CN115247498A - Fixed bolster of prefabricated wallboard and contain braced system of this support - Google Patents

Abstract

The application relates to a fixed support of a prefabricated wallboard and a supporting system comprising the same, belongs to the field of assembly type building construction, and comprises an inner wall supporting system, wherein the inner wall supporting system comprises prefabricated wallboard fixed supports which are arranged on two sides of the prefabricated wallboard in pairs, each fixed support comprises a supporting frame which is arranged perpendicular to a wall surface, each frame comprises a wall-attaching vertical rod and a horizontal bottom rod which are fixedly connected with each other, horizontal opposite-penetrating bolts are arranged on the wall-attaching vertical rods, and the opposite-penetrating bolts can penetrate through reserved holes in the prefabricated wallboard; the bottom rod is provided with a verticality adjusting device for adjusting the verticality of the supporting frame. This application interior wall braced system encorbelments prefabricated wallboard, has not only made things convenient for the hoist and mount to prefabricated wallboard, has made things convenient for the concrete placement construction of post-cast strip moreover, has greatly improved the installation effectiveness, and interior wall braced system realizes hoist and mount and supports the set of two functions, modularizes assembly work more, improves overall efficiency, compression period.

Description

Fixing bracket for prefabricated wall panels and supporting system including the same

technical field

The present application relates to the technical field of prefabricated building construction, in particular to a fixed bracket for prefabricated wall panels and a support system including the bracket.

Background technique

At present, during the installation of prefabricated buildings, the prefabricated wall panels on the upper layer are generally installed on the top surface of the wall panels on the next layer, and the prefabricated wall panels are supported to a vertical state by diagonal struts during installation. However, the prefabricated building system invented by the applicant will use the connection node between the wall panel and the prefabricated floor panel as shown in FIG. 2 . A post-casting belt is set between two adjacent prefabricated floor slabs, and the width of the post-casting zone is greater than the thickness of the wall panel, and the construction sequence of this node is to install the two prefabricated floor slabs first, then continue to install the upper wall panel, and finally pour the prefabricated floor slab. between the post-pouring belts. However, under this new construction process, the upper wall panels cannot be lapped and fixed on the prefabricated floor, but are in a suspended state. Therefore, in order to temporarily fix the upper wall panel before the construction of the post-casting belt, the applicant has invented the installation bracket of the prefabricated component. For details, please refer to the patent application document with the application number CN201810381811.9. The mounting bracket includes an upper support plate and a lower support plate which are arranged oppositely. The lower end of the upper support plate is fixed with a plurality of upper adjustment columns, and the upper end of the lower support plate is fixed with a lower adjustment column arranged opposite to the upper adjustment column. A positive thread, a reverse thread is arranged on the lower adjustment column, and the outer circumference of the upper adjustment column and the lower adjustment column are connected with a sleeve. When installing the upper wall panel, the mounting bracket is first placed on the top surface of the lower wall panel, and then the upper layer wall panel is hoisted to the top of the mounting bracket, thereby realizing the pouring concrete construction of the post-cast belt. However, the inventor found that the overall efficiency of the mounting bracket during use is still not high. Therefore, a new solution is needed for how to quickly and efficiently install and position the upper wall panel for the construction of the post-casting belt.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, one of the objectives of the present application is to provide a prefabricated wall panel fixing bracket that can quickly and efficiently install and position the upper wall panel for the construction of the post-casting belt.

The above-mentioned invention object of the present application is achieved through the following technical solutions: including an inner wall support system, the inner wall support system includes prefabricated wall panel fixing brackets arranged in pairs on both sides of the prefabricated wall panel, and the fixing brackets include a wall perpendicular to the wall. The support frame is arranged on the surface, and the frame includes a wall-mounted vertical rod and a horizontal bottom rod fixed to each other. The wall-mounted vertical rod is provided with horizontal opposite bolts, and the opposite bolts can pass through the reserved holes on the prefabricated wall plate; The rod is provided with a sag adjustment device for adjusting the verticality of the support frame.

By adopting the above technical solution, the inner wall support system cantilever the prefabricated wall panels, which not only facilitates the hoisting of the prefabricated wall panels, but also facilitates the concrete pouring construction of the post-casting belt, which greatly improves the installation efficiency. The new process of installing the upper prefabricated wall panels first, and then pouring the post-casting belt, makes the post-casting belt better connect all the precast floor slabs and the precast wall panels, avoids the generation of horizontal seams, and enhances the problem of precast wall panel connection. . In addition, the inner wall support system realizes the combination of two functions of hoisting and support. The installation is fast and at the same time, the workload of installing the support system inside the building is greatly reduced. It greatly speeds up the construction progress, reduces the hoisting and distribution operations of scattered rods in the support system, makes the assembly work more modular, improves the overall efficiency and shortens the construction period.

Preferably: the vertical adjustment device is an upper adjusting screw vertically threadedly connected to the bottom rod.

By adopting the above technical solution, the structure of the adjusting screw is simple, and the electric wrench can be used for the tightening operation, which makes the positioning more efficient, saves the hoisting time, and shortens the construction period of the entire prefabricated building.

Preferably: the inner wall support system further includes a diagonal strut, one end of the diagonal strut is connected to the vertical rod near the top, and one end is connected to the upper surface of the floor.

By adopting the above technical scheme, the instability caused by the collision of the prefabricated wall panels during the post-casting concrete pouring process is avoided, and deflection during the construction process is prevented, and at the same time, it is connected with the prefabricated floor slabs to improve the integrity of the entire support system.

Preferably: the inner wall support system further includes an intermediate connecting plate arranged in the middle position of the surface of the floor slab, and the bottom of the diagonal strut is connected with the intermediate connecting plate.

By adopting the above technical scheme, operations such as openings on the prefabricated floor slab are reduced, and the impact on the prefabricated floor slab is reduced; meanwhile, diagonal struts are symmetrically arranged on the prefabricated floor slab to enhance the overall stability.

Preferably: the inner wall support system further comprises a mopping rod arranged between the bottom rod and the top surface of the prefabricated floor slab.

By adopting the above technical solution, the mopping rod increases the force-bearing area, especially reduces the wear of the adjusting screw on the prefabricated floor, and is especially suitable for the construction protection of the decorative integrated floor.

Preferably: the bottom surface of the mopping rod is provided with a flexible layer.

By adopting the above technical solution, the prefabricated floor slab is further protected from wear.

Preferably: the fixing bracket further comprises a height-adjustable slab support member arranged on the top of the support frame, and the top surface of the slab support member supports the bottom surface of the prefabricated floor slab or supports post-casting between the prefabricated slabs. The bottom form of the belt, the floor support is screwed to the support frame.

By adopting the above technical scheme, the support function of the fixed brackets to the floor slab is increased, and the fixed brackets between different floors transmit force to the bottom floor, realizing the effect of installing multiple layers without waiting for the concrete to solidify after pouring.

Preferably: the fixing bracket further includes a space block between the wall-mounted vertical rod and the prefabricated wall panel, and the top of the wall-mounted vertical rod is provided with a slab floor support.

By adopting the above technical solution, the spacer blocks leave an operating space between the wall-mounted vertical rods and the prefabricated wall panels, which facilitates the installation of slab supports provided at the tops of the wall-mounted vertical rods.

Preferably: the fixing bracket further includes a triangular support fixed on the top of the vertical rod, the triangular support includes a horizontal top rod and a supporting inclined rod, and the slab support is threadedly connected to the horizontal top rod.

By adopting the above technical scheme, strong support for the floor can also be achieved under the condition that the vertical rods attached to the wall are adhered to the prefabricated wall panels, and the triangular supports protruding outwards facilitate the installation and adjustment of the floor supports.

Preferably: the inner wall support system further includes a floor support column positioned between the upper and lower prefabricated floor slabs to support and fix the upper prefabricated floor slab.

By adopting the above technical solution, the force transmission effect of the upper prefabricated floor slab on the lower prefabricated floor slab is further improved, and the overall support system can support the construction of more floors in the same day, and is safer.

Preferably: the inner wall support system further comprises a horizontal tie rod connecting the two oppositely arranged fixed brackets in the same room, and the two ends of the horizontal tie rod are connected to the wall-mounted vertical rods of the two fixed brackets. connection at the top position.

By adopting the above technical solution, all the supporting frames are connected into a grid structure, the integrity is better, and the fall of the prefabricated floor caused by the failure of a local supporting frame is prevented. Moreover, the connected grid structure limits the displacement of the support system and the prefabricated floor slabs and prefabricated wall panels, making the entire prefabricated building construction process safer.

Preferably: it also includes an outer wall support system, the outer wall support system includes a fixed bracket located on the inner side of the prefabricated wall panel and an outer wall bracket located on the outer side of the prefabricated wall panel, the outer wall bracket includes mutually fixed outer scaffolding and The outer rods are vertically attached to the wall, and the outer rods are provided with connecting holes aligned with the vertical rods, and the opposite bolts pass through the prefabricated outer wall panels and the connection holes to fix the outer rods; the outer scaffolding includes outer guardrails and walkway boards.

By adopting the above technical solution, the scaffold is integrally formed outside the wall, which facilitates the work of the workers, saves the erection of the scaffolding outside the building, and saves the economy.

Preferably: the bottom of the outer scaffold falls on the ground, and the outer scaffolds on all floors are vertically connected by connecting rods.

By adopting the above technical solution, the inner wall support system and the outer wall support system form an integral grid structure, and the effect of rapid construction between the upper and lower prefabricated outer wall panels without temporary support is achieved.

Preferably, a space block is arranged between the wall-attached outer rods and the prefabricated outer wall panels, and the wall-attached outer rods on different floors are connected by connecting rods.

By adopting the above technical scheme, the external rods attached to the wall are connected to each other, and also participate in the overall stress system of the external wall support, so that the prefabricated external wall panel can be suspended and fixed, the support material is saved, and the force is stable.

Preferably: the vertical wall-attached outer rod is also connected with formwork fixing ribs, the two ends of the formwork fixing rib are respectively connected with two adjacent vertical wall-attaching external rods, and the formwork fixing rib is used for the post-casting of the prefabricated outer wall panel. The formwork is fixed on the outer surface of the prefabricated façade panels.

By adopting the above technical solution, the installation of the post-casting belt formwork is facilitated, and the construction efficiency is further improved.

The second purpose of this application is the fixing bracket of the prefabricated inner wall panel and the fixing bracket of the prefabricated outer wall panel.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The inner wall support system integrates multiple functions of hoisting and fixing prefabricated wall panels and supporting prefabricated floor slabs, and the formed grid support structure not only cantilevers the prefabricated wall panels, but also facilitates the installation of prefabricated wall panels. It can be hoisted, and the concrete pouring construction of the post-pouring belt is convenient; in addition, the system greatly reduces the workload of installing the support system inside the building, and the support system works on the ground outside the building without being restricted by the site in the room. It greatly speeds up the construction progress, reduces the hoisting and distribution operations of scattered rods in the support system, makes the assembly work more modular, improves the overall efficiency and shortens the construction period.

2. The external wall support system and the internal wall support system can be connected as a whole, which not only solves the problem of overhanging the installation of prefabricated external wall panels, but also forms an integral support system, which is equivalent to embedding prefabricated wall panels and prefabricated floor slabs in the support system. It is not limited by the curing age of concrete pouring, and the construction of the building can be completed quickly, which greatly shortens the work.

3. The formwork fixing ribs in the external wall support system and the slab support in the internal wall support system facilitate the installation of the post-cast formwork, thereby further improving the construction efficiency of the prefabricated building; the scaffolding function is integrated in the external wall support system. At the same time, it facilitates the construction of the outer wall of the building by the workers, and further improves the construction efficiency.

Description of drawings

Figure 1 is a schematic structural diagram of the overall support system.

Figure 2 is a schematic diagram of the assembly of the triangular inner support fixing bracket and the prefabricated wall panel.

Figure 3 is a schematic diagram of the structure of a triangular inner support and fixed bracket.

Figure 4 is a schematic structural diagram of an internal support system provided with diagonal struts and intermediate connecting plates.

FIG. 5 is a schematic structural diagram of an internal support system provided with a mopping rod.

Figure 6 is a schematic structural diagram of an internal support system provided with horizontal tie rods and floor support columns.

FIG. 7 is a schematic structural diagram of a fixed bracket provided with an outrigger tripod.

FIG. 8 is a schematic structural diagram of the working state of the square frame fixing bracket.

FIG. 9 is a schematic structural diagram of a square frame fixing bracket.

Figure 10 is a schematic structural diagram of adding a top oil tray fixing bracket to a triangular frame.

Fig. 11 is a schematic diagram of the plane arrangement and connection of the fixing bracket in the room.

FIG. 12 is a schematic structural diagram of a square frame fixing bracket with an overhanging adjustable oil holder.

Figures 13 and 14 are schematic diagrams of the structure of the fixed bracket for converting a triangular frame into a square frame.

Figure 15 is a schematic diagram of vertical connection of a multi-square frame suitable for high-rise buildings.

Figure 16 is a schematic diagram of the structure of the external wall support system.

Fig. 17 is a schematic diagram showing the front structure of the outer wall bracket with formwork fixing ribs highlighted.

Fig. 18 is a schematic diagram showing the elevation structure of the external wall support with formwork fixing ribs.

FIG. 19 is a schematic structural diagram of the outer wall bracket being a square frame.

FIG. 20 is a schematic structural diagram of an external wall support system in which the external wall support is a floor support and is connected to each other.

Figure 21 is a schematic diagram of the structure of the external wall support system under the condition that the prefabricated floor slab extends between the upper and lower prefabricated external wall panels.

Figure 22 is a schematic structural diagram of a prefabricated column positioned with a fixed bracket.

Fig. 23 is a schematic structural diagram of a support system for connecting a plurality of fixed brackets of a prefabricated column into a whole.

Reference numerals: 1. Inner wall support system; 11. Diagonal struts; 12. Intermediate connecting plate; 13. Mopping rods; 14. Floor support columns; 15. Horizontal tie rods;

2. External wall support system; 21. External wall support; 22. Wall-mounted external rod; 23. Guardrail; 24. Walkway board; 25. Formwork fixing rib;

3. Fixed bracket; 31. Supporting frame; 311. Frame outer rod; 312. Flange plate; 32. Wall-mounted vertical rod; 321. Outrigger block; 33. Horizontal bottom rod; Bolt; 35, Adjusting screw; 36, Slab floor support; 361, Adjustable oil holder;

37. Bottom die supporting screw; 38. Horizontal ejector rod; 39. Supporting oblique rod;

41. Post-casting belt; 42. Bottom mold; 43. Space block.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings.

As shown in Figure 1, a support system of a prefabricated building includes an inner wall support system 1 and an outer wall support system 2. As shown in Figure 2, the inner wall support system 1 includes prefabricated wall panels arranged in pairs on both sides of the prefabricated wall panel. The wall panel fixing bracket 3, the fixing bracket 3 includes a support frame 31 which is formed by welding with materials such as angle steel, square steel or I-beam, which are arranged perpendicular to the wall surface, and the support frame 31 can be a triangle as shown in FIG. 3 . The frame can also be a square frame as shown in Figure 6. The two different shapes of the frame include a wall-mounted vertical rod 32 and a horizontal bottom rod 33 that are fixed to each other. The wall-mounted vertical rod 32 is provided with horizontal opposite bolts 34. There are two or more facing bolts 34 in the vertical direction, and pass through the holes reserved at the corresponding positions on the prefabricated wallboard; As shown in FIG. 3 , the vertical adjustment device may be an upper adjusting screw 35 that is vertically threaded on the bottom rod and located at one end of the bottom rod away from the wall-mounted vertical rod 32 .

When installing the prefabricated wall panels, first install the fixing brackets 3 on both sides of the upper prefabricated wall panel 51, and tighten the opposite bolts 34; Then use a sling to hang on the two fixed brackets on both sides of the upper prefabricated wall panel 51 for lifting; after the upper prefabricated wall panel 51 is hoisted from the ground to the installation position, the sling is adjusted so that the upper prefabricated wall panel 51 is in a vertical position It is in a straight state and is located directly above the lower prefabricated wall panel 52 . Then, the adjusting screw 35 on the horizontal bottom rod 33 is tightened so that the bottom end of the screw abuts the upper surface of the prefabricated floor slab. Then the hanger is released, and the upper prefabricated wall panel is in a suspended state under the action of a plurality of opposite bolts 34 at this time, which facilitates the pouring of the post-casting belt 41 between the two prefabricated floor slabs in the later stage.

Further, as shown in FIG. 4 , since the upper-layer prefabricated wall panel may be subject to collision during the pouring construction of the post-casting belt 41, in order to strengthen the stability of the upper-layer prefabricated wall panel, the inner wall support system 1 also includes diagonal braces. 11. One end of the diagonal strut 11 is connected to the vertical rod near the top, and one end is connected to the surface of the prefabricated floor. Preferably, an intermediate connecting plate 12 is arranged in the middle of the upper surface of the prefabricated floor, the bottom of the diagonal strut 11 is connected to the intermediate connecting plate 12, and a sleeve can be embedded in advance at the corresponding position on the upper surface of the prefabricated floor. The intermediate connecting plate 12 connects the two supporting frames 31 on the same prefabricated floor as a whole. The diagonal strut 11 can be a strut with adjustable length in the prior art, for example, a strut with a positive and negative threaded sleeve disposed in the middle.

As shown in Figure 5, when the prefabricated floor has a decorative layer on the surface (that is, when it is a prefabricated floor with integrated decoration), in order to protect the decorative layer from damage, it can be arranged between the bottom rod of the support frame 31 and the top surface of the prefabricated floor. Mop rod 13. The mopping rod 13 can be channel steel, square steel or steel strip. The mopping rod 13 can transmit the force of the tripod to the prefabricated floor more evenly, and especially distribute the force of the end of the adjusting screw 35 . The mopping rod 13 can be provided through the prefabricated floor slab and fixedly connected with the intermediate connecting plate 12 , so as to further form the two fixing brackets 3 into a whole. Preferably, the bottom surface of the mopping rod 13 is provided with flexible layers such as rubber pads and geotextiles.

As shown in Fig. 6, after the installation of the upper prefabricated wall panels is completed, it is necessary to further install the upper prefabricated floor slabs and perform concrete pouring on the post-casting belt 41 between the prefabricated floor slabs that have been installed on the lower layer. Or to support the function of the bottom mold 42 after casting, the fixed bracket 3 further includes a height-adjustable slab support member disposed on the top of the support frame 31 .

When the support frame 31 is a triangular bracket, the floor support member includes a bottom mold 42 and a top screw 37 vertically arranged on the horizontal overhang block 321 and the horizontal overhang block 321 at the top of the vertical rod 32 attached to the wall. The bottom mold 42 supports the top screw 37 and the horizontal overhanging block 321 is threadedly connected. The bottom mold 42 of the post-casting belt can adopt the structure of angle iron sheet. When using it, first put the bottom mold 42 of the back-casting belt into the design position, and then screw the top screw 37 of the bottom mold 42 to make the bottom mold 42 of the back-casting belt tight. .

1 and 7, the triangular support frame 31 also includes a triangular support fixed at the top position of the vertical rod, the triangular support includes a horizontal top rod 38 and a supporting inclined rod 39, and the bottom mold 42 supports the top screw 37 and the horizontal top rod. Rod 38 is threaded. Since the triangular support can bear higher pressure, the structure can not only be used to support the bottom form 42 of the post-cast belt, but also directly support the upper prefabricated floor slab.

As shown in FIG. 8 and FIG. 9 , when the support frame 31 is a square frame, the square frame includes frame outer rods 311 arranged in parallel with the wall-mounted vertical rods 32 , and both the wall-mounted vertical rods 32 and the frame outer rods 311 can be made of round steel pipes , the top and bottom are provided with the same oil trays as in the existing scaffolding. The oil tray at the top can act as a floor support member to support the bottom form 42 of the post-cast belt and the upper prefabricated floor.

Further, since the oil support structure and the upper prefabricated wallboard will be affected when the oil support is arranged on the top of the wall-mounted vertical rod 32, a spacer block 43 is arranged between the wall-mounted vertical rod 32 and the prefabricated wallboard. The space block 43 can be steel pipe or square wood, etc., and is preferably arranged at the opposite bolt 34 . A rubber gasket can be provided on the abutting surface of the space block 43 and the prefabricated wall panel to better protect the prefabricated wall panel from wear. As shown in FIG. 10 , the triangular fixing bracket 3 with the space block 43 is provided, and the floor support member may also be an oil tray provided on the top of the vertical rod 32 attached to the wall.

Referring back to FIG. 6 , when the support frame 31 is a tripod, in order to better support the upper prefabricated floor, the inner wall support system 1 further includes a floor support column 14 located between the upper and lower prefabricated floors. Multiple rows and multiple columns of prefabricated floor support columns 14 are arranged under each prefabricated floor slab, for example, there may be two rows and two columns. At the same time, in order to make the overall force of the support system better, the inner wall support system 1 also includes a horizontal tie rod 15 that connects the two oppositely arranged fixed brackets 3 in the same room. The top positions of the wall-mounted vertical rods 32 of the two fixing brackets 3 are connected. As shown in FIG. 8 , when the support frame 31 is a square frame, the horizontal tie rods 15 can be used to connect the square frames, and the diagonal rods can also be used to pull together, so that the overall support system forms a multi-triangular overall frame stable structure . In this case, the post-casting belt 41 can be set narrower, so that the prefabricated floor slab can be partially overlapped with the prefabricated wall slab, and the prefabricated wall slab and the slab support column 14 jointly bear the load of the upper prefabricated slab. Referring to Figure 11, The horizontal tie rods 15 and the inclined rods make the prefabricated wall panel, the prefabricated floor slab and the inner wall support system 1 form an integral structure, and there is no horizontal deformation, which ensures the stability of the prefabricated floor slab overlapped on the prefabricated wall panel, so that the whole system is more stable. Solid and reliable. Concrete can be poured through the vertical hollow channel in the prefabricated wall panel for the narrowed post-casting zone 41 .

In addition, it should be emphasized that, in conjunction with FIG. 8 and FIG. 9 , regardless of whether the bottom of the support frame 31 is provided with a height-adjustable oil holder, the adjusting screw 35 can be set. The functions of the two are different. The adjusting screw 35 is used for temporary quick Positioning, the oil support structure is mainly to bear the gravity of the prefabricated wallboard and cantilever it. In addition, the oil support can also play a temporary positioning role.

As shown in Figure 12, in order to support the upper prefabricated floor more conveniently and realize quick adjustment, an adjustable oil holder 36 can be set outside the square frame, and the adjustable oil holder 36 is threadedly connected to the external block of the square frame. 36 The bottom end head is provided in the shape of a hex nut. When in use, the external adjustable oil holder 36 provides space for the use of the electric wrench, and the electric wrench twists the adjustable oil holder 36, which greatly speeds up the installation speed. Further, the same structure can also be provided at the bottom of the support frame 31 to speed up the adjustment speed, fast positioning, and install and fix the prefabricated wall panels.

13 and 14 , the square frame can be changed from a tripod, a slot 331 is provided at the end of the horizontal bottom rod 33 of the tripod, and a vertical pipe is inserted into the slot 331 . Flanges 312 are arranged on the vertical rods 32 and the vertical pipes, and the horizontal rods are connected with the flanges 312 to form a square frame. As shown in Figure 15, when the height of the installed prefabricated wall panels is high, multiple square frames can also be spliced to meet the requirements of different wall height modules.

As shown in FIG. 1 and FIG. 16 , the external wall support system 2 includes a fixed bracket 3 located on the inner side of the prefabricated wall panel and an external wall bracket 21 located on the outer side of the prefabricated wall panel. The scaffolding and the vertical wall-attached outer rod 22, the wall-attached outer rod 22 is provided with a connection hole aligned with the wall-attached vertical rod 32, and the opposite bolt 34 passes through the prefabricated outer wall panel and the connection hole to attach the wall-attached outer rod 22. Fixed; the outer scaffolding includes the outer guardrail 23 and the walkway board 24 .

The vertical wall-attached outer rod 22 is connected and fixed with the triangular bracket by using opposite bolts 34, and the scaffold is fixed on the vertical wall-attached outer rod 22. The scaffolding includes a guardrail 23, a walkway board 24 and a support rod. Both the walkway board 24 and the support rod are connected with the vertical wall-mounted outer rod 22, and the three form a stable triangular structure. Such a structure provides an operating platform for workers, which is convenient for workers to carry out construction operations on the outer wall. The guardrails 23 of the upper and lower scaffolds are connected to each other to form an enclosed structure, which can make workers safer when operating or walking. Under this condition, a post-casting belt 41 is arranged between the upper and lower prefabricated exterior wall panels, and the post-casting belt 41 is used to temporarily support the upper precast exterior wall panel with short I-beams or steel bars before pouring.

17 and 18, a vertical back-casting belt 411 is arranged between two adjacent prefabricated exterior wall panels on the same layer, and the formwork of the vertical back-casting belt 411 needs to be The wall support system 2 further includes formwork fixing ribs 25, the two ends of the formwork fixing rib 25 are respectively connected with two adjacent vertical wall outside rods 22, and the formwork fixing ribs 25 fix the formwork on the outer surface of the prefabricated outer wall panel. Preferably, a connecting hole is provided on the vertical wall-mounted outer rod 22, and the formwork fixing rib 25 is fixed through the connecting hole. In the same way, the template of the post-casting belt 41 between the upper and lower prefabricated outer wall panels can also be fixed by the vertical wall-attached outer rod 22, as long as the vertical wall-attached outer rod 22 is extended upward for a section to the position of the post-casting belt 41. . Alternatively, the formwork can be fastened to the scaffolding.

As shown in FIG. 19 , the scaffolding of the external wall support system 2 can also adopt a square frame, in which more than two layers of scaffolding boards can be set according to the height of the prefabricated external wall panels.

The above-mentioned outer wall support system 2 only has the function of scaffolding and the function of fixing the outer wall formwork. Further, as shown in Figure 20, the bottom of the outer scaffolding falls on the ground, and the outer rod 22 attached to the wall and the prefabricated outer wall panel are connected. Space blocks 43 are arranged at intervals, and the external scaffolds of all floors are vertically connected by connecting rods to form an external frame structure. Such an outer wall support system 2 can eliminate the need for additional temporary supports between the upper and lower prefabricated outer wall panels, thereby further improving the installation efficiency.

Further, as shown in Figure 21, the prefabricated floor slab can extend between the upper and lower prefabricated exterior wall panels. After a certain overlap, the interior wall support system 1 and the floor-mounted exterior wall support system 2 together form an integral support. system. Therefore, it is not limited by the concrete solidification strength cycle of the post-casting belt 41, and multi-layer components can be installed in one day. As long as the hoisting speed is fast enough, small and medium-sized buildings can be built with more than 5 layers a day. The specific analysis is as follows:

In the prior art, after the prefabricated floor slab of the prefabricated building is assembled, a layer of concrete needs to be poured on the top surface. Only when the strength of the layer of concrete reaches more than 70%, the construction of the next layer can be carried out. However, it takes a long time to wait for the strength of concrete to rise, resulting in a long construction period of the whole building. In this scheme, the prefabricated floor slabs are integrated, and the post-casting tape 41 is only set at the joints of the adjacent prefabricated floor slabs, so the fixing bracket 3 can be installed on the upper surface of the prefabricated floor slabs, so as to realize a multi-layer support system without waiting. After pouring with 41 concrete strength, multi-layer uninterrupted construction can be realized. The core is that the system converts the gravity of all prefabricated floor slabs and prefabricated wall panels into the force of the support frame 31, which is equivalent to embedding and installing a whole building in the support frame 31 system, and the poured concrete of the post-pouring belt 41 intersects. During construction, the building can be completed and the post-casting belt 41 is also poured. As long as the concrete strength of the post-casting belt 41 is reached, the building can be checked and put into use.

As shown in Figure 22 and Figure 23, the support system is also suitable for the fixation of prefabricated columns. A single prefabricated column can be fixed with two or four supporting frames 31. If the building is a frame structure building, as shown in Figure 23, The same effect can be achieved by connecting the supporting frames 31 of a plurality of prefabricated columns to form a grid frame, and the beams, columns and slabs are supported by the supporting system, thereby realizing the rapid assembly and construction of the building.

The construction method of the prefabricated building support system is as follows: Step 1. The first-layer prefabricated wall panels are installed and positioned using the above-mentioned fixed brackets 3 of the prefabricated inner wall panels and the fixed brackets 3 of the prefabricated outer wall panels, and each fixed bracket is installed with a horizontal rod. 3 Connect into a grid structure; step 2, hoist the prefabricated floor slab on the first floor, and drop the prefabricated floor slab to the floor support column 14, the floor support piece and the top surface of the prefabricated wall panel; The support frame 31 of the first layer of prefabricated wall panels falls on the upper surface of the first floor slab, and the outer wall brackets 21 of the second layer of prefabricated outer wall panels are placed above the first layer of outer wall brackets 21 and connected with connecting rods; Step 4, continue to install the first layer. Three-layer prefabricated floor slab, drop the prefabricated floor slab to the floor support column 14, the floor support member and the top surface of the prefabricated wall panel on the second floor; The post-pouring belt 41 is used for concrete pouring, and the pouring work can be carried out at the same time as the construction of the prefabricated building; Step 7. After the concrete of the post-pouring belt 41 reaches the design required strength, remove the support system; After the wall decoration work is completed, dismantle it; step 8, acceptance of the main structure of the prefabricated building.

The embodiments of this specific embodiment are all preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered in within the scope of protection of this application.

Claims (17)

1. A support system for a prefabricated building, characterized in that: it comprises an inner wall support system (1), and the inner wall support system (1) comprises prefabricated wall panel fixing brackets (3) arranged in pairs on both sides of a prefabricated wall panel , the fixing bracket (3) comprises a support frame (31) arranged perpendicular to the wall surface, the support frame (31) comprises a wall-mounted vertical rod (32) and a horizontal bottom rod (33) fixed to each other, and the wall-mounted vertical rod (32) are provided with horizontal opposite bolts (34), and the opposite bolts (34) can pass through the reserved holes on the prefabricated wall plate; the bottom rod is provided with a vertical adjustment for adjusting the verticality of the support frame (31). device. 2 . The support system for a prefabricated building according to claim 1 , wherein the vertical adjustment device is an upper adjustment screw (35) vertically threadedly connected to the bottom rod. 3 . 3. The support system of a prefabricated building according to claim 1, characterized in that: the inner wall support system (1) further comprises a diagonal strut (11), and one end of the diagonal strut (11) is connected to the The vertical rod is near the top, and one end is connected to the upper surface of the prefabricated floor. 4. A support system for a prefabricated building according to claim 3, characterized in that: the inner wall support system (1) further comprises an intermediate connecting plate (12) arranged in the middle position of the surface of the prefabricated floor, so The bottom of the diagonal strut (11) is connected with the intermediate connecting plate (12). 5. A support system for a prefabricated building according to claim 3, wherein the inner wall support system (1) further comprises a mopping rod (13) arranged between the bottom rod and the top surface of the prefabricated floor slab ). 6 . The support system for a prefabricated building according to claim 5 , wherein a flexible layer is provided on the bottom surface of the mopping rod ( 13 ). 7 . 7. A support system for a prefabricated building according to claim 1, characterized in that: the fixed bracket (3) further comprises a height-adjustable slab support member arranged on the top of the support frame (31) The top surface of the prefabricated floor support member supports the bottom surface of the prefabricated floor slab or supports the bottom mold (42) of the post-casting belt between the prefabricated floor slabs, and the prefabricated floor support member is screwed with the support frame (31). 8. The support system of a prefabricated building according to claim 7, characterized in that: the fixing bracket (3) further comprises a space block ( 43), the top of the vertical rod (32) attached to the wall is provided with a slab floor support. 9. The support system of a prefabricated building according to claim 7, characterized in that: the fixed bracket (3) further comprises a triangular support fixed at the top position of the vertical rod, and the triangular support comprises a horizontal top rod (38 ) and a supporting inclined rod (39), the slab support member is screwed with a horizontal top rod (38). 10. A support system for a prefabricated building according to claim 7, characterized in that: the inner wall support system (1) further comprises a prefabricated floor slab located between the upper and lower prefabricated floor slabs and supporting and fixing the upper prefabricated floor slabs Support column (14). 11. A support system for a prefabricated building according to claim 7, characterized in that: the inner wall support system (1) further comprises the fixing bracket (3) for arranging two alignments in the same room ) interconnected horizontal tie rods (15), the two ends of the horizontal tie rods (15) are connected with the top positions of the wall-mounted vertical rods (32) of the two fixing brackets (3). 12. A support system for a prefabricated building according to claim 1, characterized in that it further comprises an external wall support system (2), the external wall support system (2) comprising a fixed bracket located on the inner side of the prefabricated wall panel (3) and an outer wall bracket (21) located on the outer side of the prefabricated wall panel, the outer wall bracket (21) includes a mutually fixed outer scaffold and a vertical wall-attached outer rod (22), and the wall-attached outer rod (22) A connection hole aligned with the wall-mounted vertical rod (32) is provided on the upper part, and the opposite-to-penetrating bolt (34) passes through the prefabricated outer wall panel and the connection hole to fix the wall-mounted outer rod (22); the outer scaffold includes an outer guardrail (23). ) and walkway boards (24). 13 . The support system of a prefabricated building according to claim 12 , wherein the bottom of the outer scaffold falls on the ground, and the outer scaffolds of all floors are vertically connected by connecting rods. 14 . 14. A support system for a prefabricated building according to claim 12, characterized in that: a spacer block (43) is arranged between the wall-attached outer rod (22) and the prefabricated outer wall panel, and all the The wall-attached outer rods (22) are connected by connecting rods. 15. A support system for a prefabricated building according to claim 12, characterized in that: a formwork fixing rib (25) is also connected to the vertical wall-mounted outer rod (22), and the formwork fixing rib (25) The two ends are respectively connected with two adjacent vertical wall sticking outer rods (22), and the formwork fixing ribs (25) fix the formwork of the prefabricated exterior wall panel post-casting tape (41) on the outer surface of the prefabricated exterior wall panel. 16. A fixing bracket for a prefabricated inner wall panel, characterized in that, the fixing bracket (3) is the fixing bracket (3) according to any one of claims 1-14. 17. A fixing bracket for a prefabricated outer wall panel, characterized in that the fixing bracket (3) comprises the fixing bracket (3) for fixing a prefabricated outer wall panel according to any one of claims 12 and 15 and an outer wall panel. Wall bracket (21).

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