Stair supporting structure and stair construction method

Abstract

The invention discloses a stair supporting structure and a stair construction method.The stair supporting structure comprises a bottom formwork, two side formworks and a plurality of forming plates and further comprises a supporting frame arranged above the bottom formwork in parallel, and the forming plates are vertically fixed to the supporting frame; the two ends of the supporting frame are each detachably connected with a pair of supporting bases, the supporting bases are used for being placed on a floor slab of a corresponding floor, and a pedal is detachably connected to the supporting frame so that workers can tread the pedal during plastering. The stair supporting structure can be rapidly assembled, operation errors are effectively eliminated, and therefore the construction precision is improved, meanwhile, the burden of workers can be reduced, and the operation time efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of building construction, and particularly relates to a staircase support structure and a staircase construction method. Background Art

[0002] The staircase support structure, also known as the staircase support formwork, is a temporary structure used to form the staircase concrete structure during the building construction process and is an important tool to ensure that the shape and size of the staircase meet the design requirements. The staircase support formwork is usually made of materials such as wood, steel, or plywood and is customized according to the design type of the staircase and specific construction conditions.

[0003] The building support structure in the related art usually includes a bottom formwork, two side formworks, and multiple forming plates. The bottom formwork is inclined and fixed on the scaffolding, the two side formworks are fixed on both sides of the bottom formwork, and multiple forming plates are respectively connected between the two side formworks. Pouring concrete between the bottom formwork and the two side formworks, and then leveling the concrete between adjacent two forming plates respectively can achieve the construction of the staircase.

[0004] However, when the staff assembles the staircase support structure, it is necessary to position and install multiple forming plates in sequence, which not only has operation errors but also affects the construction efficiency. At the same time, when the staff levels the concrete, it is necessary to temporarily set up a tread board on the scaffolding, increasing the burden on the staff, and there is room for improvement. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a staircase support structure and a staircase construction method, which can realize the rapid assembly of the staircase support structure, effectively eliminate operation errors, thereby improving the construction accuracy, and at the same time can also reduce the burden on the staff and improve the operation efficiency.

[0006] In a first aspect, the present invention provides a staircase support structure, including a bottom formwork, two side formworks, and multiple forming plates. The staircase support structure further includes a support frame arranged parallel above the bottom formwork. Multiple forming plates are respectively vertically fixed on the support frame. Both ends of the support frame are respectively detachably connected with a pair of support seats, and the support seats are used for placing on the floor slabs of the corresponding floors. A tread board is detachably connected to the support frame for the staff to step on when plastering.

[0007] Optionally: The support frame includes two parallel support beams. Multiple forming plates are respectively welded and fixed to the two support beams, and the tread board is detachably connected to the two support beams. The corresponding end parts of the two support beams on the two support beams are respectively connected by horizontally arranged support plates, and the two support plates are respectively detachably connected with the corresponding pair of support seats.

[0008] Optionally, a plurality of U-shaped limiting frames are provided on the opposite sides of the two support beams in a one-to-one correspondence. The plurality of limiting frames on each support beam are respectively arranged at intervals with the plurality of forming plates, and both ends of the pedal can be respectively clamped into the corresponding limiting frames.

[0009] Optionally, each support base respectively includes a receiving seat, a support column and a limiting ring. The receiving seat is used to be placed on the floor slab of the corresponding floor. The support column is vertically fixed on the corresponding receiving seat, and the limiting ring is arranged on the corresponding support column. A pair of limiting holes are respectively penetrated through the two support plates. Each support column can respectively pass through the corresponding limiting hole, and the support plate is lapped on the corresponding limiting ring to realize the support and limitation of the support plate.

[0010] Optionally, the limiting ring is sleeved on the corresponding support column in a threaded manner, and a control ring is fixedly connected to the limiting ring. The outer contour of the control ring is a regular hexagon and can cooperate with a wrench.

[0011] Optionally, dovetail bars are respectively vertically arranged on both sides of each forming plate, and a plurality of dovetail grooves are respectively arranged on the opposite sides of the two side templates, and the plurality of dovetail bars can be correspondingly clamped into the corresponding dovetail grooves.

[0012] Optionally, limiting angle irons are respectively fixedly connected to both sides of the bottom template. The two side templates are located between the two limiting angle irons. The two side templates respectively abut against the corresponding limiting angle irons, and the two limiting angle irons are respectively connected to the corresponding side templates through a plurality of fastening screws.

[0013] Optionally, a plurality of positioning blocks are respectively fixedly connected to the opposite sides of the two limiting angle irons, and a plurality of positioning grooves are respectively arranged on the opposite sides of the two side templates, and the plurality of positioning blocks can be correspondingly clamped into the corresponding positioning grooves.

[0014] Optionally, lifting rings are respectively fixedly connected to the two support beams.

[0015] In a first aspect, the present invention provides a method for constructing a staircase, using a staircase support structure, including the following steps: S1. Build a scaffold and connect the bottom template to the scaffold; S2. Connect the two side templates to the bottom template respectively; S3. Place the two pairs of support bases on the floor slabs of the corresponding floors respectively; S4. Connect the two ends of the support frame to the corresponding pair of support bases respectively. At this time, both sides of the plurality of forming plates respectively abut against the corresponding side templates. S5, Pour concrete between the bottom formwork and the two side formworks through a pouring device; S6, Adjust and install the tread boards according to the plastering positions, and level the concrete between two adjacent forming plates in sequence; S6, After the concrete cures, remove the scaffolding and the staircase support structure respectively.

[0016] In summary, the present invention has the following beneficial effects: This staircase support structure enables multiple forming plates to be installed synchronously, thus realizing the rapid assembly of the staircase support structure to improve the operation efficiency. At the same time, the forming plates are positioned by the support frames and the support seats, and also by the dovetail bars and the dovetail grooves, so that the positions of the forming plates can be more accurate, effectively eliminating operation errors and thus improving the construction accuracy. Since the height of the support frame can be adjusted, the positions of multiple forming plates can be adjusted, thereby realizing the adjustment of the step height of the staircase and further improving the use adaptability. Moreover, this staircase support structure is equipped with tread boards, which can facilitate the plastering operation of the staff and effectively reduce the burden on the staff. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of Embodiment 1; Figure 2 is the structural schematic diagram of the support frame in Embodiment 1; Figure 3 is the cross-sectional view of the support seat in Embodiment 1; Figure 4 is the structural schematic diagram of the bottom formwork and the side formwork in Embodiment 1; Figure 5 is the structural schematic diagram of the side formwork in Embodiment 1; Figure 6 is the structural schematic diagram of the limit angle iron in Embodiment 1; Figure 7 is the schematic diagram of the usage state of Embodiment 2.

[0018] Reference numerals: 1, bottom formwork; 2, side formwork; 3, forming plate; 4, support frame; 41, support beam; 42, support plate; 43, lifting ring; 5, support seat; 51, receiving seat; 52, support column; 53, limit ring; 54, control ring; 6, tread board; 7, limit frame; 8, limit hole; 9, dovetail bar; 10, dovetail groove; 11, limit angle iron; 12, fastening screw; 13, positioning block; 14, positioning groove. Detailed Embodiments

[0019] The present invention will be further described in detail below with reference to the drawings. Embodiment

[0020] As Figures 1-6This is Embodiment 1 of the present invention. This embodiment discloses a staircase support structure, which includes a bottom formwork 1, two side formworks 2, and multiple forming plates 3. The bottom formwork 1 is used to connect to the scaffolding, and the two side formworks 2 are respectively detachably connected to both sides of the bottom formwork 1.

[0021] Referring to Figure 1 、 Figure 2 , the staircase support structure further includes a support frame 4 disposed parallel above the bottom formwork 1. Multiple forming plates 3 are respectively vertically fixed on the support frame 4. A pair of support seats 5 are respectively detachably connected to both ends of the support frame 4, and the support seats 5 are used to be placed on the floor slabs of the corresponding floors. At the same time, a tread plate 6 is detachably connected to the support frame 4 for the staff to step on when plastering.

[0022] When the two side formworks 2 are respectively installed on the bottom formwork 1, the two pairs of support seats 5 are respectively placed on the floor slabs of the corresponding floors, and then both ends of the support frame 4 are respectively connected to the corresponding pair of support seats 5. At this time, both sides of the multiple forming plates 3 respectively abut against the corresponding side formworks 2, thereby realizing the installation of the forming plates 3.

[0023] This design enables the multiple forming plates 3 to be installed synchronously, thereby realizing the rapid assembly of the staircase support structure to improve the operation efficiency. At the same time, the staircase support structure is provided with a tread plate 6, which can facilitate the staff to carry out plastering operations and effectively reduce the burden on the staff.

[0024] Referring to Figure 1 、 Figure 2 , the support frame 4 includes two parallel support beams 41. Multiple forming plates 3 are respectively welded and fixed to the two support beams 41, and the tread plate 6 is detachably connected to the two support beams 41. The corresponding end parts of the two support beams 41 on the two support beams 41 are respectively connected by horizontally arranged support plates 42, and the two support plates 42 are respectively detachably connected to the corresponding pair of support seats 5. At the same time, lifting rings 43 are respectively fixedly connected to the two support beams 41 to facilitate the staff to hoist the support frame 4.

[0025] Referring to Figure 1 、 Figure 2 , a plurality of U-shaped limit frames 7 are arranged in one-to-one correspondence on the opposite sides of the two support beams 41. The multiple limit frames 7 on each support beam 41 are respectively arranged at intervals with the multiple forming plates 3, and both ends of the tread plate 6 can be respectively clamped into the corresponding limit frames 7, so that the tread plate 6 can be quickly disassembled and assembled.

[0026] This design enables the tread plate 6 to be located above the steps of the staircase after being installed with the corresponding limit frame 7, that is, the staff can step on the upper part of the next lower step position to plaster the steps of the corresponding layer. It is more convenient for the staff to plaster each layer of steps, thereby improving the operation convenience.

[0027] Reference Figure 2 and Figure 3 , each support base 5 respectively includes a receiving base 51, a support column 52 and a limiting ring 53. The receiving base 51 is used to be placed on the floor slab of the corresponding floor. The support column 52 is vertically fixed on the corresponding receiving base 51. The limiting ring 53 is arranged on the corresponding support column 52. A pair of limiting holes 8 are respectively penetrated through the two support plates 42. Each support column 52 can respectively pass through the corresponding limiting hole 8, and the support plate 42 is lapped on the corresponding limiting ring 53 to realize the support and limitation of the support plate 42.

[0028] Reference Figure 2 and Figure 3 , the limiting ring 53 is threadedly sleeved on the corresponding support column 52. A control ring 54 is fixedly connected to the limiting ring 53. The outer contour of the control ring 54 is a regular hexagon and can cooperate with a wrench. This design enables the height of the support frame 4 and the forming plate 3 to be adjusted, so as to realize the adjustment of the step height of the stairs, and further improve the use adaptability.

[0029] Reference Figure 2 and Figure 4 , a dovetail bar 9 is vertically arranged on each side of each forming plate 3. A plurality of dovetail grooves 10 are respectively arranged on the opposite sides of the two side templates 2. And a plurality of dovetail bars 9 can be correspondingly clamped into the corresponding dovetail grooves 10, which can not only improve the positioning effect of the forming plate 3, but also improve the connection stability between the forming plate 3 and the two side templates 2 to ensure the construction quality.

[0030] Reference Figure 4 , limiting angle irons 11 are respectively fixedly connected to both sides of the bottom template 1. The two side templates 2 are located between the two limiting angle irons 11. The two side templates 2 respectively abut against the corresponding limiting angle irons 11 to improve the supporting effect on the side templates 2. At the same time, the two limiting angle irons 11 are respectively connected to the corresponding side templates 2 through a plurality of fastening screws 12.

[0031] Reference Figure 5 and Figure 6 , a plurality of positioning blocks 13 are respectively fixedly connected to the opposite sides of the two limiting angle irons 11. A plurality of positioning grooves 14 are respectively arranged on the opposite sides of the two side templates 2. And a plurality of positioning blocks 13 can be correspondingly clamped into the corresponding positioning grooves 14, which can not only realize the positioning during the installation of the side templates 2, but also improve the connection stability between the side templates 2 and the bottom template 1. Embodiment

[0032] As Figure 7 is Embodiment 2 of the present invention. This embodiment discloses a staircase construction method, using the staircase support structure of Embodiment 1. The staircase construction method includes the following steps: S1. Build a scaffolding between two floor slabs according to the design requirements, and connect the bottom formwork 1 to the scaffolding with multiple bolts. S2. Connect the two side formworks 2 to the corresponding limit angle irons 11 on the bottom formwork 1 respectively. S3. Place the two pairs of support seats 5 on the floor slabs of the corresponding floors respectively. S4. Fit the support plates 42 at both ends of the support frame 4 with the corresponding support columns 52 respectively until the support plates 42 abut against and are limited by the limit rings 53. At this time, the dovetail bars 9 on both sides of the multiple forming plates 3 are respectively inserted into the corresponding dovetail grooves 10, that is, both sides of the forming plates 3 are in close contact with the corresponding side formworks 2 respectively. S5. Pour concrete between the bottom formwork 1 and the two side formworks 2 through a pouring device. S6. Adjust and install the tread boards 6 according to the plastering position, and level the concrete between two adjacent forming plates 3 in sequence. That is, when plastering the first layer of steps, install the tread board 6 on the limit frame 7 at the second layer position, and so on until the multi-layer steps are plastered respectively. S6. After the concrete cures, remove the components such as the support frame 4, the side formwork 2, the bottom formwork 1 and the scaffolding respectively, and the construction of the stairs can be realized.

[0033] The specific embodiments are only explanations of the present invention, and they do not limit the present invention. Those skilled in the art can make modifications without creative contributions to the embodiments according to needs after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A staircase support structure, comprising a bottom formwork (1), two side formworks (2) and a plurality of forming plates (3), characterized in that: The staircase support structure further includes a support frame (4) arranged parallel to the bottom formwork (1) above. A plurality of the forming plates (3) are respectively vertically fixed on the support frame (4). A pair of support seats (5) are respectively detachably connected to both ends of the support frame (4), and the support seats (5) are used to be placed on the floor slabs of corresponding floors. A tread plate (6) is detachably connected to the support frame (4) for workers to step on when plastering.

2. The staircase support structure according to claim 1, characterized in that: The support frame (4) includes two support beams (41) arranged in parallel. A plurality of the forming plates (3) are respectively welded and fixed to the two support beams (41), and the tread plate (6) is detachably connected to the two support beams (41). The corresponding end parts of the two support beams (41) on the two support beams (41) are respectively connected by horizontally arranged support plates (42), and the two support plates (42) are respectively detachably connected to the corresponding pair of support seats (5).

3. The staircase support structure according to claim 2, characterized in that: A plurality of U-shaped limiting frames (7) are arranged in one-to-one correspondence on the opposite sides of the two support beams (41). The plurality of limiting frames (7) on each support beam (41) are respectively arranged at intervals with the plurality of forming plates (3), and both ends of the tread plate (6) can be respectively clamped into the corresponding limiting frames (7).

4. The staircase support structure according to claim 2, characterized in that: Each support seat (5) respectively includes a receiving seat (51), a support column (52) and a limiting ring (53). The receiving seat (51) is used to be placed on the floor slab of the corresponding floor. The support column (52) is vertically fixed on the corresponding receiving seat (51), and the limiting ring (53) is arranged on the corresponding support column (52); A pair of limiting holes (8) are respectively penetrated through the two support plates (42). Each support column (52) can respectively pass through the corresponding limiting hole (8), and the support plate (42) is lapped on the corresponding limiting ring (53) to realize the support and limitation of the support plate (42).

5. The staircase support structure according to claim 4, characterized in that: The limiting ring (53) is threadedly sleeved on the corresponding support column (52). A control ring (54) is fixedly connected to the limiting ring (53). The outer contour of the control ring (54) is a regular hexagon and can cooperate with a wrench.

6. The staircase support structure according to claim 2, characterized in that: Dovetail strips (9) are respectively vertically arranged on both sides of each forming plate (3). A plurality of dovetail grooves (10) are respectively arranged on the opposite sides of the two side formworks (2), and the plurality of dovetail strips (9) can be correspondingly clamped into the corresponding dovetail grooves (10).

7. The staircase support structure according to claim 2, characterized in that: Limiting angle irons (11) are respectively fixedly connected to both sides of the bottom formwork (1). The two side formworks (2) are located between the two limiting angle irons (11). The two side formworks (2) are respectively abutted against the corresponding limiting angle irons (11), and the two limiting angle irons (11) are respectively connected to the corresponding side formworks (2) by a plurality of fastening screws (12).

8. The staircase support structure according to claim 7, characterized in that: A plurality of positioning blocks (13) are fixedly connected to opposite sides of the two limiting angle irons (11), and a plurality of positioning grooves (14) are provided on opposite sides of the two side templates (2), and the plurality of positioning blocks (13) can be correspondingly inserted into the corresponding positioning grooves (14).

9. The stair support structure according to claim 2, characterized in that: Lifting rings (43) are respectively fixedly connected to the two support beams (41).

10. A staircase construction method, using the staircase support structure according to any one of claims 1-9, characterized in that: The steps include: S1, build a scaffold and connect the bottom template (1) to the scaffold; S2, connecting the two side templates (2) to the bottom template (1) respectively; S3, placing two pairs of support bases (5) on the floor slabs of corresponding floors respectively; S4, connecting the two ends of the support frame (4) to a corresponding pair of support seats (5), at which point the two sides of the plurality of forming plates (3) are in contact with the corresponding side templates (2); S5, pouring concrete between the bottom formwork (1) and the two side formworks (2) by using a pouring device; S6, adjusting and installing the pedal (6) according to the plastering position, and smoothing the concrete between two adjacent forming plates (3) in sequence; S6: After the concrete solidifies, the scaffolding and stair support structure are removed separately.

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