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CN209703272U - A kind of scalable half freely-supported is semicontinuous can spliced girder - Google Patents

A kind of scalable half freely-supported is semicontinuous can spliced girder Download PDF

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Publication number
CN209703272U
CN209703272U CN201822201973.8U CN201822201973U CN209703272U CN 209703272 U CN209703272 U CN 209703272U CN 201822201973 U CN201822201973 U CN 201822201973U CN 209703272 U CN209703272 U CN 209703272U
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CN
China
Prior art keywords
plate
steel
fixed
idler wheel
upper flange
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Withdrawn - After Issue
Application number
CN201822201973.8U
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Chinese (zh)
Inventor
苗通
郭洋洋
邱义伟
熊安书
农兴中
史海欧
高强
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Guangzhou Metro Design and Research Institute Co Ltd
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Guangzhou Metro Design and Research Institute Co Ltd
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Priority to CN201822201973.8U priority Critical patent/CN209703272U/en
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Abstract

The utility model discloses a kind of scalable half freely-supported it is semicontinuous can spliced girder, including at least two beam bodies, suspension scaffold, pier top, the bilateral support for horizontally and vertically being constrained, the one-way support for vertically being constrained;The two neighboring beam body passes through the one-way support respectively, the bilateral support is set on the suspension scaffold, and the pier top is fixed on the suspension scaffold bottom;The beneficial effects of the utility model are: passing through setting rolling member and grid, restricted joint angle is realized at I-beam both ends, discharge the longitudinal restraint of I-beam one end, make the uniform force of pier top, the stress by force between simply supported beam and continuous beam, increase the rigidity of the utility model, there is extensive promotion prospect.

Description

A kind of scalable half freely-supported is semicontinuous can spliced girder
Technical field
The utility model belongs to technical field of rail traffic, and in particular to a kind of scalable half freely-supported is semicontinuous can be assembled Beam.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot Structure is also known as bridge span structure, is across the primary structure of obstacle;Substructure includes abutment, bridge pier and basis;Support is spanning knot The load transfer device of the bearing place setting of structure and bridge pier or abutment;Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection, Training works etc..
When ancients create single-plank bridge, just there is two pier framves, one beam in earliest bridge, becomes most simple in mankind's bridge history Clean, most classic moulding is for " beam bridge ".General beam bridge is mostly simply supported beam or continuous beam.It shelves at the both ends of simply supported beam, i.e. fingerboard On the support, the vertical displacement of support only restained beam, beam-ends are free to rotate;It is moved horizontally to generate entire beam not, one End adds horizontal restraint, and the support at this is known as hinged-support, and the support that horizontal restraint is not added in the other end is known as roller support;Only Both ends are supported on the beam on pillar, are primarily subjected to sagging moment, generally statically determinate structure;System temperature change, is opened concrete shrinkage and creep Prestressing force, support movement etc. is drawn all not to generate additional internal force in beam, stress is simple.Continuous beam be there are three or three or more The beam of support, continuous beam have intermediate support, so its deformation and internal force are usually smaller than single beam, thus in engineering structure Using very wide in (such as bridge) and parts.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, providing that a kind of scalable half freely-supported is semicontinuous can be assembled It is larger to solve single use simply supported beam deformation for beam, and when single use continuous beam the technical issues of pier stud unbalance stress.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme:
A kind of scalable half freely-supported it is semicontinuous can spliced girder, including at least one beam body, suspension scaffold, pier top, for carrying out Bilateral support, the one-way support for vertically being constrained horizontally and vertically constrained;The two neighboring beam body passes through respectively The one-way support, the bilateral support are set on the suspension scaffold, and the pier top is fixed on the suspension scaffold bottom;It is described One-way support, the bilateral support are tension compression bearing.
It more preferably, further include connecting support, the connecting support is set between the suspension scaffold and the pier top.
More preferably, two beam bodies are respectively the first I-steel, the second I-steel;First I-steel includes first Upper flange, the first lower wing plate and the first web;Second I-steel includes the second upper flange, the second lower wing plate and the second abdomen Plate;First web is set between first upper flange and first lower wing plate;Second web is set to institute It states between the second upper flange and second lower wing plate;The first end of the suspension scaffold is inserted into first upper flange and described the Between one lower wing plate, the first end is fixed on first I-steel by the one-way support, and the of the suspension scaffold Two ends are inserted between second upper flange and second lower wing plate, and the second end passes through bilateral support sliding setting In on second I-steel.
More preferably, the one-way support includes the first bolt, the second bolt, third bolt, the 4th bolt;The suspension scaffold First end include the first top plate, the first bottom plate and the first side plate, first side plate be set to first top plate with it is described Between first bottom plate;The first end of the suspension scaffold further includes the second top plate, the second bottom plate and the second side plate, second side plate It is set between second top plate and second bottom plate;First top plate is fixed on described by first bolt On one upper flange, first bottom plate is fixed on first lower wing plate by second bolt, and second top plate is logical It crosses the third bolt to be fixed on first upper flange, second bottom plate is fixed on described by the 4th bolt On one lower wing plate.
More preferably, the bilateral support includes the first roller group, the second roller group, third roller group and the 4th roller group; It is slideably positioned on described second by first roller group, second roller group respectively between two first side plates Between wing plate and second lower wing plate;Pass through the third roller group, the described 4th respectively between two second side plates Roller group is slideably positioned between second upper flange and second lower wing plate.
More preferably, first roller group includes the first idler wheel and the first roller bearing, and second roller group includes the second rolling Wheel and the second roller bearing, the third roller group include third idler wheel and third roller bearing, and the 4th roller group includes the 4th idler wheel With the 4th roller bearing;First roller bearing is fixed on two first side plates across first idler wheel, first rolling It is close to the bottom of second upper flange in the top of wheel;Second roller bearing passes through second idler wheel and is fixed on two described the Between side plate, the top of second lower wing plate is close in the bottom of second idler wheel;The third roller bearing passes through described the Three idler wheels are fixed between two second side plates, and the bottom of second upper flange is close at the top of the third idler wheel; 4th roller bearing is fixed on two second side plates across the 4th idler wheel, and the bottom of the 4th idler wheel is close to The top of second lower wing plate.
More preferably, the connecting support includes pin shaft, vertical plate, level board, connection bolt;The second end packet of the suspension scaffold Include the first side plate and the second side plate;Two first side plates, two described second side are respectively arranged at the top of the vertical plate The outside of plate, the bottom of the vertical plate are fixed on the level board, and the level board is fixed on institute by the connection bolt It states in pier top, the pin shaft passes through the vertical plate, first side plate, second side plate and is fixed.
More preferably, the connecting support further includes stiffening plate, and the stiffening plate is set to the vertical plate and first side Between plate, second side plate.
It more preferably, further include grid, the grid is set between first I-steel and second I-steel, and Grids top is flushed at the top of first I-steel, second I-steel respectively, and institute is fixed in one end of the grid It states on the first I-steel, the other end of the grid is fixed on second I-steel.
More preferably, one end of the grid is fixedly welded on first I-steel, and the other end is fixedly welded on described On second I-steel;The grid is diamond shape grid.
The beneficial effects of the utility model are:
By setting rolling member and grid, restricted joint angle is realized at I-beam both ends, discharges the longitudinal direction of I-beam one end Constraint, makes the uniform force of pier top, is somebody's turn to do the stress by force between simply supported beam and continuous beam, increases the rigid of the utility model Degree has extensive promotion prospect;
The utility model is half freely supported structure, has the advantages that precast assembly, easy construction save construction period.
Detailed description of the invention
Fig. 1 be scalable half freely-supported of the utility model it is semicontinuous can spliced girder main view;
Fig. 2 be scalable half freely-supported of the utility model it is semicontinuous can spliced girder embodiment one main view;
Fig. 3 be scalable half freely-supported of the utility model it is semicontinuous can spliced girder Fig. 2 A-A sectional view;
Fig. 4 be scalable half freely-supported of the utility model it is semicontinuous can spliced girder Fig. 2 B-B sectional view;
Fig. 5 be scalable half freely-supported of the utility model it is semicontinuous can spliced girder Fig. 2 C-C sectional view.
Wherein:
1- beam body, the first I-steel of 11-, the first upper flange of 111-, the first lower wing plate of 112-, the first web of 113-;12- Two I-steel, the second upper flange of 121-, the second lower wing plate of 122-, the second web of 123-, 2- suspension scaffold, the first top plate of 21-, 22- First bottom plate, the first side plate of 23-, the second top plate of 24-, the second bottom plate of 25-, the second side plate of 26-, 3- pier top, 4- one-way support, The first bolt of 41-, the second bolt of 42-, 43- third bolt, the 4th bolt of 44-, 5- bilateral support, the first roller group of 51-, 511- First idler wheel, the first roller bearing of 512-, the second roller group of 52-, the second idler wheel of 521-, the second roller bearing of 522-, 53- third roller group, 531- third idler wheel 521,532- third roller bearing, the 4th roller group of 54-, the 4th idler wheel of 541-, the 4th roller bearing of 542-, 6- connection branch Seat, 61- pin shaft, 62- vertical plate, 63- level board, 64- connection bolt, 65- stiffening plate, 7- grid.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, the utility model provide a kind of scalable half freely-supported it is semicontinuous can spliced girder, including at least one beam Body 1, suspension scaffold 2, pier top 3, the one-way support 4 for vertically being constrained, the two-way branch for horizontally and vertically being constrained Seat 5;The two neighboring beam body 1 is set on the suspension scaffold by the one-way support 4, the bilateral support 5 respectively, institute It states pier top 3 and is fixed on 2 bottom of suspension scaffold;The one-way support 4, the bilateral support 5 are tension compression bearing.
Scalable half freely-supported it is semicontinuous can spliced girder further include connecting support 6, the connecting support 6 is set to the overhanging Between frame 2 and the pier top 3.
Embodiment one:
As shown in Figure 2-5, beam body 1 is respectively the first I-steel 11, the second I-steel 12;First I-steel 11 includes First upper flange 111, the first lower wing plate 112 and the first web 113;Second I-steel 12 includes the second upper flange 121, the Two lower wing plates 122 and the second web 123;First web 113 is set to first upper flange 111 and first bottom wing Between plate 112;Second web 123 is set between second upper flange 121 and second lower wing plate 122;It is described The first end of suspension scaffold 2 is inserted between first upper flange 111 and first lower wing plate 112, and the first end passes through institute It states one-way support 4 to be fixed on first I-steel 11, the second end of the suspension scaffold 2 is inserted into second upper flange 121 Between second lower wing plate 122, the second end is slideably positioned in second I-steel 12 by the bilateral support 5 On.
One-way support 4 includes the first bolt 41, the second bolt 42, third bolt 43, the 4th bolt 44;The suspension scaffold 2 First end include the first top plate 21, the first bottom plate 22 and the first side plate 23, first side plate 23 be set to it is described first top Between plate 21 and first bottom plate 22;The first end of the suspension scaffold 2 further includes the second top plate 24, the second bottom plate 25 and second Side plate 26, second side plate 26 are set between second top plate 24 and second bottom plate 25;First top plate 21 It is fixed on first upper flange 111 by first bolt 41, first bottom plate 22 passes through second bolt 42 It is fixed on first lower wing plate 112, second top plate 24 is fixed on first upper limb by the third bolt 43 On plate 111, second bottom plate 25 is fixed on first lower wing plate 112 by the 4th bolt 44.
Bilateral support 5 includes the first roller group 51, the second roller group 52, third roller group 53 and the 4th roller group 54;Two Described is slideably positioned in by first roller group 51, second roller group 52 respectively between a first side plate 23 Between two upper flanges 121 and second lower wing plate 122;Pass through the third idler wheel respectively between two second side plates 26 Group 53, the 4th roller group 54 are slideably positioned between second upper flange 121 and second lower wing plate 122.
First roller group 51 includes the first idler wheel 511 and the first roller bearing 512, and second roller group 52 includes the second idler wheel 521 and second roller bearing 522, the third roller group 53 include third idler wheel 531 and third roller bearing 532, the 4th roller group 54 include the 4th idler wheel 541 and the 4th roller bearing 542;First roller bearing 512 passes through first idler wheel 511 and is fixed on two Between first side plate 23, the bottom of second upper flange 121 is close at the top of first idler wheel 511;Described second Roller bearing 522 is fixed on two first side plates 23 across second idler wheel 521, the bottom of second idler wheel 521 It is close to the top of second lower wing plate 122;The third roller bearing 532 passes through the third idler wheel 531 and is fixed on described in two Between second side plate 26, the bottom of second upper flange 121 is close at the top of the third idler wheel 531;4th roller bearing 542 are fixed on two second side plates 26 across the 4th idler wheel 541, and the bottom of the 4th idler wheel 541 is close to The top of second lower wing plate 122.
Connecting support 6 includes pin shaft 61, vertical plate 62, level board 63, connection bolt 64;The second end packet of the suspension scaffold 2 Include the first side plate 23 and the second side plate 26;The top of the vertical plate 62 is respectively arranged at two first side plates, 23, two institutes The outside of the second side plate 26 is stated, the bottom of the vertical plate 62 is fixed on the level board 63, and the level board 63 passes through described Connection bolt 64 is fixed in the pier top 3, and the pin shaft 61 passes through the vertical plate 62, first side plate 23, described second Side plate 26 is fixed.
Connecting support further includes stiffening plate 65, the stiffening plate 65 be set to the vertical plate 62 and first side plate 23, Between second side plate 26.
Scalable half freely-supported it is semicontinuous can spliced girder further include grid 7, the grid 7 is set to first I-steel 11 Between second I-steel 12, and the top with first I-steel 11, second I-steel 12 respectively at the top of grid 7 Portion flushes, and one end of the grid 7 is fixed on first I-steel 11, and the other end of the grid 7 is fixed on described On two I-steel 12.
Further, one end of grid 7 is fixedly welded on first I-steel 11, and the other end is fixedly welded on described On two I-steel 12;The grid 7 is diamond shape grid.
The utility model realizes the purpose of only corner limitation, while improving stress, the spy with simply supported beam in bridge Point;The utility model is that a kind of stress levels off to continuous beam, structure levels off to the device of simply supported beam, the utility model set with The advantages of upper two kinds of beam type.
The beneficial effects of the utility model are:
By setting rolling member and grid, restricted joint angle is realized at I-beam both ends, discharges the longitudinal direction of I-beam one end Constraint, makes the uniform force of pier top, is somebody's turn to do the stress by force between simply supported beam and continuous beam, increases the rigid of the utility model Degree has extensive promotion prospect;
The utility model is half freely supported structure, has the advantages that precast assembly, easy construction save construction period.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.

Claims (10)

1. a kind of scalable half freely-supported is semicontinuous can spliced girder, which is characterized in that including at least one beam body, suspension scaffold, pier top, Bilateral support for horizontally and vertically being constrained, the one-way support for vertically being constrained;
The two neighboring beam body passes through the one-way support respectively, the bilateral support is set on the suspension scaffold, described Pier top is fixed on the suspension scaffold bottom;
The one-way support, the bilateral support are tension compression bearing.
2. scalable half freely-supported according to claim 1 is semicontinuous can spliced girder, which is characterized in that further include connection branch Seat, the connecting support are set between the suspension scaffold and the pier top.
3. scalable half freely-supported according to claim 2 is semicontinuous can spliced girder, which is characterized in that two beam bodies point It Wei not the first I-steel, the second I-steel;First I-steel includes the first upper flange, the first lower wing plate and the first web; Second I-steel includes the second upper flange, the second lower wing plate and the second web;
First web is set between first upper flange and first lower wing plate;Second web is set to institute It states between the second upper flange and second lower wing plate;
The first end of the suspension scaffold is inserted between first upper flange and first lower wing plate, and the first end passes through institute It states one-way support to be fixed on first I-steel, the second end of the suspension scaffold is inserted into second upper flange and described the Between two lower wing plates, the second end is slideably positioned on second I-steel by the bilateral support.
4. scalable half freely-supported according to claim 3 is semicontinuous can spliced girder, which is characterized in that the one-way support packet Include the first bolt, the second bolt, third bolt, the 4th bolt;
The first end of the suspension scaffold includes the first top plate, the first bottom plate and the first side plate, and first side plate is set to described Between first top plate and first bottom plate;The first end of the suspension scaffold further includes the second top plate, the second bottom plate and second side Plate, second side plate are set between second top plate and second bottom plate;
First top plate is fixed on first upper flange by first bolt, and first bottom plate passes through described the Two bolts are fixed on first lower wing plate, and second top plate is fixed on first upper flange by the third bolt On, second bottom plate is fixed on first lower wing plate by the 4th bolt.
5. scalable half freely-supported according to claim 4 is semicontinuous can spliced girder, which is characterized in that the bilateral support packet Include the first roller group, the second roller group, third roller group and the 4th roller group;Pass through institute respectively between two first side plates State the first roller group, second roller group is slideably positioned between second upper flange and second lower wing plate;Two Second upper flange is slideably positioned in by the third roller group, the 4th roller group respectively between second side plate Between second lower wing plate.
6. scalable half freely-supported according to claim 5 is semicontinuous can spliced girder, which is characterized in that first roller group Including the first idler wheel and the first roller bearing, second roller group includes the second idler wheel and the second roller bearing, the third roller group packet Third idler wheel and third roller bearing are included, the 4th roller group includes the 4th idler wheel and the 4th roller bearing;
First roller bearing is fixed on two first side plates across first idler wheel, the top of first idler wheel It is close to the bottom of second upper flange;Second roller bearing pass through second idler wheel be fixed on two first side plates it Between, the top of second lower wing plate is close in the bottom of second idler wheel;The third roller bearing is solid across the third idler wheel Due between two second side plates, the bottom of second upper flange is close at the top of the third idler wheel;Described 4th Roller bearing is fixed on two second side plates across the 4th idler wheel, and the bottom of the 4th idler wheel is close to described second The top of lower wing plate.
7. scalable half freely-supported according to claim 6 is semicontinuous can spliced girder, which is characterized in that the connecting support packet Include pin shaft, vertical plate, level board, connection bolt;
The second end of the suspension scaffold includes the first side plate and the second side plate;
The outside of two first side plates, two second side plates, the vertical plate are respectively arranged at the top of the vertical plate Bottom be fixed on the level board, the level board is fixed in the pier top by the connection bolt, the pin shaft It is fixed across the vertical plate, first side plate, second side plate.
8. scalable half freely-supported according to claim 7 is semicontinuous can spliced girder, which is characterized in that the connecting support is also Including stiffening plate, the stiffening plate is set between the vertical plate and first side plate, second side plate.
9. scalable half freely-supported according to claim 8 is semicontinuous can spliced girder, which is characterized in that it further include grid, institute Grid is stated to be set between first I-steel and second I-steel, and grids top respectively with first I-shaped Flushed at the top of steel, second I-steel, one end of the grid is fixed on first I-steel, the grid it is another One end is fixed on second I-steel.
10. scalable half freely-supported according to claim 9 is semicontinuous can spliced girder, which is characterized in that the one of the grid End is fixedly welded on first I-steel, and the other end is fixedly welded on second I-steel;The grid is diamond shape Grid.
CN201822201973.8U 2018-12-26 2018-12-26 A kind of scalable half freely-supported is semicontinuous can spliced girder Withdrawn - After Issue CN209703272U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853357A (en) * 2018-12-26 2019-06-07 广州地铁设计研究院股份有限公司 A kind of scalable half freely-supported is semicontinuous can spliced girder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853357A (en) * 2018-12-26 2019-06-07 广州地铁设计研究院股份有限公司 A kind of scalable half freely-supported is semicontinuous can spliced girder
CN109853357B (en) * 2018-12-26 2024-07-02 广州地铁设计研究院股份有限公司 Scalable semi-simple support semi-continuous spliced beam

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