CN219240322U

CN219240322U - Reinforced structure of prestressed concrete box girder

Info

Publication number: CN219240322U
Application number: CN202222866372.5U
Authority: CN
Inventors: 姜早龙
Original assignee: Hunan Huda Construction Supervision Co ltd
Current assignee: Hunan Huda Construction Supervision Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-06-23
Anticipated expiration: 2032-10-30

Abstract

The utility model relates to a reinforcing structure of a prestressed concrete box girder, which comprises a ground base, wherein a box girder body is arranged on the ground base, a plurality of reinforcing structures are arranged between the box girder body and a foundation base, so that the box girder body is reinforced through the reinforcing structures, connecting sheets are arranged in the box girder body, a first reinforcing frame is detachably arranged on each connecting sheet, the first reinforcing frame is connected with each connecting sheet through bolts, a protection structure is arranged between the two reinforcing structures, damage to the box girder body caused by external impact is prevented through the protection structure, the reinforcing structures comprise supporting columns, cushion blocks, first supporting blocks and second supporting blocks, the cushion blocks are connected with the foundation base through bolts, threads are arranged at the upper ends of the cushion blocks, the cushion blocks are connected with the supporting columns through threads, the extending length of the cushion blocks on the supporting columns can be adjusted, and the cushion blocks are connected with the foundation base conveniently.

Description

Reinforced structure of prestressed concrete box girder

Technical Field

The utility model relates to the technical field of building construction, in particular to a reinforcing structure of a prestressed concrete box girder.

Background

The prestressed concrete box girder is very common in road and bridge construction, plays a very important role in construction of roads and bridges, and is reinforced by a reinforcing structure after the construction of the concrete box girder is completed and the installation is completed, so that the box girder can be conveniently used for a long time. However, the existing reinforcing structure generally lacks an adjusting function, and the installation of the reinforcing structure cannot adapt to box girders with different volumes and sizes, so that inconvenience is brought to the installation; meanwhile, a protection structure is absent between the existing reinforcing structures, the parts without the reinforcing structures are exposed to the outside environment on the surface of the box girder, and the damage to the box girder structure is easily caused by the outside impact, so that the use of the box girder is affected; the existing reinforcing structure is inconvenient to detach and replace after installation is completed, inconvenience is brought to later maintenance, and the service life of the box girder is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a reinforcing structure of a prestressed concrete box girder, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reinforced structure of prestressed concrete case roof beam, includes the ground base, be provided with the case roof beam body on the ground base, be provided with reinforced structure between case roof beam body and the foundation base, reinforced structure is provided with a plurality of to consolidate the case roof beam body through reinforced structure, the inside connection piece that is provided with of case roof beam body, detachably is provided with first strengthening frame on the connection piece, bolted connection between first strengthening frame and the connection piece, two be provided with protection architecture between the reinforced structure, prevent through protection architecture that external impact from causing harm to the case roof beam body, reinforced structure includes support column, cushion, first supporting shoe and second supporting shoe, support column, cushion, first supporting shoe and second supporting shoe all are provided with a plurality ofly, bolted connection between cushion and the foundation base, the cushion upper end is provided with the screw thread, cushion and support column threaded connection to be convenient for adjust the extension length of cushion on the support column, be convenient for with be connected between cushion and the foundation base.

Preferably, the lower extreme of first supporting shoe is provided with first threaded rod, the screw hole has been seted up on the top of support column, rotate through the bearing between first threaded rod and the first supporting shoe and be connected, first threaded rod is installed in the screw hole, and with the support column between threaded connection to be convenient for through the screw-thread fit of first threaded rod and support column, according to the height of different case roof beam bodies, adjust first threaded rod, make first supporting shoe hug closely the lower surface of case roof beam body.

Further preferably, the side of support column is provided with the extension rod in a slidable way, the front end of extension rod is fixedly provided with the U type frame, the second supporting shoe install in on the U type frame, all be provided with the rotation hole on U type frame and the second supporting shoe, the second supporting shoe is connected with U type frame rotation through the round pin axle to be convenient for adjust the installation angle of second supporting shoe according to the gradient on case roof beam body inclined plane.

It is further preferred that limiting holes are formed in the side wall of the supporting column and the extension rod, the limiting holes are formed in a plurality of positions, the two limiting holes are connected through bolts, the extending length of the extension rod is fixed through the bolt inserting limiting holes, positioning holes are formed in the U-shaped frame and the second supporting block around the rotating holes, the positioning holes are formed in a plurality of positions, and the mounting angle of the second supporting block is fixed through the bolt inserting positioning holes.

Further preferably, the protection structure comprises a second reinforcing frame, a spring and a protection plate, wherein the side ends of the support columns are fixedly provided with fixing columns, fixing holes matched with the fixing columns are formed in the second reinforcing frame and the protection plate, threads are formed in the front ends of the fixing columns, and accordingly the structure between the two support columns is sealed through the protection structure, and damage to a box girder body caused by external impact is prevented.

It is further preferred that the second reinforcing frame and the protection plate are installed between the two support columns through the cooperation of the fixing columns and the fixing holes, and the spring is sleeved on the fixing columns and installed between the second reinforcing frame and the protection plate, so that the installation of the protection structure is facilitated.

It is further preferable that the side end of the support column is fixedly provided with a mounting column, a tripod is sleeved on the mounting column, the front end of the mounting column is provided with threads, the tripod is mounted on the support column through the cooperation of the mounting column and a nut, and the structure of the support column is reinforced through the tripod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the reinforcing structure is arranged, the cushion blocks are in threaded connection with the supporting columns, the first supporting blocks are connected with the supporting columns through the first threaded rods, so that the height of the first supporting blocks is adjusted according to the height between the box girder body and the foundation base, the first supporting blocks are convenient for supporting the lower end of the box girder, and meanwhile, the second supporting blocks are convenient for being in full contact with the inclined planes of the box girder according to the inclined angles of the inclined planes of the box girder through the running fit of the second supporting blocks and the U-shaped frame, so that the box girders with different sizes can be reinforced conveniently.

2. According to the utility model, the fixing columns are arranged between the two support columns, the protection structure is arranged on the fixing columns, the two reinforcing structures on one side are connected through the second reinforcing frame, the side ends of the reinforcing structures are reinforced, the side surfaces of the box girder are prevented from being damaged by external impact through the protection plate, and the position of the box girder where the reinforcing structures are not arranged is shielded, so that the service life of the box girder is prolonged, and the risk of damage to the box girder is reduced.

3. According to the utility model, the cushion blocks are connected with the foundation base through the bolts, the first supporting blocks and the second supporting blocks are contacted with the surface of the box girder body, and the first reinforcing frame arranged in the box girder body is connected with the connecting sheet through the bolts, so that when the reinforcing structure, the first reinforcing frame and the protection structure are damaged, the damaged part is convenient to replace, and resources are convenient to save.

Drawings

FIG. 1 is a schematic view of the overall structure of a reinforcement structure of a prestressed concrete girder of the present utility model;

FIG. 2 is a schematic structural view of a support column of a reinforcement structure for a prestressed concrete girder of the present utility model;

FIG. 3 is a structural side view of a support column of a reinforcement structure for a prestressed concrete box girder in accordance with the present utility model;

FIG. 4 is a schematic structural view of a protection structure for a reinforcement structure of a prestressed concrete girder of the present utility model;

fig. 5 is a schematic structural view of a box girder body of a reinforcement structure of a prestressed concrete box girder according to the present utility model.

In the figure: 1. a ground base; 2. a box girder body; 3. a connecting sheet; 4. a first reinforcing frame; 5. a support column; 6. a cushion block; 7. a first support block; 8. a second support block; 9. a first threaded rod; 10. an extension rod; 11. a U-shaped frame; 12. a rotation hole; 13. a limiting hole; 14. positioning holes; 15. a second reinforcing frame; 16. a spring; 17. a protective plate; 18. fixing the column; 19. a fixing hole; 20. a mounting column; 21. and a tripod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a reinforced structure of prestressed concrete box girder, including ground base 1, be provided with box girder body 2 on the ground base 1, be provided with reinforced structure between box girder body 2 and the foundation base 1, reinforced structure is provided with a plurality of, thereby consolidate box girder body 2 through reinforced structure, box girder body 2 inside is provided with connection piece 3, detachably is provided with first enhancement frame 4 on the connection piece 3, bolted connection between first enhancement frame 4 and the connection piece 3, be provided with protective structure between two reinforced structure, prevent that external impact from causing harm to box girder body 2 through the protective structure, reinforced structure includes support column 5, cushion 6, first supporting shoe 7 and second supporting shoe 8, support column 5, cushion 6, first supporting shoe 7 and second supporting shoe 8 all are provided with a plurality of, bolted connection between cushion 6 and the foundation base 1, cushion 6 upper end is provided with the screw thread, thereby be convenient for adjust the length that stretches out of cushion 6 on support column 5, be convenient for be connected between cushion 6 and the foundation base 1, first supporting shoe 7 lower extreme is provided with first supporting shoe 7, the threaded rod 9 is provided with between the threaded rod 5 and the threaded rod is passed through with the threaded rod 5, thereby the threaded rod is not connected with the threaded rod is realized to the first supporting shoe 5 through the threaded rod 2 with the threaded rod 2 to the first supporting body, the top end is connected with the threaded rod 9 through the threaded rod 2 through the threaded rod is realized to the first supporting box body through the threaded rod 5, thereby the top end is connected with the threaded rod 9, the threaded rod is realized through the threaded rod 9, the threaded rod is connected with the top end 9 through the threaded rod 2.

Referring to fig. 1-5, in this embodiment, an extension rod 10 is slidably disposed at a side end of a support column 5, a U-shaped frame 11 is fixedly disposed at a front end of the extension rod 10, a second support block 8 is mounted on the U-shaped frame 11, rotation holes 12 are disposed on the U-shaped frame 11 and the second support block 8, the second support block 8 is rotatably connected with the U-shaped frame 11 through a pin shaft, so as to adjust an installation angle of the second support block 8 according to an inclination of an inclined plane of a girder body 2, limit holes 13 are disposed on side walls of the support column 5 and the extension rod 10, a plurality of limit holes 13 are disposed, two limit holes 13 are connected by bolts, so that an extension length of the extension rod 10 is fixed by inserting bolts into the limit holes 13, the U-shaped frame 11 and the second support block 8 are provided with positioning holes 14, the positioning holes 14 are provided with a plurality of revolving holes, the installation angle of the second supporting block 8 is fixed through the bolt inserted into the positioning hole 14, the protection structure comprises a second reinforcing frame 15, a spring 16 and a protection plate 17, the side ends of the supporting columns 5 are fixedly provided with fixing columns 18, the second reinforcing frame 15 and the protection plate 17 are respectively provided with fixing holes 19 matched with the fixing columns 18, the front ends of the fixing columns 18 are provided with threads, thereby the structure between the two supporting columns 5 is sealed through the protection structure to prevent damage to the box girder body 2 caused by external impact, the second reinforcing frame 15 and the protection plate 17 are respectively installed between the two supporting columns 5 through the matching of the fixing columns 18 and the fixing holes 19, the spring 16 is sleeved on the fixing columns 18 and is installed between the second reinforcing frame 15 and the protection plate 17, thereby the installation of the protection structure is facilitated, the side ends of the supporting columns 5 are fixedly provided with mounting columns 20, the triangular frames 21 are sleeved on the mounting columns 20, the front end of the mounting column 20 is provided with threads, the tripod 21 is mounted on the support column 5 through the cooperation of the mounting column 20 and the nut, and the structure of the support column 5 is reinforced through the tripod 21, so that the whole box girder body 2 is reinforced through the reinforcing structure and the protecting structure.

Example 2:

to sum up, when installing reinforced structure, after the installation is accomplished between case roof beam body 2 and foundation base 1, install reinforced structure in the side of case roof beam body 2, install support column 5 between case roof beam and foundation base 1, pass through the roughness of foundation base 1, pass through the screw thread fit between cushion 6 and the support column 5, adjust the extension length of cushion 6, install cushion 6 on foundation base 1 through the bolt, through rotating first threaded rod 9, through the screw thread fit between first threaded rod 9 and the support column 5, make the first supporting shoe 7 of installing in first threaded rod 9 upper end and the lower surface contact of case roof beam body 2, thereby support the case roof beam through first supporting shoe 7, realize the reinforcement to the case roof beam, simultaneously according to the installation distance of support column 5 from the case roof beam and the inclination on case roof beam inclined plane, extract extension pole 10 from the support column 5 side, pass through the rotation between second supporting shoe 8 and the U type frame 11 and be connected, the installation angle of adjustment second supporting shoe 8 hugs closely the case roof beam inclined plane, insert the bolt into locating hole 14, accomplish the fixed length to the second supporting shoe 8, thereby insert the fixed length to the fixed body is less than the fixed body is convenient for the case roof beam 2, the fixed length is fixed to the case roof beam is 2.

Example 3:

to sum up, after the reinforced structure is installed, install first enhancement frame 4, through the cooperation of the connection piece 3 of first enhancement frame 4 and case roof beam body 2 inside, install first enhancement frame 4 in case roof beam body 2 inside through the bolt, accomplish the reinforcement to the inside of case roof beam body 2, connection piece 3 is when constructing case roof beam body 2, the ligature is installed on the reinforcement rack of case roof beam body 2, thereby through pouring reinforcement rack concrete, with connection piece 3 fixed mounting on the case roof beam, after the installation of first enhancement frame 4 is accomplished, install protection architecture, install second enhancement frame 15 between two support columns 5 through the cooperation of fixed orifices 19 and fixed column 18, install the spring 16 cover on fixed column 18, install protection shield 17 in spring 16 upper end through the cooperation of fixed column 18 and fixed orifices 19, install protection architecture between two support columns 5 through the cooperation of the screw thread and the nut of fixed column 18 front end, thereby accomplish the installation of whole reinforced structure of case roof beam body 2.

In summary, in all the above mentioned embodiments, the welding, the bolt and nut matching connection, the bolt or screw connection or other known connection modes may be selected according to the actual situation, and are not described in detail herein, where the above description refers to a fixed connection with writing, and the welding is the priority, although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a reinforced structure of prestressed concrete case roof beam, including ground base (1), a serial communication port, be provided with case roof beam body (2) on foundation base (1), be provided with reinforced structure between case roof beam body (2) and foundation base (1), reinforced structure is provided with a plurality ofly, inside connection piece (3) that are provided with of case roof beam body (2), detachably is provided with first enhancement frame (4) on connection piece (3), bolted connection between first enhancement frame (4) and connection piece (3), be provided with protection architecture between two reinforced structure, reinforced structure includes support column (5), cushion (6), first supporting shoe (7) and second supporting shoe (8), support column (5), cushion (6), first supporting shoe (7) and second supporting shoe (8) all are provided with a plurality ofly, bolted connection between cushion (6) and foundation base (1), cushion (6) upper end is provided with the screw thread, cushion (6) and support column (5) threaded connection.

2. The reinforcement structure of a prestressed concrete box girder according to claim 1, characterized in that a first threaded rod (9) is arranged at the lower end of the first supporting block (7), a threaded hole is formed in the top end of the supporting column (5), the first threaded rod (9) is rotatably connected with the first supporting block (7) through a bearing, and the first threaded rod (9) is installed in the threaded hole and is in threaded connection with the supporting column (5).

3. The reinforcing structure of the prestressed concrete box girder according to claim 2, wherein an extension rod (10) is slidably arranged at the side end of the supporting column (5), a U-shaped frame (11) is fixedly arranged at the front end of the extension rod (10), a second supporting block (8) is arranged on the U-shaped frame (11), rotating holes (12) are formed in the U-shaped frame (11) and the second supporting block (8), and the second supporting block (8) is connected with the U-shaped frame (11) in a rotating mode through a pin shaft.

4. A reinforcing structure for a prestressed concrete box girder according to claim 3, characterized in that limiting holes (13) are formed in the side wall of the supporting column (5) and the extension rod (10), the limiting holes (13) are formed in a plurality of positions, the two limiting holes (13) are connected through bolts, positioning holes (14) are formed in the U-shaped frame (11) and the second supporting block (8) around the rotating holes (12), and the positioning holes (14) are formed in a plurality of positions.

5. The reinforcing structure of the prestressed concrete box girder according to claim 1, wherein the protecting structure comprises a second reinforcing frame (15), a spring (16) and a protecting plate (17), fixing columns (18) are fixedly arranged at the side ends of the supporting columns (5), fixing holes (19) matched with the fixing columns (18) are formed in the second reinforcing frame (15) and the protecting plate (17), and threads are formed at the front ends of the fixing columns (18).

6. The reinforced structure of the prestressed concrete girder according to claim 5, wherein the second reinforcing frame (15) and the protection plate (17) are installed between the two support columns (5) through the cooperation of the fixing columns (18) and the fixing holes (19), and the spring (16) is installed on the fixing columns (18) in a sleeved mode and installed between the second reinforcing frame (15) and the protection plate (17).

7. The reinforced structure of the prestressed concrete box girder according to claim 1, wherein a mounting column (20) is fixedly arranged at the side end of the supporting column (5), a tripod (21) is sleeved on the mounting column (20), threads are arranged at the front end of the mounting column (20), and the tripod is mounted on the supporting column (5) through the cooperation of the mounting column (20) and a nut.