JPH0334523B2 - - Google Patents
Info
- Publication number
- JPH0334523B2 JPH0334523B2 JP11512284A JP11512284A JPH0334523B2 JP H0334523 B2 JPH0334523 B2 JP H0334523B2 JP 11512284 A JP11512284 A JP 11512284A JP 11512284 A JP11512284 A JP 11512284A JP H0334523 B2 JPH0334523 B2 JP H0334523B2
- Authority
- JP
- Japan
- Prior art keywords
- movable
- bridge
- work vehicle
- construction
- beams
- 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
Links
- 238000010276 construction Methods 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、架設途中で主桁間隔が拡がり、縮
少する場合、あるいは径間途中で上下線が分離し
ていく場合に使用する橋梁の架設作業車に関する
ものである。[Detailed Description of the Invention] (Field of Industrial Application) This invention is applicable to bridges used when the main girder spacing increases or decreases during construction, or when the upper and lower lines separate in the middle of the span. This relates to construction work vehicles.
（従来技術）
橋梁の架設作業車としては、主体トラスと横梁
とを摺動板を介して摺動可能に取付け、コンクリ
ート橋面に横移動用レールを敷設するとともに主
体トラス下部に横移動用車輪を取付け、油圧シリ
ンダにより横移動するように構成し、主桁間隔に
合わせて主体トラスを横移動させる構成のものが
ある。（特願昭56−98065号〔特公昭58−49643
号〕）
しかしながら、このような架設作業車の場合、
主桁間隔の拡がり、縮少には対応できるものの、
径間途中で上下線が分離していく場合には、使用
することができない。(Prior art) As a bridge construction work vehicle, the main truss and the cross beam are slidably attached via sliding plates, rails for lateral movement are laid on the concrete bridge surface, and wheels for lateral movement are installed at the bottom of the main truss. There is a structure in which the main truss is moved laterally according to the spacing of the main girders by attaching the main truss and moving it laterally using a hydraulic cylinder. (Special Patent Application No. 56-98065 [Special Patent Application No. 58-49643
) However, in the case of such an erection work vehicle,
Although it is possible to accommodate the expansion and reduction of the main girder spacing,
It cannot be used if the upper and lower lines separate in the middle of the span.
そのため、径間途中で上下線が分離していく場
合にも使用することのできる架設作業車が望まれ
ていた。 Therefore, there has been a desire for an erection work vehicle that can be used even when the upper and lower lines are separated in the middle of the span.
（発明の目的）
この発明は、このような要請に鑑みて提案され
たもので、その目的は、架設途中で主桁間隔が拡
がり、縮少する場合はもちろん、径間途中で上下
線が分離する場合にも容易に対応できる比較的簡
単な構成の架設作業車を提供することにある。(Purpose of the Invention) This invention was proposed in view of such requests, and its purpose is to prevent the separation of upper and lower lines in the middle of the span, as well as when the main girder spacing increases or decreases during construction. To provide an erection work vehicle with a relatively simple configuration that can be easily adapted to any case where the work is carried out.
（発明の構成）
この発明に係る橋梁の架設作業車は、前部に垂
下支持部を有し橋梁の長さ方向に移動自在とされ
た架設作業車を、幅員変化部を中心に橋梁幅方向
に一対で配置し、それぞれの架設作業車の幅員変
化部側面に、幅員変化部床板を挟むように上下に
一対の移動梁を架設作業車と一体的に設け、これ
ら移動梁には上下一対の移動梁を移動自在に支持
する転動支持装置を取付け、主桁間隔が拡がり、
縮少する場合および径間途中で上下線が分離する
場合にも使用できるようにしたものである。(Structure of the Invention) A bridge construction vehicle according to the present invention has a hanging support portion at the front part and is movable in the longitudinal direction of the bridge. A pair of moving beams are installed on the sides of the width changing section of each construction vehicle, and a pair of upper and lower movable beams are installed integrally with the construction vehicle so as to sandwich the width changing section floorboard. A rolling support device was installed to support the movable beams, and the spacing between the main girders was expanded.
It can also be used when the span is reduced or when the upper and lower lines are separated in the middle of the span.
（実施例）
以下、この発明を図示する一実施例に基づいて
説明する。(Example) The present invention will be described below based on an illustrative example.
第１図ないし第４図に示すように、架設作業車
Ｗは、下部の車輪および橋面に取付けられたレー
ルにより橋梁Ｂの長手方向に移動自在とされ橋梁
Ｂの幅方向に間隔をおいて二つ配設された主体ト
ラス１と、橋梁Ｂの幅方向に沿つて延在し二つの
主体トラス１の上部に載架されかつ橋梁Ｂの長さ
方向に間隔をおいて複数配設された横梁２，３
と、前部に垂設され型枠・足場を支持する吊柱部
４などからなる垂下支持部とから主たる構成がな
されている。 As shown in Figures 1 to 4, the construction vehicle W is movable in the longitudinal direction of the bridge B by means of lower wheels and rails attached to the bridge surface, and is set at intervals in the width direction of the bridge B. There are two main trusses 1 arranged, and a plurality of main trusses 1 extending along the width direction of the bridge B, mounted on the top of the two main trusses 1, and arranged at intervals in the length direction of the bridge B. Cross beams 2, 3
The main structure consists of a hanging support section including a hanging pillar section 4 which is hung down from the front part and supports the formwork and scaffolding.
本発明に係る架設作業車は、このような架設作
業車Ｗを幅員変化部Ｂ１を中心にして橋梁幅方向
に一対でかつそれぞれが分離独立して配置してな
る。 The construction work vehicle according to the present invention is constructed by disposing such construction work vehicles W as a pair in the bridge width direction with the width change portion B1 as the center, and each of the construction work vehicles W is arranged separately and independently.
このような配置とした場合、架設作業車の前進
移動の安定および打設作業時の安定を図るため、
架設作業車の幅員変化部Ｂ１に何らかの処置を施
す必要がある。 In this arrangement, in order to stabilize the forward movement of the erection work vehicle and stabilize the pouring work,
It is necessary to take some kind of treatment to the width changing portion B1 of the construction vehicle.
本発明においては、第１図に示すようにそれぞ
れの架設作業車Ｗの幅員変化部側面に幅員変化部
床板を挟むように上下に一対の移動梁５，６を架
設作業車Ｗと一体的に設け、これら移動梁５，６
には、連結鋼棒７により接続され一対の移動梁
５，６を移動自在に支持する転動支持装置８を設
けてある。 In the present invention, as shown in FIG. 1, a pair of movable beams 5 and 6 are installed vertically on the sides of the width changing part of each of the construction vehicles W so as to sandwich the width changing part floor plate, and are integrated with the construction vehicle W. provided, these moving beams 5, 6
A rolling support device 8 is provided which is connected by a connecting steel rod 7 and supports the pair of movable beams 5 and 6 in a movable manner.
移動梁５，６は、先端部において前方鋼棒９に
より互いに連結されつつ主体トラス１の横梁２に
接続され、中央部においては、上部の移動梁５が
後方鋼棒１０により主体トラス１の横梁３に接続
されるとともに下部の移動梁６が後方鋼棒１１に
より主体トラス１の垂下横梁１２に接続されてい
る。 The movable beams 5 and 6 are connected to the cross beam 2 of the main truss 1 while being connected to each other by a front steel rod 9 at their tips, and in the center, the upper movable beam 5 is connected to the cross beam of the main truss 1 by a rear steel rod 10. 3, and the lower movable beam 6 is connected to the hanging cross beam 12 of the main truss 1 by a rear steel rod 11.
連結鋼棒７は、第５図に示すように、幅員変化
部Ｂ１の床板を貫通して設けられ、その上下端
に、移動梁５，６を転動するローラ８Ａを備えた
転動支持装置８が接続されている。 As shown in FIG. 5, the connecting steel rod 7 is provided to pass through the floor plate of the width changing portion B1, and is provided with a rolling support device having rollers 8A at its upper and lower ends that roll the movable beams 5 and 6. 8 are connected.
以上のように架設作業車Ｗの横梁２，３と垂下
横梁１２とは、幅員変化部Ｂ１において、鋼棒
９，１０，１１、移動梁５，６、転動支持装置
８、連結鋼棒７などにより連結され、さらに転動
支持装置８により、移動梁すなわち架設作業車Ｗ
が移動自在とされている。 As described above, the cross beams 2 and 3 and the hanging cross beam 12 of the construction vehicle W include the steel rods 9, 10, 11, the movable beams 5 and 6, the rolling support device 8, and the connecting steel rod 7 in the width change portion B1. etc., and furthermore, by a rolling support device 8, a movable beam, that is, an erection work vehicle W
is said to be movable.
第３図ないし第５図は、中央の主桁間隔Ｓが変
化していく場合、第６図ないし第７図は中央部が
分離した場合であり、連結鋼棒７が床版を貫通す
るかしないかの違いだけで、ほぼ同じような使い
方ができる。 Figures 3 to 5 show cases in which the center main girder spacing S changes, and Figures 6 to 7 show cases in which the center part is separated, and whether the connecting steel rod 7 penetrates the deck or not. They can be used in almost the same way, the only difference being whether or not they are used.
次に、移動に際しては次のような工程をとる。 Next, when moving, the following steps are taken.
(i) 移動梁５，６を転動支持装置８により転動支
持しつつ架設作業車Ｗを移動させる。（第８図
参照）
(ii) 盛替え鋼棒１３により移動梁５，６を幅員変
化部Ｂ１に固定した後、転動支持装置８を連結
鋼棒７から外して所定位置まで移動させる。
（第９図参図）なお、中央部が分離していく場
合には、転動支持装置８と連結鋼棒７との接続
を外す必要はない。(i) The construction vehicle W is moved while the movable beams 5 and 6 are supported in a rolling manner by the rolling support device 8. (See FIG. 8) (ii) After fixing the movable beams 5 and 6 to the width changing portion B1 using the replacement steel rod 13, the rolling support device 8 is removed from the connecting steel rod 7 and moved to a predetermined position.
(See FIG. 9) Note that in the case where the central portion is separated, there is no need to disconnect the rolling support device 8 and the connecting steel rod 7.
(iii) 転動支持装置８と連結鋼棒７とを接続し、コ
ンクリートの打設作業などを行なう。次いで、
盛替え鋼棒１３を取外して(i)の工程に移る。(iii) The rolling support device 8 and the connecting steel rod 7 are connected, and concrete pouring work is performed. Then,
Remove the replacement steel rod 13 and proceed to step (i).
（発明の効果）
前述のとおり、この発明によれば架設作業車を
幅員変化部を中心に橋梁幅方向に一対で分離独立
させて配置し、それぞれの架設作業車の幅員変化
部側面に、幅員変化部床板を挟むように上下に一
対の移動梁を架設作業車と一体的に設け、これら
移動梁には、上下一対の移動梁を移動自在に支持
する転動支持装置を取付けたため、次のような効
果を奏する。(Effects of the Invention) As described above, according to the present invention, the erection work vehicles are arranged in pairs in the bridge width direction centering around the width change part, and the width change part is installed on the side of the width change part of each erection work vehicle. A pair of upper and lower movable beams was installed integrally with the construction vehicle so as to sandwich the floor plate of the transition section, and a rolling support device was attached to these movable beams to support the pair of upper and lower movable beams in a movable manner. It has a similar effect.
(i) 横移動装置および横移動作業なしで、主桁間
隔が拡がる、あるいは縮少する場合に使用でき
る。(i) Can be used when main girder spacing is increased or decreased without lateral movement equipment and lateral movement operations.
(ii) 一対の架設作業車が分離独立しているので、
横梁の軽量化、ひいては、装置の軽量化が図れ
る。(ii) Since the pair of construction work vehicles are separated and independent,
It is possible to reduce the weight of the cross beam and, by extension, the weight of the device.
(iii) 径間途中で橋梁が上下線に分離する構造にお
いても容易に対応できる。(iii) It can easily be applied to structures in which the bridge is separated into upper and lower lines in the middle of the span.
(iv) 転動支持装置を横桁に固定していないので、
桁高変化による作業足場の調整作業が不要であ
る。(iv) Since the rolling support device is not fixed to the crossbeam,
There is no need to adjust the work scaffolding due to changes in girder height.
第１図、第２図はこの発明に係る架設作業車を
示す縦断面図、平面図、第３図、第４図、第５図
は第１図の−線断面図、−線断面図、
−線断面図、第６図、第７図は径間途中で上下
線が分離する場合を示した横断面図、第８図、第
９図、第１０図は架設作業車の移動方法を工程順
に示した概略図である。
Ｗ……架設作業車、Ｂ……橋梁、Ｂ１……幅員
変化部、１……主体トラス、２，３……横梁、４
……吊柱部、５，６……移動梁、７……連結鋼
棒、８……転動支持装置、９……前方鋼棒、１
０，１１……後方鋼棒、１２……垂下横梁、１３
……盛替え鋼棒。
1 and 2 are longitudinal sectional views and plan views showing the construction vehicle according to the present invention, and FIGS.
- Line cross-sectional view, Figures 6 and 7 are cross-sectional views showing the case where the upper and lower lines are separated in the middle of the span, Figures 8, 9, and 10 are cross-sectional views showing how to move the construction work vehicle. It is a schematic diagram shown in order. W...Erection work vehicle, B...Bridge, B1...Width change section, 1...Main truss, 2, 3...Horizontal beam, 4
... Hanging column part, 5, 6 ... Moving beam, 7 ... Connecting steel rod, 8 ... Rolling support device, 9 ... Front steel bar, 1
0,11...Rear steel bar, 12...Descent cross beam, 13
...Replacement steel rod.
Claims (1)
動自在とされた架設作業車を、幅員変化部を中心
に橋梁幅方向に一対で配置し、それぞれの架設作
業車の幅員変化部側面に、幅員変化部床板を挟む
ように上下に一対の移動梁を架設作業車と一体的
に設け、これら移動梁には上下一対の移動梁を移
動自在に支持する転動支持装置を取付けたことを
特徴とする架設作業車。1 Erection work vehicles that have a hanging support part at the front and are movable in the longitudinal direction of the bridge are arranged in pairs in the width direction of the bridge centering around the width change part, and each construction work vehicle is moved around the width change part. A pair of upper and lower movable beams was installed on the sides, sandwiching the floorboards of the width changing section, integrally with the construction work vehicle, and a rolling support device was attached to these movable beams to support the pair of upper and lower movable beams in a movable manner. An erection work vehicle characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11512284A JPS60258310A (en) | 1984-06-05 | 1984-06-05 | Construction working vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11512284A JPS60258310A (en) | 1984-06-05 | 1984-06-05 | Construction working vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60258310A JPS60258310A (en) | 1985-12-20 |
| JPH0334523B2 true JPH0334523B2 (en) | 1991-05-23 |
Family
ID=14654802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11512284A Granted JPS60258310A (en) | 1984-06-05 | 1984-06-05 | Construction working vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60258310A (en) |
-
1984
- 1984-06-05 JP JP11512284A patent/JPS60258310A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60258310A (en) | 1985-12-20 |
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