KR100733293B1 - A dredgers for sewer conduit - Google Patents

Abstract

The present invention relates to a sediment dredging device in the sewage pipe, in particular, to float even sediment fixed to the bottom of the sewage pipe, the introduction of the sediment and the inflow into the transport means pump, such as preventing the inlet slot clogging of the grill is made smoothly, The present invention relates to a sewer pipe dredging device which drastically improves the dredging efficiency of sewage pipes by dredging the sediment accumulated in the entire width of the floor and collecting the remaining solids completely.

The present invention for realizing this, an introduction means comprising an impeller, a transfer means for discharging and transporting the sediment guided by the introduction means, the arm and the caterpillar mounted with the introduction means and the conveying means is flexible In the dredging device comprising a bogie is provided, the impeller of the introduction means is formed in the funnel shape, the cutter blade and the flat blade is formed in the inclination opposite to both sides based on the central portion in the longitudinal direction of the impeller shaft, The front of the grill is characterized in that the foreign material removal means for removing the inlet slot clogging of the grill.

In one embodiment according to the present invention, the foreign material removal means is provided in front of the grill, the screw cam and a guide rail is configured to include a brush that is linearly moved by the rotational movement of the screw cam, the introduction means One or more first high pressure nozzles for spraying the high pressure water to the corner of the storage chamber are installed, and one or more second high pressure nozzles for lifting the sediment at the bottom of the sewer pipe is provided in front of the grill, and the pump of the transfer means It is made of a jet pump (MJP), the solid matter collection means including a push rod detachable to the trolley and can be pulled out in the width direction to the sewer pipe is added.

Description

Sewage Pipe Dredging Device {A DREDGERS FOR SEWER CONDUIT}

1 is a schematic installation state diagram of the sewer dredging device

2 is a partially exploded perspective view of a prior application technology by the applicant

3 is a cross-sectional view of a portion of the introduction means of FIG.

4 is a partial cross-sectional view taken along the line A-A of FIG. 1 showing the arm operation of FIG.

5 is a perspective view showing the configuration of an embodiment according to the present invention

6 is a perspective view of an impeller according to the present invention;

Figure 7 is a side sectional view of the introduction means according to the invention

8A is a partial cutaway front view of FIG. 7

FIG. 8B is a detailed view of portion B of FIG. 8A

FIG. 8C is a cross-sectional view taken along the line C-C in FIG. 8B

8d is a plan view of a screwcam in accordance with an embodiment of the present invention;

9 is a front view of another embodiment according to the present invention.

Figure 10a is a perspective view of the solid state collecting means mounting state according to the present invention

10B is a state in which the push rod of FIG. 10A is expanded

10C is a cross-sectional view of the working state of FIG. 10B.

* Explanation of symbols for the main parts of the drawings

1A: Sewage pipe dredging device of the present invention

1: Prior art by the applicant 2: Sewer pipe

3; Manhole 4: Rope Winding Device

5: Collector 6: Settlement

100A; Introduction means 100 of the present invention: Introduction means of the prior art

110: impeller 113: uneven wing

113a: cutter blade 115: flat blade

120: impeller housing 121: grill

123: inlet slot 124 cutter blade

125: guide portion 130: storage chamber

150: sub-introduction portion 151: sub impeller

160: the first high pressure nozzle 170: the second high pressure nozzle

180: foreign matter removal means 181: screw cam

181a: spiral groove 182: guide rail

183: brush 184: linear mover

184a: Doljo 185: drive motor

186: wire 187: guide roller

190: pusher 200: transfer means

270: Honji Jet pump (MJP) 300: bogie

310: vehicle 350 (caterpillar); cancer

370: lift 390: rope

410: surveillance camera 600: solids collection means

610: high precision 620,630: variable rod

621,631: cylinder

The present invention relates to a sediment dredging device in the sewage pipe, in particular, to float even sediment fixed to the bottom of the sewage pipe, the introduction of the sediment and the inflow into the transport means pump, such as preventing the inlet slot clogging of the grill is made smoothly, The present invention relates to a sewer pipe dredging device which drastically improves the dredging efficiency of sewage pipes by dredging the sediment accumulated in the entire width of the floor and collecting the remaining solids completely.

The prior art is equipped with a front and rear rope mounted and moved in accordance with the operation of the ground winch winding the rope, using only a blade equipped bogie to move the sediment accumulated on the floor by the sewer pipe near the settlement or manhole formed below the manhole The sediment collected near the settlement or manhole is transferred to the ground using a pump.

However, this method has a problem of partial dredging, because the size of the truck is limited, and the sediment outside the progress area of the truck cannot be dredged in the wide bottom area of the sewage pipe.

As an alternative to this problem, the applicant has filed a Korean patent application, 10-2003-64130 (name: dredging device and method), 10-2003-0087082 (name: sewage collection pipe and sewer pipe dredging device, utility model (dual) application 20- 2003-0037690) and other applications.

The technology (1) previously filed by the present applicant is a dredging device (1), which is introduced through the manhole (3) in communication with the sewer pipe (2), as shown in FIG. Rope 390 is fastened to the front and rear of the dredging device for the movement of 1), rope winding respectively installed on the ground adjacent to the first manhole 3 and the second manhole 3 'to wind the rope 390 It comprises a device 4 and a collection tank 5 for receiving the deposits discharged from the dredging device 1. In addition, a settling basin 6 may be formed directly below the manhole 3, and the deposits transported from the dredging device 1 may be primarily pumped through or stored in the settling basin 6 to be directly connected to the pipe 7. Is discharged to the collection tank. Reference numeral 8 denotes a water return pipe returned from the collection tank, 9 a generator for supplying electric power to the dredging device, and 20 a mounting frame.

In addition, the dredging device 1 is partially exploded perspective view shown in Figure 2,

It is installed in the front and is provided with an introduction means 100 having an impeller therein, a conveying means 200 and a bogie 300 for transferring the deposits to the ground to the rear of the introduction means 100.

The introduction means 100 guides the deposits to the storage chamber by the impeller 110 including a cutter blade 113 having a grille in front and having a shredding function as shown in FIG. The suction submerged motor drive suction pump 210 or the hydraulic drive piston pump, etc. are transferred to the ground by the transfer means 200 to be able to actively carry out dredging of the deposit.

In addition, the upper part of the impeller 110 is provided with a sub-introduction unit 150 for emergency discharge of the sediment that did not pass through the inlet slot of the impeller housing when the solid inflow, the monitoring camera 410 and the lighting means is provided.

In addition, the arm 300, which can be stretched in the width direction of the sewage pipe in the bogie 300, is installed to enable dredging pipes and dredging over the entire area of the sewer pipe by allowing movement in the width direction of the sewer pipe. (See FIG. 4).

In addition, the caterpillar 310 is equipped with a driving means on the trolley 300, and the lift 370 is provided to overcome the obstacles to progression due to active forward and backward solid obstacles.

However, some inadequacies have been found in such prior application techniques.

The sediment introduced through the impeller 110 is generally introduced in the same amount in the longitudinal direction of the impeller shaft, while the sediment introduced into the storage tank 130 through the impeller is discharged through the duct connected to the pump pipe 201. In the straight-line region, the transfer discharge is made smoothly in a straight line, but the sediment introduced into the storage tank corner 132 has settled and has a problem of decreasing work efficiency (see FIG. 3).

In addition, vinyl or cloth is caught in the grill 121 to prevent the introduction of the sediment by blocking the inflow slots, and the earth and sediment layer is hard so that the initial introduction of the sediment through the grill of the introduction means is not performed smoothly. .

In addition, even after dredging, there was a problem that solids such as large stones that did not pass the inlet slot of the grill 121 remain as they are.

The present invention has been made to solve the above problems,

An object of the present invention, by the second high-pressure water nozzle to rise even sediment fixed to the bottom to the sewer pipe, the impeller wing is made of a funnel and is provided with a first high-pressure water nozzle to prevent the congestion of the corner of the storage chamber, It is to provide a dredging pipe dredging device to facilitate the introduction of the sediment and the inflow into the conveying means pump by installing the foreign matter removing means for blocking the inlet slot of the grill.

Another object of the present invention is to dredge the sediment accumulated in the entire width of the sewer pipe, and then to collect the remaining solids completely by using the push rod of the solids collection means to drastically improve the dredging efficiency of the sewer pipe dredging device. In providing.

The sewer pipe dredging device according to the present invention for achieving the above object, an impeller for guiding and crushing the sediment into the storage chamber, the impeller is accommodated, the grill is formed in the opening of the front and a plurality of inlet slots at predetermined intervals at the rear The formed impeller housing is installed, the introduction means comprising a storage chamber in which the sediment flowing through the inlet slot is temporarily stored and in communication with the discharge pipe, and the pump and discharge pipe for discharging and transporting the deposit induced by the introduction means In the dredging device comprising a conveying means, and a trolley equipped with an arm and a caterpillar, the introduction means and the conveying means is mounted and is elastically positionable,

The impeller of the introduction means has a cutter blade and a flat blade is formed in a funnel form the inclination opposite to both sides based on the central portion in the longitudinal direction of the impeller shaft,

The front of the grill is characterized in that the foreign material removal means for removing the clogging of the inlet slot of the grill.

In one embodiment according to the present invention, the foreign matter removing means provided in front of the grill, the screw cam is installed on the introduction means housing and rotated by a motor and a spiral groove is formed, and the straight line by the rotational movement of the screw cam It is preferred to include a brush to be moved.

The foreign material removing means, a linear mover is inserted into the groove of the screw cam to guide the movement is formed on one side and linearly moved by the guide rail and the wire is connected to both sides on the other side, the linear mover and brush One or more guide rollers for connecting the wires and the wires connected to both sides, and fixed to the wire interlocked with the linear mover and is configured to include a brush moved to the left and right in close contact with the grill front.

Two lines of wires are fixed to both sides of the linear mover, and two wires of wires may be fixed to both sides of the brush.

Wires are respectively installed on both sides of the linear mover, and one side of different brushes is fixed to the wires on both sides, and the connection wires are installed to maintain tension between the brushes, and two or more brushes may be installed.

The spiral groove line of the malleable screw cam is preferably formed in an infinity shape so that the linear mover coupled thereto is reciprocated.

In one embodiment according to the invention, the introduction means is provided with at least one first high pressure nozzle for sprinkling high pressure water in the corner of the storage chamber.

In one embodiment according to the invention, at least one second high-pressure water nozzle is provided in front of the grill of the introduction means for floating the sediment of the bottom to the sewer pipe.

In one embodiment according to the invention, the pump of the conveying means is called a mixed jet pump (a plunger pump is a so-called MJP of a method of transporting the surrounding objects with the fluid by injecting the fluid with a small amount of compressed air at high pressure) Losing pump).

As an embodiment according to the present invention, the solid matter collecting means including a push rod detachable to the trolley and withdrawable in the width direction of the sewer pipe is added.

The push rods of the solids collection means are each formed with a water supply slot , a high precision rod fixed to the frame, and a first variable push rod and a second variable push rod installed to overlap with the high precision rod and drawn out to both sides by the operation means. do.

The frame of the solids collection means is formed with a guide rail for sliding the first variable second and the second variable mill, the arm and the surveillance camera and lighting means that can be protruded in the width direction of the sewer pipe is mounted, the towing rope fixing portion in front Can be formed.

Hereinafter, with reference to the accompanying drawings an embodiment of the sewer pipe dredging apparatus of the present invention will be described in more detail.

Figure 5 is a perspective view showing the configuration of one embodiment of the sewer pipe dredging apparatus 1A according to the present invention, Figure 6 is a perspective view of an impeller of one embodiment according to the present invention, Figure 7 is an introduction means 100A of an embodiment according to the present invention Is a cross-sectional side view.

5 to 7, the sewer pipe dredging device 1A according to the present invention includes an impeller 110 for guiding and crushing sediment into the storage chamber 130, and the impeller is accommodated and the grill 121. The impeller housing 120 is formed in the opening of the front and formed with a plurality of inlet slots 123 at predetermined intervals, and the sediment flowing through the inlet slot 123 is temporarily stored and is discharged from the discharge pipe 250. Introduction means comprising a storage chamber 130 in communication with, a transfer means including a pump and discharge pipe for discharging and transporting the sediment guided by the introduction means, the introduction means and the transfer means is mounted and stretched The arm 350 and the caterpillar 310 that can be set is configured to include a bogie 300,

The impeller of the introduction means (100A) is a cutter blade 113 and the flat blade 115 is formed in a funnel type inclined to both sides relative to the central portion (C) in the longitudinal direction of the impeller shaft, the grill ( 121) the front is provided with a foreign material removal means 180 to solve the blockage of the inlet slot of the grill.

The impeller shaft 112 of the introduction means 100A may be formed in a polygonal shape.

The impeller wing has an uneven wing 113 with a cutter blade 113a formed at the distal end portion thereof, and a flat wing 115 with a flat cutter blade 115a having a shorter radius of rotation than the uneven wing is alternately radial. Is provided, the impeller housing 120 is provided with a cutter blade 124 corresponding to the uneven wing.

The impeller blades 113 and 115 of such a configuration are inclined to both sides with respect to the central portion of the axial length so that the sediment is driven to the central portion C and is concentrated to the front of the discharge hole 131 of the storage chamber. The inflow into the means pump 270 is made smooth.

As illustrated in FIGS. 7 to 8D, the foreign matter removing unit 180 provided in front of the grill 121 is installed on the introduction unit housing 101 and is rotated by the motor 185 and spiral grooves 181a. The screw cam 181 is formed, and the brush 183 is linearly moved by the rotational movement of the screw cam 181 is configured. Forward and reverse rotational drive of the motor can also be presented in a possible way.

In one embodiment according to the present invention, the foreign material removing means 180 is inserted into the spiral groove 181a of the screw cam 181, the protrusion 184a for guiding movement is formed on one side and the guide rail ( A straight line mover 184 which is linearly moved by the 182 and the wire 186 is connected to both sides, and a wire 186 and a guide of the wires connecting the straight line 184 and the brush 183 to both sides. With one or more guide rollers 187. The brush 183 is fixed to the wire 186 and interlocked with the linear mover 184 and moved left and right in close contact with the grill 121.

The wire 186 is fixed to at least two lines on both sides of the linear mover 184 so that the wires 186 having a total of four or more lines are maintained in tension, and each of the wires 186 is formed of the brush 183. It is fixed on both sides.

The spiral groove 181a line of the malleable screw cam 181 is preferably formed in an infinite shape such that the linear mover 184 coupled thereto is reciprocated (see FIG. 8D).

The operation of the foreign matter removing means 180 is made as follows.

When the screw cam 181 is rotated by the motor 185, the linear mover 184 in which the protrusion 184a is inserted into the spiral groove 181a of the screw cam is held by the linear guide rail 182 on the other side. Linear movement. At the same time, both ends of the wire 186, one end of which is fixed to the linear mover 184 and the other end of the brush 183 is fixed, is pulled on one side and the other side accompanies to move the brush 183. At this time, the brush 183 is moved while maintaining the close contact with the front surface of the grill 121 is made of a streamline by fixing the upper both sides and the lower both sides by the wire 186.

In addition, since the line of the spiral groove 181a of the malleable screw cam 181 is formed in an infinite shape, the linear mover 184 may move the stroke distance at both sides of the spiral groove line while the motor 185 is rotated in one direction. Reciprocating movement is repeated to move the brush 183 left and right, and to remove foreign substances such as vinyl or cloth to prevent the inlet slot of the grill 121 is blocked.

In addition, as illustrated in FIG. 9, two or more brushes 183 may be installed at predetermined intervals. In more detail, the linear mover 184 is provided with wires on both sides as in the case of installing one brush, one side of the different brush 183 is fixed to the wires on both sides, and the two or more brushes 183 The connecting wire 186a is installed in the liver. This configuration shortens the forward and reverse rotation period of the motor and increases the foreign matter removal efficiency. At this time, the stroke length of the line of the spiral groove 181a of the screw cam 181 is shortened in proportion to the number of brushes 183.

Brush 183 of the foreign matter removing means may be configured to reciprocate by a wire wound by a forward and reverse rotation motor not shown.

In addition, the introduction means (100A) is preferably one or more first high-pressure water nozzle 160 for spraying high-pressure water in the corner of the storage chamber 130 is installed (see Fig. 7, 8a). The first high pressure water nozzle 160 is installed at both sides of the storage chamber 130 so that high pressure injection is made toward both corners so that the sediment settled in the corners may be introduced into the pump of the transfer means. Here, the first high pressure nozzle 160 may be installed at four corners at both sides of the storage chamber 130 and below and at both sides.

In addition, the grill 121 of the introduction means (100A) is preferably provided with at least one second high pressure nozzle 170 for floating the sediment of the bottom to the sewer pipe (see Fig. 7, 8a).

The second high-pressure water nozzle 170 breaks down the hard sediment layer by spraying the high pressure water toward the bottom surface of the sewer pipe in front of the grill 121 so that the sediment can be smoothly introduced.

The pump of the conveying means (200A) may be composed of an underwater motor driving suction pump equipped with an impeller operated by an underwater motor or a hydraulically driven piston pump using hydraulic pressure, and may be composed of a mixed gas jet pump (MJP) 270. . The mixed gas jet pump (MJP) 270 is induced by the high pressure flow rate flowing from the outside through the high pressure water pipe 271 to discharge the sediment, and has the advantage of simple structure and small volume by eliminating the motor and the impeller. .

As an embodiment according to the present invention, the solid matter collecting means 600, which is attached to and detached from the trolley 300 and which can be pulled out in the width direction of the sewer pipe, is added.

10A is a perspective view of a state in which the solids collecting means 600 according to the present invention is mounted, FIG. 10B is a state in which a push rod is expanded in FIG. 10A, and FIG. 10C is a working cross-sectional view of the solids collecting means.

The push rods of the solids collecting means 600 are each formed with water passing slots, and are provided with high precision rods 610 fixed to the frame 601 and overlapped with the high precision rods 610 and drawn out to both sides by the operation means. Preferably, the first variable push rod 620 and the second variable push rod 630 are configured. The operating means of the first variable mill 620 and the second variable mill 630 may consist of cylinders 621 and 631. The two cylinders 621 and 631 may be arranged up and down.

The frame 601 of the solids collecting means 600 is formed with a guide rail for sliding the first variable mill 620 and the second variable mill 630, as in the introduction means (100A) sewer pipe The arm 350, the surveillance camera 410 and the lighting means which can be sunk in the width direction are mounted, and the towing rope fixing part 650 is preferably formed in the front.

It looks at the action and dredging method of the sewer pipe dredging device (1A) according to the present invention having such a configuration.

Before the dredging device 1A according to the present invention is introduced into the sewer pipe, a preliminary work is performed to collect large solids scattered under the manhole. Such preliminary work is a stop work for stably landing the dredging device, and the collection work of such solids is a technique proposed by the applicant (Application No.:10-2004-0025088, name: Sewer pipe dredging auxiliary device and dredging method thereof). By the bucket mounted on the lifting frame unit.

This dredging device is installed in the sewer pipe (2) with the towing rope 390 is mounted on the front and rear of the bogie 300 after the solids below the manhole including the settlement is collected by the preliminary work flow The second high-pressure water nozzle 170 installed on the top of the grill 121 while moving in a direction opposite to the jet is sprayed toward the bottom of the sewage pipe so that the sediment stuck to it is also floated and introduced through the grill 121 of the introduction means. Be sure to

At this time, foreign matters such as vinyl or cloth mixed in the sediment are inserted into the grill 121 to block the inflow slot, thereby preventing the introduction of the sediment, and the brush 183 of the foreign material removing means 180 is repeatedly repeatedly. The smooth introduction is continuously performed by dropping these foreign materials while moving from side to side.

The deposit introduced through the grill 121 is introduced into the storage chamber 130 by the rotation of the impeller 110. In this process, the coarse sludge is crushed by the cutter blades 113 and the cutter blades 113a and 124 of the impeller housing 120 and introduced into the conveying means 200A, and the slot 123 of the impeller housing 110 is opened. Solids that do not pass through are introduced into the temporary storage through the sub-introduction unit 150.

At this time, the cutter blade 113 and the flat blade 115 of the impeller is formed in a funnel to drive the sediment to the central portion (C) to the storage chamber 130, that is, the discharge hole 131 directly connected to the pump of the transfer means Guide the unit to ensure a smooth discharge.

In addition, the first high-pressure water nozzle 160 is a high-pressure injection toward both corners of the storage chamber 130 to lift the sediment introduced into the corner of the storage chamber 130 to prevent the accumulation of deposits accumulated in the corner and pump The introduction to 270 is made smoothly.

In addition, the pump of the conveying means 200 adopts the mixed gas jet pump (MJP) 270 in suctioning and discharging the deposits of the storage chamber to enhance the conveying capacity and to have a small volume, easy handling, and simple configuration. There are many advantages to maintenance.

The introduction means 100A, the pump, and the arms 350 on both sides of the wanderable side reciprocate the bottom of the sewage pipe two or more times to completely dredge the sewage collection pipe and the sediment deposits in the sewage pipe. Soil sediment was dredged in this way, the bottom of the sewer pipe is still a large solids that have been pushed to the side of the dredging truck still do not pass through the inlet slot of the grill 121 remains.

When the sediment sediment dredging is completed, the dredging device (1A) is lifted to the ground to separate the introduction means (100A) and the transfer means 200 from the bogie 300, and then equipped with the solids collection means (600) sewage pipe (2) Put it in.

Next, the first variable push rod 620 and the second variable push rod 630 are extended to both sides of the high precision push rod 610 by operating the pistons 621 a and 631 a of the cylinders, which are operating means thereof. Then, the arm 350 is drawn out so that the rollers 355 provided at the front end of the rollers 355 respectively reach the both side walls of the sewer pipe 2 so that the arms 350 can slide on both sides of the arm 350 in the same direction as the flow direction of the sewage. The bogie moves (see FIG. 10C). Accordingly, the rods 610, 620, 630 sweep the entire width of the floor through the sewer pipe and drive the solids remaining on the floor to the sinking area under the manhole like a bulldozer.

Then, the solid collected in the settled land is lifted to the ground by the bucket mounted on the lifting frame unit of the technology proposed by the applicant (Application No.:10-2004-0025088, name: sewer pipe dredging auxiliary device and dredging method). .

In the present invention, the second high-pressure water nozzle 170 also floats the sediment fixed to the bottom by a sewer pipe, and the wings of the impeller 110 are made of a funnel, and the first high-pressure water to prevent the congestion of the corner of the storage chamber. The nozzle 160 is provided, and also, the foreign matter removing means 180 is provided on the grill to prevent foreign substances such as vinyl from blocking the inlet slot of the grill so that the inflow of the deposit and the inflow into the conveying means pump can be made smoothly. do.

In addition, after dredging the entire width of the floor while moving in the bottom width direction to the sewer pipe using the arm 350, to the remaining solids using the rods 610, 620, 630 of the solids collection means 600. Allow for clean collection so that sediment dredging to sewer lines is carried out perfectly.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, but should be interpreted as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

As described in detail above, the sewer pipe dredging apparatus according to the present invention,

A second high pressure nozzle is used to float sediment fixed to the bottom of the sewage pipe, and the wing of the impeller is made of a funnel, and a first high pressure nozzle for preventing the congestion of the corner of the storage chamber is provided. Since the foreign matter removing means is installed, the introduction of the sediment and the inflow into the conveying means pump can be made smoothly.

In addition, after dredging the entire width of the sewage pipe without dredging, the remaining solids are collected cleanly by using the push rod of the solids collection means, and dredging of the sewage pipes is completed perfectly and drastically improves the dredging efficiency.

Claims (15)

In order to guide the sediment into the storage chamber and to crush the impeller 110 including a cutter blade and a flat blade, the impeller is accommodated, the grill 121 is formed in the opening of the front and a plurality of inlet slots at predetermined intervals in the rear ( An introduction means including an impeller housing 120 having a 123 formed therein and including a storage chamber 130 in which deposits introduced through the inflow slot 123 are temporarily stored and in communication with the discharge pipe; A conveying means including a pump and a discharge pipe for discharging and depositing the deposit, and a trolley 300 having the introduction means and the conveying means mounted thereon and having an elastically positionable arm 350 and a caterpillar 310. In the dredging device constituted by The impeller of the introduction means (100A) has a cutter blade 113 and the flat blade 115 is formed in a funnel shape in which the inclination is formed opposite to both sides based on the central portion of the impeller shaft longitudinal direction, The sewer pipe dredging device, characterized in that the front of the grill 121 is provided with a foreign material removal means 180 to eliminate the blockage of the inlet slot of the grill. The method of claim 1, Sewage pipe dredge device, characterized in that the impeller shaft 112 of the introduction means (100A) is formed in a polygonal shape. The method of claim 1, The foreign material removing means 180 provided in front of the grill 121 is installed on the upper portion of the introduction means housing and is rotated by a motor 185 and a screw cam 181 formed with a spiral groove 181a, and the screw cam. Sewage pipe dredging device characterized in that it comprises a brush (183) that is linearly moved by the rotational movement of (181). The method according to claim 1 or 3, The foreign material removing means 180, A linear mover 184 is inserted into the spiral groove (181a) of the screw cam 181 is formed on one side and is linearly moved by the guide rail and the wire is connected to both sides on the other side, and One or more guide rollers 187 for guiding the wires 186 and wires for connecting the linear mover 184 and the brush 183 to both sides; The sewer pipe dredging device, characterized in that it is fixed to the wire 186 and interlocked with the linear mover (184) and comprises a brush (183) to move left and right in close contact with the grill 121 in front. The method of claim 4, wherein The linear mover 184 is a sewer pipe dredging device, characterized in that the wire 186 is fixed to at least two lines on both sides, respectively, the two or more wires 186 are fixed to the upper and lower sides of both sides of the brush (183). The method of claim 4, wherein Wires are respectively installed on both sides of the linear mover 184, and one side of different brushes 183 is fixed to the wires on both sides, and the connection wires 186a are installed between the brushes 183 to maintain tension. Dredging device as a sewer pipe, characterized in that more than one brush (183) is installed. The method of claim 4, wherein Spiral groove (181a) line of the screw cam (181) is a sewer pipe dredging device, characterized in that formed in an infinite shape to reciprocate the linear mover 184 is coupled thereto. The method of claim 4, wherein Brush (183) of the foreign material removal means is a sewer collecting pipe and sewer pipe dredging device, characterized in that configured to reciprocate by a wire wound by the forward, reverse rotation motor. The method of claim 1, The introduction means (100A) is a sewer pipe dredging device, characterized in that one or more first high-pressure water nozzle 160 for spraying the high pressure water in the corner of the storage chamber 130 is installed. The method of claim 1, The grill 121 of the introduction means (100A) in front of the sewer pipe dredging device, characterized in that one or more second high-pressure water nozzle (170) for floating the sediment of the bottom to the sewer pipe is provided. The method of claim 1, The pump of the transfer means (200A) is a sewage pipe dredging device, characterized in that made of a mixed jet pump (MJP) (270). The method of claim 1, The sewage pipe dredging device, characterized in that the solid material collection means 600, which is detachable to the cart 300 and includes a push rod that can be pulled out in the width direction of the sewer pipe. The method of claim 12, The push rods of the solids collecting means 600 are each formed with water passing slots, and are provided with high precision rods 610 fixed to the frame 601 and overlapped with the high precision rods 610 and drawn out to both sides by the operation means. Sewage pipe dredging device, characterized in that consisting of the first variable mill (620) and the second variable mill (630). The method of claim 13, The operating means of the first variable mill 620 and the second variable mill 630 is a sewer pipe dredging device, characterized in that made of a cylinder (621) (631). The method according to claim 12 or 13, The frame 601 of the solid matter collecting means 600 is formed with a guide rail for sliding the first variable mill 620 and the second variable mill 630, the arm 350 that can appear in the width direction of the sewer pipe and Surveillance camera 410 and the lighting means is mounted, the sewer pipe dredging device, characterized in that the front towing rope fixing portion 650 is formed.

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