CN111841740A - Preparation process of asphalt concrete - Google Patents
Preparation process of asphalt concrete Download PDFInfo
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- CN111841740A CN111841740A CN202010737770.XA CN202010737770A CN111841740A CN 111841740 A CN111841740 A CN 111841740A CN 202010737770 A CN202010737770 A CN 202010737770A CN 111841740 A CN111841740 A CN 111841740A
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- crushing
- asphalt concrete
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use 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
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use 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
- C04B20/02—Treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use 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
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating 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
- B02C2023/165—Screen denying egress of oversize material
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention provides an asphalt concrete preparation process, which comprises a transfer mechanism, a crushing mechanism and a screening mechanism, wherein the screening mechanism is arranged on the transfer mechanism and is positioned right above the transfer mechanism; the invention solves the problems that the prior pretreatment of the waste asphalt concrete is realized by recycling through grinding and screening, the crushing quality of the waste asphalt concrete is not high, most of the waste asphalt concrete can not meet the requirement of producing recycled concrete again, the crushed concrete can not be screened, qualified products and unqualified products can not be screened, secondary crushing of the selected unqualified products is very troublesome, the working time is delayed, and the crushing working efficiency is further influenced.
Description
Technical Field
The invention relates to the technical field of asphalt concrete preparation, in particular to an asphalt concrete preparation process.
Background
The asphalt concrete is commonly called as asphalt concrete, mineral aggregate with certain gradation composition, broken stone or crushed gravel, stone chips or sand, mineral powder and the like are manually selected and mixed with a certain proportion of road asphalt material under strictly controlled conditions to form a mixture;
along with the economic development of China, the problems of rapid increase of traffic volume, large-scale vehicles, serious overload and the like cause serious damage to asphalt pavements, and the damaged pavements need to be repaired;
the waste asphalt concrete is recycled by a grinding and screening method at present, the crushing quality of the waste asphalt concrete is not high in the prior art, most of the waste asphalt concrete cannot meet the requirement for manufacturing recycled concrete again, the crushed concrete cannot be screened, qualified products and unqualified products cannot be screened, secondary crushing for selecting unqualified products is very troublesome, the working time is delayed, and the crushing working efficiency is further influenced;
therefore, in order to improve the recycling efficiency of the waste asphalt concrete, the waste asphalt concrete has good economic and environmental benefits in recycling; the invention provides a preparation process of asphalt concrete.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the preparation process of the asphalt concrete comprises the following specific steps of:
s1, rolling and crushing: the lumpy asphalt concrete is extruded and crushed by a crushing mechanism to obtain the crushed granular asphalt concrete meeting the use requirement;
s2, filtering and screening: filtering and screening the crushed granular asphalt concrete which is crushed and dropped in the S1 through a screening mechanism, collecting the asphalt concrete which is crushed to meet the use requirement, and newly crushing unqualified large blocky asphalt concrete;
s3, transposition and full-receiving: collecting the asphalt concrete which is sieved and falls off in the step S2 through a transfer mechanism;
s4, transferring and conveying: the collected full-load asphalt concrete is transported to a subsequent link for processing by manually pushing the emptying unit;
the asphalt concrete crushing and recycling treatment in the steps of the asphalt concrete preparation and processing technology S1-S4 needs to be completed by the cooperation of a transfer mechanism, a crushing mechanism and a screening and leaking mechanism, wherein:
the screening mechanism is arranged on the transfer mechanism, the screening mechanism is positioned right above the transfer mechanism, the crushing mechanism is arranged on the screening mechanism, and the crushing mechanism is positioned right above the screening mechanism;
the transfer mechanism comprises a bottom plate support, a rotary sliding seat, a transposition support, a material placing unit, a pulling connecting rod, a ratchet gear, a ratchet claw, a pushing cylinder and a bolt cylinder; the bottom plate support is provided with a rotary sliding seat, the rotary sliding seat is provided with a transposition support through a bearing seat, the transposition support is uniformly provided with material placing units, the pulling connecting rod is arranged at the bottom shaft end of the transposition support in a movable connection mode, a ratchet gear is arranged right above the pulling connecting rod and arranged on the transposition support, the ratchet jaws are arranged on the pulling connecting rod in a hinged mode, the ratchet jaws and the ratchet gear are meshed with each other and rotationally clamped, the pushing cylinder is arranged on the bottom plate support through a cylinder seat, the output shaft of the pushing cylinder is connected with the pulling connecting rod through a floating joint, the bolt cylinder is arranged on the rotary sliding seat through a cylinder seat, and the bolt cylinder is connected with the ratchet gear in a bolt mode; compress tightly the ratchet jack catch in ratchet gear's notch department all the time through the card needle spring, rethread pushes away to put the cylinder pulling to dial drags the connecting rod and makes the synchronous pulling transposition support of ratchet jack catch and ratchet gear ninety degrees rotations in step, rethread bolt cylinder bolt gets into ratchet gear, pushes through pushing away to put the cylinder at last and dials drags the connecting rod and make the ratchet jack catch reset to ratchet gear's notch department and carry out the joint.
The discharging unit comprises a frame, wheels, a rotating bracket, a discharging frame, a crank connecting rod, a material baffle plate and a grip; the bottom end face of the frame is uniformly provided with wheels through bearings, the wheels are in rolling butt joint with the bottom plate support, the rotating support is arranged on the frame, the rotating support is provided with a discharging frame in a movable hinging mode, the outer wall of the discharging frame is provided with a material baffle plate in a movable connecting mode, the crank connecting rods are symmetrically arranged on the rotating support in a movable connecting mode, the top shaft ends of the crank connecting rods are connected with the material baffle plate through movable rotating shafts, and the handles are arranged on the crank connecting rods; the crank connecting rod is pulled through the handle to rotate and rise around the rotating support, the striker plate is linked through the crank connecting rod to rise synchronously, and the discharging frame is pulled to turn around the rotating support through the rising of the striker plate.
The crushing mechanism comprises a blanking frame, a crushing main roller, a crushing auxiliary roller, a main gear, an auxiliary gear and a stepping motor; the blanking frame is arranged on the screening mechanism, a crushing frame is arranged right above the blanking frame, the crushing frame and the blanking frame are designed in a cavity structure, a crushing main roller and a crushing auxiliary roller are respectively arranged in the crushing frame through bearings, a main gear and an auxiliary gear are respectively arranged on the outer rings of shaft heads at one ends of the crushing main roller and the crushing auxiliary roller through bearings, the main gear and the auxiliary gear are meshed and rotatably connected with each other, the stepping motor is arranged on the outer wall of the crushing frame through a motor base, and an output shaft of the stepping motor is connected with the main gear through a flange; the main gear is driven by the stepping motor to be meshed with the pinion to rotate, the main crushing roller and the auxiliary crushing roller are synchronously crushed and rolled, and granular asphalt concrete is discharged through the blanking frame.
The screening mechanism comprises a parallel bracket, a sliding plate, a transverse cylinder, a screening frame, a vertical cylinder, a material guide plate, a material sliding plate, a supporting plate and an execution cylinder; the parallel bracket is arranged on the transfer mechanism, a sliding plate is arranged on the parallel bracket in a sliding fit manner, the transverse cylinder is arranged on the parallel bracket through a cylinder seat, the output shaft of the transverse cylinder is connected with the sliding plate through a floating joint, the sieving frame is arranged on the sliding plate in a sliding fit mode, the vertical cylinder is arranged on the sliding plate through a cylinder seat, the output shaft of the vertical cylinder is connected with the sieving frame through a floating joint, a material guide plate is arranged right below the sieving frame, the material guide plates are arranged on the parallel brackets, the material sliding plates are provided with the supporting plates in a sliding fit manner, the execution cylinder is arranged on the outer wall of the sliding plate through a cylinder seat, and an output shaft of the execution cylinder is connected with the supporting connection plate through a floating joint; promote the reciprocal translation of slide plate through horizontal cylinder, promote the reciprocal lift of frame that sieves through perpendicular cylinder, the particle form asphalt concrete that will accord with operation requirement through the stock guide outwards discharges, pushes away through the actuating cylinder and puts the support and connect the board and hold in the palm the great asphalt concrete of cubic granule and connect, and the rethread slide plate is discharged.
Preferably; the ratchet gear on evenly be provided with the bell mouth, will ratchet gear on evenly be provided with the bell mouth, the ratchet gear of being convenient for is fixed in the ninety degree back of gyration, gets into ratchet gear through bolt cylinder bolt, has played the fixed effect of direction of transposition support in the direction of rotation, prevents that the transposition support from turning round the not hard up deviation of ninety degree location angle after.
Preferably; broken briquetting evenly is provided with in the outer lane of broken main roller bearing and broken vice roller bearing, will broken main roller bearing and broken vice roller bearing's outer lane evenly is provided with broken briquetting, is convenient for roll the breakage to the old and useless asphalt concrete of retrieving, makes it become granule chunky, increases pressure and crushing dynamics through broken briquetting, improves crushing efficiency, makes the broken particle form asphalt concrete that reaches the operation requirement of asphalt concrete breakage.
Preferably; the sieve frame of crossing on evenly be provided with and leak the sieve mesh, will the sieve frame of crossing on evenly be provided with and leak the sieve mesh, be convenient for distinguish the granular asphalt concrete who accords with operation requirement, sieve broken qualified asphalt concrete and unqualified asphalt concrete, the asphalt concrete who can not satisfy the preparation recycled concrete requirement with broken quality is broken again, has improved the efficiency that asphalt concrete recycled.
The invention has the beneficial effects that:
the asphalt concrete is conveyed alternately by ninety degrees in a rotating way through the cyclic reciprocation of the transfer mechanism, the ratchet claw is always pressed at the notch of the ratchet gear through the needle clamping spring, the rotating rack is synchronously pulled to rotate by ninety degrees with the ratchet gear through the pushing cylinder pulling connecting rod, the ratchet claw enters the ratchet gear through the bolt of the bolt cylinder, and finally the rotating rack is reset to the notch of the ratchet gear for clamping through the pushing cylinder pushing pulling connecting rod, so that the position of the rotating rack is conveniently controlled to be fixed after being adjusted, the precision of the rotation stop position is ensured, and the looseness during rotation is eliminated.
The screening device carries out horizontal movement lifting type filtering screening through the screening mechanism, crushed granular asphalt concrete is guided to fall into the screening frame for filtering screening, the screening frame is convenient for filtering the quality of the asphalt concrete, the crushed qualified asphalt concrete and the crushed unqualified asphalt concrete are screened, the crushed asphalt concrete which is not high in crushing quality and cannot meet the requirement of manufacturing recycled concrete is collected and crushed again, and the recycling efficiency of the asphalt concrete is improved.
The invention facilitates manual transfer and conveying of asphalt concrete through the feeding units, realizes automatic overturning of the feeding frame by utilizing the mutual connection relationship among the rods, and facilitates collection and feeding of asphalt concrete by utilizing the automatic opening and closing function of the striker plate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic flow chart of the process for preparing asphalt concrete according to the present invention;
FIG. 2 is a perspective view of the present invention in a primary viewing position;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a perspective view of the present invention in a rear-view position;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 6 is a partial perspective view of the present invention in a left viewing position;
FIG. 7 is an enlarged view of a portion of the invention at C of FIG. 6;
FIG. 8 is a partial perspective view of the right viewing position of the present invention; (ii) a
FIG. 9 is an enlarged fragmentary view taken at D of FIG. 8 in accordance with the present invention;
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 9, a process for preparing asphalt concrete, specifically, a process for preparing and processing asphalt concrete, comprises the following steps:
s1, rolling and crushing: the lumpy asphalt concrete is extruded and crushed by the crushing mechanism 2, and crushed granular asphalt concrete meeting the use requirement is obtained;
s2, filtering and screening: filtering and screening the crushed granular asphalt concrete which is crushed and dropped in the S1 through a screening and leaking mechanism 3, collecting the asphalt concrete which is crushed to meet the use requirement, and newly crushing unqualified large blocky asphalt concrete;
s3, transposition and full-receiving: collecting the asphalt concrete which is sieved and falls off in the S2 through a transfer mechanism 1;
s4, transferring and conveying: the collected full-load asphalt concrete is transported to a subsequent link for processing by manually pushing the emptying unit 13;
the asphalt concrete crushing and recycling treatment in the steps of the asphalt concrete preparation and processing technology from S1 to S4 needs to be completed by the cooperation of the transfer mechanism 1, the crushing mechanism 2 and the screening and leaking mechanism 3, wherein:
the screening and leaking mechanism 3 is arranged on the transferring mechanism 1, the screening and leaking mechanism 3 is positioned right above the transferring mechanism 1, the crushing mechanism 2 is arranged on the screening and leaking mechanism 3, and the crushing mechanism 2 is positioned right above the screening and leaking mechanism 3;
the transfer mechanism 1 comprises a bottom plate bracket 10, a rotary slide seat 11, an indexing bracket 12, a discharging unit 13, a pulling connecting rod 14, a ratchet gear 15, a ratchet claw 16, a pushing cylinder 17 and a bolt cylinder 18; the bottom plate support 10 is provided with a rotary slide seat 11, the rotary slide seat 11 is provided with an indexing support 12 through a bearing seat, the indexing support 12 is uniformly provided with a material placing unit 13, the pulling connecting rod 14 is arranged on the bottom shaft end of the indexing support 12 through a movable connection mode, a ratchet gear 15 is arranged right above the pulling connecting rod 14, the ratchet gear 15 is arranged on the indexing support 12, the ratchet gear 15 is uniformly provided with tapered holes, so that the ratchet gear 15 can conveniently enter the ratchet gear 15 through a bolt cylinder 18 to realize fixation after rotating ninety degrees, the guide fixing effect of the indexing support 12 in the rotating direction is achieved, and the loosening deviation of the ninety-degree positioning angle of the indexing support 12 after rotating is prevented; the ratchet wheel jack catch 16 is installed on the pulling connecting rod 14 in a hinged mode, the ratchet wheel jack catch 16 is meshed with the ratchet wheel gear 15 to be rotationally clamped, the pushing cylinder 17 is installed on the bottom plate support 10 through a cylinder seat, an output shaft of the pushing cylinder 17 is connected with the pulling connecting rod 14 through a floating joint, the bolt cylinder 18 is installed on the rotary sliding seat 11 through a cylinder seat, and the bolt cylinder 18 is connected with the ratchet wheel gear 15 in a bolt mode; the ratchet claw 16 is always pressed at the notch of the ratchet gear 15 through the needle clamping spring, the pushing cylinder 17 pulls the pulling connecting rod 14 to enable the ratchet claw 16 to synchronously pull the indexing support 12 and the ratchet gear 15 to synchronously rotate for ninety degrees, the bolt enters the ratchet gear 15 through the bolt cylinder 18, and finally the pushing cylinder 17 pushes the pulling connecting rod 14 to enable the ratchet claw 16 to reset to the notch of the ratchet gear 15 for clamping.
The emptying unit 13 comprises a frame 131, wheels 132, a rotating bracket 133, an emptying frame 134, a crank connecting rod 135, a striker plate 136 and a handle 137; the bottom end face of the frame 131 is uniformly provided with wheels 132 through bearings, the wheels 132 are in rolling butt joint with the bottom plate support 10, the rotating support 133 is installed on the frame 131, the rotating support 133 is provided with a material discharging frame 134 in a movable hinged mode, the outer wall of the material discharging frame 134 is provided with a material baffle 136 in a movable connecting mode, the crank connecting rods 135 are symmetrically installed on the rotating support 133 in a movable connecting mode, the top shaft ends of the crank connecting rods 135 are connected with the material baffle 136 through movable rotating shafts, and the handles 137 are installed on the crank connecting rods 135; the crank connecting rod 135 is pulled to rotate and rise around the rotating bracket 133 through the handle 137, the striker plate 136 is linked to rise synchronously through the crank connecting rod 135, and the blanking frame 134 is pulled to turn around the rotating bracket 133 through the rising of the striker plate 136.
The crushing mechanism 2 comprises a blanking frame 20, a crushing frame 21, a crushing main roller 22, a crushing auxiliary roller 23, a main gear 24, an auxiliary gear 25 and a stepping motor 26; the blanking frame 20 is arranged on the screening mechanism 3, the crushing frame 21 is arranged right above the blanking frame 20, the crushing frame 21 and the blanking frame 20 are both designed in a cavity structure, the crushing main roller 22 and the crushing auxiliary roller 23 are respectively arranged in the crushing frame 21 through bearings, crushing press blocks are uniformly arranged on the outer rings of the crushing main roller 22 and the crushing auxiliary roller 23, the crushing press blocks are uniformly arranged on the outer rings of the crushing main roller 22 and the crushing auxiliary roller 23, so that the recycled waste asphalt concrete can be conveniently rolled and crushed to be changed into small particles, the pressure and crushing strength are increased through the crushing press blocks, the crushing efficiency is improved, and the asphalt concrete is crushed to obtain crushed granular asphalt concrete meeting the use requirement; the outer rings of one end shaft heads of the crushing main rolling shafts 22 and the crushing auxiliary rolling shafts 23 are respectively provided with a main gear 24 and an auxiliary gear 25 through bearings, the main gear 24 and the auxiliary gear 25 are meshed with each other and rotatably connected, the stepping motor 26 is arranged on the outer wall of the crushing frame 21 through a motor base, and an output shaft of the stepping motor 26 is connected with the main gear 24 through a flange; the main gear 24 is driven by the stepping motor 26 to engage with the secondary gear 25 for rotation, and the crushing main roller 22 and the crushing secondary roller 23 are synchronously crushed and rolled, and the granular asphalt concrete is discharged through the blanking frame 20.
The screening and leaking mechanism 3 comprises a parallel bracket 30, a sliding plate 31, a transverse cylinder 32, a screening frame 33, a vertical cylinder 34, a material guide plate 35, a material sliding plate 36, a supporting and connecting plate 37 and an execution cylinder 38; the parallel support 30 is arranged on the transfer mechanism 1, the sliding plate 31 is arranged on the parallel support 30 in a sliding fit mode, the transverse air cylinder 32 is arranged on the parallel support 30 through an air cylinder seat, an output shaft of the transverse air cylinder 32 is connected with the sliding plate 31 through a floating joint, the screen frame 33 is arranged on the sliding plate 31 in a sliding fit mode, screen holes are uniformly formed in the screen frame 33, the screen holes are uniformly formed in the screen frame 33, crushed granular asphalt concrete meeting the use requirement can be distinguished conveniently, the crushed qualified asphalt concrete and the crushed unqualified asphalt concrete are screened, the asphalt concrete which is not high in crushing quality and cannot meet the requirement of manufacturing recycled concrete is crushed again, and the recycling efficiency of the asphalt concrete is improved; the vertical cylinder 34 is mounted on the sliding plate 31 through a cylinder seat, an output shaft of the vertical cylinder 34 is connected with the screen frame 33 through a floating joint, a material guide plate 35 is arranged right below the screen frame 33, the material guide plate 35 is mounted on the parallel support 30, the sliding plate 36 is mounted on the parallel support 30, a supporting plate 37 is mounted on the sliding plate 36 in a sliding fit manner, the execution cylinder 38 is mounted on the outer wall of the sliding plate 36 through a cylinder seat, and an output shaft of the execution cylinder 38 is connected with the supporting plate 37 through a floating joint; the transverse cylinder 32 pushes the sliding plate 31 to move back and forth, the vertical cylinder 34 pushes the screen frame 33 to lift up and down back and forth, the guide plate 35 discharges the granular asphalt concrete meeting the use requirement outwards, the execution cylinder 38 pushes the support plate 37 to support the asphalt concrete with larger granular blocks, and the granular asphalt concrete is discharged through the sliding plate 36.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The preparation process of the asphalt concrete is characterized by comprising the following steps: the specific preparation and processing technology of the asphalt concrete is as follows:
s1, rolling and crushing: the lumpy asphalt concrete is extruded and crushed by the crushing mechanism (2) to obtain the crushed granular asphalt concrete meeting the use requirement;
s2, filtering and screening: filtering and screening the crushed granular asphalt concrete which is crushed and dropped in the S1 through a screening mechanism (3), collecting the asphalt concrete which is crushed to meet the use requirement, and newly crushing unqualified large block asphalt concrete;
s3, transposition and full-receiving: collecting the asphalt concrete which is sieved and falls off in the S2 through a transfer mechanism (1);
s4, transferring and conveying: the collected full-load asphalt concrete is transported to a subsequent link for processing by manually pushing the emptying unit (13);
the asphalt concrete crushing and recycling treatment in the steps of the asphalt concrete preparation and processing technology S1-S4 needs to be completed by the cooperation of the transfer mechanism (1), the crushing mechanism (2) and the screening and leaking mechanism (3), wherein:
the screening and leaking mechanism (3) is installed on the transferring mechanism (1), the screening and leaking mechanism (3) is located right above the transferring mechanism (1), the crushing mechanism (2) is installed on the screening and leaking mechanism (3), and the crushing mechanism (2) is located right above the screening and leaking mechanism (3);
the transfer mechanism (1) comprises a bottom plate support (10), a rotary sliding seat (11), a transposition support (12), a discharging unit (13), a pulling connecting rod (14), a ratchet gear (15), a ratchet claw (16), a pushing cylinder (17) and a bolt cylinder (18); the bottom plate support (10) is provided with a rotary sliding seat (11), the rotary sliding seat (11) is provided with a transposition support (12) through a bearing seat, the transposition support (12) is uniformly provided with material placing units (13), a pulling connecting rod (14) is arranged at the bottom shaft end of the transposition support (12) in a movable connection mode, a ratchet gear (15) is arranged right above the pulling connecting rod (14), the ratchet gear (15) is arranged on the transposition support (12), a ratchet claw (16) is arranged on the pulling connecting rod (14) in a hinged mode, the ratchet claw (16) and the ratchet gear (15) are mutually meshed and rotatably clamped, a pushing cylinder (17) is arranged on the bottom plate support (10) through a cylinder seat, and the output shaft of the pushing cylinder (17) is mutually connected with the pulling connecting rod (14) through a floating joint, the bolt cylinder (18) is arranged on the rotary sliding seat (11) through a cylinder seat, and the bolt cylinder (18) is connected with the ratchet gear (15) in a bolt way;
the material placing unit (13) comprises a frame (131), wheels (132), a rotating bracket (133), a material placing frame (134), a crank connecting rod (135), a material baffle (136) and a handle (137); wheel (132) are evenly installed through the bearing to the bottom terminal surface of frame (131), wheel (132) and bottom plate support (10) roll butt, rotation support (133) install on frame (131), rotation support (133) on install blowing frame (134) through the activity articulated mode, install striker plate (136) through the swing joint mode on the outer wall of blowing frame (134), crank connecting rod (135) through the installation of swing joint mode symmetry on rotating support (133), the top axle head of crank connecting rod (135) is through activity pivot and striker plate (136) interconnect, handle (137) install on crank connecting rod (135).
2. The process for preparing asphalt concrete according to claim 1, wherein: the crushing mechanism (2) comprises a blanking frame (20), a crushing frame (21), a crushing main roller (22), a crushing auxiliary roller (23), a main gear (24), an auxiliary gear (25) and a stepping motor (26); blanking frame (20) install on sieve hourglass mechanism (3), be provided with crushing frame (21) directly over blanking frame (20), crushing frame (21) and blanking frame (20) be cavity structural design, crushing main roller bearing (22) and broken auxiliary roller bearing (23) are installed respectively through the bearing to the inside of crushing frame (21), main gear (24) and pinion (25) are installed respectively through the bearing to the one end spindle nose outer lane of broken main roller bearing (22) and broken auxiliary roller bearing (23), main gear (24) and pinion (25) intermeshing rotate and be connected, step motor (26) install on the outer wall of crushing frame (21) through the motor cabinet, the output shaft of step motor (26) passes through flange and main gear (24) interconnect.
3. The process for preparing asphalt concrete according to claim 1, wherein: the screening and leaking mechanism (3) comprises parallel supports (30), a sliding plate (31), a transverse cylinder (32), a screening frame (33), a vertical cylinder (34), a material guide plate (35), a material sliding plate (36), a supporting plate (37) and an execution cylinder (38); the parallel support (30) is arranged on the transfer mechanism (1), a sliding plate (31) is arranged on the parallel support (30) in a sliding fit mode, the transverse cylinder (32) is arranged on the parallel support (30) through a cylinder seat, an output shaft of the transverse cylinder (32) is connected with the sliding plate (31) through a floating joint, the screen frame (33) is arranged on the sliding plate (31) in a sliding fit mode, the vertical cylinder (34) is arranged on the sliding plate (31) through a cylinder seat, an output shaft of the vertical cylinder (34) is connected with the screen frame (33) through a floating joint, a material guide plate (35) is arranged right below the screen frame (33), the material guide plate (35) is arranged on the parallel support (30), and the material sliding plate (36) is arranged on the parallel support (30), the sliding plate (36) is provided with a supporting plate (37) in a sliding fit mode, the execution cylinder (38) is arranged on the outer wall of the sliding plate (36) through a cylinder seat, and an output shaft of the execution cylinder (38) is connected with the supporting plate (37) through a floating joint.
4. The process for preparing asphalt concrete according to claim 1, wherein: the ratchet wheel gear (15) is uniformly provided with tapered holes.
5. The process for preparing asphalt concrete according to claim 2, wherein: crushing blocks are uniformly arranged on the outer rings of the crushing main roller (22) and the crushing auxiliary roller (23).
6. The process for preparing asphalt concrete according to claim 3, wherein: the screen frame (33) is evenly provided with screen leaking holes.
Priority Applications (1)
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| CN113289754A (en) * | 2021-05-28 | 2021-08-24 | 武汉建工集团股份有限公司 | Double-tower type waste concrete damage sorting and recycling device |
| CN115569707A (en) * | 2022-12-13 | 2023-01-06 | 喜跃发国际环保新材料股份有限公司 | Processing technology of recycled asphalt concrete |
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Effective date of registration: 20210713 Address after: 101102 1000m west of dongtianyang village committee, Majuqiao town, Tongzhou District, Beijing Applicant after: Beijing Luxin Hengtong Asphalt Concrete Co.,Ltd. Address before: Jiaozuo University, 458 Gongye Road, Shanyang District, Jiaozuo City, Henan Province Applicant before: Zhao Huinan |
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