JP2021156014A - Method for washing drain pipe of multi-story building - Google Patents

Abstract

To easily and quickly wash a vertical drain pipe of a multi-story building regardless of a number of stories.SOLUTION: The method for washing a drain pipe of a multi-story building comprises: providing a high-pressure washing vehicle 1, a washing hose 2, a winch 3 and wire 4; connecting a washing nozzle 5 at a tip of the washing hose 2 and a connecting metal fitting 6 at a tip of the wire 4 in a meeting place 104, then discharging washing water supplied to the washing hose 2 from a high-pressure pump 11 mounted on the high-pressure washing vehicle 1 from the washing nozzle 5; and pulling up the wire 4 with the winch 3. While the washing nozzle 5 that discharges the washing water toward an inner wall of a vertical drain pipe 102 rises in the vertical drain pipe 102 together with the connecting metal fitting 6, the vertical drain pipe 102 is continuously washed from the top end to the bottom end.SELECTED DRAWING: Figure 1

Description

The present invention relates to a method for cleaning a drainage pipe of a multi-story building in which the inside of a vertical drainage pipe in which the second end of a horizontal drainage pipe having the first end connected to a sewerage meeting place is connected to the lower end is cleaned with washing water.

Multi-storey buildings consisting of multiple floors are equipped with vertical drainage pipes that penetrate from the top floor to the bottom floor. Horizontal conduits on each floor are connected to the vertical drainage pipe, and the lower end of the vertical drainage pipe is connected to the second end of the horizontal drainage pipe whose first end is connected to the sewerage meeting place. The drainage on each floor flows from the conduit to the sewer from the meeting place via the vertical drainage pipe and the horizontal drainage pipe.

Since all the drainage from the conduits on each floor circulates inside a single vertical drainage pipe, the inner wall surface of the vertical drainage pipe is liable to be contaminated by the adhesion of filth mixed in the drainage. If this is left unattended, the vertical drainage pipe will be clogged and drainage on each floor will be hindered. Therefore, in a multi-story building, cleaning of the vertical drainage pipe is indispensable.

As a method of cleaning the vertical drainage pipe in a conventional multi-story building, a guide pipe that penetrates from the lowest floor to the top floor and has outlets at a plurality of positions in the vertical direction is separated from the vertical drainage pipe. Some have been installed (see, for example, Patent Document 1). In this cleaning method, the cleaning hose is pulled up from the bottom to the top in the guide pipe in order from the bottom to the top, and the cleaning hose is removed from the wire on the floor corresponding to each outlet and pulled out into the vertical drain pipe for cleaning. The work of ejecting cleaning water from the nozzle at the tip of the hose to clean the inside of the vertical drain pipe located on the neighboring floor is repeatedly performed at each outlet.

When cleaning the vertical drainage pipe by ejecting the cleaning water sent from an external pump from the nozzle of the cleaning hose, a large pump must be placed on the ground, and the nozzle at the tip of the cleaning hose connected to this pump must be placed. Must move up the vertical drainage pipe from the lowest floor. Therefore, the tip of the cleaning hose is pulled up from above via the wire, but the existing multi-story building does not have a space for connecting the wire to the tip of the cleaning hose in the vertical drainage pipe. Therefore, in the above-mentioned conventional method for cleaning the vertical drainage pipe, a guide pipe having outlets for attaching / detaching the wire to / from the tip of the cleaning hose at a plurality of positions in the vertical direction is installed separately from the vertical drainage pipe. It is supposed to be.

Japanese Unexamined Patent Publication No. 2011-042984

However, in the conventional method of cleaning the vertical drainage pipe, it is necessary to install a guide pipe different from the vertical drainage pipe in the building in advance, which not only causes a rise in construction cost but also an existing one without a guide pipe. It cannot be applied to the building of the above, and it is complicated and long because it is necessary to perform the work of attaching and detaching the wire to the washing hose and the work of pulling out the washing hose while interrupting the discharge of the washing water at multiple positions in the vertical direction. There is a problem that causes time. These problems are exacerbated and exacerbated as the height of buildings increases.

An object of the present invention is to discharge washing water from a nozzle while pulling up a wire connected to a nozzle on the side of a horizontal drainage pipe where the lower end of the vertical drainage pipe is continuous in the vertical drainage pipe. It is an object of the present invention to provide a drainage pipe cleaning method for a multi-story building in which a vertical drainage pipe can be easily and quickly cleaned regardless of the number of layers.

The method for cleaning the drainage pipe of a multi-layered building of the present invention is to drain the drainage of a multi-layered building in which the second end of the horizontal drainage pipe connecting the first end to the sewerage meeting place is connected to the lower end to clean the inside of the vertical drainage pipe. It is a pipe cleaning method, in which the connecting metal fitting attached to the tip of the wire is hung from the upper end to the lower end of the vertical drainage pipe, and the cleaning nozzle attached to the tip of the cleaning hose is drained laterally from the meeting place. The nozzle feeding process that feeds the water to the lower end via the inside of the pipe, the connecting metal fitting pulling process that discharges the cleaning water from the cleaning nozzle and pulls out the connecting metal fittings to the meeting place via the horizontal drainage pipe, and the outside of the first end. It includes a connecting step of connecting the cleaning nozzle to the connecting metal fitting at the position and a cleaning step of pulling up the wire while discharging the cleaning water from the cleaning nozzle in the vertical drainage pipe.

The connecting metal fittings that hang down from the upper end to the lower end of the vertical drainage pipe in the connecting metal fitting hanging process are generated by the cleaning water discharged from the cleaning nozzle that is sent from the meeting place to the lower end via the horizontal drainage pipe in the cleaning nozzle feeding process. , It is pulled out to the meeting place via the horizontal drainage pipe in the connecting metal fitting drawing process, and is connected to the cleaning nozzle in the connecting process. The inside of the vertical drainage pipe is cleaned by discharging the cleaning water from the cleaning nozzle while pulling up the wire in the cleaning process.

This drainage pipe cleaning method includes a state confirmation step of confirming the state inside the vertical drainage pipe before the connecting metal fitting hanging process, and the cleaning step includes cleaning water according to the state inside the vertical drainage pipe confirmed in advance in the state confirmation process. It is possible to include a first adjustment step of adjusting the water pressure and the discharge amount of the water.

The water pressure and discharge amount of the washing water in the washing step can be adjusted according to the state in the vertical drainage pipe confirmed in the state confirmation step, and the inside of the vertical drainage pipe can be efficiently washed according to the state before washing.

Further, the cleaning step may include a second adjusting step of adjusting the pulling speed of the wire according to the cleaning condition in the vertical drainage pipe.

The wire pulling speed in the cleaning process can be adjusted according to the cleaning condition during the cleaning process, and the inside of the vertical drainage pipe can be efficiently cleaned according to the cleaning condition.

By pulling up the wire connected to the cleaning nozzle on the side of the horizontal drainage pipe where the lower end of the vertical drainage pipe is continuous and discharging the cleaning water from the cleaning nozzle, the vertical drainage pipe of the existing building is layered. It can be washed easily and in a short time regardless of the number.

It is a figure which shows the 1st cleaning system used in the drainage pipe cleaning method of the multi-story building which concerns on 1st Embodiment of this invention. (A) to (C) are external views showing a cleaning nozzle, a connecting metal fitting, and a connected state of both used in a drainage pipe cleaning method of the same multi-story building. (A) to (E) are diagrams for explaining the drainage pipe cleaning method of the same multi-story building. (A) and (B) are diagrams showing another example of the connecting metal fitting. It is a figure which shows the 2nd cleaning system used in the drainage pipe cleaning method of the multi-story building which concerns on 2nd Embodiment of this invention. It is a figure which shows the state confirmation process in the drainage pipe cleaning method of the multi-story building which concerns on 2nd Embodiment of this invention. It is a figure which shows the 3rd cleaning system used in the drainage pipe cleaning method of the multi-story building which concerns on 3rd Embodiment of this invention. It is a figure which shows the 4th cleaning system used in the drainage pipe cleaning method of the multi-story building which concerns on 4th Embodiment of this invention.

Hereinafter, a drainage pipe cleaning method for a multi-story building according to an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the first cleaning system 10 used in the drain pipe cleaning method for a multi-layer building according to the first embodiment of the present invention is, for example, a high-pressure washing vehicle 1, a cleaning hose 2, and a winch 3. , The wire 4 is provided. A multi-story building is a building consisting of two or more floors.

The high-pressure washing vehicle 1 is equipped with a high-pressure pump 11. The high-pressure pump 11 supplies cleaning water to the cleaning hose 2. The flow rate and pressure of the washing water supplied from the high-pressure pump 11 to the washing hose 2 are adjustable. The cleaning hose 2 is wound around a reel 21 at an intermediate portion in the longitudinal direction, a cleaning nozzle 5 is attached to the tip thereof, and the end is connected to a discharge port 12 of the high pressure pump 11.

The winch 3 is arranged on the roof 101 of the multi-layer building 100, and winds the wire 4 around the winding cylinder 31, and the wire 4 is sent out from the winding cylinder 31 or wound around the winding cylinder 31 by the rotational force of the motor 32. The wire 4 is provided with a connecting metal fitting 6 at the tip end portion, and the end end is fixed to the winding cylinder 31.

As shown in FIG. 2A, as an example, the cleaning nozzle 5 uses a rear water discharge type that discharges cleaning water from a plurality of discharge holes 51 in an oblique direction toward the cleaning hose 2. Not only tap water but also a desired cleaning agent can be mixed in the cleaning water. An annular hook 52 is fixed to the tip of the cleaning nozzle 5 as an example.

As shown in FIG. 2B, the connecting metal fitting 6 is, for example, a so-called carabiner, which is a connecting hook, and the tip end portion of the wire 4 is wound around the small diameter portion 61 via the metal fitting 41. The gate 62 of the connecting metal fitting 6 is rotatable with the small diameter portion 61 side as a fulcrum and the large diameter portion 63 side facing inward.

As shown in FIG. 2C, the large diameter portion 63 side of the gate 62 of the connecting metal fitting 6 is rotated inward, the hook 52 of the cleaning nozzle 5 is inserted into the connecting metal fitting 6, and the large diameter portion 52 is inserted into the hook 52. By returning the gate 62 to the original position after penetrating the portion 63, the connecting metal fitting 6 and the cleaning nozzle 5 can be detachably connected to each other.

As shown in FIG. 1, the vertical drainage pipe 102 to be cleaned in the multi-layer building 100 penetrates vertically from the top floor to the bottom floor of the multi-layer building 100, and the lateral conduit 110 of each floor extends. It is connected, the upper end is exposed to the roof 101, and the lower end is connected to the second end 1032 of the horizontal drainage pipe 103 in the ground. The first end 1031 of the horizontal drainage pipe 103 is connected to the sewerage meeting place 104. The drainage on each floor of the multi-story building 100 flows out from the conduit 110 to the sewer from the meeting place 104 via the vertical drainage pipe 102 and the horizontal drainage pipe 103.

When cleaning the vertical drain pipe 102 of the multi-layer building 100, the high-pressure washing vehicle 1 is stopped in the vicinity of the meeting place 104 of the horizontal drain pipe 103 of the multi-layer building 100. The cleaning hose 2 is guided from the meeting place 104 into the vertical drainage pipe 102 via the horizontal drainage pipe 103. When the motor 32 of the winch 3 is driven to wind up the wire 4 with the connecting metal fitting 6 connected to the cleaning nozzle 5, the cleaning nozzle 5 that discharges the cleaning water supplied from the high-pressure pump 11 to the cleaning hose 2 is generated. It rises in the vertical drain pipe 102 together with the connecting metal fitting 6. The filth adhering to the inner wall of the vertical drainage pipe 102 is scraped off by the cleaning water discharged from the cleaning nozzle 5, and the inside of the vertical drainage pipe 102 is cleaned. The filth that has fallen from the inner wall of the vertical drainage pipe 102 flows into the sewer together with the washing water via the horizontal drainage pipe 103 and the meeting place 104.

In the method for cleaning the drainage pipe of a multi-layer building according to the first embodiment of the present invention, first, in the connecting metal fitting hanging step shown in FIG. After opening, a winch 3 is installed near the upper end of the vertical drainage pipe 102, and the connecting metal fitting 6 provided at the tip of the wire 4 is placed at the position of the second end 1032 of the horizontal drainage pipe 103 in the vertical drainage pipe 102. It hangs down to the matching lower end.

Next, in the nozzle feeding step shown in FIG. 3B, the cleaning nozzle 5 provided at the tip of the cleaning hose 2 is fed from the meeting place 104 to the lower end of the vertical drainage pipe 102 via the inside of the horizontal drainage pipe 103. This feeding operation can be performed manually by an operator, but it can also be performed by discharging cleaning water from the rear water discharge type cleaning nozzle 5 to give a forward propulsive force to the cleaning nozzle 5.

After that, in the connecting metal fitting drawing step shown in FIG. 3C, the cleaning water is discharged from the cleaning nozzle 5 and the connecting metal fitting 6 is pulled out to the meeting place 104 via the horizontal drain pipe 103. In the connecting metal fitting pull-out process, the cleaning water discharged from the cleaning nozzle 5 kept positioned at the lower end of the vertical drainage pipe 102 flows through the horizontal drainage pipe 103 toward the meeting place 104, and the connecting metal fitting 6 is connected to the meeting place 104. Can be pulled out. Further, by pulling out the cleaning nozzle 5 in the state of discharging the cleaning water toward the meeting place 104, the connecting metal fitting 6 is moved to the meeting place 104 together with the cleaning nozzle 5 while the water discharge force of the cleaning nozzle 5 is constantly applied to the connecting metal fitting 6. You can also pull it out.

In addition, as shown in FIG. 4A or FIG. The size may be increased so that the connecting metal fitting 6 can easily move in the lateral drain pipe 103 toward the meeting place 104 during the connecting metal fitting drawing process.

The float 64 shown in FIG. 4A is formed in a mesh shape having a large surface area by a material such as a sponge having a lower specific density than the connecting metal fitting 6 and having flexibility and hydrophobicity. In order to increase the surface area, it can be formed not only in a mesh shape but also in a spiral shape.

The resistor 65 shown in FIG. 4B is formed of a material such as a resin having a lower specific density than the connecting metal fitting 6 and having flexibility and hydrophobicity so that the surface area on the wire 4 side is large. The float 64 and the resistor 65 can also be provided at the tip of the wire 4.

The float 64 and the resistor 65 should have a shape and a size in consideration of the passability in the vertical drain pipe 102 in the nozzle feeding process, and can be removed from the connecting metal fitting 6 or the wire 4 after the connecting metal fitting drawing process is completed, which will be described later. There is no problem in cleaning the vertical drain pipe 102 in the cleaning process. Therefore, the float 64 or the resistor 65 can be attached before the connecting metal fitting hanging step, and the floating tool 64 or the resistor 65 can be removed between the connecting metal fitting drawing step and the connecting step.

After the connecting metal fitting drawing step, in the connecting step shown in FIG. 3D, the cleaning nozzle 5 and the connecting metal fitting 6 are connected in the meeting place 104 located outside the first end portion 1031 of the horizontal drain pipe 103. .. This connecting operation does not necessarily have to be performed inside the meeting place 104, and the cleaning nozzle 5 and the connecting metal fitting 6 can be pulled out of the meeting place 104.

In the cleaning step, the motor 32 of the winch 3 is driven to wind up the wire 4 while discharging cleaning water from the cleaning nozzle 5 connected to the connecting metal fitting 6. By pulling up the cleaning nozzle 5 that discharges the cleaning water from the lower end to the upper end in the vertical drain pipe 102, the inside of the vertical drain pipe 102 is continuously cleaned from the lower end to the upper end.

As described above, in the method for cleaning the drainage pipe of a multi-story building according to the first embodiment of the present invention, the connecting metal fitting 6 hanging from the upper end to the lower end of the vertical drainage pipe 102 is connected to the horizontal drainage pipe from the meeting place 104. The cleaning water discharged from the cleaning nozzle 5 sent to the lower end via the inside of the 103 can be pulled out to the meeting place 104 via the inside of the horizontal drainage pipe 103. At this time, a single wire 4 is continuously arranged between the upper end portion and the lower end portion in the vertical drainage pipe 102, which is a cleaning route, without interruption, and is cleaned by the connecting metal fitting 6 at the tip of the wire 4. The nozzle 5 is connected.

Therefore, by driving the high-pressure pump 11 and the motor 32 and pulling up the wire 4 while discharging the cleaning water from the cleaning nozzle, the cleaning work is not interrupted due to the replacement work of the wire 4 with respect to the cleaning nozzle 5. The inside of the vertical drain pipe 102 can be continuously cleaned from the lower end to the upper end.

As shown in FIG. 5, the second cleaning system 20 used in the drain pipe cleaning method for a multi-story building according to the second embodiment of the present invention has a flow rate / pressure gauge 7 on the cleaning system 10 shown in FIG. Is added, and the other configurations are the same as those of the cleaning system 10, so the same reference numerals as those in FIG. 1 are added and the description thereof will be omitted. The flow rate / pressure gauge 7 measures the flow rate and pressure of the washing water supplied from the high pressure pump 11 to the washing hose 2.

The method for cleaning the drainage pipe of a multi-story building according to the second embodiment of the present invention is the state confirmation step shown in FIG. 6, and the vertical drainage pipe 102 before the connecting metal fitting hanging step shown in FIG. The camera 8 is hung from the upper end to the lower end, and the state of adhesion of dirt to the inner wall of the vertical drainage pipe 102 is confirmed by the monitor 81 as the state before cleaning inside the vertical drainage pipe 102.

After that, the camera 8 is taken out from the vertical drain pipe 102, and the connecting metal fitting hanging step, the nozzle feeding step, the connecting metal fitting drawing step and the connecting step shown in FIGS. 3 (A) to 3 (D) are sequentially executed to perform the cleaning step. conduct. In the cleaning process, the flow rate of the cleaning water supplied from the high-pressure pump 11 to the cleaning hose 2 so that the measured values of the flow rate / pressure gauge 7 become values according to the condition in the vertical drain pipe 102 confirmed in the condition confirmation process. And the pressure is adjusted, and the rotation speed of the motor 32 of the winch 3 is adjusted so that the pulling speed of the cleaning nozzle 5 becomes a value corresponding to the state in the vertical drain pipe 102 confirmed in the state confirmation step. These adjustments correspond to the first adjustment step of the present invention.

As a result, according to the method for cleaning the drain pipe of a multi-story building according to the second embodiment of the present invention, the flow rate and pressure of the cleaning water supplied from the high-pressure pump 11 in the cleaning step and the pulling speed of the wire 4 are determined before cleaning. It can be adjusted according to the state inside the vertical drain pipe 102, and the inside of the vertical drain pipe 102 can be efficiently cleaned.

In the state confirmation step, the camera 8 can be connected to the connecting metal fitting 6 at the tip of the wire 4, and the camera 8 can be hung from the upper end to the lower end of the vertical drainage pipe 102 using the winch 3. Further, on condition that the state inside the vertical drainage pipe 102 before cleaning can be confirmed, for example, a gauge or a sensor and a recording medium for detecting the penetration diameter in the vertical drainage pipe 102 may be used instead of the camera 8 and the monitor 81. can. Further, in the first adjustment step, the adjustment of the pulling speed of the cleaning nozzle 5 can be omitted.

As shown in FIG. 7, the third cleaning system 30 used in the drain pipe cleaning method for a multi-story building according to the third embodiment of the present invention has a flow rate / pressure gauge 7 on the cleaning system 10 shown in FIG. , The camera 9 and the monitor 91 are added, and the other configurations are the same as those of the cleaning system 10, so the same reference numerals as those in FIG. 1 are added and the description thereof will be omitted. The flow rate / pressure gauge 7 measures the flow rate and pressure of the washing water supplied from the high pressure pump 11 to the washing hose 2. The camera 9 captures an image of running water in the horizontal drainage pipe 103 as a cleaning state of the vertical drainage pipe 102 during the cleaning process. The monitor 91 displays an image captured by the camera 9.

In the method for cleaning the drainage pipe of a multi-story building according to the third embodiment of the present invention, the camera 9 is arranged in the horizontal drainage pipe 103 during the cleaning step, and the amount of filth mixed in the running water in the horizontal drainage pipe 103 is determined. The cleaning status of the vertical drain pipe 102 during the cleaning process is confirmed by the monitor 91, and the cleaning supplied from the high-pressure pump 11 to the cleaning hose 2 so that the measured values of the flow rate / pressure gauge 7 become values according to the cleaning status. Adjust the water flow and pressure. Further, the rotation speed of the motor 32 of the winch 3 is adjusted so that the pulling speed of the cleaning nozzle 5 becomes a value according to the cleaning condition.

Here, the cleaning state of the vertical drainage pipe 102 during the cleaning process means a falling state of filth adhering to the inner wall of the vertical drainage pipe 102. That is, in the cleaning step, the high-pressure cleaning water discharged from the cleaning nozzle 5 peels off and drops the filth adhering to the inner wall of the vertical drainage pipe 102, and the dropped filth passes through the vertical drainage pipe 102 and the horizontal drainage pipe 103. And drain it from the meeting place 104 to the sewer together with the washing water.

Therefore, it is possible to confirm the cleaning status of whether or not the vertical drain pipe 102 is properly washed from the amount of filth mixed in the washing water flowing through the horizontal drain pipe 103 during the washing step, and the amount of filth mixed in the washing water. If the amount is small, it can be determined that the flow rate and pressure of the cleaning water are insufficient or the ascending speed of the cleaning nozzle 5 is too fast. Then, if the cleaning step is continued with the amount of filth contained in the cleaning water being small, the filth peeled from the upper inner wall in the vertical drainage pipe 102 is accumulated in the lower part in the vertical drainage pipe 102 and drained vertically. The pipe 102 may be blocked, which may interfere with the cleaning process.

Therefore, in the method for cleaning the drain pipe of a multi-story building according to the third embodiment of the present invention, the amount of filth mixed in the cleaning water flowing through the horizontal drain pipe 103 during the cleaning step is visually recognized by an image displayed on the monitor 92. The flow rate and pressure of the washing water supplied from the high-pressure pump 11 to the washing hose 2 are adjusted, and the pulling speed of the washing nozzle 5 is adjusted. These adjustments correspond to the second adjustment step of the present invention.

As a result, according to the method for cleaning the drain pipe of a multi-layered building according to the third embodiment of the present invention, the flow rate and pressure of the cleaning water supplied from the high-pressure pump 11 in the cleaning step and the pulling speed of the wire 4 are determined in the cleaning step. It can be adjusted according to the cleaning condition of the vertical drain pipe 102 inside, and the inside of the vertical drain pipe 102 can be cleaned smoothly and efficiently.

As the camera 9 and the monitor 91, the camera 8 and the monitor 81 provided in the second cleaning system 20 of the present invention can be used, and in the drain pipe cleaning method of the multi-layer building according to the second embodiment of the present invention. The second adjustment step can also be carried out in the cleaning step after the state confirmation step and the first adjustment step are carried out. Further, in the second adjusting step, the adjustment of the flow rate and the pressure of the washing water can be omitted.

Further, the position of the camera 9 is not limited to the inside of the horizontal drainage pipe 103, and the lower end of the vertical drainage pipe 102 and the meeting place 104 are provided on the condition that the amount of filth mixed in the washing water can be constantly confirmed during the washing process. It can also be placed in. However, in order to reduce the time difference between the cleaning condition and the time when the adjustment work in the second adjustment step is performed, it is desirable to arrange the camera 9 at a position close to the position of the cleaning nozzle 5 in the vertical drain pipe 102, and the vertical. The inside of the drain pipe 102 may be raised together with the cleaning nozzle 5. In addition, on condition that the cleaning status of whether or not the vertical drainage pipe 102 is properly cleaned can be confirmed, instead of the camera 9 and the monitor 91, for example, a sensor and a recording medium for measuring the amount of filth mixed in the cleaning water. Can also be used.

As shown in FIG. 8, the fourth cleaning system 40 used in the drain pipe cleaning method for a multi-story building according to the fourth embodiment of the present invention includes the second cleaning system 20 and the third cleaning system described above. A computer 401 and a memory 402 are added to the configuration of 30.

The computer 401 has an image data PWD of the state inside the vertical drain pipe 102 before cleaning captured by the camera 8, an image data DWD of the cleaning water during cleaning captured by the camera 9, and a water pressure adjustment value by manual operation in the high-pressure pump 11. The MPD and the flow rate adjustment value MFD, and the rotation speed adjustment value MDD by the manual operation of the motor 32 of the winch 3 in the motor drive unit 33 are input.

The computer 401 stores the input image data PWD and image data DWD in association with each of the water pressure adjustment value MPD, the flow rate adjustment value MFD, and the rotation speed adjustment value MDD in the memory 402. The memory 402 contains the relationship between the image data PWD and the water pressure adjustment value MPD, the flow rate adjustment value MFD and the rotation speed adjustment value MDD, and the image data DWD and the water pressure adjustment value MPD, the flow rate adjustment value MFD and the rotation speed adjustment value MDD. Remember the relationship with each.

Therefore, the memory 402 contains data on the flow rate and pressure of the washing water manually adjusted according to the state in the vertical drain pipe 102 imaged by the camera 8 before the washing step, and the pulling speed of the washing nozzle, and washing. Data on the flow rate and pressure of the washing water, which is manually adjusted according to the amount of filth mixed in the washing water imaged by the camera 9 during the process, and the pulling speed of the washing nozzle are stored.

After storing a certain amount of data in the memory 402, the computer 401 stores the water pressure adjustment value APD, the flow rate adjustment value AFD, and the rotation speed adjustment value ADD corresponding to the image data PWD input from the camera 8 before the cleaning process in the memory 402. It is read from the relationship stored in and output to the high pressure pump 11 and the motor drive unit 33. Further, the water pressure adjustment value APD, the flow rate adjustment value AFD, and the rotation speed adjustment value ADD corresponding to the image data PWD input from the camera 9 during the cleaning process are read out from the relationship stored in the memory 402, and the high pressure pump 11 and the motor are read. Output to the drive unit 33.

When the water pressure adjustment value MPD, the flow rate adjustment value MFD, and the rotation speed adjustment value MDD changed by manual operation are input during the cleaning process, the computer 401 updates the relationship stored in the memory 402. As a result, the computer 401 learns the appropriate values of the flow rate and pressure of the cleaning water according to the state in the vertical drain pipe 102 before the cleaning process and the cleaning state during the cleaning process, and the pulling speed of the cleaning nozzle.

Therefore, according to the fourth cleaning system 40, it is possible to contribute to the automation of the drain pipe cleaning work of the multi-story building. In the fourth cleaning system 40, the computer 401 at least determines the relationship between the image data PWD, the water pressure adjustment value MPD, and the flow rate adjustment value MFD, and the relationship between the image data DWD and the rotation speed adjustment value ADD in the memory 402. Anything that can be remembered will do.

It should be noted that the above embodiments are all examples, and the present invention is not limited thereto, and various modifications can be made within the scope of the present invention.

1-High pressure washer 2-Washing hose 3-Winch 4-Wire 5-Washing nozzle 6-Connecting bracket 7-Flow / pressure 8,9-Camera 10-First washing system 100-Multi-layer building 101-Rooftop 102- Vertical drain pipe 103-horizontal drain pipe 104-meeting place 110-conduit 1031-first end 1032-second end

Further, the cleaning step may include a second adjusting step of adjusting the pulling speed of the wire according to the amount of filth mixed in the cleaning water flowing through the horizontal drain pipe.

Claims (3)

It is a drainage pipe cleaning method for multi-story buildings that cleans the inside of the vertical drainage pipe where the second end of the horizontal drainage pipe with the first end connected to the sewerage hall is connected to the lower end.
The connecting metal fitting hanging process of hanging the connecting metal fitting attached to the tip of the wire from the upper end to the lower end of the vertical drainage pipe, and
A nozzle feeding step of feeding a cleaning nozzle attached to the tip of a cleaning hose from the meeting place to the lower end portion via the inside of the horizontal drainage pipe.
A process of drawing out the connecting metal fitting by discharging cleaning water from the cleaning nozzle and pulling out the connecting metal fitting to the meeting place via the horizontal drainage pipe.
A connecting step of connecting the cleaning nozzle to the connecting metal fitting at a position outside the first end portion,
A cleaning step of pulling up the wire while discharging cleaning water from the cleaning nozzle in the vertical drainage pipe.
Drainage pipe cleaning method for multi-story buildings including. A state confirmation step of confirming the state in the vertical drainage pipe is included before the connecting metal fitting hanging step.
The drainage pipe of a multi-layer building according to claim 1, wherein the cleaning step includes a first adjustment step of adjusting the water pressure and the discharge amount of the washing water according to the state in the vertical drainage pipe confirmed in the state confirmation step. Cleaning method. The method for cleaning a drain pipe of a multi-layer building according to claim 1 or 2, wherein the cleaning step includes a second adjusting step of adjusting the pulling speed of the wire according to a cleaning condition in the vertical drain pipe.

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