CN111455825A - Bridge subtracts isolation bearing with multiple limit function - Google Patents
Bridge subtracts isolation bearing with multiple limit function Download PDFInfo
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- CN111455825A CN111455825A CN202010365945.9A CN202010365945A CN111455825A CN 111455825 A CN111455825 A CN 111455825A CN 202010365945 A CN202010365945 A CN 202010365945A CN 111455825 A CN111455825 A CN 111455825A
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- 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
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- 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
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Abstract
The invention belongs to the field of bridge shock absorption, and particularly relates to a bridge shock absorption and isolation support with multiple limiting functions, wherein a support is fixedly arranged at the top of a cushion, two sleeve seats which are symmetrically arranged are fixedly arranged on the inner wall of the bottom of a cavity on the support, supporting columns are respectively and slidably arranged at the tops of the two sleeve seats, the tops of the two supporting columns penetrate through the inner wall of the top of the cavity and extend to the upper part of the support, the tops of the two support seats are fixedly provided with a same cross beam, two symmetrically arranged sliding blocks are slidably arranged on the outer side of a cross column fixedly arranged on the inner wall of the top of the cavity, one sides of the two sliding blocks are respectively in transmission connection with one sides of the two supporting columns, transverse blocks are respectively and fixedly arranged at the bottoms of the two sliding blocks, and connecting rods are respectively and rotatably arranged at one sides of the two transverse blocks, so that few limiting assemblies and, the service life of the supporting part is short, and the safety performance is not high.
Description
Technical Field
The invention belongs to the technical field of bridge shock absorption, and relates to a bridge seismic isolation bearing with multiple limiting functions.
Background
Earthquakes are sudden and devastating. Although the duration of an earthquake is often only dozens of seconds, the earthquake causes huge loss of lives and properties, which is incomparable with other natural disasters. Such as level 8.0 earthquake of Wenchuan in Sichuan in 2008, level 7.1 earthquake of Qinghai Yushu in 2010, etc.; similarly, there are similar disasters such as 8.9 level earthquake in the island sea area of japan in 2011, 8.8 level earthquake in the zhiliibiao province in 2010, and so on.
The bridge engineering is one of life line engineering, and earthquake disasters at home and abroad show that: the damage and collapse of the bridge in the earthquake area not only hinders the disaster relief action at that time, but also influences the restoration and reconstruction work of the bridge after the disaster. The bridge support is an important part for connecting an upper structure and a lower structure of a bridge, and can reliably transfer stress, deformation, displacement and corner of the upper structure of the bridge to the lower structure of the bridge; meanwhile, the bridge support is also a weak part of the bridge for seismic resistance, so that research and structural innovation on the bridge support, particularly the seismic isolation support, are needed.
At present, anti-seismic devices applied to constructional engineering and bridges, particularly high pier bridges, mainly comprise lead core rubber supports, polyurethane spring spherical supports, plane friction sliding supports and the like. These supports are different in every fall, but have some shortcomings in the practical application process. The lead core rubber support has poor durability, weak bearing capacity and easy aging, rubber materials are hardened at low temperature, the rubber materials are softened at high temperature, the energy consumption is weakened, and the lead core in the lead core rubber support can cause environmental pollution and the like; the polyurethane spring spherical support has poor durability, small yield displacement after external force, and the like; the plane sliding support has poor tensile or anti-overturning performance and no recovery capability, and needs to be matched with other types of supports with recovery force when in application.
The publication No. CN103603268B discloses a special seismic isolation bearing for a light rail bridge, which comprises a bearing core body and upper and lower connecting steel plates, wherein only one group of limiting assemblies for limiting the movement of a cross beam is provided, the number of supporting components is small, the damping force received on the supporting components is large, the service life of the supporting components is short, and the safety performance is low, so that the proposed seismic isolation bearing for the bridge with multiple limiting functions is provided for solving the problems.
Disclosure of Invention
In view of the above, the invention provides a bridge seismic isolation and reduction support with multiple limiting functions, which aims to solve the problems that the existing bridge seismic isolation and reduction support has fewer limiting assemblies and supporting parts for limiting the movement of a cross beam, the supporting parts are subjected to larger damping force, the service lives of the supporting parts are shorter, and the safety performance is not high.
In order to achieve the purpose, the invention provides a bridge seismic isolation and reduction support with multiple limiting functions, which comprises a cushion stone, wherein a support is fixedly arranged at the top of the cushion stone, a cavity is arranged on the support, two sleeve seats which are symmetrically arranged are fixedly arranged on the inner wall of the bottom of the cavity, pillars are respectively and slidably arranged at the tops of the two sleeve seats, the tops of the two pillars penetrate through the inner wall of the top of the cavity and extend to the upper part of the support, the tops of the two support seats are fixedly provided with a cross beam, a cross column is fixedly arranged on the inner wall of the top of the cavity, two symmetrically arranged slide blocks are respectively and slidably arranged at the outer side of the cross column, one sides of the two slide blocks are respectively in transmission connection with one sides of the two pillars, cross blocks are respectively and fixedly arranged at the bottoms of the two slide blocks, a connecting rod is rotatably arranged at one side, the top slidable mounting of slip table has two slides that the symmetry set up, and one side of two slides rotates with the bottom of two connecting rods respectively and is connected, and the equal fixed mounting in one side that two pillars were kept away from each other has the diaphragm, and two diaphragms extend to one side that two cover seats were kept away from each other respectively, and the bottom of two diaphragms all is provided with the shear assembly.
The beneficial effect of this basic scheme lies in: when the crossbeam atress, on the one hand, make two rubber pad atress take place deformation, on the other hand, can act on two crossbars and slide downwards, when the crossbars removes downwards, on the one hand, the crossbars can act on two action bars and produce the opposite effort of lateral position, two sliders can be under the effect of two action bars to one side lateral shifting that is close to each other, two sliders extrude two buffer spring and take place deformation, the effort that receives on two sliders can act on two slides and carry out lateral shifting to one side that is close to each other, the displacement distance of slide carries on spacingly via the stop lever that sets up, on the other hand, two diaphragms can move downwards under the effect of two pillars, the contained angle between two shock attenuation poles that are located the homonymy can change, deformation takes place for two spring atress, carry out shock attenuation and spacing to the effort on the pillar.
Further, the equal fixed mounting in both sides of support has the mounting panel, the top of mounting panel is equipped with two anchor bolts that the symmetry set up, a plurality of thread grooves that are the matrix arrangement are seted up at the top of stone pad, and the bottom of a plurality of anchor bolts extends to the inside of a plurality of thread grooves respectively and respectively with a plurality of thread groove threaded connection. Has the advantages that: the cooperation of the anchor bolt and the thread groove is used for improving the connecting strength of the support and the cushion.
Further, the spout has been seted up at the top of cover seat, and equal slidable mounting has a branch strip on the both sides inner wall of two spouts, and the bottom of two pillars extends to the inside of two spouts respectively and respectively with the top fixed mounting of two branch strips, all has seted up the through-hole on the one side inner wall that two spouts kept away from each other, and two diaphragms are kept away from one side each other and are run through two through-holes respectively and extend to one side that two cover seats kept away from each other, beneficial effect: the cooperation of spout, branch and pillar is in order to improve the stability that the pillar removed.
Further, the top of two pillars is all fixed mounting have the backing plate, and the top of two backing plates all with the bottom fixed mounting of crossbeam, the bottom fixed mounting of crossbeam has two rubber pads that the symmetry set up, and the bottom of two rubber pads all with the top fixed mounting of support. Has the advantages that: the setting of backing plate and rubber pad is in order to promote shock attenuation buffering effect.
Further, the equal fixed mounting in top of two cover seats has damping spring, and two damping spring are respectively around establishing the outside at two pillars, and two damping spring's top respectively with the outside fixed mounting of two pillars, the outside of two pillars is all rotated and is installed the action bars, the bottom of two action bars respectively with one side rotation connection of two sliders. Has the advantages that: in order to increase the stress components, the service life of the strut is prolonged.
Further, the outside fixed mounting of spreader has decides the board, and the equal fixed mounting in one side that two sliders are close to each other has buffer spring, and two buffer spring all wind the outside of establishing at the spreader, and the one end that two buffer spring are close to each other respectively with the both sides fixed mounting who decides the board. Has the advantages that: in order to limit the lateral displacement of the two sliding blocks.
Further, logical groove has been seted up at the top of slip table, and the bottom of two slides all extends to the inside of leading to the groove and all with the bottom inner wall sliding connection who leads to the groove, fixed mounting has two stoppers that the symmetry set up on the bottom inner wall that leads to the groove, and one side of two stoppers all rotates installs the gag lever post, and the top of two gag lever posts rotates with one side of connecting rod respectively and is connected. Has the advantages that: in order to limit the transverse displacement of the sliding plate.
Further, the top fixed mounting who leads to the groove has the limiting plate, the limiting plate is located one side that two slides are close to each other, and the equal fixed mounting in both sides of limiting plate has the blotter. Has the advantages that: multiple limiting assemblies are added, and stability and shock absorption are improved.
Further, the shear assembly comprises two cross bars fixedly installed at the top of the cavity, two shock absorption rods symmetrically arranged are installed at the tops of the two cross bars in a sliding mode, the two shock absorption rods located on the same side are connected in a cross rotating mode, and the tops of the two shock absorption rods located on the same side are connected with the bottom of the cross plate in a sliding mode. Has the advantages that: the arrangement of the shear assembly is used for further improving the damping effect.
Furthermore, one side that two shock attenuation poles that are located the homonymy are close to each other is fixed mounting with same spring, the spring is provided with four. Has the advantages that: when no force is applied to the cross beam, all the parts can be reset.
The invention has the beneficial effects that:
1. according to the bridge seismic isolation and reduction support with multiple limiting functions, the two mounting plates are arranged on the two sides of the support, and the two anchor bolts are arranged at the tops of the mounting plates, so that the support and the cushion stone can be conveniently mounted and fixed, and the bridge seismic isolation and reduction support is high in connection strength and good in supporting performance.
2. According to the bridge seismic isolation and reduction support with multiple limiting functions, the limiting plate is arranged at the center of the top of the through groove, the transverse moving positions of the two sliding plates can be limited, the distance that the supporting column can longitudinally move is limited, and the strength of the seismic isolation and reduction support of the bridge seismic isolation and reduction support is improved.
3. According to the bridge seismic isolation and reduction support with multiple limiting functions, the transverse plate is arranged on one side of the support, and the two shock absorption rods which are in cross rotating connection are arranged at the bottom of the transverse plate, so that the moving distance of the support can be further limited, the integrity of the bridge seismic isolation and reduction support is improved, and the stability of the bridge seismic isolation and reduction support is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a partial structural perspective view of a bridge seismic isolation bearing with multiple limiting functions;
FIG. 2 is a schematic structural diagram of a bridge seismic mitigation and isolation bearing with multiple limiting functions;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention;
fig. 5 is an exploded view of the socket of fig. 2 according to the present invention.
Reference numerals: 1 base stone, 2 supports, 3 cavities, 4 mounting plates, 5 anchor bolts, 6 sleeve seats, 7 sliding grooves, 8 pillars, 9 damping springs, 10 base plates, 11 cross beams, 12 rubber pads, 13 supporting rods, 14 sliding blocks, 15 damping springs, 16 action rods, 17 sliding tables, 18 through grooves, 19 sliding plates, 20 connecting rods, 21 limiting rods, 22 limiting blocks, 23 limiting plates, 24 through holes, 25 transverse plates, 26 damping rods, 27 springs and 28 transverse strips.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in figures 1-5, the bridge seismic isolation and reduction support with multiple limiting functions comprises a cushion stone 1, a support 2 is fixedly installed at the top of the cushion stone 1, a chamber 3 is arranged on the support 2, two sleeve seats 6 which are symmetrically arranged are fixedly installed on the inner wall of the bottom of the chamber 3, support columns 8 are respectively and slidably installed at the tops of the two sleeve seats 6, the tops of the two support columns 8 respectively penetrate through the inner wall of the top of the chamber 3 and respectively extend to the upper part of the support 2, the same cross beam 11 is fixedly installed at the tops of the two support seats 2, a cross column is fixedly installed on the inner wall of the top of the chamber 3, two symmetrically arranged slide blocks 14 are slidably installed at the outer side of the cross column, one side of each slide block 14 is respectively in transmission connection with one side of each support column 8, a cross block is fixedly installed at the bottoms of the two slide blocks 14, a connecting rod 20 is rotatably installed at one side of, two slide 19 that the symmetry set up are installed to the top slidable of slip table 17, and one side of two slide 19 rotates with the bottom of two connecting rods 20 respectively and is connected, and the equal fixed mounting in one side that two pillars 8 kept away from each other has diaphragm 25, and two diaphragms 25 extend to the one side that two cover seats 6 kept away from each other respectively, and the bottom of two diaphragms 25 all is provided with shear assembly.
According to the invention, the mounting plates 4 are fixedly mounted on two sides of the support 2, the two symmetrically arranged anchor bolts 5 are arranged on the top of the mounting plate 4, the top of the cushion stone 1 is provided with a plurality of thread grooves which are arranged in a matrix manner, and the bottoms of the anchor bolts 5 respectively extend into the thread grooves and are respectively in threaded connection with the thread grooves.
In the invention, the top of the sleeve seat 6 is provided with the sliding grooves 7, the inner walls of two sides of the two sliding grooves 7 are respectively provided with the supporting strips in a sliding manner, the bottoms of the two supporting columns 8 respectively extend into the two sliding grooves 7 and are respectively fixedly installed with the tops of the two supporting strips, the inner wall of one side, away from each other, of the two sliding grooves 7 is provided with the through hole 24, and one side, away from each other, of the two transverse plates 25 respectively penetrates through the two through holes 24 and respectively extends to one side, away from each other, of the two sleeve.
In the invention, the tops of two pillars 8 are both fixedly provided with a backing plate 10, the tops of the two backing plates 10 are both fixedly arranged with the bottom of a cross beam 11, the bottom of the cross beam 11 is fixedly provided with two symmetrically arranged rubber pads 12, and the bottoms of the two rubber pads 12 are both fixedly arranged with the top of a support 2.
In the invention, the top parts of the two sleeve seats 6 are fixedly provided with the damping springs 9, the two damping springs 9 are respectively wound on the outer sides of the two support columns 8, the top parts of the two damping springs 9 are respectively fixedly arranged with the outer sides of the two support columns 8, the outer sides of the two support columns 8 are respectively rotatably provided with the action rods 16, and the bottom parts of the two action rods 16 are respectively rotatably connected with one sides of the two slide blocks 14.
In the invention, a fixed plate is fixedly arranged on the outer side of a transverse column, buffer springs 15 are fixedly arranged on the sides, close to each other, of two sliding blocks 14, the two buffer springs 15 are wound on the outer side of the transverse column, and the ends, close to each other, of the two buffer springs 15 are fixedly arranged on the two sides of the fixed plate respectively.
In the invention, the top of the sliding table 17 is provided with a through groove 18, the bottoms of the two sliding plates 19 extend into the through groove 18 and are in sliding connection with the inner wall of the bottom of the through groove 18, the inner wall of the bottom of the through groove 18 is fixedly provided with two symmetrically arranged limiting blocks 22, one side of each of the two limiting blocks 22 is rotatably provided with a limiting rod 21, and the tops of the two limiting rods 21 are respectively in rotating connection with one side of a connecting rod 20.
In the invention, the top of the through groove 18 is fixedly provided with the limiting plate 23, the limiting plate 23 is positioned at one side of the two sliding plates 19 close to each other, and the two sides of the limiting plate 23 are both fixedly provided with the cushion pads.
In the invention, the shear assembly comprises two crossbars 28 fixedly arranged at the top of the chamber 3, two symmetrically arranged shock absorption rods 26 are arranged at the tops of the two crossbars 28 in a sliding manner, the two shock absorption rods 26 positioned at the same side are connected in a cross rotating manner, and the tops of the two shock absorption rods 26 positioned at the same side are connected with the bottom of the transverse plate 25 in a sliding manner.
In the invention, the same spring 27 is fixedly arranged at one side of the two shock absorption rods 26 positioned at the same side, which are close to each other, and four springs 27 are arranged.
When a cross beam 11 is stressed, on one hand, two rubber pads 12 are stressed to deform, on the other hand, two cross columns 8 can act to slide downwards, when the cross columns 8 move downwards, on the one hand, the cross columns 8 act on two action rods 16 to generate acting forces with opposite transverse positions, two sliding blocks 14 can transversely move towards one side close to each other under the action of the two action rods 16, the two sliding blocks 14 extrude two buffer springs 15 to deform, the acting forces on the two sliding blocks 14 can act on two sliding plates 19 to transversely move towards one side close to each other, the moving distance of the sliding plates 19 is limited through a limiting rod 21, on the other hand, two transverse plates 25 can downwards move under the action of the two support columns 8, and the included angle between two shock absorption rods 26 positioned on the same side can change, the two springs 27 are stressed to deform, and the acting force on the strut 8 is damped and limited.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The bridge seismic mitigation and isolation support with the multiple limiting functions comprises a cushion stone (1) and is characterized in that a support (2) is fixedly mounted at the top of the cushion stone (1), a cavity (3) is arranged on the support (2), two sleeve seats (6) which are symmetrically arranged are fixedly mounted on the inner wall of the bottom of the cavity (3), supporting columns (8) are slidably mounted at the tops of the two sleeve seats (6), the tops of the two supporting columns (8) penetrate through the inner wall of the top of the cavity (3) and extend to the upper side of the support (2), the top of the two support seats (2) is fixedly mounted with a same cross beam (11), a cross column is fixedly mounted on the inner wall of the top of the cavity (3), two sliding blocks (14) which are symmetrically arranged are slidably mounted at the outer side of the cross column, one side of each of the two sliding blocks (14) is in transmission connection with one side of each of, the equal fixed mounting in bottom of two sliders (14) has the crosspiece, and one side of two crosspieces all rotates and installs connecting rod (20), fixed mounting has slip table (17) on the bottom inner wall of cavity (3), the top slidable mounting of slip table (17) has two slide (19) that the symmetry set up, and one side of two slide (19) rotates with the bottom of two connecting rod (20) respectively and is connected, and the equal fixed mounting in one side of keeping away from each other of two pillar (8) has diaphragm (25), and two diaphragm (25) extend to one side that two cover seats (6) kept away from each other respectively, and the bottom of two diaphragm (25) all is provided with shear assembly.
2. The bridge seismic mitigation and isolation bearing with the multiple limiting functions according to claim 1, wherein mounting plates (4) are fixedly mounted on both sides of the bearing (2), two symmetrically arranged anchoring bolts (5) are arranged on the top of each mounting plate (4), a plurality of threaded grooves arranged in a matrix are formed in the top of the base stone (1), and the bottom of each anchoring bolt (5) extends into the corresponding threaded groove and is in threaded connection with the corresponding threaded groove.
3. The bridge seismic mitigation and isolation bearing with the multiple limiting functions as claimed in claim 1, wherein the top of the sleeve seat (6) is provided with a sliding groove (7), the inner walls of two sides of the two sliding grooves (7) are both provided with a support bar in a sliding manner, the bottom of the two pillars (8) respectively extend to the inside of the two sliding grooves (7) and are respectively fixedly mounted with the top of the two support bars, the inner wall of one side of the two sliding grooves (7) far away from each other is provided with a through hole (24), one side of the two transverse plates (25) far away from each other respectively penetrates through the two through holes (24) and respectively extends to one side of the two sleeve seats (6) far away from each other.
4. The bridge seismic isolation and reduction support with multiple limiting functions as claimed in claim 1, wherein the top of each of the two pillars (8) is fixedly provided with a base plate (10), the top of each of the two base plates (10) is fixedly arranged with the bottom of the cross beam (11), the bottom of the cross beam (11) is fixedly provided with two symmetrically arranged rubber pads (12), and the bottom of each of the two rubber pads (12) is fixedly arranged with the top of the support (2).
5. The bridge seismic mitigation and isolation bearing with the multiple limiting functions as claimed in claim 1, wherein the top of each of the two sleeve seats (6) is fixedly provided with a damping spring (9), the two damping springs (9) are respectively wound on the outer sides of the two support columns (8), the top of each of the two damping springs (9) is respectively fixedly arranged on the outer sides of the two support columns (8), the outer sides of the two support columns (8) are respectively and rotatably provided with an action rod (16), and the bottom of each of the two action rods (16) is respectively and rotatably connected with one side of each of the two sliding blocks (14).
6. The bridge seismic mitigation and isolation bearing with the multiple limiting functions as claimed in claim 1, wherein a fixed plate is fixedly installed on the outer side of the cross column, buffer springs (15) are fixedly installed on the sides, close to each other, of the two sliding blocks (14), the two buffer springs (15) are wound on the outer side of the cross column, and the ends, close to each other, of the two buffer springs (15) are fixedly installed on the two sides of the fixed plate respectively.
7. The bridge seismic mitigation and isolation bearing with the multiple limiting functions as claimed in claim 1, wherein a through groove (18) is formed in the top of the sliding table (17), the bottoms of the two sliding plates (19) extend into the through groove (18) and are slidably connected with the inner wall of the bottom of the through groove (18), two limiting blocks (22) which are symmetrically arranged are fixedly mounted on the inner wall of the bottom of the through groove (18), limiting rods (21) are rotatably mounted on one sides of the two limiting blocks (22), and the tops of the two limiting rods (21) are rotatably connected with one sides of the connecting rods (20) respectively.
8. The bridge seismic mitigation and isolation bearing with the multiple limiting functions according to claim 7, wherein a limiting plate (23) is fixedly installed at the top of the through groove (18), the limiting plate (23) is located at one side where the two sliding plates (19) are close to each other, and cushion pads are fixedly installed at both sides of the limiting plate (23).
9. The bridge seismic mitigation and isolation bearing with the multiple limiting functions as claimed in claim 1, wherein the shear assembly comprises two cross bars (28) fixedly installed at the top of the chamber (3), two shock absorption rods (26) symmetrically arranged are installed at the tops of the two cross bars (28) in a sliding manner, the two shock absorption rods (26) located at the same side are connected in a cross rotating manner, and the tops of the two shock absorption rods (26) located at the same side are connected with the bottom of the transverse plate (25) in a sliding manner.
10. The bridge seismic mitigation and isolation bearing with multiple limiting functions according to claim 9, wherein the same spring (27) is fixedly installed on the side, close to each other, of the two shock absorption rods (26) on the same side, and four springs (27) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365945.9A CN111455825A (en) | 2020-04-30 | 2020-04-30 | Bridge subtracts isolation bearing with multiple limit function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010365945.9A CN111455825A (en) | 2020-04-30 | 2020-04-30 | Bridge subtracts isolation bearing with multiple limit function |
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| CN111455825A true CN111455825A (en) | 2020-07-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030732A (en) * | 2020-08-21 | 2020-12-04 | 台州学院 | Bridge tensile subtracts isolation bearing |
| CN113309249A (en) * | 2021-06-11 | 2021-08-27 | 福建省坤亿建设集团有限公司 | Shock isolation device for building |
| CN113846550A (en) * | 2021-11-10 | 2021-12-28 | 华东交通大学 | Highway damping telescoping device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913323A (en) * | 1995-07-03 | 1997-01-14 | Kawasaki Heavy Ind Ltd | Base isolation support structure for construction |
| KR20130043856A (en) * | 2011-10-21 | 2013-05-02 | 김재욱 | Disk bearing for bridge using steel bearing |
| CN206467555U (en) * | 2017-02-16 | 2017-09-05 | 西南交通大学 | A kind of bridge shock-proof check block device with runback bit function |
| CN206477442U (en) * | 2017-01-24 | 2017-09-08 | 张希 | A kind of multi-functional vibration absorption and isolation support |
| CN206971072U (en) * | 2017-06-27 | 2018-02-06 | 山西省公路局运城分局 | A kind of highway bridge damping device |
| CN108457176A (en) * | 2018-04-12 | 2018-08-28 | 淄博正邦知识产权企划有限公司 | A kind of the bridge pedestal and its anti-shock methods of antidetonation |
| CN109024958A (en) * | 2018-07-03 | 2018-12-18 | 徐州中泰煤矿安全设备制造有限公司 | A kind of Safety of Coal Mine Production earthquake isolating equipment |
| CN208415077U (en) * | 2018-05-09 | 2019-01-22 | 湖南交通职业技术学院 | A kind of bridge aseismic devices |
| CN209397478U (en) * | 2018-12-19 | 2019-09-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Bridge anti-seismic device |
| CN209555759U (en) * | 2018-11-01 | 2019-10-29 | 倪少成 | A kind of shock mount of road and bridge good damping effect |
| CN111059193A (en) * | 2019-12-24 | 2020-04-24 | 罗峰 | Efficient damping device for industrial and mining vehicles has |
-
2020
- 2020-04-30 CN CN202010365945.9A patent/CN111455825A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913323A (en) * | 1995-07-03 | 1997-01-14 | Kawasaki Heavy Ind Ltd | Base isolation support structure for construction |
| KR20130043856A (en) * | 2011-10-21 | 2013-05-02 | 김재욱 | Disk bearing for bridge using steel bearing |
| CN206477442U (en) * | 2017-01-24 | 2017-09-08 | 张希 | A kind of multi-functional vibration absorption and isolation support |
| CN206467555U (en) * | 2017-02-16 | 2017-09-05 | 西南交通大学 | A kind of bridge shock-proof check block device with runback bit function |
| CN206971072U (en) * | 2017-06-27 | 2018-02-06 | 山西省公路局运城分局 | A kind of highway bridge damping device |
| CN108457176A (en) * | 2018-04-12 | 2018-08-28 | 淄博正邦知识产权企划有限公司 | A kind of the bridge pedestal and its anti-shock methods of antidetonation |
| CN208415077U (en) * | 2018-05-09 | 2019-01-22 | 湖南交通职业技术学院 | A kind of bridge aseismic devices |
| CN109024958A (en) * | 2018-07-03 | 2018-12-18 | 徐州中泰煤矿安全设备制造有限公司 | A kind of Safety of Coal Mine Production earthquake isolating equipment |
| CN209555759U (en) * | 2018-11-01 | 2019-10-29 | 倪少成 | A kind of shock mount of road and bridge good damping effect |
| CN209397478U (en) * | 2018-12-19 | 2019-09-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Bridge anti-seismic device |
| CN111059193A (en) * | 2019-12-24 | 2020-04-24 | 罗峰 | Efficient damping device for industrial and mining vehicles has |
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| CN112030732A (en) * | 2020-08-21 | 2020-12-04 | 台州学院 | Bridge tensile subtracts isolation bearing |
| CN113309249A (en) * | 2021-06-11 | 2021-08-27 | 福建省坤亿建设集团有限公司 | Shock isolation device for building |
| CN113846550A (en) * | 2021-11-10 | 2021-12-28 | 华东交通大学 | Highway damping telescoping device |
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Application publication date: 20200728 |