CN215368613U - Shaped steel hangs outrigger external corner construction structures - Google Patents
Shaped steel hangs outrigger external corner construction structures Download PDFInfo
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- CN215368613U CN215368613U CN202120205014.2U CN202120205014U CN215368613U CN 215368613 U CN215368613 U CN 215368613U CN 202120205014 U CN202120205014 U CN 202120205014U CN 215368613 U CN215368613 U CN 215368613U
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Abstract
The utility model relates to a structural steel cantilever frame external corner construction structure, belonging to the technical field of cantilever scaffold construction, comprising cantilever beams fixed on the top plate, positioned on two sides of the external corner part of the structural wall body and vertical to the structural wall body, a tie beam positioned on the cantilever beam and a support truss for supporting the tie beam, wherein the cantilever beam comprises a first steel beam on one side of the external corner part and a second steel beam on the other side, the second steel beam is erected on the first steel beam, and the tie beam is fixed on the cantilever section of the first steel beam and parallel to the second steel beam; the supporting trusses are fixed on two sides of the external corner of the structural wall. The utility model provides a construction structures all arranges with structural wall body is perpendicular at the cantilever beam at structural wall body external corner position, need not to increase the length of encorbelmenting of cantilever beam and increase the specification of cantilever beam, and the construction is simple, and the stability of tie beam can be guaranteed in setting up of braced truss.
Description
Technical Field
The application relates to the field of scaffold frame construction of encorbelmenting, especially relate to a shaped steel cantilever frame external corner construction structures.
Background
The scaffold that encorbelments is the scaffold for the construction that the bearing structure that utilizes to encorbelment on the building was set up, and the support body of the scaffold that encorbelments can be followed building vertical direction segmentation and encorbelmented, can satisfy the demand that the not outer scaffold of co-altitude set up. The overhanging scaffold makes up the limitation of the building height of the floor scaffold, is simple and convenient compared with a lifting scaffold construction process, and is more and more widely applied along with the increasing of high-rise buildings.
The overhanging scaffold mainly comprises an overhanging frame and a fastener type steel pipe scaffold, the overhanging frame is used as a bearing structure, an overhanging steel beam is arranged on the outer edge of the building, and the fastener type steel pipe scaffold is arranged on the overhanging steel beam. In order to strengthen the structure of the cantilever frame, the cantilever steel beams are lapped with steel tie beams which are connected with the cantilever steel beams in a crossed mode. The cantilever frame mostly adopts profile steel as a cantilever beam and a tie beam.
Stress of the profile steel cantilever frame at the external corner is a key point and a weak point which affect the stability of the whole cantilever frame, and the traditional method is to adopt a radial oblique steel beam at the external corner, so that the cantilever length of the steel beam at the external corner relative to the steel beam of a vertical structure wall is increased, the construction difficulty is increased, and particularly when an angle column exists at the external corner, the cantilever beam needs to leave the angle column, and the stability is reduced.
SUMMERY OF THE UTILITY MODEL
In order to reduce the construction degree of difficulty at the external corner department of overhanging frame, guarantee the stability of the system of encorbelmenting, improve factor of safety, this application provides a shaped steel cantilever frame external corner construction structures.
The application provides a shaped steel cantilever frame external corner construction structures adopts following technical scheme:
a structural steel cantilever frame external corner construction structure comprises cantilever beams, a tie beam and a support truss, wherein the cantilever beams are fixed on a top plate, are positioned on two sides of an external corner part of a structural wall body and are vertical to the structural wall body, the tie beam is positioned on the cantilever beams, the support truss supports the tie beam, the cantilever beams comprise a first steel beam on one side of the external corner part and a second steel beam on the other side of the external corner part, the second steel beam is erected on the first steel beam, and the tie beam is fixed on an overhanging section of the first steel beam and is parallel to the second steel beam; the supporting trusses are fixed on two sides of the external corner of the structural wall.
Through adopting above-mentioned technical scheme, when the construction of the external corner department of cantilever frame, utilize mutually perpendicular's first girder steel and second girder steel to form cantilever beam basis, later fixed tie beam on first girder steel, fix the bottom sprag that forms the tie beam on structural wall with the braced truss, guarantee the stability of tie beam, construction convenience need not to increase the length of encorbelmenting of cantilever beam in external corner department.
Preferably, the support truss includes the body frame and is located the reinforcement of the adjacent frame of body frame in-connection body frame, the body frame is close to the vertical setting of frame of structure wall body and utilizes fixed subassembly to fix on the structure wall body, the top frame of body frame is kept away from the fixed connecting piece that is provided with and is connected with the tie beam relatively of one end of structure wall body.
Through adopting above-mentioned technical scheme, the body frame forms the main part that the tie beam supported, and the reinforcement improves the intensity of body frame, and the connecting piece is used for remedying the difference in height between tie beam and the body frame.
Preferably, the main frame is triangular.
Through adopting above-mentioned technical scheme, triangular structure is more stable, guarantees the support intensity of tie beam.
Preferably, the fixing assembly comprises a wall penetrating bolt penetrating through the structural wall and the vertical frame of the main frame close to the structural wall and fastening nuts in threaded connection with the two axial ends of the wall penetrating bolt.
Through adopting above-mentioned technical scheme, when fixed body frame, will wear the wall bolt and pass structure wall body and body frame in proper order, later the nut of screwing up can accomplish, easy operation connects stably.
Preferably, a channel steel with a downward opening is fixed at one end, far away from the structural wall, of the inclined frame of the main frame.
By adopting the technical scheme, the steel wire rope connecting device is used for connecting the support truss with the steel wire rope during unloading.
Preferably, the main frame is formed by welding angle steels.
Through adopting above-mentioned technical scheme, angle steel stable in structure, with low costs, the convenience is tailor, can freely cut as required at the job site.
Preferably, the angle steel included angle of the vertical frame of the main frame fixed on the structural wall body is 110-125 degrees.
Through adopting above-mentioned technical scheme, make and form certain angle between vertical frame and the top frame, the welding of top frame and vertical frame rake guarantees that the body frame stretches out to the tie beam direction.
Preferably, the included angle between the supporting truss and the structural wall is 55-70 degrees.
By adopting the technical scheme, the included angle between the support truss and the structural wall is kept within a certain range, and the support nodes of the support truss to the tie beam can be determined as required, so that the support truss is stable in supporting the tie beam.
Preferably, the first steel beam and the second steel beam are the same in specification.
By adopting the technical scheme, because all steel beams with the same specification are adopted, special marks are not needed, and wrong steel beams are avoided during construction.
Preferably, the top surface of the tie beam is flush with the top surface of the second steel beam.
Through adopting above-mentioned technical scheme, make tie beam and second girder steel all be in the same height, make things convenient for the installation of scaffold frame.
To sum up, this application is through arranging cantilever beam is whole perpendicular with the structure wall body to utilize braced truss to carry out the outrigger and stablize the support, simplified the construction procedure, improved the stability of cantilever frame in external corner department, effectively solved the problem of cantilever frame external corner construction difficulty.
Drawings
Fig. 1 is an overall schematic view of a structural steel cantilever frame external corner construction structure according to an embodiment of the present application.
Fig. 2 is a plan view of the external corner construction structure of the section steel cantilever frame according to the embodiment of the present application.
Fig. 3 is an overall structural schematic diagram of another direction of the external corner construction structure of the section steel cantilever frame according to the embodiment of the present application.
Fig. 4 is a schematic structural view of a support truss of the external corner construction structure of the profile steel cantilever frame according to the embodiment of the present application.
Description of reference numerals: 1. a structural wall; 2. a top plate; 3. a cantilever beam; 31. a first steel beam; 32. a second steel beam; 4. tying a beam; 5. supporting the truss; 51. a main frame; 52. a reinforcement; 53. channel steel; 54. a connecting member; 6. a fixing assembly; 61. a through-wall bolt; 62. and (5) tightening the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses shaped steel cantilever frame external corner construction structures. Referring to fig. 1 and 2, the external corner construction structure of the profile steel cantilever frame includes a cantilever beam 3 having an external corner portion fixed on a top plate 2 and perpendicular to a structural wall 1, a tie beam 4 erected on the cantilever beam 3, and a support truss 5 fixed on the structural wall 1 and supporting the tie beam 4. The cantilever beam 3 and the tie beam 4 are both made of section steel, preferably I-shaped steel.
The cantilever beam 3 comprises a first steel beam 31 perpendicular to the structural wall 1 on one side of the external corner and a second steel beam 32 perpendicular to the structural wall 1 on the other side. First girder steel 31 and second girder steel 32 mutually perpendicular just all fix with the bolt of pre-burying in roof 2 and the steel sheet gasket that matches with the bolt. The first steel beam 31 and the second steel beam 32 have the same specification. In order to ensure the anchoring strength of the cantilever beam 3, when the cantilever length of the cantilever beam 3 is large, the first steel beam 31 and the second steel beam 32 are partially crossed on the top plate 2, and in this case, the second steel beam 32 is erected on the first steel beam 31 and then anchored. In this embodiment, the number of intersections of the first steel beam 31 and the second steel beam 32 at the external corner is two.
The cantilever section of the first steel beam 31 is provided with a tie beam 4 parallel to the second steel beam 32. The tie beam 4 is fixedly connected to the first steel beam 31. The top surface of the tie beam 4 is flush with the top surface of the second steel beam 32. The tie beam 4 is two. The structural walls 1 on the two sides of the external corner are provided with the supporting truss 5 which respectively supports one tie beam 4.
Referring to fig. 3 and 4, the support truss 5 includes a triangular main frame 51 welded by angle steel and reinforcing members 52 positioned in the main frame 51 and welded to the adjacent frames of the main frame 51. Angle steel is also used as the reinforcement 52. The top frame of the main frame 51 is horizontally arranged and is vertically arranged close to the frame of the structural wall 1. The included angle of the vertical frame of the main frame 51 is 117 degrees, and the supporting truss 5 inclines towards the external corner of the structural wall 1 and forms an included angle of 63 degrees with the structural wall 1. The support truss 5 is unloaded using wire ropes.
The bottom of one end of the main frame 51 with the inclined frame far away from the structural wall 1 is fixed with a channel steel 53 with a downward opening. The channel steel 53 is used for connecting the steel wire rope with the supporting truss 5, so that the supporting truss 5 can be conveniently unloaded.
The vertical frame of the main frame 51 is connected to the structural wall 1 by means of the fixing assembly 6. The fixing member 6 includes a wall bolt 61 and fastening nuts 62 screwed to both ends of the wall bolt 61 in the longitudinal direction. The wall bolts 61 are passed through the structural wall 1 and the vertical rims of the main frame 51, and the main frame 51 is fixed to the structural wall 1 by means of the fastening nuts 62. Double gaskets are arranged between the fastening nut 62 and the vertical frame and between the fastening nut 62 and the structural wall 1. In order to ensure the stability of the support truss 5, double nuts are used as the fastening nuts 62. The wall bolt 61 in this embodiment is an HPB300 phi 28 bolt, and the fastening nut 62 is an M20 high-strength nut.
Vertical connecting pieces 54 are arranged between the top surfaces of the horizontal frames of the main frame 51 and the bottom surfaces of the tie beams 4. In this embodiment, the connector 54 is an i-beam. Both ends of the connecting member 54 in the longitudinal direction are welded to the main frame 51 and the tie beam 4, respectively.
The implementation principle of shaped steel cantilever frame external corner construction structures of this application embodiment is: arranging cantilever beams 3 perpendicular to the structural wall 1 on the top plate 2 on two sides of the external corner part of the structural wall 1, arranging second steel beams 32 on the first steel beams 31, placing horizontal tie beams 4 on the first steel beams 31 according to the distance between double rows of scaffolds and fixing the tie beams 4 on the first steel beams 31; the support girder 5 is fixed according to the position of the support point and the support girder 5 is connected with the tie beam 4 by the connection member 54.
The utility model provides a shaped steel is encorbelmented and is supported at structure external corner department adoption braced truss 5, and all shaped steel cantilever beam 3 all are perpendicular with structure wall body 1, adopt the cantilever beam 3 of the same specification can satisfy the requirement, and the construction is simple, convenient operation, and stability is high, has effectively solved the problem of encorbelmenting a frame external corner construction difficulty.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a shaped steel cantilever frame external corner construction structures, is including fixing cantilever beam (3) that lie in structure wall body (1) external corner position both sides and perpendicular to structure wall body (1) on roof (2), be located tie beam (4) on cantilever beam (3) and support truss (5) of tie beam (4), its characterized in that: the cantilever beam (3) comprises a first steel beam (31) on one side of the external corner part and a second steel beam (32) on the other side of the external corner part, the second steel beam (32) is erected on the first steel beam (31), and the tie beam (4) is fixed on the cantilever section of the first steel beam (31) and is parallel to the second steel beam (32); the supporting trusses (5) are fixed on two sides of the external corner of the structural wall body (1).
2. The structural steel cantilever frame external corner construction structure of claim 1, wherein: the supporting truss (5) comprises a main frame (51) and a reinforcing member (52) which is positioned in the main frame (51) and connected with the adjacent frame of the main frame (51), wherein the frame of the main frame (51) close to the structural wall body (1) is vertically arranged and fixed on the structural wall body (1) by using a fixing assembly (6), and one end, far away from the structural wall body (1), of the frame at the top end of the main frame (51) is fixedly provided with a connecting member (54) which is opposite to and connected with the tie beam (4).
3. The structural steel cantilever frame external corner construction structure of claim 2, wherein: the main frame (51) is triangular.
4. The structural steel cantilever frame external corner construction structure of claim 2, wherein: the fixing assembly (6) comprises a wall penetrating bolt (61) penetrating through the structural wall body (1) and the vertical frame (51) close to the vertical frame of the structural wall body (1) and fastening nuts (62) in threaded connection with the two axial ends of the wall penetrating bolt (61).
5. The structural steel cantilever frame external corner construction structure of claim 3, wherein: and a channel steel (53) with a downward opening is fixed at one end of the inclined frame of the main frame (51) far away from the structural wall body (1).
6. The structural steel cantilever frame external corner construction structure of claim 3, wherein: the main frame (51) is formed by welding angle steels.
7. The structural steel cantilever frame external corner construction structure of claim 6, wherein: the angle steel included angle of the vertical frame of the main frame (51) fixed on the structural wall (1) is 110-125 degrees.
8. The structural steel cantilever frame external corner construction structure of claim 1, wherein: the included angle between the supporting truss (5) and the structural wall body (1) is 55-70 degrees.
9. The structural steel cantilever frame external corner construction structure of claim 1, wherein: the first steel beam (31) and the second steel beam (32) are the same in specification.
10. The structural steel cantilever frame external corner construction structure of claim 1, wherein: the top surface of the tie beam (4) is flush with the top surface of the second steel beam (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205014.2U CN215368613U (en) | 2021-01-25 | 2021-01-25 | Shaped steel hangs outrigger external corner construction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205014.2U CN215368613U (en) | 2021-01-25 | 2021-01-25 | Shaped steel hangs outrigger external corner construction structures |
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| CN215368613U true CN215368613U (en) | 2021-12-31 |
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| CN202120205014.2U Active CN215368613U (en) | 2021-01-25 | 2021-01-25 | Shaped steel hangs outrigger external corner construction structures |
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- 2021-01-25 CN CN202120205014.2U patent/CN215368613U/en active Active
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