JPH04120803U - Steel column and beam joining device - Google Patents

Abstract

(57) [Summary] [Purpose] The present invention involves welding and fixing the components of the device to steel pipe columns or H-shaped steel beams in advance at the factory, and joining them only by tightening bolts during on-site construction. It is strong and will not be damaged during transportation to the site or during joining work. [Structure] An end plate body is formed on a plate material having a peripheral edge provided with bolt holes with protrusions that are fixed to the pillar, and on the other hand, the peripheral edge plate that is fixed to the end of the beam and has a peripheral edge provided with bolt holes is formed. Four side plates provided with ribs are formed on a plate having edges, and the side plates and end plates are tightened with bolts to form a hexahedron, thereby connecting the column and the beam.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a joining device for square steel pipe columns and H-shaped steel beams in steel structures, and in particular, The end plate of the device and the side plate fixed to the end of the beam are tightened with bolts at the construction site. This invention relates to a device that can be joined by chisel.

0002

[Conventional technology]

Conventionally, there are many types of technology for joining H-shaped steel pipe beams to square steel pipe columns in steel structures. Something similar has been proposed. The main feature is that the ends of the steel beams have bolt holes on both sides. A trapezoidal shape in which a side plate with a flange is formed and fixed, and is provided horizontally inward from the upper and lower parts of the side plate. The protruding pieces are equipped with pins that protrude from the upper and lower ends of the side plates, while the edges of the steel pipe columns are provided with pins that protrude from the upper and lower ends of the side plates. A connecting plate with positioning pin holes is welded. Then, connect the beam's positioning pin to the column's pin. Manually adjust the position and fit into the hole, then tighten the bolts on the adjacent side plates and assemble into a rectangular tube shape. A structure has been proposed in which the side plates and the upper and lower steel pipe columns are welded together after the installation. (Actual development Publication No. 143602 (1986)

0003

[Problem that the idea aims to solve]

However, in the conventional technology as mentioned above, if the beam material is a lightweight steel frame, However, pins protruding from the end of the beam may be damaged by impact force between parts during transportation to the site or when reloading. Not only will deformation and damage occur, but the operation of aligning and inserting the pin into the pin hole must be done by a skilled worker. also requires delicate adjustment work. Furthermore, special procedures are required to weld the side plates to the upper and lower steel pipe columns. The problem is that specialized workers have to spend time and effort on assembling the parts together. There was an issue.

0004 This invention has an edge with bolt holes around it to prevent deformation and damage during transportation to the site. A plate body and a side plate body having an edge with bolt holes around the periphery are formed, and the end plate body and the side plate body are connected to each other. To weld each column and beam, work is done quickly and accurately at the factory in advance, and assembly work on site is performed. is highly resistant to external horizontal impact forces and torsional impact forces by simply tightening the bolts. The object of the present invention is to obtain a welding device that forms a hexahedron with proof strength.

[0005]

[Means to solve the problem]

In order to achieve the above purpose, the jointing device of the present invention is designed to An end plate body is fixed to the edge of the opening. The end plate body is rectangular with only the peripheral edge overhanging the steel pipe column. A plate with the same shape as the column cross-section is formed on one side of the plate in order to secure it to the steel pipe column. It is preferable to provide it integrally. The outer edge of the protrusion has a hole for insertion as a tightening means. It has multiple through holes.

[0006] A side plate is fixed to the edge of the H-shaped steel beam. The side plate body is a plate material with the same width as the side wall of the steel pipe column. The edges of the board are bent outward at an angle of 45° to the board surface. The upper and lower edges have horizontal edges curved outward at right angles to the plate material. Let's go. A plurality of holes are bored in these edges as tightening means. Further to plate material provides a vertical rib so that it can be welded to the web of an H-shaped steel beam, and The lower flange of the beam is welded to the lower edge when the side flange is welded to the upper edge. If the beam is a small beam, make a horizontal recess at the corresponding position on the plate to weld the lower flange. It is preferable to provide a tab.

[0007]

[Effect]

The end plate body and side plate body of the device of the present invention configured as described above can be formed by casting. Preferably, this eliminates dimensional errors and makes the structural member strong. can be done. When welding these two members to the steel pipe column and the rope beam respectively, Instead of welding, we decided to do the work quickly and accurately in a factory, and we installed additional steel pipe columns on the upper and lower floors. Assembling and joining work can be carried out accurately and easily without causing errors in the length of beams or beams. welding The edge of the side plate is slightly overhanging from the end of the column or beam, but it is an overhanging plate. It has a strong structure with no screws or pins, and will not be deformed or damaged during transportation or assembly. has been done.

[0008] The end plate at the top of the column was erected on site, and the side plate was placed on it while suspending the beam using a crane. After aligning the through holes on both sides, simply insert the bolt and tighten with the nut, and the bottom plate A rectangular cylinder body consisting of four side plates is assembled on the end plate body. The beam is mounted For the outside surfaces of columns on external walls of buildings that are not covered, and the outside surfaces of columns at corners, bolt only the side panels to the end panels. It is something that you have to tighten and stand upright.

[0009] The end plate provided at the lower end of the upper floor side column is attached to the upper edge of the side plate assembled in a rectangular tube shape. All you have to do is move it with the horn and tighten it with bolts and nuts. Assembled like this The joining device constitutes a part of the column as a solid hexahedral structure. On-site like this The joining device, which is assembled only by bolt tightening work, is subject to strong torsional impact forces. It has a strength that will not cause rhombic deformation even when loaded.

0010

【Example】

Examples will be described with reference to the drawings. In Figure 1, the lower floor is made of square steel pipes. An end plate body 2 is fixed to the upper edge of the side column 1a by welding means. The end plate body 2 is shown in FIG. As shown in FIG. A rectangular protrusion 4 having the same shape as the cross-section of the steel pipe column is integrally provided on one side of the plate material 3. , the edge has a beveled angle, making welding to the column easy and reliable. Outside of protrusion 4 The side plate material portion is an edge 5 that extends outward from the side walls of the pillars 1a and 1b, and the edge 5 is provided with a plurality of through holes 6 for bolt insertion at appropriate intervals.

[0011] The side plate 7 is fixed to the edge of the beam made of H-shaped steel in advance by welding at the factory. Or use it only on the side plate itself. As shown in FIGS. 1, 2, and 3, the side plate body 7b, 7c and 7d are fixed to beams 8a, 8b and 8c, respectively. Side plate body 7 on the outside wall side of the building No beam is fixed to a. Additionally, the pillars 1a and 1b are provided at the corners of the building. At this time, either the beam 8a or 8b is removed.

0012 The side plate body 7 may be formed by pressing a steel plate, but it may be formed by casting an iron material. However, it is strong and inexpensive, making it a desirable structure. Regarding the side plate body 7a To explain, it is a flat plate that has the same width as the side walls of the pipe columns 1a and 1b and the same height as the beam length. A vertical edge 10 is bent outward from both side edges of the portion 9 at an angle of 45° with respect to the plate surface. a and 10b are integrally extended. The upper and lower ends of the plate part 9 are bent outward at right angles. The directional edges 11a and 11b are integrally extended. Both edges 10a, 10b, 11a , 11b are provided with a plurality of through holes 12 for bolt insertion. Along the central axis of the plate part 9 Ribs 13 and 14 are provided in the vertical direction and in the lateral direction of the lower part integrally with the peripheral edge. These ribs 13 and 14 are for reinforcing the side plate body and for properly and firmly fixing the beam end. belongs to. As shown in Fig. 3, the beam 8C fixed to the side plate 7c is used as a girder. The edge of the web 15 of this beam 8c is fixed to the rib 13, and the upper flange The edge of the flange 16b is fixed to the upper edge 11b, and the lower flange 16a is fixed to the lower edge 11b. It is fixed to 1a. When using a small beam instead of a large beam for beam 8C, lower edge flange 1 6a may be fixed to the rib 14. In this way, the beam 8c is attached to the side plate 7c. Beams 8b are fixed to the side plates 7b, respectively.

[0013] When joining beams to columns, there is no particular installation order, but the beams are usually fixed. Attach from the side plate 7a that is not open. This side plate body 7a is placed over the through hole 6 on the first side of the end plate body 2. Manually align the through holes 12 in the lower edge 11a, insert the bolts 17, and then tighten the nuts 18. When tightened, the side plate body is erected and fixed on the first side edge 5 of the end plate body 2. Next, beam 8a is lowered while being suspended by a crane, and lightly touches the lower edge 11a of the side plate 7b. After placing it on the end plate body 2, the lower edge 11a is moved and aligned with the first edge of the end plate body 2. If so, the edge 10 of the side plate 7a and the edge 10a of the adjacent side plate 7b are in contact alignment. Therefore, tighten with bolt 7 and nut 18. In this way, the side plate of the beam 8c 7c and the side plate 7d of the beam 8b are sequentially tightened onto the end plate 2 with bolts and nuts. Ru. On the upper edge of the square formed by the four side plates assembled as above, there is an upper The floor side columns 1b and the integral end plate body 2a are moved and lowered by a crane and placed and aligned. . Then, by tightening the bolts and nuts, the four side plates and two end plates can be assembled. The upper floor side column 1b is connected to and erected by a device with sufficient strength.

[0014]

[Effect of the idea]

Since the present invention is constructed as explained above, the following be effective.

[0015] An end plate body fixed to the end of a square steel pipe column of a steel frame structure and a side plate body fixed to an H-shaped steel beam. are welded accurately and quickly in advance at the factory, so bolts and nuts are not required during on-site construction. Columns and beams can be firmly connected simply by tightening them with the bolts and assembling them.

[0016] Furthermore, the device of the present invention, which consists of four side plates and two upper and lower end plates, is suitable for tightening bolts. Therefore, it is formed into a strong hexahedron and forms part of the column itself, and is able to withstand external impact forces in the horizontal direction. Even when subjected to torsional force due to earthquakes and strong winds, it has strong durability and is durable. It can be made into an architectural structure that retains its initial construction condition.

[0017] Furthermore, the side plate has a flat plate that retains its shape with ribs, and the peripheral edge is also integrated. The formed ribs prevent deformation even when subjected to external shocks during transportation to the site or during tightening and joining work. It is hard to be damaged in shape, and there is almost no chance of defective products. And the ribs and the upper and lower edges The beams can be welded easily and accurately, resulting in a robust structure.

[0018] The side panels are equipped with horizontal plates and pins for alignment with adjacent side panels and columns. Complicated work in positioning and adjusting parts such as holes, etc., which are vulnerable to shock during transportation, and pillars. It has an extremely simple structure with no time-consuming parts, and is extremely easy to work with. It has a beneficial effect.

[Brief explanation of drawings]

FIG. 1 is a partially exploded perspective view of a beam joined to a column by a device consisting of an end plate body and a side plate body.

FIG. 2 is a sectional view taken along line AA in FIG. 1;

FIG. 3 is a sectional view taken along line BB in FIG. 1;

FIG. 4 is a sectional view taken along line CC in FIG. 1;

[Explanation of symbols]

1a, 1b pillar 2, 2a End plate body 3,9 Board material 4 Projections 5, 10a, 10b, 11a, 11b edge 7 Side plate 8 Beam 13, 14 ribs

Claims (1)

[Scope of utility model registration request] [Claim 1] An end plate body fixed to the end of a square steel pipe column and an H
This device consists of four side plates that are fixed or not fixed to the ends of a shaped steel beam, and the end plate has a rectangular protrusion that matches the cross section of the steel pipe column on one side of the plate. The part of the board that overhangs the protrusion is an edge with a plurality of holes through which the tightening means are inserted, and the side board is bent at an angle of 45° from both edges of the board to the surface of the board. A steel-framed column characterized by having an edge having a through hole, an edge having a through hole bent at right angles from the upper and lower edges of the plate, and a rib for fixing a beam to the plate. and beam joining equipment.