CN220079705U - Shock absorbing and isolating support with hydraulic damping - Google Patents

Abstract

The utility model discloses a hydraulic damping vibration reduction and isolation support, which belongs to bridge vibration reduction and isolation technology and comprises a tensile vibration isolation support; the tensile shock insulation support comprises a tensile component and a shock insulation component; the tensile component is fixedly connected with the shock insulation component; the tensile component is connected with the bridge beam and the bridge pier; the shock insulation component is arranged on the tensile component; an adjustable hydraulic damping device is arranged between the bridge pier and the bridge beam; and a limiting assembly of the hydraulic damper for preventing the bridge from falling is arranged between the bridge pier and the bridge beam. Through the mode, the vibration isolation device solves the problem that hydraulic dampers with different damping requirements are required to be designed according to different bridge sections in the vibration isolation process of bridge design, and meanwhile, the hydraulic dampers are not provided with limit protection.

Description

Shock absorbing and isolating support with hydraulic damping

Technical Field

The utility model relates to the technical field of bridge seismic reduction and isolation, in particular to a seismic reduction and isolation support with hydraulic damping.

Background

The utility model discloses a bridge shock absorber support, it is the important device of bridge anti-seismic design, thereby the bridge produced displacement by a wide margin can consume the energy that vibration produced through installation hydraulic damper when the earthquake reduces the bridge and receives the influence of earthquake, chinese patent CN213358305U discloses a bridge shock absorber support, and it is provided with the connecting seat through the upper end surface of pier, the upper end surface of connecting seat is provided with the crossbeam, the upper end surface of crossbeam is provided with the shock absorber support, the inside of pier is provided with tuning mass damping device, the both sides surface of crossbeam is provided with hydraulic damper. The hydraulic dampers are arranged on the outer surfaces of two sides of the bridge to absorb shock of the bridge, but the hydraulic dampers with different damping needs of different bridge sections can not be solved, meanwhile, the hydraulic dampers are not limited and protected, and the hydraulic damping shock absorption and insulation support with the hydraulic damping is inconvenient to use.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the shock absorbing and isolating support with hydraulic damping.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the shock absorbing and isolating support with the hydraulic damping comprises a tensile shock isolating support, wherein the tensile shock isolating support comprises a tensile component and a shock isolating component; the tensile component is fixedly connected with the shock insulation component; the tensile component is connected with the bridge beam and the bridge pier; the shock insulation component is arranged on the tensile component;

the bridge pier and the bridge beam are provided with adjustable hydraulic damping devices;

and the adjustable hydraulic damping device is provided with a hydraulic damper limiting assembly.

Further, the tensile assembly comprises an upper supporting plate, a lower supporting plate, an upper tensile guide rail and a lower tensile guide rail; the upper support plate and the lower support plate are respectively and fixedly connected with a bridge beam and a bridge pier; the upper tensile guide rail is fixedly arranged on the lower surface of the upper supporting plate; the lower tensile guide rail is fixedly arranged on the upper surface of the lower supporting plate; the shock insulation component comprises a rubber damping block, an upper connecting plate and a lower connecting plate; the upper connecting plate and the lower connecting plate are connected with the tensile assembly; the upper connecting plate is fixedly arranged on the upper supporting plate, and the lower surface of the upper connecting plate is in abutting connection with the inner wall of the lower end of the upper tensile guide rail; the upper surface of the lower connecting plate is in abutting connection with the inner wall of the upper end of the lower tensile guide rail; the rubber damping block is fixedly arranged at the middle position of the upper connecting plate and the lower connecting plate.

Further, the adjustable hydraulic damping device is arranged at four positions of front, back, left and right between the bridge pier and the bridge beam; the hydraulic damper comprises a hydraulic damper assembly and an adjustable connecting seat assembly; the adjustable connecting seat assembly is arranged on the bridge pier and the bridge beam; the hydraulic damper assembly is movably mounted on the adjustable connecting seat assembly.

Further, the adjustable connecting seat assembly comprises a first connecting seat, a first connecting block, a second connecting seat and a second connecting block; the first connecting seat is fixedly arranged on the lower surface of the bridge beam; the second connecting seat is fixedly arranged on the side wall of the bridge pier; the first connecting seat is fixedly provided with a first connecting block; and a second connecting block is fixedly arranged on the second connecting seat.

Further, the first connecting seat is fixedly provided with at least two first connecting blocks; the hydraulic damper assembly is arranged between any one of the first connecting blocks and the second connecting blocks.

Further, the hydraulic damper assembly includes a hydraulic damper, a first upper ear plate, a first lower ear plate, and a first rivet; the first upper lug plate is fixedly arranged at one end of the hydraulic damper, and the first lower lug plate is fixedly arranged at the other end of the hydraulic damper.

Further, the beam falling prevention hydraulic damper limiting assembly is in a loose state when the adjustable hydraulic damping device is in a normal vibration range, and is in a tensioning state when the bridge beam vibration exceeds the working range of the adjustable hydraulic damping device.

Further, the limiting component of the beam falling prevention hydraulic damper is arranged on the adjustable connecting seat component.

Further, the beam falling prevention hydraulic damper limiting assembly comprises a inhaul cable, a buffer block, a second upper lug plate, a second lower lug plate and a second rivet; one end of the inhaul cable is fixedly connected with the second upper lug plate, the other end of the inhaul cable is fixedly connected with one end of the buffer block, and the other end of the buffer block is fixedly provided with the second lower lug plate; the second upper lug plate and the second lower lug plate are respectively and movably connected with the first connecting block and the second connecting block through second rivets.

Furthermore, a lead core and a silicon steel sheet are arranged in the rubber damping block.

Advantageous effects

When the anti-vibration device is used, the anti-vibration support plays a role in supporting the bridge beam and consuming energy generated by vibration between the bridge beam and the bridge pier through deformation of the anti-vibration component, and the anti-vibration component is used for fixing the anti-vibration component to prevent falling off when the bridge beam and the bridge pier vibrate vertically; an adjustable hydraulic damping device is arranged between the bridge pier and the bridge beam and is used for adjusting according to different damping sizes required by different bridge sections in earthquake and daily vibration, so that the requirement of a full bridge end can be met by using only one type of hydraulic damper; the beam falling prevention hydraulic damper limiting assembly is used for preventing the beam falling phenomenon of the bridge by consuming a part of energy in an intervening manner when the bridge vibrates greatly, and meanwhile has a limiting protection effect on the adjustable hydraulic damping device.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a perspective view of a main body structure of a seismic isolation bearing with hydraulic damping;

FIG. 2 is a front view of the present shock absorbing and isolating mount structure with hydraulic damping;

FIG. 3 is a left side view of the present shock absorbing and isolating mount structure with hydraulic damping;

FIG. 4 is a perspective view of a main body structure of the seismic isolation bearing with hydraulic damping;

FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 2;

FIG. 6 is a cross-sectional view taken along the B-B direction of FIG. 3;

reference numerals in the drawings represent respectively:

1. a tensile shock insulation support; 11. a tension member; 111. an upper support plate; 112. a lower support plate; 113. an upper tensile guide rail; 114. a lower tensile rail; 12. a shock isolation assembly; 121. a rubber damping block; 122. an upper connecting plate; 123. a lower connecting plate; 2. an adjustable hydraulic damping device; 21. a hydraulic damper assembly; 211. a hydraulic damper; 212. a first upper ear plate; 213. a first lower ear plate; 214. a first rivet; 22. an adjustable connection mount assembly; 221. a first connection base; 222. a first connection block; 223. a second connecting seat; 224. a second connection block; 3. limiting components of the beam falling prevention hydraulic damper; 31. a guy cable; 32. a buffer block; 33. a second upper ear plate; 34. a second lower ear plate; 35. and a second rivet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to examples.

Example 1

Referring to fig. 1-6 of the specification, a seismic isolation bearing with hydraulic damping includes a tensile seismic isolation bearing 1, and is characterized in that: the tensile shock insulation support 1 comprises a tensile component 11 and a shock insulation component 12; the shock insulation component 12 is arranged on the tensile component 11;

the tensile component 11 is fixedly connected with the shock insulation component 12; the tensile component 11 is connected with the bridge beam and the bridge pier;

an adjustable hydraulic damping device 2 is arranged between the bridge pier and the bridge beam and is used for absorbing external impact received by the bridge and adjusting hydraulic damping according to the vibration isolation requirements of different bridge sections;

the adjustable hydraulic damping device 2 is provided with a hydraulic damper limiting assembly 3 for preventing bridge falling accidents caused by large-scale vibration of the bridge and limiting protection of the hydraulic damper from exceeding a working range.

The shock absorbing and isolating support works; the tensile vibration isolation support 1 plays a role in supporting a bridge beam, consumes energy generated by vibration between the bridge beam and a pier through deformation of the vibration isolation component 12, and fixes the vibration isolation component 12 to prevent falling off when the tensile component 11 plays a role in vertically vibrating the bridge beam and the pier; the adjustable hydraulic damping device 2 is arranged between the bridge pier and the bridge beam and is used for adjusting according to different damping sizes required by different bridge sections in earthquake and daily vibration, the requirement that a full bridge end can be realized by only using one type of hydraulic damper can be realized, and the beam falling preventing hydraulic damper limiting component 3 has a limiting protection effect on the adjustable hydraulic damping device 2 when the bridge is vibrated greatly by using the beam falling preventing hydraulic damper limiting component 3 to consume a part of energy in an intervention manner so as to prevent the beam falling phenomenon of the bridge.

Example 2

In some embodiments, as shown in fig. 1-6, as a preferred embodiment of the present utility model,

the tension assembly 11 includes an upper support plate 111, a lower support plate 112, an upper tension rail 113, and a lower tension rail 114; the upper support plate 111 and the lower support plate 112 are respectively fixedly connected with the lower surface of the bridge beam and the upper surface of the bridge pier; the upper tensile guide 113 is fixedly installed on the lower surface of the upper support plate 111; the lower tensile guide rail 114 is fixedly installed on the upper surface of the lower support plate 112;

the shock insulation assembly 12 comprises a rubber damping block 121, an upper connecting plate 122 and a lower connecting plate 123; the upper connecting plate 122 and the lower connecting plate 123 are fixedly connected with the tensile assembly 11; the upper connecting plate 122 is fixedly installed on the upper supporting plate 111, and the lower surface of the upper connecting plate is in abutting connection with the inner wall of the lower end of the upper tensile guide rail 113; the lower connecting plate 123 is fixedly connected with the lower supporting plate 112, and the upper surface of the lower connecting plate is in abutting connection with the inner wall of the upper end of the lower tensile guide rail 114; the rubber damping block 121 is fixedly installed at the middle position of the upper connection plate 122 and the lower connection plate 123.

In operation, the tension members 11 are in contact with the lower surfaces of the upper connection plates 122 and the upper surfaces of the lower connection plates 123 of the shock-absorbing and insulating members 12 through the upper and lower tension rails 113 and 114, and the upper connection plates 122 are thus difficult to separate from the upper support plates 111, and the lower connection plates 123 are thus difficult to separate from the lower support plates 112; thus achieving vertical tensile of the seismic isolation assembly 12; the rubber damping block 121 is used for counteracting the transverse vibration energy of part of the bridge beam through damping generated by elastic deformation;

preferably, the adjustable hydraulic damping device 2 is arranged at four positions of front, back, left and right between the bridge pier and the bridge beam; which includes a hydraulic damper assembly 21 and an adjustable connection block assembly 22; the adjustable connecting seat assembly 22 is fixedly arranged on the bridge pier and the bridge beam; the hydraulic damper assembly 21 is movably mounted to the adjustable connection block assembly 22.

When the seismic isolation support works, the earthquake can enable the bridge beam and the bridge pier to vibrate in the front-back, left-right and left-right directions, and the influence of the earthquake is weakened by installing the hydraulic damper assembly 21 in the four directions, so that the safety of the bridge is guaranteed.

Preferably, the adjustable connector assembly 22 includes a first connector 221, a first connector block 222, a second connector 223, and a second connector block 224; the first connecting seat 221 is fixedly arranged on the lower surface of the bridge beam; the second connecting seat 223 is fixedly installed on the side wall of the bridge pier; the first connecting base 221 is fixedly provided with a first connecting block 222; the second connection seat 223 is fixedly provided with a second connection block 224.

The first connecting seat 221 is fixedly provided with at least two first connecting blocks 222; at least two second connection blocks 224 are fixedly mounted on the second connection seat 223, and the hydraulic damper assembly 21 is mounted between any one of the first connection blocks 222 and the second connection block 224.

The hydraulic damper assembly 21 includes a hydraulic damper 211, a first upper ear plate 212, a first lower ear plate 213, and a first rivet 214; the first upper ear plate 212 is fixedly arranged at one end of the hydraulic damper 211, the first lower ear plate 213 is fixedly arranged at the other end of the hydraulic damper 211, the hydraulic damper 211 is movably connected with the first connecting block 222 through the first upper ear plate 212, and the hydraulic damper 211 is movably connected with the second connecting block 224 through the first lower ear plate 213; the first upper ear plate 212 and the first connecting block 222 are rotatably connected by a first rivet 214; the first lower ear plate 213 and the second connection block 224 are rotatably connected by the first rivet 214.

The installation mode of specific hydraulic damping subassembly 21 and adjustable connection seat subassembly 22, adjustable connection seat subassembly 22 comprises first connecting seat 221, first connecting block 222, second connecting seat 223 and second connecting block 224, fixed mounting has a plurality of first connecting blocks 222 and second connecting block 224 on first connecting seat 221 and the second connecting seat 223, hydraulic damper 211 is connected first connecting block 222 and second connecting block 224 respectively through the first otic placode 212 and the first otic placode 213 of installing at its both ends, through the first connecting block 222 and the second connecting block 224 of the different positions that change first otic placode 212 and first otic placode 213 connect, change hydraulic damper 211's installation angle in order to reach the installation demand of different bridge sections to hydraulic damper 211.

Preferably, the rubber damper block 121 is internally provided with a lead core and a silicon steel sheet.

Example 3

In some embodiments, as shown in fig. 1-6, as a preferred embodiment of the present utility model, the anti-falling beam hydraulic damper limiting assembly 3 is in a loose state when the adjustable hydraulic damping device 2 is in a normal vibration range, and the anti-falling beam hydraulic damper limiting assembly 3 is in a tension state when the bridge beam vibrates beyond the working range of the adjustable hydraulic damping device 2;

the adjustable hydraulic damping device 2 is protected by limiting the beam falling preventing hydraulic damper limiting assembly 3, when the adjustable hydraulic damping device 2 works within the designed vibration range, the beam falling preventing hydraulic damper limiting assembly 3 does not intervene in work, and when the adjustable hydraulic damping device 2 works within the vibration range exceeding the design, the beam falling preventing hydraulic damper limiting assembly 3 intervenes in work to prevent the adjustable hydraulic damping device 2 from being damaged due to overlarge amplitude.

Preferably, the anti-drop beam hydraulic damper limiting assembly 3 is mounted on the adjustable connection seat assembly 22.

Preferably, the anti-falling beam hydraulic damper limiting assembly 3 comprises a guy cable 31, a buffer block 32, a second upper lug plate 33, a second lower lug plate 34 and a second rivet 35; one end of the inhaul cable 31 is fixedly connected with the second upper lug plate 33, the other end of the inhaul cable 31 is fixedly connected with one end of the buffer block 32, and the second lower lug plate 34 is fixedly arranged at the other end of the buffer block 32; the second upper ear plate 33 and the second lower ear plate 34 are movably connected to the first connection block 222 and the second connection block 224 through second rivets 35, respectively.

The working principle of the beam falling prevention hydraulic damper limiting assembly 3 is that one end of a inhaul cable 31 is movably connected with a first connecting block 222 of a buffer block 32 through a second upper lug plate 33, one end of the buffer block 32 is movably connected with a second connecting block 224 through a second lower lug plate 34, the inhaul cable 31 is fixedly connected with the buffer block 32, when a bridge beam is inclined greatly, the inhaul cable 31 pulls the buffer block 32, and the buffer block 32 is in a stretching state to limit the further inclination of the bridge beam.

Preferably, the anti-falling beam hydraulic damper limiting assembly 3 is at least provided with four groups, and the four groups are respectively arranged at four positions of the front part, the rear part, the left part and the right part between the bridge pier and the bridge beam.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a take hydraulic damping's shock attenuation isolation bearing, includes tensile isolation bearing (1), its characterized in that: the tensile shock insulation support (1) comprises a tensile component (11) and a shock insulation component (12); the tensile component (11) is fixedly connected with the shock insulation component (12); the shock insulation component (12) is arranged on the tensile component (11); the tensile component (11) is connected with the bridge beam and the bridge pier;

the bridge pier and the bridge beam are provided with adjustable hydraulic damping devices (2) which are used for absorbing external impact received by the bridge and adjusting hydraulic damping according to the vibration isolation requirements of different bridge sections;

the adjustable hydraulic damping device (2) is provided with a beam falling preventing hydraulic damper limiting assembly (3) for preventing beam falling accidents caused by large-scale vibration of a bridge and limiting protection of the hydraulic damper from exceeding a working range.

2. The hydraulically damped seismic isolation mount of claim 1, wherein: the tensile assembly (11) comprises an upper supporting plate (111), a lower supporting plate (112), an upper tensile guide rail (113) and a lower tensile guide rail (114); the upper supporting plate (111) and the lower supporting plate (112) are respectively and fixedly connected with a bridge beam and a bridge pier; the upper tensile guide rail (113) is fixedly arranged on the lower surface of the upper supporting plate (111); the lower tensile guide rail (114) is fixedly arranged on the upper surface of the lower supporting plate (112);

the shock insulation assembly (12) comprises a rubber damping block (121), an upper connecting plate (122) and a lower connecting plate (123); the upper connecting plate (122) is fixedly arranged on the upper supporting plate (111), and the lower surface of the upper connecting plate is in abutting connection with the inner wall of the lower end of the upper tensile guide rail (113); the lower connecting plate (123) is fixedly connected with the lower supporting plate (112), and the upper surface of the lower connecting plate is in abutting connection with the inner wall of the upper end of the lower tensile guide rail (114); the rubber damping block (121) is fixedly arranged at the middle position of the upper connecting plate (122) and the lower connecting plate (123).

3. The hydraulically damped seismic isolation mount of claim 1, wherein: the adjustable hydraulic damping device (2) is arranged at four positions of front, back, left and right between the bridge pier and the bridge beam; it comprises a hydraulic damper assembly (21) and an adjustable connection seat assembly (22); the adjustable connecting seat assembly (22) is arranged on the bridge pier and the bridge beam; the hydraulic damper assembly (21) is movably mounted on the adjustable connecting seat assembly (22).

4. A hydraulically damped seismic isolation mount according to claim 3, wherein: the adjustable connection seat assembly (22) comprises a first connection seat (221), a first connection block (222), a second connection seat (223) and a second connection block (224); the first connecting seat (221) is fixedly arranged on the lower surface of the bridge beam; the second connecting seat (223) is fixedly arranged on the side wall of the bridge pier; the first connecting seat (221) is fixedly provided with a first connecting block (222); and a second connecting block (224) is fixedly arranged on the second connecting seat (223).

5. The hydraulically damped seismic isolation mount of claim 4, wherein: the first connecting seat (221) is fixedly provided with at least two first connecting blocks (222); and at least two second connecting blocks (224) are fixedly arranged on the second connecting seat (223), and the hydraulic damper assembly (21) is arranged between any one of the first connecting blocks (222) and the second connecting blocks (224).

6. The hydraulically damped seismic isolation mount of claim 5, wherein: the hydraulic damper assembly (21) includes a hydraulic damper (211), a first upper ear plate (212), a first lower ear plate (213), and a first rivet (214); the first upper lug plate (212) is fixedly arranged at one end of the hydraulic damper (211), and the first lower lug plate (213) is fixedly arranged at the other end of the hydraulic damper (211).

7. The hydraulically damped seismic isolation mount of claim 6, wherein: the beam falling prevention hydraulic damper limiting assembly (3) is in a loose state when the adjustable hydraulic damping device (2) is in a normal vibration range, and the beam falling prevention hydraulic damper limiting assembly (3) is in a tensioning state when the bridge beam vibrates in a working range of the adjustable hydraulic damping device (2) beyond the range.

8. A hydraulically damped seismic isolation mount according to claim 3, wherein: the beam falling prevention hydraulic damper limiting assembly (3) is arranged on the adjustable connecting seat assembly (22).

9. The hydraulically damped seismic isolation mount of claim 4, wherein: the beam falling prevention hydraulic damper limiting assembly (3) comprises a inhaul cable (31), a buffer block (32), a second upper lug plate (33), a second lower lug plate (34) and a second rivet (35); one end of the inhaul cable (31) is fixedly connected with a second upper lug plate (33), the other end of the inhaul cable (31) is fixedly connected with one end of the buffer block (32), and the other end of the buffer block (32) is fixedly provided with a second lower lug plate (34); the second upper ear plate (33) and the second lower ear plate (34) are respectively and movably connected with the first connecting block (222) and the second connecting block (224) through second rivets (35).

10. The hydraulically damped seismic isolation mount of claim 2, wherein: the rubber damping block (121) is internally provided with a lead core and a silicon steel sheet.