Cantilever scaffold anchoring structure

By adopting the anchor structure of the cable-stayed anchor sleeve and high-strength long bolt in the cantilever scaffolding, the local pressure and material waste of the floor slab caused by the embedded bolts are solved, and the effect of improving the load-bearing capacity and construction safety of the floor slabs is achieved, and the utilization rate of materials is improved.

CN222847789UActive Publication Date: 2025-05-09CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202421613879.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-05-09
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

In existing cantilever scaffolding, the embedded bolts are vertically anchored in the floor slab, causing large pressure points to be partially generated by the floor slab, which may cause damage to the floor slab. The embedded bolts need to be cut off after construction is completed, which increases the workload and causes waste of materials.

Method used

The anchor structure of a cable-stayed anchor sleeve and high-strength long bolt is adopted. The cable-stayed anchor sleeve is embedded in the floor slab in an inverted eight-shaped shape. The high-strength long bolts are threadedly connected to the cable-stayed anchor sleeve through the fixing sleeve. The wedges and the pressing plate can be detachably connected through the fixing parts to ensure the stability and fixing effect of the cantilever main beam.

Benefits of technology

By reducing local pressure, the floor slab load-bearing capacity and anti-population torque capacity are improved, the stability and construction safety of cantilever scaffolding are improved, and the anchor material is not required after construction is completed, which reduces the workload and improves the utilization rate of the material.

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Abstract

The utility model discloses an anchoring structure of a cantilever scaffold, which relates to the field of house building engineering construction, and comprises a pressing plate, two wedge blocks, two high-strength long bolts and two cable-stayed anchoring sleeves, the two wedge blocks are respectively positioned on a left abdominal cavity and a right abdominal cavity of a cantilever main beam, and a fixed sleeve is welded on one side of each wedge block deviating from the cantilever main beam. The two cable-stayed anchoring sleeves are embedded in the floor in an inverted splayed mode, the high-strength long bolts penetrate through the fixing sleeves and are in threaded connection with the cable-stayed anchoring sleeves, the cable-stayed anchoring sleeves are embedded in the floor, the contact area of the cable-stayed anchoring sleeves and the floor is large, local pressure can be reduced, and the bearing capacity of the floor is improved; and the cable-stayed anchoring sleeve can provide better anti-overturning moment capacity, the stability of the cantilever scaffold is improved, and the safety of the construction process is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of building construction, and specifically relates to a cantilever scaffolding anchoring structure. Background Art

[0002] Commonly used scaffolding for building construction projects include steel pipe scaffolding, cantilever scaffolding and climbing scaffolding. Among them, cantilever scaffolding includes anchoring methods such as embedded bolts and embedded door-type round steel bars.

[0003] At present, embedded bolts are commonly used as anchors. The embedded bolts are vertically anchored in the floor slab. The embedded depth is deep, which produces a large pressure point in the local area of ​​the floor slab, which may cause local damage to the floor slab. After the construction is completed, the embedded bolts protruding from the floor slab need to be cut off, which increases the workload of the workers on the one hand, and makes the embedded bolts unable to be reused on the other hand, resulting in a certain amount of waste. Utility Model Content

[0004] Aiming at the problem that the embedded bolts are vertically anchored in the floor slab, the embedded depth is deep, a large pressure point is generated in the local part of the floor slab, which may cause local damage to the floor slab, and after the construction is completed, the embedded bolts protruding from the floor slab need to be cut off, the utility model provides a cantilever scaffolding anchoring structure.

[0005] The utility model solves the technical problem by adopting a solution: a cantilever scaffold anchor structure, comprising a pressure plate, two wedges, two high-strength long bolts and two inclined anchor sleeves, the two wedges are respectively located in the left and right abdominal cavities of the cantilever main beam, and a fixing sleeve is welded on the side of the wedge away from the cantilever main beam;

[0006] The two inclined anchor sleeves are pre-buried in the floor slab in an inverted figure eight shape, and the high-strength long bolts pass through the fixing sleeves and are threadedly connected with the inclined anchor sleeves;

[0007] The pressing plate is arranged at the top end of the cantilevered main beam, and the pressing plate and the wedge block are detachably connected via fixing parts.

[0008] Preferably, the upper end of the oblique-stayed anchor sleeve is flush with the upper surface of the floor slab.

[0009] Preferably, the lower end of the oblique anchor sleeve is provided with a vertebral body.

[0010] Preferably, the wedge block is an octagonal prism, the interior of which is hollow.

[0011] Preferably, through holes are respectively provided at both ends of the pressing plate, and a reserved hole is provided at the top of the wedge block.

[0012] Preferably, the fixing member is a high-strength bolt, which passes through the reserved hole and the through hole and is threadedly connected with two nuts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model embeds the inclined anchor sleeve in the floor slab, and the contact area between the inclined anchor sleeve and the floor slab is large, which can reduce local pressure and improve the bearing capacity of the floor slab. The inclined anchor sleeve can provide better anti-overturning moment capacity, improve the stability of the cantilever scaffolding, and improve the safety of the construction process.

[0015] 2. The utility model provides high-strength long bolts and oblique anchor sleeves. On the one hand, the high-strength long bolts are passed through the fixing sleeves and threadedly connected to the oblique anchor sleeves to fix the wedges, thereby ensuring the stability of the wedges during use and ensuring the fixing effect of the cantilevered main beam. On the other hand, the high-strength long bolts are separated from the oblique anchor sleeves during the construction process, and there is no need to cut the anchor material, thereby reducing the cutting workload. In addition, the high-strength long bolts can be reused, thereby improving the utilization rate of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the left-side sectional structure of the utility model.

[0018] In the figure: 1 oblique-stayed anchor sleeve, 2 high-strength long bolt, 31 wedge block, 32 fixed sleeve, 41 nut, 42 high-strength bolt, 5 pressure plate, 6 cantilever main beam, 7 floor slab. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-2 , the utility model provides a technical solution for a cantilever scaffolding anchoring structure:

[0021] Embodiment 1:

[0022] according to Figure 1 and Figure 2 As shown, it includes a pressing plate 5, two wedge blocks 31, two high-strength long bolts 2 and two oblique anchor sleeves 1.

[0023] The wedge block 31 is an octagonal prism with a hollow interior. A reserved hole is provided on the top of the wedge block 31. The two wedge blocks 31 are respectively located in the left and right abdominal cavities of the cantilevered main beam 6. A fixing sleeve 32 is welded on the side of the wedge block 31 away from the cantilevered main beam 6.

[0024] Two inclined anchor sleeves 1 are embedded in the floor slab 7 in an inverted figure eight shape. By embedding the inclined anchor sleeves 1 in the floor slab 7, the contact area between the inclined anchor sleeves 1 and the floor slab 7 is large, which can reduce local pressure and improve the bearing capacity of the floor slab 7. In addition, the inclined anchor sleeves 1 can provide better anti-overturning moment capability, improve the stability of the cantilever scaffolding, and improve the safety of the construction process.

[0025] The high-strength long bolt 2 passes through the fixing sleeve 32 and is threadedly connected to the inclined anchor sleeve 1 to fix the wedge block 31 , thereby ensuring the stability of the wedge block 31 during use and ensuring the fixing effect of the cantilevered main beam 6 .

[0026] Through holes are respectively provided at both ends of the pressure plate 5, and the pressure plate 5 is arranged at the top of the cantilevered main beam 6. The pressure plate 5 and the wedge block 31 are detachably connected through a fixing part, and the fixing part is a high-strength bolt 42. The high-strength bolt 42 passes through the reserved hole and the through hole and is threadedly connected with two nuts 41. Through the cooperation of the high-strength bolt 42 and the nut 41, the pressure plate 5 is fixed to the top of the cantilevered main beam 6, and the cantilevered main beam 6 is pressed and fixed to ensure the stability and safety of the cantilevered main beam 6 during use.

[0027] When used specifically, the utility model is a cantilever scaffold anchoring structure. First, the specific position of the inclined anchor sleeve 1 is determined according to the construction drawings and technical specifications. Before pouring the floor slab concrete, the inclined anchor sleeve 1 is welded to the steel bars in the floor slab 7 according to the design requirements. After the inclined anchor sleeves 1 are installed one by one, the floor slab concrete is poured;

[0028] After the concrete strength of the floor slab reaches the design requirements, the cantilever main beam 6 is hoisted to the designated position, and two wedges 31 are respectively placed in the left and right abdominal cavities of the cantilever main beam 6, and then the high-strength long bolts 2 are passed through the fixing sleeves 32 and threadedly connected to the inclined anchor sleeves 1 to fix the wedges 31;

[0029] After the wedge blocks 31 are fixed one by one, the high-strength bolts 42 are passed through the reserved holes and the through holes and threadedly connected with the two nuts 41 to fix the pressing plate 5;

[0030] Finally, after all the cantilevered main beams 6 are fixed, scaffolding is set up on the cantilevered main beams 6.

[0031] Embodiment 2:

[0032] On the basis of the first embodiment, Figure 1 As shown, the upper end of the inclined anchor sleeve 1 is flush with the upper surface of the floor slab 7, so that the repair material can be filled into the inclined anchor sleeve 1 later to seal the inner cavity of the inclined anchor sleeve 1.

[0033] The lower end of the oblique-stayed anchor sleeve 1 is provided with a vertebral body, which enhances the pull-out resistance of the oblique-stayed anchor sleeve 1 and improves the anchoring effect of the oblique-stayed anchor sleeve 1 .

Claims

1. A cantilever scaffold anchor structure, comprising a pressure plate, two wedges, two high-strength long bolts and two inclined anchor sleeves, characterized in that: The two wedge blocks are respectively located at the left and right abdominal cavities of the cantilevered main beam, and a fixing sleeve is welded on the side of the wedge block away from the cantilevered main beam; The two inclined anchor sleeves are pre-buried in the floor slab in an inverted figure eight shape, and the high-strength long bolts pass through the fixing sleeves and are threadedly connected with the inclined anchor sleeves; The pressing plate is arranged at the top end of the cantilevered main beam, and the pressing plate and the wedge block are detachably connected via fixing parts.

2. The cantilever scaffolding anchoring structure according to claim 1 is characterized in that: The upper end of the inclined anchor sleeve is flush with the upper surface of the floor slab.

3. The cantilever scaffolding anchoring structure according to claim 1 is characterized in that: The lower end of the oblique anchor sleeve is provided with a vertebral body.

4. The cantilever scaffolding anchoring structure according to claim 1 is characterized in that: The wedge block is an octagonal prism, and its interior is hollow.

5. The cantilever scaffolding anchoring structure according to claim 4 is characterized in that: Through holes are respectively provided at both ends of the pressing plate, and a reserved hole is provided at the top of the wedge block.

6. The cantilever scaffolding anchoring structure according to claim 5, characterized in that: The fixing member is a high-strength bolt, which passes through the reserved hole and the through hole and is threadedly connected with two nuts.