CN113309007A

CN113309007A - Assembled bridge support

Info

Publication number: CN113309007A
Application number: CN202110753296.4A
Authority: CN
Inventors: 李大勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-08-27

Abstract

The invention belongs to the technical field of bridge construction, and particularly relates to an assembled bridge support which comprises upright columns, wherein the upright columns are assembled and fixed by bent frames and longitudinal beams through butt fasteners, and concrete piles are arranged at the lower ends of the upright columns; the bearing beam is erected at the upper end of the upright post and is I-shaped steel; the anti-collision mechanism is arranged on the surface of the upright post, and a buffer cushion layer is arranged between the anti-collision mechanism and the upright post; the cushion layer comprises two mounting plates, the two mounting plates are fixedly connected with the stand column and the anti-collision mechanism respectively, and a plurality of air cushions are arranged between the two mounting plates at equal intervals. The invention can form good buffer action to vehicle collision, avoid the rigid collision between the upright post and the vehicle, prevent the upright post from deforming due to collision and reduce the possibility of dangerous accidents.

Description

Assembled bridge support

Technical Field

The invention belongs to the technical field of bridge construction, and particularly relates to an assembled bridge support.

Background

The rapid development of the assembled bridge engineering, the enlargement of the engineering scale and the complexity of the structural system bring complexity and safety problems to the construction process, and the safe, energy-saving and civilized construction of the assembled bridge is the development trend of the bridge industry.

When current assembled bridge is under construction on the road way, the column support must set up the portal type support that satisfies the current (people's bank of china or the car bank of china) headroom requirement of road to guarantee the unobstructed of existing road during the construction, assembled bridge support on the road way mostly only sets up warning device, do not have anticollision facility, when the traffic accident takes place, vehicle striking support easily causes vibrations and harm, cause the influence to construction safety, probably cause the bridge to collapse when serious, take place the injury accident even.

To this end, we propose a fabricated bridge bracket to solve the above problems.

Disclosure of Invention

The invention aims to solve the problem that no anti-collision facility is provided, and provides an assembled bridge support with good anti-collision performance.

In order to achieve the purpose, the invention adopts the following technical scheme: an assembled bridge support comprising:

the vertical column is assembled and fixed by a bent and a longitudinal beam through a butt joint fastener, and a concrete pile is arranged at the lower end of the vertical column;

the bearing beam is erected at the upper end of the upright post and is I-shaped steel;

the anti-collision mechanism is arranged on the surface of the upright post, and a buffer cushion layer is arranged between the anti-collision mechanism and the upright post;

the cushion layer comprises two mounting plates, the two mounting plates are fixedly connected with the stand column and the anti-collision mechanism respectively, and a plurality of air cushions are arranged between the two mounting plates at equal intervals.

In foretell assembled bridge support, anticollision institution includes fixed plate, attenuator, activity clamp plate and touching piece, the fixed plate passes through bolt fixed connection with the mounting panel, the attenuator sets up between fixed plate and activity clamp plate, touching piece is fixed through many connecting rods with the activity clamp plate.

In the assembled bridge support, the damper comprises transverse guide grooves, slide rods, slide blocks, buffer springs, inclined support rods, push rods, a damping box and magnetic compression plates, the transverse guide grooves are installed on the fixed plate and the movable pressing plate in pairs, the slide rods are fixedly connected in the transverse guide grooves, the slide blocks are sleeved on the slide rods in a sliding mode, the slide blocks are fixedly connected with the side walls of the two sides of the transverse guide grooves through the buffer springs, the inclined support rods are rotatably connected to the surfaces of the slide blocks, one ends, close to each other, of the two inclined support rods are rotatably connected through rotary fasteners, the rotary fasteners are fixedly connected with the magnetic compression plates through the push rods, the two magnetic compression plates are hermetically and slidably connected in the damping box, and magnetorheological fluid is filled in the damping box.

In foretell assembled bridge support, the touching piece includes bearing block, connecting tube and buffer sac, buffer sac fixed mounting is on the bearing block, buffer sac and damping box pass through connecting tube intercommunication.

In the assembled bridge support, the connecting pipe is composed of two sections of a steel pipe and a corrugated hose, the steel pipe is connected with the buffer liquid bag and penetrates through the pressure bearing block, and the corrugated hose penetrates through the movable pressing plate and is communicated with the interior of the damping box.

In foretell assembled bridge support, be equipped with pivot, rotor, U-shaped magnet and warning light in the bearing block, pivot and the coaxial fixed connection of rotor, the rotor sets up in U-shaped magnet, the connecting tube internal rotation is connected with the swiveling wheel, the axis of swiveling wheel is perpendicular with the axis of connecting tube, the pivot extend to in the connecting tube and with the coaxial fixed of swiveling wheel, warning light fixed mounting is in the both sides of bearing block, warning light and rotor coupled connection.

Compared with the prior art, this assembled bridge support's advantage lies in:

1. the buffer cushion layer is arranged, so that a good buffer effect can be formed on the vehicle impact, the rigid collision between the stand column and the vehicle is avoided, and the stand column is prevented from deforming due to the impact.

2. According to the invention, the damper is arranged, when collision occurs, the touch piece drives the movable pressing plate to approach to the direction of the fixed plate through the connecting rod to drive the four inclined supporting rods to deflect, when the sliding block transversely slides in the transverse guide groove, the buffer spring is compressed, the four inclined supporting rods convert vertical impact force into transverse force, and the compression spring absorbs impact energy.

3. In the invention, the four inclined stay bars drive the two magnetic pressing plates to approach each other through the two push rods, the magnetorheological fluid has good fluidity in an initial state, and flows into the buffer liquid bag through the connecting guide pipe under the action of pressure to play a good buffering role, and the distance between the two magnetic pressing plates is smaller in the approaching process of the two magnetic pressing plates, the magnetic field action of the magnetorheological fluid is larger, the fluidity is lower, the pressure resistance is higher, and the anti-collision capacity is further improved.

4. According to the invention, the rotating wheel, the rotor and the U-shaped magnet are arranged, when magnetorheological fluid flows in the connecting conduit, the magnetorheological fluid impacts the rotating wheel to rotate, the rotating wheel drives the rotor to rotate, the rotor cuts the magnetic induction line of the U-shaped magnet to generate induction current, power is supplied to the warning lamp, and the warning lamp can emit flash light, so that a worker can find dangerous situations and respond in time, and chain safety accidents are avoided.

Drawings

FIG. 1 is a schematic structural view of an assembled bridge support provided by the present invention;

FIG. 2 is a schematic top view of a crash protection mechanism for an assembled bridge support according to the present invention;

FIG. 3 is a schematic view of the damper structure of an assembled bridge support according to the present invention;

FIG. 4 is a schematic view of the internal structure of a damping box of an assembled bridge support according to the present invention;

FIG. 5 is a schematic view of a striker structure of an assembled bridge bracket according to the present invention;

fig. 6 is an enlarged view at a in fig. 5.

In the figure, 1 upright post; 2, bearing beams; 3, an anti-collision mechanism; 4 a cushion layer; 11 concrete pile columns; 41 mounting a plate; 42 cushion of air; 31 fixing the plate; 32 a damper; 33 a movable platen; 34 a touch piece; 321 transverse guide slots; 322 a slide bar; 323 a slide block; 324 a buffer spring; 325 diagonal brace rod; 326 push rods; 327 a damping tank; 328 a magnetic compression plate; 329 rotating the fastener; 341 a pressure bearing block; 342 is connected with a catheter; 343 buffer fluid sac; 3411 a rotating shaft; 3412 a rotor; 3413U-shaped magnet; 3414 warning lights; 3415 rotating the wheel.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 6, an assembled bridge bracket includes:

the vertical column 1 is assembled and fixed by a bent and a longitudinal beam through a butt joint fastener, and the lower end of the vertical column 1 is provided with a concrete pile 11;

the bearing beam 2 is erected at the upper end of the upright post 1, and the bearing beam 2 is I-shaped steel;

the anti-collision mechanism 3 is arranged on the surface of the upright post 1, and a buffer cushion layer 4 is arranged between the anti-collision mechanism 3 and the upright post 1, so that a good buffer effect can be formed on the vehicle impact;

the cushion layer 4 comprises two mounting plates 41, the two mounting plates 41 are respectively fixedly connected with the upright post 1 and the anticollision mechanism 3, and a plurality of air cushions 42 are arranged between the two mounting plates 41 at equal intervals.

Further, the anti-collision mechanism 3 comprises a fixed plate 31, a damper 32, a movable pressing plate 33 and a touch piece 34, the fixed plate 31 is fixedly connected with the mounting plate 41 through bolts, the damper 32 is arranged between the fixed plate 31 and the movable pressing plate 33, and the touch piece 34 and the movable pressing plate 33 are fixed through a plurality of connecting rods.

Further, the damper 32 includes a transverse guide slot 321, a sliding rod 322, a sliding block 323, a buffer spring 324, an inclined strut 325, a push rod 326, a damping box 327 and a magnetic compression plate 328, wherein two of the transverse guide slots 321 are installed on the fixed plate 31 and the movable pressing plate 33, the sliding rod 322 is fixedly connected in the transverse guide slot 321, the sliding block 323 is slidably sleeved on the sliding rod 322, the sliding block 323 is fixedly connected with the side walls of both sides of the transverse guide slot 321 through the buffer spring 324, the inclined strut 325 is rotatably connected to the surface of the sliding block 323, the ends of the two inclined struts 325 close to each other are rotatably connected through a rotary fastener 329, the rotary fastener 329 is fixedly connected with the magnetic compression plate 328 through the push rod 326, the two magnetic compression plates 328 are both sealingly and slidably connected in the damping box 327 is filled with a magnetorheological fluid, it should be noted that the magnetic compression plate 328 is made of a ferrite permanent magnetic material, the magnetorheological fluid is a novel fluid with controllable fluidity, the low-viscosity Newtonian fluid has the characteristics of low viscosity in a low magnetic field environment, and the high-viscosity low-fluidity Bingham fluid has the characteristics of high viscosity in a high magnetic field environment.

Further, the touch piece 34 includes a bearing block 341, a connecting pipe 342 and a buffer liquid bag 343, magnetorheological fluid is filled in the buffer liquid bag 343, the buffer liquid bag 343 is fixedly mounted on the bearing block 341, it is worth mentioning that the buffer liquid bag 343 is made of a silica gel material, and has good elastic deformation capability, and can deform to play a buffering role when a vehicle collides, and the buffer liquid bag 343 is communicated with the damping tank 327 through the connecting pipe 342, and it should be noted that the connecting pipe 342 is composed of a steel pipe and two sections of corrugated hoses, wherein the corrugated hoses can be freely stretched and contracted in length, the steel pipe is connected with the buffer liquid bag 343 and penetrates through the bearing block 341, and the corrugated hoses penetrate through the movable pressing plate 33 and are communicated with the interior of the damping tank 327.

Further, a rotating shaft 3411, a rotor 3412, a U-shaped magnet 3413 and a warning light 3414 are disposed in the bearing block 341, the rotating shaft 3411 is coaxially and fixedly connected with the rotor 3412, the rotor 3412 is disposed in the U-shaped magnet 3413, it should be noted that the rotor 3412 is formed by winding a plurality of closed coils, the winding direction of the closed coil is perpendicular to the direction of the magnetic field lines in the U-shaped magnet 3413, so that the rotor 3412 can cut magnetic induction lines of the U-shaped magnet 3413 to generate induced current in the rotating process, the rotating wheel 3415 is rotatably connected in the connecting conduit 342, the axis of the rotating wheel 3415 is perpendicular to the axis of the connecting conduit 342, the rotating shaft 3411 extends into the connecting conduit 342 and is coaxially fixed with the rotating wheel 3415, the warning lamps 3414 are fixedly mounted on two sides of the bearing block 341, the warning lamps 3414 are coupled with the rotor 3412, the warning lamps 3414 can flash when a vehicle collides, and workers can find dangerous situations and react in time.

The working principle of the embodiment is as follows: when collision occurs, the buffer liquid bag 343 is firstly contacted with a vehicle to deform, so as to achieve a buffering effect, after the buffer liquid bag 343 reaches a deformation limit, the pressure bearing block 341 and the connecting rod drive the movable pressing plate 33 to approach towards the direction of the fixed plate 31, and then drive the four inclined supporting rods 325 to deflect, so that when the sliding block 323 slides transversely in the transverse guide groove 321, the buffer spring 324 deforms, the four inclined supporting rods 325 convert a vertical impact force into a transverse force, and the compression spring 324 absorbs impact energy.

Four diagonal brace 325 drive two magnetic pressure plates 328 through two push rods 326 and are close to each other, and under the initial condition, magnetorheological suspensions have good mobility, flow to in the buffer bag 343 in by connecting pipe 342 under the pressure effect, can play good cushioning effect, and make buffer bag 343 further inflation, increase the area of contact with the vehicle, promote its buffering effect, two magnetic pressure plates 328 are in the in-process of being close to, the distance between two magnetic pressure plates 328 is less, magnetorheological suspensions receive magnetic field effect more big, mobility is lower, then the pressure resistance is stronger, further reinforcing crashproof ability.

When the magnetorheological fluid flows in the connecting conduit 342, the impact rotating wheel 3415 rotates, the rotating wheel 3415 drives the rotor 3412 to rotate, the rotor 3412 cuts the magnetic induction lines of the U-shaped magnet 3413 to generate induction current, power is supplied to the warning lamp 3414, and the warning lamp 3414 can flash, so that a worker can find dangerous situations and react in time, and chain safety accidents are avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An assembled bridge support, comprising:

the vertical column (1) is assembled and fixed by a bent frame and a longitudinal beam through a butt-joint fastener, and a concrete pile (11) is arranged at the lower end of the vertical column (1);

the bearing beam (2) is erected at the upper end of the upright post (1), and the bearing beam (2) is I-shaped steel;

the anti-collision mechanism (3) is arranged on the surface of the upright post (1), and a buffer cushion layer (4) is arranged between the anti-collision mechanism (3) and the upright post (1);

the cushion pad layer (4) comprises two mounting plates (41), wherein the two mounting plates (41) are fixedly connected with the upright post (1) and the anti-collision mechanism (3) respectively, and a plurality of air pads (42) are arranged between the two mounting plates (41) at equal intervals.

2. The assembled bridge support according to claim 1, wherein the anti-collision mechanism (3) comprises a fixed plate (31), a damper (32), a movable pressing plate (33) and a touch piece (34), the fixed plate (31) is fixedly connected with the mounting plate (41) through bolts, the damper (32) is arranged between the fixed plate (31) and the movable pressing plate (33), and the touch piece (34) and the movable pressing plate (33) are fixed through a plurality of connecting rods.

3. The assembled bridge support according to claim 2, wherein the damper (32) comprises a transverse guide groove (321), a sliding rod (322), a sliding block (323), a buffer spring (324), an inclined strut (325), a push rod (326), a damping box (327) and a magnetic compression plate (328), the transverse guide groove (321) is installed on the fixed plate (31) and the movable pressing plate (33) in pairs, the sliding rod (322) is fixedly connected in the transverse guide groove (321), the sliding block (323) is slidably sleeved on the sliding rod (322), the sliding block (323) is fixedly connected with the side walls on both sides of the transverse guide groove (321) through the buffer spring (324), the inclined strut (325) is rotatably connected with the surface of the sliding block (323), one ends of the two inclined struts (325) close to each other are rotatably connected through a rotary fastener (329), and the rotary fastener (329) is fixedly connected with the magnetic compression plate (328) through the push rod (326), the two magnetic compression plates (328) are connected in the damping box (327) in a sealing and sliding mode, and magnetorheological fluid is filled in the damping box (327).

4. The fabricated bridge bracket according to claim 3, wherein the touch member (34) comprises a bearing block (341), a connection conduit (342), and a buffer liquid bag (343), the buffer liquid bag (343) is fixedly installed on the bearing block (341), and the buffer liquid bag (343) is communicated with the damping tank (327) through the connection conduit (342).

5. The fabricated bridge bracket according to claim 4, wherein the connection pipe (342) is composed of two segments of a steel pipe connected with the buffer fluid bladder (343) and disposed through the bearing block (341), and a corrugated hose penetrating the movable pressure plate (33) and communicating with the inside of the damping tank (327).

6. The assembled bridge support according to claim 4, wherein a rotating shaft (3411), a rotor (3412), a U-shaped magnet (3413) and a warning light (3414) are arranged in the bearing block (341), the rotating shaft (3411) is coaxially and fixedly connected with the rotor (3412), the rotor (3412) is arranged in the U-shaped magnet (3413), a rotating wheel (3415) is rotatably connected in the connecting conduit (342), an axis of the rotating wheel (3415) is perpendicular to an axis of the connecting conduit (342), the rotating shaft (3411) extends into the connecting conduit (342) and is coaxially fixed with the rotating wheel (3415), the warning light (3414) is fixedly installed on two sides of the bearing block (341), and the warning light (3414) is coupled with the rotor (3412).