wherein the first rotating shaft is arranged between the front inner wall and the rear inner wall of the preparation box through a bearing, every two first rotating shafts form a group, the left rotating shaft and the right rotating shaft are symmetrically arranged, the left rotating shaft and the right rotating shaft are positioned below the lower vertex angle of a triangular splitter plate, the second crushing roller is sleeved on the first rotating shaft, the rear end of the first rotating shaft penetrates through the preparation box, the first rotating shaft of each group is sleeved with a meshed driving gear, the two adjacent groups of first rotating shafts are in transmission connection with the first rotating shaft through the first belt, the screening guide plate is symmetrically arranged in the preparation box left and right, the screening guide plate inclines downwards and is positioned below the first rotating shaft, the preparation box is internally provided with a second rotating shaft in bilateral symmetry through a bearing, the second rotating shaft is positioned below the inclined direction of the screening guide plate, the second rotating shaft is sleeved with a third crushing roller, the second rotating shaft penetrates through the preparation box sleeve and is provided with a meshed rolling gear, the second rotating shaft is in transmission connection with a left rotating shaft and a right rotating shaft which are close to the outer wall of the preparation box through a second belt, the rear end surface of the preparation box is provided with a first motor through a frame, the output shaft of the first motor is connected with the second rotating shaft, the waste concrete shunted by the triangular shunting plate in the left and right directions is subjected to secondary crushing through the left crushing roller and the right crushing roller, the waste concrete is crushed into smaller pieces by the waste concrete, the first crushing and the secondary crushing are combined for crushing, the phenomenon that the crushing roller cannot crush larger pieces of waste concrete due to one-time crushing is avoided, meanwhile, the waste concrete can be crushed into smaller pieces by the second crushing roller, and then the waste, screening baffle sieves the abandonment concrete simultaneously, and little abandonment concrete directly falls from the downthehole on the screening baffle, and the abandonment concrete of some big falls on No. three crushing rollers and continues to smash, smashes multistage for the abandonment concrete has more powerful crushing effect, avoids influencing recycled concrete's use.
As a preferred technical scheme of the invention, the stirring and grinding mechanism comprises a material guide plate, an arc-shaped plate, a blanking hole, a stirring shaft, a second motor, a stirring rod and an arc-shaped grinding block, wherein the material guide plate is symmetrically arranged on the left and right of the inner wall of the preparation box, the material guide plate is positioned below the second rotating shaft, the arc-shaped plate is arranged in the preparation box, the blanking hole is formed in the arc-shaped plate, the stirring shaft is arranged in the preparation box through a bearing, the second motor is arranged on the outer wall of the preparation box through a rack, the stirring shaft penetrates through the preparation box and is connected with an output shaft of the second motor, the stirring rods are arranged on the upper end surfaces of the stirring shaft and the arc-shaped plate, the stirring rods on the stirring shaft are circumferentially arranged at equal intervals and are staggered with the stirring rods on the arc-shaped plate, the arc-shaped grinding block is arranged on the stirring rod, the stirring shaft is driven to rotate through the, the arc grinds and smashes the grinding with waste concrete between the piece when the puddler stirring for kibbling waste concrete grinds to powdered structure, and the arc grinds the grinding crushing effect that the piece increases waste concrete.
As a preferred technical scheme, the material collecting mechanism comprises a material collecting box and a pulling plate, an inlet groove is formed in the front end face of the preparation box, the material collecting box is arranged in the inlet groove, the pulling plate is mounted on the front end face of the material collecting box, and the material collecting box collects crushed produced recycled concrete.
As a preferred technical scheme of the invention, a reset spring rod is arranged between the connecting plate and the stepped groove close to the first rotating shaft, and the reset spring rod resets the connecting plate while moving, plays a role of balance support and avoids the left and right shaking of the second rotating shaft when rotating.
As a preferred technical scheme of the invention, threaded rods are respectively installed on the opposite surfaces of the preparation box and the driving plate, a sleeve is sleeved between the threaded rods, the sleeve is connected with the threaded rods in a threaded fit manner, the sleeve is rotated to move the threaded rods, so that the driving plate is driven to move, the distance between the first rotating shaft and the second rotating shaft is adjusted, the threaded rods and the sleeve simultaneously play a role in supporting the driving plate, and the driving plate is prevented from being reset under the action of a reset spring rod after adjustment.
(II) advantageous effects
1. The distance between the first rotating shaft and the second rotating shaft is adjusted by the first-stage crushing adjusting mechanism, waste concrete blocks with different sizes can be crushed conveniently, the phenomenon that some larger concrete blocks are directly erected on the first crushing rollers of the first rotating shaft and the second rotating shaft to block the first crushing rollers for crushing is avoided, meanwhile, waste concrete particles crushed by the first crushing rollers are crushed again by the second-stage crushing mechanism, and are screened at the same time, and un-crushed concrete particles are crushed doubly, so that the use of recycled concrete is avoided being influenced;
2. the driving plate drives the left and right second rotating shafts to move through the push plate, so that the distance between the first rotating shaft and the second rotating shaft is adjusted, waste concrete blocks with different sizes are conveniently crushed, and the phenomenon that some larger concrete blocks are directly erected on the first crushing roller to block the crushing rollers to crush the concrete blocks is avoided;
3. after the second rotating shaft moves, the retaining ring is taken down, the driving gear on the second rotating shaft is taken down for replacement, and the gear meshed with the driving gear on the first rotating shaft is replaced, so that the first rotating shaft is meshed with the gear on the second rotating shaft, and the first crushing roller is convenient for crushing the waste concrete blocks.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of a first perspective structure of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a third perspective view of the present invention;
FIG. 5 is a front cross-sectional view of the present invention;
FIG. 6 is a top cross-sectional view of the present invention;
fig. 7 is a partial enlarged view of fig. 6 a of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 7, a method for preparing anti-crack recycled concrete uses an anti-crack recycled concrete preparation device, which includes a preparation box 1, a primary crushing adjustment mechanism 2, a secondary crushing mechanism 3, a stirring and grinding mechanism 4, and a material receiving mechanism 5, and the concrete preparation method when the anti-crack recycled concrete preparation device is used for preparing recycled concrete is as follows:
s1, crushing and distance adjusting: the waste concrete blocks with impurities screened are poured into the preparation box 1 and are crushed by the crushing roller 28, when the waste concrete blocks are large, the left driving plate 2c and the right driving plate 2c can be pulled to drive the left rotating shaft 27 and the right rotating shaft 27 to move through the push plate 2b, so that the distance between the first rotating shaft 21 and the second rotating shaft 27 is adjusted, and the crushing roller 31 can crush waste concrete blocks with different sizes conveniently;
s2, screening and crushing: the waste concrete particles crushed by the first crushing roller 28 are crushed again by the second-stage crushing mechanism 3, and are sieved at the same time, so that the un-crushed concrete particles are crushed doubly;
s3, crushing and grinding: grinding the crushed small-particle waste concrete by the stirring and grinding mechanism 4 into a powdery structure to form recycled concrete, and collecting the recycled concrete by the material receiving mechanism 5;
a primary crushing adjusting mechanism 2, a secondary crushing mechanism 3, a stirring and grinding mechanism 4 and a material receiving mechanism 5 are sequentially arranged in the preparation box 1 from top to bottom;
one-level crushing adjustment mechanism 2 include triangle-shaped flow distribution plate 20, axis of rotation 21, adjust and lead to groove 22, ladder groove 23, connecting plate 24, stopper 25, movable plate 26, No. two axis of rotation 27, crushing roller 28, drive gear 29, keep off ring 2a, push pedal 2b and drive board 2c, preparation case 1 around install triangle-shaped flow distribution plate 20 between the inner wall, the bilateral symmetry installs axis of rotation 21 through the bearing between the inner wall around preparation case 1, axis of rotation 21 is located the left and right sides of triangle-shaped flow distribution plate 20, the inner wall opposite face bilateral symmetry of preparation case 1 has seted up and has adjusted logical groove 22, adjust logical groove 22 and be located the both sides of a left and right axis of rotation 21, adjust logical inslot bilateral symmetry and have seted up ladder groove 23, be provided with connecting plate 24 through sliding fit's mode in the ladder groove 23, both sides are provided with stopper 25 around connecting plate 24, a moving plate 26 is arranged between a left connecting plate 24 and a right connecting plate 24, the moving plate 26 is positioned in the adjusting through groove 22, a second rotating shaft 27 is arranged between the front moving plate 26 and the rear moving plate 26 through a bearing, a first crushing roller 28 is sleeved on the second rotating shaft 27 and the first rotating shaft 21, the first rotating shaft 21 and the second rotating shaft 27 are respectively penetrated through the preparation box 1 and are sleeved with meshed driving gears 29, the driving gear 29 on the second rotating shaft 27 is connected with the second rotating shaft 27 in a thread fit mode, a baffle ring 2a is arranged on the second rotating shaft 27 in a thread fit mode, a push-pull through groove is arranged on a stepped groove 23 close to the outer wall of the preparation box 1, a push plate 2b is arranged on the connecting plate 24, the push plate 2b penetrates through the push-pull through groove, the front push plate 2b and the rear push plate 2b are connected through a driving plate 2c, the left driving plate, make the distance between axis of rotation 21 and No. two axis of rotation 27 adjust, be convenient for smash the dumped concrete piece of equidimension not, after No. two axis of rotation 27 remove, will keep off ring 2a and take off, and take off drive gear 29 on No. two axis of rotation 27 and change, change the gear with drive gear 29 on the axis of rotation 21 engaged with, avoid some great concrete pieces to directly erect on a crushing roller 28 of a axis of rotation 21 and No. two axis of rotation 27 and block it and carry out kibbling phenomenon, triangle-shaped flow distribution plate 20 upper end sharp-pointed portion can be broken with the stabbing that falls down, and can lead to the dumped concrete that a crushing roller 28 was kibbling, carry out the mobile whereabouts of left and right sides, be convenient for carry out the second grade to it and smash, avoid kibbling discarded concrete to cause simultaneously and pile up the phenomenon.
Be close to a axis of rotation 21 connecting plate 24 and ladder groove 23 between install reset spring pole 210, reset spring pole 210 resets it when connecting plate 24 removes, plays balanced support's effect simultaneously, rocks about avoiding No. two axis of rotation 27 to rotate the time.
Preparation case 1 and the opposite face that drives board 2c all install threaded rod 10, the cover is equipped with sleeve 11 between the threaded rod 10, be connected through screw-thread fit's mode between sleeve 11 and the threaded rod 10, it makes threaded rod 10 remove to rotate sleeve 11, thereby drive driving board 2c and remove, make the distance between axis of rotation 21 and No. two axis of rotation 27 adjust, threaded rod 10 plays the effect of support simultaneously with sleeve 11 to driving board 2c, drive board 2c and reset under reset spring pole 210's effect after avoiding adjusting.
The second-stage crushing mechanism 3 comprises a first rotating shaft 30, a second crushing roller 31, a driving gear 32, a first belt 33, a screening guide plate 34, a second rotating shaft 35, a third crushing roller 36, a rolling gear 37, a second belt 38 and a first motor 39, wherein the first rotating shaft 30 is installed between the front inner wall and the rear inner wall of the preparation box 1 through a bearing, every two first rotating shafts 30 form a group, the left rotating shaft 30 and the right rotating shaft 30 are symmetrically arranged, the left rotating shaft 30 and the right rotating shaft 30 are located below the lower vertex angle of the triangular flow distribution plate 20, the second crushing roller 31 is sleeved on the first rotating shaft 30, the preparation box 1 is penetrated through the rear end of the first rotating shaft 21, the first rotating shaft 30 of each group is sleeved with the meshed driving gear 32, the two adjacent first rotating shafts 30 are in transmission connection with the first rotating shaft 21 through the first belt 33, the screening guide plate 34 is symmetrically arranged in the preparation box 1, and the screening guide plate 34 inclines downwards, the screening guide plate 34 is positioned below the first rotating shaft 30, the second rotating shaft 35 is arranged in the preparation box 1 in a bilateral symmetry mode through a bearing, the second rotating shaft 35 is positioned below the screening guide plate 34 in an inclined direction, the third crushing roller 36 is sleeved on the second rotating shaft 35, the second rotating shaft 35 penetrates through the preparation box 1 and is sleeved with a meshed rolling gear 37, the second rotating shaft 35 is in transmission connection with the left and right groups of the first rotating shaft 30 close to the outer wall of the preparation box 1 through a second belt 38, the rear end face of the preparation box 1 is provided with a first motor 39 through a rack, the output shaft of the first motor 39 is connected with the second rotating shaft 35, the waste concrete shunted left and right by the triangular diversion plate 20 is subjected to secondary crushing through the left and right groups of the second crushing rollers 31, smaller blocks of the waste concrete are crushed through the combination of primary crushing and secondary crushing, and the phenomenon that the crushing rollers cannot crush the waste concrete of larger blocks due to one-time crushing is, simultaneously can be littleer with the waste concrete is kibbling, then the kibbling waste concrete of No. two crushing rollers 31 falls from screening baffle 34, screening baffle 34 sieves waste concrete simultaneously, little waste concrete directly falls down from the downthehole on screening baffle 34, the waste concrete of some big falls and continues to smash on No. three crushing roller 36, multistage crushing, make waste concrete have more powerful crushing effect, avoid influencing recycled concrete's use.
The stirring and grinding mechanism 4 comprises a material guide plate 40, an arc-shaped plate 41, a blanking hole 42, a stirring shaft 43, a second motor 44, a stirring rod 45 and an arc-shaped grinding block 46, wherein the material guide plate 40 is symmetrically arranged on the left and right of the inner wall of the preparation box 1, the material guide plate 40 is positioned below the second rotating shaft 35, the arc-shaped plate 41 is arranged in the preparation box 1, the blanking hole 42 is formed in the arc-shaped plate 41, the stirring shaft 43 is arranged in the preparation box 1 through a bearing, the second motor 44 is arranged on the outer wall of the preparation box 1 through a rack, the stirring shaft 43 penetrates through the output shaft of the preparation box 1 and is connected with the second motor 44, the stirring rods 45 are respectively arranged on the upper end surfaces of the stirring shaft 43 and the arc-shaped plate 41, the stirring rods 45 on the stirring shaft 43 are circumferentially arranged at equal intervals and are staggered with the stirring rods 45 on the arc-shaped plate 41, the arc-, stirring shaft 43 rotates and drives puddler 45 and puddler 45 on the arc 41 and carry out the crushing stirring with abandonment concrete, and arc grinds to smash the grinding with abandonment concrete between the piece 46 when puddler 45 stirs for kibbling abandonment concrete grinds to powdered structure, and arc grinds the grinding effect that piece 46 increases abandonment concrete.
The receiving mechanism 5 comprises a receiving box 50 and a pulling plate 51, an inlet groove is formed in the front end face of the preparation box 1, the receiving box 50 is arranged in the inlet groove, the pulling plate 51 is installed on the front end face of the receiving box 50, and the receiving box 50 collects crushed produced recycled concrete.
In the concrete working process, firstly, the waste concrete blocks screened by impurities are poured into the preparation box 1 and crushed by the first crushing roller 28, when the waste concrete blocks are large, the distance between the first rotating shaft 21 and the second rotating shaft 27 can be adjusted by pulling the left driving plate 2c and the right driving plate 2c to drive the left rotating shaft 27 and the right rotating shaft 27 to move through the push plate 2b, meanwhile, after the second rotating shaft 27 moves, the baffle ring 2a is taken down, the driving gear 29 on the second rotating shaft 27 is taken down for replacement, and the gear meshed with the driving gear 29 on the first rotating shaft 21 is replaced, so that the second crushing roller 31 can crush waste concrete blocks with different sizes, and the phenomenon that some larger concrete blocks are directly erected on the first rotating shaft 21 and the first crushing roller 28 of the second rotating shaft 27 to block the concrete blocks for crushing is avoided;
secondly, the waste concrete crushed by the crushing roller 28 is crushed again through the crushing roller 31 II and the crushing roller 36 III, and the crushing is carried out in multiple stages, so that the waste concrete has a stronger crushing effect, and the use of the recycled concrete is prevented from being influenced;
and thirdly, the stirring rod 45 on the stirring rod 45 and the arc-shaped plate 41 are driven to rotate through the stirring shaft 43 to pulverize and stir the waste concrete, the waste concrete is crushed and ground between the arc-shaped grinding blocks 46 while the stirring rod 45 is stirring, the crushed waste concrete is ground into a powder structure, the arc-shaped grinding blocks 46 increase the grinding and crushing effect of the waste concrete, and then the recycled concrete of the crushed production is collected through the material collecting box 50.
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 (6)

1. The utility model provides an anti recycled concrete preparation method that splits, it has used an anti recycled concrete preparation facilities that splits, this anti recycled concrete preparation facilities that splits includes preparation case (1), one-level crushing adjustment mechanism (2), second grade rubbing crusher constructs (3), stirring grinding mechanism (4) and receiving agencies (5), its characterized in that: the concrete preparation method for preparing the recycled concrete by adopting the anti-crack recycled concrete preparation device is as follows:
s1, crushing and distance adjusting: the method comprises the following steps that waste concrete blocks with impurities screened are poured into a preparation box (1) and are crushed through a crushing roller (28), when the waste concrete blocks are large, a left driving plate (2c) and a right driving plate (2c) can be pulled to drive a left rotating shaft (27) and a right rotating shaft (27) to move through a push plate (2b), so that the distance between the first rotating shaft (21) and the second rotating shaft (27) is adjusted, and the crushing roller (31) can crush waste concrete blocks with different sizes conveniently;
s2, screening and crushing: the waste concrete particles crushed by the first crushing roller (28) are crushed again by the second-stage crushing mechanism (3), and are sieved at the same time, so that the un-crushed concrete particles are crushed doubly;
s3, crushing and grinding: grinding the crushed small-particle waste concrete by a stirring and grinding mechanism (4), grinding the crushed small-particle waste concrete into a powdery structure to form recycled concrete, and collecting the recycled concrete by a material receiving mechanism (5);
a primary crushing adjusting mechanism (2), a secondary crushing mechanism (3), a stirring and grinding mechanism (4) and a material receiving mechanism (5) are sequentially arranged in the preparation box (1) from top to bottom;
one-level crushing and adjusting mechanism (2) include triangle-shaped flow distribution plate (20), axis of rotation (21), adjust and lead to groove (22), ladder groove (23), connecting plate (24), stopper (25), movable plate (26), No. two axis of rotation (27), crushing roller (28), drive gear (29), fender ring (2a), push pedal (2b) and drive plate (2c), preparation case (1) around install triangle-shaped flow distribution plate (20) between the inner wall, the bilateral symmetry installs axis of rotation (21) through the bearing around preparation case (1), axis of rotation (21) are located the left and right sides of triangle-shaped flow distribution plate (20), the inner wall opposite face bilateral symmetry of preparation case (1) has been seted up and has been adjusted and lead to groove (22), adjust and lead to groove (22) and be located the both sides of a left and right axis of rotation (21), adjust and lead to groove (22) in bilateral symmetry and have seted up ladder groove (23), connecting plates (24) are arranged in the stepped groove (23) in a sliding fit mode, limiting blocks (25) are arranged on the front side and the rear side of each connecting plate (24), a moving plate (26) is arranged between the left connecting plate and the right connecting plate (24), the moving plate (26) is positioned in the adjusting through groove (22), a second rotating shaft (27) is arranged between the front moving plate and the rear moving plate (26) through a bearing, a first crushing roller (28) is sleeved on the second rotating shaft (27) and the first rotating shaft (21), a preparation box (1) and the moving plate (26) are respectively sleeved with a meshed driving gear (29), the driving gear (29) on the second rotating shaft (27) is connected with the second rotating shaft (27) in a threaded fit mode, a blocking ring (2a) is arranged on the second rotating shaft (27) in a threaded fit mode, a push-pull through groove is formed in the stepped groove (23) close to the outer wall of the preparation box (1), a push plate (2b) is installed on the connecting plate (24), the push plate (2b) penetrates through the push-pull through groove, and the front push plate and the rear push plate (2b) are connected through a driving plate (2 c).
2. The method for preparing anti-crack recycled concrete according to claim 1, wherein the concrete is prepared by the following steps: second grade rubbing crusher constructs (3) including pivot (30), No. two crushing roller (31), driving gear (32), belt (33), screening baffle (34), No. two pivot (35), No. three crushing roller (36), roll-in gear (37), No. two belt (38) and motor (39), the front and back inner wall of preparation case (1) between install pivot (30) through the bearing, every two pivot (30) are a set of, control two sets of pivot (30) symmetry and arrange, control two sets of pivot (30) and be located the lower apex angle below of triangle-shaped flow distribution plate (20), the cover is equipped with No. two crushing roller (31) on pivot (30), the rear end of a axis of rotation (21) all wears to establish preparation case (1), the cover is equipped with engaged with driving gear (32) on every pivot (30), connect through a belt (33) transmission between two sets of adjacent pivot (30) and a axis of rotation (21), connect through a belt (33) between every pivot (30) of every group The utility model discloses a screening box, preparation case (1) interior bilateral symmetry is provided with screening baffle (34), screening baffle (34) slope downwards, screening baffle (34) are located the below of pivot (30) No. one, install No. two pivot (35) through bearing bilateral symmetry in preparation case (1), No. two pivot (35) are located the slope direction below of screening baffle (34), the cover is equipped with No. three crushing roller (36) on No. two pivot (35), No. two pivot (35) are worn to establish preparation case (1) cover and are equipped with engaged with roll-in gear (37), No. two pivot (35) with control two sets of pivot (30) that are close to preparation case (1) outer wall between be connected through No. two belt (38) transmission, No. one motor (39) are installed through the frame to the rear end face of preparation case (1), the output shaft and No. two pivot (35) of No. one motor (39) are connected.
3. The method for preparing anti-crack recycled concrete according to claim 2, wherein the concrete is prepared by the following steps: the stirring and grinding mechanism (4) comprises a material guide plate (40), an arc-shaped plate (41), blanking holes (42), a stirring shaft (43), a second motor (44), stirring rods (45) and arc-shaped grinding blocks (46), wherein the material guide plate (40) is symmetrically arranged on the left and right of the inner wall of the preparation box (1), the material guide plate (40) is positioned below the second rotating shaft (35), the arc-shaped plate (41) is arranged in the preparation box (1), the blanking holes (42) are formed in the arc-shaped plate (41), the stirring shaft (43) is arranged in the preparation box (1) through a bearing, the second motor (44) is arranged on the outer wall of the preparation box (1) through a rack, the stirring shaft (43) penetrates through the preparation box (1) and is connected with the output shaft of the second motor (44), the stirring rods (45) are respectively arranged on the upper end faces of the stirring shaft (43) and the arc-shaped plate (41), the stirring rods (45) on, and the stirring rods (45) on the arc-shaped plates (41) are arranged in a staggered way, and arc-shaped grinding blocks (46) are arranged on the stirring rods (45).
4. The method for preparing anti-crack recycled concrete according to claim 1, wherein the concrete is prepared by the following steps: the material receiving mechanism (5) comprises a material receiving box (50) and a pulling plate (51), an inlet groove is formed in the front end face of the preparation box (1), the material receiving box (50) is arranged in the inlet groove, and the pulling plate (51) is installed on the front end face of the material receiving box (50).
5. The method for preparing anti-crack recycled concrete according to claim 1, wherein the concrete is prepared by the following steps: a reset spring rod (210) is arranged between the connecting plate (24) and the stepped groove (23) close to the first rotating shaft (21).
6. The method for preparing anti-crack recycled concrete according to claim 1, wherein the concrete is prepared by the following steps: the opposite face of preparation case (1) and drive board (2c) all install threaded rod (10), the cover is equipped with sleeve (11) between threaded rod (10), is connected through screw-thread fit's mode between sleeve (11) and threaded rod (10).
CN202110384560.1A 2021-04-09 2021-04-09 Preparation method of anti-crack recycled concrete Withdrawn CN113102019A (en)

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CN202110384560.1A CN113102019A (en) 2021-04-09 2021-04-09 Preparation method of anti-crack recycled concrete

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115055256A (en) * 2022-07-12 2022-09-16 徐州华汇生物资源催化利用研究院有限公司 Abandonment woodwork is recycled and is cut up briquetting equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115055256A (en) * 2022-07-12 2022-09-16 徐州华汇生物资源催化利用研究院有限公司 Abandonment woodwork is recycled and is cut up briquetting equipment
CN115055256B (en) * 2022-07-12 2023-11-21 徐州华汇生物资源催化利用研究院有限公司 Waste wood product recycling and chopping briquetting equipment

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