CN112774368A

CN112774368A - All-round centrifugal spraying dust device of operation face of road and bridge construction usefulness

Info

Publication number: CN112774368A
Application number: CN202110023098.2A
Authority: CN
Inventors: 董捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-11

Abstract

The invention discloses an all-dimensional centrifugal spraying dust-settling device for an operation surface for road and bridge construction, which comprises a movable base, a servo motor, a one-way circulation valve, a refrigerating box and a liquid storage water tank, wherein the servo motor is fixedly arranged inside the movable base, the output end of the servo motor is provided with a transmission rod, a belt pulley is arranged on the transmission rod, the outer end of the belt pulley is arranged on a central rod, a drainage tube is arranged on the inner side of a treatment box and sleeved on the liquid storage water tank, the middle part of the upper end of the liquid storage water tank is provided with a guide tube, and the upper end of a water pump is provided with a. This all-round centrifugal spraying dust device of operation face of road and bridge construction usefulness can improve the holistic spraying dust fall scope of device when carrying out the dust fall and handling, avoids only can spraying in specific restricted area, can play certain cooling to the water in the water tank simultaneously at the in-process that uses and handle, reduces the possibility that the evaporation appears in water smoke when summer.

Description

All-round centrifugal spraying dust device of operation face of road and bridge construction usefulness

Technical Field

The invention relates to the technical field of road and bridge correlation, in particular to an all-dimensional centrifugal spraying dust-settling device for an operation surface for road and bridge construction.

Background

Along with the development of society, convenient degree when trading between the convenient each place city and the region is come and go out, road and bridge are most all by extensive construction, road and bridge generally are by the road bed, the road surface, several major parts such as bridge and tunnel engineering constitute, however when carrying out road and bridge's foundation construction, a large amount of dusts can all appear usually in the work area, these dusts float in the air not only can bring the injury for constructor but also can bring a lot of puzzlements for the pedestrian simultaneously, consequently to mostly all can use spraying dust device in order to reduce the influence of dust.

However, most of the prior spraying and dust-settling devices for road and bridge construction have the following problems:

one, as a space dust fall device for closed operation with publication number CN110585833A, wherein when the requirements of construction and dust removal are satisfied, the spray coverage of dust fall agent is increased by adopting a wide-angle spray mode, so as to improve the whole dust fall effect, although the wide-angle spray mode can increase the whole spray range, the whole spray range is still in a limited area, so that the spray angle of the spray head is not convenient to adjust in real time, and the dust fall effect of the space dust fall device is greatly reduced;

secondly, the in-process that current spraying dust device used in summer is not convenient for play certain cooling treatment effect to the water in the water tank to lead to the inside water of water tank to lead to the phenomenon that the evaporation appears in the water smoke easily under the influence of external factor and the shining of summer sunshine, and then reduced spraying dust device self practicality.

Therefore, an all-dimensional centrifugal spraying dust-settling device for an operation surface for road and bridge construction is provided so as to solve the problems.

Disclosure of Invention

The invention aims to provide an all-dimensional centrifugal spraying and dust-settling device for an operation surface for road and bridge construction, and aims to solve the problems that the whole spraying range of the existing spraying and dust-settling device in the market is still in a limited area, the real-time adjustment of the spraying angle of a spraying head is inconvenient, the self dust-settling effect is greatly reduced, and the certain cooling treatment effect on water in a water tank is inconvenient in the process of using in summer, so that the phenomenon that water mist is evaporated easily due to the influence of external factors and the irradiation of sunlight in summer is caused, and the practicability of the spraying and dust-settling device is further reduced.

In order to achieve the purpose, the invention provides the following technical scheme: an all-round centrifugal spraying dust device of working face for road and bridge construction comprises a movable base, a servo motor, a one-way circulation valve, a refrigeration box and a liquid storage water tank, wherein the servo motor is fixedly arranged in the movable base, a transmission rod is arranged at the output end of the servo motor, a belt pulley is arranged on the transmission rod, the outer end of the belt pulley is arranged on a central rod, a treatment box is fixedly arranged at the inner side of the movable base, a suction pipe is arranged at the upper end of the treatment box, the one-way circulation valve is fixedly arranged on the suction pipe, the suction pipe penetrates through the refrigeration box, a drainage pipe is arranged at the inner side of the treatment box, the drainage pipe is sleeved on the liquid storage water tank, a connecting plate is arranged at the upper end of the movable base, the lower end side of the connecting plate is arranged in a positioning column, and the inner part, the utility model discloses a hollow column, including holding the liquid water tank, the upper end of holding the liquid water tank is fixed with the outside, the upper end mid-mounting of holding the liquid water tank has the stand pipe, and the upper end fixed mounting of stand pipe is at the avris of water pump, the shunt tubes is installed to the upper end of water pump, the tip fixed mounting of shunt tubes is at the lower extreme avris of fixed hollow column, and fixed hollow column fixed mounting is in the inside of oversheath to oversheath.

Preferably, the central rod and the linkage rod are distributed in parallel, the central rod and the linkage rod are respectively in key connection with the incomplete gear and the circular gear, and the incomplete gear and the circular gear are in meshing connection.

Preferably, the incomplete gear and the movable plate are movably connected with the end part of the movable rod, the outer wall of the movable plate and the inner wall of the treatment box are mutually attached, and a sliding connection structure is formed between the movable plate and the treatment box.

Preferably, the linkage rod is connected with the lower end side of the connecting plate through a traction rope, and the lower end side of the connecting plate is connected with the positioning column in a sliding mode.

Preferably, the air suction pipe is arranged in the refrigeration box to be of a continuous S-shaped structure, the air suction pipe and the drainage pipe are both provided with one-way circulation valves, the drainage pipe and the outer wall of the liquid storage water tank are attached to each other, and the drainage pipe is uniformly wound on the outer side of the liquid storage water tank.

Preferably, the fixed hollow column and the adjusting disc are connected with each other through a bearing, the adjusting disc and the limiting blades are of a welding integrated structure, and the limiting blades are uniformly distributed on the outer side of the adjusting disc.

Preferably, the sleeve is installed to the avris of spacing blade, and the sheathed tube inboard installs the transverse bar to be threaded connection between sleeve and the transverse bar.

Preferably, the outer side of the sleeve is welded with an outer gear ring, the outer gear ring is meshed with the vertical rack, the vertical rack is fixedly installed on the outer side of the upper end of the vertical rod, the lower end of the vertical rod is fixedly installed inside the positioning column, and meanwhile the vertical rod is connected with the connecting plate in a sliding mode.

Preferably, a sliding connection structure is formed between the right end of the transverse rod and the side of the outer sheath, the inside of the transverse rod is of a hollow structure, and a drainage tube is arranged inside the transverse rod.

Compared with the prior art, the invention has the beneficial effects that: the omnibearing centrifugal spraying and dust-settling device for the working face for road and bridge construction can improve the whole spraying and dust-settling range of the device during dust-settling treatment, avoid spraying in a specific limited area, simultaneously perform certain cooling treatment on water in a water tank during use, and reduce the possibility of water mist evaporation in summer;

1. the movable plate can reciprocate up and down in the processing box under the action of the movable rod, external air can be squeezed into the drainage tube through the air suction tube and the processing box by the aid of the movable plate reciprocating up and down, the air is refrigerated through the refrigerating box after entering the air suction tube, and at the moment, cold air conveyed by the drainage tube coiled on the outer side of the liquid storage water tank refrigerates a water source in the liquid storage water tank, so that evaporation caused by overhigh spraying temperature is prevented;

2. the linkage rod can rotate in an uninterrupted forward and reverse rotation mode under the action of the circular gear and the vortex spring due to the rotation of the incomplete gear, the linkage rod can rotate in an uninterrupted forward and reverse rotation mode under the action of the compression spring due to the forward and reverse rotation of the linkage rod, the traction rope can be accommodated and lengthened, so that the connecting plate can reciprocate up and down under the action of the compression spring, and the range of spraying and dust falling can be effectively enlarged due to the lifting of the connecting plate;

3. be provided with the transverse bar, can carry the transverse bar to the air current after the liquid storage water tank cooling through the drainage tube, thereby utilize the transverse bar with the air current blowout, thereby utilize spun air current can drive spacing blade and drive the adjusting disk and rotate, rotation through the adjusting disk and then can increase the blowout scope of water smoke under centrifugal force's guide, simultaneously through the reciprocating motion of transverse bar in the intraduct, thereby can effectual change the bore size of blowout air current, through changing air current spun bore size and then can change the impact force to spacing blade, make the rotational speed of spacing blade change from this, utilize the change of rotational speed to make its centrifugal force change, the spray range of improvement water smoke that can step forward through the change of centrifugal force.

Drawings

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

FIG. 2 is a schematic top view of the incomplete gear and the circular gear of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the suction duct and refrigeration cassette of the present invention;

FIG. 5 is a schematic top view of a draft tube and a reservoir tank of the present invention;

FIG. 6 is a schematic cross-sectional view of a positioning post and vertical post of the present invention;

FIG. 7 is a front cross-sectional structural view of the fixed hollow post and outer sheath of the present invention;

FIG. 8 is a front view of the sleeve and transverse bar of the present invention;

FIG. 9 is a schematic top view of the adjusting disk and position limiting vanes of the present invention;

FIG. 10 is a cross-sectional structural view of a linkage rod according to the present invention.

In the figure: 1. moving the base; 2. a servo motor; 3. a transmission rod; 4. a belt pulley; 5. a center pole; 6. a stub gear; 7. a circular gear; 8. a linkage rod; 9. a hauling rope; 10. a movable rod; 11. moving the plate; 12. a treatment tank; 13. an air intake duct; 14. a one-way flow valve; 15. a refrigeration case; 16. a drainage tube; 17. a liquid storage water tank; 18. a connector tile; 19. a positioning column; 20. a compression spring; 21. a guide tube; 22. a water pump; 23. a shunt tube; 24. fixing the hollow column; 25. an outer sheath; 26. an adjusting disk; 27. limiting the blades; 28. a sleeve; 29. a transverse bar; 30. an outer ring gear; 31. a vertical rack; 32. and (6) erecting a rod.

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. 1-10, the present invention provides a technical solution: an omnibearing centrifugal spraying dust-settling device for an operation surface for road and bridge construction comprises a movable base 1, a servo motor 2, a transmission rod 3, a belt pulley 4, a central rod 5, a defective gear 6, a circular gear 7, a linkage rod 8, a traction rope 9, a movable rod 10, a movable plate 11, a treatment box 12, an air suction pipe 13, a one-way circulation valve 14, a refrigeration box 15, a drainage pipe 16, a liquid storage water tank 17, a connecting plate 18, a positioning column 19, a compression spring 20, a guide pipe 21, a water pump 22, a shunt pipe 23, a fixed hollow column 24, an outer sheath 25, an adjusting disc 26, a limiting blade 27, a sleeve 28, a transverse rod 29, an outer gear ring 30, a vertical rack 31 and a vertical rod 32, wherein the servo motor 2 is fixedly arranged inside the movable base 1, the transmission rod 3 is arranged at the output end of the servo motor 2, the belt pulley 4 is arranged on the transmission rod 3, a treatment box 12 is fixedly arranged on the inner side of the movable base 1, an air suction pipe 13 is arranged at the upper end of the treatment box 12, a one-way circulation valve 14 is fixedly arranged on the air suction pipe 13, the air suction pipe 13 is arranged in a refrigeration box 15 in a penetrating manner, a drainage pipe 16 is arranged on the inner side of the treatment box 12, the drainage pipe 16 is sleeved on a liquid storage water tank 17, a connecting plate 18 is arranged at the upper end of the movable base 1, the lower end side of the connecting plate 18 is arranged in a positioning column 19, the inner part of the positioning column 19 and the connecting plate 18 are connected with each other through a compression spring 20, a guide pipe 21 is arranged in the middle of the upper end of the liquid storage water tank 17, the upper end of the guide pipe 21 is fixedly arranged on the side of a water pump 22, a shunt pipe 23 is arranged at the upper end of the water pump 22, and an outer sheath 25 is fixedly installed at the upper end side of the engagement plate 18.

Be parallel distribution between well core rod 5 and the gangbar 8, and well core rod 5 and gangbar 8 respectively with incomplete gear 6 and round gear 7 between be the key-type connection, and meshing connection between incomplete gear 6 and the round gear 7, well core rod 5's rotation can drive incomplete gear 6 and carry out synchronous rotation, incomplete gear 6's rotation can make gangbar 8 carry out synchronous rotation under round gear 7's effect.

The incomplete gear 6 and the moving plate 11 are movably connected with the end part of the movable rod 10, the outer wall of the moving plate 11 and the inner wall of the treatment box 12 are mutually attached, a sliding connection structure is formed between the moving plate 11 and the treatment box 12, and the moving plate 11 can reciprocate in the treatment box 12 under the action of the movable rod 10 due to the rotation of the incomplete gear 6.

The linkage rod 8 and the lower end side of the connecting plate 18 are connected with each other through a traction rope 9, the lower end side of the connecting plate 18 is connected with the positioning column 19 in a sliding mode, and the linkage rod 8 can rotate to drive the connecting plate 18 to slide inside the positioning column 19 under the action of the traction rope 9.

The air suction pipe 13 is arranged in the refrigeration box 15 to be of a continuous S-shaped structure, the air suction pipe 13 and the drainage pipe 16 are both provided with one-way flow valves 14, the drainage pipe 16 and the outer wall of the liquid storage water tank 17 are attached to each other, the drainage pipe 16 is uniformly wound on the outer side of the liquid storage water tank 17, and the air suction pipe 13 is of the continuous S-shaped structure in the refrigeration box 15, so that the time for the air sucked by the air suction pipe 13 to flow in the refrigeration box 15 can be increased.

The fixed hollow column 24 and the adjusting disc 26 are connected with each other through a bearing, the adjusting disc 26 and the limiting blades 27 are of a welding integrated structure, the limiting blades 27 are evenly distributed on the outer side of the adjusting disc 26, and the adjusting disc 26 rotates on the fixed hollow column 24 so that water mist can be sprayed to a farther area under the guidance of centrifugal force.

The side of the limiting blade 27 is provided with a sleeve 28, the inner side of the sleeve 28 is provided with a transverse rod 29, the sleeve 28 and the transverse rod 29 are in threaded connection, and the sleeve 28 and the transverse rod 29 are in threaded connection, so that the transverse rod 29 can be conveniently moved in the sleeve 28.

The outer side of the sleeve 28 is welded with an outer gear ring 30, the outer gear ring 30 is meshed with the vertical rack 31, the vertical rack 31 is fixedly arranged on the outer side of the upper end of the upright rod 32, the lower end of the upright rod 32 is fixedly arranged in the positioning column 19, the upright rod 32 is connected with the connecting plate 18 in a sliding manner, the outer gear ring 30 can drive the sleeve 28 to synchronously rotate under the action of the vertical rack 31,

a sliding connection structure is formed between the right end of the transverse rod 29 and the side of the outer sheath 25, the inside of the transverse rod 29 is a hollow structure, the drainage tube 16 is installed inside the transverse rod 29, and the transverse rod 29 can be prevented from synchronously rotating along with the sleeve 28 due to the sliding of the transverse rod 29 on the outer sheath 25.

The working principle is as follows: when the omnibearing centrifugal spraying dust-settling device for the working face for road and bridge construction is used, firstly, as shown in figures 1-10, when the dust-settling operation is carried out, a handle on the left side of a movable base 1 is pushed to move, then a servo motor 2 is started, a driving rod 3 can be rotated by starting the servo motor 2, the driving rod 3 can be rotated by the driving rod 3, a central rod 5 can be rotated by a belt pulley 4, a incomplete gear 6 can be synchronously rotated by the rotation of the central rod 5, as shown in figures 1 and 3-5, the movable plate 11 can be vertically reciprocated inside a treatment box 12 by the rotation of the incomplete gear 6 under the action of a movable rod 10, and external air can be extruded into a drainage tube 16 through an air suction pipe 13 and the treatment box 12 under the action of negative pressure by the vertical reciprocating motion of the movable plate 11, when the air is sucked by the air suction pipe 13, the sucked air can be refrigerated under the action of the refrigerating box 15, and at the moment, when the cold air is conveyed by the drainage pipe 16 wound on the liquid storage water tank 17, the internal water source of the liquid storage water tank 17 can be refrigerated, so that the phenomenon that the temperature of the water source in the liquid storage water tank 17 is increased due to the influence of external factors, and the phenomenon that the spray temperature is overhigh and is evaporated is avoided;

as shown in fig. 1-2, 6-7 and 10, when the incomplete gear 6 rotates and the tooth blocks on the incomplete gear 6 and the tooth blocks on the circular gear 7 contact each other, the linkage rod 8 can be driven to synchronously rotate under the action of the circular gear 7, at this time, the linkage rod 8 can receive the traction rope 9 by rotation, the received traction rope 9 can pull the connecting plate 18 to slide inside the positioning column 19, when the tooth blocks on the incomplete gear 6 do not contact each other with the tooth blocks on the circular gear 7, the linkage rod 8 is reset under the action of the vortex spring, at this time, the linkage rod 8 lengthens the traction rope 9, then the traction rope 9 stops pulling the connecting plate 18 downwards, the connecting plate 18 is reset under the action of the compression spring 20, thereby realizing the up-and-down reciprocating motion of the connecting plate 18, and finally, the water pump 22 is started, the water pump 22 is started so as to convey water in the liquid storage water tank 17 to the fixed hollow column 24 under the action of the guide pipe 21 and the shunt pipe 23, water mist is sprayed outwards through the fixed hollow column 24 and the adjusting disc 26, and at the moment, the connecting plate 18 reciprocates up and down so as to effectively improve the spraying range of the water mist;

as shown in fig. 1 and 7-9, when the connector tile 18 reciprocates up and down, the components thereon can be driven to move up and down synchronously, because the upper end of the drainage tube 16 is installed inside the transverse rod 29, at this time, air cooled by the liquid storage tank 17 inside the drainage tube 16 is conveyed to the inside of the transverse rod 29, and is sprayed out by the transverse rod 29, the air flow sprayed out by the transverse rod 29 can impact the limiting blade 27, at this time, the limiting blade 27 drives the adjusting disc 26 to rotate on the fixed hollow column 24, the spraying range of the sprayed water mist can be improved under the guidance of centrifugal force by the rotation of the adjusting disc 26, at the same time, when the connector tile 18 moves down, the sleeve 28 on the outer sheath 25, the transverse rod 29 and the outer gear ring 30 can move synchronously, at this time, the outer gear ring 30 can move under the action of the vertical rack 31, the outer gear ring 30 drives the sleeve 28 to synchronously rotate, the sleeve 28 is in threaded connection with the transverse rod 29, the front end of the inner transverse rod 29 can extend out of the sleeve 28 after the sleeve 28 rotates, the outer gear ring 30 reversely rotates under the action of the vertical rack 31 after the connecting plate 18 moves upwards, the outer gear ring 30 drives the sleeve 28 to synchronously reversely rotate, the front end of the transverse rod 29 moves into the sleeve 28, as shown in figures 7-9, the upper end of the drainage tube 16 is arranged inside the transverse rod 29, and the aperture cross-sectional area of the sleeve 28 is larger than that of the transverse rod 29, so that the flow rate of the gas sprayed out of the sleeve 28 with a large aperture cross-sectional area is smaller than that of the gas sprayed out of the sleeve 28 after the front end of the transverse rod 29 extends out of the sleeve 28 within a certain time because the upper end of the drainage tube 16 is arranged inside the transverse rod 29, and the flow rate of the sprayed gas can be changed in real time through, then, the impact force on the limiting blades 27 can be changed by changing the flow velocity of the ejected gas, the rotating speed of the adjusting disc 26 can be changed by changing the impact force on the limiting blades 27 at the moment, the centrifugal force of the adjusting disc 26 can be effectively changed by changing the rotating speed of the adjusting disc 26, and the range of the ejected water mist can be further changed by changing the centrifugal force of the adjusting disc 26, so that the whole spraying and dust falling range and effect are improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an all-round centrifugal spraying dust device of operation face of road and bridge construction usefulness, includes removal base (1), servo motor (2), one-way flow valve (14), refrigeration case (15) and holds liquid water tank (17), its characterized in that: the automatic water supply device is characterized in that a servo motor (2) is fixedly mounted inside the movable base (1), a transmission rod (3) is mounted at the output end of the servo motor (2), a belt pulley (4) is mounted on the transmission rod (3), the outer end of the belt pulley (4) is mounted on a central rod (5), a treatment box (12) is fixedly mounted at the inner side of the movable base (1), a suction pipe (13) is mounted at the upper end of the treatment box (12), a one-way circulation valve (14) is fixedly mounted on the suction pipe (13), the suction pipe (13) is mounted inside a refrigeration box (15) in a penetrating mode, a drainage pipe (16) is mounted at the inner side of the treatment box (12), the drainage pipe (16) is sleeved on a liquid storage water tank (17), a connecting plate (18) is mounted at the upper end of the movable base (1), and the lower end of the connecting, and the inside of the positioning column (19) is connected with the connecting plate (18) through a compression spring (20), the middle part of the upper end of the liquid storage water tank (17) is provided with a guide pipe (21), the upper end of the guide pipe (21) is fixedly arranged on the side of a water pump (22), the upper end of the water pump (22) is provided with a shunt pipe (23), the end part of the shunt pipe (23) is fixedly arranged on the side of the lower end of a fixed hollow column (24), the fixed hollow column (24) is fixedly arranged inside an outer sheath (25), and the outer sheath (25) is fixedly arranged on the side of the upper end of the connecting plate (18).

2. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, which is used according to claim 1, is characterized in that: the gear transmission mechanism is characterized in that the central rod (5) and the linkage rod (8) are distributed in parallel, the central rod (5) and the linkage rod (8) are respectively connected with the incomplete gear (6) and the circular gear (7) through keys, and the incomplete gear (6) and the circular gear (7) are connected through meshing.

3. The omnibearing centrifugal spraying and dust falling device for the working face for road and bridge construction, according to claim 2, is characterized in that: the incomplete gear (6) and the movable plate (11) are movably connected with the end part of the movable rod (10), the outer wall of the movable plate (11) is attached to the inner wall of the treatment box (12), and a sliding connection structure is formed between the movable plate (11) and the treatment box (12).

4. The omnibearing centrifugal spraying and dust falling device for the working face for road and bridge construction, according to claim 2, is characterized in that: the linkage rod (8) is connected with the lower end side of the connecting plate (18) through a traction rope (9), and the lower end side of the connecting plate (18) is connected with the positioning column (19) in a sliding mode.

5. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, which is used according to claim 1, is characterized in that: the air suction pipe (13) is arranged in the refrigerating box (15) to be of a continuous S-shaped structure, the air suction pipe (13) and the drainage pipe (16) are respectively provided with a one-way circulation valve (14), the drainage pipe (16) and the outer wall of the liquid storage water tank (17) are mutually attached, and the drainage pipe (16) is uniformly coiled on the outer side of the liquid storage water tank (17).

6. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, which is used according to claim 1, is characterized in that: the fixed hollow column (24) and the adjusting disc (26) are connected with each other through a bearing, the adjusting disc (26) and the limiting blades (27) are of a welding integrated structure, and the limiting blades (27) are uniformly distributed on the outer side of the adjusting disc (26).

7. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, according to claim 6, is characterized in that: the sleeve (28) is installed to the avris of spacing blade (27), and horizontal pole (29) is installed to the inboard of sleeve (28), and be threaded connection between sleeve (28) and horizontal pole (29).

8. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, according to claim 7, is characterized in that: the outer side of the sleeve (28) is provided with an outer gear ring (30) in a welded mode, the outer gear ring (30) and the vertical rack (31) are connected in a meshed mode, the vertical rack (31) is fixedly installed on the outer side of the upper end of the vertical rod (32), the lower end of the vertical rod (32) is fixedly installed inside the positioning column (19), and meanwhile the vertical rod (32) is in sliding connection with the connecting plate (18).

9. The omnibearing centrifugal spraying and dust-settling device for the working face of the road and bridge construction, according to claim 7, is characterized in that: a sliding connection structure is formed between the right end of the transverse rod (29) and the side of the outer sheath (25), the inside of the transverse rod (29) is of a hollow structure, and a drainage tube (16) is arranged inside the transverse rod (29).