JP3027120U - Drain pipe inner surface cleaning device - Google Patents

Abstract

(57) Abstract: An apparatus for cleaning smoothly and safely with a relatively small inner diameter and a long distance, and even if the shape, amount, and type of the objects to be cleaned that accumulate and adhere to the inside change. Is intended to provide. SOLUTION: A drainage pipe inner surface provided with a self-propelled carriage having an endless track and traveling inside the drainage pipe, an articulated arm loaded on the self-propelled carriage, and a cleaning means supported by the arm. In the cleaning device, the cleaning means is formed such that a nozzle that is sent from the surface of the hose by a hose to inject high-pressure water to the cleaning target and a nozzle that suctions the cleaning target under reduced pressure can be switched alternately. A cleaning device for an inner surface of a drainage pipe, comprising a control means for remotely controlling traveling and cleaning work of a traveling vehicle.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a device for cleaning the inner surface of a drain pipe, and more particularly to a technique for removing and cleaning sludge and shells attached to the inner surface of a steel pipe used for drainage channels of industrial water and sewers.

[0002]

[Prior art]

 In general, water used by humans in their daily lives, or water used for manufacturing industrial products in industry, or water used for cooling equipment in plants such as power plants, etc., is treated appropriately and sewered. Even after going through the drainage channel, it is discharged to nearby rivers and the sea. There are various types of sewers and drainage channels of various materials and sizes, but in recent years steel pipes (resin-coated) have been used for reasons such as durability, ease of underground burial construction, and economic efficiency. Steel pipes etc.) are often used. Although these steel pipes differ depending on the purpose of use, so-called sludge made of sludge, metal and non-metal powder, and so-called city dust such as raw dust accumulates or adheres inside the steel pipes. Then, so-called clogging may occur, and it may become impossible to secure a predetermined water channel. In addition, the deposits and adhered substances themselves may contain harmful substances related to social and environmental problems, substances that promote corrosion of steel pipes, or generate harmful gases. Therefore, these steel pipes are used by regularly cleaning the inside in order to maintain the cross section during construction of sewers and drainage channels as much as possible, or to prevent social environmental problems.

By the way, such cleaning of the inside of the steel pipe is a method of spraying or sucking high-pressure water to deposits and adhered substances to collect and remove, and when the inner diameter of the steel pipe is 700 mm or more, an operator must Work was done by entering inside, and with 700 mm or less, a simple jig was used. However, the length of the sewers and drainage channels to be cleaned is several kilometers to several hundred meters, and the number of personnel required for cleaning at one location and the period required for cleaning vary depending on the scale of the cleaning target. It was hard work, so-called 3K work.

Therefore, in recent years, in consideration of worker shortages and rising labor costs, development and research of new cleaning means aiming at rationalization of cleaning and labor saving have been actively conducted. One of the cleaning means currently used by the present inventors is a suction and removal device for sludges, which is disclosed in Japanese Patent Laid-Open No. 62-228609. It is a modified version of a bulltozer type self-propelled vehicle equipped with a hose for sucking and removing the sludge on the endless track. While running, the endless track does not come into contact with the sludge during work. The so-called outrigger mechanism is used so that it can be operated remotely.

However, since the suction removal device was originally intended for cleaning a narrow area with a working radius of about 20 m in the pit where the ceiling was opened, it is too large, and an inner diameter of 700 to 1100 mm that is frequently cleaned. However, it had the drawback that it could not be used for steel pipes, and the cleaning means was only equipped with suction removal so that the cleaning target was narrow. In particular, many of these drain pipes are often connected to a manhole with an opening diameter of about 600 mm for maintenance and inspection, and it was expected that the cleaning means would be made compact.

[0006]

[Problems to be solved by the device]

 In view of the above circumstances, the present invention provides a device having a relatively small inner diameter and a long distance, and capable of smoothly and safely cleaning even if the shape, amount, and type of a cleaning object that is deposited and adheres inside changes. Is intended.

[0007]

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the inventor diligently reviewed all the equipment for civil engineering and construction or publicly known cleaning means, and carried out research and development of cleaning means which was as rationalized as possible. The present invention was completed as a result, and has a self-propelled carriage having an endless track that runs inside a drainage pipe, an articulated arm mounted on the self-propelled carriage, and a support for the articulated arm. And a cleaning means for cleaning the inner surface of the water distribution pipe, the cleaning means comprising: a nozzle for injecting high-pressure water from a surface of the hose to the object to be cleaned and a nozzle for suctioning the object to be cleaned under reduced pressure. And a control means for remotely controlling the traveling and cleaning work of the self-propelled carriage, and a cleaning device for the inner surface of the drainage pipe. Further, the present invention is a device for cleaning the inner surface of a drainage pipe, characterized in that, in addition to the above-mentioned cleaning means, a TV camera for photographing the cleaning position and a monitor TV for observing the image on the ground are provided. Further, there is provided a high pressure water jet nozzle and a suction nozzle for removing the object to be cleaned or the object to be cleaned on the floor surface to be traveled, which is a cleaning device for the inner surface of the drain pipe, or the above cleaning water. It is also a cleaning device for the inner surface of the drainage pipe, which is characterized in that the pressure is set to 250 kg / cm ² or more.

According to the present invention, the driving part including the self-propelled carriage can be made compact, so that the manhole with an opening diameter of about 600 mm can be inserted into the drainage channel, and the unmanned working distance of 250 m (distance between manholes) can be washed. Will be able to. Further, since the pressure of the washing water is set to 250 kg / cm ² or more, most of the deposits and adhered substances can be washed and removed, including the washing in places where it could not be done due to insufficient pressure or workers. Furthermore, after cleaning, it moves forward while cleaning up, and the floor of the planned running area can remove deposits and adhered matters before running, so that the cleaning work can always be performed in a stable manner. .

[0009]

[Embodiment of device]

 FIG. 1 shows an example of a working image using the cleaning device according to the present invention. A cleaning device according to the present invention is inserted into a steel pipe 1 which is a drainage channel, for example, from a manhole 2 or the like, and is driven by a remote operation from the ground to run a self-propelled carriage 4 having a track 3 and to be sent from the ground. The high-pressure water 5 thus obtained is sprayed onto the cleaning surface, and sludge, sludge, shells and the like, or adhered matter (object to be cleaned) 6 is peeled off, crushed, and washed away to be removed. As shown in Fig. 2, the cleaning work is performed by investigating the part to be cleaned, spraying high-pressure water 5 on it, or suctioning under reduced pressure. It is performed by sucking into the car 7 or the recovery pit.

Hereinafter, the cleaning apparatus according to the present invention will be described with reference to FIG. First, the parts to be inserted into the steel pipe 1 are collectively referred to as a drive main body 18, which supports the self-propelled carriage 4 and the cleaning means (nozzle, hose) 8 and directs the cleaning means to the cleaning position. It is formed by an articulated arm 9 and a nozzle 8 for spraying a cleaning fluid (high pressure water) 5 and sucking a cleaning object 6.

The self-propelled carriage 4 also has a driving means 10 for self-propelled or for operating the articulated arm 9, which are all remotely operated according to a command from the ground. The running speed is in the range of 0 to 1000 m / hour. The articulated arm 9 is composed of a hydraulic cylinder 11 and a multi-stage frame 12, and the washing means 7 and 8 (nozzle 7 and hose 8) that support it by arbitrarily changing the direction by expansion and contraction, rotation, etc. The object 6 to be cleaned can be freely directed. Since the cleaning means 8 has different nozzle 7 shapes depending on the injection of the high-pressure water 5 and the suction of the cleaning target 6, the nozzles 7 can be replaced appropriately.

Next, a wide-angle television camera 13 is attached to the articulated arm 9 in order to find a washing position and observe the washing condition. The resulting image is displayed on the monitor TV 14 on the ground, facilitating remote operation by the operator. Further, the remote control means 15 and the control cable 16 from the remote control means 15 to the drive body 18, or the hose 8 used for supplying the high-pressure water 5 or sucking and collecting the cleaning object 6 are also connected to the drive body 18. ing.

Further, in the present invention, in order to immediately collect the object 6 to be cleaned and improve the cleaning, a floor cleaning nozzle 17 mainly for cleaning the floor is installed as shown in FIG. 4 (a). There is. The high-pressure water 5 can be supplied to the nozzle 7 by branching the water to the nozzle 7 used for the main cleaning, as shown in FIG. 4B, although a hose may be attached separately. As a result, the cleaning device can always perform cleaning work in a stable posture, and can easily travel a single working distance of about 250 m.

[0014]

[Effects of the Invention] As described above, according to the present invention, even if the shape, amount, and type of the cleaning object that has a relatively small inner diameter and a long distance and accumulates and adheres to the inside, the inside of the drainage channel is changed. It was possible to provide a device for cleaning smoothly and safely. As a result, it was possible to easily and smoothly perform the drainage channel cleaning work, which was conventionally shunned by workers as 3K work, and the running cost could be significantly reduced due to labor saving.

[Brief description of drawings]

FIG. 1 is a view showing a working situation using a cleaning device for an inner surface of a drainage pipe according to the present invention.

FIG. 2 is a diagram illustrating types of cleaning work. (A) shows the injection of high-pressure water, (b) shows the suction of the cleaning target, and (c) shows the investigation status of the cleaning target position.

FIG. 3 is a diagram showing an overall configuration of a cleaning device according to the present invention.

4A and 4B are views showing a floor cleaning nozzle of a cleaning apparatus according to the present invention, in which FIG. 4A shows a mounting state and FIG. 4B shows a route of a water supply pipe.

[Explanation of symbols]

 1 Steel Pipe (Drainage Channel) 2 Manhole 3 Endless Track 4 Self-propelled Cart 5 High Pressure Water 6 Cleaning Object 7 Nozzle 8 Hose 9 Articulated Arm 10 Drive Means 11 Hydraulic Cylinder 12 Multi-stage Frame 13 Wide-angle TV 8 Camera 14 Monitor TV 15 Control means 16 Control cable 17 Floor cleaning nozzle 18 Drive body

Claims (4)

[Scope of utility model registration request] 1. A self-propelled carriage having an endless track and traveling inside a drainage pipe, and an articulated arm mounted on the self-propelled carriage.
A device for cleaning the inner surface of a drain pipe, comprising: a cleaning means supported by the arm, the cleaning means comprising: a nozzle for injecting high-pressure water from a ground surface to inject high-pressure water to the cleaning object; and decompressing the cleaning object. The nozzle for suction is formed so that it can be switched alternately and
A cleaning device for an inner surface of a drainage pipe, comprising a control means for remotely controlling traveling and cleaning work of the self-propelled carriage. 2. The cleaning device for the inner surface of the drainage pipe according to claim 1, further comprising a television camera for photographing the cleaning position and a monitor television for observing the image on the ground, in addition to the cleaning means. 3. The inner surface of the drainage pipe according to claim 1, further comprising a high-pressure water jet nozzle and a suction nozzle for previously removing the object to be cleaned or the object to be cleaned on the planned running floor. Cleaning equipment. 4. The pressure of the washing water is 250 kg / cm ²
The cleaning device for the inner surface of the drain pipe according to any one of claims 1 to 3, which is configured as described above.