CN207143753U - A kind of auxiliary body of steel box-girder swivel - Google Patents
A kind of auxiliary body of steel box-girder swivel Download PDFInfo
- Publication number
- CN207143753U CN207143753U CN201721174709.9U CN201721174709U CN207143753U CN 207143753 U CN207143753 U CN 207143753U CN 201721174709 U CN201721174709 U CN 201721174709U CN 207143753 U CN207143753 U CN 207143753U
- Authority
- CN
- China
- Prior art keywords
- girder
- steel box
- web member
- truss
- stull
- 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.)
- Expired - Fee Related
Links
Abstract
It the utility model is related to a kind of auxiliary body of steel box-girder swivel,The auxiliary body includes pylon and its suspension cable of both sides,Tower bottom is fixed with steel box-girder upper surface,Suspension cable one end is fixed with pylon,The steel box-girder end face of the other end and side is fixed,Pylon is vertical truss structure,Truss structure includes the stull web member between multiple columns and adjacent upright posts in polygon arrangement,Truss structure is vertically provided with multiple truss elements,A stull web member is comprised at least in each truss element,It is split-type structural between truss element,Bolt connection is carried out between adjacent truss element by ring flange to fix,Diagonal web member is respectively connected between stull web member on steel box-girder horizontal direction and the column for being connected to its both ends,Horizontal brace rod is connected between stull web member positioned at relative position and on steel box-girder horizontal direction,Auxiliary body's bearing capacity is strong,Transport,Installation operation is easy,It is and applied widely.
Description
Technical field
The utility model belongs to bridge technology field, and in particular to a kind of auxiliary body of steel box-girder swivel.
Background technology
With Chinese society and expanding economy, the convenience of traffic have become the serious factor for restricting economic development it
One, although Bridges in Our Country building technology and quantity are in world lead level, the fast lifting of China's economic total volume is led
Logistics capacity, the volume of traffic of cause are presented big data quantity and increased, and the jam of bridge is still more obvious, and bridge construction on-the-spot meeting is tight
Ghost image rings traffic or constructed on the obstacles such as the water surface, therefore the construction method of swivel bridges is pushed away in the prior art
Extensively, the operation exactly in obstacle overhead is converted on the bank or subaerial operation, by turning that steel box-girder is in place after shaping
Construction method.
At present, swivel bridges technology is to set a swivel pier respectively in span line both sides, and steel box-girder turns bridge pier herein
On constructed along the direction of institute's span line, turned to after the completion of construction, most of steel box-girder be related to it is two-way current, it is horizontal
Larger to width, if setting two swivel piers below steel box-girder, a swivel pier corresponding to a set of rotor system and will also be led
Draw system.On the one hand the space-consuming in town road is big for such form of construction work, is unfavorable for traffic, and another aspect cost is high,
It is uneconomical.For the above situation, existing steel box-girder is when turning operation, medium position one swivel pier of setting, on steel box-girder
The swivel servicing unit of one tower-type is set in swivel pier correspondence position, between the swivel servicing unit and steel box-girder both sides
Suspension cable is provided with, but existing pylon is mostly body structure or frame structure, its bearing capacity is significantly insufficient, therefore,
Need to be improved the problem of existing swivel servicing unit being present.
Utility model content
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of auxiliary body of steel box-girder swivel, the auxiliary machine
Structure is significantly improved the bearing capacity of auxiliary body, used suitable for steel box-girder single by the improvement to pylon and suspension cable
The swivel form of pier is turned, steel box-girder caused by auxiliary body's bearing capacity deficiency in the prior art is avoided and is subjected to displacement and becomes
Shape so that steel box-girder remains stable during swivel.
Concrete technical scheme of the present utility model is：
A kind of auxiliary body of steel box-girder swivel, the auxiliary body include pylon and its suspension cable of both sides, pylon bottom
Portion is fixed with steel box-girder upper surface, and suspension cable one end is fixed with pylon, and the steel box-girder end face of the other end and side is fixed, and is closed
Key point is, described pylon is vertical truss structure, and truss structure is included in multiple columns of polygon arrangement and adjacent
Stull web member between column, truss structure are vertically provided with multiple truss elements, in each truss element adjacent upright posts it
Between be at least connected with a stull web member.
Described column and stull web member is tubular structure, and column diameter is not less than 1000mm, and wall thickness is not less than
20mm, stull web member diameter are not less than 400mm, and wall thickness is not less than 10mm.
In described stull web member, stull web member on steel box-girder horizontal direction and be connected to its both ends column it
Between be respectively connected with diagonal web member, be connected between the stull web member positioned at relative position and on the steel box-girder horizontal direction it is horizontal even
Extension bar.
Described diagonal web member and horizontal brace rod is tubular structure, and diagonal web member diameter is not less than 400mm, and wall thickness is not small
In 10mm, horizontal connection shank diameter is not less than 300mm, and wall thickness is not less than 10mm.
It is split-type structural in described truss structure, between truss element, the column both ends in truss element are set respectively
Ring flange is equipped with, deep floor is provided between ring flange and column outer wall, is entered between adjacent truss element by ring flange
Row bolt connection is fixed；Fixed between the truss element and steel box-girder of bottom for bolt connection.
In described truss structure, the column positioned at the truss element at top is tubular structure, and the column is along steel case
Beam longitudinal centre line is divided into two groups for boundary, and pre-buried conduit is symmetrically arranged with two groups of columns, and pre-buried conduit is tilted through vertical
Post, incline direction is identical with the suspension cable direction of corresponding side, and suspension cable upper end is through pre-buried conduit and is fixed thereon end；
In the truss element at the top, back cover plate is provided with inside column below pre-buried conduit, back cover plate upper space is cast with
Concrete.
Described suspension cable uses epoxy coating steel wire.
Described steel box-girder upper surface is provided with the lifting lug mechanism for fixing suspension cable, lifting lug mechanism include ring flange and
The hanger at end is fixed thereon, is fixed between ring flange and steel box-girder upper surface for bolt connection.
The beneficial effects of the utility model are：The auxiliary body that the utility model is used when being turned to steel box-girder changes
Enter, wherein pylon uses truss structure, and compared to existing box-type pylon, load-carrying properties are more preferable, be not susceptible to deformation or
Local damage, the truss structure of pylon are arranged to the form of multigroup truss element composite assembly, realize modularization, the list of pylon
Memberization, it is easy to load and unload, transport and lift, the Site Welding construction greatly reduced, and case structure of the prior art, it is impossible to
Prefabricated, versatility is bad, and box house will also ensure bearing strength by welding the stiffener plate of bulk, in the utility model
Truss structure formula pylon it is simply many compared to prior art, when significantly shortening installation, the dismounting construction of auxiliary body
Between, additionally it is possible to truss element quantity be selected according to Specific construction situation, so that the tower height after assembly meets to apply
Work is needed, and applicability is obviously improved；
It is fixed between each truss element using the bolt connection form of ring flange, compared to monoblock type pylon, method
Blue disk link position serves booster action, and the resistance to overturning of pylon is higher；Also method is used between tower bottom and steel box-girder
The bolt connection form of blue disk, compared to the form being welded and fixed, is installed in place first, facilitating, second, will not be made because of welding
It is small to steel box-girder mother metal performance impact into heat affected area；
The pre-buried conduit and concrete set in top truss unit, the entire compression intensity of column is improved, so as to
To use smaller caliber, smaller wall thickness, reducing rolled steel dosage, back cover plate avoids the way of elongated concrete perfusion,
Reduce concrete amount and alleviate head tower deadweight.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of auxiliary body and steel box-girder in the utility model.
Fig. 2 is the structural representation of truss element in Fig. 1.
Fig. 3 is Fig. 1 left view.
Fig. 4 is the structural representation of top truss unit in the utility model.
In accompanying drawing, 1, suspension cable, 2, steel box-girder, 3, column, 4, stull web member, 5, truss element, 6, diagonal web member, 7, horizontal
Connecting rod, 8, pre-buried conduit, 9, hanger, 10, back cover plate, 11, concrete.
Embodiment
It the utility model is related to a kind of auxiliary body of steel box-girder swivel, the auxiliary body includes pylon and its both sides
Suspension cable 1, tower bottom are fixed with the upper surface of steel box-girder 2, and the one end of suspension cable 1 is fixed with pylon, the other end and side
The end face of steel box-girder 2 is fixed, and described pylon is vertical truss structure, and truss structure includes multiple columns in polygon arrangement
Stull web member 4 between 3 and adjacent upright posts 3, truss structure are vertically provided with multiple truss elements 5, each truss element 5
A stull web member 4 has been at least connected between middle adjacent upright posts 3.
Specific embodiment, as shown in Figures 1 to 4, in truss structure, column 3 is four of distribution in rectangular configuration, truss
Be split-type structural between unit 5, the both ends of column 3 in truss element 5 are respectively arranged with ring flange, ring flange with outside column 3
Deep floor is provided between wall, carrying out bolt connection by ring flange between adjacent truss element 5 fixes；Positioned at bottom
Fixed between truss element 5 and steel box-girder 2 for bolt connection, four columns 3 are divided to for two groups, and two groups of columns 3 are symmetrically fixedly connected
There is suspension cable 1, two groups of suspension cables 1 are thus formd in pylon both sides, every group includes two suspension cables 1, the upper end of steel box-girder 2
Face is provided with the lifting lug mechanism for fixing suspension cable 1, and lifting lug mechanism includes ring flange and is fixed thereon the hanger 9 at end, method
Fixed between the blue upper surface of disk and steel box-girder 2 for bolt connection, the lower end of suspension cable 1 is fixedly connected with hanger 9, and suspension cable 1 uses
Epoxy coating steel wire.
In each truss element 5, column 3 of the stull web member 4 with being connected to its both ends on the horizontal direction of steel box-girder 2
Between be respectively connected with diagonal web member 6, tie point is located at the middle part of stull web member 4, be provided with diagonal web member 6 two stull web members 4 it
Between be connected with horizontal brace rod 7, tie point is similarly positioned in the middle part of stull web member 4；
Column 3, stull web member 4, diagonal web member 6, horizontal brace rod 7 are tubular structure and use seamless steel pipe material,
In described truss structure, in addition to the truss element 5 at top, in other all truss elements 5,3 a diameter of 1200mm of column,
Wall thickness is 24mm, stull web member 4 and diagonal web member 6 a diameter of 426mm, wall thickness 12mm, 7 a diameter of 325mm of horizontal brace rod, wall
Thickness is 12mm.
In the truss element 5 at top, column 3 is also tubular structure, and the column 3 is along the longitudinal center of steel box-girder 2
Line is divided into two groups for boundary, and pre-buried conduit 8 is symmetrically arranged with two groups of columns 3, and pre-buried conduit 8, which tilts, runs through column 3, tilts
Direction is identical with the direction of suspension cable 1 of corresponding side, and the upper end of suspension cable 1 is through pre-buried conduit 8 and is fixed thereon end, column
Back cover plate 10 is provided with inside 3 below pre-buried conduit 8, the upper space of back cover plate 10 is cast with concrete 11, and pre-buried conduit 8 is same
Sample uses seamless steel pipe material, and in the truss element at top, column 3 a diameter of 1200mm, wall thickness 24mm, stull web member 4 is straight
Footpath is 560mm, wall thickness 16mm, 6 a diameter of 426mm of diagonal web member, wall thickness 12mm, is also set up between stull web member 4 and column 3
Have deep floor, pre-buried conduit 8 and the concrete perfusion in column 3 be set in the truss element 5 at top, suspension cable 1 by
Power is transferred on pre-buried conduit 8, and pulling force is converted into the pressure of column 3 by pre-buried conduit 8, and the column 3 that concrete 11 is filled can
Entire compression intensity is improved, so as to use smaller caliber, smaller wall thickness, reduces the dosage of steel, back cover plate 10
The space size that concrete 11 can be controlled to pour into a mould, weight caused by avoiding elongated concrete perfusion 11 increases, while also reduces
The dosage of concrete 11.
Claims (8)
1. a kind of auxiliary body of steel box-girder swivel, the auxiliary body includes pylon and its suspension cable (1) of both sides, pylon bottom
Portion is fixed with steel box-girder (2) upper surface, and suspension cable (1) one end is fixed with pylon, steel box-girder (2) end of the other end and side
Face is fixed, it is characterised in that：Described pylon is vertical truss structure, and truss structure is included in the multiple vertical of polygon arrangement
Stull web member (4) between post (3) and adjacent upright posts (3), truss structure are vertically provided with multiple truss elements (5), often
A stull web member (4) has been at least connected with individual truss element (5) between adjacent upright posts (3).
A kind of 2. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described column (3)
It is tubular structure with stull web member (4), column (3) diameter is not less than 1000mm, and wall thickness is not less than 20mm, stull web member
(4) diameter is not less than 400mm, and wall thickness is not less than 10mm.
A kind of 3. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described stull web member
(4) in, it is respectively connected between stull web member (4) on steel box-girder (2) horizontal direction and the column (3) for being connected to its both ends
Diagonal web member (6), be connected between the stull web member (4) positioned at relative position and on steel box-girder (2) horizontal direction it is horizontal even
Extension bar (7).
A kind of 4. auxiliary body of steel box-girder swivel according to claim 3, it is characterised in that：Described diagonal web member
(6) and horizontal brace rod (7) is tubular structure, and diagonal web member (6) diameter is not less than 400mm, and wall thickness is not less than 10mm, horizontal
Connecting rod (7) diameter is not less than 300mm, and wall thickness is not less than 10mm.
A kind of 5. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described truss structure
In, it is split-type structural between truss element (5), column (3) both ends in truss element (5) are respectively arranged with ring flange, method
It is provided with deep floor between blue disk and column (3) outer wall, bolt company is carried out by ring flange between adjacent truss element (5)
Connect fixation；Fixed between the truss element (5) and steel box-girder (2) of bottom for bolt connection.
A kind of 6. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described truss structure
In, the column (3) positioned at the truss element (5) at top is tubular structure, and the column (3) is along steel box-girder (2) longitudinal center
Line is divided into two groups for boundary, and pre-buried conduit (8) is symmetrically arranged with two groups of columns (3), and pre-buried conduit (8), which tilts, runs through column
(3), incline direction is identical with suspension cable (1) direction of corresponding side, and suspension cable (1) upper end is through pre-buried conduit (8) and consolidates
Due to its upper end；In the truss element (5) at the top, column (3) is internal to be provided with back cover plate below pre-buried conduit (8)
(10), back cover plate (10) upper space is cast with concrete (11).
A kind of 7. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described suspension cable
(1) epoxy coating steel wire is used.
A kind of 8. auxiliary body of steel box-girder swivel according to claim 1, it is characterised in that：Described steel box-girder
(2) upper surface is provided with the lifting lug mechanism for fixing suspension cable (1), and lifting lug mechanism includes ring flange and is fixed thereon end
Hanger (9), fixed between ring flange and steel box-girder (2) upper surface for bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174709.9U CN207143753U (en) | 2017-09-14 | 2017-09-14 | A kind of auxiliary body of steel box-girder swivel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174709.9U CN207143753U (en) | 2017-09-14 | 2017-09-14 | A kind of auxiliary body of steel box-girder swivel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143753U true CN207143753U (en) | 2018-03-27 |
Family
ID=61667353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721174709.9U Expired - Fee Related CN207143753U (en) | 2017-09-14 | 2017-09-14 | A kind of auxiliary body of steel box-girder swivel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207143753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468742A (en) * | 2019-08-20 | 2019-11-19 | 中铁武汉勘察设计研究院有限公司 | A kind of swivel method that interim guy system is set |
-
2017
- 2017-09-14 CN CN201721174709.9U patent/CN207143753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468742A (en) * | 2019-08-20 | 2019-11-19 | 中铁武汉勘察设计研究院有限公司 | A kind of swivel method that interim guy system is set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105568853B (en) | Wide-span reinforced concrete flitch-trussed beam side position is traversing, the construction method of the beam that falls | |
| CN105113389A (en) | Assembled type bridge pier column member with steel-concrete composite structure | |
| CN106012864B (en) | A kind of method of the overall erection ＆ lift of bridge arch rib | |
| CN202899016U (en) | Arched steel truss bridge with slide rails | |
| CN102286938B (en) | Diagonal tension system reinforcement structure suitable for large-span box girder bridge and continuous rigid frame bridge | |
| CN203904851U (en) | Continuous beam side span straight section hanger support system | |
| CN103255726A (en) | Construction method for continuous beam and arch combination bridge | |
| CN113957793A (en) | Construction method for prefabricating box girder support in complex urban environment | |
| CN103866696A (en) | Cast-in-situ support of long-cantilever zero segment of short-pylon cable-stayed bridge | |
| CN110593114A (en) | Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket | |
| CN206538672U (en) | Novel fabricated truss steel trestle | |
| CN207143753U (en) | A kind of auxiliary body of steel box-girder swivel | |
| CN112144413B (en) | Whole-span in-situ splicing and erecting method for steel-concrete composite beam in mountainous area | |
| CN103469735B (en) | The mounting method of curve ultrahigh hollow column plate type pier top solid section template | |
| CN211815595U (en) | Lower tower column tension and compression structure for cable tower | |
| CN109930469B (en) | Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail | |
| CN210066504U (en) | Large-span cantilever truss type bent cap support system | |
| CN202202267U (en) | Cable-stayed system reinforcement structure suitable for large-span box girder bridges and continuous rigid frame bridges | |
| CN209584813U (en) | Frame bridge system | |
| CN211473320U (en) | Tool type external hanging rack for corridor | |
| CN204401464U (en) | A kind of construction of cast-in-place box girders construction bracket system | |
| CN105603878B (en) | A kind of quick method for traversing in concrete box girder high-altitude | |
| CN209584868U (en) | A kind of sunpender underneath type Bridge Erector box beam | |
| CN206581682U (en) | A kind of interim transition structure in jacking framed bridge steel column for contacting net basis | |
| CN104074390A (en) | 750kV transformer substation steel pipe concrete framework |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20200914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |