CN113356044A

CN113356044A - Novel bridge is with buffering steel construction

Info

Publication number: CN113356044A
Application number: CN202110555571.1A
Authority: CN
Inventors: 董文涛
Original assignee: Xuzhou Tenglu Heavy Industry Technology Co Ltd
Current assignee: Xuzhou Tenglu Heavy Industry Technology Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-09-07
Anticipated expiration: 2041-05-21
Also published as: CN113356044B

Abstract

The invention relates to the technical field related to bridge steel structures, and discloses a novel buffering steel structure for a bridge, which comprises a disc base equidistantly installed on a foundation, wherein the disc base is fixedly connected with the foundation through expansion screws, the disc base is a combined disc base, a vertical hollow column is arranged on the disc base, one end of the bottom of the vertical hollow column extends to an inner cavity of the corresponding disc base and is fixedly connected with a limiting disc, friction plates in contact with the inner side wall of the disc base are installed on the upper disc surface and the lower disc surface of the limiting disc, a positioning seat is installed at the bottom of the inner cavity of the vertical hollow column, and a strong torsion spring is arranged between the positioning seat and the bottom of the inner side of the corresponding disc base. This novel buffering steel construction for bridge, the steel construction that is different from traditional influence blocks the mode, touches the impact that produces to the vehicle and carries out restorability buffering, avoids the production of bridge buffering steel construction unrecoverable deformation, increases the security that bridge buffer structure set up.

Description

Novel bridge is with buffering steel construction

Technical Field

The invention relates to the technical field related to bridge steel structures, in particular to a novel buffer steel structure for a bridge.

Background

With the rapid development of the transportation industry of China railways, steel structure bridges of electrified railways and high-speed passenger dedicated lines are greatly increased. The main bearing structure of the steel-structured bridge adopts a steel-structured bridge, the beam and the legs or the pier (platform) body form rigid connection, and the structural form can be divided into a portal steel-structured bridge, an inclined-leg steel-structured bridge, a T-shaped steel-structured bridge and a continuous steel-structured bridge.

The steel structure bridge is generally provided with a steel structure protective guard for protecting the safety of vehicles running on the bridge, in the prior art, a rigid steel structure is generally adopted as the protective guard to stop the deviation running falling of the vehicles, when the rigid steel structure is impacted by the deviation vehicles, the impact force enables the steel structure to generate unrecoverable deformation and is used for buffering the impact force of the vehicles, the vehicles are prevented from falling from the bridge to a certain extent, but the vehicles impact the rigid steel structure and can also generate larger impact deformation, so that the vehicles and passengers are easily damaged, and therefore the inventor designs a buffering steel structure for the credit bridge and solves the technical problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel buffer steel structure for a bridge, and solves the problem that the buffer steel structure for the bridge cannot effectively buffer the deviation impact of a vehicle.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel buffering steel construction for bridge, includes that the equidistance installs the disc base on the ground, the disc base passes through inflation screw and ground fixed connection, and the disc base is combination formula disc seat, is provided with the hollow column perpendicularly on the disc base, and the bottom one end of the hollow column perpendicularly extends to the inner chamber and the spacing disc of fixedly connected with of corresponding disc base, and the friction disc that contacts with disc base inside wall is all installed to the upper and lower quotation of spacing disc, and the positioning seat is installed to the inner chamber bottom of the hollow column perpendicularly, and the form has powerful torsional spring between the inboard bottom of positioning seat and corresponding disc base.

The disc base is characterized in that through holes are formed in the vertical hollow column at equal intervals, linking rods are inserted into the inner sides of the through holes, inner side transverse baffle plates and outer side transverse baffle plates are arranged on the front side and the rear side of the disc base respectively, and two ends of each linking rod are connected with the inner side transverse baffle plates and the outer side transverse baffle plates respectively.

Preferably, the inner side transverse baffle plate and the outer side transverse baffle plate are arranged in parallel, and two ends of the connecting rod are perpendicular to the inner side transverse baffle plate and the outer side transverse baffle plate.

Preferably, the matching relationship between the connecting rods and the inner side walls of the corresponding through holes is transition matching, and the adjacent connecting rods are arranged in parallel.

Preferably, the disc base is embedded and installed on the foundation, and the top surface of the disc base is flush with the surface of the foundation.

Preferably, the thickness of the limiting disc is smaller than the thickness of the inner side of the disc base, and the maximum outer diameter of the limiting disc is larger than the outer diameter of the vertical hollow column and smaller than the maximum outer diameter of the inner side of the disc base, so that the limiting disc can stably rotate and rub in the disc base.

Preferably, the installation center line of the powerful torsion spring is coincident with the center lines of the corresponding disc base and the vertical hollow column, so that the stability of external stress conduction between the structures is guaranteed.

Preferably, rectangular hollow-out grooves are formed in the surfaces of the inner side transverse baffle plate and the outer side transverse baffle plate, so that the input cost of the bridge steel structure is reduced.

Preferably, the friction disc adopts the wear-resisting sheetmetal that roughness is big, and the regional surface that disc base inside wall and friction disc contacted is the wear-resisting region that roughness is big, increases vertical hollow post pivoted frictional resistance when receiving external force, effectively avoids the elastic recovery after powerful torsional spring elastic deformation simultaneously, avoids the secondary damage that bridge steel constructs the elastic recovery.

(III) advantageous effects

The invention provides a novel buffer steel structure for a bridge. The method has the following beneficial effects:

(1) this novel buffering steel construction for bridge, through setting up perpendicular hollow post, torque spring and joint pole mutually support, inboard horizontal breast board on the bridge steel structure is when being partial to the vehicle striking of traveling, after being partial to the vehicle side direction striking inboard horizontal breast board of traveling, inboard horizontal breast board receives the side direction extrusion force, inboard horizontal breast board transmits its extrusion force that receives for perpendicular hollow post through the joint pole, and perpendicular hollow post receives the stress and the wrench movement of joint pole conduction, make powerful torsional spring atress deformation, effectual impact force to the striking vehicle cushions, the steel construction that is different from traditional influence blocks the mode, the impact force that touches the production to the vehicle carries out restorability buffering, avoid the production of bridge buffering steel construction non-restorable deformation, increase the security that bridge buffer structure set up.

(2) This novel buffering steel construction is used to bridge, through setting up spacing disc, friction disc and disc base mutually support, when the bridge received vehicle side direction striking, the perpendicular hollow post received the stress of linking pole conduction and wrench movement, make spacing disc pass through the inboard mutual friction of friction disc and disc base, frictional force between the two cushions vehicle impact to a certain extent, powerful torsional spring is after deformation simultaneously, the elastic recovery of powerful torsional spring is effectively avoided in the reverse friction between friction disc and the disc base, avoid the secondary damage that the vehicle striking touched, thereby guarantee the vehicle is partial to the safety of touching between the bridge steel structure in advance.

(3) This novel buffering steel construction is used to bridge, through setting up the joint pole, the horizontal breast board in inboard and the horizontal breast board in the outside mutually support, when bridge steel construction and partial vehicle collision, the horizontal breast board in inboard transmits the impact to perpendicular hollow post and the horizontal breast board in the outside through the joint pole, the joint pole slides in perpendicular hollow post through dare's perforation, the horizontal breast board in inboard is outwards outstanding, the effectual impact that receives inboard horizontal breast board carries out diversified power of unloading, guarantee bridge buffering steel construction between complex stability.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: the device comprises a disc base 1, an expansion screw 2, a vertical hollow column 3, a limiting disc 4, a friction plate 5, a positioning seat 6, a strong torsion spring 7, a through hole 8, a connecting rod 9, a transverse breast board on the inner side 10 and a transverse breast board on the outer side 11.

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.

As shown in fig. 1-3, the present invention provides a technical solution: a novel buffer steel structure for a bridge comprises a disc base 1 which is equidistantly installed on a foundation, the disc base 1 is installed on the foundation in an embedded mode, the top surface of the disc base 1 is flush with the surface of the foundation, the disc base 1 is fixedly connected with the foundation through expansion screws 2, the disc base 1 is a combined disc seat, a vertical hollow column 3 is arranged on the disc base 1, one end of the bottom of the vertical hollow column 3 extends to the inner cavity of the corresponding disc base 1 and is fixedly connected with a limiting disc 4, the vertical hollow column 3 penetrates through the disc base 1 and is in clearance fit, friction plates 5 which are in contact with the inner side wall of the disc base 1 are installed on the upper disc surface and the lower disc surface of the limiting disc 4, the friction plates 5 are made of wear-resistant metal sheets with large surface roughness, and the surface of an area, in which the inner side wall of the disc base 1 is in contact with the friction plates 5, is a wear-resistant area with large roughness, increase perpendicular hollow post 3 pivoted frictional resistance when receiving external force, effectively avoid the elastic recovery after 7 elastic deformation of powerful torsional spring simultaneously, avoid the secondary damage of bridge steel structure elastic recovery, the thickness of spacing disc 4 is less than the inboard thickness of disc base 1, the biggest external diameter of spacing disc 4 is greater than the external diameter of perpendicular hollow post 3 and is less than the inboard biggest external diameter of disc base 1, positioning seat 6 is installed to the inner chamber bottom of perpendicular hollow post 3, form between positioning seat 6 and the inboard bottom of corresponding disc base 1 has powerful torsional spring 7, the installation central line of powerful torsional spring 7 coincides mutually with the central line of corresponding disc base 1 and perpendicular hollow post 3, guarantee the stability of external stress conduction between the structure.

Through hole 8 has been seted up equidistantly on perpendicular hollow post 3, the inboard of through hole 8 has all been alternate and has been had linking pole 9, the cooperation relation between linking pole 9 and the corresponding through hole 8 inside wall is transition fit, be parallel arrangement each other between the adjacent linking pole 9, disc base 1's front and back side is provided with the horizontal breast board 10 in inboard and the horizontal breast board 11 in the outside respectively, the both ends of linking pole 9 are connected with the horizontal breast board 10 in inboard and the horizontal breast board 11 in the outside respectively, the horizontal breast board 10 in inboard and the horizontal breast board 11 in the outside parallel arrangement each other, the both ends of linking pole 9 all set up with the horizontal breast board 10 in inboard and the horizontal breast board 11 in the outside is perpendicular, rectangle fretwork groove has been seted up on the surface of the horizontal breast board 10 in inboard and the horizontal breast board 11 in the outside, reduce the input cost that the bridge steel construction constitutes.

In conclusion, when the inner lateral barrier plate 10 on the bridge steel structure is impacted by a deviated running vehicle, after the deviated running vehicle laterally impacts the inner lateral barrier plate 10, the inner lateral barrier plate 10 receives lateral extrusion force, the inner lateral barrier plate 10 transmits the received extrusion force to the vertical hollow column 3 through the connecting rod 9, the vertical hollow column 3 is twisted by stress conducted by the connecting rod 9, the powerful torsion spring 7 is stressed and deformed, the limiting disc 4 and the inner side of the disc base 1 are subjected to mutual friction action through the friction plate 5, the friction force between the two buffers the vehicle impact force to a certain extent, and meanwhile, after the powerful torsion spring 7 is deformed, the reverse friction between the friction plate 5 and the disc base 1 effectively avoids elastic recovery of the powerful torsion spring 7, and secondary damage caused by vehicle impact is avoided.

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 a reference structure" 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 a novel buffering steel construction for bridge, includes that the equidistance installs the disc base on the ground, its characterized in that: the disc base is fixedly connected with the foundation through an expansion screw, the disc base is a combined disc base, a vertical hollow column is arranged on the disc base, one end of the bottom of the vertical hollow column extends to the inner cavity of the corresponding disc base and is fixedly connected with a limiting disc, friction plates which are contacted with the inner side wall of the disc base are arranged on the upper disc surface and the lower disc surface of the limiting disc, a positioning seat is arranged at the bottom of the inner cavity of the vertical hollow column, and a strong torsion spring is arranged between the positioning seat and the bottom of the inner side of the corresponding disc base;

2. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the inner side transverse baffle plate and the outer side transverse baffle plate are arranged in parallel, and two ends of the connecting rod are perpendicular to the inner side transverse baffle plate and the outer side transverse baffle plate.

3. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the matching relation between the connecting rods and the inner side walls of the corresponding through holes is transition matching, and the adjacent connecting rods are arranged in parallel.

4. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the disc base is embedded and installed on the foundation, and the top surface of the disc base is flush with the surface of the foundation.

5. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the thickness of the limiting disc is smaller than the thickness of the inner side of the disc base, and the maximum outer diameter of the limiting disc is larger than the outer diameter of the vertical hollow column and smaller than the maximum outer diameter of the inner side of the disc base.

6. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the installation center line of the powerful torsion spring is coincident with the center lines of the corresponding disc base and the vertical hollow column.

7. The novel buffer steel structure for the bridge according to claim 1, characterized in that: rectangular hollow grooves are formed in the surfaces of the inner side transverse baffle plate and the outer side transverse baffle plate.

8. The novel buffer steel structure for the bridge according to claim 1, characterized in that: the friction plate is made of wear-resistant metal sheets with large surface roughness, and the surface of an area where the inner side wall of the disc base is in contact with the friction plate is a wear-resistant area with large roughness.