CN211113178U

CN211113178U - Overhead bridge with good impact resistance

Info

Publication number: CN211113178U
Application number: CN201921592339.XU
Authority: CN
Inventors: 沈子友; 张达峰; 刘洪�; 吴建兵
Original assignee: Nantong Municipal Engineering Design Institute Co ltd
Current assignee: Nantong Municipal Engineering Design Institute Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-28
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a bridge engineering technical field just discloses an overhead bridge roof beam that protecting against shock nature is good, including the pier, the top fixed mounting of pier has the support, the top fixed mounting of support has the bridge, bituminous paving has been laid at the top of bridge, the top of bridge just is located bituminous paving's the left side and the equal fixed mounting in right side have the guardrail, the equal fixed mounting in opposite side of guardrail has the mount pad, the inner wall bottom fixed mounting of mount pad has the core bar that extends to mount pad inner wall top, the outer wall of core bar has cup jointed the guide cylinder, the outer wall of core bar just is located the top of guide cylinder and the equal fixed mounting in bottom has damping spring. This overhead bridge that protecting against shock nature is good drives the crashproof board through the guide cylinder and centers on the core bar rotation, avoids the connecting rod to take place because of receiving the condition of vertical impact force rupture to this overhead bridge's life has been improved, makes this overhead bridge facilitate promotion.

Description

Overhead bridge with good impact resistance

Technical Field

The utility model relates to a bridge engineering technical field specifically is an overhead bridge that protecting against shock nature is good.

Background

With the continuous development of urban construction, urban planning is of great importance, especially the construction of traffic roads, the traffic pressure is continuously increased in the first-line city and the second-line city, and the construction of urban traffic tends to diversify gradually, so that more and more viaducts are appeared, the viaduct is constructed above the ground or road for vehicles to run, and the viaduct is also an elevated road using bridges to replace embankments, the traffic density can be evacuated and the transportation efficiency can be improved by adopting the viaduct, and the viaduct is adopted for preventing the intersection with other line planes, saving land and reducing subgrade settlement without using embankments on expressways or railways in cities.

The traditional viaduct does not have a buffering function, the automobile running at high speed has great kinetic energy and impact force, the guardrail which can easily break the viaduct falls off from the viaduct when the great impact force hits the guardrail of the viaduct, and the automobile and the pedestrian running normally under the viaduct can cause great traffic casualty accidents, so that the viaduct with good impact resistance is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an overhead bridge that protecting against shock nature is good possesses advantages such as protecting against shock nature is good, has solved traditional overhead bridge and has not buffer function, and the car that traveles at a high speed has very big kinetic energy and impact force, and the guardrail that very easily breaks through overhead bridge when huge impact force hits overhead bridge's guardrail falls on by overhead bridge, has the car and the pedestrian of normally traveling under the overhead bridge, will lead to the problem of the traffic casualties accident of great.

(II) technical scheme

For the purpose that realizes above-mentioned protecting against shock nature is good, the utility model provides a following technical scheme: an overhead bridge with good impact resistance comprises a bridge pier, wherein a support is fixedly mounted at the top of the bridge pier, a bridge is fixedly mounted at the top of the support, an asphalt pavement is paved at the top of the bridge, guardrails are fixedly mounted at the top of the bridge and positioned at the left side and the right side of the asphalt pavement, mounting seats are fixedly mounted at the opposite sides of the guardrails, a core bar extending to the top of the inner wall of the mounting seat is fixedly mounted at the bottom of the inner wall of the mounting seat, a guide cylinder is sleeved on the outer wall of the core bar, damping springs are fixedly mounted at the top and the bottom of the guide cylinder on the outer wall of the core bar, a connecting rod is movably mounted at the outer wall of the guide cylinder, a connecting seat is movably mounted at one end of the connecting rod, which is far away from the connecting rod, an anti-collision plate is fixedly mounted at, the spout has all been seted up to the top and the bottom of mount pad, the inside movable mounting of spout has the slider, slider outer wall fixed mounting has the first kelly that extends to the spout, the equal fixed mounting in top and the bottom of anticollision board has the second kelly, the second kelly passes through connecting plate and first kelly swing joint.

Preferably, the cross section of the mounting seat is M-shaped, the core rod is a metal cylinder, and the inner wall of the guide cylinder is provided with a guide groove corresponding to the core rod.

Preferably, one end, far away from the guide cylinder, of the damping spring is fixedly connected with the mounting seat, and the distance between every two adjacent guide cylinders is smaller than the distance between every two adjacent connecting seats.

Preferably, the sliding groove is a T-shaped groove, the cross section of the sliding block is circular, and the opening direction of the sliding groove is perpendicular to the installation direction of the core rod.

Preferably, the rubber plate is an elastic resistance-increasing rubber plate, and the opposite side of the rubber plate is provided with a wave-shaped groove.

Preferably, the second clamping rods are symmetrically distributed at the top and the bottom of the anti-collision plate, and clamping grooves corresponding to the first clamping rods and the second clamping rods are formed in the top of the connecting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides an overhead bridge that protecting against shock nature is good possesses following beneficial effect:

the overhead bridge with good impact resistance preliminarily slows down the impact force between a high-speed running automobile and the anti-collision plate and increases the friction coefficient of the anti-collision plate through the rubber plate, thereby increasing the friction force and preventing the automobile from flying out due to collision, the rubber plate drives the anti-collision plate to rotate and approach the installation seat, the installation seat drives the guide cylinders to approach each other through the connecting seat and the connecting rod and twists, compresses and stretches the damping spring, so that the power potential energy of the automobile is converted into the elastic potential energy of the damping spring, thereby reducing the impact strength between the automobile and the guardrail, achieving the effect of high-efficiency impact resistance, improving the practicability of the overhead bridge, meanwhile, the anti-collision plate is driven to rotate around the core rod through the guide cylinder, so that the connecting rod is prevented from being broken due to vertical impact force, the service life of the overhead bridge is prolonged, and the overhead bridge is convenient to popularize.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: 1 pier, 2 supports, 3 bridges, 4 asphalt pavements, 5 guardrails, 6 mounting seats, 7 core rods, 8 guide cylinders, 9 damping springs, 10 connecting rods, 11 connecting seats, 12 anti-collision plates, 13 rubber plates, 14 sliding grooves, 15 sliding blocks, 16 first clamping rods, 17 second clamping rods and 18 connecting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an elevated bridge with good impact resistance comprises a bridge pier 1, a support 2 is fixedly installed at the top of the bridge pier 1, a bridge 3 is fixedly installed at the top of the support 2, an asphalt pavement 4 is paved at the top of the bridge 3, guardrails 5 are fixedly installed at the top of the bridge 3 and positioned at the left side and the right side of the asphalt pavement 4, installation bases 6 are fixedly installed at the opposite sides of the guardrails 5, a core rod 7 extending to the top of the inner wall of the installation base 6 is fixedly installed at the bottom of the inner wall of the installation base 6, a guide cylinder 8 is sleeved on the outer wall of the core rod 7, the cross section of the installation base 6 is M-shaped, the core rod 7 is a metal cylinder, a guide groove corresponding to the core rod 7 is formed in the inner wall of the guide cylinder 8, damping springs 9 are fixedly installed at the top and the bottom of the guide cylinder 8 on the outer wall of the core rod 7, a connecting rod 10 is movably installed, one end of the damping spring 9, which is far away from the guide cylinder 8, is fixedly connected with the mounting seat 6, the distance between two adjacent guide cylinders 8 is smaller than the distance between two adjacent connecting seats 11, one end of each connecting seat 11, which is far away from the connecting rod 10, is fixedly provided with an anti-collision plate 12, the opposite side of each anti-collision plate 12 is fixedly provided with a rubber plate 13, each rubber plate 13 is an elastic resistance-increasing rubber plate, the opposite side of each rubber plate 13 is provided with a wavy groove, the top and the bottom of the mounting seat 6 are both provided with a sliding groove 14, a sliding block 15 is movably mounted inside each sliding groove 14, each sliding groove 14 is a T-shaped groove, the cross section of each sliding block 15 is circular, the opening direction of each sliding groove 14 is perpendicular to the mounting direction of the core rod 7, the outer wall of each sliding block 15 is fixedly provided with a first clamping rod 16 extending to each sliding groove 14, the top and the bottom of, the second clamping rods 17 are symmetrically distributed at the top and the bottom of the anti-collision plate 12, the top of the connecting plate 18 is provided with clamping grooves corresponding to the first clamping rods 16 and the second clamping rods 17, the rubber plate 13 preliminarily slows down the collision force between the high-speed running automobile and the anti-collision plate 12 and increases the friction coefficient of the anti-collision plate 12 so as to increase the friction force and prevent the automobile from flying out due to collision, the rubber plate 13 drives the anti-collision plate 12 to rotate and approach the mounting seat 6, the mounting seat 6 drives the guide cylinders 8 to mutually approach and twist, compress and stretch the damping springs 9 through the connecting seats 11 and the connecting rods 10 so that the power of the automobile is converted into the elastic potential energy of the damping springs 9, thereby slowing down the collision strength between the automobile and the guardrail 5 and achieving the effect of high-efficiency anti-collision, thereby improving the practicability of the overhead bridge, and simultaneously, the anti-collision plate 12 is driven to rotate around the core rod 7 through the guide cylinders 8, the occurrence of the situation that the connecting rod 10 is broken due to the vertical impact force is avoided, so that the service life of the viaduct is prolonged, and the viaduct is convenient to popularize.

To sum up, the overhead bridge with good impact resistance primarily slows down the impact force between a high-speed running automobile and the anti-collision plate 12 through the rubber plate 13 and increases the friction coefficient of the anti-collision plate 12, thereby increasing the friction force and preventing the automobile from flying out due to impact, the anti-collision plate 12 is driven to rotate and approach the mounting seat 6 through the rubber plate 13, the mounting seat 6 drives the guide cylinders 8 to mutually approach and twist, compress and stretch the damping springs 9 through the connecting seats 11 and the connecting rods 10, so that the dynamic potential energy of the automobile is converted into the elastic potential energy of the damping springs 9, thereby slowing down the impact strength between the automobile and the guardrail 5, achieving the effect of high-efficiency impact resistance, thereby improving the practicability of the overhead bridge, meanwhile, the anti-collision plate 12 is driven to rotate around the core rod 7 through the guide cylinders 8, avoiding the occurrence of the situation that the connecting rods 10 are broken due to vertical impact force, thereby prolonging the service life of the overhead bridge, the viaduct beam is convenient to popularize, the problem that the traditional viaduct beam does not have a buffering function, a car running at high speed has great kinetic energy and impact force, the guardrail 5 which is very easy to break through the viaduct beam when the huge impact force hits the guardrail 5 of the viaduct beam falls from the viaduct beam, and the problem that the car and the pedestrian running normally exist under the viaduct beam, so that a serious traffic casualty accident is caused is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 overhead bridge that protecting against shock nature is good, includes pier (1), its characterized in that: the bridge is characterized in that a support (2) is fixedly mounted at the top of the bridge pier (1), a bridge (3) is fixedly mounted at the top of the support (2), a bituminous pavement (4) is laid at the top of the bridge (3), a guardrail (5) is fixedly mounted at the top of the bridge (3) and on the left side and the right side of the bituminous pavement (4), a mounting seat (6) is fixedly mounted at the opposite side of the guardrail (5), a core rod (7) extending to the top of the inner wall of the mounting seat (6) is fixedly mounted at the bottom of the inner wall of the mounting seat (6), a guide cylinder (8) is sleeved on the outer wall of the core rod (7), a damping spring (9) is fixedly mounted at the top and the bottom of the guide cylinder (8) on the outer wall of the core rod (7), a connecting rod (10) is movably mounted at the outer wall of the guide cylinder (8), and a connecting seat (11) is movably, one end fixed mounting that connecting rod (10) was kept away from in connecting seat (11) has crash pad (12), the opposite side fixed mounting of crash pad (12) has rubber slab (13), spout (14) have all been seted up to the top and the bottom of mount pad (6), the inside movable mounting of spout (14) has slider (15), slider (15) outer wall fixed mounting has first kelly (16) that extend to spout (14), the equal fixed mounting in top and the bottom of crash pad (12) has second kelly (17), second kelly (17) are through connecting plate (18) and first kelly (16) swing joint.

2. The elevated bridge with good impact resistance according to claim 1, characterized in that: the cross section of the mounting seat (6) is M-shaped, the core rod (7) is a metal cylinder, and the inner wall of the guide cylinder (8) is provided with a guide groove corresponding to the core rod (7).

3. The elevated bridge with good impact resistance according to claim 1, characterized in that: one end, far away from the guide cylinder (8), of the damping spring (9) is fixedly connected with the mounting seat (6), and the distance between every two adjacent guide cylinders (8) is smaller than the distance between every two adjacent connecting seats (11).

4. The elevated bridge with good impact resistance according to claim 1, characterized in that: the sliding groove (14) is a T-shaped groove, the cross section of the sliding block (15) is circular, and the opening direction of the sliding groove (14) is perpendicular to the installation direction of the core rod (7).

5. The elevated bridge with good impact resistance according to claim 1, characterized in that: the rubber plate (13) is an elastic resistance-increasing rubber plate, and the opposite side of the rubber plate (13) is provided with a wave-shaped groove.

6. The elevated bridge with good impact resistance according to claim 1, characterized in that: the second clamping rods (17) are symmetrically distributed at the top and the bottom of the anti-collision plate (12), and clamping grooves corresponding to the first clamping rods (16) and the second clamping rods (17) are formed in the top of the connecting plate (18).