Waste asphalt concrete recycling and crushing device

Abstract

The utility model relates to the field of waste asphalt concrete recycling, and discloses a waste asphalt concrete recycling and crushing device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting frame, the top of the supporting frame is provided with a crushing mechanism, and the top of the supporting frame is provided with a screening mechanism. By arranging the crushing mechanism, waste asphalt concrete is added into the collecting box, a first motor and a second motor drive a first crushing roller and a second crushing roller to rotate correspondingly, the more efficient crushing process is achieved, the rotating speed and the direction of the two crushing rollers can be independently adjusted through the design, and therefore distribution of crushing force is optimized. And then, the crushing efficiency is improved, and the risk of overload of a single motor is reduced. And finally, the beneficial effects of prolonging the service life of the motor and improving the working efficiency are achieved, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of waste asphalt concrete recycling, especially to a waste asphalt concrete recycling and crushing device. BACKGROUND

[0002] The recycling of waste asphalt concrete has become an important research direction. Traditional road paving materials mainly rely on fresh asphalt mixture, which not only consumes a large amount of natural resources, but also causes serious environmental burden due to discarded old asphalt concrete.

[0003] After searching, a kind of pretreatment device for degree old asphalt concrete high content utilization (authorization announcement number: CN211472038U) is disclosed in Chinese patent, the utility model relates to a kind of pretreatment device for degree old asphalt concrete high content utilization, including crushing chamber, preheating chamber and the transition pipeline between crushing chamber and preheating chamber inclinedly arranged, the height of crushing chamber is greater than the height of preheating chamber, crushing mechanism is provided in crushing chamber, heating mechanism is provided in preheating chamber, transition pipeline is equipped with ash removal mechanism.Compared with prior art, the utility model can crush and preheat separately for waste asphalt concrete, so that waste asphalt concrete is heated to appropriate temperature before mixing with new aggregate, and water content is reduced, so that the content can be increased to more than 30% finally, to meet the requirement of waste asphalt concrete high content utilization: waste asphalt concrete ash in material is discharged through ash removal mechanism, to avoid waste asphalt concrete ash in preheating chamber from melting and bonding into group due to rapid heating, causing blockage or reducing the quality of recycled mixture, with good reliability.

[0004] However, in the actual application process of the patent technology, most of the crushing devices on the market currently adopt the mode of single motor driving single crushing roller. Although this mode can realize the basic crushing function, when facing larger size or higher hardness waste asphalt concrete, the crushing efficiency is low. Due to the lack of effective screening mechanism, the particle size distribution of the crushed material is uneven, which cannot be directly applied to new road construction, and further manual screening is required, increasing the workload and cost. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a waste asphalt concrete recycling and crushing device.

[0006] To achieve the above object, the utility model provides the following technical scheme: a waste asphalt concrete recycling and crushing device, including bottom plate, the top of the bottom plate is fixedly connected with support frame, the top of the support frame is provided with crushing mechanism, the top of the support frame is provided with screening mechanism.

[0007] The crushing mechanism comprises a first motor, a second motor, a collecting box, a first crushing roller and a second crushing roller, the first motor is arranged at the front side of the collecting box, the second motor is arranged at the rear side of the collecting box, the output end of the first motor is fixedly connected with the first crushing roller, the output end of the second motor is fixedly connected with the second crushing roller, and the collecting box is arranged at the top of the supporting frame.

[0008] Preferably, the screening mechanism comprises a storage box, a positioning frame, a fixed frame, a hydraulic rod, a connecting block and a screening steel sieve, the storage box is fixed at the top of the fixed frame, the fixed frame is arranged in the storage box, the positioning frame is arranged in the fixed frame, the screening steel sieve is arranged in the positioning frame, one side of the connecting block is fixedly connected with the positioning frame through the fixed frame, and the output end of the hydraulic rod is fixedly connected with the connecting block.

[0009] Preferably, the left side of the storage box is provided with a baffle, both sides of the baffle are fixedly connected with sliding strips, and the inside of the storage box is provided with a sliding groove.

[0010] Preferably, the left side of the collecting box is provided with a through groove, and the left side of the collecting box is fixedly connected with a discharging plate.

[0011] Preferably, the top of the supporting frame is provided with a discharging groove, and the top of the bottom plate is provided with a collecting box.

[0012] Preferably, both sides of the collecting box are fixedly connected with fixed plates, and the first motor and the second motor are respectively arranged at the top of the fixed plates.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the waste asphalt concrete is added into the collecting box through the crushing mechanism, the first motor and the second motor drive the first crushing roller and the second crushing roller to rotate respectively, a more efficient crushing process is realized, the design enables the two crushing rollers to independently adjust the rotating speed and direction, thereby optimizing the distribution of the crushing force, the crushing efficiency is improved, the risk of single motor overload is reduced, the service life of the motor is prolonged, the working efficiency is improved, and the maintenance cost is reduced.

[0015] 2. In the utility model, the waste asphalt concrete after crushing falls into the storage box, the waste asphalt concrete falls onto the screening steel sieve, the connecting block is driven to move by the output of the hydraulic rod, the positioning frame is driven to move in the fixed frame by the movement of the connecting block, the waste asphalt concrete can be screened, the larger waste asphalt concrete remains on the screening steel sieve, and the waste asphalt concrete after crushing falls into the collecting box. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the broken device for recycling waste asphalt concrete in the utility model;

[0017] Figure 2 It is the structure schematic view of the broken mechanism in the utility model;

[0018] Figure 3 It is the structure schematic view of the screening mechanism in the utility model;

[0019] Figure 4 It is the structure schematic view of A place in the utility model.

[0020] Legend:

[0021] 1, bottom plate, 2, support frame, 3, baffle, 4, slide bar, 5, broken mechanism, 501, first motor, 502, second motor, 503, collection box, 504, first broken roller, 505, second broken roller, 6, screening mechanism, 601, storage box, 602, positioning frame, 603, fixed frame, 604, hydraulic rod, 605, connecting block, 606, screening steel sieve, 7, chute, 8, through slot, 9, blanking plate, 10, blanking groove, 11, material collecting box, 12, fixed plate. DETAILED DESCRIPTION

[0022] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Referring to Figures 1-4 The utility model provides an embodiment: a kind of waste asphalt concrete recycling broken device, including bottom plate 1, the top of bottom plate 1 is fixedly connected with support frame 2, support frame 2 top is provided with broken mechanism 5, support frame 2 top is provided with screening mechanism 6;

[0024] Broken mechanism 5 includes first motor 501, second motor 502, collection box 503, first broken roller 504 and second broken roller 505, first motor 501 is arranged at the front side of collection box 503, second motor 502 is arranged at the rear side of collection box 503, the output end of first motor 501 is fixedly connected with first broken roller 504, the output end of second motor 502 is fixedly connected with second broken roller 505, collection box 503 is set on the top of support frame 2.

[0025] By the above technical scheme, by setting the crushing mechanism 5, the waste asphalt concrete is added to the collecting box 503, the first motor 501 and the second motor 502 drive the first crushing roller 504 and the second crushing roller 505 to rotate respectively, a more efficient crushing process is realized, the design enables the two crushing rollers to independently adjust the rotating speed and direction, thereby optimizing the distribution of the crushing force. Then not only improves the crushing efficiency, but also reduces the risk of single motor overload. Finally, the beneficial effects of prolonging the service life of the motor and improving the working efficiency are achieved, and the maintenance cost is reduced.

[0026] Specifically, the screening mechanism 6 includes a receiving box 601, a positioning frame 602, a fixed frame 603, a hydraulic rod 604, a connecting block 605, and a screening steel sieve 606. The receiving box 601 is fixed on the top of the fixed frame, the fixed frame 603 is arranged inside the receiving box 601, the positioning frame 602 is arranged inside the fixed frame 603, the screening steel sieve 606 is arranged inside the positioning frame 602, one side of the connecting block 605 is fixedly connected with the positioning frame 602 through the fixed frame 603, and the output end of the hydraulic rod 604 is fixedly connected with the connecting block 605.

[0027] Through the above technical scheme, by setting the screening mechanism, the crushed waste asphalt concrete falls into the inside of the receiving box 601, the waste asphalt concrete falls on the screening steel sieve 606, the connecting block 605 is driven to move by the output of the hydraulic rod 604, the positioning frame 602 is driven to move inside the fixed frame 603 by the movement of the connecting block 605, the waste asphalt concrete can be screened, the larger waste asphalt concrete will be left on the screening steel sieve 606, and the crushed waste asphalt concrete meets the falling into the inside of the receiving box 11.

[0028] Specifically, the left side of the receiving box 601 is provided with a baffle 3, both sides of the baffle 3 are fixedly connected with sliding strips 4, and the inside of the receiving box 601 is provided with a sliding groove 7. The sliding strips 4 are slidably connected with the inside of the sliding groove 7.

[0029] Through the above technical scheme, by setting the baffle 3, the sliding strips 4 and the sliding groove 7, after the waste asphalt concrete is screened, the baffle 3 is pulled to drive the sliding strips 4 to move inside the sliding groove 7, the baffle 3 can be opened, and the large waste asphalt concrete can be taken out.

[0030] Specifically, the left side of the collecting box 503 is provided with a through groove 8, and the left side of the collecting box 503 is fixedly connected with a discharging plate 9.

[0031] Through the above technical scheme, by setting the through groove 8 and the discharging plate 9, the waste asphalt concrete falls through the through groove 8 to the discharging plate 9, and then falls into the inside of the receiving box 601 from the discharging plate 9.

[0032] Specifically, the top of the support frame 2 is provided with a discharging chute 10, and the top of the bottom plate 1 is provided with a material collecting box 11.

[0033] Through the above technical scheme, by setting the discharging chute 10 and the collecting box 503, the broken waste asphalt concrete falls into the inside of the material collecting box 11 through the discharging chute 10.

[0034] Specifically, the two sides of the collecting box 503 are fixedly connected with the fixed plates 12, and the first motor 501 and the second motor 502 are respectively installed on the top of the fixed plates 12.

[0035] Through the above technical scheme, by setting the fixed plates 12, the first motor 501 and the second motor 502 are respectively installed on the fixed plates 12, which can support them.

[0036] Working principle: in use, the waste asphalt concrete is added into the inside of the collecting box 503, the first motor 501 and the second motor 502 drive the first crushing roller 504 and the second crushing roller 505 to rotate respectively, realizing a more efficient crushing process, the design enables the two crushing rollers to independently adjust the rotating speed and direction, thereby optimizing the distribution of the crushing force. Then not only improves the crushing efficiency, but also reduces the risk of single motor overload. Finally, it achieves the beneficial effects of prolonging the service life of the motor and improving the working efficiency, while reducing the maintenance cost, the waste asphalt concrete falls through the through slot 8 to the discharging plate 9, and then falls to the inside of the storage box 601, the broken waste asphalt concrete falls into the inside of the storage box 601, the waste asphalt concrete falls on the screening steel sieve 606, the output of the hydraulic rod 604 drives the connecting block 605 to move, the movement of the connecting block 605 drives the positioning frame 602 to move in the inside of the fixed frame 603, which can screen the waste asphalt concrete, the larger waste asphalt concrete will be left on the screening steel sieve 606, the broken waste asphalt concrete falls into the inside of the material collecting box 11, and the broken waste asphalt concrete falls into the inside of the material collecting box 11 through the discharging chute 10.

[0037] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A waste asphalt concrete recycling and crushing device, comprising a base plate (1), characterized in that: A support frame (2) is fixedly connected to the top of the base plate (1). A crushing mechanism (5) is provided on the top of the support frame (2), and a screening mechanism (6) is provided on the top of the support frame (2). The crushing mechanism (5) includes a first motor (501), a second motor (502), a collection box (503), a first crushing roller (504), and a second crushing roller (505). The first motor (501) is located on the front side of the collection box (503), and the second motor (502) is located on the rear side of the collection box (503). The output end of the first motor (501) is fixedly connected to the first crushing roller (504), and the output end of the second motor (502) is fixedly connected to the second crushing roller (505). The collection box (504) is fixedly connected to the first crushing roller (504), and the second motor (502) is fixedly connected to the second crushing roller (505). 3) Set on the top of the support frame (2), the screening mechanism (6) includes a storage box (601), a positioning frame (602), a fixing frame (603), a hydraulic rod (604), a connecting block (605), and a screening steel screen (606). The storage box (601) is fixed on the top of the fixing frame. The fixing frame (603) is set inside the storage box (601). The positioning frame (602) is set inside the fixing frame (603). The screening steel screen (606) is set inside the positioning frame (602). One side of the connecting block (605) passes through the fixing frame (603) and is fixedly connected to the positioning frame (602). The output end of the hydraulic rod (604) is fixedly connected to the connecting block (605).

2. The waste asphalt concrete recycling and crushing device according to claim 1, characterized in that: The storage box (601) has a baffle (3) on its left side, and slide bars (4) are fixedly connected to both sides of the baffle (3). The storage box (601) has a sliding groove (7) inside, and the slide bars (4) are slidably connected to the inside of the sliding groove (7).

3. The waste asphalt concrete recycling and crushing device according to claim 1, characterized in that: The left side of the collection box (503) is provided with a through groove (8), and a feed plate (9) is fixedly connected to the left side of the collection box (503).

4. The waste asphalt concrete recycling and crushing device according to claim 1, characterized in that: The support frame (2) has a feeding trough (10) on its top, and the bottom plate (1) has a receiving box (11) on its top.

5. The waste asphalt concrete recycling and crushing device according to claim 3, characterized in that: The collection box (503) is fixedly connected to two sides by a fixing plate (12), and the first motor (501) and the second motor (502) are respectively installed on the top of the fixing plate (12).

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