A suspended member, a multi-rib floor forming structure

Abstract

This utility model relates to the field of building formwork technology, specifically to a suspension component and a ribbed floor slab forming structure. The suspension component includes a hanging rod, a support plate, a double-ended stud, a first nut, and a second nut. The ribbed floor slab forming structure includes the suspension component, a formwork, a steel truss, a main beam mold, a main beam scaffold, and a central scaffold. During construction, the scattered high-altitude operations of the formwork and steel bars on the construction site are transformed into factory-based, ground-based pre-assembly operations through group pre-assembly and sequential overall hoisting. The ribbed floor slab forming structure of this utility model has an extremely high assembly rate, greatly improving installation efficiency and solving the problem of low formwork installation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building formwork technology, specifically to a suspension component and a ribbed floor slab forming structure. Background Technology

[0002] Traditional ribbed floor slabs are generally used in non-prefabricated buildings. The entire construction process is carried out on the construction site. Typically, a full-span scaffold is first erected below the construction surface as a basic support. Then, the process involves installing supports, installing main and secondary timber joists, adjusting the bottom elevation and arching of the ribbed floor slab, installing the formwork, and finally pouring concrete to complete the construction of the ribbed floor slab. This method is a typical construction process for non-prefabricated buildings.

[0003] Our company previously applied for a high-assembly-rate ribbed floor slab forming structure and construction method, and also applied for a utility model with the same name. The forming structure includes several mold shells and steel reinforcement suspension beams. The mold shells are provided with connection holes and lifting slots. The steel reinforcement suspension beams include a support part for support, a steel truss made of welded steel bars, a movable movable part, a second fastener threaded to the bottom of the movable part, and a support plate sleeved on the second fastener. This eliminates the need for floor decking, reduces material usage, and lowers costs. The steel reinforcement suspension beams serve as both lifting tools for the mold shells and reinforcement for the ribbed floor slab, improving the assembly rate and construction efficiency.

[0004] However, this method still requires workers to install the formwork one by one from below, so there is still room for improvement in installation efficiency. Furthermore, the span of the steel-reinforced suspended beam is relatively large, requiring larger specifications and resulting in slightly higher costs. Utility Model Content

[0005] The problem solved by this utility model is that the installation efficiency of the existing mold shell needs to be improved and the cost needs to be reduced. This utility model provides a suspension component and a ribbed floor slab forming structure with high installation efficiency and low cost.

[0006] This utility model is achieved through the following technical solution: a suspension component, comprising: A hanging rod extends horizontally, has a vertical through hole in the middle, and has first limiting parts at both ends for limiting the movement of the steel truss. The tray has a through hole of a first shape in the middle and second limiting parts at both ends for limiting the side of the mold cavity. The double-ended stud has its upper end passing through the through hole of the hanging rod and being fastened by the first nut. The lower end is cut into a second shape, which allows it to pass through the through hole of the first shape and restricts rotation about the vertical axis. The lower end of the double-ended stud retains some threads after being cut into the second shape. The lower end of the double-ended stud passes through the through hole of the support plate and is fastened by the second nut.

[0007] Furthermore, the lower end of the double-ended stud is provided with one of the following structures that facilitate tool rotation and disassembly: both sides are flattened, an inner polygonal groove is provided, and the outer contour is set as an outer polygon.

[0008] Furthermore, the first limiting part is a limiting groove, and a limiting groove is provided at each end of the hanging rod. The limiting groove is an arc-shaped groove that matches the steel truss.

[0009] Furthermore, the second limiting part is an upward bending part, and the pallet body and the mold shell flange abut against each other. During operation, the bending part extends upward into the cavity of the mold shell.

[0010] A second aspect of this utility model provides a ribbed floor slab forming structure. The suspension component described above further includes a mold shell, a steel truss, a main beam mold, a main beam scaffolding, and a central scaffolding. The main beam mold is placed on the main beam scaffolding; The central scaffold is a non-full-span scaffold, including uprights, horizontal bars, and top supports. The top supports are installed on the top of the uprights, and the horizontal bars connect adjacent uprights or connect the uprights to the main beam scaffold. The mold shell includes a top surface, and a ring of downwardly extending side surfaces surrounding the top surface. The top surface and the surrounding side surfaces form a cavity. The lower edge of the side surfaces extends horizontally outward to form a flange. The outer contour of the flange is rectangular. The vertical end face of the free edge of the flange serves as the mating surface between the mold shells. The flange has a lifting groove located on the mating surface and penetrating both the upper and lower surfaces. The mating surface of the flange has a connecting hole horizontally extending from the cavity to the mating surface and perpendicular to the mating surface. Several mold shells are arranged in an array, with the upper and lower surfaces of all mold shells being coplanar. The mating surfaces of any two adjacent mold shells are mated to each other. Adjacent mold shells are fastened together by fasteners through the connecting holes. The lifting grooves on adjacent mold shells are symmetrical along the mating surfaces. Two or four mold shells can be combined to form a lifting hole that runs through the upper and lower surfaces of the flange. The steel truss includes at least two truss lower chords and several truss web members, truss upper chords, lower chord web members, and the steel truss is arranged in several rows, placed parallel to each other on the flange edge of each two adjacent mold shells, and the lower chord of the truss is kept from contacting the flange edge surface by the first pad or by additional support provided by itself. The suspension rod is placed at the connection node between the web member of the truss and the lower chord of the truss. The first limiting part cooperates with the lower chord of the truss. The upper end of the double-headed stud passes through the through hole of the suspension rod. The main body of the double-headed stud passes through the lifting hole formed by the mold shell. The lower end of the double-headed stud extends out of the lifting hole and is inserted into the first-shaped through hole of the support plate. The upper and lower ends are fastened by the first nut and the second nut, respectively. The shell array, steel truss, and suspension components are fixed as a whole; When installation is complete, the side supports of the mold array are on the main beam mold or the main beam scaffold, the middle of the mold array is supported by the central scaffold, and the top support is supported on the flange edge of the mold.

[0011] Furthermore, the steel truss also includes an upper chord web member and a lower chord web member, and the upper chord, lower chord, web members, upper chord web member, and lower chord web member are welded into a rectangular or inverted trapezoidal truss.

[0012] Furthermore, the steel truss has a top chord, and the top chord, bottom chord, web members, and bottom chord web members are welded together to form a triangular truss.

[0013] A third aspect of this utility model provides a method for forming a ribbed floor slab, including... Pre-construction preparation: Complete the prefabrication of formwork, steel truss, and suspension components according to construction requirements; Construction process: Step 1: Erect the main beam scaffolding, lay the main beam formwork, and erect the center scaffolding according to the drawings. Step 2: Pre-assemble the required formwork on the ground or floor to form one or more sets of Type A pre-assembled components and one set of Type B pre-assembled components. The Type A pre-assembled components include one or more rows of formwork connected as a whole, and a number of steel trusses equal to the number of rows of formwork, which are fixed as a whole by several fasteners and suspension components. One set of steel trusses is located at the edge of the formwork, and a second pad is provided between the hanging rod and the support plate at that point. The second pad is used to prevent the steel truss from overturning. The Type B pre-assembled components include one or more rows of formwork connected as a whole, and a steel truss one less than the number of rows of formwork, which are fixed as a whole by several fasteners and suspension components. Step 3: Fix the Class A pre-assembled components and Class B pre-assembled components under the hoisting frame, and use hoisting equipment to hoist a group of Class A pre-assembled components from the ground or floor to the required installation position in sequence. The edges of the Class A pre-assembled components are supported by the main beam mold or main beam scaffolding, and the middle of the Class A pre-assembled components are supported by a few top supports. The side with the steel truss on the edge is located on the side to be installed. Release the hoisting frame. Step 4: Using hoisting equipment, hoist the remaining Class A or Class B pre-assembled components sequentially from the ground or floor to the vicinity of the required installation location. Maintain the hoisting posture, remove the second pad, loosen the first nut, and widen the distance between the hanging rod and the support plate. Move the hoisted Class A or Class B pre-assembled components so that the flange edge extends between the hanging rod and the support plate, and lower it. Release the hoisting frame, align the flange edge of the subsequently installed mold shell with the flange edge of the already installed mold shell, and finally tighten the first nut to fix the adjacent Class A and / or Class B pre-assembled components. Repeat the above steps until all mold shells are assembled. Step 5: Tie the reinforcing bars, including the ribbed floor slab reinforcing bars perpendicular to the steel truss and the top reinforcing bars above the formwork, and connect the steel truss and the main beam reinforcing bars. Step Six: Pour concrete and cure; Step 7: After curing and shaping, remove the second nut, support plate, double-ended stud, fasteners, and mold shell for reuse.

[0014] Furthermore, in step three, the Class A pre-assembled components and the Class B pre-assembled components are suspended under the hoisting frame by flexible ropes, and multiple flexible ropes form a multi-point hoisting for the Class A pre-assembled components or the Class B pre-assembled components.

[0015] Furthermore, the flexible rope is a steel wire rope, and the ends of the steel wire rope are connected by an adjustable locking device.

[0016] The beneficial effects of this utility model are: 1. The suspension component of this utility model is easy to install. The unique anti-rotation design ensures a smooth fastening process and a firm connection point, guaranteeing construction safety and providing a foundation for subsequent prefabricated construction processes. Moreover, only the hanging rod and the first nut are embedded in the concrete, ensuring lower construction costs.

[0017] 2. The ribbed floor slab forming structure of this utility model has an extremely high assembly rate. It transforms the work of installing individual formwork and reinforcing bars at heights on the construction site into a factory-based, ground-level pre-assembly operation, greatly improving installation efficiency and solving the problem of low installation efficiency caused by installing formwork piece by piece in the prior art. The non-full-span central scaffolding may only require two rows of uprights, saving more than 65% of scaffolding materials compared to traditional full-span scaffolding, significantly reducing costs. Furthermore, because the central scaffolding is supported in the middle, the steel truss actually has four support points, divided into three sections. Therefore, the span of each steel truss section is smaller, allowing for smaller material selection and saving materials. The formwork is interconnected and then fixed to the steel truss through suspension components, forming a highly rigid integral unit that is not easily deformed during hoisting and positioning, ensuring construction quality. This significantly reduces the amount of work at height and the number of workers, improving construction safety.

[0018] 3. The core of this utility model's ribbed floor slab forming method is group pre-assembly and sequential overall hoisting. Type A pre-assembly components (with edge trusses) serve as the boundary for initial installation and subsequent connections. The steel trusses at the edges of the already installed Type A components act as "crane beams." Subsequently hoisted Type B pre-assembly components are quickly connected to these "edge trusses" by loosening the suspension components, allowing for repositioning, positioning, and then tightening. This maximizes ground-based operations, with the vast majority of assembly and connection work completed on the ground, resulting in the highest efficiency and best quality control. The division and hoisting sequence of Type A and Type B pre-assembly components form a clear, streamlined workflow, ensuring orderly construction organization. This utility model innovatively utilizes the structure of the already installed parts to assist in the installation of subsequent parts, improving efficiency, reducing high-altitude work, and significantly shortening the main construction period. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of the suspension component described in this utility model; Figure 2 This is an exploded view of the suspension component described in this utility model; Figure 3 This is a structural schematic diagram of the steel truss and suspension component described in this utility model; Figure 4 for Figure 3 A magnified view of a portion of the image; Figure 5 This is a schematic diagram (top view) of the structure of the mold shell described in this utility model. Figure 6 This is a schematic diagram of the structure of the mold shell described in this utility model (view from below); Figure 7 This is a schematic diagram of the central scaffolding described in this utility model; Figure 8 for Figure 7 A magnified view of a portion of the image; Figure 9 A structural diagram of the main beam scaffolding, main beam mold, and center scaffolding; Figure 10 A schematic diagram of assembling Class A pre-assembled components on the ground; Figure 11 for Figure 10 Enlarged view of a specific area; Figure 12 This is a hoisting diagram for the entire Class A pre-assembled components; Figure 13 A schematic diagram of assembling Class B pre-assembled components on the ground; Figure 14 This is a hoisting diagram for the entire Class B pre-assembled components; Figure 15 for Figure 14 A magnified view of a portion of the image; Figure 16 A schematic diagram of the ribbed floor slab after installation; Figure 17 This is a schematic diagram of a building formwork with a 1 / 4 circular hoisting groove.

[0020] In the picture: 100. Suspension component; 101. Hanging rod; 1011. First limiting part; 102. Support plate; 1021. Second limiting part; 103. Double-ended stud; 104. First nut; 105. Second nut; 200. Mold shell; 201. Flange edge; 202. Mating surface; 203. Lifting groove; 204. Connection hole; 300. Steel truss; 301. Lower chord of truss; 302. Web member of truss; 303. Upper chord of truss; 304. Lower chord web member; 305. Upper chord web member; 306. First pad; 307. Second pad; 400. Main beam mold; 500. Main beam scaffolding; 600. Central scaffolding; 601. Uprights; 602. Horizontal bars; 603. Top support; 700. Lifting frame; 800. Flexible rope. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0022] like Figure 1-4 As shown, a suspension component 100 includes: A hanging rod 101 extends horizontally and has a vertical through hole in its middle. Both ends of the hanging rod 101 have first limiting parts 1011 for limiting the movement of the steel truss 300. Since the steel truss 300 is welded from steel bars, and the lower chord 301 is made of φ15mm threaded steel, with a 10mm spacing between the two lower chords 301, the first limiting part 1011 is an arc-shaped limiting groove with a radius of 8mm, and the two first limiting parts 1011 are 100mm apart. This ensures that the suspension component 100 can be quickly and accurately placed on the designed stress nodes of the truss.

[0023] The support plate 102 has a through hole of a first shape in the middle, which is an oblong hole in this design. The support plate 102 has second limiting parts 1021 at both ends for limiting the side of the cavity of the mold shell 200. The second limiting part 1021 is an upward bending part. The main body of the support plate 102 abuts against the flange edge 201 of the mold shell 200. During operation, the bending part extends upward into the cavity of the mold shell 200. In this way, the support plate 102 can support two mold shells 200 at the same time, and the support plate 102 will not rotate relative to the mold shell 200.

[0024] The double-ended stud 103 has its upper end passing through the through hole of the hanging rod 101 and secured by the first nut 104. Its lower end is cut into a second shape, which allows it to pass through the through hole of the first shape while restricting rotation about the vertical axis. The lower end of the double-ended stud 103 retains some threads after being cut into the second shape. The lower end of the double-ended stud 103 passes through the through hole of the support plate 102 and is secured by the second nut 105. In this design, the second shape is as follows: the lower end of the double-ended stud 103 is flattened on both sides, retaining some threads. The two flattened surfaces mate with the waist hole of the support plate 102, ensuring that the double-ended stud 103 will not rotate relative to the support plate 102 when the first nut 104 is tightened, thus ensuring reliable fastening.

[0025] During installation, the steel truss 300 is kept from contacting the surface of the flange edge 201 by means of the first pad 306 or additional support. The double-ended stud 103 passes through the hanging rod 101, the lifting hole of the formwork 200, and the support plate 102, and is fixed at both ends by the first nut 104 and the second nut 105 respectively, thus completing the lifting. After pouring and curing the concrete, the second nut 105 is unscrewed first, then the support plate 102 is removed, and the two cutting surfaces of the double-ended stud 103 are tightened with a wrench to remove it. Finally, the formwork 200 is removed, leaving only the hanging rod 101 and the first nut 104 embedded in the concrete. This suspension component 100 is easy to install, and its unique anti-rotation design ensures a smooth tightening process and a secure connection, guaranteeing construction safety and providing a foundation for subsequent prefabricated construction processes. Furthermore, the fact that only the hanging rod 101 and the first nut 104 are embedded in the concrete ensures lower construction costs. Example

[0026] like Figure 7 As shown in Figures 8 / 9 / 16, a ribbed floor slab forming structure includes a suspension member 100 as described in Embodiment 1, and also includes a mold shell 200, a steel truss 300, a main beam mold 400, a main beam scaffolding 500, and a central scaffolding 600. like Figure 9 As shown, the main beam mold 400 is placed on the main beam scaffold 500; like Figure 7 As shown in Figure 8 / 9, the central scaffolding 600 is a non-full-span scaffolding, including uprights 601, horizontal bars 602, and top supports 603. The top supports 603 are installed on the top of the uprights 601, and the horizontal bars 602 connect adjacent uprights 601 or connect the uprights 601 to the main beam scaffolding 500. In this scheme, the uprights 601 and top supports 603 are arranged in two rows, located under the second and third rows of formwork shells 200 and under the fifth and sixth rows of formwork shells 200, respectively. Each top support 603 simultaneously supports the corners of four formwork shells 200.

[0027] like Figure 5 As shown in Figure 6, the mold shell 200 includes a top surface, and a ring of downwardly extending side surfaces of the top surface. The top surface and the surrounding side surfaces form a cavity. The lower edge of the side surfaces extends horizontally outward to form a flange edge 201. The outer contour of the flange edge 201 is rectangular. The vertical end face of the free end of the flange edge 201 forms the mating surface 202 between the mold shells 200. The flange edge 201 is provided with a lifting groove 203, which is located on the mating surface 202 and penetrates both the upper and lower surfaces of the flange edge 201. The mating surface 202 of the flange edge 201 is provided with a connecting hole 204, which is horizontally positioned, penetrating from the cavity to the mating surface 202 and perpendicular to the mating surface 202. like Figure 7 As shown in / 8 / 16, several mold shells 200 are arranged in a 7*7 array. The upper and lower surfaces of all mold shells 200 are coplanar. The mating surfaces 202 of any two adjacent mold shells 200 are mated to each other. Adjacent mold shells 200 are fastened together by fasteners through the connecting holes 204. The lifting grooves 203 on adjacent mold shells 200 are symmetrical along the mating surfaces 202. The lifting grooves 203 of two or four mold shells can be combined to form a lifting hole that penetrates the upper and lower surfaces of the flange edge 201. like Figure 3 As shown in Figure 4, the steel truss 300 includes at least two lower chords 301 and several truss web members 302, upper chords 303, and lower chord web members 304. The steel truss 300 is arranged in several rows, placed parallel to each other on the flange edges 201 of adjacent mold shells 200 in every two rows. The lower chords 301 of the truss are kept from contacting the surface of the flange edges 201 by the first pad 306 or by additional support provided by itself. In this embodiment, the steel truss 300 also includes upper chord web members 305 and lower chord web members 304. The upper chords 303, lower chords 301, web members 302, upper chord web members 305, and lower chord web members 304 are welded into a rectangular truss. In other embodiments, it can also be an inverted trapezoid.

[0028] like Figure 3As shown in / 4 / 8, the hanging rod 101 of the suspension component 100 is placed at the connection node between the truss web member 302 and the truss lower chord 301. The first limiting part 1011 cooperates with the truss lower chord 301. The upper end of the double-headed stud 103 passes through the through hole of the hanging rod 101. The main body of the double-headed stud 103 passes through the lifting hole formed by the mold shell 200. The lower end of the double-headed stud 103 extends out of the lifting hole and is inserted into the first-shaped through hole of the support plate 102. The upper and lower ends are fastened by the first nut 104 and the second nut 105 respectively. The 200 array of the formwork, the 300 steel truss, and the 100 suspension components are fixed as a whole; When the installation is completed, the side supports of the mold shell 200 array are on the main beam mold 400 or the main beam scaffold 500, the middle of the mold shell 200 array is supported by the central scaffold 600, and the top support 603 is supported on the flange edge 201 of the mold shell 200.

[0029] This solution is divided into three main systems: Mold 200 system: The mold shells 200 are interconnected by fasteners through the connecting holes 204 on the flange edge 201 to form a large-area integral floor slab mold. The lifting slots 203 are assembled to form lifting holes, providing a through channel for the suspension component 100.

[0030] Support system: Composed of main beam scaffolding 500 (support boundary) and central scaffolding 600 (sparse support center), it overturns the traditional full-span scaffolding and greatly saves materials.

[0031] Load-bearing system: The steel truss 300 is the core load-bearing component, serving both as a "lifting beam" during hoisting and as structural reinforcement after the floor slab is formed.

[0032] This solution boasts an extremely high assembly rate, transforming the previously arduous task of installing individual formwork 200s and reinforcing bars at heights on-site into a factory-based, ground-based pre-assembly process. This significantly improves installation efficiency and solves the problem of low efficiency associated with installing formwork 200s one by one in the previous technology. The non-full-span central scaffolding 600 may only require two rows of uprights 601, saving over 65% of scaffolding materials compared to traditional full-span scaffolding, resulting in a significant cost reduction. Furthermore, since the central scaffolding 600 provides support in the middle, the reinforcing truss 300 actually has four support points, divided into three sections. Therefore, the span of each section of the reinforcing truss 300 is smaller, allowing for smaller material selection and further saving materials. The formwork 200s are interconnected and then fixed to the reinforcing truss 300 via suspension components 100, forming a highly rigid integral unit that is less prone to deformation during hoisting and positioning, ensuring construction quality. This significantly reduces the amount of work at height and the number of workers required, improving construction safety. Example

[0033] A method for forming and constructing a ribbed floor slab includes: Pre-construction preparation: Complete the prefabrication of the 200mm formwork, 300mm steel truss, and 100mm suspension components according to the construction requirements; Construction process: Step 1, such as Figure 9 As shown in the drawings, erect 500mm of main beam scaffolding, lay 400mm of main beam formwork, and erect 600mm of center scaffolding. Step 2: Pre-assemble the required formwork 200 on the ground or floor to form a set of Class A pre-assembled components (such as...). Figure 10 (as shown) and a set of Class B pre-assembled components (such as...) Figure 13 As shown), the Type A pre-assembled assembly includes four rows of formwork shells 200 connected as a whole, and four rows of steel trusses 300, which are fixed as a whole by several fasteners and suspension components 100. One set of steel trusses 300 is located at the edge of the formwork shell 200, and a second pad 307 is provided between the hanging rod 101 and the support plate 102 at this location. The second pad 307 is made of wood (such as...). Figure 11 As shown), the second pad 307 is used to prevent the steel truss 300 from overturning; the type B pre-assembled assembly includes three rows of formwork shells 200 connected as a whole, and two sets of steel trusses 300, which are fixed as a whole by several fasteners and suspension components 100. Step 3: Suspend the Class A and Class B pre-assembled components from the lifting frame 700 using flexible ropes 800. The flexible ropes 800 are steel wire ropes, and their ends are connected via adjustable locking devices for convenient and quick adjustment, further ensuring lifting efficiency and positioning accuracy. Then, use lifting equipment to hoist a set of Class A pre-assembled components from the ground or floor to the required installation location (e.g., ...). Figure 12 As shown), the edges of the Class A pre-assembled components are supported by the main beam mold 400 or the main beam scaffold 500, and the middle of the Class A pre-assembled components is supported by a few top supports 603. The side with the steel truss 300 on the edge is located on the side to be installed, and the hoisting frame 700 is released. Step 4: Using hoisting equipment, lift the Class B pre-assembled components from the ground or floor to the vicinity of the required installation location, maintaining the hoisting posture (e.g., ...). Figure 14 (As shown in / 15), remove the second pad 307, loosen the first nut 104, widen the distance between the hanging rod 101 and the support plate 102, and move the hoisted Class B pre-assembled component so that the flange edge 201 extends between the hanging rod 101 and the support plate 102, and lower it (as shown in / 15). Figure 15 (As shown by the arrow), release the lifting frame 700, align the flange edge 201 of the subsequently installed mold shell 200 with the flange edge 201 of the already installed mold shell 200, and finally tighten the first nut 104 to fix the adjacent Class A pre-assembled components and Class B pre-assembled components (finally as shown by the arrow). Figure 16 (as shown) Step 5: Tie the reinforcing bars, including the ribbed floor slab reinforcing bars perpendicular to the steel truss 300 and the top reinforcing bars above the formwork 200, to connect the steel truss 300 and the main beam reinforcing bars. Step Six: Pour concrete and cure; Step 7: After curing and shaping, remove the second nut 105, support plate 102, double-ended stud 103, fasteners, and mold shell 200 for reuse.

[0034] The core of this scheme is group pre-assembly and sequential overall hoisting. Type A pre-assembly components (with side trusses) are used as the boundary for initial installation and subsequent connections. The steel truss 300 at the edge of the already installed Type A components acts as a "crane beam". The subsequent hoisted Type B pre-assembly components are quickly connected to this "side truss" by loosening the suspension component 100, making room, positioning, and then tightening.

[0035] In other embodiments, there are two sets of Class A pre-assembled components, each set consisting of two rows of 200mm mold shells and two rows of 300mm steel trusses. During construction, the components are spliced ​​twice, which also allows for efficient construction.

[0036] This solution maximizes ground operations, with the vast majority of assembly and connection work completed on the ground, ensuring maximum efficiency and the best quality control. The division and hoisting sequence of the A and B pre-assembled components create a clear, streamlined workflow, resulting in well-organized construction. This solution innovatively utilizes the structure of already installed sections to assist in the installation of subsequent sections, improving efficiency, reducing high-altitude work, and significantly shortening the main construction period.

[0037] In other embodiments, the lower end of the double-ended stud 103 is provided with an inner polygonal groove or the outer contour is set as an outer polygon, so as to facilitate quick removal using tools.

[0038] In other embodiments, the steel truss 300 has one upper chord 303, and the upper chord 303, lower chord 301, web members 302, and lower chord web members 304 are welded into a triangular truss.

[0039] In other embodiments, such as Figure 17 As shown, the lifting slots of the building formwork are 1 / 4 circular and located at the corners of the formwork flange. The four lifting slots are combined into one lifting hole. Using the suspension components of Embodiment 1, a single support plate simultaneously supports the corners of the four building formworks, thus lifting the building formwork.

[0040] In other embodiments, the lower end of the double-ended stud can be configured as an inner polygonal groove or the outer contour can be configured as an outer polygon, so that tools can be quickly disassembled and assembled from below.

[0041] In summary, the suspended component, ribbed floor slab forming structure and forming method described in this utility model greatly improves work efficiency, significantly reduces material costs, and better ensures construction safety and quality, thus promoting the development of ribbed floor slab technology towards a higher degree of prefabrication and industrialization.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that the above embodiments are only for illustrating the technical concept and characteristics of this utility model, and are intended to enable those skilled in the art to understand and implement the content of this utility model. They should not be used to limit the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A suspension component, characterized in that: include: Hanging rod (101), the hanging rod (101) extends in the horizontal direction, the hanging rod (101) has a vertical through hole in the middle, and the hanging rod (101) has a first limiting part (1011) at both ends for limiting the steel truss (300). The tray (102) has a through hole of a first shape in the middle and second limiting parts (1021) at both ends for limiting the side of the cavity of the mold shell (200). The upper end of the double-ended stud (103) passes through the through hole of the hanging rod (101) and is fastened by the first nut (104). The lower end is cut into a second shape. The second shape is able to pass through the through hole of the first shape and can restrict rotation about the vertical axis. The lower end of the double-ended stud (103) can still retain some threads after being cut into the second shape. The lower end of the double-ended stud (103) passes through the through hole of the support plate (102) and is fastened by the second nut (105).

2. A suspension component according to claim 1, characterized in that: The lower end of the double-ended stud (103) is provided with one of the following structures that facilitate tool rotation and disassembly: both sides are flattened, an inner polygonal groove is provided, and the outer contour is set as an outer polygon.

3. A suspension component according to claim 1, characterized in that: The first limiting part (1011) is a limiting groove. Each end of the hanging rod (101) is provided with a limiting groove. The limiting groove is an arc-shaped groove that matches the steel truss (300).

4. A suspension component according to claim 1, characterized in that: The second limiting part (1021) is an upward bending part. The main body of the pallet (102) and the flange edge (201) of the mold shell (200) abut against each other. During operation, the bending part extends upward into the cavity of the mold shell (200).

5. A ribbed floor slab forming structure, characterized in that: The system includes a suspension component (100) as described in any one of claims 1-4, and further includes a mold shell (200), a steel truss (300), a main beam mold (400), a main beam scaffold (500), and a central scaffold (600). The main beam mold (400) is placed on the main beam scaffolding (500); The central scaffolding (600) is a non-full-span scaffolding, including uprights (601), horizontal bars (602), and top supports (603). The top supports (603) are installed on the top of the uprights (601), and the horizontal bars (602) connect adjacent uprights (601) or connect the uprights (601) to the main beam scaffolding (500). The mold shell (200) includes a top surface of the mold shell (200), and a ring of downwardly extending side surfaces of the mold shell (200) is connected around the top surface of the mold shell (200). The top surface of the mold shell (200) and the interior of the side surfaces of the mold shell (200) that are surrounded by it form a cavity. The lower edge of the side surfaces of the mold shell (200) continues to extend horizontally outward to form a flange edge (201). The outer contour of the flange edge (201) is rectangular, and the vertical end face of the free end of the outer edge of the flange edge (201) is a mold. The mating surfaces (202) between the shells (200) abut each other. The flange edge (201) is provided with a lifting groove (203). The lifting groove (203) is located on the mating surface (202) and extends through the upper and lower surfaces of the flange edge (201). The mating surface (202) of the flange edge (201) is provided with a connecting hole (204). The connecting hole (204) is horizontally arranged, extending from the cavity to the mating surface (202), and is perpendicular to the mating surface (202). Several mold shells (200) are arranged in an array, and the upper and lower surfaces of all mold shells (200) are coplanar. The mating surfaces (202) of any two adjacent mold shells (200) are mated to each other. Adjacent mold shells (200) are fastened together through fasteners through the connecting holes (204). The lifting slots (203) on adjacent mold shells (200) are symmetrical along the mating surfaces (202). The lifting slots (203) of two or four mold shells (200) can be combined to form a lifting hole that penetrates the upper and lower surfaces of the flange edge (201). The steel truss (300) includes at least two lower chords (301) and several truss web members (302), upper chords (303), and lower chord web members (304). The steel truss (300) is arranged in several rows and placed in parallel on the flange edge (201) of each two adjacent mold shells (200). The lower chords (301) of the truss are kept from contacting the surface of the flange edge (201) by means of the first pad (306) or by additional support provided by itself. The hanging rod (101) of the suspension component (100) is placed at the connection node between the truss web member (302) and the truss lower chord (301). The first limiting part (1011) and the truss lower chord (301) cooperate. The upper end of the double-headed stud (103) passes through the through hole of the hanging rod (101). The main body of the double-headed stud (103) passes through the lifting hole formed by the mold shell (200). The lower end of the double-headed stud (103) extends out of the lifting hole and is inserted into the first-shaped through hole of the support plate (102). The upper and lower ends are fastened by the first nut (104) and the second nut (105) respectively. The mold shell (200) array, steel truss (300), and suspension component (100) are fixed as a whole; When the installation is completed, the side supports of the mold shell (200) array are supported on the main beam mold (400) or the main beam scaffold (500), the middle of the mold shell (200) array is supported by the central scaffold (600), and the top support (603) is supported on the flange edge (201) of the mold shell (200).

6. The ribbed floor slab forming structure according to claim 5, characterized in that: The steel truss (300) has two upper chords (303) and also includes an upper chord web member (305). The upper chord (303), lower chord (301), web member (302), upper chord web member (305), and lower chord web member (304) are welded into a rectangular or inverted trapezoidal truss.

7. The ribbed floor slab forming structure according to claim 5, characterized in that: The steel truss (300) has one upper chord (303), and the upper chord (303), lower chord (301), web members (302), and lower chord web members (304) are welded into a triangular truss.

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