CN109158152B - Building rubbish fine crushing and screening device - Google Patents

Building rubbish fine crushing and screening device Download PDF

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Publication number
CN109158152B
CN109158152B CN201810979471.XA CN201810979471A CN109158152B CN 109158152 B CN109158152 B CN 109158152B CN 201810979471 A CN201810979471 A CN 201810979471A CN 109158152 B CN109158152 B CN 109158152B
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China
Prior art keywords
belt
wheel
fixedly connected
roller
screening
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CN201810979471.XA
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Chinese (zh)
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CN109158152A (en
Inventor
于峰
祝金磊
李环宇
于家琦
初思瑶
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Heilongjiang Lande Unltrasound Technology Co Ltd
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Heilongjiang Lande Unltrasound Technology Co Ltd
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Priority to CN201810979471.XA priority Critical patent/CN109158152B/en
Publication of CN109158152A publication Critical patent/CN109158152A/en
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Classifications

    • 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
    • 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
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • 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
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/10Screens in the form of endless moving bands
    • 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
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165Screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

Abstract

The invention relates to the field of construction waste treatment, in particular to a fine crushing and screening device for construction waste. The building garbage fine crushing and screening device comprises a crushing box, a screening box, a movable grinding roller, a fixed grinding roller, a driving mechanism, a tensioning driving wheel, a turning wheel, a screening belt, a fine material output belt, a coarse material push plate and a rack, wherein a feeding hole, a blanking hole, a groove-shaped slideway and a circular insertion hole are formed in the crushing box; the top end of the crushing box is provided with a feeding hole, the bottom end of the crushing box is provided with a blanking hole, and the lower end of the blanking hole is fixedly connected and communicated with the screening box; the left ends of the front side face and the rear side face of the crushing box are respectively provided with a groove-shaped slideway, and the right ends of the front side face and the rear side face of the crushing box are respectively provided with a circular jack; the crushing box is fixedly connected to the rack; the invention can realize the high-efficiency crushing treatment of the construction waste, realize the high-efficiency screening treatment of the crushed construction waste, and respectively output the screened fine materials and coarse materials.

Description

Building rubbish fine crushing and screening device
Technical Field
The invention relates to the field of construction waste treatment, in particular to a fine crushing and screening device for construction waste.
Background
With the development of economy in China, the pace of urban and rural construction is accelerated, the quantity of construction waste is increasing day by day, and the quantity of the construction waste is on the trend of rising year by year. The total amount of the construction waste in China accounts for 30-40% of the total amount of the urban waste, and the peak period of the construction waste generation is reached. The production of construction waste in 2005 in Beijing is 3600 ten thousand tons, and the production of construction waste in 2005 in Shanghai is 2350 ten thousand tons. The solid construction waste produced each year in the country exceeds 8 hundred million tons, and 95% of the solid construction waste can be recycled. At present, most of the construction wastes in China are transported to the outskirts for open-air stacking or landfill without any treatment, and the treatment mode not only consumes a large amount of land resources, but also causes serious environmental pollution.
The construction waste is not real waste, but "gold" of the place is misplaced, and after being sorted, rejected or crushed, the construction waste can be mostly reused as renewable resources, such as: the waste materials such as bricks, stones, concrete and the like can be used for replacing sand, building mortar, plastering mortar and the like, and can also be used for manufacturing building material products such as paving bricks, lattice bricks and the like.
Disclosure of Invention
The invention aims to provide a building garbage fine crushing and screening device which can realize efficient crushing treatment of building garbage, can realize efficient screening treatment of the crushed building garbage, can respectively output screened fine materials and coarse materials, and is convenient for improving recycling efficiency.
The purpose of the invention is realized by the following technical scheme:
the building garbage fine crushing and screening device comprises a crushing box, a screening box, a movable grinding roller, a fixed grinding roller, a driving mechanism, a tensioning driving wheel, a turning wheel, a screening belt, a fine material output belt, a coarse material push plate and a rack, wherein a feeding hole, a blanking hole, a groove-shaped slideway and a circular insertion hole are formed in the crushing box; the top end of the crushing box is provided with a feeding hole, the bottom end of the crushing box is provided with a blanking hole, and the lower end of the blanking hole is fixedly connected and communicated with the screening box; the left ends of the front side face and the rear side face of the crushing box are respectively provided with a groove-shaped slideway, and the right ends of the front side face and the rear side face of the crushing box are respectively provided with a circular jack; the crushing box is fixedly connected to the rack;
two ends of the movable grinding roller are respectively connected to the inner sides of the two groove-shaped slideways in a sliding fit manner, and the rear end of the movable grinding roller is fixedly connected with the rear side surface of the crushing box; the front end of the movable grinding roller is in transmission connection with a turning wheel through a tensioning transmission wheel; the turning wheel and the tensioning transmission wheel are connected to the front side face of the crushing box; the driving mechanism is fixedly connected to the front side surface of the crushing box, is in transmission connection with the turning wheel, and is in transmission connection with the fixed grinding roller through a belt; the front end and the rear end of the fixed grinding roller are respectively connected to the inner sides of the two circular insertion holes in a rotating fit manner; the fixed grinding roller is in transmission connection with the screening belt; the screening belt is in transmission connection with the fine material output belt;
the screening box comprises a box body, a coarse material outlet, a fine material outlet, a through belt groove and an output transverse plate; the box body is fixedly connected to the lower end of the crushing box; the middle end of the left side surface of the box body is provided with a coarse material outlet, and the left end of the coarse material outlet is fixedly connected with an output transverse plate; the lower ends of the left side surface and the right side surface of the box body are respectively provided with a belt penetrating groove, the belt penetrating grooves are positioned at the lower ends of the coarse material outlets, and the output transverse plate is positioned at the upper ends of the belt penetrating grooves; the lower ends of the front side surface and the rear side surface of the box body are respectively provided with a fine material outlet which is communicated with a coarse material outlet; the left end and the right end of the screening belt are respectively and fixedly connected to the left end and the right end of the box body, and the middle end of the screening belt is connected to the inner side of the belt penetrating groove in a sliding fit manner; the front end and the rear end of the fine material output belt are respectively and fixedly connected to the front end and the rear end of the box body, the middle end of the fine material output belt is connected to the inner sides of the two fine material outlets in a sliding fit mode, and the fine material output belt is arranged on the inner side of the screen material belt;
the coarse material push plate comprises an electric push rod, a movable connecting plate and an L-shaped push plate; the electric push rod is fixedly connected to the right end of the box body, the right end of the electric push rod is fixedly connected with the right end of the L-shaped pushing plate through the movable connecting plate, and the transverse plate of the L-shaped pushing plate is connected to the right side face of the box body in a sliding fit manner; the vertical plate of the L-shaped material pushing plate is connected to the inner side of the box body in a sliding fit manner; the vertical plate of the L-shaped material pushing plate is connected to the material sieving belt in a sliding fit mode.
The driving mechanism comprises a driving motor, a driving shaft, a driving gear and a driving belt wheel; an output shaft of the driving motor is connected with a driving shaft through a coupler, and the driving shaft is fixedly connected with a driving gear and a driving belt wheel; the driving gear is meshed and connected with the turning wheel; the driving belt wheel is connected with the fixed grinding roller through a belt in a transmission way; the driving motor is fixedly connected to the front side face of the crushing box.
The turning wheel comprises a turning gear, a wheel shaft and a linkage belt wheel; the wheel shaft is rotatably connected to the front side surface of the crushing box through a bearing with a seat; the change gear and the linkage belt wheel are fixedly connected to the wheel shaft; the direction changing gear is meshed with the driving gear; the linkage belt wheel is in transmission connection with the movable grinding roller through a tensioning transmission wheel.
The tensioning transmission wheel comprises a tensioning wheel body, a short shaft, a horizontal sliding plate, a fixed seat, a spring seat, a compression spring and a tensioning belt; the tension pulley body is rotatably connected to the left end of the horizontal sliding plate through a short shaft, the horizontal sliding plate is connected to the fixed seat in a sliding fit mode, and the fixed seat is fixedly connected to the front side face of the crushing box; the right end of the horizontal sliding plate is fixedly connected with a spring seat, a compression spring is sleeved on the horizontal sliding plate, and the compression spring is arranged between the fixed seat and the spring seat; the tensioning wheel body is connected with the linkage belt wheel and the movable grinding roller through a tensioning belt in a transmission mode.
The movable grinding roller comprises a movable roller, a roller shaft, a driven belt wheel, a shaft seat plate, a sliding column, an L-shaped seat plate, a pressure spring, an adjusting ring and a vertical connecting rod; the movable roller is fixedly connected to the roller shaft and is rotatably connected to the inner side of the crushing box; the front end and the rear end of the roll shaft are respectively connected in the two groove-shaped slideways in a sliding fit manner, the front end of the roll shaft is fixedly connected with a driven belt wheel, the driven belt wheel is in transmission connection with a linkage belt wheel and a tensioning wheel body through a tensioning belt, the rear end of the roll shaft is rotatably connected on a shaft seat plate through a belt seat bearing, the left end of the shaft seat plate is fixedly connected with a sliding column, the sliding column is connected at the left end of the L-shaped seat plate in a sliding fit manner, the left end of the sliding column is connected with an adjusting ring through threads, a pressure spring is sleeved on the; the right end of the L-shaped seat plate is fixedly connected with a vertical connecting rod, and the vertical connecting rod is fixedly connected to the rear side face of the crushing box.
The fixed grinding roller comprises a fixed roller, a rotating shaft, a rotating belt wheel and a driving chain wheel; the fixed roller is fixedly connected to the rotating shaft, the fixed roller is connected to the inner side of the crushing box in a rotating fit mode, the fixed roller and the movable roller are arranged oppositely, and the front end and the rear end of the rotating shaft are respectively connected into the two circular inserting holes in a rotating mode through bearings with seats; the front end of the rotating shaft is fixedly connected with a rotating belt wheel and a driving chain wheel; the rotating belt wheel is connected with a driving belt wheel through belt transmission; the driving chain wheel is connected with the screening belt through chain transmission.
The screening belt comprises a mesh screening belt, a conveying roller, a rotating shaft, a driven chain wheel, a driving bevel gear and a side plate; the two side plates are respectively and fixedly connected to the left end and the right end of the box body; the two side plates are respectively connected with a rotating shaft in a rotating fit manner, the middle ends of the two rotating shafts are respectively fixedly connected with a conveying roller, the two conveying rollers are in transmission connection through a mesh-shaped screening belt, and the mesh-shaped screening belt is connected with the inner sides of the belt penetrating groove and the box body in a sliding fit manner; a driving bevel gear is fixedly connected to a rotating shaft positioned on the left side of the box body, and the driving bevel gear is meshed with the fine material output belt; a driven chain wheel is fixedly connected to the rotating shaft on the right side of the box body, and the driven chain wheel is connected with a driving chain wheel through chain transmission; the vertical plate of the L-shaped material pushing plate is connected to the mesh-shaped screening belt in a sliding fit mode.
The top surface and the bottom surface of the mesh-shaped screen material belt are respectively attached to the top surface and the bottom surface of the belt penetrating groove.
The fine material output belt comprises a material conveying belt, a material conveying roller, a roller shaft, a side frame plate and a driven bevel gear; the two side frame plates are respectively and fixedly connected to the front end and the rear end of the box body, the two side frame plates are respectively connected with a roller shaft in a rotating fit mode, the two roller shafts are respectively and fixedly connected with a material conveying roller, the two material conveying rollers are in transmission connection through a material conveying belt, and the material conveying belt is arranged on the inner side of the reticular sieve material belt; the material conveying belt is connected in the two fine material outlets of the box body in a sliding fit manner; the left end of the roller shaft positioned at the front end of the box body is fixedly connected with a driven bevel gear, and the driven bevel gear is meshed with a driving bevel gear.
The distance between the material conveying belt and the top surface of the fine material outlet is not less than 10 cm.
The invention has the beneficial effects that: the building garbage fine crushing and screening device can realize efficient crushing treatment of the building garbage, meanwhile realize efficient screening treatment of the crushed building garbage, and can respectively output the screened fine materials and coarse materials, so that the recycling efficiency is improved; the movable grinding roller and the fixed grinding roller for grinding the construction waste are arranged in the chute-shaped slideway, and the movable grinding roller can perform proper horizontal movement on the inner side of the chute-shaped slideway, so that the blockage phenomenon of the chute-shaped slideway is prevented when the waste is too large; the movable grinding roller, the fixed grinding roller and the fine material output belt are driven and controlled by the same driving motor, so that energy is saved, consumption is reduced, the continuity of equipment is good, and the treatment efficiency of construction waste is improved conveniently.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a first schematic view of the internal crushing box of the present invention;
FIG. 4 is a second schematic structural view of the internal crushing box of the present invention;
FIG. 5 is a schematic view of the construction of the internal screening box of the present invention;
FIG. 6 is a schematic view of the construction of an internal movable grinding roll of the present invention;
FIG. 7 is a schematic view of the construction of the internal fixed grinding roll of the present invention;
FIG. 8 is a schematic view of the internal drive mechanism of the present invention;
FIG. 9 is a schematic view of the internal tension drive wheel of the present invention;
FIG. 10 is a schematic view of the construction of the internal direction changing wheel of the present invention;
FIG. 11 is a schematic view of the construction of the inner screen band of the present invention;
FIG. 12 is a schematic illustration of the construction of an internal fines output belt according to the present invention;
FIG. 13 is a schematic view of the construction of the internal coarse pushing plate of the present invention;
fig. 14 is a schematic structural view of the internal housing of the present invention.
In the figure: a crushing box 1; a feed port 1-1; a blanking port 1-2; 1-3 of a groove-shaped slideway; 1-4 of a circular jack; a screening box 2; a box body 2-1; a coarse material outlet 2-2; a fine material outlet 2-3; 2-4 of a threading groove; outputting a transverse plate 2-5; a movable grinding roller 3; 3-1 of a movable roller; a roll shaft 3-2; a driven pulley 3-3; a shaft base plate 3-4; 3-5 of a sliding column; 3-6 of an L-shaped seat plate; 3-7 parts of a pressure spring; adjusting rings 3-8; 3-9 parts of vertical connecting rod; fixing the grinding roller 4; a fixed roller 4-1; a rotating shaft 4-2; 4-3 of a rotating belt wheel; 4-4 of a driving chain wheel; a drive mechanism 5; a driving motor 5-1; a drive shaft 5-2; 5-3 of a driving gear; 5-4 of a driving belt wheel; a tension transmission wheel 6; a tension wheel body 6-1; 6-2 of a horizontal sliding plate; 6-3 of a fixed seat; spring seats 6-4; 6-5 of a compression spring; 6-6 of a tension belt; a turning wheel 7; a change gear 7-1; 7-2 of a wheel shaft; a linkage belt wheel 7-3; a screen belt 8; 8-1 of a mesh sieve belt; a conveying roller 8-2; 8-3 of a rotating shaft; a driven sprocket 8-4; 8-5 of a driving bevel gear; 8-6 parts of side plates; a fines output belt 9; a material conveying belt 9-1; a material conveying roller 9-2; a roller shaft 9-3; 9-4 of side frame plates; a driven bevel gear 9-5; a coarse material push plate 10; an electric push rod 10-1; a movable yoke plate 10-2; an L-shaped material pushing plate 10-3; a frame 11.
Detailed Description
The invention is described in further detail below with reference to fig. 1-14.
The first embodiment is as follows:
as shown in fig. 1-14, the fine crushing and screening device for construction waste comprises a crushing box 1, a screening box 2, a movable grinding roller 3, a fixed grinding roller 4, a driving mechanism 5, a tensioning transmission wheel 6, a turning wheel 7, a screening belt 8, a fine material output belt 9, a coarse material push plate 10 and a frame 11, wherein the crushing box 1 is provided with a feeding port 1-1, a blanking port 1-2, a groove-shaped slideway 1-3 and a circular insertion hole 1-4; the top end of the crushing box 1 is provided with a feeding hole 1-1, the bottom end of the crushing box 1 is provided with a blanking hole 1-2, and the lower end of the blanking hole 1-2 is fixedly connected and communicated with the screening box 2; the left ends of the front side face and the rear side face of the crushing box 1 are respectively provided with a groove-shaped slideway 1-3, and the right ends of the front side face and the rear side face of the crushing box 1 are respectively provided with a circular jack 1-4; the crushing box 1 is fixedly connected to the frame 11; when the building garbage fine crushing and screening device is used, firstly, a driving mechanism 5 and a coarse material push plate 10 are communicated with a power supply and are started through a control switch, when the driving mechanism 5 works, a turning wheel 7 and a fixed grinding roller 4 can be driven to work, when the turning wheel 7 works, a movable grinding roller 3 can be driven to work through a tensioning transmission wheel 6, the movable grinding roller 3 and the fixed grinding roller 4 are matched to rotate oppositely, so that garbage thrown into the inner side of a crushing box 1 through a feeding hole 1-1 is subjected to grinding and crushing treatment, when the movable grinding roller 3 is used, the movable grinding roller 3 can move outwards at a certain position under the action of large resistance, the movable grinding roller 3 and the fixed grinding roller 4 are prevented from being damaged by large-volume garbage, and the phenomenon of blocking is prevented; the fixed grinding roller 4 can drive the screen belt 8 through the chain to work when working, the screen belt 8 can convey the construction waste falling into the inside of the screening box 2 from the right side to the left side after being crushed, the screening treatment is synchronously carried out during the conveying, the screen belt 8 can synchronously drive the fine material output belt 9 to work when working, meanwhile, the waste which does not accord with the screening specification when working of the coarse material push plate 10 can be pushed out to the output transverse plate 2-5 through the coarse material outlet 2-2, the crushing or recycling is convenient to carry out again, the construction waste which accords with the screening requirement falls on the fine material output belt 9, the construction waste is conveyed to the outer end of the fine material outlet 2-3 through the fine material output belt 9, and the collection and utilization are convenient.
Two ends of the movable grinding roller 3 are respectively connected to the inner sides of the two groove-shaped slideways 1-3 in a sliding fit manner, and the rear end of the movable grinding roller 3 is fixedly connected with the rear side surface of the crushing box 1; the front end of the movable grinding roller 3 is in transmission connection with a turning wheel 7 through a tensioning transmission wheel 6; the turning wheel 7 and the tensioning transmission wheel 6 are connected to the front side surface of the crushing box 1; the driving mechanism 5 is fixedly connected to the front side surface of the crushing box 1, the driving mechanism 5 is in transmission connection with a turning wheel 7, and the driving mechanism 5 is in transmission connection with the fixed grinding roller 4 through a belt; the front end and the rear end of the fixed grinding roller 4 are respectively connected to the inner sides of the two circular insertion holes 1-4 in a rotating fit manner; the fixed grinding roller 4 is in transmission connection with a screen belt 8; the screening belt 8 is in transmission connection with a fine material output belt 9;
the screening box 2 comprises a box body 2-1, a coarse material outlet 2-2, a fine material outlet 2-3, a belt passing groove 2-4 and an output transverse plate 2-5; the box body 2-1 is fixedly connected to the lower end of the crushing box 1; the middle end of the left side surface of the box body 2-1 is provided with a coarse material outlet 2-2, and the left end of the coarse material outlet 2-2 is fixedly connected with an output transverse plate 2-5; the lower ends of the left side surface and the right side surface of the box body 2-1 are respectively provided with a belt penetrating groove 2-4, the belt penetrating groove 2-4 is positioned at the lower end of the coarse material outlet 2-2, and the output transverse plate 2-5 is positioned at the upper end of the belt penetrating groove 2-4; the lower ends of the front side surface and the rear side surface of the box body 2-1 are respectively provided with a fine material outlet 2-3, and the fine material outlet 2-3 is communicated with the coarse material outlet 2-2; the left end and the right end of the screening belt 8 are fixedly connected to the left end and the right end of the box body 2-1 respectively, and the middle end of the screening belt 8 is connected to the inner side of the belt penetrating groove 2-4 in a sliding fit mode; the front end and the rear end of the fine material output belt 9 are respectively and fixedly connected with the front end and the rear end of the box body 2-1, the middle end of the fine material output belt 9 is connected to the inner sides of the two fine material outlets 2-3 in a sliding fit mode, and the fine material output belt 9 is arranged on the inner side of the screening belt 8; the contact position of the right end of the output transverse plate 2-5 and the box body 2-1 is provided with an inclined plane which is inclined towards the lower right, so that the coarse material push plate 10 can conveniently push the construction waste which does not meet the screening requirement to the output transverse plate 2-5.
The coarse material push plate 10 comprises an electric push rod 10-1, a movable yoke plate 10-2 and an L-shaped push plate 10-3; the electric push rod 10-1 is fixedly connected to the right end of the box body 2-1, the right end of the electric push rod 10-1 is fixedly connected with the right end of the L-shaped material pushing plate 10-3 through the movable connecting plate 10-2, and the transverse plate of the L-shaped material pushing plate 10-3 is connected to the right side face of the box body 2-1 in a sliding fit manner; the vertical plate of the L-shaped material pushing plate 10-3 is connected to the inner side of the box body 2-1 in a sliding fit manner; the vertical plate of the L-shaped material pushing plate 10-3 is connected on the screening belt 8 in a sliding fit manner. When the coarse material push plate 10 is used, the electric push rod 10-1 is communicated with a power supply and is opened through the control switch, the electric push rod 10-1 can drive the L-shaped push plate 10-3 to do reciprocating motion in the left-right direction through the movable connecting plate 10-2, when the L-shaped push plate 10-3 moves towards the left side, the garbage which falls on the screening material belt 8 and is screened by the screening material belt 8 and does not meet the screening specification is pushed out, meanwhile, the movable grinding roller 3 and the fixed grinding roller 4 in the crushing box 1 grind the construction garbage which falls into the screening box 2 again and can fall on the transverse plate of the L-shaped push plate 10-3, and along with the rightward motion of the transverse plate of the L-shaped push plate 10-3, the transverse plate of the L-shaped push plate 10-3 is blocked by the inner wall at the right side of the screening box 2, so that the garbage gradually falls on the screening material belt 8 to prevent the, and the screening effect can be improved.
The second embodiment is as follows:
as shown in fig. 1-14, the driving mechanism 5 includes a driving motor 5-1, a driving shaft 5-2, a driving gear 5-3 and a driving pulley 5-4; an output shaft of the driving motor 5-1 is connected with a driving shaft 5-2 through a coupler, and a driving gear 5-3 and a driving belt wheel 5-4 are fixedly connected to the driving shaft 5-2; the driving gear 5-3 is meshed with a turning wheel 7; the driving belt wheels 5-4 are connected with the fixed grinding roller 4 through belt transmission; the driving motor 5-1 is fixedly connected to the front side surface of the crushing box 1. When the driving mechanism 5 is used, after the driving motor 5-1 is communicated with a power supply and is started through the control switch, the output shaft of the driving motor 5-1 can drive the driving shaft 5-2 to rotate anticlockwise, and the driving shaft 5-2 can drive the driving gear 5-3 and the driving belt wheel 5-4 to rotate anticlockwise; the driving gear 5-3 can drive the turning wheel 7 to work when rotating anticlockwise, and the driving belt wheel 5-4 drives the fixed grinding roller 4 to work through a belt.
The third concrete implementation mode:
as shown in fig. 1-14, the direction-changing wheel 7 comprises a direction-changing gear 7-1, a wheel shaft 7-2 and a linkage belt wheel 7-3; the wheel shaft 7-2 is rotatably connected to the front side surface of the crushing box 1 through a bearing with a seat; the change gear 7-1 and the linkage belt wheel 7-3 are fixedly connected to the wheel shaft 7-2; the change gear 7-1 is meshed with the driving gear 5-3; the linkage belt wheel 7-3 is in transmission connection with the movable grinding roller 3 through a tensioning transmission wheel 6. When the turning wheel 7 is used, the driving gear 5-3 rotates anticlockwise to drive the turning gear 7-1 to rotate clockwise, the turning gear 7-1 drives the wheel shaft 7-2 to rotate clockwise, the wheel shaft 7-2 drives the linkage belt wheel 7-3 to rotate clockwise, and the linkage belt wheel 7-3 drives the movable grinding roller 3 to work through the tensioning driving wheel 6.
The fourth concrete implementation mode:
as shown in fig. 1-14, the tension transmission wheel 6 comprises a tension wheel body 6-1, a short shaft, a horizontal sliding plate 6-2, a fixed seat 6-3, a spring seat 6-4, a compression spring 6-5 and a tension belt 6-6; the tension pulley body 6-1 is rotatably connected to the left end of the horizontal sliding plate 6-2 through a short shaft, the horizontal sliding plate 6-2 is connected to the fixed seat 6-3 in a sliding fit mode, and the fixed seat 6-3 is fixedly connected to the front side face of the crushing box 1; the right end of the horizontal sliding plate 6-2 is fixedly connected with a spring seat 6-4, a compression spring 6-5 is sleeved on the horizontal sliding plate 6-2, and the compression spring 6-5 is arranged between the fixed seat 6-3 and the spring seat 6-4; the tensioning wheel body 6-1 is in transmission connection with the linkage belt wheel 7-3 and the movable grinding roller 3 through a tensioning belt 6-6. When the tensioning transmission wheel 6 works, the linkage belt wheel 7-3 rotates clockwise, the tensioning wheel body 6-1 and the driven belt wheel 3-3 can be driven to rotate clockwise through the tensioning belt 6-6, the tensioning transmission wheel 6 plays a role in tensioning transmission, when the whole movable grinding roller 3 moves towards the left side, the tensioning belt 6-6 drives the tensioning wheel body 6-1 to move towards the left side, the tensioning wheel body 6-1 drives the horizontal sliding plate 6-2 to move towards the left side through the short shaft, the horizontal sliding plate 6-2 drives the spring seat 6-4 to move towards the left side, the compression spring 6-5 is compressed at the moment, and otherwise, the tensioning transmission wheel 6 returns to the original position under the elastic force of the compression spring 6-5.
The fifth concrete implementation mode:
as shown in fig. 1-14, the movable grinding roller 3 comprises a movable roller 3-1, a roller shaft 3-2, a driven belt wheel 3-3, a shaft seat plate 3-4, a sliding column 3-5, an L-shaped seat plate 3-6, a pressure spring 3-7, an adjusting ring 3-8 and a vertical connecting rod 3-9; the movable roller 3-1 is fixedly connected to the roller shaft 3-2, and the movable roller 3-1 is rotatably connected to the inner side of the crushing box 1; the front end and the rear end of the roll shaft 3-2 are respectively connected in the two groove-shaped slideways 1-3 in a sliding fit manner, the front end of the roll shaft 3-2 is fixedly connected with a driven belt wheel 3-3, the driven belt wheel 3-3 is in transmission connection with a linkage belt wheel 7-3 and a tensioning wheel body 6-1 through a tensioning belt 6-6, the rear end of the roll shaft 3-2 is rotatably connected to a shaft seat plate 3-4 through a belt seat bearing, the left end of the shaft seat plate 3-4 is fixedly connected with a sliding column 3-5, the sliding column 3-5 is in sliding fit connection with the left end of the L-shaped seat plate 3-6, the left end of the sliding column 3-5 is in threaded connection with an adjusting ring 3-8, a pressure spring 3-7 is sleeved on the sliding column 3-5, and the pressure spring 3-7 is; the right end of the L-shaped seat plate 3-6 is fixedly connected with a vertical connecting rod 3-9, and the vertical connecting rod 3-9 is fixedly connected to the rear side face of the crushing box 1. When the movable grinding roller 3 is used, the linkage belt wheel 7-3 can drive the tensioning wheel body 6-1 and the driven belt wheel 3-3 to rotate clockwise through the tensioning belt 6-6 when rotating clockwise, the driven belt wheel 3-3 can drive the roller shaft 3-2 to rotate clockwise when rotating clockwise, the roller shaft 3-2 can drive the movable roller 3-1 to rotate clockwise when rotating clockwise, and the clockwise rotation of the movable roller 3-1 and the anticlockwise rotation of the fixed roller 4-1 can jointly crush the construction waste; when the movable roller 3-1 is subjected to large resistance, the movable roller can move towards the left side, the roller shaft 3-2 slides towards the left side in the two groove-shaped slideways 1-3 at the moment, the rear end of the roller shaft 3-2 drives the shaft seat plate 3-4 to move towards the left side, the shaft seat plate 3-4 compresses a pressure spring 3-7 on the sliding column 3-5, and the pressure spring 3-7 plays roles of buffering, damping, moving and resetting and can effectively prevent the movable roller 3-1 from being damaged when being subjected to large resistance.
The sixth specific implementation mode:
as shown in fig. 1 to 14, the fixed grinding roll 4 includes a fixed roll 4-1, a rotating shaft 4-2, a rotating pulley 4-3, and a driving sprocket 4-4; the fixed roller 4-1 is fixedly connected to the rotating shaft 4-2, the fixed roller 4-1 is connected to the inner side of the crushing box 1 in a rotating fit mode, the fixed roller 4-1 and the movable roller 3-1 are arranged oppositely, and the front end and the rear end of the rotating shaft 4-2 are respectively connected into the two circular jacks 1-4 in a rotating mode through bearings with seats; the front end of the rotating shaft 4-2 is fixedly connected with a rotating belt wheel 4-3 and a driving chain wheel 4-4; the rotating belt wheel 4-3 is connected with a driving belt wheel 5-4 through belt transmission; the driving chain wheels 4-4 are connected with a screening belt 8 through chain transmission.
When the fixed grinding roller 4 is used, the driving belt wheel 5-4 drives the rotating belt wheel 4-3 to rotate anticlockwise through a belt, the rotating belt wheel 4-3 can drive the rotating shaft 4-2 to rotate anticlockwise when rotating, and the rotating shaft 4-2 can drive the fixed roller 4-1 and the driving chain wheel 4-4 to rotate anticlockwise, so that the construction waste is crushed through the clockwise rotation of the movable roller 3-1 and the anticlockwise rotation of the fixed roller 4-1; when the driving chain wheels 4-4 rotate anticlockwise, the screening belt 8 can be connected through chain transmission to carry out screening and conveying work.
The seventh embodiment:
as shown in fig. 1-14, the screening belt 8 comprises a mesh screening belt 8-1, a conveying roller 8-2, a rotating shaft 8-3, a driven sprocket 8-4, a driving bevel gear 8-5 and a side plate 8-6; the two side plates 8-6 are arranged, and the two side plates 8-6 are respectively and fixedly connected to the left end and the right end of the box body 2-1; the two side plates 8-6 are respectively connected with a rotating shaft 8-3 in a rotating fit manner, the middle ends of the two rotating shafts 8-3 are respectively fixedly connected with a conveying roller 8-2, the two conveying rollers 8-2 are in transmission connection through a mesh screen belt 8-1, and the mesh screen belt 8-1 is connected with the inner sides of the belt penetrating groove 2-4 and the box body 2-1 in a sliding fit manner; a driving bevel gear 8-5 is fixedly connected to a rotating shaft 8-3 positioned on the left side of the box body 2-1, and the driving bevel gear 8-5 is meshed with a fine material output belt 9; a driven chain wheel 8-4 is fixedly connected to a rotating shaft 8-3 positioned on the right side of the box body 2-1, and the driven chain wheel 8-4 is connected with a driving chain wheel 4-4 through chain transmission; the vertical plate of the L-shaped material pushing plate 10-3 is connected to the mesh-shaped material screening belt 8-1 in a sliding fit manner.
The top surface and the bottom surface of the mesh-shaped screen belt 8-1 are respectively attached to the top surface and the bottom surface of the belt penetrating groove 2-4.
When the screening belt 8 works, the driving sprocket 4-4 can drive the driven sprocket 8-4 to rotate anticlockwise through the chain when rotating anticlockwise, the driven sprocket 8-4 can drive the rotating shaft 8-3 at the right end to rotate anticlockwise when rotating anticlockwise, the rotating shaft 8-3 at the right end can drive the conveying roller 8-2 at the right end to rotate anticlockwise when rotating anticlockwise, and the conveying roller 8-2 at the left end can drive the conveying roller 8-2 at the left end to rotate anticlockwise through the meshed screening belt 8-1 when rotating anticlockwise, screening the crushed garbage through a mesh screen belt 8-1, wherein the garbage meeting the screening requirement falls on a fine material output belt 9, and the garbage not meeting the screening requirement is conveyed to the left end of the mesh screen belt 8-1 and pushed out by a vertical plate of an L-shaped material pushing plate 10-3; when the conveying roller 8-2 at the left end rotates anticlockwise, the rotating shaft 8-3 and the driving bevel gear 8-5 at the left end can be driven to rotate anticlockwise, and when the driving bevel gear 8-5 rotates anticlockwise, the driven bevel gear 9-5 on the fine material output belt 9 can be driven to rotate clockwise, so that fine materials are conveyed forwards through the fine material output belt 9 and are output through the fine material outlet 2-3.
The specific implementation mode is eight:
as shown in fig. 1-14, the fine material output belt 9 comprises a material conveying belt 9-1, a material conveying roller 9-2, a roller shaft 9-3, a side frame plate 9-4 and a driven bevel gear 9-5; the two side frame plates 9-4 are respectively fixedly connected to the front end and the rear end of the box body 2-1, the two side frame plates 9-4 are respectively connected with a roller shaft 9-3 in a rotating fit mode, the two roller shafts 9-3 are respectively fixedly connected with a material conveying roller 9-2, the two material conveying rollers 9-2 are in transmission connection through a material conveying belt 9-1, and the material conveying belt 9-1 is arranged on the inner side of the mesh screen belt 8-1; the material conveying belt 9-1 is connected in the two fine material outlets 2-3 of the box body 2-1 in a sliding fit manner; the left end of a roller shaft 9-3 positioned at the front end of the box body 2-1 is fixedly connected with a driven bevel gear 9-5, and the driven bevel gear 9-5 is meshed with a driving bevel gear 8-5.
The distance between the material conveying belt 9-1 and the top surface of the fine material outlet 2-3 is not less than 10 cm.
When the fine material output belt 9 is used, the driving bevel gear 8-5 can drive the driven bevel gear 9-5 to rotate clockwise when rotating anticlockwise, the driven bevel gear 9-5 can drive the roller shaft 9-3 at the front end to rotate clockwise when rotating clockwise, the roller shaft 9-3 at the front end can drive the conveying roller 9-2 at the front end to rotate clockwise, the conveying roller 9-2 at the front end drives the conveying roller 9-2 at the rear end to rotate through the conveying belt 9-1, and after the screened construction waste falls on the conveying belt 9-1, the construction waste can be conveyed forwards under the driving of the conveying belt 9-1 and is output through the fine material outlet 2-3.
The working principle of the invention is as follows: when the building garbage fine crushing and screening device is used, firstly, a driving mechanism 5 and a coarse material push plate 10 are communicated with a power supply and are started through a control switch, when the driving mechanism 5 works, a turning wheel 7 and a fixed grinding roller 4 can be driven to work, when the turning wheel 7 works, a movable grinding roller 3 can be driven to work through a tensioning transmission wheel 6, the movable grinding roller 3 and the fixed grinding roller 4 are matched to rotate oppositely, so that garbage thrown into the inner side of a crushing box 1 through a feeding hole 1-1 is subjected to grinding and crushing treatment, when the movable grinding roller 3 is used, the movable grinding roller 3 can move outwards at a certain position under the action of large resistance, the movable grinding roller 3 and the fixed grinding roller 4 are prevented from being damaged by large-volume garbage, and the phenomenon of blocking is prevented; the fixed grinding roller 4 can drive the screen belt 8 through the chain to work when working, the screen belt 8 can convey the construction waste falling into the inside of the screening box 2 from the right side to the left side after being crushed, the screening treatment is synchronously carried out during the conveying, the screen belt 8 can synchronously drive the fine material output belt 9 to work when working, meanwhile, the waste which does not accord with the screening specification when working of the coarse material push plate 10 can be pushed out to the output transverse plate 2-5 through the coarse material outlet 2-2, the crushing or recycling is convenient to carry out again, the construction waste which accords with the screening requirement falls on the fine material output belt 9, the construction waste is conveyed to the outer end of the fine material outlet 2-3 through the fine material output belt 9, and the collection and utilization are convenient.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (10)

1. Meticulous broken screening plant of building rubbish, including broken case (1), screening case (2), activity grinding roller (3), fixed grinding roller (4), actuating mechanism (5), tensioning drive wheel (6), diversion wheel (7), sieve material area (8), fine material output tape (9), coarse fodder push pedal (10) and frame (11), be equipped with feed inlet (1-1) and blanking mouth (1-2) on broken case (1), the top of broken case (1) is equipped with feed inlet (1-1), and the bottom of broken case (1) is equipped with blanking mouth (1-2), and the lower extreme fixed connection and the intercommunication screening case (2) of blanking mouth (1-2), its characterized in that: the crushing box (1) is also provided with a groove-shaped slideway (1-3) and a circular insertion hole (1-4); the left ends of the front side face and the rear side face of the crushing box (1) are respectively provided with a groove-shaped slideway (1-3), and the right ends of the front side face and the rear side face of the crushing box (1) are respectively provided with a circular insertion hole (1-4); the crushing box (1) is fixedly connected to the rack (11);
two ends of the movable grinding roller (3) are respectively connected to the inner sides of the two groove-shaped slideways (1-3) in a sliding fit manner, and the rear end of the movable grinding roller (3) is fixedly connected with the rear side surface of the crushing box (1); the front end of the movable grinding roller (3) is in transmission connection with a turning wheel (7) through a tensioning transmission wheel (6); the turning wheel (7) and the tensioning transmission wheel (6) are connected to the front side face of the crushing box (1); the driving mechanism (5) is fixedly connected to the front side face of the crushing box (1), the driving mechanism (5) is in transmission connection with a turning wheel (7), and the driving mechanism (5) is in transmission connection with a fixed grinding roller (4) through a belt; the front end and the rear end of the fixed grinding roller (4) are respectively connected to the inner sides of the two circular insertion holes (1-4) in a rotating fit manner; the fixed grinding roller (4) is in transmission connection with a screening belt (8); the screening belt (8) is in transmission connection with a fine material output belt (9);
the screening box (2) comprises a box body (2-1), a coarse material outlet (2-2), a fine material outlet (2-3), a through belt groove (2-4) and an output transverse plate (2-5); the box body (2-1) is fixedly connected to the lower end of the crushing box (1); the middle end of the left side surface of the box body (2-1) is provided with a coarse material outlet (2-2), and the left end of the coarse material outlet (2-2) is fixedly connected with an output transverse plate (2-5); the lower ends of the left side surface and the right side surface of the box body (2-1) are respectively provided with a belt penetrating groove (2-4), the belt penetrating grooves (2-4) are positioned at the lower end of the coarse material outlet (2-2), and the output transverse plate (2-5) is positioned at the upper end of the belt penetrating grooves (2-4); the lower ends of the front side surface and the rear side surface of the box body (2-1) are respectively provided with a fine material outlet (2-3), and the fine material outlet (2-3) is communicated with the coarse material outlet (2-2); the left end and the right end of the screening belt (8) are respectively and fixedly connected to the left end and the right end of the box body (2-1), and the middle end of the screening belt (8) is connected to the inner side of the belt penetrating groove (2-4) in a sliding fit manner; the front end and the rear end of the fine material output belt (9) are respectively fixedly connected to the front end and the rear end of the box body (2-1), the middle end of the fine material output belt (9) is connected to the inner sides of the two fine material outlets (2-3) in a sliding fit mode, and the fine material output belt (9) is arranged on the inner side of the sieve belt (8);
the coarse material push plate (10) comprises an electric push rod (10-1), a movable yoke plate (10-2) and an L-shaped push plate (10-3); the electric push rod (10-1) is fixedly connected to the right end of the box body (2-1), the right end of the electric push rod (10-1) is fixedly connected with the right end of the L-shaped material pushing plate (10-3) through the movable connecting plate (10-2), and the transverse plate of the L-shaped material pushing plate (10-3) is connected to the right side face of the box body (2-1) in a sliding fit manner; the vertical plate of the L-shaped material pushing plate (10-3) is connected to the inner side of the box body (2-1) in a sliding fit manner; the vertical plate of the L-shaped material pushing plate (10-3) is connected on the screening belt (8) in a sliding fit manner.
2. The construction waste fine crushing and screening device as claimed in claim 1, wherein: the driving mechanism (5) comprises a driving motor (5-1), a driving shaft (5-2), a driving gear (5-3) and a driving belt wheel (5-4); an output shaft of the driving motor (5-1) is connected with a driving shaft (5-2) through a coupling, and the driving shaft (5-2) is fixedly connected with a driving gear (5-3) and a driving belt wheel (5-4); the driving gear (5-3) is meshed with a turning wheel (7); the driving belt wheels (5-4) are connected with and fixed with the grinding roller (4) through belt transmission; the driving motor (5-1) is fixedly connected to the front side face of the crushing box (1).
3. The construction waste fine crushing and screening device as claimed in claim 2, wherein: the change wheel (7) comprises a change gear (7-1), a wheel shaft (7-2) and a linkage belt wheel (7-3); the wheel shaft (7-2) is rotatably connected to the front side surface of the crushing box (1) through a bearing with a seat; the change gear (7-1) and the linkage belt wheel (7-3) are fixedly connected to the wheel shaft (7-2); the change gear (7-1) is meshed with the driving gear (5-3); the linkage belt wheel (7-3) is in transmission connection with the movable grinding roller (3) through a tensioning transmission wheel (6).
4. The construction waste fine crushing and screening device as claimed in claim 3, wherein: the tensioning transmission wheel (6) comprises a tensioning wheel body (6-1), a short shaft, a horizontal sliding plate (6-2), a fixed seat (6-3), a spring seat (6-4), a compression spring (6-5) and a tensioning belt (6-6); the tension pulley body (6-1) is rotatably connected to the left end of the horizontal sliding plate (6-2) through a short shaft, the horizontal sliding plate (6-2) is connected to the fixed seat (6-3) in a sliding fit mode, and the fixed seat (6-3) is fixedly connected to the front side face of the crushing box (1); the right end of the horizontal sliding plate (6-2) is fixedly connected with a spring seat (6-4), a compression spring (6-5) is sleeved on the horizontal sliding plate (6-2), and the compression spring (6-5) is arranged between the fixed seat (6-3) and the spring seat (6-4); the tensioning wheel body (6-1) is in transmission connection with the linkage belt wheel (7-3) and the movable grinding roller (3) through a tensioning belt (6-6).
5. The construction waste fine crushing and screening device as claimed in claim 4, wherein: the movable grinding roller (3) comprises a movable roller (3-1), a roller shaft (3-2), a driven belt wheel (3-3), a shaft seat plate (3-4), a sliding column (3-5), an L-shaped seat plate (3-6), a pressure spring (3-7), an adjusting ring (3-8) and a vertical connecting rod (3-9); the movable roller (3-1) is fixedly connected to the roller shaft (3-2), and the movable roller (3-1) is rotatably connected to the inner side of the crushing box (1); the front end and the rear end of the roll shaft (3-2) are respectively connected in two groove-shaped slideways (1-3) in a sliding fit manner, the front end of the roll shaft (3-2) is fixedly connected with a driven belt wheel (3-3), the driven belt wheel (3-3) is in transmission connection with a linkage belt wheel (7-3) and a tensioning wheel body (6-1) through a tensioning belt (6-6), the rear end of the roll shaft (3-2) is rotatably connected on a shaft seat plate (3-4) through a belt seat bearing, the left end of the shaft seat plate (3-4) is fixedly connected with a sliding column (3-5), the sliding column (3-5) is in sliding fit connection with the left end of an L-shaped seat plate (3-6), the left end of the sliding column (3-5) is connected with an adjusting ring (3-8) through threads, and a pressure spring (3-7), the pressure spring (3-7) is arranged between the shaft seat plate (3-4) and the L-shaped seat plate (3-6); the right end of the L-shaped seat plate (3-6) is fixedly connected with a vertical connecting rod (3-9), and the vertical connecting rod (3-9) is fixedly connected to the rear side face of the crushing box (1).
6. The construction waste fine crushing and screening device as claimed in claim 5, wherein: the fixed grinding roller (4) comprises a fixed roller (4-1), a rotating shaft (4-2), a rotating belt wheel (4-3) and a driving chain wheel (4-4); the fixed roller (4-1) is fixedly connected to the rotating shaft (4-2), the fixed roller (4-1) is connected to the inner side of the crushing box (1) in a rotating fit mode, the fixed roller (4-1) and the movable roller (3-1) are arranged oppositely, and the front end and the rear end of the rotating shaft (4-2) are respectively connected into the two circular jacks (1-4) in a rotating mode through bearings with seats; the front end of the rotating shaft (4-2) is fixedly connected with a rotating belt wheel (4-3) and a driving chain wheel (4-4); the rotating belt wheel (4-3) is connected with a driving belt wheel (5-4) through belt transmission; the driving chain wheels (4-4) are connected with the screening belt (8) through chain transmission.
7. The construction waste fine crushing and screening device as claimed in claim 6, wherein: the screening belt (8) comprises a mesh screening belt (8-1), a conveying roller (8-2), a rotating shaft (8-3), a driven chain wheel (8-4), a driving bevel gear (8-5) and a side plate (8-6); the two side plates (8-6) are respectively and fixedly connected to the left end and the right end of the box body (2-1); the two side plates (8-6) are respectively connected with a rotating shaft (8-3) in a rotating fit manner, the middle ends of the two rotating shafts (8-3) are respectively fixedly connected with a conveying roller (8-2), the two conveying rollers (8-2) are in transmission connection through a mesh screen material belt (8-1), and the mesh screen material belt (8-1) is connected with the inner sides of the belt penetrating groove (2-4) and the box body (2-1) in a sliding fit manner; a driving bevel gear (8-5) is fixedly connected to a rotating shaft (8-3) positioned on the left side of the box body (2-1), and the driving bevel gear (8-5) is meshed with the fine material output belt (9); a driven chain wheel (8-4) is fixedly connected to a rotating shaft (8-3) positioned on the right side of the box body (2-1), and the driven chain wheel (8-4) is connected with a driving chain wheel (4-4) through chain transmission; the vertical plate of the L-shaped material pushing plate (10-3) is connected to the mesh-shaped material screening belt (8-1) in a sliding fit manner.
8. The construction waste fine crushing and screening device as claimed in claim 7, wherein: the top surface and the bottom surface of the mesh-shaped screening belt (8-1) are respectively attached to the top surface and the bottom surface of the belt penetrating groove (2-4).
9. The construction waste fine crushing and screening device as claimed in claim 7, wherein: the fine material output belt (9) comprises a material conveying belt (9-1), a material conveying roller (9-2), a roller shaft (9-3), a side frame plate (9-4) and a driven bevel gear (9-5); the two side frame plates (9-4) are respectively fixedly connected to the front end and the rear end of the box body (2-1), the two side frame plates (9-4) are respectively connected with a roller shaft (9-3) in a rotating fit mode, the two roller shafts (9-3) are respectively fixedly connected with a material conveying roller (9-2), the two material conveying rollers (9-2) are in transmission connection through a material conveying belt (9-1), and the material conveying belt (9-1) is arranged on the inner side of the mesh screen belt (8-1); the material conveying belt (9-1) is connected in the two fine material outlets (2-3) of the box body (2-1) in a sliding fit manner; the left end of the roller shaft (9-3) positioned at the front end of the box body (2-1) is fixedly connected with a driven bevel gear (9-5), and the driven bevel gear (9-5) is in meshed connection with a driving bevel gear (8-5).
10. The construction waste fine crushing and screening device as claimed in claim 9, wherein: the distance between the material conveying belt (9-1) and the top surface of the fine material outlet (2-3) is not less than 10 cm.
CN201810979471.XA 2018-08-23 2018-08-23 Building rubbish fine crushing and screening device Active CN109158152B (en)

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