CN116335073A - Building dust cleaning equipment - Google Patents
Building dust cleaning equipment Download PDFInfo
- Publication number
- CN116335073A CN116335073A CN202310419287.0A CN202310419287A CN116335073A CN 116335073 A CN116335073 A CN 116335073A CN 202310419287 A CN202310419287 A CN 202310419287A CN 116335073 A CN116335073 A CN 116335073A
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- Prior art keywords
- dust
- cleaning
- cover
- assembly
- inclined guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 title claims abstract description 68
- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Brushes (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of building dust cleaning, in particular to building dust cleaning equipment which comprises a main frame, a centrifugal air pump and a driving motor. According to the building dust cleaning equipment, a double-cavity structural design is adopted, dust dumping can be carried out under the condition that normal cleaning is not affected, and the operation efficiency is improved; the bottom-mounted adsorption cover with the telescopic structure and the centrifugal cleaning brush inside the adsorption cover can be used for bonding according to the ground height, so that the application range is improved; meanwhile, the cleaning effect can be improved by increasing the downward pressure, and meanwhile, the dust can be quickly pumped away during cleaning, so that the cleaning effect is more excellent; the centrifugal cleaning hairbrush can automatically adjust the cleaning range through the rotating speed, so that the operation control is more convenient, and meanwhile, the detachable structural design is adopted, so that the later use cost is greatly reduced; by adopting the built-in material guiding design, the dust in the dumping process can be prevented from overflowing, and the safety is greatly improved.
Description
Technical Field
The invention relates to the technical field of building dust cleaning, in particular to building dust cleaning equipment.
Background
Building dust is a solid particulate that forms during construction at a worksite and that can float in air for a long period of time. In the construction process of sand blasting, cement use and the like, a large amount of cement dust is often contacted, and if protection is not noticed, the cement dust is harmful to human bodies. In order to improve the security in the building construction process, need in time clear up the dust, traditional clearance mode only simply adopts the manual work to spray the ground after clean, not only wastes time and energy, cleans the process and emptys the in-process and still can produce a large amount of raise dust moreover, pollutes surrounding air and environment, causes very big harm to operating personnel's health.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems in the prior art, an improved building dust cleaning device is provided, and the problems that the traditional method for cleaning building dust is time-consuming and labor-consuming, a large amount of dust can still be generated in the cleaning process and the dumping process, surrounding air and environment are polluted, and great harm is caused to human health of operators are solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a building dust cleaning equipment, includes main frame, centrifugal aspiration pump and driving motor, main frame upper surface fixed mounting be equipped with overhead dust collecting hood and with the main containing box that overhead dust collecting hood is linked together, overhead dust collecting hood lateral surface upper end fixed mounting has the inclined guide tube, the inside slip grafting of inclined guide tube lower extreme opening has surface mounting driving motor's the flexible pipe of automatically controlled, the flexible pipe bottom fixed mounting of automatically controlled is equipped with the bottom and is put the absorption cover, the inside movable assembly of bottom is by driving motor controlled centrifugal cleaning brush of absorption cover, centrifugal aspiration pump passes through top housing fixed mounting on overhead dust collecting hood internal top surface, fixed mounting has the inside passage of inclined between overhead dust collecting hood and the main containing box, the inside passage internal activity of inclined is equipped with automatically controlled conveying hob.
The inclined guide tube is characterized in that a strip-shaped guide opening is formed in the inclined surface at the upper end of the inclined guide tube, and the inclined surface at the upper end of the inclined guide tube is positioned at two sides of the strip-shaped guide opening and is provided with an integrated structure assembly seat protruding outwards.
The electric control type telescopic pipe comprises a transverse adjusting screw rod movably inserted in the assembly seat, an external adjusting motor fixed on the outer side face of the inclined guide pipe, an internal telescopic pipe inserted in the inclined guide pipe and an internal thread translation seat fixed on the outer side face of the internal telescopic pipe.
The centrifugal cleaning brush comprises an upper assembly disc, an annular upper driving groove and a detachable cleaning brush, wherein the upper assembly disc is movably inserted into the upper assembly disc, the annular upper driving groove is formed in the upper end of the upper assembly disc, and the detachable cleaning brush is elastically arranged at the lower end of the upper assembly disc.
The driving motor is fixedly connected with the inclined surface at the upper end of the inclined guide tube through being inserted into the assembly seat, a bottom driving shaft is axially arranged on a driving shaft at the lower end of the driving motor, and an inner driving gear meshed with the annular upper driving groove is axially fixed at the bottom end of the bottom driving shaft.
The inner top surface of the bottom-placed adsorption cover is provided with an inner dust extraction hole communicated with the interiors of the upper dust collection cover, the inclined guide pipe and the inner telescopic pipe.
The inner bottom surface of the upper dust collection cover is provided with an inclined guide bottom surface, and an arc-shaped guide groove matched with the electric control conveying screw rod is formed in the inner bottom surface of the inclined guide bottom surface.
The electric control material conveying screw rod comprises a top assembly cover fixed between the inner top surface of the main storage box and the upper surface of the inclined inner material guide pipe, a built-in control motor fixed inside the top assembly cover, a screw blade shaft movably assembled inside the inclined inner material guide pipe and a transmission gear set connected between the built-in control motor and the screw blade shaft in a transmission manner.
The lower end of the upper assembly plate is provided with a plurality of strip-shaped sliding grooves with built-in extrusion springs, and the inside of each strip-shaped sliding groove is slidably provided with an internal adjusting sliding block for installing a detachable cleaning brush.
The beneficial effects of the invention are as follows:
(1) According to the building dust cleaning equipment, a double-cavity structural design is adopted, dust dumping can be carried out under the condition that normal cleaning is not affected, and the operation efficiency is improved;
(2) The bottom-mounted adsorption cover with the telescopic structure and the centrifugal cleaning brush inside the adsorption cover can be used for bonding according to the ground height, so that the application range is improved;
(3) Meanwhile, the cleaning effect can be improved by increasing the downward pressure, and meanwhile, the dust can be quickly pumped away during cleaning, so that the cleaning effect is more excellent;
(4) The centrifugal cleaning hairbrush can automatically adjust the cleaning range through the rotating speed, so that the operation control is more convenient, and meanwhile, the detachable structural design is adopted, so that the later use cost is greatly reduced;
(5) By adopting the built-in material guiding design, the dust in the dumping process can be prevented from overflowing, and the safety is greatly improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the upper dust hood and the main housing box according to the present invention.
Fig. 3 is a schematic view of the internal structure of the assembly end of the electronically controlled telescopic tube according to the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a building dust cleaning equipment that fig. 1, fig. 2 and fig. 3 show, including main frame 1, centrifugal aspiration pump 2 and driving motor 3, main frame 1 upper surface fixed mounting is equipped with overhead dust collecting hood 4 and is linked together with overhead dust collecting hood 4's main containing box 5, overhead dust collecting hood 4 lateral surface upper end fixed mounting has the inclined guide tube 55, the inside slip grafting of inclined guide tube 55 lower extreme opening has the automatically controlled flexible pipe of surface mounting driving motor 3, automatically controlled flexible pipe bottom fixed mounting has bottom formula absorption cover 6, the inside movable assembly of bottom formula absorption cover 6 is by driving motor 3 controlled centrifugal clearance brush, centrifugal aspiration pump 2 is through top housing fixed mounting on overhead dust collecting hood 4 internal top surface, fixed mounting has the inside guide tube 7 of inclined between overhead dust collecting hood 4 and the main containing box 5, the inside movable assembly of inclined inside guide tube 7 has automatically controlled conveying hob.
The centrifugal air pump 2 and the driving motor 3 are both in the prior art, the centrifugal air pump 2 is used for sucking air from the opening at the lower end of the bottom-mounted adsorption cover 6, then sucking air into the upper dust collection cover 4 through the inclined guide pipe 55, and then guiding dust in the upper dust collection cover 4 into the main storage box 5 by utilizing the electric control conveying screw rod.
In order to match with external assembly and guiding, a strip-shaped guiding opening is formed on the inclined surface at the upper end of the inclined guiding tube 55, and the inclined surface at the upper end of the inclined guiding tube 55 is provided with an integrated structure assembly seat protruding outwards at two sides of the strip-shaped guiding opening.
For matching with external screw thread adjustment, the electric control type telescopic tube comprises a transverse adjusting screw rod 8 movably inserted in the assembly seat, an external adjusting motor 9 fixed on the outer side surface of the inclined guide tube 55, an internal telescopic tube 10 inserted in the inclined guide tube 55 and an internal screw thread translation seat 11 fixed on the outer side surface of the internal telescopic tube 10.
Wherein the external adjusting motor 9 is in the prior art, and the internal thread translation seat 11 is driven to translate in the strip-shaped guide opening by controlling the transverse adjusting screw rod 8 to rotate, so that the telescopic adjustment of the internal telescopic tube 10 is controlled.
For the cooperation internal assembly, the inner arc surface of the bottom-mounted adsorption cover 6 is provided with an integral structure internal assembly frame 13, and the centrifugal cleaning brush comprises an upper assembly disc 14 with the upper end movably inserted in the internal assembly frame 13, an annular upper driving groove 15 arranged at the upper end of the upper assembly disc 14 and a detachable cleaning brush 16 with elasticity at the lower end of the upper assembly disc 14.
For the cooperation of internal drive, driving motor 3 is fixed connection through inserting inside the mount pad and the inclined guide tube 55 upper end inclined plane, installs the bottom side drive shaft axially on the drive shaft of driving motor 3 lower extreme, and bottom side drive shaft bottom axial fixity has the inside drive gear 17 that meshes with annular overhead drive slot 15.
In order to match the top material extraction, the inner top surface of the bottom adsorption cover 6 is provided with an inner dust extraction hole communicated with the upper dust collection cover 4, the inclined guide pipe 55 and the inner telescopic pipe 10.
In order to improve the low-level material guiding efficiency, the inner bottom surface of the upper dust collecting cover 4 is provided with an inclined material guiding bottom surface, and an arc-shaped material guiding groove matched with the electric control material conveying screw rod is arranged on the inner bottom surface of the inclined material guiding bottom surface.
In order to cooperate with the internal guide control, the electric control feeding screw comprises a top assembly cover 19 fixed between the inner top surface of the main storage box 5 and the upper surface of the inclined internal guide pipe 7, a built-in control motor 20 fixed inside the top assembly cover 19, a screw blade shaft 21 movably assembled inside the inclined internal guide pipe 7, and a transmission gear set 22 connected between the built-in control motor 20 and the screw blade shaft 21 in a transmission manner.
Wherein the built-in control motor 20 is in the prior art, and drives the helical blade shaft 21 to rotate through the transmission gear set 22. The driving gear set 22 is two gears meshed with each other, and is respectively installed at the bottom end of the control shaft at the lower end of the built-in control motor 20 and the top end of the helical blade shaft 21.
An upper discharge hole is formed above the inclined surface of the lower end of the inclined inner material guide pipe 7, a detachable material collecting barrel is arranged in the main storage box 5, an upper material guide hole of an elastic non-return cover plate is formed at the position of the upper end of the detachable material collecting barrel, corresponding to the upper material discharge hole, dust is poured into the upper material guide hole from the upper material discharge hole, and enters the detachable material collecting barrel through the elastic non-return cover plate in an extrusion mode, so that dust is prevented from being pumped into the inclined inner material guide pipe 7 again.
In order to match with elastic reset and centrifugal adjustment, the lower end of the upper assembly plate 14 is provided with 2 strip-shaped sliding grooves 24 with built-in extrusion springs 23, and the inside of the strip-shaped sliding grooves 24 is slidably provided with an internal adjusting sliding block 25 for installing the detachable cleaning brush 16.
Under normal conditions, the internal adjusting slide block 25 is extruded inwards through the extrusion spring 23, and centrifugal acting force generated when the upper assembly disk 14 starts to rotate extrudes the internal adjusting slide block 25 outwards, so that the detachable cleaning brush 16 is controlled to translate outwards, and the cleaning radius is improved.
The detachable cleaning brush 16 is fixedly mounted at the bottom of the internal adjusting slider 25 by bolts.
According to the building dust cleaning equipment, a double-cavity structural design is adopted, dust dumping can be carried out under the condition that normal cleaning is not affected, and the operation efficiency is improved; the bottom-mounted adsorption cover 6 with a telescopic structure and the centrifugal cleaning brush inside the adsorption cover can be used for bonding according to the ground height, so that the application range is improved; meanwhile, the cleaning effect can be improved by increasing the downward pressure, and meanwhile, the dust can be quickly pumped away during cleaning, so that the cleaning effect is more excellent; the centrifugal cleaning hairbrush can automatically adjust the cleaning range through the rotating speed, so that the operation control is more convenient, and meanwhile, the detachable structural design is adopted, so that the later use cost is greatly reduced; by adopting the built-in material guiding design, the dust in the dumping process can be prevented from overflowing, and the safety is greatly improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The utility model provides a building dust cleaning equipment, includes main frame (1), centrifugal aspiration pump (2) and driving motor (3), characterized by: the automatic dust collection device is characterized in that an upper dust collection cover (4) and a main storage box (5) communicated with the upper dust collection cover (4) are fixedly arranged on the upper surface of the main frame (1), an inclined guide pipe (55) is fixedly arranged at the upper end of the outer side face of the upper dust collection cover (4), an electric control telescopic pipe of a surface-mounted driving motor (3) is slidingly inserted into an opening at the lower end of the inclined guide pipe (55), a bottom-mounted adsorption cover (6) is fixedly arranged at the bottom of the electric control telescopic pipe, a centrifugal cleaning brush controlled by the driving motor (3) is movably arranged in the bottom-mounted adsorption cover (6), the centrifugal air suction pump (2) is fixedly arranged on the inner top face of the upper dust collection cover (4) through a top cover shell, an inclined inner guide pipe (7) is fixedly arranged between the upper dust collection cover (4) and the main storage box (5), and an electric control conveying screw rod is movably arranged in the inclined inner guide pipe (7).
2. A construction dust cleaning apparatus according to claim 1, characterized in that: the inclined guide tube (55) is characterized in that a strip-shaped guide opening is formed in the inclined surface at the upper end of the inclined guide tube (55), and the inclined surface at the upper end of the inclined guide tube (55) is positioned at two sides of the strip-shaped guide opening and provided with an outwards-protruding integrated structure assembly seat.
3. A construction dust cleaning apparatus according to claim 2, characterized in that: the electric control type telescopic tube comprises a transverse adjusting screw rod (8) movably inserted in the assembly seat, an external adjusting motor (9) fixed on the outer side face of the inclined guide tube (55), an internal telescopic tube (10) inserted in the inclined guide tube (55) and an internal thread translation seat (11) fixed on the outer side face of the internal telescopic tube (10).
4. A construction dust cleaning apparatus according to claim 2, characterized in that: the centrifugal cleaning brush comprises an upper assembly disc (14) movably inserted into the inner assembly frame (13), an annular upper driving groove (15) formed in the upper end of the upper assembly disc (14) and a detachable cleaning brush (16) elastically arranged at the lower end of the upper assembly disc (14).
5. The building dust cleaning apparatus as set forth in claim 4, wherein: the driving motor (3) is fixedly connected with the inclined surface at the upper end of the inclined guide tube (55) through being inserted into the assembly seat, a bottom side driving shaft is axially arranged on the driving shaft at the lower end of the driving motor (3), and an inner driving gear (17) meshed with the annular upper driving groove (15) is axially fixed at the bottom end of the bottom side driving shaft.
6. A construction dust cleaning apparatus according to claim 1, characterized in that: an inner dust extraction hole communicated with the interiors of the upper dust collection cover (4), the inclined guide pipe (55) and the inner telescopic pipe (10) is formed in the inner top surface of the bottom-mounted adsorption cover (6).
7. A construction dust cleaning apparatus according to claim 1, characterized in that: the inner bottom surface of the upper dust collection cover (4) is provided with an inclined guide bottom surface, and an arc-shaped guide groove matched with the electric control conveying screw rod is formed in the inner bottom surface of the inclined guide bottom surface.
8. A construction dust cleaning apparatus according to claim 1, characterized in that: the electric control material conveying screw rod comprises a top assembly cover (19) fixed between the inner top surface of the main storage box (5) and the upper surface of the inclined inner material guide pipe (7), a built-in control motor (20) fixed inside the top assembly cover (19), a screw blade shaft (21) movably assembled inside the inclined inner material guide pipe (7) and a transmission gear set (22) connected between the built-in control motor (20) and the screw blade shaft (21) in a transmission manner.
9. A construction dust cleaning apparatus according to claim 1, characterized in that: the lower end of the upper assembly plate (14) is provided with a plurality of strip-shaped sliding grooves (24) internally provided with extrusion springs (23), and the inner parts of the strip-shaped sliding grooves (24) are slidably provided with inner adjusting sliding blocks (25) for installing the detachable cleaning hairbrushes (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310419287.0A CN116335073B (en) | 2023-04-17 | 2023-04-17 | Building dust cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310419287.0A CN116335073B (en) | 2023-04-17 | 2023-04-17 | Building dust cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116335073A true CN116335073A (en) | 2023-06-27 |
| CN116335073B CN116335073B (en) | 2023-11-03 |
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ID=86885866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310419287.0A Active CN116335073B (en) | 2023-04-17 | 2023-04-17 | Building dust cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116335073B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120059A (en) * | 2005-10-26 | 2007-05-17 | Hokusei Hatakeyama Kogyo Kk | Sweeper unit |
| KR20170094942A (en) * | 2016-02-12 | 2017-08-22 | 조선대학교산학협력단 | A vacuum cleaning car |
| CN206736825U (en) * | 2017-05-27 | 2017-12-12 | 河南新友工程机械有限公司 | A kind of building waste sweeper |
| CN107630541A (en) * | 2017-10-30 | 2018-01-26 | 深圳市晟腾企业管理有限公司 | A kind of ground deashing device with collecting function |
| CN208810731U (en) * | 2018-05-25 | 2019-05-03 | 宁夏衡昌建设工程有限公司 | A kind of construction site dust treatment device |
| CN209405882U (en) * | 2019-01-03 | 2019-09-20 | 衢州市逸宏建材有限公司 | Fume recovery system is used in a kind of production of viscose glue mud |
| CN110974095A (en) * | 2019-11-29 | 2020-04-10 | 中吴建筑设计工程(常州)有限公司 | Wall body environmental protection ornamental material surface floating dust cleaning device |
| CN211025656U (en) * | 2019-11-08 | 2020-07-17 | 葛连臣 | Anhydrous raise dust processing apparatus for building engineering |
| CN212359197U (en) * | 2020-04-03 | 2021-01-15 | 山东福莱特无人机制造有限公司 | Special non-planar glass cleaning mechanical brush for unmanned aerial vehicle |
| KR102217927B1 (en) * | 2019-11-15 | 2021-02-22 | 김병경 | Multi-Purpose Mop Brush Vacuum Cleaner |
| CN113522801A (en) * | 2020-04-20 | 2021-10-22 | 张顺禄 | Positioning device with moving function for processing building board |
-
2023
- 2023-04-17 CN CN202310419287.0A patent/CN116335073B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120059A (en) * | 2005-10-26 | 2007-05-17 | Hokusei Hatakeyama Kogyo Kk | Sweeper unit |
| KR20170094942A (en) * | 2016-02-12 | 2017-08-22 | 조선대학교산학협력단 | A vacuum cleaning car |
| CN206736825U (en) * | 2017-05-27 | 2017-12-12 | 河南新友工程机械有限公司 | A kind of building waste sweeper |
| CN107630541A (en) * | 2017-10-30 | 2018-01-26 | 深圳市晟腾企业管理有限公司 | A kind of ground deashing device with collecting function |
| CN208810731U (en) * | 2018-05-25 | 2019-05-03 | 宁夏衡昌建设工程有限公司 | A kind of construction site dust treatment device |
| CN209405882U (en) * | 2019-01-03 | 2019-09-20 | 衢州市逸宏建材有限公司 | Fume recovery system is used in a kind of production of viscose glue mud |
| CN211025656U (en) * | 2019-11-08 | 2020-07-17 | 葛连臣 | Anhydrous raise dust processing apparatus for building engineering |
| KR102217927B1 (en) * | 2019-11-15 | 2021-02-22 | 김병경 | Multi-Purpose Mop Brush Vacuum Cleaner |
| CN110974095A (en) * | 2019-11-29 | 2020-04-10 | 中吴建筑设计工程(常州)有限公司 | Wall body environmental protection ornamental material surface floating dust cleaning device |
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| CN113522801A (en) * | 2020-04-20 | 2021-10-22 | 张顺禄 | Positioning device with moving function for processing building board |
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| Publication number | Publication date |
|---|---|
| CN116335073B (en) | 2023-11-03 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A construction dust cleaning equipment Granted publication date: 20231103 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Fusheng sub branch Pledgor: Shaoxing Tianshun Environmental Construction Co.,Ltd. Registration number: Y2024980019575 |
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