CN106592411B - A kind of erection method of packaged type bridges - Google Patents
A kind of erection method of packaged type bridges Download PDFInfo
- Publication number
- CN106592411B CN106592411B CN201710088865.1A CN201710088865A CN106592411B CN 106592411 B CN106592411 B CN 106592411B CN 201710088865 A CN201710088865 A CN 201710088865A CN 106592411 B CN106592411 B CN 106592411B
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- China
- Prior art keywords
- girder
- preassembled unit
- nose
- nose girder
- packaged type
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of erection methods of packaged type bridges, preassembled unit and bridge erection step including structure.Preassembled unit is made of spanning girder preassembled unit and nose girder preassembled unit, is a kind of stereochemical structure.Girder preassembled unit is larger, and nose girder preassembled unit is smaller, and the two nests together.Spanning girder and nose girder are respectively formed after several preassembled unit connections.The nose girder can slide back and forth in girder.The present invention can be achieved the quick of packaged type bridges and assemble and remove receipts, simplifies the assembly of traditional nose frame nose girder and removes work, can be widely used for rescue and relief work and military operation.
Description
Technical field
The present invention relates to the erections of a kind of packaged type bridges, especially packaged type bridges/remove receiving method.
Background technique
Packaged type bridges are also referred to as reassembling type bridge, are that the highly important bridge rush-repair in home and abroad robs frame equipment, representative
Product is assembly type steel bridge on highway.Assembly type steel bridge on highway is widely used in the motor-driven guarantee of army, usually rescue and relief work and its people
In economic construction.Since assembled highway bridge is readily transported, using flexible can set up into the bridge of different length as needed
Beam, bridge passage is functional, and by the attention of army, national communication war preparedness department and road and bridge company, performance is obtained not
It is disconnected to improve.
The assembled rigid unit of existing several assembly type steel bridge on highway is mainly plane girder and linear stick-type members composition, structure
System is essentially identical, is base-supporting bridge, and basic erection mode is nose frame (being also nose girder) guidance mode.Patent announcement number
Disclosed on patent announcement for " CN 201372404Y " a kind of " wide-span ", the truss of the bridge by
Sheet triangular web member and H-type metal chord member are assembled.The patent announcement of patent announcement number " ZL201218003212.7 "
" a kind of chord member of reassembling type bridge ".Girder involved in above-mentioned patent is made of plane girder or linear stick-type members.Its
Main deficiency is that the number of components is more, and it is slower to set up speed for joint connection in site heavy workload." assembly type steel bridge on highway uses hand to data
Volume ", " ZB-200 type assembly type steel bridge on highway service instruction ", " ZB-450 type assembly type steel bridge on highway working service is said
The erection method that bright book " is introduced is nose frame guidance mode.Nose frame used in this method is assembled using girder truss element, sets up
When spanning front end install nose frame, push spanning and nose frame to opposite bank together.After nose frame reaches opposite bank rock and roll, with spanning
Continue to push, need to remove nose frame in time, the main deficiency of this method is the installation of nose frame and removes laborious time-consuming.Not only in frame
If when need install and remove nose frame, remove receive bridge when be also required to reinstall and remove nose frame, larger workload is unfavorable for
The fast erecting of bridge and remove receipts.Especially when bridge span is larger, that is adopted uses Nose rack structure form complicated, common constructor
Member is not easy to grasp, and influences erection construction safety.
Bailey bridge used in Britain, the U.S. and MDB bridge (Mabey Delta Bridge) etc., with China's assembled highway
Steel bridge is similar, and erection method also uses nose frame guidance to set up.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of packaged type bridges, by way of being assembled into preassembled unit,
Synchronized links form the girder and nose girder of spanning, to reduce the consolidation service amount of spanning, simplify the assembling process of nose girder, need to be
It sets up/removes time receiving installation, remove nose girder, to improve bridge erection speed.
In order to solve the above-mentioned technical problem, the present invention includes the structure of packaged type bridges, and sets up/remove accordingly receipts
Step.The packaged type bridges constitute main structure by girder, nose girder and crossbeam etc..Girder is made of girder preassembled unit, is led
Beam is made of nose girder preassembled unit, and girder preassembled unit and nose girder preassembled unit may respectively be segment pattern, nose girder preassembled unit
It is nested in inside girder preassembled unit, forms preassembled unit, joined end to end, be respectively combined by pin joint, bolt or other modes
At girder and nose girder.First by nose girder by releasing in girder when erection, cantilever extension arrives at opposite bank, and spanning relies on nose girder to slide to pair again
Bank.After spanning reaches opposite bank, nose girder is aligned with spanning, is no longer removed.
The girder preassembled unit includes the connector between the load bearing beam and load bearing beam of the left and right sides, will by crossbeam
Two preassembled units (being also possible to multiple) hold together, and constitute bridge span structure.Crossbeam can both be located at preassembled unit lower part
Base-supporting bridge is formed, preassembled unit top can also be located at and form car for deck bridge.
The nose girder preassembled unit is nested in girder preassembled unit, can be slided in girder preassembled unit.Prepackage is single
The length of member, Lifting Capacity when by transport or erection determine.When transport or erection, nose girder preassembled unit can be filled by locking
It sets fixed in girder preassembled unit.
The erection/remove receipts step are as follows: when erection, nose girder is stretched out by drawing or pushing in girder, until being able to maintain bridge
Predetermined position across balance, locking nose girder prevent the opposite sliding between nose girder and girder.Push spanning to opposite bank again, until leading
Opposite bank rock and roll support is costed in beam front end, releases the locking system between nose girder and girder, and keeps nose girder and opposite bank rock and roll support solid
It is fixed.It pushes girder to slide to opposite bank along nose girder, until making spanning take a seat after girder is aligned with nose girder, completes the erection of bridge.Remove receipts
Operation procedure is in contrast.Spanning is first risen, props up on the rock and roll support of two sides, nose girder and opposite bank rock and roll support is fixed, led
Draw girder and retracts my bank to predetermined position.Release the fixation of nose girder and opposite bank rock and roll support, locking nose girder and girder.By girder with
Nose girder retracts my bank together, until structural focus returns to my bank rock and roll support rear, releases the locking between nose girder and girder, retracts
Nose girder removes crossbeam, girder and nose girder is decomposed into preassembled unit to being aligned with girder, remove harvest it is complete.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is that two section preassembled units join end to end main view.According to the crane capacity of hoisting machine tool, three sections can also be used
Or more section preassembled unit.
Fig. 2 is preassembled unit side view.
Fig. 3 is spanning cross-sectional view.
Fig. 4~Figure 10 is the implementation principle figure of erection method of the present invention.
Specific embodiment
The present invention includes girder 11, nose girder 12 and crossbeam 2, and girder 11 is made of girder preassembled unit 111, and nose girder 12 is by leading
Beam preassembled unit 121 forms, and girder preassembled unit 111 and nose girder preassembled unit 121 may respectively be segment pattern, and nose girder prepackage is single
Member 121 is nested in inside girder preassembled unit 111, is formed preassembled unit 1, is joined end to end by pin joint, bolt or other modes
It is respectively combined into girder 11 and nose girder 12.
Girder preassembled unit 111 includes the load bearing beam 1111 and connector 1112 of the left and right sides, will by connector 1112
Two sides load bearing beam 1111 holds together.
Nose girder preassembled unit 121 is made of left and right sides load bearing beam 1211 and connector 1212, and it is single to be nested in girder prepackage
In member 111, nose girder preassembled unit 121 can slide in girder preassembled unit 111, can also be fixed by locking system.
The preassembled unit 1 of the left and right sides is connected by crossbeam 2, constitutes bridge main body structure.
As shown in Fig. 4~Figure 10, erection of the invention/remove receiving method includes the following steps:
When erection, nose girder 12 is stretched out by drawing or pushing in girder 11, until it is able to maintain the predetermined position of spanning balance, lock
Only nose girder 12 prevent the opposite sliding between nose girder 12 and girder 11.Push girder 11 and nose girder 12 to opposite bank together again, until leading
Opposite bank rock and roll support 3 is costed in 12 front end of beam, releases the locking system between nose girder 12 and girder 11, and shake nose girder 12 with opposite bank
It is fixed to roll support 3, girder 11 is pushed to slide to opposite bank along with nose girder 12, until so that spanning is taken a seat after girder 11 is aligned with nose girder 12, it is complete
At the erection of bridge.It removes and receives operation procedure in contrast, first rise spanning, branch is on the support of two sides, by nose girder 12 and opposite bank
Rock and roll support 3 is fixed, and traction girder 11 retracts my bank to predetermined position, releases the fixation of nose girder 12 and opposite bank rock and roll support 3,
Make nose girder 12 and 11 locking of girder.Girder 11 and nose girder 12 are retracted into my bank together, until structural focus returns to my bank rock and roll support 4
Rear releases the locking between nose girder 12 and girder 11, retracts nose girder 12 and be aligned to girder 11, decompose each structure, remove and harvest
Finish.
Claims (7)
1. a kind of erection method of packaged type bridges, including the end to end preassembled unit of several sections (1), the preassembled unit
It (1) include girder preassembled unit (111) and nose girder preassembled unit (121), it is single that nose girder preassembled unit (121) is nested in girder prepackage
First (111) are internal, and the girder preassembled unit (111), which joins end to end, to be combined into girder (11), the nose girder preassembled unit (121)
It joins end to end and is combined into nose girder (12), which is characterized in that nose girder (12) is stretched out by traction in girder (11) or push, until can protect
Maintain an equal level the predetermined position weighed, locking nose girder (12), then pushes girder (11) and nose girder (12) to opposite bank together, until before nose girder (12)
Opposite bank rock and roll support (3) is costed at end, is released the locking system between nose girder (12) and girder (12), is shaken nose girder (12) with opposite bank
It rolls support (3) to fix, pushes girder (11) to slide to opposite bank along nose girder (12), until making bridge after girder (11) is aligned with nose girder (12)
Across taking a seat, the erection of bridge is completed.
2. the erection method of packaged type bridges according to claim 1, which is characterized in that the girder preassembled unit
(111) include the left and right sides load bearing beam (1111) and connector (1112), by connector (1112) by two sides load bearing beam
(1111) it holds together.
3. the erection method of packaged type bridges according to claim 1, which is characterized in that the nose girder preassembled unit
(121) it is made of left and right sides load bearing beam (1211) and connector (1212), it is small compared with girder preassembled unit (111), it can be in master
Sliding in beam preassembled unit (111), and can be fixed by locking system.
4. the erection method of packaged type bridges according to claim 2, which is characterized in that the load bearing beam (1111) is purlin
Frame structure or plate-girder, box-beam structure.
5. the erection method of packaged type bridges according to claim 3, which is characterized in that the load bearing beam (1211) is purlin
Frame structure or plate-girder, box-beam structure.
6. the erection method of packaged type bridges according to claim 1, which is characterized in that the bridge further includes crossbeam
(2), crossbeam (2) is located at preassembled unit (1) lower part formation base-supporting bridge.
7. the erection method of packaged type bridges according to claim 1, which is characterized in that the bridge further includes crossbeam
(2), crossbeam (2) is located at preassembled unit (1) top formation car for deck bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088865.1A CN106592411B (en) | 2017-02-20 | 2017-02-20 | A kind of erection method of packaged type bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088865.1A CN106592411B (en) | 2017-02-20 | 2017-02-20 | A kind of erection method of packaged type bridges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106592411A CN106592411A (en) | 2017-04-26 |
| CN106592411B true CN106592411B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710088865.1A Active CN106592411B (en) | 2017-02-20 | 2017-02-20 | A kind of erection method of packaged type bridges |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761543B (en) * | 2017-07-12 | 2022-05-31 | 赵启林 | Device and method for quickly constructing large-span lightweight emergency bridge |
| CN108179695B (en) * | 2017-11-24 | 2019-08-16 | 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 modular assembly formula emergency bridge and its erection method |
| CN109653076B (en) * | 2018-12-24 | 2021-01-08 | 四川港航建设工程有限公司 | Combined type flood control flood gate first bailey steel bridge and construction method |
| CN109853355B (en) * | 2019-01-22 | 2021-05-28 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Vehicle-mounted emergency mechanized bridge with front guide beam and erection method thereof |
| CN112252196B (en) * | 2019-09-20 | 2022-04-12 | 重庆工业职业技术学院 | Bridge protection frame locking device |
| CN113463516B (en) * | 2021-05-19 | 2023-03-28 | 赵启林 | Large-span fiber reinforced composite material rush-repair beam erecting method |
| CN113957813A (en) * | 2021-11-12 | 2022-01-21 | 石家庄铁道大学 | Expandable truss member, expandable rush-repair beam truss and emergency rush-repair beam |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2801328B1 (en) * | 1999-11-19 | 2002-02-01 | Soc Civ D Brevets Matiere | METAL BRIDGE APRON AND METHOD OF CONSTRUCTING A BRIDGE COMPRISING SUCH AN APRON |
| DE10242863A1 (en) * | 2002-09-14 | 2004-04-08 | Dornier Gmbh | Kit for a dismantled bridge |
| SE535709C2 (en) * | 2011-12-02 | 2012-11-20 | Fmt Int Trade Ab | Passenger jetty for airports and ships |
| CN202688900U (en) * | 2012-08-22 | 2013-01-23 | 吴立新 | Telescopic bridging machine |
| CN104652247B (en) * | 2013-11-26 | 2016-08-31 | 湖北华舟重工应急装备股份有限公司 | A kind of dismountable modularized emergency bridge |
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- 2017-02-20 CN CN201710088865.1A patent/CN106592411B/en active Active
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| CN106592411A (en) | 2017-04-26 |
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