Dust suppression spraying device for municipal engineering

Abstract

The dust suppression spraying device comprises a bottom plate, the top of the bottom plate is fixedly connected with a water tank, the top of the water tank is fixedly connected with a water pump, one side of the water pump is communicated with a water pumping pipe, and the outer wall of the water pumping pipe is communicated with the top of the water tank. According to the dust suppression spraying device for municipal engineering, the first servo motor, the bevel gear set, the threaded rod, the threaded block, the first fixing base, the connecting plate, the supporting base and the second fixing base are matched, the spraying angle is adjusted, and the problem that when an existing dust suppression spraying device for municipal engineering is used, the spraying angle cannot be adjusted is solved. The problems that in the prior art, workers carry out dust falling through a spray head on the device, due to the fact that the position of the spray head is fixed, the spraying angle is inconvenient to adjust, the needed dust falling effect cannot be achieved, dust drifts into the air, and the environment around a construction site is polluted are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal engineering technical field, concretely is a dust suppression spraying device for municipal engineering. BACKGROUND

[0002] Municipal engineering refers to the civil engineering, pipeline, equipment installation engineering of city road, public traffic, water supply, drainage, gas, heat, garden, environmental sanitation, sewage treatment, garbage treatment, flood control, underground public facilities and auxiliary facilities, and needs to use dust suppression spraying device in municipal engineering.

[0003] A large amount of dust will be produced in municipal engineering, dust pollution is prevented to air, and staff sprays water to the construction site being constructed through dust suppression spraying device, so as to achieve dust fall effect.

[0004] The existing municipal engineering dust suppression spraying device is inconvenient to adjust the spraying angle when being used, so the required dust fall effect cannot be achieved, dust is scattered to air, and the environment around the construction site is polluted. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a dust suppression spraying device for municipal engineering, which solves the problems that the existing municipal engineering dust suppression spraying device is inconvenient to adjust the spraying angle when being used, so the required dust fall effect cannot be achieved, dust is scattered to air, and the environment around the construction site is polluted.

[0006] The utility model discloses a dust suppression spraying device for municipal engineering, including the bottom plate, the top fixed connection of bottom plate has the water tank, the top fixed connection of water tank has the water pump, the input of water pump is connected with the water suction pipe, and the water suction pipe extends to the inside of water tank, and the output of water pump is connected with the water outlet pipe, and the tail of water outlet pipe is connected with the communicating chamber, and the lateral wall fixed connection of communicating chamber has the shower nozzle, and the below of communicating chamber is provided with the adjusting mechanism, and adjusting mechanism includes the first servo motor, bevel gear set, threaded rod, threaded block, first fixed seat, connecting plate, support seat and second fixed seat, and the first servo motor is fixedly connected with the bottom plate top side away from water tank through motor base, and the output of first servo motor is installed with threaded rod through bevel gear set, and the outer wall screw thread connection of threaded rod has threaded block, and the lateral wall fixed connection of threaded block has first fixed seat, and first fixed seat is rotatably connected with connecting plate through the pivot, and the top of connecting plate is rotatably connected with support seat through the pivot, and the top fixed connection of support seat is in the bottom of communicating chamber, and the bottom of support seat is rotatably connected with second fixed seat through the pivot away from connecting plate one side, and the bottom fixed connection of second fixed seat is in water tank top side away from water pump.

[0007] Preferably, the top of the water tank is provided with a diffusion mechanism, the diffusion mechanism comprising a second servo motor, a transmission assembly, a fan blade, a connecting rod, and a vertical plate, the second servo motor being fixedly connected to the top of the water tank through a motor base, the output end of the second servo motor being provided with a transmission assembly, both sides of the transmission assembly being provided with a fan blade, the tail of the fan blade on one side being fixedly connected to the output end of the second servo motor, the tail of the fan blade on the other side being fixedly connected with a connecting rod, the end of the connecting rod being rotatably connected with a vertical plate through a bearing, and the bottom of the vertical plate being fixedly connected to the top of the water tank away from the second servo motor.

[0008] Preferably, the top of the bottom plate near the water tank is fixedly connected with a support on both sides, and a cross bar is fixedly connected between the two supports.

[0009] Preferably, the bottom of the bottom plate is provided with a universal wheel at each corner.

[0010] Preferably, the top of the water tank near the water suction pipe is provided with a water replenishment opening, and the top of the water replenishment opening is threadedly connected with a sealing cover.

[0011] Preferably, the outer wall of the threaded block away from the first fixed seat is fixedly connected with a sliding block, the outer wall of the sliding block is slidably connected with a sliding rail, and the outer wall of the sliding rail away from the sliding block is fixedly connected to one side of the water tank.

[0012] Preferably, the bottom plate top is fixedly connected with a curved plate near the side of the first servo motor, the top of the curved plate is movably connected with a threaded rod, and the side wall of the curved plate is fixedly connected to the side wall of the water tank.

[0013] Advantages

[0014] The utility model provides a dust suppression spraying device for municipal engineering. Have the following advantages: the dust suppression spraying device for municipal engineering, through the cooperation between first servo motor, bevel gear set, threaded rod, threaded block, first fixed seat, connecting plate, support base and second fixed seat, the angle of spraying is adjusted, solve the existing municipal engineering dust suppression spraying device when using, the staff carries out dust fall through the spray head on the device, because the position of the spray head is fixed, it is inconvenient to adjust the spraying angle, thereby cannot reach the required dust fall effect, lead to dust to scatter to the air, cause the problem of the environment around the construction site pollution.

[0015] Through the cooperation between second servo motor, transmission assembly, fan blade, connecting rod and vertical plate, the spraying range is expanded, the existing municipal engineering dust suppression spraying device is solved, when needing to spray a large range site, it can appear that the spraying range is limited, lead to still needing to carry out secondary spraying to the corner of the site, thereby reduce the work efficiency problem. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 The appearance schematic diagram;

[0018] Figure 3 It is Figure 1 The structure schematic diagram of the bottom plate, water tank and first servo motor in it;

[0019] Figure 4 It is Figure 1 The structure schematic diagram of transmission assembly, fan blade and connecting rod in it.

[0020] In the drawing: 1, bottom plate; 2, water tank; 3, water pump; 4, water suction pipe; 5, water outlet pipe; 6, communication chamber; 7, spray head; 8, support; 9, horizontal rod; 10, universal wheel; 11, water replenishing port; 12, sealing cover; 13, first servo motor; 14, bevel gear set; 15, threaded rod; 16, threaded block; 17, first fixed seat; 18, connecting plate; 19, support base; 20, second fixed seat; 21, sliding block; 22, slide rail; 23, second servo motor; 24, transmission assembly; 25, fan blade; 26, connecting rod; 27, vertical plate; 28, curved plate. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present utility model.

[0022] The existing municipal engineering dust suppression spraying device is inconvenient to adjust the spraying angle when the staff reduces dust through the nozzle on the device, so that the required dust reduction effect cannot be achieved, and dust is scattered into the air, polluting the environment around the construction site.

[0023] Therefore, the utility model provides a dust suppression spraying device for municipal engineering, which adjusts the spraying angle through the cooperation between the first servo motor, bevel gear set, threaded rod, threaded block, first fixed seat, connecting plate, support seat and second fixed seat, solves the problem that the existing municipal engineering dust suppression spraying device is inconvenient to adjust the spraying angle when the staff reduces dust through the nozzle on the device, so that the required dust reduction effect cannot be achieved, and dust is scattered into the air, polluting the environment around the construction site.

[0024] The person skilled in the art will connect the parts in the case in sequence, and the specific connection and operation sequence should refer to the working principle. The detailed connection means is a well-known technology in the art, and the working principle and process are mainly introduced below.

[0025] Embodiment 1, by Figures 1-4It can be known that the dust suppression spraying device for municipal engineering in the case comprises a bottom plate 1, a water tank 2 is fixedly connected to the top of the bottom plate 1, a water pump 3 is fixedly connected to the top of the water tank 2, an external power supply is connected by a worker, the water pump 3 is started, the input end of the water pump 3 is communicated with a water suction pipe 4, the water suction pipe 4 extends into the water tank 2, the water pump 3 draws water from the inner wall of the water tank 2 through the water suction pipe 4, the output end of the water pump 3 is communicated with a water outlet pipe 5, the distal end of the water outlet pipe 5 is communicated with a communication cavity 6, the water pump 3 delivers water to the inside of the communication cavity 6 through the water outlet pipe 5, a spray head 7 is fixedly connected to the side wall of the communication cavity 6, the spray head 7 is an atomizing spray head, and there are a plurality of spray heads 7, which cooperate with the communication cavity 6 to expand the spraying range of the water outlet pipe 5, the water in the communication cavity 6 is sprayed to the outside of the device through the spray head 7, an adjusting mechanism is arranged below the communication cavity 6, the adjusting mechanism comprises a first servo motor 13, a bevel gear set 14, a threaded rod 15, a threaded block 16, a first fixed seat 17, a connecting plate 18, a support seat 19 and a second fixed seat 20, the model of the first servo motor 13 is selected according to actual requirements, and the first servo motor 13 can meet the work, an external power supply is connected, the first servo motor 13 is started, the first servo motor 13 is fixedly connected to one side, away from the water tank 2, of the top of the bottom plate 1 through a motor base, the output end of the first servo motor 13 is provided with the threaded rod 15 through the bevel gear set 14, the bevel gear set 14 comprises a first bevel gear and a second bevel gear, the inner wall of the first bevel gear is fixedly connected to the output end outer wall of the first servo motor 13, the outer wall of the first bevel gear is meshedly connected with the second bevel gear, and the inner wall of the second bevel gear is fixedly connected to the outer wall bottom of the threaded rod 15, the first servo motor 13 drives the threaded rod 15 to rotate through the bevel gear set 14, the outer wall of the threaded rod 15 is screw-connected with the threaded block 16, the threaded rod 15 drives the threaded block 16 to move, when the threaded block 16 moves upwards, the side wall of the threaded block 16 is fixedly connected with the first fixed seat 17, the threaded block 16 drives the first fixed seat 17 to move upwards, the first fixed seat 17 is rotatably connected with the connecting plate 18 through a pin shaft, the first fixed seat 17 drives the connecting plate 18 to move upwards through the pin shaft, the top of the connecting plate 18 is rotatably connected with the support seat 19 through a pin shaft, the connecting plate 18 drives the support seat 19 to move upwards through the pin shaft, the top of the support seat 19 is fixedly connected to the bottom of the communication cavity 6, the support seat 19 drives the spray head 7 on the communication cavity 6 to move upwards, one side, away from the connecting plate 18, of the bottom of the support seat 19 is rotatably connected with the second fixed seat 20 through a pin shaft, the second fixed seat 20 prevents the support seat 19 from moving forward, ensures that the support seat 19 moves up and down, and the bottom of the second fixed seat 20 is fixedly connected to one side, away from the water pump 3, of the top of the water tank 2, when the threaded block 16 moves downwards, the movement trajectories of various components are opposite to those in the above action, so that the spray head 7 moves downwards;

[0026] In the implementation process, it is worth pointing out that the staff is connected to the external power supply, the water pump 3 is started, the water pump 3 draws water from the inner wall of the water tank 2 through the water suction pipe 4, the water pump 3 delivers water to the inside of the communication cavity 6 through the water outlet pipe 5, the spray head 7 is an atomizing spray head, and the spray head 7 has a plurality of spray heads. The spray range of the water outlet pipe 5 is expanded in cooperation with the communication cavity 6, the water in the communication cavity 6 is sprayed to the outside of the device through the spray head 7, the first servo motor 13 is selected according to the actual demand, and the work is satisfied. Connect to the external power supply, start the first servo motor 13, the bevel gear set 14 includes a first bevel gear and a second bevel gear, the inner wall of the first bevel gear is fixedly connected to the outer wall of the output end of the first servo motor 13, the outer wall of the first bevel gear is meshedly connected with the second bevel gear, and the inner wall of the second bevel gear is fixedly connected to the outer wall bottom of the threaded rod 15. The first servo motor 13 drives the threaded rod 15 to rotate through the bevel gear set 14, the threaded rod 15 drives the threaded block 16 to move, when the threaded block 16 moves upward, the threaded block 16 drives the first fixed seat 17 to move upward, the first fixed seat 17 drives the connecting plate 18 to move upward through the pin shaft, the connecting plate 18 drives the support seat 19 to move upward through the pin shaft, the support seat 19 drives the spray head 7 on the communication cavity 6 to move upward, the second fixed seat 20 prevents the support seat 19 from moving forward, and ensures that the support seat 19 moves up and down. When the threaded block 16 moves downward, the movement trajectories of various components are opposite to the above-mentioned actions, so that the spray head 7 moves downward, and the spraying range of the dust suppression spraying device is increased;

[0027] Further, the top of the water outlet tank 2 is provided with a diffusion mechanism, the diffusion mechanism comprising a second servo motor 23, a transmission assembly 24, a fan blade 25, a connecting rod 26 and a vertical plate 27, the type of the second servo motor 23 is selected according to the actual demand, and the work is satisfied. Connect to the external power supply, start the second servo motor 23, the second servo motor 23 is fixedly connected to the top of the water tank 2 through the motor base, the output end of the second servo motor 23 is provided with the transmission assembly 24, the second servo motor 23 drives the transmission assembly 24 to rotate, the transmission assembly 24 comprises a belt, a first belt pulley and a second belt pulley, the first belt pulley is located on the outer wall of the second servo motor 23, and the second belt pulley is located on the outer wall of the connecting rod 26. Of course, this is only one implementation provided by the embodiment, and in the specific application process, the transmission of the fan blade 25 and the second servo motor 23 can also be realized through other structures, and the technical solutions and functions recorded in the embodiment are realized. The transmission assembly 24 is provided with the fan blade 25 on both sides, the fan blade 25 has two, and is located in front of the two belt pulleys respectively. The tail of one side of the fan blade 25 is fixedly connected to the output end of the second servo motor 23, the tail of the other side of the fan blade 25 is fixedly connected with the connecting rod 26, the end of the connecting rod 26 is rotatably connected with the vertical plate 27 through the bearing, and the bottom of the vertical plate 27 is fixedly connected to one side of the top of the water tank 2 away from the second servo motor 23. The transmission assembly 24 drives the two fan blades 25 to rotate;

[0028] In the implementation process, it is worth pointing out that the model of the second servo motor 23 is selected according to actual needs, and it is enough to meet the work. Connect an external power supply, start the second servo motor 23, and the second servo motor 23 drives the transmission assembly 24 to rotate. The transmission assembly 24 includes a belt, a first belt pulley and a second belt pulley. The first belt pulley is located on the outer wall of the second servo motor 23, and the second belt pulley is located on the outer wall of the connecting rod 26. Of course, this is only one implementation provided by the embodiment, and other structures can also be used to realize the transmission between the fan blades 25 and the second servo motor 23 in the specific application process. The technical solutions and functions described in the embodiment are used as the criterion. The fan blades 25 are two and are located in front of the two belt pulleys. The transmission assembly 24 drives the two fan blades 25 to rotate, thereby improving the spraying efficiency of the dust suppression spraying device.

[0029] Further, the bottom plate 1 is fixedly connected with a support 8 on the side near the water tank 2, and the two supports 8 are fixedly connected with a horizontal rod 9. The staff pushes the dust suppression spraying device to move through the horizontal rod 9.

[0030] In the implementation process, it is worth pointing out that the staff pushes the dust suppression spraying device to move through the horizontal rod 9, thereby increasing the convenience of the dust suppression spraying device.

[0031] Specifically, first, the staff connects the external power supply, starts the water pump 3, the water pump 3 draws water from the inner wall of the water tank 2 through the water suction pipe 4, and the water pump 3 delivers water to the inside of the communication cavity 6 through the water outlet pipe 5. The nozzle 7 is an atomizing nozzle, and the nozzle 7 has a plurality of nozzles. The communication cavity 6 expands the spray range of the water outlet pipe 5, the water in the communication cavity 6 is sprayed to the outside of the device through the nozzle 7, the staff connects the external power supply of the first servo motor 13, starts the first servo motor 13, the first servo motor 13 drives the threaded rod 15 to rotate through the bevel gear set 14, the threaded rod 15 drives the threaded block 16 to move, when the threaded block 16 moves upward, the threaded block 16 drives the first fixed seat 17 to move upward, the first fixed seat 17 drives the connecting plate 18 to move upward through the pin shaft, the connecting plate 18 drives the support seat 19 to move upward through the pin shaft, the support seat 19 drives the nozzle 7 on the communication cavity 6 to move upward, the second fixed seat 20 prevents the support seat 19 from moving forward, and ensures that the support seat 19 moves up and down, when the threaded block 16 moves downward, the movement trajectories of various parts are opposite to the above-mentioned actions, so that the nozzle 7 moves downward, the range of the dust suppression spraying device is increased, secondly, the staff connects the external power supply, starts the second servo motor 23, the second servo motor 23 drives the transmission assembly 24 to rotate, the transmission assembly 24 includes a belt, a first belt pulley and a second belt pulley, the first belt pulley is located on the outer wall of the second servo motor 23, and the second belt pulley is located on the outer wall of the connecting rod 26. Of course, this is only one implementation provided by the embodiment, and other structures can also be used to realize the transmission between the fan blade 25 and the second servo motor 23 in the specific application process. The technical solutions and functions described in the embodiment are used as the standard. The fan blade 25 has two, which are respectively located in front of the two belt pulleys. The transmission assembly 24 drives the two fan blades 25 to rotate, so that the spraying efficiency of the dust suppression spraying device is improved, and finally, when the dust suppression spraying device needs to be moved, the staff pushes the dust suppression spraying device to move through the cross rod 9, so that the convenience of the dust suppression spraying device is increased.

[0032] In embodiment 2, Figures 1-4 It can be seen that the four corners of the bottom plate 1 are provided with universal wheels 10, and the universal wheels 10 support the bottom plate 1;

[0033] In the specific implementation process, it is particularly worth noting that the universal wheels 10 support the bottom plate 1, so that the convenience of the dust suppression spraying device is improved;

[0034] Further, the water tank 2 is provided with a water supplementing opening 11 on one side near the water suction pipe 4 at the top, and a sealing cover 12 is threadedly connected to the top of the water supplementing opening 11. When the water in the water tank 2 is insufficient, the staff rotates the sealing cover 12 clockwise, removes the sealing cover 12, delivers water into the water tank 2, rotates the sealing cover 12 counterclockwise, and covers the sealing cover 12 to complete the water supplementing work;

[0035] In the implementation process, it is worth pointing out that when the water tank 2 is insufficient, the staff rotates the sealing cover 12 clockwise, removes the sealing cover 12, transports water to the inside of the water tank 2, rotates the sealing cover 12 counterclockwise, covers the sealing cover 12, completes the water supplement work, and realizes the service life of the dust suppression spraying device is improved;

[0036] Further, the outer wall of the sliding block 21 away from the first fixed seat 17 is fixedly connected with the sliding block 21, and the sliding block 21 supports and fixes the threaded block 16. The outer wall of the sliding block 21 is slidingly connected with the sliding rail 22, and the top and bottom of the sliding rail 22 are fixedly connected with the limiting plate. The limiting plate limits the movement of the threaded block 16 through the sliding block 21. The outer wall of the sliding rail 22 away from the sliding block 21 is fixedly connected to one side of the water tank 2.

[0037] In the implementation process, it is worth pointing out that the sliding block 21 supports and fixes the threaded block 16, and the top and bottom of the sliding rail 22 are fixedly connected with the limiting plate. The limiting plate limits the movement of the threaded block 16 through the sliding block 21, and realizes the stability of the dust suppression spraying device in operation.

[0038] Further, the top of the curved plate 28 near the first servo motor 13 is fixedly connected with the curved plate 28, and the top of the curved plate 28 is movably connected with the threaded rod 15. The side wall of the curved plate 28 is fixedly connected to the side wall of the water tank 2. The curved plate 28 supports the threaded rod 15, and prevents the umbrella gear from being damaged by foreign matters.

[0039] In the implementation process, it is worth pointing out that the curved plate 28 supports the threaded rod 15, and prevents the umbrella gear from being damaged by foreign matters, and realizes the stability of the structure of the dust suppression spraying device.

[0040] Specifically, first, the universal wheel 10 supports the bottom plate 1, realizes the convenience of the dust suppression spraying device, second, when the water tank 2 is insufficient, the staff rotates the sealing cover 12 clockwise, removes the sealing cover 12, transports water to the inside of the water tank 2, rotates the sealing cover 12 counterclockwise, covers the sealing cover 12, completes the water supplement work, realizes the service life of the dust suppression spraying device is improved, then, the sliding block 21 supports and fixes the threaded block 16, and the top and bottom of the sliding rail 22 are fixedly connected with the limiting plate. The limiting plate limits the movement of the threaded block 16 through the sliding block 21, and realizes the stability of the dust suppression spraying device in operation, and finally, the curved plate 28 supports the threaded rod 15, and prevents the umbrella gear from being damaged by foreign matters, and realizes the stability of the structure of the dust suppression spraying device.

[0041] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connecting" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above terms in the present application can be understood according to the specific meaning of the above terms by the person skilled in the art according to the specific circumstances.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dust suppression sprinkling device for municipal works comprising a base plate (1) characterised in that: The top of the bottom plate (1) is fixedly connected with a water tank (2), the top of the water tank (2) is fixedly connected with a water pump (3), the input end of the water pump (3) is communicated with a water suction pipe (4), the water suction pipe (4) extends to the inside of the water tank (2), the output end of the water pump (3) is communicated with a water outlet pipe (5), the tail end of the water outlet pipe (5) is communicated with a communication cavity (6), the side wall of the communication cavity (6) is fixedly connected with a spray head (7), and the lower portion of the communication cavity (6) is provided with an adjusting mechanism. The adjusting mechanism comprises a first servo motor (13), a bevel gear set (14), a threaded rod (15), a threaded block (16), a first fixed seat (17), a connecting plate (18), a supporting seat (19) and a second fixed seat (20). The first servo motor (13) is fixedly connected to the top of the bottom plate (1) away from the water tank (2) through a motor base, the output end of the first servo motor (13) is provided with the threaded rod (15) through the bevel gear set (14), the outer wall of the threaded rod (15) is threadedly connected with the threaded block (16), the side wall of the threaded block (16) is fixedly connected with the first fixed seat (17), the first fixed seat (17) is rotatably connected with the connecting plate (18) through a pin shaft, the top of the connecting plate (18) is rotatably connected with the supporting seat (19) through a pin shaft, the top of the supporting seat (19) is fixedly connected to the bottom of the communication cavity (6), and the bottom of the supporting seat (19) is rotatably connected with the second fixed seat (20) away from the connecting plate (18) through a pin shaft.

2. The dust suppression spraying device for municipal engineering according to claim 1, characterized in that: The top of the water tank (2) is provided with a diffusion mechanism. The diffusion mechanism comprises a second servo motor (23), a transmission assembly (24), a fan blade (25), a connecting rod (26) and a vertical plate (27). The second servo motor (23) is fixedly connected to the top of the water tank (2) through a motor base, the output end of the second servo motor (23) is provided with the transmission assembly (24), both sides of the transmission assembly (24) are provided with the fan blade (25), the tail of the fan blade (25) on one side is fixedly connected to the output end of the second servo motor (23), the tail of the fan blade (25) on the other side is fixedly connected with the connecting rod (26), the tail end of the connecting rod (26) is rotatably connected with the vertical plate (27) through a bearing, and the bottom of the vertical plate (27) is fixedly connected to the top of the water tank (2) away from the second servo motor (23).

3. The dust suppression spraying device for municipal engineering of claim 1, wherein: The top of the bottom plate (1) is fixedly connected with a water tank (2), the top of the water tank (2) is fixedly connected with a water pump (3), the input end of the water pump (3) is communicated with a water suction pipe (4), the water suction pipe (4) extends to the inside of the water tank (2), the output end of the water pump (3) is communicated with a water outlet pipe (5), the tail end of the water outlet pipe (5) is communicated with a communication cavity (6), the side wall of the communication cavity (6) is fixedly connected with a spray head (7), and the lower portion of the communication cavity (6) is provided with an adjusting mechanism.

4. The dust suppression spraying device for municipal engineering of claim 1, wherein: The bottom of the bottom plate (1) is provided with universal wheels (10) at four corners.

5. The dust suppression sprinkling device for municipal engineering according to claim 1, characterized in that: The top of the water tank (2) is provided with a water supplementing opening (11) away from the water suction pipe (4), and the top of the water supplementing opening (11) is threadedly connected with a sealing cover (12).

6. The dust suppression sprinkling device for municipal works as claimed in claim 1, wherein: The outer wall of the threaded block (16) is fixedly connected with a sliding block (21) away from the first fixed seat (17), the outer wall of the sliding block (21) is slidably connected with a sliding rail (22), and the outer wall of the sliding rail (22) is fixedly connected to one side of the water tank (2) away from the sliding block (21).

7. The dust suppression sprinkling device for municipal works as claimed in claim 1, wherein: The top of the bottom plate (1) is fixedly connected with a curved plate (28) close to one side of the first servo motor (13), the top of the curved plate (28) is movably connected with the threaded rod (15), and the side wall of the curved plate (28) is fixedly connected to the side wall of the water tank (2).

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