CN113914208B - Bridge anti-seismic support - Google Patents
Bridge anti-seismic support Download PDFInfo
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- CN113914208B CN113914208B CN202111370506.8A CN202111370506A CN113914208B CN 113914208 B CN113914208 B CN 113914208B CN 202111370506 A CN202111370506 A CN 202111370506A CN 113914208 B CN113914208 B CN 113914208B
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- hydraulic
- rod
- rods
- bridge
- rotating shaft
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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
- E01D19/042—Mechanical bearings
-
- 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
- E01D19/041—Elastomeric bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention relates to the field of bridge construction, and particularly discloses a bridge anti-seismic support, which comprises pier columns connected with a lower bridge structure and a support plate connected with an upper bridge structure, wherein the tops of the pier columns are provided with bases, the upper surfaces of the bases are provided with arc-shaped concave cavities, the tops of the pier columns are distributed with a plurality of bases, the tops of the bases are respectively and spherically hinged with a first connecting rod obliquely arranged, the ends of the first connecting rods are respectively and spherically hinged with a second connecting rod, and torsion springs are arranged at the hinged positions; the bottom of the supporting plate is provided with arc-shaped protrusions extending into the concave cavities, the lower surface of the supporting plate is provided with a plurality of connecting parts, and the connecting parts are in spherical hinge connection with the corresponding end parts of the second connecting rods; a plurality of connecting grooves are distributed on the upper surface of the pier stud, hydraulic energy dissipation devices are arranged in the connecting grooves, and guide rods are connected between the output ends of the hydraulic energy dissipation devices and the corresponding first connecting rods in a spherical hinge mode; the invention aims at solving the problems that the existing bridge support is poor in damping and shock-resistant effects and cannot provide traction force for a bridge.
Description
Technical Field
The invention relates to the technical field of bridge construction, and particularly discloses a bridge anti-seismic support.
Background
Bridges are an indispensable part in current transportation, but in an earthquake, the bridges are often severely damaged, and damage to the bridges directly affects the smoothness of life lines in the earthquake relief process. Therefore, how to improve the shock resistance of the bridge and reduce the damage of the bridge caused by the earthquake is an important problem.
The bridge support is an important connection structure between the bridge superstructure and the substructure, and the function of the bridge support is mainly to transfer the load of the superstructure to the bridge pier. The cost of the support is only a small proportion of the total cost of the bridge structure, but the support plays a very large role in the bridge structure. The existing bridge support is complex in structure, poor in shock absorption and shock resistance effect, incapable of achieving good shock absorption when the bridge shakes, damage to the bridge is caused, when the bridge inclines in large shock, the support does not have the function of improving traction force, the bridge continues to incline, serious damage is caused, serious safety accidents are caused, the support and the support do not have the function of pre-fixing, the support and the support are fixed in a troublesome manner, and certain dangers exist.
Disclosure of Invention
The invention aims to provide a bridge anti-seismic support, which solves the problems that the existing bridge support is poor in shock absorption and anti-seismic effect and cannot provide traction force for a bridge.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
the bridge anti-seismic support comprises a pier column connected with a lower bridge structure and a support plate connected with an upper bridge structure, wherein the top of the pier column is provided with a base, the upper surface of the base is provided with an arc-shaped concave cavity, a plurality of bases are distributed on a circular array at the top of the pier column, first connecting rods which are obliquely arranged are connected with spherical hinges at the tops of the bases, second connecting rods are hinged at the ends of the first connecting rods, and torsion springs are arranged at the hinged positions; the bottom of the supporting plate is provided with arc-shaped bulges extending into the concave cavities, the circular array of the lower surface of the supporting plate is provided with a plurality of connecting parts, and the connecting parts are in spherical hinge connection with the corresponding end parts of the second connecting rods; the circular array on the upper surface of the pier stud is provided with a plurality of connecting grooves, hydraulic energy dissipation devices are arranged in the connecting grooves, and guide rods are connected between the output ends of the hydraulic energy dissipation devices and the corresponding first connecting rods in a spherical hinge mode.
In an earthquake state, when longitudinal waves are transmitted to the bridge, the upper bridge structure drives the supporting plate to move vertically, and at the moment, the connection between the supporting plate and the pier column is kept through the deflection among the base, the first connecting rod, the second connecting rod and the connecting part, so that traction force is provided for the bridge, and the upper bridge structure and the supporting plate are prevented from being thoroughly separated from the pier column; when the first connecting rod deflects, kinetic energy is transmitted to the hydraulic energy dissipation device through the guide rod, and energy dissipation and shock absorption are performed through the hydraulic energy dissipation device, so that the damage degree of the bridge is reduced.
When transverse waves are transmitted to the bridge, the upper bridge structure drives the support plate to move horizontally in any direction, the support plate drives the arc-shaped bulge to reciprocate horizontally, and the primary energy consumption and shock absorption effects are achieved through friction between the arc-shaped bulge and the arc-shaped groove of the base when the arc-shaped bulge moves; when the supporting plate moves horizontally, the supporting plate and the pier column are kept connected through the deflection among the base, the first connecting rod, the second connecting rod and the connecting part, traction force is provided for the bridge, the upper bridge structure and the supporting plate are prevented from being thoroughly separated from the pier column, part of kinetic energy is transmitted to the hydraulic energy dissipation device through the guide rod, the second energy dissipation and the shock absorption are carried out through the hydraulic energy dissipation device, and the damage degree of the bridge is reduced.
In this scheme, through the cooperation between base, head rod, second connecting rod and the connecting portion, no matter the backup pad receives vibrations influence and takes place vertically, transversely or take place simultaneously, homoenergetic provides traction force to the backup pad, also can play energy dissipation absorbing effect simultaneously.
Optionally, a plurality of constraint devices are uniformly distributed between the base and the support plate, each constraint device comprises a hollow constraint rod, two ends of each constraint rod are respectively and slidably connected with a transmission rod, two ends of each transmission rod are respectively connected with the corresponding support plate and the corresponding base in a spherical hinge manner, the opposite surfaces of the adjacent transmission rods are respectively provided with grooves, the opposite surfaces of the grooves are respectively provided with teeth, the constraint rods are rotationally connected with rotating shafts, two ends of each rotating shaft penetrate out of the constraint rods, and transmission gears meshed with the teeth on two sides are fixed on the rotating shafts; an annular base coaxial with the rotating shaft is fixed on the side wall of the constraint rod, a plurality of connecting cavities are formed in the annular base, hydraulic rods are connected in the connecting cavities in a sliding mode, one end of each hydraulic rod, which faces the rotating shaft, penetrates out of the annular base, limiting rods are arranged on the end portions of the hydraulic rods, and a plurality of limiting grooves corresponding to the limiting rods are formed in the peripheral sides of the end portions of the rotating shaft; the hydraulic rod is fixedly provided with a hydraulic plate, a gap is reserved between the hydraulic plate and the cavity wall of the connecting cavity, springs after compression are fixedly arranged between the hydraulic plate and the connecting cavity, and hydraulic oil is sealed in the hydraulic cavity.
Under the conditions of low earthquake intensity, vehicle running or vibration caused by wind-induced effect, the rotation of the rotating shaft is limited through the cooperation between the limiting rod and the limiting groove, namely, the movement of the transmission rod is limited, so that the limiting device is used for limiting the supporting plate, the relative movement between the supporting plate and the pier column is limited, the bridge pier is prevented from being misplaced, and the stability of the bridge is maintained; when the earthquake intensity is high, the supporting plate is affected by the earthquake wave and has kinetic energy, namely, the supporting plate generates tension on the transmission rod, so that the gear and the rotating shaft have kinetic energy; when the kinetic energy reaches a certain degree, the rotating shaft breaks the limiting rod, so that the rotating shaft and the gear can normally rotate, and part of the limiting rod broken in the limiting groove is thrown out by centrifugal force in the rotating process of the rotating shaft; in the rotation process of the rotating shaft and the gear, the transmission rod can normally move, namely the length of the restraining device can be changed, so that the device is suitable for the movement of the supporting plate, and the subsequent energy consumption and shock absorption stage can be triggered. When the limiting rod is broken, the spring in a compressed state pushes the hydraulic plate, so that the hydraulic rod is driven to push the limiting rod to move towards the rotating shaft, the spring is slow in the process of recovering deformation due to acting force between hydraulic oil in the connecting cavity and the hydraulic plate, the moving speed of the limiting rod is slowed down, and the time for inserting the limiting rod into the limiting groove is longer than the earthquake time; when the earthquake is over, the limiting rod is reinserted into the limiting groove under the action of the spring to limit the rotation of the rotating shaft and the gear, so that the length of the limiting device is limited to change, and the limiting of the supporting plate is carried out again; if the earthquake time is long, after the limiting rod is inserted into the limiting groove in advance, the rotating shaft breaks the limiting rod again, and the spring continuously pushes the limiting rod to move, so that the limiting rod can be reinserted into the limiting groove after the earthquake is finished.
Optionally, the coaxial thread groove has been seted up on the end of hydraulic rod towards the pivot, gag lever post threaded connection is in the thread groove, annular cut-off groove has been seted up on the gag lever post, cuts the inslot of stretching into in the limit groove.
The limiting rod is in threaded connection with the hydraulic rod, so that the subsequent replacement of the limiting rod is facilitated, and the next use is facilitated; in addition, through setting up the groove that cuts off, ensure the rupture position of gag lever post, do benefit to the pivot and throw cracked gag lever post out the groove.
Optionally, a plurality of energy dissipation plates are fixed on the periphery of the other end of the rotating shaft, a sleeve for sealing the energy dissipation plates is sleeved on the rotating shaft, the sleeve is fixed on the side wall of the restraining rod, and hydraulic oil is sealed in the sleeve.
The energy consumption plate is driven to rotate in the hydraulic oil when the rotating shaft rotates, so that the auxiliary energy consumption function is achieved.
Optionally, the hydraulic chamber is worn out to the one end that the pivot was kept away from to the hydraulic lever, is fixed with the handle on the tip that the pivot was kept away from to the hydraulic lever.
Through setting up the handle, be convenient for shake when maintaining after, adjust the compression state of spring behind the gag lever post of changing.
Optionally, the hydraulic energy dissipation device is a hydraulic damper.
Optionally, a sand layer is disposed in the cavity.
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 objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of a restraining device according to an embodiment of the present invention;
FIG. 4 is a longitudinal cross-sectional view of a restraint device in an embodiment of the invention;
fig. 5 is an enlarged schematic view at a in fig. 4.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: pier column 1, backup pad 2, base 3, base 4, head rod 5, second connecting rod 6, arc protruding 7, connecting portion 8, hydraulic energy dissipation device 9, guide arm 10, restraint pole 11, transfer line 12, tooth 13, pivot 14, gear 15, annular seat 16, hydraulic rod 17, hydraulic plate 18, gag lever post 19, spring 20, cut-off groove 21, sleeve 22, power dissipation board 23, handle 24.
Examples
As shown in fig. 1 and 2:
the bridge anti-seismic support comprises a pier column 1 connected with a lower bridge structure and a support plate 2 connected with an upper bridge structure, wherein a base 3 is arranged at the top of the pier column 1, an arc-shaped concave cavity is formed in the upper surface of the base 3, a plurality of bases 4 are distributed on a circular array at the top of the pier column 1, first connecting rods 5 which are obliquely arranged are connected with the tops of the bases 4 in a spherical hinge manner, second connecting rods 6 are hinged to the ends of the first connecting rods 5, and torsion springs are arranged at the hinged positions; the bottom of the supporting plate 2 is provided with arc-shaped bulges 7 extending into the concave cavities, a plurality of connecting parts 8 are distributed on the circular array on the lower surface of the supporting plate 2, and the connecting parts 8 are in spherical hinge connection with the end parts of the corresponding second connecting rods 6; the circular array on the upper surface of the pier stud 1 is provided with a plurality of connecting grooves, hydraulic energy dissipation devices 9 are arranged in the connecting grooves, and guide rods 10 are connected between the output ends of the hydraulic energy dissipation devices 9 and the corresponding first connecting rods 5 in a ball hinge mode.
In the earthquake state, when longitudinal waves are transmitted to the bridge, the upper bridge structure drives the support plate 2 to move vertically, and at the moment, the connection between the support plate 2 and the pier column 1 is kept through the deflection among the base 4, the first connecting rod 5, the second connecting rod 6 and the connecting part 8, so that traction force is provided for the bridge, and the upper bridge structure and the support plate 2 are prevented from being thoroughly separated from the pier column 1; when the first connecting rod 5 deflects, kinetic energy is transmitted to the hydraulic energy dissipation device 9 through the guide rod 10, and energy dissipation and shock absorption are performed through the hydraulic energy dissipation device 9, so that the damage degree of the bridge is reduced.
When transverse waves are transmitted to the bridge, the upper bridge structure drives the support plate 2 to move horizontally in any direction, the support plate 2 drives the arc-shaped bulge 7 to reciprocate horizontally, and the primary energy consumption and shock absorption effects are achieved through friction between the arc-shaped bulge 7 and the arc-shaped groove of the base 3 when the arc-shaped bulge 7 moves; when the support plate 2 moves horizontally, the connection between the support plate 2 and the pier column 1 is kept through the deflection among the base 4, the first connecting rod 5, the second connecting rod 6 and the connecting part 8, traction force is provided for the bridge, the upper bridge structure and the support plate 2 are prevented from being thoroughly separated from the pier column 1, part of kinetic energy is transmitted to the hydraulic energy dissipation device 9 through the guide rod 10, the hydraulic energy dissipation device 9 is used for carrying out secondary energy dissipation and shock absorption, and the damage degree of the bridge is reduced.
In this scheme, through the cooperation between base 4, head rod 5, second connecting rod 6 and connecting portion 8, no matter backup pad 2 receives vibrations influence and takes place vertically, transversely or take place simultaneously, homoenergetic to the backup pad 2 provides traction force, also can play the damped effect of power consumption simultaneously.
As shown in fig. 3, 4 and 5: optionally, a plurality of constraint devices are uniformly distributed between the base 3 and the support plate 2, each constraint device comprises a hollow constraint rod 11, two ends of each constraint rod 11 are respectively and slidably connected with a transmission rod 12, two ends of each transmission rod 12 are respectively and spherically hinged with the corresponding support plate 2 and the base 3, grooves are formed in opposite surfaces of adjacent transmission rods 12, teeth 13 are formed in opposite surfaces of the grooves, a rotating shaft 14 is rotationally connected with each constraint rod 11, two ends of each rotating shaft 14 penetrate out of each constraint rod 11, and transmission gears 13 which are meshed with the teeth 13 on two sides simultaneously are fixed on the rotating shafts 14; an annular base 4 coaxial with the rotating shaft 14 is fixed on the side wall of the constraint rod 11, a plurality of connecting cavities are formed in the annular base 4, hydraulic rods 17 are connected in the connecting cavities in a sliding mode, one ends of the hydraulic rods 17, which face the rotating shaft 14, penetrate out of the annular base 4, limiting rods 19 are arranged on the end portions of the hydraulic rods 17, and a plurality of limiting grooves corresponding to the limiting rods 19 are formed in the peripheral sides of the end portions of the rotating shaft 14; the hydraulic rod 17 is fixedly provided with a hydraulic plate 18, a gap is reserved between the hydraulic plate 18 and the wall of the connecting cavity, a compressed spring 20 is fixedly arranged between the hydraulic plate 18 and the connecting cavity, and hydraulic oil is sealed in the hydraulic cavity.
Under the conditions of low earthquake intensity, vehicle running or vibration caused by wind-induced effect, the rotation of the rotating shaft 14 is limited through the cooperation between the limiting rod 19 and the limiting groove, namely the movement of the transmission rod 12 is limited, so that the restraint device restrains and limits the support plate 2, the relative movement between the support plate 2 and the pier column 1 is limited, the dislocation of the pier is avoided, and the stability of the bridge is maintained; when the earthquake intensity is high, the supporting plate 2 is provided with kinetic energy under the influence of the earthquake wave, namely, the supporting plate 2 generates a pulling force on the transmission rod 12, so that the gear 13, the wheel 15 and the rotating shaft 14 are provided with kinetic energy; when the kinetic energy reaches a certain degree, the rotating shaft 14 breaks the limiting rod 19, so that the rotating shaft 14 and the gear 13 can normally rotate, and part of the limiting rod 19 broken in the limiting groove is thrown out by centrifugal force in the rotating process of the rotating shaft 14; in the rotation process of the rotating shaft 14 and the gear 13, the transmission rod 12 can normally move, namely the length of the restraining device can be changed, so that the device is suitable for the movement of the supporting plate 2, and the subsequent energy consumption and shock absorption stage can be triggered. When the limiting rod 19 breaks, the spring 20 in a compressed state pushes the hydraulic plate 18, so that the hydraulic rod 17 is driven to push the limiting rod 19 to move towards the rotating shaft 14, the spring 20 is slow in the process of recovering deformation due to acting force between hydraulic oil in the connecting cavity and the hydraulic plate 18, the moving speed of the limiting rod 19 is slowed down, and the time for inserting the limiting rod 19 into the limiting groove is longer than the earthquake time; when the earthquake is over, the limiting rod 19 is reinserted into the limiting groove under the action of the spring 20 to limit the rotation of the rotating shaft 14 and the gear 13, so that the length of the limiting device is limited to change, and the limiting of the supporting plate 2 is realized again; if the earthquake time is long, after the limiting rod 19 is inserted into the limiting groove in advance, the rotating shaft 14 breaks the limiting rod 19 again, and the spring 20 continuously pushes the limiting rod 19 to move, so that the limiting rod 19 can be reinserted into the limiting groove after the earthquake is finished.
Optionally, a coaxial thread groove is formed in the end portion, facing the rotating shaft 14, of the hydraulic rod 17, the limiting rod 19 is in threaded connection with the coaxial thread groove, an annular cutting groove 21 is formed in the limiting rod 19, and the cutting groove 21 does not extend into the limiting groove.
The limiting rod 19 is in threaded connection with the hydraulic rod 17, so that the subsequent replacement of the limiting rod 19 is facilitated, and the next use is facilitated; in addition, through setting up the shutoff groove 21, ensure the rupture position of gag lever post 19, do benefit to pivot 14 and throw out the gag lever post 19 of fracture and limit the groove.
Optionally, a plurality of energy dissipation plates 23 are fixed on the other end periphery of the rotating shaft 14, a sleeve 22 for sealing the energy dissipation plates 23 is sleeved on the rotating shaft 14, the sleeve 22 is fixed on the side wall of the constraint rod 11, and hydraulic oil is sealed in the sleeve 22.
The rotation of the rotating shaft 14 drives the energy consumption plate 23 to rotate in the hydraulic oil, thereby playing an auxiliary role in energy consumption.
Optionally, an end of the hydraulic rod 17 away from the rotating shaft 14 penetrates out of the hydraulic cavity, and a handle 24 is fixed on the end of the hydraulic rod 17 away from the rotating shaft 14.
By providing the handle 24, the compression state of the spring 20 is adjusted after the replacement of the stop lever 19 during maintenance after a shake is facilitated.
Optionally, the hydraulic energy dissipation device 9 is a hydraulic damper.
Optionally, a sand grinding layer is arranged in the concave cavity; the friction force between the arc-shaped bulge 7 and the concave cavity is improved, and the energy consumption effect is improved.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the present invention.
Claims (6)
1. The utility model provides a bridge anti-seismic support, includes the pier stud of being connected with lower part bridge structure to and the backup pad of being connected with upper portion bridge structure, its characterized in that: the pier column top is provided with a base, the upper surface of the base is provided with an arc-shaped concave cavity, a plurality of bases are distributed on the circular array of the pier column top, the base tops are respectively and spherically hinged with a first connecting rod which is obliquely arranged, the ends of the first connecting rods are respectively and spherically hinged with a second connecting rod, and torsion springs are arranged at the hinged positions; the bottom of the supporting plate is provided with arc-shaped bulges extending into the concave cavities, the circular array of the lower surface of the supporting plate is provided with a plurality of connecting parts, and the connecting parts are in spherical hinge connection with the corresponding end parts of the second connecting rods; a plurality of connecting grooves are distributed on the upper surface of the pier stud in a circular array, hydraulic energy dissipation devices are arranged in the connecting grooves, and guide rods are connected between the output ends of the hydraulic energy dissipation devices and the corresponding first connecting rods in a spherical hinge manner; a plurality of restraint devices are uniformly distributed between the base and the support plate, each restraint device comprises a hollow restraint rod, two ends of each restraint rod are respectively connected with a transmission rod in a sliding manner, two ends of each transmission rod are respectively connected with the corresponding support plate and the corresponding base in a spherical hinge manner, grooves are formed in the opposite surfaces of the adjacent transmission rods, teeth are formed in the opposite surfaces of the grooves, a rotating shaft is rotationally connected to the restraint rods, two ends of each rotating shaft penetrate out of each restraint rod, and transmission gears meshed with the teeth on two sides are fixed on the rotating shafts; an annular base coaxial with the rotating shaft is fixed on the side wall of the constraint rod, a plurality of connecting cavities are formed in the annular base, hydraulic rods are connected in the connecting cavities in a sliding mode, one end of each hydraulic rod, which faces the rotating shaft, penetrates out of the annular base, limiting rods are arranged on the end portions of the hydraulic rods, and a plurality of limiting grooves corresponding to the limiting rods are formed in the peripheral sides of the end portions of the rotating shaft; the hydraulic rod is fixedly provided with a hydraulic plate, a gap is reserved between the hydraulic plate and the cavity wall of the connecting cavity, springs after compression are fixedly arranged between the hydraulic plate and the connecting cavity, and hydraulic oil is sealed in the hydraulic cavity.
2. A bridge anti-seismic support according to claim 1, wherein: the hydraulic rod is provided with a coaxial thread groove towards the end part of the rotating shaft, the limiting rod is in threaded connection with the thread groove, the limiting rod is provided with an annular cutting groove, and the cutting groove does not extend into the limiting groove.
3. A bridge anti-seismic support according to claim 2, wherein: the other end circumference side of pivot is fixed with a plurality of power consumption boards, the cover is equipped with the sleeve of sealed power consumption board on the pivot, and the sleeve is fixed in on the restraint pole lateral wall, and the sleeve is sealed to have hydraulic oil.
4. A bridge anti-vibration support according to claim 3, wherein: the hydraulic cavity is worn out to the one end that the pivot was kept away from to the hydraulic rod, is fixed with the handle on the tip that the pivot was kept away from to the hydraulic rod.
5. A bridge anti-seismic support according to claim 4, wherein: the hydraulic energy consumption device is a hydraulic damper.
6. A bridge anti-seismic support according to claim 5, wherein: and a sand grinding layer is arranged in the concave cavity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021110417707 | 2021-09-07 | ||
| CN202111041770 | 2021-09-07 |
Publications (2)
| Publication Number | Publication Date |
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| CN113914208A CN113914208A (en) | 2022-01-11 |
| CN113914208B true CN113914208B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111370506.8A Active CN113914208B (en) | 2021-09-07 | 2021-11-18 | Bridge anti-seismic support |
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| CN (1) | CN113914208B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100851245B1 (en) * | 2008-04-10 | 2008-08-08 | (주)한국건설안전진단 | Safety diagnosis apparatus for bridge-seat of bridge |
| CN101962934A (en) * | 2010-09-28 | 2011-02-02 | 成都市新筑路桥机械股份有限公司 | One-way movable damper for bridge |
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| JP2003239221A (en) * | 2002-02-18 | 2003-08-27 | Toyo Tire & Rubber Co Ltd | Bearing device and slide bearing device |
| CN108468269A (en) * | 2018-04-12 | 2018-08-31 | 淄博正邦知识产权企划有限公司 | A kind of bridge antidetonation pedestal and its anti-shock methods |
| CN109235249B (en) * | 2018-11-14 | 2024-03-08 | 中铁二院工程集团有限责任公司 | Spherical steel support with energy dissipation members |
| CN209428939U (en) * | 2018-12-24 | 2019-09-24 | 四川交科工程勘察设计有限公司 | A kind of bridge pad |
| KR102218533B1 (en) * | 2019-09-16 | 2021-02-22 | 박정민 | pillar structure |
| CN211947921U (en) * | 2019-09-16 | 2020-11-17 | 皖西学院 | Bridge anti-seismic support and bridge comprising same |
| CN211341255U (en) * | 2019-12-18 | 2020-08-25 | 常熟市双惠路桥工程构件有限公司 | Combined shock insulation rubber support |
| CN111827098B (en) * | 2020-06-24 | 2021-06-25 | 中国地质大学（武汉） | Trigger type limited negative stiffness high-strength spring damping support |
| CN111636298B (en) * | 2020-07-14 | 2021-09-24 | 河北宝力工程装备股份有限公司 | Road and bridge support |
| CN111809763A (en) * | 2020-08-03 | 2020-10-23 | 浙江卓宏建设项目管理有限公司诸暨分公司 | A antidetonation support for building engineering |
| CN213653836U (en) * | 2020-09-02 | 2021-07-09 | 蔡天豪 | Prevent turning round viscous damping wall that changes shape |
| CN213978552U (en) * | 2020-10-20 | 2021-08-17 | 成都市新筑路桥机械股份有限公司 | Mechanical locking friction pendulum vibration reduction and isolation support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100851245B1 (en) * | 2008-04-10 | 2008-08-08 | (주)한국건설안전진단 | Safety diagnosis apparatus for bridge-seat of bridge |
| CN101962934A (en) * | 2010-09-28 | 2011-02-02 | 成都市新筑路桥机械股份有限公司 | One-way movable damper for bridge |
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| CN113914208A (en) | 2022-01-11 |
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