CN1103689A - Bridge span erecting machine composed with emergency beams - Google Patents
Bridge span erecting machine composed with emergency beams Download PDFInfo
- Publication number
- CN1103689A CN1103689A CN 94101454 CN94101454A CN1103689A CN 1103689 A CN1103689 A CN 1103689A CN 94101454 CN94101454 CN 94101454 CN 94101454 A CN94101454 A CN 94101454A CN 1103689 A CN1103689 A CN 1103689A
- Authority
- CN
- China
- Prior art keywords
- beams
- bridge
- meters
- section
- support
- 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
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The built-up movable-stand type bridge span erecting machine has several functions of bridge-location section built-up, complete-opening deposit of railway PC beam, erecting prefabricated 32 m T-beam, etc. and it is mainly used for bridge-location section built-up of 40-56 m span. It is constituted mainly by door leaf-type V-shaped joists, forked beam section lifter, beam section moving trolley, location regulator and locker, rolls and tractor for sliding prop.
Description
The invention belongs to a kind of assembly group traversing carriage formula bridge fabrication machine, it has section assembling Dun Ding construction prestressed steel reinforced concrete beam (P.C beam), the whole cast-in-place beam in hole and sets up factory and make multiple functions such as T beam, adapts to the construction of span 40-56 rice railway reinforced concrete beam especially.
The railroad bridge load is heavy, highly big and width is narrow.The restriction of equipment owing to set a roof beam in place, past railway freely-supported P.C beam bridge maximum span mostly is 32 meters greatly, and several seats are 40 meters.Big or bridge pier is when higher when the bridge length overall, and the little meeting of span causes bridge pier too close too much, and unfavorable to the flood discharge navigation, cost also can improve.Want span and reach more than 40 meters, traversing carriage formula bridge fabrication machine is the most effective a kind of way.
It is that the fifties end, Germany is at first developed that traversing carriage formula pier top original position is made beam equipment, and development is very fast in states such as American-European Japan, but is used for road bridge more, and Japan once was used for railway bridge, and the span length is 30-34 rice only.General utility functions are a kind of in cast-in-place of prefabricated subsection assembly unit or whole hole.
Adopt traversing carriage section assembling method to make beam, the beam joint can be prefabricated, and be bridge opening original position system beam, and the beam body structure is simplified, and saving steel, cement and auxiliary material duration shorten, quality improves, the labour saves in a large number, operation is safer.Particularly can promote building site system beam, span increases, and is a kind of advanced person's bridging technology.
The objective of the invention is to design Chinese eight or the seven sections road composed with emergency beams (being called for short eight or seven section steel beams) of a kind of utilization and piece together a kind of traversing carriage formula bridge fabrication machine of group.It has section assembling and makes the cast-in-place beam, the system T of factory type roof beam structure made of beam, whole hole and the function that bridge location Dun Ding makes beam such as establish.Adapt to span and reach 40-56 rice.In order to solve because of the equipment of setting a roof beam in place limits, China railways serves as that main formed pier height is striden short unreasonable situation with 32 meters concrete beam.
General layout Plan of the present invention: support adopts the half through inversion of eight or seven section steel beams, contains girder, nose girder and tail boom.With " door leaf formula " ingot-shaped subiculum joist support joist joint or template, following joist can Unscrew to cross bridge pier.Establish V shape beam joint jacking equipment, transporting apparatus, rackwork and locking device in the support.The batch production of beam joint is prefabricated, and bridge location Zhuliang internode can wet and connect or glued joint.Concrete pouring, steel tendon tensioning process are undertaken by the characteristics of traversing carriage job practices.
Further specify below in conjunction with drawings and Examples:
Fig. 1: the overall formation schematic diagram of this bridge fabrication machine;
Fig. 2: this bridge fabrication machine V shape beam joint lifting gear constitutes schematic diagram.
This bridge fabrication machine by support 1, bottom bracket 2, V shape beam joint lifting gear 3, send beam dolly 4, moveable longitudinal beam 5, the dilatory drum box 6 of truss, dilatory hoist engine 7, lift winch 8, beam tail slide block 9, lifting loft (support top the raised area) 11, longeron 12 to constitute.Wherein V shape beam joint lifting gear 3 has actuating unit 3-1, balladeur train assembly 3-2, guide pillar 3-3, fork plate 3-4, fork plate mobile device 3-5.
This machine is formed support 1 with eight or seven section steel beams, has the joist 2 and the bridge pier of can outwarding winding under the door leaf formula ingot-shaped; With fork elevating device 3 the precast beam joint is fallen in the support 1; Establish in the support 1 and move beam dolly 4 and beam joint rackwork and locking device; Support is divided into drum box 6, the support tail is established slide block 9.
Joist under traversing carriage that eight or seven section steel beams are formed and the door leaf formula ingot-shaped is characterized in that:
Truss is combined into by eight or seven section steel beam equipment, comprises girder (piecing together concrete beam in its abdomen), nose girder, tail boom.No longer need balance weight when drawing traversing carriage.Basic purlin is high 4.34 meters, and the nose girder front height is 2.17 meters.
Two of main trusses are provided with flat vertical connection between two.But for prefabricated concrete beam joint is sent into the purlin abdomen, have 8 meters long skylights, piece together the building 11 of forming a cabinet on the skylight, group's sheet is arranged outward to do reinforcement.
(abbreviation duty) following joist is in place when piecing together concrete beam, and girder is box-shaped.Joist 2 is opened under (being called for short dilatory state) when support 1 moves, and girder is the π type.
The nose girder front end is established the section of upwarping, and guides the square pier of going forward when being convenient to draw.
Girder is set joist 2 and is saved with the support concrete beam.Following joist 2 is made up of crossbeam (ingot-shaped is to strive for headroom) and longeron 12, is connected in the lower-chord panel point of support 1 with bracket.The big section of following joist 2 minutes three, with the section be unit respectively left or the right side outward winding.Attention application reversible chain block has been hung and has been closed, and must not freely throw away, with plan safety.Crossbeam is special, and half is eight or seven section steel beam rod members to longeron 12 approximately, and all the other are special carling.
Depend on the beam joint lifting gear 3 of the flexible prong of band of support 1, it is characterized in that:
Fork plate 3-4 can move in the fork cover through hole of balladeur train assembly 3-2, and fork plate 3-4 extension elongation is adjustable.
Guide pillar 3-3 section is the II type, and two notches of the wing plate overhanging formation of symmetry are the slider slideway of balladeur train assembly 3-2 in the one side channel mouth, and side channel mouth bottom surface is the side direction roller slideway of balladeur train assembly 3-2 in addition.
During the lifting of beam joint, at the bottom of four the opposed support concrete box girder of fork plate 3-4 beams of two groups of balladeur train assembly 3-2.
Be the operation sequence that example describes the construction of this bridge fabrication machine in detail with the section assembling method below:
With the half through inversion of eight or seven sections road composed with emergency beams equipment assembling support 1(eight or seven section steel beams), specified node and pier cap center align, and a jail is on the supporting bearing beam of drum box 6 tops.
Prefabrication concrete beam joint (hereinafter to be referred as the beam joint) winds up from the purlin tail and delivers on the moveable longitudinal beam 5.
Start lift winch 8, fork elevating device 3 lifts the beam joint, and vertical shift moveable longitudinal beam 5 falls within the fork shovel joist joint and send on the beam dolly 4 outside the skylight.Dolly 4 pushes away away, fork shovel return, and moveable longitudinal beam 5 companies of returning are in order to picking next beam joint.
Sending beam dolly 4 is track with longeron 12, and the beam joint is delivered to the precalculated position, carries out level and absolute altitude adjustment, props up then on box bearing support.Send beam dolly 4 to return, pick next beam joint.
Repeat 2) 3) 4) step, till all beam joints of this beam are in place.Between Liang Jie and the beam joint at a distance of about 60 centimetres, so that do wet joint.
Do wet joint: at beam septa intersegmental position, upright good inner formword ties up reinforcing bar, bellows, upright good external mold, concrete perfusion.After treating that it reaches predetermined strength, stripping is worn the king wire bundle and is carried out stretch-draw by design.
Adjust box bearing support, the P.C beam is fallen within on the bearing of pier top, open down joist 2 then and rotate sagging.Play ceiling hold 1 and remove bearing beam, support 1 falls within on the drum box 6.Purlin tail slide block 9 falls within on the track of P.C back portion.
To next P.C beam position, hole, play 1 jail of ceiling hold with rack winch 7 dilatory supports 1 on the supporting bearing beam on the drum box 6, carry out the assembly group of next hole P.C beam.
The operation sequence of V shape beam joint lifting gear 3:
The concrete beam joint is delivered on the moveable longitudinal beam 5 by the transportation chassis, and this lifting gear 3 stretches out four fork plate 3-4, support beam joint lower shoe.
The balladeur train 3-2 that hoists raises the beam joint, breaks away from and send the beam dolly.
Return the top travelling bogie, reach moveable longitudinal beam 5 makes the skylight open.
Fall balladeur train 3-2, the beam joint is fallen, until dropping on sending on the beam dolly on the subiculum longeron 12.
Withdraw four and pitch plate 3-4, send beam dolly 4 to transfer the beams joint.
The balladeur train 3-2 that hoists rises to the top, skylight, and moveable longitudinal beam 5 returns prepare to meet next beam joint.
When this bridge fabrication machine is made the P.C beam, both can adopt the section assembling method, also can adopt the cast-in-place method in whole hole.When still there were 32 meters and the system P.C of following span factory beam in the bridge both ends or one end, available frame established, and needn't transfer the bridge formation machine again.This machine is particularly suitable for that span reaches the railway middle span box-shaped simply supported beam of 30-56 rice or the bridge location Dun Ding of continuous beam makes beam.
Advantage of the present invention:
Span is big: can be used in that span reaches the railway middle span Simply-supported Box-beam of 40-56 rice or the bridge location Dun Ding of continuous beam makes beam, this railway span is advanced level both domestic and external. To help to change China's past limits because of setting up girder, and railway is striden short unreasonable situation take 32 meters beams of concretes as main formed pier height, thereby promotes Railway Concrete Bridge design and the innovation of making and the development of railway construction.
Multi-functional, adapt to wide: can make Liang Youke and set a roof beam in place, its rack beams equipment also can be done the emergency first-aid repair beam and use.
Cost is low: span increases, and bridge pier quantity reduces.
Construction fast, quality is good: made full use of the Inherent advantage of composed with emergency beams, combined section assembling method advanced in the world today again and design.
So bridge fabrication machine of the present invention is that a kind of to make beam span big, function is many and widely applicable, and speed of application is fast and cost is low, quality is good, and the assembly unit convenient transportation is beneficial to the bridging equipment of promoting the use of.
Claims (4)
1, a kind of being used to built the bridge fabrication machine that span is 40～56 meters railway reinforced concrete beams, it is characterized in that: by the portable joggle beam support (1) of eight or seven type beam assembly groups, down joist (2), V shape beam joint lifting gear (3), send beam dolly (4), moveable longitudinal beam (5), the dilatory drum box (6) of truss, dilatory hoist engine (7), lift winch (8), beam tail slide block (9), lifting loft (11), longeron (12) to constitute.
2, the described bridge fabrication machine of claim 1, it is characterized in that: the truss of traversing carriage (1) is combined into (the half through inversion of eight or seven type beams) by eight or seven sections road composed with emergency beams equipment, comprise girder (in its abdomen, piecing together concrete beam), nose girder, tail boom, basic purlin is high 4.34 meters, and nose girder front end height is 2.17 meters; Two of main trusses are provided with flat vertical connection and have 8 meters skylight between two, assembly group lifting loft (11) and have group's sheet to strengthen outward on the skylight; The nose girder front end is provided with the section of upwarping, and guides the square pier of going forward when being convenient to draw.
3, the described bridge fabrication machine of claim 1, it is characterized in that: following joist is " door leaf formula " ingot-shaped, is made up of crossbeam (ingot-shaped is to strive for headroom) and longeron, is connected in the support lower-chord panel point with bracket; Following joist divides three big sections, with the section be unit respectively left or the right side outward winding, hang with reversible chain block and open and close, must not freely throw away; Crossbeam is special, and it is eight or seven type rod members that longeron has half approximately, and all the other are special carling.
4, the described bridge fabrication machine of claim 1 is characterized in that: V shape beam joint lifting gear (3) depends on support and the flexible prong of band; Fork plate (3-4) can move in the fork cover through hole of balladeur train assembly (3-2), and its extension elongation is adjustable; Guide pillar (3-3) section is the II type, two notches of the wing plate overhanging formation of symmetry, and opposite side is balladeur train assembly (3-2's a) slider slideway in the side channel mouth, side channel mouth bottom surface is the side direction slideway of balladeur train assembly (3-2) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94101454A CN1058311C (en) | 1994-02-25 | 1994-02-25 | Bridge span erecting machine composed with emergency beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94101454A CN1058311C (en) | 1994-02-25 | 1994-02-25 | Bridge span erecting machine composed with emergency beams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1103689A true CN1103689A (en) | 1995-06-14 |
| CN1058311C CN1058311C (en) | 2000-11-08 |
Family
ID=5030165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94101454A Expired - Fee Related CN1058311C (en) | 1994-02-25 | 1994-02-25 | Bridge span erecting machine composed with emergency beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1058311C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117791B (en) * | 2007-08-22 | 2010-12-08 | 中铁大桥局股份有限公司 | Abnormal shape steel case and orthotropic plate bottom formwork combined type moving die carrier framework and construction method thereof |
| CN101230560B (en) * | 2007-01-24 | 2010-12-08 | 董兰田 | Hydraulic elevator tower cable-stayed straddle bridge hoisting truck |
| CN101787678B (en) * | 2010-02-08 | 2012-03-21 | 中铁一局集团有限公司 | Large-span section assembling bridge manufacturing machine and assembling construction process thereof |
| CN102535351A (en) * | 2012-03-11 | 2012-07-04 | 中铁二十局集团第二工程有限公司 | Web plate type bridge fabrication machine for constructing bridge under strong wind and high altitude conditions and construction process |
| CN103276647A (en) * | 2013-05-27 | 2013-09-04 | 北京交通大学 | Track beam emergency repairing and replacing system |
| CN107386121A (en) * | 2017-08-08 | 2017-11-24 | 湖北华舟重工应急装备股份有限公司 | A kind of railroad bridge quickly robs logical mechanization bridge formation equipment and its application method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE136962T1 (en) * | 1990-07-27 | 1996-05-15 | Muller J Int | BRIDGE CONSTRUCTION SYSTEM |
-
1994
- 1994-02-25 CN CN94101454A patent/CN1058311C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230560B (en) * | 2007-01-24 | 2010-12-08 | 董兰田 | Hydraulic elevator tower cable-stayed straddle bridge hoisting truck |
| CN101117791B (en) * | 2007-08-22 | 2010-12-08 | 中铁大桥局股份有限公司 | Abnormal shape steel case and orthotropic plate bottom formwork combined type moving die carrier framework and construction method thereof |
| CN101787678B (en) * | 2010-02-08 | 2012-03-21 | 中铁一局集团有限公司 | Large-span section assembling bridge manufacturing machine and assembling construction process thereof |
| CN102535351A (en) * | 2012-03-11 | 2012-07-04 | 中铁二十局集团第二工程有限公司 | Web plate type bridge fabrication machine for constructing bridge under strong wind and high altitude conditions and construction process |
| CN102535351B (en) * | 2012-03-11 | 2013-06-12 | 中铁二十局集团第二工程有限公司 | Web plate type bridge fabrication machine for constructing bridge under strong wind and high altitude conditions and construction process |
| CN103276647A (en) * | 2013-05-27 | 2013-09-04 | 北京交通大学 | Track beam emergency repairing and replacing system |
| CN103276647B (en) * | 2013-05-27 | 2015-08-19 | 北京交通大学 | A kind of rail beam emergency first-aid repair replacement system |
| CN107386121A (en) * | 2017-08-08 | 2017-11-24 | 湖北华舟重工应急装备股份有限公司 | A kind of railroad bridge quickly robs logical mechanization bridge formation equipment and its application method |
| CN107386121B (en) * | 2017-08-08 | 2019-05-17 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A kind of railroad bridge quickly robs logical mechanization and builds bridge equipment and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1058311C (en) | 2000-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101787678B (en) | Large-span section assembling bridge manufacturing machine and assembling construction process thereof | |
| CN208087078U (en) | A kind of boom hoisting of large span steel reinforced concrete combination beam Bridge Erector | |
| CN103255726A (en) | Construction method for continuous beam and arch combination bridge | |
| CN2597531Y (en) | Single rope face tracting rope hanging cage | |
| CN110396931A (en) | A kind of excessively cable-styled erection crane of center double plane cable stayed bridge and its construction method | |
| CN209652741U (en) | Across the rail yard large span overpass of one kind | |
| CN111778857B (en) | Process for synchronously erecting upper and lower beams of double-layer overhead bridge of urban public rail | |
| CN110820602A (en) | Single-segment box girder bridge girder erection machine and operation method thereof | |
| CN114808722A (en) | Construction method of cable-stayed bridge reinforced concrete main beam | |
| CN110468743B (en) | Movable hanging bracket for transformation of old bridge pier cap and construction method | |
| CN111485500A (en) | Transverse lengthening reinforcing construction method and structure for retreating and dismantling of rhombic hanging basket | |
| CN1103689A (en) | Bridge span erecting machine composed with emergency beams | |
| CN105088970A (en) | Construction method of corrugated steel web PC box girder cable-stayed bridge | |
| CN108149589B (en) | Bridge girder erection machine with large span and tunnel box girder | |
| CN212714544U (en) | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure | |
| CN109371852A (en) | A kind of high-level bridge construction method across rail yard | |
| CN110344334B (en) | Construction method for two-span continuous steel-concrete composite bridge by adopting back cable type bridge girder erection machine | |
| CN209338005U (en) | A kind of mobile height leg gantry crane of erecting beam construction | |
| CN219218724U (en) | Main girder hanging and paving integrated machine for combined girder cable-stayed bridge | |
| CN116216481A (en) | Multi-point lifting balance assembly for steel beam lifting | |
| CN201598572U (en) | Large-span segment assembly bridge fabrication machine | |
| CN1061117C (en) | Bridge span erecting machine | |
| CN212895958U (en) | Lower hanging movable bridge floor crane | |
| CN209260561U (en) | A kind of integration Bridge Erector | |
| CN212769526U (en) | Lower bearing lifting type bridge floor crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |