Dust falling device for construction site

Abstract

The utility model discloses a dust falling device for a construction site, and particularly relates to the technical field of building construction dust falling, the dust falling device comprises a cart, the cart comprises a bottom plate, a push handle is fixedly connected to the rear side of the upper end of the bottom plate, universal wheels are fixedly connected to the four corners of the lower end of the bottom plate, and a height adjusting assembly is fixedly connected to the middle of the upper end of the bottom plate. A dust falling assembly is fixedly connected to the upper end of the height adjusting assembly, a water storage tank is fixedly connected to the rear side of the upper end of the bottom plate, and a water pump is fixedly connected to the upper end of the water storage tank. According to the dust falling device for the construction site, the height of the device can be adjusted according to the environment of the construction site through the arrangement of the height adjusting assembly, so that the dust falling device can be more accurately aligned with a dust generation source for dust falling, and the dust falling efficiency is improved; the spraying mechanism, the fan and the like are arranged, so that fine fog drops generated by a spraying part can be quickly blown away to a wider area, the fog drops can cover the whole dust falling area more uniformly, and the dust falling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust reduction in building construction, in particular to a dust reduction device used in a construction site. Background Art

[0002] With the acceleration of urbanization, construction sites have become an important part of urban development. However, the dust pollution problem generated during the construction process is becoming increasingly serious, which not only affects the air quality, but also poses a threat to human health. Dust pollution will increase the concentration of PM2.5, PM10 and other particulate matter in the air, and increase the risk of respiratory diseases. At the same time, these dusts will drift into the air and pollute the urban environment. Dust reduction measures can significantly reduce the degree of dust pollution. Traditional dust reduction methods mainly include sprinkling water to reduce dust, fencing and closing, hardening treatment, etc.

[0003] Chinese patent announcement No. CN216304541U discloses a construction road dust reduction device, which includes a base plate and a water tank, the water tank is fixed on the base plate, the spray device is connected to the water tank, the rotating gear is fixed on the base plate, the rotating shaft of the rotating gear is arranged on the base plate and the two are perpendicular to each other, and a turntable is fixedly arranged on the rotating gear, a support plate is arranged on the turntable for supporting and fixing the spray device, the axis of the support plate coincides with the axis of the rotating gear, a driving part is arranged on the base plate, an active gear meshing with the rotating gear is fixed on the driving part, and the active gear can rotate the spray device. The construction road dust reduction device in the above document uses a spray device with variable angle to cover most of the dust with water mist, which is beneficial to the rapid dust reduction of the construction road and reduces the amount of dust absorbed by construction personnel during road construction.

[0004] Although the equipment in the above-mentioned document can adjust the angle of the spray device to expand the dust reduction range, it cannot adjust the height of the equipment, the spraying range is limited, and it cannot adapt to different construction environments and requirements. Utility Model Content

[0005] The main purpose of the utility model is to provide a dust suppression device for use on a construction site, which can effectively solve the problem that the height of the dust suppression device for use on a construction site cannot be adjusted.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A dust suppression device for a construction site comprises a cart, the cart comprising a bottom plate, a push handle is fixedly connected to the rear side of the upper end of the bottom plate, universal wheels are fixedly connected to the four corners of the lower end of the bottom plate, a height adjustment component is fixedly connected to the middle of the upper end of the bottom plate, a dust suppression component is fixedly connected to the upper end of the height adjustment component, a water storage tank is fixedly connected to the rear side of the upper end of the bottom plate, and a water pump is fixedly connected to the upper end of the water storage tank;

[0008] The height adjustment assembly comprises two lifting parts fixedly connected to the left side and the right side of the upper end of the bottom plate, the front side of the upper end of the bottom plate is rotatably connected to a hydraulic rod, the middle parts of the ends of the two lifting parts close to each other are rotatably connected to a connecting rod, the upper ends of the two lifting parts are fixedly connected to a support plate, and the connecting head part of the hydraulic rod is fixedly connected to the connecting rod;

[0009] The dust reduction assembly includes two support columns fixedly connected to the right side of the upper end and the left side of the upper end of the support plate, and the ends of the two support columns close to each other are rotatably connected to a spraying mechanism, the outer end of one of the support columns is rotatably connected to a driven bevel gear, the lower side of the driven bevel gear is meshed with an active bevel gear, the lower end of the active bevel gear is fixedly connected to a rotating rod, the lower end of the support plate is fixedly connected to a stepping motor, and the lower end of the rotating rod passes through the support plate and is fixedly connected to the output end of the stepping motor through a coupling.

[0010] Preferably, the lifting part includes a lower support fixedly connected to the upper end of the base plate, one end of the two vertical parts of the lower support close to each other is commonly fixedly connected to a lower slide bar, the outer surface of the lower slide bar is slidably connected to a lower slider, the lower end of the support plate is fixedly connected to an upper support, one end of the two vertical parts of the upper support close to each other is commonly fixedly connected to an upper slide bar, the outer surface of the upper slide bar is slidably connected to an upper slider, the lower support and the lower slider are commonly rotatably connected to a scissors frame, and the upper side of the scissors frame is rotatably connected to both the upper support and the upper slider.

[0011] Preferably, the spraying mechanism comprises a cavity in which two ends of the two support columns close to each other are rotatably connected together, a fan is fixedly connected to the rear side of the inner surface of the cavity, a water pipe 1 is fixedly connected to the front side of the inner surface of the support column, a plurality of atomizing nozzles distributed in a circular array are fixedly connected to the front end of the water pipe 1, and a water pipe 2 is fixedly connected to the lower side of the rear end of the water pipe 1.

[0012] Preferably, the plurality of atomizing nozzles are communicated with the inner cavity of the water pipe one, and the water pipe one is communicated with the inner cavity of the water pipe two.

[0013] Preferably, the water pipe 2 is fixedly connected to the water outlet portion of the water pump, and the water inlet portion of the water pump is fixedly connected to the water storage tank and the inner cavities thereof are communicated.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model discloses the height adjustment component is provided, and the height of the device can be adjusted according to the environment of the construction site, so that it can be more accurately aimed at the source or height of dust generation, and dust is reduced at the root of dust generation, thereby reducing the probability of dust spreading outward, improving the dust reduction efficiency, reducing the waste in the dust reduction process, and improving the construction environment.

[0016] The utility model can quickly disperse the fine mist droplets generated by the spraying part to a wider area by arranging a spraying mechanism, a fan, etc., which helps the mist droplets to cover the entire dust reduction area more evenly. The wind force also promotes the diffusion of gas molecules and the introduction of fresh air, thereby improving the dust reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the height adjustment component structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the lifting part structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the dust reduction component of the utility model;

[0021] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the spraying mechanism of the utility model.

[0022] In the figure: 1. cart; 11. bottom plate; 12. push handle; 13. universal wheel; 2. height adjustment assembly; 21. lifting part; 211. lower support; 212. lower slide bar; 213. lower slider; 214. scissor frame; 215. upper support; 216. upper slide bar; 217. upper slider; 22. hydraulic rod; 23. connecting rod; 24. support plate; 3. dust suppression assembly; 31. support column; 32. spraying mechanism; 321. cavity; 322. fan; 323. water pipe 1; 324. atomizing nozzle; 325. water pipe 2; 33. driven bevel gear; 34. driving bevel gear; 35. rotating rod; 36. stepping motor; 4. water tank; 5. water pump. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1 , Figure 2 and Figure 4As shown, the cart 1 includes a bottom plate 11, a push handle 12 is fixedly connected to the rear side of the upper end of the bottom plate 11, universal wheels 13 are fixedly connected to the four corners of the lower end of the bottom plate 11, a height adjustment component 2 is fixedly connected to the middle of the upper end of the bottom plate 11, a dust suppression component 3 is fixedly connected to the upper end of the height adjustment component 2, a water storage tank 4 is fixedly connected to the rear side of the upper end of the bottom plate 11, and a water pump 5 is fixedly connected to the upper end of the water storage tank 4;

[0025] The height adjustment assembly 2 includes two lifting parts 21 fixedly connected to the left and right sides of the upper end of the bottom plate 11, a hydraulic rod 22 is rotatably connected to the front side of the upper end of the bottom plate 11, and a connecting rod 23 is rotatably connected to the middle of one end of the two lifting parts 21 close to each other, a support plate 24 is fixedly connected to the upper ends of the two lifting parts 21, and a connecting head part of the hydraulic rod 22 is fixedly connected to the connecting rod 23;

[0026] The dust suppression assembly 3 includes two support columns 31 fixedly connected to the right and left sides of the upper end of the support plate 24, and the ends of the two support columns 31 close to each other are rotatably connected to a spraying mechanism 32, and the outer end of one of the support columns 31 is rotatably connected to a driven bevel gear 33, and the lower side of the driven bevel gear 33 is meshed with an active bevel gear 34, and the lower end of the active bevel gear 34 is fixedly connected to a rotating rod 35, and the lower end of the support plate 24 is fixedly connected to a stepping motor 36, and the lower end of the rotating rod 35 penetrates the support plate 24 and is fixedly connected to the output end of the stepping motor 36 through a coupling;

[0027] A control mechanism used in the prior art to control the stepper motor 36 is installed at the upper end of the base plate 11. The stepper motor is an electric motor that converts an electrical pulse signal into a corresponding angular displacement or linear displacement. The direction, speed and rotation angle of the stepper motor are controlled by controlling the sequence, frequency and number of electrical pulses applied to the motor coil. Closed-loop control can be achieved by adding feedback devices such as encoders to the stepper motor system. The closed-loop control system can monitor the position of the load and apply appropriate feedback force when necessary to achieve a self-locking function. When the spraying mechanism 32 rotates to an appropriate angle, the stepper motor 36 is locked by the control mechanism installed at the upper end of the base plate 11 to prevent the spraying mechanism 32 from continuing to rotate.

[0028] like Figure 3 As shown, the lifting part 21 includes a lower support 211 fixedly connected to the upper end of the base plate 11, one end of the two vertical parts of the lower support 211 close to each other is commonly fixedly connected to a lower slide bar 212, and the outer surface of the lower slide bar 212 is slidably connected to a lower slider 213, the lower end of the support plate 24 is fixedly connected to an upper support 215, one end of the two vertical parts of the upper support 215 close to each other is commonly fixedly connected to an upper slider 216, and the outer surface of the upper slider 216 is slidably connected to an upper slider 217, the lower support 211 and the lower slider 213 are commonly rotatably connected to a scissors frame 214, and the upper side of the scissors frame 214 is rotatably connected to the upper support 215 and the upper slider 217.

[0029] In actual use of the device, the device is pushed to the construction site by the cart 1, and the connecting rod 23 is pushed by the hydraulic rod 22, driving the lower slider 213 and the upper slider 217 to slide on the lower slider 212 and the upper slider 216 respectively, driving the scissor frame 214 to extend and retract, thereby changing the height of the device;

[0030] The dust situation at the construction site may change due to various factors such as weather, construction progress, and construction methods. By adjusting the height of the dust suppression device, the spray height can be flexibly adjusted according to different dust conditions to adapt to different construction scenarios and needs;

[0031] By adjusting the height of the dust suppression device, it can be more accurately aimed at the source or height of dust generation, so as to suppress dust at the root of dust generation, reduce the probability of dust spreading outward, improve dust suppression efficiency, and reduce waste in the dust suppression process;

[0032] By precisely controlling the spray height, waste can be avoided and water resources can be used more rationally. Compared with traditional water sprinkling and dust reduction methods, the height-adjustable dust reduction device has obvious advantages in water saving.

[0033] like Figure 5 As shown, the spraying mechanism 32 includes a cavity 321 connected to two ends of two support columns 31 that are close to each other and rotated together, a fan 322 is fixedly connected to the rear side of the inner surface of the cavity 321, a water pipe 1 323 is fixedly connected to the front side of the inner surface of the support column 31, a plurality of atomizing nozzles 324 distributed in a circular array are fixedly connected to the front end of the water pipe 1 323, and a water pipe 2 325 is fixedly connected to the lower side of the rear end of the water pipe 1 323;

[0034] A plurality of atomizing nozzles 324 are all connected to the inner cavity of water pipe 1 323, and water pipe 1 323 is connected to the inner cavity of water pipe 2 325;

[0035] The water pipe 2 325 is fixedly connected to the water outlet of the water pump 5, and the water inlet of the water pump 5 is fixedly connected to the water storage tank 4 and the inner cavity is communicated with each other. The joints are sealed in the prior art to ensure the sealing of the connection;

[0036] The atomizing nozzle 324 is a prior art device that uses pressure difference or mechanical force to disperse water flow into tiny droplets and spray them out. Through the special design of the nozzle or additional devices such as ultrasonic vibration, air compression, etc., the water flow is refined into mist particles, and fine water mist particles are sprayed, so that dust particles in the air are combined with the water mist particles and settled on the ground, thereby achieving the effect of dust reduction;

[0037] In the actual use of the device, the water in the water tank 4 is pumped out by the water pump 5, and then the water is transported to the water pipe 1 323 through the water pipe 2 325, and finally the water mist is sprayed out through the atomizing nozzle 324 to reduce dust on the construction site. When the spraying angle needs to be adjusted, the rotating rod 35 can be driven to rotate by the stepping motor 36, and the rotating rod 35 drives the active bevel gear 34 and the driven bevel gear 33 to rotate, thereby driving the 321 cavity and the 324 atomizing nozzle to rotate, so as to adjust the spraying angle;

[0038] By adjusting the spray angle of the dust suppression device, the dust suppression range can be expanded, ineffective spraying or collection can be reduced, thereby improving the dust suppression efficiency;

[0039] The fan 322 provided on the rear side of the atomizing nozzle 324 can quickly disperse the fine mist droplets generated by the spraying part to a wider area through its powerful wind force, which helps the mist droplets to cover the entire dust reduction area more evenly and improve the dust reduction effect. The airflow generated by the fan 322 can also promote the diffusion of gas molecules, which helps to discharge the polluted air in the dust reduction area and introduce fresh air to improve the air quality.

[0040] It should be noted that the specific installation methods of the hydraulic rod 22, fan 322, stepper motor 36, and water pump 5 used in the present invention, as well as the circuit connection methods and control methods are all conventional designs and will not be elaborated in detail in the present invention.

[0041] The working principle of the utility model is as follows: first, the device is pushed to the construction site by the cart 1, and the connecting rod 23 is pushed by the hydraulic rod 22 to drive the lower slider 213 and the upper slider 217 to slide on the lower slider 212 and the upper slider 216 respectively, thereby driving the extension and retraction of the scissor frame 214, thereby changing the height of the device, adjusting the height adjustment component 2 to a suitable height, and pumping the water in the water tank 4 by the water pump 5, and then transporting the water to the water pipe 1 323 through the water pipe 2 325, and finally spraying the water mist through the atomizing nozzle 324 to reduce dust on the construction site. When the spraying angle needs to be adjusted, the rotating rod 35 can be driven to rotate by the stepping motor 36, and the rotating rod 35 drives the active bevel gear 34 and the driven bevel gear 33 to rotate, thereby driving the 321 cavity and the 324 atomizing nozzle to rotate, so as to adjust the spraying angle.

[0042] 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 dust suppression device for use at a construction site, comprising a cart (1), characterized in that: The cart (1) comprises a bottom plate (11), a push handle (12) is fixedly connected to the rear side of the upper end of the bottom plate (11), universal wheels (13) are fixedly connected to the four corners of the lower end of the bottom plate (11), a height adjustment component (2) is fixedly connected to the middle of the upper end of the bottom plate (11), a dust suppression component (3) is fixedly connected to the upper end of the height adjustment component (2), a water tank (4) is fixedly connected to the rear side of the upper end of the bottom plate (11), and a water pump (5) is fixedly connected to the upper end of the water tank (4); The height adjustment assembly (2) comprises two lifting parts (21) fixedly connected to the left and right sides of the upper end of the base plate (11); a hydraulic rod (22) is rotatably connected to the front side of the upper end of the base plate (11); a connecting rod (23) is rotatably connected to the middle parts of the ends of the two lifting parts (21) close to each other; a support plate (24) is fixedly connected to the upper ends of the two lifting parts (21); and a connecting head part of the hydraulic rod (22) is fixedly connected to the connecting rod (23); The dust suppression component (3) comprises two support columns (31) fixedly connected to the right side and the left side of the upper end of the support plate (24); the ends of the two support columns (31) close to each other are rotatably connected to a spraying mechanism (32); the outer end of one of the support columns (31) is rotatably connected to a driven bevel gear (33); the lower side of the driven bevel gear (33) is meshed with a driving bevel gear (34); the lower end of the driving bevel gear (34) is fixedly connected to a rotating rod (35); the lower end of the support plate (24) is fixedly connected to a stepping motor (36); the lower end of the rotating rod (35) passes through the support plate (24) and is fixedly connected to the output end of the stepping motor (36) via a coupling.

2. A dust suppression device for construction sites according to claim 1, characterized in that: The lifting part (21) comprises a lower support (211) fixedly connected to the upper end of the bottom plate (11); one end of the two vertical parts of the lower support (211) close to each other is fixedly connected to a lower slide bar (212); the outer surface of the lower slide bar (212) is slidably connected to a lower slider (213); the lower end of the support plate (24) is fixedly connected to an upper support (215); one end of the two vertical parts of the upper support (215) close to each other is fixedly connected to an upper slider (216); the outer surface of the upper slider (216) is slidably connected to an upper slider (217); the lower support (211) and the lower slider (213) are rotatably connected to a scissors frame (214); the upper side of the scissors frame (214) is rotatably connected to both the upper support (215) and the upper slider (217).

3. A dust suppression device for construction sites according to claim 1, characterized in that: The spraying mechanism (32) comprises a cavity (321) connected to each other by rotation at one end of two support columns (31) close to each other, a fan (322) being fixedly connected to the rear side of the inner surface of the cavity (321), a water pipe 1 (323) being fixedly connected to the front side of the inner surface of the support column (31), a plurality of atomizing nozzles (324) distributed in a circular array being fixedly connected to the front end of the water pipe 1 (323), and a water pipe 2 (325) being fixedly connected to the lower side of the rear end of the water pipe 1 (323).

4. A dust suppression device for construction sites according to claim 3, characterized in that: The plurality of atomizing nozzles (324) are in communication with the inner cavity of the first water pipe (323), and the first water pipe (323) is in communication with the inner cavity of the second water pipe (325).

5. A dust suppression device for construction sites according to claim 3, characterized in that: The second water pipe (325) is fixedly connected to the water outlet portion of the water pump (5), and the water inlet portion of the water pump (5) is fixedly connected to the water storage tank (4) and the inner cavities thereof are in communication.

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