CN211420842U

CN211420842U - Bridge anti-seismic support

Info

Publication number: CN211420842U
Application number: CN201921317858.5U
Authority: CN
Inventors: 李伟伟; 邓接华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-09-04
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a bridge antidetonation support relates to the bridge field, including the pier, the last fixed surface of pier is connected with steel sheet under the support, and the last fixed surface of steel sheet is connected with down the pillar under the support, and the bottom of upper strut is connected to the top middle part fixed connection of lower pillar, and the outside cover of going up the pillar is equipped with the antidetonation spring, goes up the lower surface middle part of steel sheet on the top fixed connection support of pillar, and the last fixed surface of steel sheet is connected with the roof beam body on the support, and the equal fixed mounting in lower surface both sides of the roof beam body has the mound that. The utility model discloses a set up the lower prop on the pier to cooperation through lower prop and upper prop is used, can support the roof beam body, can exert pressure to the upper prop when the roof beam body receives ambient pressure, and the upper prop will exert pressure to the lower prop, and during, the antidetonation spring receives the extrusion of upper prop, and the elastic force through the antidetonation spring reduces the longitudinal pressure that the roof beam body received, thereby reaches the effect of shock attenuation resistance to compression.

Description

Bridge anti-seismic support

Technical Field

The utility model relates to a bridge field, in particular to bridge anti-seismic support.

Background

The bridge support is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between the bridge and a cushion stone, can reliably transmit load and deformation (displacement and corner) borne by the upper structure of the bridge to the lower structure of the bridge, is an important force transmission device of the bridge, has two types of fixed supports and movable supports, and has the following common support forms in bridge engineering: felt or flat supports, plate rubber supports, ball supports, steel supports, special supports and the like.

At present, the driver of the past vehicle is reduced to drive because the rigidity of the existing bridge support is too high, the existing bridge support does not have the damping function, the stability of the bridge can be reduced in the long term, and the service life of the bridge can be further reduced.

Therefore, it is necessary to invent an anti-seismic bridge support to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge anti-seismic support to solve the current bridge beam supports who proposes in the above-mentioned background art and reduced the driver of passing vehicle because hardness is too high and drive experience, do not possess absorbing function, still can reduce the stability of bridge in the time of the long term, and still can reduce the life's of bridge problem.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-seismic bridge support comprises an abutment, wherein the upper surface of the abutment is fixedly connected with a lower support steel plate, the upper surface of the lower support steel plate is fixedly connected with a lower support, the middle part of the top end of the lower support is fixedly connected with the bottom end of the upper support, an anti-seismic spring is sleeved on the outer side of the upper support, the top end of the upper support is fixedly connected with the middle part of the lower surface of the upper support steel plate, and the upper surface of the upper support steel plate is fixedly connected with a beam body;

the equal fixed mounting in lower surface both sides of the roof beam body has the mound that pushes down, the first connecting plate of bottom fixedly connected with of mound pushes down, the middle part swing joint of first connecting plate step down the one end of post, the other end swing joint of step down the post has the second connecting plate, the one end fixedly connected with briquetting of second connecting plate, one side laminating of briquetting is connected with tetrafluoro rubber.

Optionally, mounting grooves are formed in both sides of the lower support;

the tetrafluoro rubber is positioned in the mounting groove and is attached to the inner wall of the mounting groove.

Optionally, the upper side and the lower side of the pressing block are both fixedly connected with limiting sliding blocks;

the one end that the briquetting was kept away from to spacing slider is laminated with the inner wall of mounting groove mutually.

Optionally, the lower pressing pier is in a convex shape;

thread grooves are formed in two sides of the lower surface of the beam body.

Optionally, the middle part of the first connecting plate is movably connected with one end of the pressure reduction column through a first rotating shaft;

the middle part of the second connecting plate is movably connected with the other end of the pressure reducing column through a second rotating shaft.

Optionally, an embedded steel plate is arranged between the upper steel plate of the support and the beam body;

one side of the steel plate on the support is attached to the lower pressing pier.

Optionally, both ends of the lower pressing pier are fixedly connected with the beam body through fixing bolts;

one end of the fixing bolt is positioned in the thread groove and is fixedly connected with the beam body through the thread groove.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the lower prop on the pier to cooperation through lower prop and upper prop is used, can support the roof beam body, can exert pressure to the upper prop when the roof beam body receives ambient pressure, and the upper prop will exert pressure to the lower prop, and during, the antidetonation spring receives the extrusion of upper prop, and the elastic force through the antidetonation spring reduces the longitudinal pressure that the roof beam body received, thereby reaches the effect of shock attenuation resistance to compression.

2. The utility model discloses when the roof beam body received pressure, the roof beam body can be to pushing down the mound and exert pressure, press through pushing down the mound and move first connecting plate, at this moment first connecting plate will extrude the compression column, use through the cooperation of compression column and second connecting plate and can promote the briquetting to make briquetting extrusion tetrafluoro rubber, thereby also can reduce the pressure that the roof beam body received through tetrafluoro rubber, reach the effect of shock attenuation resistance to compression, make the roof beam body whole more stable, effectively improved the life of the roof beam body.

Drawings

Fig. 1 is a schematic perspective view of the abutment structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic sectional view of the structure of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. pier abutment; 2. a steel plate under the support; 3. a lower pillar; 4. an upper pillar; 5. steel plates are arranged on the supports; 6. a beam body; 7. pressing the pier downwards; 8. a first connecting plate; 9. a pressure reducing column; 10. a second connecting plate; 11. briquetting; 12. a limiting slide block; 13. a tetrafluoroethylene rubber; 14. fixing the bolt; 15. a first rotating shaft; 16. a second rotating shaft; 17. antidetonation spring.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" 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" or "second" 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 specifically limited otherwise.

The utility model provides a bridge anti-seismic support as shown in figures 1-4, which comprises an abutment 1, wherein the upper surface of the abutment 1 is fixedly connected with a lower support steel plate 2, the upper surface of the lower support steel plate 2 is fixedly connected with a lower support 3, the middle part of the top end of the lower support 3 is fixedly connected with the bottom end of an upper support 4, the outer side of the upper support 4 is sheathed with an anti-seismic spring 17, the top end of the upper support 4 is fixedly connected with the middle part of the lower surface of an upper support steel plate 5, the upper surface of the upper support steel plate 5 is fixedly connected with a beam body 6, a pre-embedded steel plate is arranged between the upper support steel plate 5 and the beam body 6, the lower support 3 is arranged on the abutment 1, and the beam body 6 can be supported by matching the lower support 3 and the upper support 4, when the beam body 6 is under external pressure, the upper support 4 can exert pressure on the lower support 3, and during the period, the spring, the longitudinal pressure on the beam body 6 is reduced by the elastic acting force of the anti-seismic spring 17, so that the effects of shock absorption and pressure resistance are achieved;

both sides of the lower surface of the beam body 6 are fixedly provided with a downward-pressing pier 7, the downward-pressing pier 7 is in a convex shape, both sides of the lower surface of the beam body 6 are provided with thread grooves, one side of a steel plate 5 on the support is attached to the downward-pressing pier 7, both ends of the downward-pressing pier 7 are fixedly connected with the beam body 6 through fixing bolts 14, one end of each fixing bolt 14 is positioned in each thread groove and is fixedly connected with the beam body 6 through each thread groove, the bottom end of the downward-pressing pier 7 is fixedly connected with a first connecting plate 8, the middle part of each first connecting plate 8 is movably connected with one end of a pressure-reducing column 9, the other end of each pressure-reducing column 9 is movably connected with a second connecting plate 10, the middle part of each first connecting plate 8 is movably connected with one end of the pressure-reducing column 9 through a first rotating shaft 15, the middle part of each second connecting plate 10 is movably connected with the other end of the pressure-reducing column 9 through a second, the mounting groove has all been seted up to the both sides of lower prop 3, tetrafluoro rubber 13 is located the mounting groove and laminates mutually with the inner wall of mounting groove, the equal fixedly connected with limit slide 12 in both sides about briquetting 11, limit slide 12 keeps away from the one end of briquetting 11 and laminates mutually with the inner wall of mounting groove, when the roof beam body 6 receives pressure, the roof beam body 6 can be to pushing down the 7 pressure that applys pressure of mound, through pushing down the 7 pressure of mound and moving first connecting plate 8, at this moment first connecting plate 8 will extrude pressure reduction post 9, cooperation through pressure reduction post 9 and second connecting plate 10 is used and can be promoted briquetting 11, and make briquetting 11 extrude tetrafluoro rubber 13, thereby also can reduce the pressure that the roof beam body 6 received through tetrafluoro rubber 13, reach the effect of shock attenuation resistance to compression, make roof beam body 6 whole more stable, the life of roof beam body 6 has effectively.

This practical theory of operation: can exert pressure to last pillar 4 when the roof beam body 6 receives external pressure, last pillar 4 will exert pressure to lower pillar 3, in the meantime, antidetonation spring 17 receives the extrusion of last pillar 4, the elastic force through antidetonation spring 17 reduces the longitudinal pressure that the roof beam body 6 received, and simultaneously, the roof beam body 6 can exert pressure to pushing down mound 7, push down first connecting plate 8 through pushing down mound 7, at this moment first connecting plate 8 will push down compression column 9, cooperation through compression column 9 and second connecting plate 10 is used and can be promoted briquetting 11, and make briquetting 11 extrusion tetrafluoro rubber 13, thereby also can reduce the pressure that the roof beam body 6 received through tetrafluoro rubber 13, thereby reach the effect of shock attenuation resistance to compression, the stability and the life of this bridge beam supports have effectively been strengthened.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bridge anti-seismic support, includes pier (1), its characterized in that: the upper surface of the pier (1) is fixedly connected with a lower support steel plate (2), the upper surface of the lower support steel plate (2) is fixedly connected with a lower support column (3), the middle part of the top end of the lower support column (3) is fixedly connected with the bottom end of the upper support column (4), the outer side of the upper support column (4) is sleeved with an anti-seismic spring (17), the top end of the upper support column (4) is fixedly connected with the middle part of the lower surface of an upper support steel plate (5), and the upper surface of the upper support steel plate (5) is fixedly connected with a beam body (6);

the equal fixed mounting in lower surface both sides of the roof beam body (6) pushes down mound (7), the first connecting plate of bottom fixedly connected with (8) of pushing down mound (7), the one end of middle part swing joint pressure reducing column (9) of first connecting plate (8), the other end swing joint of pressure reducing column (9) has second connecting plate (10), the one end fixedly connected with briquetting (11) of second connecting plate (10), one side laminating of briquetting (11) is connected with tetrafluoro rubber (13).

2. An anti-seismic bridge support according to claim 1, wherein:

mounting grooves are formed in the two sides of the lower support (3);

and the tetrafluoroethylene rubber (13) is positioned in the mounting groove and is attached to the inner wall of the mounting groove.

3. An anti-seismic bridge support according to claim 1, wherein:

the upper side and the lower side of the pressing block (11) are both fixedly connected with limiting sliding blocks (12);

one end of the limiting slide block (12) far away from the pressing block (11) is attached to the inner wall of the mounting groove.

4. An anti-seismic bridge support according to claim 1, wherein:

the lower pressing pier (7) is in a convex shape;

thread grooves are formed in the two sides of the lower surface of the beam body (6).

5. An anti-seismic bridge support according to claim 1, wherein:

the middle part of the first connecting plate (8) is movably connected with one end of the pressure reduction column (9) through a first rotating shaft (15);

the middle part of the second connecting plate (10) is movably connected with the other end of the pressure reduction column (9) through a second rotating shaft (16).

6. An anti-seismic bridge support according to claim 1, wherein:

an embedded steel plate is arranged between the support upper steel plate (5) and the beam body (6);

one side of the steel plate (5) on the support is attached to the lower pressing pier (7).

7. An anti-seismic bridge support according to claim 1, wherein:

both ends of the lower pressing pier (7) are fixedly connected with the beam body (6) through fixing bolts (14);

one end of the fixing bolt (14) is positioned in the thread groove and is fixedly connected with the beam body (6) through the thread groove.