JPH08209629A - Overhanging type construction device for bridge - Google Patents

Overhanging type construction device for bridge

Info

Publication number
JPH08209629A
JPH08209629A JP3448495A JP3448495A JPH08209629A JP H08209629 A JPH08209629 A JP H08209629A JP 3448495 A JP3448495 A JP 3448495A JP 3448495 A JP3448495 A JP 3448495A JP H08209629 A JPH08209629 A JP H08209629A
Authority
JP
Japan
Prior art keywords
bridge
shuttle
truss girder
guide rail
girder
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.)
Granted
Application number
JP3448495A
Other languages
Japanese (ja)
Other versions
JP3150558B2 (en
Inventor
Shigeo Inoue
繁夫 井上
Yukio Manabe
幸男 真鍋
Katsuhito Henmi
雄人 逸見
Shinji Nakatani
眞二 中谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP03448495A priority Critical patent/JP3150558B2/en
Publication of JPH08209629A publication Critical patent/JPH08209629A/en
Application granted granted Critical
Publication of JP3150558B2 publication Critical patent/JP3150558B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Bridges Or Land Bridges (AREA)

Abstract

PURPOSE: To execute overhang construction of a bridge safely and quickly among the mountains by hoisting a face bar by means of a tower crane, carrying it by a shuttle running on the existing trussed girder on a bridge pier, and positioning and jointing it on the construction position. CONSTITUTION: A face bar 6b is hoisted by means of a tower crane 3 built nearby a separately built bridge pier 1, delivered to the face bar receiving girder of the existing trussed girder 10 on the bridge pier 1, the face bar receiving girder is turned round, and the face bar 6b is grasped on a shuttle running on a guide rail. The shuttle 9 is run while grasping the face bar 6b, transferred onto the fixed rail of a construction machine 11 at the construction place, shifted in the width direction of the bridge pier 1 by a side shifting mechanism at the prescribed position, and further moved upward or downward by an elevatable cylinder so as to position it. The face bar 6b positioned in this way is jointed with an existing trussed girder 6 by an operator. After completing joint, the shuttle 9 is retreated for receiving a next face bar 6b. At every time completing construction of one span of trussed girder, the construction machine 11 is moved to the extreme end by one span.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、橋梁の張出し架設、特
に山間等の平地の少ない場所で行う橋梁の張出し架設に
好適な橋梁張出し式架設装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bridge overhanging apparatus suitable for overhanging a bridge, particularly for overhanging a bridge in a place with little flat land such as mountains.

【0002】[0002]

【従来の技術】山間の平地の少ない場所で従来行ってい
る橋梁の張出し架設を説明すると、図10(A)側面図
〜同図(B)平面図に示すように、1は山間の傾斜地に
建設した橋脚、2は橋脚1の上部に補強した斜ベント、
2′は工事用の仮設ベント、3は橋脚1の近くに立設し
たタワークレーン、4は橋脚下部付近に仮設した桟橋、
5は搬送用トラック、6aは桟橋4上からタワークレー
ン3により吊り上げる橋梁トラス桁の単材、6は橋脚上
で単材6aを組立て接合し本設したトラス桁、7は上記
既設のトラス桁6上に設けた軌条と結合して移動するよ
うにトラス桁端近くに搭載した前後1対のトラベラーク
レーン、8は両トラベラークレーン7,7の間で既設の
トラス桁上を移動し、タワークレーン3が吊り上げた単
材6aをトラベラークレーン7の位置へ搬送したり、橋
脚上で使用する発電機を搭載したりする運搬台車であ
る。橋梁の張出し架設は、タワークレーン3により単材
6aを地上の桟橋4から橋脚1上へ吊り上げ、運搬台車
8でトラベラークレーン7近くへ運搬し、トラベラーク
レーン7により台車8上の単材を1本ずつ吊り上げて所
定の位置へ運搬し、取付け場所近傍で待機している専門
職がこの単材6aの位置決め、取付けを行い、トラス桁
6の1スパンの架設が終了すると、橋面上の軌条を案内
としてトラベラークレーン7を1スパン桁先端側の次の
架設場所へ移動し、同様の作業を繰り返す要領で行って
いる。
2. Description of the Related Art Explaining the conventional bridge erection in a place where there is little flatland in the mountains, as shown in the side view of FIG. 10A to the plan view of FIG. The constructed pier, 2 is an oblique vent reinforced above the pier 1,
2'is a temporary vent for construction, 3 is a tower crane standing near the pier 1, 4 is a pier temporarily installed near the lower part of the pier,
5 is a transportation truck, 6a is a single material of a bridge truss girder suspended from the pier 4 by the tower crane 3, 6 is a truss girder which is assembled and joined to the single material 6a on the pier, and 7 is the existing truss girder 6 A pair of front and rear traveler cranes mounted near the end of the truss girder so as to move in combination with the rail provided above. 8 moves on the existing truss girder between both traveler cranes 7, 7 and tower crane 3 Is a carrier truck for transporting the single material 6a that has been lifted to the position of the traveler crane 7 and for mounting a generator used on the pier. For the overhanging of the bridge, the single material 6a is lifted from the jetty 4 on the ground to the pier 1 by the tower crane 3 and is transported to the vicinity of the traveler crane 7 by the carrier 8, and one single material on the carrier 8 is transported by the traveler crane 7. Each one is lifted up and transported to a predetermined position, and a professional who stands by near the installation location positions and installs this single material 6a, and when the installation of one span of the truss girder 6 is completed, the rail on the bridge surface is As a guide, the traveler crane 7 is moved to the next erection place on the tip side of the one-span girder, and the same work is repeated.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記の
従来の工法では、例えば自重が50トン規模のトラベラ
ークレーン7や、10トン規模の複数の運搬台車8のよ
うな大重量の架設機材を建設途中のトラス桁6上に支持
し、移動させるため、短い間隔で仮設ベント2等を設け
て既設のトラス桁6を支持したり、トラス桁自体を補強
したりする必要がある。また、高所作業により単材6a
を1本ずつ位置合わせ接合してトラス桁6を架設するの
で、能率が悪く工事期間が長引く。また、トラベラーク
レーン7で部材を吊り上げ旋回するので、風の強い日や
降雨時には危険が大きく、作業ができない。さらに、ト
ラベラークレーン本体が重いためその設置,解体に時間
がかかる等の問題がある。
However, in the above-mentioned conventional construction method, for example, during construction of heavy construction equipment such as a traveler crane 7 having a self-weight of 50 tons or a plurality of transport trucks 8 having a capacity of 10 tons. In order to support and move on the truss girder 6, it is necessary to provide the temporary vents 2 and the like at short intervals to support the existing truss girder 6 or to reinforce the truss girder itself. In addition, a single material 6a is used due to work at height.
Since the truss girders 6 are erected by aligning and joining them one by one, it is inefficient and the construction period is prolonged. Also, since the members are hoisted and rotated by the traveler crane 7, there is a great danger on a windy day or on a rainy day, and the work cannot be performed. Further, since the traveler crane body is heavy, it takes time to install and dismantle it.

【0004】本発明はこのような事情に鑑みて提案され
たもので、橋梁の張出し架設のために高所の橋桁上で使
用する架設機材を軽量化し、平地の少ない工事現場での
架設に際しても部分的に面組ブロック単位で、架設でき
るようにし天候による作業の中断を減少する安全迅速か
つ経済的な橋梁張出し式架設装置を提供することを目的
とする。
The present invention has been proposed in view of the above circumstances, and the weight of the erection equipment used on bridge girders at high places for erection of bridges is reduced, and even when erected at a construction site with little flat ground. It is an object of the present invention to provide a safe, quick, and economical bridge overhanging installation device that can be installed partially in units of frame blocks and reduce work interruption due to weather.

【0005】[0005]

【課題を解決するための手段】そのために本発明は、橋
梁の近傍に設置されたタワークレーン(3)と、同橋梁
上に架設され、同タワークレーン(3)で吊り上げられ
た架設中の面材(6b)を受け取る面材受梁(10a)
を備えた既設トラス桁(10)と、同既設トラス桁(1
0)及び新たに架設されたトラス桁(6)の上面に連続
して敷設された第1のガイドレール(16)に沿って摺
動自在に設置され、本体に固定された第2のガイドレー
ル(11a)及び上下移動自在に構成された第3のガイ
ドレール(11b)を備えた架設機(11)と、前記既
設トラス桁(10)及び新たに架設されたトラス桁
(6)の上面に連続して敷設された第4のガイドレール
(13)及び前記第2,第3のガイドレール(11
a),(11b)に沿って往復移動自在に設置され、前
記面材受梁(10a)で支持吊り下げられた面材を把持
して受け取るチャック(9a)及び同チャック(9a)
で把持された面材(6b)を橋梁の幅方向へ移動させる
幅寄せ機構(17)を備えたシャトル(9)とを具えた
ことを特徴とする。
To this end, the present invention provides a tower crane (3) installed near a bridge and a surface being erected on the bridge and being erected by the tower crane (3). Face material beam (10a) for receiving the material (6b)
Existing truss girder (10) and the existing truss girder (1)
0) and a second guide rail fixed slidably along the first guide rail (16) continuously laid on the upper surface of the newly installed truss girder (6). (11a) and an erection machine (11) provided with a vertically movable third guide rail (11b), and on the upper surface of the existing truss girder (10) and newly installed truss girder (6). A fourth guide rail (13) continuously laid and the second and third guide rails (11)
chucks (9a) and the same chuck (9a), which are installed so as to be reciprocally movable along a) and (11b) and grip and receive a face material supported and suspended by the face material receiving beam (10a).
And a shuttle (9) provided with a width-shifting mechanism (17) for moving the face material (6b) gripped in (1) in the width direction of the bridge.

【0006】[0006]

【作用】このような構成によれば、トラス桁を構成する
架設材料は、あらかじめ単材を面組した面材6bとして
搬入され、搬入された面材6bはタワークレーン3によ
って吊り上げられて既設トラス桁10の面材受梁10a
(図6)に受け渡され、次いで第4のガイドレール13
上を移動してきたシャトル9のチャック9a(図2)で
把持されてシャトル9側へ受け渡された(図6→図2)
後、シャトル9が再び移動して架設機11の第2のガイ
ドレール11a及び第3のガイドレール11bに乗り移
って面材6bは架設場所へ移動され、また、第3のガイ
ドレール11bが上下へ移動して位置決めされた後、既
設のトラス桁10へ接合される。こうしてトラス桁1−
スパンの架設が終了すると、架設機11が第1のガイド
レール16,16に沿って先端のトラス桁6(図1)位
置へ移動した後、同様の操作を繰り返し行う。
According to such a construction, the erection material forming the truss girder is carried in as the surface material 6b in which a single material is assembled in advance, and the carried surface material 6b is lifted up by the tower crane 3 and the existing truss is installed. Face material beam 10a of girder 10
(Fig. 6) and then the fourth guide rail 13
It was gripped by the chuck 9a (Fig. 2) of the shuttle 9 moving above and passed to the shuttle 9 side (Fig. 6 → Fig. 2).
After that, the shuttle 9 moves again to transfer to the second guide rail 11a and the third guide rail 11b of the erection machine 11, the face material 6b is moved to the erection place, and the third guide rail 11b moves up and down. After being moved and positioned, it is joined to the existing truss girder 10. Thus truss girder 1-
When the span erection is completed, the erection machine 11 moves to the position of the truss girder 6 (FIG. 1) at the tip end along the first guide rails 16 and 16, and then the same operation is repeated.

【0007】[0007]

【実施例】本発明の一実施例を図面について説明する
と、図1はその橋梁架設装置を示す全体側面図、図2は
図1のII−II矢視横断面図、図3は図1〜図2のシャト
ルの全体構造を示す正面図、図4は図3の上部を示す拡
大図、図5は図1の架設機を示す拡大図、図6は図1に
おける既設トラス桁による面材の受取り要領を示す正面
図、図7は図1におけるシャトルによる面材の受取りを
示す同じく正面図、図8は図1におけるシャトルによる
面材の搬送要領を示す側面図、図9は図8の側面図及び
平面図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall side view showing the bridge erection device, FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. 2 is a front view showing the entire structure of the shuttle, FIG. 4 is an enlarged view showing the upper part of FIG. 3, FIG. 5 is an enlarged view showing the erection machine of FIG. 1, and FIG. 6 is a plan view of the surface material by the existing truss girder in FIG. FIG. 7 is a front view showing the receiving procedure, FIG. 7 is a front view showing the receipt of the surface material by the shuttle in FIG. 1, FIG. 8 is a side view showing the transportation method of the surface material by the shuttle in FIG. 1, and FIG. 9 is a side view of FIG. It is a figure and a top view.

【0008】まず、図1〜図2に示すように、本発明の
橋梁架設装置はあらかじめ、傾斜地に立設された橋脚1
上に別途方法で架設された既設トラス桁10,橋脚1の
近傍に別途方法で立設されたタワークレーン3,既設ト
ラス桁10上に移動自在に設置された架設機11,既設
トラス桁10上面及び架設機11下部に設置したガイド
レール(後述)に沿って往復移動するシャトル9などで
構成される。
First, as shown in FIGS. 1 and 2, the bridge erection device of the present invention has a bridge pier 1 which is erected in advance on a sloping ground.
An existing truss girder erected by a separate method above, a tower crane erected separately by a method near the bridge pier 3, a erection machine 11 movably installed on the existing truss girder 10, an upper surface of the existing truss girder 10 And a shuttle 9 that reciprocates along a guide rail (described later) installed below the erection machine 11.

【0009】タワークレーン3はあらかじめ、単材を面
組して搬入されたトラス桁単位としての面材6bを吊り
上げる。既設トラス桁10には、図6(A),(B)に
示すように、旋回可能な上下1対からなる面材受梁10
aが設けられ、タワークレーン3で吊り上げた面材6b
を受取り、又は開放するようになっている。
The tower crane 3 preliminarily lifts a face member 6b as a unit of truss girder, which has been assembled by assembling a single member. As shown in FIGS. 6 (A) and 6 (B), the existing truss girder 10 is provided with a face material beam 10 composed of a pair of upper and lower swivel members.
Face material 6b provided with a and lifted by the tower crane 3
To receive or open.

【0010】架設機11は、図2,図4〜図5等に示す
ように、既設トラス桁10,新設のトラス桁6上に敷設
されたガイドレール16に沿って移動自在に設置され、
前後1対のレールクランプ20,21(図5)をガイド
レール16に対して交互に固縛と開放を行いながら、伸
縮ジャッキ19を伸縮させることにより、尺取り虫的に
移動できる。架設機11下部には、図8に示すように、
後部本体に固定されたガイドレール11a及び前部に昇
降シリンダー15によって上下移動できるガイドレール
11bが設けられている。これらのガイドレール11
a,11bは既設トラス桁10及び新設のトラス桁6上
に敷設されたガイドレール13か乗り移ったシャトル9
の走行をガイドする。なお、ガイドレール11bは左右
2組で構成され、一方は走行用、他方はサポート用であ
る。
The erection machine 11 is movably installed along an existing truss girder 10 and a guide rail 16 laid on a new truss girder 6, as shown in FIGS.
By extending and contracting the telescopic jack 19 while alternately securing and opening the pair of front and rear rail clamps 20 and 21 (FIG. 5) with respect to the guide rail 16, the telescopic jack 19 can be moved like a scale. Below the erection machine 11, as shown in FIG.
A guide rail 11a fixed to the rear body and a guide rail 11b that can be moved up and down by a lifting cylinder 15 are provided at the front. These guide rails 11
a and 11b are the existing truss girder 10 and the guide rail 13 laid on the new truss girder 6 or the shuttle 9 which has been transferred.
To guide the running. The guide rails 11b are composed of two sets of left and right, one for traveling and the other for support.

【0011】シャトル9は図2〜図4に示すように、開
閉するチャック9aを備えており、既設トラス桁10の
面材受梁10aで支持された面材6bを受け取って搬送
する。また、チャック9aを支持する移動台17a,ボ
ールネジ17c,駆動モーター17b,ガイドローラ1
7dなどよりなる幅寄せ機構17を備えており、駆動モ
ーター17bを駆動してボールネジ17cを介して移動
台17aを移動し、チャック9aで支持した面材6bを
橋梁幅方向へ幅寄せする。また、シャトル9の上枠先端
には既設トタス桁10及び新設のトラス桁6上面に敷設
されたガイドレール13と係合するガイド9cが、同じ
く上枠上には架設機11のガイドレール11a,11b
と係合するガイドローラー9b,9cがそれぞれ設けら
れており、シャトル9は既設トラス桁10上及び新設の
トラス桁6上ではガイド9cがガイドレール13と係合
し、架設機11設定位置ではガイドローラー9b,9c
がガイドレール11a及び11bと係合して走行する。
このシャトル9の走行移動は、図1に示すように、シャ
トル9に取り付けた索引ワイヤ12を駆動手段(図示省
略)によって前方又は後方へ引っ張ることによって行
う。なお、8はつなぎ単材,機器類等を運搬するための
台車である。
As shown in FIGS. 2 to 4, the shuttle 9 is provided with a chuck 9a that opens and closes, and receives and conveys the face material 6b supported by the face material receiving beam 10a of the existing truss girder 10. Further, a moving table 17a supporting the chuck 9a, a ball screw 17c, a drive motor 17b, a guide roller 1
It is provided with a width-shifting mechanism 17 composed of 7d, etc., and drives the drive motor 17b to move the moving table 17a via the ball screw 17c, and shifts the face material 6b supported by the chuck 9a in the bridge width direction. Further, a guide 9c that engages with an existing tot girder 10 and a guide rail 13 laid on the upper surface of the new truss girder 6 is provided at the tip of the upper frame of the shuttle 9, and a guide rail 11a of the erection machine 11 is also provided on the upper frame. 11b
Guide rollers 9b and 9c for engaging with are provided respectively, and in the shuttle 9, the guide 9c engages with the guide rail 13 on the existing truss girder 10 and the new truss girder 6, and guides at the setting position of the erection machine 11. Rollers 9b, 9c
Runs while engaging with the guide rails 11a and 11b.
The traveling movement of the shuttle 9 is performed by pulling the index wire 12 attached to the shuttle 9 forward or backward by driving means (not shown) as shown in FIG. In addition, 8 is a dolly for transporting a single connecting material, equipment and the like.

【0012】本架設装置による架設手順を説明する。ま
ず、図1に示すように、山間の傾斜地に建設された橋脚
1上に既設トラス桁10及びタワークレーン3を別途手
段によって設置する。そして、搬入された面材6bをタ
ワークレーン3によって吊り上げ、既設トラス桁10の
面材受梁10aに受け渡す。すると、ガイドレール13
(図2)上を移動してきたシャトル9が面材6b位置に
停止し、チャック9aにより面材6b上部を把持する。
次いで、面材受梁10aがレールに直交する方向へ旋回
して面材6bがシャトル9側へ受け渡されると、シャト
ル9はガイドレール13上を架設場所へ向かって移動す
る。そして、あらかじめ架設場所に設定された架設機1
1位置に達すると、シャトル9はガイドレレール13上
から架設機11の固定ガイドレール11aへ乗り移り、
次いで可動ガイドレール11bへ乗り移り、所定位置で
停止する。
The erection procedure by the erection device will be described. First, as shown in FIG. 1, the existing truss girder 10 and the tower crane 3 are installed by separate means on the bridge pier 1 constructed on a sloped mountain. Then, the carried-in face material 6b is lifted by the tower crane 3 and delivered to the face material receiving beam 10a of the existing truss girder 10. Then, the guide rail 13
(FIG. 2) The shuttle 9 moving up stops at the position of the face material 6b, and the chuck 9a grips the upper portion of the face material 6b.
Next, when the face material receiving beam 10a turns in the direction orthogonal to the rail and the face material 6b is delivered to the shuttle 9 side, the shuttle 9 moves on the guide rail 13 toward the installation location. Then, the erection machine 1 set in the erection place in advance
When reaching the 1 position, the shuttle 9 transfers from the guide rail 13 to the fixed guide rail 11a of the erection machine 11,
Next, it moves to the movable guide rail 11b and stops at a predetermined position.

【0013】次いで、幅寄せ機構17(図4)が作動
し、面材6bはチャック9aで把持された状態で橋梁幅
方向(内方)へ移動され、また、架設機11の昇降シリ
ンダー15が作動し、上方又は下方へ移動されて位置決
めが行われた後、作業員によって既設のトラス桁6(図
1)に対して接合される。面材6bの接合が終わると、
チャック9aは開放されて原位置へ復帰し、シャトル9
は元のコースを後退して次の面材の受取に向かう。
Next, the width-shifting mechanism 17 (FIG. 4) is operated, the face material 6b is moved in the bridge width direction (inward) while being held by the chuck 9a, and the lifting cylinder 15 of the erection machine 11 is moved. After being activated and moved up or down for positioning, it is joined to the existing truss girder 6 (FIG. 1) by an operator. When the joining of the face material 6b is completed,
The chuck 9a is released and returns to the original position, and the shuttle 9
Retreats from the original course to receive the next surface material.

【0014】以下、同じ操作を繰り返してトラス桁6の
架設を行い、こうして1スパンのトラス桁の架設が終了
すると、架設機11を1スパンだけ先端側の架設位置へ
移動した後、同様の手順によって架設を行う。
Thereafter, the same operation is repeated until the truss girder 6 is erected, and when erection of the truss girder of one span is completed in this way, the erection machine 11 is moved by one span to the erection position on the tip side, and then the same procedure is performed. By erection.

【0015】[0015]

【発明の効果】以上、詳細に説明したように、本発明の
橋梁架設装置によると、トラス桁上で使用する台車はつ
なぎ単材等軽量の運搬に使用するだけなので小型軽量の
ものでよく、架設機,シャトルを含めても、従来使用し
てきたトラベラクレーンに比較して、設備を著しく軽減
でき、トラス桁の補強も少なくて済む。また、あらかじ
め面組した面材をタワークレーンで吊り上げ、シャトル
で所定位置まで運搬し、機械的に位置決めして接合する
ので効率が大幅に向上して工期が短縮できる。さらに、
タワークレーンで吊り上げた面材はそのままトラス桁に
受け渡された後、シャトルで安全,確実に搬送されるの
で安全作業ができるなどの効果がある。
As described above in detail, according to the bridge erection device of the present invention, since the trolley used on the truss girder is only used for lightweight transportation such as a connecting single material, it may be small and lightweight. Even if the erection machine and the shuttle are included, the equipment can be significantly reduced and the truss girder can be reinforced less than the conventionally used traveler crane. In addition, since the surface materials that have been assembled in advance are hoisted by a tower crane, transported to a predetermined position by the shuttle, mechanically positioned and joined, the efficiency is greatly improved and the construction period can be shortened. further,
The surface material hoisted by the tower crane is delivered to the truss girder as it is, and then safely and reliably transported by the shuttle, which is effective.

【0016】要するに本発明によれば、橋梁の近傍に設
置されたタワークレーン(3)と、同橋梁上に架設さ
れ、同タワークレーン(3)で吊り上げられた架設中の
面材(6b)を受け取る面材受梁(10a)を備えた既
設トラス桁(10)と、同既設トラス桁(10)及び新
たに架設されたトラス桁(6)の上面に連続して敷設さ
れた第1のガイドレール(16)に沿って摺動自在に設
置され、本体に固定された第2のガイドレール(11
a)及び上下移動自在に構成された第3のガイドレール
(11b)を備えた架設機(11)と、前記既設トラス
桁(10)及び新たに架設されたトラス桁(6)の上面
に連続して敷設された第4のガイドレール(13)及び
前記第2,第3のガイドレール(11a),(11b)
に沿って往復移動自在に設置され、前記面材受梁(10
a)で支持吊り下げられた面材を把持して受け取るチャ
ック(9a)及び同チャック(9a)で把持された面材
(6b)を橋梁の幅方向へ移動させる幅寄せ機構(1
7)を備えたシャトル(9)とを具えたことにより、橋
梁の張出し架設のために高所の橋桁上で使用する架設機
材を軽量化し、平地の少ない工事現場での架設に際して
も部分的に面組ブロック単位で、架設できるようにし天
候による作業の中断を減少する安全迅速かつ経済的な橋
梁張出し式架設装置を得るから、本発明は産業上極めて
有益なものである。
In short, according to the present invention, the tower crane (3) installed near the bridge and the face material (6b) being erected on the bridge and being hung by the tower crane (3) are being erected. An existing truss girder (10) provided with a face material receiving beam (10a), and a first guide continuously laid on the upper surfaces of the existing truss girder (10) and the newly installed truss girder (6). A second guide rail (11) slidably installed along the rail (16) and fixed to the main body.
a) and a erection machine (11) equipped with a third guide rail (11b) configured to be movable up and down, and continuous to the upper surface of the existing truss girder (10) and the newly installed truss girder (6) Guide rail (13) and the second and third guide rails (11a), (11b) laid by
Is installed so as to be reciprocally movable along the
A chucking mechanism (1) for moving the chuck (9a) that grips and receives the face material supported and suspended in (a) and the face material (6b) that is gripped by the chuck (9a) in the width direction of the bridge.
By including the shuttle (9) equipped with 7), the construction equipment used on bridge girders at high places for overhanging the bridge can be made lighter, and it can be partially constructed even at construction sites with little flat ground. INDUSTRIAL APPLICABILITY The present invention is extremely useful industrially because it provides a safe, fast, and economical bridge-overhanging erection device that enables erection on a frame-by-frame basis and reduces work interruptions due to weather.

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

【図1】本発明の一実施例を示す橋梁架設装置を示す全
体側面図である。
FIG. 1 is an overall side view showing a bridge construction device showing an embodiment of the present invention.

【図2】図1のII−II矢視横断面図である。FIG. 2 is a cross-sectional view taken along the line II-II of FIG.

【図3】図1〜図2のシャトルの全体構造を示す正面図
である。
FIG. 3 is a front view showing the entire structure of the shuttle shown in FIGS.

【図4】図3の上部を示す拡大図である。FIG. 4 is an enlarged view showing the upper part of FIG.

【図5】図1の架設機を示す拡大図である。5 is an enlarged view showing the erection machine in FIG. 1. FIG.

【図6】図1における既設トラス桁による面材の受取り
要領を示す正面図である。
FIG. 6 is a front view showing how to receive the face material by the existing truss girder in FIG. 1.

【図7】図1におけるシャトルによる面材の受取り要領
を示す同じく正面図である。
7 is a front view of the shuttle in FIG. 1 showing how to receive a face material. FIG.

【図8】図8は図1におけるシャトルによる面材の搬送
要領を示す側面図である。
FIG. 8 is a side view showing a procedure for transporting a face material by the shuttle shown in FIG.

【図9】図8の側面図及び平面図である。9 is a side view and a plan view of FIG. 8. FIG.

【図10】従来の橋梁の架設要領を示す全体側面図及び
平面図である。
FIG. 10 is an overall side view and a plan view showing a conventional bridge installation procedure.

【符号の説明】[Explanation of symbols]

1 橋脚 3 タワークレーン 6 トラス桁 6b 面材 8 台車 9 シャトル 9a チャック 10 既設トラス桁 10a 面材受梁 11 架設機 11a 固定ガイドレール(第2のガイドレール) 11b 可動ガイドレール(第3のガイドレール) 12 索引ワイヤ 13 ガイドレール(第4のガイドレール) 15 昇降シリンダー 16 ガイドレール(第1のガイドレール) 17 幅寄せ機構 17a 移動台 17b 駆動モーター 17c ボールネジ 17d ガイドローラー 19 伸縮ジャッキ 20,21 レールクランプ 1 bridge pier 3 tower crane 6 truss girder 6b surface material 8 cart 9 shuttle 9a chuck 10 existing truss girder 10a surface material receiving beam 11 erection machine 11a fixed guide rail (second guide rail) 11b movable guide rail (third guide rail) ) 12 Index wire 13 Guide rail (4th guide rail) 15 Lifting cylinder 16 Guide rail (1st guide rail) 17 Width adjustment mechanism 17a Moving stand 17b Drive motor 17c Ball screw 17d Guide roller 19 Telescopic jack 20, 21 Rail clamp

───────────────────────────────────────────────────── フロントページの続き (72)発明者 中谷 眞二 広島県広島市西区観音新町四丁目6番22号 三菱重工業株式会社広島製作所内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Shinji Nakatani 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture Mitsubishi Heavy Industries Ltd. Hiroshima Works

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 橋梁の近傍に設置されたタワークレーン
(3)と、同橋梁上に架設され、同タワークレーン
(3)で吊り上げられた架設中の面材(6b)を受け取
る面材受梁(10a)を備えた既設トラス桁(10)
と、同既設トラス桁(10)及び新たに架設されたトラ
ス桁(6)の上面に連続して敷設された第1のガイドレ
ール(16)に沿って摺動自在に設置され、本体に固定
された第2のガイドレール(11a)及び上下移動自在
に構成された第3のガイドレール(11b)を備えた架
設機(11)と、前記既設トラス桁(10)及び新たに
架設されたトラス桁(6)の上面に連続して敷設された
第4のガイドレール(13)及び前記第2,第3のガイ
ドレール(11a),(11b)に沿って往復移動自在
に設置され、前記面材受梁(10a)で支持吊り下げら
れた面材を把持して受け取るチャック(9a)及び同チ
ャック(9a)で把持された面材(6b)を橋梁の幅方
向へ移動させる幅寄せ機構(17)を備えたシャトル
(9)とを具えたことを特徴とする橋梁張出し式架設装
置。
1. A tower crane (3) installed in the vicinity of a bridge and a face material beam for receiving a face material (6b) being erected on the bridge and being suspended by the tower crane (3). Existing truss girder (10) with (10a)
And a first guide rail (16) continuously laid on the upper surface of the existing truss girder (10) and the newly installed truss girder (6), and is slidably installed and fixed to the main body. Erection machine (11) equipped with the above-mentioned second guide rail (11a) and the third guide rail (11b) configured to be movable up and down, the existing truss girder (10), and the newly installed truss The fourth guide rail (13) continuously laid on the upper surface of the girder (6) and the second and third guide rails (11a) and (11b) are installed so as to be reciprocally movable, and the surface is provided. A chucking mechanism (9a) for gripping and receiving the face material supported and suspended by the material receiving beam (10a) and a face moving material (6b) gripped by the chuck (9a) in the width direction of the bridge ( With shuttle (9) with 17) It bridges overhanging type erection device according to claim.
JP03448495A 1995-01-31 1995-01-31 Bridge overhang type erection device Expired - Fee Related JP3150558B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP03448495A JP3150558B2 (en) 1995-01-31 1995-01-31 Bridge overhang type erection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03448495A JP3150558B2 (en) 1995-01-31 1995-01-31 Bridge overhang type erection device

Publications (2)

Publication Number Publication Date
JPH08209629A true JPH08209629A (en) 1996-08-13
JP3150558B2 JP3150558B2 (en) 2001-03-26

Family

ID=12415528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03448495A Expired - Fee Related JP3150558B2 (en) 1995-01-31 1995-01-31 Bridge overhang type erection device

Country Status (1)

Country Link
JP (1) JP3150558B2 (en)

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