A negative pressure dust collection device for a construction site

Abstract

The utility model relates to the field of building construction technology, concretely is a kind of building construction site negative pressure dust collection device, including flatcar and dust extraction mechanism, the right side of flatcar is equipped with dust extraction mechanism, the left side of flatcar is equipped with processing mechanism, the processing mechanism is installed at the top of collection box, the collection box is installed at the left side of flatcar, the dust extraction mechanism drives processing mechanism to run, by installing dust extraction mechanism and processing mechanism on flatcar, by this design, it can be moved to any position by flatcar, improve the efficiency of dust extraction convenient and fast, by mounting bracket and lifting lug on flatcar, by this design, not only improve the protection ability, but also support crane etc. hoisting transfer, improve the applicability of device, by the collection box and negative pressure cylinder provided and more for larger capacity, to further reduce cleaning time, reduce labor cost.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically a negative pressure dust collection device for building construction sites. Background Technology

[0002] During the construction process, concrete cutting, wall grinding, base treatment before tile laying, stone processing, material handling and stacking, etc., generate a lot of dust. This dust not only poses a direct threat to the health of construction workers—long-term inhalation can easily cause respiratory diseases such as pneumoconiosis and bronchitis—but also causes many other negative effects. According to CN218027415U, a negative pressure dust collection air path device includes a dust collection box, a material pushing subsystem at one end of the dust collection box, a volute dust removal subsystem at the top of the dust collection box, the volute dust removal subsystem being connected to the inside of the dust collection box through a dust discharge port, the dust discharge port being equipped with an airlock unloading device, the air outlet of the volute dust removal subsystem being connected to the air inlet of the fan subsystem, the air inlet of the volute dust removal subsystem being connected to a cleaning device through a pipe, and the air outlet of the fan subsystem being connected to a jet dust removal pipe. The negative pressure dust collection system is installed on sanitation vehicles. The fan subsystem provides negative pressure power to suck dust from the road into the volute dust collection subsystem for separation. The dust falls into the dust collection box of the sweeper, and the pushing subsystem moves the dust to fully fill the dust collection box. However, the existing device uses a fixed base design, which requires the use of forklifts or cranes for transportation. It cannot be dynamically moved with the construction site (such as the frequent changes in dust collection position required for wall grinding operations), resulting in poor adaptability. At the same time, it has high maintenance costs. The filter bags are easily clogged by cement and sand particles contained in the dust at the construction site, requiring frequent disassembly, cleaning or replacement. This not only increases labor costs, but also affects the construction progress due to equipment downtime. Therefore, there is an urgent need to design a negative pressure dust collection device for construction sites to solve the above problems. Summary of the Invention

[0003] The purpose of this utility model is to provide a negative pressure dust collection device for construction sites, in order to solve the problems mentioned in the background art, which adopt a fixed base design, require the use of forklifts or cranes for transportation, cannot be dynamically moved with the construction site (such as the need to frequently change the dust collection position for wall grinding operations), have poor adaptability, and have high maintenance costs. The filter bags are easily clogged by cement and sand particles contained in the dust at the construction site, requiring frequent disassembly, cleaning or replacement, which not only increases labor costs, but also affects the construction progress due to equipment downtime.

[0004] To achieve the above objectives, this utility model provides the following technical solution: it includes a cart and a dust collection mechanism. The dust collection mechanism is installed on the right side of the cart, and a processing mechanism is installed on the left side of the cart. The processing mechanism is installed on the top of a collection box, and the collection box is installed on the left side of the cart. The dust collection mechanism drives the processing mechanism to operate.

[0005] Preferably, the top of the flatbed cart is fixedly provided with a mounting frame, the top of the mounting frame is fixedly provided with a lifting lug for easy hoisting, and the left end of the mounting frame is fixedly provided with a fixing plate.

[0006] Preferably, the vacuuming mechanism includes a negative pressure cylinder and a vacuuming component, wherein the vacuuming component is installed inside the negative pressure cylinder, and a processing mechanism is connected to the top left side of the negative pressure cylinder.

[0007] Preferably, a fixed circular plate is fixed to the top of the negative pressure cylinder, a dust suction device is installed at the center of the fixed circular plate, and a connecting pipe is provided on the left side of the top of the negative pressure cylinder.

[0008] Preferably, the dust collection component includes a filter cartridge and a sealing disc. The filter cartridge is installed in the center of the negative pressure cylinder, and the sealing disc is fixed on the upper side of the inside of the filter cartridge. A wave vacuum pump is installed in the center of the sealing disc.

[0009] Preferably, the processing mechanism includes a separation cylinder and a fixing frame, wherein the fixing frame is fixedly mounted at the center of the separation cylinder and the fixing frame is fixedly mounted at the top of the collection box.

[0010] Preferably, the separating cylinder includes a conical hopper and a sealing plate. The sealing plate is fixed at the top of the conical hopper. An air inlet pipe is installed on the inner left wall of the conical hopper. The left end of the air inlet pipe extends through the fixing plate to the left side. A central pipe is fixed at the center of the sealing plate. The top end of the central pipe is connected to the connecting pipe on the right side. The bottom end of the central pipe extends to the bottom center of the conical hopper. The fixing frame includes a fixing ring block and supporting legs. The fixing ring block is fixed at the center of the outer wall of the conical hopper. Four sets of supporting legs are fixed on the side of the fixing ring block.

[0011] Preferably, the collection box has a discharge port at the top of its interior, the inner wall of the discharge port is sealed with the bottom of a conical hopper, and the collection box has a drawer inside.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This negative pressure dust collection device for construction sites features a dust collection and processing mechanism mounted on a flatbed cart. This design allows the device to be moved to any location, improving dust collection efficiency and providing convenience. The cart is equipped with a frame and lifting lugs, which not only enhances protection but also supports lifting and transfer by cranes, increasing the device's versatility. The large-capacity collection boxes and negative pressure cylinders further reduce cleaning time and labor costs.

[0013] This negative pressure dust collection device for construction sites uses a wave vacuum pump to work inside the negative pressure cylinder, thereby reducing the air pressure and facilitating the dust collection mechanism to extract dust. This improves the working environment for construction workers and avoids health hazards. The conical hopper also facilitates the separation of extracted dust, debris, and fine particles, thus better managing the air environment. Attached Figure Description

[0014] Figure 1 This is a side view of the present invention; Figure 2 This is a partial frontal view of the present invention; Figure 3 This is a partial bottom view of the moving mechanism of this utility model; Figure 4 This is a schematic diagram of the storage box structure of this utility model; Figure 5 This is a schematic diagram of the storage box structure of this utility model.

[0015] In the diagram: 1. Cart; 11. Mounting frame; 111. Fixing plate; 12. Lifting lug; 2. Dust collection mechanism; 21. Negative pressure cylinder; 211. Connecting pipe; 212. Fixing circular plate; 22. Dust collection component; 221. Filter cylinder; 222. Sealing circular plate; 223. Wave vacuum pump; 3. Processing mechanism; 31. Separation cylinder; 311. Conical hopper; 312. Air inlet pipe; 313. Sealing plate; 314. Central tube; 32. Fixing frame; 321. Fixing ring block; 322. Support leg; 4. Collection box; 41. Discharge port; 42. Drawer box. Detailed Implementation

[0016] 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.

[0017] Please see Figures 1-5 An embodiment of this utility model includes a cart 1 and a dust collection mechanism 2. The dust collection mechanism 2 is installed on the right side of the cart 1, and a processing mechanism 3 is installed on the left side of the cart 1. The processing mechanism 3 is installed on the top of a collection box 4, and the collection box 4 is installed on the left side of the cart 1. The dust collection mechanism 2 drives the processing mechanism 3 to operate.

[0018] As a further feature of this utility model, a mounting frame 11 is fixedly provided at the top of the cart 1, and a lifting lug 12 is fixedly provided at the top of the mounting frame 11 for easy hoisting. A fixing plate 111 is fixedly provided at the left end of the mounting frame 11 to facilitate the movement of the cart and facilitate subsequent dust collection.

[0019] Furthermore, the vacuuming mechanism 2 includes a negative pressure cylinder 21 and a vacuuming component 22. The vacuuming component 22 is installed inside the negative pressure cylinder 21. The processing mechanism 3 is connected to the top left of the negative pressure cylinder 21. A fixed circular plate 212 is fixedly provided at the top of the negative pressure cylinder 21. The vacuuming component 22 is installed at the center of the fixed circular plate 212. A connecting pipe 211 is provided on the top left of the negative pressure cylinder 21. The vacuuming component 22 includes a filter cylinder 221 and a sealing circular plate 222. The filter cylinder 221 is installed in the center inside the negative pressure cylinder 21. A sealing circular plate 222 is fixedly provided on the upper side inside the filter cylinder 221. A wave vacuum pump 223 is installed at the center of the sealing circular plate 222, which facilitates the operation of the gear mechanism and also facilitates the filtration of air containing fine particles, thereby improving the air environment.

[0020] As a further improvement of this utility model, the processing mechanism 3 includes a separating cylinder 31 and a fixing frame 32. The fixing frame 32 is fixedly mounted at the center of the separating cylinder 31 and is fixedly mounted at the top of the collecting box 4. The separating cylinder 31 includes a conical hopper 311 and a sealing plate 313. The sealing plate 313 is fixedly mounted at the top of the conical hopper 311. An air inlet pipe 312 is installed on the left inner wall of the conical hopper 311. The left end of the air inlet pipe 312 extends through the fixing plate 111 to the left side. A central pipe 314 is fixedly mounted at the center of the sealing plate 313. The top end of the central pipe 314 is connected to the right side. The bottom end of the connecting pipe 211 and the central pipe 314 extends to the center bottom side of the conical bucket 311. The fixing frame 32 includes a fixing ring block 321 and a support leg 322. The fixing ring block 321 is fixed to the center of the outer wall of the conical bucket 311. Four sets of support legs 322 are fixed to the side of the fixing ring block 321. The top of the inside of the collection box 4 has a discharge port 41. The inner wall of the discharge port 41 is sealed and fixed to the bottom end of the conical bucket 311. The inside of the collection box 4 is equipped with a drawer 42. This design facilitates the separation of the collected dust, which is convenient for subsequent processing and thus improves the construction environment.

[0021] Working principle: In use, simply push the trolley 1 or use a crane to transport it to the designated position via the lifting lug 12 at the top of the mounting frame 11. Then, power on and start the wave vacuum pump 223 to reduce the pressure of the negative pressure cylinder 21 on the bottom side. After the pressure is reduced, atmospheric pressure can be pumped through the air inlet pipe 312 on the left side to achieve the purpose of dust collection. When dust collection is performed, the gas containing large particles and debris is transported to the conical bucket 311 and rotates and falls inside. Large particles and debris fall into the collection box 4 connected to the bottom side, while the remaining gas and small particles are transported to the negative pressure cylinder 21 through the central pipe 314 and the connecting pipe 211. Then, the air is filtered by the filter cylinder 221 and collected in the center, and then discharged by the wave vacuum pump 223. When there is a lot of waste, simply pull open the drawer 42 to clean it. This is the complete working principle of this utility model.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A negative pressure dust collection device for construction sites, comprising a trolley (1) and a dust collection mechanism (2), characterized in that: A dust collection mechanism (2) is installed on the right side of the cart (1), and a processing mechanism (3) is installed on the left side of the cart (1). The processing mechanism (3) is installed on the top of the collection box (4), and the collection box (4) is installed on the left side of the cart (1). The dust collection mechanism (2) drives the processing mechanism (3) to operate.

2. The negative pressure dust collection device for construction sites according to claim 1, characterized in that: The top of the flatbed cart (1) is fixed with a mounting frame (11), and the top of the mounting frame (11) is fixed with a lifting lug (12) for easy hoisting. The left end of the mounting frame (11) is fixed with a fixing plate (111).

3. The negative pressure dust collection device for construction sites according to claim 1, characterized in that: The vacuuming mechanism (2) includes a negative pressure cylinder (21) and a vacuuming component (22). The vacuuming component (22) is installed inside the negative pressure cylinder (21), and the processing mechanism (3) is connected to the top left of the negative pressure cylinder (21).

4. A negative pressure dust collection device for construction sites according to claim 3, characterized in that: The top of the negative pressure cylinder (21) is fixed with a fixed circular plate (212), and a dust collection device (22) is installed in the center of the fixed circular plate (212). A connecting pipe (211) is provided on the left side of the top of the negative pressure cylinder (21).

5. A negative pressure dust collection device for construction sites according to claim 3, characterized in that: The dust collection component (22) includes a filter cartridge (221) and a sealing disc (222). The filter cartridge (221) is installed in the center of the negative pressure cylinder (21). The sealing disc (222) is fixed on the upper side of the inside of the filter cartridge (221). A wave vacuum pump (223) is installed in the center of the sealing disc (222).

6. A negative pressure dust collection device for construction sites according to claim 1, characterized in that: The processing mechanism (3) includes a separation cylinder (31) and a fixing frame (32). The fixing frame (32) is fixed at the center of the separation cylinder (31) and the fixing frame (32) is fixed at the top of the collection box (4).

7. A negative pressure dust collection device for construction sites according to claim 6, characterized in that: The separating cylinder (31) includes a conical bucket (311) and a sealing plate (313). The top of the conical bucket (311) is fixed with the sealing plate (313). An air inlet pipe (312) is installed on the inner left wall of the conical bucket (311). The left end of the air inlet pipe (312) extends through the fixing plate (111) to the left side. A central pipe (314) is fixed in the center of the sealing plate (313). The top end of the central pipe (314) is connected to the connecting pipe (211) on the right side. The bottom end of the central pipe (314) extends to the bottom center of the conical bucket (311). The fixing frame (32) includes a fixing ring block (321) and support legs (322). The fixing ring block (321) is fixed in the center of the outer wall of the conical bucket (311). Four sets of support legs (322) are fixed on the side of the fixing ring block (321).

8. A negative pressure dust collection device for construction sites according to claim 1, characterized in that: The collection box (4) has a discharge port (41) at the top inside. The bottom end of the conical bucket (311) is sealed and fixed on the inner wall of the discharge port (41). The collection box (4) has a drawer (42) inside.

Images