Flexible crushing device for waste asphalt mixture
By installing cleaning mechanisms on both sides of the crushing box, the asphalt waste on the crushing roller is automatically scraped with electric telescopic rods and scrapers, the adhesion problem during the crushing process is solved and efficient asphalt waste recycling is achieved.
Patent Information
- Application Number
- CN202422354510.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-26
AI Technical Summary
During the crushing process, the existing crushing device generates heat due to the friction between the crushing roller and the asphalt waste, which makes the asphalt waste adhere, resulting in low crushing efficiency and difficult to efficiently recover.
Install cleaning mechanisms on both sides of the crushing box, including electric telescopic rods and scrapers, and cooperate with the motor to automatically scrape the asphalt waste adhered to the crushing rollers, avoiding manual cleaning.
It improves the crushing efficiency of asphalt waste, avoids adhesion problems, and ensures efficient use of the device.
Smart Images

Figure CN223233903U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste asphalt mixtures, in particular to a flexible crushing device for waste asphalt mixtures. Background Art
[0002] When repairing and renovating asphalt pavement, in order to avoid the waste of asphalt waste on the asphalt pavement, it is often necessary to crush the asphalt waste removed from the old pavement to facilitate the subsequent recycling of the asphalt waste.
[0003] At present, the crushing device used for crushing the asphalt waste on the demolished waste road surface is mainly composed of a crushing box, two crushing rollers symmetrically installed in the crushing box, and a motor installed on the outside of the crushing box to drive the corresponding crushing rollers to rotate. Although this crushing device can crush the asphalt waste on the demolished waste road surface, the crushing process will generate heat due to the extrusion and friction between the crushing rollers and the asphalt waste, which makes the asphalt waste become viscous during the crushing process, and then causes the asphalt waste to adhere to the device, which is not convenient for efficient crushing and recovery of the asphalt waste. Utility Model Content
[0004] (1) Technical issues to be resolved
[0005] The technical problem to be solved by the utility model is to provide a flexible crushing device for waste asphalt mixture, which is capable of effectively scraping and cleaning the asphalt waste adhered to the crushing roller during the crushing process, avoiding the adhesion of the asphalt waste on the crushing roller, and facilitating the device to efficiently crush the asphalt waste.
[0006] (2) Technical solution
[0007] The utility model is achieved through the following technical solutions: The utility model proposes a flexible crushing device for waste asphalt mixture, including a crushing box, two crushing rollers symmetrically installed in the crushing box, and two cleaning mechanisms symmetrically installed on both side walls of the crushing box. The cleaning mechanism includes a groove opened on the crushing box opposite to the crushing rollers, an electric telescopic rod symmetrically installed on the outer wall of the crushing box, a linkage plate installed on the telescopic part of the electric telescopic rod, a connecting rod installed on the linkage plate opposite to the groove, a scraper 1 installed on one end of the connecting rod facing away from the linkage plate, a mounting plate installed on the crushing box at the lower side of the electric telescopic rod, an electric telescopic rod symmetrically installed on both sides of the bottom end of the mounting plate, and a scraper 2 installed on the telescopic part of the electric telescopic rod 2.
[0008] Furthermore, a motor is installed on one side wall of the crushing box, facing the roller shaft of each crushing roller, and a feeding hopper is installed in the middle of the top of the crushing box.
[0009] By adopting the above technical solution, the asphalt waste to be crushed can be conveniently fed into the crushing box through the feeding hopper.
[0010] Furthermore, a discharge pipe is installed in the middle of the bottom end of the crushing box, and a support leg is welded at each of the four corners of the bottom end of the crushing box.
[0011] By adopting the above technical solution, the discharge pipe can ensure the convenient discharge of the crushed asphalt waste in the crushing box.
[0012] Furthermore, an operation panel is installed outside the crushing box on one side of the motor, and the operation panel is electrically connected to the motor, the first electric telescopic rod and the second electric telescopic rod.
[0013] By adopting the above technical solution, the operation panel mainly controls the orderly operation of the motor, the electric telescopic rod 1 and the electric telescopic rod 2 by controlling the on-off of the circuit.
[0014] Furthermore, the through groove passes through the side wall of the crushing box, one end of the connecting rod is connected to the scraper with a bolt, and the other end of the connecting rod is connected to the linkage plate with a bolt.
[0015] By adopting the above technical solution, under the action of the connecting rod, it can be ensured that the scraper 1 moves and adjusts together with the linkage plate, so that the scraper 1 can be easily cleaned after it extends out of the crushing box.
[0016] Furthermore, the scraping teeth on the scraper plate 1 are staggered with the scraping teeth on the crushing roller, and the scraper plate 1 is composed of a vertical plate and scraping teeth installed on the vertical plate facing the crushing roller.
[0017] By adopting the above technical solution, it can be ensured that the asphalt waste adhered to the crushing roller during the crushing process of the scraper pair is easily scraped off.
[0018] Furthermore, the fixing portion of the electric telescopic rod 1 is bolted to the crushing box, the telescopic portion of the electric telescopic rod 1 is bolted to the linkage plate, and the linkage plate is a C-shaped structure.
[0019] By adopting the above technical solution, the electric telescopic rod is mainly used to control the movement and extension of the linkage plate relative to the crushing box.
[0020] Furthermore, the second electric telescopic rod is connected to the mounting plate and the second scraper by bolts, and the scraping teeth on the second scraper are staggered with the scraping teeth on the first scraper.
[0021] By adopting the above technical solution, the electric telescopic rod 2 is mainly used to realize the convenient lifting and lowering of the scraper 2, so that the waste adhered to the scraper 1 can be scraped off under the action of the scraper 2, thereby realizing automatic cleaning of the scraper 1.
[0022] (3) Beneficial effects
[0023] Compared with the prior art, the present invention has the following beneficial effects:
[0024] In order to solve the problem that the crushing device currently used for crushing asphalt waste on demolished waste pavement is mainly composed of a crushing box, two crushing rollers symmetrically installed in the crushing box, and a motor installed on the outside of the crushing box for driving the corresponding crushing rollers to rotate, although this crushing device can crush the asphalt waste on the demolished waste pavement, during the crushing process, heat is generated due to the extrusion and friction between the crushing rollers and the asphalt waste, which makes the asphalt waste become viscous during the crushing process, and then causes the asphalt waste to adhere to the device, making it inconvenient to efficiently crush and recover the asphalt waste. The utility model symmetrically installs two cleaning mechanisms on the two side walls of the crushing box. On the one hand, the scraper 1 in the cleaning mechanism can conveniently scrape off the asphalt waste adhered to the crushing rollers, avoiding the low crushing efficiency of the asphalt waste due to the adhesion of the asphalt waste on the crushing rollers. On the other hand, in conjunction with the electric telescopic rod 1, the electric telescopic cylinder 2 and the scraper 2, the asphalt waste adhered to the hanging plate can be regularly scraped and cleaned, avoiding the tedious operation of manual cleaning and ensuring the efficient use of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a schematic structural diagram of a flexible crushing device for waste asphalt mixtures described in the utility model;
[0026] Figure 2 This is a main cross-sectional view of a flexible crushing device for waste asphalt mixtures described in the utility model;
[0027] Figure 3 This is a flexible crushing device for waste asphalt mixture described in the utility model. Figure 1 Enlarged view of point A in the middle.
[0028] The following are the descriptions of the reference numerals:
[0029] 1. Feeding hopper; 2. Operation panel; 3. Motor; 4. Crushing box; 5. Support legs; 6. Discharge pipe; 7. Cleaning mechanism; 701. Electric telescopic rod 1; 702. Linkage plate; 703. Connecting rod; 704. Passing trough; 705. Mounting plate; 706. Electric telescopic rod 2; 707. Scraper 1; 708. Scraper 2; 8. Crushing roller. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0031] like Figure 1-Figure 3 As shown, a flexible crushing device for waste asphalt mixture in this embodiment includes a crushing box 4, two crushing rollers 8 are symmetrically installed in the crushing box 4, and two cleaning mechanisms 7 are symmetrically installed on the two side walls of the crushing box 4. The cleaning mechanism 7 includes a groove 704 opened on the crushing box 4 facing the crushing rollers 8, an electric telescopic rod 701 symmetrically installed on the outer wall of the crushing box 4, a linkage plate 702 installed at the telescopic part of the electric telescopic rod 701, a connecting rod 703 installed at the linkage plate 702 facing the groove 704, and a scraper 70 installed at the end of the connecting rod 703 facing away from the linkage plate 702. 7. The mounting plate 705 installed on the crushing box 4 at the lower side of the electric telescopic rod 1 701, the electric telescopic rod 2 706 symmetrically installed on both sides of the bottom end of the mounting plate 705, and the scraper 2 708 installed on the telescopic part of the electric telescopic rod 2 706 can ensure that the scraper 1 707 moves and adjusts together with the linkage plate 702 under the action of the connecting rod 703. The electric telescopic rod 2 706 is mainly used to realize the convenient lifting and lowering of the scraper 2 708, so that the scraper 1 707 can be scraped off the waste adhered to the scraper 1 707 after it extends out of the crushing box 4 under the action of the scraper 2 708, thereby realizing automatic cleaning of the scraper 1 707.
[0032] like Figure 1-Figure 2 As shown, in this embodiment, a motor 3 is installed on one side wall of the crushing box 4 opposite to the roller shaft of each crushing roller 8, and a feeding hopper 1 is installed in the middle of the top of the crushing box 4, through which the asphalt waste to be crushed can be conveniently fed into the crushing box 4.
[0033] like Figure 1-Figure 2 As shown, in this embodiment, a discharge pipe 6 is further installed in the middle of the bottom end of the crushing box 4, and a support leg 5 is welded at each of the four corners of the bottom end of the crushing box 4. The discharge pipe 6 can ensure the convenient discharge of the crushed asphalt waste in the crushing box 4.
[0034] like Figure 1 As shown, in this embodiment, an operation panel 2 is further installed outside the crushing box 4 on one side of the motor 3. The operation panel 2 is electrically connected to the motor 3, the electric telescopic rod 1 701 and the electric telescopic rod 2 706. The operation panel 2 mainly controls the orderly operation of the motor 3, the electric telescopic rod 1 701 and the electric telescopic rod 2 706 by controlling the on-off of the circuit.
[0035] like Figure 1-Figure 3As shown, in this embodiment, the slot 704 passes through the side wall of the crushing box 4, one end of the connecting rod 703 is bolted to the scraper 1 707, and the other end of the connecting rod 703 is bolted to the linkage plate 702, the scraping teeth on the scraper 1 707 are staggered with the scraping teeth on the crushing roller 8, the scraper 1 707 is composed of a vertical plate and scraping teeth installed on the vertical plate facing the crushing roller 8, which can ensure that the scraper 1 707 can easily scrape off the asphalt waste adhering to the crushing roller 8 during the crushing process, the fixed part of the electric telescopic rod 1 701 is bolted to the crushing box 4, the telescopic part of the electric telescopic rod 1 701 is bolted to the linkage plate 702, the linkage plate 702 is a C-shaped structure, the electric telescopic rod 1 701 is mainly used to control the movement and extension of the linkage plate 702 relative to the crushing box 4, the electric telescopic rod 2 706 is bolted to the mounting plate 705 and the scraper 2 708, and the scraping teeth on the scraper 2 708 are staggered with the scraping teeth on the scraper 1 707.
[0036] The specific implementation process of this embodiment is as follows: When it is necessary to crush the asphalt waste removed from the waste road surface, first connect the device to the external power supply, and put the asphalt waste into the crushing box 4 through the feeding hopper 1. At the same time, the crushing roller 8 is rotated by the motor 3, so that the asphalt waste is crushed during the rotation of the crushing roller 8. The crushed asphalt waste is discharged from the discharge pipe 6. In the process of crushing the asphalt waste, the asphalt waste adhered to the crushing roller 8 due to frictional heat will be scraped off by the scraper 707, so as to avoid the asphalt waste from being deposited on the crushing roller. 8, ensuring the efficiency of the device in crushing the asphalt waste. At the same time, after the scraper 1 707 has been used for a period of time, the scraper 1 707 can be extended from the crushing box 4 under the action of the electric telescopic rod 1 701, the linkage plate 702 and the connecting rod 703, so that when the scraping teeth on the scraper 1 707 correspond to the scraping grooves on the scraper 2 708, the scraper 2 708 can be moved downward under the action of the electric telescopic rod 2 706, so as to clean the waste adhering to the scraper 1 707, avoid the waste adhering to the scraper 1 707 and ensure the efficient crushing of the asphalt waste by the device.
[0037] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A flexible crushing device for waste asphalt mixture, characterized by: The invention comprises a crushing box (4), wherein two crushing rollers (8) are symmetrically installed in the crushing box (4), and two cleaning mechanisms (7) are symmetrically installed on both side walls of the crushing box (4), wherein the cleaning mechanism (7) comprises a groove (704) provided on the crushing box (4) facing the crushing rollers (8), an electric telescopic rod (701) symmetrically installed on the outer wall of the crushing box (4), a linkage plate (702) installed at the telescopic portion of the electric telescopic rod (701), a connecting rod (703) installed at the linkage plate (702) facing the groove (704), a scraper (707) installed at one end of the connecting rod (703) facing away from the linkage plate (702), a mounting plate (705) installed on the crushing box (4) at the lower side of the electric telescopic rod (701), an electric telescopic rod (706) symmetrically installed on both sides of the bottom end of the mounting plate (705), and a scraper (708) installed at the telescopic portion of the electric telescopic rod (706).
2. The flexible crushing device for waste asphalt mixture according to claim 1, characterized in that: A motor (3) is installed on one side wall of the crushing box (4) facing the roller shaft of each crushing roller (8), and a feeding hopper (1) is installed in the middle of the top of the crushing box (4).
3. The flexible crushing device for waste asphalt mixture according to claim 2, characterized in that: A discharge pipe (6) is also installed in the middle of the bottom end of the crushing box (4), and a support leg (5) is welded at each of the four corners of the bottom end of the crushing box (4).
4. The flexible crushing device for waste asphalt mixture according to claim 2, characterized in that: An operating panel (2) is also installed outside the crushing box (4) on one side of the motor (3), and the operating panel (2) is electrically connected to the motor (3), the first electric telescopic rod (701), and the second electric telescopic rod (706).
5. The flexible crushing device for waste asphalt mixture according to claim 1, characterized in that: The through groove (704) passes through the side wall of the crushing box (4), one end of the connecting rod (703) is bolted to the scraper (707), and the other end of the connecting rod (703) is bolted to the linkage plate (702).
6. The flexible crushing device for waste asphalt mixture according to claim 1, characterized in that: The scraping teeth on the scraper 1 (707) are staggered with the scraping teeth on the crushing roller (8), and the scraper 1 (707) is composed of a vertical plate and scraping teeth installed on the vertical plate facing the crushing roller (8).
7. The flexible crushing device for waste asphalt mixture according to claim 1, characterized in that: The fixing portion of the electric telescopic rod (701) is connected to the crushing box (4) by bolts, and the telescopic portion of the electric telescopic rod (701) is connected to the linkage plate (702) by bolts. The linkage plate (702) is a C-shaped structure.
8. The flexible crushing device for waste asphalt mixture according to claim 1, characterized in that: The second electric telescopic rod (706) is bolted to the mounting plate (705) and the second scraper (708), and the scraping teeth on the second scraper (708) and the scraping teeth on the first scraper (707) are staggered.