CN204571027U - T-steel keel frame connecting structure anyhow - Google Patents

Abstract

A T-shaped steel keel horizontal and vertical frame connection structure, which solves the problems that the deformation of the T-shaped steel keel due to the overall welding and the strength of the position where the wind load is large cannot meet the engineering requirements, including the T-shaped steel composed of the horizontal frame end plate and the rib plate The keel horizontal frame is a T-shaped steel keel mullion and pins composed of mullion end plates and mullion ribs. Horizontal blind holes with built-in springs are provided at the ends of adjacent transverse frame ribs, and are on the same axis as the through holes of the mullion ribs. The inside surfaces of the ribs are on the same plane, and the outside surfaces of the interconnected end plates are on the same plane. Its structural design is reasonable, the operation is simple and fast, and the connection is reliable and regular, which not only reduces the cost, improves the operation efficiency, but also meets the engineering requirements for the strength of the keel, and at the same time enhances the appearance aesthetics as an indoor visible keel.

Description

T-shaped steel keel horizontal and vertical frame connection structure

technical field

The utility model relates to a curtain wall supporting keel, in particular to a T-shaped steel keel horizontal and vertical frame connection structure used as an indoor visible keel of a curtain wall.

Background technique

At present, the design of the supporting keel of the curtain wall mostly adopts the traditional aluminum alloy profile or steel pipe connection structure, and generally uses the assembly method of corner connection or welding. For the sake of aesthetics, people hope that the appearance of the indoor keel of the curtain wall can achieve a slender, transparent, and strong visual effect. The advent of the T-shaped steel keel just meets this requirement. The notification number is CN201546355U's "frame type T-shaped steel keel curtain wall structure support system", which records a non-welded screw-connected frame structure including horizontal and vertical T-shaped main and secondary keels, fixed pins and connecting plates. However, the defect of this structure is firstly that the horizontal and vertical T-shaped steel main and secondary keel connections need to be installed in an orderly manner, that is, the vertical keel must be installed first, and then the horizontal keel adjacent to the vertical keel must be installed in sequence; the second defect The cross position of the T-shaped steel is connected by patch steel plates, which is not only cumbersome to connect, but also affects the visual effect; the third defect is that the T-shaped steel combination adopts the form of full screw connection of steel plates, and the strength of the keel at the position where the wind load is greater cannot meet the engineering requirements; The fourth defect is that the indoor visible position of the T-shaped steel keel end cannot be neat and consistent, and the aesthetics of the T-shaped steel as an indoor visible keel cannot be guaranteed. In the "T-shaped steel curtain wall keel" with the notification number CN203160477U, the disclosed structural features include columns and beams using T-shaped steel curtain wall keels, and through installing pin shafts on the columns and inserting them into the T-shaped beam webs. A frame structure in which the cutouts on both sides of the wing plate of the T-shaped beam are welded to the side wall of the column on the groove. However, the first defect of this structure is that the welding of the flange cutout of the T-shaped steel beam and the side wall of the column will deform the T-shaped steel, thereby affecting the flatness after installation; the second defect is that the positioning of a pin will produce a large Installation errors, the accumulation of errors will cause the installation quality of the entire project. The third defect is that the strength of the keel where the connection strength of a pin encounters a large wind load cannot meet the engineering requirements. Therefore, the connecting structure of the existing T-shaped steel keel needs to be improved.

Utility model content

The purpose of this utility model is to provide a T-shaped steel keel horizontal and vertical frame connection structure, which solves the problems that the deformation of the existing T-shaped steel keel due to overall welding and the strength of the position where the wind load is relatively large cannot meet the engineering requirements, and its structural design is reasonable. The operation is simple and fast, and the connection is reliable and regular, which not only reduces the cost, improves the operation efficiency, but also meets the engineering requirements for the strength of the keel, and at the same time enhances the overall appearance of the indoor visible keel.

The technical solution adopted by the utility model is: the T-shaped steel keel horizontal and vertical frame connection structure includes a T-shaped steel keel horizontal frame composed of a horizontal frame end plate and a horizontal frame rib plate, and a vertical frame end plate and a vertical frame rib plate. The T-shaped steel keel mullion and the pins connecting the T-shaped steel keel and the mullion ribs, the technical points are: the profiles of the T-shaped steel keel, the mullion ribs and the end plates are cold-rolled steel plates of equal thickness, The connection process holes and positioning pins are arranged at intervals along the length direction of the T-shaped steel keel transverse and mullion end plates; two horizontal blind holes with built-in springs are respectively provided at both ends of the adjacent T-shaped steel keel transverse frame ribs. Two through holes are set on the keel mullion floor, so that the axis of the horizontal blind hole and the axis of the through hole are on the same axis, and the T-shaped steel keels are centered and connected by the pins passing through the through holes of the T-shaped steel keel mullion floor. Horizontal blind holes at the end of the transverse frame ribs, so that the inner surfaces of the two T-shaped steel keel transverse frame ribs connected with the T-shaped steel keel The outer surfaces of the end plates of the transverse frame of the T-shaped steel keel are on the same plane.

The profile adopts the T-shaped steel keel mullion end plate and rib plate of equal thickness cold-rolled steel plate and the width dimension of the transverse frame end plate and rib plate is consistent,

The centerlines of the connection process holes and positioning pins arranged on the end plates of the T-shaped steel keel and mullion are facing the centerline of the T-shaped steel keel in the thickness direction of the ribs of the mullion.

The surface of the cold-rolled steel plate is treated with fluorocarbon spraying as the profile of the T-shaped steel keel, mullion rib and end plate.

Set the end plate transfer welding spot at the end plate transfer position of the horizontal and vertical frames of the T-shaped steel keel.

The advantages and positive effects of the utility model are: since the profiles of the T-shaped steel keel and mullion ribs and end plates of the utility model adopt cold-rolled steel plates of equal thickness, the interconnected T-shaped steel keel and mullion can be The inner surface of each rib plate is on the same plane, and the outer surface of each end plate is on the same plane, so its structural design is reasonable, and the visible position of the indoor T-shaped steel keel is neat and consistent; because it is installed on the horizontal and vertical frames The spaced connection process holes and positioning pins on the end plates are welded together with their respective ribs, thus effectively preventing the deformation of the T-shaped steel keel due to welding, thereby ensuring the overall flatness after installation; due to the use of the profiles with the above structural characteristics , can be combined into T-shaped steel keel horizontal frame and vertical frame respectively in the factory, and use two pins passing through the through holes of the T-shaped steel keel vertical frame rib plate to center and connect the two built-in springs at the end of the T-shaped steel keel horizontal frame rib plate respectively. There are two horizontal blind holes, so it completely overcomes the large installation error caused by the positioning of the existing T-shaped steel keel with a pin, and the accumulation of errors will cause the installation quality of the entire project and other problems. Therefore, its operation is simple and quick, and it is easy to achieve the purpose of reliable keel connection and overall regularity. Since the blind holes at both ends of the adjacent T-shaped steel keel transverse frame ribs are equipped with springs, the pins passing through the through holes of the T-shaped steel keel mullion ribs can be placed in the holes at any end of the transverse frame ribs, so the change The operation method that the existing ribs must be installed sequentially along the end with the spring to the end without the spring. This not only simplifies the processing process, but also enables disorderly installation operations, which not only reduces costs, improves work efficiency, but also meets the engineering requirements for keel strength, and at the same time enhances the overall appearance of the indoor visible keel. Therefore, the utility model fundamentally solves the problems that the deformation of the existing T-shaped steel keel due to overall welding and the strength of the position where the wind load is relatively large cannot meet the engineering requirements.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is a schematic diagram of an indoor structure of the utility model;

Fig. 2 is a sectional view along line A-A of Fig. 1;

Fig. 3 is a sectional view along line BB of Fig. 1;

Fig. 4 is an exploded schematic view of the three-dimensional structure of Fig. 1;

Fig. 5 is a sectional view of the T-shaped steel keel horizontal frame in Fig. 1;

Fig. 6 is the cross-sectional view of the T-shaped steel keel mullion in Fig. 1;

Fig. 7 is a schematic diagram of spot welding positions of the assembly structure of Fig. 4;

Fig. 8 is the structural representation that the T-shaped steel keel mullion in Fig. 7 has the elongated connection process hole.

Description of serial numbers in the figure: 1 mullion end plate, 2 mullion rib, 3 transverse frame end plate, 4 transverse frame rib, 5 waist-shaped connection process hole, 6 horizontal blind hole, 7 spring, 8 pin, 9 through hole , 10 positioning pins, 11 end plate handover solder joints, 12 strip-shaped connection process holes.

Detailed ways

The specific structure of the utility model is explained in detail according to Fig. 1-8. The T-shaped steel keel horizontal and vertical frame connection structure includes a T-shaped steel keel horizontal frame connected by a horizontal frame end plate 3 and a horizontal frame rib 4, and a T-shaped steel keel connected by a mullion end plate 1 and a mullion rib 2. Mullion, and parts such as the pin 6 that connects T-shaped steel keel horizontal, mullion rib plate 4,2. Among them, the profiles of mullion end plate 1, mullion rib plate 2, horizontal frame end plate 3, and transverse frame rib plate 4 of the T-shaped steel keel are all made of cold-rolled steel plates with good appearance quality and good straightness. In this embodiment, The profile is made of Q235 cold-rolled steel plate. In order to ensure the corrosion resistance of the profile, the cold-rolled steel plate is degreased, derusted, and deburred, and the surface is treated with fluorocarbon spraying, which is used as the profile of the T-shaped steel keel cross, mullion ribs 4, 2 and end plates 3, 1. The T-shaped steel keel mullion end plate 1 and the horizontal frame end plate 3 of which the profile adopts cold-rolled steel plates of equal thickness keep the same width and dimension, and the width and dimension of the mullion rib 2 and the horizontal frame rib 4 keep the same, so as to ensure the overall T-shaped steel keel Aesthetics. In this embodiment, connection process holes and positioning pins 10 are arranged at intervals along the length direction of the transverse and vertical frame end plates 3 and 1 of the T-shaped steel keel respectively, so as to realize the assembled connection structure. The connection process hole can be set as a waist-shaped connection process hole 5 according to actual needs, so as to avoid the deformation of the T-shaped steel keel or the defect of poor appearance quality caused by the long weld seam of traditional welding. In order to meet the strength requirements of the T-shaped steel keel at the position where the wind load is greater in the project corresponding to the connection between the layers and the civil structure, the connection process hole 5 on the web plate of the T-shaped steel keel can be set as a long strip-shaped connection process hole 5 Connect the process hole 12.

The centerlines of the waist-shaped connection process hole 5, the strip-shaped connection process hole 12 and the positioning pin 10 are facing the centerlines of the T-shaped steel keel transverse and mullion ribs 4,2 thickness directions. The positioning pin 10, the waist-shaped connection process hole 5, and the strip-shaped connection process hole 12 are used to combine the T-shaped steel keel mullion end plate 1 and the mullion rib plate 2, and to combine the T-shaped steel keel horizontal frame end plate 3 and the horizontal frame The pre-positioned connection pins of the ribs 4 and the welding process holes fixed after connection; only by adopting the above structure can it be possible to ensure the strength of the T-shaped steel keel and the overall appearance of the T-shaped steel keel.

Two through-holes 9 are opened on the positions of the mounting pins 8 of the mullion ribs 2 corresponding to the horizontal frame ribs 4; the selected pins 8 are made of stainless steel to ensure the corrosion resistance of the connection. The selected spring 7 generally needs to determine its elastic deformation modulus through calculation. The two ends of adjacent T-shaped steel keel horizontal frame ribs 4 are respectively provided with two horizontal blind holes 6 with built-in springs 7, and two through holes 9 are set on the T-shaped steel keel mullion ribs 2, so that the horizontal blind holes 6 The axis is on the same axis as the axis of the through hole 9 . Utilize the pins 8 that pass through the through holes 9 of the T-shaped steel keel mullion ribs 2, respectively center and connect the horizontal blind holes 6 of the built-in springs 7 at the ends of the T-shaped steel keel horizontal frame ribs 4, so that they are aligned with the T-shaped steel keel mullion ribs. The inner surfaces of the two T-shaped steel keel transverse frame ribs 4 connected with 2 are on the same plane, and the outer surfaces of the two T-shaped steel keel transverse frame end plates 3 connected with the T-shaped steel keel mullion end plate 1 are on the same plane.

The mullion end plate 1 and the transverse frame end plate 3, the mullion rib 2 and the transverse frame rib 4 of the T-shaped steel keel can be pre-assembled in the factory to simplify the on-site installation workload. First, on the mullion end plate 1 and the horizontal frame end plate 3, process the waist-shaped connection process holes 5 with a length of 50 mm × 12 mm and a distance of 200 mm, and connect the vertical frame At the two ends of the end plate 3 and the transverse frame rib plate 4 along the direction of the center line of the plate, 10 positioning pins are provided respectively, and the pre-assembled T-shaped steel keel is assembled and positioned, and then the mullion end plate is connected through the waist-shaped connection process hole 5. 1 and the welding combination of the mullion rib 2 and the welding combination of the transverse frame end plate 3 and the transverse frame rib 4. In this way, the deformation problem caused by the traditional full-length weld at the steel plate interface can be avoided, and the strength of the T-shaped steel keel assembled after welding through the process hole can be guaranteed, and the appearance effect of the T-shaped steel keel can also be guaranteed. For the welding of the T-shaped steel keel at the connection part with the civil structure, it is necessary to use a long hole with a length of 500-700mm to connect the process hole 12 to ensure that the T-shaped steel will not be deformed due to the connection with the civil structure.

When the construction work is connected, the disorderly installation of the T-shaped steel keel horizontal frame and the mullion can be realized: after all the T-shaped steel keel mullions are installed, the T-shaped steel horizontal frame can be selectively installed. When installing, first press the spring 7 and the pin 8 into the through hole 6 of the mullion rib plate 2, slide the T-shaped steel keel horizontal frame to the installation position from top to bottom, and then the pin 8 is automatically snapped into the T-shaped steel keel mullion rib In the through hole 6 of the plate 2, after the installation is in place, in order to increase the connection strength of the T-shaped steel keel horizontal and vertical frame, the end plate transfer welding spot 11 can also be set at the T-shaped steel keel horizontal and vertical frame end plate 3, 1 handover position. The four corners of the horizontal and vertical frame end plates 3 and 1 are spot welded.

Claims (5)

1. T-steel keel frame connecting structure anyhow, comprise the horizontal frame of T-steel keel be combined into by horizontal frame end plate, horizontal frame floor, the T-steel keel munnion be combined into by munnion end plate, munnion floor, and the pin of the horizontal, vertical frame floor of connecting T-shaped steel joist, it is characterized in that: the section bar of the horizontal, vertical frame floor of described T-steel keel and end plate adopts the cold-rolled steel sheet of uniform thickness, and the length direction interval respectively along the horizontal, vertical frame end plate of T-steel keel arranges Joining Technology hole and alignment pin, the two ends of adjacent T-steel keel horizontal frame floor are respectively equipped with two horizontal blind holes of built-in spring, T-steel keel munnion floor arranges two through holes, make the axis of the axis of horizontal blind hole and through hole on the same axis, utilize the pin through T-steel keel munnion floor through hole, the horizontal blind hole of centering connecting T-shaped steel joist horizontal frame floor end respectively, make the inner surface of the horizontal frame floor of two T-steel keel be connected with T-steel keel munnion floor at grade, with the outer surface of the horizontal frame end plate of two T-steel keel of T-steel keel munnion end plate connection at grade.

2. T-steel keel according to claim 1 frame connecting structure anyhow, is characterized in that: the width dimensions of the described T-steel keel munnion end plate of the thick cold rolled steel sheets such as section bar employing, floor and horizontal frame end plate, floor is consistent.

3. T-steel keel according to claim 1 frame connecting structure anyhow, is characterized in that: be arranged on the center line of Joining Technology hole on described T-steel keel horizontal, vertical frame end plate and alignment pin just to the center line of T-steel keel horizontal, vertical frame floor thickness direction.

4. T-steel keel according to claim 1 frame connecting structure anyhow, is characterized in that: surface of cold-rolled steel plate carries out the section bar of fluorocarbon-sprayed process as the horizontal, vertical frame floor of described T-steel keel and end plate.

5. T-steel keel according to claim 1 frame connecting structure anyhow, is characterized in that: T-steel keel anyhow frame end plate delivery position arrange end plate handing-over solder joint.