Stair building template supporting structure

Abstract

The utility model relates to a stair building template supporting structure, which belongs to a stair pouring supporting system and comprises a short beam, a long beam and a main inclined strut, the short beams are located on the lower side of the stair bottom die, the short beams are arranged in the width direction of the stair bottom die, the multiple short beams are arranged in an array mode in the length direction of the stair bottom die, side inclined struts are arranged on the two sides of each short beam in the length direction correspondingly, and the side inclined struts abut against the close wall body in the inclined lower direction correspondingly; the long beams are parallel to the bottom face of the stair bottom die and abut against all the short beams. The main inclined strut is connected to the middle of the long beam in an abutting mode and comprises a horizontal strut and an inclined strut, the horizontal strut and the inclined strut are located in the same vertical plane, one end of the horizontal strut is connected to the inclined strut in an abutting mode, and the end, away from the inclined strut, of the horizontal strut is perpendicularly and fixedly connected to the side, away from the stepping section, of the wall. And the inclined support is fixedly connected to a floor slab on the lower layer in an inclined downward manner. The method has the effect of shortening the construction period.

Description

Technical Field

[0001] The present application relates to the field of stair casting support systems, and in particular to a stair building formwork support structure. Background Art

[0002] Cast-in-place concrete stairs are a very common and widely used type of stairs. They are durable, earthquake-resistant, and have good load-bearing and fire-resistant properties. Cast-in-place concrete stairs are built on the construction site in the shape of a staircase, with steel bars tied, and the staircase sections, platforms, and completed floor slabs are cast in concrete on site to form a whole.

[0003] refer to Figure 1 The stair bottom mold 1 is divided into a step section 12 and a platform section 11. The step section 12 is inclined upward, and the platform section 11 is located at the upward end of the step section 12. The end of the platform section 11 away from the step section 12 is connected to the inner side of the wall, and the downward end of the step section 12 is connected to the side of the floor 8 away from the wall.

[0004] Regarding the above-mentioned related technologies, after the concrete is poured, it needs to be maintained, and the maintenance time is generally 7-14 days. During the maintenance period, you cannot walk on the undried stairs or apply too much pressure to avoid affecting the strength and flatness of the stairs. Therefore, the staircase casting is carried out in sections. The upper building formwork needs to be supported by a support frame on the lower stairs. It is necessary to wait until the lower stairs reach the strength requirements before setting up the building formwork for pouring, resulting in a long construction period. Utility Model Content

[0005] In order to shorten the construction period, the present application provides a staircase building formwork support structure.

[0006] The present application provides a staircase building formwork support structure adopting the following technical solution:

[0007] A staircase building formwork support structure, comprising a short beam, a long beam and a main diagonal brace; the short beam is located at the lower side of the staircase bottom formwork, the short beam is arranged along the width direction of the staircase bottom formwork, and a plurality of short beams are arranged in an array along the length direction of the staircase bottom formwork, and side diagonal braces are respectively arranged on both sides of the short beam along the length direction, and the side diagonal braces are respectively abutted against nearby walls obliquely downward; the long beam is arranged parallel to the bottom surface of the staircase bottom formwork, and the long beam abuts against all short beams; the main diagonal brace abuts against the middle part of the long beam, and the main diagonal brace comprises a horizontal brace and an inclined brace, the horizontal brace and the inclined brace are located in the same vertical plane, the horizontal brace is arranged horizontally, one end of the horizontal brace abuts against the inclined brace, the horizontal brace is vertically fixed to the wall on the side away from the step section at one end away from the inclined brace, and the inclined brace is obliquely fixed downward to the floor slab of the lower layer.

[0008] By adopting the above technical solution, the staircase is cast in sections. Before casting, the staircase bottom form is supported. A plurality of short beams are arrayed and abutted against the bottom of the staircase bottom form along the width direction of the staircase bottom form. A long beam is fixedly connected to the middle position outside the short beam along the length direction of the staircase bottom form. A main diagonal brace is fixedly connected to the middle position of the long beam. The main diagonal brace and the long beam are located in the same vertical plane. The main diagonal brace is divided into two sections, a horizontal brace and an inclined brace. The horizontal brace is fixed to the wall away from the floor slab in the length direction of the horizontal section of the staircase bottom form, and the inclined brace is fixed to the floor slab below the staircase bottom form along the length direction of the step section of the staircase bottom form. The main diagonal brace is made into the wall connected to the staircase bottom form and the floor slab below by the cooperation of the long beam and the short beam, avoiding the cast stairs below the staircase bottom form that are not completely dry. When the stairs cast below the staircase bottom form are not completely dry, the upper layer can be cast, which saves construction time.

[0009] Preferably, a sleeve is provided at the abutment position of the horizontal support and the inclined support, the middle portion of the sleeve is bent at an obtuse angle, a horizontal support and an inclined support are respectively inserted at both ends of the sleeve, and the sleeve abuts against the long beam.

[0010] By adopting the above technical solution, the horizontal support and the inclined support are connected by a fixed-angle sleeve, which strengthens the strength of the connection position between the horizontal support and the inclined support, improves the overall support strength of the main inclined support, and improves the stability of the main inclined support.

[0011] Preferably, a plurality of wooden squares are arranged in an array along the length direction on the lower side of the stair base mold, the wooden squares are located between the stair base mold and the short beam, and the wooden squares are provided with a groove on one side corresponding to the short beam, in which the short beam is clamped.

[0012] By adopting the above technical solution, a rectangular-section wooden block is provided under the stair bottom mold, and a matching opening is provided at the position of the short beam on the wooden block to change the original line contact into surface contact, thereby increasing the abutment area when supporting the stair bottom mold 1 and improving the overall stability.

[0013] Preferably, an auxiliary diagonal brace is provided on the short beam below the platform section, and two ends of the auxiliary diagonal brace are respectively abutted against the wall close to the platform section and the short beam below the platform section.

[0014] By adopting the above technical solution, an auxiliary diagonal brace is provided on the short beam below the platform section, and the auxiliary diagonal brace forms a triangular structure between the horizontal section and the wall to reinforce the horizontal section and improve the overall structural strength.

[0015] Preferably, connecting rods are respectively provided on the side diagonal braces on both sides of the short beam, and the two connecting rods respectively connect the side diagonal braces on the same side together.

[0016] By adopting the above technical solution, the connecting rod connects all the side supports on the same side in series, thereby enhancing the connection strength and preventing the side diagonal supports from tilting.

[0017] Preferably, a cross beam is arranged between two side diagonal braces corresponding to both sides of each short beam and away from one end of the short beam, and the cross beam abuts against opposite sides of the two side diagonal braces.

[0018] By adopting the above technical solution, the two ends of the cross beam are respectively abutted against the side diagonal braces located at the two ends of the same short beam, and the cross beam applies force toward the wall direction to the two side diagonal braces, thereby increasing the supporting strength of the side diagonal braces.

[0019] Preferably, a wooden board is laid above the upper step section of the stair bottom mold that has been cast below the sleeve, and an auxiliary support is provided on the side of the sleeve away from the long beam, and the auxiliary support is vertically downward and abuts against the wooden board.

[0020] By adopting the above technical solution, the auxiliary support is downwardly abutted against the wooden board, and the wooden board increases the force bearing area of ​​the auxiliary support for the cast stairs, reducing the possibility of damaging the cast stairs that are not completely dry. At the same time, the auxiliary support provides an upward supporting force to the sleeve to prevent the main diagonal support from sinking.

[0021] Preferably, reinforcement beams are respectively provided on both sides of the corresponding sleeves of the long beam, and the two reinforcement beams are respectively abutted against the horizontal support and the inclined support vertically downward.

[0022] By adopting the above technical solution, the reinforcement beam can be added to increase the support points for the long beam. At the same time, the lower end of the reinforcement beam abuts against the main diagonal support to avoid supporting the undried stairs and exerting excessive pressure on the undried stairs, so as not to affect the strength and flatness of the stairs.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The staircase is cast in sections. The staircase formwork is supported before casting. A plurality of short beams are arrayed and abutted against the staircase formwork below the staircase formwork along the width direction of the staircase formwork. A long beam is fixedly connected to the middle position outside the short beam along the length direction of the staircase formwork. A main diagonal brace is fixedly connected to the middle position of the long beam. The main diagonal brace and the long beam are located in the same vertical plane. The main diagonal brace is divided into two sections, a horizontal brace and an inclined brace. The horizontal brace is fixed to the wall away from the floor slab in the length direction of the horizontal section of the staircase formwork. The inclined brace is fixed to the floor slab below the staircase formwork at an angle downward along the length direction of the step section of the staircase formwork. The main diagonal brace makes the staircase formwork to be connected to the wall and the floor slab below the staircase formwork through the cooperation of the long beam and the short beam, avoiding the cast stairs that are not completely dry under the staircase formwork. The upper layer can be cast when the stairs cast under the staircase formwork are not completely dry, which saves construction time.

[0025] 2. The horizontal brace and the inclined brace are connected by a sleeve with a fixed angle, which strengthens the strength of the connection position between the horizontal brace and the inclined brace, improves the overall support strength of the main inclined brace, and improves the stability of the main inclined brace;

[0026] 3. The two ends of the cross beam are respectively in contact with the side diagonal braces located at the two ends of the same short beam, and the cross beam applies force toward the wall to the two side diagonal braces to increase the supporting strength of the side diagonal braces. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram of a staircase building formwork support structure according to an embodiment of the present application;

[0028] Figure 2 It is a structural schematic diagram of a protruding long beam of a staircase building formwork support structure in an embodiment of the present application.

[0029] Explanation of the reference numerals in the accompanying drawings: 1. Stair base formwork; 11. Platform section; 12. Step section; 2. Short beam; 21. Wooden square; 3. Long beam; 4. Main diagonal brace; 41. Inclined brace; 42. Horizontal brace; 43. Casing; 44. Reinforcement beam; 5. Auxiliary brace; 51. Wooden board; 6. Side diagonal brace; 61. Connecting rod; 62. Crossbeam; 7. Auxiliary diagonal brace; 8. Floor slab. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-2 This application is described in further detail.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0033] The present application embodiment discloses a staircase building formwork support structure. Figure 1 and 2A staircase building formwork support structure includes a plurality of short beams 2, a long beam 3 and a main diagonal brace 4. The short beams 2 are located below the staircase base form 1, and the short beams 2 are arranged in an array along the length direction of the staircase base form 1, and the short beams 2 are parallel to the width direction of the staircase base form 1. A plurality of wooden squares 21 are abutted between the short beams 2 and the staircase base form 1, and the wooden squares 21 are rectangular, and the wooden squares 21 correspond one to one with the short beams 2, and the wooden squares 21 are parallel to the corresponding short beams 2, and the two sides of the wooden squares 21 are respectively abutted against the lower side of the staircase base form 1 and the position of the short beam 2 close to the staircase base form 1. An arc-shaped groove is provided on one side of the wooden square 21 abutting against the short beam 2 along the length direction of the short beam 2, and the arc surface of the groove is adapted to the peripheral surface of the short beam 2, and the short beam 2 is clamped in the corresponding wooden square 21. The long beam 3 is parallel to the stair bottom form 1, and the long beam 3 is arranged along the length direction of the stair bottom form 1. The end of the long beam 3 away from the lower floor 8 is fixed to the wall, and all the short beams 2 are fixedly connected to the long beam 3 by fasteners. The long beam 3 is fixedly connected with a sleeve 43 by fasteners at the middle position along the length direction, and the main diagonal brace 4 is fixedly connected to the long beam 3 by the sleeve 43 fixed to the long beam 3, and the sleeve 43 and the long beam 3 are located in the same vertical plane. The main diagonal brace 4 is divided into a horizontal brace 42 and an inclined brace 41. The horizontal brace 42 is inserted at one end of the sleeve 43, and the horizontal brace 42 is parallel to the ground. The end of the horizontal brace 42 away from the sleeve 43 is fixed with an expansion bolt, and the horizontal brace 42 is horizontally fixed to the wall by the expansion bolt. One end of the inclined brace 41 is inserted at the end of the sleeve 43 away from the horizontal brace 42, and the inclined brace 41 is fixedly connected to the floor 8 below the stair bottom form 1 by tilting downward.

[0034] refer to Figure 1 and 2 The short beam 2 is fixedly connected with side braces 6 on both sides along the length direction by fasteners. The side braces 6 on both sides corresponding to each short beam 2 are in the same vertical plane. One end of the side brace 6 is fixedly connected to the position below the short beam 2 near the end. The end of the side brace 6 away from the short beam 2 is fixedly connected to the wall at an angle downward. The end of the side brace 6 is fixedly connected with an expansion bolt to fix the side brace 6 to the wall. The wall, the short beam 2 and the side brace 6 form a triangular support structure. A connecting rod 61 is fixedly connected to the top of the side brace 6. The connecting rod 61 is parallel to the long beam 3. The connecting rod 61 connects all the side braces 6 near the same end position of the short beam 2 along the length direction. The connecting rod 61 connects all the side braces on the same side in series to enhance the connection strength and prevent the side brace 6 from tilting. Two side braces 6 fixed to the same short beam 2 are respectively fixed to the same crossbeam 62 at positions away from the short beam 2. The crossbeam 62 is parallel to the short beam 2. The crossbeam 62 applies a force toward the wall to the side braces 6 to increase the supporting strength of the side braces 6.

[0035] refer to Figure 1 and 2 A wooden board 51 is placed on the cast staircase at the position directly below the sleeve 43, and an auxiliary support 5 is vertically abutted on the wooden board 51 at the position corresponding to the sleeve 43. The auxiliary support 5 vertically abuts on the side of the sleeve 43 away from the staircase formwork. The auxiliary support 5 abuts below the sleeve 43, and the end of the auxiliary support 5 away from the sleeve 43 abuts on the wooden board 51. The wooden board 51 increases the force-bearing area of ​​the auxiliary support 5 for the cast staircase, reducing the possibility of damaging the cast staircase that is not completely dry. At the same time, the auxiliary support 5 provides an upward supporting force to the sleeve 43 to prevent the main diagonal support 4 from sinking. Two reinforcing beams 44 are fixedly connected to the long beam 3 at a position away from the stair bottom mold 1 along the length direction. The two reinforcing beams 44 are symmetrically arranged with the sleeve 43 as the center. The two reinforcing beams 44 are respectively vertically downwardly abutted against the inclined support 41 and the horizontal support 42 to increase the supporting points of the long beam 3. At the same time, the lower end of the reinforcing beam 44 abuts against the main inclined support 4 to avoid supporting on the undried stairs and applying excessive pressure on the undried stairs, so as not to affect the strength and flatness of the stairs.

[0036] refer to Figure 1 and 2 An auxiliary diagonal brace 7 is fixedly connected to the short beam 2 below the platform section 11 of the stair bottom formwork 1 through a fastener. The auxiliary diagonal brace 7 approaches the wall and is fixed to the wall through expansion bolts. The auxiliary diagonal brace 7 forms a triangular structure between the horizontal section and the wall to reinforce the horizontal section and improve the overall structural strength.

[0037] The implementation principle of a staircase building formwork support structure in the embodiment of the present application is as follows: before using the staircase bottom formwork 1 to cast the stairs in sections, the staircase bottom formwork 1 needs to be supported first, and a plurality of wooden squares 21 are fixedly connected in an array along the length direction along the bottom of the staircase bottom formwork 1 below the staircase bottom formwork 1, and a plurality of short beams 2 are abutted in the grooves opened along the length direction on the wooden squares 21, and a long beam 3 is fixedly connected in the middle position outside the short beam 2 along the length direction of the staircase bottom formwork 1. A main diagonal brace 4 is fixedly connected in the middle position of the long beam 3, and the main diagonal brace 4 and the long beam 3 are located in the same vertical plane, and the main diagonal brace 4 is divided into two sections, a horizontal brace 42 and an inclined brace 41, and the horizontal brace 42 is fixed to the wall away from the floor 8 in the length direction of the horizontal section of the staircase bottom formwork 1, and the inclined brace 41 is fixed to the floor 8 below the staircase bottom formwork 1 in an inclined downward direction along the length direction of the step section 12 of the staircase bottom formwork 1. The main diagonal brace 4 makes the staircase bottom formwork 1 on the wall connected to the staircase bottom formwork 1 and the floor slab 8 below through the cooperation of the long beam 3 and the short beam 2, avoiding the cast stairs that are not completely dry under the staircase bottom formwork 1. When the cast stairs under the staircase bottom formwork 1 are not completely dry, the upper layer can be cast, which saves construction time.

[0038] This application has the effect of shortening the construction period.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A staircase building formwork support structure, characterized in that: The invention comprises a short beam (2), a long beam (3) and a main diagonal brace (4); the short beam (2) is located at the lower side of the stair bottom form (1); the short beam (2) is arranged along the width direction of the stair bottom form (1); a plurality of short beams (2) are arranged in an array along the length direction of the stair bottom form (1); side diagonal braces (6) are respectively arranged on both sides of the short beam (2) along the length direction; the side diagonal braces (6) are respectively abutted against the adjacent wall obliquely downward; the long beam (3) is arranged parallel to the bottom surface of the stair bottom form (1); the long beam (3) abuts against all the short beams (2); The main diagonal brace (4) is abutted against the middle part of the long beam (3), and the main diagonal brace (4) comprises a horizontal brace (42) and an inclined brace (41). The horizontal brace (42) and the inclined brace (41) are located in the same vertical plane. The horizontal brace (42) is arranged horizontally, and one end of the horizontal brace (42) is abutted against the inclined brace (41). One end of the horizontal brace (42) away from the inclined brace (41) is vertically fixed to a wall on a side away from the step section (12), and the inclined brace (41) is fixed obliquely downward to the floor slab (8) of the lower layer.

2. A staircase building formwork support structure according to claim 1, characterized in that: A sleeve (43) is provided at the abutment position of the horizontal support (42) and the inclined support (41); the middle portion of the sleeve (43) is bent at an obtuse angle; the horizontal support (42) and the inclined support (41) are respectively inserted at both ends of the sleeve (43); and the sleeve (43) abuts against the long beam (3).

3. A staircase building formwork support structure according to claim 2, characterized in that: A plurality of wooden squares (21) are arranged in an array along the length direction on the lower side of the staircase bottom mold (1); the wooden squares (21) are located between the staircase bottom mold (1) and the short beam (2); and a groove is arranged on one side of the wooden square (21) corresponding to the short beam (2), in which the short beam (2) is clamped.

4. A staircase building formwork support structure according to claim 3, characterized in that: An auxiliary diagonal brace (7) is provided on the short beam (2) below the platform section (11), and two ends of the auxiliary diagonal brace (7) are respectively abutted against the wall close to the platform section (11) and the short beam (2) below the platform section (11).

5. A staircase building formwork support structure according to claim 4, characterized in that: Connecting rods (61) are respectively provided on the side diagonal braces (6) on both sides of the short beam (2), and the two connecting rods (61) respectively connect the side diagonal braces (6) on the same side together.

6. A staircase building formwork support structure according to claim 5, characterized in that: A crossbeam (62) is provided between two side diagonal braces (6) corresponding to the two sides of each short beam (2) and at one end away from the short beam (2), and the crossbeam (62) abuts against opposite sides of the two side diagonal braces (6).

7. A staircase building formwork support structure according to claim 6, characterized in that: A wooden board (51) is laid above the upper step section (12) of the cast stair bottom formwork (1) below the sleeve (43), and an auxiliary support (5) is provided on the side of the sleeve (43) away from the long beam (3), and the auxiliary support (5) is vertically downwardly abutted against the wooden board (51).

8. A staircase building formwork support structure according to claim 7, characterized in that: The long beam (3) is provided with reinforcing beams (44) on both sides of the corresponding sleeve (43), and the two reinforcing beams (44) are vertically downwardly abutted against the horizontal support (42) and the inclined support (41) respectively.

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