CN111877137B - Anti-seismic bridge pier structure - Google Patents
Anti-seismic bridge pier structure Download PDFInfo
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- CN111877137B CN111877137B CN202010683501.XA CN202010683501A CN111877137B CN 111877137 B CN111877137 B CN 111877137B CN 202010683501 A CN202010683501 A CN 202010683501A CN 111877137 B CN111877137 B CN 111877137B
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention belongs to the field of bridges, and particularly relates to an anti-seismic bridge pier structure, wherein a mounting cover is fixedly arranged at the top of a bottom plate, a support plate is connected in the mounting cover in a sliding manner, two support columns are symmetrically and fixedly arranged at the bottom of the support plate, two sliding covers are symmetrically and fixedly arranged on the inner wall of the bottom of the mounting cover, two sliding plates are symmetrically and slidably connected on the sliding covers, the same arc-shaped steel plate is fixedly arranged on the two sliding plates, the two support columns respectively penetrate through the two arc-shaped steel plates and are respectively and fixedly connected with the two arc-shaped steel plates, the support columns are respectively in transmission connection with the two sliding plates, a fixed column is fixedly arranged at the top of the support plate, and by mounting a bridge plate on a clamping cover, two-stage shock absorption can be realized on the bridge plate, so that the anti-seismic performance can be enhanced, the safety is good, and the service life of the bridge is further prolonged in the use process of the bridge, therefore, the method has good market promotion prospect.
Description
Technical Field
The invention belongs to the technical field of bridges, and relates to an anti-seismic bridge pier structure.
Background
People's travel gradually develops from former walking to a series of roads of transportation means such as automobiles, trains, airplanes, ships and the like, corresponding roads, railways and the like, and gradually develops from road surface construction to air construction in the development process, under the condition, the role of the bridge is more important, because in the long-distance road construction, rivers, valleys and the like are frequently crossed, the roads are required to be communicated through the bridge, in the bridge construction, the bridge support is an important component for connecting and restraining upper and lower structures of the bridge, the bridge support is an indispensable part for the bearing of the bridge, under the strong shock action, the bridge structure mostly generates large relative displacement between the upper, lower, left and right structures, the structural damage of the bridge is easy to cause, the traffic is interrupted, great difficulty is brought to disaster relief work, and great loss is caused, the existing bridge has more material consumption, high transportation and installation cost and poor anti-seismic effect.
Present bridge pier does not have corresponding damper after the installation, causes to use in the later stage when dealing with stronger pressure or earthquake, will cause the damage easily, and then can influence the safety of bridge, so we provide a self-adaptation strong, simple structure is stable, simple to operate's antidetonation bridge pier structure.
Disclosure of Invention
In view of the above, the present invention provides an anti-seismic bridge pier structure, which solves the problem that after the pier is installed, there is no corresponding damping mechanism, so that when the pier is used in the later period to cope with a strong pressure or an earthquake, the pier is easily damaged, and further the safety of the bridge is affected.
In order to achieve the purpose, the invention provides an anti-seismic bridge pier structure which comprises a bottom plate, wherein an installation cover is fixedly installed at the top of the bottom plate, a support plate is connected in the installation cover in a sliding manner, two support columns are symmetrically and fixedly installed at the bottom of the support plate, two sliding covers are symmetrically and fixedly installed on the inner wall of the bottom of the installation cover, two sliding plates are symmetrically and slidably connected on the sliding covers, the same arc-shaped steel plate is fixedly installed on the two sliding plates, the two support columns respectively penetrate through the two arc-shaped steel plates and are respectively and fixedly connected with the two arc-shaped steel plates, and the support columns are respectively in transmission connection with the two sliding plates;
the top fixed mounting of backup pad has the fixed column, and the top of fixed column extends to the top of installation cover and has seted up the spread groove, equal sliding connection has the removal cover on the both sides inner wall of spread groove, and two top fixed mounting who removes the cover have same trunnion ring, the top of trunnion ring clamps the card cover, and the top of card cover extends to the top of fixed column and fixed mounting has spacing cover, the connecting plate is equipped with to spacing cover inside callipers, and the top of connecting plate extends to the top and fixed mounting of spacing cover has the bridgeboard, fixed mounting has the erection column on the bottom inner wall of spread groove, and the top symmetry of erection column rotates and is connected with two dwangs, it has the screw thread post to remove the cover female connection, the one end that two screw thread posts are close to each other all extends to in the spread groove and rotates with two dwangs respectively and is connected.
The beneficial effect of this basic scheme lies in: through installing the bridge plate on the card cover, can realize carrying out the two-stage shock attenuation to the bridge plate this moment to this can strengthen anti-seismic performance in the bridge use, has good security, and the life of further extension bridge, so have good marketing prospect.
Further, fixed mounting has the support cover on the bottom inner wall of sliding housing, and the bottom of support column extends to in the support cover and symmetry rotation is connected with two push rods, and the one end that two push rods kept away from each other extends to the both sides of support cover respectively and rotates with two slides respectively and be connected. Has the advantages that: can slide spacing to the support column to when the support column was at longitudinal movement, can drive two slides and remove.
Further, symmetry fixed mounting has two inclined plane boards on the bottom inner wall of sliding closure, and the bottom fixed mounting of slide has the spliced pole, and the slip cap is equipped with the collar on the spliced pole, and one side of collar is rotated and is connected with the gyro wheel, and two gyro wheels respectively with the inclined plane rolling contact on two inclined plane boards, the cover is equipped with the compression spring who is located the collar top on the spliced pole, and the top and the bottom of compression spring respectively with the bottom of slide and the top fixed connection of collar. Has the advantages that: the sliding plate can be supported in a sliding way.
Further, equal fixed mounting has the connecting cover on the both sides inner wall of spread groove, and two remove the cover respectively with two connecting cover sliding connection, it is connected with the screw thread cover to remove the cover internal rotation, and the one end that two screw thread posts kept away from each other extends to in two screw thread covers respectively and with two screw thread cover threaded connection respectively. Has the advantages that: the threaded column can be driven to move when the movable cover moves downwards.
Further, fixed mounting has the rack on the inner wall of one side of connecting cover, and one side fixed mounting of screw thread cover has the transmission shaft, and the one end of transmission shaft extends to in the connecting cover and fixed mounting has the gear, and gear and rack mesh mutually, and the cover is equipped with the torque spring who is located the removal cover on the transmission shaft, and torque spring's both ends respectively with the one side inner wall of removal cover and one side fixed connection of screw thread cover. Has the advantages that: the card cage can be elastically supported.
Further, the sliding sleeve is equipped with the shift ring on the erection column, and the equal fixed mounting in both sides of shift ring has the buffering cover, and sliding connection has the buffer beam on the inner wall of buffering cover, and the one end that two buffer beams kept away from each other all extends to in the card cover and rotates with two dwang respectively and be connected. Has the advantages that: the rotating rod can be rotated and limited.
Furthermore, a return spring is fixedly mounted on the inner wall of one side of the buffer cover, and two ends of the return spring are fixedly connected with the buffer rod and the inner wall of one side of the buffer cover respectively. Has the advantages that: the card cage can be elastically supported.
Further, a plurality of thread grooves are formed in the two sides of the connecting plate at equal intervals, and the plurality of screw rods extend into the plurality of thread grooves respectively and are in threaded connection with the plurality of thread grooves respectively. Has the advantages that: the bridge plate can be fixedly installed.
Further, a reinforcement cage is fixedly installed at the bottom of the bottom plate. Has the advantages that: can realize installing under the surface of water steadily this device.
The invention has the beneficial effects that:
1. the invention discloses an anti-seismic bridge pier structure, wherein a bridge plate is placed on a clamping cover, the gravity of the bridge plate drives the clamping cover to move downwards, so that two movable covers can be driven to move downwards, a threaded cover can be driven to rotate when the movable covers move downwards, a threaded column can be driven to move when the threaded covers rotate, a rotating rod can be driven to rotate downwards, two movable rings can move downwards at the time, two buffer rods can approach each other, so that a torsion spring and a return spring can be respectively in a stressed and compressed state when the movable covers and the buffer rods move, when a threaded groove on a connecting plate corresponds to a screw rod on a fixed plate, the sum of the elastic forces of the torsion spring and the return spring can be equal to the gravity of the bridge plate, and then the two clamping rods can be pushed to clamp the clamping cover, and the screw rod is rotated to be in threaded connection with the thread groove, so that the bridge plate can be installed on the clamping cover.
2. After the bridge plate is installed on the clamping cover, the torsion spring, the reset spring and the two support columns are in a stressed state, the torsion spring and the reset spring can form primary shock absorption buffering for the bridge plate, and after the shock is transmitted to the support columns, the support columns tend to move downwards, so that the two sliding plates can be driven by the two push rods to be away from each other, the arc-shaped steel plate can be in a stressed state, the connecting columns can be driven to move when the sliding plates move, the rollers roll upwards along the inclined plate, the pressure can be applied to the compression spring through the mounting ring, and secondary shock absorption is provided for the bridge plate through the sum of the elastic forces of the arc-shaped steel plate and the compression spring.
3. According to the anti-seismic bridge pier structure disclosed by the invention, the bridge plates are arranged on the clamping covers, so that two-stage shock absorption can be realized on the bridge plates, the anti-seismic performance can be enhanced in the use process of the bridge, the anti-seismic bridge pier structure has good safety, the service life of the bridge is further prolonged, and the anti-seismic bridge pier structure has good market popularization prospect.
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
FIG. 1 is a schematic view of an internal structure of an earthquake-resistant bridge pier structure according to the present invention;
FIG. 2 is a schematic view of a connection structure of a bridge plate and a limit cover in an anti-seismic bridge pier structure according to the invention;
FIG. 3 is an assembly drawing of a sliding cover and a supporting column in the anti-seismic bridge pier structure of the invention;
FIG. 4 is a connection diagram of a connection cover and a movable cover in the pier structure of the anti-seismic bridge;
fig. 5 is a schematic view of a moving ring structure in a pier structure of an anti-seismic bridge.
The drawings are numbered as follows: the steel bar cage comprises a base plate 1, a steel bar cage 2, an installation cover 3, a support plate 4, a sliding cover 5, a support cover 6, a support column 7, a fixed column 8, a connecting groove 9, a connecting cover 10, a movable cover 11, an installation column 12, a rotating rod 13, a movable ring 14, a clamping rod 15, a clamping cover 16, a limiting cover 17, a fixed plate 18, a bridge plate 19, a supporting ring 20, a connecting plate 21, a threaded groove 22, a screw rod 23, a sliding plate 24, a steel plate 25 in an arc shape, a push rod 26, a connecting ring 27, a compression spring 28, a roller 29, a bevel plate 30, a threaded cover 31, a torsion spring 32, a gear 33, a threaded column 34, a rack 35, a buffer cover 36, a buffer rod 37 and a reset spring 38.
Detailed Description
The following is further detailed by way of specific embodiments:
1-5, including bottom plate 1, the top fixed mounting of bottom plate 1 has installation cover 3, sliding connection has backup pad 4 in installation cover 3, and the bottom symmetry fixed mounting of backup pad 4 has two support columns 7, symmetry fixed mounting has two sliding covers 5 on the bottom inner wall of installation cover 3, and symmetrical sliding connection has two slides 24 on sliding cover 5, fixed mounting has same camber steel sheet 25 on two slides 24, and two support columns 7 run through two camber steel sheets 25 respectively and respectively with two camber steel sheets 25 fixed connection, support column 7 is connected with two slides 24 transmission respectively.
A fixed column 8 is fixedly arranged at the top of the supporting plate 4, the top end of the fixed column 8 extends to the upper part of the mounting cover 3 and is provided with a connecting groove 9, the inner walls at the two sides of the connecting groove 9 are both connected with a movable cover 11 in a sliding way, and the same supporting ring 20 is fixedly arranged at the top of the two movable covers 11, the clamping cover 16 is clamped at the top of the supporting ring 20, the top of the clamping cover 16 extends to the upper part of the fixed column 8 and is fixedly provided with a limit cover 17, a connecting plate 21 is clamped in the limit cover 17, the top of the connecting plate 21 extends to the upper part of the limit cover 17 and is fixedly provided with a bridge plate 19, the inner wall of the bottom of the connecting groove 9 is fixedly provided with a mounting column 12, and the top symmetry of erection column 12 is rotated and is connected with two dwang 13, removes 11 female connection of cover and has screw thread post 34, and the one end that two screw thread posts 34 are close to each other all extends to in the spread groove 9 and is connected with two dwang 13 rotations respectively.
According to the invention, the bridge plate 19 is arranged on the clamping cover 16, so that two-stage shock absorption can be realized on the bridge plate 19, the shock resistance can be enhanced in the use process of the bridge, the safety is good, the service life of the bridge is prolonged, and the market popularization prospect is good.
In the invention, the inner wall of the bottom of the sliding cover 5 is fixedly provided with the supporting cover 6, the bottom end of the supporting column 7 extends into the supporting cover 6 and is symmetrically and rotatably connected with two push rods 26, one ends of the two push rods 26, which are far away from each other, extend to two sides of the supporting cover 6 respectively and are rotatably connected with the two sliding plates 24 respectively, the supporting column 7 can be limited in a sliding manner, and the two sliding plates 24 can be driven to move when the supporting column 7 moves longitudinally.
In the invention, two inclined plane plates 30 are symmetrically and fixedly arranged on the inner wall of the bottom of the sliding cover 5, a connecting column is fixedly arranged at the bottom of the sliding plate 24, a mounting ring is sleeved on the connecting column in a sliding manner, one side of the mounting ring is rotatably connected with a roller 29, the two rollers 29 are respectively in rolling contact with the inclined planes on the two inclined plane plates 30, a compression spring 28 positioned above the mounting ring is sleeved on the connecting column, and the top end and the bottom end of the compression spring 28 are respectively and fixedly connected with the bottom of the sliding plate 24 and the top of the mounting ring, so that the sliding plate 24 can be supported in.
In the invention, the inner walls of two sides of the connecting groove 9 are both fixedly provided with the connecting covers 10, the two movable covers 11 are respectively connected with the two connecting covers 10 in a sliding manner, the movable covers 11 are internally and rotatably connected with the threaded covers 31, and the ends, far away from each other, of the two threaded columns 34 respectively extend into the two threaded covers 31 and are respectively in threaded connection with the two threaded covers 31, so that the threaded columns 34 can be driven to move when the movable covers 11 move downwards.
In the invention, a rack 35 is fixedly arranged on the inner wall of one side of the connecting cover 10, a transmission shaft is fixedly arranged on one side of the threaded cover 31, one end of the transmission shaft extends into the connecting cover 10 and is fixedly provided with a gear 33, the gear 33 is meshed with the rack 35, a torsion spring 32 positioned in the movable cover 11 is sleeved on the transmission shaft, two ends of the torsion spring 32 are respectively and fixedly connected with the inner wall of one side of the movable cover 11 and one side of the threaded cover 31, and the torsion spring 32 is helpful for elastically supporting the card cover 16.
In the invention, the mounting column 12 is slidably sleeved with the moving ring 14, the two sides of the moving ring 14 are both fixedly provided with the buffer covers 36, the inner walls of the buffer covers 36 are slidably connected with the buffer rods 37, and the ends of the two buffer rods 37 far away from each other extend into the clamping covers 16 and are respectively rotatably connected with the two rotating rods 13, so that the rotating rods 13 can be rotatably limited.
In the present invention, a return spring 38 is fixedly mounted on an inner wall of one side of the buffer cover 36, and two ends of the return spring 38 are respectively fixedly connected with the buffer rod 37 and the inner wall of one side of the buffer cover 36, and the return spring 38 can elastically support the card cover 16.
In the invention, a plurality of thread grooves 22 are arranged on two sides of the connecting plate 21 at equal intervals, a plurality of screws 23 respectively extend into the thread grooves 22 and are respectively in threaded connection with the thread grooves 22, and the fixed installation of the bridge plate 19 can be realized by the matching of the screws 23 and the thread grooves 22.
According to the invention, the bottom of the bottom plate 1 is fixedly provided with the reinforcement cage 2, so that the device can be stably arranged under the water surface.
The method for using the anti-seismic bridge pier structure comprises the steps of placing the bridge plate 19 on the clamping cover 16, and the connecting plate 21 is matched with the limit cover 17, at this time, the gravity of the bridge plate 19 drives the clamping cover 16 to move downwards, and drives the two movable covers 11 to move downwards, when the movable cover 11 moves downwards, the mounting shaft can be driven to rotate through the meshing transmission of the gear 33 and the rack 35, the mounting shaft can drive the screw cap 31 to rotate when rotating, the screw post 34 can be driven to move when the screw cap 31 rotates, the rotating rod 13 is driven to rotate downwards, and the two moving rings 14 can be moved downwards, and the two buffer rods 37 can be moved close to each other, the torsion spring 32 and the return spring 38 can be forced to be compressed when the moving cover 11 and the buffer rod 37 move.
When the thread groove 22 on the connecting plate 21 corresponds to the screw 23 on the fixing plate 18, the sum of the elastic forces of the torsion spring 32 and the return spring 38 can be equal to the weight of the bridge plate 19, then the two clamping rods 15 can be pushed to clamp the clamping cover 16, and the screw 23 and the thread groove 22 are rotated, so that the bridge plate 19 can be installed on the clamping cover 16, after the bridge plate 19 is installed on the clamping cover 16, the torsion spring 32, the return spring 38 and the two supporting columns 7 are in a stressed state, the torsion spring 32 and the return spring 38 can form a primary shock absorption buffer for the bridge plate 19, and after the vibration is transmitted to the supporting columns 7, the supporting columns 7 have a downward moving tendency, so that the two sliding plates 24 can be driven by the two push rods 26 to move away from each other, so that the arc-shaped steel plate 25 can be in a stressed state, and when the slide plate 24 moved, can drive the spliced pole and remove, gyro wheel 29 upwards rolled along inclined plane board 30 this moment to this accessible collar exerts pressure to compression spring 28, can provide the second grade shock attenuation for bridge plate 19 at the spring sum of camber steel sheet 25 and compression spring 28 this moment, consequently at the mode of carrying out the two-stage shock attenuation to bridge plate 19, can strengthen anti-seismic performance in the bridge use, have good security, and the further life who prolongs the bridge, so good marketing prospect has.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (5)
1. The utility model provides an antidetonation bridge pier structure, includes bottom plate (1), a serial communication port, the top fixed mounting of bottom plate (1) has installation cover (3), sliding connection has backup pad (4) in installation cover (3), and the bottom symmetry fixed mounting of backup pad (4) has two support columns (7), the symmetry fixed mounting has two sliding closure (5) on the bottom inner wall of installation cover (3), and symmetrical sliding connection has two slide (24) on sliding closure (5), fixed mounting has same camber steel sheet (25) on two slide (24), and two support columns (7) run through two camber steel sheet (25) respectively and respectively with two camber steel sheet (25) fixed connection, support column (7) are connected with two slide (24) transmission respectively, the symmetry fixed mounting has two inclined plane boards (30) on the bottom inner wall of sliding closure (5), a connecting column is fixedly installed at the bottom of the sliding plate (24), a mounting ring is slidably sleeved on the connecting column, one side of the mounting ring is rotatably connected with a roller (29), the two rollers (29) are respectively in rolling contact with inclined surfaces on the two inclined surface plates (30), a compression spring (28) positioned above the mounting ring is sleeved on the connecting column, and the top end and the bottom end of the compression spring (28) are respectively and fixedly connected with the bottom of the sliding plate (24) and the top of the mounting ring;
the top of the supporting plate (4) is fixedly provided with a fixed column (8), the top end of the fixed column (8) extends to the upper part of the mounting cover (3) and is provided with a connecting groove (9), the inner walls of the two sides of the connecting groove (9) are both connected with a movable cover (11) in a sliding manner, the top parts of the two movable covers (11) are fixedly provided with the same supporting ring (20), the top part of the supporting ring (20) is clamped with a clamping cover (16), the top part of the clamping cover (16) extends to the upper part of the fixed column (8) and is fixedly provided with a limiting cover (17), a connecting plate (21) is clamped in the limiting cover (17), the top part of the connecting plate (21) extends to the upper part of the limiting cover (17) and is fixedly provided with a bridge plate (19), the inner wall of the bottom part of the connecting groove (9) is fixedly provided with a mounting column (12), and the top end of the mounting column (12) is symmetrically and rotatably connected with two rotating rods (13), threaded columns (34) are connected with the inner threads of the movable cover (11), and one ends, close to each other, of the two threaded columns (34) extend into the connecting groove (9) and are respectively in rotating connection with the two rotating rods (13);
the connecting cover (10) is fixedly mounted on the inner walls of two sides of the connecting groove (9), the two movable covers (11) are respectively connected with the two connecting covers (10) in a sliding manner, the movable covers (11) are internally and rotatably connected with the threaded covers (31), one ends of the two threaded columns (34) which are far away from each other are respectively extended into the two threaded covers (31) and are respectively in threaded connection with the two threaded covers (31), a rack (35) is fixedly mounted on the inner wall of one side of each connecting cover (10), a transmission shaft is fixedly mounted on one side of each threaded cover (31), one end of the transmission shaft is extended into each connecting cover (10) and is fixedly mounted with a gear (33), the gear (33) is meshed with the rack (35), a torsion spring (32) located in the movable cover (11) is sleeved on the transmission shaft, and two ends of the torsion spring (32) are respectively and fixedly connected with the inner wall of one side of the movable cover (11) and one side of each threaded cover (31), the slip cap is equipped with shift ring (14) on erection column (12), and the equal fixed mounting in both sides of shift ring (14) has buffer housing (36), and sliding connection has buffer beam (37) on the inner wall of buffer housing (36), and the one end that two buffer beams (37) kept away from each other all extends to in card cover (16) and rotates with two dwang (13) respectively and be connected, fixed mounting has reset spring (38) on one side inner wall of buffer housing (36), and the both ends of reset spring (38) respectively with one side inner wall fixed connection of buffer beam (37) and buffer housing (36).
2. An anti-seismic bridge pier structure according to claim 1, wherein the inner wall of the bottom of the sliding cover (5) is fixedly provided with a supporting cover (6), the bottom ends of the supporting columns (7) extend into the supporting cover (6) and are symmetrically and rotatably connected with two push rods (26), and the ends, far away from each other, of the two push rods (26) respectively extend to the two sides of the supporting cover (6) and are respectively and rotatably connected with the two sliding plates (24).
3. An anti-seismic bridge pier structure according to claim 1, wherein the bottom inner wall of the connecting groove (9) is symmetrically and slidably connected with two clamping rods (15), clamping plates are fixedly mounted on the sides, close to each other, of the two clamping rods (15), clamping plates are clamped with the clamping cover (16), a fixing plate (18) is fixedly mounted on the top of the side, close to each other, of the two clamping rods (15), a screw rod (23) is rotatably connected to the fixing plate (18) at equal intervals, and one end of each screw rod (23) extends into the limiting cover (17) and is in threaded connection with the connecting plate (21).
4. An earthquake-resistant bridge pier structure according to claim 3, wherein a plurality of thread grooves (22) are formed in both sides of the connecting plate (21) at equal intervals, and a plurality of screws (23) respectively extend into the plurality of thread grooves (22) and are respectively in threaded connection with the plurality of thread grooves (22).
5. An earthquake-resistant bridge pier structure according to claim 1, wherein a reinforcement cage (2) is fixedly installed at the bottom of the bottom plate (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010683501.XA CN111877137B (en) | 2020-07-16 | 2020-07-16 | Anti-seismic bridge pier structure |
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| CN202010683501.XA CN111877137B (en) | 2020-07-16 | 2020-07-16 | Anti-seismic bridge pier structure |
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| CN111877137B true CN111877137B (en) | 2021-09-07 |
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| CN112227184A (en) * | 2020-11-20 | 2021-01-15 | 温州顺启建筑有限公司 | Anti-falling beam shock isolation device convenient for seismic resistance of bridge |
| CN112227185A (en) * | 2020-11-20 | 2021-01-15 | 温州顺启建筑有限公司 | Beam falling prevention device based on bridge body shock absorption |
| CN112482204A (en) * | 2020-11-23 | 2021-03-12 | 温州方舵建筑有限公司 | Bridge shock insulation buffer structure |
| CN112376411B (en) * | 2020-11-23 | 2021-09-21 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock-absorbing function |
| CN112726386B (en) * | 2020-12-24 | 2022-06-10 | 中交路桥建设有限公司 | Highway bridge vibration/noise reduction device |
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| CN105350675A (en) * | 2015-10-05 | 2016-02-24 | 上海大学 | Vertical seismic isolation apparatus |
| CN109056505A (en) * | 2018-09-27 | 2018-12-21 | 北方民族大学 | A kind of bridge earthquake resistance limiting device being convenient for changing |
| CN109371829A (en) * | 2018-12-26 | 2019-02-22 | 杨胜 | A kind of High Performance Insulation damping bridge pad |
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