Cast-in-place concrete beam and slab structure formwork supporting system

Abstract

The utility model relates to the technical field of formwork supporting, in particular to a cast-in-place concrete beam and slab structure formwork supporting system which comprises a plurality of supporting units and connecting assemblies, each supporting unit comprises a plurality of supporting rods, the supporting rods are arranged along an equilateral polygon, fixing rings and sliding rings are arranged on the supporting rods, the fixing rings are fixed to the supporting rods, and the sliding rings are fixed to the supporting rods. The sliding rings slide along the supporting rods, and every two adjacent supporting rods are connected through a connecting rod. Each connecting assembly comprises a connecting piece, and the supporting rods in every two adjacent supporting units are connected through the corresponding connecting piece. According to the designed cast-in-place concrete beam and slab structure formwork supporting system, when a support supporting formwork needs to be built, the supporting rods in one supporting unit are unfolded through the connecting rods, and then the supporting unit is fixed to a foundation; and then the supporting rods in the other supporting unit are connected with the supporting rods in the connecting units on the foundation through the connecting pieces, so that the bracket is quickly built.

Description

Technical Field

[0001] The present application relates to the technical field of formwork support, and in particular to a formwork support system for a cast-in-place concrete beam-slab structure. Background Art

[0002] In construction projects, when pouring concrete beams and slabs, it is necessary to erect and support the formwork in advance. In the existing formwork support system, steel or wooden poles are used to build scaffolding to form a bracket support, and the steel formwork is used for concrete construction. In the process of building the scaffolding, most of them use a coupler-type steel pipe scaffold or a bowl-hook type steel pipe scaffold. An adjustable top support is set on the top of the vertical pole of the coupler-type steel pipe scaffold or the bowl-hook type steel pipe scaffold, and then a support beam is laid on the adjustable top support. A joist is set on the support beam, and then the beam and slab formwork is installed on the joist. This support system has the problems of cumbersome construction and long working time. Utility Model Content

[0003] In order to improve the construction efficiency of the support system, the present application provides a cast-in-place concrete beam-slab structure formwork support system, which adopts the following technical solutions:

[0004] A cast-in-place concrete beam-slab structure formwork support system, comprising a plurality of support units, wherein two adjacent support units are connected to each other via a connector;

[0005] The support unit comprises at least two cylindrical support rods, the plurality of support rods are arranged along an equilateral polygon, each of the support rods is provided with a fixed ring and a sliding ring, the fixed ring is fixed to the support rod, the sliding ring slides along the length direction of the support rod, two adjacent support rods are connected by a plurality of connecting rods, one end of one of the connecting rods is rotatably connected to the fixed ring on one of the support rods, and one end of one of the connecting rods is rotatably connected to the sliding ring on an adjacent support rod;

[0006] The support rods in two adjacent support units are connected by the connecting piece.

[0007] By adopting the above technical solution, when it is necessary to build a bracket to support the template, the support rods in a support unit are stretched out through the connecting rods to form a columnar body, and then one support unit is fixed on the foundation, and then the support rods in another support unit are connected to the support rods in the connecting unit on the foundation through the connecting piece, so as to quickly build the bracket. After the bracket is built, the template is installed above the topmost support unit. When disassembling the bracket, the support rods in the support unit are closed to reduce the occupied space and facilitate personnel storage.

[0008] Optionally, a plurality of first slide grooves are provided at both ends of the support rod in a direction approaching each other, the plurality of first slide grooves are distributed circumferentially along the support rod, and an annular groove is provided on the bottom walls of the first slide grooves at both ends of the support rod that are close to each other, respectively, the annular groove is coaxial with the support rod, and the annular groove is connected with the first slide groove;

[0009] One of the annular grooves is provided with a second sliding groove half the number of the first sliding grooves along the axis direction of the support rod, and a plurality of the second sliding grooves are distributed along the circumference direction of the support rod and are staggered with the first sliding grooves;

[0010] Another of the annular grooves is provided with a third sliding groove half the number of the first sliding grooves along the direction in which the second sliding grooves are provided, and the plurality of the third sliding grooves are distributed along the circumference of the support rod and are located on the same straight line parallel to the axis of the support rod as the second sliding grooves;

[0011] A cylindrical plug-in groove is penetrated through the connecting member, and a plurality of plug-in blocks are arranged on the side wall of the plug-in groove. The plurality of plug-in grooves are distributed along the circumference of the plug-in groove, and two rows are arranged along the opening direction of the plug-in groove. The plug-in blocks enter the annular groove from the first slide groove, and a row of the plug-in blocks enters the second slide groove, and a row of the plug-in blocks enters the third slide groove.

[0012] By adopting the above technical solution, when personnel install the support unit, the opening direction of the second slide groove is vertically downward, and the third slide groove on a support rod is located above the second slide groove. When the two support rods are spliced ​​with each other, first slide a row of plug-in blocks in the connecting piece into the annular groove along the first slide groove opened at the top of the lower support rod, and then insert the bottom end of the upper support rod into the plug-in groove, so that the plug-in blocks of another row of the connecting piece enter the annular groove along the first slide groove at the bottom end of the upper support rod, and then rotate the connecting piece to make the two rows of plug-in blocks enter the second slide groove and the third slide groove respectively, thereby completing the connection between the two support rods and limiting the separation between the support rods.

[0013] Optionally, the support unit further includes a plurality of limiting rings, each of the support rods is provided with a limiting ring, and the limiting ring is located between the fixed ring and the sliding ring.

[0014] By adopting the above technical solution, the moving distance of the sliding ring is limited by the limit ring, thereby limiting the support distance between the support rods and maintaining an effective support structure.

[0015] Optionally, the limiting ring slides on the support rod along the axis direction of the support rod, and a fixing piece is provided on the limiting ring, and the fixing piece fixes the limiting ring on the support rod.

[0016] By adopting the above technical solution, the distance between the limit rings is adjusted, the support distance between the support rods is adjusted, and the horizontal support range of the bracket is changed.

[0017] Optionally, a reinforcing assembly is further included, the reinforcing assembly includes a reinforcing member, and each of the connecting members is coaxially rotatably connected to the reinforcing member.

[0018] By adopting the above technical solution, the connecting member is connected to the reinforcing member, and at the connection between every two supporting units, the bracket is laterally tightened by the reinforcing member to improve the stability of the bracket.

[0019] Optionally, the reinforcement is provided with a linkage assembly, the linkage assembly includes a plurality of first connecting rods and a rotating disk, the rotating disk is rotatably connected to the reinforcement, and the rotation axis of the rotating disk and the reinforcement is consistent with the axis of the equilateral polygon surrounded by the plurality of support rods;

[0020] One end of the first connecting rod is rotatably connected to the connecting member, and the other end is rotatably connected to the rotating disk, and the rotation axes at both ends of the first connecting rod are parallel to the axis of the support rod.

[0021] By adopting the above technical solution, a person drives the first connecting rod to rotate by rotating the rotating disk, thereby driving the connecting piece to rotate, so that the person can operate multiple connecting pieces at the same time.

[0022] Optionally, a limit assembly is also included, which includes a plurality of limit blocks with wedge-shaped surfaces, each of which is provided with a limit block. The limit block elastically slides in the second slide groove along the axis of the support rod as the rotation center, and the wedge-shaped surface of the limit block is located in the second slide groove in a normal state.

[0023] By adopting the above technical solution, when the plug-in block enters the second slide groove in the connecting piece, the limit block is squeezed into the support rod. When the plug-in block slides to below the limit block, the limit block pops out to limit the plug-in block from sliding out of the second slide groove.

[0024] Optionally, it also includes an unlocking component, which includes an unlocking ring and multiple second connecting rods, the unlocking ring is coaxially rotatably connected to the outside of the support rod, one end of the second connecting rod is fixedly connected to the limit block and the other end is fixedly connected to the unlocking ring, and a first avoidance groove for the second connecting rod to rotate is opened in the support rod.

[0025] By adopting the above technical solution, a person can rotate the unlocking ring to drive all the limit blocks to rotate into the support rod at the same time, thereby releasing the limit on the plug-in block. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1This is a schematic diagram of the overall structure of a cast-in-place concrete beam-slab structure formwork support system according to an embodiment of the present application;

[0027] Figure 2 It is a partial structural exploded schematic diagram of a cast-in-place concrete beam-slab structure formwork support system according to an embodiment of the present application;

[0028] Figure 3 It is a schematic diagram of the structure of the connecting member in this application;

[0029] Figure 4 It is a schematic cross-sectional view of a partial structure of a cast-in-place concrete beam-slab structure formwork support system according to an embodiment of the present application.

[0030] 1. Support unit; 11. Support rod; 111. First slide groove; 112. Ring groove; 113. Second slide groove; 114. Third slide groove; 115. First avoidance groove; 116. Second avoidance groove; 12. Fixed ring; 13. Sliding ring; 14. Connecting rod; 15. Limiting ring; 151. Fixing member; 2. Connecting assembly; 21. Connecting member; 211. Plug-in groove; 212. Plug-in block; 3. Limiting assembly; 31. Limiting block; 4. Unlocking assembly; 41. Unlocking ring; 42. Second connecting rod; 5. Reinforcing assembly; 51. Reinforcing member; 6. Linking assembly; 61. First connecting rod; 62. Rotating disk. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The embodiment of the present application discloses a cast-in-place concrete beam-slab structure formwork support system.

[0033] Reference Figure 1 A cast-in-place concrete beam-slab structure formwork support system includes a support unit and a connection assembly, wherein the connection assembly 2 includes a connection piece 21, and two adjacent support units 1 are spliced ​​by the connection piece 21 to form a support frame to support the formwork.

[0034] Reference Figure 1 and Figure 2The support unit 1 includes at least two support rods 11, and the multiple support rods 11 are arranged along an equilateral polygon. In the present application, there are four support rods 11, and the four support rods 11 are arranged in the positive direction. Each support rod 11 is provided with a fixed ring 12 and a sliding ring 13. The fixed ring 12 is fixed to one end of the support rod 11. When the bracket is installed, the fixed ring 12 is located above the sliding ring 13, and the sliding ring 13 slides along the length direction of the support rod 11. When the four support rods 11 are arranged, the fixed ring 12 is located on the same side, and two adjacent support rods 11 are connected by multiple connecting rods 14. A connecting rod One end of 14 is rotatably connected to a fixed ring 12 on a support rod 11, and the other end is rotatably connected to a sliding ring 13 on an adjacent support rod 11. The rotation axes at both ends of the connecting rod 14 are parallel to each other and to the axis of the support rod 11. Multiple support units 1 are spliced ​​along the axial direction of the support rod 11, and the support rods 11 between two adjacent support units 1 are connected by a connecting piece 21. When it is necessary to install a bracket and support the template, the four support rods 11 are spread out to form a cubic column. When it is necessary to store the support unit 1, the four support rods 11 are stored together through the connecting rod 14 to facilitate storage by personnel.

[0035] Reference Figure 1 , Figure 2 ,and Figure 3 In order to facilitate personnel to quickly connect the support rods 11 in two adjacent support units 1, multiple first slide grooves 111 are opened at both ends of the support rod 11 in the direction of approaching each other. The multiple first slide grooves 111 are distributed along the circumference of the support rod 11. In the present application, four first slide grooves 111 are opened at both ends of the support rod 11, and an annular groove 112 is opened on the bottom wall of the first slide grooves 111 at both ends of the support rod 11 that are close to each other. The annular groove 112 is coaxial with the support rod 11 and communicates with the first slide groove 111. , four second slide grooves 113 are opened on the bottom wall of the annular groove 112 on the side close to the fixed ring 12 along the axial direction of the support rod 11, and the four second slide grooves 113 are distributed along the circumference of the support rod 11, and the second slide grooves 113 are staggered with the first slide grooves 111 in the axial direction of the support rod 11, and four third slide grooves 114 are opened on the bottom wall of the annular groove 112 away from the fixed ring 12 along the opening direction of the second slide grooves 113, and the projections of the third slide grooves 114 and the second slide grooves 113 in the axial direction of the support rod 11 are consistent;

[0036] In the present application, the connecting member 21 is a cylinder, and a coaxial cylindrical plug-in groove 211 is provided along the axial direction of the connecting member 21. The plug-in blocks 212 having the same number as the first slide groove 111 are provided on the side wall of the plug-in groove 211, and are divided into two rows along the axis of the connecting member 21, with four plug-in blocks in one row, and the projections of the plug-in blocks 212 in the two rows in the axial direction of the connecting member 21 are consistent;

[0037] During the installation process, first, insert a row of plug-in blocks 212 of the connecting piece 21 into the annular groove 112 along the first slide groove 111 at one end of the support rod 11, and then insert the end of the support rod 11 in the adjacent support unit 1 away from its fixing ring 12 into the plug-in groove 211, so that the plug-in blocks 212 of another row on the connecting piece 21 enter the annular groove 112 along the first slide groove 111, and then rotate the connecting piece 21. When the plug-in blocks 212 rotate to the second slide groove 113, slide the connecting piece 21 downward, so that a row of plug-in blocks 212 in the connecting piece 21 are inserted into the second slide groove 113, and the other row of plug-in blocks 212 are inserted into the third slide groove 114, thereby achieving the locking of the two support rods 11.

[0038] Reference Figure 1 and Figure 4 In order to prevent the plug-in block 212 from sliding out of the second slide groove 113, a cast-in-place concrete beam and slab structure formwork support system also includes a limit assembly 3, and the limit assembly 3 includes a plurality of limit blocks 31 with wedge-shaped surfaces. Each second slide groove 113 is provided with a limit block 31, and each limit block 31 elastically slides in the second slide groove 113 with the axis of the support rod 11 as the rotation center. For this reason, a first avoidance groove 115 is opened on the side wall of each second slide groove 113 with the axis of the support rod 11 as the rotation center. When the limit block 31 is in a normal state, one end of the limit block 31 is located at the first avoidance groove. In the groove 115, the wedge surface is located in the second slide groove 113 and faces the side away from the opening direction of the second slide groove 113. When the plug-in block 212 is inserted into the second slide groove 113, the plug-in block 212 first contacts the wedge surface on the limit block 31, pushing the limit block 31 to slide into the first avoidance groove 115, and the plug-in block 212 continues to slide toward the bottom of the second slide groove 113. When the plug-in block 212 slides to below the limit block 31, one end of the limit block 31 pops out from the first avoidance groove 115, completing the restriction on the plug-in block 212, thereby increasing the stability of the bracket.

[0039] Refer to the figure and Figure 4 In order to facilitate sliding the plug-in block 212 out of the second slide groove 113, a cast-in-place concrete beam and slab structure formwork support system also includes an unlocking component 4, which includes an unlocking ring 41 and a plurality of second connecting rods 42. The unlocking ring 41 is coaxially rotatably connected to the support rod 11, one end of a second connecting rod 42 is fixed to one end of a limit block 31 located in the first avoidance groove 115, and the other end extends to the outside of the support column and is fixedly connected to the unlocking ring 41. The support column is provided with a plurality of second avoidance grooves 116 for the second connecting rod 42 to rotate.

[0040] Reference Figure 1 ,and Figure 2In order to limit the maximum distance between the support rods 11 in a support unit 1, a limit ring 15 is coaxially provided on each support rod 11 between the fixed ring 12 and the sliding ring 13. The limit ring 15 limits the movement of the sliding ring 13 toward the fixed ring 12, thereby limiting the maximum distance between the two support rods 11.

[0041] Reference Figure 1 and Figure 2 In order to further change the maximum distance between the support rods 11 in a support unit 1, the limit ring 15 slides on the support rod 11 along the axial direction of the support rod 11, and each limit ring 15 is provided with a fixing member 151. In the present application, the fixing member 151 is a tightening bolt, and the fixing member 151 is threadedly connected to the limit ring 15, so as to limit the position of the limit ring 15 on the support rod 11.

[0042] Reference Figure 1 and Figure 2 In order to enhance the stability of the support, a cast-in-place concrete beam and slab structure formwork support system also includes a reinforcement component 5, and the reinforcement component 5 includes a reinforcement member 51. Each support unit 1 is provided with a reinforcement member 51 at the connection between each other. The reinforcement member 51 is petal-shaped and is selected according to the number of support rods 11 in a support unit 1. In the present application, the reinforcement member 51 is a cross-shaped plate. Each connecting member 21 is rotatably connected to a protrusion of a reinforcement member 51, and the rotation axis is parallel to the axis of the support rod 11, so as to stabilize the stability of the support.

[0043] Reference Figure 1 and Figure 2 In order to facilitate the simultaneous rotation of four connecting members 21, a cast-in-place concrete beam and slab structure formwork support system also includes a linkage assembly 6, which includes multiple first connecting rods 61 and a rotating disk 62. The rotating disk 62 is coaxially rotatably connected to the reinforcement 51. The rotation axis of the rotating disk 62 and the reinforcement 51 is consistent with the center line of the four support rods 11 in a support unit 1. One end of the first connecting rod 61 is rotatably connected to the side wall of the connecting member 21, and the other end is rotatably connected to the peripheral side of the rotating disk 62. The rotation axes at both ends of the first connecting rod 61 are parallel to each other and to the axis of the support rod 11, so that the rotating disk 62 drives the four connecting members 21 to rotate simultaneously.

[0044] The implementation principle of the formwork support system for a cast-in-place concrete beam-slab structure in the embodiment of the present application is as follows: when the formwork needs to be supported, the four support rods 11 in a support unit 1 are first spread out, and the support rods 11 are restricted from further expansion by the limit ring 15, and then the bottom support unit 1 is fixed to the foundation, and then the reinforcement member 51 together with the four connecting members 21 are inserted into the end of the support rod 11 away from the foundation, so that the plug-in block 212 in the connecting member 21 enters the annular groove 112 from the first slide groove 111, and then the other one is inserted into the support rod 11. The support rod 11 in each support unit 1 is inserted into the connecting piece 21, so that a row of plug-in blocks 212 of the connecting piece 21 away from the foundation enters into the annular groove 112, and then the rotating disk 62 is rotated to make the two rows of plug-in blocks 212 in the connecting piece 21 enter into the second slide groove 113 and the third annular groove 112 respectively, and the limit block 31 in the second slide groove 113 limits the plug-in block 212, thereby completing the splicing of the two support units 1, and different numbers of support units 1 can be installed according to the required support height of the template.

[0045] 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 cast-in-place concrete beam-slab structure formwork support system, characterized in that: The invention comprises a plurality of support units (1) and a connection assembly (2), wherein the support unit (1) comprises at least two cylindrical support rods (11), wherein the plurality of support rods (11) are arranged along an equilateral polygon, wherein each of the support rods (11) is provided with a fixed ring (12) and a sliding ring (13), wherein the fixed ring (12) is fixed to the support rod (11), and the sliding ring (13) slides along the length direction of the support rod (11), and two adjacent support rods (11) are connected via a plurality of connecting rods (14), wherein one end of a connecting rod (14) is rotatably connected to the fixed ring (12) on one of the support rods (11), and one end of a connecting rod (14) is rotatably connected to the sliding ring (13) on an adjacent support rod (11); The connection assembly (2) comprises a connection piece (21), and the support rods (11) in two adjacent support units (1) are connected via the connection piece (21).

2. A cast-in-place concrete beam-slab structure formwork support system according to claim 1, characterized in that: A plurality of first slide grooves (111) are provided at both ends of the support rod (11) in a direction approaching each other, and the plurality of first slide grooves (111) are distributed circumferentially along the support rod (11). An annular groove (112) is provided on the bottom wall of the first slide grooves (111) at both ends of the support rod (11) approaching each other, respectively, and the annular groove (112) is coaxial with the support rod (11), and the annular groove (112) is connected with the first slide groove (111); One of the annular grooves (112) is provided with a second slide groove (113) half the number of the first slide grooves (111) along the axial direction of the support rod (11); a plurality of the second slide grooves (113) are distributed along the circumference direction of the support rod (11) and are staggered with the first slide groove (111); Another of the annular grooves (112) is provided with a third slide groove (114) half the number of the first slide grooves (111) along the direction in which the second slide groove (113) is opened, and the plurality of third slide grooves (114) are distributed along the circumference of the support rod (11) and are located on the same straight line as the second slide groove (113) and parallel to the axis of the support rod (11); The connecting member (21) is provided with a cylindrical plug-in groove (211) extending through the connecting member (21), and a plurality of plug-in blocks (212) are provided on the side wall of the plug-in groove (211). The plurality of plug-in grooves (211) are distributed along the circumference of the plug-in groove (211), and two rows are provided along the opening direction of the plug-in groove (211). The plug-in blocks (212) enter the annular groove (112) from the first slide groove (111), and a row of the plug-in blocks (212) enters the second slide groove (113), and a row of the plug-in blocks (212) enters the third slide groove (114).

3. A cast-in-place concrete beam-slab structure formwork support system according to claim 2, characterized in that: The support unit (1) further comprises a plurality of limiting rings (15), each of the support rods (11) being provided with a limiting ring (15), and the limiting ring (15) being located between the fixed ring (12) and the sliding ring (13).

4. A cast-in-place concrete beam-slab structure formwork support system according to claim 3, characterized in that: The limiting ring (15) slides on the supporting rod (11) along the axial direction of the supporting rod (11), and a fixing member (151) is provided on the limiting ring (15), and the fixing member (151) fixes the limiting ring (15) on the supporting rod (11).

5. A cast-in-place concrete beam-slab structure formwork support system according to claim 3, characterized in that: It also includes a reinforcing assembly (5), which includes a reinforcing member (51), and each of the connecting members (21) is coaxially rotatably connected to the reinforcing member (51).

6. A cast-in-place concrete beam-slab structure formwork support system according to claim 5, characterized in that: The reinforcement member (51) is provided with a linkage assembly, the linkage assembly comprising a plurality of first connecting rods (61) and a rotating disk (62), the rotating disk (62) being rotatably connected to the reinforcement member (51), and the rotation axis of the rotating disk (62) and the reinforcement member (51) is consistent with the axis of the equilateral polygon surrounded by the plurality of support rods (11); One end of the first connecting rod (61) is rotatably connected to the connecting member (21), and the other end is rotatably connected to the rotating disk (62), and the rotation axes at both ends of the first connecting rod (61) are parallel to the axis of the support rod (11).

7. A cast-in-place concrete beam-slab structure formwork support system according to claim 6, characterized in that: The invention also comprises a limit assembly (3), wherein the limit assembly (3) comprises a plurality of limit blocks (31) with wedge-shaped surfaces, wherein each of the second slide grooves (113) is provided with one of the limit blocks (31), and wherein the limit blocks (31) elastically slide in the second slide groove (113) along the axis of the support rod (11) as the rotation center, and wherein the wedge-shaped surface of the limit block (31) is located in the second slide groove (113) in a normal state.

8. A cast-in-place concrete beam-slab structure formwork support system according to claim 7, characterized in that: The invention also comprises an unlocking assembly (4), wherein the unlocking assembly (4) comprises an unlocking ring (41) and a plurality of second connecting rods (42), wherein the unlocking ring (41) is coaxially rotatably connected to the outside of the support rod (11), one end of one of the second connecting rods (42) is fixedly connected to the limit block (31) and the other end is fixedly connected to the unlocking ring (41), and a first avoidance groove (115) for the second connecting rod (42) to rotate is provided in the support rod (11).

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