CN111744315B

CN111744315B - Dust device is used in civil engineering construction

Info

Publication number: CN111744315B
Application number: CN202010802332.7A
Authority: CN
Inventors: 张宇
Original assignee: Northeast Petroleum University
Current assignee: Northeast Petroleum University
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-09-21
Anticipated expiration: 2040-08-11
Also published as: CN111744315A

Abstract

The invention discloses a dust suppression device for civil engineering construction, comprising a base, a water tank, a vertical plate, a dust suction mechanism and a dust suppression mechanism. A side plate and a top plate of the water tank, and the dust suppression mechanism is installed on a side plate and a vertical plate of the water tank. The present invention includes a dust suction mechanism and a dust reduction mechanism, and has two dust reduction methods: suction dust reduction and water spray dust reduction, which can be selected according to usage scenarios and weather, and has various functions and is convenient to move, which is conducive to the use of dust reduction in small-scale construction; The dust suction mechanism of the present invention adopts the filtering method of blocking and washing with water, which has better filtering ability and is beneficial to improve the effect of dust reduction. The change is beneficial to make the device at the best water spraying angle.

Description

Dust device is used in civil engineering construction

Technical Field

The invention relates to the technical field of dust settling devices, in particular to a dust settling device for civil engineering construction.

Background

Civil engineering is a general term of scientific technology for building various land engineering facilities, which refers to applied materials, equipment, technical activities such as surveying, designing, constructing, maintaining, repairing and the like, and also refers to objects of engineering construction, namely various engineering facilities which are built on the ground or underground or onshore and directly or indirectly serve human life, production, military affairs and scientific research, and the engineering entity which is used for carrying out various technical works such as investigation, planning, design, construction, installation, maintenance and the like for newly building, reconstructing or expanding buildings, structures and related supporting facilities of various engineering besides the building construction and the like and finishing the technical works, during civil engineering construction, a lot of dust can be generated, the quality of the working environment is reduced, and a certain influence is generated on the surrounding environment, so that a dust falling device is needed during civil engineering construction;

the prior patent (publication number: CN 210674676U) discloses a dust-settling device for civil engineering construction, and relates to the technical field of civil engineering construction. This kind of dust device for civil engineering construction includes the cylinder, the cylinder is the hollow pole of cylinder, cylinder inner chamber middle part welding has the division board, and the division board separates the cylinder inner chamber for arrange the dirt chamber and advance the dirt chamber, and arrange the dirt chamber and be located the rear of advancing the dirt chamber, advance the antetheca in dirt chamber and evenly seted up into dirt opening, the draw-in groove has been seted up to the back wall of cylinder, the top of advancing the dirt opening is provided with the basin, basin back wall intercommunication has the mouth of pipe of intaking, basin middle part welding has the dust exhaust pipe, the top welding in dust intake chamber has the dust absorption pipe, the top end wall welding of cylinder has the U-shaped grillage, install the stop roll pole in the groove chamber of draw-in groove, the below in dust exhaust chamber and the dust intake chamber is provided with the ponding chamber, and ponding chamber and arrange the dirt chamber and be linked together, the back wall intercommunication of ponding chamber bottom inner chamber has the mouth of drainage pipe. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. when the device is used, the device needs to be uniformly arranged along the periphery of a construction site, the laying is troublesome, the movement is unchanged, and the device is difficult to use in small-range construction; 2. the device adopts the mode of dust absorption to carry out the dust fall, and its dust fall mode is comparatively single, can't carry out the selection of dust fall mode according to use scene and environment, and application scope is narrower.

Disclosure of Invention

The invention aims to provide a dust-settling device for civil engineering construction, which solves the problems in the background technology by arranging a base, a water tank, a vertical plate, a dust-collecting mechanism and a dust-settling mechanism.

In order to achieve the purpose, the invention provides the following technical scheme: a dust-settling device for civil engineering construction comprises a base, a water tank, a vertical plate, a dust-collecting mechanism and a dust-settling mechanism, wherein the water tank and the vertical plate are sequentially and fixedly installed on the top surface of the base;

the dust collection mechanism comprises an air inlet pipe, a centrifugal pump, a dust collection box, an air hopper, a dust filter screen, a partition plate and an ash removal mechanism, the dust collection box is fixedly arranged on the outer wall of one side plate of the water tank, the air hopper is fixedly arranged on one side plate of the dust collection box in a penetrating manner, an air outlet joint is fixedly arranged on a top plate of the dust collection box in a penetrating manner, the partition plate is horizontally and fixedly connected with one fourth of the dust collection box from bottom to top, the dust filter screen is vertically arranged between the top surface of the partition plate and the top plate of the dust collection box and is positioned between the air hopper and the air outlet joint, the ash removal mechanism is arranged on the top plate of the dust collection box, the centrifugal pump and the air inlet pipe are sequentially and fixedly arranged on the top surface of the top plate of the water tank, the bottom end of the air inlet pipe extends to a position close to the bottom plate of the water tank, and the input end and the output end of the centrifugal pump are respectively connected with the air outlet joint and the top end of the air inlet pipe in a clamping manner, the input end of the centrifugal pump is also connected to a branch interface with an electromagnetic valve, the branch interface and the air inlet pipe are respectively positioned at the left side and the right side of the centrifugal pump, the bottom end of the branch interface is inserted into the water liquid of the water tank, a slidable elastic sleeve body is arranged in the air outlet joint, an elastic opening is arranged at the side of the sleeve body close to the pull rod, and two half moon-shaped elastic sealing plates are arranged in the opening;

the dust cleaning mechanism comprises a second sleeve, a pull rod and a brush, wherein a baffle is arranged at the top of the pull rod, after the pull rod rises to the top end, the baffle at the top of the pull rod can be inserted into the elastic opening and tightly attached between the two half-moon-shaped elastic sealing plates, meanwhile, the baffle is inserted into and pulled out of the elastic opening to synchronously drive the elastic sleeve to be extruded and deformed or stretched and deformed in the air outlet joint, the second sleeve is vertically and fixedly arranged on a top plate of the dust collection box in a penetrating manner, the pull rod is sleeved in the second sleeve in a sliding manner, the bottom end of the pull rod is fixedly provided with the brush, the working surface of the brush is contacted with one side surface of the dust filtering net, the inner part of the dust collection box is divided into a dust collection area and a filtering area by the baffle, a hollow groove is formed in the baffle, and the hollow groove is positioned right below the brush;

the dust fall mechanism comprises a water pipe, a water inlet joint, nozzles, a water pump, a liquid outlet joint, a hose and a pipeline supporting mechanism, wherein the liquid outlet joint is horizontally and fixedly arranged at the bottom of one side plate of the water tank in a penetrating manner, the water pump is fixedly arranged on the outer wall of one side plate of the water tank on which the liquid outlet joint is arranged, the input end and the output end of the water pump are respectively connected with one end of the liquid outlet joint and one end of the hose in a clamping manner, a plurality of nozzles are uniformly and equidistantly fixedly arranged on the water pipe, the water inlet joint is fixedly arranged on the water pipe, one end of the water inlet joint and the input end of the nozzles extend into the water pipe, one end of the hose, which is far away from the water pump, is connected with one end of the water inlet joint in a clamping manner, and the pipeline supporting mechanism is arranged on the outer wall of the middle part of the water pipe;

pipeline supporting mechanism includes riser, fender ring, water pipe installation pole, first sleeve, concave template, installation axle and fastening nut, the vertical fixed welding of first sleeve is in a side of the riser that is close to the water pump, the outside screw thread of water pipe installation pole is installed and is kept off the ring, water pipe installation pole slides and cup joints in first sleeve, just the bottom surface that keeps off the ring touches mutually with first telescopic top, the fixed installation axle that runs through of top department level of water pipe installation pole, two blocks of curb plates of concave template are run through respectively at the both ends of installation axle, the equal threaded mounting of both ends department of installation axle has fastening nut, fastening nut touches mutually with the outer wall of concave template.

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

(1) the invention can prevent the dumps of the dust conveying pipeline and the sludge cleaning of the inner wall of the water tank humidifying the dust while normally absorbing the dust through the specially designed elastic rubber sleeve and the centrifugal pump with the two input ports.

(2) The dust-settling device comprises a dust collection mechanism and a dust-settling mechanism, has two dust-settling modes of dust suction and dust settling by water spray, can be selected according to use scenes and weather, has various functions, is convenient to move, and is beneficial to dust settling in small-range construction;

(3) the dust collection mechanism adopts a filtering mode of blocking and washing, has better filtering capacity, is favorable for improving the dust settling effect, and is favorable for changing the water spraying angle and ensuring the device to be at the optimal water spraying angle because the included angle between the water pipe of the dust settling mechanism of the device and the water pipe mounting rod is changed.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the dust box of the present invention;

FIG. 3 is a schematic view of the internal structure of the water tank of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. the base, 2, the universal wheel, 3, the water tank, 4, the riser, 5, keep off the ring, 6, water pipe installation pole, 7, first sleeve, 8, the water pipe, 9, water supply connector, 10, the shower nozzle, 11, the water pump, 12, play liquid joint, 13, the hose, 14, the air-supply line, 15, the centrifugal pump, 16, the dust collection box, 17, the wind scoop, 18, the second sleeve, 19, the pull rod, 20, the air-out connects, 21, the brush, 22, the dirt filtrating screen, 23, the baffle, 24, the dirt collecting area, 25, the filtering area, 26, fretwork groove, 27, concave type board, 28, installation axle, 29, fastening nut, 30, active carbon filter screen, 31, active carbon package.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a dust-settling device for civil engineering construction comprises a base 1, a water tank 3, a vertical plate 4, a dust suction mechanism and a dust-settling mechanism, wherein the water tank 3 and the vertical plate 4 are fixedly installed on the top surface of the base 1 in sequence, the dust suction mechanism is installed on one side plate and one top plate of the water tank 3, and the dust-settling mechanism is installed on one side plate and one vertical plate 4 of the water tank 3;

the dust collection mechanism comprises an air inlet pipe 14, a centrifugal pump 15, a dust collection box 16, an air hopper 17, a dust filter screen 22, a partition plate 23 and an ash removal mechanism, wherein the dust collection box 16 is fixedly arranged on the outer wall of one side plate of the water tank 3, the air hopper 17 is fixedly arranged on one side plate of the dust collection box 16 in a penetrating manner, an air outlet connector 20 is fixedly arranged on a top plate of the dust collection box 16 in a penetrating manner, the partition plate 23 is horizontally and fixedly connected with one quarter of the dust collection box 16 from bottom to top, the dust filter screen 22 is vertically arranged between the top surface of the partition plate 23 and the top plate of the dust collection box 16, the dust filter screen 22 is positioned between the air hopper 17 and the air outlet connector 20, the ash removal mechanism is arranged on the top plate of the dust collection box 16, the centrifugal pump 15 and the air inlet pipe 14 are fixedly arranged on the top surface of the top plate of the water tank 3 in sequence, the bottom end of the air inlet pipe 14 extends to a position close to the bottom plate of the water tank 3, the input end and the output end of the centrifugal pump 15 are respectively connected with the top end of the air outlet connector 20 and the air inlet pipe 14 in a clamping manner, the input end of the centrifugal pump 15 is also connected to a branch interface with an electromagnetic valve, the branch interface and the air inlet pipe 14 are respectively positioned at the left side and the right side of the centrifugal pump 15, wherein the bottom end of the branch interface is inserted into the water liquid of the water tank 3, a slidable elastic sleeve body is arranged in the air outlet joint 20, an elastic opening is arranged at the side of the sleeve body close to the pull rod 19, two half-moon-shaped elastic sealing plates are arranged in the opening, and the bottom end of the branch interface is close to the inner wall of the water tank;

the ash cleaning mechanism comprises a second sleeve 18, a pull rod 19 and a brush 21, wherein the top of the pull rod is provided with a baffle plate, after the pull rod 19 rises to the top end, the baffle plate at the top of the pull rod can be inserted into the elastic opening and tightly attached between the two half moon-shaped elastic sealing plates, meanwhile, the baffle is inserted into and pulled out of the elastic opening to synchronously drive the elastic sleeve body to extrude or stretch and deform in the air outlet joint 20, the second sleeve 18 is vertically fixed and penetratingly arranged on the top plate of the dust collection box 16, the pull rod 19 is sleeved in the second sleeve 18 in a sliding manner, the bottom end of the pull rod 19 is fixedly provided with a brush 21, the working surface of the brush 21 is contacted with one side surface of a dust filtering net 22, the partition 23 divides the interior of the dust collection box 16 into a dust collection area 24 and a filtering area 25, a hollow groove 26 is formed in the partition 23, and the hollow groove 26 is located right below the hairbrush 21;

the dust fall mechanism comprises a water pipe 8, a water inlet joint 9, a spray head 10, a water pump 11, a liquid outlet joint 12, a hose 13 and a pipeline supporting mechanism, the liquid outlet joint 12 is horizontally and fixedly arranged at the bottom of one side plate of the water tank 3 in a penetrating way, the water pump 11 is fixedly arranged on the outer wall of one side plate of the water tank 3 which is provided with the liquid outlet joint 12, the input end and the output end of the water pump 11 are respectively connected with one end of the liquid outlet joint 12 and one end of the hose 13 in a cutting sleeve type, a plurality of spray heads 10 are uniformly and equidistantly fixedly arranged on the water pipe 8, a water inlet joint 9 is fixedly arranged on the water pipe 8, one end of the water inlet joint 9 and the input end of the spray head 10 extend to the inside of the water pipe 8, one end of the hose 13, which is far away from the water pump 11, is connected with one end of the water inlet joint 9 in a clamping sleeve manner, and the outer wall of the middle part of the water pipe 8 is provided with a pipeline supporting mechanism;

pipeline supporting mechanism includes riser 4, fender ring 5, water pipe installation pole 6, first sleeve 7, concave type board 27, installation axle 28 and fastening nut 29, the vertical fixed welding of first sleeve 7 is in a side of riser 4 that is close to water pump 11, the outside screw thread of water pipe installation pole 6 is installed and is kept off

ring

5, 6 slip of water pipe installation pole are cup jointed in first sleeve 7, just the bottom surface that keeps off ring 5 touches with the top of first sleeve 7 mutually, the fixed installation axle 28 that runs through of the fixed level of top department of water pipe installation pole 6, two blocks of curb plates of concave type board 27 are run through respectively at the both ends of installation axle 28, fastening nut 29 is installed to the equal screw thread in both ends department of installation axle 28, fastening nut 29 touches with the outer wall of concave type board 27 mutually.

Specifically, universal wheels 2 are installed at four corners of the bottom plate bottom surface of the base 1, and the wind scoops 17 are horn-shaped wind scoops.

Specifically, the partition 23 divides the interior of the dust collection box 16 into a dust collection area 24 and a filter area 25, a hollow groove 26 is formed in the partition 23, and the hollow groove 26 is located right below the brush 21, so that dust can be conveniently brushed into the dust collection area 24 for storage.

Specifically, a cover plate is mounted on one side face of the dust collection box 16 through a screw, and a rubber sealing strip is mounted at the contact position of the cover plate and the dust collection box 16.

Specifically, the top plate of the water tank 3 is provided with a water adding nozzle in a penetrating manner, and a side plate of the water tank 3 is provided with a liquid level observation window in an embedded manner.

Specifically, an activated carbon filter screen 30 is vertically installed in the water tank 3, the activated carbon filter screen 30 is located between the air inlet pipe 14 and the liquid outlet joint 12, and a plurality of activated carbon bags 31 are placed in the water tank 3, so that water in the water tank 3 can be purified conveniently.

Specifically, two handles of top department level fixedly connected with of 4 a sides of riser, the outer wall of handle is fixed to be cup jointed silica gel antiskid cover.

Specifically, the inner wall of the top of the second sleeve 18 is fixedly provided with a rubber sealing ring, the outer wall of the pull rod 19 is in contact with the inner ring of the sealing ring, and the top end of the pull rod 19 is horizontally and fixedly connected with a lifting handle, so that the pull rod 19 can be conveniently pulled.

The working principle is as follows: the electrical apparatus component that appears in this application all connects external intercommunication power and control switch when using, and the device contains dust absorption mechanism, and during the device used, is connected to outside rotary driving mechanism with dust collection box 16, fills up water in with water tank 3, under normal dust absorption mode: keeping a branch interface with an electromagnetic valve at the input end of the centrifugal pump 15 closed, when the centrifugal pump 15 of the dust collection mechanism works, forming negative pressure in the dust collection box 16, sucking most dust generated in engineering construction into the dust collection box 16 through the air funnel 17 under the action of the negative pressure, adhering and blocking most dust in the dust collection box 16 under the action of the dust filter 22 in the dust collection box 16, enabling the dust not filtered by the dust filter 22 to enter water in the water tank 3 through the air inlet pipe 14 along with air flow, dissolving the dust not filtered by the dust filter 22 into the water in the water tank 3 at the moment, further filtering the dust, when more dust is adhered on the dust filter 22, manually pulling the pull rod 19 of the dust removal mechanism, in the process of pulling the pull rod 19, brushing 21 at the bottom end of the pull rod 19 brushes the dust adhered on the dust filter 22, and not needing to frequently replace the dust filter 22 or take out and clean the dust filter 22, the cleaning of the dust filter 22 is greatly facilitated, when the air connector 20 needs to be cleaned, only the pull rod 19 needs to be lifted to the maximum stroke, then the baffle at the top of the pull rod is inserted into the branch interface of the air outlet connector 20 at the moment, external dust is temporarily prevented from entering the air outlet connector 20, the baffle is synchronously driven to the elastic sleeve to be extruded and deformed or stretched and deformed in the air outlet connector 20 in the process of inserting and pulling out the elastic opening, so that the accumulated dust drops, in addition, after the dust is collected in normal operation at normal time, if sludge on the inner wall of the water tank 3 needs to be cleaned, the baffle is kept inserted into the deepest part of the elastic opening, then the branch interface with the electromagnetic valve at the input end of the centrifugal pump 15 is opened, and water flow in the water tank 3 is driven to enter from the branch interface sequentially in the rotating process of the centrifugal pump and then flows out of the air inlet pipe 14 to the water tank, and a water body circulation is completed, and the circulation impact and the design that the bottom end of the branch interface is close to the inner wall of the water tank enable sludge accumulated on the inner wall of the water tank 3 to be impacted and cleaned.

The dust absorption mechanism adopts a filtering mode of blocking and washing, and has better filtering capacity. The device contains dust fall mechanism, the water pump 11 during operation of dust fall mechanism, make water in the water tank 3 introduce water pipe 8, then spout by water pipe 8's water supply connector 9, spun water can be located and the construction space is moist to the engineering construction this moment, the moist back of dust, the adhesion to ground sinks, thereby reduce the emergence of the dust circumstances of wafing everywhere, thereby reach the purpose of dust fall, dust fall mechanism's dust collection box 16 and the contained angle between the concave type board 27 can adjust, and then make the contained angle between water pipe 8 and the water pipe installation pole 6 change, be favorable to the change of water spray angle, the device structure is ingenious, the mode that has two kinds of dust falls, can select according to service environment and weather, the function is various, it is comparatively convenient to remove, the use of dust fall when being favorable to the small scale construction.

The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A dust suppression device for civil engineering construction, characterized in that it comprises a base (1), a water tank (3), a vertical plate (4), a dust suction mechanism and a dust suppression mechanism, and the top surface of the base (1) is sequentially fixed A water tank (3) and a vertical plate (4) are installed, the dust suction mechanism is installed on a side plate and a top plate of the water tank (3), and the dust suppression mechanism is installed on a side plate and a vertical plate ( 4) on;

The dust suction mechanism includes an air inlet pipe (14), a centrifugal pump (15), a dust collecting box (16), an air bucket (17), a dust filter screen (22), a partition plate (23) and a dust cleaning mechanism. The dust collecting box (16) is fixedly installed on the outer wall of the side plate of the water tank (3), and an air bucket (17) is fixedly installed through a side plate of the dust collecting box (16). The dust collecting box (16) An air outlet joint (20) is fixed and installed through the top plate of the dust collecting box (16), and a partition plate (23) is fixed horizontally and fixedly connected to a quarter of the dust collecting box (16) from the bottom to the top. A dust filter (22) is installed vertically between the top surface and the top plate of the dust collecting box (16). The dust filter (22) is located between the air bucket (17) and the air outlet joint (20). The mechanism is installed on the top plate of the dust collecting box (16), the top surface of the top plate of the water tank (3) is fixedly installed with a centrifugal pump (15) and an air inlet pipe (14) in sequence, and the bottom of the air inlet pipe (14) is fixedly installed. The end extends to the bottom plate near the water tank (3), the input end and the output end of the centrifugal pump (15) are respectively connected with the air outlet joint (20) and the top of the air inlet pipe (14) in a ferrule type connection, the centrifugal pump ( The input end of 15) is also connected to a branch interface with a solenoid valve, the branch interface and the air inlet pipe (14) are located on the left and right sides of the centrifugal pump (15) respectively, and the bottom end of the branch interface is inserted into the water tank (3). ), a slidable elastic sleeve is provided in the air outlet joint (20), an elastic opening is provided on the side of the sleeve adjacent to the pull rod (19), and two half-moon-shaped elastic sealing plates are arranged in the opening. The bottom end of the interface is close to the inner wall of the water tank (3);

The ash cleaning mechanism includes a second sleeve (18), a pull rod (19) and a brush (21), wherein a baffle plate is provided on the top of the pull rod, and after the pull rod (19) rises to the top, the top of the pull rod The baffle can be inserted into the elastic opening and tightly fit between the two half-moon-shaped elastic sealing plates. At the same time, the baffle is inserted and pulled out of the elastic opening and is simultaneously driven to extrude the elastic sleeve body in the air outlet joint (20). Pressure deformation or tensile deformation, the second sleeve (18) is vertically fixed and installed on the top plate of the dust collecting box (16), and the pull rod (19) is slidably sleeved inside the second sleeve (18) , a brush (21) is fixedly installed at the bottom end of the tie rod (19), the working surface of the brush (21) is in contact with one side of the dust filter screen (22), and the baffle (23) will collect The interior of the dust box (16) is divided into a dust collecting area (24) and a filtering area (25). ) directly below;

The dust suppression mechanism includes a water pipe (8), a water inlet joint (9), a spray head (10), a water pump (11), a liquid outlet joint (12), a hose (13) and a pipeline support mechanism, and the liquid outlet joint ( 12) Horizontally fixed through and installed at the bottom of a side plate of the water tank (3), a water pump (11) is fixedly installed on the outer wall of a side plate of the water tank (3) where the liquid outlet joint (12) is installed, and the water pump (11) The input end and the output end of ) are respectively connected with one end of the liquid outlet joint (12) and one end of the hose (13) in a ferrule type, and a plurality of spray heads (10) are fixedly installed on the water pipe (8) evenly and equidistantly. , a water inlet joint (9) is fixedly installed on the water pipe (8), one end of the water inlet joint (9) and the input end of the spray head (10) both extend to the inside of the water pipe (8), the hose (13) One end away from the water pump (11) is connected with one end of the water inlet joint (9) in a ferrule type, and a pipe support mechanism is installed on the outer wall at the middle of the water pipe (8);

The pipeline support mechanism comprises a vertical plate (4), a retaining ring (5), a water pipe installation rod (6), a first sleeve (7), a concave plate (27), an installation shaft (28) and a fastening nut (29) ), the first sleeve (7) is vertically fixed and welded on one side of the vertical plate (4) close to the water pump (11), and a retaining ring (5) is installed on the external thread of the water pipe installation rod (6), The water pipe installation rod (6) is slidably sleeved in the first sleeve (7), and the bottom surface of the retaining ring (5) is in contact with the top of the first sleeve (7). The water pipe installation rod ( 6) A mounting shaft (28) is installed horizontally and fixedly through the top of the mounting shaft (28). A tightening nut (29) is mounted on each thread, and the tightening nut (29) is in contact with the outer wall of the concave plate (27).

2. A dust suppression device for civil engineering construction according to claim 1, characterized in that: universal wheels (2) are installed at the four corners of the bottom surface of the base (1), and the air bucket (17) ) is a trumpet-shaped wind bucket.

3. A dust suppression device for civil engineering construction according to claim 1, characterized in that a cover plate is installed on one side of the dust collecting box (16) through screws, and the cover plate is connected to the dust collecting box (16). ) A rubber seal is installed at the contact.

4 . The dust suppression device for civil engineering construction according to claim 1 , wherein a water filling nozzle is installed through the top plate of the water tank (3), and a side plate of the water tank (3) is embedded and installed. 5 . There is a liquid level observation window.

5 . The dust suppression device for civil engineering construction according to claim 1 , wherein an activated carbon filter screen ( 30 ) is installed vertically in the water tank ( 3 ), and the activated carbon filter screen ( 30 ) is located in the inlet. 6 . Between the air duct (14) and the liquid outlet joint (12), a plurality of activated carbon packs (31) are placed in the water tank (3).

6 . The dust suppression device for civil engineering construction according to claim 1 , wherein two handles are fixed horizontally at the top of one side of the vertical plate ( 4 ), and the outer walls of the handles are fixed and sleeved. 7 . Has a silicone non-slip cover.

7. A dust suppression device for civil engineering construction according to claim 1, characterized in that: a rubber sealing ring is fixedly installed on the inner wall at the top of the second sleeve (18), and the outer wall of the tie rod (19) In contact with the inner ring of the sealing ring, the top end of the tie rod (19) is horizontally and fixedly connected with a handle.