WO2003001955A1 - Appareil de nettoyage de façades - Google Patents

Appareil de nettoyage de façades Download PDF

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Publication number
WO2003001955A1
WO2003001955A1 PCT/SG2002/000131 SG0200131W WO03001955A1 WO 2003001955 A1 WO2003001955 A1 WO 2003001955A1 SG 0200131 W SG0200131 W SG 0200131W WO 03001955 A1 WO03001955 A1 WO 03001955A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
building
axis
cleaning apparatus
remotely operable
Prior art date
Application number
PCT/SG2002/000131
Other languages
English (en)
Inventor
Fook Seng Choy
Tsung Yong Chek
Wei Chet Yip
Kok Eng Boon
Hong Choon New
Eng Chuan Lee
Hong Guan Sim
Chee Hou Ngoh
Yvonne Koh
Seu Lung Loy
Original Assignee
Efficiency Cleaning Services Pte 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 Efficiency Cleaning Services Pte Ltd filed Critical Efficiency Cleaning Services Pte Ltd
Publication of WO2003001955A1 publication Critical patent/WO2003001955A1/fr

Links

Classifications

    • 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
    • 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

Definitions

  • the present invention relates to cleaning apparatus, more particularly to apparatus for the remotely controlled cleaning of buildings. It will be convenient to describe the invention with particular reference to the remote-controlled cleaning of walls and windows of high-rise buildings although, it should be appreciate that the invention may have wider application.
  • the cleaning apparatus is preferably capable of cleaning relatively planar building surfaces such as exterior building glass, masonry or metal surfaces, although the invention may also be useful in cleaning textured building surfaces such as rough-cast concrete, stucco, render or other surfaces having same degree of texture or roughness.
  • the cleaning apparatus may be adapted to clean building surfaces such as window ledges, sills and mullions, as well as normal building surfaces which present straight forward outward faces such as vertically disposed windows.
  • the building cleaning apparatus includes a frame to which some other components of the apparatus are mounted.
  • the frame is moveable relative to the building surface by virtue of a third drive means.
  • the third drive means may be a conventional building cleaning gondola which has already been installed on an existing building.
  • the frame of the building cleaning apparatus of the present invention may be mounted to the gondola, so that the movement of the building cleaning apparatus relative to the building surface is effected by moving the gondola relative to the building surface.
  • the gondola and associated drive mechanisms will have already been installed in the building. Therefore, such infrastructure can be used with little modification to incorporate the present invention to provide an automated building cleaning system.
  • the pre-existing controls of the gondola are modified so that they, can be activated with the control means for the present invention, although it will be appreciated that the gondola control means need not necessarily be so modified.
  • the present invention may be modified to incorporate its own third drive means to move the frame relative to the building surface.
  • the building cleaning apparatus includes cleaning means.
  • the cleaning means incorporates 2 or more cleaning aids to perform a particular cleaning function.
  • the cleaning aids may incorporate a liquid spray means such as a high pressure water jet or a spray means for spraying a stream of liquid detergent.
  • the liquid spray means may incorporate both a high pressure water jet and a detergent spray so that the liquid spray means can perform both a detergent application phase where the detergent spray may operate either with or without the high pressure water spray, and the rinsing operation may be performed solely by the high pressure water spray.
  • the cleaning means may further include a tactile cleansing means which comes into contact with the building surface to be cleaned.
  • the tactile cleansing means is a brush having an elongate axis.
  • the tactile cleansing means may comprise a sponge, cloth, pile such as lambswool or other tactile cleansing means which is capable of wiping, abrading or otherwise dislodging accumulated dirt from the building surface to be cleaned.
  • the cleaning means may also further include a vacuum suction system for the control of water flow and undesirable water splashing effect.
  • the tactile cleansing means comprises a brush having an elongate axis, preferably the axis of said brush is substantially perpendicular to the first axis so that when the cleansing means is moved along said first axis with the brush in contact with the building surface, an elongate strip of the building surface along the first axis is contacted by the brush.
  • the brush will preferably have an array of bristles aligned substantially parallel with the second axis, there may include additional arrays of bristles substantially perpendicular to the second axis. Such additional bristle arrays may be used to clean ledges, sills, overhangs or columns adjacent to major building surfaces such as windows.
  • the building cleaning apparatus may further include rinsing means, such as a water jet as previously discussed above and may include additional cleaning aids such as a drying means.
  • a drying means may comprise a flexible drying blow such as a squeegee and/or an air jet or any other suitable drying means.
  • the two or more cleaning aids are integrally disposed on the cleaning means.
  • the liquid spray means is integral with a brush so that liquid can be sprayed onto the building surface proximate the action of the brush to enhance the cleaning operation.
  • Such integral positioning also allows the first and second drive means to operate more than one cleaning aid, thus reducing the complexity and cost of the apparatus.
  • the building cleaning apparatus preferably also includes a sensor means to detect the proximity of the cleaning means to the building surface along the second axis, in other words how close towards or away from the building surface the cleaning means is positioned.
  • the sensor means is provided such that the cleaning brush is kept within a desired contact range on the building surface to ensure an appropriate cleaning contact intensity.
  • the cleaning means is mounted moveably along the second axis on the second drive means comprising a carriage and wherein the carriage is moveable relative to the cleaning apparatus along the first axis.
  • the drive means may alternatively consist of a telescopically extendable arm, along a track either slidably on bearings or otherwise.
  • the carriage may be moveable along first said axis in a number of ways although preferably the carriage is either slidably movable or moveable on bearings on a track.
  • the drive means in such embodiment includes means for moving the carriage along the first axis or for moving the cleaning means along the second axis and may be any suitable arrangement such as by a belt or screw drive system, a rack and pinion arrangement, a hydraulic piston, a pad agraphic or actuating arm or the like.
  • the sensors may act to convey to a programmable logic controller the position of the cleaning means for proper control of a reciprocating cleaning cycle.
  • the frame remains relatively stationary to the building surface.
  • the cleaning apparatus preferably also includes a programmable logic controller to receive and process sensory input from one or more sensors, to be programmed with selected data from a worker and to control activation of the respective drive means to operate the cleaning means to complete satisfactory cleaning of the building surface.
  • FIG. 1 is a perspective view of a building cleaning apparatus made in accordance with the invention.
  • building cleaning apparatus of the present invention is generally of a gondola configuration and includes a frame (1 ), mounting plate (2A) secured to the frame (1), a plurality of supporting bars (2B), x-axis positioning unit with drive (3A), x-axis positioning unit without drive (3B), x-axis sliders mounting plate (4A), x-axis sliders (4B), y- axis positioning unit with drive (5), x-axis proximity sensors (6A, 6A' & 6B, 6B'), y-axis slider (7A), stopper (7B), y-axis proximity sensors (8A, 8A' & 8B, 8B'), y-axis flexible touch-type proximity sensor (8C) supported by an adjustable profile bar ( ?
  • the profile plate (2A) is mounted onto the profile plate (2A), which in turn is mounted to the profile frame (1 ).
  • the profile plate (24) and profile frame (1 ) are made from aluminium, although any other suitable material may be used.
  • the x-axis positioning units (3A & 3B) are supported by profile supporting plates (2B) to a certain height to accommodate the x-axis speed reducer (9C).
  • frame (1 ) is mounted on or secured to a gondola (not shown) of an existing building.
  • the dimensions of frame (1), stroke lengths of drives and positioning of sensors will be set or adjusted appropriately for the gondola.
  • the x-axis motor (9B) and the speed reducer (9C) with coupling (9C) are assembled in line with the x-axis positioning unit (3A).
  • Two proximity sensors (6A' & 6B') are attached to the extreme left and right ends of the x-axis positioning unit (3A) with another two inner proximity sensors (6A & 6B) being adjusted according to the required working stroke length of the cleaning operation.
  • the x-axis positioning unit without drive (3B) acts as a supporting guide for the horizontal movement.
  • the y-axis positioning unit (5) is mounted onto an x-axis sliders mounting plate (4A) which is in turn mounted on the two x-axis sliders (4B).
  • the spray gun (12) and the solenoid mounting fixture (11 B) are assembled together and mounted onto the y-axis slider (7A).
  • the y-axis motor (9A) is attached directly to the y-axis positioning unit (9A).
  • the stopper (7B) is fixed to the side of the y-axis slider (7A) to activate the two inner proximity sensors (8A & 8B) which are pre-adjusted according to the stroke length required for the forward and backward movements of the spray gun before the cleaning operation.
  • Two outer sensors (8A' & 8B') are mounted at the extreme ends of the y-axis positioning unit (5).
  • the flexible touch-type proximity sensor (8C) which is being mounted onto the y- axis spray gun support plate (11 A), will switch off the motor (9A) to stop the brush from advancing forward once the brush (1 1 C) followed by the flexible sensor tip have touched the wall/glass surface of the building to be cleaned. However, the motor (9A) will be switched on automatically if the tip of the sensor (1 1 C) were to lose contact with the wall/glass surface should the gondola swing away from the wall/glass.
  • the purpose of this flexible touch-type proximity sensor (11 C) is to ensure that the brush is always in contact with the wall/glass at pre-adjusted distance during the entire cleaning operation.
  • the sensor control box (16) is attached to the profile frame (1).
  • the console (17) and the sensor control box (16) are wired to the main control box (15A) for controlling the machine remotely.
  • the whole machine structure, including the main control box (15A), are preferably placed into the gondola.
  • a power connector (15D) is connected to a power supply.
  • switches for the motor drives of the gondola may be wired to the main control box (15A).
  • a water hose from the top of the building is to be connected to the inlet of a water pump, and the outlet of the water pump is to be connected to the spray gun (12) by another water hose. Only the spray gun (12) has been shown in the drawing.
  • the power supply and the isolator (15C) of the machine will have to be switched on first.
  • the operator must also ensure that the water tap is turned on before switching on the water pump. If brushing of wall/glass is required, the operator must ensure that the detergent suction tube of the water pump is fully inserted into the detergent container. At this juncture, the operator shall be able to control the entire cleaning process by pressing the appropriate buttons on the console (17).
  • the PLC programme shall be written to control the motion in the sequence as described below:
  • the gondola will have to be raised to the highest level, of the building by pressing the "Gondola Up” button.
  • the automatic cleaning process with water jet and brush can be activated by pressing the "Auto Down (with brush)” button.
  • the y-axis motor (9A) will be activated to move the brush (11C) and the spray gun (12) forward, that is, towards the wall/glass.
  • the motor (9A) will stop once the brush (1 1 C) followed by the tip of the flexible touch-type proximity sensor (8C) touch the wall/glass surface.
  • the solenoids (10) will be energised to trigger the spray gun (12).
  • the x-axis motor (9B) will be activated to move the brush (11 C) and the spray gun (14) from left to right and the cleaning operation thus begins.
  • the x-axis slider (4B) hits the inner proximity sensor (6B) at the other end to stop and reverse the direction of rotation of the x-axis motor (9B)
  • the cleaning unit comprising of the spray gun and brush will retard, stop and then reverse its direction of cleaning towards its original start position on the left.
  • the x-axis motor (9B) followed by the cleaning unit will stop once the slider (4B) hits the inner sensor (6A) at the position where the motion started.
  • the solenoids (10) will then de-energize to cut off the water supply to save water and detergent.
  • the y-axis motor (9A) will be activated to retract the spray gun (12) and brush (11C) away from the wall/glass surface.
  • the motor (9A) will stop once the slider (7A) hits the inner sensor (8A) and the gondola motors (not shown) will be activated to lower the machine to a lower level for the next cycle of cleaning operation.
  • the automatic cleaning process with water jet only (without brush) can be activated by pressing the "Auto Down (water jet only)" button. By doing so, the y-axis motor (9A) will be activated to move the spray gun (12) forward, that is, towards the wall/glass.
  • the motor (9A) will stop once the stopper (7B) hits the proximity sensor (8B) which is pre-adjusted to allow a distance of about 50 cm between the spray gun nozzle and the wall/glass. Following that, the solenoids (10) will be energized immediately to trigger the spray gun (12). The x- axis motor (9B) will then be activated to move the spray gun (14) from left to right and the cleaning operation thus begins. When the x-axis slider (4B) hits the inner proximity sensor (6B) at the other end to stop and reverse the direction of rotation of the x-axis motor (9B), the spray gun will retard, stop and reverse its direction of cleaning towards its originally starting position on the left.
  • the x-axis motor (9B) followed by the spray gun will stop once the slider (4B) hits the inner sensor (6A) at the position where the motion started.
  • the solenoids (10) will then de-energize to cut off the water supply to save water.
  • the gondola motors will be activated to lower the machine to a lower level for the next cycle of cleaning operation.
  • the number of cleaning cycles to be performed at each level will depend on the state of the cleanliness and the condition of the surfaces to be cleaned. If more than one cleaning cycle is required, the PLC can be programmed to allow an appropriate number of repeating cleaning cycle at the same level before the gondola is signalled to descend to the next lower level of cleaning operation.
  • the cleaning machine can also be operated manually by pressing the appropriate buttons on the console (17).

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  • 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 In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un appareil de nettoyage automatisé pouvant être incorporé dans des nacelles de nettoyage de façades existantes. Cet appareil comprend un dispositif de nettoyage, tel qu'une brosse (11C) et un dispositif à jet d'eau (12), monté sur un curseur (7A) pouvant s'éloigner et se rapprocher d'une façade. Le curseur (7A) est lui-même monté sur un autre curseur (9A) mobile le long d'un axe longeant la façade, monté sur une structure (1). La structure (1) est mobile par rapport à la façade et peut incorporer un moyen d'entraînement propre ou être avantageusement montée sur une nacelle de nettoyage de façades existante. Un boîtier de commande (17) permet d'actionner les différents moyens d'entraînement des curseurs (7A, 9A) pour commander le dispositif de nettoyage de façon adéquate. L'appareil peut être programmé pour suivre automatiquement une routine de nettoyage. Le dispositif de nettoyage est équipé de capteurs (6A, 6A', 6B, 6B', 8A, 8A', 8B, 8B') permettant de détecter la proximité du dispositif de nettoyage par rapport à la façade nettoyée et de capteurs permettant de déterminer la position du dispositif de nettoyage par rapport à la structure.
PCT/SG2002/000131 2001-06-27 2002-06-26 Appareil de nettoyage de façades WO2003001955A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG200103962-7 2001-06-27
SG200103962 2001-06-27

Publications (1)

Publication Number Publication Date
WO2003001955A1 true WO2003001955A1 (fr) 2003-01-09

Family

ID=20430794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2002/000131 WO2003001955A1 (fr) 2001-06-27 2002-06-26 Appareil de nettoyage de façades

Country Status (2)

Country Link
CN (1) CN1464781A (fr)
WO (1) WO2003001955A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105979838A (zh) * 2013-12-18 2016-09-28 瓦斯菲·阿希达法特 具有旋转刷头之水平可延伸建物正面清理装置
CN116513755A (zh) * 2023-06-27 2023-08-01 江苏山鑫重工有限公司 一种具有带面清理功能的带式输送设备

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CN110101333B (zh) * 2019-05-28 2021-05-14 诸暨市景旺机械科技有限公司 一种幕墙工程用清洗天车
CN112056980B (zh) * 2020-09-07 2022-01-14 台州鼎创智能科技有限公司 一种用于建筑幕墙顽固污渍的自动清洁机器人

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601265A1 (de) * 1985-01-18 1986-07-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Optisches system fuer informationsaufzeichnung
EP0351481A1 (fr) * 1988-07-22 1990-01-24 Von Arx Ag Dispositif pour le travail, plus spécialement pour le décapage, de murs entre sol et plafond et procédé pour son emploi
FR2654652A1 (fr) * 1989-11-21 1991-05-24 Nicolaieff Michel Installation de nettoyage automatique de parois lisses et notamment vitrees d'immeubles.
WO1995004203A1 (fr) * 1993-07-30 1995-02-09 Kristiansen, Morten Procede de traitement de surfaces, dispositif pour sa mise en oeuvre, et application
DE19609858A1 (de) * 1996-03-13 1997-09-18 Iren Dornier Automatische Reinigungsvorrichtung mit umsetzbaren Stützbeinen
EP0649624B1 (fr) * 1993-10-20 1998-06-03 Nihon Biso Co., Ltd. Robot pour nettoyer une paroi extérieure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601265A1 (de) * 1985-01-18 1986-07-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Optisches system fuer informationsaufzeichnung
EP0351481A1 (fr) * 1988-07-22 1990-01-24 Von Arx Ag Dispositif pour le travail, plus spécialement pour le décapage, de murs entre sol et plafond et procédé pour son emploi
FR2654652A1 (fr) * 1989-11-21 1991-05-24 Nicolaieff Michel Installation de nettoyage automatique de parois lisses et notamment vitrees d'immeubles.
WO1995004203A1 (fr) * 1993-07-30 1995-02-09 Kristiansen, Morten Procede de traitement de surfaces, dispositif pour sa mise en oeuvre, et application
EP0649624B1 (fr) * 1993-10-20 1998-06-03 Nihon Biso Co., Ltd. Robot pour nettoyer une paroi extérieure
DE19609858A1 (de) * 1996-03-13 1997-09-18 Iren Dornier Automatische Reinigungsvorrichtung mit umsetzbaren Stützbeinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105979838A (zh) * 2013-12-18 2016-09-28 瓦斯菲·阿希达法特 具有旋转刷头之水平可延伸建物正面清理装置
CN116513755A (zh) * 2023-06-27 2023-08-01 江苏山鑫重工有限公司 一种具有带面清理功能的带式输送设备
CN116513755B (zh) * 2023-06-27 2023-10-20 江苏山鑫重工有限公司 一种具有带面清理功能的带式输送设备

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