CN109537438B

CN109537438B - Public road bridge roof beam shock absorber support

Info

Publication number: CN109537438B
Application number: CN201811486235.0A
Authority: CN
Inventors: 高猛; 刘杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2021-01-22
Anticipated expiration: 2038-12-06
Also published as: CN109537438A

Abstract

The invention discloses a highway bridge damping support which comprises a bridge plate, a supporting column and a concrete base, wherein the concrete base is arranged at the bottom end of the supporting column, a damping boss is arranged in the center of the top end of the supporting column, a plurality of damping holes matched with the damping boss are uniformly formed in the center of the top end of the supporting column, the top end of each damping hole is communicated with the damping boss, a damping rod is arranged in each damping hole, a first spring matched with the damping hole is arranged at the bottom end of each damping rod, a supporting plate is arranged at the top end of each damping rod, a damping plate is arranged at the top end of each supporting plate, and the bridge plate is arranged at; the vibration on the highway bridge is transmitted downwards through the bridge plate, primary vibration absorption is carried out through the vibration absorption plate, and secondary vibration absorption is carried out on the residual wave after vibration absorption under the action of the vibration absorption rod and the first spring, so that the vibration absorption effect is greatly improved, and the absorption and the weakening of the vibration of the highway bridge can be effectively realized; simultaneously the second spring and the cooperation of shock attenuation boss each other further promote inhaling of shock attenuation board and first spring, shock attenuation effect.

Description

Public road bridge roof beam shock absorber support

Technical Field

The invention relates to the technical field of highway bridges, in particular to a shock absorption bracket for a highway bridge.

Background

The highway bridge engineering refers to the planning, design, construction, maintenance and repair of the structure of the highway crossing over water areas, valleys and all traffic channels.

Bridge bearings are important structural components that connect the superstructure and substructure of a bridge. The device can reliably transfer the counter force and deformation (displacement and corner) of the upper bridge structure to the lower bridge structure, so that the actual stress condition of the structure conforms to the calculated theoretical diagram.

In order to absorb the shock on the highway bridge and start the buffering function, a buffering device is usually required to be arranged on the bridge support, but the traditional buffering device has a too simple structure and lacks a mutually-auxiliary damping device, so that once the traditional buffering device is damaged, the buffering function disappears suddenly, the danger of the highway bridge is greatly increased, and even a safety accident is induced.

Disclosure of Invention

The invention aims to provide a shock absorption bracket for a highway bridge, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a public road bridge roof beam shock absorber support, including the bridge slab, support column and concrete base, the bottom of support column is equipped with concrete base, the top central authorities of support column are equipped with the shock attenuation boss, the even shock attenuation hole that is equipped with a plurality of and shock attenuation boss matched with in top central authorities of support column, the top through connection shock attenuation boss in shock attenuation hole, be equipped with the shock attenuation pole in the shock attenuation hole, be sliding connection between shock attenuation hole and the shock attenuation pole, the bottom of shock attenuation pole is equipped with the first spring with shock attenuation hole matched with, the top of shock attenuation pole is equipped with the backup pad, the top of backup pad is equipped with the shock attenuation board, the top of.

Furthermore, the outside end cover of shock attenuation boss is equipped with the second spring with backup pad matched with, and the top fixed connection of second spring is on the top of backup pad.

Further, the outside cover of second spring is equipped with the protective sheath, and the top fixed connection of protective sheath is on the top of backup pad, and the bottom fixed connection of protective sheath is on the top of support column.

Further, the protective sleeve is a shrinkable sleeve.

Further, the shock attenuation board includes first guard plate, buffer layer and second guard plate, and the top of buffer layer is equipped with first guard plate, and the bottom of buffer layer is equipped with the second guard plate.

Furthermore, the side chamber is equipped with in the side middle part about the support column, and the shock absorption hole is inhaled in the through connection to the side intracavity, inhales to inhale and is equipped with to inhale and inhale the shake pole, inhale shake the shake hole and inhale and shake between the shake pole be sliding connection, inhale the upper and lower terminal surface symmetry of shake pole be equipped with inhale shake hole complex third spring, inhale the articulated auxiliary stay pole of outside end middle part through first hinge ear of inhaling of shake pole, the other end of auxiliary stay pole articulates the bottom effect at the bridge plate through the second hinge ear.

Further, the shock absorbing apertures and the side chambers appear to be in a perpendicular relationship to each other.

Further, the shock absorbing holes and the supporting columns are in parallel relation.

Compared with the prior art, the vibration on the highway bridge is transmitted downwards through the bridge plate, most of the vibration is subjected to primary vibration reduction through the vibration reduction plate, the residual wave after vibration reduction is continuously transmitted downwards, and secondary vibration reduction is performed under the action of the vibration reduction rod and the first spring, so that the vibration reduction effect is greatly improved, and the absorption and the attenuation of the vibration of the highway bridge can be effectively realized; meanwhile, the shock absorption and shock absorption effects of the shock absorption plate and the first spring are further assisted and improved through the mutual matching of the second spring and the shock absorption boss; the part vibrations are transmitted through auxiliary stay pole and are inhaled on the shake pole to utilize the third spring to absorb and weaken, thereby further promote holistic shock attenuation, inhale shake the effect, the effectual damping device combination of multiunit, and mutually support, make the shock attenuation effect promote by a wide margin, and can effectually avoid partial device to damage the back, lack damping device and inhale shake, absorbing phenomenon appears.

Drawings

FIG. 1 is a schematic structural view of a shock absorbing bracket for road bridges according to the present invention;

FIG. 2 is a schematic structural view of a damping plate of the damping bracket for road bridges according to the present invention;

fig. 3 is a schematic structural view of a shock absorbing rod of the shock absorbing bracket for a road bridge according to the present invention.

In the figure: 1-bridge plate, 2-support column, 3-concrete base, 4-damping hole, 5-damping rod, 6-first spring, 7-support plate, 8-damping plate, 81-first protection plate, 82-damping layer, 83-second protection plate, 9-damping boss, 10-second spring, 11-protective sleeve, 12-side cavity, 13-damping hole, 14-damping rod, 15-third spring, 16-first hinge lug, 17-auxiliary support rod and 18-second hinge lug.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, a shock absorbing support for a highway bridge comprises a bridge plate 1, a support pillar 2 and a concrete base 3, wherein the concrete base 3 is arranged at the bottom end of the support pillar 2, a shock absorbing boss 9 is arranged at the center of the top end of the support pillar 2, a plurality of shock absorbing holes 4 matched with the shock absorbing boss 9 are uniformly arranged at the center of the top end of the support pillar 2, the top end of each shock absorbing hole 4 is communicated with the shock absorbing boss 9, a shock absorbing rod 5 is arranged in each shock absorbing hole 4, the shock absorbing holes 4 are in sliding connection with the shock absorbing rods 5, a first spring 6 matched with the shock absorbing holes 4 is arranged at the bottom end of each shock absorbing rod 5, a support plate 7 is arranged at the top end of each support plate 7, a shock absorbing plate 8 is arranged at the top end of each shock absorbing plate 8, the shock on the highway bridge is transmitted downwards through the bridge plate 1 and is absorbed once through the shock absorbing plate, the effect through shock attenuation pole 5 and first spring 6 carries out the secondary shock attenuation for the shock attenuation effect promotes by a wide margin, can effectual realization to the absorption and the weakening of highway bridge vibrations.

Example 2

This embodiment is further elaborated on embodiment 1's basis, the outside end cover of shock attenuation boss 9 is equipped with second spring 10 with backup pad 7 matched with, the top fixed connection of second spring 10 is on the top of backup pad 7, the outside cover of second spring 10 is equipped with protective sheath 11, protective sheath 11 is collapsible cover, and the top fixed connection of protective sheath 11 is on the top of backup pad 7, and the bottom fixed connection of protective sheath 11 is on the top of support column 2, through mutually supporting of second spring 10 and shock attenuation boss 9, further supplementary shock attenuation board 8 and the inhaling of first spring 6, the shock attenuation effect of promoting, the effectual damping device combination of multiunit, and mutually support for the shock attenuation effect promotes by a wide margin, and can effectually avoid partial device to damage the back, lack damping device and inhale the shake, the absorbing phenomenon appears.

The buffer board 8 includes first guard plate 81, buffer layer 82 and second guard plate 83, the top of buffer layer 82 is equipped with first guard plate 81, and the bottom of buffer layer 82 is equipped with second guard plate 83, utilizes first guard plate 81 and second guard plate 83 protection buffer layer 82, improves the antifatigue reduction of buffer layer 82, improves the life of buffer layer 82.

Example 3

The present embodiment is further explained on the basis of embodiment 1, a side cavity 12 is disposed in the middle of the left and right side ends of the supporting column 2, a shock absorbing hole 13 is connected in the side cavity 12 in a penetrating manner, the shock absorbing hole 13 and the side cavity 12 are in a mutually perpendicular relationship, the shock absorbing hole 13 and the supporting column 2 are in a mutually parallel relationship, a shock absorbing rod 14 is disposed in the shock absorbing hole 13, the shock absorbing hole 13 and the shock absorbing rod 14 are in a sliding connection, third springs 15 matched with the shock absorbing hole 13 are symmetrically disposed on the upper and lower end surfaces of the shock absorbing rod 14, the middle of the outer side end of the shock absorbing rod 14 is hinged to an auxiliary supporting rod 17 through a first hinge lug 16, the other end of the auxiliary supporting rod 17 is hinged to the bottom end of the bridge slab 1 through a second hinge lug 18, and the shock on the road bridge is transmitted to the shock absorbing rod 14 through the auxiliary supporting rod 17 and is absorbed and attenuated by, Shock absorption effect.

According to the working principle of the embodiment 1-3, the vibration on the highway bridge is transmitted downwards through the bridge plate 1, most of the vibration is subjected to primary damping through the damping plate 8, the residual wave after damping is continuously transmitted downwards, and secondary damping is performed under the action of the damping rod 5 and the first spring 6, so that the damping effect is greatly improved, and the absorption and the attenuation of the vibration on the highway bridge can be effectively realized; meanwhile, the shock absorption and shock absorption effects of the shock absorption plate 8 and the first spring 6 are further assisted to be improved through the mutual matching of the second spring 10 and the shock absorption boss 9; the part vibrations are transmitted through auxiliary stay bar 17 and are inhaled on shake pole 14 to utilize third spring 15 to absorb and weaken, thereby further promote holistic shock attenuation, inhale shake the effect, the effectual damping device combination of multiunit, and mutually support, make the shock attenuation effect promote by a wide margin, and can effectually avoid partial device to damage the back, lack damping device and inhale shake, absorbing phenomenon appears.

The novel shock absorption device has the innovation points that the shock on the highway bridge is transmitted downwards through the bridge plate 1, the primary shock absorption is carried out through the shock absorption plate 8, the residual wave after shock absorption is continuously transmitted downwards, and the secondary shock absorption is carried out through the shock absorption rod 5 and the first spring 6, so that the shock absorption effect is greatly improved, and the shock absorption and the shock attenuation of the highway bridge can be effectively realized; simultaneously, through mutually supporting of second spring 10 and shock attenuation boss 9, further supplementary the inhaling of promoting shock attenuation board 8 and first spring 6, shock attenuation effect, the effectual damping device combination of multiunit, and mutually support for the shock attenuation effect promotes by a wide margin, and can effectually avoid partial device to damage the back, lacks damping device and inhale shake, absorbing phenomenon appearance.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A shock absorption bracket for a highway bridge comprises a bridge plate (1), a support column (2) and a concrete base (3), wherein the concrete base (3) is arranged at the bottom end of the support column (2), a shock absorption boss (9) is arranged in the center of the top end of the support column (2), a plurality of shock absorption holes (4) matched with the shock absorption boss (9) are uniformly formed in the center of the top end of the support column (2), the shock absorption bracket is characterized in that the top end of the shock absorption hole (4) is communicated with the shock absorption boss (9), a shock absorption rod (5) is arranged in the shock absorption hole (4), the shock absorption hole (4) is in sliding connection with the shock absorption rod (5), a first spring (6) matched with the shock absorption hole (4) is arranged at the bottom end of the shock absorption rod (5), a support plate (7) is arranged at the top end of the support plate (7), a shock absorption plate (8) is arranged at the top, the middle part of the left side end and the right side end of the supporting column (2) is provided with a side cavity (12), the inside of the side cavity (12) is connected with a shock absorbing hole (13), a shock absorbing rod (14) is arranged in the shock absorbing hole (13), the shock absorbing hole (13) is connected with the shock absorbing rod (14) in a sliding manner, the upper end surface and the lower end surface of the shock absorbing rod (14) are symmetrically provided with a third spring (15) matched with the shock absorbing hole (13), the middle part of the outer side end of the shock absorbing rod (14) is hinged with an auxiliary supporting rod (17) through a first hinge lug (16), and the other end of the auxiliary supporting rod (17) is hinged with the bottom end of the bridge.

2. The road bridge damping support according to claim 1, characterized in that the outer side end of the damping boss (9) is sleeved with a second spring (10) matched with the support plate (7), and the top end of the second spring (10) is fixedly connected to the top end of the support plate (7).

3. The road bridge damping support according to claim 2, characterized in that the outer side of the second spring (10) is sleeved with a protective sleeve (11), the top end of the protective sleeve (11) is fixedly connected to the top end of the supporting plate (7), and the bottom end of the protective sleeve (11) is fixedly connected to the top end of the supporting column (2).

4. A road bridge damping brace according to claim 3, characterised in that the protective casing (11) is a shrinkable casing.

5. The road bridge damping support according to claim 1, characterized in that the damping plate (8) comprises a first protection plate (81), a damping layer (82) and a second protection plate (83), the first protection plate (81) is arranged at the top end of the damping layer (82), and the second protection plate (83) is arranged at the bottom end of the damping layer (82).

6. A road bridge beam shock absorbing mounting according to claim 1, wherein the shock absorbing apertures (13) and the side chambers (12) are in a seemingly orthogonal relationship.

7. A road bridge shock absorbing mounting according to claim 6, wherein the shock absorbing apertures (13) are in parallel relationship with the support posts (2).