Fog gun device capable of strengthening spraying

Abstract

The spray gun device comprises a base, a supporting frame and a spray cylinder from bottom to top, a power source, a motor and a water tank are arranged in the base, a supporting rod at the bottom of the supporting frame is rotationally connected with the base, and the spray cylinder is rotationally connected with the upper portion of the supporting frame, so that the supporting rod drives the spray cylinder to rotate in the horizontal direction through the supporting frame; the spraying cylinder can also rotate in the vertical direction; one end of the spraying barrel is a barrel opening, the other end of the spraying barrel is a barrel bottom, a fan is arranged at the barrel bottom, a first spraying part is arranged at the barrel opening, a wind power accelerator is arranged in the spraying barrel, a second spraying part is arranged in the wind power accelerator, the fan and the wind power accelerator provide spraying power, and the first spraying part and the second spraying part can spray water mist to the outside of the spraying barrel.

Description

Technical Field

[0001] The invention belongs to the technical field of fog cannon equipment, and in particular relates to a fog cannon device for enhancing spraying. Background Art

[0002] As people gradually pay more attention to environmental protection, in the field of construction, the dust generated during the construction process is a hazard to the air and construction workers, which has attracted widespread attention, especially in the construction of cities or places with dense crowds. In response to the dust problem, fog cannons are generally used in this field to spray water mist, which absorbs and wraps the dust particles in the air, performs liquid mist dust reduction, reduces the concentration of particulate matter in the air, effectively reduces particulate matter, dust, etc. in the air, and effectively alleviates haze. At present, the structure of ordinary fog cannons is relatively primitive, including a base and a rotatable barrel on the base, a motor and a water tank are placed in the base to provide power and water source, and the barrel is supported by a rotatable bracket. The barrel can be rotated at a certain angle in the vertical direction to spray water mist upwards, and a circle of nozzles is set at the mouth of the barrel, and a fan is set at the bottom of the barrel. Sometimes the base is a vehicle. At present, the conventional fog cannon has a limited rotation spray angle in the vertical direction. If dust reduction operations are to be carried out at a higher position, the fog cannon needs to be transported to a high place as a whole and then sprayed. Moreover, the single-circle nozzle at the barrel mouth is arranged along the circumference of the barrel mouth to form a single-circle water mist, which has insufficient contact with the particles in the air, and the dust reduction effect needs to be improved. Summary of the invention

[0003] In view of the above problems, the present invention provides a spray cannon device for enhanced spraying, which includes a base, a support frame, and a spray barrel from bottom to top. A power supply, a motor, and a water tank are arranged in the base. A support rod at the bottom of the support frame is rotatably connected to the base, and the spray barrel is rotatably connected to the upper part of the support frame, so that the support rod drives the spray barrel to rotate in the horizontal direction through the support frame, and the spray barrel can also rotate in the vertical direction.

[0004] One end of the spray barrel is a barrel mouth, and the other end is a barrel bottom. A fan is provided at the barrel bottom, a first spray part is provided at the barrel mouth, a wind accelerator is provided inside the spray barrel, and a second spray part is provided inside the wind accelerator. The fan and the wind accelerator provide spray power, and both the first spray part and the second spray part can spray water mist to the outside of the spray barrel.

[0005] Optionally, the support frame includes a vertical support rod and a concave bracket, the bottom of the support rod is rotatably connected to the through groove on the upper surface of the base; the support rod is hollow, and both ends are open, and the wires and water pipes inside the base pass through the support rod to pass through the base and then connect to the spray cylinder;

[0006] The bracket includes a horizontal beam and vertical support rods at both ends of the beam. The top of the support rod is fixedly connected to the middle of the beam. A through hole is provided at the position of the beam corresponding to the support rod, so that the internal space of the support rod is connected to the outside world. The two sides of the spray cylinder are respectively rotatably connected to the top of a support rod, so that the spray cylinder swings up and down with the tops of the two support rods as fulcrums.

[0007] Optionally, the spray barrel is cylindrical, the diameter of the barrel mouth is not greater than the diameter of the barrel bottom, and the straight line between the center of the barrel bottom and the center of the barrel mouth is the central axis of the spray barrel.

[0008] Optionally, the fan at the bottom of the spray barrel includes a drive motor and a plurality of blades, a hollow protective fence is provided at the bottom of the barrel, blades are provided between the drive motor and the protective fence, and wires are inserted through the through holes to connect to the drive motor.

[0009] Optionally, the wind accelerator includes a rotating shaft and a first rotating part and a second rotating part connected to the rotating shaft, and the rotating shaft coincides with the central axis of the spray barrel; the driving motor is a double-shaft motor, having two front and rear rotating shafts, one rotating shaft connected to the blades, and the other rotating shaft connected to the rotating shaft, and can drive the fan and the wind accelerator to rotate at the same time;

[0010] A second spray part is provided between the first rotating part and the second rotating part. The first spray part is detachably connected to the second spray part through a connecting water pipe to fix the position of the second spray part.

[0011] Further optionally, the first rotating part is cylindrical as a whole, one end of the first rotating part close to the second spray part is the front end, and the other end is the rear end, the diameter of the front end is not less than the diameter of the second spray part, and the diameter of the rear end is greater than the diameter of the front end;

[0012] The first rotating part includes a plurality of arc-shaped first rotating blades, which are evenly distributed along the circumference of the first rotating part. The first rotating blades are arc-shaped in the length direction and protrude toward the inner wall of the spray barrel. The first rotating blades are inclined relative to the tangent direction of the surface of the first rotating part where they are located, and adjacent first rotating blades do not contact each other and have a gap.

[0013] Further optionally, the second rotating part is cylindrical as a whole, one end of the second rotating part close to the barrel opening is the front end, and the other end is the rear end, the diameter of the front end is not greater than the diameter of the barrel opening, and the diameter of the rear end is not less than the diameter of the second spray part;

[0014] The second rotating part includes a plurality of arc-shaped second rotating blades, which are evenly distributed along the circumference of the second rotating part. The second rotating blades are arc-shaped in the length direction and protrude toward the inner wall of the spray barrel. The second rotating blades are inclined relative to the tangent direction of the surface of the second rotating part where they are located, and adjacent second rotating blades do not contact each other and have a gap.

[0015] Optionally, the first spray part and the second spray part are both annular, the diameter of the first spray part is larger than the diameter of the second spray part, and the diameter of the first spray part is slightly smaller than the diameter of the barrel mouth, so that the first spray part can be installed on the inner side wall of the barrel mouth;

[0016] A plurality of first nozzles are arranged on the side of the first spray portion facing the outer side of the barrel mouth, and the plurality of first nozzles are evenly arranged in a circle along the circumference of the first spray portion; a plurality of second nozzles are arranged on the side of the second spray portion facing the barrel mouth, and the plurality of second nozzles are evenly arranged in a circle along the circumference of the second spray portion; the first spray portion and the second spray portion are arranged concentrically with the spray barrel.

[0017] Further optionally, the width of the same first rotating leaf gradually decreases along the direction from the bottom of the cylinder to the cylinder mouth, and the width of the same second rotating leaf gradually decreases along the direction from the cylinder mouth to the bottom of the cylinder; the number of the first rotating leaves and the second rotating leaves are the same and correspond one to one, and the front end of the first rotating leaf is connected to the rear end of the second rotating leaf.

[0018] Optionally, the barrel mouth is provided with a retractable spray mechanism, the spray mechanism includes a barrel front ring, a telescopic folding barrel and a storage groove, the first spray part is arranged on the inner side wall of the front end of the barrel front ring, the barrel front ring is connected to the front end of the telescopic folding barrel, the rear end of the telescopic folding barrel is connected to the inside of the storage groove, and the storage groove is arranged on the inner wall of the barrel mouth for accommodating the telescopic folding barrel after contraction and folding.

[0019] Optionally, an operating rod is provided on both sides of the outside of the spray barrel, the top of the operating rod is connected to the outside of the front ring of the barrel, and the bottom end extends to the bottom of the barrel. A plurality of through holes are provided in the middle of the operating rod, and the plurality of through holes are arranged along the length direction of the operating rod. A through hole is also provided on the outside of the top end of the support rod, which is used to correspond to a through hole of the operating rod to temporarily support the operating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The schematic diagram of the structure of a fog cannon device for enhancing spraying (I);

[0021] Figure 2 Schematic diagram of the structure of a fog cannon device for intensified spraying (II);

[0022] Figure 3 This is a schematic diagram of the interior of the spray barrel;

[0023] Figure 4 is a side view schematic diagram of the first rotating part;

[0024] Figure 5 Schematic diagram of the front circle of the cylinder.

[0025] In the accompanying drawings, 1-base, 2-support frame, 3-spray barrel, 4-support rod, 5-cross beam, 6-support rod, 7-storage groove, 8-barrel mouth, 9-fan, 10-first spray part, 11-second spray part, 12-drive motor, 13-rotating shaft, 14-first rotating part, 15-second rotating part, 16-connecting water pipe, 17-first rotating blade, 18-second rotating blade, 19-barrel front ring, 20-telescopic folding barrel. DETAILED DESCRIPTION

[0026] This embodiment provides a fog cannon device for enhancing spraying, such as Figure 1-Figure 5 As shown, it includes a base 1, a support frame 2, and a spray barrel 3 from bottom to top. The base 1 is provided with a power supply, a motor and a water tank. The support rod 4 at the bottom of the support frame 2 is rotatably connected to the base 1, and the spray barrel 3 is rotatably connected to the upper part of the support frame 2, so that the support rod 4 drives the spray barrel 3 to rotate in the horizontal direction through the support frame 2, and the spray barrel 3 can also rotate in the vertical direction;

[0027] One end of the spray barrel 3 is a barrel mouth 8, and the other end is a barrel bottom. A fan 9 is provided at the barrel bottom, and a first spray part 10 is provided at the barrel mouth 8. A wind accelerator is provided inside the spray barrel 3, and a second spray part 11 is provided inside the wind accelerator. The fan 9 and the wind accelerator provide spray power, and the first spray part 10 and the second spray part 11 can both spray water mist to the outside of the spray barrel 3.

[0028] Optionally, the support frame 2 includes a vertical support rod 4 and a concave bracket, the bottom of the support rod 4 is rotatably connected to the through groove on the upper surface of the base 1; the support rod 4 is hollow, and both ends are open, and the wires and water pipes inside the base 1 pass through the support rod 4 to pass through the base 1 and then connect to the spray barrel 3;

[0029] The bracket includes a horizontal beam 5 and vertical support rods 6 at both ends of the beam 5. The top of the support rod 4 is fixedly connected to the middle of the beam 5. A through hole is provided at the position of the beam 5 corresponding to the support rod 4, so that the internal space of the support rod 4 is connected to the outside world. The two sides of the spray barrel 3 are respectively rotatably connected to the top of a support rod 6, so that the spray barrel 3 swings up and down with the tops of the two support rods 6 as fulcrums.

[0030] Optionally, a through hole is provided at a position of the spray barrel 3 corresponding to the support rod 4, so that a pipeline passing through the support rod 4 passes through the through hole into the spray barrel 3 and then connects the fan in the spray barrel 3 and the first spray part.

[0031] The power supply, motor and water tank in the base 1 of the present invention are the same as those in the prior art. The difference is that a plurality of through holes are provided on the upper surface of the base 1 of the traditional fog cannon for passing through electric wires and water pipes respectively. A plurality of through holes are also provided on the barrel for connecting electric wires and water pipes. The arrangement of the pipelines is irregular and messy, which causes the barrel to be entangled by the pipelines when it rotates left, right, up and down, and the pipelines need to be arranged at any time.

[0032] The present invention utilizes the internal space of the vertically arranged support rod 4 as a pipeline restraining tube, and the pipelines are uniformly passed through the support rod 4 and out of the base 1, and the rotation of the support rod 4 does not affect the internal pipelines. The pipelines extend into the spray barrel 3 through the corresponding through holes. When the spray barrel 3 rotates horizontally with the support rod 4 as the central axis, and when the spray barrel 3 swings up and down with the top of the support rod 6 as the central axis, they are not affected by the pipelines in the through holes, and there is no need to arrange the pipelines at any time, which improves the convenience and safety of operation.

[0033] Optionally, the spray barrel 3 is cylindrical, the diameter of the barrel mouth 8 is not greater than the diameter of the barrel bottom, and the barrel of an existing fog cannon can be used. The straight line between the center of the barrel bottom and the center of the barrel mouth 8 is the central axis of the spray barrel 3.

[0034] Optionally, the fan 9 at the bottom of the spray barrel 3 includes a drive motor 12 and a plurality of blades. A hollow protective fence is provided at the bottom of the barrel, and blades are provided between the drive motor 12 and the protective fence. The drive motor 12 can be fixed in the spray barrel 3 through a plurality of connecting rods, and an electric wire is inserted into the through hole to connect the drive motor 12. When the fan 9 rotates, the air outside the bottom of the barrel is drawn into the spray barrel 3 through the protective fence, and then sprayed out from the barrel mouth 8.

[0035] Optionally, the wind accelerator includes a rotating shaft 13 and a first rotating part 14 and a second rotating part 15 connected to the rotating shaft 13, the rotating shaft 13 coincides with the central axis of the spray barrel 3; the driving motor 12 is a double-shaft motor, having two front and rear rotating shafts, one rotating shaft connected to the blades, and the other rotating shaft connected to the rotating shaft 13, and can drive the fan 9 and the wind accelerator to rotate at the same time;

[0036] The second spray portion 11 is disposed between the first rotating portion 14 and the second rotating portion 15 . The first spray portion 10 is detachably connected to the second spray portion 11 via a connecting water pipe 16 to fix the position of the second spray portion 11 .

[0037] Further optionally, the first rotating part 14 is cylindrical as a whole, one end of the first rotating part 14 close to the second spray part 11 is the front end, and the other end is the rear end, the diameter of the front end is not less than the diameter of the second spray part 11, the diameter of the rear end is greater than the diameter of the front end, and the diameter of the rear end is slightly smaller than the diameter of the corresponding spray barrel 3 part, which does not affect the rotation of the first rotating part 14;

[0038] The first rotating part 14 includes a plurality of arc-shaped first rotating blades 17, which are evenly distributed along the circumference of the first rotating part 14. The first rotating blades are arc-shaped in the length direction and protrude toward the inner wall of the spray tube 3. The first rotating blades are inclined relative to the tangent direction of the surface of the first rotating part 14 where they are located, and adjacent first rotating blades do not contact each other and have a gap.

[0039] As a specific implementation, in every three adjacent first rotating blades, the left side of the middle first rotating blade covers the right side of the left first rotating blade, and the left side of the right first rotating blade covers the right side of the middle first rotating blade.

[0040] Further optionally, the second rotating part 15 is cylindrical as a whole, one end of the second rotating part 15 close to the barrel mouth 8 is the front end, and the other end is the rear end, the diameter of the front end is not greater than the diameter of the barrel mouth 8, and the diameter of the rear end is not less than the diameter of the second spray part 11;

[0041] The second rotating part 15 includes a plurality of arc-shaped second rotating blades 18, which are evenly distributed along the circumference of the second rotating part 15. The second rotating blades 18 are arc-shaped in the length direction and protrude toward the inner wall of the spray barrel 3. The second rotating blades 18 are inclined relative to the tangent direction of the surface of the second rotating part 15 where they are located, and adjacent second rotating blades do not contact each other and have a gap. The first rotating part 14 and the second rotating part 15 are concentrically arranged with the spray barrel 3.

[0042] As a specific implementation, in every three adjacent second rotating blades, the left side of the middle second rotating blade covers the right side of the left second rotating blade, and the left side of the right second rotating blade covers the right side of the middle second rotating blade.

[0043] The first rotating blade and the second rotating blade are connected to the rotating shaft through one or more connecting rods.

[0044] Optionally, the first spray portion 10 and the second spray portion 11 are both annular, the diameter of the first spray portion 10 is larger than the diameter of the second spray portion 11, and the diameter of the first spray portion 10 is slightly smaller than the diameter of the barrel mouth 8, so that the first spray portion 10 can be installed on the inner side wall of the barrel mouth 8;

[0045] A plurality of first nozzles are provided on the side of the first spray portion 10 facing the outer side of the barrel mouth 8, and the plurality of first nozzles are evenly arranged in a circle along the circumference of the first spray portion 10; a plurality of second nozzles are provided on the side of the second spray portion 11 facing the barrel mouth 8, and the plurality of second nozzles are evenly arranged in a circle along the circumference of the second spray portion 11; the first spray portion 10 and the second spray portion 11 are concentrically arranged with the spray barrel 3.

[0046] Further optionally, at least two connecting water pipes 16 are evenly arranged on the side of the first spray part 10 facing the inside of the spray barrel 3, and the two ends of the connecting water pipe 16 are respectively connected to the first spray part 10 and the second spray part 11, and the connecting water pipe 16 is a rigid pipeline that can support and fix the position of the second spray part 11 inside the wind accelerator;

[0047] The water pipe entering from the through hole of the spray barrel 3 extends toward the barrel opening 8 close to the inner wall of the spray barrel 3 and is connected to the first spray part 10 to supply water to the first spray part 10 . The first spray part 10 supplies water to the second spray part 11 through the connecting water pipe 16 .

[0048] The conventional fog cannon uses the fan 9 at the bottom of the barrel to provide air power for a circle of nozzles at the barrel mouth 8, and sprays the water mist from the nozzles outward along the length direction of the spray barrel 3. The single circle of water mist formed by the single circle of nozzles at the barrel mouth 8 contains a small amount of water droplets, and the contact with the airborne particles is insufficient. To achieve the same dust reduction effect, the required spraying time is correspondingly extended.

[0049] On the basis of the first spray part 10 of the nozzle 8, the present invention adds a second spray part 11 inside the spray barrel 3. The diameter of the second spray part 11 is smaller than that of the first spray part 10, so as to realize multi-circle spraying and increase the spraying amount. The present invention also sets a wind accelerator inside the spray barrel 3, which can not only provide secondary acceleration for the airflow in the spray barrel 3, but also stir the airflow, and cooperate with the second spray part 11 to realize multi-dimensional spraying. Specifically, the front end of the first rotating part 14 is thin and the rear end is thick. The fan 9 provides the original air power for the first rotating part 14. Most of the airflow enters the rear end of the first rotating part 14 and flows along the length direction of the first rotating part 14. At the same time, under the stirring of the first rotating blade 17, the airflow in the first rotating part 14 is in a spiral forward flow state. As the inner diameter of the first rotating part 14 decreases, the airflow gradually accelerates. When the airflow reaches the second spray part 11, the air velocity is the largest, leading and entraining the water mist sprayed by the second spray part 11, continuing to flow along the second rotating part 15, and also preventing the water mist sprayed by the second spray part 11 from falling into the first rotating part 14. The front end of the second rotating part 15 is thick and the rear end is thin. Although the air velocity of the airflow containing water mist is reduced after entering the second rotating part 15 due to the increase in the diameter of the circulation channel, the airflow can also obtain the power support of spiral advancement under the stirring of the second rotating blade 18, so the impact on the reduction of air velocity is within an acceptable range, so that very few droplets fall into the first rotating part 14. In addition, under the rotation and stirring action of the second rotating part 15, the airflow and the water mist can be fully contacted and mixed, so that the water mist is as evenly distributed as possible on the cross section of the spray barrel 3, so that when it is sprayed out of the barrel mouth 8, it merges with the water mist sprayed from the first spray part 10 to form a larger area and richer water mist coverage, thereby improving the dust reduction effect.

[0050] Due to the arrangement of the first rotating blade 17 and the second rotating blade 18, part of the airflow will flow back and forth inside and outside the wind accelerator, sometimes entering the wind accelerator and sometimes flowing out of the wind accelerator. This does not forcibly restrict the airflow, thereby avoiding a reduction in airflow and poor airflow. Since the airflow moves forward in a spiral, both in and out, the wind accelerator can generally stir and accelerate the airflow.

[0051] Further optionally, the same first rotating blade 17 has a gradually decreasing width along the direction from the bottom of the cylinder to the cylinder mouth 8, and the same second rotating blade 18 has a gradually decreasing width along the direction from the cylinder mouth 8 to the bottom of the cylinder; the number of the first rotating blades 17 and the second rotating blades 18 is the same, one-to-one corresponding, and the front end of the first rotating blade 17 is connected to the rear end of the second rotating blade 18;

[0052] The second rotating blade 18 is preferably made of plastic material, which is waterproof and prevents rust. The first rotating blade 17 and the second rotating blade 18 are detachable.

[0053] Optionally, the barrel mouth 8 is provided with a retractable spray mechanism, which includes a barrel front ring 19, a telescopic folding barrel 20 and a storage groove 7. The first spray part 10 is arranged on the inner side wall of the front end of the barrel front ring 19. The barrel front ring 19 is connected to the front end of the telescopic folding barrel 20. The rear end of the telescopic folding barrel 20 is connected to the inside of the storage groove 7. The storage groove 7 is arranged on the inner wall of the barrel mouth 8 for accommodating the telescopic folding barrel 20 after contraction and folding.

[0054] Further optionally, the diameter of the front end of the tube front ring 19 is larger than the diameter of the rear end, and the diameter of the tube front ring 19 changes evenly, the outer wall of the middle part of the tube front ring 19 is connected to the front end of the telescopic folding tube 20; the outer side surface of the storage groove 7 is connected to the inner wall of the tube mouth 8, and the inner side surface faces the rear part of the tube front ring 19; the outer side surface of the front part of the tube front ring 19 contacts the edge of the tube mouth 8, and the rear part of the tube front ring 19 is inserted into the inner circle of the storage groove 7, but does not enter the interior of the storage groove 7, so as to support the tube front ring 19.

[0055] Optionally, an operating rod is provided on both sides of the outside of the spray barrel 3, the top of the operating rod is connected to the outside of the barrel front ring 19, and the bottom end extends to the bottom of the barrel. A plurality of through holes are provided in the middle of the operating rod, and the plurality of through holes are arranged along the length direction of the operating rod. A through hole is also provided on the outside of the top end of the support rod 6, which is used to correspond to a through hole of the operating rod to temporarily support the operating rod.

[0056] The present invention aims to solve the problem that the existing fog cannon barrel mouth 8 cannot be adjusted, and proposes a retractable spray mechanism and an operating rod. The operating rod corresponds to the support rod 6 one by one, and the two operating rods are manually operated to be parallel to each other, thereby translating the barrel front circle 19. For example, the two operating rods are pushed forward, upward, or forward and upward along the length direction of the spray barrel 3, and the operating rod leads the barrel front circle 19 to extend out of the spray barrel 3, and the front end of the telescopic folding barrel 20 moves with the barrel front circle 19, and part of the telescopic folding barrel 20 extends out of the storage groove 7 accordingly, which is equivalent to extending the length of the front end of the spray barrel 3 and changing the spray angle of the front end of the spray barrel 3. When the position of the barrel front circle 19 is moved into place, the operating rod corresponds to the through hole of the corresponding support rod 6, and a pin is used to penetrate the corresponding two through holes to fix the position of the operating rod.

Claims

1. A fog cannon device for enhancing spraying, characterized in that: The invention comprises a base, a support frame and a spray barrel from bottom to top. The base is provided with a power supply, a motor and a water tank. The support rod at the bottom of the support frame is rotatably connected to the base. The spray barrel is rotatably connected to the upper part of the support frame, so that the support rod drives the spray barrel to rotate in the horizontal direction through the support frame, and the spray barrel can also rotate in the vertical direction. One end of the spray barrel is a barrel mouth, and the other end is a barrel bottom. A fan is provided at the barrel bottom, a first spray part is provided at the barrel mouth, a wind accelerator is provided inside the spray barrel, and a second spray part is provided inside the wind accelerator. The fan and the wind accelerator provide spray power, and both the first spray part and the second spray part can spray water mist to the outside of the spray barrel.

2. The fog cannon device for enhanced spraying according to claim 1, characterized in that: The support frame includes a vertical support rod and a concave bracket, the bottom of the support rod is rotatably connected to the through groove on the upper surface of the base; the support rod is hollow, and both ends are open, and the wires and water pipes inside the base pass through the support rod and out of the base, and then connected to the spray cylinder; The bracket includes a horizontal beam and vertical support rods at both ends of the beam. The top of the support rod is fixedly connected to the middle of the beam. A through hole is provided at the position of the beam corresponding to the support rod, so that the internal space of the support rod is connected to the outside world. The two sides of the spray cylinder are respectively rotatably connected to the top of a support rod, so that the spray cylinder swings up and down with the tops of the two support rods as fulcrums.

3. The fog cannon device for enhancing spraying according to claim 2, characterized in that: The spray barrel is cylindrical, the diameter of the barrel mouth is not greater than the diameter of the barrel bottom, and the straight line between the center of the barrel bottom and the center of the barrel mouth is the central axis of the spray barrel; The fan at the bottom of the spray barrel comprises a driving motor and a plurality of blades. A hollow protection fence is arranged at the bottom of the barrel. Blades are arranged between the driving motor and the protection fence. Electric wires are inserted into the through holes to connect with the driving motor.

4. The fog cannon device for enhancing spraying according to claim 3, characterized in that: The wind accelerator comprises a rotating shaft and a first rotating part and a second rotating part connected to the rotating shaft, wherein the rotating shaft coincides with the central axis of the spray barrel; the driving motor is a double-shaft motor having two front and rear rotating shafts, one rotating shaft connected to the blades and the other rotating shaft connected to the rotating shaft, and can drive the fan and the wind accelerator to rotate simultaneously; A second spray part is provided between the first rotating part and the second rotating part. The first spray part is detachably connected to the second spray part through a connecting water pipe to fix the position of the second spray part.

5. The fog cannon device for enhancing spraying according to claim 4, characterized in that: The first rotating part is cylindrical as a whole, one end of the first rotating part close to the second spray part is the front end, and the other end is the rear end, the diameter of the front end is not less than the diameter of the second spray part, and the diameter of the rear end is greater than the diameter of the front end; The first rotating part includes a plurality of arc-shaped first rotating blades, which are evenly distributed along the circumference of the first rotating part. The first rotating blades are arc-shaped in the length direction and protrude toward the inner wall of the spray barrel. The first rotating blades are inclined relative to the tangent direction of the surface of the first rotating part where they are located, and adjacent first rotating blades do not contact each other and have a gap.

6. The fog cannon device for enhancing spraying according to claim 4, characterized in that: The second rotating part is cylindrical as a whole, one end of the second rotating part close to the barrel opening is the front end, and the other end is the rear end, the diameter of the front end is not greater than the diameter of the barrel opening, and the diameter of the rear end is not less than the diameter of the second spray part; The second rotating part includes a plurality of arc-shaped second rotating blades, which are evenly distributed along the circumference of the second rotating part. The second rotating blades are arc-shaped in the length direction and protrude toward the inner wall of the spray barrel. The second rotating blades are inclined relative to the tangent direction of the surface of the second rotating part where they are located, and adjacent second rotating blades do not contact each other and have a gap.

7. The fog cannon device for enhanced spraying according to claim 6, characterized in that: The first spray portion and the second spray portion are both annular, and the diameter of the first spray portion is greater than the diameter of the second spray portion; A plurality of first nozzles are arranged on the side of the first spray portion facing the outer side of the barrel mouth, and the plurality of first nozzles are evenly arranged in a circle along the circumference of the first spray portion; a plurality of second nozzles are arranged on the side of the second spray portion facing the barrel mouth, and the plurality of second nozzles are evenly arranged in a circle along the circumference of the second spray portion; the first spray portion and the second spray portion are arranged concentrically with the spray barrel.

8. The fog cannon device for enhanced spraying according to claim 1, characterized in that: The width of the same first rotating leaf gradually decreases along the direction from the bottom of the cylinder to the cylinder mouth, and the width of the same second rotating leaf gradually decreases along the direction from the cylinder mouth to the bottom of the cylinder; the number of the first rotating leaves and the second rotating leaves are the same and correspond one to one, and the front end of the first rotating leaf is connected to the rear end of the second rotating leaf.

9. The fog cannon device for enhanced spraying according to claim 1, characterized in that: The barrel mouth is provided with a retractable spray mechanism, which includes a barrel front ring, a telescopic folding barrel and a storage groove. The first spray part is arranged on the inner side wall of the front end of the barrel front ring, the barrel front ring is connected to the front end of the telescopic folding barrel, and the rear end of the telescopic folding barrel is connected to the inside of the storage groove. The storage groove is arranged on the inner wall of the barrel mouth for accommodating the telescopic folding barrel after contraction and folding.

10. The fog cannon device for enhancing spraying according to claim 9, characterized in that: An operating rod is respectively provided on both sides of the outside of the spray barrel, the top end of the operating rod is connected to the outside of the front ring of the barrel, and the bottom end extends to the bottom of the barrel. A plurality of through holes are provided in the middle of the operating rod, and the plurality of through holes are arranged along the length direction of the operating rod. A through hole is also provided on the outside of the top end of the support rod, which is used to correspond to a certain through hole of the operating rod to temporarily support the operating rod.

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