CN205785730U - A kind of device of test of shaking for high-fineness ratio bridge member Segment Model wind - Google Patents
A kind of device of test of shaking for high-fineness ratio bridge member Segment Model wind Download PDFInfo
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- CN205785730U CN205785730U CN201620422412.9U CN201620422412U CN205785730U CN 205785730 U CN205785730 U CN 205785730U CN 201620422412 U CN201620422412 U CN 201620422412U CN 205785730 U CN205785730 U CN 205785730U
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Abstract
The utility model discloses the device of a kind of test of shaking for high-fineness ratio bridge member Segment Model wind, including bearing and support body.Bearing includes base and rotating disk, base is square structure, vertical central shaft is installed at the center of base, rotating disk is fitted on central shaft rotate in horizontal plane by bearing holder (housing, cover), the upper surface of rotating disk arranges the scale of the mark anglec of rotation, the base outside central shaft is provided for limit the caging bolt of rotating disk rotational angle；Support body includes outer rim, roller bearing, interior steel ring, suspension element, outer rim is the ring arcuate structure that intrados offers slideway, the extrados of outer rim is arranged on the upper surface of rotating disk by rigid leg, roller bearing arranges several, some roller bearings are uniformly arranged in the slideway of outer rim, interior steel ring is the circular ring structure being arranged in outer rim slideway, and the intrados of interior steel ring arranges four suspension elements.This utility model is rational in infrastructure, easy to operate, it is possible to Adjustment Tests parameter easily, improves test efficiency.
Description
Technical field
This utility model relates to the device of a kind of test of shaking for high-fineness ratio bridge member Segment Model wind.
Background technology
Along with new material and the application of new technique, modern bridge span constantly increases, and the slenderness ratio of the crucial thin portion of some in bridge structure component the most constantly becomes greatly, such as the main push-towing rope of suspension bridge, the drag-line of cable-stayed bridge and the suspension rod etc. of arch bridge.Owing to slenderness ratio is big, light weight and the reason such as damping is little, these components aerodynamic stability under wind effect is poor, is susceptible to multiple nuisance vibration, thus affects the service life of bridge.
Section model test is the Main Means that research high-fineness ratio bridge member wind shakes at present.The wind-induced vibration of high-fineness ratio bridge member is influenced by factors, the inclination angle of such as component, flows the drift angle of wind and flows wind speed etc..In order to various influence factors being carried out Parameter analysis, systematic study genesis mechanism and find suitable wind resistance vibration means, need frequent Adjustment Tests parameter to carry out substantial amounts of section model test.But more existing devices can not adjust these test parameterss easily, greatly have impact on test efficiency.
Utility model content
This utility model technical issues that need to address are to provide a kind of high-fineness ratio bridge member Segment Model wind easy to use, that improve test efficiency and shake assay device.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
The high-fineness ratio bridge member Segment Model wind of parameter easy adjusting number shakes assay device, including bearing and support body.
Described bearing includes base and rotating disk, and base is the square structure being welded by crossbeam and vertical beam；Vertical central shaft is installed at the center of base, and rotating disk is loaded on central shaft by bearing holder (housing, cover) and rotates in horizontal plane；The upper surface of rotating disk arranges the scale of the mark anglec of rotation, the base outside bearing, below rotating disk is provided for limit the caging bolt of rotating disk rotational angle；
Described support body includes outer rim, roller bearing, interior steel ring, suspension element, positioning cylinder, spacing steel pole and bolt.Outer rim is the ring arcuate structure that intrados offers slideway, and the extrados of outer rim is arranged on the upper surface of rotating disk by rigid leg；Roller bearing arranges several, and roller bearing arranges at least 3, and some roller bearings are uniformly arranged in the slideway of outer rim；Interior steel ring is the circular ring structure being arranged in outer rim slideway, and the extrados of interior steel ring is conflicted with roller bearing, and the intrados of interior steel ring arranges four for the suspension element hanging high-fineness ratio bridge member Segment Model.
The bottom of described outer rim arranges the arc opening being conveniently adjusted component model inclination angle, and the central angle that opening is corresponding is 15 °～45 °.
The channel-section steel that described outer rim is processed by two sections of curved arcs is formed by connecting, and the bottom land of channel-section steel is as slideway；Described interior steel ring is formed by connecting by the I-steel after two sections of curved arc processing, and the wing plate of I-steel is oppositely arranged with the bottom of channel-section steel.The bolt for limiting component model inclination angle it is provided with between described outer rim and interior steel ring.
Described rotating disk includes bearing holder (housing, cover), outer toroid, gripper shoe, rigid casing and supporting leg, and bearing holder (housing, cover) is fitted on the bearing of central shaft, and outer toroid is the annulus platy structure coaxial with bearing holder (housing, cover), is connected some uniform gripper shoes between bearing holder (housing, cover) with outer toroid.Described supporting leg is arranged between outer toroid and bearing holder (housing, cover), described rigid casing and the supporting setting of rigid leg.
Extrados two rigid legs of welding of described outer rim bottom, rotating disk is correspondingly arranged two rigid casings, and rigid leg is sleeved in rigid casing.
The extrados on described outer rim top arranges two for connecting external equipment to ensure spacing steel pole and the positioning cylinder of support body perpendicularity.Two spacing steel poles are mutually perpendicular to, and one end is hinged with positioning cylinder, and other end is rigidly connected with external structure.
A length of the 3.0 of described base～3.5m, width is 1.0～1.2m, and the external diameter of outer rim is 3.0～3.5m.
This utility model is using after technique scheme, has an effect of following technological progress:
This utility model arranges base and bears the weight of whole device, portion arranges rotating disk in the base, rotating disk central authorities are provided with scale, under the driving of external force, rotating disk rotates with base center for axle, high-fineness ratio bridge member model and the drift angle flowing between wind can be changed easily, wait to rotate to suitable position, caging bolt defined position can be passed through；The internal steel ring in arc opening position at outer rim applies external force, and interior steel ring can be turned in outer rim inward turning by roller bearing, can change the inclination angle of high-fineness ratio bridge member model easily, waits to rotate to suitable position, can pass through bolt defined position.
Described outer rim is made by channel-section steel, and interior steel ring is made by I-steel, and facility of drawing materials is easy to make.Being arranged above with and the sleeve pipe of rigid leg suit at rotating disk, to facilitate the connection of bearing and support body.Center of turntable is set to the structure that middle part is hollow, alleviates weight, it is simple to operation.Outer rim top arranges positioning cylinder and spacing steel pole, perpendicular to the ground with guarantee test process top support body.
This utility model is rational in infrastructure, easy to operate, it is possible to adjusts easily high-fineness ratio bridge member Segment Model wind and shakes the parameter of test, improves test efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model uses state；
Fig. 2 is that the right side of Fig. 1 regards schematic diagram；
Fig. 3 is A portion enlarged diagram in Fig. 1；
Fig. 4 is B portion enlarged diagram in Fig. 2；
In figure, each label is expressed as: 1, base, and 2, central shaft, 3, caging bolt, 4, rotating disk, 41, bearing holder (housing, cover), 42, outer toroid, 43, gripper shoe, 44, rigid casing, 45, supporting leg, 5, outer rim, 51, rigid leg, 6, interior steel ring, 7, roller bearing, 8, suspension element, 9, positioning cylinder, 10, spacing steel pole, 11, high-fineness ratio bridge member model, 12, bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further details by embodiment:
The device of a kind of test of shaking for high-fineness ratio bridge member Segment Model wind, as shown in Figure 1, Figure 2 with shown in accompanying drawing 3, accompanying drawing 4, mainly includes bearing and support body.
Described bearing includes base 1 and rotating disk 4.Described base 1 is the square structure being welded by crossbeam and vertical beam, and base 1 is fixed with ground, a length of the 3.0 of base 1～3.5m, and width is 1.0～1.2m.Vertical central shaft 2 is installed by the central authorities of base 1, and rotating disk 4 is loaded on central shaft 2 by bearing holder (housing, cover), rotates in horizontal plane.Described rotating disk 4 includes bearing holder (housing, cover) 41, outer toroid 42, gripper shoe 43, rigid casing 44 and supporting leg 45, bearing holder (housing, cover) 41 is arranged on the bearing of central shaft 2, outer toroid 42 is the annular platy structure coaxial with bearing holder (housing, cover) 41, the height of outer toroid 42 is slightly above bearing holder (housing, cover) 41, is connected some gripper shoes 43 obliquely being uniformly distributed along the circumference between bearing holder (housing, cover) 41 with outer toroid 42.The upper surface of rotating disk 4 arranges the scale of the mark anglec of rotation, and is symmetrically welded with two rigid casings 44 for fixing bracket body, and described supporting leg 45 is arranged between outer toroid 42 and bearing holder (housing, cover) 41.On base 1, the outside of central shaft 2 arranges caging bolt 3, for limiting the angle that rotating disk 4 rotates.
Described support body includes outer rim 5, interior steel ring 6, roller bearing 7, suspension element 8, positioning cylinder 9, spacing steel pole 10 and bolt 12.Described outer rim 5 offers the ring arcuate structure of slideway for intrados, and ring arcuate structure is i.e. to have one section of arc opening on existing annulus, its purpose is to be conveniently adjusted bridge member model inclination angle, and it is 15 °～45 ° that outer rim 5 arranges the central angle corresponding to opening.Extrados two rigid legs 51 corresponding with rigid casing 44 of welding of outer rim 5, in rigid leg 51 is sleeved on rigid casing 44 thus be fixed on the upper surface of rotating disk 4, it is achieved support body and the connection of bearing.The top of outer rim 5 extrados arranges two spacing steel poles 10 and positioning cylinder 9, is used for connecting external equipment to ensure support body perpendicularity.Two spacing steel poles 10 are mutually perpendicular to, and spacing steel pole 10 one end is hinged with positioning cylinder 9, and other end is rigidly connected with external structure.
Outer rim 5 is preferably made by the channel-section steel of two sections of bolted curved arc processing, and the bottom land of channel-section steel is as slideway.Described roller bearing 7 arranges several, and some roller bearings 7 are uniformly arranged between the two side of outer rim slideway.Described interior steel ring 6 is the circular ring structure being arranged in outer rim 5 slideway, and the I-steel after interior steel ring 6 is preferably processed by curved arc is made, and two sections are formed by connecting the most again, and the wing plate of I-steel is oppositely arranged with the bottom of channel-section steel.The intrados of interior steel ring 6 arranges four and passes through spring cross structure beam model 11 for the suspension element 8 hanging bridge member model 11, suspension element 8.It is provided with bolt 12, for limiting the inclination angle of bridge member model between described outer rim 5 and interior steel ring 6.
Claims (7)
1. one kind for high-fineness ratio bridge member Segment Model wind shake test device, it is characterised in that: include bearing and support body；
Described bearing includes base (1) and rotating disk (4), and base (1) is the square structure being welded by crossbeam and vertical beam；Vertical central shaft (2) is installed at the center of base (1), and rotating disk (4) is loaded on central shaft (2) by bearing holder (housing, cover) (41) and above and rotates in horizontal plane；The upper surface of rotating disk (4) arranges the scale of the mark anglec of rotation, the base (1) outside bearing, below rotating disk (4) is provided for limit the caging bolt (3) of rotating disk (4) rotational angle；
Described support body includes outer rim (5), roller bearing (7), interior steel ring (6), suspension element (8), positioning cylinder (9), spacing steel pole (10) and bolt (12), described outer rim (5) is the ring arcuate structure that intrados offers slideway, and the extrados of outer rim (5) is arranged on the upper surface of rotating disk (4) by rigid leg (51)；Described roller bearing (7) arranges at least 3, and roller bearing (7) is uniformly arranged in the slideway of outer rim (5)；Interior steel ring (6) is for be arranged on the circular ring structure in outer rim (5) slideway, the extrados of interior steel ring (6) is conflicted with roller bearing (7), and the intrados of interior steel ring (6) arranges four for the suspension element (8) hanging high-fineness ratio bridge member Segment Model (11).
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 1, it is characterized in that: the bottom of described outer rim (5) arranges the arc opening being conveniently adjusted component model inclination angle, and the central angle that this arc opening is corresponding is 15 °～45 °.
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 1, it is characterised in that: the channel-section steel that described outer rim (5) is processed by two sections of curved arcs is formed by connecting, and the bottom land of channel-section steel is as slideway；Described interior steel ring (6) is formed by connecting by the I-steel after two sections of curved arc processing, and the wing plate of described I-steel is oppositely arranged with the bottom of channel-section steel, is provided with the bolt (12) for limiting component model inclination angle between described outer rim (5) and interior steel ring (6).
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 3, it is characterized in that: described rotating disk (4) includes bearing holder (housing, cover) (41), outer toroid (42), gripper shoe (43), rigid casing (44) and supporting leg (45), described bearing holder (housing, cover) (41) is fitted on the bearing of central shaft (2), outer toroid (42) is the annulus platy structure coaxial with bearing holder (housing, cover) (41), some uniform gripper shoes (43) it are connected between bearing holder (housing, cover) (41) with outer toroid (42), described supporting leg (45) is arranged between outer toroid (42) and bearing holder (housing, cover) (41), described rigid casing (44) and rigid leg (51) supporting setting.
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 4, it is characterized in that: extrados two rigid legs (51) of welding of described outer rim (5) bottom, being correspondingly arranged two rigid casings (44) on rotating disk (4), described rigid leg (51) is sleeved in rigid casing (44).
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 5, it is characterised in that: the extrados at described outer rim (5) top arranges positioning cylinder (9) and the two spacing steel poles (10) ensureing support body perpendicularity；Two spacing steel poles (10) are mutually perpendicular to, and one end is hinged with positioning cylinder (9), and other end is rigidly connected with external structure.
The device of test of shaking for high-fineness ratio bridge member Segment Model wind the most according to claim 6, it is characterised in that: a length of the 3.0 of described base～3.5m, width is 1.0～1.2m, and the external diameter of outer rim (5) is 3.0～3.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620422412.9U CN205785730U (en) | 2016-05-11 | 2016-05-11 | A kind of device of test of shaking for high-fineness ratio bridge member Segment Model wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620422412.9U CN205785730U (en) | 2016-05-11 | 2016-05-11 | A kind of device of test of shaking for high-fineness ratio bridge member Segment Model wind |
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| CN205785730U true CN205785730U (en) | 2016-12-07 |
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| CN201620422412.9U Active CN205785730U (en) | 2016-05-11 | 2016-05-11 | A kind of device of test of shaking for high-fineness ratio bridge member Segment Model wind |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588923A (en) * | 2017-07-28 | 2018-01-16 | 大连理工大学 | A kind of large amplitude free torsional vibration flow tunnel testing device |
| CN107607286A (en) * | 2017-08-25 | 2018-01-19 | 大连理工大学 | A kind of bridge model force test in wind tunnel device for being easy to implement different angle of wind deflection and the wind angle of attack combinations |
-
2016
- 2016-05-11 CN CN201620422412.9U patent/CN205785730U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588923A (en) * | 2017-07-28 | 2018-01-16 | 大连理工大学 | A kind of large amplitude free torsional vibration flow tunnel testing device |
| CN107588923B (en) * | 2017-07-28 | 2019-04-09 | 大连理工大学 | A kind of large amplitude free torsional vibration flow tunnel testing device |
| CN107607286A (en) * | 2017-08-25 | 2018-01-19 | 大连理工大学 | A kind of bridge model force test in wind tunnel device for being easy to implement different angle of wind deflection and the wind angle of attack combinations |
| CN107607286B (en) * | 2017-08-25 | 2019-11-05 | 大连理工大学 | A kind of bridge model wind tunnel force measurement device for realizing different windage yaw and the combination of the wind angle of attack |
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