Recycled concrete aggregate crushing equipment
By introducing a screening device and ash suction device into the recycled concrete aggregate crushing equipment, the crushing and dust contamination of the main roller and the secondary roller are used to clean the crushing and dust contamination. The problem has improved the quality and environmental protection of recycled concrete.
Patent Information
- Application Number
- CN202420779849.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The existing recycled concrete aggregate crushing equipment is unevenly crushed during the crushing process, resulting in poor quality of recycled concrete production and serious dust pollution, affecting the efficiency of environmental and resource utilization.
A recycled concrete aggregate crushing equipment including a screening device and ash suction device is designed. The crushing is carried out through the cooperation of the main roller and the secondary roller, and dust is collected by using a vacuum cleaner and a suction head to ensure crushing. Uniformity and environmental protection.
It improves the uniformity and efficiency of concrete crushing, reduces dust pollution, protects the environment, and improves the quality of recycled concrete.
Smart Images
Figure CN222174222U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete aggregate processing equipment, in particular to recycled concrete aggregate crushing equipment. Background Art
[0002] Recycled concrete refers to discarded concrete blocks that have been crushed by crushing equipment and then used as aggregate for new concrete. They are mixed in a certain proportion to partially or completely replace sand and gravel, and then cement, water, etc. are added to make new concrete. However, the existing recycled concrete aggregate crushing equipment has the following disadvantages in the crushing process: 1. Generally, in the process of crushing discarded concrete, the crushing is not uniform enough, which affects the quality of recycled concrete; 2. The crushing equipment will generate a lot of dust when crushing discarded concrete, so that the dust is dispersed outside the equipment, which not only causes waste of raw materials but also pollutes the environment. Utility Model Content
[0003] The main purpose of the utility model is to provide a recycled concrete aggregate crushing device, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A recycled concrete aggregate crushing equipment comprises a base box, a control keyboard is fixedly connected to the upper right end of the base box, an aggregate box is inserted in the base box, a through hole is opened at the front upper end of the base box, an ash suction device is fixedly connected to the base box through the through hole, a crushing box is fixedly connected to the middle upper end of the base box, a feed hopper is fixedly connected to the upper outer surface of the crushing box, and the feed hopper is communicated with the interior of the crushing box, the feed hopper is located on the rear side of the ash suction device, and a screening device is fixedly connected to the right end of the crushing box.
[0006] Preferably, the screening device includes a cover plate, which is fixedly connected to the right end of the crushing box, a screen is fixedly connected to the lower left end of the cover plate, the end of the screen away from the cover plate is fixedly connected to the lower inner left wall of the crushing box, a crushing assembly is fixedly connected to the rear right end of the cover plate, and the left part of the crushing assembly is located in the crushing box.
[0007] Preferably, the crushing assembly includes a driver, which is fixedly connected to the right end of the cover plate, the output end of the driver passes through the rear part of the right end of the cover plate and is fixedly connected to a main rolling roller, the left end of the main rolling roller is movably connected to a crushing box through a bearing, a main gear is fixedly connected to the right part of the outer surface of the main rolling roller, a secondary rolling roller is arranged on the front side of the main rolling roller, a secondary gear is fixedly connected to the right part of the outer surface of the secondary rolling roller, and the left and right ends of the secondary rolling roller are movably connected to the crushing box through bearings.
[0008] Preferably, the main gear is meshed with the secondary gear, and the main rolling roller and the secondary rolling roller are both in close contact with the inner wall of the screen but not fixed.
[0009] Preferably, the dust suction device includes a vacuum cleaner and a protection frame, the lower end of the vacuum cleaner is fixedly connected to a through pipe, the upper end of the vacuum cleaner is fixedly connected to a suction pipe, and one end of the suction pipe away from the vacuum cleaner extends into the protection frame and is fixedly connected to a suction head.
[0010] Preferably, the through tube is fixedly connected to the base box through a through hole, the lower end surface of the through tube is flush with the upper end surface of the collection box, the protection frame is fixedly connected to the upper front part of the feed hopper, and the suction head is oriented toward the opening direction of the feed hopper.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. By setting a screening device and a crushing assembly, the screen is closely attached to the main rolling roller and the secondary rolling roller but not fixed. Under the cooperation of the driver, the main rolling roller, the main gear, the secondary rolling roller and the secondary gear, the driver works, and the driver drives the main gear to mesh and rotate the secondary gear, thereby synchronously driving the main rolling roller and the secondary rolling roller to rotate and crush the concrete blocks poured into the crushing box at high speed, so that a part of the concrete material falls into the aggregate box after being screened by the screen, and the concrete blocks that are not screened and fall will remain in the crushing box until they are crushed and crushed by the main rolling roller and the secondary rolling roller, thereby improving the crushing effect of the concrete;
[0013] 2. By setting up a dust suction device, the vacuum cleaner is fixed to the through hole opened at the upper front part of the base box through the through pipe, the protection frame is fixed to the upper front part of the feed hopper, and the suction pipe is extended into the protection frame and fixed to the suction head, and the suction head is facing the direction of the feed hopper. Therefore, with the cooperation of the vacuum cleaner, the suction pipe and the suction head, the concrete waste and dust splashed and diffused from the feed hopper can be sucked and discharged into the aggregate box through the through pipe, so that the device can be more environmentally friendly when used. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a recycled concrete aggregate crushing device of the utility model;
[0015] Figure 2 This is a schematic diagram of the overall structure of a screening device of a recycled concrete aggregate crushing device of the utility model;
[0016] Figure 3 This is a schematic diagram of the overall structure of a crushing assembly of a recycled concrete aggregate crushing device of the utility model;
[0017] Figure 4The utility model is a schematic diagram of the overall structure of a dust suction device of a recycled concrete aggregate crushing device.
[0018] In the figure: 1. base box; 2. control keyboard; 3. collection box; 4. through hole; 5. dust suction device; 6. crushing box; 7. feed hopper; 8. screening device; 51. vacuum cleaner; 52. through pipe; 53. suction pipe; 54. suction head; 55. protection frame; 81. cover plate; 82. screen; 83. crushing assembly; 831. drive; 832. main crushing roller; 833. main gear; 834. secondary crushing roller; 835. secondary gear. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] See also Figure 1-4 , the utility model provides a technical solution:
[0023] A recycled concrete aggregate crushing equipment includes a base box 1, a control keyboard 2 is fixedly connected to the upper right end of the base box 1, an aggregate box 3 is inserted in the base box 1, a through hole 4 is opened at the front upper end of the base box 1, an ash suction device 5 is fixedly connected to the base box 1 through the through hole 4, a crushing box 6 is fixedly connected to the middle upper end of the base box 1, a feed hopper 7 is fixedly connected to the upper outer surface of the crushing box 6, and the feed hopper 7 is communicated with the interior of the crushing box 6, the feed hopper 7 is located on the rear side of the ash suction device 5, and a screening device 8 is fixedly connected to the right end of the crushing box 6.
[0024] In this embodiment, the screening device 8 includes a cover plate 81, which is fixedly connected to the right end of the crushing box 6, a screen 82 is fixedly connected to the lower part of the left end of the cover plate 81, and the end of the screen 82 away from the cover plate 81 is fixedly connected to the lower part of the inner left wall of the crushing box 6, and a crushing assembly 83 is fixedly connected to the rear part of the right end of the cover plate 81, and the left part of the crushing assembly 83 is located in the crushing box 6. The crushing assembly 83 includes a driver 831, which is fixedly connected to the right end of the cover plate 81, and the output of the driver 831 is fixedly connected to the right end of the cover plate 81. The outlet end passes through the rear right end of the cover plate 81 and is fixedly connected with a main rolling roller 832. The left end of the main rolling roller 832 is movably connected to the crushing box 6 through a bearing. The right part of the outer surface of the main rolling roller 832 is fixedly connected with a main gear 833. A secondary rolling roller 834 is arranged on the front side of the main rolling roller 832. The right part of the outer surface of the secondary rolling roller 834 is fixedly connected with a secondary gear 835. The left and right ends of the secondary rolling roller 834 are movably connected to the crushing box 6 through bearings. The main gear 833 and the secondary gear 835 are fixedly connected. 835 are meshed and connected, the main rolling roller 832 and the secondary rolling roller 834 are both in close contact with the inner wall of the screen 82 but not fixed; by setting the screening device 8 and the crushing assembly 83, the two ends of the screen 82 are fixed to the lower part of the inner left wall of the crushing box 6 and the lower part of the left end of the cover 81 respectively, because the screen 82 is in close contact with the main rolling roller 832 and the secondary rolling roller 834 but not fixed, so that the common gear 831, the main rolling roller 832, the main gear 833, the secondary rolling roller 834 and the secondary gear 835 can be used to realize the crushing of the screen 82. When used together, the main gear 833 meshes with the rotating secondary gear 835, which can synchronously drive the main rolling roller 832 and the secondary rolling roller 834 to rotate and crush the concrete blocks that fall into the crushing box 6. The crushed concrete material can fall from the screening holes on the screen 82 into the aggregate box 3, while the concrete blocks that have not been screened and fallen will remain in the crushing box 6 and be crushed by the main rolling roller 832 and the secondary rolling roller 834 until they are crushed, making the crushed concrete more uniform and improving the crushing efficiency of the concrete blocks.
[0025] In this embodiment, the dust suction device 5 includes a dust collector 51 and a protective frame 55, the lower end of the dust collector 51 is fixedly connected with a through pipe 52, the upper end of the dust collector 51 is fixedly connected with a suction pipe 53, the end of the suction pipe 53 away from the dust collector 51 extends into the protective frame 55 and is fixedly connected with a suction head 54, the through pipe 52 is fixedly connected to the base box 1 through the through hole 4, the lower end surface of the through pipe 52 is flush with the upper end surface of the collection box 3, the protective frame 55 is fixedly connected to the upper front of the feed hopper 7, and the suction head 54 is oriented toward the opening direction of the feed hopper 7; by setting the dust suction device 5, the through pipe 52 is fixedly connected to the base box 1 through the through hole 4, the lower end surface of the through pipe 52 is flush with the upper end surface of the collection box 3, the protective frame 55 is fixedly connected to the upper front of the feed hopper 7, and the suction head 54 is oriented toward the opening direction of the feed hopper 7. The through hole 4 is fixed to the base box 1, and the suction head 54 is located in the protective frame 55, and the protective frame 55 is fixed to the front part of the upper end of the feed hopper 7, and the suction head 54 is facing the direction of the feed hopper 7, so that when the concrete block is poured from the feed hopper 7 into the crushing box 6, the protective frame 55 can play an anti-collision role for the suction head 54. Therefore, with the coordinated use of the vacuum cleaner 51, the suction pipe 53 and the suction head 54, the dust splashed from the feed hopper 7 can be adsorbed and discharged into the aggregate box 3 through the through pipe 52, thereby reducing the dust generated during the concrete crushing process and collecting and utilizing the concrete waste dust.
[0026] It should be noted that the utility model is a recycled concrete aggregate crushing equipment. During use, the discarded concrete blocks are poured from the feed hopper 7 into the crushing box 6, and the driver 831 is started by the control keyboard 2. The driver 831 drives the main gear 833 to mesh and rotate the secondary gear 835, thereby synchronously driving the main rolling roller 832 and the secondary rolling roller 834 to rotate and roll the fallen concrete blocks. A screen 82 is fixed to the lower left end of the cover plate 81, and the left end of the screen 82 is fixed to the lower left inner wall of the crushing box 6, and the screen 82 is tightly attached to the main rolling roller 832 and the secondary rolling roller 834 but not fixed. Therefore, the crushed concrete blocks can fall into the aggregate box 3 through the screening holes under the screening of the screen 82. For those concrete blocks that have not been crushed, they can rotate in the crushing box 6 until they are crushed by the main rolling roller 832 and the secondary rolling roller 834, so that the concrete blocks can be crushed more evenly, thereby improving the quality of the recycled concrete. In addition, the base The upper front part of the box body 1 is fixedly provided with an ash suction device 5, and the through pipe 52 provided on the ash suction device 5 is fixed to the base box body 1 through the through hole 4, and the lower end surface of the through pipe 52 is flush with the upper end surface of the collection box 3, so that the collection box 3 can be completely inserted into the base box body 1, and the protective frame 55 provided on the ash suction device 5 is fixed to the upper front part of the feed hopper 7, and the end of the suction pipe 53 away from the vacuum cleaner 51 is extended into the protective frame 55 and fixed to the suction head 54, and the suction head 54 faces the feed hopper 7. In the opening direction, on the one hand, the suction head 54 can avoid collision with the poured concrete blocks under the protection of the protection frame 55. On the other hand, when the personnel start the vacuum cleaner 51 through the control keyboard 2, the vacuum cleaner 51 can absorb the concrete dust and waste splashed from the feed hopper 7 through the cooperation of the suction pipe 53 and the suction head 54, and discharge the absorbed dust into the aggregate box 3 through the through pipe 52, which not only reduces the pollution of concrete to the air, but also collects the concrete waste dust well.
[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A recycled concrete aggregate crushing device, comprising a base box (1), characterized in that: A control keyboard (2) is fixedly connected to the upper right end of the base box (1), a collecting box (3) is inserted into the base box (1), a through hole (4) is opened at the front upper end of the base box (1), an ash suction device (5) is fixedly connected to the base box (1) through the through hole (4), a crushing box (6) is fixedly connected to the middle upper end of the base box (1), a feed hopper (7) is fixedly connected to the upper outer surface of the crushing box (6), and the feed hopper (7) is communicated with the interior of the crushing box (6), the feed hopper (7) is located at the rear side of the ash suction device (5), and a screening device (8) is fixedly connected to the right end of the crushing box (6); The screening device (8) comprises a cover plate (81), the cover plate (81) being fixedly connected to the right end of the crushing box (6), a screen (82) being fixedly connected to the lower left end of the cover plate (81), an end of the screen (82) away from the cover plate (81) being fixedly connected to the lower left inner wall of the crushing box (6), a crushing assembly (83) being fixedly connected to the rear right end of the cover plate (81), and the left part of the crushing assembly (83) being located in the crushing box (6).
2. The recycled concrete aggregate crushing equipment according to claim 1, characterized in that: The crushing assembly (83) comprises a driver (831), wherein the driver (831) is fixedly connected to the right end of the cover plate (81), the output end of the driver (831) passes through the rear part of the right end of the cover plate (81) and is fixedly connected to a main crushing roller (832), the left end of the main crushing roller (832) is movably connected to the crushing box (6) via a bearing, the right part of the outer surface of the main crushing roller (832) is fixedly connected with a main gear (833), a secondary crushing roller (834) is arranged on the front side of the main crushing roller (832), the right part of the outer surface of the secondary crushing roller (834) is fixedly connected with a secondary gear (835), and the left and right ends of the secondary crushing roller (834) are both movably connected to the crushing box (6) via bearings.
3. The recycled concrete aggregate crushing equipment according to claim 2, characterized in that: The main gear (833) is meshedly connected with the secondary gear (835), and the main rolling roller (832) and the secondary rolling roller (834) are both in close contact with the inner wall of the screen (82) but not fixed.
4. The recycled concrete aggregate crushing equipment according to claim 1, characterized in that: The dust suction device (5) comprises a dust collector (51) and a protective frame (55); the lower end of the dust collector (51) is fixedly connected to a through pipe (52); the upper end of the dust collector (51) is fixedly connected to a suction pipe (53); one end of the suction pipe (53) away from the dust collector (51) extends into the protective frame (55) and is fixedly connected to a suction head (54).
5. The recycled concrete aggregate crushing equipment according to claim 4, characterized in that: The through pipe (52) is fixedly connected to the base box (1) via the through hole (4); the lower end surface of the through pipe (52) is flush with the upper end surface of the collecting box (3); the protective frame (55) is fixedly connected to the upper front part of the feed hopper (7); and the suction head (54) is oriented toward the opening direction of the feed hopper (7).