CN115430239A - Dust falling device and dust falling method for public building construction - Google Patents
Dust falling device and dust falling method for public building construction Download PDFInfo
- Publication number
- CN115430239A CN115430239A CN202211054671.7A CN202211054671A CN115430239A CN 115430239 A CN115430239 A CN 115430239A CN 202211054671 A CN202211054671 A CN 202211054671A CN 115430239 A CN115430239 A CN 115430239A
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- Prior art keywords
- water
- atomizing
- dust
- storage tank
- water pump
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- 239000000428 dust Substances 0.000 title claims abstract description 31
- 238000009435 building construction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009692 water atomization Methods 0.000 abstract 1
- 239000000443 aerosol Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a dust-settling device for public building construction, which comprises a base plate, wherein a water tank is arranged on one side of the base plate, a water pump is arranged on the base plate on one side of the water tank, one end of the water pump is connected with a first water pipe, the first water pipe is inserted from the upper side of a water storage tank and is introduced into the bottom of the water storage tank, an electric lifting rod is rotatably arranged on the base plate on one side of the water pump, an atomizing barrel is movably arranged at the output end of the electric lifting rod, a fixing plate is arranged on the left side in a cavity of the atomizing barrel, an atomizing nozzle is connected on the fixing plate, a second water pipe is connected between the atomizing nozzle and the water pump, and a powerful fan is arranged on the right side in the cavity of the atomizing barrel. The water pump is taken the water in the water tank out to through atomizer with water atomization, the atomizing liquid drop blowout in the spray cylinder after powerful fan starts, utilize powerful fan's wind-force can be with atomizing liquid drop blowout to farther higher distance, effectively restrain the raise dust, thereby gain better dust fall effect.
Description
Technical Field
The invention belongs to the technical field of public buildings, and particularly relates to a dust falling device and method for public building construction.
Background
Can produce a large amount of dusts at public building's job site, not only the polluted environment but also can cause the harm to constructor's health, consequently, need carry out the dust fall to construction site and handle, in the prior art, seamless welding water tank on mobilizable platform, the bolt fastening is provided with the water pump on the platform of one side of water tank, the water pipe is used to the end of intaking of water pump inserts the water in the water tank and takes out the water in the water tank, the outlet end through the water pump sends into atomizer, fix atomizer on the lifter, and by atomizer with the liquid drop after the atomizing spout to aerial, the weak point that prior art exists: the water sprayed directly by the atomizing nozzle has small spraying force and narrow action range, can not perform dust fall treatment on dust in the air at a longer and higher distance, can not further inhibit the dust raising problem of a construction site, and has poor dust removal effect.
Dust falling device content
The invention aims to provide a dust falling device for public building construction, which aims to solve the problem that in the prior art, water sprayed directly after being atomized by an atomizing head has low spraying strength.
In order to achieve the purpose, the invention provides the following technical scheme: a dust-settling device for public building construction comprises a base plate, wherein a water storage tank is fixedly arranged on the left side of the upper surface of the base plate, a water pump is further arranged on the upper surface of the base plate on the right side of the water storage tank, the water inlet end of the water pump is connected with a first water pipe, and the first water pipe is inserted from the upper side of the water storage tank and is introduced into the bottom of the water storage tank;
an electric lifting rod is rotatably arranged on a bottom plate on the right side of the water pump, two clamping plates are welded at the top of the output end of the electric lifting rod, through holes are formed in the clamping plates, a rotating plate is movably connected between the two clamping plates, two bolts are fixedly connected to two sides of the rotating plate respectively and respectively penetrate through the through holes in the clamping plates correspondingly arranged to the bolts in a sliding mode, and nuts are in threaded connection with the end portions of the two bolts;
fixedly connected with spraying section of thick bamboo on the rotor plate, at the left side fixedly connected with fixed plate of spraying section of thick bamboo intracavity, the middle part of fixed plate is provided with the connecting hole, bonds with the resin waterproof glue in the connecting hole and has atomizer, and the left end welding of spraying section of thick bamboo has the filter screen, is connected with the second water pipe between atomizer and the water pump, the second water pipe is the PVC hose, and the right-hand member in spraying section of thick bamboo intracavity is fixed with powerful fan.
Preferably, the four corners of the lower portion of the bottom plate are respectively and fixedly provided with a support rod, the lower ends of the four support rods are respectively and fixedly connected with a connecting plate, the bottom side of the connecting plate is provided with universal wheels, and the left end of the bottom plate is fixedly provided with a handrail.
Preferably, a water filling port is arranged on the water storage tank, and a plug is inserted into the water filling port.
Preferably, the water storage tank is fixedly provided with a support, and the support is matched with the first water pipe.
Preferably, a bearing groove is formed in the right side of the bottom plate, a bearing is inserted in the bearing groove in an interference mode, a rotating shaft is inserted in an inner ring of the bearing in an interference mode, a rotating disc is connected to the rotating shaft, a rotating rod is arranged on one side of the rotating disc, and an electric lifting rod is fixedly connected to the rotating disc.
The invention also provides a dust-settling method for public building construction, which is implemented by adopting the dust-settling device for public building construction, and the method comprises the following steps:
and 3, starting a water pump and a powerful fan, pumping water in the water storage tank out by the water pump, conveying the water to an atomizing nozzle at the left end in the atomizing cylinder through a second water pipe for atomizing, and spraying atomized liquid drops into the air at a high speed by the powerful fan at the right end in the atomizing cylinder.
Compared with the prior art, the invention has the beneficial effects that: promote the handrail, can easily remove this dust device to the region that needs the dust fall under the effect of universal wheel, insert the power plug of water pump on the picture peg of peripheral hardware power, the water pump is taken out the water in the water tank, send to the atomising head through the second water pipe and atomize water, powerful fan starts, later the high-speed blowout of spraying in the powerful fan with the spray tube, powerful wind-force of powerful fan makes the spraying from the high-speed blowout in the spray tube, and then the spraying liquid drop that possesses high-speed initial velocity can reach higher distance far away in the air, and then can enlarge the dust removal scope, restrain the raise dust, and then gain better dust fall effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic front view of a dust settling device provided by the present invention;
fig. 2 is a front sectional schematic view of the dust settling device provided by the invention;
fig. 3 is a schematic right view of a dust settling device provided by the present invention;
fig. 4 is an enlarged schematic view of a in fig. 2.
In the figure: 1. a base plate; 2. a support bar; 3. a connecting plate; 4. a universal wheel; 5. a handrail; 6. a water storage tank; 7. a water injection port; 8. a plug; 9. a water pump; 10. a first water pipe; 11. a support; 12. a bearing groove; 13. a bearing; 14. a rotating shaft; 15. a turntable; 16. rotating the rod; 17. an electric lifting rod; 18. a splint; 19. a bolt; 20. rotating the plate; 21. a nut; 22. a spray cylinder; 23. a fixing plate; 24. atomizing spray heads, 25 and a filter screen; 26. a second water pipe; 27. a powerful fan.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The principles and features of the present invention will be described with reference to the accompanying fig. 1-4, which are given by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1 and 2, an embodiment of the invention provides a dust-settling device for public building construction, which comprises a bottom plate 1, wherein the bottom plate 1 is made of stainless steel, 1 supporting rod 2 is welded at each of four corners below the bottom plate 1, a connecting plate 3 is welded at each of the lower ends of the four supporting rods 2, universal wheels 4 are bolted at the lower sides of the connecting plates 3, wheels of the universal wheels 4 can move on the ground by rotating, a brake pedal on the universal wheels 4 is stepped down to prevent the wheels of the universal wheels from rotating and stopping on the ground, so as to limit the movement of the dust-settling device, a handrail 5 is welded at the left end of the bottom plate 1, the dust-settling device is pushed forwards through the handrail 5, a water storage tank 6 is welded at the left side on the bottom plate 1 in a seamless manner, the water storage tank 6 is used for storing water required for spraying, a water filling port 7 is formed in the water storage tank 6 and used for adding water into the water tank 7, a plug 8 is slidably inserted in the water filling port 6 and inserted into the water filling port 6 to prevent shaking and spill water, a water pump 9 is bolted on the bottom plate 1 at the right side of the water storage tank 6, a water storage tank is inserted into a water pipe 10, a water storage tank 10 for supporting a common water pipe 10, and a water storage tank 10 for supporting a water pump is inserted into a water storage tank 10, and a water storage tank 10 for supporting socket 10 for supporting a common water storage tank 10, which is inserted and a water pipe 10 for supporting water storage tank 10 for supporting a water pipe 10 for supporting a water storage tank 10, which is inserted in an interference manner, and a water storage tank 10 for supporting plug for supporting socket for supporting a water storage tank 10, which is inserted into the common water storage tank 6 for supporting water storage tank.
As shown in fig. 1, 2, 3 and 4, a bearing groove 12 is formed on the right side of a bottom plate 1, a bearing 13 is inserted into the bearing groove 12 in an interference manner, a rotating shaft 14 is inserted into an inner ring of the bearing 13 in an interference manner, a rotating shaft 15 is connected onto the rotating shaft 14, the rotating shaft 14 is fixedly connected with the rotating plate 15, a rotating rod 16 is welded on one side of the rotating plate 15, the rotating plate 15 can rotate by manually operating the rotating rod 16, the rotating plate 15 can change the spraying direction by rotating the rotating rod 16, an electric lifting rod 17 is fixed on the upper surface of the rotating plate 15 by bolts, the model of the electric lifting rod 17 is TJC-C4-L2-P, the power input end of the electric lifting rod 17 is connected with the power output end of an electric lifting rod controller, the cable connecting plug for the power input end of electric lifter controller, the power picture peg of peripheral hardware power is inserted to the plug, and electric lifter 17 can change the height when using, and the top welding of electric lifter 17 output has two splint 18, has all seted up the through-hole on the splint 18, and swing joint has commentaries on classics board 20 between two splint 18, change the both sides of board 20 respectively bolt 19 of fixedly connected with, two bolt 19 slide respectively and pass rather than correspond the through-hole on the splint 18 that sets up, and the tip of two bolt 19 all is provided with nut 21, screws up nut 21 and can make bolt 19 fixed can not rotate, and it can free rotation to unscrew nut 21 bolt 19, and then the angle of adjustable commentaries on classics board 20. An atomizing pipe 22 is welded on the rotating plate 20, a fixing plate 23 is welded on the left side in the cavity of the atomizing pipe 22, a connecting hole is formed in the middle of the fixing plate 23, an atomizing nozzle 24 is bonded in the connecting hole through resin waterproof glue, a filter screen 25 is welded at the left end of the atomizing pipe 22, the filter screen 25 is 80 meshes in filter number, the filter screen 25 filters impurities in the air, a second water pipe 26 is sleeved at the water inlet end of the atomizing nozzle 24 in an interference fit mode, the second water pipe 26 is a PVC (polyvinyl chloride) hose, the other end of the second water pipe 26 penetrates through the filter screen 25 to be sleeved at the water outlet end of the water pump 9 in an interference fit mode, the atomizing nozzle 24 atomizes water pumped out of the water pump 9, a powerful fan 27 is fixed at the right end in the cavity of the atomizing pipe 22, the model of the powerful fan 27 is LFI-13S, the power supply input end of the powerful fan 27 is connected with the power supply output end of a button switch through a cable, the power supply input end of the button switch is connected with a power supply through a cable, the powerful fan 27 blows out atomized water, and the atomized water is sprayed farther.
The working principle of the embodiment is as follows: during the use, promote handrail 5 and push this dust device to the dust fall region, step on the brake pedal on universal wheel 4 and make it fixed difficult for moving, open water pump 9, water pump 9 takes out the water in storage water tank 6 and sends atomizing shower nozzle 24 of the interior left end of aerosol canister 22 to atomize through second water pipe 26, the powerful fan 27 that is located the interior right-hand member of aerosol canister 22 sprays the liquid drop after the atomizing to aloft at a high speed, adjust the height of aerosol canister 22 through electric lift bar 17, adjust the spray angle of aerosol canister 22 through rotor plate 20, make pivot 14 below carousel 15 rotate the direction of spraying of adjusting aerosol canister 22 in bearing 13 through dwang 16.
Example 2
The embodiment provides a dust suppression method for public building construction, which is implemented by adopting the dust suppression device for public building construction provided by the embodiment 1, and the method comprises the following steps:
and 3, starting the water pump 9 and the powerful fan 27, pumping water in the water storage tank 6 out by the water pump 9, sending the water to the atomizing nozzle 24 at the left end in the atomizing cylinder 22 through the second water pipe 26 for atomizing, and spraying the atomized liquid drops into the air at high speed by the powerful fan 27 at the right end in the atomizing cylinder 22.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Those not described in detail in this specification are within the skill of the art.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention in any way; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a dust device for public building construction which characterized in that: the water storage tank comprises a bottom plate (1), wherein a water storage tank (6) is fixedly arranged on the left side of the upper surface of the bottom plate (1), a water pump (9) is further arranged on the upper surface of the bottom plate (1) on the right side of the water storage tank (6), the water inlet end of the water pump (9) is connected with a first water pipe (10), and the first water pipe (10) is inserted from the upper side of the water storage tank (6) and is introduced into the bottom of the water storage tank (6);
an electric lifting rod (17) is rotatably arranged on the bottom plate (1) on the right side of the water pump (9), two clamping plates (18) are welded at the top of the output end of the electric lifting rod (17), through holes are formed in the clamping plates (18), a rotating plate (20) is movably connected between the two clamping plates (18), two bolts (19) are fixedly connected to two sides of the rotating plate (20) respectively, the bolts (19) respectively slide through the through holes in the clamping plates (18) correspondingly arranged to the bolts, and nuts (21) are in threaded connection with the end parts of the two bolts (19);
an atomizing cylinder (22) is fixedly connected to the rotating plate (20), a fixing plate (23) is fixedly connected to the left side in the cavity of the atomizing cylinder (22), a connecting hole is formed in the middle of the fixing plate (23), an atomizing nozzle (24) is bonded in the connecting hole through resin waterproof glue, a filter screen (25) is welded at the left end of the atomizing cylinder (22), a second water pipe (26) is connected between the atomizing nozzle (24) and the water pump (9), and the second water pipe (26) is a PVC hose;
and a powerful fan (27) is fixed at the right end in the cavity of the spray cylinder (22).
2. The dust falling device for public building construction according to claim 1, characterized in that: the lower four corners of the bottom plate (1) are respectively and fixedly provided with a support rod (2), the lower ends of the four support rods (2) are fixedly connected with a connecting plate (3), universal wheels (4) are arranged on the bottom side of the connecting plate (3), and a handrail (5) is fixedly arranged at the left end of the bottom plate (1).
3. The dust falling device for public building construction of claim 2, characterized in that: the water storage tank (6) is provided with a water filling port (7), and a plug (8) is inserted into the water filling port (7).
4. The dust falling device for public building construction according to claim 3, characterized in that: a support (11) is fixedly arranged on the water storage tank (6), and the support (11) is matched with the first water pipe (10).
5. The dust falling device for public building construction according to claim 1, characterized in that: the right side is equipped with bearing groove (12) on bottom plate (1), interference is inserted in bearing groove (12) and is equipped with bearing (13), the inner circle interference of bearing (13) is inserted and is equipped with pivot (14), be connected with carousel (15) on pivot (14), one side of carousel (15) is provided with dwang (16) fixedly connected with is gone up in carousel (15) electric lift pole (17).
6. A dust-settling method for public building construction, which is implemented by using the dust-settling device for public building construction of claim 4, and which comprises the following steps:
step 1, pushing a handrail (5) to push the dust-settling device to a dust-settling area, and treading down a brake pedal on a universal wheel (4), wherein the brake pedal is fixed and is not easy to move;
step 2, adjusting the height of the spraying cylinder (22) through the electric lifting rod (17), adjusting the spraying angle of the spraying cylinder (22) through the rotating plate (20), and adjusting the spraying direction of the spraying cylinder (22) through the rotating rod (16);
and 3, starting a water pump (9) and a powerful fan (27), pumping water in the water storage tank (6) by the water pump (9), delivering the water to an atomizing nozzle (24) at the left end in the atomizing cylinder (22) through a second water pipe (26) for atomizing, and spraying the atomized liquid drops into the air at a high speed by the powerful fan (27) at the right end in the atomizing cylinder (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054671.7A CN115430239A (en) | 2022-08-31 | 2022-08-31 | Dust falling device and dust falling method for public building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054671.7A CN115430239A (en) | 2022-08-31 | 2022-08-31 | Dust falling device and dust falling method for public building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115430239A true CN115430239A (en) | 2022-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211054671.7A Pending CN115430239A (en) | 2022-08-31 | 2022-08-31 | Dust falling device and dust falling method for public building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115430239A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209838469U (en) * | 2019-04-22 | 2019-12-24 | 王振浩 | Fog gun machine that dust fall is effectual that tunnel was used |
| CN210045000U (en) * | 2019-04-11 | 2020-02-11 | 魏芳 | Dust removal spray set for construction safety engineering |
| CN212091441U (en) * | 2020-01-14 | 2020-12-08 | 袁然 | On-spot dust collector for construction |
| CN213314028U (en) * | 2020-08-25 | 2021-06-01 | 乐陵市俊林建材有限公司 | Dust fall spray set for construction |
| CN213492698U (en) * | 2020-08-12 | 2021-06-22 | 杜丽 | Building construction working face sprays dust fall heat sink |
| CN213556150U (en) * | 2020-10-16 | 2021-06-29 | 周娜娜 | Dust device is used in highway construction |
| CN214415918U (en) * | 2020-11-23 | 2021-10-19 | 中国建筑第二工程局有限公司 | Dustproof device for building construction |
| CN214552131U (en) * | 2021-03-18 | 2021-11-02 | 鹏盛建设集团有限公司 | Job site is with quick dust device on a large scale |
| CN216935275U (en) * | 2022-03-24 | 2022-07-12 | 广东新华建工程有限公司 | Dust device for construction site |
| CN114904347A (en) * | 2022-05-24 | 2022-08-16 | 安徽风顺建设工程有限公司 | Dust fall equipment is used in building engineering construction |
-
2022
- 2022-08-31 CN CN202211054671.7A patent/CN115430239A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210045000U (en) * | 2019-04-11 | 2020-02-11 | 魏芳 | Dust removal spray set for construction safety engineering |
| CN209838469U (en) * | 2019-04-22 | 2019-12-24 | 王振浩 | Fog gun machine that dust fall is effectual that tunnel was used |
| CN212091441U (en) * | 2020-01-14 | 2020-12-08 | 袁然 | On-spot dust collector for construction |
| CN213492698U (en) * | 2020-08-12 | 2021-06-22 | 杜丽 | Building construction working face sprays dust fall heat sink |
| CN213314028U (en) * | 2020-08-25 | 2021-06-01 | 乐陵市俊林建材有限公司 | Dust fall spray set for construction |
| CN213556150U (en) * | 2020-10-16 | 2021-06-29 | 周娜娜 | Dust device is used in highway construction |
| CN214415918U (en) * | 2020-11-23 | 2021-10-19 | 中国建筑第二工程局有限公司 | Dustproof device for building construction |
| CN214552131U (en) * | 2021-03-18 | 2021-11-02 | 鹏盛建设集团有限公司 | Job site is with quick dust device on a large scale |
| CN216935275U (en) * | 2022-03-24 | 2022-07-12 | 广东新华建工程有限公司 | Dust device for construction site |
| CN114904347A (en) * | 2022-05-24 | 2022-08-16 | 安徽风顺建设工程有限公司 | Dust fall equipment is used in building engineering construction |
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Application publication date: 20221206 |
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| RJ01 | Rejection of invention patent application after publication |