Combined supporting scaffold applied to limited space

Abstract

The invention belongs to the technical field of disc buckle supporting frames, and particularly relates to a combined supporting scaffold applied to a limited space. The combined supporting scaffold comprises a ring-lock type scaffold and a back-jacking supporting assembly, the ring-lock type scaffold comprises a plurality of vertical rods, the vertical rods are arranged in the orthographic projection area of the inclined plate type structure, the back-jacking supporting assembly is arranged in an inclined mode and comprises a plurality of back-jacking steel pipes, and the back-jacking steel pipes are connected with the ring-lock type scaffold. One end of the back-jacking steel pipe abuts against the inclined plate type structure, the other end of the back-jacking steel pipe is connected with a bearing wall, and the back-jacking steel pipe has at least two inclination angles. According to the technical scheme, the back-jacking supporting assembly and the ring buckle type scaffold are combined and matched with each other to form the combined supporting scaffold, the inclined plate type structure can be stably supported, the overall supporting structure is stable in stress, and smooth construction of the follow-up inclined plate type structure is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of buckle support frames, and in particular relates to a combined support scaffolding used in a confined space. Background Art

[0002] The tower is used as an outdoor conveying equipment tower. It is usually a 15-50m hollow structure. A conical funnel structure is set inside the tower structure. The floor above the cone funnel is located at an elevation of more than 20m. Its beam and slab concrete support system belongs to the high formwork range.

[0003] For buildings with higher elevations, the formwork is supported by a disc-type support scaffold. When the disc-type support scaffold is used to support the formwork of a rectangular-section conical funnel building, the following technical defects exist: the rectangular-section conical funnel is surrounded by the wall structure of the tower, and the space is relatively narrow. The area of ​​its support area is limited to the projection area of ​​the inclined plate structure itself. The load of the structure to be supported is large, and the formwork height is high. It belongs to the category of super-high formwork. The stability requirements of the support frame are higher. The structure to be supported is funnel-shaped, with a complex structure, and the support is subject to a large horizontal force. Ordinary fastener-type scaffolding cannot meet its force requirements. If the support is erected according to the conventional method, that is, only vertical poles are set, and the pole spacing, diagonal braces, and horizontal poles are reasonably set, the frame experience calculation cannot pass. Due to the limitations of the fixed modulus of the disc-type bracket and the spatial position of the funnel, the horizontal poles and diagonal braces of some disc-type brackets cannot be set in a standardized manner, and the cantilever length of the ends of some poles is too long. There is even shaking in some places, and all parties cannot pass the acceptance. Summary of the invention

[0004] The purpose of the present invention is to provide a combined support scaffolding for use in confined spaces in view of the technical defect that ordinary fastener-type scaffolding in the prior art cannot meet the stress requirements of ultra-high and complex structures in confined spaces.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A combined support scaffolding used in a confined space, the combined support scaffolding is used to support an inclined plate structure, the height of the inclined plate structure from a bottom plate is not less than 8m, the inclined plate structure is surrounded by a load-bearing wall, the combined support scaffolding includes a disc-type scaffolding and a return-to-top support assembly, the disc-type scaffolding includes a plurality of vertical poles, the plurality of vertical poles are arranged in the positive projection area of ​​the inclined plate structure, the return-to-top support assembly is inclined, the return-to-top support assembly includes a plurality of return-to-top steel pipes, one end of the return-to-top steel pipe abuts the inclined plate structure, and the other end is connected to the load-bearing wall, and the inclination angle of the return-to-top steel pipe includes at least two.

[0007] For the construction of unconventional plate structures in super-high buildings, it is necessary to build a support frame and set a template on the top of the support frame. By pouring concrete in the template, a permanent building structure is finally formed. For the inclined plate structure, it is usually necessary to set a rod structure in the vertical and horizontal directions to form a scaffold, and the floor area of ​​the scaffold is not less than the projection area of ​​the inclined plate structure, so as to achieve stable support and facilitate the pouring construction of the inclined plate structure in the later stage. In the technical solution of the present invention, the inclined plate structure is in a confined space, and the area of ​​its support area is limited to the projection area of ​​the inclined plate structure itself. The elevation of the inclined plate structure is not less than 8m, and the plate thickness exceeds 40 cm. How to form a stable support in such a confined space is a technical problem that needs to be solved urgently. Since the inclined plate structure has a horizontal force, and the conventional disc buckle bracket erection method cannot meet the above requirements, in this context, the technical solution of the present invention proposes a combined support scaffolding structure. First, a disc buckle bracket is built under the inclined plate structure, and then a return support assembly is added near the inclined plate structure area to balance the horizontal force of the inclined plate structure. The top-return support assembly includes top-return steel pipes with at least two inclined angles, which are used to form a balanced support for the inclined plate structure surface. The top-return support assembly and the disc-type scaffolding cooperate with each other to form a combined support scaffolding, which can form a stable support for the inclined plate structure. The overall support structure is stable in force, ensuring the smooth construction of the subsequent inclined plate structure.

[0008] As a preferred technical solution of the present invention, the inclined plate structure is a rectangular cross-section funnel structure, which includes four inclined side panels, and the inclined side panels have the same inclination angle. The orthographic projection of the rectangular cross-section funnel structure is divided into four areas, and the areas of two relatively arranged areas are the same. In the two relatively arranged areas, the number and positions of the uprights of the disc-type scaffolding correspond to each other.

[0009] As a preferred embodiment of the present invention, the rectangular cross-section funnel structure includes a top platform and a bottom platform, and an inclined side panel is arranged between the top platform and the bottom platform. According to the distribution characteristics of the inclined side panels, the disc-type scaffolding is divided into four units, each unit supports an inclined side panel, and the projection areas corresponding to the relatively arranged inclined side panels are the same. The four units are respectively specified as the first unit, the second unit, the third unit and the fourth unit, wherein the first unit and the third unit are arranged relatively, and the second unit and the fourth unit are arranged relatively.

[0010] The vertical poles are symmetrically arranged in the first unit and the third unit, and the vertical poles are symmetrically arranged in the second unit and the fourth unit, so as to achieve symmetry and stability of force.

[0011] The first unit and the third unit have the same number of upright poles, and the second unit and the fourth unit have the same number of upright poles.

[0012] The disc-type scaffolding is modularly set and vertical poles are arranged in a rectangular orthographic projection area, and the vertical poles are distributed in the projection area in a matrix form.

[0013] Preferably, in the orthographic projection area of ​​the rectangular cross-section funnel structure, the height range of the vertical pole is 10-14m.

[0014] As a more preferred technical solution, the spacing between adjacent uprights located below the top contour and the bottom contour of the rectangular cross-section funnel structure is L1, and the spacing between uprights in the area below the inclined side panels is L2, and L1<L2.

[0015] The disc-type scaffolding comprises cross bars, which are arranged at intervals along the length direction of the vertical bars in the vertical direction.

[0016] Preferably, the disc-type scaffolding includes diagonal rods, and the arrangement of the diagonal rods includes two forms:

[0017] Along the vertical direction of the vertical pole, it is divided into a first part and a second part from bottom to top, wherein the second part is located at a height of more than 1 / 2 of the vertical pole.

[0018] Located in the first part, in each of the areas, the oblique rods are arranged on the vertical rods in an alternate arrangement; located in the second part, in each of the areas, the oblique rods are arranged on the vertical rods in a continuous arrangement.

[0019] The top of the disc-type scaffolding is a template structure, which matches the rectangular cross-section funnel structure to be constructed. The template structure includes an inner template and an outer template. A cavity to be cast is between the inner template and the outer template, and finally a rectangular cross-section funnel structure is formed.

[0020] An inner formwork and an outer formwork are provided on each of the inclined side plates, a plurality of tension screws are provided between the inner formwork and the outer formwork, the plurality of tension screws are arranged at intervals along the inclined direction of the formwork structure, and the plurality of tension screws are evenly distributed in a matrix form on the formwork structure; a plurality of tension screws are arranged at the same horizontal height, and at least one tension steel pipe is horizontally arranged between the plurality of tension screws at the same horizontal height and the outer surface of the formwork structure.

[0021] On the adjacent template structures, the tensioning steel pipes on the adjacent inclined side plates at the same height are connected by fasteners, and the tensioning steel pipes of the four inclined side plates together form a hoop structure, and the rectangular cross-section funnel structure is provided with a plurality of hoop structures at intervals from top to bottom. The template structure is fixed, and the outer surface of the template structure of the rectangular cross-section funnel structure can form 6-9 hoop structures according to different heights, so as to better maintain the structural stability of the rectangular cross-section funnel structure.

[0022] Preferably, a plurality of square timber keels are arranged at intervals along the circumference of the outer template, the square timber keels have the same inclination direction as the template, and the top supports of the vertical poles are in contact with the square timber keels.

[0023] The orthographic projection area of ​​the rectangular cross-section funnel structure is a rectangular shape, and the buckle bracket is used to arrange the vertical poles in the orthographic projection area. During the arrangement of the vertical poles, the modules are designed according to the units divided in the orthographic projection area.

[0024] Specifically, the return-top steel pipe includes at least two angles. According to the longitudinal length of the inclined side plate, when the return-top support assembly is set with two inclined angles, the return-top steel pipe is divided into a first return-top steel pipe and a second return-top steel pipe. At this time, the inclined side plate is evenly divided into three sections to form two dividing lines, which are the first dividing line and the second dividing line from top to bottom. Several of the first return-top steel pipes are arranged at intervals along the length direction of the first dividing line, and several of the second return-top steel pipes are arranged at intervals along the length direction of the second dividing line.

[0025] As a more preferred technical solution of the present invention, the return-top steel pipe includes three inclination angles. According to the different inclination angles, the return-top support assembly includes a number of first return-top steel pipes, a number of second return-top steel pipes and a number of third return-top steel pipes. The inclination angle of the first return-top steel pipe is α, the inclination angle of the second return-top steel pipe is β, and the inclination angle of the third return-top steel pipe is γ, α<β<γ.

[0026] Preferably, according to the longitudinal length of the inclined side plate, the return top steel pipe includes three inclination angles, and the inclined side plate is evenly divided into four sections to form three dividing lines, which are the first dividing line, the second dividing line and the third dividing line from top to bottom. Among them, a plurality of the first return top steel pipes are arranged at intervals along the length direction of the first dividing line, a plurality of the second return top steel pipes are arranged at intervals along the length direction of the second dividing line, and a third return top steel pipe is arranged at intervals along the length direction of the third dividing line.

[0027] Specifically, along the circumference of the rectangular cross-section funnel structure, a first return steel pipe, a second return steel pipe and a third return steel pipe are respectively arranged between every two of the vertical poles. The return support assembly also includes a plurality of connecting rods, which are arranged at intervals along the length direction of the return steel pipes, and the connecting rods are respectively connected to the first return steel pipe, the second return steel pipe and the third return steel pipe through fasteners.

[0028] Adjustable bases are respectively arranged at both ends of the return steel pipe, one end of the return steel pipe abuts against the template structure, and the other end abuts against the load-bearing wall / beam body around the funnel structure.

[0029] As a preferred solution of the present invention, the return support assembly further includes a plurality of connecting rods, which are arranged at intervals along the length direction of the return steel pipe, and the connecting rods are used to connect the first return steel pipe, the second return steel pipe and the third return steel pipe at the same position. The connecting rods are connected to the return steel pipe by fasteners.

[0030] As a preferred solution of the present invention, the combined supporting scaffolding also includes a horizontal scissors brace arranged below the rectangular cross-section funnel structure, and the horizontal scissors brace is connected to the crossbars and / or vertical bars of the disc-type scaffolding via fasteners.

[0031] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0032] The technical solution of the present invention proposes a combined support scaffolding structure. First, a disc-type bracket is built under the inclined plate structure, and then a return-top support assembly is added near the inclined plate structure area to balance the horizontal force of the inclined plate structure. The return-top support assembly includes return-top steel pipes with at least two inclined angles, which are used to form a balanced support for the surface of the inclined plate structure. The return-top support assembly and the disc-type scaffolding cooperate with each other to form a combined support scaffolding, which can form a stable support for the inclined plate structure. The overall support structure is stable in force, ensuring the smooth construction of the subsequent inclined plate structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the internal structure of the tower building of the present invention;

[0034] Figure 2 It is a structural schematic diagram of the combined support scaffolding of the present invention;

[0035] Figure 3 It is a schematic structural diagram of the exterior of the template structure of the rectangular cross-section funnel of the present invention;

[0036] Figure 4 It is a structural schematic diagram of the inclined side plate of the rectangular cross-section funnel of the present invention;

[0037] Icon: 100-tower; 101-beam; 200-rectangular conical funnel; 201-inclined side panel

[0038] 3-formwork structure; 31-inner formwork, 32-outer formwork; 33-tension screws; 34-tension steel pipes; 35-square wood keel;

[0039] 4-disc-type scaffolding; 41-vertical pole; 42-crossbar; 43-diagonal pole; 44-top support;

[0040] 5-return top support assembly; 51-first return top steel pipe; 52-second return top steel pipe; 53-third return top steel pipe; 54-connecting rod. DETAILED DESCRIPTION

[0041] In order to more clearly describe the invention purpose, technical scheme and technical effect advantages in the specific implementation case of the present invention, the scheme in the specific embodiment will be described in detail in combination with the drawings of the specification of the present invention. The specific technical scheme involved in the following specific embodiments is only for a clear and complete description of the innovative technical scheme of the present invention. It is only a part of the specific implementation scheme that can be adopted by the present invention, not all embodiments, and should not be understood as a limitation on the innovative scheme of the present invention. Any scheme adopting the same inventive concept of the present invention should be included in the protection scope of the present invention.

[0042] Secondly, the description of the drawings in the specific embodiments of the present invention is only for the convenience of technical personnel to understand the solution of the present invention. The partial details in the drawings are for the convenience of clearly presenting the technical solution. It should not be considered that all technical features in the drawings must be included in the specific implementation cases, and the detailed features in the drawings should not be identified as additional limitations on the innovative technical solution of the present invention. The components in the various embodiments described and shown in the drawings can be combined and arranged according to different configurations, and these changes in combination and arrangement should be identified as part of the entire embodiment of the innovative solution of the present invention and included in the scope of protection of the present invention.

[0043] In summary, the schemes or descriptions presented in the specific embodiments and drawings of the present invention are not intended to limit the scope of protection claimed, but are merely selected embodiments / cases to help technicians understand the relevant innovative solutions. Based on these embodiments, all other equivalent or parallel embodiments obtained by those skilled in the art without creative work are within the scope of protection claimed by the present invention.

[0044] It should be noted that, unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating the orientation or position relationship, such as "up", "down", "left", "right", "center", "inside", "outside", etc., are all based on the expression of the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the invented product / device / apparatus is placed when it is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the present invention or simplifying the description in the specific embodiments, so as to facilitate the technicians to quickly understand the scheme, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.

[0045] In addition, the use of terms such as "horizontal", "vertical", "overhanging", etc. does not mean that the corresponding device / component / element is absolutely horizontal, vertical or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element is set in a specific direction such as "horizontal", "vertical", "overhanging", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present invention.

[0046] In addition, the expressions “first”, “second”, “third”, etc. that appear in the terms are merely descriptions used to distinguish the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0047] In addition, in the description of the embodiments of the present invention, "several", "plurality" and "a number" represent at least 2. It can be 3, 4, 5, 6, 7, 8, 9, etc., or even more than 9.

[0048] In addition, in the description of the technical solution of the present invention, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading and other commonly used connection means in the field. This connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two components.

[0049] For those skilled in the art, when understanding the solutions described in the specific embodiments of the present invention, they can refer to the conventional technical manuals in the field. At the same time, for the places where the above-mentioned terms appear, they can make appropriate understandings or adjustments for reference, and deduce the implementation of the same or similar technical solutions without paying any creative work.

[0050] The above embodiments describe only the basic principles, main features and / or advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the embodiments. The above embodiments and the invention content of the specification only describe the principles or specific cases of the present invention. Without departing from the essence of the innovative idea of ​​the present invention, the innovative scheme of the present invention may be subject to various changes and improvements, and these changes and improvements all fall within the scope of protection claimed by the present invention.

[0051] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0052] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0053] Example 1

[0054] This embodiment 1 discloses a combined support scaffolding for use in a confined space. The scaffolding is put into practical use in the construction of a rectangular-section conical funnel 200 structure in a tower 100 building.

[0055] like Figure 1The figure shows the schematic diagram of the internal structure of the tower 100 building, wherein the top elevation of the rectangular cross-section conical funnel 200 structure is 15m, and the bottom elevation is 10.8m; the rectangular cross-section beam 101 located at the bottom of the conical funnel structure is 9m in elevation. The rectangular cross-section conical funnel 200 is surrounded by the wall structure of the tower 100, and the space is relatively narrow. The area of ​​its support area is limited to the projected area of ​​the inclined plate structure itself. In this embodiment, the maximum plate thickness of the inclined side plate 201 of the rectangular cross-section conical funnel 200 is 42cm, and the top opening of the rectangular cross-section conical funnel 200 is 8.05m long and 6m wide. The load is large and the formwork height is high. It belongs to the category of super-high formwork. The stability requirements for the support frame are higher. How to form a stable support in such a limited space is a technical problem that needs to be solved urgently. The funnel structure is complex and the support is subject to a large horizontal force. Ordinary fastener-type scaffolding cannot meet its force requirements. If the bracket is erected according to the conventional method, that is, only vertical poles 41 are set, and the distance between the poles 41, diagonal braces, and horizontal bars are reasonably set, the bracket cannot pass the test calculation. Due to the limitation of the fixed modulus of the buckle bracket and the spatial position of the funnel, the horizontal bars and diagonal braces of the buckle bracket cannot be set in a standardized manner, and the cantilever length of the end of some poles 41 is too long. There is even shaking in some places, and all parties cannot pass the acceptance.

[0056] Based on the above-mentioned defects of the prior art, this embodiment innovatively proposes a combined support scaffolding for use in confined spaces. Figure 2-4 As shown, the combined supporting scaffolding is used to support the inclined plate structure, the height of the inclined plate structure from the bottom plate is not less than 8m, the inclined plate structure is surrounded by load-bearing walls, in this embodiment, the inclined plate structure is a rectangular cross-section funnel structure, the rectangular cross-section funnel structure includes four inclined side panels 201, the inclined side panels 201 have the same inclination angle, the orthographic projection of the rectangular cross-section funnel structure is divided into four areas, the two relatively arranged areas have the same area, and are located in the two relatively arranged partitions. The number and position of the uprights 41 of the disc-type scaffolding 4 correspond to each other.

[0057] In this embodiment, the top of the disc-type scaffolding 4 is a template structure 3, and the template structure 3 matches the rectangular cross-section funnel structure to be constructed. The template structure 3 includes an inner template 31 and an outer template 32. There is a cavity to be cast between the inner template 31 and the outer template 32, and finally a rectangular cross-section funnel structure is formed.

[0058] Among them, each of the inclined side panels 201 is respectively provided with an inner formwork 31 and an outer formwork 32, and the inner formwork 31 and the outer formwork 32 are fixed by tension screws 33. More specifically, a plurality of tension screws 33 are provided between the inner formwork 31 and the outer formwork 32, and the plurality of tension screws 33 are arranged at intervals along the inclined direction of the formwork structure 3, and at least one tension steel pipe 34 is provided between the plurality of tension screws 33 at the same horizontal height and the outer surface of the formwork structure 3, and the top support 44 at the top of the vertical pole 41 abuts against the tension steel pipe 34 at the corresponding position.

[0059] A plurality of square timber keels 35 are arranged at intervals along the circumference of the rectangular cross-section funnel structure on the outer formwork 32, and the square timber keels 35 are fixedly connected to the formwork structure 3. A top support 44 is arranged on the top of the vertical rod 41, and the top support 44 abuts against the bottom of the square timber. In this embodiment, two tensioning steel pipes 34 are arranged between the tensioning screw rod 33 and the outer surface of the formwork structure 3. The tensioning steel pipes 34 abut against the square timber keels 35.

[0060] In this embodiment, the adjacent inclined side panels 201 and the tensioning steel pipes 34 at the same height are connected by fasteners, and the tensioning steel pipes 34 of the four inclined side panels 201 together form a hoop structure, and the rectangular cross-section funnel structure is provided with a plurality of hoop structures at intervals from top to bottom. By arranging a plurality of hoop structures in an annular direction on the outer surface of the template structure 3 on the rectangular cross-section funnel structure, further support and fixation of the rectangular cross-section funnel structure is formed.

[0061] The combined support scaffolding includes a disc-type scaffolding 4 and a return-to-top support assembly 5, the disc-type scaffolding 4 includes a plurality of vertical poles 41, and the plurality of vertical poles 41 are arranged in the positive projection area of ​​the rectangular cross-section funnel structure. The return-to-top support assembly 5 is tilted, and the return-to-top support assembly 5 includes a plurality of return-to-top steel pipes, one end of the return-to-top steel pipe abuts against the rectangular cross-section funnel structure, and the other end is connected to the load-bearing wall, and the inclination angle of the return-to-top steel pipe includes at least two.

[0062] Preferably, in this embodiment, a return top steel pipe is provided between every two of the vertical poles 41 along the circumference of the rectangular cross-section funnel structure. More specifically, according to the different inclination angles of the return top steel pipes, the return top steel pipes are divided into three types, namely, the first return top steel pipe 51, the second return top steel pipe 52 and the third return top steel pipe 53, the inclination angle of the first return top steel pipe 51 is α, the inclination angle of the second return top steel pipe 52 is β, and the inclination angle of the third return top steel pipe 53 is γ, α<β<γ. The template structure 3 on each side is provided with three rows of return top support members, and the three rows of return top support members are respectively abutted against the template structure 3 at different heights. According to the longitudinal length of the inclined side plate 201, when the inclined side plate 201 is evenly divided into three sections, two dividing lines are formed, and a number of the first return top steel pipes 51 are arranged at intervals along the length direction of the first dividing line, and a number of the second return top steel pipes 52 are arranged at intervals along the length direction of the second dividing line. Preferably, according to the longitudinal length of the inclined side plate 201, the return top steel pipe includes three angles, and the inclined side plate 201 is evenly divided into four sections to form three dividing lines, which are the first dividing line, the second dividing line and the third dividing line from top to bottom. Among them, the third return top steel pipe 53 is arranged at intervals along the length direction of the third dividing line.

[0063] In this embodiment, the two ends of the return steel pipe are respectively provided with adjustable bases, one end of the return steel pipe abuts against the template structure 3, and the other end abuts against the load-bearing wall / beam 101 around the template structure 3. Specifically, the end abutting against the rectangular cross-section funnel structure abuts against the tension steel pipe 34 or the square wood keel 35. In this embodiment, the bottom position of the rectangular cross-section funnel structure is surrounded by the beam 101 structure, so the tension steel pipe 34 is abutted against the beam 101.

[0064] A more preferred technical solution is that the return-to-top support assembly 5 also includes a plurality of connecting rods 54, and the plurality of connecting rods 54 are arranged at intervals along the length direction of the return-to-top steel pipe, and the connecting rods 54 are respectively connected to the first return-to-top steel pipe 51, the second return-to-top steel pipe 52, and the third return-to-top steel pipe 53 through fasteners.

[0065] In this embodiment, the combined support scaffolding further comprises a horizontal scissors brace arranged below the rectangular cross-section funnel structure, and the horizontal scissors brace is connected to the crossbar 42 and / or the vertical bar 41 of the disc-type scaffolding 4 through a fastener. The horizontal scissors brace is arranged at a position of the disc-type scaffolding close to the formwork structure.

[0066] The combined support scaffolding designed by the present invention is based on the characteristics of this type of building structure to be constructed. The disc-type scaffolding and the return-top support assembly are combined. The disc-type support is first built under the inclined plate structure, and then the return-top support assembly is added near the inclined plate structure area to balance the horizontal force of the inclined plate structure. The return-top support assembly includes at least two return-top steel pipes with inclined angles, which are used to form a balanced support for the surface of the inclined plate structure. The return-top support assembly and the disc-type scaffolding cooperate with each other to form a combined support scaffolding, which can form a stable support for the inclined plate structure. The overall support structure is stable in force, ensuring the smooth construction of the subsequent inclined plate structure.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined support scaffolding used in a confined space, characterized in that: The combined support scaffolding is used to support the inclined plate structure, the height of the inclined plate structure from the bottom plate is not less than 8m, the inclined plate structure is surrounded by a load-bearing wall, the combined support scaffolding includes a disc-type scaffolding (4) and a return-to-top support assembly (5), the disc-type scaffolding (4) includes a plurality of vertical poles (41), and the plurality of vertical poles (41) are arranged in the positive projection area of ​​the inclined plate structure, the return-to-top support assembly (5) is inclined, and the return-to-top support assembly (5) includes a plurality of return-to-top steel pipes, one end of the return-to-top steel pipe abuts the inclined plate structure, and the other end is connected to the load-bearing wall, and the inclination angle of the return-to-top steel pipe includes at least two.

2. The combined support scaffolding used in a confined space according to claim 1 is characterized in that: The inclined plate structure is a rectangular cross-section funnel structure, comprising four inclined side plates (201), the inclined side plates (201) having the same inclination angle, and the orthographic projection of the rectangular cross-section funnel structure is divided into four areas, two areas arranged opposite to each other have the same area, and the number and positions of the uprights (41) of the disc-type scaffolding (4) in the two areas arranged opposite to each other correspond to each other.

3. The combined support scaffolding used in a confined space according to claim 2 is characterized in that: Located below the top contour and below the bottom contour of the rectangular cross-section funnel structure, the spacing between adjacent upright poles (41) is L1, and the spacing between the upright poles (41) in the projection area below the inclined side plate (201) is L2, and L1<L2.

4. The combined support scaffolding used in a confined space according to claim 1 is characterized in that: The top of the disc-type scaffolding (4) is a template structure (3), and the template structure (3) matches the rectangular cross-section funnel structure to be constructed. The template structure (3) includes an inner template (31) and an outer template (32), and a cavity to be cast is located between the inner template (31) and the outer template (32). Each of the inclined side panels (201) is provided with an inner template (31) and an outer template (32), and the inner template (31) and the outer template (32) are fixed by a tension screw (33). A plurality of square wood keels (35) are arranged on the outer template (32) at intervals along the circumference of the rectangular cross-section funnel structure. A top support (44) is arranged on the top of the vertical rod (41), and the top support (44) abuts against the bottom of the square wood keel (35).

5. The combined support scaffolding used in a confined space according to claim 4 is characterized in that: The two ends of the tensioning screw rod (33) are respectively provided with tensioning steel pipes (34), and the tensioning steel pipes (34) are arranged at intervals along the inclined direction of the inclined side plate (201). At least one tensioning steel pipe (34) is arranged between a plurality of the tensioning screw rods (33) at the same horizontal height and the outer surface of the formwork structure (3), and the top support (44) at the top of the vertical rod (41) is in contact with the tensioning steel pipe (34) at the corresponding position.

6. The combined support scaffolding used in a confined space according to claim 5 is characterized in that: The adjacent inclined side plates (201) and the tensioning steel pipes (34) located at the same height are connected by fasteners, and the tensioning steel pipes (34) of the four inclined side plates (201) together form a clamping structure, and the rectangular cross-section funnel structure is provided with a plurality of clamping structures at intervals from top to bottom.

7. The combined support scaffolding used in a confined space according to claim 2 is characterized in that: Along the circumference of the rectangular cross-section funnel structure, a plurality of return steel pipes are arranged at intervals on each of the inclined side plates (201), and a support seat is arranged at the end of each of the return steel pipes. One end of the support seat is abutted and fixed to the tensioning steel pipe (34), and the other end is abutted to the load-bearing wall or beam (101).

8. The combined support scaffolding used in a confined space according to claim 2 is characterized in that: The return top support assembly (5) comprises a plurality of first return top steel pipes (51), a plurality of second return top steel pipes (52) and a plurality of third return top steel pipes (53), the first return top steel pipes (51) have an inclination angle of α, the second return top steel pipes (52) have an inclination angle of β, the third return top steel pipes (53) have an inclination angle of γ, and α<β<γ.

9. The combined support scaffolding used in a confined space according to claim 8, characterized in that: Along the circumference of the rectangular cross-section funnel structure, a first return top steel pipe (51), a second return top steel pipe (52) and a third return top steel pipe (53) are respectively arranged between every two of the vertical poles (41).

10. The combined support scaffolding used in a confined space according to claim 9, characterized in that: The return top support assembly (5) further comprises a plurality of connecting rods (54), wherein the plurality of connecting rods (54) are arranged at intervals along the length direction of the return top steel pipe, and the connecting rods (54) are respectively connected to the first return top steel pipe (51), the second return top steel pipe (52), and the third return top steel pipe (53) via fasteners.

Images