JPH0280792A - Propulsive support structure of flexible joint for segment ring - Google Patents
Propulsive support structure of flexible joint for segment ringInfo
- Publication number
- JPH0280792A JPH0280792A JP63228320A JP22832088A JPH0280792A JP H0280792 A JPH0280792 A JP H0280792A JP 63228320 A JP63228320 A JP 63228320A JP 22832088 A JP22832088 A JP 22832088A JP H0280792 A JPH0280792 A JP H0280792A
- Authority
- JP
- Japan
- Prior art keywords
- propulsive
- thrust support
- segment ring
- support structure
- connecting frame
- 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.)
- Pending
Links
- 230000001141 propulsive effect Effects 0.000 title abstract 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、上、下水道、共同溝、地下道又はトンネル
等を構成するセグメントリングを接続するのに供せられ
る可撓継手の推力支持構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) This invention relates to a thrust support structure for a flexible joint used to connect segment rings constituting a water supply system, a sewer system, a public ditch, an underground passage, a tunnel, etc. It is something.
（従来の技術）
互いに対向するセグメントリングの相対変位を許容し、
出水、土砂等のリング内への侵入を阻止すべく、それら
セグメントリング間に補強層が埋設されたゴム又はゴム
状弾性体よりなる可撓性部材を設けることが知られてい
る。(Prior art) Allowing relative displacement of segment rings facing each other,
In order to prevent water, dirt, etc. from entering the ring, it is known to provide a flexible member made of rubber or a rubber-like elastic material with a reinforcing layer embedded between the segment rings.
この可撓継手は、第２図に示す様に、通常対向するセグ
メントリング１０の各端面に取付金具１２を設け、これ
ら取付金具１２間に亘って、可撓性部材１４をセグメン
トリング間に延在させて設けた構造をしている。As shown in FIG. 2, in this flexible joint, mounting fittings 12 are usually provided on each end face of opposing segment rings 10, and a flexible member 14 is extended between the segment rings between these fittings 12. It has a structure in which it is located
この様な可撓性継手にあっては、例えば、トンネル掘削
時にセグメントリング１０に作用する軸線方向の力、即
ち推力に継手が耐え得るよう、セグメントリングの対向
する端面に金属製の連結枠１６を互いに離間させて固着
し、それら連結枠１６間に楔１８を挿入すると共に、連
結枠１６及び楔１８を相互にボルト連結することにより
、その推力に耐える構造としていた。In such a flexible joint, for example, a metal connecting frame 16 is attached to the opposing end surfaces of the segment ring so that the joint can withstand the axial force, that is, the thrust force that acts on the segment ring 10 during tunnel excavation. A wedge 18 is inserted between the connecting frames 16, and the connecting frames 16 and wedges 18 are connected to each other with bolts, thereby creating a structure that can withstand the thrust force.
（発明が解決しようとする課題）
しかしながら、この様な推力支持構造にあっては、楔１
８及び楔の傾斜面に対応した端面形状を有する連結枠１
６を形成する必要があり、また、喫の挿入深さに対応で
きるよう当該楔にその挿入方向に延在させて長孔を設け
る必要があり、加工コストが上昇すると言う問題があっ
た。加えて、当該推力支持構造を二次覆工に際して取付
金具１２から取外す場合に、連結枠１６とそこに挟持さ
れた楔１８との間には極めて大きな摩擦力が作用するこ
とになるので、楔１８を除去し推力支持構造を分解する
ことが極めて困難な作業となっていた。(Problem to be solved by the invention) However, in such a thrust support structure, the wedge 1
8 and a connecting frame 1 having an end face shape corresponding to the inclined surface of the wedge.
6, and it is also necessary to provide an elongated hole in the wedge extending in the insertion direction to accommodate the insertion depth of the wedge, resulting in an increase in processing cost. In addition, when the thrust support structure is removed from the mounting bracket 12 during secondary lining, an extremely large frictional force will act between the connecting frame 16 and the wedge 18 held there. 18 and disassembling the thrust support structure was an extremely difficult task.
本発明はこのような問題に鑑みてなされたものであり、
加工性に優れ、容易に分解して取り外すことのできる新
規な推力支持構造を提供することをその目的とする。The present invention was made in view of such problems,
The object is to provide a novel thrust support structure that has excellent workability and can be easily disassembled and removed.
（課題を達成するための手段）
この目的を達成するため、本発明推力支持構造にあって
は、特に、互いに対向する連結枠の一方に離間させて推
力支持部材を、他方の連結枠に着脱自在に設け、離間す
る推力支持部材の自由端に係合可能な調整ねじを一方の
連結枠に設けてなる。(Means for Achieving the Object) In order to achieve this object, in the thrust support structure of the present invention, in particular, the thrust support member is attached to and detached from the other connecting frame by being spaced apart from one of the connecting frames facing each other. One of the connecting frames is provided with an adjustment screw that can be freely provided and engaged with the free ends of the thrust support members that are spaced apart.
（作 用）
セグメントリングに推力が作用する場合には、一方の連
結枠に支持された調整ねじを他方の連結枠に向かって接
近するよう当該他方の連結枠に固定された推力支持部材
の自由端に係合させ、それら連結枠を一体とすることに
より、セグメントリングに作用する推力を支持する構造
とすることができる。(Function) When a thrust force acts on the segment ring, the adjustment screw supported by one of the connecting frames is moved toward the other connecting frame by moving the thrust support member fixed to the other connecting frame. By engaging the ends and integrating the connecting frames, it is possible to create a structure that supports the thrust force acting on the segment ring.
他方、調整ねじを当該他方の連結枠から離間するよう回
転させると、関連する連結枠及び推力支持部材が離間し
それらの間には摩擦力が作用しなくなるので、推力支持
部材と連結枠とを容易に分離させることができる。On the other hand, when the adjustment screw is rotated away from the other connection frame, the related connection frame and thrust support member are separated and no frictional force acts between them. Can be easily separated.
（実施例）
以下図面を参照して、本発明推力支持構造の実施例につ
いて詳述する。(Example) Examples of the thrust support structure of the present invention will be described in detail below with reference to the drawings.
第１図は、本発明セグメントリング用可撓継手の推力支
持構造を断面にして示す図であり、符号１０はセグメン
トリングを、１６は連結枠をそれぞれ示している。なお
、簡略のため第２図に示したものと同等の作用をなすも
のには同一符号を付して示す。FIG. 1 is a cross-sectional view of the thrust support structure of the flexible joint for segment rings of the present invention, and numeral 10 indicates a segment ring, and 16 indicates a connecting frame. Incidentally, for the sake of brevity, the same reference numerals are given to the parts having the same functions as those shown in FIG. 2.
互いに離間して対向するセグメントリングの各端面にそ
の周方向に沿って設けられたそれぞれの連結枠１６は、
セグメントリング１０の軸線方向に沿う断面が略コ字状
をしている。それら連結枠１６は、リング１０に対向し
てその半径方向に延在する壁部材１６ａに設けた貫通孔
およびこれら貫通孔に対応させてリング１０に形成した
貫通孔に挿通させた固定ボルト及びナツト２０により、
セグメントリング１０に固定される。Each connecting frame 16 is provided along the circumferential direction on each end face of the segment rings facing each other at a distance from each other.
The segment ring 10 has a substantially U-shaped cross section along the axial direction. These connecting frames 16 include through holes provided in a wall member 16a facing the ring 10 and extending in the radial direction thereof, and fixing bolts and nuts inserted into through holes formed in the ring 10 corresponding to these through holes. By 20,
It is fixed to the segment ring 10.
一方、これも互いに離間して対向する連結枠の他の壁部
材１６ｂ間に、推力支持部材２２を配置する。On the other hand, the thrust support member 22 is arranged between the other wall members 16b of the connection frame which are also spaced apart from each other and face each other.
この推力支持部材２２は、本実施例にあっては、セグメ
ントリング１０の横断面方向における断面が略Ｉ型形状
をしており、■型のフランジ部間に補強リブを備えるも
のとした。しかしながら、セグメントリングの軸線方向
における荷重、つまりセグメントリングに作用する推力
に耐え得る構造のものであればこれに限定されるもので
はない。In this embodiment, the thrust support member 22 has a substantially I-shaped cross section in the cross-sectional direction of the segment ring 10, and is provided with reinforcing ribs between the ■-shaped flange portions. However, the structure is not limited to this as long as it can withstand the load in the axial direction of the segment ring, that is, the thrust force acting on the segment ring.
そして推力部材２２は、一方のフランジ部を利用して一
方の連結枠１６の壁部材１６ｂに、既知の締結手段、例
えば固定ポルト２４を用いて固着される。The thrust member 22 is fixed to the wall member 16b of one of the connecting frames 16 using known fastening means, such as the fixing port 24, using one flange portion.
ここで注意することは、一方の連結枠１６に一端が固着
された推力支持部材２２と、他方の連結枠１６の壁部材
１６ｂとの間には、空隙２６が調整代として存在するこ
とである。It should be noted here that a gap 26 exists as an adjustment allowance between the thrust support member 22 whose one end is fixed to one connecting frame 16 and the wall member 16b of the other connecting frame 16. .
これに対し、空隙２６を介して推力支持部材２２に対向
する他方の連結枠１６の壁部材１６ｂには、調整ねじ２
８が取り付けられ、その軸線回りに回動させることによ
り、対向する推力支持部材２２のフランジ部に係合させ
、又そこから離間させることができる。本実施例にあっ
ては、調整ねじを３本としたが、これに限定されるもの
でなく、仕様に合わせて変更することができることは勿
論である。On the other hand, an adjustment screw 2
8 is attached, and by rotating it around its axis, it can be engaged with and separated from the flange portion of the opposing thrust support member 22. In this embodiment, the number of adjustment screws is three, but the number is not limited to this, and it goes without saying that the adjustment screws can be changed according to the specifications.
そして可撓性部材１４は、それら連結枠１６の対向する
壁部材１６ｂの端面から突出させた取付金具１２を用い
てその一端縁を挟持することにより、互いに離間する連
結枠１６間に延在させることは従来のものと同様である
。また、符号３０は保護板を示し、セグメントリング前
進時に土砂及び出水等が可撓性部材１４に直接作用して
、可撓性部材が損傷するのを防止する為のものである。The flexible member 14 is extended between the connecting frames 16 that are spaced apart from each other by holding one end of the flexible member 14 using the mounting brackets 12 that protrude from the end faces of the opposing wall members 16b of the connecting frames 16. This is the same as the conventional one. Further, the reference numeral 30 indicates a protection plate, which is used to prevent dirt, water, etc. from directly acting on the flexible member 14 and damaging the flexible member when the segment ring moves forward.
次に、本発明支持構造の作動について説明する。Next, the operation of the support structure of the present invention will be explained.
セグメントリング１０の各セグメントが組み立てられた
ならば、本発明推力支持構造をそれらセグメントリング
１０の端面に固定用ボルト・ナツト２０を用いて固着す
る。次いで調整ねじ２８を回転することにてその軸線方
向に移動させて推力支持部材２２の端面に係合させる。Once each segment of the segment ring 10 is assembled, the thrust support structure of the present invention is fixed to the end face of the segment ring 10 using fixing bolts and nuts 20. Next, by rotating the adjustment screw 28, it is moved in the axial direction and engaged with the end surface of the thrust support member 22.
そして、掘削機を前進する場合には、進行方向前方に位
置する連結枠１６の壁部材１６ａの端面に推進用のジヤ
ツキを固定すればよく、セグメントリング１０の軸線方
向に作用する推力を確実に支持することができる。When moving the excavator forward, a propulsion jack can be fixed to the end face of the wall member 16a of the connecting frame 16 located forward in the direction of movement, and the thrust acting in the axial direction of the segment ring 10 can be reliably applied. can be supported.
これに対し、それらセグメントリング１０に推力が作用
しなくなった場合には、調整ねじ２８を単に緩めること
により、それら連結部材１６の直接的な係合が排除され
、推力支持部材２２及び連結部材との間には摩擦力が作
用することがない。それゆえ、推力支持部材に関連する
固定ボルト２４を緩めれば、当該支持部材を直ちに取り
除くことができる。その結果、隣合うセグメントリング
１０が、実質的に可撓性部材１４だけで連結されること
となるので、それらの間の相対変位を許容する可撓継手
を得ることができる。On the other hand, when the thrust force no longer acts on the segment rings 10, simply loosening the adjustment screw 28 eliminates the direct engagement of the connecting members 16, and the thrust supporting member 22 and the connecting member No frictional force acts between them. Therefore, by loosening the fixing bolt 24 associated with the thrust support member, the support member can be immediately removed. As a result, adjacent segment rings 10 are connected substantially only by the flexible member 14, so that a flexible joint that allows relative displacement between them can be obtained.
（発明の効果）
以上詳述したように、本発明推力支持構造によれば、調
整ねじを単に締め込み、また緩めることにより、推力支
持部材と関連する連結部材との係合を解放する構造とし
たので、それらの間の摩擦力に影響されることのない分
解の容易な推力支持構造を得る。(Effects of the Invention) As detailed above, the thrust support structure of the present invention has a structure in which the engagement between the thrust support member and the related connecting member is released by simply tightening and loosening the adjustment screw. Therefore, a thrust support structure that is easily disassembled and is not affected by the frictional force between them is obtained.
また、それらの構成部品の一部を楔形状に形成する必要
がなく、また、楔の挿入方向に延在させた長孔を当該模
に設ける必要がないので、その製造を容易なものとする
ことができる。In addition, there is no need to form some of these components into a wedge shape, and there is no need to provide the model with a long hole extending in the wedge insertion direction, making manufacturing easier. be able to.
本発明推力支持構造を断面にして示 第１図は、 す図、 第２図は、 ある。 １０・・・セグメントリング １４・・・可撓性部材 １６ａ、 １６ｂ・・・壁部材 ２０・・・固定ボルト・ナツト ２４・・・固定ボルト ２８・・・調整ねし 従来の推力支持構造を示す説明図で １２・・・取付金具 １６・・・連結枠 １８・・・模 ２２・・・推力支持部材 ２６・・・空隙 ３０・・・保護板 The thrust support structure of the present invention is shown in cross section. Figure 1 shows Figure, Figure 2 shows be. 10...Segment ring 14...Flexible member 16a, 16b...Wall members 20...Fixing bolt/nut 24...Fixing bolt 28...adjustment An explanatory diagram showing a conventional thrust support structure. 12...Mounting bracket 16...Connection frame 18...model 22... Thrust support member 26...Void 30...Protection plate
Claims (1)
された連結枠と、対向する連結枠間に亘って設けられセ
グメントリングの周方向に延在する可撓性部材とを備え
るセグメントリング用可撓継手において、 互いに対向する連結枠の一方に離間させて推力支持部材
を、他方の連結枠に着脱自在に設け、離間する推力支持
部材の自由端に係合可能な調整ねじを一方の連結枠に設
けてなることを特徴とするセグメントリング用可撓継手
の推力支持構造。[Claims] 1. A connecting frame arranged to face each end face of opposing segment rings, and a flexible member provided between the opposing connecting frames and extending in the circumferential direction of the segment ring. A flexible joint for a segment ring, comprising: a thrust support member spaced apart from one of the mutually opposing connection frames; and a thrust support member removably provided on the other connection frame, the thrust support member being engageable with the free end of the spaced apart thrust support member. A thrust support structure for a flexible joint for a segment ring, characterized in that an adjustment screw is provided on one connection frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63228320A JPH0280792A (en) | 1988-09-14 | 1988-09-14 | Propulsive support structure of flexible joint for segment ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63228320A JPH0280792A (en) | 1988-09-14 | 1988-09-14 | Propulsive support structure of flexible joint for segment ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280792A true JPH0280792A (en) | 1990-03-20 |
Family
ID=16874601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63228320A Pending JPH0280792A (en) | 1988-09-14 | 1988-09-14 | Propulsive support structure of flexible joint for segment ring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280792A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0595664A1 (en) * | 1992-10-30 | 1994-05-04 | The Victaulic Company Of Japan Limited | Flexible tunnel lining segments and method for lining tunnels using these segments |
| EP0717151A1 (en) * | 1994-12-12 | 1996-06-19 | Seibu Polymer Kasei Kabushiki Kaisha | A flexible joint for culvert |
-
1988
- 1988-09-14 JP JP63228320A patent/JPH0280792A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0595664A1 (en) * | 1992-10-30 | 1994-05-04 | The Victaulic Company Of Japan Limited | Flexible tunnel lining segments and method for lining tunnels using these segments |
| EP0717151A1 (en) * | 1994-12-12 | 1996-06-19 | Seibu Polymer Kasei Kabushiki Kaisha | A flexible joint for culvert |
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