CN206928193U - A kind of Frame Pier swivel bridges for taking into account traffic above-ground - Google Patents
A kind of Frame Pier swivel bridges for taking into account traffic above-ground Download PDFInfo
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- CN206928193U CN206928193U CN201720682629.8U CN201720682629U CN206928193U CN 206928193 U CN206928193 U CN 206928193U CN 201720682629 U CN201720682629 U CN 201720682629U CN 206928193 U CN206928193 U CN 206928193U
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- frame pier
- turntable
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Abstract
It the utility model is related to a kind of Frame Pier swivel bridges for taking into account traffic above-ground, including the Frame Pier at undercrossing tunnel culvert, the Frame Pier cross section is in M shapes, and wall aligns in wall and undercrossing tunnel culvert in Frame Pier, and Frame Pier pier top sets crossbeam platform；Traction swivel mechanism is laid with crossbeam platform；Traction swivel mechanism is provided with swivel beam section.The utility model compares traditional pier bottom or pier top rotor system, turns main pier and is arranged to Frame Pier, similar with existing undercrossing tunnel box culvert profile, and ground track is passed through in Frame Pier, remains the communication function of present situation undercrossing tunnel passage.While the rotor system such as setting turns operating platform on Frame Pier head piece, and steel ball is cut with scissors, top rotary table and trailer system are arranged in framework pier top, top box beam is set to turn in place by drawing swivel mechanism.The utility model only rotates top beam body in swivel, and lower frame pier remains stationary as, it is ensured that surface road passes through.
Description
Technical field
Bridge Design and technical field of construction are the utility model is related to, specifically one kind is protected by setting Frame Pier
Stay the swivel bridge of existing surface road system.
Background technology
With Chinese society and expanding economy, and new round infrastructure construction climax is started, it is necessary to build more
More bridges across existing railway, and swivel bridges are obtained with the advantage such as it is small to existing railway line Influence to operation, security risk is low
Extensive use is arrived.
Swivel bridges are most at present is turned using pier bottom, is also had small part subject to conditions and is turned using pier top.But no matter pier
Bottom or pier top swivel, by swivel tonnage control, turn main pier and typically use solid pier, its scale of construction and floor space generally compared with
Greatly.With the development of modern bridge, especially across the railway line bridge of town road is more and more, but in the city of undercrossing tunnel
The newly-built compound grade separation of overcrossing railway on city's major trunk roads, due to being limited by the traffic of present situation underpass, railway operation and place is retained
The cause influences such as system, cause the setting for turning main pier difficult.It is therefore desirable to work out a kind of new method to realize such bridge
Swivel.
Utility model content
The purpose of this utility model is the compound grade separation for the newly-built overcrossing railway on the major urban arterial highway of undercrossing tunnel,
Both the communication function for retaining present situation undercrossing tunnel passage is needed, needs the situation using rotator construction overcrossing railway again.For reality
A kind of existing this swivel for taking into account traffic above-ground, it is proposed that Frame Pier swivel bridges for taking into account traffic above-ground.
To achieve these goals, the utility model uses following technical scheme：A kind of Frame Pier for taking into account traffic above-ground
Swivel bridges, including：Frame Pier above undercrossing tunnel culvert, the Frame Pier cross section are in M shapes, and Frame Pier Zhong Qiang is with
Wall aligns in rail wear culvert, and Frame Pier pier top sets crossbeam platform；Traction swivel mechanism is laid with crossbeam platform；Traction turns
Body mechanism is provided with swivel beam section.
The traction swivel mechanism includes ball pivot, turntable, prestressed reinforced concrete top rotary table, hauling rope, spike and cunning
Road；Turntable is rotatablely connected by ball pivot and crossbeam platform, is connected with turntable for supporting the deformed bar of swivel beam section to mix
Native top rotary table is coagulated, spike is between turntable and crossbeam platform and spike upper end is embedded in turntable bottom, and installation of slide track is in crossbeam
Table top；Crossbeam platform is provided with traction counter-force seat, and turntable is passed by the hauling rope being arranged in slideway with traction counter-force seat
Dynamic connection；Swivel beam section is arranged on prestressed reinforced concrete top rotary table.Set on the prestressed reinforced concrete top rotary table
There is bridge pad, swivel beam section is connected by bridge pad with prestressed reinforced concrete top rotary table.
When setting Frame Pier, wall is alignd the utility model in wall and undercrossing tunnel culvert in Frame Pier, and Frame Pier is set
Into M shapes, the wing passage of wall two is as ground track in Frame Pier.
The utility model makes beam body swivel in top in place by the steel beam pulled on rotor system, only rotates top during swivel
Beam body, lower frame pier remain stationary as.
Term is explained：
Present situation undercrossing tunnel culvert described in the utility model refers to existing undercrossing tunnel before the utility model swivel bridge construction
Culvert；
Ground track described in the utility model refers to before the utility model swivel bridge construction and undercrossing tunnel culvert connects
Existing ground track；
In frame bridge described in the utility model the wing passage of wall two refer to after the utility model swivel bridge construction in M shape piers wall and
Width between abutment wall is as ground track；
The utility model sets Frame Pier to retain the design and construction method of the swivel bridge of existing surface road system
The advantages of be：
1st, it is both wired using rotator construction Midspan sag, reduce the construction interference to railway, greatly reduce railway
The security risk of top construction.
2nd, solves the contradiction between the main pier of swivel of similar compound grade separation and traffic above-ground；
3rd, in down town built-up areas, influenceed by present situation road, railway and periphery skyscraper, grade separation construction condition ten
Divide limited.Existing path resource can be made full use of using the utility model, realize the logical of increase town road and railway crossing part
Row ability, it can effectively alleviate the traffic congestion of railway junction.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model Frame Pier facade structures schematic diagram.
Fig. 3 is the utility model Frame Pier planar structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is further described.
As shown in Figure 1 to Figure 3, the utility model includes：Frame Pier 2 above undercrossing tunnel culvert, the framework
The cross section of pier 2 is in M shapes, and wall aligns in wall 2.3 and undercrossing tunnel culvert in Frame Pier, and the pier top of Frame Pier 2 sets crossbeam platform
2.4；Traction swivel mechanism is laid with crossbeam platform 2.4；Traction swivel mechanism is provided with swivel beam section 10.
The traction swivel mechanism on ball pivot 3, cylindrical reinforced concrete turntable 6, prestressed reinforced concrete including turning
Disk 7, hauling rope, spike 4 and slideway 5；Ball pivot is fixed on crossbeam deck roof by its angle bar frame being embedded in crossbeam platform
Face, and the cast-in-place cylindrical reinforced concrete turntable 6 above ball pivot, turntable is set to be rotatablely connected by ball pivot and crossbeam platform;Turn
Being reproduced above platform and pour prestressed reinforced concrete top rotary table, spike upper end is embedded in below turntable, and with being arranged on crossbeam platform
The slideway on top reserves 2cm or so spacing；Crossbeam platform 2.4 is provided with traction counter-force seat 9, and turntable 6 is by being arranged in slideway
Hauling rope be connected with traction counter-force seat.Swivel beam section 10 is arranged on top rotary table 7.
The top rotary table 7 is provided with bridge pad 8, and swivel beam section 10 is connected by bridge pad 8 with top rotary table 7.
The utility model retains existing surface road system by setting Frame Pier, including：
1. combining the structure type of present situation undercrossing tunnel culvert 1, Frame Pier 2 is set, ensures the current of present situation roadnet
Function；Wall 2.3 is worn wall in culvert with and alignd in Frame Pier, and ground track is passed through in M shapes Frame Pier 2, and pier top is set can
Bear the crossbeam platform 2.4 of swivel weight and constructing operation；
2. being arranged in Frame Pier pier top platform 2.4 includes the swivel hauling machine of ball pivot 3, top rotary table 7, spike 4, slideway 5 etc.
Structure；
3. bridge pad is set parallel to existing railway line direction, cast-in-place on bridge pad or assembled swivel beam section；
4. beam section will be turned and turn the temporary consolidation of top rotary table 7 of mechanism；
5. the temporary constraint at bridge pad and top rotary table is removed before swivel carries out experiment of weighing, according to result of the test to
It is adjusted again；
6. tensioning hauling rope, top beam body is set to reach design attitude after being turned an angle using the ball pivot centre of sphere as the center of circle；
7. after closure, remove swivel beam section and turn the top rotary table temporary consolidation of mechanism, complete structural system conversion,
Sealing Rotary ball hinge, construction bridges accessory structure, Cheng Qiao.
When setting Frame Pier, wall is alignd the utility model in wall and undercrossing tunnel culvert in Frame Pier, and Frame Pier is set
Into M shapes, the wing passage of wall two is as ground track in Frame Pier.
The utility model makes beam body swivel in top in place by pulling hauling rope, only rotates top beam body, bottom during swivel
Frame Pier remains stationary as.
When the utility model is implemented, the pile foundation 2.1 of pouring construction Frame Pier, cushion cap 2.2, column 2.3, crossbeam platform successively
2.4, middle standing pillar 2.3 aligns with wall in present situation undercrossing tunnel case hole 1；Steel ball hinge 3, the and of spike 4 are installed on crossbeam platform 2.4
Slideway 5, pour traction counter-force seat 9；Pour turntable 6 and top rotary table 7, hauling rope one end is pre-buried in turntable 6, is wound in turntable 6
Several Zhou Houke are pulled to traction counter-force seat 9；Bridge pad 8 is installed；Cast-in-place construction prestressed concrete box girder（Turn beam section）10.
Start traction power equipment during swivel, make prestressed concrete box by pulling hauling rope at traction counter-force seat 9
Beam 10 rotates.
Embodiment：
Certain bridge uses 70+116+70m Prestressed Continuous Box Beam overcrossing railway yards, bridge floor beam overall 32m.Carry out railway both sides
Horizontal swing, the mode of Middle span closing are constructed respectively, and two sideward twisting length are respectively 2-65.75m, 2-47.25m, turn weight
About 17300,14000 tons.It is present situation major urban arterial highway below bridge, using 8+10+10+8m box culvert undercrossing tunnels.
In order to realize the rotator construction of overpass beam, with reference to the structure type of underpass culvert, turn main pier and use 2-
10.5 meters of M shape Frame Piers, Frame Pier Zhong Qiang wear wall in culvert with and alignd, and ground track is passed through in M shape Frame Piers, local pressure
Contracting ground culvert 8m pavement and bicycle lane width, ensure that the width of car lane and line style are smooth.
M shape Frame Pier pier top crossbeams 5m is high, wide 11m, as swivel operating platform, arranges that rotor system and traction are thereon
System.Rotor system includes steel ball hinge, slideway, spike, cylindrical turntable, top rotary table, jack counter-force seat；Trailer system includes leading
Draw steel strand wires, traction counter-force seat, traction steel strand wires end is embedded in turntable in advance.
Cast-in-place construction support is set up parallel to existing railway line, the rotor sections section of cast-in-place construction girder in support top
Section, side tensioning M shape Frame Pier pier top crossbeam prestressed strands.
By rotor sections beam section and the top rotary table temporary consolidation of rotor system, girder cast-in-place support and rotating disk are removed before turning
Locate temporary constraint and carry out experiment of weighing, counterweight is adjusted according to result of the test.
Start trailer system during swivel, drive beam body to be turned an angle using the ball pivot centre of sphere as the center of circle and reach design attitude.
After closure, the top rotary table temporary consolidation of girder and rotor system is removed, completes structural system conversion, sealing turns
Body ball pivot, construction bridges accessory structure, Cheng Qiao.
Claims (3)
- A kind of 1. Frame Pier swivel bridges for taking into account traffic above-ground, it is characterised in that：Including：Frame above undercrossing tunnel culvert Frame pier, the Frame Pier cross section are in M shapes, and wall aligns in wall and undercrossing tunnel culvert in Frame Pier, and Frame Pier pier top sets horizontal Liang Pingtai；Traction swivel mechanism is laid with crossbeam platform；Traction swivel mechanism is provided with swivel beam section.
- 2. the Frame Pier swivel bridges according to claim 1 for taking into account traffic above-ground, it is characterised in that：The traction swivel machine Structure includes ball pivot, turntable, prestressed reinforced concrete top rotary table, hauling rope, spike and slideway；Turntable is put down by ball pivot and crossbeam Platform is rotatablely connected, and the prestressed reinforced concrete top rotary table for supporting swivel beam section is connected with turntable, and spike is located at turntable Between crossbeam platform and spike upper end is embedded in turntable bottom, and installation of slide track is in crossbeam table top；Crossbeam platform is provided with Counter-force seat is drawn, turntable is connected by the hauling rope being arranged in slideway with traction counter-force seat；Swivel beam section is arranged on pre- On stress armored concrete top rotary table.
- 3. the Frame Pier swivel bridges according to claim 2 for taking into account traffic above-ground, it is characterised in that：The deformed bar Concrete top rotary table is provided with bridge pad, and swivel beam section is connected by bridge pad with prestressed reinforced concrete top rotary table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682629.8U CN206928193U (en) | 2017-06-13 | 2017-06-13 | A kind of Frame Pier swivel bridges for taking into account traffic above-ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682629.8U CN206928193U (en) | 2017-06-13 | 2017-06-13 | A kind of Frame Pier swivel bridges for taking into account traffic above-ground |
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| CN206928193U true CN206928193U (en) | 2018-01-26 |
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| CN201720682629.8U Active CN206928193U (en) | 2017-06-13 | 2017-06-13 | A kind of Frame Pier swivel bridges for taking into account traffic above-ground |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119579A (en) * | 2017-06-13 | 2017-09-01 | 中铁武汉勘察设计研究院有限公司 | A kind of Frame Pier swivel bridges and its design and construction method for taking into account traffic above-ground |
| CN108396658A (en) * | 2018-03-12 | 2018-08-14 | 中铁第四勘察设计院集团有限公司 | A kind of wide cable-stayed bridge pier consolidation construction method of pier top rotator construction and system |
-
2017
- 2017-06-13 CN CN201720682629.8U patent/CN206928193U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119579A (en) * | 2017-06-13 | 2017-09-01 | 中铁武汉勘察设计研究院有限公司 | A kind of Frame Pier swivel bridges and its design and construction method for taking into account traffic above-ground |
| CN108396658A (en) * | 2018-03-12 | 2018-08-14 | 中铁第四勘察设计院集团有限公司 | A kind of wide cable-stayed bridge pier consolidation construction method of pier top rotator construction and system |
| CN108396658B (en) * | 2018-03-12 | 2019-09-24 | 中铁第四勘察设计院集团有限公司 | A kind of wide cable-stayed bridge pier consolidation construction method of pier top rotator construction and system |
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Effective date of registration: 20221017 Address after: 430074 building E5, phase IV, optical valley software park, 1 Guanshan Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: China Railway Wuhan survey and Design Institute Co.,Ltd. Address before: Building E5, Optical Valley Software Park, No. 1, Guanshan Avenue, Wuhan, Hubei 430074 Patentee before: CHINA RAILWAY WUHAN SURVEY AND DESIGN & INSTITUTE Co.,Ltd. |