EP2397235B1 - Device for cleaning a facade - Google Patents
Device for cleaning a facade Download PDFInfo
- Publication number
- EP2397235B1 EP2397235B1 EP11004973.1A EP11004973A EP2397235B1 EP 2397235 B1 EP2397235 B1 EP 2397235B1 EP 11004973 A EP11004973 A EP 11004973A EP 2397235 B1 EP2397235 B1 EP 2397235B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- façade
- brushes
- cleaning apparatus
- sub
- frames
- 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.)
- Not-in-force
Links
- 238000004140 cleaning Methods 0.000 title claims description 39
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000003599 detergent Substances 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 7
- 230000002335 preservative effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
Definitions
- the invention relates to a façade cleaning apparatus with two sub-frames and means for displacing the sub-frames connected to the frame and two groups of brushes connected to the sub-frames and means for rotating the brushes and the façade cleaning apparatus comprises displacement means for displacing the sub-frames to and fro and passing each other in directions opposite to each other at right angles to the axles of the brushes.
- a façade cleaning apparatus according to the preamble of claim 1 is known from GB-A-1 092 728 .
- This known apparatus comprises two brushes which are each connected in rotatable fashion to an end of a swivable arm. These arms are rotatably connected with the other end to a frame and are pivoting past each other in opposite directions.
- a disadvantage of this known apparatus is that during operation and as a result of the pivoting motion the frame continually moves towards the façade and back so that the brushes cannot be shielded and dirt brushed off the façade flies around in all directions and the force with which the brushes are pushed against the façade is not constant and the façade is not cleaned evenly.
- the façade cleaning apparatus according to claim 1 of the invention is provided.
- a preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus comprises a protective hood which partially surrounds the brushes, as well as a squirting device for squirting the cleansing agent, preservative or water onto the façade, and a plurality of fans for blowing air into the protective hood.
- the protective hood is shaped such that the air is led on to the façade thereby forming an air curtain that, by means of the air flow, restricts the splashing or spraying of cleansing agent, preservative or water in any direction, and thus leads the cleansing agent, the preservative or water to the façade with minimal loss.
- a further preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus further includes further fans which are fitted to the back of the frame and by which the façade cleaning apparatus can be turned around a vertical axis so as to have the façade cleaning apparatus take up the desired position relative to the façade.
- a still further preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus comprises a plurality of pairs of guide wheels connected to the frame for guiding the apparatus along the façade during operation, where the axis of rotation of the guide wheels are parallel to the displacement direction of the sub-frames and where seen in a direction parallel to the axles of the brushes the axles of the guide wheels of each pair are at a distance from each other.
- the pairs of guide wheels are displaceable in a direction at right angles to the axles of both the brushes and the guide wheels.
- the frame with brushes is brought to a greater distance from the façade and thus obstacles on the façade may be bypassed.
- the bottom pairs of guide wheels can then be displaced independently of the top pairs of guide wheels so as to retain an equal distance to the façade in case of obstacles.
- Figs. 1, 2 and 3 show a view in front elevation, side elevation and rear elevation respectively of an embodiment of the façade cleaning apparatus according to the invention.
- the façade cleaning apparatus 1 comprises a frame 3 with rotary brushes 5, 7 connected to it.
- the brushes are divided into two groups A and B.
- Each group of brushes A, B is connected to a separate sub-frame 9, 11 which can be displaced together with the frame 3.
- the façade cleaning apparatus 1 further includes displacement means (not shown in the Figures) for displacing the sub-frames 9 and 11 to and fro and passing each other in directions C and D opposite to each other and at right angles to the axles 13 of the brushes 5, 7 (and parallel to the façade during operation).
- the façade cleaning apparatus 1 further includes a plurality of pairs of guide wheels 15 connected to the frame 3, for guiding the apparatus along the façade during operation.
- the axles 17 of the guide wheels 15 run parallel to the directions of displacement C and D of the sub-frames 9 and 11.
- the axles 17 of each pair of guide wheels 15 are present in a direction parallel to the axles 13 of the brushes 5, 7 at a distance E from each other.
- the sub-frames move in horizontal direction during the cleaning operation of façades having horizontal profiles.
- the axles of the brushes are then oriented in horizontal direction.
- the guide wheels 15 are connected to arms which are retractable and extendible in a direction at right angles to the axles of both the brushes and the guide wheels. By displacing the guide wheels of the brushes, the frame with brushes is brought to a greater distance from the façade and in this way it is possible for obstacles on the façade to be bypassed. The bottom pairs of guide wheels can then be displaced independently of the top pairs of guide wheels.
- the façade cleaning apparatus 1 further has a protective hood 19 which is partially present around the brushes 5 and 7, as well as a squirting device for squirting cleansing agent, preservative and water on to the façade.
- This squirting device comprises a plurality of nozzles 21 ( Fig. 1 ) which are present between and above the two groups of brushes.
- a plurality of fans 23 are accommodated in the protective hood and blow air into the protective hood 19 in such a way that that the air is led on to the façade thereby forming air curtains (see Fig. 1 ) which restrict the splashing or spraying of cleansing agent, preservative and water in any direction.
- the façade cleaning apparatus 1 further includes further fans 27 in the rear of the protective hood. With these further fans the façade cleaning apparatus, while being suspended from a hoisting crane and not hanging against the façade, can be turned around a vertical axis so as to obtain the desired position of the façade cleaning apparatus relative to the façade.
- the frame 3 comprises lifting lugs 29 for moving the façade cleaning apparatus in vertical direction along the façade.
- the bottom of the protective hood 19 has supports 31 on which the apparatus can be put on the ground.
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 In General (AREA)
Description
- The invention relates to a façade cleaning apparatus with two sub-frames and means for displacing the sub-frames connected to the frame and two groups of brushes connected to the sub-frames and means for rotating the brushes and the façade cleaning apparatus comprises displacement means for displacing the sub-frames to and fro and passing each other in directions opposite to each other at right angles to the axles of the brushes.
- A façade cleaning apparatus according to the preamble of
claim 1 is known fromGB-A-1 092 728 - It is an object of the invention to provide a façade cleaning apparatus of the type defined in the opening paragraph with which the façade can be cleaned evenly and with which the dirt that has been brushed off is not spread in all directions. To this end the façade cleaning apparatus according to
claim 1 of the invention is provided. By having the brushes rotate in opposite directions past each other, no resultant force is exerted on the façade as a result of the movement of the sub-frames and so no reaction force is exerted on the framework, so that the apparatus continues to be in place in horizontal direction without the need of balance weights being used. - In addition, by having the brushes in one group rotate in opposite direction to the brushes in the other group, or by having neighboring brushes in each group rotate in opposite directions, there is no resultant force exerted on the façade either because of the rotating action of the brushes. A preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus comprises a protective hood which partially surrounds the brushes, as well as a squirting device for squirting the cleansing agent, preservative or water onto the façade, and a plurality of fans for blowing air into the protective hood. The protective hood is shaped such that the air is led on to the façade thereby forming an air curtain that, by means of the air flow, restricts the splashing or spraying of cleansing agent, preservative or water in any direction, and thus leads the cleansing agent, the preservative or water to the façade with minimal loss.
- A further preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus further includes further fans which are fitted to the back of the frame and by which the façade cleaning apparatus can be turned around a vertical axis so as to have the façade cleaning apparatus take up the desired position relative to the façade.
- A still further preferred embodiment of the façade cleaning apparatus according to the invention is characterized in that the façade cleaning apparatus comprises a plurality of pairs of guide wheels connected to the frame for guiding the apparatus along the façade during operation, where the axis of rotation of the guide wheels are parallel to the displacement direction of the sub-frames and where seen in a direction parallel to the axles of the brushes the axles of the guide wheels of each pair are at a distance from each other. By selecting the distance between the guide wheels of a wheel pair to be sufficiently large, in case the façade is clad with corrugated façade plates whose ridges and grooves extend in horizontal direction there will always be one of the wheels in contact with a ridge, so that the apparatus will not pass over the façade cladding in a jolting manner.
- Preferably, the pairs of guide wheels are displaceable in a direction at right angles to the axles of both the brushes and the guide wheels. By displacing the guide wheels of the brushes the frame with brushes is brought to a greater distance from the façade and thus obstacles on the façade may be bypassed. In addition, the bottom pairs of guide wheels can then be displaced independently of the top pairs of guide wheels so as to retain an equal distance to the façade in case of obstacles.
- The invention will now be described in more detail based on an example of embodiment of the façade cleaning apparatus shown in the drawing figures, in which:
-
Fig. 1 shows a view in front elevation of an embodiment of the façade cleaning apparatus; -
Fig. 2 shows a view in side elevation of the façade cleaning apparatus shown inFig. 1 ; and -
Fig. 3 shows a view in rear elevation of the façade cleaning apparatus shown inFig. 1 . -
Figs. 1, 2 and 3 show a view in front elevation, side elevation and rear elevation respectively of an embodiment of the façade cleaning apparatus according to the invention. Thefaçade cleaning apparatus 1 comprises aframe 3 withrotary brushes separate sub-frame frame 3. Thefaçade cleaning apparatus 1 further includes displacement means (not shown in the Figures) for displacing thesub-frames axles 13 of thebrushes 5, 7 (and parallel to the façade during operation). - The
façade cleaning apparatus 1 further includes a plurality of pairs ofguide wheels 15 connected to theframe 3, for guiding the apparatus along the façade during operation. Theaxles 17 of theguide wheels 15 run parallel to the directions of displacement C and D of thesub-frames axles 17 of each pair ofguide wheels 15 are present in a direction parallel to theaxles 13 of thebrushes - The sub-frames move in horizontal direction during the cleaning operation of façades having horizontal profiles. The axles of the brushes are then oriented in horizontal direction.
- The
guide wheels 15 are connected to arms which are retractable and extendible in a direction at right angles to the axles of both the brushes and the guide wheels. By displacing the guide wheels of the brushes, the frame with brushes is brought to a greater distance from the façade and in this way it is possible for obstacles on the façade to be bypassed. The bottom pairs of guide wheels can then be displaced independently of the top pairs of guide wheels. - The
façade cleaning apparatus 1 further has aprotective hood 19 which is partially present around thebrushes Fig. 1 ) which are present between and above the two groups of brushes. A plurality offans 23 are accommodated in the protective hood and blow air into theprotective hood 19 in such a way that that the air is led on to the façade thereby forming air curtains (seeFig. 1 ) which restrict the splashing or spraying of cleansing agent, preservative and water in any direction. - In addition to the
fans 23 thefaçade cleaning apparatus 1 further includesfurther fans 27 in the rear of the protective hood. With these further fans the façade cleaning apparatus, while being suspended from a hoisting crane and not hanging against the façade, can be turned around a vertical axis so as to obtain the desired position of the façade cleaning apparatus relative to the façade. - The
frame 3 compriseslifting lugs 29 for moving the façade cleaning apparatus in vertical direction along the façade. The bottom of theprotective hood 19 has supports 31 on which the apparatus can be put on the ground. - Albeit the invention described above has been described in the foregoing with reference to an example, it will be evident that the invention is not by any manner or means restricted thereto. The extent of the invention is indeed exclusively determined by the following claims.
Claims (5)
- A façade cleaning apparatus which comprises an elongated frame (3) with two sub-frames (9,11) and means for displacing the sub-frames connected to the frame and two groups (A,B) of brushes (5,7), each group (A, B) of brushes (5, 7) being connected to a separate sub-frame (9, 11) and means for rotating the brushes (5, 7) about their axles (13), characterized in that the façade cleaning apparatus comprises displacement means for displacing the sub-frames (9,11) to and fro and passing each other in directions (C,D) opposite to each other at right angles to the axles (13) of the brushes and parallel to the façade during operation, wherein each group (A,B) of brushes comprises at least two brushes (5,7) and the direction of rotation of the brushes in one group is configured to be opposite to that of the brushes in the other group or where neighboring brushes in each group are configured to have opposite directions of rotation wherein the means for displacing the sub-frames are means for displacing the sub-frames in longitudinal direction of the frame.
- A façade cleaning apparatus as claimed in claim 1, characterized in that the façade cleaning apparatus comprises a protective hood (19) which partially surrounds the brushes (5,7), as well as a squirting device for squirting the cleansing agent onto the façade, and a plurality of fans (23) for blowing air into the protective hood in such a way and the protective hood is shaped such that the air is led to the façade thereby forming an air curtain that, by means of the air flow, restricts the splashing or spraying of cleaning agent, preservative or water in any direction, and thus leads the cleansing agent, preservative or water to the façade with minimal loss.
- A façade cleaning apparatus as claimed in claim 2, characterized in that the façade cleaning apparatus further includes further fans (27) which are fitted to the back of the frame (3) and by which the façade cleaning apparatus can be turned around a vertical axis so as to have the façade cleaning apparatus take up the desired position relative to the façade.
- A façade cleaning apparatus as claimed in any one of the preceding claims, characterized in that the façade cleaning apparatus comprises a plurality of pairs of guide wheels (15) connected to the frame (3) for guiding the apparatus along the façade during operation, where the axes of rotation of the guide wheels are parallel to the displacement direction (C,D) of the sub-frames (9,11) and where seen in a direction parallel to the axles of the brushes the axles (17) of the guide wheels of each pair are at a distance (E) from each other.
- A façade cleaning apparatus as claimed in claim 4, characterized in that the pairs of guide wheels (15) can be displaced in a direction at right angles to the axles (13,17) of both the brushes and the guide wheels.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2004906A NL2004906C2 (en) | 2010-06-17 | 2010-06-17 | WALL CLEANING DEVICE. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2397235A1 EP2397235A1 (en) | 2011-12-21 |
EP2397235B1 true EP2397235B1 (en) | 2017-08-30 |
Family
ID=43513890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11004973.1A Not-in-force EP2397235B1 (en) | 2010-06-17 | 2011-06-17 | Device for cleaning a facade |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2397235B1 (en) |
NL (1) | NL2004906C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023133615A1 (en) * | 2022-01-13 | 2023-07-20 | Melro Correa Marcelo De Freitas | Machine for cleaning façades |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1092728A (en) * | 1965-03-23 | 1967-11-29 | Garrick Lewis Littin | An improved device for use in cleaning vertical surfaces such as windows |
US4025984A (en) * | 1971-04-02 | 1977-05-31 | H. H. Robertson Company | Window wall washing device for high rise buildings |
US5465446A (en) * | 1995-01-04 | 1995-11-14 | Chang; Kai-Kuo | High-rise building cleaning machine |
US6550090B1 (en) * | 2000-06-21 | 2003-04-22 | Mongkol Jesadanont | Surface scrubbing machine |
IL195299A0 (en) * | 2008-11-16 | 2009-08-03 | Aviram Mann | Apparatus and method for continuously cleaning and painting of large surfaces end high walls |
-
2010
- 2010-06-17 NL NL2004906A patent/NL2004906C2/en not_active IP Right Cessation
-
2011
- 2011-06-17 EP EP11004973.1A patent/EP2397235B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023133615A1 (en) * | 2022-01-13 | 2023-07-20 | Melro Correa Marcelo De Freitas | Machine for cleaning façades |
Also Published As
Publication number | Publication date |
---|---|
NL2004906C2 (en) | 2011-12-20 |
EP2397235A1 (en) | 2011-12-21 |
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