CN206625120U - A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge - Google Patents
A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge Download PDFInfo
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- CN206625120U CN206625120U CN201720190007.3U CN201720190007U CN206625120U CN 206625120 U CN206625120 U CN 206625120U CN 201720190007 U CN201720190007 U CN 201720190007U CN 206625120 U CN206625120 U CN 206625120U
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- beam body
- temporary locking
- plate
- box girder
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Abstract
Bridge construction technical field of structures is the utility model is related to, in particular to a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge.Including pier stud, beam body and king-post；Beam body is steel box girder；King-post is vertically fixed on pier stud through its lower end of beam body, and the direction across bridge both sides that king-post is located at the tower body below beam body are provided with crossbeam；Multigroup temporary locking device is provided between crossbeam and beam body, temporary locking device includes the steel base being anchored on beam body bottom plate and the interim pinner for being fixed on crossbeam upper surface；Steel base is fixedly connected by tension structure in the vertical direction with interim pinner, and the anti-horizontal sliding structure for making both be not less than 0.45 to the coefficient of friction in direction in direction across bridge direction and suitable bridge is provided between the upper surface of the lower surface of steel base and interim pinner.The utility model is simple in construction, easy for construction, and parts are few, and mounting structure is simple, strong adaptability, has great promotional value.
Description
Technical field
Bridge construction technical field of structures is the utility model is related to, in particular to a kind of half floating system steel box girder stayed-cable bridge
Tower beam temporary locking structure.
Background technology
Conventional Tower Column of A Cable Stayed Bridge beam temporary fixed construction controls vertical displacement, longitudinal drag-line control using vertical prestressing
Length travel processed, horizontal wind-resistant support control lateral displacement, its construct and calculate it is more complicated, it is pre-buried on built-in fitting and beam on tower
Part is more, and construction operation space is also substantially reduced.
The content of the invention
The purpose of this utility model seeks to solve the existing tower beam temporary locking structure that above-mentioned background technology is mentioned to deposit
Built-in fitting is excessive, complicated, construction operation space is small the problem of, there is provided a kind of tower of half floating system steel box girder stayed-cable bridge
Beam temporary locking structure.
The technical solution of the utility model is：A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge,
Including pier stud, beam body and king-post；Described beam body is steel box girder；Described king-post vertically passes through its lower end of beam body
It is fixed on pier stud, the direction across bridge both sides that king-post is located at the tower body below beam body are provided with crossbeam；Described crossbeam and beam body it
Between be provided with multigroup temporary locking device, it is characterised in that：Described temporary locking device includes being anchored on beam body bottom plate
Steel base and the interim pinner for being fixed on crossbeam upper surface；Described steel base is by tension structure in the vertical direction and temporarily
Pinner is fixedly connected, and being provided between the upper surface of the lower surface of steel base and interim pinner makes both in direction across bridge direction and suitable
Bridge is not less than 0.45 anti-horizontal sliding structure to the coefficient of friction in direction.
Further described steel base is hollow body structure, including is anchored at by fastening bolt on beam body bottom plate
Upper backup pad and the lower supporting plate above interim pinner, by polylith along between direction across bridge direction between upper and lower supporting plate
It is fixedly connected every the riser of arrangement.
Further described anti-horizontal sliding structure includes the steel plate being embedded on interim pinner upper surface；Described steel
Plate upper surface contacts with the lower surface of lower supporting plate, and having between steel plate and lower supporting plate makes both coefficient of friction be not less than 0.45
Rubbing surface.
Further described tension structure includes prestressed strand；Described prestressed strand upper end is anchored at lower support
On the upper surface of plate, its lower end is vertically anchored on the lower surface of crossbeam through crossbeam.
Further described lower supporting plate upper surface is provided with extruding anchor；Described extruding anchor includes being fixed on lower support
Support on plate and the anchor plate for being fixed on pedestal upper end；Described prestressed strand upper end is vertically consolidated through anchor plate
It is scheduled on the upper surface of anchor plate.
At least two groups of extruding anchors are provided with further every group of temporary locking device, two adjacent groups extruding anchor is with beam body
It is symmetrically arranged in along centered on the diaphragm plate of direction across bridge arrangement in steel base.
The both sides of the diaphragm plate of further described beam body interior edge direction across bridge arrangement are provided with the floor to play a supportive role；
Described floor lower end is fixed on the upper surface of beam body bottom plate.
The advantages of the utility model, has：1st, the utility model is simple in construction, and beam body and crossbeam are realized by prestressed strand
Between vertical locking, lock mode is simply adjustable, operation it is extremely convenient；
2nd, the utility model realizes the Horizontal lock between beam body and crossbeam by the frictional force between lower supporting plate and steel plate
It is fixed, and the coefficient of friction between lower supporting plate and steel plate is adjustable, can be by increasing the coefficient of friction between steel plate and supporting plate
Adapt to different latch-up structures, strong adaptability；
3rd, the utility model is simple in construction, easy for construction, and parts are few, and mounting structure is simple, strong adaptability, has very big
Promotional value.
Brief description of the drawings
Fig. 1：Structural representation of the present utility model；
Fig. 2：A-A views in Fig. 1 of the present utility model；
Fig. 3：The attachment structure enlarged diagram of steel base of the present utility model and interim pinner；
Wherein：1-pier stud；2-beam body；3-king-post；4-crossbeam；5-interim pinner；6-bottom plate；7-upper backup pad；
8-lower supporting plate；9-riser；10-prestressed strand；11-support；12-anchor plate；13-diaphragm plate；14-floor；
15-steel plate.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1~3, the bridge of the present embodiment is half stayed-cable bridge floated, including beam body 2, beam body 2 are steel box-girder knot
Structure, the lower section of beam body 2 are provided with pier stud 1, and the upper end of pier stud 1 is provided with king-post 3, and king-post 3 vertically passes through beam body 2, king-post 3
Suitable bridge above beam body 2 is provided with suspension cable to both sides, and beam body 2 is supported by the anchor connection of suspension cable and beam body 2.
The lower end of king-post 3 is fixed on pier stud 1, and the tower body direction across bridge both sides that king-post 3 is located at the lower section of beam body 2 are provided with crossbeam
4, the crossbeam 4 of the present embodiment is the box-beam structure of armored concrete, for supporting beam body 2.
Wherein, temporary locking device is provided between beam body 2 and crossbeam, as shown in figures 2-3, the interim lock of the present embodiment
Determine the device steel base for including being anchored on beam body bottom plate 6 and the interim pinner 5 for being fixed on the upper surface of crossbeam 4, steel base passes through
Tension structure in the vertical direction is fixedly connected with interim pinner 5, between the upper surface of the lower surface of steel base and interim pinner 5
It is provided with the anti-horizontal sliding structure for making both be not less than 0.45 to the coefficient of friction in direction in direction across bridge direction and suitable bridge.
The steel base of the present embodiment is rigid force transferring structure, as shown in figure 3, being hollow body structure, including is passed through
Fastening bolt is anchored at the upper backup pad 7 on beam body bottom plate 6 and the lower supporting plate 8 above interim pinner 5, upper and lower support
It is fixedly connected between plate by polylith along the spaced apart riser 9 in direction across bridge direction.Steel base is used to connect beam body 2 and crossbeam 4,
Vertical locking is realized to beam body 2 and crossbeam 4 by tension structure.
Tension structure includes prestressed strand 10, and the upper end of prestressed strand 10 is anchored on the upper surface of lower supporting plate 8, its
Lower end is vertically anchored on the lower surface of crossbeam 4 through crossbeam 4.The upper surface of lower supporting plate 8 of the present embodiment is provided with
Extruding anchor, extruding anchor include the support 11 being fixed on lower supporting plate 8 and the anchor plate 12 for being fixed on the upper end of support 11, prestressing force
The upper end of steel beam 10 is vertically fixed on the upper surface of anchor plate 12 through anchor plate 12., can be by thousand during actual use
Jin top is used cooperatively with extruding anchor, and prestressed strand 10 is realized and is tensioned.
In order to ensure the stability of power conduction, the present embodiment is provided with multigroup locking dress between beam body 2 and crossbeam 4
Put, multigroup locking device is along direction across bridge direction arranged for interval, wherein being provided with least two groups of extruding in every group of temporary locking device
Anchor, it is symmetrically arranged in steel base centered on the diaphragm plate 13 that two adjacent groups extruding anchor is arranged by beam body interior edge direction across bridge.Beam body 2
The both sides of the diaphragm plate 13 of interior edge direction across bridge arrangement are provided with the floor 14 to play a supportive role, and the lower end of floor 14 is fixed on beam body bottom
The upper surface of plate 6.
Tension structure is accomplished that the vertical locking between beam body 2 and crossbeam 4, for the transverse direction between beam body 2 and pier stud 4
Horizontal lock --- including along bridge to locking and direction across bridge locking, the present embodiment by steel base and interim pinner 5 it
Between set anti-horizontal sliding structure to realize the locking of horizontal direction, as shown in figure 3, anti-horizontal sliding structure include being embedded in it is interim
Steel plate 15 on the upper surface of pinner 5, the upper surface of steel plate 15 contact with the lower surface of lower supporting plate 8, steel plate 15 and lower supporting plate 8 it
Between have make both coefficient of friction be not less than 0.45 rubbing surface.
During actual installation, interim pinner 5 is embedded in the upper surface of crossbeam 4, and the upper surface of interim pinner 5 is embedded with steel plate
15, steel base is anchored on beam body bottom plate 6 by fastening bolt, extruding anchor is set in steel base, passes through prestressed strand
10 pass through extruding anchor, interim pinner 5 and crossbeam 4, and tensioning prestressed strand 10 compresses lower supporting plate 8 and steel plate 15, prestressing force
Steel beam 10 realizes the vertical locking between beam body 2 and crossbeam 4, compresses between the lower supporting plate 8 and steel plate 15 to fit together
Frictional force realizes the locking of the horizontal direction between beam body 2 and crossbeam 4.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from
There are various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (7)
1. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge, including pier stud (1), beam body (2) and king-post
(3)；Described beam body (2) is steel box girder；Described king-post (3) is vertically fixed on through beam body (2) its lower end
On pier stud (1), the direction across bridge both sides that king-post (3) is located at the tower body below beam body (2) are provided with crossbeam (4)；Described crossbeam (4)
Multigroup temporary locking device is provided between beam body (2), it is characterised in that：Described temporary locking device includes being anchored at beam
Steel base on body bottom plate (6) and the interim pinner (5) for being fixed on crossbeam (4) upper surface；Described steel base passes through tensioning knot
Structure in the vertical direction is fixedly connected with interim pinner (5), is set between the upper surface of the lower surface of steel base and interim pinner (5)
It is equipped with the anti-horizontal sliding structure for making both be not less than 0.45 to the coefficient of friction in direction in direction across bridge direction and suitable bridge.
2. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 1, its feature exist
In：Described steel base is hollow body structure, including is anchored at the upper backup pad on beam body bottom plate (6) by fastening bolt
(7) lower supporting plate (8) and above interim pinner (5), by polylith along direction across bridge direction interval between upper and lower supporting plate
The riser (9) of arrangement is fixedly connected.
3. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 2, its feature exist
In：Described anti-horizontal sliding structure includes the steel plate (15) being embedded on interim pinner (5) upper surface；Described steel plate (15)
Upper surface contacts with the lower surface of lower supporting plate (8), and having between steel plate (15) and lower supporting plate (8) makes both in direction across bridge side
To the rubbing surface for being not less than 0.45 to the coefficient of friction in direction with suitable bridge.
4. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 2, its feature exist
In：Described tension structure includes prestressed strand (10)；Described prestressed strand (10) upper end is anchored at lower supporting plate (8)
Upper surface on, its lower end is vertically anchored on the lower surface of crossbeam (4) through crossbeam (4).
5. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 4, its feature exist
In：Described lower supporting plate (8) upper surface is provided with extruding anchor；Described extruding anchor includes being fixed on lower supporting plate (8)
Support (11) and the anchor plate (12) for being fixed on support (11) upper end；Described prestressed strand (10) upper end is vertically
It is fixed on through anchor plate (12) on the upper surface of anchor plate (12).
6. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 5, its feature exist
In：At least two groups of extruding anchors are provided with every group of temporary locking device, two adjacent groups extruding anchor is arranged with beam body interior edge direction across bridge
Diaphragm plate (13) centered on be symmetrically arranged in steel base.
7. a kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge as claimed in claim 6, its feature exist
In：The both sides of the diaphragm plate (13) of described beam body (2) interior edge direction across bridge arrangement are provided with the floor (14) to play a supportive role；Institute
Floor (14) lower end stated is fixed on the upper surface of beam body bottom plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190007.3U CN206625120U (en) | 2017-03-01 | 2017-03-01 | A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190007.3U CN206625120U (en) | 2017-03-01 | 2017-03-01 | A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206625120U true CN206625120U (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720190007.3U Active CN206625120U (en) | 2017-03-01 | 2017-03-01 | A kind of tower beam temporary locking structure of half floating system steel box girder stayed-cable bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695637A (en) * | 2020-12-24 | 2021-04-23 | 云南交投公路建设第二工程有限公司 | Tower beam temporary consolidation supporting structure easy to unload quickly and manufacturing and construction process |
-
2017
- 2017-03-01 CN CN201720190007.3U patent/CN206625120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695637A (en) * | 2020-12-24 | 2021-04-23 | 云南交投公路建设第二工程有限公司 | Tower beam temporary consolidation supporting structure easy to unload quickly and manufacturing and construction process |
| CN112695637B (en) * | 2020-12-24 | 2022-11-29 | 云南交投公路建设第二工程有限公司 | Tower beam temporary consolidation supporting structure easy to unload quickly and manufacturing and construction process |
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