JP3077734B2 - Apparatus and method for discharging impurities from flowing water pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for discharging impurities contained in running water flowing through a water pipe.

[0002]

2. Description of the Related Art Generally, in a flowing water pipe, for example, a ductile cast iron pipe or the like, a mortar lining is provided on an inner surface of the pipe to prevent rust, so that the quality of water supplied to each household is guaranteed.

[0003]

However, according to the above-mentioned prior art, in order to take out a branch pipe as needed from the upstream side of the water pipe, that is, from the main pipe, drilling work on this water pipe is required. The cutting work of the running water pipe is performed. In these construction processes, metal powder is generated, and furthermore, a metal portion is exposed during drilling and cutting of the flowing water pipe, and rust is generated in this part, so there was a problem that these metal powder and rust powder flow in the flowing water pipe. .

The drilling and piping work is almost always performed underground, and sand and the like may enter the flowing water pipe, making it difficult to ensure water quality.

[0005] Therefore, an apparatus and the like having a filter member capable of trapping such contaminants in running water and removing the trapped contaminants has been developed. However, even when using these devices, since it is assumed that these devices are installed at predetermined intervals, impurities and the like having a specific gravity larger than water are actually captured by the filter mesh of the filter member. It sinks and accumulates on the bottom wall of the water pipe. The contaminants thus deposited are crushed or dissolved by running water or the like with the passage of time, and become fine particles that pass through the filter mesh as described above and are mixed into the running water. Occurs.

SUMMARY OF THE INVENTION The present invention has been made in view of such problems, and an object of the present invention is to provide an apparatus and a method for discharging contaminants in a water pipe capable of removing contaminants deposited near the bottom of the water pipe. I do.

[0007]

According to the present invention, there is provided a device for discharging contaminants in a flowing water pipe, wherein a branch pipe is disposed at a predetermined portion of the flowing water pipe, and a feeder having a guide port is attached to a tip end thereof. The guide port of the feeder has a predetermined length, and discharge means for inserting the inside of the flowing water pipe and the atmosphere is inserted therein, so that the feeder allows the inlet of the discharging means to move near the bottom of the flowing water pipe. It is characterized by:

In the apparatus for discharging contaminants in a water pipe according to the present invention, the discharging means is preferably a hollow hose made of rubber, soft resin or the like, and is preferably reinforced with steel wire or the like.

In the apparatus for discharging contaminants in a running water pipe according to the present invention, it is preferable that a working pipe having a partition plug is attached to a predetermined portion of the branch pipe.

[0010] In the apparatus for discharging contaminants in a flowing water pipe according to the present invention, it is preferable that the feeding device is constituted by two rollers for holding the hose from both sides.

In the apparatus for discharging contaminants in a water pipe according to the present invention, a guide tube for feeding out the inlet of the hose in a predetermined direction is extended from one end of the feeder. It is preferable to be able to move up and down by a lifting device.

In the apparatus for discharging contaminants in a water pipe according to the present invention, a step as a stopper is preferably formed on the outer periphery of the inlet of the hose.

[0013] In the method for discharging contaminants in a running water pipe according to the present invention, a working pipe having a partition plug is provided on a branch pipe provided at a predetermined portion of the running water pipe, and a hose of a predetermined length is further provided on the working pipe. After installing the feeding device having the device, the partition plug is opened, the hose is inserted into the water pipe by the feeding device, and the inflow port of the hose is moved near the bottom of the water tube to be able to suck and discharge impurities. It is characterized by.

According to the method for discharging contaminants of a running water pipe of the present invention, a working pipe having a partition plug is provided on a branch pipe provided at a predetermined portion of the running water pipe, and a guide tube having a hose is mounted on the working pipe. Then, after opening the partition stopper, the guide tube is lowered through the lifting device, the guide tube is inserted to the vicinity of the bottom of the water pipe, then the hose is inserted into the water pipe by the feeder, and the inlet of the hose is further inserted. Is moved near the bottom of the water pipe so that impurities can be sucked and discharged.

[0015]

According to the present invention, when the discharge means of the foreign matter inserted into the guide port of the feeding means attached to the branch pipe formed in the flowing water pipe is inserted into the flowing water pipe by the feeding means, the water pressure in the flowing water pipe causes the discharge. Water flows from the inlet into the discharge means and is discharged to the outside. At that time, the impurities deposited on the bottom of the water pipe are sucked by the discharging means and discharged together with the water.
By feeding the discharge means a predetermined distance, the bottom of the pipe in the predetermined area is cleaned, and the discharge means can be recovered to the outside by inverting the feed means.

The discharging means is a hollow hose made of rubber, soft resin, or the like, and further reinforced with steel wire or the like, so that the hose is crushed or bent by water pressure or the like in the flowing water pipe. There is no.

Since a working pipe having a partition plug is attached to a predetermined portion of the branch pipe, attachment / detachment of the contaminant discharge device can be carried out without interruption of water, and excess water flowing out during work can be prevented. Can be reduced.

Since the hose is fed by two rollers sandwiched from both sides, a reliable feeding is achieved.

A guide tube extends from one end of the feeder to feed the inlet of the hose in a predetermined direction, and the feeder and the guide tube can be moved up and down by an elevating device. In addition, the hose inlet can be reliably sent out to the vicinity of the bottom of the water pipe.

Since the step as a stopper is formed on the outer periphery of the inflow port of the hose, the hose provided in the guide port does not come off due to water pressure.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a water pipe as a flowing water pipe, and a branch pipe 2 is provided at a predetermined portion of the water pipe 1. . A working pipe 3 having a partition plug 4 is attached to a tip end of the branch pipe 2, and a feeder 6 having a hose 5 as a contaminant discharging means is attached above the working pipe 3 in a water-sealed state. ing.

It is preferable that the hose 5 is made of rubber or soft resin and reinforced with a steel wire or the like so as to be able to withstand the compression by the water pressure in the water pipe 1.

The feed device 6 is provided in accordance with FIG.
As shown in (a) and (b), a guide tube 9 having a guide port 8 in which an O-ring 7 is mounted on the inner periphery, and two side plates 1
It is constituted by two rollers 11, 11 'as a feed mechanism which is supported by 0, 10'. These two side plates 10, 10 'are attached to the guide tube 9 whose opposing sides are flat and cut off by bolts (not shown).

In order to increase the frictional resistance of the contact surface with the hose 5, the rollers 11 and 11 ′ are formed with cutouts 14 corresponding to the shape of the hose 5. Are used. A handle 16 is fixed to one end of the central shaft 15 of the roller 11, and a gear 17 is fixed to the other end. The gear 17 is meshed with a gear 19 fixed to a central shaft 18 of the roller 11 ′.
And rotate in conjunction with it.

The hose 5 is inserted into the feeding device 6 configured as described above so as to pass through between the rollers 11 and 11 ′ and further through the guide opening 8. Also,
The outer periphery of the hose 5 is sealed with an O-ring 7 in the guide port 8. Further, an annular ring 21 as a stopper is mounted on the outer periphery of the inflow port 20 at the end of the hose 5, and the annular ring 21 is locked by a step 22 formed in the opening of the guide port 7. It has become.

Next, a method and an operation of discharging foreign substances in the thus configured foreign substance discharging apparatus will be described.

As shown in FIG. 3, a working pipe 3 having a partition plug 4 which can be opened and closed by an operation rod 23 is mounted in a water-sealed state above the branch pipe 2, and a hose 5 is connected to the working pipe 3 with a guide port. The feeding device 6 housed in 8 is attached with bolts or the like. Then, by opening the partition plug 4 through the operation rod 23, the water in the water pipe 1 communicates with the atmosphere only through the hose 5, and the water pressure in the water pipe 1 causes the water to flow from the inlet 20 into the hose 5. Water enters and starts to be discharged into the atmosphere from the other end of the hose 5.

Here, it is conceivable to control the conduction of the flowing water by attaching an on-off valve to the hose 5. However, when the on-off valve is closed, there is a danger that the hose 5 will be strongly pushed back by the water pressure. It is better to use an open hose 5.

Then, the rollers 11 and 11 'are rotated via the handle 16 of the feeding device 6, and the hose 5 is lowered. When the hose 5 is inserted into the flowing water pipe 1 through the working pipe 3 and the branch pipe 2, it is pushed by flowing water pressure and descends while being bent in the flowing water direction (rightward in the drawing).
When the hose 5 is further fed, the inlet 20 of the hose 5 moves in the vicinity of the bottom in the water pipe 1 in the downstream direction, for example, by about 20 meters. During this time, the contaminants deposited on the bottom wall in the water pipe 1 are sucked together with the water from the inflow port 20, pass through the hose 5, and are discharged into the atmosphere.

After the impurities are discharged in this manner, the handle 1
When the tube 6 is turned over, the hose 5 is recovered in the opposite manner as described above.
After confirming that the annular ring 21 mounted on the outer periphery of the inflow port 20 is locked by the step 22 formed in the guide port 8, the partition plug 4 is closed via the operation rod 23, and the hose 5
After confirming that the discharge of the running water has stopped, the feeding device 6 is removed from the working pipe 3 and a lid (not shown) is attached to the working pipe 3 to complete the discharge operation of the foreign substances.

FIG. 4 is a sectional view of a foreign matter discharge device according to a second embodiment of the present invention. The different point from the foreign matter discharge device of the embodiment of the present invention is that the guide tube 24 is extended below the feeding device 6 and the guide tube 2 is moved by a lifting device 25.
4 is that the hose 5 is sent out after the hose 4 is inserted into the water pipe 1.

The apparatus for discharging contaminants according to this embodiment will be described below with reference to the drawings. Reference numeral 1 denotes a water pipe as a running water pipe, and a branch pipe 2 is provided at a predetermined portion of the water pipe 1. ing. A partition plug 4 is provided at the tip of the branch pipe 2.
A feed pipe 6 having a hose 5 as a contaminant discharge means and an elevating device 25 for elevating and lowering the guide tube 24 are attached above the working pipe 3 having a pipe.

As shown in FIGS. 5 and 6, the elevating device 25 includes a mounting table 28 having a guide port 27 for the guide tube 24 to move up and down, and columns 26 and 26 'standing upright on the upper surface thereof. Upper plate 29 fixed to the upper ends of the columns 26, 26 '
And is constituted by. The support 26 'is provided with a thread groove 35. The upper plate 29 has a hose 5
A communication port 30 is formed to allow the communication of.

The feeder 6 is mounted on the columns 26, 26 'via a through hole 31 and a screw groove 36 so as to be able to move up and down. The feeding device 6 is provided with two side plates 10 and 10 ′ above a guide tube 9 having a guide port 8, as in the above-described embodiment.
Rollers 11 and 11 ′ are mounted on the guide tube 9, and a guide tube 24 extends below the guide tube 9.

In the guide tube 24, an inlet 2 of the hose 5 is provided.
A guide hole 32 that allows the passage of the annular ring 21 attached to the outer periphery is formed, and an opening 33 of the guide hole 32 is formed.
Is formed downstream of the guide tube 24 in the flowing water direction. A seal ring 3 is provided on the inner circumference of the guide port 27 of the mounting pipe 28.
7 is mounted.

The column 26 'is rotatably fitted to the mounting base 28 and the upper plate 29, and has a handle 3 at its upper end.
4 is fixed. In addition, since the screw groove 35 formed in the support 26 'with a predetermined length and the screw groove 36 formed in the through hole 31 through which the support 26' penetrates, the handle 34 is rotated. By the feeder 6
Can be freely raised and lowered between the screw grooves 35.

The method of discharging contaminants by the contaminant discharge device of this embodiment constructed as described above will be described with reference to FIG. 7. First, a working pipe 3 attached to a branch pipe 2 provided in a running water pipe 1 is described. The elevating device 25 is mounted on the upper part via the mounting base 28. Then, the partition plug 4 is opened via the operation rod 23 of the working tube 3. The water in the running water at this time is sealed by the outer periphery of the guide tube 24 and the O-ring 37.

Then, the feeder 6 is lowered by rotating the handle 34. At this time, the guide tube 24 passes through the working pipe 3 and the branch pipe 2 together with the feeder 6, and the opening 33 of the guide pipe 24 is closed. When the water is inserted into the
2, and further communicate with the atmosphere via a hose 5. Further, water that has entered the guide hole 32 is also sealed by the outer periphery of the hose 5 and the O-ring 7.

Further, the guide cylinder 24 is lowered, and after confirming that the lowest point has reached the inner bottom of the water pipe 1, the hose 5 is fed out through the handle 16 of the feeder 6 this time. At this time, since the opening 33 is located near the bottom in the water pipe 1 and faces further downstream, the hose 5 and the inlet 20 are sent out from the opening 33 to the bottom inside the water pipe 1.

After the guide tube 24 is inserted into the running water pipe 1 as described above, the hose 5 is sent out through the through-hole 32 inside the guiding tube 24. Therefore, the hose 5 is bent particularly under the influence of the running water pressure. It is possible to reliably send the inflow port 20 to the vicinity of the inner bottom of the water pipe 1 where impurities are deposited without rolling.

Further, by sending out the hose 5, the inflow port 20 moves downstream in the vicinity of the inner bottom of the water pipe 1 while suctioning impurities together with water, as in the above-described embodiment. Then, after the inflow port 20 finishes sucking the impurities in a predetermined range, the hose 5 is recovered through the handle 16 of the feeding device 6 to the step portion 38 between the guide hole 32 and the guide port 8, and The feeding device 6 is raised to the uppermost position via the handle 34, and the partition plug 4 is closed. And lifting device 2
5 is removed, a cover (not shown) is attached, and the operation of discharging contaminants is completed.

Although the embodiment has been described with reference to the drawings, the specific configuration is not limited to the embodiment, and any changes or additions without departing from the spirit of the invention are included in the invention. It is.

For example, it is possible to direct the opening 33 of the guide hole 32 to the upstream side of the water pipe, so that impurities can be discharged even on the upstream side.

[0044]

According to the present invention, the means for discharging foreign substances inserted into the guide port of the feeding means attached to the branch pipe formed in the running water pipe,
When inserted into the water pipe by the feed means, water flows from the inlet into the discharge means and is discharged to the outside by the water pressure in the water pipe. At that time, the impurities deposited on the bottom of the water pipe are sucked by the discharging means and discharged together with the water. By feeding the discharge means a predetermined distance, the bottom of the pipe in the predetermined area is cleaned, and the discharge means can be recovered to the outside by inverting the feed means.

[0045]

[Brief description of the drawings]

FIG. 1 is an overall sectional view of a foreign matter discharge device according to an embodiment of the present invention.

FIG. 2A is a cross-sectional view of a feeding device, and FIG. 2B is a cross-sectional view taken along line AA of FIG.

FIG. 3 is a diagram illustrating an attached state of the impurity discharging device according to the embodiment of the present invention.

FIG. 4 is an overall sectional view of a foreign matter discharge device according to a second embodiment of the present invention.

FIG. 5 is a sectional view of a lifting device.

FIG. 6 is a sectional view taken along line BB of FIG. 5;

FIG. 7 is a diagram illustrating an attached state of a foreign matter discharging device according to a second embodiment of the present invention.

[Explanation of symbols]

1 water pipe (running water pipe) 2
Case 3 Working tube 4
Partition plug 5 Hose 6
Feeder 7 O-ring 8
Guideway 9 Guide pipe 10, 10 '
Side plate 11, 11 'Roller 14
Notch 15 Center axis 16
Handle 17 Gear 18
Central shaft 19 Gear 20
Inlet 21 Annular ring 22
Step 23 Operating rod 24
Guide tube 25 Elevating device 26, 26 '
Prop 27 Guideway 28
Mounting base 29 Upper plate 30
Communication port 31 Through hole 32
Guide hole 33 Opening 34
Handle 35 Screw groove 36
Screw groove 37 O-ring 38
Step

Claims (8)

(57) [Claims] 1. A branch pipe is provided at a predetermined portion of a running water pipe, and a feeder having a guide port is attached to a tip end thereof. A discharge means for communicating between the discharge means and the atmosphere is inserted, and the inflow port of the discharge means can be moved near the bottom of the water pipe by the feed device. 2. The apparatus according to claim 1, wherein the discharging means is a hollow hose made of rubber, soft resin, or the like, and further reinforced with a steel wire or the like. 3. The contaminant discharge device according to claim 1, wherein a working pipe having a partition plug is attached to a predetermined portion of the branch pipe. 4. The apparatus for discharging contaminants in a flowing water pipe according to claim 2, wherein the feeding device is constituted by two rollers for holding the hose from both sides. 5. A guide cylinder extending from one end of a feeder to feed the inlet of the hose in a predetermined direction,
5. The apparatus for discharging contaminants in a flowing water pipe according to claim 2, wherein the feeding device and the guide tube can be moved up and down by an elevating device. 6. The drainage device for a water pipe according to claim 2, wherein a step as a stopper is formed on the outer periphery of the inlet of the hose. 7. A branch pipe provided at a predetermined portion of a running water pipe is provided with a working pipe having a partition plug, and a feeder having a hose of a predetermined length is mounted on the working pipe. A foreign matter discharging method, characterized in that a foreign substance can be sucked and discharged by opening a stopper, inserting a hose into the flowing water pipe by the feeding device, and moving an inlet of the hose near the bottom of the flowing water pipe. 8. A working pipe having a partition plug is provided on a branch pipe provided at a predetermined portion of the running water pipe, a guide tube having a hose is mounted on the working pipe, and the partition plug is opened. The guide tube is lowered through the guide tube, the guide tube is inserted to the vicinity of the bottom of the water pipe, then a hose is inserted into the water pipe by a feeder attached to the guide pipe, and the inlet of the hose is further connected to the inside of the water pipe. A contaminant discharging method characterized in that the contaminant can be sucked and discharged by moving near the bottom.