CN210561692U

CN210561692U - Bridge anti-seismic support

Info

Publication number: CN210561692U
Application number: CN201921131626.0U
Authority: CN
Inventors: 靳海燕; 元瑛; 贾璐璐; 赵海飞; 许林浩
Original assignee: Changzhi Tongming Highway Survey And Design Co Ltd
Current assignee: Changzhi Tongming Highway Survey And Design Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-19
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a bridge anti-seismic support, which effectively solves the problems of complex structure, poor anti-seismic effect and insufficient firmness of the existing bridge anti-seismic support, and comprises a bridge body, wherein a support column is fixed at the bottom end of the bridge body, a first damping component is installed at the bottom end of the support column, reinforcing rods are fixed at the two sides of the support column at the bottom end of the bridge body, a support is installed at the bottom end of the support column of a second damping component corresponding to the position of the first damping component, the first damping component comprises a damping layer, a guide sleeve, a damping pad, a first damping spring, a first telescopic column, a first slide block, a first chute, a second damping spring and a second telescopic column, the damping layer is sleeved outside the support column, the utility model has simple structure and convenient use, realizes damping through a multilayer structure, and can realize vertical damping and horizontal damping simultaneously, the shock attenuation is effectual, and the device is more firm simultaneously, has prolonged the life of bridge.

Description

Bridge anti-seismic support

Technical Field

The utility model relates to a bridge shock attenuation technical field specifically is a bridge anti-seismic support.

Background

The bridge is a building constructed for a road to cross natural or artificial barriers, is erected on rivers, lakes and seas, and enables vehicles, pedestrians and the like to smoothly pass through, generally consists of an upper structure, a lower structure and an attached structure, the upper structure mainly refers to a bridge span structure and a support system, the lower structure comprises a bridge abutment, a bridge pier and a foundation, and a bridge support plays a role in supporting and damping in the whole structure of the bridge.

Therefore, how to design an anti-seismic bridge support becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a bridge aseismatic bearing, the effectual current bridge aseismatic bearing structure of having solved is complicated, and the antidetonation effect is poor, the bridge firm problem inadequately simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a bridge body, bridge body bottom mounting has the support column, and first damper assembly is installed to the support column bottom, and bridge body bottom is located the support column both sides and is fixed with the anchor strut, and the anchor strut bottom is installed second damper assembly support column bottom and is corresponded first damper assembly position department and install the support.

Preferably, first damper assembly includes the buffer layer, the guide pin bushing, the shock pad, first damping spring, first flexible post, first slider, first spout, second damping spring and the flexible post of second, the buffer layer has been cup jointed in the support column outside, the guide pin bushing has been cup jointed to the buffer layer outside, the guide pin bushing top is fixed with the shock pad, the support column bottom mounting has first damping spring, support column bottom middle part is fixed with first flexible post, first flexible post bottom is fixed with first slider, the inside first slider position department that corresponds of support has seted up first spout, the outside both sides of first slider are fixed with second damping spring, the outside middle part of first slider is fixed with the flexible post of second.

Preferably, the second damping assembly comprises a third damping spring, a third telescopic column, a second sliding block, a second sliding groove, a fourth damping spring and a fourth telescopic column, the third damping spring is fixed to the bottom end of the reinforcing rod, the third telescopic column is fixed to the middle of the bottom end of the reinforcing rod, the second sliding block is fixed to the bottom end of the third telescopic column, the second sliding groove is formed in the position, corresponding to the second sliding block, of the support, the fourth damping spring is fixed to one side of the outer portion of the second sliding block, and the fourth telescopic column is fixed to the middle of the outer side of the second sliding block.

Preferably, the number of the reinforcing rods is two, and the supporting columns of the supporting reinforcing rods are symmetrically arranged on two sides of the supporting column.

Preferably, the number of the second damping springs and the number of the second telescopic columns are two, and the second damping springs and the second telescopic columns are symmetrically arranged inside the first sliding groove.

Preferably, the shock pad is trapezoidal, and the shock pad has seted up the through-hole corresponding support column position department.

The utility model discloses simple structure, convenient to use realizes the shock attenuation through multilayer structure, can realize vertical shock attenuation and horizontal shock attenuation simultaneously, and the shock attenuation is effectual, and the device is more firm simultaneously, has prolonged the life of bridge.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic sectional view of the overall structure of the present invention;

fig. 2 is a schematic view of a first slider mounting structure of the present invention;

fig. 3 is a schematic view of a second slide block mounting structure of the present invention;

reference numbers in the figures: 1. a bridge body; 2. a support pillar; 3. a first dampening member; 31. a shock-absorbing layer; 32. a guide sleeve; 33. a shock pad; 34. a first damping spring; 35. a first telescopic column; 36. a first slider; 37. a first chute; 38. a second damping spring; 39. a second telescopic column; 4. a reinforcing rod; 5. a second dampening member; 51. a third damping spring; 52. a third telescopic column; 53. a second slider; 54. a second chute; 55. a fourth damping spring; 56. a fourth telescopic column; 6. and (4) a support.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Embodiment one, given by fig. 1, the utility model discloses a

bridge body

1, 1 bottom mounting of bridge body has support column 2, and first damper unit 3 is installed to 2 bottom mounting of support column, and 1 bottom mounting of bridge body has anchor strut 4 in 2 both sides of support column, and anchor strut 4 installs the bottom and installs second damper unit 5 support column 2 bottom and correspond first damper unit 3 position department and install support 6.

In the second embodiment, based on the first embodiment, as shown in fig. 2, the first damping component 3 includes a damping layer 31, a guide sleeve 32, a damping pad 33, a first damping spring 34, a first telescopic column 35, a first sliding block 36, a first sliding groove 37, a second damping spring 38 and a second telescopic column 39, the damping layer 31 is sleeved on the outer side of the support column 2, the guide sleeve 32 is sleeved on the outer side of the damping layer 31, the damping pad 33 is fixed on the top end of the guide sleeve 32, the damping pad 33 plays a role in damping the support column 2 for the first time, the first damping spring 34 is fixed on the bottom end of the support column 2, the first telescopic column 35 is fixed on the middle portion of the bottom end of the support column 2, the first damping spring 34 and the first telescopic column 35 play a role in damping the support column 2 vertically, the first sliding block 36 is fixed on the bottom end of the first telescopic column 35, the first sliding groove 37 is formed in the support 6 corresponding to the first sliding block 36, the second damping spring 38 is fixed on two sides, a second telescopic column 39 is fixed in the middle of the outer side of the first sliding block 36, and the second damping spring 38 and the second telescopic column 39 play a role in transversely damping the supporting column 2.

Third embodiment, on the basis of the first embodiment, as shown in fig. 3, the second damping assembly 5 includes a third damping spring 51, a third telescopic column 52, a second slider 53, a second sliding groove 54, a fourth damping spring 55 and a fourth telescopic column 56, the third damping spring 51 is fixed at the bottom end of the reinforcing rod 4, the third telescopic column 52 is fixed at the middle part of the bottom end of the reinforcing rod 4, the third damping spring 51 and the third telescopic column 52 perform a vertical damping function on the reinforcing rod 4, the second slider 53 is fixed at the bottom end of the third telescopic column 52, the second sliding groove 54 is formed in the position, corresponding to the second slider 53, inside the support 6, the fourth damping spring 55 is fixed at one side of the outside of the second slider 53, the fourth telescopic column 56 is fixed at the middle part of the outside of the second slider 53, and the fourth damping spring 55 and the fourth telescopic column 56 perform a horizontal damping function on the reinforcing rod 4.

In the fourth embodiment, on the basis of the first embodiment, the number of the reinforcing rods 4 is two, and the reinforcing rod support columns 4 are symmetrically arranged on two sides of the support column 2, so that the device is firmer. The service life of the bridge body 1 is prolonged.

In the fifth embodiment, on the basis of the second embodiment, the number of the second damping springs 38 and the second telescopic columns 39 is two, and the second damping springs 38 and the second telescopic columns 39 are symmetrically arranged inside the first sliding grooves 37, so that the damping effect of the device is enhanced.

Sixth embodiment, on the basis of second embodiment, the shock pad 33 is trapezoidal form, increases the area of contact of shock pad 33 and bridge body 1 for the device is more firm, and the shock pad 33 has seted up the through-hole corresponding support column 2 position, and the installation of shock pad 33 is convenient for.

The utility model discloses during the use, the vibrations that bridge body 1 received at first carry out the shock attenuation of once buffering through shock pad 33, then carry out the shock attenuation of secondary buffering through first flexible post 35 and first damping spring 34, the shock attenuation is cushioned through third flexible post 52 and third damping spring 51 to the vibrations that anchor strut 4 received, shock attenuation is vertical shock attenuation before, pressure is through support column 2, shock pad 33, reach support 6 inside and resolve into a horizontal power and a vertical power after first damping spring 34 and the buffering of first flexible post 35, second damping spring 38 and the flexible post 39 of second are used for buffering horizontal power, it is used for the horizontal power of buffer support 6 to cushion anchor strut 4 with fourth damping spring 56 and fourth damping spring 55, the device's shock attenuation effect has been strengthened, prolong bridge body 1's life.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge anti-seismic support, includes bridge body (1), its characterized in that, bridge body (1) bottom mounting has support column (2), and first damper unit (3) are installed to support column (2) bottom, and bridge body (1) bottom is located support column (2) both sides and is fixed with anchor strut (4), and second damper unit (5) support column (2) bottom is installed to anchor strut (4) bottom and is corresponded first damper unit (3) position department and install support (6).

2. The bridge earthquake-proof support according to claim 1, wherein the first damping component (3) comprises a damping layer (31), a guide sleeve (32), a damping pad (33), a first damping spring (34), a first telescopic column (35), a first sliding block (36), a first sliding chute (37), a second damping spring (38) and a second telescopic column (39), the damping layer (31) is sleeved outside the supporting column (2), the guide sleeve (32) is sleeved outside the damping layer (31), the damping pad (33) is fixed at the top end of the guide sleeve (32), the first damping spring (34) is fixed at the bottom end of the supporting column (2), the first telescopic column (35) is fixed at the middle part of the bottom end of the supporting column (2), the first sliding block (36) is fixed at the bottom end of the first telescopic column (35), the first sliding chute (37) is formed in the support (6) at a position corresponding to the first sliding block (36), second damping springs (38) are fixed on two sides of the outer portion of the first sliding block (36), and a second telescopic column (39) is fixed in the middle of the outer side of the first sliding block (36).

3. The bridge anti-seismic support according to claim 1, wherein the second damping assembly (5) comprises a third damping spring (51), a third telescopic column (52), a second sliding block (53), a second sliding groove (54), a fourth damping spring (55) and a fourth telescopic column (56), the third damping spring (51) is fixed at the bottom end of the reinforcing rod (4), the third telescopic column (52) is fixed in the middle of the bottom end of the reinforcing rod (4), the second sliding block (53) is fixed at the bottom end of the third telescopic column (52), the second sliding groove (54) is formed in the support (6) corresponding to the second sliding block (53), the fourth damping spring (55) is fixed on one side of the outer portion of the second sliding block (53), and the fourth telescopic column (56) is fixed in the middle of the outer portion of the second sliding block (53).

4. An anti-seismic bridge support according to claim 1, characterized in that said reinforcing rods (4) are two in number, the reinforcing rods (4) being symmetrically mounted on both sides of the supporting column (2).

5. An anti-seismic bridge support according to claim 2, characterized in that said second damping springs (38) and second telescopic columns (39) are two in number, the second damping springs (38) and the second telescopic columns (39) being symmetrically mounted inside the first runner (37).

6. An anti-seismic bridge support according to claim 2, wherein the shock pad (33) is trapezoidal, and a through hole is formed in the shock pad (33) at a position corresponding to the support column (2).