CN105648915B - The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam - Google Patents
The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam Download PDFInfo
- Publication number
- CN105648915B CN105648915B CN201511025753.9A CN201511025753A CN105648915B CN 105648915 B CN105648915 B CN 105648915B CN 201511025753 A CN201511025753 A CN 201511025753A CN 105648915 B CN105648915 B CN 105648915B
- Authority
- CN
- China
- Prior art keywords
- truss
- box beam
- main
- variable cross
- bearing platform
- 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.)
- Active
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Abstract
A kind of cradle construction device of asymmetric arc variable cross-section thin wing slab box beam, Hanging Basket is made up of beam face triangle main truss, bearing platform, vang system, walking system, anti-pushing system, anchor system, operating platform and built-in fitting system in place etc..The bearing platform of Hanging Basket is constituted using box beam main frame and truss combining structure, the rigidity of Hanging Basket is effectively controlled, and reduces the deadweight of Hanging Basket, saved cost.The empty basket walking task of Hanging Basket is completed using walking dolly, walking track, crab jaw type sliding block, steel suspender belt, beam face inner side triangle main truss and haulage gear.When using, crab jaw type sliding block is counter to be hooked on the triangle main truss of beam face inner side, crab jaw type sliding block is connected by contacting steel suspender belt with bearing platform girder, bearing platform afterbody is anchored and kingpost baseplate by traveling wheel, haulage gear traction piston shoes reach, so as to drive bearing platform to move forward, the walking manner is steadily reliable.
Description
Technical field
The present apparatus is related to bridge box and beam construction field, and in particular to a kind of extension of asymmetric arc variable cross-section thin wing slab box beam
Basket constructing device.
Background technology
The dragging suspension basket of existing cable-stayed bridge box girder construction is for the design of symmetrical box-beam structure, for the country
Main truss of the existing cradle construction on beam face is using the connection of horizontal-associate beam, and Hanging Basket is usually integrally bilateral symmetry.Its
Have the disadvantage：It is not suitable for asymmetric arc box girder with variable cross section；There is certain doing to construction using horizontal-associate in the main truss on beam face
Disturb, and for needed on beam face truck crane aid in construct in the case of, the main truss horizontal-associate on Hanging Basket beam face can influence traffic.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of asymmetric arc variable cross-section thin wing slab box beam
Cradle construction device.
A kind of cradle construction device of asymmetric arc variable cross-section thin wing slab box beam, it include bearing platform, vang system,
Walking system, anti-pushing system in place, anchor system, operating platform and built-in fitting system, box beam main frame and truss combining structure
Constitute the bearing platform of Hanging Basket, box beam main frame includes main longitudinal grider, main longitudinal grider both sides are provided with time longeron by horizontal-associate, side time
Longeron is connected with gull wing type truss principal, and gull wing type truss principal is used for the box beam skew web plate and wing plate of construction reference sectional side,
The secondary longeron of opposite side is connected with Horizontal load-bearing truss, and Horizontal load-bearing truss is used for arc variable cross-section side box beam of constructing, and level is held
Weight truss outer end top is provided with the skew web plate truss of adjustable-height transverse movable, and secondary longeron top is provided with positioned at box beam upper end
Beam face triangle inner side main truss, beam face triangle inner side main truss outside is provided with main truss on the outside of the triangle of beam face, the beam of variable cross-section side box beam side
Main truss has two on the outside of the triangle of face, and its underpart connects outrigger and transversely movable connection under being respectively equipped with Horizontal load-bearing truss
Outrigger, main truss bottom connects outrigger, beam face under setting gull wing type truss principal on the outside of the beam face triangle of standard section side box beam side
Connector is provided with the outside of triangle between main truss and the bottom basket of Hanging Basket, connection is provided between beam face triangle inner side main truss and bearing platform
Steel suspender belt, steel suspender belt upper end is provided with crab jaw type sliding block, and crab jaw type sliding block is counter to be hooked on the main truss of beam face triangle inner side, crab jaw type sliding block
It is connected with bearing platform girder by steel suspender belt, main longitudinal grider outside is provided with walking track, is provided with walking dolly in walking track, institute
The connection outrigger that main truss and its underpart are set on the outside of the beam face triangle stated can direction across bridge movement so as to be used for arc variable cross-section side case
The construction of beam, the skew web plate truss of adjustable-height transverse movable be adjustable-height can the mechanism of direction across bridge movement be used for arc
The construction of deformation sectional side box beam skew web plate and wing plate.
The separate setting of main truss on the outside of above-mentioned beam face triangle, it is located at flange plate, for ensureing asymmetric arc
The balance of deformation section thin wing slab box beam.
Above-mentioned beam face triangle inner side main truss is used for the guiding of anchoring and the Hanging Basket walking of Hanging Basket bearing platform.
Above-mentioned main longitudinal grider is interval setting two, and horizontal-associate is provided between two main longitudinal griders.
Above-mentioned connector is the fining twisted steels of Ф 40.
The present invention achieves following technique effect：
1st, the present invention constitutes the bearing platform of Hanging Basket using box beam main frame and truss combining structure, effectively controls Hanging Basket
Rigidity, and reduce the deadweight of Hanging Basket, saved cost.Using walking dolly, walking track, crab jaw type sliding block, steel suspender belt,
Beam face triangle inner side main truss and haulage gear complete the empty basket walking task of Hanging Basket.When using, crab jaw type sliding block is counter to be hooked in beam face
On the main truss of triangle inner side, crab jaw type sliding block is connected by contacting steel suspender belt with bearing platform girder, and bearing platform afterbody is by row
Walk pulley to be anchored on kingpost baseplate, haulage gear traction crab jaw type sliding block reach, so that drive bearing platform to move forward, should
Walking manner is steadily reliable.
2nd, beam face using 3, the downstream in upstream 2 amount to 5 main trusses solve the left-right asymmetry arc variable cross-section case of axis
The construction of beam.The load-bearing that is integrally laid flat as downstream of outside main truss that can be on the downstream arc variable cross-section curb girder face of direction across bridge movement
The anchoring mechanism of platform, the moveable skew web plate truss of adjustable-height direction across bridge is placed on the bearing platform that downstream is integrally laid flat
The box beam skew web plate and wing plate of upper construction arc variable cross-section side.Upstream is oblique using the box beam of gull wing type truss construction standard section side
Web and wing plate.Form larger left-right asymmetry complicated Hanging Basket.
3rd, there is connection to be that the main truss on the Hanging Basket beam face is mutually independent each other between domestic Hanging Basket beam face main truss at present to tie
Structure, reduces the interference to constructing, and do not influence the traffic of remaining equipment such as beam face truck crane.
4th, asymmetric left and right unbalance loading concrete box girder cantilever is solved using the asymmetric main couple of bridge floor and bearing platform
Cast-in-place construction.The construction with brackets using pier in heavy Hanging Basket counterweight method or water is avoided, cost has greatly been saved.
5th, downstream uses the moveable skew web plate truss of adjustable-height as box beam skew web plate and the template branch of flange plate
Support, so as to solve the contracture of arc box girder with variable cross section.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the section front view of the embodiment of the present invention 1；
Fig. 2 is the section front view of the embodiment of the present invention 2；
Fig. 3 is bearing platform front view；
Fig. 4 is side view of the invention；
Fig. 5 is top view of the invention；
Fig. 6 is the structural representation of crab jaw type sliding block.
Wherein, 1, main truss on the outside of the triangle of beam face, 2, beam face triangle inner side main truss, 3, main longitudinal grider, 4, secondary longeron, 5, gull wing type
Truss principal, 6, Horizontal load-bearing truss, 7, the moveable skew web plate truss of adjustable-height direction across bridge, 8, horizontal-associate, 9, walking rail
Road, 10, walking dolly, 11, connector, 12, crab jaw type sliding block, 13, vang system.14th, outrigger is connected under Horizontal load-bearing truss,
15th, transversely movable connection outrigger, 16, connect outrigger, 17 steel suspender belts under gull wing type truss principal.
Specific embodiment
Embodiment 1：
Such as Fig. 1,3-6, a kind of cradle construction device of asymmetric arc variable cross-section thin wing slab box beam, it is flat including load-bearing
Platform, vang system 13, walking system, anti-pushing system in place, anchor system, operating platform and built-in fitting system, box beam main frame
With truss combining structure constitute Hanging Basket bearing platform, box beam main frame include main longitudinal grider 3, main longitudinal grider both sides are set by horizontal-associate 8
The secondary longeron for having secondary longeron 4, side is connected with gull wing type truss principal 5, and gull wing type truss principal is used for construction reference sectional side
Box beam skew web plate and wing plate, the secondary longeron of opposite side is connected with Horizontal load-bearing truss 6, and Horizontal load-bearing truss is used for arc of constructing
Variable cross-section side box beam, Horizontal load-bearing truss outer end top is provided with the skew web plate truss 7 of adjustable-height transverse movable, secondary longeron
Top is provided with beam face triangle inner side main truss 2 positioned at box beam upper end, and it is main that beam face triangle inner side main truss outside is provided with beam face triangle outside
Purlin 1, main truss has two on the outside of the beam face triangle of variable cross-section side box beam side, and its underpart connects under being respectively equipped with Horizontal load-bearing truss
Outrigger 14 and transversely movable connection outrigger 15, main truss bottom sets the gull wing on the outside of the beam face triangle of standard section side box beam side
Outrigger 16 is connected under formula truss principal, connector 11, beam face triangle is provided with the outside of the triangle of beam face between main truss and the bottom basket of Hanging Basket
Connection steel suspender belt 17 is provided between inner side main truss and bearing platform, steel suspender belt upper end is provided with crab jaw type sliding block 12, crab jaw type sliding block
Counter to be hooked on the main truss of beam face triangle inner side, crab jaw type sliding block is connected by steel suspender belt with bearing platform girder, and main longitudinal grider outside sets
There is walking track 9, walking dolly 10 is provided with walking track, the connection that main truss and its underpart are set on the outside of described beam face triangle
Outrigger can direction across bridge movement so as to for arc variable cross-section side box beam construction, the skew web plate purlin of adjustable-height transverse movable
Frame be adjustable-height can the mechanism of direction across bridge movement be used for the construction of arc variable cross-section side box beam skew web plate and wing plate.
Embodiment 2：
As Fig. 2-6, structure are similar to Example 1, main truss position sets on the outside of two beam face triangles of variable cross-section side box beam side
Put difference, the present embodiment is arranged at the positive upper end of skew web plate truss of adjustable-height transverse movable, and embodiment 1 two it
In the only one positive upper end of skew web plate truss for being arranged on adjustable-height transverse movable.And preferably, described beam face
The separate setting of main truss on the outside of triangle, it is located at flange plate, for ensureing asymmetric arc variable cross-section thin wing slab box beam
Balance.Described beam face triangle inner side main truss is used for the guiding of anchoring and the Hanging Basket walking of Hanging Basket bearing platform.The master
Longeron is interval setting two, and horizontal-associate is provided between two main longitudinal griders.The connector is the fining twisted steels of Ф 40.
Operation principle of the present invention：Using the skew web plate truss of adjustable-height transverse movable as box beam skew web plate and the wing
The formwork-support of listrium, so as to solve the construction of asymmetric arc box girder with variable cross section.Main truss on beam face is mutually only each other
Vertical structure, reduces the interference to constructing, and do not influence the traffic of remaining equipment such as beam face truck crane.Using walking dolly, OK
Walk the empty basket walking task that track, crab jaw type sliding block, steel suspender belt, beam face triangle inner side main truss and haulage gear complete Hanging Basket.Make
Used time, crab jaw type sliding block is counter to be hooked on the main truss of beam face triangle inner side, and crab jaw type sliding block is by contacting steel suspender belt and bearing platform master
Beam is connected, and bearing platform afterbody is anchored on kingpost baseplate by traveling wheel, haulage gear traction crab jaw type sliding block reach, from
And driving bearing platform to move forward, the walking manner is steadily reliable.
Claims (5)
1. a kind of cradle construction device of asymmetric arc variable cross-section thin wing slab box beam, it includes bearing platform, vang system
（13）, walking system, anti-pushing system in place, anchor system, operating platform and built-in fitting system, box beam main frame and truss are combined
Structure constitutes the bearing platform of Hanging Basket, and box beam main frame includes main longitudinal grider（3）, it is characterised in that：Main longitudinal grider both sides pass through horizontal-associate
（8）With twice longerons（4）It is connected integral, the secondary longeron of side is connected with gull wing type truss principal（5）, gull wing type load-bearing purlin
Frame is used for the box beam skew web plate and wing plate of construction reference sectional side, and the secondary longeron of opposite side is connected with Horizontal load-bearing truss（6）, water
Flat truss principal is used for arc variable cross-section side box beam of constructing, and it is laterally removable that Horizontal load-bearing truss outer end top is provided with adjustable-height
Dynamic skew web plate truss（7）, secondary longeron top is provided with beam face triangle inner side main truss positioned at box beam upper end（2）, beam face triangle inner side
Main truss outside is provided with main truss on the outside of the triangle of beam face（1）, main truss has two, its underpart on the outside of the beam face triangle of variable cross-section side box beam side
It is respectively equipped with Horizontal load-bearing truss and connects outrigger（14）With transversely movable connection outrigger（15）, standard section side box beam
Main truss bottom connects outrigger under setting gull wing type truss principal on the outside of the triangle of beam face（16）, main truss and Hanging Basket on the outside of the triangle of beam face
Connector is provided between the basket of bottom（11）, connection steel suspender belt is provided between beam face triangle inner side main truss and bearing platform（17）, steel hangs
Band upper end is provided with crab jaw type sliding block（12）, crab jaw type sliding block is counter to be hooked on the main truss of beam face triangle inner side, and crab jaw type sliding block passes through steel
Suspender belt is connected with bearing platform main longitudinal grider, and main longitudinal grider outside is provided with walking track（9）, walking dolly is provided with walking track
（10）, the connection outrigger that main truss and its underpart are set on the outside of described beam face triangle can direction across bridge movement cut so as to becoming for arc
The construction of surface side box beam, the skew web plate truss of adjustable-height transverse movable be adjustable-height can direction across bridge movement mechanism
For the construction of arc variable cross-section side box beam skew web plate and wing plate.
2. the cradle construction device of asymmetric arc variable cross-section thin wing slab box beam according to claim 1, it is characterised in that：
The separate setting of main truss on the outside of described beam face triangle, it is located at flange plate, for ensureing asymmetric arc variable cross-section
The balance of thin wing slab box beam.
3. the cradle construction device of asymmetric arc variable cross-section thin wing slab box beam according to claim 1, it is characterised in that：
Described beam face triangle inner side main truss is used for the guiding of anchoring and the Hanging Basket walking of Hanging Basket bearing platform.
4. the cradle construction device of asymmetric arc variable cross-section thin wing slab box beam according to claim 1 and 2, its feature exists
In：The main longitudinal grider is interval setting two, and horizontal-associate is provided between two main longitudinal griders.
5. the cradle construction device of asymmetric arc variable cross-section thin wing slab box beam according to claim 1 and 2, its feature exists
In：The connector is the fining twisted steels of Ф 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025753.9A CN105648915B (en) | 2015-12-31 | 2015-12-31 | The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025753.9A CN105648915B (en) | 2015-12-31 | 2015-12-31 | The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105648915A CN105648915A (en) | 2016-06-08 |
| CN105648915B true CN105648915B (en) | 2017-06-23 |
Family
ID=56490897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511025753.9A Active CN105648915B (en) | 2015-12-31 | 2015-12-31 | The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105648915B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978783A (en) * | 2017-05-16 | 2017-07-25 | 中铁八局集团第二工程有限公司 | The Hanging Basket poured for skew web plate formula continuous beam cantilever |
| CN111778863B (en) * | 2020-07-20 | 2021-12-03 | 中铁大桥局第九工程有限公司 | Cantilever beam steel formwork system with adjustable cross slope |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2732820Y (en) * | 2005-04-21 | 2005-10-12 | 路桥集团第二公路工程局 | Main truss cradle rear-anchor switching device |
| KR101413058B1 (en) * | 2012-07-25 | 2014-06-30 | 삼성물산 주식회사 | Box girder |
| CN202755294U (en) * | 2012-08-31 | 2013-02-27 | 中国市政工程西北设计研究院有限公司 | Large-spread-wing type bridge section |
| CN103437303A (en) * | 2013-08-21 | 2013-12-11 | 中交二公局第一工程有限公司 | Bottom basket rear beam walking device for bridge construction hanging basket |
| JP6038753B2 (en) * | 2013-09-20 | 2016-12-07 | 川田建設株式会社 | Concrete block curing device for girders |
| CN204139066U (en) * | 2014-08-15 | 2015-02-04 | 山东省路桥集团有限公司 | A kind of plate girder bracket, construction bracket and construction Hanging Basket |
| CN104631342A (en) * | 2015-02-15 | 2015-05-20 | 中铁大桥局集团第五工程有限公司 | Device and method for closure construction of girder side span of cable-stayed bridge |
| CN205348000U (en) * | 2015-12-31 | 2016-06-29 | 中国葛洲坝集团第五工程有限公司 | Cradle construction device of asymmetric arc variable cross section thin wing board case roof beam |
-
2015
- 2015-12-31 CN CN201511025753.9A patent/CN105648915B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105648915A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105421249B (en) | Dragging- hoisting combined type hanging basket structure and construction method | |
| CN202899044U (en) | Vierendeel box-shaped double-girder bridge crane | |
| CN205223872U (en) | Drag and hang novel string of basket structure of convolution | |
| CN103669217B (en) | A kind of rear-support hanging basket and its entirety change width method for traversing | |
| CN110130229A (en) | It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method | |
| CN106758828B (en) | The application method of fixed asymmetric bridge girder cantilever assembly equipment | |
| CN202688901U (en) | Double-beam bridge erecting machine | |
| CN104213477A (en) | Straddle type single-track double-box rectangular steel-concrete composite track beam structure | |
| CN107675630A (en) | A kind of overhead prefabricated box girder erection device of light rail and its construction method | |
| CN202055176U (en) | Composite hanging basket with center cable plane and big cantilever girder structure | |
| CN105648915B (en) | The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam | |
| CN205348000U (en) | Cradle construction device of asymmetric arc variable cross section thin wing board case roof beam | |
| CN102190249B (en) | Method for hoisting equipment positioned at bottom of multilayer frame platform | |
| CN107268455B (en) | Concrete girder gooseneck composite structure beam cradle construction method | |
| CN103437301A (en) | Method for mounting construction hanging basket of suspended pouring section of single plane cable-stayed bridge | |
| CN106480825A (en) | Railway nonstandard Beams Erection Construction engineering method | |
| CN206635657U (en) | A kind of symmetrical formula Bridge Erector of setting a roof beam in place | |
| CN108086168A (en) | Ride cable-styled erection crane | |
| CN102926330B (en) | Installation method of hanging basket suitable for bridge construction | |
| CN106400700A (en) | Double-line cantilever type bridge formation machine | |
| CN205636521U (en) | Basket is hung in construction of truss -like cantilever | |
| CN207987749U (en) | Ride cable-styled erection crane | |
| CN105839550A (en) | Oppressive traveling mechanism used for cantilever hanging basket and cantilever hanging basket | |
| CN106320190A (en) | Platform of bridge maintenance, consolidation and suspension construction | |
| CN111705682A (en) | Construction method and equipment for removing and rebuilding superstructure of widened bridge across electrified railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |