CN215670394U

CN215670394U - Curtain wall keel connection and installation construction node thereof

Info

Publication number: CN215670394U
Application number: CN202122880168.4U
Authority: CN
Inventors: 张腾; 陈希阳; 程习刚; 徐子涵; 芮雨; 史亚彬; 陶红星
Original assignee: Beijing Urban Construction Group Co Ltd
Current assignee: Beijing Urban Construction Group Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-01-28
Anticipated expiration: 2031-11-23

Abstract

A curtain wall keel connection and installation construction node comprises a steel framework arranged outside a main body, transverse main keels fixed on the steel framework, and oblique keels arranged on the transverse main keels at transverse intervals, wherein each transverse main keel comprises a plurality of transverse keel short sections butted and spliced into a linear keel, each oblique keel comprises a plurality of oblique keel short sections connected between upper and lower adjacent transverse main keels, and the adjacent transverse keel short sections are spliced through U-shaped connecting pieces; horizontal keel nipple joint both ends are horizontal keel stiff end and the flexible end of horizontal keel respectively, and U type connecting piece both sides riser all includes fixed connection end and swing joint end, and swing joint is served and is equipped with the strip through-hole along horizontal keel nipple joint length direction, and the swing joint end passes through the strip through-hole and the bolt is connected with the flexible end of horizontal keel, and fixed connection end and horizontal keel stiff end welding increase curtain fossil fragments displacement bearing capacity.

Description

Curtain wall keel connection and installation construction node thereof

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a curtain wall keel connection and installation construction node thereof.

Background

Curtain walls appear in the 20 th century from the 80 th year, the curtain wall industry is formed in the 90 th year, the curtain wall entering the industry at first is not a building company but an airplane manufacturing company, the curtain wall is familiar with aluminum alloy materials but is unfamiliar with steel structures, the curtain wall is mainly applied to office buildings and hotels at that time, the floor height is generally 3-4 m, and the stress requirement can be completely met by adopting the aluminum alloy sections, so that the curtain wall industry has the consensus that the curtain wall only adopts the aluminum alloy structure instead of the steel structure, and the curtain wall is generally called as the aluminum alloy building curtain wall or the aluminum alloy glass curtain wall at that time.

In the 21 st century, a steel structure is widely applied to curtain wall engineering, and accordingly the practical problem of connection between a vertical keel and a transverse keel in the curtain wall engineering is caused, the connection between the vertical keel and the transverse keel of the curtain wall in the conventional technology is usually connected through an angle code, a screw or a bolt, the bolt and angle code connection in the conventional method has strict requirements on-site installation precision, on-site paying-off is required, the bolt is difficult to install due to slight error, the construction steps are complicated, the construction difficulty of the on-site working procedure is increased, construction is carried out through the connection form of the bolt and the like in the conventional method, the requirements on the precision of the position positioning of the installation bolt, the angle code or the screw are strict, if the on-site alignment is not correct, construction measures such as reaming and the like are involved, the connection between the keels is also affected by heat and cold shrinkage, and has unstable phenomenon, and has certain influence on-site construction quality, and the connection through the conventional method has certain influence on the installation quality of the curtain wall panel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a curtain wall keel connection and an installation construction node thereof, and solves the technical problems that the installation construction steps of curtain wall keels are complicated, and the keel short section connection is unsafe and stable due to the influence of thermal expansion and cold contraction.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a curtain wall keel connection and installation construction node comprises a steel framework arranged outside a main body, transverse main keels fixed on the steel framework, and oblique keels arranged on the transverse main keels at transverse intervals, wherein each transverse main keel comprises a plurality of transverse keel short sections butted and spliced into a linear keel, each oblique keel comprises a plurality of oblique keel short sections connected between upper and lower adjacent transverse main keels, the adjacent transverse keel short sections are spliced through U-shaped connecting pieces, and expansion joints are formed between the transverse keel short sections at the U-shaped connecting pieces at certain intervals; the two ends of the transverse keel short section are respectively a transverse keel fixed end and a transverse keel telescopic end, the notch of the U-shaped connecting piece is arranged towards the steel skeleton and comprises a bottom plate and two side vertical plates, the two side vertical plates comprise a fixed connecting end and a movable connecting end, a strip-shaped through hole is formed in the movable connecting end along the length direction of the transverse keel short section, the movable connecting end is connected with the transverse keel telescopic end through the strip-shaped through hole and a bolt, and the fixed connecting end is welded with the transverse keel fixed end; the top surface of the transverse main keel is provided with an insertion rod, the lower end face of the insertion rod is welded on the transverse main keel, the lower end of the short section of the oblique keel is sleeved outside the insertion rod, and the upper end face of the short section of the oblique keel is welded with the bottom surface of the transverse main keel above the oblique keel.

Furthermore, be equipped with the connecting piece of encorbelmenting between horizontal main joist and the steel skeleton, the connecting piece one end of encorbelmenting is fixed on the steel skeleton, and the connecting piece other end of encorbelmenting is fixed in the horizontal fossil fragments stiff end side of horizontal fossil fragments nipple joint.

Furthermore, be equipped with on the side that the horizontal keel nipple joint is close to the steel skeleton direction and strengthen the square steel, strengthen the square steel side and fix with horizontal keel nipple joint side, strengthen square steel one end with the connecting piece of encorbelmenting is fixed, strengthen the square steel other end with the flexible end port parallel and level of horizontal keel.

Further, U type connecting piece is 10mm thick steel sheet bending type, and U type connecting piece width is 400mm, and the expansion joint width is 20mm, and U type connecting piece uses the expansion joint central line to divide equally as the bisector the clamp at the cross keel stiff end and the cross keel flexible end of the cross keel nipple joint of two relative concatenations.

Furthermore, the strip-shaped through holes are parallel to each other, two through holes with parallel and level ends are formed in the length direction of the short section of the transverse keel, and two threaded holes corresponding to the strip-shaped through holes are formed in the telescopic end of the transverse keel.

Furthermore, the two end faces of the oblique keel short section and the lower end face of the insertion rod are inclined planes with the same gradient, the included angle between the insertion rod and the oblique keel short section and the transverse main keel is 60-80 degrees, and the length of the insertion rod is 120-170 mm.

Furthermore, the distance between the adjacent transverse main keels is 3800-4200 mm, and the distance between the adjacent oblique columns and the oblique keels is 800-1000 mm.

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

the utility model provides a moving space along the length direction of the transverse main keel at the position of the strip-shaped through hole by connecting the telescopic end of the transverse keel short section with the movable connecting end of the U-shaped connecting piece through a bolt at the position of the strip-shaped through hole when the transverse main keel expands with heat and contracts with cold, thereby realizing the transverse telescopic effect of the transverse main keel, increasing the transverse displacement bearing capacity of the transverse main keel, avoiding the unstable phenomenon of weld cracking caused by expansion with heat and contraction with cold, increasing the connecting strength between the transverse main keel and the overhanging connecting piece while enhancing the structural strength of the transverse main keel by arranging the reinforced square steel at the position of the transverse keel short section close to the side surface of the building main body and welding and fixing one end of the reinforced square steel with the overhanging connecting piece, and providing the moving space of the oblique keel along the length direction by movably connecting the lower end of the oblique keel short section on the inserting rod, the structure stability is enhanced, the whole structure is simple, the construction is convenient, the construction difficulty is reduced and the construction efficiency is increased while the safety is ensured, the method has the characteristics of safety, applicability and the like, and has good popularization and practical value, and good economic benefits can be generated after the method is widely popularized and applied.

Drawings

FIG. 1 is a schematic structural view of a transverse main keel and an overhanging joint member of the utility model;

FIG. 2 is a schematic view of the connection structure of the oblique keel and the transverse main keel according to the utility model;

fig. 3 is a cross-sectional view taken at a-a in fig. 1.

Reference numerals: 1. a steel skeleton; 2. a transverse main keel; 21. a transverse keel short section; 211. a transverse keel fixing end; 212. a telescopic end of the cross keel; 3. an oblique keel; 31. a short section of the oblique keel; 4. an expansion joint; 5. a U-shaped connecting piece; 51. fixing the connecting end; 52. a movable connecting end; 6. strip-shaped through holes; 7. a plug rod; 8. a cantilever connecting piece; 9. and (5) reinforcing square steel.

Detailed Description

In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

As shown in figure 1, the utility model discloses a curtain wall keel connection and installation construction node, which comprises a steel framework 1 outside a main body, transverse main keels 2 fixed on the steel framework 1 and oblique keels 3 connected between the transverse main keels 2, wherein the transverse main keels 2 are 180mm 4.5mm square steel, the oblique keels 3 are 100mm 50mm 4mm square steel, the distance between adjacent transverse main keels 2 is 3800-4200 mm, the distance between adjacent oblique main keels 3 is 800-1000 mm, the transverse main keels 2 comprise a plurality of transverse keel short sections 21 butted and spliced into a linear keel, the two ends of each transverse keel short section 21 are respectively a transverse keel fixed end 211 and a transverse keel telescopic end 212, the transverse keel telescopic ends 212 are provided with two threaded holes, the transverse keel fixed ends 211 of each transverse keel short section 21 are spliced with the transverse keel telescopic ends 212 of the other transverse keel short sections 21 oppositely, the cross keel pipe nipple 21 port of relative concatenation is equipped with expansion joint 4 between, and the 4 width in expansion joint is 20mm, and slant fossil fragments 3 include a plurality of oblique keel pipe nipples 31 of being the sharp connection between horizontal main joist 2.

As shown in figure 1, a U-shaped connecting piece 5 is arranged between two oppositely spliced cross keel short sections 21, the U-shaped connecting piece 5 comprises a bottom plate and two side vertical plates, the two side vertical plates comprise a fixed connecting end 51 and a movable connecting end 52, the U-shaped connecting piece 5 is formed by bending a 10mm thick steel plate, the width of the U-shaped connecting piece 5 is 400mm, the cross keel short sections 5 are equally clamped at the cross keel fixed end 211 and the cross keel telescopic end 212 of the two oppositely spliced cross keel short sections 21 by taking the central line of an expansion joint 4 as a bisector, the two vertical plates of the U-shaped connecting piece 5 are tightly attached to the top surface and the bottom side surface of the cross keel short section 21, the transverse plate of the U-shaped short section connecting piece 5 is tightly attached to the outer side surface of the cross keel short section 21, two strip through holes 6 along the length direction of the cross keel short section 21 are arranged in parallel at the positions corresponding to the threaded holes of the cross keel telescopic end 212 on the movable connecting end 52, the movable connecting end 52 is connected with the cross keel telescopic end 212 of the cross keel short section 21 through stainless steel bolts, the fixed connecting end 51 is welded and fixed with the transverse keel fixed end 211 of the adjacent transverse keel short section 21, a movable space along the length direction of the transverse main keel 2 is provided at the position of the strip-shaped through hole 6 when the transverse main keel 2 expands with heat and contracts with cold in a mode that the transverse keel telescopic end 212 of the transverse keel short section 21 is connected with the movable connecting end 52 of the U-shaped connecting piece 5 through a bolt at the position of the strip-shaped through hole 6, so that the transverse telescopic effect of the transverse main keel 2 is realized, the transverse displacement bearing capacity of the transverse main keel 2 is increased, and the unstable phenomenon of welding seam cracking caused by expansion with heat and contraction with cold in the mutual welding of the adjacent transverse keel short sections 21 is avoided; the cantilever connecting piece 8 is arranged between the transverse main keel 2 and the steel skeleton 1, the cantilever connecting piece 8 is 150mm 10 square steel, two ends of the cantilever connecting piece 8 are respectively and vertically welded and fixed on the steel skeleton 1 and the lateral keel fixed end 211 of the lateral keel short section 21 close to the side of the building main body, the cantilever connecting piece 8 supports and fixes the transverse main keel 2, the lateral keel short section 21 close to the side of the building main body is parallelly welded and fixed with a reinforced square steel 9, the side of the reinforced square steel 9 is welded and fixed with the lateral side of the lateral keel short section 21, one end of the reinforced square steel 9 is welded and fixed on the cantilever connecting piece 8, the other end of the reinforced square steel 9 is flush with the port of the lateral telescopic end 212 of the lateral keel short section 21, the reinforced square steel 9 is arranged on the lateral side of the lateral keel short section 21 close to the building main body, one end of the reinforced square steel 9 is welded and fixed with the cantilever connecting piece 8, the structural strength of the transverse main keel 2 is enhanced, and the connecting strength between the cantilever connecting piece 8 is increased, and the connection stability between the transverse main keel 2 and the steel framework 1 is enhanced.

As shown in figure 2, two ends of a short section 31 of the oblique keel are connected between adjacent transverse main keels 2, an insertion rod 7 is arranged on the top surface of each transverse main keel 2, two end surfaces of the short section 31 of the oblique keel and the lower end surface of the insertion rod 7 are inclined planes with the same gradient, the lower end surface of the insertion rod 7 is welded and fixed on the transverse main keel 2, the length of the insertion rod 7 is 150mm, the lower end of the short section 31 of the oblique keel is sleeved on the insertion rod 7, the upper end of the short section 31 of the oblique keel is welded and fixed with the upper transverse main keel 2, an included angle between the insertion rod 7 and the short section 31 of the oblique keel and the transverse main keel 2 is 60-80 degrees, through the connection mode that the lower end of the short section 31 of the oblique keel is sleeved on the insertion rod 7 and movably connected with the transverse main keel 2, a moving space along the length direction of the oblique keel 3 is provided at the position of the insertion rod 7 when the oblique keel 3 is expanded with heat and contracted with cold, the telescopic effect of the oblique keel 3 is realized, and the displacement bearing capacity of the oblique keel 3 is increased, the unstable phenomenon of weld joint cracking caused by expansion with heat and contraction with cold when the oblique keel 3 and the transverse main keel 2 are welded is avoided.

During the use, will encorbelment 8 welding of connecting piece at 1 preset position of steel skeleton, with the horizontal keel stiff end 211 of horizontal

keel nipple joint

21 and 8 welded fastening of the connecting piece of encorbelmenting, through 5 clamps of U type connecting piece between horizontal keel nipple joint 21, the swing joint end 52 of U type connecting piece 5 passes the screw hole through stainless steel bolt in 6 positions of strip through-hole and is connected with the flexible end 212 of horizontal keel nipple joint 21, fixed connection end 51 is connected with the horizontal keel stiff end 211 welded fastening of adjacent horizontal keel nipple joint 21, horizontal keel nipple joint 21 is close to building main part side welding enhancement square steel 9, then welding peg graft rod 7 on 2 top surfaces of horizontal main joist, with the end cover under the oblique keel nipple joint 31 on peg rod 7, the welding of upper end and 2 bottom surfaces of the horizontal main joist in top.

The utility model provides a moving space along the length direction of the transverse main keel at the position of the strip-shaped through hole by connecting the telescopic end of the transverse keel short section with the movable connecting end of the U-shaped connecting piece through a bolt at the position of the strip-shaped through hole when the transverse main keel expands with heat and contracts with cold, thereby realizing the transverse telescopic effect of the transverse main keel, increasing the transverse displacement bearing capacity of the transverse main keel, avoiding the unstable phenomenon of weld cracking caused by expansion with heat and contraction with cold, increasing the connecting strength between the transverse main keel and the overhanging connecting piece while enhancing the structural strength of the transverse main keel by arranging the reinforced square steel at the position of the transverse keel short section close to the side surface of the building main body and welding and fixing one end of the reinforced square steel with the overhanging connecting piece, and providing the moving space of the oblique keel along the length direction by movably connecting the lower end of the oblique keel short section on the inserting rod, the structure stability is enhanced, the whole structure is simple, the construction is convenient, the construction difficulty is reduced and the construction efficiency is increased while the safety is ensured.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 curtain fossil fragments are connected and construction joint is installed thereof, includes steel skeleton (1) that sets up outside the main part, fixes horizontal main joist (2) on steel skeleton (1), and horizontal interval sets up slant fossil fragments (3) on horizontal main joist (2), and horizontal main joist (2) include a plurality of butt joints and piece into horizontal fossil fragments nipple joint (21) of linear type fossil fragments, and slant fossil fragments (3) include oblique fossil fragments nipple joint (31) of a plurality of connections between adjacent horizontal main joist (2) from top to bottom, its characterized in that: the adjacent transverse keel short sections (21) are spliced through a U-shaped connecting piece (5), and an expansion joint (4) is formed between the transverse keel short sections (21) at the U-shaped connecting piece (5) at a certain interval; the steel frame structure comprises a steel framework (1), a U-shaped connecting piece (5), a bottom plate, two side vertical plates, a movable connecting end (52), a transverse keel fixing end (211) and a transverse keel telescopic end (212) are arranged at two ends of the transverse keel short section (21) respectively, the notch of the U-shaped connecting piece (5) is arranged towards the steel framework (1) and comprises the bottom plate and the two side vertical plates, the two side vertical plates respectively comprise a fixed connecting end (51) and the movable connecting end (52), a strip through hole (6) is formed in the movable connecting end (52) along the length direction of the transverse keel short section (21), the movable connecting end (52) is connected with the transverse keel telescopic end (212) through the strip through hole (6) and a bolt, and the fixed connecting end (51) is welded with the transverse keel fixing end (211); the top surface of the transverse main keel (2) is provided with an insertion rod (7), the lower end surface of the insertion rod (7) is welded on the transverse main keel (2), the lower end of the oblique keel short section (31) is sleeved outside the insertion rod (7), and the upper end surface of the oblique keel short section is welded with the bottom surface of the transverse main keel (2) above.

2. The curtain wall keel connection and installation construction joint as claimed in claim 1, wherein: be equipped with between horizontal main joist (2) and steel skeleton (1) and encorbelment connecting piece (8), encorbelment connecting piece (8) one end is fixed on steel skeleton (1), and the horizontal fossil fragments stiff end (211) side at horizontal fossil fragments nipple joint (21) is fixed to the connecting piece (8) other end of encorbelmenting.

3. The curtain wall keel connection and installation construction joint as claimed in claim 2, wherein: be equipped with on the side that horizontal keel nipple joint (21) is close to steel skeleton (1) direction and strengthen square steel (9), strengthen square steel (9) side and horizontal keel nipple joint (21) side fixed, strengthen square steel (9) one end with it is fixed to encorbelment connecting piece (8), strengthen the square steel (9) other end with horizontal keel expansion end (212) port parallel and level.

4. The curtain wall keel connection and installation construction joint as claimed in claim 1, wherein: u type connecting piece (5) are the shaping of buckling of 10mm thick steel sheet, and U type connecting piece (5) width is 400mm, and expansion joint (4) width is 20mm, and U type connecting piece (5) use expansion joint (4) central line to divide equally the horizontal keel stiff end (211) and the flexible end (212) of horizontal keel nipple joint (21) of clamp in two relative concatenations as the bisector.

5. The curtain wall keel connection and installation construction joint as claimed in claim 1, wherein: the strip-shaped through holes (6) are parallel to each other, two through holes with two parallel and level ends are formed in the length direction of the transverse keel short section (21), and two threaded holes corresponding to the strip-shaped through holes (6) in position are formed in the telescopic end (212) of the transverse keel.

6. The curtain wall keel connection and installation construction joint as claimed in claim 1, wherein: the inclined keel short section structure is characterized in that the two end faces of the inclined keel short section (31) and the lower end face of the inserting rod (7) are inclined planes with the same gradient, the included angle between the inserting rod (7) and the inclined keel short section (31) and the transverse main keel (2) is 60-80 degrees, and the length of the inserting rod (7) is 120-170 mm.

7. The curtain wall keel connection and installation construction joint as claimed in any one of claims 1-6, wherein: the distance between the adjacent transverse main keels (2) is 3800-4200 mm, and the distance between the adjacent oblique keels (3) is 800-1000 mm.