CN202688867U - E-type steel damping energy-dissipating ball type steel bridge support - Google Patents

E-type steel damping energy-dissipating ball type steel bridge support Download PDF

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Publication number
CN202688867U
CN202688867U CN 201220418050 CN201220418050U CN202688867U CN 202688867 U CN202688867 U CN 202688867U CN 201220418050 CN201220418050 CN 201220418050 CN 201220418050 U CN201220418050 U CN 201220418050U CN 202688867 U CN202688867 U CN 202688867U
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damping
bridge
shaped steel
type steel
bearing
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CN 201220418050
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刘军
郭红锋
李文斌
张小峰
陈彦北
宁响亮
曾国军
宋春华
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Abstract

The utility model discloses an E-type steel damping energy-dissipating ball type steel bridge support comprising a ball type steel bridge support body and E-type steel damping elements used for damping and dissipating energy. Each E-type steel damping element comprises two arc sections arranged in parallel, wherein the opening directions of the two arc sections are the same, one ends of the two arc sections intersect to form an integral structure, the other ends of the two arc sections and the intersecting end form three feet of each E-type steel damping element, and installation holes are respectively arranged in the three feet. The support body comprises an upper anchoring element, an upper base plate, a piston, a spherical cap liner plate, a bottom basin, a lower base plate and a lower anchoring element. A sliding face, a guide rail and a guide rail groove are arranged on the support body along the damping direction, and the support can slide along the guide rail groove. The E-type steel damping energy-dissipating ball type steel bridge support can be divided into two types, namely a one-way damping type and a two-way damping type. The newly developed E-type steel damping elements serve as damping and energy dissipating elements, so the E-type steel damping energy-dissipating ball type steel bridge support is compact in structure and applied to bridge quake-resistance, can effectively lower quake reaction of a bridge, and takes the lead in damping and energy dissipating effect among similar products.

Description

A kind of ε shaped steel damping dissipation energy ball-type Steel Bridge bearing
Technical field
The utility model belongs to the bridge construction field of engineering technology, relates to a kind of bridge construction parts, relates to specifically a kind of ε shaped steel damping dissipation energy ball-type Steel Bridge bearing.
Background technology
When earthquake occurs, the easiest destruction of suffering earthquake of bridge, and the bad rear blocking-up traffic of bridge shake, and then cause more serious secondary disaster.Therefore the shock resistance minimizing earthquake damage that improves bridge is significant.
The shock resistance that improves bridge mainly contains two kinds of methods: the one, and the shock resistance of enhancing bridge self structure is as increasing the structural strength of pier and beam; The method cost is higher and to be used in the super-huge continuous beam bridge effect limited.The 2nd, reduce the seismic energy input of bridge, namely improve the anti-seismic performance of bridge by damper.Seismic energy is mainly by bridge pad input bridge superstructure, but the common bearings such as domestic widely used rubber pot bearing, ball shaped steel bearing can only transmit power at present, can not reduce seismic energy input, can not improve the anti-seismic performance of bridge.
The utility model content
Technical problem to be solved in the utility model is that a kind of ε shaped steel damping dissipation energy ball-type Steel Bridge bearing that can reduce seismic energy input, improve anti-seismic performance of beam bridge is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: described ε shaped steel damping dissipation energy ball-type Steel Bridge bearing comprises that the ball-type Steel Bridge props up seat body and is used for the ε shaped steel damping element of damping dissipation energy.Described ε shaped steel damping element comprises and being arranged side by side and two segmental arcs that opening direction is consistent, one end of two segmental arcs intersects as integral type structure, the other end and intersects three pin that end forms ε shaped steel damping element, be equipped with installing hole on three pin, described ε shaped steel damping element symmetry is installed in the both sides of a seat body.
Described ε shaped steel damping element is the damping dissipation energy element of bearing, determines the damping dissipation energy performance of bearing; The effect of the conventional bridge pad of bearing main body.ε shaped steel damping element is a kind of good elastoplasticity steel damping dissipation energy element of up-to-date research and development, it mainly is the elastic-plastic deformation of utilizing steel, and provide larger elastic stiffness in the elastic deformation stage, in the plastic period earthquake energy, it is large to have elastic stage rigidity, the characteristic that plastic stage rigidity is little.ε shaped steel damping element has stable hysteretic characteristic, full hysteresis loop, the characteristics such as impact that good week end fatigue behaviour, performance are not subjected to variation of ambient temperature.The seismic energy that when earthquake, consumes, decays and transmit by the plastic strain of element hysteresis, thus reach the purpose of damping.
Pin in the middle of the ε shaped steel damping element is installed on the otic placode of piston in the seat body or end basin by bearing pin, and the pin on both sides is installed on the otic placode of upper base plate or lower seat board by bearing pin.ε shaped steel damping element symmetry is installed in the both sides of bearing, and the ε shaped steel damping element of same damping direction is identical.
Prop up seat body and comprise anchoring piece, upper base plate, piston, spherical crown liner plate, end basin, lower seat board and lower anchoring piece, upper base plate links to each other with bridge top beam body by upper anchoring piece, and lower seat board links to each other with bridge pier by lower anchoring piece.Upper base plate is provided with to connect the installation otic placode of ε shaped steel damping element both sides pin, and end basin or piston are provided with to connect the installation otic placode of ε shaped steel crura intermedium, and the lower seat board of bidirectional damper bearing also is provided with to connect the installation otic placode of ε shaped steel both sides pin.Seat body is provided with slide plane and guide rail, guide-track groove in the damping direction, and upper and lower two parts of bearing can slide along guide-track groove.
ε shaped steel damping element links to each other with a seat body by bearing pin, and in order not affect the damping distortion of ε shaped steel damping element, the hole that the bearing pin of ε shaped steel damping element and bearing pin pass all wants coating lubricating oil fat to reduce friction.
The utility model divides two types on unidirectional damping type, bidirectional damper type.Described unidirectional damping type only is provided with ε shaped steel damping element in a direction, and described bearing can only a direction energy dissipating antidetonation, be suitable for use in the railroad bridge.Described seat body comprises anchoring piece, upper base plate, piston, spherical crown liner plate, end basin and lower anchoring piece, upper base plate links to each other with bridge top beam body by upper anchoring piece, piston and spherical crown liner plate are installed between upper base plate and the end basin, end basin links to each other with bridge pier by lower anchoring piece, is equipped with the installation otic placode on upper base plate and the piston; Described ε shaped steel damping element symmetry is installed in the vertical bridge of a seat body to both sides, and middle pin is installed in by bearing pin on the installation otic placode of piston, and the pin on both sides is installed on the installation otic placode of upper base plate by bearing pin; Described piston is provided with longitudinal rail, and upper base plate is provided with guide-track groove, is provided with the longitudinal sliding motion pair between upper base plate and the piston, and upper and lower two parts of described bearing can be along the guide-track groove longitudinal sliding motion.
The bidirectional damper type, can at vertical bridge to, direction across bridge both direction antidetonation, be suitable for use in highway, the municipal bridge to all being provided with ε shaped steel damping element with direction across bridge at vertical bridge.Described seat body comprises anchoring piece, upper base plate, piston, spherical crown liner plate, end basin, lower seat board and lower anchoring piece, upper base plate links to each other with bridge top beam body by upper anchoring piece, piston and spherical crown liner plate are installed between upper base plate and the end basin, lower seat board is positioned at below the end basin, lower seat board links to each other with bridge pier by lower anchoring piece, is equipped with the installation otic placode on upper base plate, piston, lower seat board and the end basin; Described ε shaped steel damping element symmetry is installed in the vertical bridge of a seat body to both sides and direction across bridge both sides, and pin and the middle pin on the former both sides are installed in respectively on the installation otic placode of upper base plate and piston by bearing pin; The pin on latter both sides and middle pin are installed in respectively on the installation otic placode of lower seat board and end basin by bearing pin.Described piston is provided with longitudinal rail, upper base plate is provided with guide-track groove, be provided with the longitudinal sliding motion pair between upper base plate and the piston, basin of the described end is provided with cross slide way, lower seat board is provided with guide-track groove, be provided with horizontal sliding pair between end basin and the lower seat board, upper and lower two parts of described bearing can vertically and/or laterally slide along guide-track groove.
Described upper anchoring piece and lower anchoring piece are preferably gone up grappling rod iron and lower grappling rod iron.
Operating principle of the present utility model: during normal operation, the utility model provides all functions of ball-type Steel Bridge bearing, such as vertical carrying and rotation, ε shaped steel damping element is born the conventional levels load of bearing damping direction, this moment, ε shaped steel damping element was in elastic stage, and larger elastic stiffness is provided; During earthquake, bearing bears larger horizontal earthquake load, and this moment, ε shaped steel damping element entered plastic state, and plastic strain absorbs seismic energy repeatedly, and ε shaped steel damping element plasticity rigidity is less simultaneously, can play function of shock insulation.
The utility model is applied in the bridge earthquake resistance, can effectively reduce the earthquake response of bridge, and maximal bending moment can reduce by 20%~50% at the bottom of the pier, and maximum shear can reduce by 30%~50% at the bottom of the pier.The larger effect of geological process is more obvious, especially is fit to be applied on super-huge bridge and the high earthquake region bridge.The utility model with the ε shaped steel damping element of up-to-date research and development as the damping dissipation energy element, compact conformation, the damping dissipation energy effect is leading like product comprehensively: taking up room only is with about 70% of performance E shaped steel, C shaped steel bearing, damping force is twice than C shaped steel bearing, and damping Displacement Ratio E shaped steel bearing is large more than 20%.
Description of drawings
Fig. 1 is the utility model unidirectional damping type structural representation;
Fig. 2 is the utility model unidirectional damping type top view;
Fig. 3 is the utility model bidirectional damper type structural representation;
Fig. 4 is the utility model bidirectional damper type top view.
The specific embodiment
Below in conjunction with drawings and Examples utility model is further described.
The utility model embodiment divides unidirectional damping type and bidirectional damper type.
Fig. 1, Fig. 2 are that the utility model can be at the make progress embodiment of unidirectional damping type ε shaped steel damping dissipation energy ball-type Steel Bridge bearing of energy dissipating antidetonation of vertical bridge.Comprise that a seat body and the symmetrical vertical bridge of a seat body that is installed in are to the ε shaped steel damping element 8 of both sides.
Described ε shaped steel damping element 8 is two segmental arcs that are arranged side by side and opening direction is consistent, one end of two segmental arcs intersects as integral type structure, the other end and intersects three pin that end forms ε shaped steel damping element 8, be equipped with installing hole on three pin, middle pin is installed on the otic placode of piston 3 in the seat body by bearing pin, and the pin on both sides is installed on the otic placode of seat board 2 by bearing pin.ε shaped steel damping element 8 symmetries are installed in the both sides of a seat body, and the ε shaped steel damping element 8 of same damping direction is identical.
Propping up seat body is ball shaped steel bearing, comprise grappling rod iron 1, upper base plate 2, piston 3, spherical crown liner plate 4, end basin 5, lower grappling rod iron 6, upper base plate 2 is anchored on the beam body of bridge top by upper grappling rod iron 1, piston 3 and spherical crown liner plate 4 are installed between upper base plate 2 and the end basin 5, and end basin 5 is anchored on the bridge pier by lower grappling rod iron 6.Upper base plate 2 is provided with to connect the installation otic placode of the both sides pin of ε shaped steel damping element 8, and piston 3 is provided with to connect the installation otic placode of ε shaped steel damping element 8 crura intermediums.Piston 3 is provided with longitudinal rail 7, and upper base plate 2 is provided with guide-track groove, is provided with the longitudinal sliding motion pair between upper base plate 2 and the piston 3, and upper and lower two parts of bearing can be along the guide-track groove longitudinal sliding motion.
In order not affect the damping distortion of ε shaped steel damping element 8, the hole that the connection bearing pin of ε shaped steel damping element 8 and bearing pin pass all wants coating lubricating oil fat to reduce friction.
Fig. 3, Fig. 4 are the embodiments of the utility model bidirectional damper type.Described bidirectional damper type is a kind of bidirectional damper type ε shaped steel damping dissipation energy ball-type Steel Bridge bearing, compare with unidirectional damping type ε shaped steel damping dissipation energy ball-type Steel Bridge bearing, increased symmetrical ε shaped steel damping element 11, cross slide way 9 and the lower seat board 10 that is installed in the direction across bridge both sides of a seat body.Lower seat board 10 is provided with to connect the installation otic placode of ε shaped steel damping element 11 both sides pin, and end basin is provided with to connect the installation otic placode of ε shaped steel damping element 11 crura intermediums; End basin 5 is provided with horizontal sliding pair with lower seat board 10.Bidirectional damper type ε shaped steel damping dissipation energy ball-type Steel Bridge bearing can vertical bridge to direction across bridge both direction damping dissipation energy.
The utility model is applied in the bridge earthquake resistance, can effectively reduce the earthquake response of bridge, and the larger effect of geological process is more obvious, especially is fit to be applied on super-huge bridge and the high earthquake region bridge.The utility model with the ε shaped steel damping element of up-to-date research and development as the damping dissipation energy element, compact conformation, the damping dissipation energy effect is leading like product comprehensively: taking up room only is with about 70% of performance E shaped steel, C shaped steel bearing, damping force is twice than C shaped steel bearing, and damping Displacement Ratio E shaped steel bearing is large more than 20%.
The utility model is not limited to the preferred embodiment of introducing above, in the ken that those skilled in the art possesses, can also make various variations under the prerequisite that does not break away from the utility model aim.If on direction across bridge the unidirectional damping type ε shaped steel damping dissipation energy ball-type Steel Bridge bearing of energy dissipating antidetonation.

Claims (6)

1. ε shaped steel damping dissipation energy ball-type Steel Bridge bearing, comprise that the ball-type Steel Bridge props up seat body, it is characterized in that: the ε shaped steel damping element (8 that also comprises damping dissipation energy, 11), described ε shaped steel damping element (8,11) is two segmental arcs that are arranged side by side and opening direction is consistent, and an end of two segmental arcs intersects as integral type structure, the other end and intersects end and forms ε shaped steel damping element (8,11) three pin are equipped with installing hole on three pin; Described ε shaped steel damping element (8,11) symmetry is installed in the both sides of a seat body.
2. ε shaped steel damping dissipation energy ball-type Steel Bridge bearing according to claim 1 is characterized in that:
Described seat body comprises anchoring piece, upper base plate (2), piston (3), spherical crown liner plate (4), end basin (5) and lower anchoring piece, upper base plate (2) links to each other with bridge top beam body by upper anchoring piece, piston (3) and spherical crown liner plate (4) are installed between upper base plate (2) and the end basin (5), end basin (5) links to each other with bridge pier by lower anchoring piece, is equipped with the installation otic placode on upper base plate (2) and the piston (3);
Described ε shaped steel damping element symmetry is installed in the vertical bridge of a seat body to both sides, and the pin on its both sides is installed in by bearing pin on the installation otic placode of upper base plate (2), and middle pin is installed on the installation otic placode of piston (3) by bearing pin;
Described piston (3) is provided with longitudinal rail (7), upper base plate (2) is provided with guide-track groove, be provided with the longitudinal sliding motion pair between upper base plate (2) and the piston (3), upper and lower two parts of described bearing can be along the guide-track groove longitudinal sliding motion, and described bearing can be in the vertical bridge energy dissipating antidetonation that makes progress.
3. ε shaped steel damping dissipation energy ball-type Steel Bridge bearing according to claim 2 is characterized in that:
Described seat body also comprises lower seat board (10), and described lower seat board (10) is positioned at below the end basin (5), and lower seat board (10) links to each other with bridge pier by lower anchoring piece, also is equipped with the installation otic placode on lower seat board (10) and the end basin (5);
Direction across bridge both sides at a seat body also are symmetrically installed with ε shaped steel damping element, and the pin on its both sides is installed in by bearing pin on the installation otic placode of lower seat board (10), and middle pin is installed on the installation otic placode of end basin (5) by bearing pin;
Basin of the described end (5) is provided with cross slide way (9), and lower seat board (10) is provided with guide-track groove, is provided with horizontal sliding pair between end basin (5) and the lower seat board (10);
Upper and lower two parts of described bearing can vertically and/or laterally slide along guide-track groove, described bearing can vertical bridge to and/or direction across bridge on the energy dissipating antidetonation.
4. according to claim 2 or 3 described ε shaped steel damping dissipation energy ball-type Steel Bridge bearings, it is characterized in that: described upper anchoring piece and lower anchoring piece are respectively upper grappling rod iron (1) and lower grappling rod iron (6).
5. according to claim 2 or 3 described ε shaped steel damping dissipation energy ball-type Steel Bridge bearings, it is characterized in that: the equal coating lubricating oil fat in the hole that bearing pin and bearing pin pass is reduced friction.
6. according to claim 2 or 3 described ε shaped steel damping dissipation energy ball-type Steel Bridge bearings, it is characterized in that: the ε shaped steel damping element of same damping direction is identical.
CN 201220418050 2012-08-22 2012-08-22 E-type steel damping energy-dissipating ball type steel bridge support Active CN202688867U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104711924A (en) * 2013-12-17 2015-06-17 安徽尚德科技有限公司 Wavy elastic-plastic steel damping device
CN106192733A (en) * 2016-07-13 2016-12-07 山东省交通规划设计院 A kind of be applicable to cable-stayed bridge, the three-dimensional of suspension bridge subtracts shock insulation supporting system
CN107178029A (en) * 2016-03-11 2017-09-19 株洲时代新材料科技股份有限公司 A kind of shearing resistance ball shaped steel bearing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104711924A (en) * 2013-12-17 2015-06-17 安徽尚德科技有限公司 Wavy elastic-plastic steel damping device
CN107178029A (en) * 2016-03-11 2017-09-19 株洲时代新材料科技股份有限公司 A kind of shearing resistance ball shaped steel bearing
CN107178029B (en) * 2016-03-11 2019-10-29 株洲时代新材料科技股份有限公司 A kind of shearing resistance ball shaped steel bearing
CN106192733A (en) * 2016-07-13 2016-12-07 山东省交通规划设计院 A kind of be applicable to cable-stayed bridge, the three-dimensional of suspension bridge subtracts shock insulation supporting system
CN106192733B (en) * 2016-07-13 2018-08-07 山东省交通规划设计院 A kind of three-dimensional suitable for cable-stayed bridge, suspension bridge subtracts shock insulation supporting system

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