CN111350338A - Construction steel platform for super-long overhanging structure of high-rise building - Google Patents
Construction steel platform for super-long overhanging structure of high-rise building Download PDFInfo
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- CN111350338A CN111350338A CN202010289443.2A CN202010289443A CN111350338A CN 111350338 A CN111350338 A CN 111350338A CN 202010289443 A CN202010289443 A CN 202010289443A CN 111350338 A CN111350338 A CN 111350338A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
Abstract
The invention discloses a construction steel platform for a super-long overhanging structure of a high-rise building, which comprises: the device comprises a plurality of transverse cantilever units, a connecting tie rod and a laying secondary beam; the transverse cantilever unit comprises a cantilever main steel beam, a long inclined support and a short inclined support, and the long inclined support and the short inclined support are welded at the lower part of the cantilever end of the cantilever main steel beam to form a triangular truss structure; the cantilever main steel beams are respectively welded with embedded parts embedded on the concrete beams, the non-cantilever ends of the cantilever main steel beams are arranged on the concrete floor and are fixedly pressed by a pressure ring assembly embedded on the concrete floor, and the lower end parts of the long inclined supports are welded with the embedded parts embedded on the next layer of concrete beam; the long inclined struts are connected through welding connecting tie rods, and the secondary beams are welded and placed on the upper portions of the cantilever main steel beams to form an integral steel platform structure. The invention can greatly reduce the construction difficulty, reduce the safety risk of constructors, reduce the construction labor force, avoid the problems of additionally increasing the construction period, cost and the like, and has convenient assembly and disassembly, safety and reliability.
Description
Technical Field
The invention relates to the field of construction of constructional engineering, and particularly provides a construction steel platform for an ultralong overhanging structure of a high-rise building.
Background
At present, along with the development of cities and the continuous improvement of aesthetic requirements of people on buildings, the designed building appearance is diversified, so that overlong (the overhanging length is more than 3m) overhanging structures of some high-rise buildings appear.
Because the construction difficulty of the overlong overhanging structure of the high-rise building is higher, the overlong overhanging structure of the high-rise building is constructed by adopting a full frame or changing the structure into a traditional construction process of a steel beam, a floor bearing plate and the like, and the defects of overlong construction period, overhigh cost, overhigh safety risk coefficient and the like exist.
Disclosure of Invention
The invention aims to provide a construction steel platform for a super-long overhanging structure of a high-rise building, which is safe and reliable and can reduce the engineering construction cost and the construction period.
The technical scheme of the invention is as follows: the utility model provides a be used for high-rise building overlength structure construction steel platform of encorbelmenting, includes: the device comprises a plurality of transverse cantilever units 1, a connecting tie rod 2 and a secondary shelving beam 3; the transverse cantilever unit 1 comprises a cantilever main steel beam 1a, a long inclined support 1b and a short inclined support 1c, and the long inclined support 1b and the short inclined support 1c are welded to the lower part of the cantilever end of the cantilever main steel beam 1a to form a triangular truss structure; the cantilever main steel beams 1a in the plurality of transverse cantilever units 1 are arranged in parallel and respectively welded with embedded parts 7 embedded on concrete beams 6, the non-cantilever ends of the cantilever main steel beams 1a are arranged on a concrete floor 4 and are fixedly pressed by a pressure ring assembly 5 embedded on the concrete floor 4, and the lower ends of long inclined supports 1b in the plurality of transverse cantilever units 1 are welded with the embedded parts 7 embedded on the next layer of concrete beam 6; the long inclined supports 1b in the plurality of transverse cantilever units 1 are connected through welding connecting tie rods 2, and secondary beams 3 are welded and laid on the upper portions of the plurality of cantilever main steel beams 1a, so that an integral steel platform structure is formed.
Preferably, the pressure ring assembly 5 comprises a U-shaped embedded part 5a with a thread at the end part, a pressure plate 5b and a nut 5c, wherein the pressure plate 5b penetrates the U-shaped embedded part 5a to be arranged on the overhanging main steel beam 1a, and the end part thread of the U-shaped embedded part 5a is matched with the nut to be locked and crimped to the overhanging main steel beam 1 a.
Preferably, the U-shaped embedded part 5a is formed by bending round steel with the diameter of 20 mm.
Preferably, the pressing plate 5b is made of a steel plate with a thickness of 10 mm.
Preferably, the embedded part 7 comprises a steel embedded plate 7a and a round steel welding head 7b welded on the steel embedded plate 7 a.
Preferably, the round steel welding head 7b is a round steel with the diameter of 20 mm.
Preferably, the overhanging main steel beam 1a is made of 22# I-steel.
Preferably, the long diagonal braces 1b and the short diagonal braces 1c are made of 20# i-steel.
Preferably, the connecting tie bar 2 is made of 18# I-steel.
Preferably, the secondary shelving beam 3 is made of 16# I-steel.
The invention has the following beneficial effects:
compared with the traditional construction process of the super-long overhanging structure of the high-rise building, the construction method can greatly reduce the construction difficulty and reduce the safety risk of constructors; the construction steel platform of the super-long overhanging structure of the high-rise building is erected along with the construction progress of the engineering main body, so that the construction labor force is reduced, and the problems of additionally increasing the construction period, cost and the like due to the erection of the platform are solved; the invention has convenient assembly and disassembly, safety, reliability and lower cost, and conforms to the safety management policy of 'safety first and prevention first', and the principles of green, environmental protection and conservation.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a big sample view of the connection between the overhanging main steel beam and the long diagonal bracing in the invention;
FIG. 4 is a schematic view showing the connection between the long diagonal brace and the short diagonal brace according to the present invention;
FIG. 5 is a schematic view of the connection of the long diagonal bracing and the connecting tie bar according to the present invention;
FIG. 6 is a connection layout of the overhanging main steel beam and the laying secondary beam in the invention;
FIG. 7 is a schematic view of a pressure ring assembly according to the present invention;
FIG. 8 is a schematic view of a structure of an embedded part according to the present invention;
in the figure: 1. a transverse cantilever unit; 1a, overhanging a main steel beam; 1b, long inclined supports; 1c, short inclined struts; 2. a connecting tie bar; 3. laying the secondary beam; 4. concrete floor slab; 5. a pressure ring assembly; 5a, U-shaped embedded parts; 5b, pressing a plate; 5c, a nut; 6. a concrete beam; 7. embedding parts; 7a, embedding steel plates; 7b, welding a round steel welding head; 8. concrete column.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1 to 6, a construction steel platform for a super-long overhanging structure of a high-rise building, comprises: the device comprises a plurality of transverse cantilever units 1, a connecting tie rod 2 and a secondary shelving beam 3; the transverse cantilever unit 1 comprises a cantilever main steel beam 1a, a long inclined support 1b and a short inclined support 1c, and the long inclined support 1b and the short inclined support 1c are welded to the lower part of the cantilever end of the cantilever main steel beam 1a to form a triangular truss structure; the cantilever main steel beams 1a in the plurality of transverse cantilever units 1 are arranged in parallel and are respectively welded with embedded parts 7 embedded on concrete beams 6, the non-cantilever ends of the cantilever main steel beams 1a are arranged on a concrete floor 4 and are fixedly pressed by a compression ring assembly 5 embedded on the concrete floor 4, and the lower end parts of long inclined supports 1b in the plurality of transverse cantilever units 1 are welded with the embedded parts 7 embedded on the next layer of concrete beam 6; the long inclined supports 1b in the multiple transverse cantilever units 1 are connected through welding connecting tie rods 2, and secondary beams 3 are welded and laid on the upper portions of the multiple cantilever main steel beams 1a, so that an integral steel platform structure is formed.
As shown in fig. 7, the pressure ring assembly 5 includes a U-shaped embedded part 5a with a thread at an end portion, a pressure plate 5b and a nut 5c, the pressure plate 5b penetrates the U-shaped embedded part 5a to be arranged on the overhanging main steel beam 1a, and the end portion thread of the U-shaped embedded part 5a is matched with the nut to be locked and crimped to the overhanging main steel beam 1 a. The U-shaped embedded part 5a is formed by bending round steel with the diameter of 20mm, and the pressing plate 5b is a steel plate with the thickness of 10 mm.
As shown in fig. 8, the embedded part 7 includes a steel buried plate 7a and a round steel welded joint 7b welded to the steel buried plate 7 a. Wherein, the round steel welding head 7b adopts a phi 20mm round steel.
In the embodiment of the invention, the overhanging main steel beam 1a adopts 22# I-steel, the long inclined strut 1b and the short inclined strut 1c adopt 20# I-steel, the connecting tie bar 2 adopts 18# I-steel, and the secondary beam 3 adopts 16# I-steel.
During the use, main girder steel 1a will encorbelment and long bearing diagonal 1b and short bearing diagonal 1c welding formation triangular truss, then hoist to the operation level and weld with pre-buried built-in fitting 7 on concrete beam 6, and adopt pre-buried clamping ring subassembly 5 crimping of concrete floor 4 to fix, tip and pre-buried built-in fitting 7 welding on next floor concrete beam 6 under long bearing diagonal 1b, all long bearing diagonal 1b of rethread connection tie rod 2 welded connection, will shelve secondary beam 3 and weld with main girder steel 1a encorbelments again, form a simple convenient, high, the higher operation platform who is used for the construction structure of encorbelmenting of stability factor of safety.
The size of the components of the present invention can be adjusted according to the actual situation, and the present embodiment only briefly describes the platform.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a be used for high-rise building overlength structure construction steel platform of encorbelmenting which characterized in that includes: a plurality of transverse cantilever units (1), a connecting tie bar (2) and a laying secondary beam (3); the transverse cantilever unit (1) comprises a cantilever main steel beam (1a), a long inclined support (1b) and a short inclined support (1c), and the lower part of the cantilever end of the cantilever main steel beam (1a) is welded with the long inclined support (1b) and the short inclined support (1c) to form a triangular truss structure; the cantilever main steel beams (1a) in the plurality of transverse cantilever units (1) are arranged in parallel and are respectively welded with embedded parts (7) embedded on concrete beams (6), the non-cantilever ends of the cantilever main steel beams (1a) are arranged on the concrete floor (4) and are fixedly pressed by a pressing ring assembly (5) embedded on the concrete floor (4), and the lower ends of long inclined supports (1b) in the plurality of transverse cantilever units (1) are welded with the embedded parts (7) embedded on the next layer of concrete beam (6); the long inclined struts (1b) in the multiple transverse cantilever units (1) are connected through welding connecting tie rods (2), and secondary beams (3) are welded and placed on the upper portions of the multiple cantilever main steel beams (1a) to form an integral steel platform structure.
2. The construction steel platform for the overlong overhanging structure of the high-rise building according to claim 1, wherein the pressure ring assembly (5) comprises a U-shaped embedded part (5a) with a thread at the end part, a pressure plate (5b) and a nut (5c), wherein the pressure plate (5b) penetrates through the U-shaped embedded part (5a) and is arranged on the overhanging main steel beam (1a), and the overhanging main steel beam (1a) is locked and pressed and connected in a pressing mode through the thread at the end part of the U-shaped embedded part (5a) and the nut.
3. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 2, wherein the U-shaped embedded part (5a) is formed by bending round steel with the diameter of 20 mm.
4. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 2, wherein the pressing plate (5b) is a steel plate with a thickness of 10 mm.
5. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 1, wherein the embedded part (7) comprises a steel embedded plate (7a) and a round steel welding head (7b) welded on the steel embedded plate (7 a).
6. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 5, wherein the round steel welding head (7b) adopts a round steel with a diameter of 20 mm.
7. The steel platform for the construction of the ultra-long overhanging structure of the high-rise building according to claim 1, wherein the overhanging main steel beam (1a) is a 22# I-steel.
8. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 1, wherein the long diagonal braces (1b) and the short diagonal braces (1c) adopt 20# I-steel.
9. The construction steel platform for the ultra-long overhanging structure of the high-rise building according to claim 1, wherein the connecting tie bars (2) are 18# I-steel.
10. The steel platform for the construction of the super-long overhanging structure of the high-rise building according to claim 1, wherein the secondary shelving beam (3) is made of 16# I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289443.2A CN111350338A (en) | 2020-04-14 | 2020-04-14 | Construction steel platform for super-long overhanging structure of high-rise building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289443.2A CN111350338A (en) | 2020-04-14 | 2020-04-14 | Construction steel platform for super-long overhanging structure of high-rise building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350338A true CN111350338A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010289443.2A Pending CN111350338A (en) | 2020-04-14 | 2020-04-14 | Construction steel platform for super-long overhanging structure of high-rise building |
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| Country | Link |
|---|---|
| CN (1) | CN111350338A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095798A (en) * | 2020-08-31 | 2020-12-18 | 中国建筑第八工程局有限公司 | Super high-rise double-layer super large cantilever steel structure |
| CN114033146A (en) * | 2021-11-19 | 2022-02-11 | 中交第三航务工程局有限公司 | Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio |
-
2020
- 2020-04-14 CN CN202010289443.2A patent/CN111350338A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095798A (en) * | 2020-08-31 | 2020-12-18 | 中国建筑第八工程局有限公司 | Super high-rise double-layer super large cantilever steel structure |
| CN112095798B (en) * | 2020-08-31 | 2022-04-12 | 中国建筑第八工程局有限公司 | Super high-rise double-layer super large cantilever steel structure |
| CN114033146A (en) * | 2021-11-19 | 2022-02-11 | 中交第三航务工程局有限公司 | Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio |
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