CN210946450U

CN210946450U - Bridge limiting device

Info

Publication number: CN210946450U
Application number: CN201920726837.2U
Authority: CN
Inventors: 肖顽强
Original assignee: Fujian Wanbang Qingyuan Environmental Protection Technology Co ltd
Current assignee: Liu Li; Luo Shuhao; Sichuan Yunhe Jingcong Construction Labor Co.,Ltd.; Yin Huayu
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-07-07
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a bridge stop device, which comprises a base, the base top is equipped with the pontic, and the bottom of pontic is equipped with a pair of connecting plate, has a spacing post on the bottom of connecting plate, and the bottom of spacing post stretches into the spacing inslot that corresponds on the base, and spacing post and spacing groove sliding fit are equipped with first buffer between the diapire of spacing post and spacing groove, and the both sides of spacing post are equipped with the second buffer between the lateral wall that corresponds with the spacing groove respectively, and first buffer includes a plurality of rubber buffer and the first spring of a plurality of. Owing to adopted above-mentioned structure, make the utility model discloses have excellent shock attenuation buffer function, improved the utility model discloses a security.

Description

Bridge limiting device

Technical Field

The utility model relates to a bridge technical field, concretely relates to bridge stop device.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

Chinese patent CN201721509898.0 discloses a limiting device for a municipal bridge, which comprises a base, wherein two symmetrical grooves are formed in the upper surface of the base, a bridge body is placed above the base, two symmetrical connecting plates are placed on the bottom surface of the bridge body, two groups of symmetrical threaded pipes are fixedly embedded in the bottom surface of the bridge body, two groups of symmetrical through holes are formed in the bottom surface of each connecting plate, a cylindrical limiting column is fixedly connected to the middle of the bottom surface of each connecting plate, the two limiting columns respectively correspond to the two grooves, first strong springs are fixedly connected to the inner bottom wall of each groove, the top ends of the first strong springs are fixedly connected to the bottom surface of a pressing plate, a fixed block is fixedly connected to the middle of the upper surface of the base, push blocks are respectively placed on two sides of each limiting column, one side surface of each two groups of push blocks, which are close to each other, is fixedly connected to the left side surface and the right, one side that two sets of ejector pads kept away from each other respectively with the edge fixed connection of base upper surface, two ejector pads are close to the equal fixedly connected with second powerful spring in middle part of one side each other, and the equal fixedly connected with push pedal of one end that the ejector pad was kept away from to every second powerful spring.

In the above patent document, the impact on the bridge body caused by the influence of natural disasters and external force is buffered by arranging the first strong spring and the second strong spring, and when the impact force is large, the first strong spring or the second strong spring is deformed irreversibly, so that the first strong spring and the second strong spring lose the damping and buffering performance.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the main object of the present invention is to provide a bridge limiting device with good buffering effect, long service life and high safety.

The purpose of the utility model is realized with the following mode:

the utility model provides a bridge stop device, includes the base, the base top is equipped with the pontic, the bottom of pontic is equipped with a pair of connecting plate, a spacing post has on the bottom of connecting plate, the bottom of spacing post stretches into the spacing inslot that corresponds on the base, just spacing post with spacing groove sliding fit, wherein, spacing post with be equipped with first buffer between the diapire of spacing groove, the both sides of spacing post respectively with be equipped with second buffer between the lateral wall that the spacing groove corresponds, first buffer includes:

the rubber buffer pieces are arranged between the bottom end of the limiting column and the bottom wall of the limiting groove, and each rubber buffer piece comprises a first rubber buffer piece positioned at the upper end of the center of the bottom wall of the limiting groove and a plurality of second rubber buffer pieces surrounding the first rubber buffer piece;

the first spring of a plurality of, the first spring setting of a plurality of be in the bottom of spacing post with between the diapire of spacing groove, the first spring of a plurality of encircle outside the first rubber bolster, and the first spring of a plurality of is located between first rubber bolster and the second rubber bolster.

Further, first rubber buffer piece/second rubber buffer piece are including consecutive round platform rubber column, path rubber column and big footpath rubber column, the tip of round platform rubber column with the bottom of spacing post links to each other, the tip of round platform rubber column with the upper end of path rubber column links to each other, the lower extreme of big footpath rubber column with the diapire of spacing groove links to each other.

Furthermore, the large-diameter rubber column is sleeved on the convex column corresponding to the upper end of the bottom wall of the limiting groove.

Furthermore, the upper portion of the first spring is sleeved on a first guide post corresponding to the lower end of the limiting post, and the lower portion of the first spring is sleeved on a second guide post corresponding to the upper end of the bottom wall of the limiting groove.

Further, the second buffer device includes:

the pressing plate is arranged on one side corresponding to the limiting column, and one end of the pressing plate extends into the guide groove on the side wall corresponding to the limiting groove;

one end of the rubber pad is connected with one side of the pressing plate, and the other end of the rubber pad is connected with the fixing plate on the base.

Still further, the second buffer device further includes:

one end of the connecting rod is pivoted on the pressing plate, the other end of the connecting rod is pivoted on a moving block, and the moving block is in sliding fit with the guide pillar on the fixed plate;

one end of the tension spring is fixed on the base, and the other end of the tension spring is fixed on the moving block;

and the second spring is arranged between the moving block and the fixed plate and is sleeved on the guide post.

Still further, the second buffer device further comprises a third spring, and the third spring is arranged between the pressure plate and the bottom wall of the guide groove.

Furthermore, a groove is formed in the bottom wall of the guide groove, and the fixing plate is arranged on the bottom wall of the groove.

Furthermore, a sinking groove is formed in the moving block and is in sliding fit with the guide pillar.

Furthermore, the fixing plate is provided with a mounting hole, one end of the guide post is connected with the bottom wall of the mounting hole, and one end of the second spring abuts against the bottom wall of the mounting hole.

The utility model has the advantages that: because the utility model is provided with the first buffer device and the second buffer device, when natural disasters occur, the first buffer device can buffer the impact force received by the bridge body, and when the first buffer device receives the external force, the second buffer device can buffer the external force received by the bridge body; first buffer includes the first spring of a plurality of rubber bolster and a plurality of, when taking place natural disasters, rubber bolster and first spring can cushion the impact force that the pontic received, thereby make the energy transformation rubber bolster and the elastic potential energy of first spring, second buffer includes the rubber pad, the connecting rod, the movable block, the extension spring, second spring and third spring, when the pontic received the exogenic action, the energy that produces because of external force can turn into the rubber pad, the extension spring, the elastic potential energy of second spring and third spring and the kinetic energy of connecting rod and movable block, thereby make the pontic be in steady state always, improved the utility model discloses a security.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view at I of FIG. 1;

fig. 3 is an enlarged view at H in fig. 1.

The notation in the figure is: the rubber buffer comprises a base 10, a limiting groove 11, a convex column 111, a guide groove 112, a groove 1121, a second directional column 113, a fixing plate 12, a guide column 121, a mounting hole 122, a bridge 20, a connecting plate 30, a limiting column 31, a first guide column 311, a pressing plate 312, a first rubber buffer 40a, a second rubber buffer 40b, a circular truncated cone rubber column 41, a small-diameter rubber column 42, a large-diameter rubber column 43, a first spring 50, a rubber pad 60, a connecting rod 70, a moving block 80, a sunken groove 81, a tension spring 90, a second spring 100 and a third spring 110.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a bridge limiting device as shown in fig. 1 includes a base 10, a bridge 20 is disposed above the base 10, a pair of connecting plates 30 is disposed at the bottom of the bridge 20, a limiting post 31 is disposed at the bottom end of each connecting plate 30, the bottom end of each limiting post 31 extends into a corresponding limiting groove 11 of the base 10, the limiting post 31 is in sliding fit with the limiting groove 11, a first buffer device is disposed between each limiting post 31 and the bottom wall of the corresponding limiting groove 11, when a natural disaster occurs, the first buffer device can buffer an impact force applied to the bridge 20, second buffer devices are disposed between the two sides of each limiting post 31 and the corresponding side walls of the corresponding limiting groove 11, when an external force is applied, the second buffer devices can buffer the external force applied to the bridge 20, so that the bridge 20 is always in a stable state, the safety of the bridge limiting device is improved.

As shown in fig. 2, the first buffering device includes a plurality of rubber buffers and a plurality of first springs 50, the plurality of rubber buffers are disposed between the bottom end of the limiting post 31 and the bottom wall of the limiting groove 11, the plurality of rubber buffers include a first rubber buffer 40a and a plurality of second rubber buffers 40b, the first rubber buffers 40a and the plurality of second rubber buffers 40b are disposed outside the first rubber buffer 40a, the plurality of first springs 50 are disposed between the bottom end of the limiting post 31 and the bottom wall of the limiting groove 11, the plurality of first springs 50 are disposed outside the first rubber buffer 40a, the plurality of first springs 50 are disposed between the first rubber buffer 40a and the plurality of second rubber buffers 40b, the first rubber buffer 40 a/the second rubber buffers 40b include rubber posts 41, circular truncated cones 40b, and the circular cones are sequentially connected to each other, The small end of the circular truncated cone rubber column 41 is connected with the bottom end of the limiting column 31, the large end of the circular truncated cone rubber column 41 is connected with the upper end of the small diameter rubber column 42, the lower end of the large diameter rubber column 43 is connected with the bottom wall of the limiting groove 11, the large diameter rubber column 43 is sleeved on a convex column 111 corresponding to the upper end of the bottom wall of the limiting groove 11, the upper portion of the first spring 50 is sleeved on a first guide column 311 corresponding to the lower end of the limiting column 31, and the lower portion of the first spring 50 is sleeved on a second guide column 113 corresponding to the upper end of the bottom wall of the limiting groove 11.

When natural disasters occur, impact force can be generated on the bridge body 20, so that the bridge body 20 descends, the limiting columns 31 compress the rubber buffer parts and the first springs 50, energy of the impact force received by the bridge body 20 is converted into elastic potential energy of the rubber buffer parts and the first springs 50, the impact force received by the bridge body 20 is buffered, and the service life of the bridge limiting device is prolonged.

In this embodiment, because the large-diameter rubber column 43 is disposed on the corresponding convex column 111, the first rubber buffer 40 a/the second rubber buffer 40b can be prevented from being excessively deformed, the service life of the first buffer device is prolonged, and the service life of the bridge limiting device is further prolonged.

As shown in fig. 3, the second buffering device includes a pressing plate 312, a rubber pad 60, a connecting rod 70, a tension spring 90, a second spring 100 and a third spring 110, the pressing plate 312 is disposed on a side corresponding to the limiting post 31, one end of the pressing plate 312 extends into the guide groove 112 on the side wall corresponding to the limiting groove 11, one end of the rubber pad 60 is connected to one side of the pressing plate 312, the other end of the rubber pad 60 is connected to the fixed plate 12 on the base 10, one end of the connecting rod 70 is pivoted to the pressing plate 312, the other end of the connecting rod 70 is pivoted to a moving block 80, the moving block 80 is slidably engaged with the guide post 121 on the fixed plate 12, one end of the tension spring 90 is fixed to the base 10, the other end of the tension spring 90 is fixed to the moving block 80, the second spring 100 is disposed between the moving block 80 and the fixed plate 12, the second spring 100 is sleeved on the guide post 121, and the third spring 110 is disposed between the pressing plate 312 and the bottom wall of the guide groove 112.

In this embodiment, a groove 1121 is formed in a bottom wall of the guide groove 112, the fixed plate 12 is disposed on the bottom wall of the groove 1121, a sunken groove 81 is formed in the moving block 80, the sunken groove 81 is slidably engaged with one end of the guide post 121, a mounting hole 122 is formed in the fixed plate 12, the other end of the guide post 121 is connected to the bottom wall of the mounting hole 122, one end of the second spring 100 abuts against the bottom wall of the mounting hole 122, and the other end of the second spring 100 abuts against the moving block 80.

When the bridge 20 is acted by an external force, the bridge 20 is moved left or right, so that the pressing plate 312 is moved left or right, the rubber pad 60 and the third spring 110 are compressed, the connecting rod 70 rotates to cause the tension spring 90 to be elongated, the moving block 80 moves to compress the second spring 100, a part of energy of the external force applied to the bridge 20 is converted into elastic potential energy of the rubber pad 60, the third spring 110, the tension spring 90 and the second spring 100, and the other part of energy is converted into kinetic energy of the connecting rod 70 and the moving block 80, so that the bridge 20 is protected, the service life of the bridge limiting device is prolonged, and the safety of the bridge limiting device is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 stop device, includes base (10), base (10) top is equipped with the pontic (20), the bottom of pontic (20) is equipped with a pair of connecting plate (30), a spacing post (31) has on the bottom of connecting plate (30), the bottom of spacing post (31) stretches into in corresponding spacing groove (11) on base (10), just spacing post (31) with spacing groove (11) sliding fit, a serial communication port, spacing post (31) with be equipped with first buffer between the diapire of spacing groove (11), the both sides of spacing post (31) respectively with be equipped with second buffer between the lateral wall that spacing groove (11) correspond, first buffer includes:

the rubber buffer parts are arranged between the bottom end of the limiting column (31) and the bottom wall of the limiting groove (11), and each rubber buffer part comprises a first rubber buffer part (40a) positioned at the upper end of the center of the bottom wall of the limiting groove (11) and a plurality of second rubber buffer parts (40b) surrounding the first rubber buffer part (40 a);

the first spring of a plurality of (50), a plurality of (50) set up the bottom of spacing post (31) with between the diapire of spacing groove (11), a plurality of first spring (50) encircle outside first rubber buffer (40a), and a plurality of first spring (50) are located between first rubber buffer (40a) and a plurality of second rubber buffer (40 b).

2. The bridge limiting device according to claim 1, wherein the first rubber buffer member (40 a)/the second rubber buffer member (40b) comprises a circular truncated cone rubber column (41), a small-diameter rubber column (42) and a large-diameter rubber column (43) which are sequentially connected, the small end of the circular truncated cone rubber column (41) is connected with the bottom end of the limiting column (31), the large end of the circular truncated cone rubber column (41) is connected with the upper end of the small-diameter rubber column (42), and the lower end of the large-diameter rubber column (43) is connected with the bottom wall of the limiting groove (11).

3. The bridge limiting device according to claim 2, wherein the large-diameter rubber column (43) is sleeved on the corresponding convex column (111) at the upper end of the bottom wall of the limiting groove (11).

4. The bridge spacing device according to claim 3, wherein the upper part of the first spring (50) is sleeved on the first guide post (311) corresponding to the lower end of the spacing post (31), and the lower part of the first spring (50) is sleeved on the second guide post (113) corresponding to the upper end of the bottom wall of the spacing groove (11).

5. The bridge restraint of claim 1 wherein the second dampening device comprises:

the pressing plate (312) is arranged on one side corresponding to the limiting column (31), and one end of the pressing plate (312) extends into the guide groove (112) on the side wall corresponding to the limiting groove (11);

one end of the rubber pad (60) is connected with one side of the pressing plate (312), and the other end of the rubber pad (60) is connected with the fixing plate (12) on the base (10).

6. The bridge restraint of claim 5 wherein the second bumper device further comprises:

one end of the connecting rod (70) is pivoted on the pressing plate (312), the other end of the connecting rod (70) is pivoted on a moving block (80), and the moving block (80) is in sliding fit with the guide post (121) on the fixed plate (12);

one end of the tension spring (90) is fixed on the base (10), and the other end of the tension spring (90) is fixed on the moving block (80);

the second spring (100) is arranged between the moving block (80) and the fixed plate (12), and the second spring (100) is sleeved on the guide post (121).

7. The bridge restraint of claim 6 wherein the second dampening device further comprises a third spring (110), the third spring (110) being disposed between the pressure plate (312) and the bottom wall of the guide slot (112).

8. The bridge limiting device according to claim 7, wherein a groove (1121) is formed in the bottom wall of the guide groove (112), and the fixing plate (12) is arranged on the bottom wall of the groove (1121).

9. The bridge limiting device according to claim 8, wherein a sinking groove (81) is formed in the moving block (80), and the sinking groove (81) is in sliding fit with the guide post (121).

10. The bridge limiting device according to claim 9, wherein a mounting hole (122) is formed in the fixing plate (12), one end of the guide post (121) is connected to a bottom wall of the mounting hole (122), and one end of the second spring (100) abuts against the bottom wall of the mounting hole (122).