JPH0624170Y2 - Pipe centering and fixing jig - Google Patents
Pipe centering and fixing jigInfo
- Publication number
- JPH0624170Y2 JPH0624170Y2 JP7977889U JP7977889U JPH0624170Y2 JP H0624170 Y2 JPH0624170 Y2 JP H0624170Y2 JP 7977889 U JP7977889 U JP 7977889U JP 7977889 U JP7977889 U JP 7977889U JP H0624170 Y2 JPH0624170 Y2 JP H0624170Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tire
- mounting pedestal
- target
- target pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Description
【考案の詳細な説明】 産業上の利用分野 本考案は推進工法用管などの内面をモルタルライニング
する際に用いられる管芯出固定治具に関する。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a pipe centering and fixing jig used for mortar lining the inner surface of a pipe for a propulsion method.
従来の技術 従来、推進工法用管の内部にモルタルライニングを施す
ときには、対象管の軸心方向の前後に一対ずつ配置され
た支持ローラ上に対象管を水平方向に配置し、対象管を
軸心まわりに回転させながら対象管内にモルタルを注入
していた。このとき、対象管の周部には真円の環状のタ
イヤが装着されており、対象管はタイヤを介して支持ロ
ーラに当接していた。2. Description of the Related Art Conventionally, when mortar lining is applied to the interior of a pipe for propulsion method, the target pipe is placed horizontally on a pair of support rollers arranged before and after in the axial direction of the target pipe. Mortar was being injected into the target tube while rotating around. At this time, a perfect circular annular tire was attached to the peripheral portion of the target tube, and the target tube was in contact with the support roller via the tire.
そして、タイヤに対して対象管を芯出しするとともに、
タイヤを対象管に固定するために複数の管芯出固定治具
がタイヤと対象管の間に管周部に沿って介装されてい
た。また、管芯出固定治具は、タイヤと対象管の間に対
象管の軸心方向から挿入した後に、対象管の半径方向に
押圧して芯出しと固定を行って装着されていた。Then, while centering the target pipe on the tire,
In order to fix the tire to the target pipe, a plurality of pipe centering / fixing jigs have been interposed between the tire and the target pipe along the circumference of the pipe. Further, the pipe centering / fixing jig is mounted by inserting it between the tire and the target pipe from the axial direction of the target pipe, and then pressing in the radial direction of the target pipe to perform centering and fixing.
考案が解決しようとする課題 しかし、上記した従来の構成によれば、対象管の回転時
に管芯出固定治具が対象管の軸芯方向にずれて飛び出す
危険があり、防災上の問題点とされていた。However, according to the conventional configuration described above, there is a risk that the pipe centering / fixing jig may be displaced in the axial center direction of the target pipe and pop out when the target pipe is rotated, which is a problem in disaster prevention. It had been.
本考案は上記課題を解決するもので、タイヤと対象管の
間に確実に固定して装着することができる管芯出固定治
具を提供することを目的とする。The present invention solves the above problems, and an object of the present invention is to provide a pipe centering and fixing jig that can be securely fixed and mounted between a tire and a target pipe.
課題を解決するための手段 上記課題を解決するための本考案は対象管と対象管に遊
嵌して配置される環状のタイヤとの間に介装され、タイ
ヤに対して対象管を芯出して固定する管芯出固定治具に
おいて、タイヤに形成された雌ねじ部に螺合して設けら
れ、タイヤの半径方向に出退する雄ねじ部と、この雄ね
じ部の一端で支持してタイヤの内側に配置され、前記雄
ねじ部の回転を許容するように設けられた取付台座部
と、この取付台座部に抱き付くようにしてタイヤと対象
管の間に介装され、取付台座部に対して対象管の軸心方
向に挿抜自在に設けられた管押圧部と、この管押圧部に
一体に形成され、取付台座部を対象管の軸心方向におい
て係止する固定ストッパ部と、取付台座部を介して固定
ストッパ部の反対側に位置して管押圧部に設けられ、対
象管の半径方向に出退して取付台座部を対象管の軸心方
向において係止する可動ストッパ部とを備えた構成とし
たものである。Means for Solving the Problems The present invention for solving the above problems is interposed between a target pipe and an annular tire that is loosely fitted to the target pipe and centers the target pipe on the tire. In a pipe centering / fixing jig that is fixed with a male threaded portion that is provided by being screwed into a female threaded portion formed on the tire and that extends and retracts in the radial direction of the tire, and the inside of the tire that is supported by one end of this male threaded portion. And a mounting pedestal portion that is provided to allow rotation of the male screw portion, and is interposed between the tire and the target pipe so as to cling to the mounting pedestal portion, and is attached to the mounting pedestal portion. The pipe pressing part is provided so that it can be inserted and removed in the axial direction of the pipe, the fixed stopper part that is formed integrally with this pipe pressing part and locks the mounting pedestal part in the axial direction of the target pipe, and the mounting pedestal part. Located on the opposite side of the fixed stopper through the pipe pressing The movable stopper part is provided to move in and out in the radial direction of the target pipe to lock the mounting pedestal part in the axial direction of the target pipe.
作用 上記した構成により、治具を装着するときには、予めタ
イヤに取付台座部を取付ておく。この取付はタイヤの雌
ねじ部に雄ねじ部をタイヤの内側から螺入して行う。そ
して、管押圧部を取付台座部に対象管の軸心方向に挿入
して取付台座部を抱き込むように装着し、固定ストッパ
部で取付台座部を係止する。このとき、可動ストッパ部
は取付台座部の挿入を阻害しないように、対象管の半径
方向において後退した状態にある。そして、雄ねじ部を
雌ねじ部との螺合によって対象管の半径方向に突出さ
せ、取付台座部を介して管押圧部を対象管の半径方向に
押圧することによって、対象管をタイヤに対して芯出す
るとともに固定する。そして、対象管が軸心まわりに回
転する状態において、可動ストッパ部は遠心力に付勢さ
れて対象管の半径方向に突出し、取付台座部を対象管の
軸心方向において係止する。したがって、固定ストッパ
部と可動ストッパ部が対象管の軸心方向における取付台
座部の両端を係止することによって、管押圧部の抜け出
しが防止される。Action With the above configuration, when the jig is mounted, the mounting pedestal is mounted on the tire in advance. This mounting is done by screwing a male screw part into the female screw part of the tire from the inside of the tire. Then, the pipe pressing portion is inserted into the mounting pedestal portion in the axial direction of the target pipe so as to hold the mounting pedestal portion, and the fixed stopper portion locks the mounting pedestal portion. At this time, the movable stopper portion is in a retracted state in the radial direction of the target pipe so as not to hinder the insertion of the mounting pedestal portion. Then, the male screw portion is projected in the radial direction of the target pipe by screwing with the female screw portion, and the pipe pressing portion is pressed in the radial direction of the target pipe through the mounting pedestal portion, so that the target pipe is cored with respect to the tire. Fix it as you take it out. Then, in a state where the target tube rotates around the axis, the movable stopper portion is urged by the centrifugal force to project in the radial direction of the target tube, and locks the mounting pedestal portion in the axis direction of the target tube. Therefore, the fixed stopper portion and the movable stopper portion lock both ends of the mounting pedestal portion in the axial direction of the target pipe, whereby the pipe pressing portion is prevented from coming out.
実施例 以下本考案の一実施例を図面に基づいて説明する。第１
図〜第４図において、対象管である大径の鋳鉄管１はタ
イヤ２を介して一対の支持ローラ３に支持されており、
支持ローラ３の回転によって軸心まわりに回転する。そ
して、タイヤ２は鋳鉄管１に遊嵌して配置されており、
鋳鉄管１とタイヤ２の間には複数の管芯出固定治具４が
管周部に沿って配置されており、管芯出固定治具４によ
ってタイヤ２に対する鋳鉄管１の芯出しと固定を行って
いる。Embodiment An embodiment of the present invention will be described below with reference to the drawings. First
In FIGS. 4 to 4, a large diameter cast iron pipe 1 which is a target pipe is supported by a pair of support rollers 3 via a tire 2,
The rotation of the support roller 3 causes the support roller 3 to rotate about its axis. The tire 2 is arranged so as to be loosely fitted to the cast iron pipe 1,
A plurality of pipe centering and fixing jigs 4 are arranged along the pipe peripheral portion between the cast iron pipe 1 and the tire 2, and the pipe centering and fixing jig 4 centers and fixes the cast iron pipe 1 on the tire 2. It is carried out.
そして、タイヤ２には半径方向に雌ねじ部５が形成され
ており、雌ねじ部５に螺合して雄ねじ部６が配置されて
いる。この雄ねじ部６は雌ねじ部５との螺合によってタ
イヤ２の半径方向に出退する。また、タイヤ２の内側に
位置して取付台座部７が配置されており、取付台座部７
は雄ねじ部６一端で支持されている。また取付台座部７
は雄ねじ部６の回転を許容するように雄ねじ部６に取付
られており、さらに取付台座部７には鋳鉄管１の軸心方
向に沿ってガイド溝８が両側に形成されている。そし
て、取付台座部７に抱き付くようにして管押圧部９がタ
イヤ２と鋳鉄管１の間に介装されている。この取付台座
部７は箱部10と一対のアーム11とからなり、アーム11は
箱部10の一側部に相対向するように設けられている。そ
して、アーム11には取付台座部７に係合する突部12が形
成されており、管押圧部９は突部12を介してガイド溝８
に鋳鉄管１の軸心方向に挿抜自在に支持されている。ま
た、アーム11に挟まれた箱部10の一側部には固定ストッ
パ部13が箱部10と一体に形成されており、固定ストッパ
部13は取付台座部７を鋳鉄管１の軸心方向において係止
している。そして、可動ストッパ部14が取付台座部７を
介して固定ストッパ部13と反対側の位置に配置されてい
る。この可動ストッパ部14は、箱部10の一側部に形成し
た穴15から鋳鉄管１の半径方向に一定距離にわたって出
退自在なように箱部10の内部に設けられている。A female screw portion 5 is formed in the tire 2 in the radial direction, and a male screw portion 6 is arranged so as to be screwed into the female screw portion 5. The male screw portion 6 is screwed with the female screw portion 5 to move in and out in the radial direction of the tire 2. Further, the mounting pedestal portion 7 is arranged inside the tire 2, and the mounting pedestal portion 7 is provided.
Is supported at one end of the male screw portion 6. Also, the mounting base 7
Is attached to the male screw portion 6 so as to allow the rotation of the male screw portion 6, and the mounting pedestal portion 7 is formed with guide grooves 8 on both sides along the axial direction of the cast iron pipe 1. A pipe pressing portion 9 is interposed between the tire 2 and the cast iron pipe 1 so as to be attached to the mounting pedestal portion 7. The mounting pedestal portion 7 includes a box portion 10 and a pair of arms 11. The arm 11 is provided so as to face one side portion of the box portion 10. The arm 11 is formed with a protrusion 12 that engages with the mounting pedestal 7, and the pipe pressing portion 9 has the guide groove 8 through the protrusion 12.
Is supported so that it can be inserted and removed in the axial direction of the cast iron pipe 1. Further, a fixed stopper portion 13 is integrally formed with the box portion 10 on one side of the box portion 10 sandwiched by the arms 11, and the fixed stopper portion 13 mounts the mounting pedestal portion 7 in the axial direction of the cast iron pipe 1. Locked at. The movable stopper portion 14 is arranged at a position opposite to the fixed stopper portion 13 with the mounting base portion 7 interposed therebetween. The movable stopper portion 14 is provided inside the box portion 10 so as to be able to move back and forth over a certain distance in the radial direction of the cast iron pipe 1 from a hole 15 formed in one side portion of the box portion 10.
以下、上記構成における作用について説明する。治具を
装着するときには、予めタイヤ２に取付台座部７を取付
ておく。この取付はタイヤ２の雌ねじ部５に雄ねじ部６
をタイヤ２の内側から螺入して行う。そして、ガイド溝
８に突部12を係合させながら管押圧部９を取付台座部７
に鋳鉄管１の軸心方向に挿入して取付台座部７を抱き込
むように装着し、固定ストッパ部13で取付台座部７を係
止する。このとき、可動ストッパ部14は取付台座部７の
挿入を阻害しないように、箱部10の内部に後退した状態
にある。そして、雄ねじ部６を雌ねじ部５との螺合によ
って鋳鉄管１の半径方向に突出させ、取付台座部７を介
して管押圧部９を鋳鉄管１の半径方向に押圧することに
より、鋳鉄管１をタイヤ２に対して芯出しするとともに
固定する。そして、鋳鉄管１が軸心まわりに回転する状
態において、可動ストッパ部14は遠心力に付勢されて鋳
鉄管１の半径方向に突出し、取付台座部７を鋳鉄管１の
軸心方向において係止する。したがって、固定ストッパ
部13と可動ストッパ部14が取付台座部７の両端を係止す
ることによって、管押圧部９の抜け出しが防止される。The operation of the above configuration will be described below. When mounting the jig, the mounting base 7 is mounted on the tire 2 in advance. This attachment is performed by connecting the female screw part 5 of the tire 2 to the male screw part 6
Is screwed in from the inside of the tire 2. Then, while engaging the projection 12 with the guide groove 8, the pipe pressing portion 9 is attached to the mounting pedestal portion 7.
Then, the cast iron pipe 1 is inserted in the axial direction of the cast iron pipe 1 so that the mount base 7 is mounted so as to be held therein, and the mount base 7 is locked by the fixed stopper portion 13. At this time, the movable stopper portion 14 is retracted inside the box portion 10 so as not to hinder the insertion of the mounting pedestal portion 7. Then, the male screw part 6 is projected in the radial direction of the cast iron pipe 1 by screwing with the female screw part 5, and the pipe pressing part 9 is pressed in the radial direction of the cast iron pipe 1 via the mounting pedestal part 7, thereby forming the cast iron pipe. 1 is centered and fixed to the tire 2. Then, when the cast iron pipe 1 is rotated around the axis, the movable stopper portion 14 is urged by the centrifugal force to project in the radial direction of the cast iron pipe 1, and the mounting pedestal portion 7 is engaged in the axial direction of the cast iron pipe 1. Stop. Therefore, the fixed stopper portion 13 and the movable stopper portion 14 lock both ends of the mounting base portion 7 to prevent the pipe pressing portion 9 from coming off.
考案の効果 以上述べたように本考案によれば、可動ストッパ部が、
対象管の回転による遠心力に付勢されて対象管の半径方
向に突出することにより、固定ストッパ部と可動ストッ
パ部とで取付台座部の両端を係止して管押圧部の抜け出
しを防止することができる。As described above, according to the present invention, the movable stopper is
By being urged by the centrifugal force due to the rotation of the target pipe to project in the radial direction of the target pipe, both ends of the mounting pedestal are locked by the fixed stopper part and the movable stopper part to prevent the pipe pressing part from coming out. be able to.
【図面の簡単な説明】 第１図は本考案の一実施例を示す全体構成図、第２図は
同実施例の管芯出固定治具の全体斜視図、第３図は同実
施例の上面図、第４図は第３図のＡ−Ａ矢視断面図であ
る。 １…鋳鉄管、２…タイヤ、４…管芯出固定治具、５…雌
ねじ部、６…雄ねじ部、７…取付台座部、９…管押圧
部、13…固定ストッパ部、14…可動ストッパ部。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, FIG. 2 is an overall perspective view of a pipe centering and fixing jig of the same embodiment, and FIG. 3 is a view of the same embodiment. A top view and FIG. 4 are sectional views taken along the line AA of FIG. 1 ... Cast iron pipe, 2 ... Tire, 4 ... Pipe centering fixing jig, 5 ... Female screw part, 6 ... Male screw part, 7 ... Mounting base part, 9 ... Pipe pressing part, 13 ... Fixed stopper part, 14 ... Movable stopper Department.
フロントページの続き (56)参考文献 特開 昭54−50520（ＪＰ，Ａ) 実開 昭54−146766（ＪＰ，Ｕ) 実開 昭51−92554（ＪＰ，Ｕ)Continuation of the front page (56) Reference JP-A-54-50520 (JP, A) Actually opened 54-146766 (JP, U) Actually opened 51-92554 (JP, U)
Claims (1)
のタイヤとの間に介装され、タイヤに対して対象管を芯
出して固定する管芯出固定治具において、タイヤに形成
された雌ねじ部に螺合して設けられ、タイヤの半径方向
に出退する雄ねじ部と、この雄ねじ部の一端で支持して
タイヤの内側に配置され、前記雄ねじ部の回転を許容す
るように設けられた取付台座部と、この取付台座部に抱
き付くようにしてタイヤと対象管の間に介装され、取付
台座部に対して対象管の軸心方向に挿抜自在に設けられ
た管押圧部と、この管押圧部に一体に形成され、取付台
座部を対象管の軸心方向において係止する固定ストッパ
部と、取付台座部を介して固定ストッパ部の反対側に位
置して管押圧部に設けられ、対象管の半径方向に出退し
て取付台座部を対象管の軸心方向において係止する可動
ストッパ部とを備えたことを特徴とする管芯出固定治
具。1. A pipe centering / fixing jig which is interposed between a target pipe and an annular tire which is loosely fitted to the target pipe and which centers and fixes the target pipe on the tire. And a male screw portion which is provided by being screwed into the female screw portion formed in the radial direction of the tire and is supported by one end of the male screw portion and arranged inside the tire to allow rotation of the male screw portion. The mounting pedestal provided as described above and the mounting pedestal are interposed between the tire and the target pipe so as to be clung to the mounting pedestal, and the mounting pedestal is provided so as to be freely inserted and removed in the axial direction of the target pipe. A pipe pressing portion, a fixed stopper portion that is integrally formed with the pipe pressing portion and that locks the mounting pedestal portion in the axial direction of the target pipe, and is located on the opposite side of the fixed stopper portion through the mounting pedestal portion. It is installed in the pipe pressing part and moves in and out in the radial direction of the target pipe to face the mounting pedestal part. Fixture out tube core, characterized in that a movable stopper for locking in the axial direction of the tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7977889U JPH0624170Y2 (en) | 1989-07-06 | 1989-07-06 | Pipe centering and fixing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7977889U JPH0624170Y2 (en) | 1989-07-06 | 1989-07-06 | Pipe centering and fixing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0320108U JPH0320108U (en) | 1991-02-27 |
| JPH0624170Y2 true JPH0624170Y2 (en) | 1994-06-29 |
Family
ID=31624247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7977889U Expired - Lifetime JPH0624170Y2 (en) | 1989-07-06 | 1989-07-06 | Pipe centering and fixing jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624170Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102503304B1 (en) * | 2021-07-22 | 2023-02-23 | 김민규 | Filtration of foreign substances in drainage pipes |
-
1989
- 1989-07-06 JP JP7977889U patent/JPH0624170Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0320108U (en) | 1991-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |