CN212394779U - Environment-friendly cleaning device for glass curtain wall - Google Patents

Environment-friendly cleaning device for glass curtain wall Download PDF

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Publication number
CN212394779U
CN212394779U CN202021212786.0U CN202021212786U CN212394779U CN 212394779 U CN212394779 U CN 212394779U CN 202021212786 U CN202021212786 U CN 202021212786U CN 212394779 U CN212394779 U CN 212394779U
Authority
CN
China
Prior art keywords
glass curtain
cleaning
curtain wall
negative pressure
brush roller
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.)
Expired - Fee Related
Application number
CN202021212786.0U
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Chinese (zh)
Inventor
苏航
王钦霖
宣惠哲
孙成龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Eighth Engineering Division Decoration Engineering Co Ltd
China Construction Eighth Bureau Decoration Curtain Wall Co Ltd
Original Assignee
China Construction Eighth Engineering Division Decoration Engineering Co Ltd
China Construction Eighth Bureau Decoration Curtain Wall Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Eighth Engineering Division Decoration Engineering Co Ltd, China Construction Eighth Bureau Decoration Curtain Wall Co Ltd filed Critical China Construction Eighth Engineering Division Decoration Engineering Co Ltd
Priority to CN202021212786.0U priority Critical patent/CN212394779U/en
Application granted granted Critical
Publication of CN212394779U publication Critical patent/CN212394779U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a glass curtain wall environmental protection belt cleaning device, it includes: the climbing mechanism comprises a fixed frame and a lifting frame which can be relatively and telescopically connected, one sides of the fixed frame and the lifting frame are respectively connected with a negative pressure bowl, and the negative pressure bowl is connected with a vacuum generator and forms a negative pressure area by utilizing the vacuum generator so as to be adsorbed on the glass curtain wall; the cleaning mechanism is used for cleaning the glass curtain wall and is arranged on the fixed frame; the spraying mechanism is used for spraying cleaning liquid and is arranged on one side of the cleaning mechanism, which is far away from the glass curtain wall; the fan is arranged on the fixed frame; the solar cell panel is arranged on one side, far away from the glass curtain wall, of the spraying mechanism and is electrically connected with the fan. The utility model discloses utilize vacuum generator and negative pressure bowl to come whole device absorption on the glass surface, drive whole device through the flexible of pneumatic telescopic link pars contractilis and remove to can carry out cleaning to glass curtain wall fast.

Description

Environment-friendly cleaning device for glass curtain wall
Technical Field
The utility model relates to a glass curtain wall washs the field, especially relates to a glass curtain wall environmental protection belt cleaning device.
Background
The glass curtain wall is a building external protective structure or a decorative structure which has a certain displacement capacity relative to the main structure by a supporting structure system and does not bear the action of the main structure. The wall body has two types of single-layer glass and double-layer glass. The glass curtain wall is a beautiful and novel building wall decoration method and is a remarkable characteristic of modern high-rise building times; generally, most of the glass curtain walls are cleaned manually, and the glass curtain walls on higher floors are cleaned manually, so that the glass curtain walls are dangerous and hard; also there are some equipment that are used for glass curtain wall to clear up at present, and these equipment most all need to connect the power just can carry out work, because the higher wire of pulling out of floor is longer, consequently longer distance's wire often can increase belt cleaning device's weight, and traditional belt cleaning device inner structure is comparatively complicated simultaneously to other equipment of complex that need are more, consequently very inconvenient in maintenance and carry.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the prior art, the utility model provides a glass curtain wall environmental protection belt cleaning device.
The utility model adopts the technical proposal that: the utility model provides a glass curtain wall environmental protection belt cleaning device which includes:
the climbing mechanism comprises a fixed frame and a lifting frame which are relatively and telescopically connected, one sides of the fixed frame and the lifting frame are respectively connected with a negative pressure bowl, and the negative pressure bowl is connected with a vacuum generator and forms a negative pressure area by utilizing the vacuum generator so as to be adsorbed on the glass curtain wall;
the cleaning mechanism is used for cleaning the glass curtain wall and is arranged on the fixed frame;
the spraying mechanism is used for spraying cleaning liquid and is arranged on one side of the cleaning mechanism, which is far away from the glass curtain wall;
the fan is arranged on the fixed frame;
the solar cell panel is arranged on one side, far away from the glass curtain wall, of the spraying mechanism, and the solar cell panel is electrically connected with the fan.
As the utility model discloses an embodiment, the mount with be connected with pneumatic telescopic rod between the crane.
As an embodiment of the utility model, the mount with the crane all adopts square pipe, square pipe is equipped with the confession installation on one side towards glass curtain wall the trompil structure of negative pressure bowl, vacuum generator sets up square inside of pipe is passed through trompil structural connection in the negative pressure bowl.
As the utility model discloses an embodiment, the quantity of negative pressure bowl is a plurality of, and is a plurality of the negative pressure bowl is matrix evenly distributed, and is a plurality of vacuum generator connects in a plurality of one-to-one negative pressure bowl.
As the utility model discloses an embodiment, wiper mechanism including wash case, both ends rotatable set up in wash the brush roller subassembly of incasement and be used for rotating the drive assembly of brush roller subassembly, it is equipped with the opening to wash one side that the case is close to glass curtain wall, brush roller subassembly sees through opening protrusion in wash the case.
As an embodiment of the utility model, the drive assembly includes that one end is equipped with the transmission shaft of driving gear, the other end of transmission shaft is connected in driving motor, the motor is connected wash the incasement, brush roller subassembly includes two at least brush rolls, each the tip of brush roll be equipped with driving gear intermeshing's driven gear.
As an embodiment of the utility model, the drive assembly includes that one end is equipped with drive sprocket's transmission shaft, the other end of transmission shaft is connected in driving motor, the motor is connected wash the incasement, the brush roller subassembly includes two at least brush rolls, each the tip of brush roll be equipped with drive sprocket passes through the driven sprocket that chain drive connects.
As the utility model discloses an embodiment, spray the mechanism include the cleaning solution case and through spray pump connect in the shower of cleaning solution case, the cleaning solution case set up in what wash the case keeps away from on one side of curtain panel, be equipped with the confession on the washing case the pipeline mouth that the shower was worn out.
As an embodiment of the present invention, the solar cell panel is electrically connected to the spray pump.
As an embodiment of the utility model, wiper mechanism sets up being close to of mount on one side of crane, the fan sets up keeping away from of mount on one side of crane.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect as follows:
1. the whole device is adsorbed on the surface of the glass curtain wall by using the vacuum generator and the negative pressure bowl, and is driven to move by the expansion of the expansion part of the pneumatic expansion link, so that the glass curtain wall can be quickly cleaned;
2. the solar panel is used for directly supplying power to the fan and the spray pump, so that energy can be saved, and the solar energy-saving shower head is convenient to carry and use integrally.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the utility model provides a glass curtain wall environmental protection belt cleaning device's schematic structure diagram.
Fig. 2 is a partial part diagram of a vacuum generator of the environment-friendly cleaning device for glass curtain walls provided by the utility model.
Fig. 3 is a partial part diagram of a cleaning mechanism embodiment 1 of the environment-friendly cleaning device for glass curtain walls provided by the present invention.
Fig. 4 is a partial part diagram of a cleaning mechanism embodiment 2 of the environment-friendly cleaning device for glass curtain walls provided by the present invention.
Fig. 5 is the utility model provides a glass curtain wall environmental protection belt cleaning device's washing incasement part map.
Fig. 6 is a circuit flow block diagram of the environment-friendly cleaning device for glass curtain walls provided by the utility model.
The reference numerals are explained below:
1-climbing mechanism, 2-solar panel, 3-spraying mechanism, 4-cleaning mechanism, 5-hairbrush, 6-blower, 11-lifting frame, 12-negative pressure bowl, 13-pneumatic telescopic rod, 14-fixing frame, 15-vacuum generator, 31-cleaning liquid box, 32-spraying pump, 33-spraying pipe, 41-cleaning box, 42-pneumatic motor, 43-first brush roller, 44-second brush roller, 45-transmission shaft, 46-gear, 416-chain wheel and 417-chain.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and 2, the environmental protection cleaning device for a glass curtain wall provided by the embodiment mainly includes: a spraying mechanism 3 for spraying cleaning liquid, a cleaning mechanism 4 for cleaning the glass curtain wall, a climbing mechanism 1, a fan 6, a solar panel 2 and a brush 5 can be arranged at times.
Specifically, the climbing mechanism 1 may further include a crane 11, a negative pressure bowl 12, a pneumatic telescopic rod 13, a fixed frame 14, and a vacuum generator 15. It is prior art that pneumatic telescoping rod 13 realizes flexible, mainly utilize the air pump control telescopic link flexible, as shown in fig. 1 and fig. 5, pneumatic telescoping rod 13's fixed part accessible bolted connection is in the mount 14 upper end, crane 11 installs the pars contractilis at pneumatic telescoping rod 13, preferably, mount 14 and crane 11 parallel arrangement adopt two sets of pneumatic telescoping rod 13, connect respectively between mount 14 and crane 11's both ends, make mount 14 and crane 11's relative flexible more steady. When the device is used, the telescopic part of the pneumatic telescopic rod 13 stretches to drive the whole device to move, so that the glass curtain wall can be cleaned quickly.
Negative pressure bowl 12 accessible threaded connection is in the rear side of crane 11 and mount 14 (the one side that is close to glass curtain wall during the use), the optional model of vacuum generator 15 is ZU05S, vacuum generator 15 installs inside crane 11 and mount 14, specifically, mount 14 and crane 11 all adopt square pipe, square pipe is equipped with the trompil structure that supplies the installation negative pressure bowl on the one side towards glass curtain wall, set up threaded connection negative pressure bowl 12 in the trompil structure, vacuum generator 15 sets up and connects in negative pressure bowl 12 in the inside of square pipe and through trompil structure, wherein, the quantity of negative pressure bowl 12 is a plurality of, a plurality of negative pressure bowls 12 are the matrix and evenly are covered with whole setting surface, a plurality of vacuum generator 15 one-to-ones ground connect in a plurality of negative pressure bowls 12. In use, the vacuum generator 15 is used to form a negative pressure area on the side of the negative pressure bowl 12 facing the glass curtain wall so that the whole device is adsorbed on the surface of the glass curtain wall.
The cleaning mechanism 4 is disposed on the fixing frame 14, and preferably, the cleaning mechanism 4 is disposed on one side of the fixing frame 14 close to the lifting frame 12.
The spraying mechanism 3 is arranged on one side of the cleaning mechanism 4 far away from the glass curtain wall.
The fan 6 is arranged on the fixed frame, preferably on one side of the fixed frame 14 far away from the lifting frame 11, so that the fan 6 and the cleaning mechanism 4 are oppositely arranged on two sides of the fixed frame 14, and not only can the function be fully exerted, but also the mutual interference can be avoided.
Solar cell panel 2 sets up on the one side of keeping away from glass curtain wall that sprays mechanism 3, and solar cell panel 2 is connected through the electricity with fan 6, carries out glass curtain wall's cleaning process at wiper mechanism 4, utilizes solar cell panel 2 to supply power to fan 6 to utilize fan 6 to air-dry the processing in the place of wasing, wherein, utilize solar cell panel 2 power supply, can also the energy can be saved holistic carrying and use of being convenient for.
The utility model also provides a wiper mechanism of two kinds of different embodiments, and the following cooperation application method is further explained the wiper mechanism of two concrete embodiments.
Example 1:
as shown in fig. 1, 2, 3, 5, and 6, the washing mechanism 4 includes a washing tank 41, a pneumatic motor 42, a first brush roller 43, a second brush roller 44, a transmission shaft 45, and a gear 46. The cleaning tank 41 serves to receive and protect other components therein, and may be bolted to the upper side of the fixing frame 14. The type of the pneumatic motor 42 can be selected to be XS-HS050, the pneumatic motor can be connected to one side of the inner portion of the cleaning box 41 through bolts, two ends of the first brush roller 43, the second brush roller 44 and the transmission shaft 45 are connected into the cleaning box 41 through bearings, an opening is formed in one side, facing the glass curtain wall, of the cleaning box 41, and one sides, facing the glass curtain wall, of the first brush roller 43 and the second brush roller 44 protrude to the outer side of the cleaning box 41 through the opening. The first brush roller 43 is located above the second brush roller 44, the transmission shaft 45 is located in front of a position between the first brush roller 43 and the second brush roller 44 (in a direction away from the glass curtain wall), and the gear 46 is connected to the other ends of the first brush roller 43, the second brush roller 44 and the transmission shaft 45 through a key and located inside the cleaning tank 41, wherein the gear at the end of the transmission shaft 45 serves as a driving gear, the gears at the ends of the first brush roller 43 and the second brush roller 44 serve as driven gears, and the driving gear and the two driven gears are respectively engaged with each other. The other end of the transmission shaft 45 is coaxially connected to a rotating part of the pneumatic motor 42, the rotating part of the pneumatic motor 42 is used for driving the transmission shaft 45 to rotate, the transmission shaft 45 and the gear 46 are used for driving the first brush roller 43 and the second brush roller 44 to rotate, and then the glass curtain wall is cleaned through the rotation of the first brush roller 43 and the second brush roller 44.
The shower mechanism 3 includes a cleaning liquid tank 31, a shower pump 32, and a shower pipe 33. The cleaning liquid tank 31 is mounted on a side of the cleaning tank 41 remote from the glass curtain wall. The spray pump 32 can be selected from model KY-Q0025, and can be connected to the lower side of the cleaning liquid tank 31 through screws. The spray pipe 33 is connected to the spray pump 32, the spray pipe 33 penetrates through the cleaning tank 41 and is located at the inner side position of the cleaning tank, the solar cell panel 2 is electrically connected with the spray pump 32, the cleaning liquid in the cleaning liquid tank 31 is pumped into the spray pipe 33 through the spray pump 32, and the cleaning liquid is uniformly sprayed onto the glass curtain wall through the spray head at the front end of the spray pipe 33.
The working principle is as follows: when using, connect vacuum generator 15 on crane 11 and mount 14 respectively with two compressed air pipes, mount 14 is located crane 11's top, will this moment the utility model discloses glass curtain wall environmental protection belt cleaning device places on the glass curtain wall, sends into corresponding compressed air in the compressed air pipe, and in compressed air entered into vacuum generator 15 this moment, utilized vacuum generator 15 to form the negative pressure region in negative pressure bowl 12 inboard, whole device was just complete tightly on the glass curtain wall of inhaling this moment.
When the whole device moves downwards, the compressed air supply of the vacuum generator 15 on the lifting frame 11 is firstly cut off, meanwhile, the telescopic part of the pneumatic telescopic rod 13 extends to push the lifting frame 11 to move downwards, when the telescopic part of the pneumatic telescopic rod 13 extends to the maximum length, the supply of the compressed air on the lifting frame 11 is switched on, then the compressed air on the fixing frame 14 is cut off, at the moment, the negative pressure bowl 12 on the fixing frame 14 is separated from tightly sucking the glass, and at the moment, the fixing frame 14 and the cleaning mechanism 4 are driven to descend through the shortening of the telescopic part of the vacuum generator 15. In the descending process of the fixed frame 14, the rotating part of the pneumatic motor 42 is used for driving the transmission shaft 45 to rotate, the transmission shaft 45 and the gear 46 are used for driving the first brush roller 43 and the second brush roller 44 to rotate, the glass curtain wall is cleaned through the first brush roller 43, the cleaning liquid on the glass is wiped through the second brush roller 44, in the process, the cleaning liquid in the cleaning liquid box 31 is pumped into the spray pipe 33 through the spray pump 32, and the cleaning liquid is sprayed out through the spray port on the spray pipe 33, so that the glass curtain wall is cleaned; in the process, the solar cell panel 2 is used for supplying power to the fan 6, so that the cleaned place is dried by the fan 6.
Example 2
As shown in fig. 4, the difference between embodiment 2 and embodiment 1 is that the cleaning mechanism 4 includes a cleaning tank 41, a pneumatic motor 42, a first brush roller 43, a second brush roller 44, a transmission shaft 45, a sprocket 416, and a chain 417, the pneumatic motor 42 is connected to one side of the cleaning tank 41 by a bolt, both ends of the first brush roller 43, the second brush roller 44, and the transmission shaft 45 are connected to the cleaning tank 41 by bearings, the first brush roller 43 is located above the second brush roller 44, the transmission shaft 45 is located in front of a position between the first brush roller 43 and the second brush roller 44, the sprocket 416 is connected to the other ends of the first brush roller 43, the second brush roller 44, and the transmission shaft 45 by a key and is located inside the cleaning tank 41, wherein a sprocket at an end of the transmission shaft 45 is used as a driving sprocket, and sprockets at ends of the first brush roller 43 and. The chain 417 is disposed outboard of the three sprockets 416 such that the three sprockets 416 comprise a drive train. The other end of the transmission shaft 45 is coaxially connected to a rotating part of the pneumatic motor 42, the rotating part of the pneumatic motor 42 is used for driving the transmission shaft 45 to rotate, the transmission shaft 45, the chain wheel 416 and the chain 417 are used for driving the first brush roll 43 and the second brush roll 44 to rotate, and then the glass curtain wall is cleaned through the rotation of the first brush roll 43 and the second brush roll 44.
Compared with the prior art, the utility model discloses glass curtain wall environmental protection belt cleaning device's beneficial effect as follows:
1. the whole device is adsorbed on the surface of the glass by using a vacuum generator and a negative pressure bowl, and is driven to move by the expansion of the expansion part of the pneumatic expansion link, so that the glass curtain wall can be quickly cleaned;
2. the solar panel is used for directly supplying power to the fan and the spray pump, so that energy can be saved, and the solar energy-saving shower head is convenient to carry and use integrally.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims (10)

1. The utility model provides a glass curtain wall environmental protection belt cleaning device which characterized in that includes:
the climbing mechanism comprises a fixed frame and a lifting frame which are relatively and telescopically connected, one sides of the fixed frame and the lifting frame are respectively connected with a negative pressure bowl, and the negative pressure bowl is connected with a vacuum generator and forms a negative pressure area by utilizing the vacuum generator so as to be adsorbed on the glass curtain wall;
the cleaning mechanism is used for cleaning the glass curtain wall and is arranged on the fixed frame;
the spraying mechanism is used for spraying cleaning liquid and is arranged on one side of the cleaning mechanism, which is far away from the glass curtain wall;
the fan is arranged on the fixed frame;
the solar cell panel is arranged on one side, far away from the glass curtain wall, of the spraying mechanism, and the solar cell panel is electrically connected with the fan.
2. The environmental protection cleaning device for glass curtain walls as claimed in claim 1, wherein: and a pneumatic telescopic rod is connected between the fixing frame and the lifting frame.
3. The environmental protection cleaning device for glass curtain walls as claimed in claim 1, wherein: the mount with the crane all adopts square pipe, square pipe be equipped with the confession installation on the one side towards glass curtain wall the trompil structure of negative pressure bowl, vacuum generator sets up square inside of managing and passing through trompil structure connect in the negative pressure bowl.
4. The environmental protection cleaning device for glass curtain walls as claimed in claim 3, wherein: the quantity of negative pressure bowl is a plurality of, and is a plurality of negative pressure bowl is matrix evenly distributed, and is a plurality of vacuum generator connects in a plurality of one-to-one ground the negative pressure bowl.
5. The environmental protection cleaning device for glass curtain walls as claimed in claim 1, wherein: the cleaning mechanism comprises a cleaning box, a brush roller assembly and a driving assembly, wherein two ends of the brush roller assembly are rotatably arranged in the cleaning box, the driving assembly is used for rotating the brush roller assembly, an opening is formed in one side, close to the glass curtain wall, of the cleaning box, and the brush roller assembly protrudes out of the cleaning box through the opening.
6. The environmental protection cleaning device for glass curtain walls as claimed in claim 5, wherein: the driving assembly comprises a transmission shaft, one end of the transmission shaft is provided with a driving gear, the other end of the transmission shaft is connected to a driving motor, the motor is connected in the cleaning box, the brush roller assembly comprises at least two brush rollers, and the end part of each brush roller is provided with a driven gear which is meshed with the driving gear.
7. The environmental protection cleaning device for glass curtain walls as claimed in claim 5, wherein: the driving assembly comprises a transmission shaft, one end of the transmission shaft is provided with a driving chain wheel, the other end of the transmission shaft is connected with a driving motor, the motor is connected in the cleaning box, the brush roller assembly comprises at least two brush rollers, and the end part of each brush roller is provided with a driven chain wheel which is connected with the driving chain wheel through chain transmission.
8. The environmental protection cleaning device for glass curtain walls as claimed in claim 5, wherein: the spraying mechanism comprises a cleaning liquid box and a spraying pipe connected with the cleaning liquid box through a spraying pump, the cleaning liquid box is arranged on one side of the curtain wall panel, which is far away from the cleaning box, and a pipeline opening for the spraying pipe to penetrate out is formed in the cleaning box.
9. The environmental protection cleaning device for glass curtain walls as claimed in claim 8, wherein: the solar cell panel is electrically connected with the spraying pump.
10. The environmental protection cleaning device for glass curtain walls as claimed in claim 1, wherein: the cleaning mechanism is arranged on one side, close to the lifting frame, of the fixing frame, and the fan is arranged on one side, far away from the lifting frame, of the fixing frame.
CN202021212786.0U 2020-06-28 2020-06-28 Environment-friendly cleaning device for glass curtain wall Expired - Fee Related CN212394779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021212786.0U CN212394779U (en) 2020-06-28 2020-06-28 Environment-friendly cleaning device for glass curtain wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021212786.0U CN212394779U (en) 2020-06-28 2020-06-28 Environment-friendly cleaning device for glass curtain wall

Publications (1)

Publication Number Publication Date
CN212394779U true CN212394779U (en) 2021-01-26

Family

ID=74404197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021212786.0U Expired - Fee Related CN212394779U (en) 2020-06-28 2020-06-28 Environment-friendly cleaning device for glass curtain wall

Country Status (1)

Country Link
CN (1) CN212394779U (en)

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Granted publication date: 20210126