JP2005282099A - Leg stand in concrete placing form support device in tunnel - Google Patents

Leg stand in concrete placing form support device in tunnel Download PDF

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JP2005282099A
JP2005282099A JP2004096669A JP2004096669A JP2005282099A JP 2005282099 A JP2005282099 A JP 2005282099A JP 2004096669 A JP2004096669 A JP 2004096669A JP 2004096669 A JP2004096669 A JP 2004096669A JP 2005282099 A JP2005282099 A JP 2005282099A
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tunnel
leg
carriage
support
grounding
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JP4290053B2 (en
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Minoru Tsuchida
実 土田
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SHIMA KOGYO KK
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SHIMA KOGYO KK
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Abstract

<P>PROBLEM TO BE SOLVED: To enhance stability after installation by easily changing the height H of a carriage 10 in a grounding leg 12 for stabilizing the carriage 10 on a bottom part 6 in a tunnel. <P>SOLUTION: This leg stand 7 is placed on the bottom part 6 in the tunnel by a form support device for supporting a concrete placing form arranged along an inner peripheral surface of the tunnel in the tunnel; and has the carriage 10 provided with traveling wheels 11 grounding on the bottom part 6 in the tunnel. In the grounding leg 12 for supporting its carriage 10 on the bottom part 6 in the tunnel, the extension length H of a support leg part 14a with a grounding wheel 15 extending upward to the bottom part 6 in the tunnel from the carriage 10, is adjustably arranged by a lifting screw mechanism 16. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、トンネルの内周面に沿って配設されるコンクリート打設用型枠をトンネル内で支持する型枠支持装置でトンネル内の底部上に載置される脚台に関するものである。   The present invention relates to a pedestal that is placed on the bottom of a tunnel by a mold support device that supports a concrete casting form disposed along the inner peripheral surface of the tunnel in the tunnel.

トンネル内のコンクリート打設用型枠支持装置を組立てたり解体したりする際、その型枠支持装置はトンネル内で移送されるため、図３（ａ）（ｂ）で一部を示す脚台７においては、トンネル内の底部６上に敷設されたレール９上に接地し得る走行車輪１１を設けた台車１０を備えている。この脚台７の安定性を良くする必要があるため、この台車１０においては接地脚として枕木２０やキャンバー２１などが利用されている。   When assembling or dismantling the concrete placement form support device in the tunnel, the form support device is transported in the tunnel, so that the footrest 7 shown in part in FIGS. 3 (a) and 3 (b). Is provided with a carriage 10 provided with traveling wheels 11 which can be grounded on a rail 9 laid on the bottom 6 in the tunnel. Since it is necessary to improve the stability of the pedestal 7, a sleeper 20 and a camber 21 are used as the grounding legs in the trolley 10.

しかし、枕木２０やキャンバー２１では、その設置作業が大変面倒であるばかりではなく、トンネル内の底部６上からの台車１０の高さＨが一定になりにくいために設置後の安定性に欠ける問題もあった。また、設置後にその高さＨを再調節する場合、枕木２０やキャンバー２１を交換しなければならないため、その交換も大変面倒であった。   However, in the sleepers 20 and the camber 21, not only the installation work is very troublesome, but also the problem that the height H of the carriage 10 from above the bottom portion 6 in the tunnel is difficult to be constant and lacks stability after installation. There was also. In addition, when the height H is readjusted after installation, the sleepers 20 and the camber 21 must be replaced, which is very troublesome.

この発明は、トンネル内の底部上で台車を安定させるための接地脚において台車の高さの変更を容易にして設置後の安定性を高めることを目的としている。   An object of the present invention is to make it easy to change the height of a bogie in a grounding leg for stabilizing the bogie on the bottom in a tunnel and to improve stability after installation.

後記実施形態の図面（図１〜２）の符号を援用して本発明を説明する。
請求項１の発明にかかるトンネル（１）内のコンクリート打設用型枠支持装置（２）における脚台（７）は、下記のように構成されている。 The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 and 2) of the embodiments described later.
The footrest (7) in the concrete placing form support device (2) in the tunnel (1) according to the invention of claim 1 is configured as follows.

トンネル（１）の内周面（１ａ）に沿って配設されるコンクリート打設用型枠（３）をトンネル（１）内で支持する型枠支持装置（２）でトンネル（１）内の底部（６）上に載置される脚台（７）において、トンネル（１）内の底部（６）上に接地し得る走行車輪（１１）を設けた台車（１０）を備え、その台車（１０）をトンネル（１）内の底部（６）上で支持する接地脚（１２）について台車（１０）からトンネル（１）内の底部（６）上に向けて延びる支持脚部（１４ａ）の延設長さ（Ｈ）を昇降機構（１６）により調節可能に設けた。ちなみに、この昇降機構（１６）としては、請求項２〜３の発明にかかるねじ機構（１６）以外に、例えば油圧シリンダを利用してもよい。   In the tunnel (1), a mold support device (2) for supporting the concrete casting form (3) disposed along the inner peripheral surface (1a) of the tunnel (1) in the tunnel (1). The pedestal (7) placed on the bottom (6) includes a carriage (10) provided with traveling wheels (11) that can be grounded on the bottom (6) in the tunnel (1). 10) of the support leg (14a) extending from the carriage (10) toward the bottom (6) in the tunnel (1) with respect to the grounding leg (12) supporting the bottom (6) in the tunnel (1). The extended length (H) was provided to be adjustable by the elevating mechanism (16). Incidentally, as this elevating mechanism (16), for example, a hydraulic cylinder may be used in addition to the screw mechanism (16) according to the inventions of claims 2 to 3.

請求項１の発明では、トンネル（１）内の底部（６）上で台車（１０）を安定させるための接地脚（１２）において、昇降機構（１６）により支持脚部（１４ａ）の延設長さ（Ｈ）を調節してトンネル（１）内の底部（６）上からの台車（１０）の高さ（Ｈ）を容易に変更することができるとともに、その高さ（Ｈ）を一定に設定し易いために設置後の安定性が良くなる。また、設置後もその高さＨを容易に再調節することができる。   In the first aspect of the present invention, in the grounding leg (12) for stabilizing the carriage (10) on the bottom (6) in the tunnel (1), the support leg (14a) is extended by the elevating mechanism (16). The height (H) of the carriage (10) from above the bottom (6) in the tunnel (1) can be easily changed by adjusting the length (H), and the height (H) is constant. Therefore, stability after installation is improved. Also, the height H can be easily readjusted after installation.

請求項１の発明を前提とする請求項２の発明にかかる接地脚（１２）において、昇降機構はねじ機構（１６）である。
請求項２の発明を前提とする請求項３の発明において、前記接地脚（１２）のねじ機構（１６）は、台車（１０）に支持した雌ねじ筒（１７）と、この雌ねじ筒（１７）を回動させる操作部（１８）と、この雌ねじ筒（１７）に螺合した雄ねじ部（１９）を有する支持部材（１４）とを備え、この支持部材（１４）は前記支持脚部（１４ａ）を有し、この雌ねじ筒（１７）の回動操作に伴い、この支持部材（１４）が雌ねじ筒（１７）に対し移動してこの支持部材（１４）の支持脚部（１４ａ）の延設長さ（Ｈ）を調節し得る。 In the grounding leg (12) according to the invention of claim 2 based on the invention of claim 1, the elevating mechanism is a screw mechanism (16).
In the invention of claim 3 premised on the invention of claim 2, the screw mechanism (16) of the grounding leg (12) includes a female screw cylinder (17) supported by the carriage (10) and the female screw cylinder (17). And a support member (14) having a male screw part (19) screwed into the female screw cylinder (17). The support member (14) is provided with the support leg (14a). ) And the support member (14) moves relative to the female screw tube (17) in accordance with the turning operation of the female screw tube (17) to extend the support leg (14a) of the support member (14). The installation length (H) can be adjusted.

請求項２〜３の発明では、ねじ機構（１６）を利用した簡単な昇降機構を提供することができる。
請求項１または請求項２または請求項３の発明を前提とする請求項４の発明においては、前記支持脚部（１４ａ）に接地車輪（１５）を設けた。請求項４の発明では、トンネル（１）内の底部（６）上で接地車輪（１５）を支持して台車（１０）を移動させ易くなる。従って、台車（１０）の位置を容易に変更することができる。 According to the second to third aspects of the present invention, a simple lifting mechanism using the screw mechanism (16) can be provided.
In the invention of claim 4 based on the invention of claim 1 or claim 2 or claim 3, a grounding wheel (15) is provided on the support leg (14a). In invention of Claim 4, it becomes easy to move a trolley | bogie (10) by supporting a grounding wheel (15) on the bottom part (6) in a tunnel (1). Accordingly, the position of the carriage (10) can be easily changed.

本発明は、トンネル（１）内の底部（６）上で台車（１０）を安定させるための接地脚（１２）において、台車（１０）の高さ（Ｈ）の変更を容易にして設置後の安定性を高めることができる。   The present invention makes it easy to change the height (H) of the carriage (10) in the grounding leg (12) for stabilizing the carriage (10) on the bottom (6) in the tunnel (1). Can improve the stability.

以下、本発明の一実施形態にかかるトンネル内のコンクリート打設用型枠支持装置における脚台について図１〜２を参照して説明する。
図１（ｅ）に示すように、トンネル１の内周面１ａに沿って配設される天井型枠４と両側面型枠５とを備えたコンクリート打設用型枠３を型枠支持装置２とともに組み立てる際には、まず、図１（ｂ）に示すように、図１（ａ）に示すトンネル１内の底部６上に両脚台７を載置する。次に、図１（ｃ）に示すようにこの両脚台７上に支持台８を載置した後、図１（ｄ）に示すようにその支持台８上に天井型枠４を載置し、図１（ｅ）に示すようにこの天井型枠４の両側とトンネル１内の底部６との間にそれぞれ側面型枠５を嵌め込む。その組立て後、コンクリート打設用型枠３を載設した型枠支持装置２はトンネル１内で移送され、そのコンクリート打設用型枠３を利用してコンクリート打設室（図示せず）が形成される。また、コンクリート打設後、コンクリート打設用型枠３を載設した型枠支持装置２はトンネル１内で移送され、図１（ｅ）に示す組立て状態から、コンクリート打設用型枠３を型枠支持装置２とともに解体する際には、図１（ｄ）に示すように天井型枠４の両側から側面型枠５を取り外し、図１（ｃ）に示すように支持台８上から天井型枠４を取り外し、図１（ｂ）に示すように両脚台７から支持台８を取り外し、図１（ａ）に示すように両脚台７をトンネル１内の底部６上から取り外す。 Hereinafter, a leg stand in a formwork supporting apparatus for placing concrete in a tunnel according to an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1 (e), a concrete placement mold 3 having a ceiling mold 4 and both side molds 5 arranged along the inner peripheral surface 1 a of the tunnel 1 is used as a mold support device. When assembling together with the two, first, as shown in FIG. 1 (b), both leg bases 7 are placed on the bottom 6 in the tunnel 1 shown in FIG. 1 (a). Next, as shown in FIG. 1 (c), the support base 8 is placed on the both leg bases 7, and then the ceiling mold 4 is placed on the support base 8 as shown in FIG. 1 (d). As shown in FIG. 1 (e), the side molds 5 are fitted between both sides of the ceiling mold 4 and the bottom 6 in the tunnel 1. After the assembly, the formwork support device 2 on which the concrete placement form 3 is placed is transferred in the tunnel 1, and a concrete placement room (not shown) is formed using the concrete placement form 3. It is formed. Further, after the concrete is placed, the form support device 2 on which the concrete placement form 3 is placed is transferred in the tunnel 1, and the concrete placement form 3 is removed from the assembled state shown in FIG. When disassembling together with the formwork supporting device 2, the side formwork 5 is removed from both sides of the ceiling formwork 4 as shown in FIG. 1 (d), and the ceiling is placed on the support base 8 as shown in FIG. 1 (c). The mold 4 is removed, the support base 8 is removed from the both leg bases 7 as shown in FIG. 1B, and the both leg bases 7 are removed from the bottom 6 in the tunnel 1 as shown in FIG.

このようにしてトンネル１内のコンクリート打設用型枠支持装置２を組立てたり解体したりする際、その型枠支持装置２はトンネル１内で移送されるため、図２（ａ）（ｂ）で一部を示す前記両脚台７においては、トンネル１内の底部６上に敷設されたレール９上に接地し得る走行車輪１１を設けた台車１０を備えている。   When assembling or dismantling the concrete placement form support device 2 in the tunnel 1 in this way, the form support device 2 is transferred in the tunnel 1, so that FIGS. The two-legged platform 7, which is partially shown in FIG. 1, includes a carriage 10 provided with traveling wheels 11 that can be grounded on a rail 9 laid on the bottom 6 in the tunnel 1.

この両脚台７上に支持台８を載置したりこの両脚台７上から支持台８を取り外したりする際に両脚台７の安定性を良くする必要があるため、この台車１０において四隅部にはそれぞれ下記の接地脚１２が付設されている。   Since it is necessary to improve the stability of the two leg bases 7 when the support base 8 is placed on the two leg bases 7 or when the support base 8 is removed from the two leg bases 7, the four bases of the cart 10 are provided. The following grounding legs 12 are attached respectively.

この各接地脚１２においては、台車１０に支持筒１３が取着され、この支持筒１３に対し支持部材１４が昇降可能に挿嵌されている。この支持部材１４において台車１０からトンネル１内の底部６上に向けて延びる支持脚部１４ａで接地車輪１５が着脱可能に取り付けられている。この各接地脚１２において支持部材１４を昇降させる昇降ねじ機構１６（昇降機構、ねじ機構）においては、雌ねじ筒１７が台車１０に対し操作部１８により回動し得るように支持され、支持部材１４に形成された雄ねじ部１９がこの雌ねじ筒１７に螺合されている。この雌ねじ筒１７を回動操作すると、この支持部材１４が雌ねじ筒１７に対し移動し、この支持部材１４で支持脚部１４ａの延設長さＨ（トンネル１内の底部６からの台車１０の高さ）を調節することができる。トンネル１内の底部６上に敷設されたレール９上で台車１０を安定させるために、前記各接地脚１２で支持脚部１４ａの延設長さＨを調節して支持脚部１４ａの接地車輪１５をトンネル１内の底部６上に支持する。また、その支持脚部１４ａの延設長さＨを調節し直す際も、雌ねじ筒１７を回動操作するだけでよい。なお、接地脚１２が不要な場合には、接地車輪１５を分離した支持部材１４を支持筒１３から抜いて取り外す。   In each grounding leg 12, a support cylinder 13 is attached to the carriage 10, and a support member 14 is inserted into the support cylinder 13 so as to be movable up and down. A grounding wheel 15 is detachably attached to the support member 14 by a support leg portion 14a extending from the carriage 10 toward the bottom portion 6 in the tunnel 1. In the elevating screw mechanism 16 (elevating mechanism, screw mechanism) for elevating and lowering the support member 14 in each grounding leg 12, the female screw cylinder 17 is supported so as to be rotatable by the operation unit 18 with respect to the carriage 10, and the support member 14. The male screw part 19 formed in the above is screwed into the female screw cylinder 17. When the female screw cylinder 17 is turned, the support member 14 moves relative to the female screw cylinder 17, and the support member 14 extends the length H of the support leg 14 a (the carriage 10 from the bottom 6 in the tunnel 1. Height) can be adjusted. In order to stabilize the carriage 10 on the rail 9 laid on the bottom 6 in the tunnel 1, the extended length H of the support leg 14 a is adjusted by each of the ground legs 12, and the ground wheel of the support leg 14 a is adjusted. 15 is supported on the bottom 6 in the tunnel 1. Further, when the extension length H of the support leg 14a is adjusted again, it is only necessary to rotate the female screw cylinder 17. In addition, when the grounding leg 12 is unnecessary, the support member 14 from which the grounding wheel 15 is separated is removed from the support tube 13 and removed.

（ａ）（ｂ）（ｃ）（ｄ）（ｅ）はそれぞれトンネル内を正面側から見て概略的に示す横断面図である。(A) (b) (c) (d) (e) is a cross-sectional view schematically showing the inside of the tunnel as viewed from the front side. （ａ）は本実施形態にかかる脚台を概略的に示す正面図であり、（ｂ）は同じく概略的に示す側面図である。(A) is a front view which shows schematically the footrest concerning this embodiment, (b) is a side view which also shows schematically. （ａ）は従来の脚台を概略的に示す正面図であり、（ｂ）は同じく概略的に示す側面図である。(A) is a front view which shows the conventional leg stand schematically, (b) is a side view which also shows schematically.

符号の説明Explanation of symbols

１…トンネル、１ａ…トンネルの内周面、２…コンクリート打設用型枠支持装置、３…コンクリート打設用型枠、６…トンネルの底部、７…脚台、１０…台車、１２…接地脚、１４…支持部材、１４ａ…支持脚部、１５…接地車輪、１６…昇降ねじ機構、１７…雌ねじ筒、１８…操作部、１９…雄ねじ部、Ｈ…支持脚部の延設長さ。   DESCRIPTION OF SYMBOLS 1 ... Tunnel, 1a ... Tunnel inner peripheral surface, 2 ... Concrete placement form support device, 3 ... Concrete placement form, 6 ... Bottom of tunnel, 7 ... Leg stand, 10 ... Dolly, 12 ... Ground Leg 14, Support member 14 a, Support leg 15, Grounding wheel 16, Elevating screw mechanism 17, female screw cylinder 18, operation unit 19, male screw H, extension length of support leg

Claims (4)

トンネルの内周面に沿って配設されるコンクリート打設用型枠をトンネル内で支持する型枠支持装置でトンネル内の底部上に載置される脚台において、トンネル内の底部上に接地し得る走行車輪を設けた台車を備え、その台車をトンネル内の底部上で支持する接地脚について台車からトンネル内の底部上に向けて延びる支持脚部の延設長さを昇降機構により調節可能に設けたことを特徴とするトンネル内のコンクリート打設用型枠支持装置における脚台。 A ground support placed on the bottom of the tunnel with a formwork support device that supports the concrete casting form placed along the inner periphery of the tunnel. A grounding leg that supports the carriage on the bottom of the tunnel can be adjusted by a lifting mechanism that extends from the carriage toward the bottom of the tunnel. A pedestal in a formwork support device for placing concrete in a tunnel, characterized in that it is provided in a tunnel. 前記接地脚において昇降機構はねじ機構であることを特徴とする請求項１に記載のトンネル内のコンクリート打設用型枠支持装置における脚台。 The footrest in the formwork supporting device for placing concrete in a tunnel according to claim 1, wherein the elevating mechanism in the grounding leg is a screw mechanism. 前記接地脚においてねじ機構は、台車に支持した雌ねじ筒と、この雌ねじ筒を回動させる操作部と、この雌ねじ筒に螺合した雄ねじ部を有する支持部材とを備え、この支持部材は前記支持脚部を有し、この雌ねじ筒の回動操作に伴い、この支持部材が雌ねじ筒に対し移動してこの支持部材の支持脚部の延設長さを調節し得ることを特徴とする請求項２に記載のトンネル内のコンクリート打設用型枠支持装置における脚台。 In the grounding leg, the screw mechanism includes a female screw cylinder supported by the carriage, an operation unit that rotates the female screw cylinder, and a support member that has a male screw part that is screwed into the female screw cylinder. It has a leg part, and this support member can move with respect to a female screw cylinder with rotation operation of this female screw cylinder, and the extension length of the support leg part of this support member can be adjusted. A pedestal in the formwork support device for placing concrete in the tunnel according to 2. 前記支持脚部に接地車輪を設けたことを特徴とする請求項１または請求項２または請求項３に記載のトンネル内のコンクリート打設用型枠支持装置における脚台。 The grounding wheel is provided in the said support leg part, The footrest in the formwork support apparatus for concrete placement in a tunnel of Claim 1 or Claim 2 or Claim 3 characterized by the above-mentioned.
JP2004096669A 2004-03-29 2004-03-29 A footrest in a formwork support device for concrete placement in a tunnel Expired - Lifetime JP4290053B2 (en)

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CN105927247A (en) * 2016-04-15 2016-09-07 鞍山市立业机械制造有限公司 Large section full-automatic mechanical numeric control bogie and construction method thereof

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JP2021070966A (en) * 2019-10-30 2021-05-06 有限会社 伊藤 Method of assembling arch center
JP7171052B2 (en) 2019-10-30 2022-11-15 有限会社 伊藤 How to assemble the center

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