CN215210496U

CN215210496U - Public road bridge roof beam shock attenuation buffering support

Info

Publication number: CN215210496U
Application number: CN202121376820.2U
Authority: CN
Inventors: 武健
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-17
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to the technical field of highway bridges, in particular to a shock absorption and buffering support for a highway bridge, which comprises a base, a first shock absorption mechanism, a support seat and a second shock absorption mechanism, wherein the first shock absorption mechanism is arranged inside the base; the second damper includes a plurality of sliders around base evenly distributed, and a plurality of spouts corresponding with the slider are seted up at the top of base, and the equal fixed mounting of lateral wall of a plurality of sliders has the third spring, and the one end fixed mounting that the slider was kept away from to the third spring is at the inner wall of spout, and the top of a plurality of sliders articulates there is flexible loop bar, all overlaps on the flexible loop bar to be equipped with the fourth spring. The utility model discloses can effectively cushion the impact force of earthquake vibration wave, improve the stability of base greatly.

Description

Public road bridge roof beam shock attenuation buffering support

Technical Field

The utility model relates to a public road bridge roof beam technical field especially relates to a public road bridge roof beam shock attenuation buffering support.

Background

The highway bridge engineering, the highway crosses the whole works such as the planning, the design, the construction, the maintenance of the structure of the waters, all traffic channels and all the like, the highway line passes through the waters such as rivers, estuaries, lakes, reservoirs, irrigation canals and the like, or crosses the deep valley zone with large altitude difference or crosses other traffic lines, bridges need to be erected for keeping the smooth traffic, the busy urban area sometimes needs to be provided with elevated roads consisting of elevated bridges, the side mountain roads or the elevated road bed engineering, or the unstable geological structure, or the landscape protection, sometimes the elevated bridges are built without constructing the roadbed, the bridge construction in China is rapidly developed in recent years and becomes an important component in the traffic system, the construction of the bridge has corresponding requirements due to different geographic environments, and the corresponding earthquake resistant requirements are needed in the area with relatively unstable geology, in order to avoid the occurrence of bridge collapse in an earthquake, a damping support is required to be arranged on the basis of the original bridge design;

the Chinese patent CN202020153275.X discloses a road and bridge combined shock absorption support, which enables a telescopic device to perform auxiliary shock absorption on a mobile device after the mobile device is compressed to a certain position by the aid of the matching effect of the telescopic device, so that the mobile device is prevented from being compressed to the limit; however, the shock absorption of the patent is mainly directed to the impact force with the longitudinal direction, the vibration wave generated by the earthquake can be in the longitudinal direction or in the transverse direction, and when the vibration wave is in the transverse direction, the patent cannot perform effective buffering, so that the whole base can be seriously damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has the unable horizontal buffering among the prior art, and the public road bridge roof beam shock attenuation buffering support that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the damping and buffering support for the highway bridge comprises a base, a first damping mechanism, a supporting seat and a second damping mechanism, wherein the first damping mechanism is installed inside the base;

the second damper includes a plurality of sliders around base evenly distributed, a plurality of spouts corresponding to the sliders are seted up at the top of base, and is a plurality of slider slidable mounting is in corresponding spout, and is a plurality of the equal fixed mounting of lateral wall of slider has the third spring, the one end fixed mounting that the slider was kept away from to the third spring is at the inner wall of spout, and is a plurality of the top of slider articulates there is flexible loop bar, the one end that the slider was kept away from to flexible loop bar is articulated with the bottom of supporting seat, all overlap on the flexible loop bar and be equipped with the fourth spring, the central point of supporting seat bottom puts fixed mounting and has the inserted bar, the bottom of inserted bar is pegged graft in the base, and with base sliding connection, the cover is equipped with the fifth spring on the inserted bar.

Preferably, first damper includes the bracing piece, the quantity of bracing piece is a plurality of, and is a plurality of the bracing piece is base evenly distributed around, and is a plurality of the bracing piece run through the roof of base, and with base sliding connection.

Preferably, a plurality of mounting grooves corresponding to the supporting rods are formed in the base, sleeve seats are fixedly mounted at the bottom ends of the mounting grooves, and the bottom ends of the supporting rods are inserted into the sleeve seats and are in sliding connection with the sleeve seats.

Preferably, fixed mounting has the stopper on the bracing piece, the stopper is located inside the mounting groove, the cover is equipped with first spring on the bracing piece, first spring is located the below of stopper.

The utility model provides a pair of public road bridge roof beam shock attenuation buffering support, beneficial effect lies in:

1. the supporting seat moves along with the supporting rod after being subjected to longitudinal impact force, and then the limiting block acts on the first spring to continue potential energy, so that the longitudinal impact force is buffered, and the influence of longitudinal vibration waves on the base in an earthquake is effectively avoided;

2. after the supporting seat is impacted by vibration waves, the inserted bar can generate vertical displacement, meanwhile, the fifth spring accumulates elastic potential energy and is matched with the first spring to slow down vertical impact force, and the third spring and the fourth spring can slow down transverse impact force and longitudinal impact force, so that the influence of transverse vibration waves is reduced, and the stability of the base is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a road bridge damping and buffering support provided by the utility model;

fig. 2 is a schematic view of a part of the structure of a shock-absorbing and buffering support for a road bridge according to the present invention;

fig. 3 is a schematic structural view of a first damping mechanism of a damping and buffering support for a road bridge according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: the damping device comprises a base 1, a first damping mechanism 2, a mounting groove 21, a support rod 22, a sleeve seat 23, a limiting block 24, a first spring 25, a support seat 3, a second damping mechanism 4, a sliding groove 41, a sliding block 42, a third spring 43, a telescopic sleeve rod 44, a fourth spring 45, an insertion rod 46 and a fifth spring 47.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a shock-absorbing buffer support for a highway bridge comprises a base 1, a first shock-absorbing mechanism 2, a support base 3 and a second shock-absorbing mechanism 4, wherein the first shock-absorbing mechanism 2 is installed inside the base 1, the support base 3 is installed at the top end of the first shock-absorbing mechanism 2, and the second shock-absorbing mechanism 4 is installed between the support base 3 and the base 1;

the first damping mechanism 2 comprises a supporting rod 22, the top end of the supporting rod 22 is fixedly connected with the supporting seat 3, and the supporting seat 3 can move up and down through the supporting rod 22; the number of the supporting rods 22 is a plurality, the supporting rods 22 are uniformly distributed around the base 1, the supporting rods 22 penetrate through the top wall of the base 1 and are in sliding connection with the base 1, a plurality of mounting grooves 21 corresponding to the supporting rods 22 are formed in the base 1, sleeve seats 23 are fixedly mounted at the bottom ends of the mounting grooves 21, the bottom ends of the supporting rods 22 are inserted into the sleeve seats 23 and are in sliding connection with the sleeve seats 23, limiting blocks 24 are fixedly mounted on the supporting rods 22, the limiting blocks 24 are used for limiting the displacement of the supporting rods 22, and the phenomenon that the supporting rods 22 jump is avoided; the limiting block 24 is located inside the mounting groove 21, the supporting rod 22 is sleeved with a first spring 25, and the first spring 25 is located below the limiting block 24. The supporting seat 3 moves along with the supporting rod 22 after receiving longitudinal impact force, and then the limiting block 24 acts on the first spring 25 to continue potential energy, so that the longitudinal impact force is buffered, and the influence of longitudinal vibration waves on the base 1 during earthquake is effectively avoided.

The second damping mechanism 4 comprises a plurality of sliding blocks 42 uniformly distributed around the base 1, a plurality of sliding grooves 41 corresponding to the sliding blocks 42 are formed in the top of the base 1, the sliding blocks 42 are slidably mounted in the corresponding sliding grooves 41, third springs 43 are fixedly mounted on the side walls of the sliding blocks 42, and the sliding blocks 42 can act on the third springs 43 to generate buffering elastic force when moving; one end of the third spring 43, which is far away from the sliding blocks 42, is fixedly installed on the inner wall of the sliding groove 41, the top ends of the sliding blocks 42 are hinged with telescopic loop bars 44, and the telescopic loop bars 44 are used for stretching after being stressed; the one end that slider 42 was kept away from to flexible loop bar 44 is articulated with the bottom of supporting seat 3, all overlaps on the flexible loop bar 44 to be equipped with fourth spring 45, and the central point of supporting seat 3 bottom puts fixed mounting has inserted bar 46, and inserted bar 46's bottom is pegged graft in base 1, and with base 1 sliding connection, and the cover is equipped with fifth spring 47 on the inserted bar 46.

After the supporting seat 3 is impacted by vibration waves, the inserting rod 46 can generate vertical displacement, meanwhile, the fifth spring 47 accumulates elastic potential energy to be matched with the first spring 25 to reduce vertical impact force, and the third spring 43 and the fourth spring 45 can reduce transverse impact force and longitudinal impact force, so that the influence of transverse vibration waves is reduced, and the stability of the base 1 is greatly improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A shock absorption buffer support for a highway bridge comprises a base (1), a first shock absorption mechanism (2), a support seat (3) and a second shock absorption mechanism (4), and is characterized in that the first shock absorption mechanism (2) is installed inside the base (1), the support seat (3) is installed at the top end of the first shock absorption mechanism (2), and the second shock absorption mechanism (4) is installed between the support seat (3) and the base (1);

the second damping mechanism (4) comprises a plurality of sliding blocks (42) which are uniformly distributed around the base (1), a plurality of sliding grooves (41) corresponding to the sliding blocks (42) are formed in the top of the base (1), the sliding blocks (42) are slidably mounted in the corresponding sliding grooves (41), and a plurality of sliding blocks (42) are fixedly mounted on the side walls of the sliding blocks (42), third springs (43) are fixedly mounted on the inner walls of the sliding grooves (41) at the ends far away from the sliding blocks (42), telescopic sleeve rods (44) are hinged to the top ends of the sliding blocks (42), one ends, far away from the sliding blocks (42), of the telescopic sleeve rods (44) are hinged to the bottom of the supporting seat (3), fourth springs (45) are sleeved on the telescopic sleeve rods (44), an inserting rod (46) is fixedly mounted at the center position of the bottom of the supporting seat (3), and the bottom end of the inserting rod (46) is inserted into the base (1), And is connected with the base (1) in a sliding way, and a fifth spring (47) is sleeved on the inserted bar (46).

2. The shock-absorbing and buffering support for the road and bridge according to claim 1, wherein the first shock-absorbing mechanism (2) comprises a plurality of support rods (22), the number of the support rods (22) is several, the support rods (22) are uniformly distributed around the base (1), and the support rods (22) penetrate through the top wall of the base (1) and are slidably connected with the base (1).

3. The shock-absorbing and buffering support for the road and bridge according to claim 2, wherein a plurality of mounting grooves (21) corresponding to the support rods (22) are formed in the base (1), sleeve seats (23) are fixedly mounted at the bottom ends of the mounting grooves (21), and the bottom ends of the support rods (22) are inserted into the sleeve seats (23) and are slidably connected with the sleeve seats (23).

4. The shock-absorbing and buffering support for the road and bridge according to claim 3, wherein the support rod (22) is fixedly provided with a limit block (24), the limit block (24) is positioned in the installation groove (21), the support rod (22) is sleeved with a first spring (25), and the first spring (25) is positioned below the limit block (24).