CN113481886B

CN113481886B - A reinforced structure for bridge overload protection

Info

Publication number: CN113481886B
Application number: CN202110912814.2A
Authority: CN
Inventors: 陈建华
Original assignee: Shanghai Lande Road Design And Consulting Co ltd
Current assignee: Shanghai Lande Road Design And Consulting Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-08-12
Anticipated expiration: 2041-08-10
Also published as: CN113481886A

Abstract

The invention discloses a reinforcing structure for protecting the overload of a bridge, which is characterized in that a reinforcing groove is arranged on the upper surface of the bridge, a plurality of through holes are arranged in the reinforcing groove, bar-planting glue is arranged in the through holes, an implanting rod is inserted into the through holes, a plurality of layers of reinforcing steel bars are tied up on the implanting rod, a tensile net is laid on the plurality of layers of reinforcing steel bars, concrete is filled in the groove, the groove is arranged in the range needing to be reinforced, holes are drilled on the bottom wall of the groove, after the holes are cleaned, the bar-planting glue is driven into the through holes by a glue gun, then the implanting rod is inserted into the through holes, the implanting rod is integrated with the bridge at the moment, reinforcing steel bars are tied up on the implanting rods, then the tensile net is laid, and concrete is poured again, the scheme can be used for reinforcing the whole or part of the bridge, a second reinforcing plate is arranged on a cover beam, and a supporting piece is additionally arranged at the bottom of the second reinforcing plate, through the mounting between second gusset plate and the first gusset plate, further improve the support to the bridge.

Description

A reinforced structure for bridge overload protection

Technical Field

The invention relates to the technical field of bridge reinforcement, in particular to a reinforcing structure for bridge overload protection.

Background

In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the bridges are more convenient to pass.

The bridge has a highest safety load during design, but with the frequent occurrence of overload phenomenon of a carrying truck, the load borne by the bridge is higher than the set safety load, so that the bridge may partially collapse and sink after overload, and how to wholly or partially reinforce the bridge is a problem to be solved.

Disclosure of Invention

The invention aims to provide a reinforcing structure for bridge overload protection, which aims to solve the problem of how to reinforce the local part or the whole part of a bridge.

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

the utility model provides a reinforced structure for bridge overload protection, includes the pier to and connect the stand on the pier, be equipped with the bent cap on the stand, the bent cap is equipped with the stone pad that is used for supporting the bridge the reinforcement recess has been seted up to the bridge upper surface, it has seted up a plurality of through-holes in the reinforcement recess, and is a plurality of be equipped with the bar planting in the through-hole and glue, and insert the implantation pole in the through-hole, tied up the multilayer reinforcing bar on a plurality of implantation poles, the multilayer reinforcing bar upper berth is equipped with anti-drawing net the filling has the concrete in the reinforcement recess.

As a preferred embodiment of the present invention: the through-hole link up the bridge, just implant the pole and run through bridge and downwardly extending, and a plurality of extension end fixedly connected with first gusset plates of implanting the pole, first gusset plate with the bottom laminating of bridge.

As a preferred embodiment of the present invention: fixedly connected with second gusset plate between two adjacent bent cap, the second gusset plate has both sides wall and a diapire and constitutes, and its two lateral walls pass through the bolt fastening with two adjacent bent cap respectively, and is equipped with the reinforcement between first gusset plate and the second gusset plate.

As a preferred embodiment of the present invention: and a support piece is fixedly connected between every two adjacent upright columns and is positioned at the bottom of the second reinforcing plate and used for providing supporting force for the second reinforcing plate.

As a preferred embodiment of the present invention: support piece includes one and passes through bolt fastening's first marginal lateral wall with the stand outer wall to and the second marginal lateral wall that sets up with the second gusset plate bottom is fixed, and first marginal lateral wall is mutually fixed with second marginal lateral wall one end, and the other end is equipped with third marginal lateral wall, the interface of third marginal lateral wall is the arc, a plurality of bracing pieces of second marginal lateral wall bottom fixedly connected with, a plurality of bracing piece lower extremes extend downwards with third marginal lateral wall is fixed.

As a preferred embodiment of the present invention: the bridge is characterized in that a plurality of protruding plates with trapezoidal interfaces are arranged on the first reinforcing plate, the protruding plates and the first reinforcing plate are integrally formed, a cavity is formed between the protruding plates and the bottom of the bridge, the reinforcing member comprises a supporting head movably connected in the cavity, a push rod is fixedly connected to the bottom of the supporting head, a mounting plate is fixedly connected to the lower end of the push rod, the mounting plate is fixedly connected with the second reinforcing plate, a support is fixedly connected to the push rod, and the support can abut against the protruding plates.

As a preferred embodiment of the present invention: a sliding rod is fixedly arranged at the bottom of the convex plate, a lifting block is fixedly connected to the bottom of the sliding rod, a power distribution cavity is arranged in the support, and a laser transmitter for transmitting laser signals is arranged in the power distribution cavity; the laser signal processing device comprises a receiver for receiving the laser signal and an electric control assembly for electrically controlling the laser transmitter and the receiver; the laser signal emitted by the laser emitter is refracted to the receiver through the lens, the push rod is sleeved with the first spring, and two ends of the first spring are respectively abutted to the lifting block and the mounting plate.

As a preferred embodiment of the present invention: the utility model discloses a bridge, including bearing head, standing groove, sealed tube, shock-absorbing plate, bridge bottom, connecting rod, baffle, stand pipe, bearing head top is equipped with the standing groove, fixedly connected with multiunit sealed tube in the standing groove, sealed tube internal seal sliding connection has the piston, piston top fixedly connected with connecting rod, connecting rod upper end fixedly connected with shakes the shock-absorbing plate, inhale the shock-absorbing plate with the bridge bottom offsets, cup jointed on the connecting rod both ends respectively with inhale the second spring that shock-absorbing plate and standing groove diapire offset, it is a plurality of through communicating pipe intercommunication between the sealed tube, be connected with the bleeder on communicating pipe, the passageway has been seted up on the slide bar, the bleeder passes the passageway is connected with jet head, jet head is located the top of lens.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the groove is formed in the range needing to be reinforced, the bottom wall of the reinforcing groove is drilled, after hole cleaning is completed, bar planting glue is injected into the through hole by using a glue injecting gun, then the implanting rod is inserted into the through hole, the implanting rod is integrated with the bridge at the moment, steel bars are bound on the implanting rods, then the tensile net is laid, and concrete is poured again, so that local reinforcement of the pavement is completed.

Owing to set up the distribution chamber on the support, and set up laser emitter in the distribution chamber, receiver and automatically controlled subassembly, when the bridge transships and takes place to sink, first gusset plate downstream, the slide bar downstream that drives the protruding board bottom, consequently, drive the elevator downstream, and then the synchronous downstream of lens, then laser emitter transmitting terminal and lens separation, thereby laser can't be penetrated, thereby cause behind the unable received signal of receiver, the receiver feeds back the signal to automatically controlled subassembly this moment, automatically controlled subassembly reports to the police with the central server that the signal transmission set up in advance, thereby can monitor the bridge in real time.

Owing to set up the standing groove on the support head to installation sealed tube in the standing groove, when the vehicle passes through the bridge, the bridge can produce vibrations, consequently shakes through the second spring and inhale and shake, and it reciprocates to shake to drive the connecting rod on the board simultaneously, thereby will seal the intraductal gas of pipe through sealed intraductal piston and carry to the bleeder through communicating pipe, then discharge from jet-propelled head and clear up the lens.

Drawings

FIG. 1 is a schematic structural diagram of a reinforcing structure for bridge overload protection according to the present invention;

FIG. 2 is a schematic view of a portion of a reinforcement structure for bridge overload protection of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a portion of a reinforcement structure for bridge overload protection of the present invention in FIG. 2;

FIG. 4 is a schematic structural diagram of portion A of the reinforcement structure for bridge overload protection of the present invention;

FIG. 5 is a schematic structural diagram of a portion B of a reinforcement structure for bridge overload protection according to the present invention;

FIG. 6 is a schematic diagram of a groove structure of a bridge pavement of a reinforced structure for bridge overload protection according to the present invention;

in the figure: 1. a bridge pier; 11. a column; 12. a capping beam; 13. a bridge; 14. a groove; 15. a through hole; 16. implanting a rod; 17. reinforcing steel bars; 18. a tensile net; 2. a second reinforcing plate; 21. a second edge sidewall; 22. a first edge sidewall; 23. a third edge sidewall; 24. a support bar; 25. a first reinforcing plate; 26. a raised plate; 3. a push rod; 31. a support; 32. a support head; 33. mounting a plate; 4. a power distribution cavity; 41. an electronic control assembly; 42. a laser transmitter; 43. a slide bar; 431. a channel; 44. a lifting block; 45. a lens; 46. a receiver; 47. a first spring; 5. a placement groove; 51. a shock absorbing plate; 52. a sealing tube; 53. a piston; 54. a connecting rod; 55. a second spring; 56. a communicating pipe; 57. a branch pipe; 58. a gas showerhead.

Detailed Description

The technical aspects of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a reinforced structure for bridge overload protection, including pier 1, and connect the stand 11 on pier 1, be equipped with bent cap 12 on the stand 11, bent cap 12 is equipped with the stone pad that is used for supporting bridge 13, reinforcing groove 14 has been seted up at bridge 13 upper surface, a plurality of through-holes 15 have been seted up in reinforcing groove 14, be equipped with the bar planting glue in a plurality of through-holes 15, and insert implanted pole 16 in through-hole 15, multi-layer reinforcing bar 17 has been tied up on a plurality of implanted poles 16, multi-layer reinforcing bar 17 upper berth is equipped with anti-trombone slide 18, the filling has the concrete in reinforcing groove 14.

Specifically, when the bridge 13 is reinforced, firstly, the groove 14 is formed in the range to be reinforced, roadblocks are arranged around the reinforcing groove 14, holes are drilled in the bottom wall of the reinforcing groove 14, as shown in fig. 2, the through hole 15 is through in the embodiment, although the embodiment of the present application does not limit this, the through hole 15 may not be through, the through hole 15 is through in the embodiment, the purpose is to provide a node for reinforcing the bottom of the bridge 13, when the through hole 15 is not through, after the through hole 15 is processed by a drilling machine, a hole cleaning operation needs to be performed on the through hole 15, specifically, the hole cleaning brush is extended into the through hole 15 by the drilling machine to rotate upwards, so as to discharge the fertilizer inside, and blow the through hole 15 by a high-pressure nozzle, so as to further keep the through hole 15 clean, the step is aimed at enhancing the adsorbability of the bar planting glue and the inner wall of the through hole 15, clear hole is accomplished the back, in squeezing into through-hole 15 with gluing the rifle with beating the bar planting and gluing, the bar planting in the through-hole 15 glues two thirds of accounting for through-hole 15 capacity, then get and implant pole 16 and insert in through-hole 15, then stand for 24 hours, it can to get rid of the unnecessary bar planting glue that spills over this moment, implant pole 16 this moment and bridge 13 combine together, bind steel muscle 17 on a plurality of implant poles 16, then lay tensile net 18, concreting once more can, thereby accomplish the local reinforcement of road surface.

Referring to fig. 2-3, an embodiment of the present invention is shown: the through hole 15 penetrates through the bridge 13, the implantation rod 16 penetrates through the bridge 13 and extends downwards, the extending ends of the implantation rods 16 are fixedly connected with first reinforcing plates 25, and the first reinforcing plates 25 are attached to the bottom of the bridge 13.

Specifically, in this embodiment, the through hole 15 is through, a sealing box needs to be installed at the bottom of the through hole 15 before the bar planting glue is injected into the through hole 15, the sealing box can extend the depth of the through hole 15, so that the implantation rod 16 can be fixed with the through hole 15 and extend downwards for a certain distance when being inserted, the implantation rod 16 after extending is used for connecting the first reinforcing plate 25, the bottom of the implantation rod 16 can be screwed by a thread, and can also be welded and fixed with the first reinforcing plate 25, thereby further reinforcing the bridge 13.

Referring to fig. 1, an embodiment of the present invention: a second reinforcing plate 2 is fixedly connected between two adjacent bent caps 12, the second reinforcing plate 2 comprises two side walls and a bottom wall, the two side walls are respectively fixed with the two adjacent bent caps 12 through bolts, a reinforcing member is arranged between the first reinforcing plate 25 and the second reinforcing plate 2, a supporting member is fixedly connected between two adjacent upright posts 11, the supporting member is arranged at the bottom of the second reinforcing plate 2 and is used for providing supporting force for the second reinforcing plate 2, the supporting member comprises a first edge side wall 22 fixed with the outer wall of the upright post 11 through a bolt, and a second edge side wall 21 fixedly arranged with the bottom of the second reinforcing plate 2, the first edge side wall 22 is fixed with one end of the second edge side wall 21, the other end is provided with a third edge side wall 23, the interface of the third edge side wall 23 is arc-shaped, and a plurality of supporting rods 24 are fixedly connected with the bottom of the second edge side wall 21, the lower ends of a plurality of support rods 24 extend downwards and are fixed with the third edge side wall 23;

specifically, the second reinforcing plate 2 is installed between the two cover beams 12, the supporting member is additionally arranged at the bottom of the second reinforcing plate 2, and the supporting member for the bridge 13 is further improved through the fixing member between the second reinforcing plate 2 and the first reinforcing plate 25.

Referring to fig. 2-3, an embodiment of the present invention is shown: have a plurality of interfaces on the first gusset plate 25 and be trapezoidal bellying plate 26, this trapezoidal bellying plate 26 and first gusset plate 25 integrated into one piece, and form the cavity between bellying plate 26 and the bridge 13 bottom, the reinforcement includes swing joint support head 32 in the cavity, support head 32 bottom fixedly connected with

push rod

3, 3 lower extreme fixedly connected with mounting panel 33 of push rod, mounting

panel

33 and 2 fixed connection of second gusset plate, fixedly connected with support 31 on the push rod 3, support 31 can offset with bellying plate 26.

In this embodiment, the upper end of the push rod 3 is inserted into the protruding plate 26, and a support 31 is fixed on the push rod 3, so that the support 31 can fit and support the protruding plate 26, and a support head 32 is disposed in the cavity formed by the protruding plate 26, and the support head 32 is in direct contact with the bottom of the bridge 13, thereby performing multiple protection functions.

Referring to fig. 1-6, an embodiment of the present invention is shown: a sliding rod 43 is fixedly arranged at the bottom of the convex plate 26, a lifting block 44 is fixedly connected at the bottom of the sliding rod 43, a power distribution cavity 4 is arranged in the support 31, and a laser transmitter 42 for transmitting laser signals is arranged in the power distribution cavity 4; a receiver 46 for receiving a laser signal, and an electronic control component 41 for electrically controlling the laser transmitter 42 and the receiver 46; wherein, be connected with lens 45 on lifting block 44, lens 45 slope sets up, and on laser signal transmitted at laser emitter 42 passed through lens 45 refraction to receiver 46, cup jointed first spring 47 on push rod 3, first spring 47 both ends offset with lifting block 44 and mounting panel 33 respectively.

In order to monitor whether the bridge beam 13 collapses in real time, in this embodiment, the distribution chamber 4 is provided on the support 31, and a laser transmitter 42, a receiver 46 and an electric control component 41 are arranged in the power distribution cavity 4, the electric control component 41 can be electrically connected with the internal wiring of the bridge 13, thereby ensuring that the laser transmitter 42 and the receiver 46 are energized, when the bridge 13 is overloaded and collapsed, the first reinforcing plate 25 moves downward, causing the slide bars 43 at the bottom of the projection plate 26 to move downward, thereby causing the elevating blocks 44 to move downward, and the lens 45 moves downwards synchronously, the emitting end of the laser emitter 42 is separated from the lens 45, therefore, the laser cannot be emitted, so that the receiver 46 cannot receive the signal, at this time, the receiver 46 feeds the signal back to the electronic control component 41, and the electronic control component 41 transmits the signal to a preset central server for alarming, so that the bridge 13 can be monitored in real time.

Referring to fig. 1-6, an embodiment of the present invention is shown: support head 32 top and be equipped with standing groove 5, fixedly connected with multiunit sealed tube 52 in the standing groove 5, sealed sliding connection has piston 53 in the sealed tube 52, piston 53 top fixedly connected with connecting rod 54, connecting rod 54 upper end fixedly connected with inhales shake board 51, it offsets with bridge 13 bottom to inhale shake board 51, it offsets with inhaling the second spring 55 that shake board 51 and standing groove 5 diapire respectively to have cup jointed the both ends on the connecting rod 54, communicate through communicating pipe 56 between a plurality of sealed tubes 52, be connected with bleeder 57 on the communicating pipe 56, the passageway 431 has been seted up on the slide bar 43, bleeder 57 passes the passageway 431 and is connected with jet head 58, jet head 58 is located the top of lens 45.

In this embodiment, in order to absorb the shock of the bridge 13 and clean the lenses 45 on the lifting block 44, the placing tank 5 is disposed on the supporting head 32, and the sealing tube 52 is installed in the placing tank 5, when the vehicle passes through the bridge 13, the bridge 13 will vibrate, and therefore the shock absorbing plate 51 is elastically disposed above the supporting head 32, so that the shock is absorbed by the second spring 55, and the shock absorbing plate 51 drives the connecting rod 54 to move up and down, so that the gas in the sealing tube 52 is delivered to the branch pipes 57 through the communicating pipe 56 by the piston 53 in the sealing tube 52, and then the lenses 45 are cleaned by being discharged from the gas nozzle 58.

When the bridge 13 is reinforced, firstly, the groove 14 is arranged in the range needing to be reinforced, roadblocks are arranged around the reinforcing groove 14, holes are drilled on the bottom wall of the reinforcing groove 14, as shown in fig. 2, the through hole 15 is through in the embodiment, although the embodiment of the application does not limit the situation, the through hole 15 can not be through, the through hole 15 is through in the embodiment, the purpose is to arrange a node arranged for reinforcing the bottom of the bridge 13, when the through hole 15 is not through, after the through hole 15 is processed by a drilling machine, the through hole 15 needs to be cleaned, specifically, the cleaning brush is stretched into the through hole 15 by the drilling machine to rotate upwards, so as to discharge the fertilizer inside, and blow the through hole 15 by a high-pressure spray head, so as to further keep the through hole 15 clean, the purpose of the step is to enhance the adsorbability of the bar planting glue and the inner wall of the through hole 15, after hole cleaning is finished, the bar planting glue is injected into the through hole 15 by a glue gun, the bar planting glue in the through hole 15 accounts for two thirds of the capacity of the through hole 15, then the implanted rod 16 is inserted into the through hole 15, then standing is carried out for 24 hours, the overflowing redundant bar planting glue is removed, the implanted rod 16 is integrated with the bridge 13 at the moment, steel bars 17 are bound on the implanted rods 16, then the tensile net 18 is laid, and concrete is poured again, so that local reinforcement of the pavement is finished; when the through hole 15 is through, a sealing box is required to be installed at the bottom of the through hole 15 before the bar planting glue is injected into the through hole 15, the sealing box can prolong the depth of the through hole 15, so that the implantation rod 16 can be fixed with the through hole 15 and extend downwards for a certain distance when being inserted, the extended implantation rod 16 is used for connecting a first reinforcing plate 25, the bottom of the implantation rod 16 can be provided with threads for screwing, and can also be welded and fixed with the first reinforcing plate 25, so that the bridge 13 is further reinforced; a second reinforcing plate 2 is arranged between the two bent caps 12, a supporting piece is additionally arranged at the bottom of the second reinforcing plate 2, the supporting for the bridge 13 is further improved through a fixing piece between the second reinforcing plate 2 and the first reinforcing plate 25, the upper end of the push rod 3 is inserted into the protruding plate 26, and a support 31 is fixed on the push rod 3, so that the support 31 can be used for attaching and supporting the protruding plate 26, a support head 32 is arranged in a cavity formed by the protruding plate 26, and the support head 32 is in direct contact with the bottom of the bridge 13, so that the multiple protection effect is achieved; in order to monitor whether the bridge beam 13 is collapsed in real time, the distribution chamber 4 is arranged on the support 31, and a laser transmitter 42, a receiver 46 and an electric control component 41 are arranged in the power distribution cavity 4, the electric control component 41 can be electrically connected with the internal wiring of the bridge 13, thereby ensuring that the laser transmitter 42 and the receiver 46 are energized, when the bridge 13 is overloaded and collapsed, the first reinforcing plate 25 moves downward, causing the slide bars 43 at the bottom of the projection plate 26 to move downward, thereby causing the elevating blocks 44 to move downward, and the lens 45 moves downwards synchronously, the emitting end of the laser emitter 42 is separated from the lens 45, therefore, laser cannot be shot, so that the receiver 46 cannot receive signals, at the moment, the receiver 46 feeds the signals back to the electric control assembly 41, the electric control assembly 41 transmits the signals to a preset central server for alarming, and the bridge 13 can be monitored in real time; in order to absorb shock for the bridge 13 and clean the lenses 45 on the lifting block 44, the placing groove 5 is arranged on the supporting head 32, the sealing tube 52 is arranged in the placing groove 5, when a vehicle passes through the bridge 13, the bridge 13 generates shock, the shock absorbing plate 51 is elastically arranged above the supporting head 32, the shock is absorbed by the second spring 55, the shock absorbing plate 51 drives the connecting rod 54 to move up and down, the piston 53 in the sealing tube 52 conveys the gas in the sealing tube 52 to the branch tube 57 through the communicating tube 56, and then the lenses 45 are cleaned by being discharged from the gas nozzle 58.

According to the invention, the groove 14 is formed in the range needing to be reinforced, the bottom wall of the reinforcing groove 14 is drilled, after hole cleaning is finished, bar planting glue is driven into the through hole 15 by using a glue gun, then the implanting rod 16 is inserted into the through hole 15, the implanting rod 16 is integrated with the bridge 13 at the moment, the steel bars 17 are bound on the implanting rods 16, then the tensile net 18 is paved, and concrete is poured again, so that the local reinforcement of the pavement is finished.

Because set up distribution chamber 4 on support 31, and set up laser emitter 42, receiver 46 and automatically controlled subassembly 41 in distribution chamber 4, when bridge 13 transships and takes place to cave in, first gusset plate 25 moves down, drive the slide bar 43 downstream of bellying board 26 bottom, consequently, drive elevator 44 and move down, and then lens 45 moves down in step, then laser emitter 42 transmitting end and lens 45 separation, thereby laser can't be shot, thereby cause behind the unable received signal of receiver 46, receiver 46 feeds back the signal to automatically controlled subassembly 41 this moment, automatically controlled subassembly 41 reports to the police with the central server that signal transmission set up in advance, thereby can monitor bridge 13 in real time.

Because the placing groove 5 is arranged on the supporting head 32, and the sealing tube 52 is arranged in the placing groove 5, when a vehicle passes through the bridge 13, the bridge 13 can vibrate, so the vibration is absorbed by the second spring 55, and simultaneously the shock absorption plate 51 drives the connecting rod 54 to move up and down, so that the gas in the sealing tube 52 is conveyed to the branch tube 57 through the communicating tube 56 by the piston 53 in the sealing tube 52, and then the lens 45 is cleaned by being discharged from the gas nozzle 58.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a reinforced structure for bridge overload protection, includes pier (1) to and stand (11) of connection on pier (1), be equipped with bent cap (12) on stand (11), bent cap (12) are equipped with the stone pad that is used for supporting bridge (13), its characterized in that: a reinforcing groove (14) is formed in the upper surface of the bridge (13), a plurality of through holes (15) are formed in the reinforcing groove (14), bar-planting glue is arranged in the through holes (15), implanted rods (16) are inserted into the through holes (15), a plurality of layers of reinforcing steel bars (17) are tied on the implanted rods (16), anti-pulling nets (18) are laid on the plurality of layers of reinforcing steel bars (17), and concrete is filled in the reinforcing groove (14);

the through holes (15) penetrate through the bridge (13), the implantation rods (16) penetrate through the bridge (13) and extend downwards, the extending ends of the implantation rods (16) are fixedly connected with first reinforcing plates (25), and the first reinforcing plates (25) are attached to the bottom of the bridge (13);

a second reinforcing plate (2) is fixedly connected between two adjacent bent cap (12), the second reinforcing plate (2) is provided with two side walls and a bottom wall, the two side walls of the second reinforcing plate are respectively fixed with the two adjacent bent cap (12) through bolts, and a reinforcing member is arranged between the first reinforcing plate (25) and the second reinforcing plate (2);

the first reinforcing plate (25) is provided with a plurality of protruding plates (26) with trapezoidal interfaces, the trapezoidal protruding plates (26) and the first reinforcing plate (25) are integrally formed, a cavity is formed between the protruding plates (26) and the bottom of the bridge (13), the reinforcing member comprises a supporting head (32) movably connected in the cavity, the bottom of the supporting head (32) is fixedly connected with a push rod (3), the lower end of the push rod (3) is fixedly connected with a mounting plate (33), the mounting plate (33) is fixedly connected with the second reinforcing plate (2), a support (31) is fixedly connected to the push rod (3), and the support (31) abuts against the protruding plates (26);

the improved power distribution device is characterized in that a sliding rod (43) is fixedly arranged at the bottom of the convex plate (26), a lifting block (44) is fixedly connected to the bottom of the sliding rod (43), a power distribution cavity (4) is arranged in the support (31), and a power distribution cavity (4) is arranged in the power distribution cavity (4)

A laser transmitter (42) for transmitting a laser signal;

a receiver (46) for receiving the laser signal, and

an electronic control assembly (41) for electrically controlling the laser transmitter (42) and receiver (46);

wherein, the lifting block (44) is connected with a lens (45), the lens (45) is obliquely arranged, a laser signal emitted by the laser emitter (42) is refracted to the receiver (46) through the lens (45), the push rod (3) is sleeved with a first spring (47), two ends of the first spring (47) are respectively abutted against the lifting block (44) and the mounting plate (33), when the bridge (13) is overloaded and collapsed, the first reinforcing plate (25) moves downwards to drive the sliding rod (43) at the bottom of the raised plate (26) to move downwards, so as to drive the lifting block (44) to move downwards, and further the lens (45) moves downwards synchronously, the emitting end of the laser emitter (42) is separated from the lens (45), so that the laser cannot be shot, and the receiver (46) feeds back the signal to the electric control component (41) after the receiver (46) cannot receive the signal, the electric control assembly (41) transmits the signal to a preset central server for alarming, so that the bridge (13) can be monitored in real time;

a placing groove (5) is arranged at the top of the supporting head (32), a plurality of groups of sealing pipes (52) are fixedly connected in the placing groove (5), a piston (53) is connected in the sealing tube (52) in a sealing and sliding way, the top of the piston (53) is fixedly connected with a connecting rod (54), the upper end of the connecting rod (54) is fixedly connected with a shock absorption plate (51), the shock absorption plate (51) is propped against the bottom of the bridge (13), the connecting rod (54) is sleeved with a second spring (55) of which two ends are respectively propped against the shock absorption plate (51) and the bottom wall of the placing groove (5), the plurality of sealing pipes (52) are communicated through a communicating pipe (56), a branch pipe (57) is connected to the communicating pipe (56), a channel (431) is arranged on the sliding rod (43), the branched pipe (57) is connected with an air nozzle (58) through the channel (431), and the air nozzle (58) is positioned above the lens (45);

when the vehicle passes through bridge (13), bridge (13) can produce vibrations, through inhaling the top that the setting of inhaling the elasticity of shake board (51) was in supporting head (32), inhale shake through second spring (55), inhale simultaneously and shake and drive connecting rod (54) and reciprocate on the board (51), through piston (53) in sealed tube (52) with the gas in sealed tube (52) through communicating pipe (56) to lateral pipe (57) carry, then discharge from jet head (58) and clear up lens (45).

2. The reinforcing structure for bridge overload protection according to claim 1, wherein: and a support piece is fixedly connected between every two adjacent upright columns (11), is positioned at the bottom of the second reinforcing plate (2) and is used for providing supporting force for the second reinforcing plate (2).

3. The reinforcing structure for bridge overload protection according to claim 2, wherein: support piece includes one and passes through bolt fastening's first marginal lateral wall (22) with stand (11) outer wall to and second marginal lateral wall (21) with the fixed setting in second gusset plate (2) bottom, first marginal lateral wall (22) are fixed mutually with second marginal lateral wall (21) one end, and the other end is equipped with third marginal lateral wall (23), the interface of third marginal lateral wall (23) is the arc, a plurality of bracing pieces (24) of second marginal lateral wall (21) bottom fixedly connected with, a plurality of bracing pieces (24) lower extreme downwardly extending with third marginal lateral wall (23) are fixed.