CN110387807B

CN110387807B - Bridge structure suitable for uneven settlement of pier

Info

Publication number: CN110387807B
Application number: CN201910723310.9A
Authority: CN
Inventors: 从定智
Original assignee: First Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-11-17
Anticipated expiration: 2039-08-06
Also published as: CN110387807A

Abstract

The invention provides a bridge structure suitable for uneven settlement of piers, and relates to the technical field of bridges. This bridge construction suitable for pier differential settlement, including the pier, the top fixedly connected with support column of pier, the top fixedly connected with bridge of support column, fixedly connected with connecting device between the bridge, the top laminating of bridge has soft base face, the bridge deck pavement has been laid on the top of soft base face, the front end fixedly connected with early warning device of bridge junction. This bridge construction suitable for pier uneven settlement has reduced bridge settlement when inhomogeneous sunken with outstanding degree with the bridge junction, has improved the comfort level of bridge floor driving, and when the bridge warp to a certain extent because of subsiding inhomogeneously, can switch on the warning light, reminds maintainer in time to maintain, has avoided the bridge to appear the phenomenon of collapsing because of subsiding inhomogeneously seriously.

Description

Bridge structure suitable for uneven settlement of pier

Technical Field

The invention relates to the technical field of bridges, in particular to a bridge structure suitable for uneven settlement of piers.

Background

The continuous bridge superstructure is a common structural form of a bridge, but when the geological conditions of adjacent piers are different greatly or different foundation forms are adopted for some special reasons, the uneven settlement of the bridge foundation can be caused, the uneven settlement is very unfavorable for the stress of the bridge structure, and the bridge deck is easy to break.

And current bridge construction is in order to satisfy the bridge floor deformation requirement, adopt the bridge expansion joint to adjust displacement and connection between the superstructure that arouses by vehicle load and bridge building material usually, but its driving comfort is poor, construction process is complicated, some bridge construction utilize soft base face to cover in bridge expansion joint top, although can improve certain driving comfort, still can have low-lying and bellied place, and when the inhomogeneous settlement of pier is to certain degree, can lead to the bridge atress inequality and the danger that appears collapsing, consequently just need carry out real-time detection to the inhomogeneous settlement of bridge.

Disclosure of Invention

The bridge structure suitable for the uneven settlement of the piers has the advantages that the sinking and protruding degree of the bridge joints when the bridge settlement is uneven is reduced, the comfort level of bridge deck driving is improved, the warning lamps can be electrified when the bridge deforms to a certain degree due to the uneven settlement, maintenance personnel are reminded to maintain in time, and the phenomenon that the bridge collapses due to the uneven settlement is avoided.

In order to achieve the purpose, the invention is realized by the following technical scheme: a bridge structure suitable for uneven settlement of piers comprises piers, support columns, bridges, connecting devices, soft base planes, bridge deck pavement and early warning devices.

Wherein, connecting device is including breach, backup pad, connecting axle, elevator, connecting seat, bull stick, articulated seat.

The early warning device comprises a sleeve, a sliding shaft, a touch panel, a metal plate, a wire, a power supply and a warning lamp.

Wherein:

the top fixedly connected with support column of pier, the top fixedly connected with bridge of support column, fixedly connected with connecting device between the bridge, the top laminating of bridge has soft base face, the bridge deck pavement has been laid on the top of soft base face, the front end fixedly connected with early warning device of bridge junction.

Preferably, the top of the adjacent end of bridge is seted up jaggedly, the inside of breach is provided with the backup pad, the bottom fixed mounting of backup pad has the connecting axle, the bottom fixed mounting of connecting axle has the elevator, the both ends of elevator are rotated through the connecting seat and are connected with the bull stick, the other end of bull stick rotates the bottom of connecting at the bridge, fixed mounting has articulated seat between the bridge, and when the bridge sinks downwards through the connection of articulated seat, the bull stick that both sides were rotated and are connected can drive the elevator rebound, and when the bridge upwards was protruding through the connection of articulated seat, the bull stick that both sides were rotated and are connected can drive the elevator and move downwards.

Preferably, the left side the front end of bridge is rotated and is connected with the sleeve, the right side the front end of bridge is rotated and is connected with the slide axle, the left end fixed mounting of slide axle has the touch panel, touch panel sliding connection is in the sleeve, the inner wall fixed mounting on sleeve top has the metal sheet, the metal sheet passes through wire fixedly connected with power, the power passes through wire fixedly connected with warning light, and when the junction of bridge is sunken or is protruding because of subsiding inhomogeneously, can make the slide axle drive the touch panel and remove about in the sleeve.

Preferably, the bridge rotates through articulated seat to be connected, articulated seat is connected for the alternating expression with the connecting axle between the bridge for the junction of bridge can rotate around articulated seat.

Preferably, the touch panel is the conductor, and is connected with the warning light through the wire, the metal sheet is located the both sides at sleeve top, all is connected with the power through the wire, when the touch panel removed to the metal sheet contact with the left and right sides, the homoenergetic realized the circular telegram of power to the warning light.

The invention provides a bridge structure suitable for uneven settlement of piers. The method has the following beneficial effects:

1. this bridge construction suitable for inhomogeneous settlement of pier through connecting device's design, when the junction of bridge appears subsiding downwards and upwards outstanding because of subsiding inhomogeneously, connects and the effect of bull stick through the rotation of bridge, can make the backup pad with bridge floor jack-up or sink to reduce the sunken and outstanding degree of bridge junction, thereby improved the comfort level that the bridge floor was driven a vehicle.

2. This bridge construction suitable for pier uneven settlement, through early warning device's design, when the junction of bridge sinks or swells to the certain degree because of subsiding inhomogeneously, the touch panel can contact with sleeve right side and left metal sheet respectively, and the homoenergetic realizes that the power charges to the warning light to remind maintainer this department bridge to subside and warp seriously, need in time maintain, avoided the bridge because of subsiding inhomogeneous serious phenomenon that appears collapsing.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is a schematic diagram of the front end of the present invention;

FIG. 3 is a schematic view of the structure of the present invention when it is recessed downward;

FIG. 4 is a schematic view of the connection structure of the support plates according to the present invention;

fig. 5 is a schematic structural diagram of the warning device of the present invention.

In the figure: 1 pier, 2 support columns, 3 bridges, 4 connecting devices, 41 gaps, 42 support plates, 43 connecting shafts, 44 lifting blocks, 45 connecting seats, 46 rotating rods, 47 hinged seats, 5 soft base planes, 6 bridge deck pavements, 7 early warning devices, 71 sleeves, 72 sliding shafts, 73 touch plates, 74 metal plates, 75 conducting wires, 76 power supplies and 77 warning lamps.

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 embodiment of the bridge structure suitable for uneven settlement of the bridge pier is as follows:

referring to fig. 1-5, a bridge structure suitable for uneven settlement of piers includes piers 1, support pillars 2, bridges 3, connecting devices 4, soft base surfaces 5, deck pavement 6, and early warning devices 7.

Wherein, the connecting device 4 comprises a gap 41, a supporting plate 42, a connecting shaft 43, a lifting block 44, a connecting seat 45, a rotating rod 46 and a hinged seat 47.

The early warning device 7 includes a sleeve 71, a sliding shaft 72, a touch plate 73, a metal plate 74, a wire 75, a power supply 76, and a warning light 77.

Wherein:

the top end of the pier 1 is fixedly connected with a support column 2, the top end of the support column 2 is fixedly connected with a bridge 3, a connecting device 4 is fixedly connected between the bridges 3, the top of the adjacent end of the bridge 3 is provided with a notch 41, a support plate 42 is arranged inside the notch 41, the bottom end of the support plate 42 is fixedly provided with a connecting shaft 43, the bottom end of the connecting shaft 43 is fixedly provided with a lifting block 44, two ends of the lifting block 44 are rotatably connected with a rotating rod 46 through a connecting seat 45, the other end of the rotating rod 46 is rotatably connected with the bottom of the bridge 3, a hinged seat 47 is fixedly arranged between the bridges 3, the bridges 3 are rotatably connected through the hinged seat 47, the hinged seat 47 and the connecting shaft 43 are connected in a staggered manner between the bridges 3, so that the connecting part of the bridges 3 can rotate around the hinged seat 47, when the bridges 3 sink downwards through the connection of the hinged, and when the bridge 3 upwards extrudes through the connection of articulated seat 47, the bull stick 46 that both sides were rotated and are connected can drive elevator 44 and move down, the top laminating of bridge 3 has soft basal plane 5, the bridge deck pavement 6 has been laid on the top of soft basal plane 5, through the design of connecting device 4, when the junction of bridge 3 appears subsiding downwards and upwards outstanding because of subsiding unevenly, the effect of connecting and bull stick 46 is connected in the rotation through bridge 3, can make backup pad 42 jack-up the bridge floor or sink, thereby the sunken and outstanding degree in bridge 3 junction has been reduced, thereby the comfort level of bridge floor driving has been improved.

The front end of the joint of the bridge 3 is fixedly connected with an early warning device 7, the front end of the left bridge 3 is rotatably connected with a sleeve 71, the front end of the right bridge 3 is rotatably connected with a sliding shaft 72, the left end of the sliding shaft 72 is fixedly provided with a touch panel 73, the touch panel 73 is a conductor and is connected with a warning lamp 77 through a lead 75, the metal panels 74 are positioned at two sides of the top of the sleeve 71 and are connected with a power supply 76 through leads 75, when the touch panel 73 moves to be in contact with the metal panels 74 at the left side and the right side, the power supply 76 can be electrified to the warning lamp 77, the touch panel 73 is slidably connected in the sleeve 71, the metal panel 74 is fixedly arranged on the inner wall of the top of the sleeve 71, the metal panel 74 is fixedly connected with the power supply 76 through the lead 75, the power supply 76 is fixedly connected with the warning lamp 77 through the lead 75, when the joint of the bridge 3 sinks or protrudes due to, through the design of early warning device 7, when the junction of bridge 3 sinks or protrudes to a certain extent because of subsiding inhomogeneously, touch panel 73 can contact with sleeve 71 right side and left metal sheet 74 respectively, and the homoenergetic realizes that power 76 charges to warning light 77 to remind maintainer this bridge 3 to subside the deformation seriously, need in time maintain, avoided bridge 3 because of subsiding inhomogeneously serious the phenomenon that appears collapsing.

When in use, when the settlement of the pier 1 is more obvious than that of the adjacent pier 1, the top bridge 3 is sunk downwards through the connection of the hinged seat 47, so the distance between the bottoms of the two side bridges 3 is lengthened, and the rotating rod 46 rotatably connected through the two sides of the bottom can drive the lifting block 44 to move upwards, so that the connecting shaft 43 jacks up the support plate 42, the soft base 5 and the bridge deck 6 at the low-lying position are jacked upwards, the sinking degree is reduced, the traveling is more comfortable, and when the settlement of the adjacent pier 1 is more obvious than that of the pier 1, the bridge 3 is jacked up, so the distance between the bottoms of the two side bridges 3 is shortened, the rotating rod 46 at the bottom is folded, so that the lifting block 44 drives the connecting shaft 43 and the support plate 42 to move downwards, the bulging degree is reduced, and in the process that the connection position of the bridge 3 sinks downwards and protrudes upwards, through the sleeve 71 and the sliding shaft 72 that connect are rotated to the bridge 3 front end of both sides, can make touch panel 73 carry out the horizontal slip in sleeve 71, when this bridge 3 sinks to a certain extent downwards, touch panel 73 can be connected with the metal sheet 74 on sleeve 71 right side, thereby the circular telegram of power 76 to warning light 77 has been realized, and similarly, when bridge 3 upwards is outstanding to a certain extent, touch panel 73 can be connected with the left metal sheet 74 of sleeve 71, also can be to the circular telegram of warning light 77, thereby remind maintainer this bridge 3 to subside the deformation seriously, need in time maintain, avoided bridge 3 because of subsiding inhomogeneous serious phenomenon that appears collapsing.

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 a bridge structures suitable for pier differential settlement, includes pier (1), its characterized in that: the bridge pier is characterized in that supporting columns (2) are fixedly connected to the top ends of the bridge piers (1), bridges (3) are fixedly connected to the top ends of the supporting columns (2), connecting devices (4) are fixedly connected between the bridges (3), soft base surfaces (5) are attached to the top ends of the bridges (3), bridge deck pavement (6) is laid on the top ends of the soft base surfaces (5), and early warning devices (7) are fixedly connected to the front ends of the joints of the bridges (3);

the connecting device (4) comprises a notch (41), a supporting plate (42), a connecting shaft (43), a lifting block (44), a connecting seat (45), a rotating rod (46) and a hinging seat (47), the notch (41) is formed in the top of the adjacent end of the bridge (3), the supporting plate (42) is arranged inside the notch (41), the connecting shaft (43) is fixedly installed at the bottom end of the supporting plate (42), the lifting block (44) is fixedly installed at the bottom end of the connecting shaft (43), the rotating rod (46) is rotatably connected to two ends of the lifting block (44) through the connecting seat (45), the other end of the rotating rod (46) is rotatably connected to the bottom of the bridge (3), and the hinging seat (47) is fixedly installed between the bridges (3);

the early warning device (7) comprises a sleeve (71), a sliding shaft (72), a contact plate (73), a metal plate (74), a wire (75), a power supply (76) and a warning lamp (77), wherein the sleeve (71) is rotatably connected to the front end of the bridge (3) on the left side, the sliding shaft (72) is rotatably connected to the front end of the bridge (3) on the right side, the contact plate (73) is fixedly installed at the left end of the sliding shaft (72), the contact plate (73) is slidably connected in the sleeve (71), the metal plate (74) is fixedly installed on the inner wall of the top end of the sleeve (71), the metal plate (74) is fixedly connected with the power supply (76) through the wire (75), and the warning lamp (77) is fixedly connected to the power supply (76) through the wire (75);

bridge (3) are connected through articulated seat (47) rotation, articulated seat (47) are connected for the alternating expression with connecting axle (43) between bridge (3).

2. The bridge structure suitable for the uneven settlement of piers according to claim 1, wherein: the touch plate (73) is a conductor and is connected with the warning lamp (77) through a lead (75), and the metal plates (74) are positioned on two sides of the top of the sleeve (71) and are connected with the power supply (76) through the lead (75).