Cantilever frame bottom plugging structure

Abstract

The invention provides a cantilever frame bottom plugging structure, and relates to the field of building construction. The cantilever frame bottom plugging structure comprises a wall body, two pieces of cantilever I-shaped steel, a convenient dismounting mechanism and a cantilever frame plugging mechanism. According to the invention, by arranging a convenient dismounting mechanism, four connecting holes can be formed in the top of the cantilever I-shaped steel, first vertical rods are inserted, a bottom plate fixed on the surfaces of the first vertical rods is in lap joint with the top surface of the I-shaped steel to form initial support, a plurality of through holes are formed in the bottom plate and the cantilever I-shaped steel, and limiting pins are inserted to fix the positions of the bottom plate and the cantilever I-shaped steel; the bottom of the cantilever I-shaped steel is connected with a supporting shaft through a damping bearing, a limiting block fixed to the shaft is embedded into the limiting groove of the limiting pin, a rough pad on the surface of the limiting block enhances friction force and prevents the limiting pin from loosening, and a fixing ring at the bottom end of the supporting shaft can rotate through external force. And the limiting block is driven to be clamped or loosened, so that the cantilever I-shaped steel and the cantilever frame plugging mechanism on the first vertical rod are quickly mounted.

Description

Technical Field

[0001] This invention relates to the field of building construction, specifically to a bottom sealing structure for a cantilever frame. Background Technology

[0002] Construction refers to the production activities during the implementation phase of a project. It is the process of building various types of buildings, or the process of turning the lines on the design drawings into physical objects at designated locations. In construction, cantilever scaffolds, as an important support structure, are widely used in high-rise buildings, bridges, and other projects. Sealing the bottom of the scaffold is a key step in ensuring construction safety and efficiency.

[0003] However, existing traditional formwork sealing methods suffer from inconvenient and cumbersome installation, resulting in a time-consuming installation process involving formwork splicing, fixing, and debugging. This is particularly problematic in high-rise buildings, where sealing multiple layers of cantilevered scaffolds can cause delays and impact overall construction progress. Therefore, those skilled in the art have developed a bottom sealing structure for cantilevered scaffolds to address the problems described in the background section. Summary of the Invention

[0004] 1. Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a bottom sealing structure for cantilever scaffolding, which solves the problems of inconvenient disassembly and low construction efficiency of traditional bottom sealing structures for cantilever scaffolding.

[0005] 2. Technical Solution To achieve the above objectives, the present invention provides the following technical solution: A cantilever frame bottom sealing structure includes a wall, two cantilever I-beams, a convenient disassembly mechanism, and a cantilever frame sealing mechanism. The convenient disassembly mechanism includes four connecting holes on the top of the two cantilever I-beams. A first upright is inserted into each of the four connecting holes. A base plate is fixedly connected to the surface of each of the four first uprights. The base plate overlaps the top of the cantilever I-beams. Several through holes are opened inside both the base plate and the cantilever I-beams. Four sets of limiting pins are inserted into the several through holes. Limiting grooves are opened on the sides of the limiting pins. A damping bearing is fixedly connected to the bottom of the cantilever I-beams. A support shaft is rotatably connected inside the damping bearing. A limiting block is fixedly connected to the surface of the support shaft. A rough pad is provided on the surface of the limiting block. The limiting block is located inside the limiting groove. A fixing ring is fixedly connected to the bottom end of the support shaft. Through the above technical solution, by setting up a convenient disassembly mechanism, four connecting holes can be opened on the top of the cantilevered I-beam, and the first upright can be inserted. The base plate fixed on the surface of the first upright overlaps with the top surface of the I-beam to form initial support. Several through holes are provided in both the base plate and the cantilevered I-beam, and limit pins are inserted to fix their positions. The limit groove on the side of the limit pin provides an interface for subsequent locking. The bottom of the cantilevered I-beam is connected to the support shaft through a damping bearing. The limit block fixed on the shaft is embedded in the limit groove of the limit pin. The rough pad on the surface of the limit block enhances the friction and prevents the limit pin from loosening. The fixing ring at the bottom of the support shaft can be rotated by external force to drive the limit block to lock or loosen, realizing the rapid installation and disassembly of the cantilevered I-beam and the cantilevered frame sealing mechanism on the first upright, while ensuring the stability of the structure under load.

[0006] Furthermore, two cantilevered I-beams overlap the side of the wall, and four high-strength expansion bolts are installed inside the cantilevered I-beams and inside the wall. Silicone pads are installed on the sides of both cantilevered I-beams. With the above technical solution, the cantilevered I-beam is fixed to the wall by four high-strength expansion bolts, and the silicone pads on the side can buffer vibration and enhance sealing.

[0007] Furthermore, the cantilever frame blocking mechanism includes a first disc fixedly connected to the top of each of the four first uprights. Four sets of fixing seats are attached to the surface of the four first discs. The interior of each fixing seat and the interior of the first disc are provided with a first positioning hole. A pin is inserted into the interior of the first positioning hole. A disc-type crossbar is fixedly connected to the side of each of the four sets of fixing seats. Six sets of L-shaped plates are attached to the surface of two of the disc-type crossbars. Three matching scaffold boards are fixedly connected to the side of the six sets of L-shaped plates. A first threaded groove is provided on the top of each of the four first discs. Through the above technical solution, by setting up a cantilevered frame sealing mechanism, a first disc fixed at the top of the first upright can be used as a connecting base, with its surface overlapping the fixed seat. The two are quickly positioned and locked through the first positioning hole and the pin, without the need for welding or complex tools. A disc-type crossbar extends from the side of the fixed seat, forming a platform frame and a stable quadrilateral force system. Six sets of L-shaped plates overlap on the disc-type crossbar, and the L-shaped plates connect to three matching scaffold boards to achieve the bottom sealing effect. The first threaded groove at the top of the first disc can connect to the second upright (with external threads on the surface), which can be further extended upwards to form a closed bottom protective surface, while providing an expandable operating platform to meet the needs of construction protection and operation.

[0008] Furthermore, each of the four first uprights is fixedly connected to a first support block, and a baffle plate is inserted into the interior of each of the four first support blocks; With the above technical solution, the first support block fixed on the surface of the first upright adopts a concave design, and the edge of the baffle plate can be directly inserted into the support block without bolts or welding, which facilitates the formation of a horizontal protective layer at the bottom of the cantilever frame to prevent small objects such as steel bar ends and welding rods falling from the upper layer from hitting the personnel at the bottom.

[0009] Furthermore, each of the four first threaded grooves is threaded with a second upright, each of the four second uprights is provided with an external thread, each of the four second uprights is fixedly connected with a second disc, each of the four second discs is provided with a plurality of second positioning holes on its top, each of the four second discs is provided with a second threaded groove on its top, and each of the four second uprights is fixedly connected with a second support block. Through the above technical solution, the second upright is screwed into the first threaded groove (internal thread matching) of the first disc through the external thread on its surface. The threaded connection has a self-locking function, which improves the vibration resistance performance compared with the traditional fastener connection, and no additional tools are required for fastening. Several second positioning holes are opened on the top of the second disc, which can be used to connect the horizontal rods through pins, improving the extension flexibility of the device. The specifications of the second threaded groove in the center of the second disc are the same as those of the first threaded groove, which supports the continued screwing of the third layer of uprights, realizing the infinite expansion of the protection height. The second support block fixed on the surface of the second upright has a similar structure to the first support block, but is taller, and can be used to install the upper baffle to form a double layer of protection.

[0010] Furthermore, several limiting holes are provided inside the two disc-type crossbars and the six sets of L-shaped plates, and six limiting rods are inserted into the several limiting holes; With the above technical solution, the limiting rod can be fixed by simply inserting it into the limiting hole without bolts or nuts, thus playing an auxiliary role in fixing the three matching scaffold boards.

[0011] Furthermore, the tops of all three of the aforementioned matching scaffold boards are provided with anti-slip textures; The anti-slip texture, achieved through the aforementioned technical solution, can be used to prevent slipping on people's feet, and is particularly suitable for wet skateboard surfaces in rainy weather, thus improving personnel safety.

[0012] Furthermore, a convex sealing strip is fixedly connected inside the two matching scaffold boards, and a concave sealing strip is fixedly connected inside the two matching scaffold boards, wherein the convex sealing strip and the concave sealing strip are adapted to each other; The above technical solution, with its combination of convex and concave sealing strips, achieves a waterproof effect and improves sealing performance.

[0013] Furthermore, the side of the matching scaffold board is threaded with four support bolts, the surface of each of the four support bolts is threaded with a vertical plate, the top of each of the four vertical plates is fixedly connected with a vertical hanger locking member, the interior of each of the two sets of vertical hanger locking members is fitted with a horizontal I-beam, the surface of each of the two horizontal I-beams is fitted with four oblique hanger locking members, the interior of each of the two sets of oblique hanger locking members is fitted with a load-bearing I-beam, the top of each of the two load-bearing I-beams is fixedly connected with a cantilever ring seat, one of the load-bearing I-beams is hinged with a tread on the side, the side of the tread is hinged with a vertical I-beam, and the tread in the middle is designed to connect the cantilever beam at the corner and be laid on the floor slab at the non-corner location; Through the above technical solution, by setting up horizontal and load-bearing H-beams, the supporting bolts and vertical plates can form vertical support. Then, the horizontal and load-bearing H-beams, together with the vertical and diagonal hanger locking parts, form a three-dimensional reinforcement system in both horizontal and diagonal directions. This structure can effectively distribute and transfer loads, improve the overall deformation and overturning resistance of the sealing structure, and support construction personnel and materials more stably, reducing the risk of structural damage caused by loads. By setting up cantilever ring seats, it is easy to connect with external objects by hook. By setting up vertical H-beams and treads, it is easy to provide connecting support for the cantilever beams at the corners.

[0014] 3. Beneficial effects This invention provides a bottom sealing structure for a cantilever frame. It has the following beneficial effects: 1. This invention provides a bottom sealing structure for a cantilever frame. By setting a convenient disassembly mechanism, four connecting holes can be opened at the top of the cantilever I-beam, and a first upright can be inserted. The base plate fixed to the surface of the first upright overlaps with the top surface of the I-beam to form initial support. Several through holes are provided in both the base plate and the cantilever I-beam, and limit pins are inserted to fix their positions. The limit groove on the side of the limit pin provides an interface for subsequent locking. The bottom of the cantilever I-beam is connected to the support shaft through a damping bearing. The limit block fixed on the shaft is embedded in the limit groove of the limit pin. The rough pad on the surface of the limit block enhances the friction and prevents the limit pin from loosening. The fixing ring at the bottom of the support shaft can be rotated by external force to drive the limit block to lock or loosen, realizing the rapid installation and disassembly of the cantilever I-beam and the cantilever frame sealing mechanism on the first upright, while ensuring the stability of the structure under load.

[0015] 2. This invention provides a bottom sealing structure for a cantilever frame. By setting up a cantilever frame sealing mechanism, a first disc fixed at the top of the first upright can be used as a connecting base, with its surface overlapping the fixed base. The two are quickly positioned and locked through a first positioning hole and a pin, without the need for welding or complex tools. A disc-type crossbar extends from the side of the fixed base, forming a platform frame and a stable quadrilateral force system. Six sets of L-shaped plates overlap on the disc-type crossbar, and the L-shaped plates connect to three matching scaffold boards to achieve the bottom sealing effect. The first threaded groove at the top of the first disc can connect to a second upright (with external threads on the surface), which can be further extended upwards to form a closed bottom protective surface. At the same time, it provides an expandable operating platform to meet the needs of construction protection and operation.

[0016] 3. This invention provides a bottom sealing structure for a cantilever frame. The second upright is screwed into the first threaded groove (internal thread matching) of the first disc via an external thread. The threaded connection has a self-locking function, which improves vibration resistance compared to traditional fastener connections and does not require additional tools for fastening. Several second positioning holes are opened on the top of the second disc, which can be used to connect transverse members through pins, improving the extension flexibility of the device. The specifications of the second threaded groove in the center of the second disc are the same as those of the first threaded groove, supporting the continued screwing of a third layer of uprights to achieve unlimited expansion of the protection height. The second support block fixed on the surface of the second upright has a similar structure to the first support block, but is taller and can be used to install an upper baffle to form a double-layer protection. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall front view of the first embodiment of the present invention; Figure 2 This is a partial exploded side view of the convenient disassembly mechanism of the present invention; Figure 3 This is a bottom view of the convenient disassembly mechanism of the present invention. Figure 4 This is a frontal exploded view of the cantilever frame blocking mechanism of the present invention; Figure 5 for Figure 1 Exploded side view of the first disc and the second upright; Figure 6 This is a top-view exploded cross-sectional schematic diagram of the cantilever blocking mechanism of the present invention; Figure 7 for Figure 1 Exploded side view of the concave and convex sealing strips; Figure 8 This is a schematic diagram of the overall front view of the second embodiment of the present invention.

[0018] Among them, 1. Wall; 2. Cantilevered I-beam; 3. High-strength expansion bolt; 4. Silicone pad; 5. Convenient disassembly mechanism; 501. Base plate; 502. Through hole; 503. Limiting pin; 504. Limiting groove; 505. Damping bearing; 506. Support shaft; 507. Limiting block; 508. Rough pad; 509. Fixing ring; 6. First upright; 7. Cantilevered frame sealing mechanism; 701. First disc; 702. Fixing seat; 703. First positioning hole; 704. Pin; 705. Disc-type crossbar; 706. First threaded groove; 707. L-shaped plate; 70 8. Matching scaffold boards; 8. First support block; 9. Stop plate; 10. Second upright; 11. Second support block; 12. Second disc; 13. Second positioning hole; 14. Second threaded groove; 15. Connecting hole; 16. Limiting hole; 17. External thread; 18. Limiting rod; 19. Anti-slip texture; 20. Convex sealing strip; 21. Concave sealing strip; 22. Support bolt; 23. Vertical plate; 24. Vertical hanger locking device; 25. Horizontal I-beam; 26. Diagonal hanger locking device; 27. Load-bearing I-beam; 28. Cantilever ring seat; 29. ​​Step; 30. Vertical I-beam. Detailed Implementation

[0019] The technical solutions of the specific embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Specific implementation method 1: like Figure 1 , Figure 2 and Figure 3As shown, this embodiment is suitable for use in cantilever operations at heights. A specific embodiment of the present invention provides a bottom sealing structure for a cantilever frame, including a wall 1, two cantilever I-beams 2, a convenient disassembly mechanism 5, and a cantilever frame sealing mechanism 7. The convenient disassembly mechanism 5 includes four connecting holes 15 opened at the top of the two cantilever I-beams 2. A first upright 6 is inserted into each of the four connecting holes 15. A base plate 501 is fixedly connected to the surface of each of the four first uprights 6, and the base plate 501 overlaps the top of the cantilever I-beams 2. Both the base plate 501 and the cantilevered I-beam 2 have several through holes 502 inside. Four sets of limiting pins 503 are inserted into each of the through holes 502. Limiting grooves 504 are formed on the sides of the limiting pins 503. A damping bearing 505 is fixedly connected to the bottom of the cantilevered I-beam 2. A support shaft 506 is rotatably connected inside the damping bearing 505. A limiting block 507 is fixedly connected to the surface of the support shaft 506. A rough pad 508 is provided on the surface of the limiting block 507, which is located in the limiting groove 504. Inside the 04, a fixing ring 509 is fixedly connected to the bottom end of the support shaft 506. Through a convenient disassembly mechanism 5, four connecting holes 15 can be opened at the top of the cantilevered I-beam 2, and the first upright 6 can be inserted. The base plate 501 fixed to the surface of the first upright 6 overlaps with the top surface of the I-beam, forming initial support. Several through holes 502 are provided in both the base plate 501 and the cantilevered I-beam 2, into which limiting pins 503 are inserted to fix their positions. The limiting groove 504 on the side of the limiting pin 503 provides an interface for subsequent locking. The bottom of the I-beam 2 is connected to the support shaft 506 via a damping bearing 505. A limiting block 507 fixed on the shaft is embedded in the limiting groove 504 of the limiting pin 503. The rough pad 508 on the surface of the limiting block 507 enhances the friction and prevents the limiting pin 503 from loosening. The fixing ring 509 at the bottom of the support shaft 506 can be rotated by external force to drive the limiting block 507 to lock or loosen, so as to realize the quick installation and disassembly of the cantilever I-beam 2 and the cantilever frame sealing mechanism 7 on the first upright 6, while ensuring the stability of the structure under load.

[0021] Please see Figure 1 , Figure 4 and Figure 5The wall 1 has two cantilevered I-beams 2 attached to its side. Four high-strength expansion bolts 3 are installed inside the cantilevered I-beams 2 and the wall 1. Silicone pads 4 are installed on the sides of both cantilevered I-beams 2. The cantilevered I-beams 2 are fixed to the wall 1 by the four high-strength expansion bolts 3. The silicone pads 4 on the sides can buffer vibration and enhance sealing. The cantilevered frame sealing mechanism 7 includes first discs 701 fixedly connected to the tops of four first uprights 6. Four sets of fixing seats 702 are attached to the surfaces of the four first discs 701. First positioning holes 703 are opened inside the fixing seats 702 and the first discs 701. Pins 704 are inserted into the first positioning holes 703. Disc-type crossbars 705 are fixedly connected to the sides of the four sets of fixing seats 702. Six sets of L-shaped plates 707 are attached to the surfaces of the two disc-type crossbars 705. Three matching... The scaffold board 708 has a first threaded groove 706 on the top of each of the four first discs 701. By setting up a cantilevered frame sealing mechanism 7, the first disc 701 fixed at the top of the first upright 6 can be used as a connecting base. The surface overlaps with the fixed seat 702. The two are quickly positioned and locked through the first positioning hole 703 and the pin 704 without welding or complicated tools. The side of the fixed seat 702 extends into a disc-type crossbar 705, which forms the platform frame and a stable quadrilateral force system. Six sets of L-shaped plates 707 overlap on the disc-type crossbar 705. The L-shaped plates 707 connect to three matching scaffold boards 708 to achieve the bottom sealing effect. The first threaded groove 706 on the top of the first disc 701 can connect to the second upright 10 (with external threads 17 on the surface), which can be further extended upward to form a closed bottom protection surface. At the same time, it provides an expandable operating platform to meet the needs of construction protection and operation.

[0022] Please see Figure 1 and Figure 5Each of the four first uprights 6 has a first support block 8 fixedly connected to its surface. A baffle plate 9 is inserted into the interior of each of the four first support blocks 8. The first support blocks 8 fixed to the surface of the first uprights 6 have a recessed design, allowing the edge of the baffle plate 9 to be directly inserted into the support block without bolts or welding. This facilitates the formation of a horizontal protective layer at the bottom of the cantilever frame, preventing small objects such as falling steel bars and welding rods from the upper level from hitting personnel at the bottom. Each of the four first threaded grooves 706 has a second upright 10 threadedly connected to its interior. Each of the four second uprights 10 has an external thread 17 on its surface. Each of the four second uprights 10 has a second disc 12 fixedly connected to its top. The top of each of the four second discs 12 has several second positioning holes 13 and a second threaded groove 14. The surface of each upright 10 is fixedly connected with a second support block 11. The second upright 10 is screwed to the first threaded groove 706 (internal thread matching) of the first disc 701 through the external thread 17. The threaded connection has a self-locking function. Compared with the traditional fastener connection, the vibration resistance is improved and no additional tools are required for fastening. Several second positioning holes 13 are opened on the top of the second disc 12. The horizontal rod can be connected through the pin 704 to improve the extension flexibility of the device. The second threaded groove 14 in the center of the second disc 12 has the same specifications as the first threaded groove 706, which supports the continued screwing of the third layer of uprights to achieve unlimited expansion of the protection height. The second support block 11 fixed on the surface of the second upright 10 has a similar structure to the first support block 8, but is taller. It can be used to install the upper baffle 9 to form a double layer of protection.

[0023] Please see Figure 6 and Figure 7 The interior of the two disc-type crossbars 705 and the interior of the six sets of L-shaped plates 707 are provided with several limiting holes 16. Six limiting rods 18 are inserted into the limiting holes 16. The limiting rods 18 do not require bolts or nuts and can be directly inserted into the limiting holes 16 to complete the fixation, thereby playing a role in auxiliary fixation of the three matching scaffold boards 708. The top of each of the three matching scaffold boards 708 is provided with anti-slip texture 19. The anti-slip texture 19 can be used to prevent the feet of personnel from slipping, especially suitable for wet scaffold surfaces in rainy weather, improving personnel safety. The interior of the two matching scaffold boards 708 is fixedly connected with a convex sealing strip 20 and a concave sealing strip 21. The convex sealing strip 20 and the concave sealing strip 21 are compatible with each other, and the setting of the convex sealing strip 20 and the concave sealing strip 21 can achieve a waterproof effect and improve the sealing performance.

[0024] Working principle: When performing cantilever operations at high altitudes, firstly, the cantilevered I-beam 2 is connected to the wall 1 by high-strength expansion bolts 3. After the bolts are inserted into the wall 1, they expand and fix, forming a rigid connection that resists pull-out, ensuring the load-bearing capacity of the cantilever structure. After the silicone pads 4 on the side of the cantilevered I-beam 2 are fixed, they fill the gap between the cantilevered I-beam 2 and the wall 1, buffering construction vibrations and preventing rainwater leakage, thus enhancing the sealing performance. Then, the first upright 6 can be inserted into the connecting hole 15 opened at the top of the cantilever I-beam 2. The bottom plate 501 on the surface of the first upright 6 overlaps with the top surface of the cantilever I-beam 2 to form an initial support surface. The bottom plate 501 is aligned with the through hole 502 of the cantilever I-beam 2. Then, the limiting pin 503 is inserted into the through hole 502, and the limiting groove 504 on the side of the limiting pin 503 provides an interface for subsequent locking. After that, the fixing ring 509 at the bottom of the support shaft 506 is rotated to drive the limiting block 507 to be locked in the limiting groove 504. When rotating clockwise, the limiting block 507 presses against the inner wall of the limiting groove 504 to achieve rigid locking. When rotating counterclockwise, the limiting block 507 is released, and the limiting pin 503 can be quickly pulled out to complete the disassembly. The rough pad 508 on the surface of the limiting block 507 prevents the limiting pin 503 from loosening through friction. Then, the first disc 701 at the top of the first upright 6 serves as a base and is quickly locked to the fixed seat 702 through the first positioning hole 703 and the pin 704 to form a disc-lock connection point. The disc-lock crossbars 705 on the side of the fixed seat 702 overlap each other to form a quadrilateral load-bearing frame. The load is distributed by using geometric stability. An L-shaped plate 707 is attached to the disc-lock crossbar 705. The L-shaped plate 707 is fixed to the limiting hole 16 of the disc-lock crossbar 705 through the limiting rod 18. Its horizontal section supports the matching scaffold board 708 to form a continuous bottom sealing surface to prevent objects from falling. The anti-slip texture 19 on the top of the matching scaffold board 708 increases friction to prevent people from slipping. The scaffold boards are fitted together by a convex sealing strip 20 and a concave sealing strip 21 to block the rainwater penetration path and achieve waterproof function. Then, the first threaded groove 706 at the top of the first disc 701 is screwed onto the second upright 10 (with external thread 17). Utilizing the self-locking characteristic of the thread (which improves vibration resistance compared to traditional fasteners and enables tool-free fastening), the second disc 12 at the top of the second upright 10 can continue to connect to the third layer of uprights. The horizontal members can be extended or extended upwards through the second positioning hole 13 and the second threaded groove 14 to form a multi-layer protective structure. At the same time, the first support block 8 and the second support block 11 on the surfaces of the first upright 6 and the second upright 10 adopt a recessed design, and the baffle plate 9 is directly inserted into the support block to form a horizontal protective layer to intercept small objects falling from the upper layer. Finally, the matching scaffold boards 708 and L-shaped boards 707 are fixed by inserting the limiting rods 18 into the limiting holes 16, which can be quickly installed without bolts, thereby enhancing the anti-overturning ability of the scaffold boards. Specific implementation method 2: like Figure 8 As shown, this embodiment is suitable for cantilever operations at wall corners. A specific embodiment of the invention provides a bottom sealing structure for the cantilever frame. Four support bolts 22 are threaded onto the side of the matching scaffold board 708. Vertical plates 23 are threaded onto the surfaces of the four support bolts 22. Vertical hanger locking members 24 are fixedly connected to the tops of the four vertical plates 23. Horizontal I-beams 25 are fitted inside the two sets of vertical hanger locking members 24. Four diagonal hanger locking members 26 are fitted onto the surfaces of the two horizontal I-beams 25. Load-bearing I-beams 27 are fitted inside the two sets of diagonal hanger locking members 26. Cantilever ring seats 28 are fixedly connected to the tops of the two load-bearing I-beams 27. A footboard 29 is hinged to the side of one of the load-bearing I-beams 27. Vertical hanger locking members 28 are hinged to the side of the footboard 29. The I-beam 30 and its intermediate step 29 are designed to connect the cantilever beam at the corner and be laid on the floor slab at the non-corner location. By setting up the horizontal I-beam 25 and the load-bearing I-beam 27, the support bolts 22 and the vertical plate 23 can form vertical support. Then, the horizontal I-beam 25 and the load-bearing I-beam 27, together with the vertical hanger lock 24 and the diagonal hanger lock 26, form a three-dimensional reinforcement system in both horizontal and diagonal directions. This structure can effectively distribute and transfer the load, improve the overall deformation resistance and overturning resistance of the sealing structure, and at the same time, it can support construction personnel and materials more stably, reducing the risk of structural damage caused by the load. By setting up the cantilever ring seat 28, it is easy to connect to the hook of the external object. By setting up the vertical I-beam 30 and the step 29, it is easy to provide connection support for the cantilever beam at the corner.

[0026] Working principle: When performing cantilever work at the corner of a wall, firstly, the load-bearing I-beam 27 is fixed to the floor slab, which anchors the tail end of the load-bearing I-beam 27 to the wall structure at the corner of the floor slab. Then, the horizontal I-beam 25 is erected above the load-bearing I-beam 27, allowing the horizontal I-beam 25 to pass through two sets of diagonal hanger locking parts 26. The horizontal I-beam 25 is then fastened and locked by the diagonal hanger locking parts 26. Subsequently, the horizontal I-beam 25 is fitted into the vertical hanger locking parts 24, and then the vertical hanger locking parts 24 are installed on the top of the vertical plate 23, thus fastening and locking the horizontal I-beam 25 twice to improve stability. Then, the matching scaffold board 708 is placed at the bottom of the vertical plate 23. Subsequently, the support bolts 22 are screwed into the interior of the vertical plate 23 and the matching scaffold board 708 to make them fit tightly and improve the tightness. Then, the cantilever ring seat 28 is fixed to the top of the load-bearing I-beam 27 to adapt and connect it with the surrounding building structure or hoisting equipment, further strengthening the connection between the sealing structure and the outside, dispersing the load, and improving the overall stability. In this way, the reinforcement and adaptation of the sealing structure is completed when working at the corner of the wall. Then, the tread plate is hinged to the side of the load-bearing I-beam to provide connecting support for the cantilever beam at the subsequent corner. Afterwards, the entire structure was tested and inspected to check whether the support bolts 22 were tightened, whether the vertical hanger locks 24, the diagonal hanger locks 26, the horizontal I-beams 25 and the load-bearing I-beams 27 were securely connected, and whether the cantilever ring seat 28 was well adapted to ensure that the sealing structure could stably bear load and effectively protect the wall during cantilever operations at the corner of the wall, thus meeting the construction requirements. Once all the components are arranged and the structure has been debugged and checked, the horizontal I-beam 25 is connected to the external steel pipe to form a cantilever frame, which facilitates cantilever operations.

Claims

1. A bottom sealing structure for a cantilever frame, comprising a wall (1), two cantilever I-beams (2), a convenient disassembly mechanism (5), and a cantilever frame sealing mechanism (7), characterized in that: The convenient disassembly mechanism (5) includes four connecting holes (15) on the top of the two cantilevered I-beams (2). A first upright (6) is inserted into each of the four connecting holes (15). A base plate (501) is fixedly connected to the surface of each of the four first uprights (6). The base plate (501) overlaps the top of the cantilevered I-beams (2). Several through holes (502) are provided inside both the base plate (501) and the cantilevered I-beams (2). Four sets of limiting pins (503) are inserted into the interior of each of the several through holes (502). The limiting pin (503) has a limiting groove (504) on its side. The bottom of the cantilevered I-beam (2) is fixedly connected to a damping bearing (505). The damping bearing (505) is rotatably connected to a support shaft (506). The surface of the support shaft (506) is fixedly connected to a limiting block (507). The surface of the limiting block (507) is provided with a rough pad (508). The limiting block (507) is located inside the limiting groove (504). The bottom end of the support shaft (506) is fixedly connected to a retaining ring (509).

2. The bottom sealing structure of a cantilever frame according to claim 1, characterized in that: Two cantilevered I-beams (2) overlap the side of the wall (1). Four high-strength expansion bolts (3) are installed inside the cantilevered I-beams (2) and inside the wall (1). Silicone pads (4) are installed on the sides of both cantilevered I-beams (2).

3. The bottom sealing structure of a cantilever frame according to claim 1, characterized in that: The cantilever frame sealing mechanism (7) includes a first disc (701) fixedly connected to the top of four first uprights (6). Four sets of fixing seats (702) overlap the surfaces of the four first discs (701). The interior of the fixing seat (702) and the interior of the first disc (701) are provided with first positioning holes (703). A pin (704) is inserted into the interior of the first positioning hole (703). The sides of the four sets of fixing seats (702) are fixedly connected with disc buckle crossbars (705). The surfaces of the two disc buckle crossbars (705) overlap with six sets of L-shaped plates (707). The sides of the six sets of L-shaped plates (707) are fixedly connected with three matching scaffold boards (708). The top of the four first discs (701) is provided with a first threaded groove (706).

4. The bottom sealing structure of a cantilever frame according to claim 1, characterized in that: Each of the four first uprights (6) is fixedly connected to a first support block (8), and a baffle plate (9) is inserted into the interior of each of the four first support blocks (8).

5. The bottom sealing structure of a cantilever frame according to claim 3, characterized in that: The interior of each of the four first threaded grooves (706) is threaded with a second upright (10), the surface of each of the four second uprights (10) is provided with an external thread (17), the top of each of the four second uprights (10) is fixedly connected with a second disc (12), the top of each of the four second discs (12) is provided with a plurality of second positioning holes (13), the top of each of the four second discs (12) is provided with a second threaded groove (14), and the surface of each of the four second uprights (10) is fixedly connected with a second support block (11).

6. The bottom sealing structure of a cantilever frame according to claim 3, characterized in that: The interior of the two disc-type crossbars (705) and the interior of the six sets of L-shaped plates (707) are provided with several limiting holes (16), and six limiting rods (18) are inserted into the interior of the several limiting holes (16).

7. The bottom sealing structure of a cantilever frame according to claim 3, characterized in that: The top of each of the three matching scaffold boards (708) is provided with anti-slip texture (19).

8. The bottom sealing structure of a cantilever frame according to claim 3, characterized in that: The two matching scaffold boards (708) are internally fixedly connected with a convex sealing strip (20), and the two matching scaffold boards (708) are internally fixedly connected with a concave sealing strip (21), and the convex sealing strip (20) and the concave sealing strip (21) are adapted to each other.

9. The bottom sealing structure of a cantilever frame according to claim 3, characterized in that: The side of the matching scaffold board (708) is threaded with four support bolts (22), and the surface of each of the four support bolts (22) is threaded with a vertical plate (23). The top of each of the four vertical plates (23) is fixedly connected with a vertical hanger lock (24). The interior of each of the two sets of vertical hanger locks (24) is fitted with a horizontal I-beam (25). The surface of each of the two horizontal I-beams (25) is fitted with four oblique hanger locks (26). The interior of each of the two sets of oblique hanger locks (26) is fitted with a load-bearing I-beam (27). The top of each of the two load-bearing I-beams (27) is fixedly connected with a cantilever ring seat (28). The side of one of the load-bearing I-beams (27) is hinged with a tread (29). The side of the tread (29) is hinged with a vertical I-beam (30). The tread (29) and its middle tread are designed to connect the cantilever beam at the corner and be laid on the floor slab at the non-corner location.

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