CN217601184U - Bridge anti-overturning device and bridge - Google Patents

Abstract

The application provides a bridge antidumping device and bridge belongs to bridge construction technical field. The bridge anti-overturning device comprises a mounting seat and two traction mechanisms. The mount pad is used for being fixed in the pier stud. Two drive mechanism set up respectively in the ascending both sides of mount pad width direction of case roof beam, and drive mechanism includes fixing base, moving member and connecting rod, and the fixing base is used for being fixed in the bottom of case roof beam, and the moving member is connected in the fixing base along vertical direction is movably, and the both ends of moving member run through the both sides of fixing base in vertical direction respectively, and the both ends of connecting rod articulate respectively in mount pad and moving member. The moving piece is provided with an abutting part which is configured to abut against the fixed seat when the moving piece moves downwards relative to the fixed seat along the vertical direction so as to prevent the box girder from inclining. The bridge with the bridge anti-overturning device can effectively reduce the risk of overturning or side turning of the box girder of the bridge so as to reduce the potential safety hazard of the bridge in the later use process.

Description

Bridge anti-overturning device and bridge

Technical Field

The application relates to the technical field of bridge construction, in particular to a bridge anti-overturning device and a bridge.

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.

The kind of bridge has the multiple, single-column mound bridge has the advantage that area is little, however, because what single-column mound bridge adopted is that the single fulcrum supports, in the use of later stage, if one side on the bridge floor is born a burden excessively high or receive strong typhoon, during weather influences such as earthquake, the phenomenon of slope takes place very easily in the bridge floor (case roof beam) of bridge, lead to whole bridge to appear toppling and the phenomenon of turning on one's side even, thereby cause the bridge to have great potential safety hazard in the use, and then can't guarantee people's safety in utilization, be unfavorable for using and promoting.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a bridge antidumping device and bridge to there is the problem of great potential safety hazard in the use in current single pier bridge of improvement.

In a first aspect, an embodiment of the present application provides an anti-overturning device for a bridge, where the bridge includes a pier stud and a box girder, the box girder is erected at the top of the pier stud, a cavity is formed inside the box girder, and the anti-overturning device for a bridge includes a mounting base and two traction mechanisms; the mounting seat is used for being fixed on the pier stud; the two traction mechanisms are respectively arranged on two sides of the mounting seat in the width direction of the box girder, each traction mechanism comprises a fixed seat, a movable piece and a connecting rod, the fixed seats are used for being fixed at the bottom of the box girder and extending into the cavity, the movable piece is movably connected to the fixed seats along the vertical direction, two ends of the movable piece respectively penetrate through two sides of the fixed seats in the vertical direction, and two ends of the connecting rod are respectively hinged to the mounting seat and the movable piece; wherein the moving member has an abutting portion configured to abut against the fixed seat when the moving member moves downward in the vertical direction relative to the fixed seat to prevent the box girder from tilting.

In the above technical scheme, the two sides of the mounting seat in the width direction of the box girder are respectively provided with the traction mechanisms, so that the two traction mechanisms can be respectively connected to the parts of the box girder on the two sides of the pier stud, and the two sides of the box girder in the width direction of the box girder can be pulled and stretched. Wherein, drive mechanism is provided with the fixing base, moving member and connecting rod, through connecting the fixing base in the bottom of case roof beam, the moving member is along movably wearing to locate in the fixing base of vertical direction, and articulate the both ends of connecting rod respectively on moving member and mount pad, so that the portion of supporting of moving member can support when the phenomenon of slope takes place for the case roof beam and lean on the fixing base, thereby the drive mechanism who adopts this kind of structure has realized drawing and tensile to the case roof beam, take place further slope to the case roof beam and played effectual prevention effect, and then can effectively reduce the risk that the case roof beam of bridge appears toppling or turning on one's side, in order to reduce the potential safety hazard that the bridge exists in the use of later stage, be favorable to guaranteeing people's safety in utilization. In addition, the bridge anti-overturning device with the structure can allow the box girder to have slight vibration space allowance, so that the rigid pulling phenomenon between the box girder and the bridge anti-overturning device can be effectively relieved, and the service lives of the bridge anti-overturning device and the box girder can be prolonged.

In addition, the bridge anti-overturning device provided by the embodiment of the application also has the following additional technical characteristics:

in some embodiments, the traction mechanism further comprises an elastic member; the elastic piece is connected with the abutting portion and the fixed seat and configured to buffer impact force between the abutting portion and the fixed seat.

In the technical scheme, the elastic piece is arranged between the abutting portion and the fixing seat, so that the elastic piece can effectively buffer the rigid collision between the abutting portion and the fixing seat when the box girder inclines, the abutting portion and the fixing seat can be well buffered, and the box girder is favorably subjected to a better damping function.

In some embodiments, an accommodating cavity is formed in the fixing seat, and part of the moving member is located in the accommodating cavity; the abutting part is positioned in the accommodating cavity and is configured to abut against the bottom wall of the accommodating cavity when the moving part moves downwards relative to the fixed seat along the vertical direction; the elastic piece is located hold the intracavity, the elastic piece is in the ascending both ends of vertical direction connect respectively in support portion with hold the roof of chamber.

In the technical scheme, hold the chamber through the inside setting at the fixing base, and set up the part of moving member in holding the intracavity, that is to say, the moving member is movably worn to locate to hold the intracavity along vertical direction, and will support to lean on portion and elastic component and all set up in holding the intracavity, thereby support to lean on the portion to support to lean on the diapire that holds the chamber when making the relative fixing base of moving member move down along vertical direction, in order to play traction and tensile effect to the case roof beam, the structural stability who adopts the drive mechanism of this kind of structure is higher, and be favorable to promoting the guard action to support to portion and elastic component, in order to reduce to support to appear under the influence of external environment that damage or the risk of corroding to portion and elastic component.

In some embodiments, the accommodating cavity is provided with a limiting groove on a side wall of the box girder in the width direction, and the limiting groove extends along the vertical direction; the abutting portion is provided with a limiting protrusion, and the limiting protrusion is movably clamped in the limiting groove along the vertical direction.

In the technical scheme, the limiting groove extending along the vertical direction is formed in the side wall of the accommodating cavity, the abutting portion of the moving part is correspondingly provided with the limiting protrusion, so that the limiting protrusion can be movably clamped in the limiting groove along the vertical direction, on one hand, a good limiting effect can be achieved on the moving part, the phenomenon of circumferential rotation of the moving part relative to the fixed seat is reduced, on the other hand, a good guiding effect can be achieved on the moving part, and the moving part can be stably moved along the vertical direction relative to the fixed seat.

In some embodiments, the fixing seat is provided with a limiting block, and the limiting block is used for abutting against the bottom wall of the cavity.

In above-mentioned technical scheme, be used for leaning on the stopper on the diapire of cavity through setting up on the fixing base to can effectively promote the connection reliability and the structural stability between fixing base and the case roof beam, break away from the risk of case roof beam along vertical direction with the reduction fixing base.

In some embodiments, the traction mechanism further comprises a connection seat, a detection member, and a drive assembly; the connecting seat is connected to the top end of the moving piece in the vertical direction; the detection piece is arranged between the connecting seat and the fixed seat along the vertical direction, and is configured to detect the pressure between the connecting seat and the fixed seat and generate a pressure signal; the driving assembly is electrically connected with the detection piece and is configured to drive the connecting rod to swing downwards relative to the mounting seat according to the pressure signal so as to drive the moving piece to move downwards along the vertical direction.

In the above technical scheme, through setting up the connecting seat on the top of moving member, and set up the detection piece along vertical direction between connecting seat and fixing base, in the in-service use process, when the case roof beam of bridge inclines toward one side along the width direction of case roof beam, the opposite side of case roof beam can drive corresponding drive mechanism's fixing base along vertical direction rebound, make the detection piece can receive the extrusion of fixing base and connecting seat, so that the detection piece can detect the pressure value between fixing base and the connecting seat, and generate corresponding pressure signal, thereby can drive the relative mount pad of connecting rod that corresponds downwards swing through corresponding drive assembly, in order to drive the relative fixing base of moving member along vertical direction rebound, make the portion of leaning on of moving member can lean on the fixing base, and drive the fixing base and move down along vertical direction, and then can effectively prevent the case roof beam of bridge from taking place to overturn or turn on one's side, and can play certain corrective action to the case roof beam, be favorable to promoting the antidumping ability of the bridge that has this kind of bridge antidumping device.

In some embodiments, in the width direction of the box girder, a sliding groove is formed in one side of the connecting rod, which faces the pier stud, and the sliding groove extends along the extending direction of the connecting rod; the driving assembly comprises a sliding block and a driving piece; the sliding block can be clamped in the sliding groove in a sliding way; the driving piece is installed on the installation seat, and the driving piece is configured to drive the sliding block to move in a direction away from the installation seat along the width direction of the box girder so as to drive the connecting rod to swing downwards relative to the installation seat.

In the technical scheme, the connecting rod is provided with the sliding groove facing one side of the pier stud, the sliding groove extends along the extending direction of the connecting rod, so that the sliding block of the driving assembly can be slidably arranged in the sliding groove, when the driving piece drives the sliding block to move along the direction far away from the mounting seat along the width direction of the box girder, the sliding block can apply acting force downwards along the vertical direction to the connecting rod, and then the connecting rod can be driven to swing downwards relative to the mounting seat, the structure is simple, the stability is high, and the implementation is convenient.

In some embodiments, a guide post is convexly arranged on the bottom wall of the chamber, and a positioning hole extending along the vertical direction is formed in one end of the guide post, which is away from the bottom wall of the chamber; the connecting seat is provided with a positioning column in a protruding mode on one side, facing the mounting seat, of the connecting seat in the vertical direction, and the positioning column is used for being movably inserted into the positioning hole in the vertical direction.

In the technical scheme, the guide posts are arranged on the bottom wall of the cavity, the guide posts are provided with the positioning holes extending along the vertical direction, so that the positioning posts are correspondingly arranged on the connecting seats and matched with the positioning holes in an inserted mode, a certain positioning effect is achieved on the connecting seats, the connecting seats can be effectively relieved when the box girder inclines, and the use stability of the bridge anti-overturning device in the later use process is improved.

In some embodiments, the mount includes a mount body and a plurality of latches; the seat body is hinged with the connecting rod and is used for being fixed on the pier stud, the seat body extends along the circumferential direction of the pier stud, a plurality of mounting holes are formed in the seat body, the mounting holes are arranged at intervals along the circumferential direction of the pier stud, and the mounting holes extend along the radial direction of the pier stud; the locking piece with the mounting hole corresponds the setting, the locking piece wears to locate correspondingly in the mounting hole, just the locking piece is used for inserting and locates in the pier stud, in order with the seat body locking in on the pier stud.

In the technical scheme, a plurality of mounting holes are arranged along the circumferential interval of the pier stud on the seat body of the mounting seat, each mounting hole is correspondingly provided with one locking piece, so that the locking pieces can be inserted into the pier stud when the seat body is assembled to the pier stud, the seat body is locked on the pier stud, the mounting seat adopting the structure can effectively reduce the phenomenon that the mounting seat and the pier stud slide relatively along the vertical direction, so as to improve the structural stability and firmness that the mounting seat is fixed on the pier stud, and further be favorable for ensuring the traction and stretching effects of the traction mechanism on the box girder, and further improve the anti-overturning capacity of the bridge.

In a second aspect, an embodiment of the present application further provides a bridge, which includes pier studs, box girders, and the above bridge anti-overturning device; the box girder is erected at the top of the pier stud, and a cavity is formed inside the box girder; the mounting seat is fixed in the pier stud, and the fixing seat of the traction mechanism is fixed at the bottom of the box girder and extends into the cavity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic partial structural view of a bridge according to an embodiment of the present application;

FIG. 2 is a front view of the bridge shown in FIG. 1;

FIG. 3 is a partial cross-sectional view of the bridge shown in FIG. 2;

FIG. 4 is a schematic view of the connection between the fixed base and the movable member shown in FIG. 3;

FIG. 5 is an enlarged view of a portion of the bridge shown in FIG. 3 at A;

fig. 6 is a cross-sectional view of the bridge shown in fig. 2 at a pier.

Icon: 100-bridge; 10-pier stud; 11-a support block; 12-a locking hole; 20-box girder; 21-a chamber; 22-a guide post; 221-positioning holes; 30-bridge anti-overturning devices; 31-a mounting seat; 311-seat body; 3111-mounting holes; 312-a lock; 32-a traction mechanism; 321-a fixed seat; 3211-an accommodating chamber; 3212-a limit groove; 3213-a limiting block; 322-a moving member; 3221-an abutment; 3222-a limit protrusion; 323-connecting rod; 3231-runner; 324-a resilient member; 325-connecting seat; 3251-locating post; 326-a detection member; 327-a drive assembly; 3271-slide block; 3272-drive element; 40-a support seat; x represents the length direction of the box girder; y-the width direction of the box girder; z-vertical direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides a bridge, it can improve current single column mound bridge and bear a burden on one side of bridge floor and be too high or receive strong typhoon, when weather influences such as earthquake, the phenomenon of slope takes place very easily in the bridge floor (case roof beam) of bridge, lead to whole bridge to appear toppling and turn on one's side the phenomenon even, thereby cause the bridge to have great potential safety hazard in the use, and then can't guarantee people's safety in utilization, be unfavorable for the problem of using and promoting, the following concrete structure that combines the figure to carry out the elaboration to the bridge.

As shown in fig. 1 and 2, the bridge 100 includes pier studs 10, box girders 20, and a bridge anti-overturning device 30. The box girder 20 is erected on the top of the pier stud 10, a cavity 21 is formed inside the box girder 20, and the cavity 21 penetrates through both ends of the box girder 20 along the length direction X of the box girder. The bridge anti-overturning device 30 is disposed on the pier stud 10 and connected to the bottom of the box girder 20.

Wherein the top of the box girder 20 forms a deck for pedestrians or vehicles to walk through.

Illustratively, pier 10 is a single pier. The shape of the pier 10 may be various, for example, a cylindrical structure or a polygonal cylindrical structure, etc.

Pier stud 10's quantity is a plurality of, and a plurality of pier stud 10 are arranged along the length direction X interval of case roof beam, and is corresponding, and bridge antidumping device 30 also can be a plurality of, and bridge antidumping device 30 sets up with pier stud 10 one-to-one, and every pier stud 10 corresponds and is provided with a bridge antidumping device 30.

Further, bridge 100 still includes a plurality of supporting seats 40, and supporting seat 40 sets up with pier stud 10 one-to-one, and supporting seat 40 sets up in the top of pier stud 10, and lies in between pier stud 10 and case roof beam 20 on vertical direction Z to make case roof beam 20 erect on pier stud 10 through supporting seat 40. The specific structure of the supporting seat 40 can be found in the related art, and is not described in detail herein.

Optionally, two supporting blocks 11 are further protruded from the top of the pier stud 10, the two supporting blocks 11 are respectively located at two sides of the supporting seat 40 along the width direction Y of the box girder, and the supporting blocks 11 are used for supporting the box girder 20. In the pier column 10 with the structure, when the box girder 20 inclines, the supporting blocks 11 can play a certain limiting supporting role on the box girder 20, so that the risk of further inclination of the box girder 20 can be reduced, and the rollover speed of the box girder 20 can be effectively relieved.

In this embodiment, as shown in fig. 2 and 3, the bridge anti-overturning device 30 includes a mounting seat 31 and two traction mechanisms 32. The mount 31 is used to be fixed to the pier stud 10. The two traction mechanisms 32 are respectively disposed on two sides of the mounting seat 31 in the width direction Y of the box girder, so that the two traction mechanisms are respectively located on two sides of the pier stud 10 in the width direction Y of the box girder. Traction mechanism 32 includes fixing base 321, moving member 322 and connecting rod 323, and fixing base 321 is used for being fixed in the bottom of box girder 20 and extends to in the cavity 21, and moving member 322 is connected in fixing base 321 along the movably both sides that run through fixing base 321 on vertical direction Z respectively in vertical direction Z, and the both ends of connecting rod 323 articulate respectively in mount pad 31 and moving member 322. As shown in fig. 4, the moving member 322 has an abutting portion 3221, and the abutting portion 3221 is configured to abut against the fixed seat 321 when the moving member 322 moves downward relative to the fixed seat 321 along the vertical direction Z, so as to prevent the box girder 20 from tilting.

The mounting seats 31 are provided with traction mechanisms 32 on both sides of the box girder in the width direction Y, so that the two traction mechanisms 32 can be respectively connected to portions of the box girder 20 on both sides of the pier 10, thereby enabling traction and tension of the box girder 20 on both sides of the box girder in the width direction Y. Wherein, drive mechanism 32 is provided with fixing base 321, moving member 322 and connecting rod 323, through connecting fixing base 321 in the bottom of case roof beam 20, moving member 322 is along the movably wearing to locate in fixing base 321 of vertical direction Z, and articulate the both ends of connecting rod 323 on moving member 322 and mount pad 31 respectively, so that the portion 3221 that leans on of moving member 322 can support when the phenomenon of case roof beam 20 emergence slope and lean on fixing base 321, thereby the drive mechanism 32 who adopts this kind of structure has realized drawing and stretching to case roof beam 20, take place further slope to case roof beam 20 and played effectual prevention effect, and then can effectively reduce the risk that the case roof beam 20 of bridge 100 appears toppling or turning on one's side, with the potential safety hazard that reduces bridge 100 and exist in the later use, be favorable to guaranteeing people's safety in use. In addition, the bridge anti-overturning device 30 with such a structure can allow the box girder 20 to have a slight vibration margin, so that the rigid pulling phenomenon between the box girder 20 and the bridge anti-overturning device 30 can be effectively relieved, and the service lives of the bridge anti-overturning device 30 and the box girder 20 can be prolonged.

Wherein, the fixing seat 321 is fixed at the bottom of the box girder 20, and two ends of the fixing seat 321 in the vertical direction Z respectively penetrate through the bottom wall of the cavity 21 and the bottom wall of the box girder 20, that is, a part of the fixing seat 321 is located in the cavity 21 of the box girder 20, and a part of the fixing seat 321 is located outside the box girder 20.

Further, as shown in fig. 4, the pulling mechanism 32 further includes an elastic member 324. The elastic member 324 is connected to the abutting portion 3221 and the fixing seat 321, and the elastic member 324 is configured to buffer an impact force between the abutting portion 3221 and the fixing seat 321. By arranging the elastic member 324 between the abutting portion 3221 and the fixing seat 321, when the box girder 20 tilts, the elastic member 324 can effectively buffer the rigid collision between the abutting portion 3221 and the fixing seat 321, so that the abutting portion 3221 and the fixing seat 321 can be well buffered, and the box girder 20 can be well damped.

Wherein, the fixing base 321 is provided with an accommodating cavity 3211 inside, a part of the moving member 322 is located in the accommodating cavity 3211, the abutting portion 3221 is configured to abut against a bottom wall of the accommodating cavity 3211 when the moving member 322 moves downward along a vertical direction Z relative to the fixing base 321, the elastic member 324 is located in the accommodating cavity 3211, and two ends of the elastic member 324 in the vertical direction Z are connected to the abutting portion 3221 and a top wall of the accommodating cavity 3211, respectively.

Through the inside at fixing base 321 sets up and holds chamber 3211 to set up the part of moving member 322 in holding chamber 3211, that is to say, moving member 322 is movably worn to locate in holding chamber 3211 along vertical direction Z, and will support portion 3221 and elastic component 324 and all set up in holding chamber 3211, thereby make moving member 322 support portion 3221 can support and lean on the diapire of holding chamber 3211 when moving down along vertical direction Z relative to fixing base 321, in order to play traction and tensile effect to case roof beam 20, the structural stability of the drive mechanism 32 who adopts this kind of structure is higher, and be favorable to promoting the guard action to supporting portion 3221 and elastic component 324, in order to reduce to support portion 3221 and elastic component 324 the risk that appears damaging or corroding under the influence of external environment.

Illustratively, the elastic element 324 is a spring, the spring is located in the accommodating cavity 3211 of the fixing seat 321 and is sleeved on the outer peripheral side of the moving element 322, and two ends of the spring are respectively connected to the abutting portion 3221 of the moving element 322 and the top wall of the accommodating cavity 3211. Of course, in other embodiments, the elastic member 324 may also be a spring, for example, the elastic member 324 is a V-shaped spring.

Further, please refer to fig. 4, the side wall of the accommodating cavity 3211 in the width direction Y of the box girder may further be provided with a limiting groove 3212, and the limiting groove 3212 extends in the vertical direction Z. The abutting portion 3221 is provided with a limiting protrusion 3222, and the limiting protrusion 3222 is movably clamped in the limiting groove 3212 along the vertical direction Z.

Through set up the spacing groove 3212 that extends along vertical direction Z on the lateral wall of accommodation chamber 3211, and set up spacing arch 3222 on the portion 3221 that supports of moving member 322 correspondingly, so that spacing arch 3222 can follow the movably card of vertical direction Z in spacing groove 3212, thereby can play better limiting displacement to moving member 322 on the one hand, with circumferential direction's phenomenon appears in the relative fixing base 321 of reduction moving member 322, on the other hand can play better guide effect to moving member 322, in order to guarantee that moving member 322 can follow vertical direction Z relative fixing base 321 and move steadily.

Exemplarily, in fig. 4, the accommodating cavity 3211 is provided with two limiting grooves 3212 on two opposite side walls in the width direction Y of the box girder, correspondingly, two sides of the abutting portion 3221 in the width direction Y of the box girder are respectively provided with a limiting protrusion 3222 in a protruding manner, and each limiting protrusion 3222 is clamped in the corresponding limiting groove 3212. Of course, the number of the limiting protrusions 3222 and the number of the limiting grooves 3212 may be one.

Optionally, as shown in fig. 4 and fig. 5, the fixing seat 321 may further be provided with a limiting block 3213, and the limiting block 3213 is configured to abut against the bottom wall of the cavity 21. The fixing seat 321 is provided with a limiting block 3213 which is used for abutting against the bottom wall of the cavity 21, so that the connection reliability and the structural stability between the fixing seat 321 and the box girder 20 can be effectively improved, and the risk that the fixing seat 321 breaks away from the box girder 20 along the vertical direction Z is reduced.

For example, in fig. 5, the two sides of the fixing seat 321 in the width direction Y of the box girder are both provided with a limiting block 3213, and the limiting block 3213 protrudes from the fixing seat 321 along the width direction Y of the box girder, so that the limiting block 3213 can abut against the bottom wall of the cavity 21 of the box girder 20.

In this embodiment, as shown in fig. 2, 3 and 5, the pulling mechanism 32 further includes a connecting seat 325, a detecting member 326 and a driving assembly 327. The connection seat 325 is connected to a top end of the moving member 322 in the vertical direction Z. The detecting member 326 is disposed between the connection seat 325 and the fixing seat 321 along the vertical direction Z, and the detecting member 326 is configured to detect a pressure between the connection seat 325 and the fixing seat 321 and generate a pressure signal. The driving assembly 327 is electrically connected to the detecting member 326, and the driving assembly 327 is configured to drive the connecting rod 323 to swing downward relative to the mounting seat 31 according to the pressure signal, so as to drive the moving member 322 to move downward along the vertical direction Z.

Through set up connecting seat 325 on the top of moving member 322, and set up detection piece 326 along vertical direction Z between connecting seat 325 and fixing base 321, in the course of practical use, when the case roof beam 20 of bridge 100 inclines toward one side along the width direction Y of case roof beam, the opposite side of case roof beam 20 can drive the fixing base 321 of corresponding drive mechanism 32 and upwards move along vertical direction Z, make detection piece 326 can receive the extrusion of fixing base 321 and connecting seat 325, so that detection piece 326 can detect the pressure value between fixing base 321 and connecting base 325, and generate corresponding pressure signal, so as to can drive corresponding connecting rod 323 and swing downwards relative to mount pad 31 through corresponding drive assembly 327, so as to drive moving member 322 and move downwards along vertical direction Z relative to fixing base 321, make the butt 3221 of moving member 322 can butt against on fixing base 321, and drive fixing base 321 and downwards move along vertical direction Z, and then can effectively prevent the case roof beam 20 of bridge 100 from overturning or turning over the phenomenon, and can play certain corrective action to case roof beam 20, be favorable to promoting the anti-overturning ability of bridge 100 that has this kind of bridge 30.

For example, the detecting element 326 is sleeved on the outer periphery of the moving element 322, and the detecting element 326 may be a piezoresistive pressure sensor, a ceramic pressure sensor, a diffused silicon pressure sensor, a sapphire pressure sensor, a piezoelectric pressure sensor, or the like.

Optionally, a guide post 22 is convexly disposed on the bottom wall of the chamber 21, and a positioning hole 221 extending in the vertical direction Z is disposed at one end of the guide post 22 away from the bottom wall of the chamber 21. The connecting seat 325 is provided with a positioning column 3251 protruding from one side of the mounting seat 31 in the vertical direction Z, and the positioning column 3251 is used for being movably inserted into the positioning hole 221 along the vertical direction Z. Be provided with guide post 22 on the diapire of cavity 21, and guide post 22 sets up the locating hole 221 that extends along vertical direction Z, thereby through correspond setting and locating hole 221 grafting complex reference column 3251 each other on connecting seat 325, so that play certain positioning action to connecting seat 325, and can effectively alleviate the phenomenon that connecting seat 325 appears deflecting when case roof beam 20 takes place the slope, and then be favorable to improving the stability in use of bridge antidumping device 30 in the later stage use.

Illustratively, two guide posts 22 are disposed on the bottom wall of the chamber 21, the two guide posts 22 are respectively located on two sides of the fixing seat 321 along the width direction Y of the box girder, correspondingly, two positioning posts 3251 are disposed on the connecting seat 325, and each positioning post 3251 is correspondingly inserted into one positioning hole 221 of one guide post 22. Of course, in other embodiments, the number of guiding posts 22 and the number of positioning posts 3251 may be one, three, four or five.

Further, as shown in fig. 3, 5, and 6, in the width direction Y of the box girder, a sliding groove 3231 is formed in one side of the connecting rod 323 facing the pier stud 10, and the sliding groove 3231 extends in the extending direction of the connecting rod 323. The drive assembly 327 includes a slide 3271 and a driver 3272. The slide block 3271 is slidably engaged in the slide groove 3231. The driving member 3272 is mounted on the mounting seat 31, and the driving member 3272 is configured to drive the sliding block 3271 to move along the width direction Y of the box girder in a direction away from the mounting seat 31, so as to drive the connecting rod 323 to swing downward relative to the mounting seat 31. Through set up spout 3231 in the one side that connecting rod 323 faces pier stud 10, and spout 3231 extends along the extending direction of connecting rod 323, so that drive assembly 327's slider 3271 can set up in spout 3231 slidable, thereby when driving piece 3272 drive slider 3271 along the width direction Y of case roof beam toward the direction of keeping away from mount pad 31, slider 3271 can exert along the decurrent effort of vertical direction Z to connecting rod 323, and then can drive connecting rod 323 and swing down relatively mount pad 31, this kind of simple structure, stability is high, and be convenient for realize.

Illustratively, the driving element 3272 is an electric push rod, the electric push rod is fixedly arranged on the mounting seat 31, the electric push rod extends along the width direction Y of the box girder, and the sliding block 3271 is connected to an output end of the electric push rod, so that the driving element 3272 can drive the sliding block 3271 to move along the width direction Y of the box girder in a direction away from the mounting seat 31, and the sliding block 3271 can drive the connecting rod 323 to swing downward while moving in the sliding groove 3231 of the connecting rod 323. Of course, in other embodiments, the driving member 3272 can also be a pneumatic or hydraulic cylinder, etc.

It should be noted that the structure of the driving assembly 327 is not limited to this, and in other embodiments, the driving assembly 327 may also be in other structures, for example, the driving assembly 327 is a motor, an output shaft of the motor is connected to the connecting rod 323, and the motor is configured to drive the connecting rod 323 to rotate relative to the mounting base 31 according to the pressure signal of the detecting member 326, so as to drive the connecting rod 323 to swing downward, thereby driving the moving member 322 to move downward along the vertical direction Z.

In this embodiment, as shown in fig. 3 and 6, the mounting seat 31 includes a seat body 311 and a plurality of locking members 312. Seat body 311 is articulated with connecting rod 323 to be used for being fixed in pier stud 10, seat body 311 extends along the circumference of pier stud 10, has seted up a plurality of mounting holes 3111 on the seat body 311, and a plurality of mounting holes 3111 are arranged along the circumference interval of pier stud 10, and radial extension along pier stud 10 of mounting hole 3111. The locking piece 312 is disposed corresponding to the mounting hole 3111, the locking piece 312 is disposed through the corresponding mounting hole 3111, and the locking piece 312 is inserted into the pier stud 10 to lock the seat body 311 on the pier stud 10.

Through set up a plurality of mounting holes 3111 along the circumference interval arrangement of pier stud 10 on seat body 311 of mount pad 31, and every mounting hole 3111 corresponds and sets up a lock piece 312, make lock piece 312 insert when seat body 311 assembles to pier stud 10 and locate in the pier stud 10, in order to lock seat body 311 on pier stud 10, mount pad 31 that adopts this kind of structure can effectively reduce mount pad 31 and pier stud 10 and take place the phenomenon of relative slip along vertical direction Z, in order to promote structural stability and the firm nature that mount pad 31 is fixed in on the pier stud 10, and then be favorable to guaranteeing the traction tension of drive mechanism 32 to case roof beam 20, in order to promote the anti-overturning ability of bridge 100.

Wherein, seat body 311 encircles the periphery side in pier stud 10 along pier stud 10's circumference to be fixed in on pier stud 10. Exemplarily, seat body 311 is the staple bolt, and seat body 311 includes two semicircular brackets, and two semicircular brackets mutual disposition just pass through the bolt spiro union to make two semicircular brackets cooperate and hold tightly in the periphery side of pier stud 10, thereby realize being fixed in pier stud 10 with seat body 311.

Optionally, the outer peripheral face of locking piece 312 is provided with the external screw thread, be provided with the internal thread on mounting hole 3111's the pore wall, locking piece 312 spiro union is in mounting hole 3111, it is corresponding, a plurality of locking holes 12 have been seted up on the outer peripheral face of pier stud 10, a plurality of locking holes 12 are arranged along the circumference interval of pier stud 10, locking hole 12 and locking piece 312 one-to-one set up, and locking hole 12 extends along the radial of pier stud 10, locking piece 312 is used for inserting and locates in the locking hole 12 that corresponds, in order to realize mount pad 31 and the locking of pier stud 10 on vertical direction Z. For example, when the locking member 312 is tightened, the locking member 312 can be inserted into the locking hole 12, whereas when the locking member 312 is loosened, the locking member 312 can be withdrawn from the locking hole 12.

Illustratively, in fig. 3 and fig. 6, two rows of mounting holes 3111 are disposed on the seat body 311 at intervals along the vertical direction Z, each row of mounting holes 3111 includes four mounting holes 3111 disposed at intervals and uniformly along the circumference of the pier stud 10, and correspondingly, the locking members 312 and the locking holes 12 disposed on the pier stud 10 are the same in number and disposed correspondingly to the mounting holes 3111. Of course, the mounting holes 3111 provided in the seat body 311 may be arranged in one row, three rows, four rows, or the like, and similarly, the number of the mounting holes 3111 in each row may be one, two, three, five, or the like.

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

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a bridge antidumping device, the bridge includes pier stud and case roof beam, the case roof beam erects in the top of pier stud, the inside of case roof beam is formed with the cavity, its characterized in that, bridge antidumping device includes:

the mounting seat is used for being fixed on the pier stud; and

the two traction mechanisms are respectively arranged on two sides of the mounting seat in the width direction of the box girder, each traction mechanism comprises a fixed seat, a movable piece and a connecting rod, the fixed seats are used for being fixed at the bottom of the box girder and extending into the cavity, the movable piece is movably connected to the fixed seats along the vertical direction, two ends of the movable piece respectively penetrate through two sides of the fixed seats in the vertical direction, and two ends of the connecting rod are respectively hinged to the mounting seat and the movable piece;

the moving piece is provided with an abutting part which is configured to abut against the fixed seat when the moving piece moves downwards relative to the fixed seat along the vertical direction so as to prevent the box girder from inclining.

2. The bridge anti-overturning device according to claim 1, wherein the traction mechanism further comprises an elastic member;

the elastic piece is connected with the abutting portion and the fixed seat and configured to buffer impact force between the abutting portion and the fixed seat.

3. The bridge anti-overturning device according to claim 2, wherein an accommodating cavity is formed in the fixing seat, and part of the moving member is located in the accommodating cavity;

the abutting part is positioned in the accommodating cavity and is configured to abut against the bottom wall of the accommodating cavity when the moving part moves downwards relative to the fixed seat along the vertical direction;

the elastic piece is located hold the intracavity, the elastic piece is in the ascending both ends of vertical direction connect respectively in support portion with hold the roof of chamber.

4. The bridge anti-overturning device according to claim 3, wherein a limiting groove is formed in a side wall of the accommodating cavity in the width direction of the box girder, and the limiting groove extends in the vertical direction;

the abutting portion is provided with a limiting protrusion, and the limiting protrusion is movably clamped in the limiting groove along the vertical direction.

5. The bridge anti-overturning device according to claim 1, wherein the fixing seat is provided with a limiting block for abutting against a bottom wall of the cavity.

6. The bridge anti-overturning device according to any one of claims 1-5, wherein the traction mechanism further comprises a connecting seat, a detection member and a driving assembly;

the connecting seat is connected to the top end of the moving piece in the vertical direction;

the detection piece is arranged between the connecting seat and the fixed seat along the vertical direction, and is configured to detect the pressure between the connecting seat and the fixed seat and generate a pressure signal;

the driving assembly is electrically connected with the detection piece and is configured to drive the connecting rod to swing downwards relative to the mounting seat according to the pressure signal so as to drive the moving piece to move downwards along the vertical direction.

7. The bridge anti-overturning device according to claim 6, wherein a sliding groove is formed in one side, facing the pier stud, of the connecting rod along the width direction of the box girder, and the sliding groove extends along the extending direction of the connecting rod;

the driving assembly comprises a sliding block and a driving piece;

the sliding block can be clamped in the sliding groove in a sliding way;

the driving piece is installed on the installation seat, and the driving piece is configured to drive the sliding block to move in a direction away from the installation seat along the width direction of the box girder so as to drive the connecting rod to swing downwards relative to the installation seat.

8. The bridge anti-overturning device according to claim 6, wherein a guide post is convexly arranged on the bottom wall of the chamber, and a positioning hole extending in the vertical direction is formed in one end of the guide post, which is away from the bottom wall of the chamber;

the connecting seat is provided with a positioning column in a protruding mode on one side, facing the mounting seat, of the connecting seat in the vertical direction, and the positioning column is used for being movably inserted into the positioning hole in the vertical direction.

9. The bridge anti-overturning device according to any one of claims 1-5, wherein the mount comprises a mount body and a plurality of locking members;

the seat body is hinged with the connecting rod and is used for being fixed on the pier stud, the seat body extends along the circumferential direction of the pier stud, a plurality of mounting holes are formed in the seat body, the mounting holes are arranged at intervals along the circumferential direction of the pier stud, and the mounting holes extend along the radial direction of the pier stud;

the locking piece with the mounting hole corresponds the setting, the locking piece wears to locate correspondingly in the mounting hole, just the locking piece is used for inserting and locates in the pier stud, in order with the seat body locking in on the pier stud.

10. A bridge, comprising:

pier studs;

the box girder is erected at the top of the pier stud, and a cavity is formed inside the box girder; and

a bridge anti-overturning device according to any one of claims 1-9, wherein the mounting seat is fixed to the pier stud, and the fixed seat of the traction mechanism is fixed to the bottom of the box girder and extends into the cavity.

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