CN117753139A - Dust fall ventilation unit for building - Google Patents
Dust fall ventilation unit for building Download PDFInfo
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- CN117753139A CN117753139A CN202410197649.0A CN202410197649A CN117753139A CN 117753139 A CN117753139 A CN 117753139A CN 202410197649 A CN202410197649 A CN 202410197649A CN 117753139 A CN117753139 A CN 117753139A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 58
- 239000000428 dust Substances 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007790 scraping Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 19
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 239000007921 spray Substances 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The invention relates to a dust fall ventilation device for a building, which comprises a bottom plate, a mounting bracket and a ventilation mechanism, and is characterized in that: the bottom plate is provided with a mounting bracket, and the mounting bracket is provided with a ventilation mechanism; the ventilation mechanism sucks external air into the first water tank, so that dust in the air and liquid in the first water tank are combined to achieve a dust-settling effect, and the air is discharged again through the air outlet, so that the convection of the air and the removal of dust in the air are achieved through the mechanism, and the dust-settling and ventilation effects are achieved; the invention adopts an internal circulation mode, so that the dust settling effect is more remarkable and efficient, the recycling of liquid can be realized, and the use cost is reduced.
Description
Technical Field
The invention relates to the field of buildings, in particular to a dust fall ventilation device for building construction.
Background
In the building construction process, dust on a construction site is often caused to fly due to the influence of a construction mode and an operation method, so that the surrounding environment or residents are greatly influenced, and the physical health of workers on the construction site is also influenced.
The existing building construction process often adopts an atomization gun to realize a dust falling effect, and the method has the following defects that 1, the atomization gun is used for atomizing water and then combining the water with dust in the air, so that the weight of the water is increased and the water drops on the ground, and the method can lead to a local area of the ground to be muddy and cause accident potential safety hazards; 2. the atomization cannon is adopted to reduce dust, so that more water resources are required to be wasted, and the cost is wasted; 3. the atomization cannon adopts an open dust fall means, so that the combination efficiency of materialized water drops and dust in the air is lower, and the dust fall effect is difficult to meet the use requirement.
Aiming at the technical problems, the invention designs the falling ventilation device for the building, which can realize the rapid dust fall and ventilation effects in the building construction process.
Disclosure of Invention
The invention aims to solve the technical problems of providing a closed type device which introduces air into liquid to realize dust fall and dust removal, can automatically realize dust filtration, further effectively recycle the liquid, reduce the production cost and increase the dust fall efficiency, thereby solving the problems of lower dust fall efficiency and higher use cost in the prior art,
the invention relates to a dust fall ventilation device for a building, which comprises a bottom plate, a mounting bracket and a ventilation mechanism, and is characterized in that:
the mounting bracket is arranged on the bottom plate, and the ventilation mechanism is arranged on the mounting bracket;
The ventilation mechanism comprises a motor, a first bevel gear, a second bevel gear, a first rotating shaft, a rear cover, a ventilation pipeline, a flow divider, a first water tank, a first channel, an air outlet, a first fan and a second fan;
The output shaft of the motor is in driving connection with the first bevel gear, the first bevel gear is installed on the installation support through a bearing, the first bevel gear is meshed with the second bevel gear, the second bevel gear is coaxially fixed with one end of the first rotating shaft, the first rotating shaft is installed on the rear cover through a bearing, the side face of the rear cover is fixedly connected and communicated with one end of the ventilating duct, the ventilating duct is fixedly connected with the installation support, the other end of the ventilating duct is fixedly connected and communicated with an air inlet of the flow divider, the flow divider is arranged at the bottom in the first water tank, the first water tank is fixedly connected with the installation support, the top of the first water tank is fixedly connected and communicated with the middle of the first channel, and a plurality of air exhaust outlets are respectively formed in two sides of the first channel;
The back cover with rotatable sealing connection of one end of first fan, first fan with one side coaxial fixed of first pivot, the opposite side of first pivot with the coaxial fixed of second fan, first fan with the second fan is installed respectively through the bearing on the installing support, first fan pass through dust fall mechanism with second fan sealing connection and intercommunication.
The invention relates to a dust-fall ventilation device for a building, wherein
the dust settling device comprises a second water tank, a water pump, a first water pipe, an annular pipe, a nozzle, a first connecting barrel, a backflow pipeline and a filter box;
The side face of the first water tank is fixedly connected and communicated with the second water tank, the water pump is arranged in the second water tank, the water outlet of the water pump is fixedly connected and communicated with one end of the first water pipe, the first water pipe penetrates through the side wall of the second water tank, the other end of the first water pipe is fixedly connected and communicated with the annular pipe, and a plurality of nozzles are uniformly arranged on the side face of the annular pipe along the axial direction;
The annular pipe is configured and arranged in the first connecting barrel, one end of the first connecting barrel is connected with the first fan, the other end of the first connecting barrel is connected with the second fan in a rotatable sealing mode, the bottom of the first connecting barrel is fixedly connected and communicated with one end of the backflow pipeline, the other end of the backflow pipeline is fixedly connected and communicated with the top of the first water tank, and the filter box is configured between the first water tank and the second water tank in a sealing mode.
The invention relates to a dust-fall ventilation device for a building, wherein
The output shaft of the motor is in driving connection with the first bevel gear through a transmission part, and the transmission part comprises a first universal joint, a first square sleeve, a first square shaft and a second universal joint;
The output shaft of the motor is coaxially fixed with one end of the first universal joint, the other end of the first universal joint is coaxially fixed with one end of the first square sleeve, the first square shaft moving along the first square shaft is arranged in the first square sleeve, one end of the first square shaft, which is far away from the first square sleeve, is coaxially fixed with one end of the second universal joint, and the other end of the second universal joint is coaxially fixed with the first bevel gear.
The invention relates to a dust-fall ventilation device for a building, wherein
The nozzle comprises a threaded pipe, a nozzle pipeline, a diversion channel, a first nozzle and a second nozzle;
the side of ring pipe with the sealed threaded connection of one end of screwed pipe, the other end of screwed pipe with the one end fixed connection and the intercommunication of nozzle pipeline, the internal surface of nozzle pipeline is evenly seted up a plurality of along the axial the reposition of redundant personnel passageway, the reposition of redundant personnel passageway is kept away from the one end of screwed pipe has been seted up a plurality of first spouts, the side of reposition of redundant personnel passageway is evenly seted up a plurality of along its length direction the second spout.
The invention relates to a dust-fall ventilation device for a building, wherein
The other end of the first connecting barrel is connected with the first fan through a mud scraping mechanism, and the mud scraping mechanism comprises a first gear ring, a first gear, a second rotating shaft, a second gear ring, a mud scraping plate, a mud guard, a ventilation opening and a second connecting barrel;
The outer surface of the first fan is coaxially fixed with the first gear ring, the first gear ring is meshed with the first gear, the first gear is coaxially fixed with one end of the second rotating shaft, the second rotating shaft is arranged on the mounting bracket through a bearing, the other end of the second rotating shaft is coaxially fixed with the second gear, the second gear is meshed with the second gear ring, the second gear ring is coaxially fixed with the outer surface of the second connecting barrel, one end of the second connecting barrel is rotatably and hermetically connected with the first connecting barrel, and the other end of the second connecting barrel is rotatably and hermetically connected with the first fan;
The inner surface of the second connecting barrel is uniformly fixed with a plurality of mud scraping plates along the axial direction of the second connecting barrel, the mud scraping plates are in lap joint with the inner surface of the first connecting barrel, the inner surface of the second connecting barrel is coaxially fixed with the mud guard, a plurality of ventilation openings are uniformly formed in the mud guard, and the ventilation openings are communicated with the second connecting barrel and the first fan.
The invention relates to a dust-fall ventilation device for a building, wherein
the motor is also driven with a swinging mechanism, and the swinging mechanism comprises a worm, a fixed bracket, a turbine, a third rotating shaft, a cam and a spring;
The output shaft of the motor is coaxially fixed with the worm, the worm is mounted on the fixed support through a bearing, the fixed support is fixedly connected with the mounting support, the worm is meshed with the turbine, the turbine is coaxially fixed with the middle part of the third rotating shaft, the third rotating shaft is mounted on the fixed support through a bearing, two ends of the third rotating shaft are respectively fixedly connected with the cam, and the side surface of the cam is overlapped with the upper surface of the bottom plate;
The upper surface of bottom plate with a plurality of the one end fixed connection of spring, a plurality of the other end of spring with the bottom fixed connection of installing support, the installing support keep away from one side of spring with the upper surface hinged joint of bottom plate.
the dust-settling ventilation device for the building is different from the prior art in that: 1. the dust-settling ventilation device for the building realizes dust-settling effect in a circulating air suction mode, and has high controllability and higher dust-settling efficiency; 2. the mist spray head is combined with the circulating air suction, so that dust in the sucked air can be fully contacted with the water mist, and the dust settling effect is realized; 3. the solid-liquid separation mode is adopted to realize the separation of liquid and dust, thereby realizing the recycling of dust settling liquid and reducing the use cost.
the dust-settling ventilation device for the building is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is an isometric view of a dust fall ventilation device for a building;
FIG. 2 is a front view of the dust-settling ventilation device for construction shown in FIG. 1;
FIG. 3 is an isometric view, partially in section, of FIG. 2;
Fig. 4 is a front view of fig. 3;
FIG. 5 is a perspective view of a portion of the component of FIG. 4;
FIG. 6 is a cut-away perspective view of a portion of the part of FIG. 3;
FIG. 7 is a disassembled perspective view of a portion of the parts of FIG. 3;
FIG. 8 is a cut-away perspective view of a portion of the part of FIG. 7;
Fig. 9 is an isometric view of a portion of the component of fig. 2.
Reference numerals illustrate:
101. A bottom plate; 102. a mounting bracket;
200. A ventilation mechanism; 201. a motor; 202. a first bevel gear; 203. a second bevel gear; 204. a first rotating shaft; 205. a rear cover; 206. a ventilation duct; 207. a shunt; 208. a first water tank; 209. a first channel; 210. an air outlet; 211. a first fan; 212. a second fan; 220. a transmission part; 221. a first universal joint; 222. a first sleeve; 223. a first square shaft; 224. a second universal joint;
300. A dust fall mechanism; 301. a second water tank; 302. a water pump; 303. a first water pipe; 304. an annular tube; 305. a first connection tub; 306. a return line; 307. a filter box; 310. a nozzle; 311. a threaded tube; 312. a nozzle pipe; 313. a shunt channel; 314. a first spout; 315. a second spout;
400. A mud scraping mechanism; 401. a first ring gear; 402. a first gear; 403. a second rotating shaft; 404. a second gear; 405. a second ring gear; 406. a mud scraping plate; 407. a mud guard; 408. a vent; 409. a second connecting barrel;
500. A swinging mechanism; 501. a worm; 502. a fixed bracket; 503. a turbine; 504. a third rotating shaft; 505. a cam; 506. and (3) a spring.
Detailed Description
As shown in fig. 1 to 4, the dust-settling ventilation device for building of the present invention includes a base plate 101, a mounting bracket 102 and a ventilation mechanism 200, and is characterized in that:
The mounting bracket 102 is installed on the bottom plate 101, and the ventilation mechanism 200 is installed on the mounting bracket 102;
The ventilation mechanism 200 comprises a motor 201, a first bevel gear 202, a second bevel gear 203, a first rotating shaft 204, a rear cover 205, a ventilation pipeline 206, a flow divider 207, a first water tank 208, a first channel 209, an exhaust outlet 210, a first fan 211 and a second fan 212;
The output shaft of the motor 201 is in driving connection with the first bevel gear 202, the first bevel gear 202 is mounted on the mounting bracket 102 through a bearing, the first bevel gear 202 is meshed with the second bevel gear 203, the second bevel gear 203 is coaxially fixed with one end of the first rotating shaft 204, the first rotating shaft 204 is mounted on the rear cover 205 through a bearing, the side surface of the rear cover 205 is fixedly connected and communicated with one end of the ventilation pipeline 206, the ventilation pipeline 206 is fixedly connected and communicated with the mounting bracket 102, the other end of the ventilation pipeline 206 is fixedly connected and communicated with an air inlet of the flow divider 207, the flow divider 207 is arranged at the bottom in the first water tank 208, the first water tank 208 is fixedly connected with the mounting bracket 102, the top of the first water tank 208 is fixedly connected and communicated with the middle part of the first channel 209, and a plurality of air outlets 210 are respectively arranged on two sides of the first channel 209;
The back cover 205 is in rotatable sealing connection with one end of the first fan 211, the first fan 211 is coaxially fixed with one side of the first rotating shaft 204, the other side of the first rotating shaft 204 is coaxially fixed with the second fan 212, the first fan 211 and the second fan 212 are respectively installed on the installing support 102 through bearings, and the first fan 211 is in sealing connection and communication with the second fan 212 through a dust falling mechanism 300.
According to the invention, the motor 201 drives the first fan 211 and the second fan 212 to suck external air into the first water tank 208, the dust-settling effect is realized through combination with liquid in the first water tank 208, and the air is discharged again through the air outlet 210, so that the convection of air and the removal of dust in the air are realized through the mechanism, and the dust-settling ventilation effect is realized.
According to the invention, the motor 201 drives the first fan 211 and the second fan 212 to synchronously rotate through the output shaft thereof, so that the outside air enters the rear cover 205 through the second fan 212 and the first fan 211 and is conveyed to the flow divider 207 along the ventilating duct 206, and the air is uniformly distributed at the bottom of the first water tank 208 and is fully mixed with the liquid in the first water tank 208 through the flow dividing effect of the flow divider 207, so that dust in the air is mixed in the first water tank 208, and the air after dust removal is discharged outwards through the first channel 209 and the air outlet 210, thereby realizing the dust-reducing ventilation effect.
The first fan 211 and the second fan 212 are coaxially arranged, so that a larger suction force of the double-vortex fan is ensured, and external air is more easily sucked into the rear cover 205.
as a further explanation of the invention, see figures 3, 4,
The dust fall mechanism 300 comprises a second water tank 301, a water pump 302, a first water pipe 303, an annular pipe 304, a nozzle 310, a first connecting barrel 305, a return pipe 306 and a filter tank 307;
The side surface of the first water tank 208 is fixedly connected and communicated with the second water tank 301, the water pump 302 is arranged in the second water tank 301, the water outlet of the water pump 302 is fixedly connected and communicated with one end of the first water pipe 303, the first water pipe 303 penetrates through the side wall of the second water tank 301, the other end of the first water pipe 303 is fixedly connected and communicated with the annular pipe 304, and a plurality of nozzles 310 are uniformly arranged on the side surface of the annular pipe 304 along the axial direction;
The annular pipe 304 is configured and installed in the first connection barrel 305, one end of the first connection barrel 305 is connected with the first fan 211, the other end of the first connection barrel 305 is rotatably and hermetically connected with the second fan 212, the bottom of the first connection barrel 305 is fixedly connected and communicated with one end of the backflow pipeline 306, the other end of the backflow pipeline 306 is fixedly connected and communicated with the top of the first water tank 208, and the filter tank 307 is hermetically configured between the first water tank 208 and the second water tank 301.
In the present invention, the water pump 302 sprays the liquid in the second water tank 301 outwards through the nozzle 310, so that in the process that the external air enters the first connection barrel 305 through the first fan 211, dust contained in the air is removed through spraying the liquid sprayed out of the nozzle 310, a preliminary dust-settling effect is achieved, and the sprayed liquid flows back into the first water tank 208 through the return pipe 306 and is filtered and recycled through the filter tank 307, thereby reducing the use cost.
According to the invention, the liquid in the second water tank 301 is conveyed into the annular pipe 304 through the first water pipe 303 under the action of the water pump 302, and is uniformly sprayed outwards through the nozzle 310 arranged on the side surface of the annular pipe 304 to form barrel-shaped spray, and as the annular pipe 304 and the first connecting barrel 305 are arranged between the first fan 211 and the second fan 212, the external air firstly enters the first connecting barrel 305 through the first fan 211 and then enters the first water tank 208 through the second fan 212 in the rotation process of the first fan 211, and in the process, the external air fully contacts with the barrel-shaped spray formed by the external air when flowing into the first connecting barrel 305, the primary dust fall effect is realized, and the first connecting barrel 305 can recover the sprayed liquid, then is collected in the first water tank 208 through the backflow pipeline 306 and flows back to the second water tank 301 through the filtration of the filtration tank 307, so that the recycling cost is reduced.
The filter tank 307 is detachably installed between the second water tank 301 and the first water tank 208, so that the liquid collected by the first connection barrel 305 flows into the first water tank 208, and can flow back to the second water tank 301 after being filtered by the filter tank 307, thereby realizing recycling of the liquid.
the filter box 307 may be filled with a filter interlayer such as activated carbon, sea sand or filter cotton, so as to filter dust mixed in the liquid.
The first water pipe 303 is symmetrically disposed in front of and behind the center of the second water tank 301, so that the water pump 302 can convey the liquid to the annular pipe 304 through the front and rear sides, thereby ensuring the pressure of the liquid in the annular pipe 304, and the spray sprayed outwards by the nozzle 310 can more fully achieve the dust settling effect.
as a further explanation of the invention, see figures 4, 5,
an output shaft of the motor 201 is in driving connection with the first bevel gear 202 through a transmission part 220, wherein the transmission part 220 comprises a first universal joint 221, a first square sleeve 222, a first square shaft 223 and a second universal joint 224;
The output shaft of the motor 201 is coaxially fixed to one end of the first universal joint 221, the other end of the first universal joint 221 is coaxially fixed to one end of the first square sleeve 222, the first square shaft 223 moving along the first square sleeve 222 is disposed in the first square sleeve 222, one end of the first square shaft 223 away from the first square sleeve 222 is coaxially fixed to one end of the second universal joint 224, and the other end of the second universal joint 224 is coaxially fixed to the first bevel gear 202.
According to the invention, through the conduction of the structure, the first bevel gear 202 can be synchronously driven to rotate in the rotation process of the output shaft of the motor 201, so that the first fan 211 and the second fan 212 rotate, and the dust-settling ventilation effect is realized.
The cross section of the first square shaft 223 is square, and the cross section of the inner surface of the first square sleeve 222 is square matching with the cross section of the first square shaft 223, so that the first square sleeve 222 can synchronously drive the first square shaft 223 to rotate in the rotating process, and the first square shaft 223 can slide back and forth relative to the first square sleeve 222.
the structures of the first universal joint 221 and the second universal joint 224 are identical, and are of the prior art, and will not be described herein.
As a further explanation of the invention, see figures 4, 7, 8,
The nozzle 310 comprises a threaded pipe 311, a nozzle pipe 312, a diversion channel 313, a first nozzle 314 and a second nozzle 315;
The side of the annular pipe 304 is in sealed threaded connection with one end of the threaded pipe 311, the other end of the threaded pipe 311 is fixedly connected and communicated with one end of the nozzle pipe 312, a plurality of diversion channels 313 are uniformly formed in the inner surface of the nozzle pipe 312 along the axial direction, a plurality of first nozzles 314 are formed in one end, far away from the threaded pipe 311, of the diversion channels 313, and a plurality of second nozzles 315 are uniformly formed in the side of the diversion channels 313 along the length direction.
according to the invention, through the diversion effect of the diversion channels 313, the liquid in the annular pipe 304 is uniformly distributed to the first nozzle 314 and the second nozzle 315 and is sprayed outwards, so that the sprayed mist is ensured to be full and dense, the contact of dust in the air is facilitated, and the dust settling effect is better completed.
the outer side surface of the nozzle pipe 312 is circular arc, which ensures that the mist sprayed outwards through the second nozzle 315 is more nearly spherical, thereby increasing the contact area with dust in the air.
As a further explanation of the invention, see figures 2,3,6,
The other end of the first connecting barrel 305 is connected with the first fan 211 through a mud scraping mechanism 400, and the mud scraping mechanism 400 comprises a first gear ring 401, a first gear 402, a second rotating shaft 403, a second gear 404, a second gear ring 405, a mud scraping plate 406, a mud guard 407, a ventilation opening 408 and a second connecting barrel 409;
The outer surface of the first fan 211 is coaxially fixed with the first gear ring 401, the first gear ring 401 is meshed with the first gear 402, the first gear 402 is coaxially fixed with one end of the second rotating shaft 403, the second rotating shaft 403 is mounted on the mounting bracket 102 through a bearing, the other end of the second rotating shaft 403 is coaxially fixed with the second gear 404, the second gear 404 is meshed with the second gear ring 405, the second gear ring 405 is coaxially fixed with the outer surface of the second connecting barrel 409, one end of the second connecting barrel 409 is rotatably and hermetically connected with the first connecting barrel 305, and the other end of the second connecting barrel 409 is rotatably and hermetically connected with the first fan 211;
The inner surface of the second connecting barrel 409 is uniformly fixed with a plurality of scraping plates 406 along the axial direction thereof, the scraping plates 406 are overlapped with the inner surface of the first connecting barrel 305, the inner surface of the second connecting barrel 409 is coaxially fixed with the mud guard 407, a plurality of ventilation openings 408 are uniformly formed in the mud guard 407, and the ventilation openings 408 are communicated with the second connecting barrel 409 and the first fan 211.
In the process of driving the first fan 211 to rotate by the motor 201, the first gear ring 401 is further driven to rotate, and the second gear ring 405 and the second connecting barrel 409 are driven to synchronously rotate by the transmission function of gear rotation, and the second connecting barrel 409 further drives the scraper 406 to rotate, so that the slurry-water mixture on the inner surface of the first connecting barrel 305 is scraped, and smoothly flows back into the first water tank 208 through the backflow pipeline 306, and in the process, the scraper 407 blocks the wind blown in by the second fan 212 to bring atomized liquid into the first fan 211, thereby facilitating the backflow and recovery of the liquid.
The person skilled in the art can control the rotation speed of the second connecting barrel 409 relative to the first fan 211 by adjusting the transmission ratio of the first gear 401 to the first gear 402 and the transmission ratio of the second gear 404 to the second gear 405, so as to meet the use requirement.
Wherein the outline shape of the vent hole 408 is a truncated cone shape, and the diameter of the side close to the first connecting barrel 305 is larger than the diameter of the side far away from the first connecting barrel 305, the invention is beneficial to the atomized liquid to flow back down the side wall of the vent hole 408 into the first water tank 208 after adhering to the mud guard 407 and the vent hole 408.
As a further explanation of the invention, see figures 4, 9,
the motor 201 is further provided with a swinging mechanism 500, and the swinging mechanism 500 comprises a worm 501, a fixed bracket 502, a turbine 503, a third rotating shaft 504, a cam 505 and a spring 506;
the output shaft of the motor 201 is coaxially fixed with the worm 501, the worm 501 is mounted on the fixed bracket 502 through a bearing, the fixed bracket 502 is fixedly connected with the mounting bracket 102, the worm 501 is meshed with the turbine 503, the turbine 503 is coaxially fixed with the middle part of the third rotating shaft 504, the third rotating shaft 504 is mounted on the fixed bracket 502 through a bearing, two ends of the third rotating shaft 504 are respectively fixedly connected with the cam 505, and the side surface of the cam 505 is overlapped with the upper surface of the bottom plate 101;
The upper surface of the bottom plate 101 is fixedly connected with one ends of a plurality of springs 506, the other ends of the springs 506 are fixedly connected with the bottom of the mounting bracket 102, and one side, away from the springs 506, of the mounting bracket 102 is hinged with the upper surface of the bottom plate 101.
According to the invention, the motor 201 drives the two cams 505 to move on the upper surface of the bottom plate 101 through the worm 501, and the mounting bracket 102 can swing up and down in a certain angle range by taking a hinge point as an axis by combining the hinge connection relation of the mounting bracket 102 and the bottom plate 101, so that the first fan 211 can suck air in a larger range and complete the ventilation and dust reduction effects, thereby improving the working efficiency.
The third rotating shaft 504 is coaxially fixed with the minor diameter of the cam 505, so that in the rotating process of the third rotating shaft 504, the distance difference formed between each position of the side surface of the cam 505 and the axle center of the third rotating shaft 504 is continuously changed, and the up-and-down swing of the mounting bracket 102 is driven.
wherein the spring 506 is always in an elongated state, the present invention ensures that the side of the cam 505 always overlaps the upper surface of the base plate 101 under the elastic force of the spring 506.
the above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a dust fall ventilation unit for building, includes bottom plate (101), installing support (102) and ventilation mechanism (200), its characterized in that:
the mounting bracket (102) is arranged on the bottom plate (101), and the ventilation mechanism (200) is arranged on the mounting bracket (102);
The ventilation mechanism (200) comprises a motor (201), a first bevel gear (202), a second bevel gear (203), a first rotating shaft (204), a rear cover (205), a ventilation pipeline (206), a flow divider (207), a first water tank (208), a first channel (209), an air outlet (210), a first fan (211) and a second fan (212);
the output shaft of the motor (201) is in driving connection with the first bevel gear (202), the first bevel gear (202) is installed on the mounting bracket (102) through a bearing, the first bevel gear (202) is meshed with the second bevel gear (203), the second bevel gear (203) is coaxially fixed with one end of the first rotating shaft (204), the first rotating shaft (204) is installed on the rear cover (205) through a bearing, the side surface of the rear cover (205) is fixedly connected and communicated with one end of the ventilation pipeline (206), the ventilation pipeline (206) is fixedly connected and communicated with the mounting bracket (102), the other end of the ventilation pipeline (206) is fixedly connected and communicated with an air inlet of the flow divider (207), the flow divider (207) is configured at the bottom in the first water tank (208), the first water tank (208) is fixedly connected with the mounting bracket (102), the top of the first water tank (208) is fixedly connected with the middle of the first channel (209), and the two sides of the first channel (209) are respectively provided with a plurality of exhaust ports (210);
The back cover (205) with rotatable sealing connection of one end of first fan (211), first fan (211) with one side coaxial fixed of first pivot (204), the opposite side of first pivot (204) with second fan (212) coaxial fixed, first fan (211) with second fan (212) are installed respectively through the bearing on installing support (102), first fan (211) pass through dust fall mechanism (300) with second fan (212) sealing connection and intercommunication.
2. a dust fall ventilation device for construction according to claim 1, wherein:
The dust fall mechanism (300) comprises a second water tank (301), a water pump (302), a first water pipe (303), an annular pipe (304), a nozzle (310), a first connecting barrel (305), a backflow pipeline (306) and a filter box (307);
The side face of the first water tank (208) is fixedly connected and communicated with the second water tank (301), the water pump (302) is arranged in the second water tank (301), the water outlet of the water pump (302) is fixedly connected and communicated with one end of the first water pipe (303), the first water pipe (303) penetrates through the side wall of the second water tank (301), the other end of the first water pipe (303) is fixedly connected and communicated with the annular pipe (304), and a plurality of nozzles (310) are uniformly arranged on the side face of the annular pipe (304) along the axial direction;
The annular pipe (304) is configured and arranged in the first connecting barrel (305), one end of the first connecting barrel (305) is connected with the first fan (211), the other end of the first connecting barrel (305) is in rotatable sealing connection with the second fan (212), the bottom of the first connecting barrel (305) is fixedly connected and communicated with one end of a backflow pipeline (306), the other end of the backflow pipeline (306) is fixedly connected and communicated with the top of the first water tank (208), and a filter box (307) is configured between the first water tank (208) and the second water tank (301) in a sealing manner.
3. a dust fall ventilation device for construction according to claim 1, wherein:
An output shaft of the motor (201) is in driving connection with the first bevel gear (202) through a transmission part (220), and the transmission part (220) comprises a first universal joint (221), a first square sleeve (222), a first square shaft (223) and a second universal joint (224);
the output shaft of the motor (201) is coaxially fixed with one end of the first universal joint (221), the other end of the first universal joint (221) is coaxially fixed with one end of the first square sleeve (222), the first square shaft (223) moving along the first square shaft is arranged in the first square sleeve (222), one end, away from the first square sleeve (222), of the first square shaft (223) is coaxially fixed with one end of the second universal joint (224), and the other end of the second universal joint (224) is coaxially fixed with the first bevel gear (202).
4. a dust fall ventilation device for construction according to claim 2, wherein:
The nozzle (310) comprises a threaded pipe (311), a nozzle pipeline (312), a diversion channel (313), a first nozzle (314) and a second nozzle (315);
The side of ring pipe (304) with the sealed threaded connection of one end of screwed pipe (311), the other end of screwed pipe (311) with the one end fixed connection and the intercommunication of nozzle pipeline (312), a plurality of reposition of redundant personnel passageway (313) have evenly been seted up along the axial to the internal surface of nozzle pipeline (312), a plurality of first spout (314) have been seted up to the one end that reposition of redundant personnel passageway (313) were kept away from screwed pipe (311), a plurality of second spouts (315) have evenly been seted up along its length direction to the side of reposition of redundant personnel passageway (313).
5. a dust fall ventilation device for construction according to claim 2, wherein:
The other end of the first connecting barrel (305) is connected with the first fan (211) through a mud scraping mechanism (400), and the mud scraping mechanism (400) comprises a first gear ring (401), a first gear (402), a second rotating shaft (403), a second gear (404), a second gear ring (405), a mud scraping plate (406), a mud baffle (407), a vent (408) and a second connecting barrel (409);
The outer surface of the first fan (211) is coaxially fixed with the first gear ring (401), the first gear ring (401) is meshed with the first gear (402), the first gear (402) is coaxially fixed with one end of the second rotating shaft (403), the second rotating shaft (403) is arranged on the mounting bracket (102) through a bearing, the other end of the second rotating shaft (403) is coaxially fixed with the second gear (404), the second gear (404) is meshed with the second gear ring (405), the second gear ring (405) is coaxially fixed with the outer surface of the second connecting barrel (409), one end of the second connecting barrel (409) is rotatably and hermetically connected with the first connecting barrel (305), and the other end of the second connecting barrel (409) is rotatably and hermetically connected with the first fan (211);
The inner surface of second connection bucket (409) is fixed with a plurality of scraper blade (406) along its axial evenly, scraper blade (406) with the inner surface overlap joint of first connection bucket (305), the inner surface of second connection bucket (409) with fender (407) coaxial fixed, evenly offered a plurality of on fender (407) vent (408), vent (408) will second connection bucket (409) with first fan (211) link up.
6. a dust fall ventilation device for construction according to claim 5, wherein:
the motor (201) is further driven with a swinging mechanism (500), and the swinging mechanism (500) comprises a worm (501), a fixed bracket (502), a turbine (503), a third rotating shaft (504), a cam (505) and a spring (506);
the output shaft of the motor (201) is coaxially fixed with the worm (501), the worm (501) is installed on the fixed support (502) through a bearing, the fixed support (502) is fixedly connected with the installation support (102), the worm (501) is meshed with the turbine (503), the turbine (503) is coaxially fixed with the middle part of the third rotating shaft (504), the third rotating shaft (504) is installed on the fixed support (502) through a bearing, two ends of the third rotating shaft (504) are respectively fixedly connected with the cam (505), and the side surface of the cam (505) is overlapped with the upper surface of the bottom plate (101);
The upper surface of bottom plate (101) with a plurality of the one end fixed connection of spring (506), a plurality of the other end of spring (506) with the bottom fixed connection of installing support (102), installing support (102) keep away from one side of spring (506) with the upper surface hinged joint of bottom plate (101).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197649.0A CN117753139B (en) | 2024-02-22 | 2024-02-22 | Dust fall ventilation unit for building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197649.0A CN117753139B (en) | 2024-02-22 | 2024-02-22 | Dust fall ventilation unit for building |
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| CN117753139A true CN117753139A (en) | 2024-03-26 |
| CN117753139B CN117753139B (en) | 2024-05-14 |
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| CN202410197649.0A Active CN117753139B (en) | 2024-02-22 | 2024-02-22 | Dust fall ventilation unit for building |
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| CN214345308U (en) * | 2020-12-14 | 2021-10-08 | 江苏从一家居股份有限公司 | Air purification system is used in timber processing |
| CN113577971A (en) * | 2021-09-01 | 2021-11-02 | 何贺贺 | Environment-friendly dust falling device for engineering construction |
| CN215462963U (en) * | 2021-06-22 | 2022-01-11 | 孙晓兵 | Dust device is used in construction protection |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1169187A (en) * | 1965-10-22 | 1969-10-29 | Wallace Murray Corp | Gas Treating Apparatus |
| CN205760318U (en) * | 2016-05-13 | 2016-12-07 | 湖南九九矿安装备有限公司 | The double fan blade wind spraying aid type spray for dust suppression machine air duct of a kind of unit |
| WO2019016774A1 (en) * | 2017-07-21 | 2019-01-24 | Tecnologys S.R.L. | A device for the abatement of polluting emissions from motor vehicles |
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| CN113577971A (en) * | 2021-09-01 | 2021-11-02 | 何贺贺 | Environment-friendly dust falling device for engineering construction |
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| Publication number | Publication date |
|---|---|
| CN117753139B (en) | 2024-05-14 |
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