JPH10176771A - Lining pipe manufacturing device and shield secondary lining method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipe device composed of a lining pipe to perform high- efficient and comfortable manufacture of a lining pipe and to provide a shield secondary lining method. SOLUTION: A pipe manufacturing device 1 is formed such that a lining pipe 60 is formed in a pipe closed conduit 5 such that with a long profile 6 fed in the pipe closed conduit 5 helically wound, the joining rib and the joining groove, making contact with each other, of the long profile 6 are joined together and in a state that along with formation thereof, a lining pipe 60 is unwound to the rear, the lining pipe is advanced through the pipe closed conduit 5. The pipe manufacturing device comprises a plurality of guide roller 2 to guide the lining pipe 60 unwound in a state to make contact with the inner surface of the lining pipe 60: a joining mechanism part 3 to run round on the inner surface of the closed conduit 5 and join together the joining rib and the joining groove of the long profile 6; and a slide plate 4 arranged at least at the lower half part of the outer shell of the guide roller 2 without buffering running-round movement of the joining mechanism part 3 and smooth advancing of the pipe manufacturing device 1 in the pipe closed conduit 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe producing apparatus for producing a lining pipe in a sewer, and a shield secondary cover for producing a lining pipe in a sewer having an uneven inner peripheral surface. It relates to the construction method.

[0002]

2. Description of the Related Art In general, a long profile formed in a long strip shape having joints on both side edges is continuously supplied into a sewer, and the long profile is spirally formed in the sewer. A method of forming a lining pipe in a sewer by joining the joints of the long profile which are in contact with each other while winding the long profile is known.

Conventionally, in this method of constructing a lining pipe, a pipe-forming operation for joining mutually joined joints while spirally winding a long profile is performed by a guide roller arranged in an annular shape and a pipe culvert. It has been proposed to use a pipe-making apparatus provided with a joining mechanism that moves around the inner surface (see, for example, Japanese Patent Application Laid-Open No. H5-16939).

[0004]

However, in the case of the above-mentioned conventional pipe making apparatus, since the joining mechanism is configured to move while moving around the inner surface of the culvert, there are irregularities in the culvert. In such a case, the joining mechanism is fitted into the unevenness and cannot move around, so that the pipe making operation is stopped. In this case, the operator must go to the vicinity of the pipe-making apparatus and restart the pipe-making apparatus.However, in the case of a pipe-making apparatus for making a large-diameter pipe, it is very difficult because the weight of the pipe-making apparatus becomes large. Work. Conversely, in the case of a pipe making apparatus for making pipes having a small diameter, an inconvenience such that a worker cannot be restarted because a worker cannot enter the pipe canal is caused.

[0005] In particular, in the case of a shield secondary lining method in which a plurality of segments are connected to form a lining pipe in a pipe with an uneven inner peripheral surface, the above-mentioned conventional pipe-making apparatus is used. Since the joining mechanism portion is easily fitted into the uneven portion of the sewer, it is impossible to smoothly perform the pipe production work of the lining pipe.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a lining pipe forming apparatus capable of efficiently and comfortably forming a lining pipe, and a shield secondary lining method. It is intended to be.

[0007]

According to the present invention, there is provided a lining pipe manufacturing apparatus for forming a long strip having joints at both side edges and continuously supplying the pipe into a sewer. While the long profile to be formed is spirally wound, the joining portions of the long profile that are in contact with each other are joined together to form a lining pipe in the culvert, and the lining pipe is fed back along with this formation. A plurality of guide rollers for guiding a lining pipe to be fed out in contact with an inner surface of a formed lining pipe, and an inner surface of the culvert. A joining mechanism for joining the joints of the long profile while moving around, and without buffering the orbital movement of the joining mechanism, provided at least in the lower half of the outer periphery of the guide roller,
A slide plate for facilitating the progress of the pipe-making apparatus in the sewer.

In order to solve the above-mentioned problems, a sealed secondary lining method according to the present invention is characterized in that a plurality of segments are connected to each other in a cylindrical shape so that the inner peripheral surface of the sewer is made uneven. Supply a long profile formed in a long strip shape having a joint portion, this long profile,
A shield secondary lining method which is formed as a lining pipe by a pipe manufacturing apparatus including a joining mechanism, a guide roller, and a slide plate, wherein a long profile is formed by a joining mechanism which moves around the inner surface of a sewer. While spirally winding the lining tube, the joining portions of the long profile that are in contact with each other are joined together, and the inner surface of the lining tube formed by this is formed by guiding the inner surface of the lining tube by a guide roller to form a lining tube in the sewer. The movement of the pipe making apparatus in the sewer accompanying the formation of the lining pipe is smoothly performed by the slide plate provided at least in the lower half of the outer periphery of the guide roller without buffering the circumferential movement of the joining mechanism. Things.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an outline of a pipe producing apparatus 1, and FIGS. 2 and 3 show a shield secondary lining state of the pipe producing apparatus 1. FIG.

That is, the pipe making apparatus 1 is for forming a lining pipe 60 having a long profile 6 in a sewer 5, and includes a guide roller 2, a joining mechanism 3, and a slide plate 4. doing.

As shown in FIG. 4, the conduit 5 is formed in a cylindrical shape by connecting a plurality of box-shaped segments 50 together.
Therefore, the inner peripheral surface of the duct 5 is in a state in which irregularities due to the segments 50 are formed.

As shown in FIG. 5, the long profile 6 is formed in a long strip shape, and a plurality of ribs 61 project from the outer surface thereof along the longitudinal direction. A joining rib 62 having a height lower than that of the rib 61 protrudes from one edge of the long profile 6 along the longitudinal direction. On the other hand, a joining groove 63 to which the joining rib 62 is joined is formed along the longitudinal direction on the inner surface of the rib 61 on the other side edge of the long profile 6. Then, as shown in FIG. 5B, the lining tube 60 can be formed by joining the joining ribs 62 to the joining grooves 63 while spirally winding the long profile 6. The long profile 6 is fed out from the supply device 7 installed on the ground into the manhole 51 and supplied into the sewer 5. Further, a delivery device 8 for stabilizing the supply state of the long profile 6 is provided in the sewer 5.
Is provided so that the long profile 6 can be supplied deep inside the culvert 5 to construct the lining pipe 60 over a long distance. The delivery device 8 can be operated from the ground by a hydraulic drive unit 81 installed on the ground.

The guide rollers 2 are arranged on the outer periphery of the guide frame 21 at predetermined intervals at a predetermined angle in an annular shape.

The joining mechanism 3 is fixed to the front end of the guide frame 21, and is configured to rotate a pair of joining rollers 33 from a hydraulic motor 31 via a gear mechanism 32.
As shown in FIG. 6, the joining roller 33 includes an inner roller 33 a along the inner surface of the elongated profile 6 and an outer roller 33 b having a flange 331 fitted between the ribs 62 of the elongated profile 6. The joining mechanism 3 is provided between the inner roller 33a and the outer roller 33b.
By rotating while holding the long profile 6, the lining pipe 5 is formed by moving around the inner surface of the culvert 5 while joining the joining ribs 62 and the joining grooves 63 of the long profile 6. Has been made. Also, the joining mechanism 3
Is provided with an outer roller 34 on the outer peripheral portion thereof.
When the joining mechanism 3 moves around the inner surface of the sewer 5, the outer roller 34 comes into contact with the inner surface of the sewer 5 and stops moving around. Has been made to prevent.

The slide plate 4 is formed in a semi-cylindrical shape so as to cover the lower half of the outer periphery of the guide roller 2, and its front end is curved in the diameter reducing direction. A leg 41 is erected from the inner surface of the slide plate 4 and is connected to a leg 35 extending from the joining mechanism 3 via a rotary joint 42. The guide roller 2 and the joining mechanism 3 are rotatable with respect to the slide plate 4. In addition, even if the joining mechanism 3 moves around along with the formation of the lining tube 60, a sufficient gap is provided between the guide roller 2 and the slide plate 4 so that the joining mechanism 3 does not buffer. Is provided.

The slide plate 4 supports the weight of the pipe-making apparatus 1 and slides on the bottom of the inner peripheral surface of the pipe-making apparatus 5 when the pipe-making apparatus 1 advances through the inside of the culvert 5 by forming the lining pipe 60. I do. For this reason, it is preferable that the slide plate 4 is made of steel or a metal such as stainless steel so that even if the weight of the pipe-making apparatus 1 is applied, the tube is not broken or deformed significantly.

Further, the slide plate 4 is adapted to prevent the joining mechanism 3 moving around to contact the unevenness of the segment 50 constituting the conduit 5. That is, the joining mechanism 3 is used to connect the segments 5
There is a possibility of contact with the irregularities of 0 when the joining mechanism moves around the lower half of the pipe-making apparatus 1. Therefore, the shape of the slide plate 4 may be a semi-cylindrical shape that covers the lower half of the outer periphery of the guide roller 2 as described above. The guide roller 2 may have a cylindrical shape that covers the entire outer periphery of the guide roller 2.

Further, as shown in FIG. 7, the slide plate 4 may be provided with rollers 40 and wheels (not shown) on its outer surface. In this case, the rollers 40 and wheels (not shown)
The number and the size of the
Is determined each time according to the degree of unevenness and the shape of the sewer 5.

Furthermore, if the slide plate 4 is too long in the longitudinal direction of the conduit 5, there is a concern that the slide plate 4 may be easily caught when the pipe making device 1 is used in the curved conduit 5. The minimum length is sufficient to cover the roller 2 and the joining mechanism 3.

The pipe producing apparatus 1 configured as described above has
It is operated from the ground by a hydraulic drive unit 10 arranged on the ground. And by this operation, the pipe-making apparatus 1
The joining mechanism 3 spirally winds the long profile 6 while moving around the inner surface of the duct 5, and joins the joining rib 62 and the joining groove 63 of the long profile 6 which are in contact with each other to join the duct. The lining tube 60 is formed in 5.

Further, by the formation of the lining pipe 60, the pipe producing apparatus 1 transfers the formed lining pipe 60 to the sewer 5
While passing through the inside of the pipe 5. At this time, the guide roller 2 is connected to the lining pipe 60 to be formed.
And guides the degree of extension of the lining tube 60.

Further, when the pipe-making apparatus 1 advances in the duct 5, the slide plate 4 supports the own weight of the pipe-making apparatus 1 and
Because the bottom of the inner peripheral surface of the pipe 5 slides, the joining mechanism 3 can be prevented from being fitted into the unevenness of the segment 50 constituting the conduit 5 and stopping the pipe-making apparatus 1, and the efficiency can be improved. The shield secondary lining work can be performed well and comfortably.

In this embodiment, the cylindrical pipe 5
Although the pipe making apparatus 1 in which the cylindrical lining pipe 60 is formed is described, the pipe forming apparatus is not particularly limited to such a shape, and as shown in FIGS. The pipe-making apparatus 1 configured to form the box-type lining pipe 60 in the culvert 5 may be used. That is, in the pipe producing apparatus 1, a plurality of roller receivers 23 are mounted on a box-shaped annular guide frame 22, and these roller receivers 23 are slidable around the guide frame 22. Also, each roller receiver 23
, The guide roller 2 is attached, and each roller receiver 23 is connected to an adjacent roller receiver 23 via a link 24. Each guide roller 2 is configured to be rotatable on a box-shaped trajectory along the periphery of the guide frame 22. A central shaft portion 26 is provided on the inner peripheral portion of the guide frame 22 via a rib 25, and a space between the central shaft portion 26 and a leg portion 41 erected from the inner surface of the slide plate 4 is provided. , Are connected via a rotary joint 42.

Further, in this embodiment, the shield secondary lining method for forming the lining pipe 60 on the conduit 5 having an uneven inner peripheral surface by connecting the plurality of segments 50 is described. In addition to such a shield secondary lining method, the pipe making apparatus 1 can be effectively used as long as the pipe culvert 5 has an uneven inner peripheral surface due to aging due to aging, cracks due to an earthquake, or the like. Can be used.

Further, in this embodiment, a case is described in which a long profile 6 as shown in FIG. 5 is used, but a long flow file 9 as shown in FIG. 10 may be used. That is, the long profile 9 includes a band-plate-shaped main body member 91 and a band-shaped fitting member 92 that joins mutually adjacent side edges when the main body member 91 is spirally wound. Have. The main body member 91 has a fitting portion 91b provided at each side edge of the band-shaped substrate main body portion 91a, and a plurality of T-shaped cross-sections arranged at equal intervals on the back surface of the substrate main body portion 91a. And the reinforcing rib 91c.

Each fitting portion 91b rises at a right angle from each side edge of the board main body 91a and is bent outward at right angles, and its tip is bent at right angles toward the substrate main body 91a. It has a U-shaped cross section. At the tip of each fitting portion 91b, there is provided an engaging portion 91d projecting in a semi-spherical cross section toward the inside of the U-shaped cross section.

The band-shaped fitting member 92 has a U-shaped cross section. As shown in FIG. 10B, the main body member 91 is spirally wound so that the adjacent fitting portions 91b are connected to each other. When they are brought into contact with each other, the fitting portions 91b in the butted state can be integrally fitted.

[0029] Such a long profile 9 is
After the main body member 91 is formed into a tubular shape along the inner peripheral surface of the sewer 5 by the pipe making device 1 disposed therein, the fitting member 9 is formed.
2 are fitted so as to integrally include adjacent fitting portions 91b. Alternatively, before the main body member 91 is introduced into the pipe manufacturing apparatus 1, the fitting member 92 is inserted into one of the fitting portions 91b.
Are fitted in advance, and after the main body member 91 is formed into a tubular shape by the pipe producing apparatus 1, the fitting member 92 is
The other fitting portion 9 in the tubular main body member 91
1b.

[0030]

As described above, according to the pipe-making apparatus of the present invention, the slide plate for smoothing the progress of the pipe-making apparatus in the pipe without damping the orbital movement of the fitting roller is provided. Since it is provided at least in the lower half of the outer circumference of the guide roller,
Even when there are irregularities or steps in the sewer, it is possible to prevent the fitting roller from being fitted into these irregularities and steps and stopping the pipe-making work, and to efficiently perform the operation. The lining pipe can be constructed comfortably.

Further, according to the shield secondary lining method of the present invention, the movement of the fitting roller and the guide roller in the duct along with the formation of the lining pipe can be guided without buffering the circumferential movement of the fitting roller. Since the slide plate is provided at least in the lower half of the outer shell of the roller, it is possible to prevent the fitting roller from fitting into the concave portion of the segment or the gap between the segments in the sewer and stopping the pipe production work. The shield secondary lining work can be performed efficiently and comfortably.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an outline of the overall configuration of a pipe producing apparatus.

FIG. 2 is a sectional view of a main part showing a shield secondary lining method by a pipe manufacturing apparatus.

FIG. 3 is a cross-sectional view schematically showing the overall configuration of a secondary shield lining method using a pipe manufacturing apparatus.

FIG. 4 is a partial perspective view showing the inside of a sewer.

FIGS. 5A and 5B are a partial perspective view showing a long profile used in a shield secondary lining method and a cross-sectional view showing a joining state of the long profiles.

FIG. 6 is a cross-sectional view showing a joining state of a long profile by a joining mechanism.

FIG. 7 is a perspective view showing another embodiment of the slide plate.

FIG. 8 is a front view showing another embodiment of the pipe producing apparatus.

FIG. 9 is a cross-sectional view showing another embodiment of the pipe producing apparatus.

FIGS. 10A and 10B are a cross-sectional view and a partially exploded perspective view showing another embodiment of the long profile, showing a joined state of the long profile.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pipe-making apparatus 2 Guide roller 3 Joining mechanism part 4 Slide plate 5 Sewer 50 Segment 6 Long profile 60 Lining pipe 62 Joining rib (joining part) 63 Joining groove (joining part) 9 Long profile 91b Fitting part (joining) Part) 92 Fitting member (joining part)

Claims (2)

[Claims] 1. A long profile formed in a long strip shape having joints at both side edges and continuously supplied into a pipe, spirally winding the long profile while connecting the long profiles. A pipe-making apparatus which is formed such that a lining pipe is formed in a sewer by joining the joints to be formed and the lining pipe is advanced backward in the sewer with the formation of the lining pipe. A plurality of guide rollers for guiding the lining pipe fed out while being in contact with the inner surface of the formed lining pipe, and a joining mechanism for joining the joints of the long profile while moving around the inner surface of the sewer, A lining pipe provided with at least a lower half of the outer periphery of the guide roller without buffering the orbital movement of the mechanism, and a slide plate for facilitating the progress of the pipe-making apparatus in the sewer. Pipe-making equipment. 2. A long profile formed in a long strip shape having joints on both side edges is supplied into a conduit having an irregular inner peripheral surface by connecting a plurality of segments into a cylindrical shape. A shield secondary lining method in which this long profile is formed as a lining pipe by a pipe-making apparatus having a joining mechanism, a guide roller, and a slide plate, and moves around the inner surface of the sewer. While the long profile is spirally wound by the joining mechanism, the mutually joined joints of the long profile are joined to each other, and the inner surface of the lining tube formed by this is guided while being guided by guide rollers. A lining pipe is formed in the culvert, and the movement of the pipe making device in the culvert accompanying the formation of the lining pipe is not buffered by the circular movement of the joining mechanism,
A secondary shield lining method, which is performed smoothly by a slide plate provided at least in a lower half of an outer periphery of a guide roller.