CN213896736U

CN213896736U - Friction type high-damping rubber bridge damping support

Info

Publication number: CN213896736U
Application number: CN202022702037.2U
Authority: CN
Inventors: 李钟海; 徐铭强
Original assignee: Changshu Bridge And Tunnel Rubber Co ltd
Current assignee: Changshu Bridge And Tunnel Rubber Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-06
Anticipated expiration: 2030-11-20

Abstract

The utility model is suitable for a bridge beam supports technical field provides a friction type high damping rubber bridge shock absorber support, including lower connecting plate, the last fixed surface of lower connecting plate is connected with down the shrouding, the interior diapire fixedly connected with damping rubber piece of shrouding down, the last fixed surface of damping rubber piece is connected with the upper sealing plate, the last fixed surface of upper sealing plate is connected with the upper junction plate, the outside of damping rubber piece is equipped with the section of thick bamboo of placing of annular range, every place the inside of a section of thick bamboo and all be equipped with damping spring. This high damping rubber bridge damping bearing of friction type through the section of thick bamboo of placing that sets up, damping spring, slide and traveller, constitutes a shock mitigation system, can effectually share the vertical power that the damping rubber piece bore, alleviates the pressure that the damping rubber piece bore, effectively keeps the stationarity of damping rubber piece simultaneously, avoids the damping rubber piece to continuously bear higher pressure, causes the damage of damping rubber piece, influences the shock attenuation effect of bridge.

Description

Friction type high-damping rubber bridge damping support

Technical Field

The utility model belongs to the technical field of the bridge beam supports, especially, relate to a friction type high damping rubber bridge damping bearing.

Background

Bridge beam supports is the important structural component who connects bridge superstructure and substructure, is located between bridge and the stone pad, and it can transmit the load that bridge superstructure bore and deformation reliably for bridge substructure, is the important power transmission device of bridge, and bridge beam supports divide into fixed bearing and movable support two kinds, and the support form that bridge engineering is commonly used includes: the damping rubber bearing is widely applied, can effectively damp the bridge and increase the anti-seismic performance of the bridge.

The existing damping rubber support is easy to damage damping rubber due to the fact that the existing damping rubber support is subjected to pressure in a large vertical direction for a long time in the using process, the damping effect of a bridge is affected, the existing damping rubber support does not have the function of transverse damping, the existing damping rubber support is not beneficial to the protection of the bridge and the use of the bridge, and therefore the friction type high-damping rubber bridge damping support is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high damping rubber bridge damping bearing of friction type aims at solving current damping rubber bearing in the use, because receive the pressure of great vertical direction for a long time, causes damping rubber's damage easily, influences the shock attenuation effect of bridge, does not have horizontal absorbing effect moreover, is unfavorable for the problem to the bridge protection.

The utility model is realized in such a way, a friction type high damping rubber shock-absorbing support for a bridge comprises a lower connecting plate, the upper surface of the lower connecting plate is fixedly connected with a lower sealing plate, the inner bottom wall of the lower sealing plate is fixedly connected with a damping rubber block, the upper surface of the damping rubber block is fixedly connected with an upper sealing plate, the upper surface of the upper sealing plate is fixedly connected with an upper connecting plate, the outer part of the damping rubber block is provided with placing cylinders which are arranged in an annular shape, each placing cylinder is internally provided with a damping spring, the top end of each damping spring and the bottom end of the damping spring are fixedly connected with sliding plates which are matched with the placing cylinders, one side surface of each group of sliding plates, which is far away from each other, is fixedly connected with sliding columns, the upper surface of each placing cylinder and the bottom surface of each placing cylinder are respectively provided with sliding holes which are matched with the sliding columns, one end of each group of sliding columns, which is far away from each other, respectively penetrates through two sliding holes and is fixedly connected with one side surface of the upper sealing plate and the lower sealing plate, which are close to each other, the equal two sets of symmetrical slide cartridge of a side that upper junction plate and lower connecting plate are close to each other, every the inside of slide cartridge all is equipped with the slide bar, every the surface of slide bar all overlaps and is equipped with expanding spring, every the equal fixedly connected with fixed block of surface of slide bar, every both ends all are close to a side fixed connection each other with fixed block and slide cartridge around the expanding spring, the left and right sides of damping rubber piece all is equipped with two connecting rods, every group the connecting rod all is articulated through the round pin hub fixation, every group the one end that the connecting rod was kept away from each other all is close to one end fixed connection each other with every group slide bar.

Preferably, one end, away from each other, of each group of the slide bars is provided with a limiting plate, and one side face, close to each other, of each two groups of the limiting plates is fixedly connected with one end, away from each other, of each two groups of the slide bars.

Preferably, the outer surface of each sliding column is fixedly connected with a stabilizing plate, and one side face, far away from each other, of each stabilizing plate is fixedly connected with one side face, close to each other, of each upper sealing plate and one side face, close to each other, of each lower sealing plate.

Preferably, the outer surface of the upper sealing plate and the outer surface of the lower sealing plate are fixedly connected with fixing rings, and one side face, far away from each other, of each fixing ring is fixedly connected with one side face, close to the upper connecting plate and the lower connecting plate, of each fixing ring.

Preferably, a lead core is fixedly embedded in the damping rubber block and is positioned in the middle of the damping rubber block.

Preferably, two groups of symmetrical fixing holes are formed in the upper surfaces of the upper connecting plate and the lower connecting plate, and the number of the fixing holes is at least six.

Preferably, the front of the lower connecting plate and the rear of the lower connecting plate are both provided with a movable handle, and one ends of the two movable handles, which are close to each other, are respectively fixedly connected with the front of the lower connecting plate and the back of the lower connecting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the friction type high-damping rubber bridge damping support of the utility model is characterized in that through the matching of the arranged damping rubber block and the lead core, can effectively enhance the vertical bearing capacity of the bridge and absorb the vertical force born by the bridge, is convenient for realizing the shock absorption of the bridge, and forms a shock absorption system through the arranged placing cylinder, the shock absorption spring, the sliding plate and the sliding column, can effectively share the vertical force borne by the damping rubber block, reduce the pressure borne by the damping rubber block, meanwhile, the transverse stability of the damping rubber block is effectively kept, the damping rubber block is prevented from being damaged due to the fact that the damping rubber block continuously bears higher pressure, the damping effect of the bridge is influenced, and the damping rubber block is effectively improved, can constitute second shock mitigation system, realize the shock attenuation once more to the bridge, and then effectively increased the stability of bridge, be convenient for the use of bridge and the current of vehicle.

Drawings

FIG. 1 is a cross-sectional view of the front view of the damping rubber block of the present invention;

FIG. 2 is a side view of the damping rubber block of the present invention;

fig. 3 is a cross-sectional view of the top view of the damping rubber block of the present invention.

In the figure: 1-lower connecting plate, 2-lower sealing plate, 3-sliding plate, 4-connecting rod, 5-fixing hole, 6-sliding cylinder, 7-fixing ring, 8-stabilizing plate, 9-damping rubber block, 10-lead core, 11-upper connecting plate, 12-sliding column, 13-sliding rod, 14-sliding hole, 15-damping spring, 16-placing cylinder, 17-upper sealing plate, 18-telescopic spring, 19-fixing block, 20-limiting plate and 21-moving handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the utility model provides a friction type high damping rubber bridge damping support's technical scheme:

in the embodiment, the device comprises a lower connecting plate 1, wherein the upper surface of the lower connecting plate 1 is fixedly connected with a lower sealing plate 2, the inner bottom wall of the lower sealing plate 2 is fixedly connected with a damping rubber block 9, the upper surface of the damping rubber block 9 is fixedly connected with an upper sealing plate 17, the upper surface of the upper sealing plate 17 is fixedly connected with an upper connecting plate 11, the outside of the damping rubber block 9 is provided with annularly arranged placing cylinders 16, each placing cylinder 16 is internally provided with a damping spring 15, the top end of each damping spring 15 and the bottom end of each damping spring 15 are fixedly connected with a sliding plate 3 matched with the placing cylinder 16, one side surface of each group of sliding plates 3, which is far away from each other, is fixedly connected with sliding columns 12, the upper surface of each placing cylinder 16 and the bottom surface of the placing cylinder 16 are respectively provided with sliding holes 14 matched with the sliding columns 12, one end of each group of sliding columns 12, which is far away from each other, respectively penetrates through the two sliding holes 14 and is fixedly connected with one side surface of the upper sealing plate 17 and the lower sealing plate 2, which is close to each other, the equal two sets of symmetrical slide cartridge 6 of a side that upper junction plate 11 and lower junction plate 1 are close to each other, the inside of every slide cartridge 6 all is equipped with slide bar 13, the surface of every slide bar 13 all overlaps and is equipped with expanding spring 18, the equal fixedly connected with fixed block 19 of surface of every slide bar 13, a side fixed connection that both ends all are close to each other with fixed block 19 and slide cartridge 6 around every expanding spring 18, the left and right sides of damping rubber piece 9 all is equipped with two connecting rods 4, every group connecting rod 4 is all articulated through the round pin hub fixation, the one end that every group connecting rod 4 kept away from each other all with the one end fixed connection that every group slide bar 13 is close to each other.

Furthermore, one end of each group of the sliding rods 13, which is far away from each other, is provided with a limiting plate 20, and one side surface, which is close to each other, of each group of the limiting plates 20 is fixedly connected with one end, which is far away from each other, of each group of the sliding rods 13.

In this embodiment, the limiting plate 20 is disposed to limit the position of the sliding rod 13, so as to prevent the sliding rod 13 from moving too much and causing damage to the extension spring 18.

Furthermore, the outer surface of each sliding column 12 is fixedly connected with a stabilizing plate 8, and one side surface of each two groups of stabilizing plates 8, which is far away from each other, is fixedly connected with one side surface of each upper sealing plate 17, which is close to each lower sealing plate 2.

In this embodiment, the stability plate 8 is arranged to fix the sliding column 12, thereby effectively increasing the stability of the sliding column 12.

Further, the outer surface of the upper sealing plate 17 and the outer surface of the lower sealing plate 2 are fixedly connected with fixing rings 7, and one side face, far away from each other, of each fixing ring 7 is fixedly connected with one side face, close to the upper connecting plate 11 and the lower connecting plate 1, of each upper connecting plate 11 and one side face, close to the lower connecting plate 1, of each lower connecting plate 1.

In this embodiment, through the solid fixed ring 7 that sets up, can fix upper junction plate 11 and last shrouding 17, effectively increase upper junction plate 11 and last shrouding 17 connection stability, the stability of the bridge of being convenient for.

Furthermore, a lead core 10 is fixedly embedded in the damping rubber block 9, and the lead core 10 is located in the middle of the damping rubber block 9.

In this embodiment, the lead core 10 is provided to effectively bear the gravity and horizontal force of the bridge, and improve the damping performance of the damping rubber block 9.

Furthermore, two sets of symmetrical fixing holes 5 are formed in the upper surfaces of the upper connecting plate 11 and the lower connecting plate 1, and the number of the fixing holes 5 is at least six.

In this embodiment, through the fixed orifices 5 that set up, can make things convenient for the staff to the fixed of upper junction plate 11 and lower connecting plate 1, the installation work of the staff of being convenient for.

Furthermore, the front of the lower connecting plate 1 and the rear of the lower connecting plate 1 are both provided with a movable handle 21, and one ends of the two movable handles 21 close to each other are respectively fixedly connected with the front of the lower connecting plate 1 and the back of the lower connecting plate 1.

In this embodiment, the movable handle 21 is provided to facilitate the movement of the lower connecting plate 1 by the worker, thereby facilitating the installation work of the worker.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, a worker holds the moving handle 21 to move and place the lower connecting plate 1 and the damping rubber block 9 on a pier, the lower connecting plate 1 is fixed through the fixing hole 5, and simultaneously, the upper connecting plate 11 is fixed at the bottom of the bridge through the fixing hole 5, when the bridge is used and is subjected to vertical pressure, the upper connecting plate 11 and the upper sealing plate 17 move downwards to extrude the sliding column 12 and the sliding plate 3 downwards so as to compress the damping spring 15, the damping spring 18 is expanded and contracted by utilizing the expansion force of the damping spring 15 and matching with the damping rubber block 9, the damping effect on the bridge is realized, so that the bridge is more stable when in use, meanwhile, the upper connecting plate 11 compresses the sliding cylinder 6, the secondary damping on the bridge is realized by matching with the connecting rod 4, the sliding rod 13 and the expansion spring 18, the expansion spring 18 is expanded and the expansion property of the expansion spring 18 is utilized, effectively increase the shock attenuation effect of bridge, make the bridge more stable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high damping rubber bridge damping bearing of friction type which characterized in that: comprises a lower connecting plate (1), the upper surface of the lower connecting plate (1) is fixedly connected with a lower sealing plate (2), the inner bottom wall of the lower sealing plate (2) is fixedly connected with a damping rubber block (9), the upper surface of the damping rubber block (9) is fixedly connected with an upper sealing plate (17), the upper surface of the upper sealing plate (17) is fixedly connected with an upper connecting plate (11), the outside of the damping rubber block (9) is provided with placing cylinders (16) which are arranged in an annular manner, the inside of each placing cylinder (16) is provided with a damping spring (15), the top end of each damping spring (15) and the bottom end of each damping spring (15) are fixedly connected with sliding plates (3) which are matched with the placing cylinders (16), one side surface of each group of the sliding plates (3) which are far away from each other is fixedly connected with sliding columns (12), and the upper surface of each placing cylinder (16) and the bottom surface of each placing cylinder (16) are respectively provided with sliding holes (14) matched with the sliding columns (12), each group of sliding columns (12) are respectively provided with two sliding holes (14) at one end far away from each other and fixedly connected with one side face of the upper sealing plate (17) and one side face of the lower sealing plate (2) close to each other, two groups of symmetrical sliding cylinders (6) are fixedly connected with one side face of the upper connecting plate (11) and one side face of the lower connecting plate (1) close to each other, each sliding cylinder (6) is internally provided with a sliding rod (13), the outer surface of each sliding rod (13) is sleeved with a telescopic spring (18), the outer surface of each sliding rod (13) is fixedly connected with a fixing block (19), the front end and the rear end of each telescopic spring (18) are fixedly connected with one side face of the fixing block (19) and the sliding cylinder (6) close to each other, the left side and the right side of the damping rubber block (9) are respectively provided with two connecting rods (4), and each group of the connecting rods (4) are fixedly hinged through pin shafts, and one end of each group of the connecting rods (4) which are far away from each other is fixedly connected with one end of each group of the sliding rods (13) which are close to each other.

2. The friction type high damping rubber bridge damping support of claim 1, characterized in that: each group of slide bar (13) one end of keeping away from each other all is equipped with limiting plate (20), and two sets of a side that limiting plate (20) are close to each other respectively with the one end fixed connection that two sets of slide bar (13) kept away from each other.

3. The friction type high damping rubber bridge damping support of claim 1, characterized in that: the outer surface of each sliding column (12) is fixedly connected with a stabilizing plate (8), and one side face, far away from each other, of each stabilizing plate (8) is fixedly connected with one side face, close to each other, of the upper sealing plate (17) and the lower sealing plate (2) respectively.

4. The friction type high damping rubber bridge damping support of claim 1, characterized in that: go up the surface of shrouding (17) and the equal fixedly connected with in surface of shrouding (2) down and fix ring (7), two a side that fixed ring (7) kept away from each other is respectively with a side fixed connection that upper junction plate (11) and lower connecting plate (1) are close to each other.

5. The friction type high damping rubber bridge damping support of claim 1, characterized in that: the lead core (10) is fixedly embedded in the damping rubber block (9), and the lead core (10) is located in the middle of the damping rubber block (9).

6. The friction type high damping rubber bridge damping support of claim 1, characterized in that: two sets of symmetrical fixed orificess (5) have all been seted up to the upper surface of upper junction plate (11) and lower connecting plate (1), the quantity of fixed orificess (5) is six at least.

7. The friction type high damping rubber bridge damping support of claim 1, characterized in that: the front of the lower connecting plate (1) and the rear of the lower connecting plate (1) are respectively provided with a movable handle (21), and one ends of the two movable handles (21) close to each other are respectively fixedly connected with the front of the lower connecting plate (1) and the back of the lower connecting plate (1).