Basement cylindrical cap formwork reinforcing structure and construction method thereof

Abstract

The invention discloses a basement cylindrical cap formwork reinforcing structure and a construction method thereof, and belongs to the field of formwork reinforcing. The basement cylindrical cap formwork reinforcing structure comprises a steel hoop, a horizontal steel truss, a stand column steel truss, a side formwork, an adjusting rod, a bottom formwork, a rail base and a sliding rail; the steel hoop is formed by connecting two semicircles through bolts, the steel hoop is provided with two symmetrical steel corbels, the horizontal steel trusses comprise the first horizontal steel truss and the second horizontal steel truss, the horizontal steel trusses are fixed to the upper portions of the steel corbels through bolts, and the stand column steel truss is fixed to the upper portions of the horizontal steel trusses. The reinforcing structure can be suitable for reinforcing the cylindrical cap arc-shaped formworks with different diameters, the reinforcing structure is reasonable in stress and easy and convenient to construct, the installation efficiency and the construction quality of the basement cylindrical cap formworks are improved, the manual workload is greatly reduced, and the problems of deformation, formwork expansion, slurry leakage and the like of the basement cylindrical cap arc-shaped formworks are solved.

Description

Technical Field

[0001] The invention belongs to the field of template reinforcement, and specifically relates to a basement cylindrical cap template reinforcement structure and a construction method thereof. Background Art

[0002] Basement column caps are usually set at complex nodes where multiple beams meet. Because the column caps are circular and the periphery is affected by the division of beams, the arc-shaped formwork on the side of the column cap cannot be continuously reinforced.

[0003] At present, the reinforcement of basement cylinder cap formwork often adopts the method of setting up steel pipe scaffolding as a supporting frame, cutting the formwork into several small sections, and then assembling them into arc-shaped side formwork. This construction process will cause quality problems such as deformation, expansion, and leakage of the arc-shaped formwork on the side of the cylinder cap. The construction of cylinder cap formworks with different diameters requires re-mold matching, resulting in low construction efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a basement cylindrical cap formwork reinforcement structure and a construction method thereof to solve the problems mentioned in the background technology or achieve better technical effects.

[0005] In order to solve the above technical problems, the inventors have obtained the technical solution of the present invention through practice and summary, and the present invention discloses a basement cylindrical cap template reinforcement structure, including a steel hoop, a horizontal steel truss, a column steel truss, a side template, a rail seat, a slide rail, an adjustment rod, and a bottom template; the steel hoop is connected by two semicircular arc-shaped parts through bolts, and the steel hoop is provided with two symmetrical steel corbels, the horizontal steel truss includes a first horizontal steel truss and a second horizontal steel truss, the horizontal steel truss is fixed to the upper part of the steel corbel by bolts, the column steel truss is fixed to the upper part of the horizontal steel truss, and the side template includes a rotating rod, a gear, a first track, a second horizontal steel truss, and a second horizontal steel truss. Two tracks, a lower steel formwork, a supporting partition, a limit stop, a torsion spring, and a supporting rotating shaft. The first track of the side formwork is connected to the second track through a gear, and the rotating rod causes the first track and the second track to move in opposite directions by rotating the gear; the rail seat is fixed to the upper part of the second horizontal steel truss, and the slide rail includes a lower slider and an upper stop block. The slide rail slides freely along the direction of the rail seat, and the side formwork is located on the rail seat. The side formwork is fixed to the upper stop block of the slide rail by the limit stop block, and the adjusting rod adjusts the spacing of the side formwork along the direction of the rail seat through the first fixing nut and the second fixing nut.

[0006] Preferably, the first horizontal steel truss and the second horizontal steel truss are fixed to the steel corbel by bolts;

[0007] Preferably, the beam is located between the side formworks;

[0008] Preferably, the upper stopper is arc-shaped, consistent with the curvature of the side template;

[0009] Preferably, the limit stops are symmetrically arranged on both sides of the upper stop to be fixed by socket, and the limit stops are arranged along the arc shape of the upper stop at intervals of 200 mm;

[0010] Preferably, the side template is fixed on the slide rail, and the limit block is acted upon by the upper block, so that the symmetrical limit blocks on both sides maintain a vertical opening and closing state;

[0011] Preferably, the side template is separated from the slide rail, and the limit blocks are symmetrical on both sides and remain in a closed state under the action of the torsion spring.

[0012] Preferably, support partitions are provided at intervals of 200 mm on both sides of the inner side of the lower steel formwork;

[0013] Preferably, a torsion spring is sleeved outside the support shaft and connected to a limit stopper, and the support shaft is fixed between the support partitions;

[0014] Preferably, the outer side of the side template is provided with primary and secondary keels as the fulcrum of the adjustment rod;

[0015] Preferably, the first track and the second track are provided with three tracks along the height direction of the side template, and are fixed to the inner mold and the outer mold respectively;

[0016] Preferably, the first track and the second track can adapt to side molds with different arc lengths through gear rotation;

[0017] Preferably, the first fixing nut and the second fixing nut are fixedly connected to the inner and outer cross bars of the column steel truss by welding.

[0018] The invention also discloses a construction method for a basement cylindrical cap formwork reinforcement structure, comprising the following steps:

[0019] Step 1: Make a steel hoop based on the cast column. The steel hoop is equipped with symmetrical steel corbels. The installation elevation of the steel hoop is determined according to the elevation of the bottom of the column cap, the second horizontal steel truss, and the height of the rail seat.

[0020] Step 2: The steel clamps are fastened with bolts, the first horizontal steel truss and the second horizontal steel truss are laid on the steel corbels, and fixed with bolts to prevent loosening and sliding, and the column steel truss is fixed to the first horizontal steel truss.

[0021] Step 3: Determine the position of the beam and column cap side formwork based on the positioning and laying out, and connect the center of the column cap with the center of the column cap side formwork. This line is used as the basis for the center line of the rail seat installation. The rail seat is fixed on the second horizontal steel truss.

[0022] Step 4: Install the slide rail, debug whether the lower slider moves smoothly along the direction of the rail seat, and install the bottom mold of the cylindrical cap.

[0023] Step 5: According to the arc length of the column cap side formwork obtained by on-site layout, adjust the first track and the second track to adapt to different arc lengths by rotating the gear through the rotating rod, install the supporting partition, limit block, torsion spring, and supporting shaft at the bottom of the side formwork, install the inner and outer formworks and the main and secondary keels, and finally assemble the side formwork.

[0024] Step 6: Install the side template on the slide rail, adjust and ensure that the upper slider of the slide rail and the limit block of the side template are firmly inserted.

[0025] Step 7: Set several fixing nuts on the inside and outside of the horizontal crossbar of the column steel truss, and use the adjusting rod through the fixing nuts to act on the primary and secondary keels on the outside of the side formwork. By turning the adjusting rod, the position of the side formwork of column caps with different diameters can be adjusted.

[0026] Compared with the prior art, the present invention can achieve the following technical effects:

[0027] The present invention can be applied to the reinforcement of cylindrical cap arc formworks with different diameters. The reinforcement structure has reasonable force and is easy to construct. It improves the installation efficiency and construction quality of the cylindrical cap formworks in the basement, greatly reduces the manual workload, and solves the problems of deformation, bulging, and leakage of the cylindrical cap arc formworks in the basement. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 :A basement cylindrical cap formwork reinforcement structure diagram

[0030] Figure 2 :Cylindrical clamp installation diagram

[0031] Figure 3 : Support truss, rail seat, slide rail installation diagram

[0032] Figure 4 : Installation drawing of support truss, rail seat, slide rail and bottom mold

[0033] Figure 5 : Installation drawing of side template, rail seat and slide rail

[0034] Figure 6 : Exploded view of side template, rail seat and slide rail installation

[0035] Figure 7 : Installation drawing of rotating rod, track and gear in side template

[0036] Figure 8 : Installation drawing of the lower limit stopper of the side template

[0037] Fig. 9 : Working diagram of socket connection between limit stopper and upper stopper

[0038] Fig.10 : Exploded view of limit stop

[0039] Fig.11 :Adjusting rod working diagram

[0040] Fig.12 : Detail of adjustment lever

[0041] In the figure: 1. cylinder, 2. steel hoop, 3. steel corbel, 4. beam, 5. horizontal steel truss, 501. first horizontal steel truss, 502. second horizontal steel truss, 6. column steel truss, 7. side formwork, 701. rotating rod, 702. gear, 703. first track, 704. second track, 705. lower steel formwork, 706. supporting partition, 707. limit block, 708. torsion spring, 709. supporting shaft, 8. adjusting rod, 801. first fixing nut, 802. second fixing nut, 9. bottom formwork, 10. rail seat, 11. slide rail, 1101. lower slider, 1102. upper block. DETAILED DESCRIPTION

[0042] 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 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.

[0043] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0044] like Figure 1-12As shown: a basement cylindrical cap template reinforcement structure, including a steel hoop 2, a horizontal steel truss 5, a side template 7, an adjusting rod 8, a bottom template 9, a rail seat 10, and a slide rail 11; the steel hoop 2 is connected by two semicircular arc-shaped parts through bolts, the steel hoop 2 includes two symmetrical steel brackets 3, the horizontal steel truss 5 includes a first horizontal steel truss 501 and a second horizontal steel truss 502, the horizontal steel truss 5 is fixed to the upper part of the steel bracket 3 by bolts, and the upper part of the horizontal steel truss 5 is fixedly connected with a column steel truss 6, and the side template 7 includes a rotating rod 701, a gear 702, a first track 703, a second track 704, a lower steel template 705, a support partition 706, a limit stopper 707, a torsion spring 708, a support The rotating shaft 709, the first track 703 and the second track 704 of the side template 7 are connected by the gear 702, and the rotating rod 701 rotates the gear 702 to make the first track 703 and the second track 704 move in the same or opposite directions; the rail seat 10 is fixed to the upper part of the second horizontal steel truss, the sliding rail 11 includes a lower slider 1101 and an upper stopper 1102, and the sliding rail 11 slides freely along the direction of the rail seat 10, and the side template 7 is located on the rail seat 10. The side template 7 is fixed by the upper stopper 1102 of the sliding rail 11 through the limit stopper 707, and the adjusting rod 8 adjusts the spacing of the side template 7 along the direction of the rail seat 10 through the first fixing nut 801 and the second fixing nut 802.

[0045] The first horizontal steel truss 501 and the second horizontal steel truss 502 are fixed to the steel corbel 3 by bolts; the beam 4 is located between the side templates 7; the upper block 1102 is arc-shaped, consistent with the arc of the side template 7; the limit block 707 is symmetrically arranged on both sides of the upper block 1102 to be fixed by socket, and the limit block 707 is arranged along the arc of the upper block 1102 at intervals of 200mm;

[0046] The side template 7 is fixed on the slide rail 11, and the limit block 707 is acted upon by the upper block 1102, so that the limit blocks 707 symmetrical on both sides maintain a vertical opening and closing state; the side template 7 is separated from the slide rail 11, and the limit blocks 707 symmetrical on both sides maintain a closed state under the action of the torsion spring 708.

[0047] Support partitions 706 are provided every 200 mm on both sides of the inner side of the lower steel formwork 705;

[0048] The support shaft 709 is provided with a torsion spring 708 on the outside thereof and connected with the limit stopper 707 , and the support shaft 709 is fixed between the support partitions 706 ;

[0049] The outer side of the side template 7 is provided with a primary and secondary keel, which serves as the fulcrum of the adjustment rod 8;

[0050] The first track 703 and the second track 704 are provided with three tracks along the height direction of the side mold plate 7, and are fixed to the inner mold plate and the outer mold plate respectively; the first track 703 and the second track 704 can adapt to the side mold plates with different arc lengths by rotating through the gear 702;

[0051] The first fixing nut 801 and the second fixing nut 802 are welded and fixedly connected to the inner and outer cross bars of the column steel truss 6 .

[0052] A construction method for a basement cylindrical cap formwork reinforcement structure of this embodiment includes the following steps:

[0053] Step 1: Make a steel hoop 2 based on the cast cylinder 1. A symmetrical steel bracket 3 is provided on the steel hoop 2. The installation elevation of the steel hoop 2 is determined according to the elevation of the cylinder cap bottom, the second horizontal steel truss 501, and the height of the rail seat 10;

[0054] Step 2: The steel hoop 2 is fastened with bolts, and the first horizontal steel truss 501 and the second horizontal steel truss 502 are laid on the steel corbel 3 and fixed with bolts to prevent loosening and sliding, and the column steel truss 6 is fixed on the first horizontal steel truss 501;

[0055] Step 3: Determine the position of the beam 4 and the column cap side template 7 according to the positioning and laying out, and connect the center of the column cap with the center of the column cap side template 7. This connection line is used as the basis for the installation center line of the rail seat 10. The rail seat 10 is fixed on the second horizontal steel truss 502;

[0056] Step 4: Install the slide rail 11, debug whether the lower slide block 1101 moves smoothly along the direction of the rail seat 10, and install the bottom mold of the cylindrical cap;

[0057] Step 5: According to the arc length of the column cap side form obtained by on-site lofting, the first track 703 and the second track 704 are adjusted to adapt to different arc lengths by rotating the gear 702 through the rotating rod 701, and the supporting partition 706, the limit stopper 707, the torsion spring 708, and the supporting shaft 709 at the bottom of the side form 7 are installed, and the inner and outer formworks and the primary and secondary keels are installed, and finally the side form 7 is assembled;

[0058] Step 6: Install the side template 7 on the slide rail 11, adjust and ensure that the upper slider 1102 of the slide rail 11 and the limit stopper 707 of the side template 7 are firmly inserted;

[0059] Step 7: Set several fixing nuts on the inside and outside of the horizontal crossbar of the column steel truss 6, and pass the adjusting rod 8 through the fixing nuts to act on the primary and secondary keels on the outside of the side formwork 7. By rotating the adjusting rod, the position of the side formwork of column caps with different diameters can be adjusted.

[0060] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A basement cylindrical cap formwork reinforcement structure, characterized by: It includes a steel hoop, a horizontal steel truss, a column steel truss, a side template, a rail seat, a slide rail, an adjustment rod, and a bottom template; the steel hoop is formed by connecting two semicircular arc-shaped parts by bolts, and the steel hoop includes two symmetrical steel brackets; the horizontal steel truss includes a first horizontal steel truss and a second horizontal steel truss, the horizontal steel truss is fixed to the upper part of the steel bracket by bolts, and the column steel truss is fixed to the upper part of the horizontal steel truss; the side template includes a rotating rod, a gear, a first track, a second track, a lower steel template, a support partition, a limit stopper, a torsion spring, a support The first track of the side template is connected with the second track through a gear, and the rotating rod makes the first track and the second track move in opposite directions by rotating the gear; the rail seat is fixed to the upper part of the second horizontal steel truss, and the slide rail includes a lower slider and an upper stopper, and the slide rail slides freely along the direction of the rail seat. The side template is located on the rail seat, and the side template is fixed by the upper stopper of the slide rail through a limit stopper, and the adjusting rod adjusts the spacing of the side template along the direction of the rail seat through the first fixing nut and the second fixing nut.

2. According to claim 1, a basement cylindrical cap formwork reinforcement structure is characterized by: The first horizontal steel truss and the second horizontal steel truss are fixed to the steel corbel by bolts; the upper stopper is arc-shaped and consistent with the curvature of the side template; the limit stops are symmetrically arranged on both sides of the upper stopper to be fixed by sockets, and the limit stops are arranged at equal intervals along the arc shape of the upper stopper.

3. According to claim 2, a basement cylindrical cap formwork reinforcement structure is characterized by: It includes a beam, which is located between the side templates; the side templates are fixed on the slide rails, and the limit blocks are acted upon by the upper blocks, so that the limit blocks symmetrical on both sides maintain a vertical opening and closing state; when the side templates are separated from the slide rails, the limit blocks symmetrical on both sides maintain a closed state under the action of the torsion springs.

4. According to claim 2, a basement cylindrical cap formwork reinforcement structure is characterized by: Support partitions are arranged at equal intervals on both sides of the inner side of the lower steel formwork.

5. The basement cylindrical cap formwork reinforcement structure according to claim 2 is characterized in that: The support shaft is externally sleeved with a torsion spring connected to a limit stopper, and the support shaft is fixed between the support partitions.

6. The basement cylindrical cap formwork reinforcement structure according to claim 2 is characterized by: The outer side of the side formwork is provided with a main keel and a secondary keel.

7. The basement cylindrical cap formwork reinforcement structure according to claim 2 is characterized by: The first track and the second track are arranged in three tracks along the height direction of the side mold plate, and are respectively fixed to the inner mold and the outer mold; the first track and the second track can adapt to side molds with different arc lengths through gear rotation.

8. The basement cylindrical cap formwork reinforcement structure according to claim 2 is characterized by: The first fixing nut and the second fixing nut are welded and fixedly connected to the inner and outer cross bars of the column steel truss.

9. A construction method for a basement cylindrical cap formwork reinforcement structure, comprising a basement cylindrical cap formwork reinforcement structure as claimed in any one of claims 1 to 8, characterized in that: The steps include: Step 1: Make a steel hoop based on the cast column. The steel hoop is equipped with symmetrical steel brackets. The installation elevation of the steel hoop is determined according to the elevation of the bottom of the column cap, the second horizontal steel truss, and the height of the rail seat; Step 2: The steel hoop is fastened with bolts, the first horizontal steel truss and the second horizontal steel truss are laid on the steel corbel, and fixed with bolts to prevent loosening and sliding, and the column steel truss is fixed on the first horizontal steel truss; Step 3: Determine the position of the beam and column cap side templates according to the positioning and setting out, and connect the center of the column cap with the center of the column cap side template. This line is used as the basis for the installation center line of the rail seat. The rail seat is fixed on the second horizontal steel truss; Step 4: Install the slide rail, debug whether the lower slide block moves smoothly along the direction of the rail seat, and install the bottom mold of the cylindrical cap; Step 5: According to the arc length of the column cap side form obtained by on-site lofting, adjust the first track and the second track to adapt to different arc lengths by rotating the gear through the rotating rod, install the supporting partition, limit block, torsion spring, and supporting shaft at the bottom of the side formwork, install the inner and outer formworks and the main and secondary keels, and finally assemble the side formwork; Step 6: Install the side template on the slide rail, adjust and ensure that the upper slider of the slide rail and the limit stopper of the side template are firmly inserted; Step 7: Set several fixing nuts on the inside and outside of the horizontal crossbar of the column steel truss, and use the adjusting rod through the fixing nuts to act on the primary and secondary keels on the outside of the side formwork. By turning the adjusting rod, the position of the side formwork of column caps with different diameters can be adjusted.

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