CN216640228U

CN216640228U - Combined structural beam

Info

Publication number: CN216640228U
Application number: CN202122860465.2U
Authority: CN
Inventors: 张静晓; 李慧; 韩丽娟; 韩馨; 陈建秀; 宋方华
Original assignee: Zhengping Road And Bridge Construction Co ltd; Changan University
Current assignee: Zhengping Road And Bridge Construction Co ltd; Changan University
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-31
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a combined type structural beam which comprises a box type beam and a plurality of corrugated plates uniformly distributed in the box type beam, wherein the box type beam comprises an upper sealing plate, a lower sealing plate and two steel beams arranged between the upper sealing plate and the lower sealing plate, the two transverse ends of each corrugated plate are respectively connected with the two steel beams, a plurality of groups of clamping units arranged along the length direction of the steel beams are arranged on the upper sealing plate and the lower sealing plate, and each group of clamping units comprises a plurality of clamping pieces used for clamping one longitudinal end of each corrugated plate. According to the combined type structure beam, the box-type beam is matched with the corrugated plates to form the combined type structure beam, the bearing capacity of the structure beam is improved, the anti-overturning capacity of the structure beam is also improved, a plurality of groups of clamping units are arranged, each group of clamping units is used for clamping one corrugated plate, the plurality of corrugated plates are fixed along the length direction of the steel beam, the structural rigidity of the box-type beam is enhanced, the integral stability of a bridge is improved, and the combined type structure beam is high in practicability.

Description

Combined structural beam

Technical Field

The utility model belongs to the technical field of bridges, and particularly relates to a combined type structural beam.

Background

With the rapid development of traffic facility construction in China, many highway and bridge construction projects in various large cities are provided, wherein the middle-small span steel-concrete composite bridges are mainly of multi-girder composite structures, the multi-girder composite structures are complex in structure, the structural welding and coating amount is large, the subsequent maintenance cost is high, in order to improve the bearing capacity and the anti-overturning capacity of the bridges, I-shaped steel beams with corrugated plates as webs are adopted, and the corrugated steel web I-shaped beams effectively reduce the thickness of the steel beam webs and the complexity of the bridge structures by utilizing the excellent anti-shearing bearing capacity and the excellent anti-shearing stability of the corrugated steel webs.

However, the thickness of the commercially available corrugated steel plate is relatively thin, if full-length welding is adopted for connection with the steel beam, the stress strength at the welding seam is relatively weak, so that the corrugated steel plate is low in bearing capacity and easy to damage; in addition, only the web of the i-shaped steel beam is replaced by the corrugated steel plate, so that the improvement of the overall anti-overturning capacity of the bridge is limited, and therefore, a combined structural beam which is free of welding between the steel beam and the corrugated steel plate and high in anti-overturning capacity is urgently needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a combined structural beam aiming at the defects in the prior art, the combined structural beam is simple in structure and reasonable in design, the combined structural beam is formed by matching a box-type beam with corrugated plates, the bearing capacity of the structural beam is improved, the anti-overturning capacity of the structural beam is also improved, a plurality of groups of clamping units are arranged, each group of clamping units is used for clamping one corrugated plate, a plurality of corrugated plates are fixed along the length direction of a steel beam, the structural rigidity of the box-type beam is enhanced, the integral stability of the bridge is improved, and the combined structural beam is strong in practicability.

In order to solve the technical problems, the utility model adopts the technical scheme that: a modular construction beam which characterized in that: including box roof beam and a plurality of equipartition be in the inside buckled plate of box roof beam, the box roof beam includes the shrouding, down the shrouding and two settings are in go up the shrouding with girder steel between the shrouding down, the horizontal both ends of buckled plate respectively with two the girder steel is connected, go up the shrouding with all be provided with the multiunit edge on the shrouding down the centre gripping unit that girder steel length direction laid, every group the centre gripping unit all includes a plurality of centre grippings that are used for the centre gripping the holder of the vertical one end of buckled plate.

The combined structural beam is characterized in that: the transverse two ends of the corrugated plate are respectively provided with a connecting plate, the web plate of the steel beam is provided with a stiffening plate, and the connecting plates are connected with the stiffening plates through first bolts.

The combined structural beam is characterized in that: the holder includes the U template and sets up convex part on the inside wall of U template both sides, the second bolt that is used for being connected with last shrouding and lower shrouding is worn to be equipped with in the bottom of U template, just the U template can the second bolt is the rotation of axes, two the clamp holds the buckled plate between the convex part.

The combined structural beam is characterized in that: and a groove matched with the second bolt is formed at the bottom of the U-shaped plate.

Compared with the prior art, the utility model has the following advantages:

1. the combined structural beam is simple in structure and convenient and fast to construct, the box-type beam is arranged, and the plurality of corrugated plates which are uniformly distributed are arranged in the box-type beam to form the combined structural beam, so that the bearing capacity of the structural beam is improved, and the anti-overturning capacity and the anti-shearing bearing capacity of the structural beam are improved, thereby being beneficial to improving the overall stability of the bridge and being convenient to popularize and use.

2. According to the utility model, the upper sealing plate and the lower sealing plate are respectively provided with the plurality of groups of clamping units, so that each group of clamping units can be conveniently used for clamping one corrugated plate, a plurality of corrugated plates are fixed between the upper sealing plate and the lower sealing plate and are uniformly distributed along the length direction of the steel beam, the structural rigidity of the box-type beam is favorably improved, and the longitudinal direction of each corrugated plate is the main stress direction, so that the structural stability of the box-type beam is enhanced; simultaneously, through first bolted connection buckled plate and girder steel, avoided adopting the welding between buckled plate and last shrouding, lower shrouding and girder steel, effectively guaranteed the structural rigidity of buckled plate, the practicality is strong.

3. According to the corrugated plate clamping device, the clamping piece is arranged, the clamping piece is connected with the upper sealing plate and the lower sealing plate through the second bolt, the clamping piece can rotate around the second bolt, the clamping piece can be rotated conveniently according to the bending degree of the corrugations of the corrugated plate, the clamping piece is enabled to be consistent with the bending direction of the clamped part, the corrugated plate can be fixed better, the corrugated plate can be adapted to corrugated plates with different bending degrees conveniently, and the corrugated plate clamping device is high in flexibility.

In conclusion, the combined type structure beam is simple in structure and reasonable in design, the box-type beam is matched with the corrugated plates to form the combined type structure beam, the bearing capacity of the structure beam is improved, the anti-overturning capacity of the structure beam is also improved, a plurality of groups of clamping units are arranged, each group of clamping units is used for clamping one corrugated plate, a plurality of corrugated plates are fixed along the length direction of the steel beam, the structural rigidity of the box-type beam is enhanced, the integral stability of the bridge is improved, and the combined type structure beam is high in practicability.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a schematic structural view of the clamping member of the present invention.

Fig. 4 is a schematic view of the structure of the corrugated board of the present invention.

Description of reference numerals:

1-upper sealing plate; 2-lower sealing plate; 3-a steel beam;

4-a corrugated plate; 5-connecting plates; 6-a stiffening plate;

7-a first bolt; 8-a clamping member; 9-U-shaped plates;

10-a convex part; 11-a second bolt; 12-grooves.

Detailed Description

Example 1

As shown in fig. 1 to 4, the corrugated plate type beam comprises a box-type beam and a plurality of corrugated plates 4 uniformly distributed in the box-type beam, wherein the box-type beam comprises an upper sealing plate 1, a lower sealing plate 2 and two steel beams 3 arranged between the upper sealing plate 1 and the lower sealing plate 2, the two transverse ends of each corrugated plate 4 are respectively connected with the two steel beams 3, a plurality of groups of clamping units distributed along the length direction of the steel beams 3 are respectively arranged on the upper sealing plate 1 and the lower sealing plate 2, and each group of clamping units comprises a plurality of clamping pieces 8 for clamping one longitudinal end of each corrugated plate 4.

During the in-service use, through setting up box roof beam to set up the buckled plate 4 of a plurality of equipartitions in box roof beam, form modular structure roof beam, both improved the bearing capacity of structural beam, improved the antidumping power and the anti bearing capacity of shearing of structural beam again, thereby be favorable to improving the overall stability of bridge.

During the in-service use, through all setting up multiunit centre gripping unit on last shrouding 1 and lower shrouding 2, be convenient for utilize corrugated plate 4 of each centre gripping of every group centre gripping unit, thereby at last shrouding 1 with down between shrouding 2 fixed a plurality of corrugated plates 4, a plurality of corrugated plates 4 are evenly laid along the length direction of girder steel 3, be favorable to improving the structural rigidity of box roof beam, and corrugated plate 4 vertically be main atress direction, the structural stability of box roof beam has been strengthened, adopted the welding between corrugated plate 4 and last shrouding 1 and lower shrouding 2, the structural rigidity of corrugated plate has effectively been guaranteed.

As shown in fig. 4, in this embodiment, the two transverse ends of the corrugated plate 4 are both provided with a connecting plate 5, the web of the steel beam 3 is provided with a stiffening plate 6, and the connecting plate 5 is connected with the stiffening plate 6 through a first bolt 7.

During the in-service use, all set up connecting plate 5 through the horizontal both ends at buckled plate 4, set up stiffening plate 6 on the web of girder steel 3, utilize first bolt 7 to pass connecting plate 5 and stiffening plate 6 to with buckled plate 4 and girder steel 3 fixed connection, avoided adopting the welding between buckled plate 4 and girder steel 3, effectively guaranteed the structural rigidity of buckled plate, and the quantity of first bolt 7 is a plurality of, improved the stability of being connected between buckled plate 4 and the girder steel 3.

As shown in fig. 2 and 3, in this embodiment, the clamping member 8 includes a U-shaped plate 9 and convex portions 10 disposed on inner side walls of two sides of the U-shaped plate 9, a second bolt 11 for connecting the upper sealing plate 1 and the lower sealing plate 2 is disposed at the bottom of the U-shaped plate 9 in a penetrating manner, and the U-shaped plate 9 can rotate around the second bolt 11, and a corrugated plate 4 is clamped between the two convex portions 10.

During the in-service use, U template 9's both sides have certain elasticity, through setting up U template 9, and convex part 10 on U template 9 both sides inside wall, be convenient for utilize two convex part 10 centre gripping both sides wall of buckled plate 4, wear to establish second bolt 11 through the bottom at U template 9, be convenient for utilize second bolt 11 to connect holder 8 and last shrouding 1 and lower shrouding 2, the through-hole that supplies second bolt 11 to pass is seted up to U template 9's bottom, through-hole inner wall smoothness, it is rotatory around second bolt 12 to be convenient for realize U template 9, it is rotatory around second bolt 12 to realize holder 8 promptly, thereby can be according to the ripple degree of buckling of buckled plate 4, rotatory holder 8, make holder 8 unanimous with the direction of buckling of the centre gripping position, be favorable to better fixed buckled plate 4, also be convenient for adapt to the buckled plate 4 of different degrees of buckling, the flexibility is strong.

In this embodiment, a groove 12 adapted to the second bolt 11 is formed at the bottom of the U-shaped plate 9.

During the in-service use, through set up the recess 12 that suits with second bolt 11 in the bottom of U template 9, make the upper surface of second bolt 11 not be higher than the upper surface of U template 9 bottom to do not influence the installation of buckled plate 4, and the internal diameter of recess 12 is greater than the nut external diameter of second bolt 11, the constructor of being convenient for installs second bolt 11.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A modular construction beam which characterized in that: including box roof beam and a plurality of equipartition box roof beam is inside and follows the box roof beam is vertically buckled plate (4) of laying, the box roof beam includes shrouding (1), shrouding (2) down and two settings are in go up shrouding (1) with girder steel (3) between shrouding (2) down, it is a plurality of length direction along girder steel (3) lays corrugated plate (4), each the horizontal both ends of corrugated plate (4) respectively with two girder steel (3) are connected, go up shrouding (1) with all be provided with the multiunit on shrouding (2) down and follow the centre gripping unit that girder steel (3) length direction laid, every group the centre gripping unit all includes a plurality of centre grippings holder (8) of the vertical one end of corrugated plate (4).

2. A modular structural beam according to claim 1, wherein: the corrugated plate is characterized in that connecting plates (5) are arranged at the two transverse ends of the corrugated plate (4), stiffening plates (6) are arranged on webs of the steel beams (3), and the connecting plates (5) are connected with the stiffening plates (6) through first bolts (7).

3. A modular structural beam according to claim 1, wherein: holder (8) are in including U template (9) and setting convex part (10) on the inside wall of U template (9) both sides, second bolt (11) that are used for being connected with last shrouding (1) and lower shrouding (2) are worn to be equipped with to the bottom of U template (9), just U template (9) can second bolt (11) are the rotation of axes, two the clamp has buckled plate (4) between convex part (10).

4. A modular structural beam according to claim 3, wherein: and a groove (12) matched with the second bolt (11) is formed at the bottom of the U-shaped plate (9).