CN211143691U - Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform - Google Patents
Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform Download PDFInfo
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- CN211143691U CN211143691U CN201921224401.XU CN201921224401U CN211143691U CN 211143691 U CN211143691 U CN 211143691U CN 201921224401 U CN201921224401 U CN 201921224401U CN 211143691 U CN211143691 U CN 211143691U
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Abstract
The utility model relates to a cast-in-place cantilever beam multilayer shaped steel of super large span-cable three-dimensional supporting platform, including bearing structure and construction platform. The supporting structure mainly comprises cantilever steel, a stay cable, a vertical supporting rod, an inclined rod, a longitudinal connecting rod and the like; the lower layer, the middle layer and the upper layer of overhanging section steel are respectively fixed on the N +1 layer, the N +2 layer and the N +3 layer through U-shaped anchor rings; one end of the stay cable is connected with a hanging ring welded on the overhanging section steel, the other end of the stay cable is connected with a hanging ring bolt on the upper layer beam side, and the stay cable is adjusted in length and locked and fixed through a turn buckle arranged in the middle; end plates are arranged at the end parts of the vertical supporting rod, the inclined rod and the longitudinal connecting rod, and nodes between the vertical supporting rod, the inclined rod and the longitudinal connecting rod are connected through high-strength bolts to form a stable triangular truss structure; the construction platform comprises profile steel secondary beams, panels, guardrails arranged peripherally and erected scaffolds and keels which are sequentially arranged on the upper-layer overhanging profile steel. The utility model discloses bearing structure is reliable, and the bearing capacity satisfies the requirement, and the component ann tears the convenience open to circulated use.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a cast-in-place cantilever beam multilayer shaped steel of super large span-cable three-dimensional supporting platform.
Background
With the diversity of modern building design functions, in order to meet the visual effect of the flying outer facade and the requirement of large indoor area, the large-span cantilever structure becomes one of the important technical means for realizing the peculiar architectural shape design; however, in the construction of a large-span cantilever beam, a plurality of construction problems such as high-altitude molding difficulty, unstable support, high construction difficulty and the like are faced, so that the local deformation or inclination phenomenon is easy to occur in the construction of a concrete structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem that exists in aiming at current large-span cantilever beam construction has proposed a cast-in-place cantilever beam multilayer shaped steel of super large-span-cable three-dimensional supporting platform, adopts following technical scheme.
The super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional support platform comprises a support structure and a construction platform, and is characterized in that the support structure mainly comprises cantilever section steel, stay cables, vertical supporting rods, inclined rods, longitudinal connecting rods and the like; the cantilever section steel comprises lower layer cantilever section steel, middle layer cantilever section steel and upper layer cantilever section steel, and is respectively fixed on the N +1 layer, the N +2 layer and the N +3 layer through U-shaped anchor rings; one end of the stay cable is connected with a hanging ring welded on the overhanging section steel, the other end of the stay cable is connected with a hanging ring bolt on the upper layer beam side, and the stay cable is adjusted in length and locked and fixed through a turn buckle arranged in the middle; the end parts of the vertical supporting rod, the inclined rod and the longitudinal connecting rod are respectively provided with an end plate, the end plates are connected with nodes between the overhanging section steels through high-strength bolts, the vertical supporting rod is positioned between the upper layer of overhanging section steels and the lower layer of overhanging section steels, and the overhanging section steels, the vertical supporting rod, the inclined rod and the longitudinal connecting rod form a stable triangular truss structure; the construction platform comprises section steel secondary beams, panels, guardrails arranged peripherally and erected scaffolds and keels which are sequentially arranged on the upper-layer overhanging section steel.
Preferably, the overhanging length of the upper layer overhanging section steel is 1.5-2.0 m longer than that of the large-span overhanging beam, and the overhanging length of each layer of overhanging section steel is shortened by 3-4 m from top to bottom in sequence.
Preferably, U type anchor ring passes pre-buried PVC pipe from the lower part, sets up the fixed block between the lower part of U type anchor ring and floor board, and on the upper portion of floor board, the shaped steel lower part of encorbelmenting sets up the cushion, and the shaped steel both sides of encorbelmenting set up the wooden wedge, arrange U type anchor ring in jointly, set up the clamp plate on the U type anchor ring to through the nut fastening will encorbelment the shaped steel and be fixed in on the floor board.
Preferably, the crossbeam sets up the steel backing plate in the both sides of pre-buried PVC pipe, and eyebolt passes pre-buried PVC pipe and is fixed in on the crossbeam through the nut, and the vertical branch that is close to the crossbeam side is fixed in the steel backing plate central point on the crossbeam through positioning bolt and puts, and vertical branch bilateral symmetry is equipped with four eyebolts.
Preferably, the inhaul cable is symmetrically arranged 2 along the length direction of each overhanging section steel, and the distance between the hanging rings of the overhanging section steel is 2-3 m.
Preferably, the length of the large-span cantilever beam is 10-20 m, and the multi-layer cantilever section steel can be arranged according to the length of the large-span cantilever beam and is not limited to the three-layer cantilever section steel.
Preferably, the U-shaped anchor ring and the steel base plate on the cross beam are respectively fixed on the floor plate and the cross beam through the embedded PVC pipe mounting and positioning bolts, and the U-shaped anchor ring, the steel base plate and the positioning bolts can be recycled without damage after construction.
Preferably, guard rails are arranged around the construction platform.
The utility model has the advantages that:
1. the multi-layer section steel-stay cable three-dimensional support structure is formed by stay cables and section steel beams with different lengths, construction loads are distributed in 4-6 layers of structures, the support structure is reliable in form, and bearing capacity meets requirements;
2. the transverse section steel beams and the vertical support rods in the multilayer section steel-inhaul cable three-dimensional support structure form a triangular truss structure, and the transverse section steel beams and the vertical support rods are connected by high-strength bolts, so that the construction speed is high, and the reinforcing effect is good;
3. fixing parts such as U-shaped anchor rings, hanging rings and the like related to the supporting structure are installed through the beam body and wall body pre-buried PVC pipes, and can be recycled after the cantilever beam construction is finished;
4. the PVC sleeve is embedded in the beam body and the floor plate, so that the subsequent cutting operation is not needed, the flatness is not influenced, the hole of the PVC sleeve is only required to be plugged, and the construction is simple;
5. because the U-shaped steel bar anchor ring is simple to install and dismantle, the installing and dismantling efficiency of the multilayer steel bar-inhaul cable three-dimensional supporting structure is improved, the use efficiency of the turnover material is improved, and the construction period is shortened.
Drawings
FIG. 1 is a schematic view of a multi-layer section steel-stay cable three-dimensional support platform of a super-large span cast-in-situ cantilever beam;
FIG. 2 is a right side view;
FIG. 3 is a top view of an N +2 layer;
FIG. 4 is a beam side pre-buried connector;
FIG. 5 is a sectional view taken along line A-A in FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is a schematic view of a recoverable U-shaped anchor ring structure;
fig. 8 is a schematic view of a construction platform structure.
The figure is marked with: 1-large-span cantilever beam, 2-crossbeam, 3-upright post, 4-floor plate, 41-N layer, 42-N +1 layer, 43-N +2 layer, 44-N +3 layer, 45-N +4 layer, 5-U type anchor ring, 6-scaffold, 7-keel, 8-cantilever section steel, 81-upper layer cantilever section steel, 82-middle layer cantilever section steel, 83-lower layer cantilever section steel, 9-section steel secondary beam, 10-panel, 11-guardrail, 12-vertical strut, 13-diagonal bar, 14-longitudinal connecting bar, 15-hoisting ring, 16-basket bolt, 17-stay rope, 18-backing ring, 19-steel backing plate, 20-positioning bolt, 21-hoisting ring bolt, 22-embedded PVC pipe, 23-nut, 24-wood wedge, 25-cushion block, 26-fixed block and 27-pressing plate.
Detailed Description
In order to deepen understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to fig. 1 to 8, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
As shown in the attached drawings 1, 2 and 3, the cantilever beam 1 with large span has the cantilever length of 10m, three cantilever section steels 8 are vertically adopted to be used as a construction platform support, and the horizontal distance between the cantilever section steels 8 is 4 m. The N +4 layers 45 are only provided with the inhaul cable 17 and are not provided with the cantilever type steel 8, the upper layer cantilever type steel 81 is 11m in cantilever length, the fixed length on the N +3 layers 44 is 8m, the middle layer cantilever type steel 82 is 7.5m in cantilever length and is arranged on the N +2 layers 43, the lower layer cantilever type steel 83 is 3.75m in cantilever length and is arranged on the N +1 layers 42, and the fixed length on the N +2 layers 43 and the N +1 layers 42 is 4 m. The building floor height is 4.5m, the steel 81 of encorbelmenting on the upper strata is connected through 3 pairs of cable 17 with eyebolt 21 on the N +4 layer 45, the steel 82 of encorbelmenting on the middle level is connected through 2 pairs of cable 17 with eyebolt 21 on the N +2 layer, the steel 83 of encorbelmenting on the lower floor is connected through 1 pair of cable 17 with eyebolt 21 on the N +1 layer 42, rings 15 on the steel 8 of encorbelmenting are connected to the cable 17 lower extreme, rings 15 are arranged along 8 length direction of the shaped steel of encorbelmenting every 2~3m bilateral symmetry, the minimum a pair of cable 17 of arranging on the shaped steel.
In the drawings 4-6, a vertical supporting rod 12 at the side of the cross beam 2 is fixed at the center of a steel backing plate 19 through a positioning bolt 20 and a nut 23, and four lifting bolts 21 are symmetrically arranged at two sides of the vertical supporting rod 12.
In fig. 7, the U-shaped anchor ring 5 passes through the embedded PVC pipe 22 from the lower part, a fixing block 26 is arranged between the U-shaped anchor ring 5 and the lower part of the floor plate 4, on the upper part of the floor plate 4, the lower part of the cantilever steel 8 is provided with a cushion block 25, wood wedges 24 are arranged on both sides of the cantilever steel 8 and are jointly arranged in the U-shaped anchor ring 5, a pressing plate 27 is arranged on the U-shaped anchor ring, the cantilever steel 8 is fixed on the floor plate 4 through a nut 23, and the steel backing plate 19 and the positioning bolt 20 on the U-shaped anchor ring 5 and the cross beam 2 can be recycled without damage after construction.
Fig. 8 is a schematic structural diagram of a construction platform, wherein a section steel secondary beam 9 is laid on the upper layer overhanging section steel 81, a panel 10 is placed on the secondary beam 9 to form the construction platform, and railings 11 are arranged around the platform.
The above embodiments are only used for explaining the technical idea of the present invention, not for the limitation of the protection of the right of the present invention, and all the modifications that are insubstantial to the present invention are carried out by using this idea, all fall into the protection scope of the present invention.
Claims (6)
1. The super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional support platform comprises a support structure and a construction platform, and is characterized in that the support structure mainly comprises cantilever section steel (8), stay cables (17), vertical supporting rods (12), inclined rods (13), longitudinal connecting rods (14) and the like; the cantilever steel sections (8) comprise lower cantilever steel sections (83), middle cantilever steel sections (82) and upper cantilever steel sections (81), and are respectively fixed on the N +1 layer (42), the N +2 layer (43) and the N +3 layer (44) through U-shaped anchor rings (5); one end of the inhaul cable (17) is connected with a lifting ring (15) welded on the overhanging section steel (8), the other end of the inhaul cable is connected with a lifting ring bolt (21) on the side of the upper-layer cross beam (2), and the inhaul cable is adjusted in length and locked and fixed through a turn buckle (16) arranged in the middle of the inhaul cable; end plates are arranged at the end parts of the vertical supporting rod (12), the inclined rod (13) and the longitudinal connecting rod (14), the end plates are connected with nodes between the overhanging section steels (8) through high-strength bolts, the vertical supporting rod (12) is positioned between the upper layer of overhanging section steels and the lower layer of overhanging section steels, and the overhanging section steels (8), the vertical supporting rod (12), the inclined rod (13) and the longitudinal connecting rod (14) form a stable triangular truss structure; the construction platform comprises a section steel secondary beam (9), a panel (10), a guardrail (11) arranged on the periphery, a scaffold (6) and a keel (7) which are sequentially arranged on the upper-layer cantilever section steel (81).
2. The multi-layer section steel-cable three-dimensional support platform with the ultra-large span cast-in-place cantilever beam as claimed in claim 1, wherein the cantilever length of the upper layer cantilever section steel (81) is 1.5-2.0 m longer than that of the large span cantilever beam (1), and the cantilever length of each layer of cantilever section steel (8) is sequentially shortened by 3-4 m from top to bottom.
3. The multi-layer section steel-cable three-dimensional support platform with the ultra-large span cast-in-situ cantilever beam as claimed in claim 1, wherein the U-shaped anchor ring (5) penetrates through the embedded PVC pipe (22) from the lower part, a fixing block (26) is arranged between the U-shaped anchor ring (5) and the lower part of the floor plate (4), a cushion block (25) is arranged on the lower part of the cantilever section steel (8) on the upper part of the floor plate (4), wood wedges (24) are arranged on two sides of the cantilever section steel (8) and are jointly arranged in the U-shaped anchor ring (5), a pressing plate (27) is arranged on the U-shaped anchor ring (5), and the cantilever section steel (8) is fixed on the floor plate (4) through the fastening of a nut (23).
4. The multi-layer section steel-cable three-dimensional support platform for the super-large-span cast-in-place cantilever beam according to claim 1, wherein steel backing plates (19) are arranged on two sides of a pre-buried PVC pipe (22) of the cross beam (2), the lifting bolts (21) penetrate through the pre-buried PVC pipe (22) and are fixed to the cross beam (2) through nuts (23), a vertical support rod (12) close to the side of the cross beam (2) is fixed to the center of the steel backing plate (19) on the cross beam (2) through a positioning bolt (20), and four lifting bolts (21) are symmetrically arranged on two sides of the vertical support rod (12).
5. The multi-layer section steel-cable three-dimensional support platform with the ultra-large span cast-in-place cantilever beam as claimed in claim 1, wherein 2 cables (17) are symmetrically arranged along the length direction of each cantilever section steel (8), and the distance between the hanging rings (15) of the cantilever section steel (8) is 2-3 m.
6. The multi-layer section steel-cable three-dimensional support platform with the ultra-large span cast-in-place cantilever beam as claimed in claim 2, wherein the length of the large span cantilever beam (1) is 10-20 m, and the multi-layer cantilever section steel (8) can be arranged according to the length of the large span cantilever beam (1) and is not limited to the three-layer cantilever section steel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224401.XU CN211143691U (en) | 2019-07-31 | 2019-07-31 | Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224401.XU CN211143691U (en) | 2019-07-31 | 2019-07-31 | Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform |
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| Publication Number | Publication Date |
|---|---|
| CN211143691U true CN211143691U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921224401.XU Active CN211143691U (en) | 2019-07-31 | 2019-07-31 | Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform |
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| Country | Link |
|---|---|
| CN (1) | CN211143691U (en) |
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- 2019-07-31 CN CN201921224401.XU patent/CN211143691U/en active Active
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