CN215926711U - Steel formwork supporting stress conversion structure of special-shaped cast-in-place concrete structure - Google Patents
Steel formwork supporting stress conversion structure of special-shaped cast-in-place concrete structure Download PDFInfo
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- CN215926711U CN215926711U CN202122081322.1U CN202122081322U CN215926711U CN 215926711 U CN215926711 U CN 215926711U CN 202122081322 U CN202122081322 U CN 202122081322U CN 215926711 U CN215926711 U CN 215926711U
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Abstract
本实用新型涉及异型现浇混凝土结构的钢模板支撑受力转换结构，包括异形模板，还包括顶架、顶托和脚手架，沿所述异形模板侧壁布设有多层所述顶架，多层所述顶架呈台阶状逐层布设；每层顶架的斜面与异形模板焊接固定，每层所述顶架下方直角面设置有呈一字形布设的多个所述顶托，顶托竖向布设；多个顶托的底盘之间布设有工字钢，工字钢抵在顶架下方直角面上；若干所述顶托之间设置有脚手架，所述脚手架呈台阶状逐层搭设，脚手架搭设高度沿顶架高度逐层递增。本实用新型通过调整竖向立框的搭设高度来调整脚手架的高度，来适应支撑不同高度的异形模板，整体承载力强，稳定性高，有效提高了混凝土外观成形质量与施工安全。
The utility model relates to a steel formwork support force conversion structure of a special-shaped cast-in-place concrete structure, which comprises a special-shaped formwork, and also includes a top frame, a top support and a scaffold. The top frames are laid out layer by layer in a step-like manner; the inclined surfaces of the top frames on each layer are welded and fixed to the special-shaped template, and a plurality of the top supports arranged in a straight line are arranged on the right-angle surface under the top frames of each layer, and the top supports are vertically arranged. Arrangement; I-beams are arranged between the chassis of a plurality of top supports, and the I-beams are pressed against the right-angle surface below the top frame; a scaffold is arranged between a plurality of the top supports, and the scaffolds are erected layer by layer in a step-like manner. The erection height increases layer by layer along the height of the top shelf. The utility model adjusts the height of the scaffold by adjusting the erection height of the vertical frame to adapt to support the special-shaped formwork of different heights, has strong overall bearing capacity and high stability, and effectively improves the concrete appearance forming quality and construction safety.
Description
Technical Field
The utility model relates to the technical field of installation of special-shaped formworks, in particular to a steel formwork supporting stress conversion structure of a special-shaped cast-in-place concrete structure.
Background
Modern building modeling tends to be attractive and complex, more and more special-shaped buildings are designed, so that large special-shaped cast-in-place concrete structural members often appear, the construction difficulty is high, and the requirement on the appearance forming quality of the concrete structural members is generally high in the design.
In the construction of traditional heterotypic cast-in-place concrete structure, slope one side template adopts the steel pipe directly to push up in the template side usually, and there is certain degree of difficulty in the form setting, moreover because the arc part in the special-shaped structure template is more, and the steel pipe needs to bear the diagonal force, supports the degree of difficulty great and unstable, has quality potential safety hazards such as template deformation. Therefore, a steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure is provided.
Disclosure of Invention
The utility model aims to solve the problem of unstable support of the special-shaped formwork, provides a steel formwork support stress conversion structure of a special-shaped cast-in-place concrete structure, and realizes effective support of the special-shaped formwork by optimizing a support structure.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure comprises a special-shaped formwork with a cross section in a horizontal and vertical shape, and further comprises a top frame, a top support and a scaffold, wherein multiple layers of the top frame are arranged along the side wall of the special-shaped formwork, each layer of the top frame is a steel structure frame structure with a right-angled triangle-shaped cross section, and the multiple layers of the top frames are arranged step-like layer by layer;
the inclined plane of each layer of top frame is welded and fixed with the special-shaped template, a plurality of top supports which are arranged in a straight line are arranged on the right-angle plane below each layer of top frame, the top supports are vertically arranged, and each top support comprises a lead screw, a chassis fixedly arranged at the top end of the lead screw and an adjusting nut sleeved on the lead screw;
i-shaped steel is arranged among the base plates of the top supports and along the length direction of the top frame, and the I-shaped steel abuts against a right-angle surface below the top frame;
a plurality of be provided with the scaffold between the top is held in the palm, the scaffold is step-like successive layer and sets up, and the scaffold sets up the height and increases progressively along the high successive layer of roof-rack, and the scaffold includes a plurality of vertical grudging posts and can dismantle the horizontal vaulting pole one of connection between vertical grudging posts.
Furthermore, the arrangement heights of the multiple layers of top frames are increased layer by layer from left to right to form a step shape, and the right-angle surfaces below the multiple layers of top frames are distributed in parallel up and down.
Furthermore, the vertical upright frames are arranged among a plurality of jacking supports which are arranged in a straight line below each layer of top frame, the horizontal support rods I are detachably connected among the vertical upright frames below each layer of top frame for connection, and the vertical upright frames and the horizontal support rods I are connected and combined to form the scaffold.
Furthermore, the vertical upright frame comprises a plurality of hollow upright rods and a second horizontal support rod for connecting two adjacent hollow upright rods, the hollow upright rods correspond to the jacking supports one by one, the adjusting nuts are tightly propped against the upper planes of the hollow upright rods, and the screw rod extends into the hollow upright rods;
the two sides of each hollow vertical rod are symmetrically provided with a first short rod, a second horizontal supporting rod is inserted between the first short rods of the two adjacent hollow vertical rods, each second horizontal supporting rod comprises a rod part and sleeve parts arranged at two ends of the rod part, the sleeve parts are clamped on the hollow vertical rods, and the first short rods extend into the rod parts and are in pin connection with the rod parts.
Furthermore, short rods II are symmetrically arranged on two sides of the hollow vertical rod, the short rods II and the short rods I are arranged in a vertically staggered mode, and the short rods II and the short rods I are vertically distributed; the first horizontal support rod is inserted between the second short rods corresponding to the two adjacent vertical frames, and the first horizontal support rod and the second horizontal support rod are identical in structure.
Furthermore, the vertical frames are sequentially stacked from left to right to form a multilayer vertical frame, an upper layer of vertical frame and a lower layer of vertical frame are spliced, and a connecting pipe is arranged between two horizontal support rods of the multilayer vertical frame;
the lower plane of the hollow upright rod is provided with a cylindrical positioning column, the upper plane of the hollow upright rod is provided with a positioning hole, and the positioning columns and the positioning holes of the upper and lower layers of vertical upright frames are matched for insertion.
Furthermore, an inserting column is arranged below the adjusting nut and is matched and inserted with a positioning hole of the top-layer vertical upright frame.
Through the technical scheme, the utility model has the beneficial effects that:
the utility model has reasonable structural design, a plurality of layers of top frames are arranged below the special-shaped template, the lower plane of each top frame is a horizontal plane, and further, the corresponding supporting structures can be vertically arranged, thereby changing the stress direction of the supporting structures. The scaffold adopts a plurality of hollow upright posts, a first horizontal support rod and a second horizontal support rod to be assembled, so that the scaffold is convenient to assemble, and the connection stability of the scaffold can be improved.
The utility model can stably support the special-shaped formwork, adjusts the height of the scaffold by adjusting the erecting height of the vertical upright frame according to different special-shaped formworks, is suitable for supporting the top frames with different heights, and has strong integral bearing capacity and high stability, thereby improving the stability and the accuracy of the installation of the special-shaped formwork, and effectively improving the appearance forming quality and the construction safety of concrete.
Drawings
Fig. 1 is a schematic view of the overall structure of a steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure.
Fig. 2 is a schematic diagram of the construction of a multi-layer vertical upright frame of a steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure.
Fig. 3 is a schematic top supporting view of a steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure.
Fig. 4 is an enlarged schematic view of a steel formwork supporting force conversion structure of the special-shaped cast-in-place concrete structure at the position a in fig. 1.
Fig. 5 is a schematic view of the installation of the top support and the hollow upright rod in fig. 4 of the steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure of the utility model.
Fig. 6 is an installation schematic diagram of a steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure of the utility model, and a hollow upright post and a horizontal stay bar in fig. 4.
Fig. 7 is a disassembled schematic view of the steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure of the utility model shown in fig. 4, wherein the hollow upright post and the horizontal stay bar are separated from each other.
The reference numbers in the drawings are as follows: the special-shaped template comprises a special-shaped template 1, a top frame 2, a top support 3, a lead screw 31, a base plate 32, an adjusting nut 33, I-shaped steel 4, a hollow vertical rod 51, a horizontal support rod II 52, a rod part 521, a sleeve part 522, a horizontal support rod I6, a short rod I7, a short rod II 8, a connecting pipe 9, a positioning column 10, an inserting column 11 and a positioning hole 12.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings in which:
as shown in fig. 1-7, the steel formwork supporting force conversion structure of the deformed cast-in-place concrete structure comprises a deformed formwork 1 with a cross section in a horizontal and vertical direction, wherein the deformed formwork 1 is bent upwards in a circular arc shape, and further comprises a top frame 2, a top support 3 and a scaffold.
The multi-layer top frame 2 is arranged along the side wall of the special-shaped template 1, each layer of top frame 2 is of a steel structure frame structure with a right-angled triangle-shaped section, and the multi-layer top frames 2 are arranged upwards step-like layer by layer. Specifically, the arrangement heights of the multiple layers of top frames 2 are increased layer by layer from left to right to form a step shape, and the multiple layers of top frames 2 are distributed in parallel from top to bottom between the right-angle surfaces below the top frames.
When the top frame 2 and the special-shaped template 1 are installed, the inclined plane of each layer of top frame 2 is welded and fixed with the special-shaped template 1, a plurality of the top supports 3 which are arranged in a straight line are arranged on the right-angle surface below the top frame 2 of each layer, and the top supports 3 are vertically arranged and are perpendicular to the lower plane of the top frame 2.
In this embodiment, the jacking 3 includes a screw 31, a chassis 32 fixedly disposed on the top end of the screw 31, and an adjusting nut 33 sleeved on the screw 31. The cross section of the base plate 32 is U-shaped, a plurality of rib plates are arranged between the base plate 32 and the screw rod 31 in the annular direction, and the connecting strength of the base plate 32 and the screw rod 31 can be improved through the rib plates.
The adjusting nut 33 is cylindrical, the adjusting nut 33 includes a nut portion, a support plate portion disposed below the nut portion, and a plurality of rib plate portions circumferentially disposed between the nut portion and the support plate portion, and the rib plate portions serve to increase the connection strength between the nut portion and the support plate portion.
I-steel 4 is arranged among the chassis 32 of the plurality of top supports 3, the I-steel 4 is arranged along the length direction of the top frame 2, the I-steel 4 is abutted to a right-angle surface below the top frame 2, the plurality of top supports 3 arranged in a straight line shape jointly bear the I-steel 4, and the top frame 2 is supported through the I-steel 4.
In order to support high-rise roof-rack 2 for the convenience, a plurality of be provided with the scaffold between the top holds in the palm 3, the scaffold is step-like successive layer and sets up, and the scaffold sets up highly along 2 high successive layers of roof-rack and increases progressively, and the scaffold includes a plurality of vertical grudging posts and can dismantle the horizontal vaulting pole 6 of connection between vertical grudging posts.
In this embodiment, the vertical upright frames are arranged among the plurality of jacking brackets 3 arranged in a line below each layer of the jacking frame 2, namely, the upper parts of the jacking brackets 3 correspond to the i-beams 4, and the lower parts of the jacking brackets correspond to the vertical upright frames. The vertical frames below each layer of the top frame 2 are detachably connected with the horizontal support rods 6 for connection, and the vertical frames and the horizontal support rods 6 are connected and combined to form the scaffold.
Specifically, the vertical upright frame comprises a plurality of hollow upright rods 51 and a second horizontal support rod 52 which is connected with two adjacent hollow upright rods 51, the hollow upright rods 51 correspond to the top supports 3 one by one, and the top supports 3 are supported by the hollow upright rods 51. The adjusting nut 33 tightly supports the upper plane of the hollow upright rod 51, the supporting plate part is attached to the upper plane of the hollow upright rod 51, and the screw rod 31 extends into the hollow upright rod 51.
In order to facilitate the installation of the hollow upright rods 51 and the horizontal stay rods 52, short rods I7 are symmetrically arranged on two sides of each hollow upright rod 51, the horizontal stay rods 52 are inserted between the short rods I7 of every two adjacent hollow upright rods 51, each horizontal stay rod II 52 comprises a rod part 521 and sleeve parts 522 arranged at two ends of the rod part 521, each rod part 521 is in a hollow round tube shape, each sleeve part 522 is clamped on the side wall of each hollow upright rod 51, each sleeve part 522 is arranged around the periphery of each hollow upright rod 51 in a U shape, and each short rod I7 extends into the rod part 521 and is in pin connection with the rod part 521.
Two adjacent hollow upright rods 51 in the vertical upright frame can be detachably connected through the second horizontal supporting rod 52, so that the vertical upright frame can be conveniently detached and installed, the vertical upright frame is supported on the ground, and the top support 3 is connected to the upper part of the vertical upright frame and is used for supporting the top support 3.
In order to facilitate the installation of the vertical upright frame and the horizontal stay bar I6, short bars II 8 are symmetrically arranged on two sides of the hollow upright rod 51, the short bars II 8 and the short bars I7 are arranged in a vertically staggered mode, and the short bars II 8 and the short bars I7 are vertically distributed. The first horizontal stay bar 6 is inserted between the second short bars 8 corresponding to the two adjacent vertical frames, and the first horizontal stay bar 6 and the second horizontal stay bar 52 have the same structure and the same installation mode.
Every 2 below equipartitions in layer roof-rack are equipped with vertical stiles, can dismantle the connection through horizontal vaulting pole 6 between the vertical stile of every 2 below in layer roof-rack, and then constitute the scaffold frame, can be convenient for the installation of scaffold frame is dismantled.
Along with the increase of the height of laying of the top frame 2, the height of erecting the scaffold is correspondingly increased, and for the convenience of erecting the scaffold, the vertical frames are sequentially stacked and laid from left to right to form a multilayer vertical frame. The height of the scaffold can be improved by adopting the vertical upright frames to be vertically stacked. According to the height of the special-shaped template 1, the number of the vertical upright frames erected up and down can be properly adjusted, and then the height of the scaffold is changed, so that the top support 3 can be supported, and the special-shaped template 1 can be stabilized.
In order to ensure the stability of the installation of the upper and lower vertical frames, the upper and lower vertical frames are inserted. Specifically, cylindric reference column 10 has been laid to hollow pole setting 51 lower plane, and locating hole 12 has been seted up to hollow pole setting 51 upper plane, and the reference column 10 and the locating hole 12 cooperation of upper and lower two-layer vertical stile are in order to peg graft, and then realize the location of upper and lower two-layer vertical stile, avoid taking place the skew.
In order to further guarantee the stability of two-layer vertical upright frame installation about the assurance, be provided with connecting pipe 9 between the two 52 horizontal stay bars of the vertical upright frame of multilayer, connecting pipe 9 is steel tubular structure, and connecting pipe 9 is connected with two 52 horizontal stay bars through the building fastener, and then guarantees the firm of the vertical upright frame installation of multilayer.
In order to improve the stability of the installation of the top support 3 and the hollow upright rod 51, the inserting column 11 is arranged below the adjusting nut 33, the inserting column 11 is positioned on the supporting plate part, the inserting column 11 is matched and inserted with the positioning hole 12 of the top-layer vertical upright frame, and the deviation of the top support 3 can be avoided.
When the steel formwork support stress conversion structure is constructed, firstly, manufacturing a special-shaped formwork 1 according to design modeling; then, calculating the stress, calculating according to the weight of the cast-in-place concrete structure, analyzing the stress of the scaffold, and designing the step pitch, the transverse pitch, the longitudinal pitch and the like of the scaffold; then processing the top frame 2, designing the top frame 2 convenient to support according to the horizontal and longitudinal distances of the scaffold, and welding the bevel edge of the top frame 2 on the special-shaped template 1; and finally, the special-shaped template 1 is hung to the mounting position, the top frame 2 is supported by the scaffold and the jacking 3 in a matching manner with the I-steel 4, the mounting accuracy of the special-shaped template 1 is controlled by adjusting the position of the jacking 3, and the die assembly is carried out.
The scaffold is erected by adopting a modular structure, the splicing height of the vertical upright frames can be adjusted according to the height of the special-shaped formwork 1, the adjustment of the height of the scaffold is further realized, the application range is wide, the horizontal support rods I6 and the horizontal support rods II 52 which have the same structure are arranged among the hollow upright rods 51, the installation structure is stable, the installation and the disassembly are convenient, meanwhile, the strength of the scaffold is effectively improved, the special-shaped formwork 1 is well supported, and the popularization and the application are convenient.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (7)
1. The steel formwork supporting stress conversion structure of the special-shaped cast-in-place concrete structure comprises a special-shaped formwork (1) with a cross section in a horizontal and vertical shape, and is characterized by further comprising a top frame (2), a top support (3) and a scaffold, wherein multiple layers of the top frame (2) are distributed along the side wall of the special-shaped formwork (1), each layer of the top frame (2) is a steel structure frame structure with a right-angled triangle-shaped cross section, and the multiple layers of the top frames (2) are distributed layer by layer in a step shape;
the inclined plane of each layer of top frame (2) is welded and fixed with the special-shaped template (1), a plurality of top supports (3) which are arranged in a straight line are arranged on the right-angle surface below each layer of top frame (2), the top supports (3) are vertically arranged, each top support (3) comprises a lead screw (31), a chassis (32) fixedly arranged at the top end of the lead screw (31) and an adjusting nut (33) sleeved on the lead screw (31);
i-shaped steel (4) is arranged among the chassis (32) of the plurality of top supports (3), the I-shaped steel (4) is arranged along the length direction of the top frame (2), and the I-shaped steel (4) abuts against a right-angle surface below the top frame (2);
a plurality of be provided with the scaffold between top support (3), the scaffold is step-like successive layer and sets up, and the scaffold sets up highly along the high successive layer of roof-rack (2) and increases progressively, and the scaffold includes a plurality of vertical grudging posts and can dismantle horizontal vaulting pole (6) of connection between vertical grudging posts.
2. The steel form support stress conversion structure of the profiled cast-in-place concrete structure as claimed in claim 1, wherein the arrangement height of the multiple layers of the top frame (2) increases layer by layer from left to right to form a step shape, and the right-angle surfaces below the multiple layers of the top frame (2) are distributed in parallel up and down.
3. The steel formwork supporting and stress converting structure of the profiled cast-in-place concrete structure according to claim 1, wherein the vertical upright frames are arranged among a plurality of jacking brackets (3) which are arranged in a straight line below each layer of the top frame (2), the horizontal stay bar I (6) is detachably connected among the vertical upright frames below each layer of the top frame (2) for connection, and the vertical upright frames and the horizontal stay bar I (6) are connected and combined to form the scaffold.
4. The steel formwork supporting and stress converting structure of the profiled cast-in-place concrete structure as claimed in claim 3, wherein the vertical upright frame comprises a plurality of hollow uprights (51) and a second horizontal brace (52) connecting two adjacent hollow uprights (51), the hollow uprights (51) correspond to the jacking brackets (3) one by one, the adjusting nuts (33) tightly abut against the upper planes of the hollow uprights (51), and the screw rods (31) extend into the hollow uprights (51);
the two sides of each hollow vertical rod (51) are symmetrically provided with a first short rod (7), the first short rods (7) of two adjacent hollow vertical rods (51) are connected with a second horizontal supporting rod (52) in an inserting mode, each second horizontal supporting rod (52) comprises a rod portion (521) and sleeve portions (522) arranged at two ends of the rod portion (521), the sleeve portions (522) are clamped on the hollow vertical rods (51), and the first short rods (7) stretch into the rod portions (521) and are in pin connection with the rod portions (521).
5. The steel formwork supporting and stress converting structure of the profiled cast-in-place concrete structure according to claim 4, wherein the two sides of the hollow upright rod (51) are symmetrically provided with a second short rod (8), the second short rod (8) and the first short rod (7) are arranged in a vertically staggered manner, and the second short rod (8) and the first short rod (7) are vertically distributed;
the first horizontal support rod (6) is inserted between the second short rods (8) corresponding to the two adjacent vertical frames, and the first horizontal support rod (6) and the second horizontal support rod (52) are identical in structure.
6. The steel formwork supporting and stress converting structure of the special-shaped cast-in-place concrete structure according to claim 4, wherein the vertical frames are sequentially stacked from left to right to form a multilayer vertical frame, the upper vertical frame and the lower vertical frame are spliced, and a connecting pipe (9) is arranged between the second horizontal support rods (52) of the multilayer vertical frame;
the lower plane of the hollow upright rod (51) is provided with a cylindrical positioning column (10), the upper plane of the hollow upright rod (51) is provided with a positioning hole (12), and the positioning columns (10) and the positioning holes (12) of the upper and lower layers of vertical upright frames are matched for splicing.
7. The steel formwork supporting and stress converting structure of the profiled cast-in-place concrete structure as claimed in claim 6, wherein the inserting column (11) is arranged below the adjusting nut (33), and the inserting column (11) is inserted into the positioning hole (12) of the top vertical upright frame in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122081322.1U CN215926711U (en) | 2021-08-31 | 2021-08-31 | Steel formwork supporting stress conversion structure of special-shaped cast-in-place concrete structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122081322.1U CN215926711U (en) | 2021-08-31 | 2021-08-31 | Steel formwork supporting stress conversion structure of special-shaped cast-in-place concrete structure |
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| CN215926711U true CN215926711U (en) | 2022-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071881A (en) * | 2023-08-01 | 2023-11-17 | 中建八局第一建设有限公司 | A new type of structural support frame system |
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2021
- 2021-08-31 CN CN202122081322.1U patent/CN215926711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071881A (en) * | 2023-08-01 | 2023-11-17 | 中建八局第一建设有限公司 | A new type of structural support frame system |
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Granted publication date: 20220301 |