JP2006046021A - Working device for repairing conduit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To draw a liner element into an attached pipe readily from a main pipe without damage. <P>SOLUTION: A working device for repairing a conduit is equipped with a main body 2 movable in the main pipe PO in the axial direction, and a guide means 3 which is disposed at one end part in the moving direction of the main body 2 and guides a deformable cylindrical liner element LO being the element of a repairing liner L, from the main pipe PO into the attached pipe P1. The guide means 3 comprises a guide roller 31 for guiding the liner element LO from the main pipe PO into the attached pipe P1 for turing direction, a pair of arms 32 for supporting each end part in the axial direction of the guide roller 31 with the tip end parts, and a rotary drive part 33 which is disposed at one end of the main body 2, holds the base end part of each arm 32 and rotarily drives each end part of the guide roller 31 to move it to the peripheral direction of the main pipe PO via each arm 32. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a pipeline repair work device used when repairing various pipelines such as sewer pipes from the inside.

  Of various pipes, for example, a sewage pipe includes a main pipe buried in the ground, and a mounting pipe that is attached to communicate with the main pipe and communicates with a ridge on the ground side. In this sewage pipe, the drainage discharged from the home or the like flows to the main pipe through the culvert and the attachment pipe. For this reason, for example, when the attachment pipe is damaged due to aging or the like, sewage may leak from the damaged portion, and therefore it is necessary to repair the attachment pipe as soon as possible.

  As a method of repairing the mounting pipe, a method of covering the inner surface of the mounting pipe with a resin repair liner is known. In this repair method, a deformable cylindrical liner material, which is a material for the repair liner, is drawn from the main pipe into the mounting pipe, and a collar provided at one end of the liner material is opened on the inner surface of the main pipe. The liner material is positioned by being applied to the periphery of the opening, and further, the liner material is pressurized from the inside and heated to thermally cure the liner material in close contact with the inner surface of the mounting tube. become.

  However, in the above repair method of the mounting pipe, when the liner material is drawn from the main pipe into the mounting pipe, the liner material hits the opening of the mounting pipe in the main pipe and moves while rubbing. For this reason, there is a problem that it becomes difficult to pull in the liner material due to the catch in the opening, and there is a possibility that the liner material may be damaged when it is forcibly pulled in.

  The present invention has been made in view of the above circumstances, and provides a pipeline repair work device that can easily draw a liner material from a main pipe to a mounting pipe without causing any damage. It is an issue.

  In order to solve the above problems, the invention described in claim 1 is a pipe repair work device used when a repair liner is applied to the inner surface of a mounting pipe communicated with a main pipe, and the inside of the main pipe is provided. A main body that is movable in the axial direction, and a guide means that is disposed at one end of the main body in the moving direction and guides the deformable cylindrical liner material that is the material of the repair liner from the main pipe into the mounting pipe. The guide means includes a guide roller that guides the liner material to change the direction from the main pipe to the mounting pipe, and a pair of arms that support each end of the guide roller in the axial direction at the tip. And installed at one end of the main body to hold the base end of each arm and move the guide roller through the arm in the circumferential direction of the main pipe via the arm. Rotating to drive It is characterized in that it has a rotary drive unit for.

  According to a second aspect of the present invention, in the first aspect of the present invention, each of the arms is detachably held by the rotation driving unit.

  According to a third aspect of the present invention, in the first or second aspect of the invention, there is provided illumination means for illuminating the inside of the main pipe on one end side of the main body, and a camera for photographing the inside of the main pipe on one end side of the main body. It is characterized by having.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the main body is fitted to a cylindrical shell extending in a moving direction of the main body and an outer peripheral surface of the cylindrical shell. It has a combined cylindrical elastic membrane, and a fluid supply member that supplies fluid between the cylindrical shell and the cylindrical elastic membrane.

  The invention according to claim 5 is the invention according to claim 4, wherein the main body has a fluid discharge member for discharging the fluid from between the cylindrical shell and the cylindrical elastic membrane. It is characterized by.

  According to the invention described in claims 1 to 5 configured as described above, the main body is configured to be movable in the main pipe, and the guide means is disposed at one end in the moving direction of the main body. The position of the guide means can be adjusted to a position that corresponds to the opening of the mounting pipe at the optimal position for drawing the liner material from the main pipe into the mounting pipe. Since the guide means is provided with a guide roller for guiding the liner material to change the direction from the main pipe to the attachment pipe, the liner material can be drawn into the attachment pipe without contacting the opening. . In addition, since the guide roller is freely rotated by the movement of the liner material, the liner material can be smoothly drawn into the mounting tube without causing almost any resistance due to the direction change of the liner material.

  Further, since the guide roller is provided with a rotation drive unit for rotating each end of the guide roller in the circumferential direction of the main pipe, the opening of the mounting pipe in the main pipe is provided in the circumferential direction of the main pipe. Even in different positions, the inclination of the rotation axis of the guide roller can be adjusted in the optimum direction for drawing the liner material into the mounting tube.

  Accordingly, the liner material can be easily drawn from the main pipe into the mounting pipe, and damage to the liner material can be prevented during this drawing.

  According to the second aspect of the present invention, since each arm is detachably held by the rotation drive unit, the arm is easily changed to a guide roller having a rotation shaft length suitable for the inner diameter of the main pipe. be able to. Therefore, even when the inner diameter of the main pipe is different, the liner material can be smoothly drawn into the mounting pipe.

  According to the third aspect of the present invention, the illumination means for illuminating the inside of the main pipe on one end side of the main body and the camera for photographing the inside of the main pipe on one end side of the main body are provided. The position and the position of the opening of the attachment pipe in the main pipe on one end side of the main body can be confirmed by an image output from the camera. Therefore, the position of the guide roller can be easily adjusted to an optimum position for drawing the liner material from the main pipe into the attachment pipe.

  According to invention of Claim 4, the cylindrical shell extended in the moving direction of a main body, The cylindrical elastic membrane fitted to the outer peripheral surface of this cylindrical shell, A cylindrical shell and a cylindrical elastic membrane A fluid supply member that supplies fluid between the first and second liners, so that, for example, when a liner material having a collar at the end is used, this collar is the opening of the mounting pipe in the main pipe. In the state of being in contact with the periphery, the fluid is supplied between the cylindrical shell and the cylindrical elastic membrane to bulge the cylindrical elastic membrane, thereby pressing the collar against the inner surface of the main pipe. It can be adhered.

  Therefore, when the liner material is thermally cured, for example, in close contact with the inner surface of the attachment tube, the collar portion can also be in close contact with the inner surface of the main tube.

  In addition, when the collar is impregnated with, for example, a thermosetting resin and a high-temperature fluid is supplied as a fluid between the cylindrical shell and the cylindrical elastic membrane, the collar is also in close contact with the inner surface of the main pipe. It can be heat-cured to the state.

  According to the fifth aspect of the present invention, since the fluid discharge member that discharges the fluid from between the cylindrical shell and the cylindrical elastic membrane is provided, the fluid between the cylindrical shell and the cylindrical elastic membrane is provided. Can be circulated through the fluid supply member and the fluid discharge member. Therefore, for example, since a high-temperature fluid can be continuously circulated between the cylindrical shell and the cylindrical elastic membrane, for example, even when heat curing requires time, the above-described collar portion can be reliably cured. .

  An embodiment as the best mode for carrying out the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 to 7, the pipe repair work device 1 shown in this embodiment is an example used for repairing a sewage pipe, and has a cylindrical shape embedded in the underground A. It is used when a repair liner L (see FIG. 11) is constructed on the inner surface of a cylindrical attachment pipe P1 as a branch pipe attached in communication with the main pipe P0. Means 3, illumination means 4, and camera 5 are provided. In this example, the attachment pipe P1 is connected to a ridge P2 that is bent stepwise from the main pipe P0 and opens to the ground A1. The drainage discharged from the household etc. flows into the eaves P2.

  As shown in FIG. 3, the main body 2 is disposed at a cylindrical shell 21 formed in a cylindrical shape with a metal such as steel or aluminum, and at one end and the other end in the axial direction of the cylindrical shell 21. Four wheels 22 that smoothly move in the axial direction in the pipe P0, a cylindrical elastic film 23 that is formed in a cylindrical shape by an elastic body such as rubber, and is fitted to the outer peripheral surface of the cylindrical shell 21, and a cylinder Fluid supply member 24 for supplying water (fluid) such as hot water or cold water between the cylindrical shell 21 and the cylindrical elastic membrane 23, and a fluid for discharging water from between the cylindrical shell 21 and the cylindrical elastic membrane 23 And a discharge member 25. Each end of the cylindrical elastic film 23 in the axial direction is fixed to the cylindrical shell 21 by an annular fastening band 23 a that presses the entire circumferential direction of the end against the outer peripheral surface of the cylindrical shell 21. It has become.

  As shown in FIG. 1, the main body 2 is movable in the axial direction of the main pipe P0 via wheels 22 on the inner surface located below the main pipe P0. In this state, the cylindrical shell 21 extends in the moving direction of the main body 2 (that is, the axial direction of the main pipe P0).

  Further, as shown in FIG. 3, the fluid supply member 24 is formed in a tubular shape, and in the state where the main body 2 is movably installed in the main pipe P0, the upper part of the inner surface of the cylindrical shell 21 is formed. The water is provided between the cylindrical shell 21 and the cylindrical elastic membrane 23 through a plurality of through holes 21a and 24a formed in the cylindrical shell 21 and the fluid supply member 24, respectively. It is supposed to supply in between. On the other hand, the fluid discharge member 25 is formed in a tubular shape and is provided to be positioned below the inner surface of the cylindrical shell 21, and is formed in each of the cylindrical shell 21 and the fluid discharge member 25. Water is discharged from between the cylindrical shell 21 and the cylindrical elastic membrane 23 through the through holes 21b and 25a.

  As shown in FIGS. 1 and 2, the fluid supply member 24 is connected to one end of the first heat-resistant hose D1 via a one-touch joint, and the other end of the first heat-resistant hose D1 is It is connected to a controller C installed on the ground A1 via a one-touch joint. On the other hand, the fluid discharge member 25 is connected to one end portion of the second heat-resistant hose D2 via a one-touch joint, and the other end portion of the second heat-resistant hose D2 is connected to the controller C via the one-touch joint. To be connected to. The first heat-resistant hose D1 and the second heat-resistant hose D2 open to the ground A1 and extend between the ground A1 and the main pipe P0 via the manhole M connected to the main pipe P0. It has become.

  The controller C controls the temperature and flow rate of the water supplied from the boiler B installed on the ground A1, supplies water with the optimum temperature and flow rate to the first heat resistant hose D1, and supplies the second heat resistant hose D2. The pressure of the water supplied between the cylindrical shell 21 and the cylindrical elastic membrane 23 is controlled by adjusting the pressure of the water that has returned through the cylinder. As shown in FIG. 2, the pressure of water between the cylindrical shell 21 and the cylindrical elastic membrane 23 is a pressure sensor provided in a relay block 25a that connects the fluid discharge member 25 and the second heat-resistant hose D2. 25b is detected.

  As shown in FIGS. 1 to 4, the guide means 3 is disposed on one end side in the moving direction of the main body 2, and the deformable cylindrical liner material L <b> 0 that is the material of the repair liner L is used as a main part. The guide P is guided so as to be pulled into the mounting pipe P1 from the pipe P0, and a rotatable guide roller 31 for guiding the liner material L0 to change the direction from the main pipe P0 to the mounting pipe P1, and the guide roller 31 at the tip. A pair of arms 32 that support each end in the axial direction of the main body 2 and one end of the main body 2, hold the base end of each arm 32, and guide rollers 31 through the arms 32. Is provided with a rotation drive unit 33 that rotationally drives each end of the guide roller 31 to move in the circumferential direction of the main pipe P0. One end portion of the liner material L0 is provided with a flange portion L0a that comes into contact with the inner surface of the main pipe P0 around the opening P1a of the attachment pipe P1 in the main pipe P0.

  Each arm 32 is integrally provided with a hook portion 32 a on the tip side from the guide roller 31. The hook portion 32a has a circular hole, and a rope such as a string for pulling the main body 2 is inserted into and fixed to the hole.

  As shown in FIG. 3, the rotation drive unit 33 is coaxially connected to the motor 33 a installed in one end of the cylindrical shell 21 and the output shaft of the motor 31 a, and protrudes to one end of the cylindrical shell 21. The cylindrical intermediate member 33b and a pair of arm mounting portions 33c provided on the outer peripheral surface of the intermediate member 33b are provided. The base end portion of each arm 32 is detachably connected to and held by each arm mounting portion 33c. Each arm 32 further extends from each arm attachment portion 33 c to one end side of the cylindrical shell 21.

  7 shows a guide roller 31 having an axial length longer than that of the guide roller 31 shown in FIG. 2 and the like, and an arm 32 configured to support the guide roller 31 and be connectable to each arm mounting portion 33c. Yes.

  As shown in FIGS. 5 and 6, the illuminating means 4 is composed of a plurality of light emitting diodes provided along the inner circumference on the distal end side (guide roller 31 side) of the intermediate member 33 b. The inside of the main pipe P0 on one end side is illuminated. In this case, the illumination unit 4 can irradiate the inner surface of the main pipe P0 on the guide roller 31 side from the inner surface of the main pipe P0 located on the main body 2 side with respect to the guide roller 31. That is, the illumination means 4 illuminates the inside of the main pipe P0 so that the positional relationship between the opening P1a of the mounting pipe P1 formed in the main pipe P0 and the guide roller 31 can be confirmed by the camera 5. It has become.

  The camera 5 is provided inside the illumination means 4 in the intermediate member 33b, and photographs the inside of the main pipe P0 on one end side of the main body 2. That is, the camera 5 has an angle of view in which the positional relationship between the guide roller 31 and the opening P1a of the attachment pipe P1 formed in the main pipe P0 can be confirmed.

  And the front-end | tip part of the intermediate member 33b is obstruct | occluded by the transparent glass (transparent cover) 33d which covers the illumination means 4 and the camera 5, and the base end part of the said intermediate member 33b is comprised so that an electrical cord may be inserted airtightly. The blind member 33e is closed.

  Further, as shown in FIG. 1, a cable E such as an electric cord or a power cable connected to the pressure sensor 25b, the illumination means 4, the camera 5 and the like extends outward from the other end of the main body 2, and is connected to a manhole. It is connected to the controller C via M. The cable E can be wound up by a cable drum F arranged on the ground A1.

  Next, a pipe repair method for constructing the repair liner L on the attachment pipe P1 using the pipe repair work device 1 will be described with reference to FIGS. However, in these drawings, illustration of the bag P2 is omitted.

  First, as shown in FIG. 8, if an image taken inside the main pipe P0 is confirmed with a monitor such as a CRT using the illumination means 4 and the camera 5, the opening P1a of the mounting pipe P1 in the main pipe P0 is confirmed. The position of the guide roller 31 with respect to the position is determined. At this time, the guide roller 31 is moved by pulling a rope connected to the hook portion 32a of the arm 32 from, for example, a manhole provided on the distal end side of the main body 2 and moving the pipe repair working device 1. Do.

  Thereby, the position of the guide roller 31 can be adjusted to an optimum position for drawing the liner material L0 from the main pipe P0 into the attachment pipe P1.

  Therefore, as shown in FIGS. 8 and 9, a pull-in rope H with the endoscope camera G attached to the tip is inserted into the attachment pipe P <b> 1 from the ground A <b> 1 side, and the endoscope camera G is inserted between the pair of arms 32. While passing, the inside of the main pipe P0 is sent to the front end side of the main body 2. Then, after removing the endoscope camera G from the pull-in rope H, as shown in FIG. 10, the other end portion of the liner material L0 in which, for example, an epoxy resin as a thermosetting resin is impregnated in the collar portion L0a is pulled in. Attach the pull-in rope H to the ground A1 side by sticking it to the tip of the rope H.

  Then, the liner material L0 moves smoothly through the guide roller 31 while changing the direction from the main pipe P0 to the mounting pipe P1. And the position in the attachment pipe P1 of the liner raw material L0 is decided when the collar part L0a contact | abuts the circumference | surroundings of the opening part P1a. In addition, since the collar portion L0a is formed of a deformable material similar to the cylindrical liner material L0, even when it has a larger outer diameter than between the pair of arms 32, it smoothly passes between the arms 32. It is possible.

  Next, as shown in FIG. 11, after the pipe repair work device 1 is moved so that the axial center of the cylindrical shell 21 is directly below the opening P1a, the cylindrical shell 21 and the cylindrical shell 21 are moved. The cylindrical elastic membrane 23 is expanded by circulating hot water having a predetermined pressure and temperature between the cylindrical elastic membrane 23, and the flange L0a is pressed against the inner surface of the main pipe P0 by the cylindrical elastic membrane 23.

  Further, the thermosetting jig J is inserted into the liner material L0 from the other end opening of the liner material L0. As shown in FIG. 12, the thermosetting jig J is disposed so as to surround the hose J <b> 1, which freely discharges water supplied from the other end, and surrounds the hose J <b> 1. And a bulging tube J2 that discharges water from the other end through the periphery of the hose J1.

  Next, by supplying hot water of a predetermined pressure and temperature from the boiler B via the controller C to the hose J1 of the thermosetting jig J inserted into the liner material L0, one end of the hose J1 (in this example, By inflating the bulging cylinder J2 with warm water jetted from the lower end), the liner material L0 is pressed against the inner surface of the mounting pipe P1 through the bulging cylinder J2.

  In this case, since the opening P1a is blocked by the cylindrical elastic film 23, the bulging cylinder J2 can be prevented from bulging into the main pipe P0 as shown in FIG. Note that when the bulging cylinder J2 bulges into the main pipe P0, the bulging cylinder J2 may be damaged.

  Then, after the liner material L0 and the collar L0a are thermally cured by circulating hot water between the cylindrical shell 21 and the cylindrical elastic membrane 23 and in the bulging cylinder J2, the cylindrical shell 21 and the cylindrical shape are formed. Cold water is circulated between the elastic film 23 and in the bulging cylinder J2 to cool the liner material L0 and the flange L0a. Thereafter, water is removed from between the cylindrical shell 21 and the cylindrical elastic membrane 23 and from the inside of the bulging cylinder J2, and then the thermosetting jig J is extracted from the mounting pipe P1. As a result, the periphery of the opening P1a of the attachment pipe P1 and the main pipe P0 is repaired by the repair liner L and the flange L0a.

  Further, the pipe repair work device 1 is further used for repairing the other attachment pipe P1 or is pulled up to the ground A1 through the manhole M.

  Before pressing the flange L0a against the inner surface of the main pipe P0 with the cylindrical elastic membrane 23 and before supplying hot water into the hose J1 of the thermosetting jig J, supply compressed air to the hose J1. The centering of the mounting pipe P1 and the liner material L0 is preferably performed by bulging the bulging cylinder J2. In this case, since the liner material L0 and the flange portion L0a can be cured with the center of the opening portion P1a and the flange portion L0a aligned, the opening portion P1a and the flange portion L0a as shown in FIG. It is possible to prevent adverse effects caused by curing with the center shifted.

  According to the pipe repair work device 1 configured as described above, the main body 2 is configured to be movable in the main pipe P0, and the guide means 3 is disposed at one end of the main body 2 in the moving direction. The position of the guide means 3 is adjusted to a position corresponding to the opening P1a of the mounting pipe P1 in the main pipe P0 and optimal for drawing the liner material L0 from the main pipe P0 to the mounting pipe P1. Can do. Moreover, since the guide means 3 is provided with a guide roller 31 for guiding the liner material L0 from the main pipe P0 to the mounting pipe P1, the guide means 3 can be attached without bringing the liner material L0 into contact with the opening P1a. It can be drawn into the tube P1. Further, since the guide roller 31 freely rotates with the movement of the liner material L0, the liner material L0 can be smoothly drawn into the mounting pipe P1 with almost no movement resistance of the liner material L0. Can do.

  Moreover, since the rotation drive part 33 is provided, as shown in FIG. 4, even when the opening part P1a of the attachment pipe P1 in the main pipe P0 is not located right above the main pipe P0, the liner material L0. It is possible to adjust the inclination of the rotation shaft of the guide roller 31 in the direction optimal for drawing in the mounting pipe P1.

  Accordingly, the liner material L0 can be easily drawn into the attachment pipe P1 from the main pipe P0, and the liner material L0 can be reliably prevented from being rubbed and damaged by the opening P1a during this drawing.

  Further, since each arm 32 is configured to be detachably connected to the rotation drive unit 33, the arm 32 can be easily changed to the guide roller 31 having an axial length suitable for the inner diameter of the main pipe P0. . Accordingly, even when the inner diameter of the main pipe P0 is different, the liner material L0 can be smoothly drawn into the attachment pipe P1.

  Further, since the illumination means 4 for illuminating the inside of the main pipe P0 on one end side of the main body 2 and the camera 5 for photographing the inside of the main pipe P0 on one end side of the main body 2 are provided, a guide roller 31 on one end side of the main body 2 is provided. And the position of the opening P1a in the main pipe P0 on one end side of the main body 2 can be confirmed by an image output from the camera 5. Therefore, the position of the guide roller 31 can be easily adjusted to an optimum position for drawing the liner material L0 from the main pipe P0 to the attachment pipe P1.

  Further, a cylindrical shell 21 extending in the moving direction of the main body 2, a cylindrical elastic film 23 fitted to the outer peripheral surface of the cylindrical shell 21, and between the cylindrical shell 21 and the cylindrical elastic film 23 A fluid supply member 24 that supplies water to the tube, and a fluid discharge member 25 that discharges water from between the cylindrical shell 21 and the cylindrical elastic membrane 23, so that the flange L0a of the liner material L0 is connected to the main pipe. It can be pressed and brought into close contact with the inner surface of P0.

  Accordingly, the flange portion L0a of the liner material L0 can be cured in a state of being in close contact with the inner surface of the main pipe P0.

  In the above-described embodiment, the main body 2 is configured to move by pulling with a rope. However, the main body 2 automatically rotates in the main pipe P0 in the axial direction by rotating the wheels 22. You may comprise so that it can run.

It is sectional drawing which shows the condition of the repair work using the working apparatus for pipe repair shown as one Embodiment of this invention, and this working apparatus for pipe repair. It is a top view of the working apparatus for the pipe line repair. It is a sectional side view of the working apparatus for pipe repair. It is an arrow view from the front-end | tip of the working apparatus for pipe line repair. It is sectional drawing of the intermediate member which has the illumination means and camera in the working apparatus for pipe line repair. It is a front view of the intermediate member which has the illumination means and camera in the working apparatus for pipe line repair. It is a top view which shows the other guide roller and arm which can be replaced | exchanged in the work apparatus for pipe line repair. It is a figure which shows the effect | action of the working apparatus for pipe line repair, Comprising: It is explanatory drawing which shows the middle of inserting a pull-in rope into a mounting pipe from the ground side. It is a figure which shows the effect | action of the work apparatus for pipe repair, Comprising: It is explanatory drawing which shows the state after inserting the front-end | tip part of the drawing rope inserted in the attachment pipe from the ground side between arms. It is a figure which shows the effect | action of the work apparatus for pipe line repair, Comprising: It is explanatory drawing which shows the state in the middle of drawing in a liner raw material from a main pipe to an attachment pipe with a pull-in rope. It is a figure which shows the effect | action of the working apparatus for pipe line repair, Comprising: The state which pressed the collar part of the liner material on the inner surface of the main pipe with the cylindrical elastic membrane, and contact | adhered the liner material to the inner surface of the attachment pipe is shown. It is explanatory drawing. It is a figure which shows the effect | action of the work apparatus for pipe repair, Comprising: When the collar part of a liner material is not pressed on the inner surface of a main pipe | tube with a cylindrical elastic membrane, the bulging pipe | tube of a thermosetting jig swells in a main pipe | tube. It is explanatory drawing which shows the state to take out. It is a figure which shows the effect | action of the work apparatus for pipe repair, Comprising: It is explanatory drawing which shows the bad effect when not centering an opening part and a collar part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work apparatus for pipe repair 2 Main body 3 Guide means 4 Illumination means 5 Camera 21 Cylindrical shell 23 Cylindrical elastic membrane 24 Fluid supply member 25 Fluid discharge member 31 Guide roller 32 Arm 33 Rotation drive part L Repair liner L0 Liner material P0 Main pipe P1 Mounting pipe

Claims (5)

A pipe repair work device used when constructing a repair liner on the inner surface of a mounting pipe communicated with a main pipe,
A main body movable in the axial direction in the main pipe,
It is arranged at one end in the moving direction of the main body, and comprises a guide means for guiding the deformable cylindrical liner material that is the material of the repair liner from the main pipe into the mounting pipe,
The guide means includes a guide roller that guides the liner material to change the direction from the main pipe to the mounting pipe, a pair of arms that support each end portion of the guide roller in the axial direction at a tip portion, and the main body. It is installed at one end, holds the base end of each arm, and rotates the guide roller through each arm so as to move each end of the guide roller in the circumferential direction of the main pipe. A work device for repairing a pipeline, characterized by comprising a rotation drive unit.   The pipe repair work device according to claim 1, wherein each of the arms is detachably held by the rotation driving unit.   3. The pipe repairing device according to claim 1, comprising illumination means for illuminating the inside of the main pipe on one end side of the main body and a camera for photographing the inside of the main pipe on one end side of the main body. Work equipment.   The main body includes a cylindrical shell extending in the moving direction of the main body, a cylindrical elastic membrane fitted to the outer peripheral surface of the cylindrical shell, and the cylindrical shell and the cylindrical elastic membrane. The pipe repair work device according to claim 1, further comprising a fluid supply member that supplies fluid.   5. The pipe repair work device according to claim 4, wherein the main body has a fluid discharge member that discharges the fluid from between the cylindrical shell and the cylindrical elastic membrane.

Images