Detachable anchoring structure and corresponding overhanging scaffold

The design of the detachable anchoring structure solves the problem of the difficulty in reusing the fixed structure of scaffolding, realizes flexible installation and dismantling, reduces waste and cost, and improves safety.

CN224314564UActive Publication Date: 2026-06-02JIANGXI CONSTR ENG (GRP) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI CONSTR ENG (GRP) CO LTD
Filing Date
2025-02-25
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing scaffolding fixing structures are difficult to reuse, resulting in serious waste. Traditional round steel collars are inconvenient to install and dismantle, and cannot meet the needs of construction projects.

Method used

A detachable anchoring structure is provided, including a bottom steel plate, bolt rods, sleeves, I-beams, long timbers, pressure plates, and nuts. It is detachable and fixed by threaded connection. During installation, it is embedded in the structural floor slab. After the concrete reaches the required strength, the I-beams are installed and fixed. During removal, it can be completely removed by simply unscrewing the nuts and tapping the bolt rods.

Benefits of technology

It enables flexible installation and disassembly of the anchoring structure, reduces waste, meets the requirements for load-bearing capacity and stability, reduces engineering construction costs, and improves safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a detachable anchoring structure and a corresponding cantilever scaffold, with a bottom steel plate embedded inside the structural floor slab. Strips are embedded inside the structural floor slab, arranged circumferentially along the bottom steel plate. One side of the strip connects to the bottom steel plate, and the other side connects to the structural floor slab. One end of a bolt rod is located inside the structural floor slab and connected to the bottom steel plate, while the other end protrudes from the structural floor slab. A sleeve is fitted onto the bolt rod, with one end located inside the structural floor slab and connected to the bottom steel plate. The other end of the sleeve protrudes from the structural floor slab. An I-beam is connected to the upper end of the structural floor slab, and a long timber is connected to the upper end of the I-beam. A pressure plate is located at the upper end of the sleeve, and the pressure plate has a through hole, through which it is fitted onto the bolt rod. A nut is detachably connected to the bolt rod via threads, and the nut can cooperate with the long timber to limit the pressure plate in the vertical direction.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a detachable anchoring structure and a corresponding cantilever scaffold. Background Technology

[0002] In modern society, scaffolding is widely used in the construction industry. Existing scaffolding typically uses traditional round steel collars for fixing; however, the bending of these collars often fails to meet requirements, and their installation and dismantling are inconvenient for users. Therefore, existing scaffolding fixing structures are difficult to reuse. Consequently, existing scaffolding fixing structures present a significant technical problem that can lead to considerable waste.

[0003] Therefore, it is necessary to provide a detachable anchoring structure and a corresponding cantilever scaffolding to solve the above-mentioned technical problems. Utility Model Content

[0004] This utility model provides a detachable anchoring structure, which effectively solves the technical problem that existing scaffolding fixing structures are prone to causing significant waste.

[0005] This utility model provides a detachable anchoring structure for fixing the frame of a cantilever scaffold, comprising:

[0006] The bottom steel plate is embedded inside the structural floor slab;

[0007] The slats are embedded inside the structural floor slab, arranged along the circumference of the bottom steel plate, with one side connected to the bottom steel plate and the other side connected to the structural floor slab;

[0008] The bolt rod has one end located inside the structural floor slab and connected to the bottom steel plate, and the other end protruding from the structural floor slab.

[0009] A sleeve is fitted onto the bolt rod, with one end located inside the structural floor slab and connected to the bottom steel plate, and the other end protruding from the structural floor slab. The diameter of the sleeve is 24.5mm-25.5mm.

[0010] I-beams are connected to the upper end of the structural floor slab;

[0011] A long wooden beam is attached to the upper end of the I-beam;

[0012] A pressure plate is provided at the upper end of the sleeve, and the pressure plate is provided with a through hole. The pressure plate is sleeved on the bolt rod through the through hole.

[0013] The nut is detachably connected to the bolt rod via a thread and is used to limit the pressure plate in the vertical direction by cooperating with the long wooden block.

[0014] Furthermore, the detachable anchoring structure also includes a plastic film wrapped around the outside of the bottom steel plate.

[0015] Furthermore, the bottom steel plate is square, with a side length of 250mm-300mm and a thickness of 12mm-16mm.

[0016] Furthermore, the pressure plate is rectangular, with a length of 250mm-300mm, a width of 98mm-102mm, and a thickness of 12mm-16mm.

[0017] Furthermore, the width of the strip is 29.5mm-30.5mm.

[0018] Furthermore, the bottom steel plate also includes a first rounded corner, which is located at the corner of the bottom steel plate.

[0019] Furthermore, the pressure plate also includes a second rounded corner, which is located at the corner of the pressure plate.

[0020] Furthermore, the bottom steel plate and the bolt rod are connected by welding.

[0021] Furthermore, the bottom steel plate is provided with drilled holes, and the bolt rod is connected to the bottom steel plate through the drilled holes.

[0022] A cantilever scaffolding comprising any of the detachable anchoring structures described above.

[0023] Compared with the prior art, the advantages of this utility model are as follows: This utility model provides a detachable anchoring structure, which includes a bottom steel plate, bolt rods, I-beams, long timbers, a pressure plate, and nuts. During installation, the user embeds the bottom steel plate and bolt rods in the structural floor slab, and then fits a sleeve onto the bolt rods. After the concrete of the structural floor slab reaches its strength, the user installs the I-beams at the top of the slab, securing them with the pressure plate and long timbers. The user then threads the nuts onto the bolts, allowing the nuts to work with the long timbers to limit the pressure plate, thus completing the installation of the anchoring structure. To dismantle the anchoring structure, the user only needs to unscrew the nuts, remove the pressure plate, and lift the I-beams. The anchoring device can be completely removed by gently tapping the four bolt rods downwards with a hard object. Therefore, the installation and dismantling of this anchoring structure are flexible and convenient, making it suitable for repeated use. This anchoring structure avoids waste and effectively solves the technical problem of significant waste caused by existing scaffolding fixing structures. Furthermore, this anchoring structure meets the load-bearing capacity and stability requirements of the scaffolding frame. It effectively saves on construction costs and boasts excellent safety performance, ensuring the safety of the scaffolding frame during use. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments are briefly introduced below. The drawings described below are only the corresponding drawings of some embodiments of this utility model.

[0025] Figure 1 This is a schematic diagram of an embodiment of the detachable anchoring structure of this utility model.

[0026] Figure 2 This is a schematic diagram of the bottom steel plate and bolt rod of an embodiment of the detachable anchoring structure of this utility model.

[0027] Figure 3 This is a schematic diagram of the sleeve structure of one embodiment of the detachable anchoring structure of this utility model.

[0028] Figure 4 This is a schematic diagram of the plastic film structure of one embodiment of the detachable anchoring structure of this utility model.

[0029] Figure 5 This is a schematic diagram of the long timber and I-beam of one embodiment of the detachable anchoring structure of this utility model.

[0030] In the diagram, 10 is the anchoring structure; 11 is the bottom steel plate; 111 is the plastic film; 12 is the bolt rod; 13 is the sleeve; 14 is the I-beam; 15 is the long timber; 16 is the pressure plate; 17 is the nut; 18 is the strip; and 19 is the structural floor slab. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to limit this utility model.

[0033] The terms "first" and "second" in this utility model are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as a restriction on the order of events.

[0034] In the diagram, units with similar structures are represented by the same labels.

[0035] Please refer to Figure 1 This utility model provides a detachable anchoring structure 10, which can be used to fix the frame of a cantilever scaffold. The detachable anchoring structure 10 is applied to a cantilever scaffold and includes a bottom steel plate 11, bolt rods 12, sleeves 13, I-beams 14, long timbers 15, pressure plates 16, nuts 17, and strips 1818. The bottom steel plate 11 is embedded inside the structural floor slab 19, and the strips 18 are embedded inside the structural floor slab 19, arranged circumferentially along the bottom steel plate 11. The bottom steel plate 11 is square, with a side length of 250mm-300mm and a thickness of 12mm-16mm.

[0036] Please refer to Figure 1 One side of the strip 18 is connected to the bottom steel plate 11, and the other side is connected to the structural floor slab 19. The width of the strip 18 is 29.5mm-30.5mm. The strip 18 is flush with the edge of the bottom steel plate 11, preventing the concrete of the structural floor slab 19 from contacting the edge of the bottom steel plate 11. Furthermore, when the anchoring structure 10 is removed, the bottom steel plate 11 will not damage the surrounding concrete, thus avoiding any adverse effects on the floor structure.

[0037] Please refer to Figure 1 and Figure 2One end of the bolt rod 12 is located inside the structural floor slab 19. One end of the bolt rod 12 is connected to the bottom steel plate 11, and the other end protrudes from the structural floor slab 19. In this embodiment, the bolt rod can be a high-strength bolt rod, and the number of bolt rods is four. A drilled hole is provided on the bottom steel plate 11, through which the bolt rod 12 is connected to the bottom steel plate 11. This drilled hole allows for positioning of the bolt rod 12, making the connection between the bolt rod 12 and the bottom steel plate 11 more convenient. The bottom steel plate 11 and the bolt rod 12 are connected by welding, therefore, the connection between the bottom steel plate 11 and the bolt rod 12 is relatively stable. Even if the user uses the detachable anchoring structure 10 for a long time, the bolt rod 12 and the bottom steel plate 11 will not loosen.

[0038] Please refer to Figure 1 , Figure 3 and Figure 4 A sleeve 13 is fitted onto the bolt rod 12, with one end of the sleeve 13 located inside the structural floor slab 19. The sleeve 13 is connected to the bottom steel plate 11. The other end of the sleeve 13 protrudes from the structural floor slab 19. The diameter of the sleeve 13 is 24.5mm-25.5mm. The sleeve 13 isolates the bolt rod 12 from the concrete of the structural floor slab 19. In this embodiment, the sleeve is a PVC pipe, i.e., a polyvinyl chloride pipe. An I-beam 14 is connected to the upper end of the structural floor slab 19, and long timber 15 is connected to the upper end of the I-beam 14. The scaffold frame can be installed on the upper end of the I-beam 14, which provides support for the scaffold frame.

[0039] Please refer to Figure 1 A pressure plate 16 is disposed at the upper end of the sleeve 13, and a through hole is provided on the pressure plate 16. The pressure plate 16 is fitted onto the bolt rod 12 through the through hole, and the pressure plate 16 is rectangular. In this embodiment, there are two pressure plates. One pressure plate is fitted onto two bolt rods 12. The length of the pressure plate 16 is 250mm-300mm, the width of the pressure plate 16 is 98mm-102mm, and the thickness of the pressure plate 16 is 12mm-16mm. The nut 17 is detachably connected to the bolt rod 12 by threads, and the nut 17 is used to limit the pressure plate 16 in the vertical direction when it cooperates with the long wooden block 15. The pressure plate 16 can be fixed by bolts and nuts 17, so that the user can easily install and remove the pressure plate 16. During the installation of the pressure plate 16, the user should control the pressure plate 16 to be horizontal and take measures to prevent the pressure plate 16 from tilting, so as to ensure that the pre-embedded structure is subjected to reasonable stress.

[0040] Please refer to Figure 1 and Figure 5The detachable anchoring structure 10 also includes a plastic film 111, which is wrapped around the outside of the bottom steel plate 11. The plastic film 111 serves to isolate the bottom steel plate 11 from the concrete of the structural floor slab 19. The bottom steel plate 11 also includes a first rounded corner, located at the corner of the bottom steel plate 11. Because the bottom steel plate 11 also has a first rounded corner, the corners of the bottom steel plate 11 will not injure the user's hands during construction. The pressure plate 16 also includes a second rounded corner, located at the corner of the pressure plate 16. Because the pressure plate 16 also has a second rounded corner, the corners of the pressure plate 16 will not injure the user's hands during construction.

[0041] The installation process of this utility model is as follows: First, the user selects two pieces of Q235 steel. Q235 steel has a moderate carbon content, good overall performance, and a good balance of strength, plasticity, and weldability, and it has the widest range of applications. The two pieces of steel can be used to make a square bottom steel plate 11 and a rectangular pressure plate 16, respectively. Before cutting the steel plates, the user first marks and positions the steel plates to ensure that the edges of the steel plates are flat and straight. After the steel plates are cut, the user can use an angle grinder to smooth the rough edges around the steel plates. To prevent the user's hands from being injured by the corners of the bottom steel plate 11 and the pressure plate 16, the user sets a first rounded corner at the corner of the bottom steel plate 11 and a second rounded corner at the corner of the pressure plate 16.

[0042] Then, the user drills holes in the bottom steel plate 11. Bolt rods 12 are connected to the bottom steel plate 11 through these holes, and the bolt rods 12 and the bottom steel plate 11 are welded together. Next, the user fits a sleeve 13 onto the bolt rod 12, which isolates the concrete of the structural floor slab from the bolt rod 12. Subsequently, the user embeds slats 18 inside the structural floor slab 19, and then wraps a plastic film 111 around the outside of the bottom steel plate 11, pressing it under the slats 18. The user can also apply a release agent to the bottom steel plate 11 to isolate it from the concrete of the structural floor slab. The user embeds the bottom steel plate 11 and bolt rods 12 in the structural floor slab 19, ensuring that the concrete of the structural floor slab is isolated from the bottom steel plate 11. The slats 18 are arranged circumferentially along the bottom steel plate 11. After the concrete of the structural floor slab 19 reaches its strength, the user installs I-beams 14 at the top of the structural floor slab 19. Moreover, the arrangement of the I-beams 14 must be accurate and orderly. The I-beams 14 must be centered in the embedded structure, that is, set in the center of the bottom steel plate 11.

[0043] After the I-beams 14 are arranged, the user installs the long timber 15 on the upper end of the I-beams 14. Then, the user fits the pressure plate 16 onto the bolt rod 12 through the through hole. Next, the user connects the nut 17 to the bolt rod 12. The user manually tightens the nut 17 beforehand. After the pressure plate 16 is fully manually tightened, the user uses a wrench to tighten the nut 17 securely. Thus, the nut 17, in conjunction with the long timber 15, can limit the vertical movement of the pressure plate 16. During the installation of the pressure plate 16, the user should control the pressure plate 16 to remain horizontal and take measures to prevent it from tilting, which helps ensure reasonable stress distribution on the embedded structure. Afterwards, the user completes the installation of the anchoring structure 10. Then, the user can erect the cantilevered scaffolding on the anchoring structure 10.

[0044] This utility model provides a detachable anchoring structure, which includes a bottom steel plate, bolt rods, I-beams, long timbers, a pressure plate, and nuts. During installation, the user embeds the bottom steel plate and bolt rods into the structural floor slab, and then fits a sleeve onto the bolt rods. After the concrete of the structural floor slab reaches its strength, the user installs the I-beams at the top of the slab, securing them with the pressure plate and long timbers. The user then threads the nuts onto the bolts, allowing the nuts to engage with the long timbers to limit the pressure plate's position, thus completing the installation of the anchoring structure. To dismantle the anchoring structure, the user simply unscrews the nuts, removes the pressure plate, and lifts away the I-beams. The anchoring device can be completely removed by gently tapping the four bolt rods downwards with a hard object. Therefore, the installation and dismantling of this anchoring structure are flexible and convenient, facilitating reuse. This anchoring structure avoids waste and effectively solves the technical problem of significant waste in existing scaffolding fixing structures. Furthermore, this anchoring structure meets the load-bearing capacity and stability requirements of the scaffolding frame. This anchoring structure effectively saves on construction costs and offers excellent safety performance, ensuring the safety of the scaffolding frame during use.

[0045] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.

Claims

1. A detachable anchoring structure for fixing operation of a frame of a cantilevered scaffold, characterized by, It includes, The bottom steel plate is embedded inside the structural floor slab; The slats are embedded inside the structural floor slab, arranged along the circumference of the bottom steel plate, with one side connected to the bottom steel plate and the other side connected to the structural floor slab; The bolt rod has one end located inside the structural floor slab and connected to the bottom steel plate, and the other end protruding from the structural floor slab. A sleeve is fitted onto the bolt rod, with one end located inside the structural floor slab and connected to the bottom steel plate, and the other end protruding from the structural floor slab. The diameter of the sleeve is 24.5mm-25.5mm. I-beams are connected to the upper end of the structural floor slab; A long wooden beam is attached to the upper end of the I-beam; A pressure plate is provided at the upper end of the sleeve, and the pressure plate is provided with a through hole. The pressure plate is sleeved on the bolt rod through the through hole. The nut is detachably connected to the bolt rod via a thread and is used to limit the pressure plate in the vertical direction by cooperating with the long wooden block. The strip is closely attached to the edge of the bottom steel plate. The installation of the strip prevents the concrete of the structural floor slab from contacting the edge of the bottom steel plate. Moreover, when the anchoring structure is removed, the bottom steel plate will not damage the concrete around the bottom steel plate, thus avoiding any adverse effects on the floor slab structure. The detachable anchoring structure also includes a plastic film wrapped around the outside of the bottom steel plate; the plastic film can be used to isolate the bottom steel plate from the concrete of the structural floor slab.

2. The detachable anchoring structure of claim 1, wherein The bottom steel plate is square, with a side length of 250mm-300mm and a thickness of 12mm-16mm.

3. The detachable anchoring structure of claim 1, wherein The pressure plate is rectangular, with a side length of 250mm-300mm, a width of 98mm-102mm, and a thickness of 12mm-16mm.

4. The detachable anchoring structure of claim 1, wherein The width of the strip is 29.5mm-30.5mm.

5. The detachable anchoring structure of claim 2, wherein The bottom steel plate also includes a first rounded corner, which is located at the corner of the bottom steel plate.

6. The detachable anchoring structure of claim 3, wherein The pressure plate also includes a second rounded corner, which is located at the corner of the pressure plate.

7. The detachable anchoring structure of claim 1, wherein The bottom steel plate and the bolt rod are connected by welding.

8. The detachable anchoring structure of claim 1, wherein The bottom steel plate has drilled holes, and the bolt rod is connected to the bottom steel plate through the drilled holes.

9. A cantilevered scaffold characterized by, It includes the detachable anchoring structure as described in any one of claims 1-8.