Bituminous pavement milling material crushing and screening device

Abstract

The utility model provides an asphalt pavement milling material crushing and screening device which comprises a base, a processing box and a trapezoidal discharge chute are respectively arranged on two sides of the top of the base, a feed hopper is arranged on the top of the processing box, and a crushing mechanism is arranged on the top in the processing box. A first sieve plate, a second sieve plate and a third sieve plate are sequentially arranged in the processing box and located below the crushing mechanism, a crushing shaft is arranged in the processing box and located between the second sieve plate and the third sieve plate, and the end of the crushing shaft is connected with a driving motor on the outer side of the processing box; and a vibration motor matched with the first sieve plate and the second sieve plate is fixed on the processing box. The utility model has the following beneficial effects: through the design of the unloading mechanism, the automatic unloading work of crushed materials in the inclined guide chute can be realized, and the automatic unloading and conveying work can be realized only by matching a conveying belt in the trapezoidal unloading chute.

Description

TECHNICAL FIELD

[0001] The utility model relates to an asphalt pavement milling material crushing and screening device and belongs to the field of building material screening equipment. BACKGROUND

[0002] At present, there are two ways for high-grade asphalt pavement maintenance technology, plant mixing regeneration and in-situ regeneration. Plant mixing regeneration can be divided into plant mixing hot regeneration and plant mixing cold regeneration according to the regeneration temperature. As a new technology for asphalt pavement maintenance construction, plant mixing cold regeneration mainly mills the asphalt pavement with diseases, then transports the milled material back to the material yard, stores it after screening, and then regenerates and utilizes it according to the gradation. This technology has the advantages of fast construction speed, high efficiency, can alleviate resource pressure, is conducive to environmental protection, and can reduce maintenance cost.

[0003] In the related technology, a screening device for asphalt milling material is provided in the utility model with publication number CN213558329U, which includes a box body, a feed hopper is arranged on the top of the box body, a storage hopper is installed at the bottom of the box body, a discharge port is formed in the side wall of the storage hopper, a first sieve plate, a second sieve plate and a third sieve plate are sequentially arranged in the box body from top to bottom, the first sieve plate and the second sieve plate are both arranged obliquely, two vibration motors are installed on the outer wall of the box body to drive the first sieve plate and the second sieve plate, a discharge pipe is arranged on the outer side wall of the box body in correspondence with the vibration motors and is in communication with the ends of the first sieve plate and the second sieve plate, a crushing shaft is installed between the second sieve plate and the third sieve plate, staggered crushing blades are installed on the crushing shaft, and a motor is installed on the outer wall of the box body to drive the crushing shaft. In actual work, the asphalt milling material to be screened is fed into the box body through the feed hopper, the corresponding vibration motor is turned on for screening, the large-particle material is stored in the corresponding storage hopper through the discharge pipe under the action of the vibration motor, and the smallest-particle material is screened through the third sieve plate after crushing and then enters the storage hopper and is discharged through the discharge port.

[0004] The above related technology has the following defects. When the asphalt milling material to be screened enters the storage hopper through the first sieve plate, the second sieve plate and the third sieve plate in sequence, the material is prone to accumulate in the storage hopper, which reduces the discharging efficiency of the material and easily causes material blockage, so that the automatic and uniform discharging action cannot be realized. Utility model content

[0005] In view of the deficiencies of the prior art, the utility model aims to provide an asphalt pavement milling material crushing and screening device.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0007] The application discloses an asphalt pavement milling material crushing and screening device, which comprises a base, a processing box and a trapezoidal discharge chute are arranged on the top of the base, a feeding hopper is arranged on the top of the processing box, a crushing mechanism is arranged on the top of the processing box, a first sieve plate, a second sieve plate and a third sieve plate are sequentially arranged in the processing box below the crushing mechanism, a crushing shaft is arranged in the processing box between the second sieve plate and the third sieve plate, the end of the crushing shaft is connected with a driving motor outside the processing box, a vibrating motor matched with the first sieve plate and the second sieve plate is fixed on the processing box, an inclined guide chute is formed in the bottom of the processing box, an inlet and outlet matched with the inclined guide chute is formed in one side of the bottom of the processing box, and a discharging mechanism is arranged on the top of the base between the inlet and outlet and the trapezoidal discharge chute.

[0008] Further, the crushing mechanism comprises driving shafts and driven shafts rotatably connected on the top of the processing box, the driving shafts and the driven shafts are provided with crushing rollers, the end of the driving shaft is penetrated to the outside of the processing box and connected with the output end of a crushing motor, the crushing motor is fixed on the outside of the processing box through a motor bracket, the driving shaft and the driven shaft are respectively provided with driving gears and driven gears on the outer surfaces of one end of the processing box, and the driving gears are engaged with the driven gears.

[0009] Further, the discharging mechanism comprises a discharging motor arranged on the top of the base, a discharging turntable is connected with the top output end of the discharging motor, a plurality of storage boxes are uniformly arranged on the top circumferential direction of the discharging turntable, and the storage boxes correspond to the inclined guide chute.

[0010] Further, the discharging turntable comprises a fixed plate and a plurality of movable plates, the movable plates are hingedly connected to the side edges of the fixed plate, the fixed plate and the movable plates are combined into a disc-shaped structure, the movable plates are matched with the trapezoidal discharge chute, a placing groove is formed in the top of the movable plate, and the storage box is clamped in the placing groove.

[0011] Further, a clamping groove is formed in the inner wall of the placing groove, and the circumferential outer surface of the storage box is provided with an elastic clamping block matched with the clamping groove.

[0012] Further, a plurality of pull grooves are formed in the top side edge of the storage box.

[0013] Further, a discharge port matched with the first sieve plate and the second sieve plate is formed in the side edge of the processing box, and a collecting box matched with the discharge port is fixed on the outer surface of the processing box.

[0014] Further, the discharge port is internally provided with a switch door, and the outer surface of the processing box is fixed with a guide plate matched with the discharge port and the collecting box.

[0015] The utility model discloses beneficial effects:

[0016] Through the design of the crushing mechanism, when using, the milling material is poured into the processing box from the feeding hopper, then the crushing motor drives two crushing rollers to rotate through the driving gear and the driven gear, and the crushing rollers crush the milling material.

[0017] Through the design of the discharging mechanism, the crushed material fills the storage box corresponding to the inclined guide chute, when discharging, the discharging motor drives the discharging turntable to rotate, the fixed plate drives a plurality of movable plates to rotate when the discharging turntable rotates, and then the new movable plate is rotated to the bottom of the inclined guide chute through the inlet and outlet, and the movable plate filled with crushed material gradually rotates out of the processing box, and when the movable plate with crushed material rotates into the trapezoidal discharging chute, the movable plate with crushed material rotates and falls under the guidance of the trapezoidal discharging chute to discharge.

[0018] Through the design of the trapezoidal discharging chute, the inclined surfaces on both sides of the trapezoidal discharging chute can guide the movable plate to fall and reset when the movable plate enters and exits the trapezoidal discharging chute, so that the split setting of the discharging turntable is matched with the rotating action of the discharging turntable.

[0019] Through the design of the discharging turntable, the fixed plate and the movable plate are in the plate state when passing through the inlet and outlet and matching with the inclined guide chute, the movable plate is separated from the fixed plate when rotating to the trapezoidal discharging chute, so that the movable plate is in the vertical state, and then the material in the movable plate can be poured into the conveying belt or the material box inside the trapezoidal discharging chute for discharging treatment.

[0020] Through the design of the discharge port and the collecting box, the large particle material on the first sieve plate and the second sieve plate can be conveyed into the collecting box for collection, so that the large particle material does not affect the subsequent material filtration, and the next crushing treatment is facilitated.

[0021] Through the design of the guide plate, the large particle material passing through the discharge port can fall into the collecting box for storage. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0023] Figure 1 It is a total structure schematic view of the asphalt pavement milling material crushing and screening device of the utility model;

[0024] Figure 2 It is an internal structure schematic view of the asphalt pavement milling material crushing and screening device of the utility model;

[0025] Figure 3 It is a connecting structure schematic view of the discharging turntable and the storage box of the asphalt pavement milling material crushing and screening device of the utility model;

[0026] Figure 4 It is a discharging turntable structure schematic view of the asphalt pavement milling material crushing and screening device of the utility model;

[0027] Figure 5 It is a storage box structure schematic view of the asphalt pavement milling material crushing and screening device of the utility model.

[0028] In the figure, 1, base; 2, processing box; 3, trapezoidal discharging groove; 4, feeding hopper; 5, crushing roller; 6, crushing motor; 7, first sieve plate; 8, second sieve plate; 9, third sieve plate; 10, driving motor; 11, crushing shaft; 12, inclined surface material guide groove; 13, discharge port; 14, material guide plate; 15, collection box; 16, discharging motor; 17, discharging turntable; 18, fixed plate; 19, movable plate; 20, placing groove; 21, storage box; 22, clamping groove; 23, elastic clamping block; 24, pull groove; 25, vibration motor; 26, inlet and outlet. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-5The utility model provides a kind of asphalt pavement milling material crushing screening device technical scheme, including base 1, the top two sides of base 1 are equipped with processing box 2 and trapezoidal discharge chute 3 respectively, the top of processing box 2 is equipped with feed hopper 4, the inside top of processing box 2 is equipped with crushing mechanism, the inside of processing box 2 and below crushing mechanism are equipped with first screen plate 7, second screen plate 8 and third screen plate 9 in sequence, the inside of processing box 2 and between second screen plate 8 and third screen plate 9 are equipped with crushing shaft 11, the end of crushing shaft 11 is connected with the drive motor 10 outside processing box 2, vibration motor 25 matched with first screen plate 7 and second screen plate 8 is fixed on processing box 2, the inner bottom of processing box 2 is equipped with inclined plane guide chute 12, the bottom side of processing box 2 is equipped with import and export 26 matched with inclined plane guide chute 12, the top of base 1 and between import and export 26 and trapezoidal discharge chute 3 are equipped with discharge mechanism.

[0031] Refer to Figure 2 The crushing mechanism includes driving shaft and driven shaft rotationally connected on the top two sides in processing box 2, driving shaft and driven shaft are equipped with crushing roller 5, the end of driving shaft is penetrated to the outside of processing box 2 and connected with the output end of crushing motor 6, crushing motor 6 is fixed on the outside of processing box 2 by motor frame, driving shaft and driven shaft are respectively fixed with driving gear and driven gear on the surface of one end outside processing box 2, driving gear and driven gear are engaged;By the design of crushing mechanism, in use, milling material is poured into the inside of processing box 2 from feed hopper 4, then, crushing motor 6 drives two crushing rollers 5 to rotate by driving gear and driven gear, and crushing roller 5 crushes milling material.

[0032] Refer to Figures 2-5, the unloading mechanism includes an unloading motor 16 arranged on the top of the base 1, the top output end of the unloading motor 16 is connected with an unloading turntable 17, the top circumference of the unloading turntable 17 is uniformly provided with a plurality of storage boxes 21, and the storage boxes 21 correspond to the inclined guide chute 12; through the design of the unloading mechanism, the broken materials will fill the storage boxes 21 corresponding to the inclined guide chute 12, when it is necessary to discharge materials, at this time, the unloading motor 16 drives the unloading turntable 17 to rotate, the unloading turntable 17 rotates to drive a plurality of movable plates 19 through the fixed plate 18, and then the new movable plate 19 is rotated to the bottom of the inclined guide chute 12 through the inlet and outlet 26, and the movable plate 19 filled with the broken materials gradually rotates out of the processing box 2, when the movable plate 19 with the broken materials rotates into the trapezoidal discharge chute 3, under the guidance of the trapezoidal discharge chute 3, the movable plate 19 with the broken materials rotates and descends to discharge materials, the unloading turntable 17 includes the fixed plate 18 and the plurality of movable plates 19, the plurality of movable plates 19 are hinged to the side edges of the fixed plate 18, the fixed plate 18 and the plurality of movable plates 19 are spliced into a disc-shaped structure, the movable plate 19 cooperates with the trapezoidal discharge chute 3, the top of the movable plate 19 is provided with a placing groove 20, and the storage box 21 is clamped in the placing groove 20; through the design of the unloading turntable 17, the fixed plate 18 and the movable plate 19 are in the plate body state when passing through the inlet and outlet 26 and matching with the inclined guide chute 12, when the movable plate 19 rotates to the trapezoidal discharge chute 3, the movable plate 19 is hinged and separated from the fixed plate 18, so that the movable plate 19 is in the vertical state, and then the materials in the movable plate 19 can be poured into the conveying belt or the material conveying box inside the trapezoidal discharge chute 3 to be discharged.

[0033] Referring to Figures 4-5 The inner wall of the placing groove 20 is provided with a clamping groove 22, and the circumferential outer surface of the storage box 21 is provided with an elastic clamping block 23 matched with the clamping groove 22; through the design of the clamping groove 22 and the elastic clamping block 23, the storage box 21 and the placing groove 20 can be elastically clamped together, so as to ensure the stability of the storage box 21 when the movable plate 19 rotates.

[0034] Referring to the drawings, a plurality of pull-out grooves 24 are formed in the top side edge of the storage box 21; through the design of the pull-out groove 24, the storage box 21 can be conveniently taken out of the movable plate 19 by the worker.

[0035] Referring to the drawings, the side of the processing box 2 is provided with a discharge port 13 matched with the first sieve plate 7 and the second sieve plate 8, and the outer surface of the processing box 2 is fixed with a collecting box 15 matched with the discharge port 13; through the design of the discharge port 13 and the collecting box 15, the large-particle material on the first sieve plate 7 and the second sieve plate 8 can be transported into the collecting box 15 for collection, thereby avoiding the influence of the large-particle material on the subsequent material filtration and facilitating the crushing treatment work next time.

[0036] Referring to Figure 1 、 Figure 2 , the discharge port 13 is provided with a switch door, and the outer surface of the processing box 2 is fixed with a guide plate 14 matched with the discharge port 13 and the collecting box 15; through the design of the guide plate 14, the large-particle material passing through the discharge port 13 can be affected to fall into the collecting box 15 for storage.

[0037] In use, the milling material is poured into the processing box 2 from the feeding hopper 4, then the crushing motor 6 drives the two crushing rollers 5 to rotate through the driving gear and the driven gear, the crushing rollers 5 crush the milling material, and the crushed milling material pieces fall into the first sieve plate 7, the second sieve plate 8, and the third sieve plate 9 in turn for screening, and after the second crushing of the crushing shaft 11, the crushed material is formed, and the crushed material falls and accumulates in the inclined guide chute 12, and the lowermost crushed material fills the storage box 21 corresponding to the inclined guide chute 12, when the material needs to be discharged, at this time, the discharging motor 16 drives the discharging turntable 17 to rotate, and the discharging turntable 17 rotates to drive a plurality of movable plates 19 through the fixed plate 18, thereby rotating the new movable plate 19 through the inlet and outlet 26 to the bottom of the inclined guide chute 12, and the movable plate 19 filled with the crushed material gradually rotates out of the processing box 2, and when the movable plate 19 with the crushed material rotates into the trapezoidal discharging chute 3, under the guidance of the trapezoidal discharging chute 3, the movable plate 19 with the crushed material rotates and descends to discharge the material.

[0038] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An asphalt pavement millings crushing and screening apparatus, characterized by, The utility model provides a processing device, including base (1), the top both sides of base (1) are equipped with processing box (2) and trapezoidal discharge chute (3) respectively, the top of processing box (2) is equipped with feeding hopper (4), the inside top of processing box (2) is equipped with crushing mechanism, the inside processing box (2) and be located crushing mechanism below are equipped with first sieve plate (7), second sieve plate (8) and third sieve plate (9) in proper order, the inside processing box (2) and be located between second sieve plate (8) and third sieve plate (9) are equipped with crushing axle (11), the end of crushing axle (11) is connected with the drive motor (10) outside processing box (2), the vibration motor (25) of being fixed with first sieve plate (7) and second sieve plate (8) cooperation is set up on processing box (2), the inside bottom of processing box (2) is opened with inclined plane guide chute (12), the bottom one side of processing box (2) is opened with import and export (26) and is matched with inclined plane guide chute (12), the top of base (1) and be located between import and export (26) and trapezoidal discharge chute (3) are equipped with discharge mechanism.

2. The asphalt pavement milling material crushing and screening device according to claim 1, characterized in that, The crushing mechanism includes driving shaft and driven shaft rotatably connected to the top of the processing box (2) on both sides, the driving shaft and the driven shaft are both provided with crushing rollers (5), the end of the driving shaft penetrates to the outside of the processing box (2) and is connected with the output end of the crushing motor (6), the crushing motor (6) is fixed on the outside of the processing box (2) through the motor frame, the driving shaft and the driven shaft are respectively fixed with driving gear and driven gear on the outer surface of one end outside the processing box (2), the driving gear is engaged with the driven gear.

3. The asphalt pavement millings crushing and screening device of claim 2, wherein, The discharge mechanism includes a discharge motor (16) arranged on the top of the base (1), the top output end of the discharge motor (16) is connected with a discharge turntable (17), the top circumference of the discharge turntable (17) is uniformly provided with a plurality of storage boxes (21), the storage boxes (21) correspond to the inclined plane guide chute (12).

4. The asphalt pavement millings crushing and screening device of claim 3, wherein, The discharge turntable (17) includes a fixed plate (18) and a plurality of movable plates (19), the movable plates (19) are hinged to the side edges of the fixed plate (18), the fixed plate (18) and the movable plates (19) are combined into a disc-shaped structure, the movable plates (19) cooperate with the trapezoidal discharge chute (3), the top of the movable plates (19) is provided with a placing groove (20), and the storage boxes (21) are clamped in the placing grooves (20).

5. The asphalt pavement millings crushing and screening device of claim 4, wherein, The inner wall of the placing groove (20) is provided with a clamping groove (22), and the circumferential outer surface of the storage box (21) is provided with an elastic clamping block (23) matched with the clamping groove (22).

6. The asphalt pavement millings crushing and screening device of claim 5, wherein, A plurality of pull grooves (24) are formed in the top side edges of the storage boxes (21).

7. The asphalt pavement millings crushing and screening device of claim 6, wherein, The side edges of the processing box (2) are provided with discharge ports (13) matched with the first sieve plate (7) and the second sieve plate (8), and the outer surface of the processing box (2) is fixed with a collection box (15) matched with the discharge ports (13).

8. The asphalt pavement millings crushing and screening device of claim 7, wherein, The discharge port (13) is provided with a switch door, and the outer surface of the processing box (2) is fixed with a guide plate (14) matched with the discharge port (13) and the collecting box (15).

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