RAP material crushing and screening integrated structure
By designing an integrated structure for RAP material crushing and screening, using inclined plates and top plates to block debris, a fan to filter dust, and a sliding rod and movable plate to automatically clean the filter screen, the safety and filtration efficiency issues during equipment use are solved, achieving environmental and personnel protection as well as efficient equipment operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI CHUSHENGKE ROAD & BRIDGE TECH DEV CO LTD
- Filing Date
- 2025-03-10
- Publication Date
- 2026-05-08
AI Technical Summary
Existing integrated crushing and screening equipment is prone to environmental and personnel safety hazards due to material bulging and dust dispersion during use. Furthermore, dust can easily clog the filter screen, affecting filtration efficiency.
An integrated structure for crushing and screening RAP materials was designed, including a transmission component, a screening component, a material guiding component, a protective component, a ventilation component, and a filtration component. It uses inclined plates and a top plate to block debris, a fan to filter dust, and a slide bar and a movable plate to automatically clean the filter screen, ensuring safe and efficient filtration.
It effectively prevents dust from spreading, protects the environment and personnel safety, improves the filtration efficiency of the filter screen, and ensures the efficient operation of the equipment.
Smart Images

Figure CN224208093U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of integrated crushing and screening equipment, specifically an integrated structure for crushing and screening RAP materials. Background Technology
[0002] In the processing of RAP materials, crushing and screening are often required, necessitating the use of integrated crushing and screening equipment. Utility model patent application CN201620522214.X discloses an integrated crushing and screening toothed roller crusher. By setting up a material distribution and screening mechanism, it achieves vertical screening of the feed material, preventing unrequited, qualified fine materials from entering the crushing chamber, thus avoiding over-crushing and unnecessary energy waste. It also offers advantages such as reduced equipment wear, increased material output qualification rate, and smaller footprint compared to external screening equipment. When the screening impeller group rotates... The cleaning protrusions enable thorough cleaning of the circumferential surfaces of adjacent screening impellers, preventing material adhesion that could lead to poor screening performance or even jamming. The integrated design features compact equipment, convenient operation, maintenance, and a rational process design. According to its publicly available technical solutions, existing integrated crushing and screening equipment, during crushing and screening operations, is prone to posing risks to the surrounding environment and personnel safety due to material expansion and dust dispersion. Furthermore, during dust and metal filtration and purification, dust can easily clog the filter screen, compromising its filtration efficiency.
[0003] Therefore, how to design an integrated structure for crushing and screening RAP materials has become a problem we need to solve. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an integrated structure for crushing and screening RAP materials to solve the problems mentioned in the background. This utility model is reasonably designed, convenient to use, and suitable for crushing and screening RAP materials.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an integrated structure for crushing and screening RAP materials, comprising a machine body and a crushing roller, a transmission assembly mounted on the machine body, the transmission assembly including gears and a motor, a screening assembly mounted on the inner side of the machine body, the screening assembly including a screen plate one and a screen plate two, a material guiding assembly mounted on the machine body, the material guiding assembly including a baffle and an inclined plate, a protective assembly mounted on the machine body, the protective assembly including a top plate and a baffle bar, a ventilation assembly mounted on the machine body, the ventilation assembly including a duct and a fan, and a filter assembly mounted on the machine body, the filter assembly including a filter screen and a slide rod.
[0006] Furthermore, both ends of the crushing roller are mounted on the inner side of the machine body via bearings, and the motor is mounted on the outer side of the machine body via bolts. One end of the crushing roller is keyed to the output shaft of the motor, and the other end of the crushing roller passes through the machine body and extends to the outer side of the machine body. The gear is keyed to the other end of the crushing roller. There are two crushing rollers and two gears, and the two gears mesh with each other.
[0007] Furthermore, the baffle is welded to the inner wall of the machine body, the top of the baffle is located at the top of the crushing roller, the inclined plate is installed on the inner wall of the top of the machine body by bolts, the inclined plate is located at the top of the baffle, the top plate is installed on the top of the machine body by bolts, the sum of the widths of the top plate and the inclined plate is greater than the width of the machine body, the stop rod is installed on the inner side of the machine body by a rotating shaft, and the stop rod is located at the bottom of the crushing roller.
[0008] Furthermore, both the first sieve plate and the second sieve plate are bolted to the inner wall of the machine body. The first sieve plate is located at the top of the second sieve plate and at the bottom of the baffle. The two sides of the machine body are welded to the first outlet and the second outlet, respectively. The first outlet and the second outlet are respectively connected to the top of the first sieve plate and the second sieve plate.
[0009] Furthermore, the filter screen is bolted to the inner wall of the machine body, the filter screen is located at the bottom of the sieve plate two, and an outlet three is welded to one side of the machine body, the outlet three being connected to the top of the filter screen.
[0010] Furthermore, the air duct is welded to the bottom of the other side of the machine body, and the fan is bolted to the inside of the air duct, which is located at the bottom of the filter screen.
[0011] Furthermore, a sliding sleeve is welded to the inner wall of the other side of the machine body. One end of the sliding rod is locked inside the sliding sleeve, and the other end of the sliding rod extends to the outer side of the sliding sleeve. The support plate is welded to the sliding rod and the support plates are evenly distributed on the sliding rod. A movable plate is installed at the bottom of the support plate. The bottom of the movable plate is locked at the top of the filter screen. The top of one side of the movable plate is installed at the bottom of one side of the support plate via a pivot. The bottom of the other side of the support plate blocks the top of the other side of the movable plate. The support plate is connected to the inner wall of the machine body by a spring.
[0012] Furthermore, an external switch assembly is connected to the machine body, and the switch assembly is connected to the motor and the fan via wires.
[0013] Beneficial effects: 1. When using this integrated RAP material crushing and screening structure, the RAP material is fed into the machine body through the inclined plate. The motor drives one crushing roller to rotate, and the crushing roller drives the other crushing roller to rotate through the meshing of gears, thus crushing the RAP material. The inclined plate and top plate are used to block the flying debris caused by the crushing process, ensuring the safety of the surrounding personnel. The fan generates suction in the machine body through the air duct, and the dust generated by crushing and screening is carried downward by the airflow and filtered out by the filter screen to prevent dust from spreading and ensure the safety of the environment and personnel. After the crushed RAP material hits the baffle, it falls onto the first screen plate, protecting the safety of the first screen plate. After the RAP material passes through the first screen plate and is screened by the second screen plate, it is discharged out through the first outlet and the second outlet respectively.
[0014] 2. In use, the integrated crushing and screening structure of this RAP material operates by generating vibrations that cause one end of the slide rod to slide inside the sliding sleeve. The spring force causes the slide rod to reciprocate. When the slide rod moves to the left, it drives the support plate, which in turn pushes the movable plate to the left. This movable plate scrapes the debris on the filter screen to the left. When the slide rod moves to the right, it drives the support plate to the right, which in turn drives the movable plate to the right. The movable plate, through the rotation of the shaft, passes over the top of the debris on the filter screen, effectively cleaning the screen and facilitating the discharge of debris, thus ensuring the filtration efficiency and dust purification effect.
[0015] 3. The integrated crushing and screening structure of this RAP material is reasonably designed, and is highly efficient and convenient to use. It is suitable for crushing and screening RAP materials. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the integrated structure for crushing and screening RAP materials according to the present invention.
[0017] Figure 2 This is a cross-sectional view of an integrated structure for crushing and screening RAP materials according to the present invention.
[0018] Figure 3 This is a schematic diagram of the support plate of the integrated RAP material crushing and screening structure of this utility model;
[0019] In the diagram: 1. Machine body; 2. Crushing roller; 3. Gear; 4. Motor; 5. Screen plate one; 6. Screen plate two; 7. Outlet one; 8. Outlet two; 9. Filter screen; 10. Outlet three; 11. Baffle; 12. Inclined plate; 13. Top plate; 14. Baffle bar; 15. Air duct; 16. Fan; 17. Sliding sleeve; 18. Sliding rod; 19. Support plate; 20. Spring; 21. Hinged plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1 to 3This utility model provides a technical solution: an integrated structure for crushing and screening RAP material, including a machine body 1 and a crushing roller 2. A transmission assembly is installed on the machine body 1, including a gear 3 and a motor 4. A screening assembly is installed inside the machine body 1, including a screen plate 5 and a screen plate 6. A material guiding assembly is installed on the machine body 1, including a baffle 11 and an inclined plate 12. A protective assembly is installed on the machine body 1, including a top plate 13 and a baffle bar 14. A ventilation assembly is installed on the machine body 1, including a duct 15 and a fan 16. A filter assembly is installed on the machine body 1, comprising a filter screen 9 and a slide rod 18. A baffle 11 is welded to the inner wall of the machine body 1, with its top located above the crushing roller 2. An inclined plate 12 is bolted to the inner wall of the top of the machine body 1, with the inclined plate 12 located above the baffle 11. A top plate 13 is bolted to the top of the machine body 1, with the sum of the widths of the top plate 13 and the inclined plate 12 being greater than the width of the machine body 1. A baffle rod 14 is mounted on the inner side of the machine body 1 via a rotating shaft, with the baffle rod 14 located at the bottom of the crushing roller 2. Screen plates 5 and 6 are both bolted to the inner wall of the machine body 1. On the wall, the first screen plate 5 is located on top of the second screen plate 6, and the first screen plate 5 is located at the bottom of the baffle 14. The two sides of the machine body 1 are respectively welded to outlet 7 and outlet 8, which are connected to the tops of the first screen plate 5 and the second screen plate 6. The filter screen 9 is bolted to the inner wall of the machine body 1, and is located at the bottom of the second screen plate 6. An outlet 3 10 is welded to one side of the machine body 1, and the outlet 3 10 is connected to the top of the filter screen 9. In use, RAP material is added into the machine body 1 through the inclined plate 12. The motor 4 drives a crushing roller 2 to rotate. The crushing roller 2 is connected to the gears 3. The meshing drives another crushing roller 2 to rotate, crushing the RAP material. The inclined plate 12 and the top plate 13 are used to block the flying debris caused by the crushing work, ensuring the safety of the surrounding personnel. The fan 16 generates suction force in the machine body 1 through the air duct 15, and the dust generated by crushing and screening is carried downward by the airflow and filtered out by the filter screen 9 to prevent dust from spreading and ensure the safety of the environment and personnel. After the crushed RAP material hits the baffle 14, it falls onto the screen plate 5, protecting the screen plate 5. After being screened by the screen plate 5 and the screen plate 6, the RAP material is discharged out through the outlet 7 and the outlet 5 respectively.
[0022] In this embodiment, both ends of the crushing roller 2 are mounted on the inner side of the machine body 1 via bearings. The motor 4 is mounted on the outer side of the machine body 1 via bolts. One end of the crushing roller 2 is keyed to the output shaft of the motor 4, and the other end of the crushing roller 2 passes through the machine body 1 and extends to the outer side of the machine body 1. The gear 3 is keyed to the other end of the crushing roller 2. There are two crushing rollers 2 and two gears 3, and the two gears 3 mesh with each other. The air duct 15 is welded to the bottom of the other side of the machine body 1, and the fan 1... 6. The air duct 15 is bolted to the inside of the air duct 15, which is located at the bottom of the filter screen 9. A sliding sleeve 17 is welded to the inner wall of the other side of the body 1. One end of the sliding rod 18 is locked inside the sliding sleeve 17, and the other end of the sliding rod 18 extends to the outside of the sliding sleeve 17. A support plate 19 is welded to the sliding rod 18 and is evenly distributed on the sliding rod 18. A hinged plate 21 is installed at the bottom of the support plate 19. The bottom of the hinged plate 21 is locked at the top of the filter screen 9. One side of the hinged plate 21... The top is mounted on the bottom of one side of the support plate 19 via a pivot. The bottom of the other side of the support plate 19 blocks the top of the other side of the hinge plate 21. The support plate 19 is connected to the inner wall of the machine body 1 via a spring 20. An external switch assembly is connected to the machine body 1. The switch assembly is connected to the motor 4 and the fan 16 via wires. During use, when the equipment is working, the vibration generated causes one end of the slide rod 18 to slide inside the sliding sleeve 17, and the elastic force of the spring 20 causes the slide rod 18 to reciprocate. When the slide rod 18 moves towards... When moving to the left, the slide rod 18 drives the support plate 19, which in turn pushes the movable plate 21 to the left. The movable plate 21 then scrapes the debris on the filter screen 9 to the left. When the slide rod 18 moves to the right, it drives the support plate 19 to the right, which in turn drives the movable plate 21 to the right. This causes the movable plate 21 to pass over the top of the debris on the filter screen 9 through the rotation of the shaft, thus effectively cleaning the filter screen 9 and facilitating the discharge of debris. This ensures the filtration efficiency of the filter screen 9 and the purification effect on dust.
[0023] This integrated RAP material crushing and screening structure provides power to all electrical equipment via an external power supply. During operation, the RAP material is fed into the machine body 1 through the inclined plate 12. The motor 4 drives one crushing roller 2 to rotate, and the crushing roller 2, through the meshing of gears 3, drives the other crushing roller 2 to rotate, thus crushing the RAP material. The inclined plate 12 and top plate 13 prevent flying debris during crushing, ensuring the safety of surrounding personnel. The blower 16 generates suction inside the machine body 1 through the air duct 15, drawing dust generated during crushing and screening downwards, where it is filtered out by the filter screen 9, preventing dust dispersion and ensuring environmental and personnel safety. After being crushed, the RAP material impacts the baffle 14 and then falls onto the screen plate 5, protecting the screen plate 5. The RAP material passes through the screen plate... After screening by screens 5 and 6, the particles are discharged outward through outlets 7 and 5 respectively. During operation, the vibration generated causes one end of the slide rod 18 to slide inside the sliding sleeve 17, and the spring force of the spring 20 causes the slide rod 18 to reciprocate. When the slide rod 18 moves to the left, it drives the support plate 19, which in turn pushes the movable plate 21 to the left. The movable plate 21 then scrapes the debris on the filter screen 9 to the left. When the slide rod 18 moves to the right, it drives the support plate 19 to the right, which in turn drives the movable plate 21 to the right. The movable plate 21 then passes over the top of the debris on the filter screen 9 through the rotation of the shaft, thus effectively cleaning the filter screen 9 and facilitating the discharge of debris, ensuring the filtration efficiency of the filter screen 9 and thus ensuring the purification effect on dust.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An integrated structure for crushing and screening RAP material, comprising a body (1) and a crushing roller (2), wherein a transmission assembly is installed on the body (1), the transmission assembly comprising a gear (3) and a motor (4), and a screening assembly is installed on the inner side of the body (1), the screening assembly comprising a screen plate one (5) and a screen plate two (6), characterized in that: The machine body (1) is equipped with a material guiding assembly, which includes a baffle (11) and an inclined plate (12). The machine body (1) is equipped with a protective assembly, which includes a top plate (13) and a baffle (14). The machine body (1) is equipped with a ventilation assembly, which includes a duct (15) and a fan (16). The machine body (1) is equipped with a filter assembly, which includes a filter screen (9) and a slide rod (18).
2. The integrated structure for crushing and screening RAP materials according to claim 1, characterized in that: Both ends of the crushing roller (2) are mounted on the inner side of the machine body (1) by bearings. The motor (4) is mounted on the outer side of the machine body (1) by bolts. One end of the crushing roller (2) is keyed to the output shaft of the motor (4). The other end of the crushing roller (2) passes through the machine body (1) and extends to the outer side of the machine body (1). The gear (3) is keyed to the other end of the crushing roller (2). There are two crushing rollers (2) and two gears (3). The two gears (3) mesh with each other.
3. The integrated structure for crushing and screening RAP material according to claim 2, characterized in that: The baffle (11) is welded to the inner wall of the machine body (1). The top of the baffle (11) is located at the top of the crushing roller (2). The inclined plate (12) is installed on the inner wall of the top of the machine body (1) by bolts. The inclined plate (12) is located at the top of the baffle (11). The top plate (13) is installed on the top of the machine body (1) by bolts. The sum of the widths of the top plate (13) and the inclined plate (12) is greater than the width of the machine body (1). The stop bar (14) is installed on the inner side of the machine body (1) by a rotating shaft. The stop bar (14) is located at the bottom of the crushing roller (2).
4. The integrated structure for crushing and screening RAP material according to claim 3, characterized in that: The first sieve plate (5) and the second sieve plate (6) are both bolted to the inner wall of the machine body (1). The first sieve plate (5) is located at the top of the second sieve plate (6) and at the bottom of the baffle (14). The two sides of the machine body (1) are welded to the first outlet (7) and the second outlet (8) respectively. The first outlet (7) and the second outlet (8) are connected to the top of the first sieve plate (5) and the second sieve plate (6) respectively.
5. The integrated structure for crushing and screening RAP material according to claim 1, characterized in that: The filter screen (9) is installed on the inner wall of the machine body (1) by bolts. The filter screen (9) is located at the bottom of the sieve plate (6). An outlet (10) is welded to one side of the machine body (1). The outlet (10) is connected to the top of the filter screen (9).
6. The integrated structure for crushing and screening RAP material according to claim 5, characterized in that: The air duct (15) is welded to the bottom of the other side of the body (1), and the fan (16) is installed inside the air duct (15) by bolts. The air duct (15) is located at the bottom of the filter screen (9).
7. The integrated structure for crushing and screening RAP material according to claim 6, characterized in that: A sliding sleeve (17) is welded to the inner wall of the other side of the body (1). One end of the sliding rod (18) is stuck inside the sliding sleeve (17), and the other end of the sliding rod (18) extends to the outside of the sliding sleeve (17). A support plate (19) is welded to the sliding rod (18). The support plate (19) is evenly distributed on the sliding rod (18). A movable plate (21) is installed at the bottom of the support plate (19). The bottom of the movable plate (21) is stuck at the top of the filter screen (9). The top of one side of the movable plate (21) is installed at the bottom of one side of the support plate (19) through a pivot. The bottom of the other side of the support plate (19) blocks the top of the other side of the movable plate (21). The support plate (19) is connected to the inner wall of the body (1) through a spring (20).
8. The integrated structure for crushing and screening RAP material according to claim 7, characterized in that: The machine body (1) is connected to an external switch group, which is connected to the motor (4) and the fan (16) via wires.
Citation Information
Patent Citations
Sieve broken integrative gear type roller breaker
CN205815792U