CN111851279B - Bridge plate anti-seismic device - Google Patents
Bridge plate anti-seismic device Download PDFInfo
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- CN111851279B CN111851279B CN202010793526.5A CN202010793526A CN111851279B CN 111851279 B CN111851279 B CN 111851279B CN 202010793526 A CN202010793526 A CN 202010793526A CN 111851279 B CN111851279 B CN 111851279B
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- 230000035939 shock Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 26
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge construction, and discloses a bridge plate anti-seismic device which comprises a bridge plate arranged on a pier and an anti-seismic mechanism arranged between the bridge plate and the pier, wherein the anti-seismic mechanism comprises a mounting plate, a supporting plate and a plurality of supporting assemblies, a movable plate and a telescopic rod assembly are further arranged between the mounting plate and the supporting plate, a first jacking rod is arranged on one side, corresponding to the movable plate, of the supporting plate, and a second jacking rod is arranged on the movable plate. The plurality of support components are arranged, so that the support plates can be supported, and the longitudinal shock absorption of the bridge bearing can be realized; through setting up the telescopic rod subassembly to be equipped with first ejector pin of supporting in the backup pad, be equipped with the second on the fly leaf and support the ejector pin, when first ejector pin and second support the ejector pin looks butt, can realize the horizontal shock attenuation to the bridge plate this moment, wholly improved the damping performance of bridge plate, improved the life of bridge plate.
Description
Technical Field
The invention relates to the technical field of bridge construction, and particularly discloses a bridge plate anti-seismic device.
Background
The bridge bearing is a force transmission component between a bridge span structure and a pier or a bridge abutment, and needs to be tightly contacted with a main beam in the use process, otherwise, the preset aim of force transmission cannot be achieved. At present, on the highway and municipal engineering, especially, the viaduct adopts structures such as hollow plates, small boxes and the like, and the bridge structures generally adopt plate type rubber supports. However, the support is poor in anti-seismic performance in the using process, when the foundation is affected by factors such as vibration, heavy load of the beam plate, uneven stress and the like, the beam plate can shake relative to the joint of the support, and the beam plate and the support are disconnected in a long time, so that great damage is caused to a bridge structure, and the service life of the whole bridge is shortened seriously.
Disclosure of Invention
In view of this, the invention aims to provide an anti-seismic device for a bridge slab, which aims to solve the technical problem that the service life of a bridge is affected due to poor anti-seismic performance of the existing bridge slab.
In order to achieve the purpose, the invention provides the following technical scheme: bridge slab antidetonation device, including set up the bridge slab on the pier and set up in the bridge slab with antidetonation mechanism between the pier, antidetonation mechanism including fixed set up in mounting panel on the pier, be used for with the backup pad that the bridge slab supported and set up in be used for elastic support on the mounting panel the backup pad is in order to realize a plurality of supporting components of vertical absorbing, the mounting panel with still be equipped with the fly leaf between the backup pad and be used for supporting and drive the telescopic rod subassembly that the fly leaf goes up and down, the backup pad corresponds one side of fly leaf sets up a plurality of first ejector pins that have first bellied, be equipped with on the fly leaf be used for with first arch supports the cooperation and supports the ejector pin in order to realize horizontal absorbing second.
Preferably, the supporting component including set up in bottom plate on the mounting panel, set up in montant on the bottom plate, set up in the backup pad is just right the spliced pole of bottom plate one side and be used for with the montant with the transition pole that the spliced pole is connected, the transition pole upper end through the round pin axle with the spliced pole is connected, the lower extreme activity of transition pole is inserted on the montant, still the cover is equipped with the elastic component on the transition pole, the one end of elastic component with bottom plate looks butt, the other end of elastic component with transition pole looks butt.
Preferably, the upper end of transition pole is equipped with the boss, offer on the spliced pole and be used for the holding the opening of boss, the clearing hole has been seted up on the open-ended both sides wall, the boss corresponds the passing hole position has been seted up the through hole, the round pin axle insert in the clearing hole with in the through hole.
Preferably, the lower extreme of transition pole is equipped with inside hollow inserted bar and set up in the inserted bar is kept away from the fender platform of elastic component one end, the diameter that keeps off the platform is greater than the diameter of inserted bar, the other end of elastic component support in keep off on the platform.
Preferably, the telescopic rod assembly includes a base disposed on the bottom plate, a telescopic rod disposed in the base and formed by combining a plurality of sub-rods, and a pushing member mounted on the bottom plate and used for pushing the telescopic rod to extend and retract, the base is provided with a channel for connecting the pushing member and the telescopic rod, the base is further provided with a distance sensor for monitoring a distance between the connecting plate and the movable plate, and the distance sensor is electrically connected to the pushing member.
Preferably, the number of the supporting components is two, and each supporting component is respectively distributed on two sides of the supporting plate.
Preferably, the inner wall of one side of the first abutting rod is provided with a plurality of first bulges, and the second abutting rod is provided with a plurality of second bulges which correspond to the first bulges one to one.
Preferably, the supporting plate and the movable plate are rectangular, the first abutting rods are respectively arranged on the supporting plate along the length direction and the width direction of the supporting plate, and the second abutting rods are respectively arranged on the movable plate along the length direction and the width direction of the movable plate in a one-to-one correspondence with the first abutting rods.
Preferably, the first protrusion and the second protrusion are arranged in a triangle.
The working principle and the beneficial effects of the scheme are as follows: compared with the prior art, the anti-seismic device for the bridge plate is provided with the anti-seismic mechanism between the bridge plate and the pier, namely a plurality of support components, so that the support plates can be supported, and the longitudinal shock absorption of the bridge plate can be realized; through setting up the telescopic link subassembly to be equipped with first ejector pin that supports in the backup pad, be equipped with the second on the fly leaf and support the ejector pin, when first ejector pin that supports the pole looks butt with the second, can realize the horizontal shock attenuation to the bridge slab this moment, thereby improved the shock attenuation performance of bridge slab, improved the life of bridge.
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 front view of a bridge plate seismic resistance device according to an embodiment of the present invention;
fig. 2 is a perspective structural view of a bridge plate seismic resistant device according to an embodiment of the present invention;
fig. 3 is an exploded view of an anti-seismic device for a bridge plate according to an embodiment of the present invention;
FIG. 4 is an exploded view of a seismic mechanism according to an embodiment of the present invention;
fig. 5 is a top view of the movable plate and the first supporting rod according to the embodiment of the present invention;
fig. 6 is a structural diagram of mutual abutting of the first abutting rod and the second abutting rod according to the embodiment of the present invention.
The drawings are numbered as follows:
1-1-a bridge plate;
2-bridge pier;
3-an anti-seismic mechanism; 31-a mounting plate; 32-a support plate; 33-a support assembly; 331-a base plate; 332-a vertical rod; 333-connecting column; 3330-opening; 334-a transition bar; 335-a pin shaft; 336-a resilient member; 337-a boss; 338-bayonet; 339-stop table; 34-a movable plate; 35-a telescopic rod assembly; 351-base; 352-a telescopic rod; 353-a distance sensor;
4-a first propping rod; 41-a first projection;
5-a second jacking rod; 51-second projection.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1 to 6, the present embodiment provides an anti-seismic device for a bridge slab, comprising a bridge slab 1 disposed on a bridge pier 2, the bridge pier 2 can support the bridge slab 1, an anti-seismic mechanism 3 is disposed between the bridge slab 1 and the bridge pier 2, the anti-seismic mechanism 3 comprises a mounting plate 31 and a supporting plate 32, the mounting plate 31 is fixedly disposed on the bridge pier 2, the supporting plate 32 abuts against the bridge slab 1, a plurality of supporting members 33 are disposed on the mounting plate 31, each supporting member 33 can be used for elastically supporting the supporting plate 32 and can achieve longitudinal shock absorption, a movable plate 34 and a telescopic rod assembly 35 are disposed between the mounting plate 31 and the supporting plate 32, the telescopic rod assembly 35 can drive the movable plate 34 to move up and down, in addition, a plurality of first supporting rods 4 with first protrusions 41 are disposed on a side of the supporting plate 32 corresponding to the movable plate 34, a second supporting rod 5 is disposed on the movable plate 34, the second propping rod 5 can be propped and matched with the first bulge 41 to realize transverse shock absorption. Thus, by providing the anti-seismic mechanism 3 between the bridge plate 1 and the pier 2, that is, by providing the plurality of support members 33, the support plate 32 can be supported and the longitudinal shock of the bridge plate 1 can be absorbed; through setting up telescopic link assembly 35 to be equipped with first supporting rod 4 in backup pad 32, be equipped with second supporting rod 5 on fly leaf 34, when first supporting rod 4 and second supporting rod 5 looks butt, can realize the horizontal shock attenuation to bridge plate 1 this moment, thereby improved bridge plate 1's damping performance, improved the life of bridge.
In the present invention, the working principle of the anti-vibration mechanism 3 is as follows:
when the bridge plate 1 is vibrated, the anti-vibration mechanism 3 can decompose the vibration force into a longitudinal force and a transverse force, at the moment, the longitudinal force can press down the support plate 32, the support plate 32 transmits the longitudinal force to the support assemblies 33 and is absorbed, meanwhile, the pressed support plate 32 can move towards the direction close to the movable plate 34, when the first supporting rod 4 is contacted with the second supporting rod 5, the transverse force can be transmitted to the first supporting rod 4 and the second supporting rod 5, and the first supporting rod 4 and the second supporting rod 5 are mutually supported and matched, so that the transverse force can be prevented from vibrating the bridge plate 1, the anti-vibration performance of the bridge plate 1 is improved, the phenomenon that the bridge plate 1 is disconnected from a support is avoided, and the service life of the bridge plate 1 is prolonged integrally.
Further, referring to fig. 3 and 4, as a specific embodiment of the anti-seismic device for a bridge plate provided by the present invention, the supporting component 33 includes a bottom plate 331 and a vertical rod 332, the bottom plate 331 is disposed on the mounting plate 31, the vertical rod 332 is disposed on the bottom plate 331, a connecting column 333 is disposed on a side of the supporting plate 32 opposite to the bottom plate 331, in addition, the supporting component 33 further includes a transition rod 334, an upper end of the transition rod 334 is connected to the connecting column 333 through a pin shaft 335, a lower end of the transition rod 334 is movably inserted into the vertical rod 332, an elastic member 336 is further sleeved on the transition rod 334, one end of the elastic member 336 abuts against the bottom plate 331, and the other end of the elastic member 336 abuts against the transition rod 334. In this way, the vertical rod 332, the transition rod 334, the connecting column 333, and the pin shaft 335 are provided, so that the support plate 32 can be supported on the mounting plate 31; the elastic member 336 is sleeved on the transition bar 334, so that the longitudinal force generated by vibration can be absorbed, and the bridge plate 1 is prevented from vibrating.
Preferably, in the present invention, the elastic member 336 is a spring, but the elastic member 336 may also be a pogo pin, a shrapnel, or the like, which is not limited herein.
Preferably, the vertical rod 332 and the bottom plate 331 are integrally formed, and the overall binding force is improved through the connection mode; at the same time, subsequent machining is also reduced. Of course, in the present invention, the vertical rod 332 may be welded to the bottom plate 331 or connected by other means, which is not limited herein.
Further, referring to fig. 4, as a specific embodiment of the anti-seismic device for a bridge plate according to the present invention, a boss 337 is disposed at an upper end of the transition rod 334, an opening 3330 is disposed on the connection column 333, the opening 3330 is used for accommodating the boss 337, through holes are disposed on two side walls of the opening 3330, through holes are disposed on the boss 337 at positions corresponding to the through holes, and the pin 335 is inserted into the through holes and the through holes. Thus, by providing the opening 3330 so that the boss 337 can be inserted into the opening 3330, the compactness of the structure is enhanced; the connection of the upper end of the transition bar 334 to the connection post 333 is achieved by providing a pin 335, a through hole, and a through hole.
Preferably, the projection 337 is shaped as a circular projection so that it has a large contact area with the opening 3330, thereby enhancing the stability of the connection of the upper end of the transition bar 334 with the connection post 333.
Further, referring to fig. 4, as a specific embodiment of the anti-seismic device for a bridge plate provided by the present invention, the lower end of the transition rod 334 is provided with an insertion rod 338 and a stop 339, the insertion rod 338 is hollow, the stop 339 is disposed at one end of the insertion rod 338 far away from the elastic member 336, the diameter of the stop 339 is greater than that of the insertion rod 338, and the other end of the elastic member 336 abuts against the stop 339. Thus, by providing the plunger 338 with a hollow interior, the stem 332 can be inserted into the plunger 338; through the arrangement of the blocking platform 339, one end of the elastic member 336 abuts against the bottom plate 331, and the other end of the elastic member 336 abuts against the blocking platform 339, so that the elastic member 336 is positioned, and at the moment, when longitudinal force is applied, the elastic member 336 can elastically absorb the longitudinal force, so that longitudinal shock resistance of the bridge plate 1 is realized.
Preferably, the axial length of the insert bar 338 is greater than the axial length of the vertical bar 332, so as to increase the elastic stroke of the elastic member 336 and provide a guarantee for longitudinal anti-seismic of the bridge plate 1.
Further, referring to fig. 4, as a specific embodiment of the anti-seismic device for a bridge plate provided by the present invention, the telescopic rod assembly 35 includes a base 351, the base 351 is disposed on the bottom plate 331, a telescopic rod 352 is disposed in the base 351, the telescopic rod 352 is formed by combining a plurality of sub-rods, in addition, a pushing element (not shown in the drawings) and a distance sensor 353 are further disposed on the bottom plate 331, a channel is disposed on the base 351, the channel can be used for connecting the pushing element with the telescopic rod 352, and the distance sensor 353 is electrically connected with the pushing element. Thus, by arranging the pushing member, the telescopic rod 352 can be pushed to stretch, and the telescopic rod 352 further drives the movable plate 34 to lift; through setting up distance sensor 353 to can real-time supervision backup pad 32 and the interval between the fly leaf 34, when the interval that records reaches and predetermines the distance, distance sensor 353 can give the impeller with the signal transmission this moment, and the impeller promotes the extension of telescopic link 352, and telescopic link 352 promotes fly leaf 34 and is close to backup pad 32, when first support post 4 and second support post pole 5 support mutually, the impeller stop work this moment, through the cooperation of supporting of first support post pole 4 and second support post pole 5, thereby realize the horizontal antidetonation to bridge slab 1.
In the present invention, the working principle of the telescopic rod assembly 35 is as follows:
when the bridge plate 1 is subjected to vibration force, the bridge plate 1 transmits the vibration force to the support plate, the support plate 32 moves towards the direction close to the movable plate 34 after being subjected to the vibration force, and at the moment, the support assembly 33 absorbs longitudinal pressure generated by the vibration force; when the supporting plate 32 continues to be pressed and moves downwards, the distance sensor 353 monitors the change of the distance between the supporting plate 32 and the movable plate 34, when the distance between the supporting plate 32 and the movable plate reaches a preset distance, the distance sensor 353 transmits a signal to the pushing member, the pushing member pushes the telescopic rod 352 to extend, the telescopic rod 352 pushes the movable plate 34 to approach the supporting plate 32, when the first abutting rod 4 abuts against the second abutting rod 5, the pushing member stops working, and the first abutting rod 4 is matched with the second abutting rod 5 in an abutting mode, so that transverse shock resistance of the bridge plate 1 is achieved.
Further, referring to fig. 2 and fig. 3, as a specific embodiment of the anti-seismic device for a bridge plate provided by the present invention, the number of the supporting components 33 is two, each supporting component 33 is respectively distributed on two sides of the supporting plate 32, and the supporting components 33 are disposed on the bottom plate 331, so that the supporting plate 32 can be better supported, and the stress uniformity of the supporting components 33 is ensured. Of course, in the present embodiment, the number of the supporting assemblies 33 may also be three, four, etc. according to the actual situation and the specific requirement, and is not limited herein.
Further, referring to fig. 4, as a specific embodiment of the anti-seismic device for a bridge slab provided by the present invention, a plurality of first protrusions 41 are disposed on an inner wall of one side of the first abutting rod 4, a plurality of second protrusions 51 are disposed on the second abutting rod 5, and the second protrusions 51 are abutted against and matched with the first protrusions 41. In this way, the first protrusion 41 and the second protrusion 51 are in abutting fit, so that the transverse shock absorption of the bridge plate 1 is realized.
Further, referring to fig. 1 and 5, as an embodiment of the anti-seismic device for a bridge plate provided by the present invention, the supporting plate 32 and the movable plate 34 are rectangular, each first supporting rod 4 is respectively disposed on the supporting plate 32 along the length direction and the width direction of the supporting plate 32, and each second supporting rod 5 is respectively disposed on the movable plate 34 along the length direction and the width direction of the movable plate 34 and in a one-to-one correspondence with the first supporting rods 4. In this way, by providing the first ejector rod 4 and the second ejector rod 5 in the length direction and the width direction of the support plate 32 and the movable plate 34, respectively, the abutting force between the movable plate 34 and the support plate 32 is enhanced, and further, the lateral shock resistance of the bridge plate 1 is enhanced.
Preferably, referring to fig. 6, the first protrusion 41 and the second protrusion 51 are arranged in a triangular shape, so that the contact area between the first protrusion 41 and the second protrusion 51 can be increased, the abutting force between the first protrusion 41 and the second protrusion 51 is increased, and the lateral shock resistance of the bridge plate 1 is improved. Of course, in this embodiment, the first protrusion 41 and the second protrusion 51 may be disposed in other shapes, which is not limited herein.
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 (7)
1. The utility model provides a bridge plate antidetonation device which characterized in that: the shock-proof structure comprises a bridge plate arranged on a pier and a shock-proof mechanism arranged between the bridge plate and the pier, wherein the shock-proof mechanism comprises a mounting plate fixedly arranged on the pier, a supporting plate used for abutting against the bridge plate and a plurality of supporting components arranged on the mounting plate and used for elastically supporting the supporting plate to realize longitudinal shock absorption, a movable plate and a telescopic rod component used for supporting and driving the movable plate to lift are further arranged between the mounting plate and the supporting plate, one side of the supporting plate corresponding to the movable plate is provided with a plurality of first abutting rods with first bulges, and the movable plate is provided with second abutting rods used for abutting against and matching with the first bulges to realize transverse shock absorption; the supporting assembly comprises a bottom plate arranged on the mounting plate, a vertical rod arranged on the bottom plate, a connecting column arranged on one side of the supporting plate opposite to the bottom plate, and a transition rod used for connecting the vertical rod with the connecting column, the vertical rod and the bottom plate are integrally formed, the upper end of the transition rod is connected with the connecting column through a pin shaft, the lower end of the transition rod is movably inserted into the vertical rod, an elastic piece is further sleeved on the transition rod, one end of the elastic piece is abutted against the bottom plate, and the other end of the elastic piece is abutted against the transition rod; the telescopic rod assembly comprises a base arranged on the bottom plate, a telescopic rod arranged in the base and formed by combining a plurality of sections of sub-rods, and a pushing piece arranged on the bottom plate and used for pushing the telescopic rod to stretch, wherein a channel for connecting the pushing piece and the telescopic rod is formed in the base, a distance sensor for monitoring the distance between the supporting plate and the movable plate is further arranged on the base, and the distance sensor is electrically connected with the pushing piece.
2. A bridge plate seismic resistant device according to claim 1, wherein: the upper end of transition pole is equipped with the boss, offer on the spliced pole and be used for the holding the opening of boss, the clearing hole has been seted up on the open-ended both sides wall, the boss corresponds the through hole has been seted up to the clearing hole position, the round pin axle insert in the clearing hole with in the through hole.
3. A bridge plate seismic resistant device according to claim 1, wherein: the lower extreme of transition pole is equipped with inside hollow inserted bar and set up in the inserted bar is kept away from the fender platform of elastic component one end, the diameter that keeps off the platform is greater than the diameter of inserted bar, the other end of elastic component support in keep off the bench.
4. A bridge plate seismic resistant device according to claim 1, wherein: the number of the supporting components is two, and the supporting components are respectively distributed on two sides of the supporting plate.
5. A bridge plate seismic resistant device according to claim 1, wherein: the inner wall of one side of the first abutting rod is provided with a plurality of first bulges, and the second abutting rod is provided with a plurality of second bulges which correspond to the first bulges one to one.
6. A bridge plate anti-seismic device according to claim 5, wherein: the supporting plate and the movable plate are rectangular, the first abutting rods are arranged on the supporting plate along the length direction and the width direction of the supporting plate respectively, and the second abutting rods are arranged on the movable plate along the length direction and the width direction of the movable plate in a one-to-one correspondence mode with the first abutting rods.
7. A bridge plate anti-seismic device according to claim 6, wherein: the first protrusion and the second protrusion are arranged in a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793526.5A CN111851279B (en) | 2020-08-10 | 2020-08-10 | Bridge plate anti-seismic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793526.5A CN111851279B (en) | 2020-08-10 | 2020-08-10 | Bridge plate anti-seismic device |
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| CN111851279A CN111851279A (en) | 2020-10-30 |
| CN111851279B true CN111851279B (en) | 2022-06-03 |
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| CN207091913U (en) * | 2017-08-17 | 2018-03-13 | 福州外语外贸学院 | A kind of bridge girder anti-seismic bearing |
| CN107841942A (en) * | 2017-11-30 | 2018-03-27 | 中铁二院工程集团有限责任公司 | A kind of hyperboloid friction pendulum support |
| CN209555759U (en) * | 2018-11-01 | 2019-10-29 | 倪少成 | A kind of shock mount of road and bridge good damping effect |
| CN210049086U (en) * | 2019-01-28 | 2020-02-11 | 李长明 | Novel bridge damping support |
| CN209873465U (en) * | 2019-04-12 | 2019-12-31 | 周刚 | Stride a formula city single track girder bridge driving vibration control device |
| CN210262692U (en) * | 2019-04-24 | 2020-04-07 | 薛海宁 | Shock-absorbing structure of bridge expansion joint |
| CN210827088U (en) * | 2019-07-17 | 2020-06-23 | 巩固 | Damping device for road and bridge |
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|---|---|
| CN111851279A (en) | 2020-10-30 |
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Effective date of registration: 20220513 Address after: 353000 No. 19-6 Yingbin Road, Longjin Town, Qingliu County, Sanming City, Fujian Province Applicant after: Fujian Qiaojiang Construction Engineering Co.,Ltd. Address before: 325006 north head, 2nd floor, No.37 qiananxin Road, Shanghui village, Louqiao street, Ouhai District, Wenzhou City, Zhejiang Province Applicant before: Wenzhou anheqiao Technology Co.,Ltd. |
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Denomination of invention: A seismic resistant device for bridge slabs Granted publication date: 20220603 Pledgee: Agricultural Bank of China Limited Sanming Meilie sub branch Pledgor: Fujian Qiaojiang Construction Engineering Co.,Ltd. Registration number: Y2024980005799 |