JPH09215643A - Cleaning device for outer wall of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save manual work in cleaning an outer wall. SOLUTION: This cleaning device 1 comprises a brush 6 which rotates and cleans the outer wall of a building while keeping contact with it, a driving means 10 like a motor, etc., which drives the brush 6 to rotate and a casing 2 in which the brush 6 and the driving means 10 are stored and which is hung from the top of the building and pushes the brush 6 against the outer wall by its own weight.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device used for cleaning an outer wall of a building such as a building.

[0002]

2. Description of the Related Art Generally, such cleaning or cleaning is performed manually by a worker riding on an outer wall scaffold attached to a building at the time of new construction, and by suspending a bucket or the like at an existing building. It was carried out manually by an employee.

[0003]

However, manual work is inefficient, complicated, and dangerous. Especially when building a new building, it is relatively safe because of the outer wall scaffolding, but it must be dangerous because it is a work at a high place. Also, if it is already installed, it will be airborne work, which is very dangerous.

[0004]

SUMMARY OF THE INVENTION A cleaning device according to the present invention comprises a brush that rotates while contacting an outer wall of a building to clean the outer wall, a driving means such as a motor that rotationally drives the brush, and the brush. And a casing for accommodating the drive means, suspended from the top of the building, and pressing the brush against the outer wall by its own weight.

In this case, the position of the suspended casing in the height direction or the lateral direction is changed, and the entire surface of the outer wall is cleaned with a brush. By doing so, manual work by a worker can be eliminated, and cleaning work can be made very efficient and safe.

The cleaning device according to the present invention is a brush that rotates while contacting an outer wall of a building to clean the outer wall,
A driving means such as a motor for rotating the brush, a plurality of casings for accommodating the brush and the driving means, respectively, and a plurality of casings that are hung from the top of the building and press the brush against the outer wall by its own weight, and these casings. And a turning angle adjusting means for appropriately adjusting the angle formed by the casings according to the shape of the outer wall.

In recent years, there are various shapes of the outer wall of a building, but in the above-mentioned structure, the brush can be made to follow the shape, and the corresponding ability is excellent.

[0008]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a front view of a cleaning device according to the present invention, and FIG. 2 is a plan view.

As shown in the figure, the cleaning device 1 comprises two identical device units 3 each partitioned by a casing 2. These device units 3 are casings 2
It is rotatably connected by a hinge 4 near the front surface. The casing 2 has a square box shape on the front surface,
A rectangular recess 5 is formed on the front surface thereof. Recess 5
A pair of brushes 6 are accommodated in parallel in the
The front part of the is projected forward from the casing 2 by a predetermined length. The brush 6 has a normal structure in which bristles are planted on the rotary shaft 7 to form a columnar shape. The penetrating portion is watertightly sealed.

Here, the rotation directions of the brushes 6 in one device unit 3 are opposite to each other, and the configuration relating thereto will be described below.

A pulley 9 is fixed to the rotary shaft 7.
On the other hand, inside the casing 2, an electric motor 10 serving as a drive unit for rotating the brush 6 is fixed.
A pulley 12 is fixed to an upper portion of a shaft 11 of the motor 10 and a gear 13 is fixed to a lower portion thereof. The upper end of the shaft 11 is pivotally supported on the back side of the upper surface of the casing 2.

Further, inside the casing 2, there is provided a rotating shaft 14 whose both ends are pivotally supported by its upper and lower surfaces. A pulley 15 is fixed above the rotary shaft 14, and a gear 16 is fixed below the rotary shaft 14. The gear 16 is the gear 13 of the motor shaft 11.
By engaging with the gear 13 thereof, the rotation of the motor 10 is simply reversed at the same rotation speed and transmitted to the rotary shaft 14.

The pulley 12 of the motor shaft 11 is connected to the pulley 9 of the left brush 6 via a belt 18. The pulley 15 of the rotary shaft 14 is connected to the pulley 9 of the brush 6 on the right side via a belt 19.

As a result, when the motor 10 is driven in one rotation direction, the left and right brushes 6 rotate in the opposite directions at the same rotation speed.

Inside the casing 2, a vacuum pump 2 is also provided.
0 is provided, which sucks through a plurality of suction holes 21 on the front surface of the casing 2 and the suction force thereof causes the casing 2
Help the man approach the exterior walls of the building. Further, a plurality of water injection holes 22 are provided on the front surface of the casing 2.

On the upper surface of the casing 2, the casing 2
A hook 23 and a through hole 24 for suspending the water are provided, and the through hole 24 supplies a power cable to the motor 10 or the vacuum pump 20 and water (preferably containing detergent) sprayed from the water spray hole 22. A hose etc. is inserted.

Further, both casings 2 are connected by a stay-shaped connecting member 25 at the rear portion of the upper surface. The connecting member 25 is for keeping the casings 2 rotated by the hinge 4 at a desired angle. Connecting member 25
A plurality of bolt holes 26 are provided at both ends of the casing 2. By appropriately selecting and fixing the bolt holes 26 to the casing 2, the rear portions of both casings 2 are kept in a desired separated state,
The angle of the casing 2 will be fixed at the desired adjustment angle. Alternatively, the casing 2 may be provided with a plurality of bolt holes, or one of the connecting member 25 and the casing 2 may be provided with an elongated hole.

Next, the operation will be described.

As shown in FIG. 3, this apparatus is used by suspending it from the top of a building such as a building. Specifically, the hook 23
A wire 28 is locked to the wire 28, and the wire 28 is supported by a winch 29 on the roof of the building and suspended. The height of the cleaning device 1 can be changed by hoisting and lowering the winch 29, and by performing this while rotating the brush 6, the outer wall 30 can be continuously cleaned up and down. From the rooftop, the power cable and the hose are also hung down to supply power to the device 1. Especially in the casing 2, the motor 10
Since the casing 2 and the mechanism for transmitting the power thereof are housed, the casing 2 holds the brush 6 by the weight of the entire body and the outer wall 3 of the building.
Press to zero. Further, the position of the hook 23 is also selected in consideration of the center of gravity position G of the device 1 and the optimum position for pressing is selected. As a result, the brush 6 is rotated and water is ejected from the water ejection hole 22, so that the building outer wall 30 can be cleaned with the brush 6.

As described above, the manual work can be omitted, the safety is enhanced, and the outer wall cleaning can be efficiently performed.

Further, since the adjacent brushes 6 are rotated in the reverse direction, the movement of the device 1 due to the contact reaction force of the brushes 6 is prevented, the holding in the fixed position is facilitated, and the stability is improved.

Further, as shown in FIG. 1, the hook 23a
Is provided on the side and is suspended by this, and when the device 1 is rotated by 90 °, the brush 6 can be used for a long time in the left-right direction, and the wide area can be cleaned by moving up and down.

[0024] In particular, recently, there are buildings with various shapes on the outer wall, but since the angle formed by the casings 2 can be freely adjusted in the present apparatus 1, it is possible to cope with changes in the shape of the outer wall.

As shown in FIG. 4, the outer wall 30 having an arcuate cross section.
In contrast, the angle formed by the casing 2 is adjusted so that all the brushes 6 hit it. In this way, the brush 6 is made to follow the outer wall 30 and the entire surface can be hit, so that cleaning efficiency does not need to be reduced.

Also, as shown in FIG. 5, if the angles formed by the casings 2 are made right, it becomes possible to deal with the corners of the outer wall 30 and the device can be used efficiently.

As described above, in this embodiment, the hinge 4, the connecting member 25, the bolt hole 26, and the bolt 27 form a rotation angle adjusting means for appropriately adjusting the angle formed by the casings 2 according to the shape of the outer wall 30. To do.

Various other modes of the present invention are possible, and the present invention is not limited to the above modes. For example, as the rotation angle adjusting means, a combination of a hinge and a lock device that restricts the rotation of the hinge itself can be considered.

[0029]

The present invention exhibits the following excellent effects.

(1) Manual work can be omitted when cleaning the outer wall, and safety and work efficiency can be improved.

(2) The entire surface of the brush can be contacted regardless of the shape of the outer wall, the corresponding ability can be improved, and the device can be used efficiently.

[Brief description of drawings]

FIG. 1 is a front view showing a cleaning device according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a diagram showing a usage state of the cleaning device according to the present invention.

FIG. 4 is a diagram showing a usage state of the cleaning device according to the present invention.

FIG. 5 is a diagram showing a usage state of the cleaning device according to the present invention.

[Explanation of symbols]

 1 Cleaning Device 2 Casing 4 Hinge 6 Brush 10 Motor 25 Connecting Member 26 Bolt Hole 27 Bolt 30 Outer Wall

Claims (2)

[Claims] 1. A brush that rotates while contacting an outer wall of a building to clean the outer wall, a driving means such as a motor that rotationally drives the brush, the brush and the driving means, and from the top of the building. A cleaning device for an outer wall of a building, comprising: a casing that is hung and presses the brush against the outer wall by its own weight. 2. A brush that rotates while contacting an outer wall of a building to clean the outer wall, a driving unit such as a motor that rotationally drives the brush, the brush and the driving unit, and the top of the building. A plurality of casings that are suspended from each other and press the brush against the outer wall by its own weight, and the casings are rotatably connected, and the angle formed by the casings is adjusted appropriately according to the shape of the outer wall. An apparatus for cleaning an outer wall of a building, comprising: an angle adjusting unit.