CN107338720A - Board-like suspension rod wind resistance guiding device - Google Patents

Board-like suspension rod wind resistance guiding device Download PDF

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Publication number
CN107338720A
CN107338720A CN201710540150.5A CN201710540150A CN107338720A CN 107338720 A CN107338720 A CN 107338720A CN 201710540150 A CN201710540150 A CN 201710540150A CN 107338720 A CN107338720 A CN 107338720A
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CN
China
Prior art keywords
board
suspension rod
deflector
wind resistance
limbs
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.)
Granted
Application number
CN201710540150.5A
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Chinese (zh)
Other versions
CN107338720B (en
Inventor
王应良
周帅
曾永平
徐昕宇
苏延文
陶奇
郑晓龙
杨国静
董俊
庞林
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China Railway Eryuan Engineering Group Co Ltd CREEC
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China Railway Eryuan Engineering Group Co Ltd CREEC
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Priority to CN201710540150.5A priority Critical patent/CN107338720B/en
Publication of CN107338720A publication Critical patent/CN107338720A/en
Application granted granted Critical
Publication of CN107338720B publication Critical patent/CN107338720B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D4/00—Arch-type bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)

Abstract

Board-like suspension rod wind resistance guiding device, to be effectively improved the aerodynamic configuration of board-like suspension rod, its wind resistance is improved, gives full play to the advantage of rigid hanger.Including board-like suspension rod, board-like suspension rod has four limbs to interlock on cross section in cross, the board-like suspension rod is provided with deflector outside four limbs, each deflector by board-like length of boom direction spaced connecting elements be fixedly mounted on corresponding on limbs.Deflector plate face is straight, and extends along the length direction of board-like suspension rod.

Description

Board-like suspension rod wind resistance guiding device
Technical field
The present invention relates to bridge, more particularly to a kind of board-like suspension rod wind resistance guiding device.
Background technology
Rigid hanger and flexible hoist cable are two kinds of conventional structure types of middle half/through arch bridge suspender.Rigid hanger generally with Structural steel is material, using rectangle, H-shaped, circle, solid board-like uiform section form.Then generally use is high-strength parallel for flexible hoist cable Steel wire or steel hinge line are generally circular as structural material, profile.The high tensile steel wire material yield used due to flexible hoist cable Intensity is far above the structural steel that rigid hanger uses, therefore rigid hanger sectional area is substantially high under identical design axle power effect In the sectional area of flexible hoist cable, so that the Fatigue Stress Amplitude of rigid hanger is significantly lower than flexible hoist cable.Further, since flexibility is hung Rustling sound body generally as PE sheaths inside, belong to concealed work, daily anti-corrosion check it is difficult, therefore, during arch bridge military service, Flexible hoist cable needs to regularly replace, and on the one hand generates higher operation maintenance expense, on the other hand, because flexible hoist cable is changed During need close traffic, usually come at larger social influence.And master of the service life of rigid hanger generally with full-bridge It is consistent to want supporting member, is not required to change during use, therefore, has larger use advantage.
Rigid hanger has the advantage for being not required to change in use, but because the wind resistance of rigid hanger is poor, At this stage, using not universal in middle lower bearing arch bridge.For example, 2006, China southeastern coast main span 300m Fo Shandong Flat bridge H suspension rods just generate significantly twisting vibration under wind effect and result in more boom heel fractures, cause tight The Socie-economic loss of weight；The square-section suspension rod of main span 336m Beijing-Shanghai express railway Nanjing Foundations of Dashengguan Changjiang River Bridge is although take The aerodynamic configuration design measure of surrounding corner cut, still there occurs significantly wind-induced vibration after real bridge crane bar installation, finally adopt Improve its wind resistance with mechanical damping measure.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of board-like suspension rod wind resistance guiding device, board-like to be effectively improved The aerodynamic configuration of suspension rod, its wind resistance is improved, give full play to the advantage of rigid hanger.
The technical solution adopted for the present invention to solve the technical problems is as follows：
The board-like suspension rod wind resistance guiding device of the present invention, including board-like suspension rod, it is in ten that board-like suspension rod, which has on cross section, Four limbs that font interlocks, it is characterized in that：The board-like suspension rod is provided with deflector outside four limbs, and each deflector leads to The spaced connecting elements on board-like length of boom direction is crossed to be fixedly mounted on corresponding limbs；Deflector plate face is put down Directly, and along the length direction of board-like suspension rod extend.
The invention has the advantages that improving the aerodynamic configuration of board-like suspension rod, its wind resistance is improved, gives full play to rigidity The advantage of suspension rod；Guiding device is connected with board-like suspension rod by pin plate, and regular maintenance expense is low, does not bring significant cost to increase Add.
Brief description of the drawings
This specification includes the following accompanying drawing of width two：
Fig. 1 is the front view (part) of the board-like suspension rod wind resistance guiding device of the present invention；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Component and corresponding mark are shown in figure：Board-like suspension rod 10, deflector 11, intermediate plate 12.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Reference picture 1, board-like suspension rod have on cross section in cross interlock four limbs, in being mainly used under hold Among formula arch bridge, mainly arranged in upright plane, connect arch rib and bridge deck, bridge deck load is delivered to arch rib.Ginseng According to Fig. 1 and Fig. 2, the board-like suspension rod 10 is provided with deflector 11 outside four limbs, and each deflector 11 board-like by hanging Spaced connecting elements is fixedly mounted on corresponding limbs on the length direction of bar 10.The plate face of deflector 11 is straight, and edge The length direction extension of board-like suspension rod 10.The setting of deflector 11 can be effectively improved the aerodynamic configuration of board-like suspension rod 10, improve it Wind resistance, give full play to the advantage of rigid hanger.
Generally, the length of deflector 11 and the equal length of board-like suspension rod 10.
Reference picture 2, the connecting elements are the C-shaped intermediate plate 12 in cross section, and the axle portion of intermediate plate 12 passes through bolt and water conservancy diversion Plate 11 is detachably connected, and the opening portion of intermediate plate 12 is detachably connected by bolt and limbs.
Setting and the mounting means of deflector 11 are further illustrated with an engineering example below.
Reference picture 2, board-like suspension rod 10 are cross solid section form, and overall dimension is 300 × 300mm, along section four The strip deflector 11 that four sectional dimensions are 100mm × 10mm, the longitudinal length and plate of deflector 11 are arranged outside individual limbs Formula suspension rod 10 is identical, and the vertical clearance between any deflector 11 and corresponding limbs is 50mm.
It is connected between deflector 11 and board-like suspension rod 10 by the intermediate plate 12 of longitudinal spaced set, between adjacent clips 12 Longitudinal pitch be 1000mm, it is ensured that 10 stable are connected between deflector 11 and board-like suspension rod.Intermediate plate 12 is by for thickness 4mm, width Degree 40mm strip steel disc bending forms, and be C-shaped cross section, and clear distance is identical with correspondence limbs thickness of slab between opening portion.
Some principles of the present invention board-like suspension rod wind resistance guiding device described above that simply explains through diagrams, be not intended to by Shown in the present invention is confined to and in described concrete structure and the scope of application, thus every corresponding modification for being possible to be utilized with And equivalent, belong to the apllied the scope of the claims of the present invention.

Claims (3)

1. board-like suspension rod wind resistance guiding device, including board-like suspension rod (10), it is in cross that board-like suspension rod (10), which has on cross section, Four limbs that shape is interlocked, it is characterized in that：The board-like suspension rod (10) is provided with deflector (11) outside four limbs, respectively leads Flowing plate (11) by board-like suspension rod (10) length direction spaced connecting elements be fixedly mounted on corresponding on limbs； Deflector (11) plate face is straight, and extends along the length direction of board-like suspension rod (10).
2. board-like suspension rod wind resistance guiding device as claimed in claim 1, it is characterized in that：Deflector (11) length with it is board-like The equal length of suspension rod (10).
3. board-like suspension rod wind resistance guiding device as claimed in claim 1, it is characterized in that：The connecting elements is that cross section is in C The intermediate plate (12) of shape, the axle portion of intermediate plate (12) are detachably connected by bolt and deflector (11), and the opening portion of intermediate plate (12) leads to Bolt is crossed to be detachably connected with limbs.
CN201710540150.5A 2017-07-05 2017-07-05 Plate-type suspender wind-resistant flow guiding device Active CN107338720B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710540150.5A CN107338720B (en) 2017-07-05 2017-07-05 Plate-type suspender wind-resistant flow guiding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710540150.5A CN107338720B (en) 2017-07-05 2017-07-05 Plate-type suspender wind-resistant flow guiding device

Publications (2)

Publication Number Publication Date
CN107338720A true CN107338720A (en) 2017-11-10
CN107338720B CN107338720B (en) 2023-05-16

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Family Applications (1)

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CN201710540150.5A Active CN107338720B (en) 2017-07-05 2017-07-05 Plate-type suspender wind-resistant flow guiding device

Country Status (1)

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CN (1) CN107338720B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518587A (en) * 2019-01-22 2019-03-26 中铁二院工程集团有限责任公司 A kind of board-like sunpender inhibiting Vortex-excited vibration
CN112681106A (en) * 2020-12-29 2021-04-20 中铁二院工程集团有限责任公司 Pneumatic structure for inhibiting wind-induced vibration of steel arch bridge

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CN106758816A (en) * 2017-01-18 2017-05-31 核工业西南勘察设计研究院有限公司 Board-like vibration damping suspension rod
CN106835934A (en) * 2017-02-22 2017-06-13 中铁二院工程集团有限责任公司 A kind of real web-type rigid hanger and installation method
CN106835946A (en) * 2017-01-18 2017-06-13 核工业西南勘察设计研究院有限公司 A kind of wind resistance damping device and pillar shock-absorbing suspension rod
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518587A (en) * 2019-01-22 2019-03-26 中铁二院工程集团有限责任公司 A kind of board-like sunpender inhibiting Vortex-excited vibration
CN109518587B (en) * 2019-01-22 2023-09-29 中铁二院工程集团有限责任公司 Plate-type suspender for inhibiting vortex-induced resonance
CN112681106A (en) * 2020-12-29 2021-04-20 中铁二院工程集团有限责任公司 Pneumatic structure for inhibiting wind-induced vibration of steel arch bridge

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