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CN-122006374-A - Construction dust falling device and dust falling method

CN122006374ACN 122006374 ACN122006374 ACN 122006374ACN-122006374-A

Abstract

The invention belongs to the technical field of building construction, and discloses a construction dust fall device, which comprises a shell, a protective cover and an intermediate shaft, wherein the protective cover and the intermediate shaft are respectively fixedly connected to the top of the shell and in a cavity, a spray head assembly is arranged in the shell, a conveying pipe assembly for conveying water into the spray head assembly is arranged at the bottom of the shell, and a direction adjusting mechanism capable of reversely adjusting the spraying direction of the spray head assembly along with the wind direction is arranged on the protective cover. According to the scheme, the water source is led into the spray head body through the conveying pipe assembly and is sprayed outwards from the end part of the spray head body, so that when the device encounters air flow, the blades can deflect by taking the spherical part of the sleeve rod as the axis, for example, when the spray head assembly deflects by taking the intermediate shaft as the axis, the flow baffle plate can be abutted with the corresponding support arc plate and deflect the corresponding support arc plate, the opening of the spray head body is reduced, and at the moment, the spray head body can spray a longer distance to resist the air flow, so that the effective contact time of water mist and dust is prolonged.

Inventors

  • LI SHOUWEN
  • LI SHOUFENG
  • ZHAI XIUFANG

Assignees

  • 山东康诚工程科技有限公司

Dates

Publication Date
20260512
Application Date
20260227

Claims (9)

  1. 1. The construction dust device comprises a shell (1) and is characterized by further comprising a protective cover (11) and an intermediate shaft (12) which are fixedly connected to the top of the shell (1) and in a cavity respectively, wherein a spray head assembly (2) is arranged in the shell (1), a conveying pipe assembly (3) for conveying water into the spray head assembly (2) is arranged at the bottom of the shell (1), and a direction adjusting mechanism (4) capable of reversely adjusting the spraying direction of the spray head assembly (2) along with the wind direction is arranged on the protective cover (11); The spray head assembly (2) comprises a spray head body (21) sleeved on the periphery of the intermediate shaft (12), a group of elastic supporting pieces (22) which have opposite movement trend and are supported on the periphery of the intermediate shaft (12) are arranged on the spray head body in a symmetrical direction, a first spring telescopic rod (23) is hinged to two sides of the spray head body (21), and the other end of the first spring telescopic rod is hinged to the inner wall of the shell (1); the direction adjusting mechanism (4) comprises a sleeve rod (41) with a ball shaft connected to the protective cover (11), a hemispherical spring piston rod (42) with the bottom end made of rubber is sleeved on the sleeve rod, the top of the sleeve rod (41) extends to the upper part of the protective cover (11) and is provided with a blade (43), a plurality of second spring telescopic rods (44) are hinged outside the sleeve rod (41) at Zhou Dengjiao ℃, the top ends of the second spring telescopic rods (44) are hinged with the protective cover (11), the spring piston rod (42) has a descending trend, and the bottom ends of the spring piston rods can be in contact with the upper surface of the spray head body (21); the spray head body (21) is provided with a pressure regulating component (6) for reducing the opening of the spray head body (21) when the spray head is sprayed against wind.
  2. 2. The construction dust device according to claim 1, wherein the spring piston rod (42) is fixedly connected with a hexagonal prism, and the top end of the hexagonal prism extends upwards into the sleeve rod (41) and is in clearance fit with the sleeve rod.
  3. 3. The construction dust device according to claim 1, wherein the conveying pipe assembly (3) comprises a main pipe (31) fixedly arranged at the bottom of the shell (1), a spring core bar (32) is movably sleeved in the main pipe (31), a corrugated pipe (33) is fixedly communicated with the middle part of the main pipe (31), and the top end of the corrugated pipe (33) is communicated with the cavity of the spray head body (21); The periphery of the spring core bar (32) can block the communication between the main pipeline (31) and the corrugated pipe (33) at the beginning.
  4. 4. The construction dust device according to claim 3, wherein a pressure chamber is formed between the outer periphery of the rod body part of the spring piston rod (42) and the chamber of the sleeve rod (41); One end of the main pipeline (31) is fixedly communicated with a secondary pipeline (311), the other end of the secondary pipeline (311) can extend to the protective cover (11) and the pressure cavity is communicated, and the part, located between the spring core bar (32) and the secondary pipeline (311), of the cavity of the main pipeline (31) stores hydraulic oil; the top of the cavity of the protective cover (11) is provided with an oil storage component (5), and hydraulic oil enters the pressure cavity to jack up the spring piston rod (42) and then downwards reset, so that the hydraulic oil in the spring piston rod can be temporarily stored in the oil storage component (5).
  5. 5. The construction dust device of claim 4, wherein the oil storage component (5) comprises an oil storage barrel (51) fixedly arranged at the top of a cavity of the protective cover (11), the bottom of the oil storage barrel (51) is communicated with the auxiliary pipeline (311), a unidirectional valve clack (53) which is downwards unidirectional in conduction is arranged in the middle of the oil storage barrel (51), micropores are formed in the middle of the unidirectional valve clack (53), a spring combined piston (52) which is arranged below the unidirectional valve clack (53) and has a descending trend is movably arranged in the oil storage barrel (51), and a constant pressure hole (54) which is arranged above the unidirectional valve clack (53) is formed in the periphery of the oil storage barrel (51); The middle part of the sleeve rod (41) is in a penetrating hollow shape, and a cavity of the sleeve rod (41) above the spring piston rod (42) can be communicated with the outside.
  6. 6. The construction dust device of claim 5, wherein the top end of the spring combined piston (52) is fixedly connected with a hollow column (521), a plurality of vertical through grooves (522) are formed in the hollow column (521) in an annular array, and the hollow column (521) can push the one-way valve clack (53) to be opened upwards; initially, a space is left between the top end of the hollow column (521) and the unidirectional valve clack (53).
  7. 7. The construction dust device according to claim 1, wherein the pressure regulating assembly (6) comprises a flow blocking plate (61) rotationally connected to the output end of the nozzle body (21) in a symmetrical direction, a shaft body part of the flow blocking plate (61) can extend to the bottom of the nozzle body (21) and is fixedly connected with a sector gear (63), the sector gears (63) on the two flow blocking plates (61) are meshed with each other, a spring plate (64) for supporting the sector gear (63) is fixedly connected to the bottom of the shell (1), a group of supporting arc plates (62) are fixedly connected to the inner wall of the end part of the shell (1), and one end, close to the two supporting arc plates (62), can be abutted to the outer side of the corresponding flow blocking plate (61); the bottom of the cavity of the shell (1) is fixedly connected with a semicircular baffle (631), and when the nozzle body (21) moves outwards, the sector gear (63) can be forced to rotate.
  8. 8. The construction dust device of claim 1, wherein a group of elastic scraping blades (211) are fixedly connected to two sides of the spray head body (21) in a symmetrical direction, the elastic scraping blades (211) are movably connected to the inside of the shell (1), and the other side of each elastic scraping blade (211) is provided with a brush and can be contacted with the side wall of the cavity of the shell (1).
  9. 9. A dust settling method of a construction dust settling device, adopting the construction dust settling device as claimed in claim 1, characterized in that the dust settling method comprises the following steps: Install shell (1) at enclosing the fender top, guide in water source and outwards spout through shower nozzle body (21) tip in shower nozzle body (21) through conveyer pipe subassembly (3), when meeting the air current, the air current can make blade (43) use sleeve pole (41) globular part as the axle center deflection, sleeve pole (41) can drive spring piston rod (42) and also can deflect this moment, and the hemispherical portion of spring piston rod (42) bottom can drive shower nozzle body (21) to the opposite direction of blade (43) deflection direction and remove, when shower nozzle body (21) spout upwind orientation, pressure regulating subassembly (6) can reduce the opening of shower nozzle body (21), shower nozzle body (21) can spray farther distance in order to increase the effective contact time of water smoke and dust this moment.

Description

Construction dust falling device and dust falling method Technical Field The invention belongs to the technical field of building construction, and particularly relates to a construction dust fall device and a dust fall method. Background In the city construction process, construction activities generally generate a large amount of dust, and if the construction activities are not controlled, the dust is extremely easy to spread to surrounding areas, so that negative effects are caused on air quality and resident health. Therefore, effective dust-reducing measures must be taken at the construction site. In the building construction or road construction process, people can set up the seal around the construction area generally to enclose and keep off upper portion installation watering shower nozzle, but when the raise dust that produces in the work progress outwards diffuses to enclosing and keep off the edge, partial dust particle and water smoke interact and by adsorb subsidence, thereby separation dust is outwards escaped to a certain extent and reduce the pollution to the external environment of construction area. However, the water mist formed by the spray head is easily influenced by wind force, for example, when the wind direction flows from a construction site to the outside of the enclosure, the water mist and dust can be synchronously wrapped and clamped by the air current and blown away from the enclosure, so that the effective contact time of the water mist and the dust is greatly shortened, the contact efficiency is reduced, and the dust suppression is obviously reduced. Therefore, in order to solve the problems, a construction dust-settling device and a dust-settling method are provided. Disclosure of Invention In order to solve the problems in the prior art, the invention provides a construction dust fall device and a dust fall method, which solve the problem that the dust suppression efficiency is reduced due to the fact that a sprinkler head is arranged at the top of a closed enclosure and is easily influenced by air flow. The construction dust device comprises a shell, a protective cover and an intermediate shaft, wherein the protective cover and the intermediate shaft are respectively fixedly connected to the top of the shell and the cavity, a spray head assembly is arranged in the shell, a conveying pipe assembly for conveying water into the spray head assembly is arranged at the bottom of the shell, and a direction adjusting mechanism capable of reversely adjusting the spraying direction of the spray head assembly along with the wind direction is arranged on the protective cover; the spray head assembly comprises a spray head body sleeved on the periphery of the intermediate shaft, a group of elastic supporting pieces which have opposite movement trend and are supported on the periphery of the intermediate shaft are arranged on the spray head body in a symmetrical direction, a first spring telescopic rod is hinged to two sides of the spray head body, and the other end of the first spring telescopic rod is hinged to the inner wall of the shell; The direction adjusting mechanism comprises a sleeve rod with a ball shaft connected to the protective cover, a hemispherical spring piston rod with the bottom end made of rubber is sleeved on the sleeve rod, the top of the sleeve rod extends to the upper part of the protective cover and is provided with blades, a plurality of second spring telescopic rods are hinged outside the sleeve rod at Zhou Dengjiao degrees, the top ends of the second spring telescopic rods are hinged with the protective cover, the spring piston rod has a descending trend, and the bottom ends of the spring piston rod can be in contact with the upper surface of the spray head body; the spray head body is provided with a pressure regulating component for reducing the opening of the spray head body when the spray head is sprayed against wind. Preferably, a hexagonal prism is fixedly connected in the spring piston rod, and the top end of the hexagonal prism extends upwards into the sleeve rod and is in clearance fit with the sleeve rod. Preferably, the delivery pipe assembly comprises a main pipe fixedly arranged at the bottom of the shell, a spring core rod is movably sleeved in the main pipe, a corrugated pipe is fixedly communicated with the middle part of the main pipe, the top end of the corrugated pipe is communicated with the cavity of the nozzle body, and the periphery of the spring core rod can block the communication between the main pipe and the corrugated pipe in the initial stage. Preferably, a pressure cavity is formed between the periphery of the rod body part of the spring piston rod and the cavity of the sleeve rod; One end of the main pipeline is fixedly communicated with a secondary pipeline, the other end of the secondary pipeline can extend to the protective cover and is communicated with the pressure cavity, and the part, located between the spring core rod