JP3023283U - Bending correction device for buried PVC pipes - Google Patents

Bending correction device for buried PVC pipes

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Publication number
JP3023283U
JP3023283U JP1995010828U JP1082895U JP3023283U JP 3023283 U JP3023283 U JP 3023283U JP 1995010828 U JP1995010828 U JP 1995010828U JP 1082895 U JP1082895 U JP 1082895U JP 3023283 U JP3023283 U JP 3023283U
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JP
Japan
Prior art keywords
pipe
vinyl chloride
chloride pipe
buried
metal
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
Application number
JP1995010828U
Other languages
Japanese (ja)
Inventor
剛 越智
Original Assignee
剛 越智
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Priority to JP1995010828U priority Critical patent/JP3023283U/en
Application granted granted Critical
Publication of JP3023283U publication Critical patent/JP3023283U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Sewage (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

(57)【要約】 【目的】 下水用の塩化ビニール管の埋設にあたって、
湾曲している塩化ビニール管の曲がりを矯正する。 【構成】 湾曲している塩化ビニール管(VP)に挿入
して曲がりを矯正した状態で埋設して周囲を埋め固めた
後引き抜くものであって、塩化ビニール管(VP)より
若干短い金属管(1)の全長にわたる外周面の複数箇所
に点在して、塩化ビニール管(VP)の内周に接して金
属管(1)の軸心方向に回転可能な転動部材(3)を取
付けるとともに、金属管(1)の一端または両端に塩化
ビニール管(VP)内に挿入及び塩化ビニール管(V
P)内から引き抜くためのワイヤー(5)を連結するワ
イヤー連結手段(4)を持ち、さらに金属管(1)の一
端に、レーザー光線によって埋設勾配を設定するための
ターゲット板(6)を取り付けた埋設する塩化ビニール
管の曲がり矯正装置である。
(57) [Summary] [Purpose] When burying vinyl chloride pipes for sewage,
Correct the bending of curved PVC pipe. [Structure] Inserted into a curved vinyl chloride pipe (VP), buried in a state where the bend is corrected, the surroundings are filled and solidified, and then pulled out, and a metal pipe (slightly shorter than the vinyl chloride pipe (VP) ( 1) The rolling member (3) is attached to the inner circumference of the vinyl chloride pipe (VP) so as to be rotatable in the axial direction of the metal pipe (1) while being scattered at a plurality of locations on the outer circumferential surface over the entire length of 1). , Insert the vinyl pipe (VP) into one end or both ends of the metal pipe (1) and the vinyl chloride pipe (V
P) has a wire connecting means (4) for connecting a wire (5) for pulling out from the inside, and a target plate (6) for setting a buried gradient by a laser beam is attached to one end of the metal tube (1). It is a bend correction device for buried PVC pipes.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、下水管工事における埋設する塩化ビニール管の曲がり矯正装置に関 するものである。 The present invention relates to a bending correction device for a buried vinyl chloride pipe in sewer pipe construction.

【0002】[0002]

【従来の技術】[Prior art]

排水源から下水本管に到る間の下水管路として塩化ビニール管が一般に広く用 いられるが、塩化ビニール管は普通定尺4mであり、この定尺4mの間が大なり 小なり湾曲している場合が多いものであるが、湾曲している塩化ビニール管をそ のまま埋設すると正確な流れ勾配が得られず、垂れ下がった部分に汚泥が溜まっ て下水の流れを阻害するといった状態を招くこととなるため、曲がりを矯正して 埋設する必要があり、従来は施工者が埋設のために掘削した溝壁との間に現場合 わせで物を挟み込む等種々工夫して矯正していたものである。 A vinyl chloride pipe is generally widely used as a sewer pipe from the drainage source to the sewer main, but the vinyl chloride pipe is usually 4 m long, and the length of 4 m is curved to some extent. However, if a curved PVC pipe is buried as it is, an accurate flow gradient cannot be obtained, and sludge accumulates in the hanging part, which impedes the flow of sewage. Therefore, it is necessary to correct the bend before burying it, and in the past, it was corrected by various means such as sandwiching an object with the trench wall excavated by the builder for the burying in the present case. Is.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

こうした従来の曲がりの矯正方法では、多大の時間と労力が必要であって、工 期の長期化と工事費の増大を招くといった問題があるとともに、こうした現場合 わせ的な方法では完全な曲がりの矯正は困難であり、多少の曲がりは止むを得な いものとして黙認せざるをえなかったものである。 Such a conventional method for correcting a bend requires a great deal of time and labor, which causes a problem of prolonging the work period and increasing the construction cost. It was difficult to correct, and some bends had to be tolerated as an inevitable stop.

【0004】 本考案は、前記した従来の問題点を解消して、簡単に塩化ビニール管の曲がり を矯正して強固に埋め固めをした後に除去できる、埋設する塩化ビニール管の曲 がり矯正装置を提供することを目的とするものである。The present invention solves the above-mentioned problems of the prior art, and provides an apparatus for correcting the bending of a vinyl chloride pipe to be buried, which can be easily corrected after the bending of the vinyl chloride pipe is firmly fixed and removed. It is intended to be provided.

【0005】[0005]

【課題を解決するための手段】[Means for Solving the Problems]

上記の目的を達するためのこの考案は、湾曲している塩化ビニール管に挿入し て、該塩化ビニール管の曲がりを矯正するためのものであって、所定長さの円形 または正六角形または正方形等の金属管の全長にわたる外周面の複数箇所に点在 して、前記塩化ビニール管の内周に接して前記金属管の軸心方向に回転可能な転 動部材を取り付けるとともに、前記金属管の一端または両端に、塩化ビニール管 内に挿入および該塩化ビニール管から引き抜くためのワイヤーを連結するワイヤ ー連結手段を設け、さらに前記金属管の一端に、中心にレーザー光線によって埋 設勾配を設定するための、中心にターゲット孔を有するターゲット板を着脱自在 に取り付けた、埋設する塩化ビニール管の曲がり矯正装置である。 This invention for achieving the above-mentioned object is to insert a curved vinyl chloride pipe to correct the bend of the vinyl chloride pipe, and has a predetermined length such as a circle, a regular hexagon or a square. Of the metal pipe is scattered at a plurality of locations on the outer peripheral surface thereof, is in contact with the inner periphery of the vinyl chloride pipe, and is provided with a rolling member rotatable in the axial direction of the metal pipe. Or, at both ends, wire connecting means for connecting a wire for inserting into and pulling out from the vinyl chloride pipe is provided, and further, at one end of the metal pipe, for setting a buried gradient by a laser beam at the center. This is a bending straightening device for an embedded PVC pipe, which has a target plate with a target hole in the center attached detachably.

【0006】[0006]

【作用】[Action]

本考案の曲がり矯正装置を、湾曲した塩化ビニール管内に挿入すると、曲がり 矯正装置の剛性が塩化ビニール管の剛性よりも遙かに大きいため、塩化ビニール 管が曲がり矯正装置に沿うこととなって曲がりが矯正されるから、このままの状 態で塩化ビニール管路の勾配を従来から知られているレーザー光線を利用する勾 配設定具を用いて設定した後埋め戻して、強固に周囲を埋め固めた上で曲がり矯 正装置を塩化ビニール管から引き抜けば、塩化ビニール管は周囲が強固に埋め固 められているから曲がりが復元することなく、正確な勾配を持つ真っ直ぐな下水 管路が得られる。 When the bending straightening device of the present invention is inserted into a curved vinyl chloride pipe, the bending straightening device has a rigidity much higher than that of the vinyl chloride pipe, and thus the vinyl chloride pipe follows the bending straightening device. In this state, the gradient of the vinyl chloride conduit is set using a conventional setting tool that uses a laser beam, and then backfilled to firmly solidify the surrounding area. When the bend correction device is pulled out from the PVC pipe, the PVC pipe is solidly packed in the surrounding area, so that the bend does not restore and a straight sewer line with an accurate slope can be obtained.

【0007】[0007]

【実施例】【Example】

以下この考案を例示図を参照して詳細説明すると、図1は本考案塩化ビニール 管の曲がり矯正装置を挿入した塩化ビニール管を埋設して周囲を固めた状態を示 す縦断面図であり、図2、図3、図4は本考案曲がり矯正装置を挿入した塩化ビ ニール管を横断した3つの例をそれぞれ拡大して示した図である。 The present invention will be described in detail below with reference to an exemplary view. FIG. 1 is a vertical cross-sectional view showing a state in which a vinyl chloride pipe into which a straightening device for a vinyl chloride pipe of the present invention is inserted is embedded and the periphery is solidified. 2, 3 and 4 are enlarged views showing three examples of crossing a vinyl chloride tube into which the straightening device of the present invention is inserted.

【0008】 図において、(VP)は下水用の塩化ビニール管を示し、(1)は金属管で、 図2には円形管、図3には正六角形管、図4には正方形管を使用した例を示して おり、その直径または対辺距離を塩化ビニール管(VP)の内径の1/2〜2/ 3の範囲程度のものが使用される。In the figure, (VP) indicates a vinyl chloride pipe for sewage, (1) a metal pipe, a circular pipe in FIG. 2, a regular hexagonal pipe in FIG. 3, and a square pipe in FIG. An example is shown in which the diameter or the distance between opposite sides is about 1/2 to 2/3 of the inner diameter of the vinyl chloride pipe (VP).

【0009】 この金属管(1)の長さ方向を適宜間隔に分割した複数箇所(図1では5箇所 )の外周の等分割位置(図2・図3では3等分箇所、図4では4等分箇所)に転 動部材取付座(2)をそれぞれ溶接して固定し、この転動部材取付座(2)に転 動部材(3)がそれぞれ小ねじ(3a)により取付けてある。This metal pipe (1) is divided into a plurality of portions (5 in FIG. 1) at equal intervals in the longitudinal direction, and equally divided positions (three equally divided portions in FIGS. 2 and 3; four in FIG. 4). The rolling member mounting seats (2) are welded and fixed to the respective equal parts, and the rolling members (3) are mounted to the rolling member mounting seats (2) by machine screws (3a).

【0010】 この転動部材(3)として図2・図3に使用されているものは、球が自在に転 動可能な市販品のボールベアー(例えば井口機工カタログ製品番号IS−13) であり、図4に使用されているものは軸に支持されて金属管(1)の軸心方向に 回転する小型の車輪である。The rolling member (3) used in FIGS. 2 and 3 is a commercially available ball bear (for example, Iguchi Kiko catalog product number IS-13) in which a ball can freely roll. The one used in FIG. 4 is a small wheel supported by a shaft and rotating in the axial direction of the metal tube (1).

【0011】 この同一円周上に配置される3〜4個の転動部材(3)の頂点を結ぶ円は、塩 化ビニール管(VP)の内周と一致させてあり、これを塩化ビニール管(VP) に挿入すると転動部材(3)の頂点が塩化ビニール管(VP)の内周に接するこ ととなって、塩化ビニール管(VP)は剛性の大きい金属管(1)に沿って曲が りが矯正される。The circle connecting the vertices of the three to four rolling members (3) arranged on the same circumference is aligned with the inner circumference of the vinyl chloride pipe (VP), which is vinyl chloride. When inserted into the pipe (VP), the top of the rolling member (3) comes into contact with the inner circumference of the vinyl chloride pipe (VP), and the vinyl chloride pipe (VP) follows the metal pipe (1) with high rigidity. The bend is corrected.

【0012】 図5は図1をZ矢印の方向に見た本考案の塩化ビニール管の曲がり矯正装置の 端面を拡大して示し、図6は図5の縦断面図であって、金属管(1)の一端の相 対応する外周面に、線材をU字形に折り曲げたワイヤー連結環(4)が一対に溶 接してあって、図1に示す如くこのワイヤー連結環(4)にワイヤーロープ(5 )を連結して、このワイヤーロープ(5)を矢印(T)の方向に引っ張ることに よって、本考案曲がり矯正装置を塩化ビニール艦(VP)内に挿入したり塩化ビ ニール艦(VP)内から引き抜くものてである。FIG. 5 is an enlarged end view of the bend correcting device for a vinyl chloride pipe according to the present invention as viewed in the direction of the arrow Z in FIG. 1, and FIG. 6 is a vertical cross-sectional view of FIG. 1) A pair of wire connecting rings (4) formed by bending a wire into a U-shape are welded to corresponding outer peripheral surfaces at one end of the wire, and wire ropes (4) are attached to the wire connecting rings (4) as shown in FIG. 5) by connecting and pulling this wire rope (5) in the direction of the arrow (T), the bend straightening device of the present invention can be inserted into a vinyl chloride ship (VP) or a vinyl chloride ship (VP). It is something that can be pulled out from within.

【0013】 なお、このワイヤー連結環(4)に代えて、ワイヤーロープ(5)を引っ掛け るフックにする、あるいは、単に金属管(1)の端近くにワイヤーロープ(5) を通す孔を設ける等の他の手段としてもよい。In place of the wire connecting ring (4), a hook for hooking the wire rope (5) is provided, or a hole for passing the wire rope (5) is simply provided near the end of the metal pipe (1). Other means such as

【0014】 (6)はターゲット板で、中心にターゲット孔(7)を設けてあり、金属管( 1)の一端に溶接されているターゲット板取付座(8)に小ねじ(6a)により 取り付けてある。(6) is a target plate, which is provided with a target hole (7) at the center, and is attached to a target plate attachment seat (8) welded to one end of the metal tube (1) with machine screws (6a). There is.

【0015】 このように構成された本考案の塩化ビニール管の曲がり矯正装置を、図1に示 す如く塩化ビニール管(VP)の内部に挿入する際に、転動部材(3)が塩化ビ ニール管(VP)の内周に接触して回転するため、抵抗少なく挿入することがで きて、塩化ビニール管(VP)が本考案曲がり矯正装置に沿って曲がりが矯正さ れて直線状となるから、この状態で所定の埋め込み位置に置く。When the bending correction device for a vinyl chloride pipe of the present invention thus constructed is inserted into a vinyl chloride pipe (VP) as shown in FIG. 1, the rolling member (3) is made of vinyl chloride. Since it contacts the inner circumference of the Neil tube (VP) and rotates, it can be inserted with less resistance, and the vinyl chloride tube (VP) is straightened by straightening the bend along the bend straightening device of the present invention. Therefore, it is placed in a predetermined embedding position in this state.

【0016】 続いて、従来から知られている勾配設定具(例えば旭精密株式会社製の下水道 工事用パイプ埋設レーザー)(図示省略)を使用してターゲット孔(7)にレー ザー光線が命中するように塩化ビニール管の傾斜を調整することにより所定の勾 配を設定した後、図1に示す如く周囲を強固に埋め固め(SO)した後、ワイヤ ーロープ(5)を矢印(T)の方向に引っ張って本考案曲がり矯正装置を塩化ビ ニール管内から引き抜けば、塩化ビニール管(VP)は曲がりが矯正されて正確 な勾配を持った埋設ができるものである。Next, a laser beam hits the target hole (7) using a conventionally known gradient setting tool (for example, a laser for burying sewer pipes manufactured by Asahi Precision Co., Ltd.) (not shown). After setting the predetermined gradient by adjusting the inclination of the vinyl chloride pipe as shown in Fig. 1, the surrounding area is firmly solidified (SO) and then the wire rope (5) is moved in the direction of arrow (T). When the bend straightening device of the present invention is pulled out from the inside of the vinyl chloride pipe by pulling it on, the vinyl chloride pipe (VP) can be buried with an accurate slope by correcting the bend.

【0017】[0017]

【考案の効果】[Effect of device]

以上説明したこの考案に係わる埋設する塩化ビニール管の曲がり矯正装置によ れば、本考案装置を塩化ビニール管に挿入するのみで簡単に塩化ビニール管の曲 がりが矯正できて、そのままの状態で勾配を設定して埋め固めた後に、曲がり矯 正装置を引き抜いて除去することが可能であるため、曲がりが復元することなく 正確な勾配を持つ真っ直ぐな下水管路を容易に埋設することができるとともに、 本考案装置には転動部材を使用しているため、塩化ビニール管への挿入及び引き 抜きの際の抵抗が少なく容易であり、最小限の労力により短時間で埋設工事を完 了させることができるため、工期の短縮と経費の節約が図れることから工事費を 大幅に低減することができるものである。 According to the bending correction apparatus for buried PVC pipe according to the present invention described above, the bending of the PVC pipe can be straightened simply by inserting the device of the present invention into the PVC pipe, and in the state as it is. It is possible to remove the bend corrector by pulling it out after setting the slope and filling it, so it is possible to easily bury a straight sewer pipe with an accurate slope without restoring the bend. In addition, since the device of the present invention uses a rolling member, there is little resistance when inserting into and extracting from the vinyl chloride pipe, and it is easy, and the burying work is completed in a short time with a minimum of labor. Therefore, the construction period can be shortened and the cost can be saved, so that the construction cost can be significantly reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案に係わる埋設する塩化ビニール管の曲が
り矯正装置を使用状態で示した平面図である。
FIG. 1 is a plan view of a buried vinyl chloride pipe bending correction apparatus according to the present invention in use.

【図2】図1のA−A線における拡大断面図である。FIG. 2 is an enlarged cross-sectional view taken along line AA of FIG.

【図3】別の実施例を示す図2と同様の拡大断面図であ
る。
FIG. 3 is an enlarged sectional view similar to FIG. 2, showing another embodiment.

【図4】さらに別の実施例を示す図2と同様の拡大断面
図である。
FIG. 4 is an enlarged sectional view similar to FIG. 2 showing still another embodiment.

【図5】図1の矢印(Z)の方向に見た金属管端部の拡
大端面図である。
5 is an enlarged end view of the end portion of the metal pipe as viewed in the direction of arrow (Z) in FIG.

【図6】図5のB−B線断面図である。6 is a sectional view taken along line BB of FIG.

【符号の説明】[Explanation of symbols]

1 金属管 2 転動部材取付け座 3 転動部材 4 ワイヤー連結環 5 ワイヤーロープ 6 ターゲット板 7 ターゲット孔 8 ターゲット板取付座 VP 塩化ビニール管 SO 埋め固め 1 Metal Pipe 2 Rolling Member Mounting Seat 3 Rolling Member 4 Wire Connection Ring 5 Wire Rope 6 Target Plate 7 Target Hole 8 Target Plate Mounting Seat VP Vinyl Chloride Pipe SO Filling

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 湾曲している塩化ビニール管に挿入し
て、該塩化ビニール管の曲がりを矯正するためのもので
あって、所定長さの金属管の全長にわたる外周面の複数
箇所に点在して、前記塩化ビニール管の内周に接して前
記金属管の軸心方向に回転可能な転動部材を取り付ける
とともに、前記金属管の一端または両端に、塩化ビニー
ル管内に挿入および該塩化ビニール管から引き抜くため
のワイヤーを連結するワイヤー連結手段を設け、さらに
前記金属管の一端に、レーザー光線によって埋設勾配を
設定するための、中心にターゲット孔を有するターゲッ
ト板を着脱自在に取り付けたことを特徴とする、埋設す
る塩化ビニール管の曲がり矯正装置。
1. A device for inserting into a curved vinyl chloride pipe to correct the bending of the vinyl chloride pipe, which is scattered at a plurality of positions on the outer circumferential surface of a metal pipe of a predetermined length. Then, a rolling member which is in contact with the inner periphery of the vinyl chloride pipe and is rotatable in the axial direction of the metal pipe is attached, and one end or both ends of the metal pipe is inserted into the vinyl chloride pipe and the vinyl chloride pipe is attached. A wire connecting means for connecting a wire for pulling out from the metal tube is provided, and a target plate having a target hole at the center is detachably attached to one end of the metal tube for setting a buried gradient by a laser beam. Bending correction device for buried PVC pipes.
JP1995010828U 1995-09-18 1995-09-18 Bending correction device for buried PVC pipes Expired - Lifetime JP3023283U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1995010828U JP3023283U (en) 1995-09-18 1995-09-18 Bending correction device for buried PVC pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1995010828U JP3023283U (en) 1995-09-18 1995-09-18 Bending correction device for buried PVC pipes

Publications (1)

Publication Number Publication Date
JP3023283U true JP3023283U (en) 1996-04-16

Family

ID=43158558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1995010828U Expired - Lifetime JP3023283U (en) 1995-09-18 1995-09-18 Bending correction device for buried PVC pipes

Country Status (1)

Country Link
JP (1) JP3023283U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3377701B2 (en) 1996-10-23 2003-02-17 足立建設工業株式会社 Shoring equipment for circular lining pipes
JP3377702B2 (en) 1996-10-23 2003-02-17 足立建設工業株式会社 Rectangular lining pipe support device
JP2014125781A (en) * 2012-12-26 2014-07-07 Ohbayashi Corp Method for burying outer pipe for chemical injection, and chemical injection method using buried outer pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3377701B2 (en) 1996-10-23 2003-02-17 足立建設工業株式会社 Shoring equipment for circular lining pipes
JP3377702B2 (en) 1996-10-23 2003-02-17 足立建設工業株式会社 Rectangular lining pipe support device
JP2014125781A (en) * 2012-12-26 2014-07-07 Ohbayashi Corp Method for burying outer pipe for chemical injection, and chemical injection method using buried outer pipe

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