JPH11277014A - Cleaning apparatus for hole to be cleaned - Google Patents

Abstract

PROBLEM TO BE SOLVED: To hygienically and surely clean a hole to be cleaned such as an exhaust duct by providing a cleaning apparatus main body under freely running condition by a running means while the inner face of the hole to be cleaned is cleaned by a cleaning means. SOLUTION: A rod 16 is advanced by actuating a cylinder device 15 and a running means 7 is moved to the outside of the side of a cleaning apparatus main body 2, thereby each belt 13 is brought into press-contact with the inner face 6a of an exhaust duct 6. In addition, a cylinder device 27 is actuated to advance a scraper 22 outward and it is brought into press-contact with the inner face 6a of the exhaust duct 6. Under this condition, the apparatus is made to automatically travel along the exhaust duct 6 while the belt 13 is rotated by means of a pair of pulleys 10a and 10b and deposit stuck and accumulated on the inner face 6a of the exhaust duct 6 is scraped by means of a scraping part 25 of a scraper 22. It is possible thereby to hygienically clean the inner face 6a over the whole length even if the distance of the exhaust duct 6 is long.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning method for cleaning an object to be cleaned which is most suitable for cleaning a hollow article, such as an exhaust duct or a ventilation opening of a building facility, which is difficult for a person to clean. It concerns the device.

[0002]

2. Description of the Related Art Conventionally, for example, soot, dust and the like tend to adhere to and accumulate in ventilation openings of building equipment such as hotels and exhaust ducts of kitchens. Therefore, it is desirable that the worker periodically cleans an opening to be cleaned such as an exhaust duct for reasons of hygiene.

[0003]

In the above cleaning,
The worker attaches a mop or scraper to the tip of the handle,
At present, attachments on the inner surface of a port to be cleaned such as an exhaust duct are removed by scraping or the like. However, it is often difficult for an operator to enter the exhaust duct or the like, and it is difficult to reliably clean an exhaust duct or the like that is long and slightly curved.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, an object of the present invention is to make it possible to clean an opening to be cleaned, such as an exhaust duct, reliably, easily and hygienically.

[0005]

The technical means taken by the present invention to solve the above-mentioned problems is that a cleaning device main body to be inserted into an opening to be cleaned, a traveling means provided in the cleaning device main body, and the like. Cleaning means for cleaning the inner surface of the opening to be cleaned, while cleaning the inner surface of the opening to be cleaned by the cleaning means,
The cleaning device main body is provided so as to be able to run freely by the running means.

When the cleaning device main body is inserted into the cleaning target port, the cleaning device main body can travel along the cleaning target port by the traveling means. In addition, during this traveling, the cleaning means cleans the inner surface of the port to be cleaned. Therefore, even if the distance to the port to be cleaned is long and curved, the entire length of the port to be cleaned is maintained by running the cleaning device body. It becomes possible to clean over.

Here, the port to be cleaned is not limited to a cylindrical one such as a ventilation port of building equipment or an exhaust duct of a kitchen, but also includes a hole that needs cleaning.

In addition, a plurality of the running means are provided in the circumferential direction of the cleaning device main body, and each running means is provided so as to be able to come and go with respect to the cleaning device main body so as to press the inner surface of the opening to be cleaned. is there. In such a case, since the traveling means can be freely expanded and contracted about the cleaning device main body, the traveling means can be brought into contact with the inner surface of the opening to be cleaned having an arbitrary shape and size, and the cleaning device main body can be securely fixed. You can run.

Further, a plurality of the cleaning means are provided in a circumferential direction of the cleaning device main body, and each cleaning means is provided so as to be able to come and go with respect to the cleaning device main body so as to contact the inner surface of the opening to be cleaned. is there. In such a case, since each cleaning means can be freely expanded and contracted around the cleaning device main body, each cleaning means can be brought into contact with the inner surface of the to-be-cleaned opening having an arbitrary shape and size, so that cleaning can be reliably performed. I can do it.

Preferably, the cleaning means comprises a scraper that slides on the inner surface of the port to be cleaned. By constituting the cleaning means with a scraper, it becomes possible to collect and collect the scraped off substances to the final position, which can be easily removed.

[0011]

Embodiments of the present invention will be described below. First Embodiment FIGS. 1 to 3 show a first embodiment of the present invention. In the drawings, reference numeral 1 denotes a cleaning device inserted into an exhaust duct 6 installed in a kitchen such as a hotel, for example. The device 1 has a cleaning device main body 2 composed of front and rear walls 3a and 3b and side peripheral walls 5 made of a rectangular plate material. The inner surface 6a of the exhaust duct 6 has a rectangular shape.

As shown in FIGS. 1 and 3, reference numeral 7 denotes running means for running the cleaning device main body 2, which is provided outside the four side peripheral walls 5 respectively. Each traveling means 7 has a pair of pulleys 10a and 10b rotatably provided on a support body 8. Pulleys 10a, 10b
Has support shafts 11 projecting from both ends thereof.
Are fixed to the support 8.

Pulley on the rear side (motor pulley) 1
A motor and a speed reducer (not shown) are built in Ob, and the pulley 10b is driven to rotate in a forward direction or a reverse direction. The pulley (driven pulley) 10a on the front side idles freely,
An endless belt 1 is attached to both pulleys 10a and 10b.
3 is wound. The driving means can be operated by a control device (not shown) by an operator from the outside of the exhaust duct 6 via a connection cord (not shown).

The traveling means 7 is moved in and out of the cleaning device main body 2 inside the side peripheral wall 5 so that the belt 13 of the traveling means 7 can contact the inner surface 6a of the exhaust duct 6. Moving means 15 is provided. The moving means 15 comprises a cylinder device, and a rod 16 thereof is connected to a substantially center of the support 8.

On each of the support members 8, there are provided a plurality of (four) guide members 18 around the rod 16 of the cylinder device 15, and each guide member 18 is provided with a guide bush 20.
And is slidably inserted into the side peripheral wall 5 through.

As shown in FIGS. 1 and 2, reference numeral 22 denotes a cleaning means for removing extraneous matter on the inner surface 6a of the exhaust duct 6, which comprises a long scraper. The scraper 22 is
A scraper body 23 having an L-shaped cross section, and an inner surface 6 of the exhaust duct 6 attached to the scraper body 23
a) and a scraping portion 25 made of a hard elastic body pressed into contact with a. In addition, as the material of the scraping portion 25, rubber, synthetic resin, or the like can be appropriately used.

A moving means 27 for moving each of the cleaning means 22 to and from the cleaning device main body 2 is provided inside the side peripheral wall 5. Such moving means 27
A rod 28 is connected to a substantially center of the moving means 27.

The scraper body 2 of the scraper 22
3, guide members 30 are provided on both sides of the rod 28 of the cylinder device 27 as centers.
Numeral 0 is slidably inserted into the side peripheral wall 5 via the guide bush 31. The rod 2 of the cylinder device 27
Numeral 8 is detachably fastened to the scraper 22 with a nut or the like, and the scraper 22 can be easily replaced with one having an arbitrary length or shape according to the size of the exhaust duct 6. FIG. 2 shows a state in which each of the scrapers 22 is closest to the cleaning device main body 2 and has a reduced diameter. Further, the cylinder devices 15, 27 of the traveling means 7 and the cleaning means 22 are provided.
Can be operated by the control device.

Next, a case where the inside of the exhaust duct 6 is cleaned using the cleaning device 1 will be described. First, the cleaning device 1 is inserted from one side of the exhaust duct 6, and at this time, the scraper 22 is positioned forward.

Next, the cylinder devices 15, 27 are operated, respectively. That is, the operation of the cylinder device 15 causes the rod 16 to advance and move the traveling means 7 to the side and outside of the cleaning device main body 2, so that each belt 13 is pressed against the inner surface 6 a of the exhaust duct 6. The cleaning device main body 2 can be fixed to substantially the center of the exhaust duct 6 in the radial direction by the traveling means 7 whose diameter has been increased in this way.

Further, by operating the cylinder device 27, the scraper 22 is advanced outward and pressed against the inner surface 6 a of the exhaust duct 6. Further, by operating the driving means of the traveling means 7, the pulleys 10a and 10b rotate the belt 13, so that the cleaning device main body 2 moves forward by itself. The cleaning device main body 2 travels along the exhaust duct 6 while scraping off the deposits attached to the inner surface 6a of the exhaust duct 6 with the scraping portion 25 of the scraper 22.

When the end position of the exhaust duct 6 is reached, the running means 7 is switched to the reverse side to move the cleaning device 2 backward to the original position. When the cleaning device 1 is moved to the other opening of the exhaust duct 6, the deposits on the inner surface 6 a of the exhaust duct 6 are gathered after being scraped off by the scraper 22 and collected on the other side of the exhaust duct 6. Since it is moved to the side, it can be easily removed and removed.

When the cleaning device 1 moves backward, the scraper 22 may be in contact with the inner surface 6 a of the exhaust duct 6. It is preferable to separate from the inner surface 6 a of the exhaust duct 6. Scraper 22
Can be replaced freely according to the size of the exhaust duct 6, and can be cleaned by one run of the cleaning device 1.

Since the scraper 22 and the traveling means 7 can move back and forth with respect to the cleaning device main body 2, when the diameter of the exhaust duct 6 is large, as shown in FIG.
Each scraper 22 and the cylinder device 15 of the traveling means 7,
By operating the scraper 27, the position of the scraper 22 may be shifted and the vehicle may travel a plurality of times.

That is, as shown in FIG. 4A, the lower scraper 22a and the left scraper 22b are in a retracted state, and the lower traveling means 7 and the left traveling means 7
Is also in a state of retreat. On the other hand, the upper scraper 22c and the right scraper 22d are separated from the cleaning device main body 2 (the advanced state), and the upper traveling means 7 and the right traveling means 7 are similarly advanced. . Therefore, when the cleaning device main body 2 is run in such a state, it is possible to reliably clean the lower left corner of the exhaust duct 6.

Next, as shown in FIG. 4B, the lower scraper 22a and the left scraper 22b are in an advanced state, and the lower traveling means 7 and the left traveling means 7
Has also advanced. On the other hand, the upper scraper 22c
And the right scraper 22d are in a retracted state, and the upper traveling means 7 and the right traveling means 7 are also in a retracted state. Therefore, when the cleaning device main body 2 is run in such a state, it is possible to reliably clean the upper right corner.

As described above, by moving the cleaning device 1 a plurality of times by shifting the position of the scraper 22, even if the diameter of the exhaust duct 6 is large, it is possible to reliably clean the entire inner surface.

Second Embodiment FIGS. 5 and 6 show a second embodiment of the present invention. Traveling means 7 for cleaning device body 2 via cylinder device 15
Is provided so as to be able to move back and forth, but in this embodiment, the inner surface 6a of the exhaust duct 6 is circular as shown in FIG. The cleaning device main body 2 is formed of a cylindrical body, and a driving unit 33 is attached to the support 8. The driving means 33 includes
A pair of front and rear wheels 35a and 35b are provided to be rotatable.

A rotation driving means 37 having a motor and the like
Is attached to the center of the front wall 3a of the cleaning device body 2. The rotation shaft 40 of the rotation driving means 37 is
, And is rotatably supported at a predetermined rotation speed.

The rotating body 41 has a cleaning means storage hole 43.
Are formed radially, and in each cleaning means storage hole 43,
A rod 45 protruding downward from the scraper 22 is inserted so as to be able to come and go. By moving the scraper 22 in the rotation direction of the rotating body 41 (the circumferential direction of the inner surface 6a of the exhaust duct 6), the scraper 22 slides on the circumferential surface of the exhaust duct 6 in the circumferential direction to scrape off the attached matter. I have.

Although each of the scrapers 22 is prevented from rotating around the rod 45, the means is not particularly limited. For example, the rod 45 may be formed in a rectangular cross section, Is inserted into the cleaning means accommodating hole 43.

The scraper 22 has a cleaning means storage hole 43.
Is urged in a protruding direction by a spring (elastic body) 48 housed therein. The force with which each scraper 22 presses the inner surface 6 a of the exhaust duct 6 is appropriately adjusted by the elastic force of the spring 48.

When the cleaning device 1 having the above configuration is used, the front and rear wheels 35a and 35b of the traveling means 7 are also used.
6B is pressed against the inner surface 6a of the exhaust duct 6, as shown in FIG. 6B, so that the cleaning device main body 2 can be positioned substantially at the center of the inner diameter of the exhaust duct 6. Further, when the rotation driving means 37 is operated, the rotating body 41 rotates,
Each of the scrapers 22 is moved by the elastic force of the spring 48.
The inner surface 6a of the exhaust duct 6 is pressed by the inner surface 6a.
In the circumferential direction. Accordingly, each of the scrapers 22 moves forward while removing the attached matter attached to the inner surface 6a of the exhaust duct 6 in the circumferential direction. Note that the scraped-off deposits remain in the exhaust duct 6, but can be removed by blowing air or the like into the exhaust duct 6.

Third Embodiment FIG. 7 shows a third embodiment of the present invention. In this embodiment, a rotary brush device 50 is employed as cleaning means. That is, the rotating brush device 50 is provided so as to be able to move back and forth by the cylinder device 27, and the rotating brush device 50 is
Are configured to rotate about the rod 28 of the cylinder device 27. In addition, the rotating brush device 50 includes the exhaust duct 6.
When the exhaust duct 6 has a circular shape, a plurality of them can be arranged radially.

The present invention is not limited to the above embodiment. For example, the exhaust duct 6 can be applied not only to the horizontal direction but also to any diagonal or vertical direction. . For example, as shown in FIG. 8, when the exhaust duct 6 is in the vertical direction, the cleaning device main body 2 is suspended by the suspending means 53 such as a wire so that the scraper 22 is directed downward, and cleaning is performed while cleaning. The device 1 is moved downward. Then, after the work is completed, the cleaning device 1 is lifted.

The port to be cleaned is not limited to an exhaust duct or a ventilation port of a building, but may be a cylindrical hollow article requiring cleaning or a hole with a closed end. Is also good.

[0037]

As described above, the present invention provides a cleaning device main body inserted into an opening to be cleaned, running means provided in the cleaning device main body, and a cleaning device for cleaning the inner surface of the opening to be cleaned. The cleaning device main body is provided so as to be freely movable by the traveling means while cleaning the inner surface of the to-be-cleaned port by the cleaning means. Can be reliably and easily cleaned.

Further, since the cleaning work can be performed while the worker is outside the opening to be cleaned, it is very hygienic.

In addition, in the case where the plurality of running means are provided in the circumferential direction of the cleaning device main body, and each running means is provided so as to be able to move back and forth with respect to the cleaning device main body so as to press the inner surface of the opening to be cleaned. Can reliably move the cleaning device body regardless of the opening shape and size of the opening to be cleaned.

Further, a plurality of the cleaning means are provided in the circumferential direction of the cleaning device main body, and each cleaning means is provided so as to be able to come and go with respect to the cleaning device main body so as to contact the inner surface of the opening to be cleaned. Can be reliably cleaned irrespective of the shape and size of the opening to be cleaned.

When the cleaning means comprises a scraper sliding on the inner surface of the opening to be cleaned, it is possible to collect the scraped off substances to the final position, and there is an advantage that the removal can be easily performed. .

[Brief description of the drawings]

FIG. 1 is a sectional side view showing a first embodiment of the present invention.

FIG. 2 is a sectional front view showing the cleaning unit.

FIG. 3 is a sectional front view showing the traveling means.

FIGS. 4A and 4B are cross-sectional rear views showing a cleaning state, respectively.

FIG. 5 is a sectional side view showing a second embodiment of the present invention.

FIG. 6A is a sectional front view showing a main part of a cleaning unit,
(B) is a sectional front view showing a main part of the traveling means.

FIG. 7 is a sectional side view showing a main part of a third embodiment of the present invention.

FIG. 8 is a sectional side view schematically showing another embodiment of the present invention.

[Explanation of symbols]

 2 Cleaning device main body 6 Port to be cleaned 6a Inner surface 7 Running means 22 Cleaning means

Claims (5)

[Claims] 1. A cleaning device main body inserted into an opening to be cleaned, a traveling unit provided in the cleaning device main body, and a cleaning unit for cleaning an inner surface of the opening to be cleaned. A cleaning device for a mouth to be cleaned, wherein the cleaning device main body is provided so as to be able to run freely by a running means while cleaning the inner surface of the mouth. 2. The cleaning device according to claim 1, wherein a plurality of the traveling units are provided in a circumferential direction of the cleaning device main body, and each of the traveling units is provided so as to be able to move back and forth with respect to the cleaning device main body so as to press an inner surface of the cleaning target port. 2. The cleaning device for an opening to be cleaned according to 1. 3. The cleaning device according to claim 1, wherein a plurality of the cleaning devices are provided in a circumferential direction of the cleaning device main body, and each of the cleaning devices is provided so as to be able to come and go with respect to the cleaning device main body so as to contact an inner surface of the opening to be cleaned. 2. The cleaning device for an opening to be cleaned according to 1. 4. A plurality of running means are provided in a circumferential direction of the cleaning device main body, and each running means is provided so as to be able to move back and forth with respect to the cleaning device main body so as to press the inner surface of the opening to be cleaned. 2. The cleaning device according to claim 1, wherein a plurality of cleaning devices are provided in a circumferential direction of the cleaning device main body, and each cleaning device is provided so as to be able to come and go with respect to the cleaning device main body so as to contact an inner surface of the opening to be cleaned. Mouth cleaning device. 5. An apparatus for cleaning a mouth to be cleaned according to claim 1, wherein said cleaning means comprises a scraper sliding on an inner surface of the mouth to be cleaned.