Small-range dust falling device for construction site

Abstract

The utility model relates to the technical field of dust falling devices, in particular to a small-range dust falling device for a construction site, which comprises a bottom plate, a water storage barrel, a lifting component and a water pump are arranged at the top of the bottom plate, a liquid spraying component is arranged at the top of the lifting component and comprises a U-shaped seat, and a rectangular fixing pipe is rotatably connected in the U-shaped seat. A worm gear is arranged at the rear end of the rotating shaft of the rectangular fixing pipe; a fan and a nozzle are arranged in the rectangular fixing pipe. According to the small-range dust falling device for the construction site, the height of a liquid spraying assembly is adjusted through a lifting assembly, a worm drives a worm wheel to rotate, the worm wheel drives a rectangular fixing pipe to rotate, and therefore the pitching angle of the rectangular fixing pipe is adjusted, water in a water storage barrel is pumped out through a water pump and conveyed into a liquid inlet connecting pipe through a liquid conveying hose, and finally the water is sprayed out from a spraying head; the fan generates airflow, water mist sprayed out of the spray head is quickly blown out of the rectangular fixing pipe, the water mist range is enlarged, and small-range dust falling of the construction site is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of dust suppression devices, in particular to a small-scale dust suppression device for construction sites. Background Art

[0002] A large amount of dust is generated during construction operations on construction sites. In order to reduce the pollution caused by dust to the surrounding environment, corresponding small-scale dust reduction devices are usually used on construction sites.

[0003] The patent with the publication number CN219682072U discloses a small-scale dust suppression device for construction sites, including a bottom plate, a water storage tank is fixedly installed on the upper surface of the bottom plate, a threaded pipe connected to the inside of the water storage tank is fixedly installed on the top plate of the water storage tank, a spray dust suppression device is arranged on the bottom plate, and the spray dust suppression device includes a booster pump fixedly installed on the bottom plate, a first hose is fixedly installed on the water inlet end pipe body of the booster pump, a hard pipe is fixedly installed on the end of the first hose, a second hose is fixedly installed on the end of the hard pipe, the second hose is inserted into the threaded pipe, a flange is fixedly installed on the pipe body of the second hose near the end thereof, a water outlet pipe is fixedly installed on the water outlet end pipe body of the booster pump, and a nozzle is threadedly connected on the end pipe body of the water outlet pipe. The utility model is convenient to be fixed on a pipeline or directly inserted into a water tank for water delivery operation, is convenient to use, and brings convenience to users.

[0004] In the specific use process of the above-mentioned prior art, a booster pump is used to transport water to the nozzle for spraying and dust reduction operation, and a waterproof motor is used to drive the fan to rotate, so that the water sprayed from the nozzle can be blown out more smoothly. However, since the nozzle is installed on the water outlet pipe, the height of the water outlet pipe is fixed, and the position of the blowing component is also fixed, the generated water mist can only move in a fixed direction at a fixed height, which is inconvenient for the staff to adjust the position of the nozzle according to their needs. There are certain usage defects. In view of this, we propose a small-scale dust reduction device for construction sites. Utility Model Content

[0005] The utility model aims to provide a small-scale dust reduction device for a construction site to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A small-scale dust suppression device for a construction site comprises a bottom plate, a water storage bucket is provided on the top of the bottom plate for storing water, a lifting assembly and a water pump are provided on the top of the bottom plate and near the right side, the lifting assembly comprises a rectangular vertical pipe fixedly connected to the top of the bottom plate, a rectangular support rod which can be adjusted up and down is provided in the rectangular vertical pipe, a liquid spraying assembly is provided on the top of the rectangular support rod, and the height of the liquid spraying assembly is adjusted by the lifting assembly;

[0008] The liquid spraying assembly comprises a U-shaped seat fixedly connected to the top of the rectangular support rod, a rectangular fixed tube is rotatably connected between the front and rear sides of the inner wall of the U-shaped seat, a worm gear is provided at the rear end of the rotating shaft of the rectangular fixed tube, a U-shaped solid block is provided at the rear side of the U-shaped seat, a worm gear meshing with the worm gear is rotatably connected between the left and right sides of the inner wall of the U-shaped solid block, the worm gear is driven to rotate by the worm gear, and the worm gear drives the rectangular fixed tube to rotate, thereby adjusting the pitch angle of the rectangular fixed tube;

[0009] A fan and a nozzle are arranged in the rectangular fixed tube, the nozzle is located on the right side of the fan output end, a liquid inlet connecting pipe is arranged on the nozzle, the front end of the liquid inlet connecting pipe passes through the inner wall of the rectangular fixed tube to the outside, the input end of the water pump is connected with the water storage barrel through the liquid extraction pipe, the output end of the water pump is connected with the liquid inlet connecting pipe through the liquid delivery hose, the water pump draws out the water in the water storage barrel and transports it to the liquid inlet connecting pipe through the liquid delivery hose, and finally sprays it out from the nozzle, the fan generates airflow, blows the water mist sprayed from the nozzle out of the rectangular fixed tube quickly, and expands the range of the water mist, which is beneficial to small-scale dust reduction at construction sites.

[0010] Preferably, four universal wheels with brakes arranged in a matrix are provided at the bottom of the base plate, and a push rod is provided at the top of the base plate near the left side to facilitate staff to move the dust suppression device.

[0011] Preferably, a power supply box is provided on the top of the base plate, a battery pack is provided in the power supply box, and a controller for controlling the operation of a water pump and a fan is provided on the power supply box.

[0012] Preferably, a drain pipe with a valve is provided at the bottom of the outer wall of the water storage barrel, a barrel cover is provided at the top of the water storage barrel, a water injection pipe with a cover is provided on the top of the barrel cover, and air inlet microholes are opened on the cover to prevent the operation of the water pump from affecting the air pressure in the water storage barrel.

[0013] Preferably, a fastening bolt is threadedly connected on the right side of the rectangular vertical pipe near the top, and a circular positioning rod is provided at the threaded end of the fastening bolt. A plurality of circular positioning holes equidistantly arranged vertically are provided on the right side of the rectangular support rod, and the circular positioning rod is inserted into one of the circular positioning holes to facilitate the staff to adjust the overall height of the lifting assembly.

[0014] Preferably, a first U-shaped block is provided on both sides of the front and rear of the inner wall of the rectangular fixed tube and close to the left side, and a first filter screen is movably connected between the two first U-shaped blocks to perform a first filtration on the air entering the rectangular fixed tube to prevent dust from adhering to the fan. The top of the first filter screen passes through the top of the inner wall of the rectangular fixed tube to the outside, so that the staff can disassemble and assemble the first filter screen.

[0015] Preferably, a second U-shaped block is provided on both sides of the front and rear of the inner wall of the rectangular fixed tube and close to the right side of the first U-shaped block, and a second filter screen is movably connected between the two second U-shaped blocks. The filter hole size of the second filter screen is smaller than the filter hole size of the first filter screen, and the air entering the rectangular fixed tube is filtered for the second time to effectively prevent dust from adhering to the fan. The top of the second filter screen passes through the top of the inner wall of the rectangular fixed tube to the outside, so that the staff can disassemble and install the second filter screen conveniently.

[0016] Preferably, the right side of the U-shaped solid block is rotatably connected to a hand wheel, and the rotating shaft of the hand wheel is coaxially connected to the right end of the worm, so that the staff can rotate the worm conveniently.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The construction site uses a small-scale dust reduction device. The height of the liquid spraying component is adjusted by the lifting component. The worm drives the worm gear to rotate through the worm, and the worm gear drives the rectangular fixed pipe to rotate, thereby adjusting the pitch angle of the rectangular fixed pipe. The water pump draws out the water in the water storage barrel and transports it to the liquid inlet connecting pipe through the liquid delivery hose, and finally sprays it out from the nozzle. The fan generates airflow to quickly blow the water mist sprayed from the nozzle out of the rectangular fixed pipe and expand the range of the water mist, which is beneficial to small-scale dust reduction on the construction site.

[0019] 2. The construction site uses a small-scale dust suppression device. A fastening bolt is threadedly connected to the right side of the rectangular riser near the top. A circular positioning rod is provided at the threaded end of the fastening bolt. A plurality of circular positioning holes equidistantly arranged vertically are provided on the right side of the rectangular support rod. The circular positioning rod is inserted into one of the circular positioning holes to facilitate the staff to adjust the overall height of the lifting assembly.

[0020] 3. The construction site uses a small-scale dust reduction device. The first filter plate performs the first filter on the air entering the rectangular fixed pipe, and the second filter plate performs the second filter on the air entering the rectangular fixed pipe, effectively preventing dust from adhering to the fan and increasing the service life of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0023] Figure 3 It is a schematic diagram of the assembly structure of the lifting component and the liquid spraying component in the utility model;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the rectangular fixed tube in the utility model;

[0025] Figure 5 It is a schematic diagram of the structure of the liquid spraying component in the utility model.

[0026] In the figure: 1. bottom plate; 2. water storage barrel; 20. drainage pipe; 21. barrel cover; 22. water filling pipe; 3. lifting assembly; 30. rectangular vertical pipe; 31. rectangular support rod; 310. circular positioning hole; 32. fastening bolt; 320. circular positioning rod; 4. spray assembly; 40. U-shaped seat; 41. rectangular fixing pipe; 410. first U-shaped block; 411. second U-shaped block; 42. fan; 43. nozzle; 44. liquid inlet connecting pipe; 45. first filter screen; 46. second filter screen; 47. worm gear; 48. U-shaped solid block; 49. worm; 400. handwheel; 5. water pump; 6. liquid extraction pipe; 7. liquid delivery hose; 8. universal wheel with brake; 9. power supply box; 10. push rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0030] A small-scale dust suppression device for a construction site comprises a base plate 1, a water storage bucket 2 is provided on the top of the base plate 1 for storing water, a lifting assembly 3 and a water pump 5 are provided on the top of the base plate 1 and near the right side, the lifting assembly 3 comprises a rectangular vertical pipe 30 fixedly connected to the top of the base plate 1, a rectangular support rod 31 which can be adjusted up and down is provided in the rectangular vertical pipe 30, a liquid spraying assembly 4 is provided on the top of the rectangular support rod 31, and the height of the liquid spraying assembly 4 is adjusted by the lifting assembly 3;

[0031] The liquid spraying assembly 4 includes a U-shaped seat 40 fixedly connected to the top of the rectangular support rod 31, a rectangular fixed tube 41 is rotatably connected between the front and rear sides of the inner wall of the U-shaped seat 40, a worm gear 47 is provided at the rear end of the rotating shaft of the rectangular fixed tube 41, a U-shaped solid block 48 is provided at the rear side of the U-shaped seat 40, a worm 49 meshing with the worm gear 47 is rotatably connected between the left and right sides of the inner wall of the U-shaped solid block 48, the worm gear 49 drives the worm gear 47 to rotate, and the worm gear 47 drives the rectangular fixed tube 41 to rotate, thereby adjusting the pitch angle of the rectangular fixed tube 41;

[0032] A fan 42 and a nozzle 43 are provided in the rectangular fixed tube 41. The nozzle 43 is located to the right of the output end of the fan 42. A liquid inlet connecting pipe 44 is provided on the nozzle 43. The front end of the liquid inlet connecting pipe 44 passes through the inner wall of the rectangular fixed tube 41 to the outside. The input end of the water pump 5 is connected with the water storage barrel 2 through the liquid extraction pipe 6. The output end of the water pump 5 is connected with the liquid inlet connecting pipe 44 through the liquid delivery hose 7. The water pump 5 draws water out of the water storage barrel 2 and transports it to the liquid inlet connecting pipe 44 through the liquid delivery hose 7, and finally sprays it out from the nozzle 43. The fan 42 generates airflow to quickly blow the water mist sprayed by the nozzle 43 out of the rectangular fixed tube 41 and expand the range of the water mist, which is beneficial to small-scale dust reduction at construction sites.

[0033] In this embodiment, four universal wheels 8 with brakes arranged in a matrix are provided at the bottom of the base plate 1, and a push rod 10 is provided at the top of the base plate 1 and near the left side to facilitate the staff to move the dust suppression device.

[0034] Specifically, a power supply box 9 is provided on the top of the base plate 1 , a battery pack is provided in the power supply box 9 , and a controller for controlling the operation of the water pump 5 and the fan 42 is provided on the power supply box 9 .

[0035] Furthermore, a drain pipe 20 with a valve is provided at the bottom of the outer wall of the water storage barrel 2, a barrel cover 21 is provided at the top of the water storage barrel 2, a water injection pipe 22 with a cover is provided on the top of the barrel cover 21, and air intake microholes are opened on the cover to prevent the operation of the water pump 5 from affecting the air pressure in the water storage barrel 2.

[0036] Furthermore, a fastening bolt 32 is threadedly connected on the right side of the rectangular vertical pipe 30 near the top, and a circular positioning rod 320 is provided at the threaded end of the fastening bolt 32. A plurality of circular positioning holes 310 equidistantly arranged vertically are provided on the right side of the rectangular support rod 31. The circular positioning rod 320 is inserted into one of the circular positioning holes 310 to facilitate the staff to adjust the overall height of the lifting assembly 3.

[0037] Furthermore, first U-shaped blocks 410 are provided on the front and rear sides of the inner wall of the rectangular fixed tube 41 and near the left side, and a first filter screen 45 is movably connected between the two first U-shaped blocks 410 to perform a first filtration on the air entering the rectangular fixed tube 41 to prevent dust from adhering to the fan 42. The top of the first filter screen 45 passes through the top of the inner wall of the rectangular fixed tube 41 to the outside, making it convenient for staff to disassemble and assemble the first filter screen 45.

[0038] Furthermore, second U-shaped blocks 411 are provided on the front and rear sides of the inner wall of the rectangular fixed tube 41 and close to the right side of the first U-shaped block 410, and a second filter screen 46 is movably connected between the two second U-shaped blocks 411. The filter hole size of the second filter screen 46 is smaller than the filter hole size of the first filter screen 45, and the air entering the rectangular fixed tube 41 is filtered for the second time, which effectively prevents dust from adhering to the fan 42. The top of the second filter screen 46 passes through the top of the inner wall of the rectangular fixed tube 41 to the outside, so that the staff can disassemble and install the second filter screen 46 conveniently.

[0039] Furthermore, the right side of the U-shaped solid block 48 is rotatably connected to a hand wheel 400 , and the rotating shaft of the hand wheel 400 is coaxially connected to the right end of the worm 49 , so that the staff can rotate the worm 49 conveniently.

[0040] When the small-scale dust suppression device for construction sites of this embodiment is in use, the staff moves the dust suppression device to the desired position and then stops the four universal wheels 8 with brakes, and then adjusts the height and spray angle of the nozzle 43 as needed. Specifically, the staff first adjusts the pitch angle of the nozzle 43, the staff turns the hand wheel 400, the hand wheel 400 drives the worm 49 to rotate, the worm 49 drives the worm gear 47 to rotate, and the worm gear 47 drives the rectangular fixed pipe 41 to rotate, thereby adjusting the pitch angle of the nozzle 43, and then the staff removes the fastening bolts 32, and then moves the rectangular support rod 31 upward until the nozzle 43 moves to a suitable height, and then the staff tightens the fastening bolts 32 to insert the circular positioning rod 320 into one of the circular positioning holes 310, so that the rectangular support rod 3 1 and the rectangular riser 30 are fixed in position, so that the height of the nozzle 43 is fixed. After that, the staff starts the water pump 5 and the fan 42 to work. The water pump 5 draws out the water in the water storage barrel 2 and transports it to the liquid inlet connecting pipe 44 through the liquid delivery hose 7, and finally sprays it out from the nozzle 43. The fan 42 generates an airflow, and the outside air enters the rectangular fixed pipe 41 from the left end of the rectangular fixed pipe 41. The first filter plate 45 performs a first filter on the air entering the rectangular fixed pipe 41, and the second filter plate 46 performs a second filter on the air entering the rectangular fixed pipe 41, effectively preventing dust from adhering to the fan 42. The airflow generated by the fan 42 quickly blows the water mist sprayed by the nozzle 43 out of the rectangular fixed pipe 41, and expands the range of the water mist, which is beneficial to small-scale dust reduction at the construction site.

[0041] The above shows and describes the basic principle, main features and 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 preferred examples of the utility model and are not used to limit 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 of the utility model is defined by the attached claims and their equivalents.

Claims

1. A small-scale dust suppression device for a construction site, comprising a bottom plate (1), characterized in that: A water storage bucket (2) is provided on the top of the bottom plate (1), and a lifting assembly (3) and a water pump (5) are provided on the top of the bottom plate (1) and near the right side thereof. The lifting assembly (3) comprises a rectangular vertical tube (30) fixedly connected to the top of the bottom plate (1), a rectangular support rod (31) adjustable up and down is provided in the rectangular vertical tube (30), a liquid spraying assembly (4) is provided on the top of the rectangular support rod (31), and the liquid spraying assembly (4) comprises a U-shaped seat (40) fixedly connected to the top of the rectangular support rod (31), a rectangular fixed tube (41) is rotatably connected between the front and rear sides of the inner wall of the U-shaped seat (40), and a worm gear (47) is provided at the rear end of the rotating shaft of the rectangular fixed tube (41). A U-shaped solid block (48) is provided at the rear side of the U-shaped seat (40), and a worm (49) meshing with a worm wheel (47) is rotatably connected between the left and right sides of the inner wall of the U-shaped solid block (48). A fan (42) and a nozzle (43) are provided in the rectangular fixed tube (41), and the nozzle (43) is located to the right of the output end of the fan (42). A liquid inlet connecting pipe (44) is provided on the nozzle (43), and the front end of the liquid inlet connecting pipe (44) passes through the inner wall of the rectangular fixed tube (41) to the outside. The input end of the water pump (5) is connected to the water storage barrel (2) through a liquid extraction pipe (6), and the output end of the water pump (5) is connected to the liquid inlet connecting pipe (44) through a liquid delivery hose (7).

2. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: The bottom of the base plate (1) is provided with four universal wheels (8) with brakes arranged in a matrix, and a push rod (10) is provided at the top of the base plate (1) and close to the left side.

3. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: A power supply box (9) is provided on the top of the base plate (1), a battery pack is provided in the power supply box (9), and a controller for controlling the operation of the water pump (5) and the fan (42) is provided on the power supply box (9).

4. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: A drainage pipe (20) with a valve is provided at the bottom of the outer wall of the water storage barrel (2), a barrel cover (21) is provided at the top of the water storage barrel (2), and a water injection pipe (22) with a lid is provided at the top of the barrel cover (21).

5. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: A fastening bolt (32) is threadedly connected to the right side of the rectangular vertical tube (30) near the top, and a circular positioning rod (320) is provided at the threaded end of the fastening bolt (32). A plurality of circular positioning holes (310) equidistantly arranged vertically are provided on the right side of the rectangular support rod (31), and the circular positioning rod (320) is inserted into one of the circular positioning holes (310).

6. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: First U-shaped clamping blocks (410) are provided on both the front and rear sides of the inner wall of the rectangular fixed tube (41) and close to the left side, and a first filter screen plate (45) is movably connected between the two first U-shaped clamping blocks (410), and the top of the first filter screen plate (45) passes through the top of the inner wall of the rectangular fixed tube (41) to the outside.

7. The small-scale dust suppression device for construction sites according to claim 6 is characterized in that: Second U-shaped clamping blocks (411) are provided on both the front and rear sides of the inner wall of the rectangular fixed tube (41) and close to the right side of the first U-shaped clamping block (410); a second filter screen plate (46) is movably connected between the two second U-shaped clamping blocks (411); the filter hole size of the second filter screen plate (46) is smaller than the filter hole size of the first filter screen plate (45); the top of the second filter screen plate (46) passes through the top of the inner wall of the rectangular fixed tube (41) to the outside.

8. The small-scale dust suppression device for construction sites according to claim 1 is characterized in that: The right side of the U-shaped solid block (48) is rotatably connected to a hand wheel (400), and the rotating shaft of the hand wheel (400) is coaxially connected to the right end of the worm (49).

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