CN108677698B - Shock attenuation large-rotation-angle spherical steel support - Google Patents
Shock attenuation large-rotation-angle spherical steel support Download PDFInfo
- Publication number
- CN108677698B CN108677698B CN201810698065.6A CN201810698065A CN108677698B CN 108677698 B CN108677698 B CN 108677698B CN 201810698065 A CN201810698065 A CN 201810698065A CN 108677698 B CN108677698 B CN 108677698B
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- Prior art keywords
- spherical
- base
- spherical crown
- sliding
- ball core
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 230000035939 shock Effects 0.000 title claims description 8
- 238000013016 damping Methods 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000009191 jumping Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
Abstract
The invention discloses a shock-absorbing large-rotation-angle spherical steel support, which comprises a box body, a base, a spherical core and an upper seat plate, wherein the base is arranged in the box body and can slide in the box body, the spherical core is of a double-spherical-crown structure with an upper convex spherical crown surface on the upper surface and a lower convex spherical crown surface on the lower surface, the bottom of the spherical core is in sliding fit connection with the spherical crown surface of the base, and the top of the spherical core is in sliding fit connection with the spherical crown surface of the upper seat plate. According to the invention, the base and the upper seat plate achieve the purpose of mutual sliding through the spherical cores with spherical crown surfaces on the upper surface and the lower surface, and can meet the use requirement of a large corner; the periphery of the ball core is also connected with the base through a tension spring, so that the ball core can prevent the ball core from jumping and slipping in the rotating process; the base can also slide in the box body, and the buffer spring achieves the buffer effect, so that the impact force of the base on the box body under the condition of stress is reduced, and the use requirement of the spherical steel support for all-direction movement is met; the upper seat board is also provided with a damping spring to achieve the damping effect.
Description
[ field of technology ]
The invention relates to the technical field of bridge supports, in particular to a shock-absorbing large-rotation-angle spherical steel support.
[ background Art ]
The bridge support is an important structural component for connecting the upper structure and the lower structure of the bridge, and is a device which is erected on a pier and supports the upper structure of the bridge on the top surface. The function is to fix the superstructure to the abutment, withstand the various forces acting on the superstructure and transfer it reliably to the abutment; under the actions of load, temperature, concrete shrinkage and creep, the support can adapt to the rotation angle and displacement of the upper structure, so that the upper structure can be freely deformed without generating additional internal force.
The spherical support is a novel bridge support developed on the basis of the basin-type rubber support, has consistent rotation performance in all directions and is suitable for the requirement of large rotation angle. But the shock resistance of the current spherical support is lower, and the angle of the corner caused by the adoption of the hemispherical core cannot meet the use requirement of a larger corner. In order to solve the above problems, it is necessary to provide a shock-absorbing large-rotation-angle spherical steel support.
[ invention ]
The invention aims to overcome the defects of the prior art, and provides a shock-absorbing large-rotation-angle spherical steel support, which aims to solve the technical problems that the shock resistance of the spherical support in the prior art is low, and the angle of rotation angle cannot meet the use requirement of larger rotation angle due to the adoption of a hemispherical core.
In order to achieve the above purpose, the invention provides a shock-absorbing large-rotation angle spherical steel support, which comprises a box body, a base, a spherical core and an upper seat plate, wherein the base is arranged in the box body and can slide in the box body, the spherical core is of a double spherical crown structure with an upper convex spherical crown surface on the upper surface and a lower convex spherical crown surface on the lower surface, the bottom of the spherical core is in sliding fit connection with the spherical crown surface of the base, and the top of the spherical core is in sliding fit connection with the spherical crown surface of the upper seat plate.
Preferably, a sliding cavity for sliding the base is formed in the box body, a plane tetrafluoro plate is arranged on the bottom surface of the sliding cavity, the bottom of the base is a sliding seat, a plane stainless steel plate is arranged on the bottom surface of the sliding seat, the base can slide in the sliding cavity of the box body through sliding fit of the plane stainless steel plate and the plane tetrafluoro plate, and a circle of limiting flange for limiting the sliding seat is arranged at the top end of the sliding cavity.
Preferably, the box evenly is provided with a plurality of groups of buffer springs along the inner wall at the inner periphery of sliding chamber, and a plurality of groups of buffer springs are the annular array along the sliding chamber and distribute, and every group of buffer springs is flexible along the radial direction of sliding chamber, and the distribution circle internal diameter of a plurality of groups of buffer springs is greater than the external diameter of sliding seat.
Preferably, the box body is further provided with pressure sensors at the outer ends of the buffer springs of each group, and each pressure sensor is provided with a signal transmission line extending to the outside.
Preferably, the outer periphery of the box body is provided with a circle of lower connecting flanges, and a plurality of lower connecting holes are distributed on the lower connecting flanges in an annular array.
Preferably, the upper surface of the ball core is provided with an upper convex spherical tetrafluoro plate, the lower surface of the ball core is provided with a lower convex spherical tetrafluoro plate, the upper end of the base is provided with a lower concave spherical crown surface sliding groove, the lower concave spherical crown surface sliding groove is provided with a first spherical stainless steel plate, the bottom of the upper seat plate is provided with an upper concave spherical crown surface sliding groove, the upper concave spherical crown surface sliding groove is provided with a second spherical stainless steel plate, and the ball core is in sliding connection with the base through sliding fit of the lower convex spherical tetrafluoro plate and the first spherical stainless steel plate.
Preferably, the periphery of the ball core is also connected with the upper end of the base through a plurality of tension springs, the tension springs are distributed on the periphery of the ball core in a ring-shaped array, and two ends of each tension spring are respectively and movably connected with the ball core and the base.
Preferably, the top of the upper seat plate is provided with a plurality of columnar cavities distributed in an annular array with the center of the seat plate as the center of a circle, and each columnar cavity is internally provided with a damping spring.
Preferably, the upper end face of the upper seat plate is a plane, a circle of upper connecting plates are arranged on the upper seat plate, and a plurality of upper connecting holes are distributed on the upper connecting plates in an annular array.
The invention has the beneficial effects that: compared with the prior art, the shock-absorbing large-rotation-angle spherical steel support is reasonable in structure, the base and the upper seat plate achieve the purpose of sliding each other through the spherical cores with the spherical crown surfaces on the upper surface and the lower surface, and the use requirement of large rotation angles can be met; the periphery of the ball core is also connected with the base through a plurality of tension springs, so that the problem of jumping and slipping of the ball core in the rotating process is solved; the base can also slide in the box body, and the buffer spring achieves the buffer effect, so that the impact force of the base on the box body under the condition of stress is reduced, and the use requirement of the spherical steel support for all-direction movement is met; the upper seat board is also provided with a damping spring to achieve the damping effect.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a shock-absorbing large-angle spherical steel support according to an embodiment of the invention.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1, the embodiment of the invention provides a shock-absorbing large-rotation-angle spherical steel support, which comprises a box body 1, a base 2, a spherical core 3 and an upper seat plate 4, wherein the base 2 is arranged in the box body 1 and can slide in the box body 1, the spherical core 3 is of a double spherical crown structure with an upper convex spherical crown surface and a lower convex spherical crown surface, the bottom of the spherical core 3 is in sliding fit connection with the spherical crown surface of the base 2, and the top of the spherical core 3 is in sliding fit connection with the spherical crown surface of the upper seat plate 4.
Further, the box 1 in be provided with and supply the gliding sliding chamber 11 of base 2, the bottom surface in sliding chamber 11 on be provided with plane tetrafluoro plate 12, the bottom of base 2 be sliding seat 21, the bottom surface of sliding seat 21 on be provided with plane corrosion resistant plate 22, base 2 through plane corrosion resistant plate 22 and plane tetrafluoro plate 12 sliding fit can slide in the sliding chamber 11 of box 1, box 1 be provided with round in the top of sliding chamber 11 and be used for spacing limit flange 13 to sliding seat 21.
Wherein, the box body 1 is uniformly provided with a plurality of groups of buffer springs 5 along the inner wall at the inner periphery of the sliding cavity 11, the plurality of groups of buffer springs 5 are distributed in a ring array along the sliding cavity 11, each group of buffer springs 5 stretches along the radial direction of the sliding cavity 11, and the inner diameter of the distribution circle of the plurality of groups of buffer springs 5 is larger than the outer diameter of the sliding seat 21; the outer periphery of the box body 1 is provided with a circle of lower connecting flanges 14, and a plurality of lower connecting holes 15 are distributed on the lower connecting flanges 14 in an annular array
Preferably, the box 1 is further provided with pressure sensors 6 at the outer ends of each group of buffer springs 5, and each pressure sensor 6 is provided with a signal transmission line extending to the outside. The pressure sensor 6 can be connected with a testing system through a signal transmission line to monitor the stress condition of the box body 1 in all directions so as to know the problem of the bridge in time.
In the embodiment of the invention, the limit flange 13 is integrally connected with the box body 1 in a welding mode after the base 2 is arranged, and the buffer spring 5 and the pressure sensor 6 are arranged before welding.
Further, the upper surface of the ball core 3 is provided with an upper convex spherical tetrafluoro plate 31, the lower surface is provided with a lower convex spherical tetrafluoro plate 32, the upper end of the base 2 is provided with a lower concave spherical crown surface chute 23, the lower concave spherical crown surface chute 23 is provided with a first spherical stainless steel plate 24, the bottom of the upper seat plate 4 is provided with an upper concave spherical crown surface chute 41, the upper concave spherical crown surface chute 41 is provided with a second spherical stainless steel plate 42, the ball core 3 is in sliding connection with the base 2 through sliding fit of the lower convex spherical tetrafluoro plate 32 and the first spherical stainless steel plate 24, and is in sliding connection with the upper seat plate 4 through sliding fit of the upper convex spherical tetrafluoro plate 31 and the second spherical stainless steel plate 42.
Further, the periphery of the ball core 3 is also connected with the upper end of the base 2 through a plurality of tension springs 7, the tension springs 7 are distributed on the periphery of the ball core 3 in a ring-shaped array, and two ends of each tension spring 7 are respectively and movably connected with the ball core 3 and the base 2.
Furthermore, a plurality of cylindrical cavities 43 distributed in an annular array with the center of the upper seat plate 4 as the center of the circle are arranged at the top of the upper seat plate 4, a damping spring 8 is arranged in each cylindrical cavity 43, the upper end surface of the upper seat plate 4 is a plane, a circle of connecting plates 44 are arranged on the upper seat plate 4, and a plurality of upper connecting holes 45 are distributed in an annular array on the upper connecting plates 44.
The working process of the invention comprises the following steps:
in the working process of the shock-absorbing large-angle spherical steel support, the box body 1 is connected with the abutment through the fastener, the upper seat board 4 is connected with the bridge through the fastener, the base 2 and the upper seat board 4 achieve the purpose of sliding each other through the spherical cores 3 with spherical crown surfaces on the upper surface and the lower surface, and the use requirement of large angles can be met; the periphery of the ball core 3 is also connected with the base 2 through a plurality of tension springs 7, so that the ball core 3 can prevent the ball core from jumping and slipping in the rotating process; the base 2 can also slide in the box body 1, and the buffer effect is achieved by the buffer spring 5, so that the impact force of the base 2 on the box body 1 under the condition of stress is reduced, and the use requirement of the spherical steel support for all-direction movement is met; the upper seat board 4 is also provided with a damping spring 8 to achieve the damping effect.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (4)
1. A shock attenuation large-rotation angle ball-shaped steel support, its characterized in that: including box (1), base (2), ball core (3) and upper saddle (4), base (2) set up in box (1) to can slide in box (1), ball core (3) be upper surface for protruding spherical crown face, lower surface for protruding spherical crown face's two spherical crown face structures down, the bottom of ball core (3) be spherical crown face sliding fit connection with base (2), the top of ball core (3) be spherical crown face sliding fit connection with upper saddle (4), box (1) in be provided with in the bottom surface that supplies base (2) to slide chamber (11), the bottom of slide chamber (11) on be provided with plane tetrafluoro plate (12), the bottom of base (2) be sliding seat (21), the bottom surface of sliding seat (21) on be provided with plane stainless steel plate (22), base (2) through plane stainless steel plate (22) and plane tetrafluoro plate (12) sliding fit can be in box (1) in a plurality of internal walls (11) of box (1) and be provided with a plurality of flanges (11) in order to set up in the box (1) at the end of the time of the buffer chamber (13), the buffer springs (5) of a plurality of groups are distributed in an annular array along the sliding cavity (11), each buffer spring (5) of a plurality of groups stretches out and draws back along the radial direction of the sliding cavity (11), the inner diameter of a distribution circle of each buffer spring (5) of a plurality of groups is larger than the outer diameter of the sliding seat (21), the outer end of each buffer spring (5) of the box (1) is provided with a pressure sensor (6), each pressure sensor (6) is provided with a signal transmission line which extends to the outside, the upper surface of the ball core (3) is provided with an upper convex spherical tetrafluoro plate (31), the lower surface of the ball core is provided with a lower convex spherical tetrafluoro plate (32), the upper end of the base (2) is provided with a lower concave spherical crown surface sliding groove (23), the lower concave spherical crown surface sliding groove (23) is provided with a first spherical stainless steel plate (24), the bottom of the upper concave spherical crown surface sliding groove (4) is provided with an upper concave spherical crown surface sliding groove (41), the upper concave spherical crown surface sliding groove (41) is provided with a second spherical stainless steel plate (42), the lower spherical surface (3) is in sliding fit with the fourth spherical surface (32) through the upper spherical surface tetrafluoro plate (32) and the sliding seat (2), the periphery of the ball core (3) is also connected with the upper end of the base (2) through a plurality of tension springs (7), the tension springs (7) are distributed on the periphery of the ball core (3) in a ring-shaped array, and two ends of each tension spring (7) are respectively and movably connected with the ball core (3) and the base (2).
2. A shock absorbing large angle ball-type steel support according to claim 1, wherein: the box body (1) is provided with a circle of lower connecting flange (14) at the periphery, and a plurality of lower connecting holes (15) are distributed on the lower connecting flange (14) in an annular array.
3. A shock absorbing large angle ball-type steel support according to claim 1, wherein: the top of the upper seat board (4) is provided with a plurality of columnar cavities (43) distributed in an annular array with the center of the upper seat board (4) as the circle center, and each columnar cavity (43) is internally provided with a damping spring (8).
4. A shock absorbing large angle ball-type steel support according to claim 1, wherein: the upper end face of the upper seat board (4) is a plane, a circle of upper connecting plates (44) are arranged on the upper seat board (4), and a plurality of upper connecting holes (45) are distributed on the upper connecting plates (44) in a ring-shaped array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810698065.6A CN108677698B (en) | 2018-06-29 | 2018-06-29 | Shock attenuation large-rotation-angle spherical steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810698065.6A CN108677698B (en) | 2018-06-29 | 2018-06-29 | Shock attenuation large-rotation-angle spherical steel support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108677698A CN108677698A (en) | 2018-10-19 |
| CN108677698B true CN108677698B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810698065.6A Active CN108677698B (en) | 2018-06-29 | 2018-06-29 | Shock attenuation large-rotation-angle spherical steel support |
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| CN (1) | CN108677698B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629778A (en) * | 2019-02-02 | 2019-04-16 | 河南绿建建筑科技有限公司 | Light shock-proof steel concrete modular stairway |
| CN109653456A (en) * | 2019-02-02 | 2019-04-19 | 河南绿建建筑科技有限公司 | Spherical hinge supporting steel concrete modular stairway |
| CN112342897B (en) * | 2020-10-30 | 2022-04-08 | 重庆交通大学 | Bridge pier antidumping structure |
| CN112627018B (en) * | 2020-12-06 | 2022-08-05 | 衡水宏力工程橡胶有限公司 | Engineering steel support for hydraulic engineering construction |
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| CN106906737A (en) * | 2017-04-18 | 2017-06-30 | 西南交通大学 | A kind of bridge earthquake resistance bridle iron |
| CN207159793U (en) * | 2017-08-31 | 2018-03-30 | 吕建根 | A kind of Bridge Seismic structure |
| CN208440977U (en) * | 2018-06-29 | 2019-01-29 | 浙江秦山橡胶工程股份有限公司 | A kind of damping big corner ball shaped steel bearing |
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2018
- 2018-06-29 CN CN201810698065.6A patent/CN108677698B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003093585A1 (en) * | 2002-04-28 | 2003-11-13 | Liping Jiang | An seismic isolator |
| CN201459597U (en) * | 2009-07-29 | 2010-05-12 | 衡水橡胶股份有限公司 | Quakeproof damping spherical steel support capable of realizing type conversion |
| CN201835225U (en) * | 2010-09-26 | 2011-05-18 | 莱芜钢铁集团有限公司 | Universal spherical seismic isolation support with longitudinal and transverse optional displacements |
| CN203475300U (en) * | 2013-09-30 | 2014-03-12 | 衡水宝力工程橡胶有限公司 | Equal-spherical-surface friction pendulum seismic mitigation and absorption support |
| CN204475154U (en) * | 2015-02-06 | 2015-07-15 | 衡水中交信德工程橡塑有限公司 | Bearing capacity is adjustable bridge vibration absorption and isolation support |
| CN204875500U (en) * | 2015-08-11 | 2015-12-16 | 洛阳双瑞特种装备有限公司 | Subtract isolation bearing with displacement locking device |
| CN206173794U (en) * | 2016-11-17 | 2017-05-17 | 衡水市橡胶总厂有限公司 | Totally enclosed hyperboloid spherical support |
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