CN108852144A - A kind of automatic cleaning equipment and cleaning method for glass curtain wall - Google Patents
A kind of automatic cleaning equipment and cleaning method for glass curtain wall Download PDFInfo
- Publication number
- CN108852144A CN108852144A CN201810645318.3A CN201810645318A CN108852144A CN 108852144 A CN108852144 A CN 108852144A CN 201810645318 A CN201810645318 A CN 201810645318A CN 108852144 A CN108852144 A CN 108852144A
- Authority
- CN
- China
- Prior art keywords
- chassis
- scraper
- curtain wall
- cleaning agent
- atomizing nozzle
- Prior art date
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- 239000011521 glass Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000012459 cleaning agent Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 40
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000001095 motoneuron effect Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/02—Power-driven machines or devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/38—Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/002—Arrangements for cleaning building facades
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The present invention provides a kind of automatic cleaning equipment and cleaning method for glass curtain wall comprising water aspirator, cleaning agent water tank, atomizer, round brush, round brush rotating mechanism, chassis and scraper.Water aspirator is placed on the top on chassis, and cleaning agent water tank is connect by water pipe with atomizer, and round brush is connect by round brush rotating mechanism with driving motor.When cleaning glass curtain wall, atomizer sprays to the surface of round brush after being atomized cleaning agent, round brush rotating mechanism controls round brush rotation under the action of driving motor, cleaning agent after atomization is applied to curtain wall during rotation and cleaned by round brush, scraper is fixed on the rear portion on chassis to strike off extra sewage, and water aspirator is for recycling the sewage that scraper is struck off.Compared with the prior art, glass curtain wall cleaning program of the invention integrates spray, inhales, scrapes, high-efficient, cleaning effect is good, and uses ultrasonic fog spray technique, can save water resource, reduces power consumption and mechanism weight.
Description
Technical Field
The invention relates to the technical field of automatic cleaning, in particular to automatic cleaning equipment and a cleaning method for a glass curtain wall.
Background
In the prior art, along with the improvement of building technology, the glass curtain wall is widely applied to high-rise buildings due to the advantages of lightness, attractiveness, convenience in installation, simplicity and convenience in maintenance and the like. For example, skyscrapers, for aesthetic reasons, often use full-surface glass curtain walls to gradually replace traditional exterior walls. Meanwhile, the glass curtain wall is easy to be dusted and dirty, and the glass curtain wall is required to be cleaned regularly in order to keep the glass curtain wall smooth and bright. Currently, most glass curtain walls are cleaned slowly in a one-person-one-rope mode, and the method is low in efficiency, high in cost and high in risk. Therefore, special robots for cleaning glass curtain walls are in successive markets, but most of the existing commercial robots are cleaned by cotton cloth, and the cotton cloth needs to be frequently replaced. Especially, the cleaning effect of the glass curtain wall stuck with big dust is very poor, and in addition, the personal danger is aggravated by frequently replacing cotton cloth during the high-altitude cleaning operation, and the working efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides automatic cleaning equipment and a cleaning method for a glass curtain wall.
According to one aspect of the invention, an automatic cleaning device for a glass curtain wall is provided, which comprises a water absorber, a cleaning agent water tank, an atomizing nozzle, a rolling brush rotating mechanism, a base plate and a scraper,
wherein, the top on the chassis is placed to the water absorber, the cleaner water tank leads to pipe and is connected with atomizing nozzle, the round brush is placed in the front below on chassis, be connected with driving motor through round brush slewing mechanism, driving motor places in the top on chassis and is located between cleaner water tank and the round brush slewing mechanism, the below on chassis is placed to the scraper, and connect the water absorber through the trachea, when wasing glass curtain, atomizing nozzle sprays the surface of round brush after with the cleaner atomizing, round brush slewing mechanism controls the round brush and rotates under driving motor's effect, the round brush is paintd the cleaner after atomizing in the rotation process in the curtain and is washd, the scraper is fixed in the rear portion on chassis, be used for striking off unnecessary sewage, the water absorber is used for retrieving the sewage that the scraper struck off.
In one embodiment, the atomizing nozzle is arranged above the chassis, and the nozzle orifice of the atomizing nozzle is horizontally arranged with the central axis of the rolling brush.
In one embodiment, the atomizing nozzle is an ultrasonic nozzle.
In one embodiment, the roll brush is detachably mounted to the chassis.
In one embodiment, the scraper is obliquely arranged at the rear part of the chassis, and the projection of the cutter head of the scraper on the chassis is positioned behind the end part of the scraper connected with the chassis.
According to another aspect of the present invention, there is provided an automatic cleaning method for a glass curtain wall, comprising the steps of:
the atomizing nozzle atomizes the cleaning agent and then sprays the cleaning agent on the surface of the rolling brush, and the atomizing nozzle is connected with a cleaning agent water tank through a water pipe;
the rolling brush rotating mechanism controls the rolling brush to rotate under the action of a driving motor, wherein the rolling brush is placed at the front lower part of the chassis and is connected with the driving motor through the rolling brush rotating mechanism, and the driving motor is placed above the chassis and is positioned between the cleaning agent water tank and the rolling brush rotating mechanism;
the roller brush coats the atomized cleaning agent on the curtain wall and cleans the curtain wall in the rotating process;
the scraper is used for scraping redundant sewage and is fixed at the rear part of the chassis; and
the water absorber recovers the sewage scraped by the scraper.
In one embodiment, the atomizing nozzle is placed above the chassis, and the nozzle orifice of the atomizing nozzle is horizontally placed with the central axis of the rolling brush.
In one embodiment, the atomizing nozzle is an ultrasonic nozzle.
In one embodiment, the roll brush is detachably mounted to the chassis.
In one embodiment, the scraper is obliquely arranged at the rear part of the chassis, and the projection of the scraper head on the chassis is positioned behind the end part of the scraper connected with the chassis.
By adopting the automatic cleaning equipment and the cleaning method for the glass curtain wall, the water absorber is placed above the chassis, the cleaning agent water tank is connected with the atomizing nozzle through the water pipe, the rolling brush is connected with the driving motor through the rolling brush rotating mechanism, and the driving motor is positioned between the cleaning agent water tank and the rolling brush rotating mechanism. When rinsing glass curtain wall, the atomizing nozzle sprays the surface of round brush after with the cleaner atomizing, and round brush slewing mechanism controls the round brush and rotates under driving motor's effect, and the round brush is paintd the cleaner after will atomizing in the rotation in-process in the curtain and is washd, and the scraper is fixed in the rear portion on chassis for strike off unnecessary sewage, the water absorber is used for retrieving the sewage that the scraper struck off. Compared with the prior art, the glass curtain wall cleaning scheme integrates spraying, sucking and scraping, is high in efficiency and good in cleaning effect, and can save water resources and reduce power consumption and mechanism weight by adopting the ultrasonic mist spraying technology.
Drawings
The various aspects of the present invention will become more apparent to the reader after reading the detailed description of the invention with reference to the attached drawings. Wherein,
FIG. 1 shows a schematic structural view of an automatic cleaning apparatus for glass curtain walls, according to one aspect of the present invention; and
fig. 2 shows a flow chart of a method of cleaning using the automatic cleaning apparatus of fig. 1.
Numerical labeling:
1 Water absorber
2 cleaning agent water tank
3 atomizing nozzle
4 rolling brush
5 rolling brush rotating mechanism
6 base plate
7 scraper
Detailed Description
In order to make the present disclosure more complete and complete, reference is made to the accompanying drawings, in which like references indicate similar or analogous elements, and to the various embodiments of the invention described below. However, it will be understood by those of ordinary skill in the art that the examples provided below are not intended to limit the scope of the present invention. In addition, the drawings are only for illustrative purposes and are not drawn to scale.
Specific embodiments of various aspects of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view showing the construction of an automatic cleaning apparatus for a glass curtain wall according to an aspect of the present invention, and fig. 2 is a flowchart showing a method of cleaning using the automatic cleaning apparatus of fig. 1.
Referring to fig. 1 and 2, in this embodiment, the automatic cleaning apparatus for a glass curtain wall of the present application includes a water absorber 1, a cleaning agent tank 2, an atomizing nozzle 3, a roll brush 4, a roll brush rotating mechanism 5, a chassis 6, and a scraper 7. Further, to facilitate reuse and replacement of the roll brush 4, the roll brush 4 may also be configured to be detachably mounted to the chassis 6.
In detail, the water absorber 1 is placed above the chassis 6, the cleaning agent water tank 2 is connected with the atomizing nozzle 3 through a water pipe, and the rolling brush 4 is placed in the front lower part of the chassis 6 and is connected with the driving motor through the rolling brush rotating mechanism 5. The driving motor is arranged above the chassis 6 and between the cleaning agent water tank 2 and the rolling brush rotating mechanism 5. The scraper 7 is placed under the chassis and connected with the water absorber 1 through an air pipe.
When cleaning the glass curtain wall, firstly the atomizing nozzle 3 atomizes the cleaning agent and then sprays the cleaning agent on the surface of the rolling brush 4. Then, the rolling brush rotating mechanism 5 controls the rolling brush 4 to rotate under the action of the driving motor, and the rolling brush 4 paints the atomized cleaning agent on the curtain wall and cleans the curtain wall in the rotating process. Next, a scraper 7 is fixed to the rear of the chassis 6 for scraping off excess sewage. Finally, the sewage scraped by the scraper 7 is recovered by the water absorber 1.
In one embodiment, the atomizing nozzle 3 is placed above the bottom plate 6, and the nozzle orifice of the atomizing nozzle 3 is placed horizontally with the central axis of the roller brush 4. Preferably, the atomizing nozzle 3 is an ultrasonic head.
In a specific embodiment, the scraper 7 is mounted obliquely to the rear of the chassis 6, and the projection of the blade of the scraper 7 on the chassis 6 is located behind the end of the scraper 7 connected to the chassis 6.
Referring to fig. 2 in combination with fig. 1, the automatic cleaning method for the glass curtain wall of the present application can be implemented through steps S1 to S9.
In step S1, the cleaning agent from the cleaning agent tank 2 is atomized by the atomizing nozzle 3 and sprayed onto the surface of the drum brush 4, and the atomizing nozzle 3 is connected to the cleaning agent tank 2 through a water pipe. Next, step S3 is executed, in which the rolling brush rotating mechanism 5 controls the rolling brush 4 to rotate under the action of the driving motor, wherein the rolling brush 4 is placed at the front lower part of the chassis 6 and is connected with the driving motor through the rolling brush rotating mechanism 5. The driving motor is arranged above the chassis 6 and between the cleaning agent water tank 2 and the rolling brush rotating mechanism 5.
In step S5, the roller brush 4 applies the atomized cleaning agent to the curtain wall and cleans the curtain wall during rotation. Preferably, the rotational speed of the roller brush 4 can be adjusted and controlled by the parameter settings of the drive motor. In steps S7 and S9, the scraper 7 is used to scrape off the excess sewage. The scraper 7 is fixed at the rear part of the chassis 6, and then the water absorber 1 recovers the sewage scraped by the scraper.
By adopting the automatic cleaning equipment and the cleaning method for the glass curtain wall, the water absorber is placed above the chassis, the cleaning agent water tank is connected with the atomizing nozzle through the water pipe, the rolling brush is connected with the driving motor through the rolling brush rotating mechanism, and the driving motor is positioned between the cleaning agent water tank and the rolling brush rotating mechanism. When rinsing glass curtain wall, the atomizing nozzle sprays the surface of round brush after with the cleaner atomizing, and round brush slewing mechanism controls the round brush and rotates under driving motor's effect, and the round brush is paintd the cleaner after will atomizing in the rotation in-process in the curtain and is washd, and the scraper is fixed in the rear portion on chassis for strike off unnecessary sewage, the water absorber is used for retrieving the sewage that the scraper struck off. Compared with the prior art, the glass curtain wall cleaning scheme integrates spraying, sucking and scraping, is high in efficiency and good in cleaning effect, and can save water resources and reduce power consumption and mechanism weight by adopting the ultrasonic mist spraying technology.
Hereinbefore, specific embodiments of the present invention are described with reference to the drawings. However, those skilled in the art will appreciate that various modifications and substitutions can be made to the specific embodiments of the present invention without departing from the spirit and scope of the invention. Such modifications and substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. An automatic cleaning device for a glass curtain wall is characterized by comprising a water absorber (1), a cleaning agent water tank (2), an atomizing nozzle (3), a rolling brush (4), a rolling brush rotating mechanism (5), a chassis (6) and a scraper (7),
wherein the water absorber (1) is arranged above the chassis (6), the cleaning agent water tank (2) is connected with the atomizing nozzle (3) through a water pipe, the rolling brush (4) is arranged below the front part of the chassis (6) and is connected with the driving motor through the rolling brush rotating mechanism (5), the driving motor is arranged above the chassis (6) and is positioned between the cleaning agent water tank (2) and the rolling brush rotating mechanism (5), the scraper (7) is arranged below the chassis and is connected with the water absorber (1) through a gas pipe,
when wasing during the glass curtain wall, atomizing nozzle (3) are sprayed the surface of round brush (4) after atomizing the cleaner, and round brush slewing mechanism (5) are in control round brush (4) rotate under driving motor's the effect, and round brush (4) are paintd the cleaner after atomizing in the curtain and are washd rotating the in-process, and scraper (7) are fixed in the rear portion on chassis (6) for strike off unnecessary sewage, water absorber (1) are used for retrieving the sewage that scraper (7) struck off.
2. The automatic cleaning device according to claim 1, characterized in that the atomizing nozzle (3) is placed above the chassis (6), the nozzle orifice of the atomizing nozzle (3) being placed horizontally with the central axis of the roller brush (4).
3. Automatic cleaning device according to claim 2, characterized in that the atomizing nozzle (3) is an ultrasonic spray head.
4. Automatic cleaning device according to claim 1, characterized in that the roller brush (4) is detachably mounted to the chassis (6).
5. The automatic cleaning device according to claim 1, characterized in that the scraper (7) is mounted obliquely at the rear of the chassis (6) and the projection of the cutting head of the scraper (7) onto the chassis (6) is located behind the end of the scraper (7) connected to the chassis (6).
6. An automatic cleaning method for a glass curtain wall is characterized by comprising the following steps:
the atomizing nozzle atomizes the cleaning agent and then sprays the cleaning agent on the surface of the rolling brush, and the atomizing nozzle is connected with a cleaning agent water tank through a water pipe;
the rolling brush rotating mechanism controls the rolling brush to rotate under the action of a driving motor, wherein the rolling brush is placed at the front lower part of the chassis and is connected with the driving motor through the rolling brush rotating mechanism, and the driving motor is placed above the chassis and is positioned between the cleaning agent water tank and the rolling brush rotating mechanism;
the roller brush coats the atomized cleaning agent on the curtain wall and cleans the curtain wall in the rotating process;
the scraper is used for scraping redundant sewage and is fixed at the rear part of the chassis; and
the water absorber recovers the sewage scraped by the scraper.
7. The automatic cleaning method according to claim 6, wherein the atomizing nozzle is placed above the chassis, and a nozzle opening of the atomizing nozzle is placed horizontally with a central axis of the drum brush.
8. The automatic cleaning method according to claim 7, wherein the atomizing nozzle is an ultrasonic head.
9. The automated cleaning method of claim 6, wherein the roll brush is removably mounted to the chassis.
10. The automated cleaning method according to claim 6, wherein the scraper is mounted obliquely to the rear of the chassis, and a projection of a cutting head of the scraper onto the chassis is located behind an end of the scraper connected to the chassis.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810645318.3A CN108852144A (en) | 2018-06-21 | 2018-06-21 | A kind of automatic cleaning equipment and cleaning method for glass curtain wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810645318.3A CN108852144A (en) | 2018-06-21 | 2018-06-21 | A kind of automatic cleaning equipment and cleaning method for glass curtain wall |
Publications (1)
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CN108852144A true CN108852144A (en) | 2018-11-23 |
Family
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Family Applications (1)
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CN201810645318.3A Pending CN108852144A (en) | 2018-06-21 | 2018-06-21 | A kind of automatic cleaning equipment and cleaning method for glass curtain wall |
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CN (1) | CN108852144A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108860356A (en) * | 2018-06-21 | 2018-11-23 | 宁波介量机器人技术有限公司 | A kind of climbing robot |
CN110025249A (en) * | 2019-05-27 | 2019-07-19 | 深圳广田方特科建集团有限公司 | Intelligent curtain wall cleaning system |
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CN201445469U (en) * | 2009-07-20 | 2010-05-05 | 昆山市工业技术研究院有限责任公司 | Curtain wall automatic cleaning mechanism |
CN201602718U (en) * | 2010-01-08 | 2010-10-13 | 昆山市工业技术研究院有限责任公司 | Water injection cleaner of wall surface cleaning robot |
CN104684655A (en) * | 2012-06-15 | 2015-06-03 | 泰山涂装工程株式会社 | Ultrasonic spray nozzle integrated with spray width control device |
CN104825103A (en) * | 2015-04-24 | 2015-08-12 | 深圳格林斯玛特科技有限公司 | Glass curtain wall cleaning robot |
CN205697569U (en) * | 2016-02-03 | 2016-11-23 | 南京聚特机器人技术有限公司 | A kind of glass curtain wall clean robot |
CN206342432U (en) * | 2016-09-27 | 2017-07-21 | 深圳亮亮洗墙机器人有限公司 | A kind of cleaning head for exterior wall cleaning machine |
CN206453741U (en) * | 2016-11-22 | 2017-09-01 | 杨卫彪 | Glass curtain wall cleaning machine |
CN107411650A (en) * | 2017-06-29 | 2017-12-01 | 安徽南博机器人有限公司 | Stereoscopic wall surface cleaning machine |
CN107975823A (en) * | 2017-11-17 | 2018-05-01 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of ultrasonic nozzle atomising device |
-
2018
- 2018-06-21 CN CN201810645318.3A patent/CN108852144A/en active Pending
Patent Citations (9)
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CN201445469U (en) * | 2009-07-20 | 2010-05-05 | 昆山市工业技术研究院有限责任公司 | Curtain wall automatic cleaning mechanism |
CN201602718U (en) * | 2010-01-08 | 2010-10-13 | 昆山市工业技术研究院有限责任公司 | Water injection cleaner of wall surface cleaning robot |
CN104684655A (en) * | 2012-06-15 | 2015-06-03 | 泰山涂装工程株式会社 | Ultrasonic spray nozzle integrated with spray width control device |
CN104825103A (en) * | 2015-04-24 | 2015-08-12 | 深圳格林斯玛特科技有限公司 | Glass curtain wall cleaning robot |
CN205697569U (en) * | 2016-02-03 | 2016-11-23 | 南京聚特机器人技术有限公司 | A kind of glass curtain wall clean robot |
CN206342432U (en) * | 2016-09-27 | 2017-07-21 | 深圳亮亮洗墙机器人有限公司 | A kind of cleaning head for exterior wall cleaning machine |
CN206453741U (en) * | 2016-11-22 | 2017-09-01 | 杨卫彪 | Glass curtain wall cleaning machine |
CN107411650A (en) * | 2017-06-29 | 2017-12-01 | 安徽南博机器人有限公司 | Stereoscopic wall surface cleaning machine |
CN107975823A (en) * | 2017-11-17 | 2018-05-01 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of ultrasonic nozzle atomising device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108860356A (en) * | 2018-06-21 | 2018-11-23 | 宁波介量机器人技术有限公司 | A kind of climbing robot |
CN110025249A (en) * | 2019-05-27 | 2019-07-19 | 深圳广田方特科建集团有限公司 | Intelligent curtain wall cleaning system |
CN110025249B (en) * | 2019-05-27 | 2024-04-26 | 深圳广田方特科建集团有限公司 | Intelligent curtain wall cleaning system |
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Application publication date: 20181123 |
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