CN218373314U

CN218373314U - Novel LRB lead core rubber support

Info

Publication number: CN218373314U
Application number: CN202222285561.3U
Authority: CN
Inventors: 张远喜; 魏德超; 俞海敏; 魏昭军
Original assignee: Sichuan Ronghaitong Seismic Technology Co ltd
Current assignee: Sichuan Ronghaitong Seismic Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-24
Anticipated expiration: 2032-08-30

Abstract

The utility model belongs to the technical field of bridge beam supports and specifically relates to indicate a novel LRB lead rubber bearing, including last connecting steel plate and lower connecting steel plate, lower connecting steel plate's upper end fixedly connected with lead, second connecting cylinder and lower shrouding, the inside sliding connection of second connecting cylinder has first connecting cylinder, fixed connection between the upper end of first connecting cylinder and the last connecting steel plate, the upper end fixedly connected with rubber layer of lower shrouding, the upper end fixedly connected with steel deck on rubber layer, be located the upper end fixedly connected with upper seal plate of the steel deck of top, go up fixed connection between shrouding and the last connecting steel plate, the lead is located upper seal plate, lower shrouding, between steel deck and the rubber layer. The utility model discloses simple structure through the cooperation of steel deck, rubber layer, spring, lead core, fixed cylinder, carriage release lever, rubber support, first connecting cylinder and second connecting cylinder for the integrated device has good shock attenuation, shock insulation function.

Description

Novel LRB lead core rubber support

Technical Field

The utility model relates to a bridge beam supports device field especially relates to a novel LRB lead core rubber support.

Background

The earthquake action can cause damage and even collapse of a large number of building structures and bridge structures, and the appearance of the seismic isolation device provides a new method for seismic design of the building structures and the bridge structures, and the effectiveness of the seismic isolation device is tested by actual engineering. As a traditional shock isolation device, a rubber support is widely applied due to good stability and durability, but most of the rubber supports are easily damaged naturally after being exposed in various severe environments for a long time at present, and meanwhile, the rubber support is weak in self-recovery capability, poor in energy consumption capability and too small in elastic range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel LRB lead core rubber support.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a novel LRB lead core rubber support, includes connecting steel plate and lower connecting steel plate, lower connecting steel plate's upper end fixedly connected with lead core, second connecting cylinder and lower shrouding, the inside sliding connection of second connecting cylinder has first connecting cylinder, fixed connection between the upper end of first connecting cylinder and the last connecting steel plate, the upper end fixedly connected with rubber layer of shrouding down, the upper end fixedly connected with steel deck on rubber layer is located the top shrouding on the upper end fixedly connected with of steel deck, go up fixed connection between shrouding and the last connecting steel plate, the lead core is located shrouding, lower shrouding, steel deck and between the rubber layer.

As a further description of the above technical solution: go up the outer periphery fixedly connected with rubber protective layer of shrouding, lower shrouding, steel deck and rubber layer, the rubber protective layer is located connecting steel plate and down between the connecting steel plate, and the during operation, the rubber protective layer has corrosion-resistant, the advantage of ageing resistance, and the rubber protective layer is wear-resisting simultaneously, has elasticity, and the rubber protective layer is wrapping up last shrouding, lower shrouding and steel deck, can play the purpose of shrouding, lower shrouding and steel deck in the protection, and then improves the life of going up shrouding, lower shrouding and steel deck.

As a further description of the above technical solution: the lower extreme fixedly connected with rubber prop of first connecting cylinder, fixed connection between the lower extreme of rubber prop and the lower connecting steel plate, the rubber prop is provided with a plurality ofly, and even distribution is at the lower extreme of first connecting cylinder, and the during operation, under the effect of rubber prop, because the rubber prop has good elasticity for it has good shock attenuation effect to cooperate the rubber prop between first connecting cylinder and the second connecting cylinder.

As a further description of the above technical solution: the utility model discloses a rubber protection layer's vibration damping device, including a fixed section of thick bamboo, the upper end fixedly connected with fixed section of thick bamboo of connecting steel sheet down, the inside sliding connection of fixed section of thick bamboo has the carriage release lever, the lower extreme fixedly connected with spring of carriage release lever, fixed connection between the one end of carriage release lever and the fixed section of thick bamboo is kept away from to the spring, the upper end fixedly connected with gasket of carriage release lever, fixed connection between gasket and the last connecting steel sheet, gasket, fixed section of thick bamboo, spring and carriage release lever are provided with a plurality ofly, and even distribution is in a week of rubber protection layer, and the during operation, when the integrated device meets the circumstances of vibration from top to bottom, can compress the spring, at this moment under the effect of the reaction force of spring, can slow down the vibration condition of integrated device to a certain extent for integrated device's stability is stronger.

As a further description of the above technical solution: the steel deck and the rubber layer are provided with a plurality of, and crisscross distribution, and even distribution is between last shrouding and lower shrouding, and the during operation, crisscross distribution's steel deck and rubber layer are being cooperated the lead core for when overall arrangement stability is stronger, have good shock-absorbing performance again.

As a further description of the above technical solution: the upper end surfaces of the upper connecting steel plate and the lower connecting steel plate are all penetrated through and provided with mounting holes, and the integral device is convenient to mount on a bridge due to the mounting holes during working.

The utility model discloses following beneficial effect has:

compared with the prior art, the novel LRB lead core rubber support has the advantages that the damping effect of the whole device is high through the matching of the steel plate layer, the rubber layer, the spring, the lead core, the fixed cylinder, the moving rod, the rubber support, the first connecting cylinder and the second connecting cylinder, and meanwhile, the lead core has good hysteretic performance, so that the good hysteretic performance of the lead core is utilized when the support is horizontally deformed, the energy consumption capability and the self-resetting capability are enhanced, and the shock insulation performance of the support is improved;

when the integral device is subjected to a strong earthquake, the first connecting cylinder and the second connecting cylinder slide relatively and extrude or stretch the rubber support, the first connecting cylinder and the second connecting cylinder slide relatively to generate sliding friction force, and the sliding friction force enables the device to obtain higher damping force under the action of the earthquake, so the integral device has good shock absorption and shock isolation functions; and lead core, rubber protection layer, steel deck and rubber layer are wrapped up in wherein by first connecting cylinder and second connecting cylinder for lead core, rubber protection layer, steel deck and rubber layer can not direct expose in the external world, and then be difficult to by external destruction.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel LRB lead rubber support in a front view;

fig. 2 is a schematic structural view showing a main view of a novel LRB lead core rubber support according to the present invention;

fig. 3 is a schematic structural view of a first main section of the LRB lead core rubber support according to the present invention;

fig. 4 is a schematic structural view of a second main viewing section of the LRB lead core rubber support of the present invention.

Illustration of the drawings:

1. an upper connecting steel plate; 2. a lower connecting steel plate; 3. a first connecting cylinder; 4. a second connecting cylinder; 5. a rubber support; 6. a fixed cylinder; 7. a travel bar; 8. a gasket; 9. a rubber protective layer; 10. an upper sealing plate; 11. a lead core; 12. a spring; 13. a lower sealing plate; 14. a steel plate layer; 15. a rubber layer.

Detailed Description

Referring to fig. 1-4, the utility model provides a pair of novel LRB lead core rubber support: including connecting steel plate 1 and lower connecting steel plate 2, lower connecting steel plate 2's upper end fixedly connected with lead 11, second connecting cylinder 4 and lower shrouding 13, the inside sliding connection of second connecting cylinder 4 has first connecting cylinder 3, fixed connection between the upper end of first connecting cylinder 3 and the last connecting steel plate 1, the upper end fixedly connected with rubber layer 15 of shrouding 13 down, the upper end fixedly connected with steel deck 14 of rubber layer 15, be located shrouding 10 on the upper end fixedly connected with of the steel deck 14 of top, go up shrouding 10 and last connecting steel plate 1 between fixed connection, lead 11 is located shrouding 10, lower shrouding 13, between steel deck 14 and the rubber layer 15.

As a further implementation of the above technical solution: go up shrouding 10, shrouding 13 down, steel deck 14 and rubber layer 15's outer periphery fixedly connected with rubber protection layer 9, rubber protection layer 9 is located connecting steel plate 1 and down between the connecting steel plate 2, in operation, rubber protection layer 9 has corrosion-resistant, the advantage of ageing resistance, rubber protection layer 9 is wear-resisting simultaneously, elasticity has, rubber protection layer 9 is wrapping up shrouding 10, shrouding 13 and steel deck 14 down, shrouding 10 in the protection can be played, shrouding 13 and steel deck 14's purpose down, and then shrouding 10 is gone up in the improvement, shrouding 13 and steel deck 14's life down.

As a further implementation mode of the technical scheme: lower extreme fixedly connected with rubber support post 5 of first connecting cylinder 3, rubber support post 5's lower extreme and the lower fixed connection between the connecting steel plate 2, rubber support post 5 is provided with a plurality ofly, and even distribution is at the lower extreme of first connecting cylinder 3, and the during operation, under rubber support post 5's effect, because rubber support post 5 has good elasticity for the cooperation rubber support post 5 has good shock attenuation effect between first connecting cylinder 3 and the second connecting cylinder 4.

As a further implementation of the above technical solution: the fixed section of thick bamboo 6 of the upper end fixedly connected with of connecting plate 2 down, the inside sliding connection of fixed section of thick bamboo 6 has carriage release lever 7, the lower extreme fixedly connected with spring 12 of carriage release lever 7, spring 12 keeps away from fixed connection between one end of carriage release lever 7 and the fixed section of thick bamboo 6, the upper end fixedly connected with gasket 8 of carriage release lever 7, fixed connection between gasket 8 and the last connecting plate 1, gasket 8, fixed section of thick bamboo 6, spring 12 and carriage release lever 7 are provided with a plurality ofly, and even distribution is in a week of rubber protective layer 9, in operation, when the integrated device meets the condition of vibration from top to bottom, can compress spring 12, at this moment under the effect of spring 12's reaction force, can slow down the vibration condition of integrated device to a certain extent, make the stability of integrated device stronger.

As a further implementation mode of the technical scheme: the steel plate layers 14 and the rubber layers 15 are arranged in a plurality of staggered distribution and evenly distributed between the upper sealing plate 10 and the lower sealing plate 13, and during working, the steel plate layers 14 and the rubber layers 15 which are distributed in a staggered mode are matched with the lead 11, so that the whole device has higher stability and good shock absorption performance.

As a further implementation mode of the technical scheme: go up the up end of connecting steel sheet 1 and connecting steel sheet 2 down and all run through and seted up the mounting hole, the during operation, the existence of mounting hole is convenient for install the integrated device on the bridge.

The working principle is as follows:

use the utility model discloses the time, utilize the mounting hole to install the integrated device on the bridge, then when the integrated device is receiving the vibration from top to bottom, can be at steel deck 14, under the effect of rubber layer 15 and lead core 11, play buffering absorbing effect to a certain extent, and go up simultaneously that connecting plate 1 vibrates from top to bottom and can drive first connecting cylinder 3 and slide and extrude or tensile rubber pillar 5 along second connecting cylinder 4, compress carriage release lever 7 simultaneously, make carriage release lever 7 compression spring 12, under the effect of spring 12's reaction force and rubber pillar 5's reaction force, can play buffering absorbing effect, and then make the integrated device can be more stable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a novel LRB lead core rubber support, includes connecting plate (1) and lower connecting plate (2), its characterized in that: the utility model discloses a lead core, including lower joint steel plate (2), upper end fixedly connected with lead core (11), second connecting cylinder (4) and lower shrouding (13), the inside sliding connection of second connecting cylinder (4) has first connecting cylinder (3), fixed connection between the upper end of first connecting cylinder (3) and last joint steel plate (1), the upper end fixedly connected with rubber layer (15) of shrouding (13) down, upper end fixedly connected with steel deck (14) of rubber layer (15) are located the top shrouding (10) on the upper end fixedly connected with of steel deck (14), go up fixed connection between shrouding (10) and last joint steel plate (1), lead core (11) are located shrouding (10), down between shrouding (13), steel deck (14) and rubber layer (15).

2. The new LRB lead rubber mount of claim 1, wherein: the outer circumferential surfaces of the upper sealing plate (10), the lower sealing plate (13), the steel plate layer (14) and the rubber layer (15) are fixedly connected with a rubber protection layer (9), and the rubber protection layer (9) is located between the upper connecting steel plate (1) and the lower connecting steel plate (2).

3. The new LRB lead rubber bearing according to claim 1, wherein: the lower extreme fixedly connected with rubber support post (5) of first connecting cylinder (3), fixed connection between the lower extreme of rubber support post (5) and lower connecting steel plate (2), rubber support post (5) are provided with a plurality ofly, and even distribution is at the lower extreme of first connecting cylinder (3).

4. The new LRB lead rubber mount of claim 1, wherein: the utility model discloses a rubber protection layer's rubber protection layer, including lower connecting plate (2), the upper end fixedly connected with solid fixed cylinder (6), the inside sliding connection of solid fixed cylinder (6) has carriage release lever (7), the lower extreme fixedly connected with spring (12) of carriage release lever (7), fixed connection between one end and the solid fixed cylinder (6) of carriage release lever (7) is kept away from in spring (12), upper end fixedly connected with gasket (8) of carriage release lever (7), fixed connection between gasket (8) and last connecting plate (1), gasket (8), solid fixed cylinder (6), spring (12) and carriage release lever (7) are provided with a plurality ofly, and even distribution is in a week of rubber protection layer (9).

5. The new LRB lead rubber bearing according to claim 1, wherein: the steel plate layers (14) and the rubber layers (15) are arranged in a plurality of staggered distribution and are uniformly distributed between the upper sealing plate (10) and the lower sealing plate (13).

6. The new LRB lead rubber mount of claim 1, wherein: the upper end surfaces of the upper connecting steel plate (1) and the lower connecting steel plate (2) are all penetrated through to be provided with mounting holes.