JPH05309347A - Cleaning device - Google Patents

Abstract

PURPOSE:To obtain a cleaning device which is capable of cleaning, draining and drying in a booth automatically and ensures an economical operation and energy saving. CONSTITUTION:The subject cleaning device consists of a nozzle unit 8 of liquid jet nozzles for cleaning 5 and air ejection pipes 6 for draining and drying, a nozzle unit lifting device and a nozzle unit running device, flexible hoses 31, 32 for supplying a liquid and air to the nozzle unit, and a hose transport device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic cleaning device for automatically cleaning and drying objects to be cleaned existing in a plurality of booths arranged side by side, booth floor surface and inner wall surface.

[0002]

[Prior Art and Problems] Generally, when performing cleaning,
In order to prevent the scattering of the cleaning liquid and the emission of harmful gases generated by the chemical reaction between the cleaning liquid and the cleaning liquid, the cleaning target is often placed in a booth equipped with drainage and exhaust equipment for cleaning. Also for various purposes (eg public toilets)
There is also a case where the inside of the booth provided independently is washed.

Conventionally, the above-mentioned cleaning work is manually carried out by an operator using a cleaning hose and a brush, or in each booth while the operator carries a portable cleaning unit comprising a pump, a hose and a cleaning liquid jet nozzle. Was to be washed. However, such work is not only labor-intensive, but also a dirty work, which puts a heavy burden on the worker and makes it difficult to secure the worker.

On the other hand, as automatic cleaning, there is one in which a cleaning device is fixed to the tank, such as a cleaning device in an industrial tank. In such a system, cleaning and cleaning are performed for a plurality of booths. It requires a drying device, which is very uneconomical.

[0005]

According to the present invention, in order to solve the above-mentioned drawbacks, "a cleaning object existing in a plurality of booths arranged side by side, booth floor surface and inner wall surface is cleaned and dried. In the apparatus, a nozzle unit consisting of several liquid ejection nozzles for cleaning and several air ejection nozzles for draining and drying, an elevating device for moving the nozzle unit in the vertical direction, and a horizontal direction of the nozzle unit. A traveling device to be moved, several flexible hoses for guiding the cleaning liquid and draining / drying air from a supply source such as a pump or a blower to the above nozzle unit, and the above flexible hose following the movement of the nozzle unit. Equipped with a hose transfer device for transferring the air, and automatically cleaning and draining / drying the booth sequentially or selectively while moving the nozzle unit. Cleaning apparatus is characterized in that so as to perform. "In which the yield.

[0006]

[Function] When cleaning and drying the objects to be cleaned, the booth floor surface, and the inner wall surface in a plurality of booths arranged side by side, first, on the rails provided at the upper part of the booth, the traveling device is moved to the target booth position. The nozzle unit attached to the lifting device is moved laterally by.

After the nozzle unit reaches the upper part of the booth to be cleaned, the traveling is stopped, and the elevating device lowers the nozzle unit into the booth. Next, after the nozzle unit descends to the cleaning start position in the booth, the cleaning liquid is jetted from the liquid jet nozzle of the nozzle unit, and the cleaning target existing in the booth and the booth floor while stopping or raising / lowering the nozzle unit Clean the surface and inner wall surface.

After the cleaning is finished, the jetting of the washing liquid is stopped, and the air is jetted from the air jetting nozzle to drain or dry the inside of the booth while the nozzle unit is stopped or raised or lowered. After the washing / drying is completed, the nozzle unit is lifted up to the upper part of the booth by the elevating device and laterally moved to the next cleaning target booth by the traveling device to perform the washing / drying by the same operation as above.

After the washing / drying work is completed, the nozzle unit is lifted to the upper part of the booth by the lifting device and laterally moved to the storage position by the traveling device for storage.

[0010]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing a state of the cleaning apparatus of the present invention when stored, FIG.
1 is a view taken along the line AA of FIG. 1, and FIG. 3 is a view showing a state during operation,
FIG. 4 shows respective views taken along the line AA of FIG. Although the figure shows an example of two booths, any number of booths may be arranged in parallel.

In the figure, the objects to be cleaned 1 and 2 (for example, toilet bowls in public toilets) are the floor surfaces 3a of booths 3 and 4,
4a, respectively. Drainage tanks 3b and 4b are provided below the booth floors 3a and 4a so that the cleaning liquid can be discharged and the draining / drying air can be discharged. The liquid jet nozzle 5 for cleaning and the air jet nozzle 6 for draining and drying are attached to the nozzle holding member 7, and constitute a nozzle unit 8 together with piping (not shown) provided on the nozzle holding member 7. ing. The nozzle unit 8 is attached to the elevating part 9 of the elevating device.

The lifting device comprises a hoisting machine 10, pin arms 11a and 11b, scissor lift type link mechanisms, roller arms 12a and 12b, pins 13a to 13f, rollers 14a and 14b, arm holding section 16, and lifting section 9. And a traveling wheel, and the chain 10a of the hoisting machine 10
Is engaged with the nozzle unit 8. The upper end of the pin arm 11a and the lower end of the pin arm 11b are rotatably attached to the arm holding part 16 and the elevating part 9 by pins 13a and 13e, respectively.

The upper end of the roller arm 12a and the lower end of the roller arm 12b have rollers 14a and 14a, respectively.
b is attached so that it can be moved in the horizontal direction by engaging with a guide (not shown) provided on the arm holding part 16 and the elevating part 9. Each arm 11
The intersections of a, 11b, 12a and 12b are pins 13b and 1
It is rotatably engaged by 3c, 13d and 13f.

When the hoisting machine 10 moves up and down the nozzle unit 8, the above-mentioned link mechanism guides the nozzle unit 8 so that the nozzle unit 8 always moves up and down in a stable state, and limits the shake and the like at the time of up and down. The wheel 17 of the lifting device has an arm holding part 16
Is rotatably attached to the rails and engages with rails 18 installed on the upper portions of a plurality of booths 3 and 4 arranged side by side so that the rails 18 can travel horizontally.

The traveling device includes a drive geared motor 19 with a brake, a sprocket 20 provided on the shaft end of the motor 19, a sprocket 21, 22 for pulling a lifting device provided on a rotary shaft (not shown), and a traction device. The chain 24 and the sprocket 21 for the rotation shaft
And a transmission chain 23 and a transmission sprocket (not shown) mounted side by side.

The transmission chain 23 includes the sprocket 20.
And a sprocket mounted on the rotation shaft of the sprocket 21 in parallel with the sprocket 21 (not shown)
To transmit power to the sprocket 21. Note that this power transmission may be performed by another transmission method such as a coupling, and the lifting device towing chain 24 has its both ends fixed to the chain connection portions 16a and 16b of the lifting device.
It engages with the sprockets 21 and 22 and pulls the lifting device.

The hose transfer device follows the movements of the pulley 25 attached to the elevating device, the pulley 26 attached to the fixed portion, and the nozzle unit 8, and the flexible hose 3
A chain 29 and a sprocket 25a for adapting the movement of the moving pulley to the moving pulley 27 and the nozzle unit 8 which are movable along the guide columns 28 so as to transfer 1, 32.
26a, 27a.

The chain 29 is composed of sprockets 25a, 2
6a and 27a are engaged, one end is connected to the nozzle unit 8 and the other end is connected to the fixing member 30. Therefore, the moving pulley 27 can move the cleaning flexible hose 31 and the air flexible hose 32 following the movement of the nozzle unit 8 with a movement amount of 1/2 of the movement amount of the nozzle unit 8. ..

The pulleys 25, 26, 27 are engaged with the cleaning liquid flexible hose 31 and the air flexible hose 32, and are rotatably attached to the central axis of the pulley. The pulleys 25, 26, 27 and the sprocket 2
5a, 26a, and 27a are configured to be independently rotatable about the central axis, and even if the pulleys and the sprockets have different pitch circle diameters, they slide between the pulleys 25, 26, 27 and the flexible hoses 31, 32. It is designed to prevent wear and abrasion.

The cleaning liquid flexible hose 31 and the air flexible hose 32 have one end connected to the nozzle unit 8 and the other end fixed to the fixing member 30 at a position close to the end, and then via a connecting pipe or the like. Pump, blower,
It is connected to a cleaning liquid such as a compressor and an air supply source for draining and drying. In the illustrated embodiment, the case where the number of moving pulleys is one is shown. However, when the number of booths arranged in parallel is large and the movement amount of the nozzle unit 8 is large, the number of moving pulleys is set to be multiple. can do.

Next, the operation of the cleaning apparatus of the present invention will be described by taking as an example the case of cleaning and drying the cleaning object 1 and the booth 3 existing in a plurality of (two in the illustrated example) parallel booths. To do. First, in a state where the nozzle unit 8 is in the retracted position (FIGS. 1 and 2), the traveling device driving brake-equipped gear motor 19 is started.

The power of the motor 19 is transmitted to the rotating shaft (not shown) of the sprocket 21 via the chain 23 to rotate the sprocket 21. A chain 24 engaged with the sprockets 21 and 22 pulls the lifting device, and the lifting device travels toward the booth 3 on the rail 18 installed above the booth. When the lifting device reaches right above the booth 3, its position is detected by a sensor such as a limit switch, and the traveling device driving brake-equipped motor 19 is stopped.

When the motor 19 is stopped, the elevating device also stops traveling. At this time, the elevating device is engaged with the motor by the chain 24 and is restrained from moving in the traveling direction. , Stop accurately at that position without overrun. While the vehicle is stopped, the lifting device always moves via the chain 29 to the moving pulley 27.
However, due to the above-mentioned reason, the position of the wheel 17 in the traveling direction is not displaced due to the slip of the wheels 17 or the like.

Next, the hoisting machine 10 of the lifting device operates to guide the nozzle unit 8 to descend in a stable state.
By combining the hoisting machine and the scissor lift type link mechanism for lifting and lowering the nozzle unit 8, it is possible to store the nozzle unit 8 compactly without providing an obstructing guide column or the like.

When the nozzle unit 8 reaches the cleaning start position, the position is detected by a sensor such as a limit switch, and the lifting device stops the descent of the nozzle unit 8. After that, the cleaning liquid supply pump was operated,
The cleaning liquid is ejected from the cleaning liquid ejection nozzle 5 of the nozzle unit 8 through the cleaning liquid flexible hose 31 to perform cleaning.

After cleaning, the air supply blower or compressor for draining / drying is operated, and the nozzle unit 8 is drained / removed via the flexible air hose 32.
Air is jetted from the drying air jet nozzle 6 to perform draining and drying. In this embodiment, at the time of cleaning / drying, the exhaust blower exhausts mist, generated gas, draining / drying air, etc. during cleaning / drying through the drainage tank 3b.

Although the above-mentioned cleaning and drying are carried out by stopping the elevation of the nozzle unit 8, the nozzle unit 8
It is also possible to wash and dry the entire wall surface 3c of the booth 3 while moving up and down. Furthermore, when the above work is completed,
The nozzle unit 8 is lifted above the booth 3 by the hoisting machine 10 of the lifting device, and then moved by the traveling device on the rail 18 to sequentially or selectively wash / boot other booths in the same operation as described above. After drying, the operation is terminated by returning to the storage position.

In the above-described operation, the chain 29 is pulled by the nozzle unit 8 as the nozzle unit 8 travels to the right and descends in the figure, and moves the movable pulley 27 upward. As a result, the flexible hoses 31 and 32 are pulled by the nozzle unit 8 without being subjected to tension by the moving pulley 27 and move following the nozzle unit 8. Also, as the nozzle unit moves to the left and rises,
The moving pulley 27 moves downward while being supported by the weight of the chain 29, and the flexible hose receives only the tension required for moving the flexible hoses 31 and 32 itself from the moving pulley 27.

[0029]

[Advantageous Effects] The present invention has the above-mentioned structure, and in a cleaning device for cleaning and drying the cleaning object, the booth floor surface, and the inner wall surface existing in a plurality of booths arranged side by side, a nozzle unit, a nozzle unit Since it is equipped with a lifting device and a traveling device, several flexible hoses, a hose transfer device, etc., it is possible to automatically and sequentially wash and drain and dry the booth without moving the nozzle unit. It was possible, economical, and labor-saving.

[Brief description of drawings]

FIG. 1 is a diagram showing a state when a cleaning device is stored.

FIG. 2 is a view on arrow AA of FIG.

FIG. 3 is a diagram similarly showing a state during operation.

FIG. 4 is a view on arrow AA of FIG.

[Explanation of symbols]

 1, 2 Cleaning target 3, 4 Booth 5 Liquid jet nozzle 6 Air jet nozzle 7 Nozzle holding member 8 Nozzle unit 9 Elevating part 10 Hoisting machine 11a, 11b Pin arm 12a, 12b Roller arm 13a-f pin 14a, 14b Roller 16 Arm support 17 Wheels 18 Rails 19 Gear motors 20 Sprockets 21, 22 Sprockets 23 Transmission chains 24 Traction chains 25 Pulleys 26 Pulleys 27 Moving pulleys 28 Guide columns 29 Chains 30 Fixing members 31 Liquid flexible hoses 32 Flexible hoses for air

Continued Front Page (72) Inventor Yukihiro Yamazaki 11-1 Haneda-Asahicho, Ota-ku, Tokyo Inside EBARA CORPORATION

Claims (4)

[Claims] 1. A cleaning device for cleaning / drying a cleaning object, a booth floor surface, and an inner wall surface existing in a plurality of booths arranged side by side, wherein several liquid jet nozzles for cleaning and draining / drying liquids are used. A nozzle unit consisting of several air jet nozzles, a lifting device for moving the nozzle unit in the vertical direction, a traveling device for moving the nozzle unit in the horizontal direction, a cleaning liquid, and a draining / drying air pump , Several flexible hoses leading from a supply source such as a blower to the nozzle unit, and a hose transfer device for transferring the flexible hose according to the movement of the nozzle unit, and sequentially moving the nozzle unit. Alternatively, the cleaning device is characterized in that the booth can be selectively cleaned and drained and dried automatically. 2. The elevating device is composed of a hoisting machine such as an electric chain block, an electric hoist, a scissor lift type link mechanism, a traveling wheel, etc., and a nozzle unit is attached to the ascending / descending part. The cleaning device according to claim 1, wherein 3. The traveling device comprises a plurality of rails provided on the upper side of a booth arranged side by side, a pulling means for the lifting device such as a chain, and the position of the lifting device moving due to the tension of a flexible hose when stopped. The cleaning device according to claim 1, wherein the cleaning device is configured by a brake means or the like that is not provided. 4. The hose transfer device comprises a plurality of pulleys for changing the direction of a flexible hose attached to an elevating device and a fixed part, and a guide column for transferring the flexible hose following the movement of a nozzle unit. The cleaning device according to claim 1, wherein the cleaning device is composed of one or several movable pulleys or the like that can move along the same.