A hanging side beam detachable turnover formwork support device and construction method

Abstract

The application relates to a detachable overturning formwork support device for a lower hanging side beam and a construction method, and relates to the technical field of building construction. The device comprises a support structure, a suspension device, a wooden formwork and an edge sealing iron sheet. The support structure is provided with two support structures, and each support structure comprises a horizontal plate and a bracket channel steel. The horizontal plate is fixedly connected with a main body structure steel column, and the bracket channel steel is fixedly connected with the top wall of the horizontal plate. The suspension device comprises a cable-stayed rod, a cantilever steel beam and a transverse steel beam. The cantilever steel beams are arranged at intervals along the length direction of the main body structure steel beam and are fixedly connected with the main body structure steel beam. The transverse steel beams are arranged in sequence along the length direction of the cantilever steel beam. The transverse steel beams are arranged in the cantilever steel beams and are fixedly connected with the cantilever steel beams. The transverse steel beams are fixedly connected with the bracket channel steel. One end of the cable-stayed rod is rotationally connected with the main body structure steel beam, and the other end is rotationally connected with the cantilever steel beam. One end of the wooden formwork is fixedly connected with the cantilever steel beam, and the other end is fixedly connected with the edge sealing iron sheet. The application has the effect of completing the construction operation of the lower hanging side beam without erecting an external scaffold.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a lower hanging side beam detachable turnover formwork support device and construction method. BACKGROUND

[0002] With the rapid development of steel structure buildings and prefabricated buildings in recent years, more and more buildings use steel frame structure plus laminated slab structure form, when the outer facade of the building is glass curtain wall, the outermost circle of the building does not set the masonry wall, generally choose not to set up the external scaffold.

[0003] In related technology, the steel frame structure + prefabricated laminated slab structure form, the cast-in-place reinforced concrete of the outer edge of the building is the upper turning side beam, in some specific cases, it is designed as a lower hanging side beam, which is convenient for providing installation support for the construction platform used by the construction personnel.

[0004] In view of the related technology in the above, since it is not convenient to set up the external scaffold, the cast-in-place reinforced concrete of the outer edge of the building lacks a construction operation surface, and setting up the external scaffold is only used for the lower hanging side beam of the outer edge of the building, which will cause the economic benefit to decrease and is not convenient for the progress of the construction project. SUMMARY

[0005] In order to complete the construction operation of the lower hanging side beam without setting up the external scaffold, the present application provides a lower hanging side beam detachable turnover formwork support device and construction method.

[0006] In the first aspect, the present application provides a lower hanging side beam detachable turnover formwork support device, which adopts the following technical scheme:

[0007] A lower hanging side beam detachable turnover formwork support device, comprising a support structure, a suspension device and a pouring device;

[0008] The support structure is provided with two, and the support structure comprises a horizontal plate and a bracket channel steel, the horizontal plate is fixedly connected with the main body structure steel column of the external structure, and the bracket channel steel is fixedly connected with the top wall of the horizontal plate;

[0009] The suspension device comprises a cable-stayed rod, a plurality of cantilever steel beams and a plurality of transverse steel beams, the cantilever steel beams are arranged at intervals along the length direction of the main body structure steel beam of the external structure and are fixedly connected with the main body structure steel beam of the external structure, the transverse steel beams are arranged in sequence along the length direction of the cantilever steel beam, the transverse steel beams are arranged in the cantilever steel beams and are fixedly connected with the cantilever steel beams, and the transverse steel beams are fixedly connected with the bracket channel steel;

[0010] One end of the cable-stayed rod is rotatably connected with the main body structure steel beam of the external structure, and the other end is rotatably connected with the cantilever steel beam;

[0011] The pouring device comprises a wooden formwork and an edge iron sheet, one end of the wooden formwork is fixedly connected with the two cantilever steel beams, and the other end is fixedly connected with the edge iron sheet.

[0012] By adopting the above technical scheme, when the construction personnel performs the construction of the lower hanging edge beam, the horizontal plate is fixed to the main body structure steel column of the external structure, and the support channel steel is installed on the top wall of the horizontal plate. The construction personnel first fixes the cantilever steel beam to the main body structure steel beam of the external structure, and connects the cantilever steel beam through the transverse steel beam, at the same time, the transverse steel beam abuts against the top wall of the support channel steel, and the inclined pull rod is installed on the main body structure steel beam of the external structure above, and the installation of the basic support is completed. Then, the operation personnel installs the wooden formwork above the cantilever steel beam, and provides stable support for the wooden formwork through the inclined pull rod to prevent the wooden formwork from tilting downward, and the wooden formwork provides support for the installation of the edge iron sheet, so that the operation personnel can perform the corresponding pouring operation on the inner cavity of the edge iron sheet. Without setting up an external scaffold, the corresponding pouring operation is completed, and the work efficiency of the operation personnel is improved.

[0013] Optionally, the hanging device further comprises a plurality of connecting steels, the connecting steels are arranged at intervals along the length direction of the transverse steel beam, and two ends of the connecting steels are fixedly connected with the two transverse steel beams respectively.

[0014] By adopting the above technical scheme, the arrangement of the connecting steels can guarantee the stability of the connection between the transverse steel beams, and further improve the overall stability, so as to ensure the pouring quality of the concrete.

[0015] Optionally, a triangular support is arranged below the horizontal plate, one end of the triangular support is fixedly connected with the horizontal plate, and the other end is fixedly connected with the main body structure steel column of the external structure.

[0016] By adopting the above technical scheme, the arrangement of the triangular support can provide stable support for the installation of the horizontal plate, and further prevent the horizontal plate from tilting downward, and further provide stable support for the fixation of the edge iron sheet.

[0017] Optionally, a counterweight is arranged at one end of the wooden formwork close to the main body structure steel column of the external structure, and the counterweight is fixedly connected with the wooden formwork.

[0018] By adopting the above technical scheme, the counterweight is fixed at one end of the wooden formwork close to the main body structure steel column of the external structure, so that the center of gravity of the wooden formwork can be closer to the main body structure steel beam of the external structure, and the center of gravity of the edge iron sheet can be balanced, the balance of the device as a whole is ensured, and the safety is improved.

[0019] Optionally, the cantilever steel beam is provided with an overhanging steel pipe and a temporary edge guard at one end away from the stiffened plate of the external structure, one end of the overhanging steel pipe is fixedly connected with the cantilever steel beam, and the other end is fixedly connected with the temporary edge guard.

[0020] By adopting the above technical scheme, the overhanging steel pipe is fixed to the cantilever steel beam, and the overhanging steel pipe can provide support for the installation of the temporary edge guard, the temporary edge guard can close the end of the cantilever steel beam away from the main structure steel beam of the external structure, prevent the operator from falling, and improve the safety of the device as a whole.

[0021] Optionally, the pouring device further comprises a PVC pipe, one end of the PVC pipe is fixed to the floor slab, and the other end is arranged in the inner cavity of the edge iron sheet.

[0022] By adopting the above technical scheme, one end of the PVC pipe is fixed to the main structure steel beam of the external structure, and the other end is arranged in the inner cavity of the edge iron sheet, so that the PVC pipe can provide sufficient support effect during concrete pouring, and ensure the pouring effect of the concrete.

[0023] Optionally, the lower end of the stiffened plate of the external structure is fixedly connected with a beam lower hanging plate, and the top of the cantilever steel beam is fixedly connected with a hanging plate.

[0024] The suspension device further comprises an electric hoist, one end of the electric hoist is rotatably connected with the beam lower hanging plate, and the other end is rotatably connected with the hanging plate after being arranged in the edge iron sheet.

[0025] By adopting the above technical scheme, the beam lower hanging plate and the hanging plate are arranged to facilitate the installation of the electric hoist, after the concrete pouring operation is completed, the operator separates the cantilever steel beam and the bracket channel steel, controls the extension of the electric hoist, and then controls the position of the cantilever steel beam, and the cantilever steel beam is slid downward, so that the cantilever steel beam is lifted.

[0026] Optionally, the PVC pipe is provided with a through hole for accommodating the electric hoist.

[0027] By adopting the above technical scheme, the through hole can provide accommodation space for the electric hoist, so that the operator can pass the electric hoist through the concrete, avoid the influence of the concrete on the electric hoist, and affect the extension of the electric hoist.

[0028] Optionally, the device further comprises a moving device, the moving device comprises a temporary steel stool, and the temporary steel stool is used for supporting the cantilever steel beam.

[0029] Through adoption of the above technical scheme, the temporary steel stool is arranged, stable support is provided for the cantilever steel beam, and then the cantilever steel beam is in a horizontal state, so that the cantilever steel beam is conveniently connected with the main body structure steel beam below.

[0030] In another aspect, the application provides a construction method of a detachable and overturnable formwork support device for a lower hanging side beam, which comprises the following steps according to the detachable and overturnable formwork support device for a lower hanging side beam,

[0031] S1: installing a horizontal plate, a cantilever steel beam, a transverse steel beam, a connecting structure thereof and a diagonal pull rod;

[0032] S2: installing a PVC pipe, a temporary side edge guardrail and an edge sealing iron sheet;

[0033] S3: pouring a floor slab at the edge sealing iron sheet and the PVC pipe;

[0034] S4: installing one end of an electric hoist at a beam lower lifting plate and the other end at a lifting plate;

[0035] S5: removing the diagonal pull rod and positioning bolts of the cantilever steel beam;

[0036] S6: adjusting the electric hoist to make the cantilever steel beam, the transverse steel beam and the connecting structure thereof slide downward;

[0037] S7: placing the cantilever steel beam, the transverse steel beam and the connecting structure thereof on a temporary steel stool;

[0038] S8: lifting the cantilever steel beam, the transverse steel beam and the connecting structure thereof and moving to a next position.

[0039] Through adoption of the above technical scheme, the horizontal plate, the cantilever steel beam and the transverse steel beam are fixed at corresponding positions of the main body structure steel column of the external structure, meanwhile, a corresponding moving device is installed at the main body structure steel column of the external structure below to prevent the upper structure from falling off, the lifting plate and the beam lower lifting plate are connected through the diagonal pull rod, the edge sealing iron sheet is erected at the bracket channel steel to enclose a pouring space of the concrete, the temporary side edge guardrail is erected at the lower cantilever steel pipe to ensure construction safety, the PVC pipe is arranged inside the edge sealing iron sheet and corresponding concrete pouring operation is performed. After pouring is completed, the electric hoist is installed, the lifting plate and the beam lower lifting plate are connected through the electric hoist and the short diagonal pull rod, meanwhile, the diagonal pull rod is removed, the bracket channel steel and the wooden formwork are separated, the cantilever steel beam and the stiffening plate of the external structure are separated, the electric hoist is adjusted to make the cantilever steel beam and the structure connected therewith slide downward, the cantilever steel beam and the structure connected therewith fall to the surface of the temporary steel stool until being placed horizontally. The lifting ring above the cantilever steel beam and the lifting plate are lifted through the crane, and then the movement of the cantilever steel beam is completed, and preparation is made for next installation.

[0040] In summary, the application has at least one of the following beneficial technical effects:

[0041] 1. Through the setting of the support structure and the suspension device, the corresponding pouring operation can be completed on the cantilever block without erecting the scaffold, and the work convenience of the operator is improved;

[0042] 2. Through the setting of the pouring device, the pouring operation is facilitated, and the counterweight can effectively ensure the stability during pouring;

[0043] 3. Through the setting of the moving device, the whole device can be conveniently supported, and the accidental falling of the cantilever steel beam and the like is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0045] Figure 2 is a schematic diagram of the disassembled state of the embodiment of the present application;

[0046] Figure 3 is Figure 2 is an enlarged schematic diagram of part A in

[0047] Figure 4 is a first perspective view of the cantilever assembly;

[0048] Figure 5 is a second perspective view of the cantilever assembly.

[0049] Fig. 1 is an external structure; 11 is a main structure steel column; 12 is a main structure steel beam; 13 is a connecting steel beam; 14 is a stiffened plate; 15 is a wing plate; 16 is a beam lower hanging plate; 2 is a support structure; 21 is a horizontal plate; 22 is a triangular support; 23 is a support channel steel; 3 is a suspension device; 31 is a suspension assembly; 311 is a cable-stayed rod; 312 is a lifting hook; 313 is an electric hoist; 32 is a cantilever assembly; 321 is a cantilever steel beam; 322 is a transverse steel beam; 323 is a hanging plate; 324 is a short cable-stayed rod; 325 is a connecting steel bar; 326 is a square steel; 327 is a lifting ring; 328 is an overhanging steel pipe; 329 is a temporary edge guardrail; 4 is a pouring device; 41 is a wooden formwork; 42 is a counterweight; 43 is an edge sealing sheet; 44 is a PVC pipe; 5 is a moving device; 51 is a fixed rod; 52 is a temporary steel stool; 53 is a crane. DETAILED DESCRIPTION

[0050] The following will be described in detail with reference to the accompanying drawings Figures 1-5 The present application will be further described in detail.

[0051] The embodiment of the present application discloses a detachable and overturning formwork support device for a lower hanging edge beam and a construction method.

[0052] Reference Figure 1 and Figure 2The application discloses a detachable turnover formwork support device for a lower hanging edge beam.

[0053] With reference to Figure 2 and Figure 3 , the external structure 1 comprises a floor support plate, a main body structure steel column 11 and a main body structure steel beam 12.

[0054] With reference to Figure 2 and Figure 3 , the main body structure steel column 11 is preferably a hollow circular pipe, and a plurality of the main body structure steel columns 11 are arranged along the edges of the floor support plate at intervals, and the main body structure steel columns 11 are coaxially and sequentially arranged in the vertical direction, and two adjacent main body structure steel columns 11 are coaxially and fixedly connected through flange connection. Two main body structure steel beams 12 are uniformly distributed between two main body structure steel columns 11 at the same horizontal plane in the vertical direction, and the main body structure steel beam 12 is preferably a rectangular plate in the embodiment, and the main body structure steel beam 12 is horizontally arranged, and the two ends of the main body structure steel beam 12 are fixedly connected with the main body structure steel columns 11 through welding.

[0055] With reference to Figure 2 and Figure 3 , the external structure 1 further comprises a plurality of fixed assemblies, the plurality of fixed assemblies are sequentially arranged along the length direction of the main body structure steel beam 12, and the fixed assembly comprises a connecting steel beam 13 and a stiffening plate 14, the connecting steel beam 13 is vertically arranged, and the two ends of the connecting steel beam 13 are fixedly connected with the two main body structure steel beams 12 through welding, the stiffening plate 14 is vertically arranged, and the stiffening plate 14 and the connecting steel beam 13 form a T-shaped structure, the two ends of the stiffening plate 14 are fixedly connected with the two main body structure steel beams 12 through welding, and the side wall of the stiffening plate 14 is fixedly connected with the connecting steel beam 13 through welding.

[0056] With reference to Figure 2 and Figure 3 , the fixed assembly further comprises a wing plate 15, and two wing plates 15 are arranged on the two sides of the length direction of the stiffening plate 14, the wing plates 15 are horizontally arranged, the wing plates 15 on the same side are sequentially arranged in the vertical direction, one side wall of the wing plate 15 is fixedly connected with the connecting steel beam 13 through welding, and the other end is fixedly connected with the stiffening plate 14 through welding.

[0057] With reference to Figure 2 and Figure 3 , the fixed assembly further comprises two beam lower hanging plates 16, and the two beam lower hanging plates 16 are respectively located at the two ends of the main body structure steel beam 12, the beam lower hanging plate 16 is vertically arranged, the beam lower hanging plate 16 is fixedly connected with the bottom wall of the main body structure steel beam 12 below through welding, and a hanging hole is arranged at one end of the beam lower hanging plate 16 away from the main body structure steel beam 12 in the horizontal direction, and the hanging hole is preferably a circular hole in the embodiment.

[0058] With reference to Figure 1 , the support structure 2 is provided with two external support assemblies, each of which is located at one end of the main body structure steel beam 12 in the length direction, and each of which comprises a horizontal plate 21, a triangular bracket 22 and a bracket channel steel 23. The horizontal plate 21 is horizontally arranged and fixedly connected with the main body structure steel column 11 by means of bolts. The triangular bracket 22 is arranged obliquely, one end of the triangular bracket 22 is fixedly connected with the horizontal plate 21 by means of welding, and the other end is fixedly connected with the main body structure steel column 11 by means of welding. In the embodiment, the number of bracket channel steels 23 is two, and the two bracket channel steels 23 are arranged in sequence along the length direction of the horizontal plate 21, and the bracket channel steels 23 are fixedly connected with the horizontal plate 21 by means of welding.

[0059] With reference to Figure 1 , the suspension device 3 comprises a plurality of suspension assemblies 31, and each beam lower hanging plate 16 is provided with one suspension assembly 31. The suspension assembly 31 comprises a diagonal pull rod 311, which is arranged in the hanging hole and is rotatably connected with the hanging hole through a rotating shaft.

[0060] With reference to Figure 2 and Figure 3 , the suspension assembly further comprises a hook 312 and an electric hoist 313. The hook 312 is arranged in the inside of the hanging hole and is detachably connected with the horizontal plate 21 through a positioning bolt. The electric hoist 313 is rotatably connected with the hook 312 through a rotating shaft.

[0061] With reference to Figure 2 , Figure 3 , Figure 4 and Figure 5 , the suspension device 3 further comprises a cantilever assembly 32, which comprises a plurality of cantilever steel beams 321 and two transverse steel beams 322. The length direction of the cantilever steel beam 321 is horizontal and perpendicular to the length direction of the floor slab. A plurality of cantilever steel beams 321 are arranged in sequence along the length direction of the floor slab. In the embodiment, the cantilever steel beam 321 is preferably an I-beam, and the distance between the top wall and the bottom wall of the cantilever steel beam 321 is consistent with the distance between the wing plates 15. The cantilever steel beam 321 is fixedly connected with the stiffening plate 14 by means of bolts. The length direction of the transverse steel beam 322 is horizontal and perpendicular to the length direction of the cantilever steel beam 321. Two transverse steel beams 322 are arranged in sequence along the length direction of the cantilever steel beam 321. The transverse steel beam 322 is arranged in sequence in the plurality of cantilever steel beams 321 and is fixedly connected with the cantilever steel beam 321 by means of welding. The bottom of the two ends of the transverse steel beam 322 abuts against the bracket channel steel 23 and is fixedly connected with the bracket channel steel 23 by means of positioning bolts.

[0062] With reference to Figure 4 and Figure 5Each overhanging steel beam 321 is provided with a hanging plate 323. In the embodiment, the hanging plate 323 is preferably a rectangular plate. The hanging plate 323 is vertically arranged and fixedly connected with the overhanging steel beam 321 by welding. The hanging plate 323 is provided with a connecting hole penetrating in the horizontal direction, which is used for accommodating the inclined pull rod 311. The inclined pull rod 311 is rotatably connected with the hanging plate 323 through a rotating shaft.

[0063] With reference to Figure 4 and Figure 5 , the hanging plate 323 is provided with a short inclined pull rod 324, which is fixedly connected with the hanging plate 323 by screwing and rotatably connected with the output end of the electric hoist 313.

[0064] With reference to Figure 4 and Figure 5 , the overhanging assembly 32 further comprises a connecting steel bar 325. In the embodiment, the number of the connecting steel bars 325 is multiple. The length direction of the connecting steel bar 325 is horizontal and parallel to the length direction of the overhanging steel pipe 328. The connecting steel bars 325 are sequentially arranged along the length direction of the floor slab. The two ends of the connecting steel bar 325 are fixedly connected with the two transverse steel beams 322 by welding, respectively.

[0065] With reference to Figure 4 and Figure 5 , the overhanging assembly 32 further comprises a square steel 326 and a lifting ring 327. The square steel 326 is located at one end of the overhanging steel beam 321 away from the overhanging steel pipe 328. The length direction of the square steel 326 is horizontal and parallel to the length direction of the transverse steel beam 322. The square steel 326 is sequentially arranged in the multiple overhanging steel beams 321 and fixedly connected with the overhanging steel beam 321 by welding. In the embodiment, each overhanging steel beam 321 is provided with one lifting ring 327. The lifting ring 327 is located at the top wall of the overhanging steel beam 321 and away from the overhanging steel pipe 328. The lifting ring 327 is fixedly connected with the overhanging steel beam 321 by welding.

[0066] With reference to Figure 4 and Figure 5 , the overhanging assembly 32 further comprises an overhanging steel pipe 328. In the embodiment, the overhanging steel pipe 328 is preferably a hollow rectangular square steel pipe. The length direction of the overhanging steel pipe 328 is parallel to the length direction of the overhanging steel beam 321. The overhanging steel pipe 328 is fixedly connected with the overhanging steel beam 321 by welding.

[0067] With reference to Figure 4 and Figure 5 , each overhanging steel pipe 328 is provided with a temporary edge guard 329. The temporary edge guard 329 is vertically arranged and fixedly connected with one end of the overhanging steel pipe 328 away from the overhanging steel beam 321 by welding.

[0068] With reference toFigure 4 and Figure 5 The pouring device 4 comprises a wooden formwork 41 and a counterweight 42. In this embodiment, the wooden formwork 41 is preferably a rectangular plate, and the wooden formwork 41 is made of thick plywood. A plurality of through grooves are arranged in the vertical direction on the top wall of the wooden formwork 41, and the through grooves are used to accommodate the hanging plate 323. The wooden formwork 41 is fixedly connected to the support channel steel 23 through positioning bolts.

[0069] Referring to Figure 2 and ​ The pouring device 4 further comprises an edge sealing iron sheet 43 and a PVC pipe 44. In this embodiment, the edge sealing iron sheet 43 is preferably a galvanized iron sheet, and the edge sealing iron sheet 43 is fixed to the top wall of the wooden formwork 41 through positioning bolts. The PVC pipe 44 is arranged horizontally, and the axis direction of the PVC pipe 44 is parallel to the length direction of the cantilever steel beam 321. One end of the PVC pipe 44 is embedded in the floor slab, and the other end extends into the inner cavity of the edge sealing iron sheet 43. The PVC pipe 44 is provided with a through hole for the short inclined pull rod 324.

[0070] Referring to ​ The moving device 5 comprises a fixed rod 51 and a temporary steel stool 52. In this embodiment, a plurality of fixed rods 51 are arranged vertically, and the bottom of each fixed rod 51 is provided with a universal caster with a locking structure. The outer shell of the caster is fixedly connected to the bottom of the fixed rod 51 through screws. An inclined brace is arranged between two adjacent fixed rods 51. The inclined brace is arranged obliquely, and the two ends of the inclined brace are fixedly connected to the top and bottom of the two adjacent fixed rods 51 through welding. The temporary steel stool 52 is fixedly connected to the top of the fixed rod 51 through screws.

[0071] Referring to the drawings, the moving device 5 further comprises a crane 53 and a plurality of steel ropes. The steel ropes are fixedly connected to the output end of the crane 53 through hooks, and the other ends are detachably connected to the hanging plate 323 and / or the lifting ring 327.

[0072] The construction method of the detachable and overturnable formwork support device for the lower hanging edge beam according to the embodiment of the present application is as follows:

[0073] S1: The horizontal plate 21, the cantilever steel beam 321, and the transverse steel beam 322 are fixed to the corresponding positions of the main structure steel column 11. At the same time, the corresponding moving device 5 is installed at the lower main structure steel column 11, and the cantilever assembly 32 is erected at the lower stiffened plate 14. The hanging plate 323 and the beam lower hanging plate 16 are connected through the inclined pull rod 311.

[0074] S2: erect the edge iron sheet 43 at the bracket channel steel 23, and erect the temporary edge guard 329 at the lower overhanging steel pipe 328;

[0075] S3: pass the PVC pipe 44 through the inside of the edge iron sheet 43, and pour the corresponding concrete;

[0076] S4: install the electric hoist 313, and connect the hanging plate 323 and the beam lower hanging plate 16 through the electric hoist 313 and the short inclined pull rod 324;

[0077] S5: remove the inclined pull rod 311, and separate the bracket channel steel 23 and the wooden formwork 41, and separate the overhanging steel beam 321 and the stiffened plate 14;

[0078] S6: adjust the electric hoist 313, so that the overhanging steel beam 321 and the structure connected therewith slide downward;

[0079] S7: the overhanging steel beam 321 and the structure connected therewith fall to the surface of the temporary steel stool 52, until it is flat;

[0080] S8: hoist the hanging ring 327 and the hanging plate 323 above the overhanging steel beam 321 through the crane 53, and then complete the movement of the overhanging steel beam 321, and prepare for the next installation.

[0081] The above are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A lower hanging edge beam detachable turnover formwork support device, characterized in that: The support structure (2), the suspension device (3) and the pouring device (4) are arranged on the outer structure (1). The support structure (2) is provided with two support structure (2) which comprises horizontal plate (21) and bracket channel steel (23), the horizontal plate (21) is fixedly connected with the main body structure steel column (11) of the outer structure (1), the bracket channel steel (23) is fixedly connected with the top wall of the horizontal plate (21). The suspension device (3) comprises a plurality of cantilever steel beams (321) and a plurality of transverse steel beams (322), the cantilever steel beams (321) are arranged along the length direction of the main body structure steel beam (12) of the outer structure (1) and are fixedly connected with the main body structure steel beam (12) of the outer structure (1), the transverse steel beams (322) are sequentially arranged along the length direction of the cantilever steel beams (321), the transverse steel beams (322) are arranged in the cantilever steel beams (321) and are fixedly connected with the cantilever steel beams (321), and the transverse steel beams (322) are fixedly connected with the bracket channel steel (23). One end of the inclined pull rod (311) is rotatably connected with the main body structure steel beam (12) of the outer structure (1), and the other end is rotatably connected with the cantilever steel beam (321). The pouring device (4) comprises a wood formwork (41) and an edge iron sheet (43), one end of the wood formwork (41) is fixedly connected with the two cantilever steel beams (321), and the other end is fixedly connected with the edge iron sheet (43). The lower side of the stiffening plate (14) of the outer structure (1) is fixedly connected with a beam lower hanging plate (16), and the top of the cantilever steel beam (321) is fixedly connected with a hanging plate (323). The suspension device (3) further comprises an electric hoist (313), one end of the electric hoist (313) is rotatably connected with the beam lower hanging plate (16), and the other end is rotatably connected with the hanging plate (323) after being arranged in the edge iron sheet (43). The pouring device (4) further comprises a PVC pipe (44), one end of the PVC pipe (44) is fixed to a floor slab, and the other end is arranged in the inner cavity of the edge iron sheet (43), the PVC pipe (44) is provided with a through hole, the hanging plate (323) is provided with a short inclined pull rod (324), the short inclined pull rod (324) is fixedly connected with the hanging plate (323) by screwing, and the short inclined pull rod (324) is rotatably connected with the output end of the electric hoist (313), and the through hole is used for arranging the short inclined pull rod (324).

2. A downward hanging side beam detachable turnover formwork support device according to claim 1, characterized in that: The suspension device (3) further comprises a plurality of connecting steel bars (325), the connecting steel bars (325) are arranged along the length direction of the transverse steel beams (322), and the two ends of the connecting steel bars (325) are fixedly connected with the two transverse steel beams (322) respectively.

3. A downward hanging edge beam detachable turnover formwork support device according to claim 2, characterized in that: The lower side of the horizontal plate (21) is provided with a triangular support (22), one end of the triangular support (22) is fixedly connected with the horizontal plate (21), and the other end is fixedly connected with the main body structure steel column (11) of the outer structure (1).

4. The hanging side beam detachable turnover formwork support device according to claim 1, characterized in that: The wood template (41) is provided with a counterweight (42) near one end of the main body structure steel column (11) of the external structure (1), and the counterweight (42) and the wood template (41) are fixedly connected.

5. The hanging side beam detachable turnover formwork support device according to claim 1, characterized in that: The overhanging steel beam (321) is provided with an overhanging steel pipe (328) and a temporary edge guard (329) at one end away from the stiffening plate (14) of the external structure (1), one end of the overhanging steel pipe (328) is fixedly connected with the overhanging steel beam (321), and the other end is fixedly connected with the temporary edge guard (329).

6. A downward hanging edge beam detachable turnover formwork support device according to claim 5, characterized in that: Further comprising a mobile device (5), the mobile device (5) comprises a temporary steel stool (52), the temporary steel stool (52) is used for supporting the overhanging steel beam (321).

7. A construction method of a lower hanging beam detachable turnover formwork support device, characterized in that: The hanging edge beam detachable turnover template support device according to claim 6 comprises the following steps, S1: install the support structure (2), the overhanging steel beam (321), the transverse steel beam (322) and the connecting structure thereof, and the inclined pull rod (311); S2: install the PVC pipe (44), the temporary edge guard (329) and the edge sealing iron sheet (43); S3: pouring of the floor is carried out at the edge sealing iron sheet (43) and the PVC pipe (44); S4: one end of the electric hoist (313) is installed on the beam under the hanging plate (16), and the other end is installed on the hanging plate (323); S5: the inclined pull rod (311) is removed, and the positioning bolt at the overhanging steel beam (321) is removed; S6: adjust the electric hoist (313), so that the overhanging steel beam (321), the transverse steel beam (322) and the connecting structure thereof slide down; S7: the overhanging steel beam (321), the transverse steel beam (322) and the connecting structure thereof are laid flat on the temporary steel stool (52); S8: the overhanging steel beam (321), the transverse steel beam (322) and the connecting structure thereof are hoisted and moved to the next position.

Images