Movable crushing device
By designing a mobile crushing device, which utilizes a scraper assembly to automatically clean up adhered materials and a discharge conveying mechanism, the problem of asphalt adhesion in existing crushers at high temperatures is solved, improving crushing efficiency and mobility, and making it suitable for resource recycling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING HEYU ROAD BRIDGE ENGINEERING CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-04-24
AI Technical Summary
When existing crushers crush asphalt at high temperatures, the asphalt tends to stick together and cannot be cleaned in time, affecting crushing efficiency. Furthermore, stationary equipment has poor mobility.
Design a mobile crushing device equipped with a mobile vehicle that can be connected to a trailer, including a feeding conveyor mechanism and a crushing mechanism. The crushing mechanism has two crushing rollers that rotate in opposite directions and is equipped with a scraper assembly for automatically cleaning up sticky materials, and achieves automatic discharge through a discharge conveyor mechanism.
It enables automatic cleaning of adhering materials during the crushing process, improving crushing efficiency and mobility, reducing labor costs, and is suitable for resource recycling.
Smart Images

Figure CN224156985U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of resource recycling and reuse technology, specifically to a mobile crushing device. Background Technology
[0002] Sustainable development is a central theme in contemporary society. Resource recycling and reuse are crucial measures to reduce resource waste, mitigate environmental pollution, and promote sustainable development. At its core, it involves the classified collection, processing, and reuse of waste resources, transforming "garbage" into usable resources and forming a circular model of "resources—products—recycled resources."
[0003] Resource recycling is also promoted in the construction industry, such as the sorting, recycling, and reprocessing of construction waste like concrete and steel bars, and the recycling and reuse of road asphalt. When recycling concrete or asphalt, it is essential to crush it. Concrete can be further processed into aggregates and other building materials. Asphalt can be crushed, heated, and have additives added to improve its properties before being mixed and processed to achieve asphalt recycling. However, currently, concrete or asphalt is transported in bulk to processing plants for crushing and subsequent processing. This results in poor processing mobility. Furthermore, when processing asphalt, existing crushers often encounter problems because the asphalt melts at high temperatures and adheres to the crusher, making timely cleaning difficult and affecting crushing efficiency. Therefore, there is an urgent need for a crushing device that can achieve automatic cleaning. Utility Model Content
[0004] In view of the above-mentioned shortcomings of the existing technology, the purpose of this utility model is to provide a mobile crushing device that solves the problem that the existing crushers cannot automatically clean up when crushing asphalt.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A mobile crushing device includes a mobile vehicle that can be connected to a trailer. The mobile vehicle is equipped with a feeding conveying mechanism and a crushing mechanism. The crushing mechanism has two crushing rollers that rotate in opposite directions. The crushing rollers are equipped with a plurality of crushing discs arranged in an alternating manner. Each side of the two crushing rollers is equipped with a scraping assembly for cleaning the crushing rollers and crushing discs.
[0007] The above structural design can change the working mode of the existing stationary crusher, improve the mobility of the crusher, facilitate resource recycling, and at the same time, the crushing mechanism can automatically clean the crushing roller and crushing disc when the crushing roller rotates by setting scraping components on both sides of the crushing roller.
[0008] Preferably, the crushing mechanism further includes a mounting plate and a frame mounted on the mounting plate, two crushing rollers are rotatably mounted on the frame, and drive motors are respectively provided on both sides of the frame to drive the crushing rollers to rotate.
[0009] With the above structural design, the crushing mechanism is integrated on the mounting plate at the lower end and can be detachably mounted on the mobile vehicle, which facilitates assembly and disassembly, and also makes it easy to replace different models of crushing mechanisms.
[0010] Preferably, the crushing discs are spaced a certain distance apart to form cross grooves, and the crushing discs on the two crushing rollers cooperate through the cross grooves.
[0011] With the above structural design, the crushing discs on the two crushing rollers are arranged in a cross position in the middle, which can improve the crushing efficiency.
[0012] Preferably, the scraping assembly is disposed on both sides inside the frame. The scraping assembly includes several scraping plates, and the lower end of the scraping plate is provided with an arc-shaped scraping part. The scraping plate extends into the cross groove to clean the crushing roller and crushing disc.
[0013] With the above structural design, the scraper plate extends deep into the cross groove but is separated from the groove wall by a certain distance. Without affecting the rotation of the crushing roller, when material adheres to the crushing roller and crushing disc, it can be removed by the scraper plate during rotation, and the removed material automatically falls and is discharged. Therefore, the scraper assembly design achieves automatic cleaning of the crushing mechanism, eliminating the need for manual cleaning during machine shutdown.
[0014] Preferably, the crushing disc has multiple notches forming crushing teeth, and the crushing teeth on both crushing rollers are oriented towards the center.
[0015] Preferably, a discharge conveying mechanism is provided at the lower discharge port of the crushing mechanism. The discharge conveying mechanism is inclined, with one end located below the crushing mechanism and the other end located above the transfer vehicle for loading.
[0016] By adopting the above structural design and setting up a discharge conveyor mechanism, the crushed material can be automatically sent to the transfer vehicle without manual feeding, which reduces labor costs and improves work efficiency.
[0017] Preferably, one end of the mobile vehicle is provided with multiple tires, and the other end is detachably connected to the trailer via a connecting mechanism, and the connecting end is provided with a detachable support column.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. This utility model provides scraping components on both sides of the crushing roller of the crushing mechanism. When recycling and crushing asphalt, the scraping components can automatically clean the material adhering to the crushing roller and the crushing disc when the crushing roller rotates, eliminating the need for manual cleaning after stopping the machine.
[0020] 2. This utility model, when used in conjunction with a trailer, adopts a mobile design, which can change the working mode of the existing stationary crusher, improve the mobility of the crusher, and facilitate resource recycling. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of this utility model;
[0022] Figure 2 This is a schematic diagram of another embodiment of the present invention;
[0023] Figure 3 This is a schematic diagram of the crushing mechanism of this utility model;
[0024] Figure 4 yes Figure 3 A schematic diagram of the structure after removing one crushing roller;
[0025] Figure 5 yes Figure 3 A schematic diagram of the structure of the crushing roller.
[0026] In the picture:
[0027] 1. Mobile vehicle, 11. Tires, 12. Support column, 2. Feeding and conveying mechanism, 21. Limiting frame, 22. Conveying assembly, 221. Conveyor belt, 23. Drive component, 3. Crushing mechanism, 31. Crushing roller, 32. Crushing disc, 321. Crushing teeth, 33. Scraping assembly, 33. Scraping plate, 332. Arc-shaped scraping part, 34. Mounting plate, 35. Frame, 36. Drive motor, 37. Cross groove, 38. Feeding hopper, 4. Discharge conveying mechanism. Detailed Implementation
[0028] To explain in detail the technical content, structural features, objectives and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.
[0029] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] Please see Figure 1 , Figure 3 , Figure 4 and Figure 5 A mobile crushing device includes a mobile vehicle 1 that can be connected to a trailer. One end of the mobile vehicle 1 is equipped with multiple tires 11, and the other end is detachably connected to the trailer via a connecting mechanism (the connection structure is existing technology and will not be described in detail here). The connecting end is equipped with a detachable support column 12. The mobile vehicle 1 is equipped with a feeding conveying mechanism 2 and a crushing mechanism 3. The crushing mechanism 3 has two crushing rollers 31 rotating in opposite directions. Each crushing roller 31 has several staggered crushing discs 32. One side of each crushing roller 31 is equipped with a scraper assembly 33 for cleaning the crushing rollers 31 and crushing discs 32. The scraper assembly 33 automatically cleans the material adhering to the crushing rollers 31 as they rotate, eliminating the need for manual cleaning after machine shutdown, thereby improving production efficiency.
[0031] Please continue reading. Figure 1 The mobile vehicle 1 is welded from multiple layers of steel structure. The feeding conveying mechanism 2 is located at the end of the mobile vehicle 1. The feeding conveying mechanism 2 includes a limiting frame 21 fixed to the mobile vehicle 1. A conveying component 22 is provided in the middle of the limiting frame 21. The conveying component 22 includes a conveying roller and a conveyor belt 221, which are existing technologies and will not be described in detail here. The conveying component 22 is driven by a driving component 23 located below. Four sets of springs are fixedly connected to the mobile vehicle 1 below the conveying component 22, which can play a role in buffering and vibration feeding.
[0032] Please see Figure 3 , Figure 4 and Figure 5Furthermore, the crushing mechanism 3 also includes a mounting plate 34 and a frame 35 mounted on the mounting plate 34. Two crushing rollers 31 are rotatably mounted on the frame 35, and drive motors 36 are respectively provided on both sides of the frame 35 to drive the crushing rollers 31 to rotate. A feed hopper 38 is provided above the frame 35, and a through hole is provided on the mounting plate 34 at the frame 35 to facilitate the discharge of crushed material. The discharge port of the feeding conveying mechanism 2 is located above the feed hopper 38. In this embodiment, the frame 35, crushing rollers 31, and drive motors 36 are all integrated on the mounting plate 34, and then fixedly mounted on the mobile vehicle 1 by the mounting plate 34, thereby improving the convenience of assembly. When it is necessary to replace different models of the crushing mechanism 3, disassembly and assembly are more convenient.
[0033] The crushing discs 32 are spaced apart to form a cross groove 37. The crushing discs 32 on the two crushing rollers 31 are intersected in the middle position through the cross groove 37, which facilitates the crushing of materials.
[0034] Furthermore, the scraping assembly 33 is disposed on both sides inside the frame 35. The scraping assembly 33 includes several scraper plates 331, and the lower end of each scraper plate 331 is provided with an arc-shaped scraping part 332. The scraper plates 331 extend into the cross groove 37 to clean the crushing roller 31 and the crushing disc 32. Meanwhile, to avoid affecting the normal operation of the crushing mechanism 3, the scraper plates 331 are spaced a certain distance from the crushing roller 31 and the crushing disc 32, which can be 0.3-1 cm. During asphalt recycling processing, the temperature rises during asphalt re-crushing, and a small amount of asphalt melts and adheres to the sides of the crushing roller 31 and the crushing disc 32. Excessive material adhesion will affect the operation of the crushing mechanism 3. Therefore, the scraper plates 331 can automatically clean the crushing roller 31 as it rotates.
[0035] In this embodiment, the crushing disc 32 has multiple notches forming crushing teeth 321, and the crushing teeth 321 on the two crushing rollers 31 are both oriented towards the center.
[0036] In another embodiment, a discharge conveying mechanism 4 is provided at the lower discharge port of the crushing mechanism 3. The discharge conveying mechanism 4 is inclined, with one end located below the crushing mechanism 3 and the other end located above the transfer vehicle for loading.
[0037] The working principle of this utility model is as follows:
[0038] When concrete or asphalt needs to be recycled, the mobile crushing device can be directly installed at the designated location without transferring the material to a processing workshop. First, the material, after preliminary crushing, is loaded into the feeding conveyor 2, which then transfers it to the downstream crushing mechanism 3. The crushing mechanism 3 automatically crushes the material. During crushing, the crushing disc 32 impacts the material, causing a temperature rise. If the material is asphalt, some of the asphalt will melt and adhere to the cross groove 37 of the crushing roller 31 and the crushing disc 32. Since scraper assemblies 33 are installed on both sides of the frame 35, and scraper plates 331 are located within the cross groove 37, the inner wall of the cross groove 37 can be cleaned during rotation.
[0039] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.
Claims
1. A mobile crushing device, comprising a mobile vehicle (1) connectable to a trailer, characterized in that, The mobile vehicle (1) is equipped with a feeding conveying mechanism (2) and a crushing mechanism (3). The crushing mechanism (3) has two crushing rollers (31) rotating in opposite directions. The crushing rollers (31) are equipped with several staggered crushing discs (32). Each of the two crushing rollers (31) is equipped with a scraping assembly (33) for cleaning the crushing rollers (31) and the crushing discs (32).
2. The mobile crushing device as described in claim 1, characterized in that, The crushing mechanism (3) also includes a mounting plate (34) and a frame (35) mounted on the mounting plate (34). Two crushing rollers (31) are rotatably mounted on the frame (35), and drive motors (36) are respectively provided on both sides of the frame (35) to drive the crushing rollers (31) to rotate.
3. A mobile crushing device as described in claim 2, characterized in that, The crushing discs (32) are spaced a certain distance apart to form a cross groove (37), and the crushing discs (32) on the two crushing rollers (31) are connected and cross each other through the cross groove (37).
4. A mobile crushing device as described in claim 3, characterized in that, The scraping assembly (33) is located on both sides inside the frame (35). The scraping assembly (33) includes several scraping plates (331). The lower end of the scraping plate (331) is provided with an arc-shaped scraping part (332). The scraping plate (331) extends into the cross groove (37) to clean the crushing roller (31) and the crushing disc (32).
5. A mobile crushing device as described in claim 1, characterized in that, The crushing disc (32) has multiple notches forming crushing teeth (321), and the crushing teeth (321) on the two crushing rollers (31) are all oriented towards the center.
6. A mobile crushing device as described in claim 1, characterized in that, The lower discharge port of the crushing mechanism (3) is provided with a discharge conveying mechanism (4). The discharge conveying mechanism (4) is inclined, with one end located below the crushing mechanism (3) and the other end located above the transfer vehicle for loading.
7. A mobile crushing device as described in claim 1, characterized in that, The mobile vehicle (1) has multiple tires (11) at one end and can be detachably connected to a trailer via a connecting mechanism at the other end, and the connecting end is provided with a detachable support column (12).