Construction waste crushing device
By installing protective and dust removal mechanisms in the construction waste crushing device, and using hydraulic rods to control baffles and industrial vacuum cleaners to spray water mist, the problem of dust and debris flying out is solved, and a clean operation is achieved in the crushing process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-04-03
AI Technical Summary
Existing construction waste crushing equipment generates a large amount of dust and debris during the crushing process, affecting the quality of the surrounding environment and people's health.
A construction waste crushing device was designed, equipped with a protective mechanism and a dust removal mechanism, including an upper hopper and an lower hopper. The opening and closing of the baffle is controlled by a hydraulic rod to prevent dust and debris from flying out, and an industrial vacuum cleaner and nozzles are used to spray water mist to suppress dust.
It effectively prevents dust and debris from flying out, protects the environment and personnel health, and achieves clean operation in the crushing process.
Smart Images

Figure CN224072196U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crushing devices, specifically a construction waste crushing device. Background Technology
[0002] During the construction process, a large amount of construction waste is generated, mainly involving various cement board wastes. These wastes need to be crushed by crushing equipment before being transported or reused. Existing construction waste crushing equipment generates a large amount of dust while crushing construction waste blocks. Dust and debris fly out, affecting the quality of the surrounding environment and the health of people.
[0003] Therefore, it is necessary to propose a construction waste crushing device. Utility Model Content
[0004] The purpose of this invention is to provide a construction waste crushing device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A construction waste crushing device includes a first support and a second support. The second support is fixedly installed inside the first support, and a crushing box is fixedly installed on the top of the second support. A crushing roller is rotatably arranged inside the crushing box. A reduction motor is installed on the first support, and the output end of the reduction motor is connected to the crushing roller. Protective mechanisms are provided at the upper and lower ends of the crushing box to prevent dust and debris generated during the crushing of construction waste from flying out. A dust removal mechanism is provided at the side of the crushing box to absorb the dust generated during the crushing of construction waste.
[0007] The protective mechanism includes a discharge hopper and a feed hopper, wherein the discharge hopper is installed at the bottom of the crushing box and the feed hopper is installed at the top of the crushing box.
[0008] Preferably, a first guide rail is fixedly installed at the bottom edge of the hopper, a first baffle is slidably inserted into the first guide rail, and a first connecting plate is fixedly installed at one end of the first baffle.
[0009] Preferably, a support plate is fixedly installed between the first bracket and the second bracket, and a first hydraulic rod is installed on the support plate, with the output end of the first hydraulic rod connected to the first connecting plate.
[0010] Preferably, a second guide rail is fixedly installed on the top edge of the feeding hopper, a second baffle is slidably inserted into the second guide rail, a second connecting plate is fixedly installed on one end of the second baffle, and a second hydraulic rod is installed on both sides of the feeding hopper, with the output end of the second hydraulic rod connected to the second connecting plate.
[0011] Preferably, the dust removal mechanism includes an industrial vacuum cleaner, a first suction pipe, and a second suction pipe. The industrial vacuum cleaner is mounted on a support plate, and the first suction pipe is connected to the industrial vacuum cleaner. The other end of the first suction pipe is connected to the side wall of the feed hopper, the side wall of the first suction pipe is connected to the second suction pipe, and the other end of the second suction pipe is connected to the side wall of the discharge hopper.
[0012] Preferably, the dust removal mechanism further includes a square tube, a connecting pipe, and a nozzle. The square tube is fixedly installed on the side wall of the feeding hopper, a connecting pipe is installed at one end of the square tube, and a nozzle is installed on the side wall of the square tube.
[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Beneficial effects
[0014] By installing protective and dust removal mechanisms on the construction waste crushing device, dust is first blocked inside through the closed feeding and unloading hoppers to prevent dust and debris from flying out. Then, a vacuum cleaner sucks up the floating dust inside, and finally, water is sprayed inside to suppress dust, preventing dust generated during the crushing of construction waste from flying out and affecting the surrounding environment and people's health. Attached Figure Description
[0015] Figure 1 A schematic diagram of a construction waste crushing device. Figure 1 ;
[0016] Figure 2 A schematic diagram of a construction waste crushing device. Figure 2 ;
[0017] Figure 3 Front view of a construction waste crushing device Figure 1 ;
[0018] Figure 4 Front view of a construction waste crushing device Figure 2 .
[0019] In the diagram: 1. First support; 11. Second support; 12. Crushing box; 13. Gear motor; 2. Protective mechanism; 21. Feed hopper; 22. First guide rail; 23. First baffle; 231. First connecting plate; 24. Support plate; 241. First hydraulic rod; 25. Feed hopper; 26. Limiting rod; 27. Second guide rail; 28. Second baffle; 281. Second connecting plate; 29. Second hydraulic rod; 3. Dust removal mechanism; 31. Industrial vacuum cleaner; 32. First suction pipe; 33. Second suction pipe; 34. Square tube; 35. Connecting pipe; 36. Nozzle. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0021] like Figures 1-4 ;
[0022] A construction waste crushing device includes a first support 1 and a second support 11. The second support 11 is fixedly installed inside the first support 1. A crushing box 12 is fixedly installed on the top of the second support 11. A crushing roller is rotatably installed inside the crushing box 12. A reduction motor 13 is installed on the first support 1. The output end of the reduction motor 13 is connected to the crushing roller. The reduction motor 13 drives the crushing roller to rotate, crushing the construction waste. Protective mechanisms 2 are provided at the upper and lower ends of the crushing box 12 to prevent dust and debris generated during the crushing process from flying out. A dust removal mechanism 3 is provided at the side end of the crushing box 12 to absorb the dust generated during the crushing process.
[0023] The protective mechanism 2 includes a discharge hopper 21 and an upper hopper 25. The discharge hopper 21 is installed at the bottom of the crushing box 12. After the crushing roller crushes the construction waste, it falls into the discharge hopper 21. The discharge hopper 21 first catches the construction waste and also shields it from dust. The upper hopper 25 is installed at the top of the crushing box 12. The upper hopper 25 is used to receive the construction waste entering the crushing box 12. A first guide rail 22 is fixedly installed on the bottom edge of the discharge hopper 21. The first guide rail 22 is used to support and guide the sliding of the first baffle 23. The first baffle 23 is inserted and used to support the construction waste in the hopper 21 and to shield and protect the dust in the hopper 21. The first baffle 23 does not detach from the first guide rail 22. A first connecting plate 231 is fixedly installed at one end of the first baffle 23. The first connecting plate 231 is used to connect the first hydraulic rod 241 and the first baffle 23. A support plate 24 is fixedly installed between the first bracket 1 and the second bracket 11. The support plate 24 is used to support the installation of the first hydraulic rod 241. A first... A hydraulic rod 241 is connected to a first connecting plate 231 at its output end. The first hydraulic rod 241 is used to push and pull the first baffle 23 to open and close the bottom of the lower hopper 21. A second guide rail 27 is fixedly installed on the top edge of the upper hopper 25. The second guide rail 27 is used to guide the movement of the second baffle 28. The second baffle 28 is slidably inserted into the second guide rail 27. The second baffle 28 is used to close the top of the upper hopper 25 to prevent dust and debris from flying out of the upper hopper 25. One end of the second baffle 28... A second connecting plate 281 is fixedly installed. The second connecting plate 281 is used to connect the second baffle 28 and the second hydraulic rod 29. The second hydraulic rod 29 is installed on both sides of the feeding hopper 25. The output end of the second hydraulic rod 29 is connected to the second connecting plate 281. The second hydraulic rod 29 is used to push, pull and slide the second baffle 28 to open and close the upper end of the feeding hopper 25. The second baffle 28 does not detach from the second guide rail 27, and closes the inside of the feeding hopper 25 and the unloading hopper 21 to prevent dust and debris generated by the crushing of construction waste from flying out.
[0024] Furthermore, the dust removal mechanism 3 includes an industrial vacuum cleaner 31, a first suction pipe 32, and a second suction pipe 33. The industrial vacuum cleaner 31 is mounted on the support plate 24. The industrial vacuum cleaner 31 is a GS-3078SA model manufactured by Shanghai Guanying Cleaning Products Co., Ltd. The industrial vacuum cleaner 31 is used to remove dust from the upper hopper 25 and the lower hopper 21. Since the structure and operating principle of the industrial vacuum cleaner 31 are existing technologies, their structure and operating principle will not be described in detail here. The first suction pipe 32 is connected to the industrial vacuum cleaner 31, and the other end of the first suction pipe 32 is connected to the side wall of the upper hopper 25. The side wall of the first suction pipe 32 is connected to the second suction pipe 33, and the other end of the second suction pipe 33 is connected to the side wall of the lower hopper 21. The industrial vacuum cleaner 31 is used for... The dust removal mechanism 3 also includes a square tube 34, a connecting pipe 35, and a nozzle 36. The square tube 34 is fixedly installed on the side wall of the upper hopper 25. The connecting pipe 35 is connected to the upper hopper 25 and the dust is sucked in through the first suction pipe 32. The opening of the first suction pipe 32 has a filter screen to prevent debris from clogging the first suction pipe 32. The second suction pipe 33 is connected to the lower hopper 21 and the dust is sucked in through the second suction pipe 33. The opening of the second suction pipe 33 has a filter screen to prevent debris from clogging the second suction pipe 33. The dust removal mechanism 3 also includes a square tube 34, a connecting pipe 35, and a nozzle 36. The square tube 34 is fixedly installed on the side wall of the upper hopper 25. The connecting pipe 35 is installed on one end of the square tube 34 and a water pump is connected to the outside of the water pipe to introduce water into the square tube 34. The nozzle 36 is installed on the side wall of the square tube 34 and water mist is sprayed into the upper hopper 25 through the nozzle 36 to reduce dust.
[0025] The working principle of this utility model is as follows: Construction waste is added into the feeding hopper 25, and then the second hydraulic rod 29 pulls and slides the second baffle 28, causing the second baffle 28 to cover the upper end of the feeding hopper 25 and close it. The reduction motor 13 drives the crushing roller in the crushing box 12 to rotate, and the crushing roller crushes the construction waste. After being crushed, the construction waste falls into the unloading hopper 21. The unloading hopper 21 first catches the construction waste and also blocks the dust inside, preventing dust and debris from flying out. The first suction pipe 32 is connected to the feeding hopper 25, and the dust is sucked in through the first suction pipe 32. The dust in the upper hopper 25 is sucked in by the second suction pipe 33 connected to the lower hopper 21. The dust sucked in by the first suction pipe 32 and the second suction pipe 33 enters the industrial vacuum cleaner 31. Finally, the connecting pipe 35 is connected to an external water pump through the water pipe to introduce water into the square pipe 34. Water mist is sprayed into the upper hopper 25 through the nozzle 36 to reduce dust. A receiving container is placed below the lower hopper 21. The first hydraulic rod 241 pulls the first baffle 23 to open the lower end of the lower hopper 21, and the crushed waste in the lower hopper 21 falls out.
[0026] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A construction waste crushing device, comprising a first support (1) and a second support (11), the second support (11) is fixedly installed on the inner side of the first support (1), the top of the second support (11) is fixedly installed with a crushing box (12), the crushing box (12) is rotatably provided with a crushing roller, a speed reducer motor (13) is installed on the first support (1), and the output end of the speed reducer motor (13) is connected with the crushing roller, characterized in that: The upper and lower ends of the crushing box (12) are provided with a protection mechanism (2), which can prevent dust and debris generated during crushing of construction waste from flying out; The side end of the crushing box (12) is provided with a dust removal mechanism (3), which can absorb the dust generated during crushing of construction waste; The protection mechanism (2) comprises a lower hopper (21) and an upper hopper (25), the lower hopper (21) is installed at the bottom of the crushing box (12), and the upper hopper (25) is installed at the top of the crushing box (12).
2. A construction waste crushing device according to claim 1, characterized in that: The bottom edge of the lower hopper (21) is fixedly installed with a first guide rail (22), the first guide rail (22) is slidably inserted with a first baffle (23), and one end of the first baffle (23) is fixedly installed with a first connecting plate (231).
3. A construction waste crushing device according to claim 2, characterised in that: The first support (1) and the second support (11) are fixedly installed with a support plate (24), the support plate (24) is installed with a first hydraulic rod (241), and the output end of the first hydraulic rod (241) is connected to the first connecting plate (231).
4. The construction waste crushing device of claim 1, wherein: The top edge of the upper hopper (25) is fixedly installed with a second guide rail (27), the second guide rail (27) is slidably inserted with a second baffle (28), one end of the second baffle (28) is fixedly installed with a second connecting plate (281), and both sides of the upper hopper (25) are installed with a second hydraulic rod (29), and the output end of the second hydraulic rod (29) is connected to the second connecting plate (281).
5. A construction waste crushing device according to claim 3, characterized in that: The dust removal mechanism (3) comprises an industrial dust collector (31), a first dust collection pipe (32) and a second dust collection pipe (33), the industrial dust collector (31) is installed on the support plate (24), the industrial dust collector (31) is connected with the first dust collection pipe (32), the other end of the first dust collection pipe (32) is connected to the side wall of the upper hopper (25), the side wall of the first dust collection pipe (32) is connected with the second dust collection pipe (33), and the other end of the second dust collection pipe (33) is connected to the side wall of the lower hopper (21).
6. A construction waste crushing device according to claim 5, characterised in that: The dust removal mechanism (3) further comprises a square tube (34), a connecting pipe (35) and a nozzle (36), the square tube (34) is fixedly installed on the side wall of the upper hopper (25), one end of the square tube (34) is installed with the connecting pipe (35), and the side wall of the square tube (34) is installed with the nozzle (36).