CN112726371A

CN112726371A - Anticollision type assembled steel bridge

Info

Publication number: CN112726371A
Application number: CN202011607507.5A
Authority: CN
Inventors: 周冠连
Original assignee: Nanjing Niannianguan Trading Co ltd
Current assignee: Zhang Xuliang
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-30

Abstract

The invention discloses an anti-collision assembly type steel bridge, which comprises a pedal device, a guardrail device and a support column, wherein the guardrail device is fixed on two corresponding sides of the top of the pedal device, a sliding plate is slidably connected inside a pedal body, a return spring is fixed between the end part of the sliding plate and the two corresponding sides inside the pedal body, the top end of a right-angle connecting rod is fixedly connected with one side of the surface of the guardrail device, a friction device is arranged between the top of the sliding plate and the two corresponding sides inside the pedal body, and the friction device is close to the surface of the pedal body. This firm bridge of anticollision type assembled has reached the mesh of anticollision, in time increase friction, in time cushions, reduces the impact force, is favorable to the protection to bridge and vehicle, and in time increases frictional force, improves vehicle braking effect, reduces the vehicle and dashes out the guardrail, and safe and reliable has reduced the potential safety hazard, has improved performance.

Description

Anticollision type assembled steel bridge

Technical Field

The invention relates to the technical field of bridges, in particular to an anti-collision assembly type steel bridge.

Background

The fabricated bridge is formed by dividing a tall abutment into a plurality of components horizontally according to a certain modulus along the vertical direction, pouring on a prefabricated field around the bridge site, transporting the components to the site by a vehicle and a ship, hoisting and assembling the components, and splicing the bridge deck on the abutment to achieve the purpose of rapid construction. Therefore, the fully prefabricated bridge structure is an effective means for accelerating construction speed, reducing field pollution and realizing low-carbon construction. Under the guidance of national policies and technical development, bridge fabricated structures are also increasingly widely applied to various projects. The assembled bridge has reliable quality, intelligent steel bar processing, prefabricated factory components and standardized program construction. High-precision positioning ensures the inherent quality of the bridge prefabricated part. The construction speed is high, and one of the main advantages of the assembled bridge is that the construction speed is high and the interference to surrounding traffic is small. When the pile foundation construction is carried out, the prefabrication of the pier column, the abutment and the beam plate can be carried out, and the installation can be carried out while the construction is carried out. The time period with small traffic interference at night is fully utilized, one to two lanes are blocked, and then the bridge member assembling operation can be carried out. In the process of driving a vehicle on a bridge (particularly a viaduct), in order to ensure the driving safety of the vehicle and prevent the vehicle from rushing down the bridge due to various reasons to cause accidents, guard rails need to be installed on two sides of the bridge.

At present, the current assembled steel bridge structures in the market are too simple, and the rail guard only plays simple guard action, does not have the function of anticollision for bridge main part and vehicle are all damaged seriously, have great potential safety hazard, especially arrived rainy season, and footboard surface is wet and smooth, and friction is little, and brake braking effect is poor, and the vehicle dashes out the guardrail very easily, causes more serious accident, has reduced performance.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an anti-collision assembly type steel bridge, which solves the problems that the structure of the existing assembly type steel bridge is too simple, a guard rail only plays a simple protection role, and the anti-collision function is not available, so that a bridge main body and a vehicle are both seriously damaged, a large potential safety hazard exists, particularly, in rainy seasons, the surface of a pedal is wet and smooth, the friction is small, the braking effect is poor, the vehicle is easy to rush out of the guard rail, more serious accidents are caused, and the service performance is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anticollision type assembled steel bridge, includes footboard device, guardrail device, support column, the guardrail device is fixed in the corresponding both sides in footboard device top, the bottom central point at footboard device is fixed to the support column, the footboard device is equipped with footboard body, sliding plate, reset spring, right angle connecting rod, friction device, sliding plate sliding connection is in the inside of footboard body, reset spring fixes between the sliding plate tip and the inside corresponding both sides of footboard body, the right angle connecting rod is fixed in the one end that reset spring was kept away from to the sliding plate, the top of right angle connecting rod and guardrail device's surperficial one side fixed connection, friction device sets up between the sliding plate top and the inside corresponding both sides of footboard body, friction device is close to the surface position of footboard body.

Preferably, the friction device is provided with a top block, a sliding hole, a friction protrusion, an S-shaped connecting piece and an arc elastic piece, the bottom of the top block is fixed to the top of the sliding plate, the sliding hole is formed in the surface of the pedal body, the friction protrusion is located at the position of the sliding hole and is in sliding connection with the pedal body, the S-shaped connecting piece is fixed to the bottom of the friction protrusion and is located inside the pedal body, the top of the top block is in sliding connection with the S-shaped connecting piece, and the arc elastic piece is fixed between the end portion of the S-shaped connecting piece and two corresponding sides inside the pedal body.

Preferably, the friction bulge is provided with a base body and bulge blocks, the base body is in sliding connection in the sliding hole, the bulge blocks are fixed on the top of the base body, and the base body is uniformly distributed on the top of the base body.

Preferably, the guardrail device is provided with a U-shaped fixing frame, an arc-shaped support, a barrier device and a buffer piece, the opening of the U-shaped fixing frame is downward and fixed at the top of the pedal device, the arc-shaped support is fixed between the top of the surface of the U-shaped fixing frame and the two sides corresponding to the surface of the pedal device, the barrier device is fixed between the top of the inner wall of the U-shaped fixing frame and the two sides corresponding to the top of the pedal device, and the buffer piece is fixed between the surface of the barrier device and the two sides corresponding to the inner wall of.

Preferably, the barrier device is equipped with elastic support column, elasticity safety cover, buffer, the elastic support column is located the inside central position of elasticity safety cover, buffer sets up between elastic support column, the elasticity safety cover, buffer articulates the surface at elastic support column, buffer keeps away from elastic support column's one end and elasticity safety cover inner wall in close contact with.

Preferably, buffer is equipped with first support piece, second support piece, gyro wheel, gasbag, arc spring, the one end of first support piece, the one end of second support piece all articulate with the surface of elastic support post, the gyro wheel sets up the one end of keeping away from elastic support post at first support piece, second support piece, the gasbag sets up between first support piece, second support piece, the arc spring is fixed between the corresponding both sides of first support piece, second support piece and is close to the position of gasbag.

(III) advantageous effects

The invention provides an anti-collision assembly type steel bridge. The method has the following beneficial effects:

(one), this anticollision type assembled steel bridge, through footboard device, guardrail device, support column, overall structure has played the function of anticollision, can effectively cushion, all correspondingly protect bridge body and vehicle, impact force when make full use of striking simultaneously to combine the produced pulling force of guardrail device's deformation, in time increase the frictional force on footboard device surface, improve vehicle braking effect, improve the security performance, overall structure links together, and is not isolated existence.

(II), this anticollision type assembled steel bridge, through the footboard body, the sliding plate, reset spring, the right angle connecting rod, friction device, when the vehicle normally traveles, guardrail device does not have deformation, reset spring resets the sliding plate this moment, friction device is in the inside of footboard body, frictional force is normal, guarantee that the vehicle normally traveles, when the vehicle produces the collision with guardrail device, guardrail device receives impact force deformation this moment, promote the right angle connecting rod to the outside, and then drive the sliding plate and remove, friction device receives the surface of pulling force protrusion footboard body this moment, and then frictional force between wheel and the footboard body has in time increased, be favorable to the braking of vehicle, reduce the condition that the vehicle rushed out guardrail device, avoid causing bigger injures and deaths, make safe and reliable more.

(III), this anticollision type assembled steel bridge, through kicking block, slide opening, the friction is protruding, the S-shaped connecting piece, the arc elastic component, receive the striking and when warping when the guardrail device, the sliding plate removes rapidly this moment, and drive the kicking block, and through the direction of S-shaped connecting piece, with the protruding jack-up of friction, make frictional force increase rapidly, be convenient for brake the vehicle, when not having the striking, the arc elastic component provides elasticity, press the friction arch, make its shrink in the inside of footboard device.

(IV), this anticollision type assembled steel bridge, through base member, protruding piece, with base member evenly distributed at the top of base member, coefficient of friction increases a lot for frictional force increases, and then is favorable to under emergency, formulates rapidly, shortens and formulates the distance.

(V), this anticollision type assembled steel bridge, through U-shaped mount, arc support, barrier device, bolster, the barrier device can in time carry out elastic deformation, provides buffer distance, plays the function of first protection, and the arc support can make the guardrail device more firm, provides support for the bolster simultaneously, can effectively change the impact force of solving the vehicle once more for safe and reliable.

(VI), this anticollision type assembled steel bridge, through elastic support column, elasticity safety cover, buffer, elastic support column has improved the intensity of barrier device self, and when receiving the striking, the elasticity safety cover can carry out elastic deformation simultaneously to buffer can in time cushion, increases buffer distance, and then cushions the protection to the vehicle.

(VII) this anticollision type assembled steel bridge, through first support piece, second support piece, gyro wheel, gasbag, arc spring, when buffer received the striking, first support piece, second support piece separated to both sides, and the vehicle has in time obtained buffer distance, and the gasbag is compressed simultaneously, further cushions the vehicle, in time dissolves the impact force to the vehicle, has improved the security.

Drawings

FIG. 1 is a schematic view of the overall structure of a pedal device of an anti-collision assembly type steel bridge according to the present invention;

FIG. 2 is a schematic view of the internal structure of the anti-collision fabricated steel bridge of the present invention;

FIG. 3 is a schematic view of the internal structure of the pedal device of the anti-collision assembly type steel bridge of the present invention;

FIG. 4 is a schematic structural view of a friction device of the anti-collision assembly type steel bridge of the present invention;

FIG. 5 is a schematic view of a friction projection structure of the anti-collision fabricated steel bridge of the present invention;

FIG. 6 is a schematic structural view of a barrier device of the anti-collision assembly type steel bridge of the present invention;

fig. 7 is a schematic structural view of a buffering device of the anti-collision assembly type steel bridge.

In the figure: 1 pedal device, 2 guardrail device, 3 support column, 11 pedal body, 12 sliding plate, 13 return spring, 14 right-angle connecting rod, 15 friction device, 151 top block, 152 sliding hole, 153 friction bulge, 154S-shaped connecting piece, 155 arc-shaped elastic piece, 1531 base body, 1532 bulge block, 21U-shaped fixing frame, 22 arc-shaped support frame, 23 barrier device, 24 buffer piece, 231 elastic support column, 232 elastic protection cover, 233 buffer device, 2331 first support piece, 2332 second support piece, 2333 roller, 2334 air bag and 2335 arc-shaped spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

The first embodiment is as follows:

referring to fig. 1-7, the present invention provides a technical solution: an anti-collision assembly type steel bridge comprises a pedal device 1, a guardrail device 2 and a support column 3, wherein the guardrail device 2 is fixed on two corresponding sides of the top of the pedal device 1, the support column 3 is fixed at the central position of the bottom of the pedal device 1, the pedal device 1 is provided with a pedal body 11, a sliding plate 12, a return spring 13, a right-angle connecting rod 14 and a friction device 15, the sliding plate 12 is slidably connected inside the pedal body 11, the return spring 13 is fixed between the end part of the sliding plate 12 and the two corresponding sides of the inside of the pedal body 11, the right-angle connecting rod 14 is fixed at one end of the sliding plate 12 far away from the return spring 13, the top end of the right-angle connecting rod 14 is fixedly connected with one side of the surface of the guardrail device 2, the friction device 15 is arranged between the top of the sliding plate 12 and the, the purpose of anticollision has been reached, all corresponding protection to bridge body and vehicle, impact force when make full use of striking simultaneously to combine the produced pulling force of guardrail device 2's deformation, in time increase the frictional force on footboard device 1 surface, improve vehicle braking effect, improve the security performance.

The friction device 15 is provided with a top block 151, a sliding hole 152, a friction bulge 153, an S-shaped connecting piece 154 and an arc-shaped elastic piece 155, wherein the bottom of the top block 151 is fixed on the top of the sliding plate 12, the sliding hole 152 is arranged on the surface of the pedal body 11, the friction bulge 153 is positioned at the position of the sliding hole 152 and is in sliding connection with the pedal body 11, the S-shaped connecting piece 154 is fixed at the bottom of the friction bulge 153 and is positioned inside the pedal body 11, the top of the top block 151 is in sliding connection with the S-shaped connecting piece 154, the arc-shaped elastic piece 155 is fixed between the end part of the S-shaped connecting piece 154 and two corresponding sides inside the pedal body 11, when the guardrail device 2 is impacted and deformed, the sliding plate 12 moves rapidly, the top block 151 is driven, the friction bulge 153 is jacked up through the guidance of the S-shaped connecting piece 154, so that the friction force is, the arc-shaped elastic member 155 provides an elastic force to press the friction protrusion 153 down to be contracted inside the pedal apparatus 1.

Friction protrusion 153 is equipped with base 1531, protruding piece 1532, and base 1531 sliding connection in slide hole 152, protruding piece 1532 fixes at the top of base 1531, and base 1531 evenly distributed is at the top of base 1531, and coefficient of friction increases at double for frictional force increases, and then is favorable to under emergency, formulates rapidly, shortens and formulates the distance.

The second embodiment:

the guardrail device 2 is provided with a U-shaped fixing frame 21, an arc-shaped support 22, a barrier device 23 and a buffer piece 24, the opening of the U-shaped fixing frame 21 is downward and fixed at the top of the pedal device 1, the arc-shaped support 22 is fixed between the top of the surface of the U-shaped fixing frame 21 and the two sides corresponding to the surface of the pedal device 1, the barrier device 23 is fixed between the top of the inner wall of the U-shaped fixing frame 21 and the two sides corresponding to the top of the pedal device 1, the buffer piece 24 is fixed between the surface of the barrier device 23 and the two sides corresponding to the inner wall of the arc-shaped support 22, when the collision happens, the barrier device 23 is elastically deformed to provide a buffer distance, primary protection is set, meanwhile, the arc-shaped support 22 can enable the guardrail device 2 to be more stable.

Railing device 23 is equipped with elastomeric support post 231, elastomeric protection cover 232, buffer 233, elastomeric support post 231 is located the inside central point of elastomeric protection cover 232, buffer 233 sets up elastomeric support post 231, elastomeric protection cover 232 between, buffer 233 articulates the surface at elastomeric support post 231, buffer keeps away from elastomeric support post 231's one end and elastomeric protection cover 232 inner wall in close contact with, elastomeric support post 231 has improved the holistic intensity of railing device 23, when receiving the striking simultaneously, elastomeric protection cover 232 can carry out elastic deformation, and buffer 233 can in time cushion, increase buffer distance, and then cushion the protection to the vehicle.

The buffer device 233 is provided with a first support 2331, a second support 2332, a roller 2333, an air bag 2334 and an arc spring 2335, one end of the first support 2331 and one end of the second support 2332 are hinged to the surface of the elastic supporting column 231, the roller 2333 is arranged at one end of the first support 2331 and the second support 2332 far away from the elastic supporting column 231, the air bag 2334 is arranged between the first support 2331 and the second support 2332, and the arc spring 2335 is fixed between two corresponding sides of the first support 2331 and the second support 2332 and close to the position of the air bag 2334.

When the guardrail device 2 is used, when the guardrail device 2 is not impacted by a vehicle, the guardrail device 2 is in a vertical state without deformation, the reset spring 13 resets the sliding plate 12, the friction device 15 is positioned inside the pedal body 11, the friction force is normal, the normal running of the vehicle is ensured, when the vehicle collides with the guardrail device 2, the guardrail device 2 is deformed by impact force, the right-angle connecting rod 14 is pushed outwards, the sliding plate 12 is driven to move, the friction device 15 is protruded out of the surface of the pedal body 11 by the tension force, the friction force between the wheels and the pedal body 11 is timely increased, the braking of the vehicle is facilitated, the situation that the vehicle rushes out of the guardrail device 2 is reduced, and larger casualties are avoided, and the deformed guardrail device 2 is driven by the right-angle connecting rod 14 to rapidly move the sliding plate 12 and drive the top block 151 and is guided by the S-shaped connecting piece 154, with friction arch 153 jack-up, make frictional force increase rapidly, be convenient for brake the vehicle, and through base 1531 evenly distributed at the top of base 1531, coefficient of friction increases at double, make frictional force increase, and then be favorable to under emergency, formulate rapidly, shorten the distance of formulating, and when striking, elastic support column 231 has improved the holistic intensity of barrier device 23, elastic protection cover 232 can carry out elastic deformation, and buffer 233 can in time cushion, increase buffer distance, and buffer protection to the vehicle, and first support 2331, second support 2332 separates to both sides, the vehicle has in time obtained buffer distance, gasbag 2334 is compressed simultaneously, further cushion the vehicle, in time the impact force to the vehicle is dissolved, the security has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anticollision type assembled steel bridge, includes footboard device (1), guardrail device (2), support column (3), its characterized in that: the guardrail device (2) is fixed on two corresponding sides of the top of the pedal device (1), the support column (3) is fixed at the central position of the bottom of the pedal device (1), the pedal device (1) is provided with a pedal body (11), a sliding plate (12), a return spring (13), a right-angle connecting rod (14) and a friction device (15), the sliding plate (12) is slidably connected inside the pedal body (11), the return spring (13) is fixed between the end part of the sliding plate (12) and the two corresponding sides of the inside of the pedal body (11), the right-angle connecting rod (14) is fixed at one end of the sliding plate (12) far away from the return spring (13), the top end of the right-angle connecting rod (14) is fixedly connected with one side of the surface of the guardrail device (2), and the friction device (15) is arranged between the top of the sliding plate (12) and the two corresponding, the friction device (15) is close to the surface position of the pedal body (11).

2. The anti-collision assembly type steel bridge according to claim 1, wherein: the friction device (15) is provided with a top block (151), a sliding hole (152), a friction bulge (153), an S-shaped connecting piece (154) and an arc-shaped elastic piece (155), the bottom of the top block (151) is fixed to the top of the sliding plate (12), the sliding hole (152) is formed in the surface of the pedal body (11), the friction bulge (153) is located at the position of the sliding hole (152) and is in sliding connection with the pedal body (11), the S-shaped connecting piece (154) is fixed to the bottom of the friction bulge (153) and is located inside the pedal body (11), the top of the top block (151) is in sliding connection with the S-shaped connecting piece (154), and the arc-shaped elastic piece (155) is fixed between the end of the S-shaped connecting piece (154) and two corresponding sides inside the pedal body (11).

3. The anti-collision assembly type steel bridge according to claim 2, wherein: the friction bulge (153) is provided with a base body (1531) and bulge blocks (1532), the base body (1531) is connected in the sliding hole (152) in a sliding mode, the bulge blocks (1532) are fixed to the top of the base body (1531), and the base body (1531) is evenly distributed on the top of the base body (1531).

4. The anti-collision assembly type steel bridge according to claim 1, wherein: guardrail device (2) are equipped with U-shaped mount (21), arc support (22), railing device (23), bolster (24), the opening of U-shaped mount (21) is downward and fix at the top of footboard device (1), arc support (22) are fixed between U-shaped mount (21) surface top and the corresponding both sides in footboard device (1) surface, railing device (23) are fixed between the corresponding both sides in U-shaped mount (21) inner wall top and footboard device (1) top, bolster (24) are fixed between railing device (23) surface and the corresponding both sides of arc support (22) inner wall.

5. The anti-collision assembly type steel bridge according to claim 4, wherein: the barrier device (23) is provided with an elastic supporting column (231), an elastic protection cover (232) and a buffer device (233), the elastic supporting column (231) is located at the inner central position of the elastic protection cover (232), the buffer device (233) is arranged between the elastic supporting column (231) and the elastic protection cover (232), the buffer device (233) is hinged to the surface of the elastic supporting column (231), and one end, away from the elastic supporting column (231), of the buffer device is in close contact with the inner wall of the elastic protection cover (232).

6. The anti-collision assembly type steel bridge according to claim 5, wherein: the buffering device (233) is provided with a first supporting piece (2331), a second supporting piece (2332), a roller (2333), an air bag (2334) and an arc-shaped spring (2335), one end of the first supporting piece (2331) and one end of the second supporting piece (2332) are hinged to the surface of the elastic supporting column (231), the roller (2333) is arranged at one end of the first supporting piece (2331) and one end of the second supporting piece (2332) far away from the elastic supporting column (231), the air bag (2334) is arranged between the first supporting piece (2331) and the second supporting piece (2332), and the arc-shaped spring (2335) is fixed between two corresponding sides of the first supporting piece (2331) and the second supporting piece (2332) and is close to the position of the air bag (2334).