WO2006046478A1 - 管ライニング材の反転方法及び装置、並びに反転装置を用いた管路更生工法 - Google Patents
管ライニング材の反転方法及び装置、並びに反転装置を用いた管路更生工法 Download PDFInfo
- Publication number
- WO2006046478A1 WO2006046478A1 PCT/JP2005/019372 JP2005019372W WO2006046478A1 WO 2006046478 A1 WO2006046478 A1 WO 2006046478A1 JP 2005019372 W JP2005019372 W JP 2005019372W WO 2006046478 A1 WO2006046478 A1 WO 2006046478A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pressure chamber
- lining material
- pipe lining
- reversing
- pipe
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1651—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being everted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
- B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
- B29C63/36—Lining or sheathing of internal surfaces using tubular layers or sheathings being turned inside out
Definitions
- the present invention relates to a method for reversing a pipe lining material to be reversed and inserted into a pipe line to be lined, a reversing device thereof, and a pipe lining material to be reversibly inserted into an existing pipe by using the reversing device. It relates to the method of rehabilitation.
- a pipe lining material is used in which an uncured liquid curable resin is impregnated into a tubular resin adsorbent whose outer surface is hermetically coated with a plastic film.
- a pipe lining material is inverted and inserted into a pipe line by a fluid pressure using a lining reversing device, and then the pipe lining material is expanded by a fluid pressure to be piped.
- the curable resin impregnated in the pipe lining material is cured while being pressed against the inner surface of the road.
- the tube lining material is stored in a closed container in a flat and folded state, and one end of the tube lining material is taken out and attached to the outer periphery of the open end of the reversing nozzle connected to the sealed container. Then, it is inserted into the conduit while being reversed by applying fluid pressure to the sealed container (Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-165158
- Patent Document 2 Japanese Patent Publication No. 5-504523 (WO92 / 05944) Disclosure of the invention
- the space portion to be sealed may be small, but the passage through which the pipe lining material passes needs to be sealed, and the sealing structure is incomplete.
- the pipe lining material is damaged because the pipe lining material passes through the passage port in frictional contact.
- the present invention has been made to solve such problems, and it is possible to reduce the space portion to be sealed or airtight, and to reliably invert the pipe lining material by making a sealed structure. It is an object of the present invention to provide a pipe lining material reversing method and apparatus, and a pipe rehabilitation method using the reversing apparatus.
- One end of a tubular pipe lining material is attached to the tip of a reversing nozzle, and the pipe lining material is reversed by the action of fluid pressure through the reversing nozzle,
- One end of a tubular pipe lining material is attached to the tip of a reversing nozzle, and the pipe lining material is reversed by the action of fluid pressure through the reversing nozzle,
- An i-th pressure chamber provided with a holding means for holding the pipe lining material, and a second pressure chamber having a sealed structure provided with a reversing nozzle;
- One end of the pipe lining material is attached to the reversing nozzle by passing the pipe lining material through the passages of the first pressure chamber and the second pressure chamber,
- the first pressure chamber is moved to the second position in the direction of the second pressure chamber, and the pipe lining material held by the holding means of the first pressure chamber passes through the second pressure chamber. Drawing into the second pressure chamber through the mouth,
- the passage port of the second pressure chamber is sealed, and fluid pressure is applied to the sealed second pressure chamber to be drawn into the second pressure chamber.
- the pipe lining material is pulled out by reversing the second pressure chamber force through a reversing nozzle.
- a sealable pressure chamber provided with a passage through which the pipe lining material passes at a position opposite to the reversing nozzle;
- Moving means for moving the holding means to the second position so that the pipe lining material held by the holding means is drawn into the pressure chamber through the passage port;
- a sealing means for sealing the passage of the pressure chamber when the holding means is moved to the second position
- Fluid pressure supply means for supplying fluid pressure to the sealed pressure chamber, The pipe lining material drawn into the pressure chamber by the action of the fluid pressure is reversed and pulled out from the pressure chamber through a reversing nozzle.
- An i-th pressure chamber provided with holding means for holding a pipe lining material
- a sealable second pressure chamber having a passage through which the pipe lining material passes at a position opposite to the reversing nozzle
- the first pressure chamber also has the first positional force so that the pipe lining material held by the holding means of the first pressure chamber is drawn into the second pressure chamber through the passage port of the second pressure chamber.
- Sealing means for sealing the passage opening of the second pressure chamber when the first pressure chamber is moved to the second position
- Fluid pressure supply means for supplying fluid pressure to the sealed second pressure chamber, and the pipe lining material drawn into the second pressure chamber by the action of the fluid pressure is supplied to the second pressure chamber via the reversing nozzle. The pressure chamber force is reversed and pulled out.
- the pipe lining material drawn out with the reversing nozzle force of the reversing device also reversing sequentially in accordance with the movement between the holding means or the first pressure chamber between the first and second positions is inserted into the manhole, and then inserted into the manhole.
- the inserted pipe lining material is inserted into the pipeline to be repaired by changing the direction of the vertical force in the horizontal direction, and the inner surface of the pipeline is repaired with the pipe lining material.
- the pipe lining material pulled out with the reversing nozzle force of the reversing device reversing sequentially in accordance with the movement of the holding means or the first pressure chamber between the first and second positions is inserted into the pipe to be repaired.
- the inner surface of the pipe is repaired with a pipe lining material.
- the pressure chamber for reversing the pipe lining material only needs to be a space corresponding to the minimum lower pressure chamber.
- the tube lining material can be effectively reversed by the sealed structure.
- the pipe lining is removed when the pipe lining material is pulled out. Since the material does not touch anywhere in the pressure chamber, the risk of damage to the pipe lining material is reduced. In addition, when the pressure chamber or the holding means is retracted, the reversing operation is more reliable than reversing a large amount of pipe lining material at a time because the reversing operation is reversed.
- FIG. 1 is a front view showing an entire reversing device of the present invention with a casing in cross section.
- FIG. 2 is a side view of the inside of the casing of the reversing device viewed from the X direction in FIG.
- FIG. 3 is a cross-sectional view taken along line Y—Y ′ of FIG. 2 inside the casing of the reversing device.
- FIG. 4A is a cross-sectional view taken along line AA ′ of FIG. 3 when the holding jack is in the release position.
- FIG. 4B is a cross-sectional view taken along line AA ′ of FIG. 3 when the holding jack is in the holding position.
- FIG. 5A is a cross-sectional view taken along the line BB ′ of FIG. 3 when the passage through which the pipe lining material passes is in an open state.
- FIG. 5B is a sectional view taken along line BB ′ of FIG. 3 when the passage through which the pipe lining material passes is in a sealed state.
- FIG. 6A is a top view of a sealed box with an air bag inside as viewed from the upper pressure chamber toward the lower pressure chamber.
- FIG. 6B is a top view corresponding to FIG. 6A when the airbag is inflated.
- FIG. 6C is a cross-sectional view taken along the line CC ′ of FIG. 6A.
- FIG. 6D is a cross-sectional view taken along the line DD ′ in FIG. 6A.
- FIG. 6E is a sectional view taken along line EE ′ of FIG. 6C.
- FIG. 7 is a system diagram showing a system for supplying air pressure and hydraulic pressure to the reversing device.
- FIG. 8A is an explanatory diagram showing a reversal process of a pipe lining material by a reversing device.
- FIG. 8B is an explanatory view showing a reversing process of the pipe lining material by the reversing device.
- FIG. 8C is an explanatory view showing a reversing process of the pipe lining material by the reversing device.
- FIG. 8D is an explanatory view showing a reversing process of the pipe lining material by the reversing device.
- FIG. 8E is an explanatory diagram showing a reversing process of the pipe lining material by the reversing device.
- FIG. 8F is an explanatory view showing a reversing process of the pipe lining material by the reversing device.
- FIG. 9 is a cross-sectional view corresponding to FIG. 3 when the upper pressure chamber has moved to the lowest position.
- FIG. 10 is a cross-sectional view corresponding to FIG. 9 when the pipe lining material is reversed and the lower pressure chamber force is also pulled out.
- FIG. 11 is a cross-sectional view corresponding to FIG. 10 when the upper pressure chamber rises to the highest position as shown in FIG.
- FIG. 12 is an explanatory view showing a state in which an existing pipeline is repaired using the reversing device of the present invention.
- FIG. 13A is a top view corresponding to FIG. 6A, in which an airbag is further provided on two side surfaces of the sealed box.
- FIG. 13B is a top view corresponding to FIG. 6B when each airbag is inflated.
- a tubular tube lining material having one end attached to the tip of a reversing nozzle is reversed by the action of fluid pressure.
- the tube lining material is held by a holding means.
- the passage port is hermetically sealed by the sealing means, and is inserted into the pressure chamber.
- the fluid pressure is applied, the pipe lining material drawn into the pressure chamber is reversed from the pressure chamber through the reversing nozzle and pulled out.
- the pipe lining material reversing device 10 of the present invention includes an upper pressure chamber 50 and four lifting jacks 51 to 53 for raising and lowering the upper pressure chamber 50 (—lifting jacks).
- the lower pressure chamber 55 which is attached to the surroundings (not shown), is housed in the housing 11 shown in section, and the whole is attached to the base 13 via the support plate 14. It is configured to be able to rotate around a rotation shaft 14 a via a moving jack 12 fixed on the base 13.
- the reversing device consists of an upright vertical position (solid line) in which the upper pressure chamber 50 and the lower pressure chamber 55 are vertically aligned by the moving jack 12 and a horizontal position in which both pressure chambers are horizontally aligned. You can move between the two places (two-dot chain line).
- the reversing device 10 is normally placed in a horizontal position and mounted on a moving vehicle and moved to the site, where it stands upright. At the position where the reversing device 10 is erected, the tip of the lower pressure chamber 55 faces the opening 13a of the base 13, and the pipe lining material 1 is a fluid (air) supplied through a nou 56 56 as will be described later. It is reversed by the fluid pressure of and is led to a manhole (not shown).
- the pipe lining material 1 is, for example, a well-known tubular pipe lining obtained by impregnating a tubular resin adsorbent whose outer surface is airtightly covered with a plastic film with an uncured liquid curable resin. This is a material, and after the manhole force is also inverted and inserted into the pipe using the reversing device of the present invention, it is expanded by the fluid pressure and pressed against the inner surface of the pipe. The fat is cured and the pipeline is repaired. Normally, the pipe lining material 1 is conveyed to a position where the reversing device 10 is installed in a state where the pipe lining material 1 is wound or folded, and is guided into the upper pressure chamber 50 through the opening 11a.
- the upper pressure chamber 50 (first pressure chamber) has a substantially cylindrical shape. As shown in Fig. 3, the lower end of the upper pressure chamber 50 is open. A rectangular opening 50a through which can pass is formed.
- a holding jack 21 is fixed in the upper pressure chamber, and the piston rod 21a has a rectangular holding shape having a length L of the pipe lining material 1 as can be understood from FIG.
- a plate 22 is attached.
- a holding member 23 that is also an elastic material having a large friction coefficient, such as rubber, is fixed to the surface of the holding plate 22 facing the pipe lining material 1.
- a holding rod 24 is fixed to the surface of the upper pressure chamber facing the holding jack 21, and a holding member 26 made of the same material and having the same shape as the holding member 23 is fixed to the holding rod 24.
- Retaining plate 25 is attached.
- the holding jack 21 and the holding members 23 and 26 constitute a holding means for holding the pipe lining material.
- the holding jack 21 functions as a hydraulic actuator as will be described later, and takes a release position where the holding member 23 is moved to the position shown in FIG. 4A and a holding position where the holding member 23 is moved to the position shown in FIG. 4B.
- the holding jack 21 is in the release position, the pipe lining material 1 is released and can move freely.
- the holding member 23 moves to the left, As shown in FIG. 4B, the pipe lining material 1 is firmly held between the holding members 23 and 26, and the movement is restrained.
- the switching between the holding position and the release position is performed by switching an electromagnetic switching valve that is switched by a proximity switch 27 that detects the proximity of the piston 21b, as will be described later.
- the upper pressure chamber 50 is moved up and down vertically between the highest position and the lowest position with respect to the lower pressure chamber (second pressure chamber) 55 by four lifting jacks (moving means) 51-53.
- the lifting jack 51 operates hydraulically in the same manner as the holding jack 21, the jack cylinder 51 a is attached to a fixed base 51 d fixed below the lower pressure chamber 55, and its piston rod 51 c is connected to the upper pressure chamber 50. It is attached to a fixed base 51e fixed upward.
- the lift jack 52 has the same structure as the lift jack 51, and its cylinder 52a is attached to a fixed base 52d fixed below the lower pressure chamber 55, and its piston rod 52c is located above the upper pressure chamber 50. It is attached to the fixed base 52e.
- the other two lifting jacks have the same structure.
- the elevator jacks 51, 52 are provided with proximity switches 71, 72, 73, 74 to detect the proximity of the pistons 51b, 52b. Similar proximity switches are provided for the other two lifting jack
- the lower pressure chamber 55 has a cylindrical reversing nozzle 55a at the lower portion, a cylindrical portion 55b at the upper portion, and a conical portion 55c formed therebetween.
- the lower pressure chamber 55 and the upper pressure chamber 50 are arranged so that the central axis extending in the vertical direction is coaxial, and even if the upper pressure chamber 50 is lifted and lowered by the lifting jack, the axis of both pressure chambers may be displaced. Configured to not.
- a ring-shaped seal member 80 is attached to the upper portion of the lower pressure chamber 55 so that the entire hermetic structure is maintained by the movement of the upper pressure chamber 50.
- a circular sealing plate 31 as shown in FIG. 5 is airtightly attached via a sealing member (not shown).
- a passage opening 3 la having a size through which the lining material 1 can pass is formed.
- a hollow sealing box 33 as shown in detail in FIG. 6 is airtightly attached to the sealing plate 31 via a sealing member (not shown).
- the sealed box 33 has a rectangular parallelepiped shape with a long side Dl, a short side Wl, and a height H, and the inside is a cavity with a long side D2, a short side W2, and a height H. Pipe lining material can pass through.
- the passage opening 3 la formed in the sealing plate 31 Has a rectangular shape with a long side having a value D3 smaller than D2 and a short side having a width approximately the same as W2, and when the sealed box 33 is attached to the sealed plate, as shown in FIG.
- the short side of the passage opening and the short side of the cavity of the sealed box are aligned and the long side of the passage opening and the center of the long side of the cavity are aligned and attached.
- airbags 34 and 35 are attached to the inside of the sealed box 33 on both sides facing the side surface of the pipe lining material 1.
- the airbags 34 and 35 are made of a flexible plastic and function as a seal bag (pack valve) that sandwiches the pipe lining material 1 and seals the passage port 31a when inflated.
- the end portion of the airbag 35 is folded back inward with a width of W3, and the folded portion 35a is hermetically bonded to the inner side surface of the sealed box 33 via the adhesive 36. .
- the other end portions of the airbag 35 are also folded inward in the same manner, and the folded portions 35b, 35c, and 35d are hermetically bonded to the inner side surface of the sealing box 33 by the adhesive 36.
- the airbag 35 is hermetically sealed on all sides.
- the other airbags 34 have the same shape and the same material strength as the airbags 35.
- the ends of each side are folded back so that the inner side of the sealed box 33 is airtight by the adhesive 36. Glued.
- each folded portion of the airbag can be ensured by applying fluid pressure (air pressure) to the airbag after bonding.
- the sealed box 33 is divided into two members along the line CC ′ in FIG. 6A, an air nog is attached to each member, and then the two parts are bonded together by combining the cut parts. If formed, the air nose can be easily bonded to the sealed box 33.
- air supply ports 33a and 33b for supplying compressed air into the air bags 34 and 35 are formed in the sealed box 33, and as described later, when compressed air is supplied from the supply ports,
- the airbags 34 and 35 are changed from the contracted state illustrated in FIG. 6A to be exaggerated somewhat, and are inflated as illustrated in FIGS. 6B and 6D.
- the airbags 34 and 35 are inflated, the pipe lining material 1 therebetween is airtightly held by the airbags 34 and 35.
- the portion beyond the folded portion rises sharply as shown by a one-dot chain line in FIG.
- the rising portion 34e (35e) is the back side (lower pressure) of the sealing plate 31.
- the passage opening 31a of the sealing plate 31 shown in FIG. 5B is in a hermetically sealed state, and the lower pressure chamber 55 can be sealed at that portion.
- the airbag has a function of a kind of valve that opens and closes the passage port, and constitutes a sealing means for sealing the tube lining material passage port of the pressure chamber.
- the position where the air bag contracts and the passage port 31a of the sealing plate 31 opens is called the opening position of the air bag, and the airbag expands and the passage port 31a of the sealing plate 31 becomes sealed.
- the position is called the closed position of the airbag.
- Sealing structural force by such an airbag is also provided in the upper pressure chamber 50, and as in the lower pressure chamber, the sealing plate 41, the sealing box 43, and the air nog 44 with the passage port 41a formed therein. , 45 power.
- the sealing plate 41, its passage opening 41a, the sealing box 43, and the airbags 44, 45 have the same configuration as the sealing plate 31, the passage opening 31a, the sealing box 33, and the airbags 34, 35 of the lower pressure chamber 55.
- a holding jack 61 having a piston rod 6 la, holding plates 62 and 65 holding holding members 63 and 66, and a holding rod 64
- a holding mechanism that also has force, such as proximity switch 67, is provided, and holding jack 61, its piston rod 61a, holding members 63, 66, and holding plates 62, 65 are holding jack 21, piston opening 21a, holding, respectively. It has the same structure and function as members 23 and 26, holding plates 22 and 25, holding rod 24 and proximity switch 27, and when the holding jack 61 is in the holding position, the pipe lining material 1 is held, When the movement is constrained, while in the release position, the pipe lining material is released and free to move.
- FIG. 7 shows a system diagram of a hydraulic system that supplies hydraulic pressure to each jack and a pneumatic system that supplies pneumatic pressure to the airbag.
- the hydraulic pump 101 driven by the motor 102 supplies the hydraulic medium (oil) force to the lifting jack 52 via the lifting jack electromagnetic switching valve 105, and the holding jack electromagnetic It is supplied to the holding jack 61 of the lower pressure chamber 55 via the switching valve 106 and to the holding jack 21 of the upper pressure chamber 50 via the electromagnetic switching valve 107 for holding jack.
- the hydraulic pressure is measured by the pressure gauge 103, and if the hydraulic pressure is excessive, the hydraulic medium is returned via the relief valve 104 and the pressure is reduced.
- FIG. 7 only the hydraulic system to the lifting jack 52 is shown, but the hydraulic medium is supplied to the other three lifting jacks by the same system.
- the hydraulic system is provided with pressure switches 120 and 121 that operate by detecting the holding pressure of the holding jacks 21 and 61.
- compressed air is stored in the accumulator 115 via the control compressor, and the compressed air adjusted via the regulator 108 is compressed by the electromagnetic switching valves 110 and 112, respectively.
- the compressed air in the airbag is released by the electromagnetic switching valves 111 and 113.
- the pneumatic system leading to the airbags 44 and 34 is not shown, compressed air is supplied to and released from these airbags with the same configuration.
- the pneumatic system is also provided with pressure switches 116 and 117 that operate by detecting the air pressure in the airbag, and a silencer 109 is also provided.
- the compressed air for reversal is supplied from the reversing compressor 125 through the valve 126 to the lower pressure chamber 55 from the pipe 56.
- the reversing compressor 125, the nozzle 126, the pipe 56, and the like constitute fluid pressure supply means for supplying fluid pressure (air pressure) to the pressure chamber.
- the electromagnetic switching valve 105 when the electromagnetic switching valve 105 is switched to the other position, the hydraulic medium is supplied to the upper cylinder chamber of the lifting jack 52, and the other lifting jacks are the same, so the upper pressure chamber 50 is lowered.
- the proximity switch 74 detects the proximity of the piston, the electromagnetic switching valve 105 switches to the holding position, and the upper pressure chamber 50 moves to the position indicated by the solid line (second position) where the holding jack 21 is at the lowest position Hmin. Retained.
- the electromagnetic switching valve 106 When the electromagnetic switching valve 106 is switched to the negative position (right position), the hydraulic medium Is supplied to the left cylinder chamber of the holding jack 61, the piston rod moves to the right, and when the proximity switch 67 detects the proximity of the piston, the electromagnetic switching valve 106 switches to the holding position, and the holding jack 61 moves to the release position. Maintained.
- the electromagnetic switching valve 106 When the electromagnetic switching valve 106 is switched to the other side, the hydraulic medium is supplied to the right cylinder chamber of the holding jack 61, the piston rod moves to the left, and when the pressure switch 121 detects a predetermined holding pressure, the holding is performed. The movement of the piston rod is stopped by the force S without maintaining the pressure, and the holding jack 61 is maintained in the holding position.
- the electromagnetic switching valve 107 When the electromagnetic switching valve 107 is switched to the negative position (right position), the hydraulic medium is supplied to the left cylinder chamber of the holding jack 21, and the piston rod moves to the right.
- the electromagnetic switching valve 107 When 27 detects the proximity of the piston, the electromagnetic switching valve 107 is switched to the holding position, and the holding jack 21 is maintained in the release position.
- the electromagnetic switching valve 107 When the electromagnetic switching valve 107 is switched to the other side, the hydraulic medium is supplied to the right cylinder chamber of the holding jack 21, the piston rod moves to the left, and when the pressure switch 120 detects a predetermined holding pressure, the holding is performed. When the pressure is not maintained, the movement of the piston rod is stopped by S and the holding jack 21 is maintained at the holding position.
- FIGS. 8A to 8F illustrate the operation, and the detailed configuration and positional relationship are illustrated in a schematic form so that the operation can be easily understood without being accurate.
- the air knobs 34, 35 and 44, 45 are shown in the form of on-off valves in FIG.
- the other two lifting jacks 53 perform the same operation.
- the electromagnetic switching valve 105 is switched, and the lifting jacks 51 and 52 are raised as shown in FIG. 8A. Move it up and move the holding jack 21 to the highest position (first position) of Hmax. While the upper pressure chamber 50 is raised, by switching the corresponding electromagnetic switching valve, the holding jack 21 of the upper pressure chamber 50 and the holding jack 61 of the lower pressure chamber 55 are brought into the release position, and the air in the upper pressure chamber is The bags 44 and 45 and the airbags 34 and 35 in the lower pressure chamber are depressurized to the open position to form a passage through which the pipe lining material 1 can move downward.
- the operation of guiding one end of the pipe lining material to the reversing nozzle is performed by holding the pipe lining material with the holding jack 21 of the upper pressure chamber and lowering the upper pressure chamber 50, as will be described later. Since the pipe lining material can be drawn inside, a part of the pipe lining material is held by the holding jack 21 and the upper pressure chamber 50 is lowered to draw the pipe lining material by a predetermined amount. Then, the upper pressure chamber is raised, and the same operation is repeated to guide one end la of the pipe lining material to the reversing nozzle 55a.
- the holding jack 21 of the upper pressure chamber is moved to the holding position to hold the pipe lining material 1.
- the lifting jacks 51 and 52 are lowered, and the upper pressure chamber 50 is lowered to a position (second position) where the holding jack 21 is at the lowest position Hmin.
- the passage port 41a of the upper pressure chamber 50 and the passage port 31a of the lower pressure chamber are open, and the holding jack 61 of the lower pressure chamber is in the release position.
- the retained pipe lining material 1 passes through the passage 31a of the lower pressure chamber and is drawn into the lower pressure chamber 55, where a part of lb is folded or bent, and the lower pressure chamber 55 Stays on. This state corresponds to FIG.
- the reversing compressed air is supplied to the lower pressure chamber 55 through the pipe 56.
- the pipe lining material 1 is airtightly held by the airbags 34, 35, and the passage 31a of the sealing plate 31 is thereby airtightly sealed. Sealed. Accordingly, fluid pressure due to compressed air supplied from the pipe 56 acts on the lower pressure chamber, whereby the pipe lining material 1 is reversed and pulled out from the lower pressure chamber 55.
- This state corresponds to FIG. 10, and the amount (length) of pipe lining material 1 that is reversed and pulled out from the lower pressure chamber 55 is such that the holding jack 21 reaches the maximum position Hmax force and the minimum position Hmin. This corresponds to the length of the moving stroke.
- the airbags 44 and 45 of the upper pressure chamber 50 close the passage port 41a in a sealed state, and the entire upper pressure chamber 50 is in a sealed state. In particular, even if a completely sealed state is not maintained at the passage port 31a and an air leak occurs, it is possible to prevent the reverse pressure of the lower pressure chamber from being significantly reduced.
- the reversing device 10 is transported to the site and placed on the manhole 130 so that the moving direction of the upper pressure chamber or its holding jack is vertical. Subsequently, the holding jack or upper pressure chamber is moved between the first and second positions, and as described above The pressure chamber is lowered by a predetermined amount, and the pipe lining material held by the holding jack is drawn into the lower pressure chamber 55 in accordance with the movement of the holding jack. Then, the pipe lining material is inverted and inserted into the manhole 130, and the inverted pipe lining material is inserted into the pipe line 132 to be repaired by changing the direction from the vertical direction to the horizontal direction with the bent pipe 131 (shooter).
- the entire reversing device can be made smaller than the manhole, the reversing device is inserted into the manhole by lying down sideways, and the reversing device is moved in the moving direction of the holding means or the upper pressure chamber. Can be placed in the manhole so that is horizontally oriented. In such a case, the direction of the reversing nozzle is directed toward the inlet of the pipe line 132, and the pipe lining material is sequentially reversed and pulled out according to the movement of the holding means or the upper pressure chamber. It can be inserted into the road and the inner surface of the pipe can be repaired with a pipe lining material.
- the upper pressure chamber can be omitted by directly moving the holding means (holding jack or the like) instead of moving the entire upper pressure chamber with the lifting jack.
- a smaller reversing device can be obtained.
- the four lifting jacks may be installed with two forces provided so as to be opposed to each other in the radial direction, or three, or a plurality of four or more. Even if it is arranged at equal intervals in the circumferential direction.
- Figs. 13A and 13B two airbags 34 and 35 are provided in the sealed box, and the tube lining material is clamped from two directions.
- air bags 37 and 38 extending in the same direction as the air bags 34 and 35 in the direction of movement of the pipe lining material are airtightly attached to the other two side surfaces of the sealed box.
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- General Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006543084A JPWO2006046478A1 (ja) | 2004-10-28 | 2005-10-21 | 管ライニング材の反転方法及び装置、並びに反転装置を用いた管路更生工法 |
US10/570,954 US20080253843A1 (en) | 2004-10-28 | 2005-10-21 | Method and Apparatus for Everting a Pipe Lining Material and Construction Method for Rehabilitating a Pipeline Using the Eversion Apparatus |
EP05795565A EP1810814A1 (en) | 2004-10-28 | 2005-10-21 | Method and device for reversing pipe lining material and conduit restoring method using reversing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004313204 | 2004-10-28 | ||
JP2004-313204 | 2004-10-28 |
Publications (1)
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WO2006046478A1 true WO2006046478A1 (ja) | 2006-05-04 |
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ID=36227718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/019372 WO2006046478A1 (ja) | 2004-10-28 | 2005-10-21 | 管ライニング材の反転方法及び装置、並びに反転装置を用いた管路更生工法 |
Country Status (5)
Country | Link |
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US (1) | US20080253843A1 (ja) |
EP (1) | EP1810814A1 (ja) |
JP (1) | JPWO2006046478A1 (ja) |
TW (1) | TW200621479A (ja) |
WO (1) | WO2006046478A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008027973A3 (en) * | 2006-08-29 | 2008-09-12 | Ina Acquisition Corp | Reusable inversion sleeve assembly for inversion of cured in place liners |
JP2008539368A (ja) * | 2005-04-25 | 2008-11-13 | アイエヌエイ アクイジション コーポレーション | 現場硬化型ライナーの空気圧反転挿入及び蒸気硬化装置及び方法 |
JP2012516251A (ja) * | 2009-11-19 | 2012-07-19 | バンドー コンストラクション カンパニー リミテッド | 管路補修用チューブ材の反転装置 |
JP2012139934A (ja) * | 2010-12-31 | 2012-07-26 | Ashimori Industry Co Ltd | 可撓性筒状体の裏返し装置 |
KR101707071B1 (ko) * | 2016-03-10 | 2017-02-27 | 강성재 | 라이너 반전장치 및 이를 이용한 관로 보수 방법 |
JP2018086745A (ja) * | 2016-11-28 | 2018-06-07 | 志郎 中村 | ライニング材の連続送り出し装置及び連続送り方法、樹脂チューブ連続送り装置並びに密封容器及びその製造方法 |
KR102175748B1 (ko) * | 2020-04-06 | 2020-11-06 | 신승복 | 승강식 반전튜브 반전장치 및 이를 이용한 관로보수공법 |
KR102269518B1 (ko) * | 2020-07-30 | 2021-06-25 | 정지훈 | 반전튜브 공급수단을 구비하는 반전튜브 반전장치 및 이를 이용한 관로보수공법 |
KR102520504B1 (ko) * | 2022-01-12 | 2023-04-12 | 김철환 | 반전튜브 공급기능을 구비하는 반전튜브 반전장치 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011036125A1 (en) | 2009-09-22 | 2011-03-31 | Statoil Asa | Apparatus and method for lining a conduit |
DE102013010584B4 (de) * | 2013-06-26 | 2021-06-24 | I.S.T. Innovative Sewer Technologies Gmbh | Kanalsanierungsverfahren und Kanalsanierungssystem |
IT201900019277A1 (it) * | 2019-10-18 | 2021-04-18 | Eni Spa | Metodo e sistema per il rivestimento di condotte |
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US5358359A (en) * | 1993-04-30 | 1994-10-25 | Insituform (Netherlands) B.V. | Apparatus for everting a tube |
US5374174A (en) * | 1993-05-17 | 1994-12-20 | Insituform (Netherlands) B.V. | Apparatus for/installing a liner within a service pipe or the like |
JP2001322170A (ja) * | 2000-05-18 | 2001-11-20 | Shonan Gosei Jushi Seisakusho:Kk | 管ライニング材反転ノズル及び管ライニング工法 |
US6390795B1 (en) * | 2000-06-21 | 2002-05-21 | Repipe Holdings, Inc. | Apparatus for everting a tube |
US6708728B2 (en) * | 2001-07-17 | 2004-03-23 | Insituform (Netherlands) B.V. | Installation of cured in place liners with air and steam and installation apparatus |
US6827526B2 (en) * | 2002-05-15 | 2004-12-07 | Liqui-Force Sewer Services Inc. | Method and device for lining a sewer pipe |
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- 2005-10-21 WO PCT/JP2005/019372 patent/WO2006046478A1/ja active Application Filing
- 2005-10-21 JP JP2006543084A patent/JPWO2006046478A1/ja active Pending
- 2005-10-21 US US10/570,954 patent/US20080253843A1/en not_active Abandoned
- 2005-10-21 EP EP05795565A patent/EP1810814A1/en not_active Withdrawn
- 2005-10-28 TW TW094137793A patent/TW200621479A/zh unknown
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JPH01242231A (ja) * | 1988-03-25 | 1989-09-27 | Toubu Kuriinaa Service:Kk | 管路補修工法におけるライナー反転装置 |
JPH0323423U (ja) * | 1989-07-17 | 1991-03-12 | ||
JPH0374928U (ja) * | 1989-11-22 | 1991-07-26 | ||
JP2001030357A (ja) * | 2000-10-10 | 2001-02-06 | Hideyoshi Kimura | 排水取付管の補修方法及びそれに用いる装置 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008539368A (ja) * | 2005-04-25 | 2008-11-13 | アイエヌエイ アクイジション コーポレーション | 現場硬化型ライナーの空気圧反転挿入及び蒸気硬化装置及び方法 |
NO342331B1 (no) * | 2006-08-29 | 2018-05-07 | Ina Acquisition Corp | Gjenbrukbar omvenderbøssingsammenstilling for omvending av innlegg herdet på stedet |
JP2010502913A (ja) * | 2006-08-29 | 2010-01-28 | アイエヌエイ アクイジション コーポレーション | 現場硬化ライナーを反転させるための再利用可能な反転スリーブアセンブリ |
RU2471114C2 (ru) * | 2006-08-29 | 2012-12-27 | АйЭнЭй ЭКВИЗИШН КОРП. | Устройство многоразового использования и способ для инвертирования вкладышей, вулканизируемых на месте эксплуатации |
WO2008027973A3 (en) * | 2006-08-29 | 2008-09-12 | Ina Acquisition Corp | Reusable inversion sleeve assembly for inversion of cured in place liners |
JP2012516251A (ja) * | 2009-11-19 | 2012-07-19 | バンドー コンストラクション カンパニー リミテッド | 管路補修用チューブ材の反転装置 |
JP2012139934A (ja) * | 2010-12-31 | 2012-07-26 | Ashimori Industry Co Ltd | 可撓性筒状体の裏返し装置 |
KR101707071B1 (ko) * | 2016-03-10 | 2017-02-27 | 강성재 | 라이너 반전장치 및 이를 이용한 관로 보수 방법 |
JP2018086745A (ja) * | 2016-11-28 | 2018-06-07 | 志郎 中村 | ライニング材の連続送り出し装置及び連続送り方法、樹脂チューブ連続送り装置並びに密封容器及びその製造方法 |
KR102175748B1 (ko) * | 2020-04-06 | 2020-11-06 | 신승복 | 승강식 반전튜브 반전장치 및 이를 이용한 관로보수공법 |
WO2021206346A1 (ko) * | 2020-04-06 | 2021-10-14 | 신승복 | 승강식 반전튜브 반전장치 및 이를 이용한 관로보수공법 |
KR102269518B1 (ko) * | 2020-07-30 | 2021-06-25 | 정지훈 | 반전튜브 공급수단을 구비하는 반전튜브 반전장치 및 이를 이용한 관로보수공법 |
KR102520504B1 (ko) * | 2022-01-12 | 2023-04-12 | 김철환 | 반전튜브 공급기능을 구비하는 반전튜브 반전장치 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006046478A1 (ja) | 2008-05-22 |
TW200621479A (en) | 2006-07-01 |
EP1810814A1 (en) | 2007-07-25 |
US20080253843A1 (en) | 2008-10-16 |
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