Cable-stayed cantilever scaffold structure system at concrete large-span cantilever component part of high-rise housing

Abstract

The utility model discloses a cable-stayed cantilever scaffold structure system for a concrete large-span cantilever component part of a high-rise residential building, which comprises cantilever I-shaped steel, the cantilever I-shaped steel comprises an outer side cantilever area section and an inner side non-cantilever area section, the inner side non-cantilever area section of the cantilever I-shaped steel is fixed on a cantilever floor slab through a plurality of U-shaped embedded bolt components, and the U-shaped embedded bolt components are fixed on the cantilever floor slab through a plurality of U-shaped embedded bolt components. Overhanging I-shaped steel connecting pieces are arranged on overhanging area sections on the outer sides of the overhanging I-shaped steel; one end of the diagonal draw bar is hinged to the cantilever area and non-cantilever area boundary beam of the upper-layer main body structure, and the other end of the diagonal draw bar is hinged to the cantilever I-shaped steel connecting piece; one end of the steel wire rope is connected with the overhanging area outer wall of the upper-layer main body structure, and the other end is connected with the outer end part of the overhanging area section on the outer side of the overhanging I-shaped steel; and the upper frame body is erected on the overhanging area section on the outer side of the overhanging I-shaped steel. The stress of the cantilever I-shaped steel beam at the bottom of the cantilever scaffold is optimized, the deformation of the end part of the I-shaped steel is reduced, the deflection checking calculation of the I-shaped steel can be smoothly passed, and the stability of the cantilever scaffold body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a scaffold construction technical field, concretely relates to a high -rise residential concrete large span cantilever component position cable -stayed cantileved scaffold structure system. BACKGROUND

[0002] With the rapid development of city construction, the designer is more and variety to the processing of building facade line, and the processing of high-rise residential building facade is also becoming more and more complex. Because large cantilever balcony can bring better lighting, ventilation and facade effect, it is more and more adopted by building design, which greatly increases the construction difficulty. Especially in the process of using traditional cantilever scaffold to construct large cantilever balcony, the traditional cantilever scaffold often cannot pass the safety calculation and cannot be used. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing high-rise residential concrete large span cantilever component position cable-stayed cantileved scaffold structure system to solve the problems in the above background technology.

[0004] To achieve the above object, the utility model provides a high-rise residential concrete large span cantilever component position cable-stayed cantileved scaffold structure system, which comprises: a cantilevered I-beam, the cantilevered I-beam comprises an outer cantilevered area section and an inner non-cantilevered area section, the inner non-cantilevered area section of the cantilevered I-beam is fixed to the cantilevered floor of the cantilevered layer through a plurality of U-shaped embedded bolt assemblies, and the outer cantilevered area section of the cantilevered I-beam is provided with a cantilevered I-beam connecting piece; a cable-stayed rod, one end of the cable-stayed rod is hinged to the boundary beam between the cantilevered area and the non-cantilevered area of the upper main structure, and the other end is hinged to the cantilevered I-beam connecting piece; a steel wire rope, one end of the steel wire rope is connected to the outer wall of the cantilevered area of the upper main structure, and the other end is connected to the outer end part of the outer cantilevered area section of the cantilevered I-beam; an upper frame body, the upper frame body is arranged on the outer cantilevered area section of the cantilevered I-beam and located outside the cantilevered area of the main structure.

[0005] In a preferred embodiment, the boundary beam between the cantilevered area and the non-cantilevered area of the upper main structure and the outer wall of the cantilevered area of the upper main structure are both provided with double-ear eyelets.

[0006] In a preferred embodiment, the cantilevered I-beam connecting piece comprises a hollow rectangular square steel pipe, the rectangular square steel pipe is sleeved on the cantilevered I-beam, two 8mm-thick ear plates are welded on the rectangular square steel pipe, the spacing between the ear plates is 25mm, the ear plates are symmetrically arranged on both sides of the midpoint of the top of the rectangular square steel pipe, and the center of the ear plate is provided with a pin shaft.

[0007] In a preferred embodiment, the outer end part of the outer cantilevered area section of the cantilevered I-beam is provided with two I-beam ear plates, the I-beam ear plates are welded on the top of the cantilevered I-beam, the spacing between the two I-beam ear plates is 35mm, and the center of the I-beam ear plate is provided with a pin shaft.

[0008] In a preferred embodiment, the inclined pull rod comprises an upper steel pull rod and a lower steel pull rod, the upper steel pull rod and the lower steel pull rod are connected through a steel sleeve, and the steel pull rod is fastened by twisting the steel sleeve.

[0009] In a preferred embodiment, short steel bars with a diameter of 16 mm and a length of 100 mm are welded on the outer cantilever area section of the cantilevered I-beam outside the cantilevered area of the main body structure, and the short steel bars are used to fix the upper frame body.

[0010] In a preferred embodiment, the U-shaped embedded bolt assembly is provided with three rows, the U-shaped embedded bolt assembly comprises a U-shaped bolt, the lower part of the U-shaped bolt is embedded in the cantilevered floor, and a steel mesh with a diameter of 12 mm and a length of 1 m*1 m is additionally arranged in two directions at the embedded position, the upper ends of the two vertical parts of the U-shaped bolt are fixed with an L-shaped angle steel through double nuts, the L-shaped angle steel is located above the cantilevered I-beam, and the setting direction of the L-shaped angle steel is perpendicular to the length direction of the cantilevered I-beam.

[0011] In a preferred embodiment, wooden wedges are filled in the U-shaped bolt on both sides of the web of the cantilevered I-beam, 2 reinforcing bars with a length of 1.5 m are symmetrically arranged above the horizontal part of the U-shaped bolt, and the bottom of the cantilevered I-beam is clamped with the cantilevered floor through wooden blocks.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a cantilevered scaffold structure, which comprises a main body structure, a cantilevered I-beam and a cantilevered scaffold, the cantilevered I-beam is arranged on the outer side of the cantilevered area of the main body structure, the cantilevered scaffold is arranged on the cantilevered I-beam, and the cantilevered scaffold comprises a frame body and a plurality of inclined pull rods. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the double-ear ring of the utility model;

[0016] Figure 3 It is the structure schematic diagram of the cantilevered I-beam connecting piece of the utility model;

[0017] Figure 4The utility model discloses a hanger plate of I-shaped steel is provided with a schematic diagram.

[0018] Figure 5 The utility model discloses a U-shaped embedded bolt assembly schematic diagram.

[0019] Figure 6 The utility model discloses a cantilever I-shaped steel floor structure schematic diagram.

[0020] Mark explanation:

[0021] 1, cantilever I-shaped steel;2, inclined pull rod;22, lower steel pull rod;3, cantilever floor;4, cantilever I-shaped steel connecting piece;41, rectangular square steel pipe;42, hanger plate;43, pin shaft;5, cantilever area and non-cantilever area boundary beam;6, steel wire rope;7, upper frame;8, double ear ring;9, steel sleeve;10, U-shaped embedded bolt assembly;101, U-shaped bolt;102, L-shaped angle steel;103, reinforcing rib;104, double nut;105, wood block;106, wooden wedge;11, I-shaped steel hanger plate;12, short steel bar. Specific implementation

[0022] The technical scheme in the embodiment of the utility model will be clearly and completely described below. All other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiment 1:

[0024] As Figures 1 to 6 The utility model discloses a high -rise residence concrete large -span cantilever component part inclined pull formula cantilever scaffold structure system of preferred embodiment, include: cantilever I-shaped steel 1, inclined pull rod 2, cantilever I-shaped steel connecting piece 4, steel wire rope 6 and upper frame 7, cantilever I-shaped steel 1 includes outside cantilever area section and inside non-cantilever area section, and the inside non-cantilever area section of cantilever I-shaped steel 1 is fixed to cantilever floor 3 through a plurality of U-shaped embedded bolt assemblies 10, and the outside cantilever area section of cantilever I-shaped steel 1 is provided with cantilever I-shaped steel connecting piece 4 near the main structure cantilever area outer wall place. One end of inclined pull rod 2 is hinged with the upper layer main structure cantilever area and non-cantilever area boundary beam 5, and the other end is hinged with cantilever I-shaped steel connecting piece 4. One end of steel wire rope 6 is connected with the upper layer main structure cantilever area outer wall, and the other end is connected with the outer end portion of the outside cantilever area section of cantilever I-shaped steel 1. Upper frame 7 is set up in the outside cantilever area section of cantilever I-shaped steel 1 and is located the main structure cantilever area outside. Upper frame 7 includes vertical vertical pole, a plurality of transverse horizontal rods and longitudinal horizontal rods.

[0025] Further, the boundary beam 5 between the overhanging area and the non-overhanging area of the upper main structure and the outer wall of the overhanging area of the upper main structure are provided with double ear rings 8. The overhanging I-beam connecting piece 4 comprises a hollow rectangular square steel tube 41, the rectangular square steel tube 41 is sleeved on the overhanging I-beam 1, two 8mm thick ear plates 42 are welded on the rectangular square steel tube 41, the distance between the two ear plates 42 is 25mm, and the ear plates 42 are symmetrically arranged at the top of the rectangular square steel tube 41. The center of the ear plate 42 is provided with a pin shaft. One end of the inclined pull rod 2 is hinged to the double ear ring 8 at the bottom of the boundary beam 5, and the other end is hinged to the pin shaft 43 on the ear plate 42.

[0026] Further, the outer end of the overhanging area segment of the overhanging I-beam 1 is provided with two I-beam ear plates 11, the I-beam ear plates 11 are welded on the top of the overhanging I-beam 1, the distance between the two I-beam ear plates 11 is 35mm, and the center of the I-beam ear plate 11 is provided with a pin shaft. One end of the steel wire rope is connected with the double ear ring 8 of the outer wall of the overhanging area of the upper main structure, and the other end is connected with the pin shaft of the I-beam ear plate 11 at the outer end of the overhanging area segment of the overhanging I-beam 1.

[0027] Further, the inclined pull rod 2 comprises an upper steel pull rod and a lower steel pull rod, the ends of the upper steel pull rod and the lower steel pull rod close to each other are provided with reverse threads, the upper steel pull rod and the lower steel pull rod are connected through a steel sleeve 9, and the inclined pull rod 2 is fastened by twisting the steel sleeve 9.

[0028] Further, a short steel bar 12 with a diameter of 16mm and a length of 100mm is welded on the overhanging area segment of the overhanging I-beam 1 outside the main structure overhanging area, and the short steel bar 12 is used for fixing the upper frame body 7.

[0029] Further, the U-shaped embedded bolt assembly 10 is provided with three rows, the U-shaped embedded bolt assembly 10 comprises a U-shaped bolt 101, the lower part of the U-shaped bolt 101 is embedded in the overhanging floor 3, and a steel mesh with a diameter of 12mm and a length of 1m*1m is additionally arranged in two directions at the embedded position, the upper ends of the two vertical parts of the U-shaped bolt 101 are fixed with an L-shaped angle steel 102 through double nuts 104, the L-shaped angle steel 102 is located above the overhanging I-beam 1, and the setting direction of the L-shaped angle steel 102 is perpendicular to the length direction of the overhanging I-beam 1. Wooden wedges 106 are filled on both sides of the web of the overhanging I-beam 1 in the U-shaped bolt 101, 2 pieces of 1.5m long reinforcing bars 103 are symmetrically arranged above the horizontal part of the U-shaped bolt 101, and the bottom of the overhanging I-beam 1 is tightly wedged with the overhanging floor 3 through a wooden block 105.

[0030] Embodiment 2:

[0031] The construction process of the utility model is introduced as follows:

[0032] 1. Structure embedded U-shaped bolt, upper beam bottom hinge point silk sleeve

[0033] In combination with the actual situation of the project, the U-shaped bolt 101 needs to be embedded in the composite slab and reinforced. During the deepening design of the composite slab, considering the special situation of this part, a φ12 length 1m x 1m steel mesh is added in two directions at the position where the U-shaped bolt is embedded. The steel bars pass through the two lower bars of the truss to form a whole. When the composite slab is embedded, two φ16 length 1500mm reinforcing steel bars are placed under the U-shaped bolt. A φ12 length 1m x 1m steel mesh is arranged around the U-shaped bolt. All reinforcing steel bars pass through the truss steel bars to make the U-shaped ring and the composite slab a whole.

[0034] 2. Installation of upper floor embedded parts of cantilevered I-beams

[0035] A φ20 length 150mm wire sleeve embedded part is embedded in the upper beam or wall. A φ20 reinforcing bolt is used to fix the embedded part outside the formwork. Avoid displacement during pouring. After the beam formwork is removed, the reinforcing bolt is removed, and the double-ear ring 8 is installed.

[0036] 3. Embedded part arrangement

[0037] 31. Make cantilevered I-beam connecting parts: make a rectangular square steel pipe 41, which is sleeved and fixed on the cantilevered I-beam 1. Two 8mm thick ear plates 42 are welded on the rectangular square steel pipe 41, the distance between the two ear plates 42 is 25mm, and the ear plates 42 are symmetrically arranged on both sides of the center of the top of the rectangular square steel pipe 41. The center of the ear plate 42 is provided with a pin shaft.

[0038] 32. Make I-beam ear plate: weld the I-beam ear plate 11 on the top of the cantilevered I-beam 1. The distance between the two I-beam ear plates 11 is 35mm, and the center of the I-beam ear plate 11 is provided with a pin shaft.

[0039] 4. Install and fix the cantilevered I-beam

[0040] The cantilevered I-beam 1 needs to be installed when the cantilevered floor concrete strength reaches more than 75% of the design strength. The cantilevered I-beam 1 adopts a 16# I-beam, with a height of 160mm and a width of 88mm. The U-shaped embedded bolt assembly 10 used by the cantilevered I-beam is arranged in three rows along the cantilevered I-beam. The horizontal distance of the cantilevered I-beam is 1.5m. When the module encounters an opening, the distance can be adjusted appropriately, but the maximum should not be greater than 1.5m. The cantilevered length of the cantilevered I-beam is 1.2m, and the anchoring length is 3.8m (the anchoring length 3.8m > the cantilevered length 1.2*1.25=1.5m). A 150x100x50mm cushion is arranged under the I-beam, and a 100mm high ф25 short steel bar 12 is welded at the end of 100mm, which is used to fix the vertical stand of the upper frame 7.

[0041] 5. Fasten the steel wire rope and diagonal pull rod to reinforce the cantilevered I-beam

[0042] 51. The 14# steel wire rope is adopted, one end of the steel wire rope is connected with the double ear pull ring 8 of the outer wall of the cantilever area of the upper main body structure, the other end is connected with the pin shaft of the I-shaped steel ear plate 11 of the outer end of the cantilever I-shaped steel 1, and three fixed buckles are arranged at both ends.

[0043] 52. The upper part of the inclined pull rod is connected with the double ear pull ring by the finished steel pull rod, the lower part of the inclined pull rod is connected with the pin shaft on the ear plate 42 by the finished steel pull rod, the steel sleeve is used to connect the finished steel pull rods at both ends, and the finished steel pull rod is fastened by twisting the steel sleeve.

[0044] 6. The upper frame body is erected

[0045] After the cantilever I-shaped steel 1 is fixed, the upper frame body 7 of the scaffold is erected.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cable-stayed cantilever scaffolding structure system for large-span cantilevered concrete components in high-rise residential buildings, characterized in that: The utility model relates to a cantilevered H-shaped steel (1) which comprises an outer cantilevered area section and an inner non-cantilevered area section, the inner non-cantilevered area section of the cantilevered H-shaped steel (1) is fixed to a cantilevered floor (3) through a plurality of U-shaped embedded bolt assemblies (10), and the outer cantilevered area section of the cantilevered H-shaped steel (1) is provided with a cantilevered H-shaped steel connecting piece (4). A diagonal pull rod (2) is hinged at one end to a boundary beam (5) between the cantilevered area and the non-cantilevered area of the upper main structure, and is hinged at the other end to the cantilevered H-shaped steel connecting piece (4). A steel wire rope (6) is connected at one end to the outer wall of the cantilevered area of the upper main structure, and is connected at the other end to the outer end of the outer cantilevered area section of the cantilevered H-shaped steel (1). An upper frame (7) is arranged on the outer cantilevered area section of the cantilevered H-shaped steel (1) and outside the cantilevered area of the main structure. The boundary beam (5) between the cantilevered area and the non-cantilevered area of the upper main structure and the outer wall of the cantilevered area of the upper main structure are both provided with double-ear eyelets (8).

2. The high-rise residential concrete large-span cantilever component part cable-stayed type cantilever scaffold structure system according to claim 1, characterized in that: The cantilevered H-shaped steel connecting piece (4) comprises a hollow rectangular square steel tube (41) which is sleeved on the cantilevered H-shaped steel (1), two 8mm-thick ear plates (42) are welded on the rectangular square steel tube (41), the spacing between the ear plates (42) is 25mm, the ear plates (42) are symmetrically arranged at the two sides of the midpoint of the top of the rectangular square steel tube (41), and the center of the ear plate (42) is provided with a pin shaft.

3. The high-rise residential concrete large-span cantilever component part cable-stayed type cantilever scaffold structure system according to claim 1, characterized in that: The outer end of the outer cantilevered area section of the cantilevered H-shaped steel (1) is provided with two H-shaped steel ear plates (11) which are welded on the top of the cantilevered H-shaped steel (1), the spacing between the two H-shaped steel ear plates (11) is 35mm, and the center of the H-shaped steel ear plate (11) is provided with a pin shaft.

4. The high-rise residential concrete large-span cantilever member part cable-stayed type cantilever scaffold structure system according to claim 2, characterized in that: The diagonal pull rod (2) comprises an upper steel pull rod and a lower steel pull rod, the upper steel pull rod and the lower steel pull rod are connected through a steel sleeve (9), and the diagonal pull rod (2) is fastened by twisting the steel sleeve (9).

5. The high-rise residential concrete large-span cantilever member site cable-stayed type cantilever scaffold structure system according to claim 4, characterized in that: A short steel bar (12) with a diameter of 16mm and a length of 100mm is welded on the outer cantilevered area section of the cantilevered H-shaped steel (1) outside the cantilevered area of the main structure, and the short steel bar (12) is used for fixing the upper frame (7).

6. The high-rise residential concrete long-span cantilever member site cable-stayed type cantilever scaffold structure system according to claim 1, characterized in that: The U-shaped embedded bolt assembly (10) is provided with three rows, the U-shaped embedded bolt assembly (10) comprises a U-shaped bolt (101), the lower part of the U-shaped bolt (101) is embedded in the cantilevered floor (3), and a steel mesh with a diameter of 12mm and a length of 1m*1m is additionally arranged in two directions at the embedded position, the upper ends of the two vertical parts of the U-shaped bolt (101) are fixed with an L-shaped angle steel (102) through double nuts (104), the L-shaped angle steel (102) is located above the cantilevered H-shaped steel (1), and the arrangement direction of the L-shaped angle steel (102) is perpendicular to the length direction of the cantilevered H-shaped steel (1).

7. The high-rise residential concrete long-span cantilever member site cable-stayed type cantilever scaffold structure system according to claim 1, characterized in that: ​ 8. The high-rise residential concrete large-span cantilever member site cable-stayed type cantilever scaffold structure system according to claim 7, characterized in that: Wooden wedges are filled inside the U-bolt (101) on both sides of the web of the cantilevered I-beam (1). Two 1.5m long reinforcing ribs (103) are symmetrically arranged above the horizontal part of the U-bolt (101), and the bottom of the cantilevered I-beam (1) is wedged tightly to the cantilevered floor slab (3) by wooden blocks (105).

Images