CN213013866U

CN213013866U - Steel construction box girder fixing device

Info

Publication number: CN213013866U
Application number: CN202021080521.XU
Authority: CN
Inventors: 周睿; 赵桢浩; 王方圆; 魏维; 樊友洪; 李潭; 张俊; 张尚尉
Original assignee: China Railway Heavy Machinery Co Ltd
Current assignee: China Railway Heavy Machinery Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-20
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a steel construction box girder fixing device, its characterized in that: the foundation pit supporting structure comprises at least two rows of steel pipe columns, the upper ends of the steel pipe columns in each row are connected with a supporting plate, the adjacent two rows of steel pipe columns are connected through a connecting mechanism, the lower ends of the steel pipe columns in the middle of the steel pipe columns in each row are connected with pier columns through fixing mechanisms, the lower ends of the rest steel pipe columns are connected with a bottom plate through inserting mechanisms, and the bottom plate is correspondingly connected with a foundation pit crown beam. The utility model discloses a fixed bottom plate that is provided with on the top on the foundation ditch crown beam, steel-pipe column bottom is through insertion mechanism and bottom plate phase to be put, at the in-process of setting up, only need with the bottom of steel-pipe column insert establish on the bottom plate can, can guarantee the vertical setting of steel-pipe column like this, not only guaranteed to set up the quality, improved moreover and set up efficiency, and easy operation, convenience.

Description

Steel construction box girder fixing device

Technical Field

The utility model relates to a steel mechanism case roof beam field, in particular to steel construction case roof beam fixing device.

Background

The box girder is one of bridge construction, and the inside is hollow form, and is similar to the case, divides single case, many casees etc. wherein the steel box girder, also called steel sheet box girder is the commonly used structural style of long span bridge, generally uses on the great bridge of span, divide into prefabricated box girder and cast-in-place box girder, need use box girder fixing device in the installation of steel structure box girder, current box girder fixing device is at the in-process of building, need set up the welded steel pipe post on the foundation ditch hat beam for guaranteeing to build the quality, and the operation is comparatively troublesome, consequently can not satisfy the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to above-mentioned prior art exists provides an easy operation, can improve the steel construction box girder fixing device who builds efficiency.

The utility model discloses the technical scheme who adopts does:

the utility model provides a steel construction box girder fixing device which characterized in that: the foundation pit supporting structure comprises at least two rows of steel pipe columns, the upper ends of the steel pipe columns in each row are connected with a supporting plate, the adjacent two rows of steel pipe columns are connected through a connecting mechanism, the lower ends of the steel pipe columns in the middle of the steel pipe columns in each row are connected with pier columns through fixing mechanisms, the lower ends of the rest steel pipe columns are connected with a bottom plate through inserting mechanisms, and the bottom plate is correspondingly connected with a foundation pit crown beam.

According to the technical scheme, the inserting mechanism comprises a first steel plate fixedly arranged at the lower end part of the corresponding steel pipe column and a first open groove formed in the bottom plate, and the first steel plate is inserted into the first open groove.

According to the technical scheme, the bottom groove wall of the first open groove is a horizontal plane, and the first steel plate and the bottom end of the steel pipe column are integrally fused and manufactured.

According to the technical scheme, the fixing mechanism comprises a second steel plate fixedly arranged at the lower end part of the corresponding steel pipe column and a second groove formed in the top of the pier column, the second steel plate is embedded in the second groove, and the second steel plate is connected with the pier column through a fastener.

According to the technical scheme, the second steel plate and the steel pipe column are integrally fused.

According to the technical scheme, the supporting plates are double-spliced steel distribution pipes.

According to the technical scheme, each row of steel pipe columns comprises a plurality of steel pipe columns which are horizontally arranged, the steel pipe columns between every two adjacent rows of steel pipe columns are in one-to-one correspondence, and every two steel pipe columns in one-to-one correspondence are connected through a connecting mechanism.

According to the technical scheme, the connecting mechanism comprises two groups of transverse supporting rods welded between the steel pipe columns in one-to-one correspondence, inclined supporting rods are welded between the transverse supporting rods in each group, and the transverse supporting rods, the inclined supporting rods and the steel pipe columns are enclosed to form a stable triangular structure.

The utility model discloses the beneficial effect who gains does:

1. the utility model discloses a fixedly on the top on the foundation ditch crown beam be provided with the bottom plate, the steel-pipe column bottom is through inserting the mechanism and being collocated with the bottom plate, in the process of setting up, only need insert the bottom of steel-pipe column on the bottom plate can, can guarantee the vertical setting of steel-pipe column like this, has not only guaranteed to set up the quality, has improved and has set up efficiency moreover, and easy operation, convenience;

2. through the concrete design to insertion mechanism for the fixed first steel sheet that forms with the integrative melting preparation of steel-pipe column buries first fluting, utilizes laminating between the bottom of first steel sheet and the first grooved bottom cell wall, can guarantee the vertical setting of steel-pipe column when setting up this fixing device like this, has improved and has built the quality, and the first steel sheet that lies in the bottom of steel-pipe column simultaneously has still increased and has supported area of contact, and support stability is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of the structure of the utility model a.

In the figure: 1. steel pipe columns; 2. a support plate; 3. a connecting mechanism; 31. a transverse stay bar; 32. a diagonal brace; 4. a base plate; 5. a plug-in mechanism; 51. a first slot; 52. a first steel plate; 6. a foundation pit crown beam; 7. pier studs; 8. a fixing mechanism; 81. a second slot; 82. a second steel plate; 83. and (4) bolts.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-2, the present embodiment provides a steel structure box girder fixing device, including at least two rows of steel pipe columns, the upper end of each row of steel pipe columns is connected to a support plate 2, two adjacent rows of steel pipe columns are connected to each other through a connecting mechanism, the lower end of the steel pipe column located in the middle of each row of steel pipe columns is connected to a pier column 7 through a fixing mechanism, the lower ends of the other steel pipe columns are connected to a bottom plate 4 through an inserting mechanism, and the bottom plate 4 is correspondingly connected to a foundation pit crown girder 6.

In this embodiment, two rows of steel pipe columns are taken as an example for explanation, each row of steel pipe columns includes seven steel pipe columns, the steel pipe columns between the two rows of steel pipe columns form a group of steel pipe columns in a one-to-one correspondence manner, there are seven groups of steel pipe columns, and each group of steel pipe columns are connected through a connection mechanism.

In this embodiment, the supporting plate 2 is a double-spliced steel distribution pipe. The connecting mechanism 3 comprises two groups of transverse supporting rods 31 welded between each group of steel pipe columns 1, inclined supporting rods 32 are welded between the transverse supporting rods 31 in each group, and the transverse supporting rods, the inclined supporting rods and the steel pipe columns are enclosed to form a stable triangular structure. The inclined supporting rods 32 and the transverse supporting rods 31 are welded between the steel pipe columns 1 of each group, so that the two steel pipe columns 1 of each group are connected more tightly, and the integrity is higher.

As shown in fig. 1, the inserting mechanism 5 includes a first steel plate 52 fixedly installed at a lower end portion of the corresponding steel pipe column, and a first open groove 51 formed in the bottom plate 4, a bottom groove wall of the first open groove 51 formed by integrally melting the bottom end of the steel pipe column 1 and the first steel plate 52 is a horizontal plane, and the first steel plate 52 is inserted into the first open groove and attached to an inner wall of the first open groove 51. When the steel pipe column 1 is built, only the first steel plate 52 at the bottom end of the steel pipe column 1 needs to be directly inserted into the first open groove 51 on the bottom plate 4, so that the steel pipe column 1 can be ensured to be in a vertical fixed state, and the installation quality is improved.

As shown in fig. 2, the fixing mechanism 8 includes a second steel plate 82 fixed to a lower end portion of the corresponding steel pipe column, and a second slot 81 formed in a top portion of the pier column 7, the second steel plate 82 is embedded in the second slot 81, the second steel plate is connected to the pier column 7 by a bolt 83, and the second steel plate 82 and the steel pipe column 1 are integrally fused.

It should be noted that, the utility model relates to a steel construction box girder fixing device, set up this fixing device, can be directly with pier stud 7 and the vertical subaerial pre-buried hole of injecting of foundation ditch crown beam 6 of seven groups of 1 bottoms of steel-pipe column, and bury, then with the first steel sheet 52 and the second steel sheet 82 direct alignment of 1 bottom of steel-pipe column inject first fluting 51 and second fluting 81, and the week side of first steel sheet 52 and second steel sheet 82 pastes tightly on the cell wall of first fluting 51 and second fluting 81, can guarantee the vertical work of putting up of steel-pipe column 1 like this, all weld between two steel-pipe columns 1 of every group has spreader 31 and diagonal brace 32, make the wholeness between two steel-pipe columns 1 of every group higher, great improvement this box girder fixing device's fastness.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steel construction box girder fixing device which characterized in that: the foundation pit supporting structure comprises at least two rows of steel pipe columns, the upper ends of the steel pipe columns in each row are connected with a supporting plate, the adjacent two rows of steel pipe columns are connected through a connecting mechanism, the lower ends of the steel pipe columns in the middle of the steel pipe columns in each row are connected with pier columns through fixing mechanisms, the lower ends of the rest steel pipe columns are connected with a bottom plate through inserting mechanisms, and the bottom plate is correspondingly connected with a foundation pit crown beam.

2. The steel structure box girder fixing device of claim 1, wherein: the inserting mechanism comprises a first steel plate fixedly arranged at the lower end part of the corresponding steel pipe column and a first open groove formed in the bottom plate, and the first steel plate is inserted into the first open groove.

3. The steel structure box girder fixing device of claim 2, wherein: the bottom groove wall of the first open groove is a horizontal plane, and the first steel plate and the bottom end of the steel pipe column are integrally fused and manufactured.

4. The steel structure box girder fixing device of claim 1 or 2, wherein: the fixing mechanism comprises a second steel plate fixedly arranged at the lower end part of the corresponding steel pipe column and a second groove formed in the top of the pier column, the second steel plate is embedded in the second groove, and the second steel plate is connected with the pier column through a fastener.

5. The steel structure box girder fixing device according to claim 4, wherein the second steel plate and the steel pipe column are integrally fused.

6. The steel structure box girder fixing device of claim 1 or 2, wherein: the supporting plate is a double-spliced steel distribution pipe.

7. The steel structure box girder fixing device of claim 1 or 2, wherein: each row of steel pipe columns comprises a plurality of steel pipe columns which are horizontally arranged, the steel pipe columns between every two adjacent rows of steel pipe columns are in one-to-one correspondence, and every two steel pipe columns in one-to-one correspondence are connected through a connecting mechanism.

8. The steel structural box girder fixing device of claim 7, wherein: the connecting mechanism comprises two groups of transverse supporting rods (31) welded between the steel pipe columns in one-to-one correspondence, inclined supporting rods are welded between the transverse supporting rods (31) of each group, and the transverse supporting rods, the inclined supporting rods and the steel pipe columns are enclosed to form a stable triangular structure.