Dust fall mechanism for engineering construction site

Abstract

The utility model discloses a dust falling mechanism for an engineering construction site, which comprises a mounting frame, an angle adjusting mechanism and an air duct, and relates to the technical field of construction dust falling. According to the dust falling mechanism for the engineering construction site, the filter cover and the collecting frame are arranged at the air inlet of the air duct, and the rotating rod and the gear are arranged between the filter cover and the rotating shaft, so that the filter cover and the static collecting frame can be synchronously driven to form scraping fit during ventilation of the interior of the air duct, and the filter surface of the filter cover can be continuously cleaned; secondly, an air pipe and an air distribution frame are arranged at the top of the air duct, so that during ventilation of the air duct, the air pipe and the air distribution frame can reversely purge the filter cover by means of local wind power, impurities in filter holes of the filter cover can be stripped and concentrated into a collection frame, and the air duct is prevented from being blocked; and the impurities collected in the collecting frame can be stored leftwards through blowing, and a space is reserved for subsequent impurity storage.

Description

Technical Field

[0001] The utility model relates to the technical field of construction dust reduction, in particular to a dust reduction mechanism at an engineering construction site. Background Art

[0002] In construction projects, in order to reduce the spread of dust during the construction process, construction dust suppression devices are usually used to contain it. These devices are designed to control and reduce dust emissions at the construction site to ensure the hygiene and safety of the on-site working environment, while ensuring that environmental protection and safety standards are complied with during the construction process to reduce the impact on surrounding residents and workers.

[0003] The commonly used construction dust suppression devices in the prior art are mainly atomizing cannons, which use the cooperation of wind mechanism and water mist to spray water mist over a wider range.

[0004] Although the device adopts a wind mechanism and water mist to enable the device to better reduce smoke and dust on a large scale, it is inevitable that there are still some shortcomings in its actual use. For example, the device lacks a debris removal mechanism, so that the inlet of the wind mechanism of the device will easily absorb floating construction waste due to exhaust and the messy on-site environment, resulting in the problem that the inlet of the wind mechanism of the device is blocked. In order to avoid such problems, a dust reduction mechanism at the construction site is proposed to solve the existing problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a dust reduction mechanism for construction sites, which solves the problem that the device lacks a debris removal mechanism, resulting in the air inlet of the device being easily adsorbed due to construction waste, resulting in obstruction of the air inlet of the device.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dust reduction mechanism for a construction site, comprising a mounting frame, an angle adjustment mechanism and a duct, the angle adjustment mechanism being arranged at the top of the mounting frame, the duct being arranged inside the angle adjustment mechanism, an atomization assembly being arranged inside the duct, the inner wall of the duct being fixedly connected to a first servo motor through a bracket, the output shaft of the first servo motor being fixedly connected to a rotating shaft through a coupling, a plurality of fan blades being fixedly connected around the surface of the rotating shaft at equal intervals, a rotating rod being rotatably connected to the top of the duct through a bracket and a bearing, and one end of the rotating rod passing through and extending to the outside of an arc-shaped expansion frame at the top of the duct, a filter cover being fixedly connected to one end of the rotating rod and located at the air inlet end of the duct, gears being fixedly connected to the surfaces of the rotating shaft and the rotating rod, and the two gears being meshed with each other, and a collection frame being arranged on one side of the filter cover.

[0007] Preferably, the top of the wind tube is connected to an air duct, the air outlet end of the air duct is connected to an air distribution frame, the air distribution frame and the collection frame are fixedly connected by a U-shaped frame, and one side of the collection frame is fixedly connected to a ventilation mesh plate by bolts.

[0008] Preferably, the angle adjustment mechanism includes an assembly frame, which is fixedly arranged on the top of the mounting frame, and the front and rear sides of the inner cavity of the assembly frame are rotatably connected to rotating rods, the rear side of the assembly frame is fixedly connected to a second servo motor via a bracket, and the output shaft of the second servo motor is fixedly connected to the end of the rear rotating rod via a coupling.

[0009] Preferably, the atomization assembly comprises a spray pipe, the spray pipe is fixedly arranged on the inner wall of the air duct, the bottom of the spray pipe is connected to a water supply hose, and the water supply hose extends to the outside of the air duct.

[0010] Preferably, an inlet groove is provided on the front side of the collecting frame.

[0011] Beneficial Effects

[0012] The utility model provides a dust reduction mechanism for construction sites. Compared with the existing technology, the utility model has the following beneficial effects: the utility model sets a filter cover and a collection frame at the air inlet of the wind tube, and sets a rotating rod and a gear between the filter cover and the rotating shaft, so that during the ventilation of the inside of the wind tube, the filter cover can be synchronously driven to form a scraping cooperation with the static collection frame, so that the filter surface of the filter cover can be continuously cleaned, so that the ventilation of the wind tube is smooth, and secondly, an air duct and an air distribution frame are set on the top of the wind tube, so that during the ventilation of the wind tube, the air duct and the air distribution frame can reversely purge the filter cover with the help of local wind force, so that the impurities inside the filter holes of the filter cover can be peeled off and concentrated inside the collection frame, and the impurities collected inside the collection frame can also be stored to the left by blowing, leaving space for subsequent impurity storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the angle adjustment mechanism structure of the utility model;

[0015] Figure 3 It is a cross-sectional view of the wind tube structure of the utility model;

[0016] Figure 4 It is a side view of the internal structure of the air duct of the utility model;

[0017] Figure 5 It is a schematic diagram of the collection frame and wind distribution frame structure of the utility model;

[0018] Figure 6It is a side view of the collection frame structure of the utility model.

[0019] In the figure: 1. installation frame; 2. angle adjustment mechanism; 21. assembly frame; 22. rotating rod; 23. second servo motor; 3. air cylinder; 4. atomization assembly; 41. spray pipe; 42. water supply hose; 5. first servo motor; 6. rotating shaft; 7. fan blade; 8. rotating rod; 9. filter cover; 10. gear; 11. collection frame; 12. air duct; 13. air distribution frame; 14. ventilation mesh plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-6 The utility model provides a technical solution: a dust reduction mechanism at a construction site, comprising a mounting frame 1, an angle adjustment mechanism 2 and a wind tube 3, wherein the angle adjustment mechanism 2 is arranged at the top of the mounting frame 1, and the wind tube 3 is arranged inside the angle adjustment mechanism 2, and the angle adjustment mechanism 2 comprises an assembly frame 21, and the assembly frame 21 is fixedly arranged at the top of the mounting frame 1, and the front and rear sides of the inner cavity of the assembly frame 21 are rotatably connected to a rotating rod 22, and the rear side of the assembly frame 21 is fixedly connected to a second servo motor 23 through a bracket, and the second servo motor 23 is The output shaft is fixedly connected to the end of the rear rotating rod 22 through a coupling, an atomizer assembly 4 is arranged inside the air duct 3, the atomizer assembly 4 includes a spray pipe 41, the spray pipe 41 is fixedly arranged on the inner wall of the air duct 3, the bottom of the spray pipe 41 is connected to a water hose 42, and the water hose 42 extends to the outside of the air duct 3, the inner wall of the air duct 3 is fixedly connected to a first servo motor 5 through a bracket, the output shaft of the first servo motor 5 is fixedly connected to a rotating shaft 6 through a coupling, and a plurality of fan blades 7 are fixedly connected around the surface of the rotating shaft 6 at equal intervals.

[0022] Furthermore, in order to facilitate the removal of impurities from the filter surface of the filter cover 9, a rotating rod 8 is rotatably connected to the top of the air cylinder 3 through a bracket and a bearing, and one end of the rotating rod 8 penetrates and extends to the outside of the arc-shaped expansion frame at the top of the air cylinder 3, and one end of the rotating rod 8 is fixedly connected to the filter cover 9 at the air inlet end of the air cylinder 3. The surfaces of the rotating shaft 6 and the rotating rod 8 are fixedly connected to gears 10, and the two gears 10 are meshed with each other. A collection frame 11 is provided on one side of the filter cover 9, and an inlet groove is provided on the front side of the collection frame 11;

[0023] Furthermore, in order to facilitate the cleaning of impurities inside the filter holes of the filter cover 9, the top of the air cylinder 3 is connected to the air duct 12, and the air outlet end of the air duct 12 is connected to the air distribution frame 13. The air distribution frame 13 and the collection frame 11 are fixedly connected by a U-shaped frame, and one side of the collection frame 11 is fixedly connected to a ventilation mesh plate 14 by bolts.

[0024] When in use, the water hose 42 is connected to the on-site water pump, and then water is injected into the water hose 42 and the spray pipe 41 through the water pump, and then the first servo motor 5 is started. The first servo motor 5 drives the rotating shaft 6 and the fan blades 7 to rotate, so that the wind force blows the water mist emitted from the spray pipe 41. At the same time, the first servo motor 5 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the gear 10 to rotate. The gear 10 rotates and meshes with the adjacent gear 10, and prompts the rotating rod 8 to drive the filter cover 9 to rotate. The filter cover 9 rotates and its filtering surface continuously rotates inside the collection frame 11, and the impurities are intercepted inside the collection frame 11 through scraping on the rear side of the inner cavity of the collection frame 11. At the same time, the fan blades 7 blow air into the wind tube 3, and the air duct 12 will divert part of the wind force, and infuse the wind force into the air distribution frame 13, and distribute it to the other side of the filter cover 9. The air distribution frame 13 blows air to the other side of the filter cover 9, which will blow the impurities in the mesh of the filter cover 9 in reverse to the inside of the collection frame 11.

Claims

1. A dust reduction mechanism for a construction site, comprising a mounting frame (1), an angle adjustment mechanism (2) and a wind tube (3), wherein the angle adjustment mechanism (2) is arranged at the top of the mounting frame (1), and the wind tube (3) is arranged inside the angle adjustment mechanism (2), characterized in that: The interior of the wind tube (3) is provided with an atomizing assembly (4); the inner wall of the wind tube (3) is fixedly connected to a first servo motor (5) via a bracket; the output shaft of the first servo motor (5) is fixedly connected to a rotating shaft (6) via a coupling; a plurality of fan blades (7) are fixedly connected around the surface of the rotating shaft (6) at equal intervals; the top of the wind tube (3) is rotatably connected to a rotating rod (8) via a bracket and a bearing; one end of the rotating rod (8) penetrates through and extends to the outside of an arc-shaped expansion frame at the top of the wind tube (3); one end of the rotating rod (8) is fixedly connected to a filter cover (9) at the air inlet end of the wind tube (3); the surfaces of the rotating shaft (6) and the rotating rod (8) are fixedly connected to gears (10), and the two gears (10) are meshed with each other; a collecting frame (11) is provided on one side of the filter cover (9).

2. A construction site dust reduction mechanism according to claim 1, characterized in that: The top of the wind tube (3) is connected to an air duct (12), the air outlet end of the air duct (12) is connected to an air distribution frame (13), the air distribution frame (13) and the collection frame (11) are fixedly connected via a U-shaped frame, and one side of the collection frame (11) is fixedly connected to a ventilation mesh plate (14) via bolts.

3. A construction site dust reduction mechanism according to claim 1, characterized in that: The angle adjustment mechanism (2) comprises an assembly frame (21), the assembly frame (21) is fixedly arranged on the top of the installation frame (1), the front side and the rear side of the inner cavity of the assembly frame (21) are both rotatably connected to a rotating rod (22), the rear side of the assembly frame (21) is fixedly connected to a second servo motor (23) via a bracket, and the output shaft of the second servo motor (23) is fixedly connected to the end of the rear rotating rod (22) via a coupling.

4. The dust reduction mechanism for construction sites according to claim 1, characterized in that: The atomizing assembly (4) comprises a spray pipe (41), wherein the spray pipe (41) is fixedly arranged on the inner wall of the wind tube (3), and the bottom of the spray pipe (41) is connected to a water supply hose (42), and the water supply hose (42) extends to the outside of the wind tube (3).

5. The dust reduction mechanism for construction sites according to claim 1, characterized in that: An inlet groove is provided on the front side of the collecting frame (11).

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