CN211312835U

CN211312835U - Through bolt assembly structure of square steel connecting column and square steel tubular beam

Info

Publication number: CN211312835U
Application number: CN201921891055.0U
Authority: CN
Inventors: 祝磊; 钱晨阳; 胡贵生; 米夏夏; 马壮
Original assignee: Beijing University of Civil Engineering and Architecture; BGRIMM Technology Group Co Ltd
Current assignee: Beijing University of Civil Engineering and Architecture; BGRIMM Technology Group Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-21
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a square steel spliced pole and square steel tubular beams's link up bolt assembly structure relates to building steel construction, building and construction technology, large-scale historical relic reproduction exhibition, mechanical assembly field, including the bolted connection hole of seting up on the square steel tubular beams, square steel spliced pole connecting end fixedly connected with end plate sets up on the end plate with square steel tubular beams bolt connection hole complex bolted connection hole, and square steel tubular beams adopts the threaded bolt through bolt connecting hole with the end plate to be connected. The utility model adopts the full bolt assembly, the prefabrication and welding work are all completed in the factory, the quality is reliable, and the full bolt through connection is adopted on the spot; the field assembly workload is greatly reduced, the material consumption is reduced, and the reliability of the structure is enhanced; the utility model has superior anti-seismic performance, and can obviously improve the ductility and the energy consumption capability of the structure; the plastic hinge is moved outwards by arranging the outward extending stiffening rib on the end plate, so that the plastic hinge is prevented from appearing at the beam end; the repair or replacement after earthquake is convenient.

Description

Through bolt assembly structure of square steel connecting column and square steel tubular beam

Technical Field

The utility model relates to a construction steel structure, civil construction and building technology, large-scale historical relic reproduction exhibition are old, mechanical assembly field, specifically are a through bolt assembly structure of square steel spliced pole and square steel tubular beams.

Background

The development of the fabricated steel structure building is one of the key points of the reform of the building industry in recent years, and although the box column has good capability of resisting bidirectional bending and torsional buckling, no bolt installation space exists. The application of the assembly type steel structure connecting structure is applied to the actual project of large cultural relic reproduction and exhibition in the traditional building field under the background of multidisciplinary cooperative fit. Through end plate bolted connection square steel tubular beams and square steel spliced pole structure, in view of the lack of relevant theory, structural design's imperfection and field operation are comparatively complicated, and an anti-seismic performance is superior urgently needed, and the construction is convenient reliable, and the on-the-spot weldless, but shake back quick replacement and restoration, accord with the novel connection structure of building industrialization requirement.

Therefore, the technical personnel in the field propose a through bolt assembly structure of a square steel connecting column and a square steel tubular beam to solve the problems proposed in the background.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a through bolt assembly structure of square steel spliced pole and square steel tubular beams to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a through bolt assembly structure of square steel spliced pole and square steel tubular beam, includes the bolted connection hole of seting up on the square steel tubular beam, square steel spliced pole connecting end fixedly connected with end plate sets up on the end plate with bolted connection hole complex bolted connection hole on the square steel tubular beam, and square steel tubular beam and end plate adopt threaded bolt through bolt to run through bolted connection hole and are connected.

As a further aspect of the present invention: the end plates are connected with the square steel connecting columns in a welding mode.

As a further aspect of the present invention: the bolt connecting holes are symmetrically arranged on the end plate.

As a further aspect of the present invention: the bolt connecting holes are uniformly distributed at four corners of the end plate.

As a further aspect of the present invention: and rib plates are connected between the square steel connecting columns and the end plates, and the thickness of each rib plate is 2 mm larger than that of each square steel connecting column.

As a further aspect of the present invention: the end plate thickness is not less than 16 mm.

As a further aspect of the present invention: the threaded bolt is 20 mm or 24 mm in diameter.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the full bolt assembly, the prefabrication and welding work are all completed in the factory, the quality is reliable, and the full bolt through connection is adopted on the spot; the field assembly workload is greatly reduced, the material consumption is reduced, and the reliability of the structure is enhanced; the utility model has superior anti-seismic performance, and can obviously improve the ductility and the energy consumption capability of the structure; the plastic hinge is moved outwards by arranging the outward extending stiffening rib on the end plate, so that the plastic hinge is prevented from appearing at the beam end; the repair or replacement after the earthquake is convenient; the structural design is greatly simplified, and the factory prefabrication is convenient; the form of a strong connection weak plate is adopted, the end plate is of medium thickness, and the bolt is a large-diameter through high-strength friction type bolt, so that the structure is guaranteed to have good ultimate rotation capacity, and the damage is delayed; the bolt hole is reserved to the structure and the square steel spliced pole of built-in internal thread through bolt connecting tube is connected through the unilateral screw thread bolt of both sides tight in the junction, has strengthened structural rigidity, does not occupy outside space simultaneously and has also ensured the pleasing to the eye requirement of building.

Drawings

FIG. 1 is an exploded view of an embodiment;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is a left side view of the structure of FIG. 2;

FIG. 4 is an exploded view of another embodiment;

fig. 5 is a schematic structural view of the threaded bolt of the present invention;

in the figure: the steel pipe comprises a 1-square steel pipe beam, 2-bolt connecting holes, 3-square steel connecting columns, 4-end plates, 5-threaded bolts and 6-rib plates.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: referring to fig. 1-5, a through bolt assembly structure of a square steel connecting column and a square steel tubular beam comprises a bolt connecting hole 2 formed in the square steel tubular beam 1, an end plate 4 is fixedly connected to a connecting end of the square steel connecting column 3, a bolt connecting hole 2 matched with the bolt connecting hole 2 formed in the square steel tubular beam 1 is formed in the end plate 4, the square steel tubular beam 1 and the end plate 4 are connected through the bolt connecting hole 2 by a threaded bolt 5, and the square steel tubular beam 1 and the end plate 4 can be connected through the threaded bolt by placing a nut in the square steel tubular beam 1.

The end plate 4 is connected with the square steel connecting column 3 in a welding mode.

The bolt connecting holes 2 are symmetrically arranged on the end plate 4.

The bolt connecting holes 2 are uniformly distributed at four corners of the end plate 4.

Be connected with gusset 6 between square steel spliced pole 3 and the end plate 4, gusset 6 thickness is 2 millimeters bigger than square steel spliced pole 3 thickness, and gusset 6 is used for increasing connection structure's intensity for the device is more durable.

The end plate 4 is not less than 16 mm thick.

The threaded bolt 5 has a diameter of 20 mm or 24 mm.

Example two: this embodiment is a further improvement of the previous embodiment: threaded pipes can be pre-embedded in the bolt connecting holes 2 of the square steel tubular beams 1, and then threaded bolts 5 directly penetrate through the bolt connecting holes 2 and then are connected with the threaded pipes, so that fixation can be achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a through bolt assembly structure of square steel spliced pole and square steel tubular beam, includes bolted connection hole (2) of seting up on square steel tubular beam (1), its characterized in that, square steel spliced pole (3) connecting end fixedly connected with end plate (4), set up on end plate (4) with square steel tubular beam (1) on bolted connection hole (2) complex bolted connection hole (2), square steel tubular beam (1) adopts threaded bolt (5) to run through bolted connection hole (2) with end plate (4) and is connected.

2. The through bolt assembly structure of a square steel connecting column and a square steel tubular beam according to claim 1, wherein the end plate (4) is welded to the square steel connecting column (3).

3. The through bolt assembly structure of a square steel connecting column and a square steel tubular beam according to claim 1, wherein the bolt connecting holes (2) are symmetrically arranged on an end plate (4).

4. The through bolt assembly structure of a square steel connecting column and a square steel tubular beam according to claim 3, wherein the bolt connecting holes (2) are uniformly distributed at four corners of the end plate (4).

5. The through bolt assembly structure of the square steel connecting column and the square steel tubular beam according to any one of claims 1 to 4, wherein a rib plate (6) is connected between the square steel connecting column (3) and the end plate (4), and the thickness of the rib plate (6) is 2 mm greater than that of the square steel connecting column (3).

6. A through bolt assembly structure of a square steel connection column and a square steel tubular beam according to claim 5, characterized in that the end plate (4) has a thickness not less than 16 mm.

7. A through bolt assembly structure of square steel connection column and square steel tubular beam according to claim 6, characterized in that the threaded bolt (5) is 20 mm or 24 mm in diameter.