CN115779607A

CN115779607A - Environment-friendly dust falling device for engineering construction

Info

Publication number: CN115779607A
Application number: CN202211699911.9A
Authority: CN
Inventors: 李伟; 刘艳艳
Original assignee: Suzhou Hongxiang Mold Technology Co ltd
Current assignee: Suzhou Hongxiang Mold Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-03-14

Abstract

The utility model provides an environmental protection dust device is used in engineering construction, relate to construction dust fall technical field, the utility model relates to an environmental protection dust device is used in engineering construction, including the sewage case, the equal fixed mounting in four corners department of sewage case upper surface has the bracing piece, the last fixed surface of bracing piece installs and places the board, the last fixed surface who places the board installs servo motor, servo motor's output fixed mounting has the dwang, dust fall mechanism and clean mechanism through setting up, when having realized that the vehicle drives into the device, the atomizer of setting can spray from nearly to far to the both sides of vehicle surface and tire, and at the removal in-process of atomizer, two clean scrapers erode the surface of vehicle and tire and clean, can carry out effectual dust fall to the smoke and dust of vehicle both sides through the atomizer, and clear away the earth that tire and vehicle carried on the surface simultaneously, thereby ensure that the vehicle can not produce the dust at the in-process of traveling, realize effectual effect.

Description

Environment-friendly dust falling device for engineering construction

Technical Field

The invention relates to the field of construction dust fall, in particular to an environment-friendly dust fall device for engineering construction.

Background

A large amount of smoke and dust can be generated inevitably in the engineering construction process, so that the environment pollution is caused, and in order to eliminate or reduce the influence of the smoke and dust on the environment, a healthy and environment-friendly construction environment is created, and a dust falling means is often adopted at a construction site.

Dust device among the prior art is most of when in-service use for fixed placing, need staff's manual promotion during the removal, and most of them are only through spraying the dust of water smoke in to the engineering construction job site and carry out the dust fall and handle, but can't realize effectual dust fall to the vehicle of job site business turn over and handle, make the vehicle in-process when driving, the smoke and dust that its surface carried can aggravate the spread range, and the dust fall scope of existing equipment is little, lead to dust fall inefficiency.

Therefore, the environment-friendly dust settling device for engineering construction is improved.

Disclosure of Invention

The invention aims to provide an environment-friendly dust-settling device for engineering construction, which solves the problems that most of dust in an engineering construction site is settled only by spraying water mist, but effective dust-settling treatment cannot be realized on vehicles entering and exiting the construction site, the dust carried on the surface of the vehicles is aggravated in a diffusion range in the driving process of the vehicles, the dust-settling range of the existing equipment is small, and the dust-settling efficiency is low by arranging a dust-settling mechanism, a swinging mechanism and a cleaning mechanism.

In order to achieve the above purpose, the invention provides the following technical scheme:

an environmental protection dust device is used in engineering construction to improve above-mentioned problem.

The present application is particularly such that:

including the sewage case, the equal fixed mounting in four corners department of sewage case upper surface has the bracing piece, the last fixed surface of bracing piece installs places the board, the last fixed surface who places the board installs servo motor, servo motor's output fixed mounting has the dwang, the surface of dwang is equipped with dust fall mechanism, dust fall mechanism's inside is equipped with swing mechanism, the surface of dwang is equipped with clean mechanism, the inside of sewage case is equipped with retrieves the mechanism.

As the preferred technical scheme of this application, dust fall mechanism includes fixed mounting in the first conical gear of dwang surface both sides, two the both sides meshing of first conical gear has second conical gear, four the equal fixed mounting in a side surface of second conical gear has the screw rod, the surperficial threaded connection of screw rod has the nut, two one side fixed surface of nut has the connecting rod.

As the preferred technical scheme of this application, dust fall mechanism still includes fixed mounting in four the slide rail of bracing piece side surface, four the lower fixed surface of connecting rod connects the dead lever, the lower fixed surface of dead lever is connected with a smooth section of thick bamboo, the equal sliding connection in the inside of both ends slide rail of a smooth section of thick bamboo, the rotation groove has been seted up on the surface of a smooth section of thick bamboo, the quantity in rotation groove is a plurality of, the inside of a smooth section of thick bamboo is equipped with first raceway, the fixed surface of first raceway installs atomizer, atomizer's quantity is a plurality of, atomizer is located the inside in rotation groove.

As the preferred technical scheme of this application, dust fall mechanism still includes the water storage bucket of fixed mounting in the both sides of placing the board upper surface, a side fixed surface of water storage bucket is connected with first water delivery hose, the one end fixed connection of first water delivery hose is in first water pump, the output end fixed connection of first water pump has the second water delivery hose, the second water delivery hose twines in fixed mounting in the fixed column of placing the board upper surface, the other end fixed connection of second water delivery hose is in first raceway.

As the preferred technical scheme of this application, swing mechanism is including the gear groove of roof and interior diapire in locating the slide rail, the gear groove meshing has the gear, one side fixed surface of gear installs first dwang, first dwang fixed surface installs first cam, first cam overlap joint has the second cam, the inside fixed connection second dwang of second cam, the quantity of first cam and second cam is the same with atomizer's quantity, one side fixed surface of second cam installs atomizer, a plurality of the both sides of rotating the inslot lateral wall all are fixed with torque spring, torque spring's one end fixed mounting is in one side of atomizer.

As the preferred technical scheme of this application, clean mechanism includes fixed mounting in the worm wheel at rotor surface middle part, the both sides of worm wheel all mesh has the worm, two the lower surface joint of worm is in the upper surface of placing the board, two the last fixed surface of worm installs first belt pulley, the last fixed surface who places the board has the supporting shoe, a side fixed surface of supporting shoe installs the fifth wheel, the equal fixed mounting in both sides surface of sewage case has the second belt pulley, first belt pulley, fifth wheel are connected through the conveyer belt with the second belt pulley.

As the preferred technical scheme of this application, clean mechanism is including being fixed in the stabilizer bar of sewage case upper surface both sides, one of them the bottom and the equal sliding connection in top of stabilizer bar have a sliding block, a side fixed surface of sliding block installs clean scraper blade, the opposite side fixed mounting of sliding block has the fixture block, two fixture block fixed mounting is in the both sides of conveyer belt.

As the preferred technical scheme of this application, retrieve the mechanism and include fixed mounting in the inside flexible post of sewage incasement, flexible post fixed mounting is in the inside four corners department of sewage incasement, four the equal fixed mounting in inside of flexible post has reset spring, four the last fixed surface of flexible post installs same loading board, the inlet opening has all been seted up to the both sides on loading board surface, the chute has been seted up to the both sides of loading board, the chute link up with the inlet opening mutually.

As the preferred technical scheme of this application, retrieve mechanism still includes to rotate through the pivot and connect in loading board apron all around, the equal fixed mounting all around of loading board has first pivot seat, first pivot seat rotates and is connected with first spliced pole, the one end of first spliced pole rotates and is connected with the second spliced pole, the second spliced pole rotates and is connected with the third spliced pole, the one end of third spliced pole rotates and is connected with second pivot seat, second pivot seat fixed connection is in the lower surface of apron, one side joint of first spliced pole and second spliced pole junction has the kelly, the bottom fixed mounting of kelly is in the interior diapire of sewage case.

As the preferred technical scheme of this application, retrieve the mechanism and still include the first recovery hose of fixed connection water storage bucket side surface, the one end fixedly connected with second water pump of first recovery hose, the input end fixedly connected with second recovery hose of second water pump, the other end fixed connection of second recovery hose is in a side surface of sewage case, one side of second recovery hose is equipped with the filter screen, the filter screen passes through bolt fixed connection in the inside wall of sewage case.

Compared with the prior art, the invention has the beneficial effects that:

in the scheme of the application:

1. through the dust settling mechanism and the cleaning mechanism, when a vehicle drives into the device, the arranged atomizing nozzle can spray dust on the surface of the vehicle and the two sides of tires from near to far, in the moving process of the atomizing nozzle, the two cleaning scrapers can wash and clean the surface of the vehicle and the tires, the dust on the two sides of the vehicle can be effectively settled through the atomizing nozzle, and soil carried on the surfaces of the tires and the vehicle is removed at the same time, so that the dust is prevented from being generated in the driving process of the vehicle, an effective dust settling effect is realized, and the problem that in the prior art, most of dust in an engineering construction site is settled only by spraying water mist, but effective dust settling treatment cannot be realized on vehicles entering and exiting from the construction site, and the dust carried on the surface of the vehicle can aggravate the diffusion range in the driving process of the vehicle is solved;

2. through the arranged swinging mechanism, the atomizing nozzle moves from far to far in the spraying process of the atomizing nozzle, so that the atomizing nozzle can swing back and forth along with the movement, the spraying range of the atomizing nozzle can be increased in the swinging process, and the problem of low dust settling efficiency caused by small dust settling range in the prior art is solved;

3. the device has the advantages that through the arranged recovery mechanism, the sprayed water can be collected through the arrangement of the sewage tank, then the sewage is filtered through the filter screen and then recovered into the water storage barrel, the dust-settling cost is reduced, and the environmental protection performance of the device in use is improved;

drawings

Fig. 1 is a schematic structural diagram of an environment-friendly dust-settling device for engineering construction provided by the present application;

fig. 2 is a schematic side view of the environment-friendly dust-settling device for engineering construction provided by the present application;

FIG. 3 is a schematic view of a top view structure of an environmental protection dust-settling device for engineering construction provided by the present application

Fig. 4 is a schematic view of a swing mechanism of the environment-friendly dust-settling device for engineering construction provided by the present application;

fig. 5 is a schematic diagram of a dust settling mechanism of the environment-friendly dust settling device for engineering construction provided by the application;

fig. 6 is a schematic structural view of a cleaning mechanism of the environment-friendly dust-settling device for engineering construction provided by the application;

fig. 7 is a schematic structural view of a bearing plate and a cover plate of the environment-friendly dust-settling device for engineering construction provided by the application;

fig. 8 is a schematic diagram of a slide rail and a tooth socket structure of the environment-friendly dust-settling device for engineering construction provided by the application.

The following are marked in the figure:

1. a sewage tank;

2. a support bar;

3. a servo motor;

4. a dust removal mechanism; 401. a first bevel gear; 402. a second bevel gear; 403. a screw; 404. a nut; 405. a connecting rod; 406. a slide rail; 407. a slide cylinder; 408. a first water delivery pipe; 409. an atomizing spray head; 410. a water storage barrel; 411. a first water delivery hose; 412. a first water pump;

5. a swing mechanism; 501. a gear groove; 502. a gear; 503. a first rotating lever; 504. a first cam; 505. a second cam; 506. a torsion spring; 507. a second rotating lever;

6. a cleaning mechanism; 601. a worm gear; 602. a worm; 603. a first pulley; 604. a second pulley; 605. a conveyor belt; 606. a slider; 607. a cleaning blade;

7. a recovery mechanism; 701. a telescopic column; 702. a return spring; 703. a carrier plate; 704. a chute; 705. a cover plate; 706. a second recovery hose;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings, orientations or positional relationships that are usually used for placing the products of the present invention, or orientations or positional relationships that are usually understood by those skilled in the art, and these terms are only used for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides an environmental protection dust device for engineering construction, includes sewage case 1, the equal fixed mounting in four corners department of 1 upper surface of sewage case has bracing piece 2, the last fixed surface of bracing piece 2 installs places the board, the last fixed surface who places the board installs servo motor 3, servo motor 3's output fixed mounting has the dwang, the surface of dwang is equipped with dust fall mechanism 4, the inside of dust fall mechanism 4 is equipped with swing mechanism 5, the surface of dwang is equipped with clean mechanism 6, the inside of sewage case 1 is equipped with retrieves mechanism 7.

When a vehicle drives into the device, the bearing plate 703 moves downwards, the cover plates on the peripheral sides contract mutually, a worker turns on the servo motor 3 and the first water pump 412, the first water delivery hoses 411 and the atomizing nozzles 409 on the two sides move towards the two sides through the servo motor 3, the water can rotate up and down along with the movement in the back and forth movement process, meanwhile, the top cleaning scrapers 607 and the bottom cleaning scrapers 607 on the two sides move towards the middle part, the surfaces on the two sides of the vehicle are cleaned by friction, and the sprayed water can flow into the sewage tank 1 and is recycled after being filtered.

Example 1:

as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, as a preferred embodiment, on the basis of the above-mentioned manner, further, the dust falling mechanism 4 includes first bevel gears 401 fixedly installed on both sides of the surface of the rotating rod, two sides of the first bevel gears 401 are engaged with second bevel gears 402, one side surfaces of the four second bevel gears 402 are fixedly installed with screws 403, the surface of the screw 403 is connected with a nut 404 in a threaded manner, one side surfaces of the two nuts 404 are fixedly installed with connecting rods 405, the dust falling mechanism 4 further includes sliding rails 406 fixedly installed on one side surfaces of the four support rods 2, lower surfaces of the four connecting rods 405 are fixedly connected with fixing rods, lower surfaces of the fixing rods are fixedly connected with sliding barrels 407, both ends of the sliding barrels 407 are slidably connected inside the sliding rails 406 on both sides, the surface of the sliding barrels 407 is opened with a rotating groove, the number of the rotating grooves is several, the sliding barrels 407 are provided with a first water pipe 408 inside, the surface of the first water pipe 408 is fixedly installed with a first water conveying pipe 409, the first water conveying pipe 408 is fixedly installed on the surface of the first water conveying pipe 408, the first water conveying pipe 408 is connected with a second water conveying hose 411, the first water conveying pipe 410 is connected with a cleaning water pump 410, the first water conveying hose 411 is connected with a first water conveying hose 411, the surface of the first water conveying hose, the second water conveying pipe 410 is connected with a first water conveying hose 411, and a second water conveying hose 411 is connected with a second water conveying hose, and a second water conveying hose, a second water conveying hose 411 is connected with a second water conveying hose 411, the upper surface of two worms 602 fixed mounting has first belt pulley 603, the last surface mounting who places the board has the supporting shoe, one side fixed surface of supporting shoe installs the fifth wheel, the equal fixed mounting in both sides surface of sewage case 1 has second belt pulley 604, first belt pulley 603, the fifth wheel is connected through conveyer belt 605 with second belt pulley 604, cleaning mechanism 6 is including being fixed in the stabilizer bar of sewage case 1 upper surface both sides, the bottom and the equal sliding connection in top of one of them stabilizer bar have sliding block 606, one side fixed surface of sliding block 606 installs cleaning scraper blade 607, the opposite side fixed mounting of sliding block 606 has the fixture block, two fixture block fixed mounting are in the both sides of conveyer belt 605.

The servo motor 3 drives the rotating rod to drive the first bevel gears 401 on two sides of the surface, the first bevel gears 401 drive the second bevel gears 402 to rotate, the second bevel gears 402 drive the screw rods 403 to rotate, the screw rods 403 rotate to enable the nuts 404 on the surface to move, the connecting rods 405 drive the sliding barrels 407 to slide from the middle to two sides inside the sliding rails 406 through the movement of the nuts 404, the first water pump 412 sprays water inside the water storage barrels 410 out through the atomizing nozzles 409 through the first water delivery hoses 411, the rotating rod drives the worm wheels 601 to rotate at the same time, the worm wheels 601 rotate to drive the worm 602 to rotate, the worm 602 rotates to drive the first belt pulley 603 fixedly mounted on the upper surface, the second belt pulley 604 is arranged to enable the moving directions of the conveying belts 605 on two sides to be opposite, the cleaning scraper 607 phases on the two sides move to clean the surface of the vehicle at the same time, the vehicle rotates, when the vehicle drives the vehicle into the device, dust on the ground and dust carried by the vehicle can be sprayed from the near to the far side, the dust can be sprayed on the surface of the vehicle, and the dust can be effectively removed, and dust can be prevented from being carried by the vehicle, and dust can be removed by the vehicle, and dust carried by the vehicle, and dust can be prevented from the dust carried by the vehicle.

Example 2:

as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, in addition to the above-mentioned embodiments, the swing mechanism 5 includes a gear groove 501 disposed on the inner top wall and the inner bottom wall of the slide rail 406, the gear groove 501 is engaged with a gear 502, a first rotating rod 503 is fixedly mounted on one side surface of the gear 502, a first cam 504 is fixedly mounted on the surface of the first rotating rod 503, a second cam 505 is lapped on the first cam 504, a second rotating rod 507 is fixedly connected inside the second cam 505, the number of the first cam 504 and the second cam 505 is the same as that of the atomizing nozzles 409, the atomizing nozzles 409 are fixedly mounted on one side surface of the second cam 505, torsion springs 506 are fixed on both sides of the inner side walls of a plurality of rotating grooves, and one end of each torsion spring 506 is fixedly mounted on one side of the atomizing nozzle 409

In-process that dust fall mechanism 4 removed, smooth section of thick bamboo 407's removal makes and rotates with gear groove 501 engaged gear 502, gear 502's rotation drives first cam 504 through first dwang 503 and rotates, the rotation of first cam 504 can extrude and drive second cam 505 and rotate, second cam 505 drives the atomizer on second dwang 507 surface and rotates, simultaneously the torsion spring 506 of both sides makes to be restored by extrusion pivoted atomizer 409 and removes, the rotation of gear 502 can make atomizer 409 repeatedly swing this moment, the wobbling in-process can improve atomizer's the scope of spraying, it is little to have solved dust fall scope among the prior art, lead to the problem of dust fall inefficiency.

Example 3:

as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, as a preferred embodiment, based on the above-mentioned manner, the recycling mechanism 7 includes telescopic pillars 701 fixedly installed inside the wastewater tank 1, the telescopic pillars 701 are fixedly installed at four corners inside the wastewater tank 1, return springs 702 are fixedly installed inside the four telescopic pillars 701, the same bearing plate 703 is fixedly installed on the upper surface of the four telescopic pillars 701, water inlets are opened on both sides of the surface of the bearing plate 703, chutes 704 are opened on both sides of the bearing plate 703, the chutes 704 are communicated with the water inlets, the recycling mechanism 7 further includes a cover plate 705 rotatably connected to the periphery of the bearing plate 703 through a rotating shaft, a first rotating shaft seat is fixedly installed on the periphery of the bearing plate 703, and the first rotating shaft seat is rotatably connected with a first connecting pillar, one end of the first connecting column is rotatably connected with a second connecting column, the second connecting column is rotatably connected with a third connecting column, one end of the third connecting column is rotatably connected with a second rotating shaft seat, the second rotating shaft seat is fixedly connected to the lower surface of the cover plate 705, a clamping rod is clamped at one side of the joint of the first connecting column and the second connecting column, the bottom of the clamping rod is fixedly installed on the inner bottom wall of the sewage tank 1, the recovery mechanism 7 further comprises a first recovery hose fixedly connected with one side surface of the water storage bucket 410, one end of the first recovery hose is fixedly connected with a second water pump, the input end of the second water pump is fixedly connected with a second recovery hose 706, the other end of the second recovery hose 706 is fixedly connected to one side surface of the sewage tank 1, one side of the second recovery hose 706 is provided with a filter screen, and the filter screen is fixedly connected to the inner side wall of the sewage tank 1 through bolts.

When the vehicle drives into the inside of the device, the weight of the vehicle can make the bearing plate 703 move downwards, the clamping rod is in a fixed state at the moment, so that the first connecting column and the second connecting column contract inwards, the second connecting column drives the cover plate 705 fixedly installed on the upper surface of the third connecting column to overturn inwards, part of sprayed water can flow into the water inlet hole to enter the inside of the sewage tank through the gap between the chute and the two sides of the sewage tank 1, then the water flows into the inside of the water storage barrel 410 again through the filtering of the filter screen and the operation of the second water pump, after the vehicle drives out of the device, the elasticity of the reset spring 702 can make the bearing plate 703 automatically reset, the upward movement of the bearing plate 703 can automatically close the cover plate 705 on the peripheral side, then the sewage is filtered through the filter screen and then is recycled to the inside of the water storage barrel, the expenditure of dust fall cost is reduced, and the environmental protection performance of the device in use is further improved.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and therefore, any modifications or equivalents of the present invention may be made; but all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed in the claims of the present invention.

Claims

1. The utility model provides an environmental protection dust device for engineering construction, a serial communication port, including sewage case (1), the equal fixed mounting in four corners department of sewage case (1) upper surface has bracing piece (2), the last fixed surface of bracing piece (2) installs places the board, the last fixed surface who places the board installs servo motor (3), the output fixed mounting of servo motor (3) has the dwang, the surface of dwang is equipped with dust fall mechanism (4), the inside of dust fall mechanism (4) is equipped with swing mechanism (5), the surface of dwang is equipped with clean mechanism (6), the inside of sewage case (1) is equipped with retrieves mechanism (7).

2. The environment-friendly dust-settling device for engineering construction according to claim 1, wherein the dust-settling mechanism (4) comprises first bevel gears (401) fixedly mounted on two sides of the surface of a rotating rod, two second bevel gears (402) are meshed with two sides of the first bevel gears (401), a screw (403) is fixedly mounted on one side surface of each of the four second bevel gears (402), a nut (404) is connected to the surface of each screw (403) in a threaded manner, and a connecting rod (405) is fixedly mounted on one side surface of each of the two nuts (404).

3. The environment-friendly dust-settling device for engineering construction according to claim 2, wherein the dust-settling mechanism (4) further comprises slide rails (406) fixedly mounted on one side surfaces of the four support rods (2), fixing rods are fixedly connected to the lower surfaces of the four connecting rods (405), slide cylinders (407) are fixedly connected to the lower surfaces of the fixing rods, two ends of each slide cylinder (407) are slidably connected to the insides of the slide rails (406) on two sides, rotating grooves are formed in the surfaces of the slide cylinders (407), the rotating grooves are multiple in number, first water pipes (408) are arranged inside the slide cylinders (407), atomizing nozzles (409) are fixedly mounted on the surfaces of the first water pipes (408), the atomizing nozzles (409) are multiple in number, and the atomizing nozzles (409) are located inside the rotating grooves.

4. The environment-friendly dust-settling device for engineering construction according to claim 2, wherein the dust-settling mechanism (4) further comprises water storage barrels (410) fixedly mounted on two sides of the upper surface of the placing plate, a first water delivery hose (411) is fixedly connected to one side surface of each water storage barrel (410), one end of each first water delivery hose (411) is fixedly connected to a first water pump (412), the output end of each first water pump (412) is fixedly connected to a second water delivery hose, each second water delivery hose is wound on a fixed column fixedly mounted on the upper surface of the placing plate, and the other end of each second water delivery hose is fixedly connected to a first water delivery pipe (408).

5. The environment-friendly dust-settling device for engineering construction according to claim 3, wherein the swing mechanism (5) comprises a gear groove (501) formed in an inner top wall and an inner bottom wall of the sliding rail (406), the gear groove (501) is engaged with a gear (502), a first rotating rod (503) is fixedly installed on one side surface of the gear (502), a first cam (504) is fixedly installed on the surface of the first rotating rod (503), a second cam (505) is lapped on the first cam (504), a second rotating rod (507) is fixedly connected inside the second cam (505), the number of the first cam (504) and the number of the second cam (505) are the same as the number of the atomizing nozzles (409), an atomizing nozzle (409) is fixedly installed on one side surface of the second cam (505), a plurality of torsion springs (506) are fixed on two sides of the inner side wall of the rotating groove, and one end of each torsion spring (506) is fixedly installed on one side of the atomizing nozzle (409).

6. The environment-friendly dust-settling device for engineering construction according to claim 1, wherein the cleaning mechanism (6) comprises a worm wheel (601) fixedly mounted in the middle of the surface of the rotating rod, two sides of the worm wheel (601) are respectively engaged with a worm (602), the lower surfaces of the two worms (602) are clamped on the upper surface of the placing plate, the upper surfaces of the two worms (602) are fixedly provided with a first belt pulley (603), the upper surface of the placing plate is provided with a supporting block, one side surface of the supporting block is fixedly provided with a connecting wheel, the two side surfaces of the sewage tank (1) are respectively fixedly provided with a second belt pulley (604), and the first belt pulley (603) and the connecting wheel are connected with the second belt pulley (604) through a conveying belt (605).

7. The environment-friendly dust-settling device for engineering construction according to claim 6, wherein the cleaning mechanism (6) comprises stabilizer bars fixed on two sides of the upper surface of the sewage tank (1), the bottom and the top of one of the stabilizer bars are both connected with a sliding block (606) in a sliding manner, a cleaning scraper (607) is fixedly arranged on the surface of one side of the sliding block (606), clamping blocks are fixedly arranged on the other side of the sliding block (606), and the two clamping blocks are fixedly arranged on two sides of the conveyor belt (605).

8. The environment-friendly dust-settling device for engineering construction according to claim 1, wherein the recovery mechanism (7) comprises telescopic columns (701) fixedly installed inside the sewage tank (1), the telescopic columns (701) are fixedly installed at four corners inside the sewage tank (1), return springs (702) are fixedly installed inside the four telescopic columns (701), the same bearing plate (703) is fixedly installed on the upper surfaces of the four telescopic columns (701), water inlet holes are formed in two sides of the surface of the bearing plate (703), inclined grooves (704) are formed in two sides of the bearing plate (703), and the inclined grooves (704) are communicated with the water inlet holes.

9. The environment-friendly dust-settling device for engineering construction according to claim 1, wherein the recycling mechanism (7) further comprises a cover plate (705) rotatably connected to the periphery of the bearing plate (703) through a rotating shaft, a first rotating shaft seat is fixedly installed on the periphery of the bearing plate (703), a first connecting column is rotatably connected to the first rotating shaft seat, a second connecting column is rotatably connected to one end of the first connecting column, a third connecting column is rotatably connected to the second connecting column, a second rotating shaft seat is rotatably connected to one end of the third connecting column, the second rotating shaft seat is fixedly connected to the lower surface of the cover plate (705), a clamping rod is clamped to one side of the joint of the first connecting column and the second connecting column, and the bottom of the clamping rod is fixedly installed on the inner bottom wall of the sewage tank (1).

10. The environment-friendly dust-settling device for engineering construction according to claim 1, wherein the recovery mechanism (7) further comprises a first recovery hose fixedly connected with one side surface of the water storage barrel (410), one end of the first recovery hose is fixedly connected with a second water pump, an input end of the second water pump is fixedly connected with a second recovery hose (706), the other end of the second recovery hose (706) is fixedly connected with one side surface of the sewage tank (1), one side of the second recovery hose (706) is provided with a filter screen, and the filter screen is fixedly connected with the inner side wall of the sewage tank (1) through bolts.