Crushing device for asphalt concrete recovery

Abstract

The crushing device comprises a bottom plate, a box body is fixedly installed on the right side of the top of the bottom plate, a feeding frame is connected to the top of the left side of the box body in a penetrating mode, connecting plates are fixedly installed on the two sides of the inner wall of the box body, and crushing frames are fixedly installed on the inner sides of the connecting plates; the bottom of the crushing frame is connected with a discharging frame in a penetrating mode, a filter screen frame is arranged below the crushing frame, supporting plates are fixedly installed on the two sides of the inner wall of the box body and located below the filter screen frame, vibration rods are fixedly installed on the front sides and the rear sides of the tops of the supporting plates, and impact heads are fixedly installed at the top ends of the vibration rods. Through the matching of the structures, the concrete is vibrated and filtered, so that the broken concrete can be prevented from blocking the filter screen frame, and the recovery efficiency of the asphalt concrete can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete recycling, in particular to a crushing device for recycling asphalt concrete. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture of artificially selected mineral materials with a certain graded composition, crushed stone or crushed gravel, stone chips or sand, mineral powder, etc., and a certain proportion of road asphalt materials, mixed under strictly controlled conditions. Waste asphalt concrete can be recycled and reused. It needs to be crushed during the recycling process of asphalt concrete. The existing publication number CN218078111U discloses a crushing device for recycling and reusing asphalt concrete, which can screen out the crushed materials, and the larger materials that cannot pass through the screen plate continue to be circulated and crushed, thereby ensuring the crushing effect. The entire crushing and screening process is carried out in a closed loop, and dust will not leak; and a dust removal fan is set for dust removal to ensure environmental hygiene, but the screen plate in the crushing device is easily blocked by materials, thereby reducing the screening effect of the screen plate, thereby greatly reducing the recovery efficiency of the asphalt concrete, which has brought certain adverse effects on actual use, and therefore needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a crushing device for recycling asphalt concrete. The filtering device it is equipped with realizes vibration filtering of concrete, thereby preventing the crushed concrete from clogging the filter frame, thereby improving the recovery efficiency of asphalt concrete, bringing certain beneficial effects to actual use, and solving the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crushing device for asphalt concrete recycling, comprising a bottom plate, a box body is fixedly installed on the top right side of the bottom plate, a feed frame is connected through the top left side of the box body, a feed trough is provided on the top of the feed frame and near its right side, an electric push rod is fixedly installed on the left side of the feed frame, the other end of the electric push rod passes through the interior of the feed frame and is fixedly connected to a push plate, connecting plates are fixedly installed on both sides of the inner wall of the box body and below the feed frame, and the inner side of the connecting plate is fixedly installed A crushing frame is equipped, a motor is fixedly installed on the front side of the crushing frame, a rotating shaft is fixedly installed on the output end of the motor, the other end of the rotating shaft passes through the interior of the crushing frame and is fixedly connected to a crushing roller, and the crushing roller is rotatably connected to the rear side of the inner wall of the crushing frame through a bearing, a discharging frame is through-connected to the bottom of the crushing frame, a filter screen frame is provided below the crushing frame, support plates are fixedly installed on both sides of the inner wall of the box body and below the filter screen frame, vibration rods are fixedly installed on the front and rear sides of the top of the support plate, and an impact head is fixedly installed on the top of the vibration rod.

[0005] Preferably, a hydraulic rod is fixedly installed on the top right side of the feed frame, and the bottom end of the hydraulic rod passes through the interior of the feed frame and is fixedly connected with a cutting plate.

[0006] Preferably, sliding rods are fixedly installed on the front and rear sides of the top of the cutting plate, the top of the sliding rod passes through the feed frame and is fixedly connected to a limiting block, the outside of the sliding rod is slidably connected to a sliding sleeve and the sliding sleeve is fixedly connected to the top of the feed frame.

[0007] Preferably, a cleaning groove is provided on the front side of the box body and above the filter frame, and a cover plate is provided on the front side of the cleaning groove, and the cover plate is movably connected to the box body through a rotating member.

[0008] Preferably, a plurality of springs are fixedly mounted on the top of the support plate, and the top ends of the springs are fixedly connected to the bottom of the filter frame.

[0009] Preferably, a material discharge chute is provided at the bottom of the front side of the box body, and a material guide plate is fixedly installed at the bottom of the inner wall of the box body, and the inclination direction of the material guide plate decreases from the back to the front.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the activation of the vibration rod can drive the impact head 12 to impact the bottom of the filter frame, so that the filter frame can be vibrated, thereby realizing vibration filtering of concrete, thereby preventing the broken concrete from clogging the filter frame, and thus improving the recovery efficiency of asphalt concrete. The activation of the hydraulic rod can drive the cutting plate to rise and fall, and the cutting plate can cut larger asphalt concrete blocks, thereby facilitating the subsequent crushing roller to crush the asphalt concrete blocks, thereby improving the crushing efficiency of the asphalt concrete blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the feed frame of the utility model;

[0014] Figure 4 It is an enlarged view of point A of the present utility model.

[0015] In the figure: 1. bottom plate; 2. box body; 3. feed frame; 4. electric push rod; 5. push plate; 6. crushing frame; 7. motor; 8. crushing roller; 9. filter frame; 10. support plate; 11. vibration rod; 12. impact head; 13. hydraulic rod; 14. cutting plate; 15. sliding rod; 16. sliding sleeve; 17. cover plate; 18. spring; 19. discharge chute; 20. guide plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example 1, please refer to Figures 1 to 4 The utility model provides a technical solution: a crushing device for recycling asphalt concrete, comprising a bottom plate 1, a box body 2 is fixedly installed on the top right side of the bottom plate 1, a feed frame 3 is connected to the top of the left side of the box body 2, a feed trough is provided on the top of the feed frame 3 and near the right side thereof, an electric push rod 4 is fixedly installed on the left side of the feed frame 3, the other end of the electric push rod 4 passes through the inside of the feed frame 3 and is fixedly connected to a push plate 5, connecting plates are fixedly installed on both sides of the inner wall of the box body 2 and below the feed frame 3, and a crushing frame 6 is fixedly installed on the inner side of the connecting plate, A motor 7 is fixedly installed on the front side of the crushing frame 6, and a rotating shaft is fixedly installed on the output end of the motor 7. The other end of the rotating shaft passes through the interior of the crushing frame 6 and is fixedly connected to a crushing roller 8, and the crushing roller 8 is rotatably connected to the rear side of the inner wall of the crushing frame 6 through a bearing. A discharging frame is through-connected to the bottom of the crushing frame 6, and a filter screen frame 9 is provided below the crushing frame 6. Support plates 10 are fixedly installed on both sides of the inner wall of the box body 2 and below the filter screen frame 9. Vibration rods 11 are fixedly installed on the front and rear sides of the top of the support plate 10, and an impact head 12 is fixedly installed on the top of the vibration rod 11.

[0018] Furthermore, a hydraulic rod 13 is fixedly installed on the top right side of the feed frame 3, and the bottom end of the hydraulic rod 13 passes through the interior of the feed frame 3 and is fixedly connected to a cutting plate 14. When the hydraulic rod 13 is started, it can drive the cutting plate 14 to cut larger asphalt concrete blocks, thereby facilitating the subsequent crushing roller 8 to crush the asphalt concrete blocks.

[0019] Furthermore, sliding rods 15 are fixedly installed on the front and rear sides of the top of the cutting plate 14, and the top of the sliding rod 15 passes through the feed frame 3 and is fixedly connected to the limiting block. The outside of the sliding rod 15 is slidably connected to a sliding sleeve 16, and the sliding sleeve 16 is fixedly connected to the top of the feed frame 3. Under the sliding action of the sliding rod 15 and the sliding sleeve 16, the cutting plate 14 can be stably raised and lowered.

[0020] Furthermore, a cleaning groove is provided on the front side of the box body 2 and above the filter screen frame 9. A cover plate 17 is provided on the front side of the cleaning groove and the cover plate 17 is movably connected to the box body 2 through a rotating member. The staff can clean the material inside the filter screen frame 9 through the cleaning groove.

[0021] Example 2, please refer to Figures 1 to 4 The difference between this embodiment and embodiment 1 is that: a plurality of springs 18 are fixedly installed on the top of the support plate 10, and the top of the spring 18 is fixedly connected to the bottom of the filter screen frame 9. The spring 18 can elastically support the filter screen frame 9, thereby improving the filtering effect of the filter screen frame 9. A discharge trough 19 is opened at the front bottom of the box body 2, and a guide plate 20 is fixedly installed at the bottom of the inner wall of the box body 2. The inclination direction of the guide plate 20 decreases from the back to the front. The guide plate 20 can guide the filtered material to the discharge trough 19, so that it is convenient for the staff to collect the material.

[0022] Working principle: When the crushing device for recycling asphalt concrete is in use, the staff can pour the recycled asphalt concrete into the feed frame 3 through the feed trough, and at the same time, the staff can start the electric push rod 4, which can drive the push plate 5 to move, and the push plate 5 can push the asphalt concrete to the bottom of the cutting plate 14, and the staff can start the hydraulic rod 13, which can drive the cutting plate 14 to rise and fall, and the cutting plate 14 can cut larger asphalt concrete blocks, and the cut concrete blocks can fall into the crushing frame 6. At the same time, the staff can start the motor 7, which can drive the crushing roller 8 to rotate, and the crushing roller 8 can crush the asphalt concrete, and the crushed asphalt concrete can fall into the filter frame 9. At this time, the staff can start the vibration rod 11, and the vibration rod 11 can drive the impact head 12 to hit the bottom of the filter frame 9, so that the filter frame 9 can be vibrated, thereby realizing the vibration filtration of the concrete, thereby preventing the crushed concrete from clogging the filter frame 9, and thus improving the recovery efficiency of the asphalt concrete.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crushing device for recycling asphalt concrete, comprising a base plate (1), characterized in that: A box body (2) is fixedly mounted on the right side of the top of the bottom plate (1); a feed frame (3) is connected to the top of the left side of the box body (2); a feed trough is provided at the top of the feed frame (3) and close to the right side thereof; an electric push rod (4) is fixedly mounted on the left side of the feed frame (3); the other end of the electric push rod (4) penetrates into the interior of the feed frame (3) and is fixedly connected to a push plate (5); connecting plates are fixedly mounted on both sides of the inner wall of the box body (2) and below the feed frame (3); a crushing frame (6) is fixedly mounted on the inner side of the connecting plate; a motor (7) is fixedly mounted on the front side of the crushing frame (6); A rotating shaft is fixedly mounted on the output end of the motor (7); the other end of the rotating shaft penetrates into the interior of the crushing frame (6) and is fixedly connected to a crushing roller (8); the crushing roller (8) is rotatably connected to the rear side of the inner wall of the crushing frame (6) via a bearing; a discharging frame is through-connected to the bottom of the crushing frame (6); a filter screen frame (9) is provided below the crushing frame (6); support plates (10) are fixedly mounted on both sides of the inner wall of the box body (2) and below the filter screen frame (9); vibration rods (11) are fixedly mounted on the front and rear sides of the top of the support plate (10); and an impact head (12) is fixedly mounted on the top of the vibration rod (11).

2. A crushing device for recycling asphalt concrete according to claim 1, characterized in that: A hydraulic rod (13) is fixedly mounted on the right side of the top of the feed frame (3), and the bottom end of the hydraulic rod (13) penetrates into the interior of the feed frame (3) and is fixedly connected to a cutting plate (14).

3. A crushing device for recycling asphalt concrete according to claim 2, characterized in that: Slide rods (15) are fixedly mounted on the front and rear sides of the top of the cutting plate (14); the top end of the slide rod (15) passes through the feed frame (3) and is fixedly connected to a limit block; the outside of the slide rod (15) is slidably connected to a slide sleeve (16), and the slide sleeve (16) is fixedly connected to the top of the feed frame (3).

4. A crushing device for recycling asphalt concrete according to claim 1, characterized in that: A cleaning groove is provided on the front side of the box body (2) and above the filter screen frame (9), and a cover plate (17) is provided on the front side of the cleaning groove, and the cover plate (17) is movably connected to the box body (2) via a rotating member.

5. A crushing device for recycling asphalt concrete according to claim 1, characterized in that: A plurality of springs (18) are fixedly mounted on the top of the support plate (10), and the top ends of the springs (18) are fixedly connected to the bottom of the filter screen frame (9).

6. A crushing device for recycling asphalt concrete according to claim 1, characterized in that: A material discharge chute (19) is provided at the front bottom of the box body (2), and a material guide plate (20) is fixedly mounted at the bottom of the inner wall of the box body (2), wherein the inclination direction of the material guide plate (20) decreases from the back to the front.

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