Dust falling device for construction site

Abstract

The invention relates to the technical field of construction site dust falling, and discloses a construction site dust falling device which comprises a base and a cylinder provided with a fan, the cylinder is installed on the base, a water collecting ring and a water supply pipe are arranged on the inner wall of the cylinder, the water collecting ring is connected with a water pump through the water supply pipe, and a plurality of water pipes are distributed on the water collecting ring; the construction site dust falling device further comprises an installation ring and a variable-diameter air guide barrel installed in the installation ring, the installation ring is coaxially installed on the cylinder, the variable-diameter air guide barrel and the cylinder are coaxially installed, a flexible wind shield is installed between the installation ring and the variable-diameter air guide barrel, and the flexible wind shield is connected with the part, located on the installation ring, of the variable-diameter air guide barrel. A variable-diameter air blocking barrel is coaxially mounted in the variable-diameter air guide barrel; an air guide channel is formed between the variable-diameter air guide cylinder and the variable-diameter air blocking cylinder; a spray head is mounted on the reducing air duct, and a communicating pipe is connected between the spray head and the water pipe. The spraying range of the device can be adjusted.

Description

Technical Field

[0001] The present application relates to the technical field of construction site dust reduction, and in particular to a construction site dust reduction device. Background Art

[0002] At the construction site, the dust suppression device is a key equipment to reduce air pollution, protect the health of workers and maintain the surrounding environment. In order to adapt to the complex construction site, the dust suppression device at the construction site often uses a dust suppression fog cannon. The dust suppression fog cannon uses the high-pressure principle to spray water in the form of fine water mist, so that the fine water mist adheres to the dust and floating dust particles in the air to achieve the purpose of dust reduction. There are many types of dust suppression fog cannons, such as fixed dust suppression fog cannons, mobile dust suppression fog cannons, high-tower dust suppression fog cannons, etc.

[0003] A fog cannon is usually a cone-shaped cylinder installed on a cylinder with a powerful fan. A ring-shaped nozzle is set at the end with a small diameter. The air flow is blown out by the wind tube fan to spray the droplets from the nozzle a certain distance.

[0004] Regarding the above-mentioned related technologies, in actual use, in order to increase the range of the droplets, the droplets form a compact fog group, and the strong airflow blown out by the fan is gathered and blown towards the fog group. Although the range of the fog cannon is increased, the spray range of the fog cannon needs to be improved. Summary of the invention

[0005] In order to increase the dust reduction range of the construction site, the present application provides a construction site dust reduction device.

[0006] The present application provides a construction site dust reduction device, which adopts the following technical solution: A construction site dust suppression device comprises a base, a cylinder with a fan installed, the cylinder is installed on the base, a water collecting ring and a water supply pipe are arranged on the inner wall of the cylinder, the water collecting ring is connected to a water pump through the water supply pipe, and a plurality of water pipes are distributed on the water collecting ring; The construction site dust suppression device also includes a mounting ring and a variable diameter air guide tube installed in the mounting ring, the mounting ring is coaxially mounted on the cylinder, the end of the variable diameter air guide tube with a smaller outer diameter is located in the mounting ring, the variable diameter air guide tube and the cylinder are coaxially mounted, a flexible wind shield is installed between the mounting ring and the variable diameter air guide tube, and the flexible wind shield is connected to the variable diameter air guide tube located at the mounting ring. A variable diameter wind shielding cylinder is coaxially installed in the variable diameter wind guide cylinder, and the end of the variable diameter wind shielding cylinder with a smaller inner diameter is close to the cylinder; an air guide channel is formed between the variable diameter wind guide cylinder and the variable diameter wind shielding cylinder; A nozzle is installed on the variable diameter air guide cylinder, and a connecting pipe is connected between the nozzle and the water pipe.

[0007] By adopting the above technical scheme, the dust reduction device on the construction site is stably installed through the base, and the fan arranged in the cylinder can generate wind flow, which is gathered through the cylinder and blown in the direction of the variable diameter wind shield. The water collecting ring and the water supply pipe cooperate with the water pump to provide water source for the nozzle; the installation of the flexible wind shield and the variable diameter wind shield makes the wind flow only be discharged from the variable diameter wind guide tube, and the nozzle is located on the variable diameter wind guide tube. The variable diameter wind shield has a blocking effect on the wind flow, changes the direction of the wind flow, and makes the wind flow blow out obliquely through the wind guide channel. The droplets sprayed by the nozzle at high pressure can also be pushed to a farther distance with the help of strong wind flow. The setting of the variable diameter wind shield can expand the spray range of the droplets, so that the dust reduction range of the construction site can be increased without moving the device; if centralized dust reduction is required, the mounting ring can be disassembled and cleaned, and the nozzle can be installed on the water pipe, so that the spray range of the device can be adjusted.

[0008] Optionally, the variable diameter air guide tube includes a positioning ring, movable plates spaced apart on the positioning ring, and a wind shield cloth installed on two adjacent movable plates, and the nozzle is installed on the movable plates.

[0009] By adopting the above technical solution, when the wind flow passes through the wind shield cloth, the wind shield cloth is deformed, so that the wind flow hitting the variable diameter wind guide tube is buffered, reducing the impact of the high-pressure wind flow on the variable diameter wind guide tube.

[0010] Optionally, the movable plates are rotatably mounted on the positioning ring, and a driving assembly for driving all the movable plates to move toward or away from the central axis of the variable-diameter windshield cylinder is mounted on the mounting ring.

[0011] By adopting the above technical solution, the movable plate is rotatably installed on the positioning ring, and the setting of the movable plate and the windshield cloth, in conjunction with the driving component, can flexibly adjust the outer diameter of the variable diameter air guide cylinder, thereby further changing the spray range to adapt to different dust reduction requirements.

[0012] Optionally, the driving assembly includes a mounting seat, a driving rod mounted on the mounting seat, the driving rod is connected to a push rod, and a driving member for driving the driving rod to reciprocate along the central axis of the variable diameter air guide tube is installed on the mounting seat, the push rod and the movable plate correspond one to one, and the push rod is hingedly connected to a slider, and the slider slides on the movable plate.

[0013] By adopting the above technical solution, the driving assembly realizes effective control of the movable plate through the action of the driving rod and the push rod. The driving member reciprocates along the central axis of the variable diameter air guide tube. The push rod corresponds to the movable plate one by one and slides on the movable plate through the slider, thereby effectively controlling the movable plate to move closer or farther away from the movable plate.

[0014] Optionally, the mounting seat includes a fixed cylinder and a sliding cylinder, the sliding cylinder is sleeved in the fixed cylinder, the mounting ring is connected to a mounting rod, the mounting rod and the fixed cylinder are fixedly connected, the driving member is installed in the fixed cylinder, and the sliding cylinder is installed on the driving rod.

[0015] By adopting the above technical solution, the setting of the fixed cylinder and the sliding cylinder ensures that the driving member is always located in the fixed cylinder, and the part connecting the driving rod and the driving member is also located in the fixed cylinder, thereby protecting the driving member and reducing the impact of high-pressure wind flow on the driving member.

[0016] Optionally, the variable diameter wind shield cylinder is communicated with the sliding cylinder, and the driving rod is fixedly connected with the variable diameter wind shield cylinder.

[0017] By adopting the above technical solution, this design enables the driving rod to drive the variable diameter wind shield to move together when it moves, so that the air guide channel can also be adjusted and changed according to the change of the outer diameter of the variable diameter wind guide tube, and the variable diameter wind shield has a better air guiding effect.

[0018] Optionally, one end of the driving rod passes through the variable diameter windshield cylinder and is connected to the push rod.

[0019] By adopting the above technical solution, after the driving rod and the variable diameter wind shield cylinder are fixed, the push rod and the variable diameter wind guide cylinder do not interfere with each other, and the push rod and the variable diameter wind guide cylinder both move along with the movement of the driving rod.

[0020] Optionally, the push rod is installed on the outer wall of the variable diameter windshield cylinder.

[0021] By adopting the above technical solution, the push rod is indirectly connected to the driving rod through the variable diameter wind shield, making the entire structure more compact.

[0022] Optionally, elastic members are installed on two adjacent movable plates.

[0023] By adopting the above technical solution, the elastic members installed on two adjacent movable plates can keep the relative positions between the movable plates stable.

[0024] Optionally, the nozzle is installed at a middle position of the elastic member.

[0025] By adopting the above technical solution, since the windshield has the ability to deform, part of the wind flow passes through the windshield, and the nozzle is installed in the middle of the elastic member. There is a distance between the nozzle and the windshield, which is equivalent to increasing the wind flow impacting the droplets and further improving the range of the droplets.

[0026] In summary, the present application includes at least one of the following beneficial effects: 1. Through the design of variable diameter air guide tube and variable diameter wind shield tube, as well as the precise control of the drive components, the device can flexibly adjust the dust reduction range and dust reduction intensity to meet the needs of different construction sites; 2. The design of the flexible wind shield can optimize the direction of the wind flow. When the outer diameter of the variable diameter wind guide tube is adjustable, after the fan is turned on, part of the wind flow blows in the direction of the flexible wind shield. The deformation of the flexible wind shield and the wind shield cloth has a buffering effect. The wind flow hits the inner and outer walls of the variable diameter wind guide tube at the same time, thereby increasing the stability of the variable diameter wind shield. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 This is a schematic diagram of the overall structure of the mounting ring of the embodiment of the present application being installed at the air outlet of the cylinder; Figure 3 This is a schematic diagram of the overall structure of the embodiment of the present application after the mounting ring and the variable diameter air guide tube are connected; Figure 4 This is a cross-sectional view of the overall structure of an embodiment of the present application, in which a variable-diameter wind shield is located inside a variable-diameter wind guide to form a wind guide channel; Figure 5 It is a cross-sectional view showing the cooperation between the driving assembly and the variable diameter air guide tube in the embodiment of the present application; Figure 6 It is a front view of the embodiment of the present application showing the cooperation between the push rod and the movable plate; Figure 7 yes Figure 5 A magnified schematic diagram of point A; Figure 8 This is a schematic diagram of the overall structure of an embodiment of the present application in which a push rod is installed on a variable diameter windshield cylinder; Fig. 9 It is a cross-sectional view of an embodiment of the present application showing that a push rod is installed on a variable diameter windshield cylinder.

[0028] Explanation of the reference numerals: 100, base; 200, cylinder; 300, water collecting ring; 310, water pipe; 320, connecting pipe; 500, mounting ring; 600, variable diameter wind guide tube; 610, positioning ring; 711, first connecting rod; 620, movable plate; 621, nozzle; 622, elastic rope; 623, fixed plate; 624, slide groove; 630, wind shield cloth; 700, flexible wind shield; 800, variable diameter wind shield; 810, second connecting rod; 820, wind guide channel; 900, drive assembly; 910, mounting seat; 911, fixed cylinder; 912, sliding cylinder; 913, mounting rod; 920, drive rod; 930, drive member; 940, push rod; 941, slider. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-9 This application is described in further detail.

[0030] The present application embodiment discloses a construction site dust reduction device. Figure 1 A dust reduction device for a construction site adopts a dust reduction fog cannon for dust reduction, and includes a base 100, a cylinder 200 equipped with a fan, and a water collecting ring 300 and a water supply pipe (not shown in the figure) installed in the cylinder 200. The water collecting ring 300 is connected to a water pump through a water supply pipe, and a plurality of water pipes 310 are evenly distributed on the water collecting ring 300. The water pipes 310 spray water due to the setting of the water pump. The cylinder 200 is installed on the base 100. The technology and principle of how the base 100 drives the cylinder 200 to rotate the angle, and the connection method of the water collecting ring 300, the water supply pipe and the cylinder 200 are existing technologies in the field of fog cannons. This application does not make improvements, so no further elaboration is made. This application mainly improves the air outlet of the cylinder 200.

[0031] Reference Figure 2 The construction site dust reduction device also includes a mounting ring 500 and a variable diameter air guide tube 600. The mounting ring 500 is detachably mounted at the air outlet of the cylinder 200 by bolts, and the variable diameter air guide tube 600 is coaxially fixedly mounted on the mounting ring 500.

[0032] Reference Figure 3 The variable diameter air guide tube 600 includes a positioning ring 610, movable plates 620 evenly distributed on the positioning ring 610, and a windshield cloth 630 installed on two adjacent movable plates 620, and the windshield cloth 630 is made of waterproof and windproof cloth. The positioning ring 610 is the end with the smallest inner diameter of the variable diameter air guide tube 600. The positioning ring 610 is located in the mounting ring 500 and is fixedly connected to a first connecting rod 711. One end of the first connecting rod 711 is fixedly connected to the inner wall of the mounting ring 500. There are multiple first connecting rods 711 evenly spaced along the circumference of the mounting ring 500.

[0033] Reference Figure 3 A flexible windshield 700 is installed between the mounting ring 500 and the variable diameter wind guide tube 600, and the flexible windshield 700 is made of waterproof and windproof fabric. The flexible windshield 700 is connected to the part of the variable diameter wind guide tube 600 outside the mounting ring 500, and the flexible windshield 700 is glued to the movable plate 620 and the windshield cloth 630. When the fan is started, the windshield cloth 630 is deformed due to the airflow, and the windshield cloth 630 and the flexible windshield 700 are deformed synchronously. Part of the airflow enters between the flexible windshield 700 and the variable diameter windshield tube 800, and the airflow has a local supporting effect on the windshield cloth 630.

[0034] Reference Figure 4A variable-diameter wind shield 800 is coaxially installed inside the variable-diameter wind guide cylinder 600. The outer diameter of the variable-diameter wind shield 800 remains unchanged. The outer wall of the variable-diameter wind shield 800 and the movable plate 620 of the variable-diameter wind guide cylinder 600 are fixedly connected by a rod. Both ends of the variable-diameter wind shield 800 in the axial direction are closed structures, and the interior of the variable-diameter wind shield 800 is hollow. The end with a small inner diameter of the variable-diameter wind shield 800 is close to the cylinder 200. The variable-diameter wind guide cylinder 600 has a blocking effect on the airflow, guiding the airflow to blow onto the inner wall of the variable-diameter wind shield 800. An air guide channel 820 is formed between the variable-diameter wind shield 800 and the variable-diameter wind shield 800.

[0035] Reference Figure 3 and Figure 4 , a nozzle 621 is installed on the variable diameter air guide 600, and a connecting pipe 320 is connected between the nozzle 621 and the water pipe 310. Elastic parts are installed on two adjacent movable plates 620, and the elastic parts are elastic ropes 622. There are multiple elastic ropes 622, and the elastic parts strengthen the connection relationship and connection stability between the two movable plates 620. A fixed plate 623 is fixedly connected to the middle position of the elastic part, and the nozzle 621 is fixedly installed on the fixed plate 623. When the fan and the water pump are turned on, the variable diameter air guide 600 and the variable diameter wind shield 800 form an air guide channel 820, and the air flow enters the wind shield cloth 630 between the two movable plates 620. The deformation of the wind shield cloth 630 increases the air flow channel. With the cooperation of the variable diameter air guide 600, the variable diameter wind shield 800 and the wind shield cloth 630, the air flow can spray the droplets sprayed by the nozzle 621 farther and over a larger range.

[0036] Further, refer to Figure 5 In order to change the spraying range of the nozzle 621, the movable plate 620 is rotatably mounted on the positioning ring 610, and the movable plate 620 is installed with a sleeve ring, which is sleeved on the positioning ring 610. A driving assembly 900 is installed on the mounting ring 500 to drive all the movable plates 620 to gather close to or spread away from the central axis of the variable diameter wind shield 800. The driving assembly 900 includes a mounting seat 910 and a driving rod 920 mounted on the mounting seat 910. The mounting seat 910 is installed with a driving member 930 for driving the driving rod 920 to reciprocate along the central axis of the variable diameter wind guide tube 600. The driving member 930 is preferably an electric telescopic rod, and the output end of the electric telescopic rod is coaxially fixedly connected with the driving rod 920.

[0037] Reference Figure 6 and Figure 7The driving rod 920 is connected to a push rod 940, and a plurality of push rods 940 are evenly spaced along the circumference of the driving rod 920. The push rod 940 is hinged with a slider 941, and the slider 941 is slidably installed on the movable plate 620. The movable plate 620 is provided with a T-shaped slide groove 624 along its length direction, and the slider 941 is slidably installed in the slide groove 624. The cross section of the slider 941 is adapted to the cross section of the slide groove 624, and the slider 941 cannot directly leave the slide groove 624. When the push rod 940 moves with the driving rod 920, the movable plate 620 is controlled to rotate on the positioning ring 610, thereby achieving the diameter-changing effect of the variable-diameter air guide tube 600.

[0038] Reference Figure 5 Since the outer diameter of the variable diameter wind guide cylinder 600 changes, in order to make the wind guide channel 820 also adaptably change. The variable diameter wind shield cylinder 800 and the driving rod 920 are fixedly connected, and the variable diameter wind shield cylinder 800 and the variable diameter wind guide cylinder 600 do not need to be directly connected through a rod. When the driving component 900 drives the movable plate 620 to gather inward, the variable diameter wind guide cylinder 600 slides close to the cylinder 200, and when the driving component 900 drives the movable plate 620 to expand outward, the variable diameter wind guide cylinder 600 slides away from the cylinder 200. The variable diameter wind shield cylinder 800 can move its position as the outer diameter of the variable diameter wind guide cylinder 600 changes, thereby achieving a stable wind guiding effect.

[0039] Reference Figure 5 In order to make the driving member 930 not be affected by the airflow, the mounting seat 910 includes a fixed cylinder 911 and a sliding cylinder 912. A mounting rod 913 is connected between the fixed cylinder 911 and the mounting ring 500. A plurality of mounting rods 913 are arranged along the circumference of the mounting ring 500, so that the mounting seat 910 is stably mounted on the mounting ring 500. When the mounting ring 500 is mounted on the cylinder 200, the mounting seat 910 is also installed in place at the same time. The sliding cylinder 912 is sleeved in the fixed cylinder 911, the driving member 930 is fixedly mounted on the fixed cylinder 911, the driving rod 920 and the sliding cylinder 912 are fixedly connected, the variable diameter wind shield cylinder 800 is connected to the sliding cylinder 912, and the end of the variable diameter wind shield cylinder 800 with a smaller diameter is sleeved on the outer wall of the fixed cylinder 911 and slidably mounted on the outer wall of the fixed cylinder 911. When the driving rod 920 moves, it moves with the sliding cylinder 912, so that the sliding cylinder 912 and the fixed cylinder 911 move relatively, but the driving member 930 is always located in the fixed cylinder 911 and the sliding cylinder 912, reducing the impact of the airflow on the driving member 930. The push rod 940 on the driving rod 920 can be located outside the variable diameter wind shield cylinder 800, and the driving rod 920 passes through the variable diameter wind shield cylinder 800 and is connected to the push rod 940.

[0040] Or, refer to Figure 8 and Fig. 9 The push rod 940 is installed on the outer wall of the variable diameter windshield cylinder 800 with a larger outer diameter, and the push rod 940 is indirectly connected to the driving rod 920 through the variable diameter windshield cylinder 800.

[0041] The implementation principle of a construction site dust reduction device in the embodiment of the present application is as follows: The construction site dust reduction device of the present application is a comprehensive dust reduction device that integrates multiple functions such as wind power, water power and mechanical adjustment. After the fan is started, wind flow is generated and enters the variable diameter air guide tube 600 through the cylinder 200. The wind guide channel 820 between the variable diameter air guide tube 600 and the variable diameter wind shield tube 800 guides the wind flow. According to the dust reduction needs of the construction site, the diameter of the variable diameter air guide tube 600 is adjusted by the driving component 900, and the positions of multiple nozzles 621 and the position of the variable diameter wind shield tube 800 also change accordingly. The wind flow is accurately blown to the installation position of the nozzle 621, and the droplets sprayed by the nozzle 621 can be pushed farther. While ensuring the droplet range, the spray range can be expanded or reduced, and the spray range can also be expanded and adjusted.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction site dust suppression device, characterized in that: It comprises a base (100) and a cylinder (200) on which a fan is installed, the cylinder (200) being installed on the base (100), a water collecting ring (300) and a water supply pipe being arranged on the inner wall of the cylinder (200), the water collecting ring (300) being connected to a water pump via the water supply pipe, and a plurality of water pipes (310) being distributed on the water collecting ring (300); The construction site dust suppression device further comprises a mounting ring (500) and a variable diameter air guide tube (600) mounted in the mounting ring (500); the mounting ring (500) is coaxially mounted on the cylinder (200); an end of the variable diameter air guide tube (600) with a smaller outer diameter is located in the mounting ring (500); the variable diameter air guide tube (600) and the cylinder (200) are coaxially mounted; a flexible wind shield (700) is mounted between the mounting ring (500) and the variable diameter air guide tube (600); the flexible wind shield (700) and the variable diameter air guide tube (600) are connected at a portion of the mounting ring (500); A variable diameter wind shielding cylinder (800) is coaxially mounted inside the variable diameter wind guide cylinder (600), and the end of the variable diameter wind shielding cylinder (800) with a smaller inner diameter is close to the cylinder (200); an air guide channel (820) is formed between the variable diameter wind guide cylinder (600) and the variable diameter wind shielding cylinder (800); A nozzle (621) is installed on the variable-diameter air guide cylinder (600), and a connecting pipe (320) is connected between the nozzle (621) and the water pipe (310).

2. A construction site dust suppression device according to claim 1, characterized in that: The variable diameter air guide tube (600) comprises a positioning ring (610), movable plates (620) spaced apart on the positioning ring (610), and a wind shield cloth (630) mounted on two adjacent movable plates (620), and the nozzle (621) is mounted on the movable plate (620).

3. A construction site dust suppression device according to claim 2, characterized in that: The movable plates (620) are rotatably mounted on the positioning ring (610), and a driving assembly (900) is mounted on the mounting ring (500) for driving all the movable plates (620) to move toward or away from the central axis of the variable-diameter windshield cylinder (800).

4. A construction site dust suppression device according to claim 3, characterized in that: The driving assembly (900) comprises a mounting seat (910), a driving rod (920) mounted on the mounting seat (910), the driving rod (920) being connected to a push rod (940), a driving member (930) being mounted on the mounting seat (910) for driving the driving rod (920) to reciprocate along the central axis of the variable diameter air guide tube (600), the push rod (940) and the movable plate (620) corresponding one to one, the push rod (940) being hingedly connected to a slider (941), and the slider (941) sliding on the movable plate (620).

5. A construction site dust suppression device according to claim 4, characterized in that: The driving rod (920) and the variable diameter wind shield cylinder (800) are fixedly connected.

6. A construction site dust suppression device according to claim 5, characterized in that: The mounting seat (910) comprises a fixed cylinder (911) and a sliding cylinder (912), the sliding cylinder (912) being sleeved in the fixed cylinder (911), the mounting ring (500) being connected to a mounting rod (913), the mounting rod (913) and the fixed cylinder (911) being fixedly connected, the driving member (930) being installed in the fixed cylinder (911), and the sliding cylinder (912) being installed on the driving rod (920).

7. A construction site dust suppression device according to claim 6, characterized in that: One end of the driving rod (920) passes through the variable diameter windshield cylinder (800) and is connected to the push rod (940).

8. A construction site dust suppression device according to claim 6, characterized in that: The push rod (940) is mounted on the outer wall of the variable diameter wind shield cylinder (800).

9. A construction site dust suppression device according to claim 3, characterized in that: Elastic members are installed on two adjacent movable plates (620).

10. A construction site dust suppression device according to claim 9, characterized in that: The spray head (621) is installed at the middle position of the elastic member.

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