Basement cylindrical cap formwork reinforcement structure and construction method thereof

Abstract

The present invention discloses a basement cylindrical cap formwork reinforcement structure and a construction method thereof, belonging to the field of formwork reinforcement, comprising a steel hoop, a horizontal steel truss, a column steel truss, a side formwork, an adjusting rod, a bottom formwork, a rail seat, and a slide rail; the steel hoop is connected by two semicircular arcs through bolts, and the steel hoop is provided with two symmetrical steel corbels, the horizontal steel truss comprises 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, and the column steel truss is fixed to the upper part of the horizontal steel truss. The present invention is applicable to the reinforcement of cylindrical cap arc formwork of different diameters, the reinforcement structure is rationally stressed, and the construction is simple, thereby improving the installation efficiency and construction quality of the basement cylindrical cap formwork, greatly reducing the manual workload, and solving the problems of deformation, bulging, and slurry leakage of the basement cylindrical cap arc formwork.

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 intersect. Because the column caps are circular and the periphery is affected by the division of beams, the arc-shaped template reinforcement on the side of the column cap cannot be continuously reinforced.

[0003] At present, the reinforcement of basement cylindrical cap formwork often adopts the method of setting up steel pipe scaffolding as a support 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 cylindrical cap. The construction of cylindrical cap formwork of different diameters requires re-mold, 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. 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, the steel hoop is provided with 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, 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 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 by 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. The side formwork is located above the rail seat, and the side formwork is fixed to the upper stop block of the slide rail by the limit stop block. 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 and 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 templates are fixed on the slide rails, and the limit blocks are acted upon by the upper blocks, 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 every 200 mm on both sides of the inner side of the lower steel formwork;

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

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

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

[0016] Preferably, the first track and the second track can adapt to side molds of 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 present 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 hoops 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 layout, 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 rail seat direction, and install the cylindrical cap bottom mold.

[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 formwork 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 block 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 formwork with different diameters. The reinforcement structure has reasonable force and simple construction, which improves the installation efficiency and construction quality of the basement cylindrical cap formwork, greatly reduces the manual workload, and solves the problems of deformation, expansion, and leakage of the basement cylindrical cap arc formwork. 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 following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without 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, and slide rail installation diagram

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

[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 block of the side template

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

[0038] Figure 10 : Exploded view of limit stop

[0039] Figure 11 :Adjustment lever working diagram

[0040] Figure 12 :Details of the adjustment lever

[0041] In the figure: 1. Column, 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. Turnbar, 702. Gear, 703. First track, 704. Second track, 705. Lower steel formwork, 706. Support partition, 707. Limit block, 708. Torsion spring, 709. Support shaft, 8. Adjustment 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 solutions 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 intended to limit the present invention.

[0043] The application principle of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0044] like Figure 1-12As shown: a basement cylindrical cap template reinforcement structure, including steel hoop 2, horizontal steel truss 5, side template 7, adjustment rod 8, bottom template 9, rail seat 10, slide rail 11; the steel hoop 2 is connected by two semicircular arc 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 to the column steel truss 6, the side template 7 includes a rotating rod 701, a gear 702, a first rail 703, a second rail 704, a lower steel template 705, a support partition 706, a limit block 707, a torsion spring 708, a support The rotating shaft 709, the first track 703 and the second track 704 of the side formwork 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. The side formwork 7 is located above the rail seat 10, and the side formwork 7 is fixed by the upper stopper 1102 of the sliding rail 11 through the limit stopper 707. The adjusting rod 8 adjusts the spacing of the side formwork 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 formwork 7; the upper stopper 1102 is arc-shaped, consistent with the curvature of the side formwork 7; the limit stops 707 are symmetrically arranged on both sides of the upper stopper 1102 to be fixed with sockets, and the limit stops 707 are arranged along the arc of the upper stopper 1102 at intervals of 200 mm;

[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 block 707 is acted upon by the torsion spring 708, so that the limit blocks 707 symmetrical on both sides maintain a closed state.

[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 is connected to the limit stopper 707 . 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 along the height direction of the side mold 7, and are fixed to the inner mold and the outer mold respectively; the first track 703 and the second track 704 are rotated by the gear 702 to adapt to the side molds of different arc lengths;

[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 according to this embodiment includes the following steps:

[0053] Step 1: Make a steel hoop 2 based on the cast cylinder 1. A symmetrical steel corbel 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. The column steel truss 6 is fixed to the first horizontal steel truss 501;

[0055] Step 3: Determine the position of the beam 4 and the column cap side formwork 7 according to the positioning and setting out. Connect the center of the column cap with the center of the column cap side formwork 7. This line serves as the installation centerline of the rail seat 10. The rail seat 10 is fixed to the second horizontal steel truss 502.

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

[0057] Step 5: According to the arc length of the column cap side formwork obtained by on-site setting out, 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. The support partition 706, the limit block 707, the torsion spring 708, and the support shaft 709 at the bottom of the side formwork 7 are installed. The inner and outer formworks and the primary and secondary keels are installed. Finally, the side formwork 7 is assembled.

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

[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 invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

[0061] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods 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 formwork, a rail seat, a slide rail, an adjustment rod, and a bottom formwork; 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 formwork includes a rotating rod, a gear, a first rail, a second rail, a lower steel formwork, a support partition, a limit block, a torsion spring, a support The rotating shaft, the first track and the second track of the side template are connected by gears, 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 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 to the upper stopper of the slide rail by a limit stopper. 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. The basement cylindrical cap formwork reinforcement structure according to claim 1, characterized in that: 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. The basement cylindrical cap formwork reinforcement structure according to claim 2, characterized in that: 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. The basement cylindrical cap formwork reinforcement structure according to claim 2, characterized in that: Support partitions are provided 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, characterized in that: A torsion spring is sleeved on the outside of the support shaft and is connected to a limit block, and the support shaft is fixed between the support partitions.

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

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

8. The basement cylindrical cap formwork reinforcement structure according to claim 2, characterized in that: 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 according to 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 hoops are fastened with bolts, and the first and second horizontal steel trusses are laid on the steel corbels and fixed with bolts to prevent loosening and sliding. The column steel trusses are fixed to the first horizontal steel trusses. Step 3: Determine the position of the beam and column cap side formwork according to the positioning line, 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. Step 4: Install the slide rail, debug whether the lower slider moves smoothly along the rail seat, and install the cylindrical cap bottom mold; Step 5: According to the arc length of the column cap side formwork obtained by on-site lofting, adjust the first track and the second track to adapt to different arc lengths by rotating the gears through the rotating rod, install the supporting partitions, limit blocks, torsion springs, and supporting shafts at the bottom of the side formwork, install the inner and outer formwork and the primary 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 stopper 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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