CN217537864U - Large-span board of encorbelmenting faces limit formwork device - Google Patents
Large-span board of encorbelmenting faces limit formwork device Download PDFInfo
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- CN217537864U CN217537864U CN202220971814.XU CN202220971814U CN217537864U CN 217537864 U CN217537864 U CN 217537864U CN 202220971814 U CN202220971814 U CN 202220971814U CN 217537864 U CN217537864 U CN 217537864U
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Abstract
The utility model relates to the technical field of large-span cantilever slab construction, aiming at solving the problems of large disassembly and assembly workload, small laying interval, difficult passage, high risk of edge-facing operation and poor control of the concrete forming quality of a cantilever part in the mode of supporting the cantilever slab by adopting a full scaffold, and providing a large-span cantilever slab edge-facing formwork device which comprises a stand column bracket arranged on a lower-layer structural floor slab, wherein the bottom of the stand column bracket is connected to the position of the lower-layer structural floor slab corresponding to a lower-layer structural beam; the top of the upright post bracket is connected with a horizontal cross rod bracket, the horizontal cross rod bracket is abutted against a template of the upper-layer structural beam, and an inclined strut is connected between the horizontal cross rod bracket and the upright post bracket; be equipped with the board at the bottom of the inferior stupefied between the template of horizontal pole support and superstructure floor, the stupefied bottom in horizontal pole support's top surface is connected at the bottom of the board, and the stupefied top butt in the template bottom surface of superstructure floor is once at the bottom of the board.
Description
Technical Field
The utility model relates to a large-span board construction technical field that encorbelments particularly, relates to a large-span board that encorbelments faces limit formwork device.
Background
In recent years, due to the progress of construction technology and material strength, large-span cantilever structures have become one of the common forms in buildings through continuous discovery and exploration. Since the large span cantilever structure has its own advantages. First, the extension can be performed to the outside in space; secondly, the steel structure and the concrete are used as main materials of the cantilever structure, and the materials are easy to obtain; the third, the spatial arrangement of the structure of encorbelmenting is nimble, can be multi-purpose, and many gymnasiums and big theatre all are similar large-span structure of encorbelmenting at present stage, and the lower part space of encorbelmenting of some shopping malls can be planned for the parking area even, greenbelt and outdoor recreation place.
In the construction at present, the existing cantilever plate supporting mode mostly adopts a mode that scaffolds are distributed below the cantilever plate for supporting, and the supporting frame is large in assembling and disassembling workload; the arrangement space is dense, and the traffic is difficult; the risk of supporting the high formwork scaffold of the cantilever plate on the high-rise adjacent side is high; the concrete forming quality of the overhanging part is not controlled in place.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-span board of encorbelmenting faces limit formwork device to there is the dismouting work load in the mode of adopting full hall scaffold frame to support the board of encorbelmenting among the solution prior art big, lay the little current difficulty of interval, face the problem that the concrete shaping quality control at limit operation risk height and the position of encorbelmenting does not target in place.
The utility model discloses an adopt following technical scheme to realize:
a large-span cantilever slab limb formwork device comprises an upright post bracket arranged on a lower-layer structural floor slab, wherein a lower-layer structural beam is connected below the lower-layer structural floor slab, and the bottom of the upright post bracket is connected to a position, corresponding to the lower-layer structural beam, on the lower-layer structural floor slab;
the upright post bracket is used for supporting a template of an upper-layer structural floor slab and a template of an upper-layer structural beam connected below the upper-layer structural floor slab;
a horizontal cross rod support is connected to the top of the upright post support, the horizontal cross rod support is abutted to the template of the upper-layer structural beam, and an inclined strut is connected between the horizontal cross rod support and the upright post support;
horizontal pole support with be equipped with the board at the bottom of the board between the template of superstructure floor stupefied, the stupefied bottom at the bottom of the board connect in horizontal pole support's top surface, the stupefied top butt at the bottom of the board in the template bottom surface of superstructure floor.
Wherein the large span is 20-50 m in span.
The part between the lower-layer structure floor slab arrangement structure Liang Zhichu and the edge of the lower-layer structure floor slab is an overhanging part of the lower-layer structure floor slab. Similarly, for the upper structural floor, the part between the upper structural floor arrangement structure Liang Zhichu and the edge of the upper structural floor is an overhanging part of the lower structural floor, and the length of the overhanging part is 1-5 m. The utility model discloses a concrete structure, including upper structure floor, column support, horizontal rod support, template, upper structure floor, the template of upper structure floor, then at the inside ligature reinforcing bar of template, once pour the concrete of upper structure floor and structure roof beam, the column support horizontal rod support with the stupefied bearing structure that forms jointly of board end time can be right the portion of encorbelmenting of upper structure floor supports, supports through above-mentioned bearing structure the template of upper structure floor and the template of upper structure roof beam, then at the inside ligature reinforcing bar of template, once pour the concrete of upper structure floor and structure roof beam.
The upper structure floor and the lower structure floor are floor structures formed after concrete is poured, the template of the upper structure floor is a template arranged before the concrete of the upper structure floor is poured, the upper structure floor is formed after the concrete is poured in the template, and similarly, the template of the upper structure beam is a template arranged before the concrete of the upper structure beam is poured, and the upper structure beam is formed after the concrete is poured in the template. The utility model discloses in, the template of superstructure floor reaches the template of superstructure roof beam is laid together, then pours together superstructure floor and superstructure roof beam.
The utility model discloses a substructure floor with the part correspondence is connected to the structure roof beam sets up the column holder, make the column holder retreats and sets up on the roof beam, but not set up on the portion of encorbelmenting of substructure floor, avoided using full hall support to place the pole setting on the board of encorbelmenting, alleviateed building ground board structure atress of encorbelmenting, avoided the construction risk, improved and faced the safe space distance of limit operation, adopt the mode of column holder, construction work space (horizontal vertical) distance has been increased, make things convenient for material business turn over transportation, the work load of full hall formwork dismouting has been reduced, increased and faced limit operation space, reduced and faced limit high altitude construction risk, improved and faced limit concrete shaping quality of encorbelmenting.
As a preferable technical scheme:
the board is stupefied for the I-shaped at the bottom of the board, stupefied including last flange board, lower flange board and being located the web between the two at the bottom of the board, last flange board butt in the bottom surface of the template of superstructure floor, lower flange board pass through bolted connection in on the horizontal cross rod support.
The secondary edge at the bottom of the plate is I-shaped, so that the structure is simple, the occupied space is small, and the supporting strength is high.
As a preferable technical scheme:
the stand support includes two at least stand sections, and is adjacent slip cup joint between the stand section, be equipped with the regulation hole on the stand section, install the bolt in the regulation hole.
Through cup jointing two stand sections with sliding, can realize the flexible of two stand sections to change the height of stand support for the different floor height of adaptation adjusts to suitable high back, aligns the regulation hole on the stand section, then at downthehole construction bolt, fixes two adjacent stand sections.
As a preferred technical scheme:
the bottom of the upright post bracket is connected with a base plate, and the base plate is connected with the lower-layer structural floor through bolts.
The contact area between the upright post bracket and the lower-layer structure floor is increased through the base plate, so that the upright post bracket and the lower-layer structure floor are connected more stably.
As a preferable technical scheme:
the upright post bracket is of a steel structure and has high supporting strength.
As a preferred technical scheme:
and a plurality of plate bottom secondary ridges are arranged between the horizontal cross rod support and the template of the upper-layer structure floor slab, and at least one plate bottom secondary ridge is supported at the edge position of the template of the upper-layer structure floor slab.
Because the below of superstructure floor is equipped with superstructure roof beam, need set up when consequently setting up the template superstructure floor with the template of superstructure roof beam, and because the two is not at same height, consequently need right superstructure floor template with superstructure roof beam template supports respectively, utilizes promptly horizontal pole support is direct right superstructure roof beam template supports, through horizontal pole support top sets up the board end stupefied and supports the template of superstructure roof beam.
It is a plurality of to set up through the interval inferior stupefied support at the bottom of the board, and set up one at least inferior stupefied support at the bottom of the board is in the edge of superstructure floor for control faces the limit and encorbelments concrete shaping quality.
As a preferred technical scheme:
one end of the horizontal cross rod support and the lower-layer structure floor slab are connected with tension and compression stand columns, and the tension and compression stand columns are far away from the edge of the lower-layer structure floor slab.
I.e. the stud brackets are located closer to the edge of the underlying structural floor.
The tensile compression upright post is connected with the horizontal cross rod support and the lower-layer structure floor slab, so that the stress on the end part of the horizontal cross rod support can be reduced, and the stress on the lower-layer structure beam can be reduced.
As a preferred technical scheme:
the height of the tension and compression stand column can also be adjusted, and the structural form of the tension and compression stand column can refer to the structural form of the stand column bracket. A plurality of upright post sections can be arranged, then two adjacent upright post sections are sleeved and fixed through bolts, and the height of the tension and compression resistant upright post can be adjusted.
As a preferred technical scheme:
the template of the overhanging part of the upper-layer structure floor slab adopts an aluminum template.
On the one hand, the aluminum formwork is convenient to detach, on the other hand, the structural strength of the aluminum formwork is high, and the improvement of the concrete forming quality of the overhanging part of the upper-layer structure floor slab is facilitated.
As a preferred technical scheme:
the horizontal cross rod support comprises two groups of angle steels which are arranged in parallel, the tops of the two groups of angle steels are connected through a connecting plate, and the lower flange plate is connected with the connecting plate and the angle steels through bolts.
And the bolt penetrates through the connecting plate and the angle steel from the lower flange plate and is locked by a nut.
As a preferred technical scheme:
the angle steel comprises a plurality of angle steel sections, and two adjacent angle steel sections are connected or welded through bolts.
Is used for adapting to different cantilever lengths.
The utility model provides a large-span cantilever slab faces limit formwork method, adopts large-span cantilever slab to face limit formwork device and carry out the formwork to superstructure floor and superstructure roof beam, wherein, superstructure roof beam connect in the below of superstructure floor, includes following step:
the method comprises the following steps: erecting an upright post bracket on a lower-layer structural floor slab, connecting a lower-layer structural beam below the lower-layer structural floor slab, and arranging the upright post bracket at a position corresponding to the lower-layer structural beam;
step two: a horizontal cross rod support is arranged at the top of the upright post support, and an inclined strut is connected between the horizontal cross rod support and the upright post support;
step three: a plate bottom secondary edge is installed above the horizontal cross rod support, and the installation position of the plate bottom secondary edge avoids the installation position of a template of the upper-layer structural beam;
step four: and laying the upper-layer structure floor slab and the template of the upper-layer structure beam, binding reinforcing steel bars in the template, and then pouring concrete.
By adopting the formwork supporting method, the vertical column supports, the horizontal cross rod supports and the slab bottom secondary ridges are erected to support the upper-layer structure floor slab and the formwork of the upper-layer structure beam, the workload is smaller compared with a mode of arranging full formwork supporting frames, the passing space is increased, the acting force of the formwork supporting frames is prevented from being supported on the overhanging part of the upper-layer structure floor slab but supported on the beam, the risk of edge high-altitude operation is reduced, and the edge overhanging concrete forming quality is improved.
As a preferred technical scheme:
in the fourth step, lay the superstructure floor and the template of superstructure roof beam includes: and paving the aluminum template of the overhanging part of the upper-layer structure floor slab and paving the wood templates of other parts.
The template of the overhanging part of the superstructure floor adopts a right-angle flanging aluminum template, and the upright post support with a steel structure is matched, so that other operation surface supporting structures in the floor can be firstly removed when the template is removed, and the epitaxial upright post support and the aluminum mold are finally removed, so that the material passing in and out is not influenced, the structural strength of the overhanging plate is ensured to completely reach 100% of design strength, and the concrete forming quality of the overhanging part on the edge can be improved.
As a preferred technical scheme:
in the fourth step, when the template is laid, the secondary ridges at the bottom of the template are supported on the bottom surface of the template of the upper-layer structure floor slab, and the horizontal cross rod support is directly supported on the bottom surface of the template of the upper-layer structure beam.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a substructure floor with the part correspondence is connected to the structure roof beam sets up the stand support, makes the stand support is retreated and is set up on the roof beam, and not set up on the portion of encorbelmenting of substructure floor, avoided using full hall support to need place the pole setting on the board of encorbelmenting, alleviateed building ground board structure atress of encorbelmenting, avoided the construction risk, improved the safe space distance that faces the limit operation, adopt the mode of stand support, increased construction work space (violently vertical) distance, make things convenient for material business turn over transportation operation, reduced the work load of full hall formwork dismouting, increased and faced limit operation space, reduced and faced limit high altitude construction risk, improved and faced limit concrete shaping quality of encorbelmenting.
Drawings
Fig. 1 is the large-span board of encorbelmenting face limit formwork device's spatial structure schematic diagram.
Fig. 2 is the large-span board of encorbelmenting face limit formwork device's planar structure schematic diagram.
An icon: 1-lower-layer structure floor slab, 101-overhanging part of lower-layer structure floor slab, 2-lower-layer structure beam, 3-upper-layer structure floor slab, 301-overhanging part of upper-layer structure floor slab, 4-upper-layer structure beam, 5-upright post bracket, 6-horizontal cross rod bracket, 7-slab bottom secondary edge, 701-upper flange plate, 702-lower flange plate, 703-web plate, 8-diagonal brace, 9-backing plate, 10-tensile compression upright post, 11-adjusting hole, 12-aluminum template and 13-wood template.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the embodiment provides a formwork device for a large-span cantilever slab near edge, the formwork device is disposed on a lower-layer structural floor slab 1, a lower-layer structural beam 2 is disposed below the lower-layer structural floor slab 1, and the lower-layer structural floor slab 1 and the lower-layer structural beam 2 are integrally formed.
This formwork device includes upright support 5, upright support 5 is vertical to be set up, the bottom of upright support 5 connect in on the substructure floor 1 with the corresponding position of substructure beam 2, promptly upright support 5 sets up the upper surface of substructure floor 1, substructure beam 2 is located the lower surface of substructure floor 1, the two position is corresponding. The bottom of the upright post bracket 5 is connected with a backing plate 9, and the backing plate 9 is connected with the lower-layer structural floor slab 1 through bolts. The contact area between the upright post bracket 5 and the lower-layer structure floor slab 1 is increased through the backing plate 9, so that the upright post bracket 5 and the lower-layer structure floor slab 1 are connected more stably. In this embodiment, the pillar bracket 5 is a steel structure, and has high strength.
The top of stand support 5 is connected with horizontal cross rod support 6, the setting of 6 levels of horizontal cross rod support, with 5 mutually perpendicular of stand support, horizontal cross rod support 6 includes two sets of mutual parallel arrangement's angle steel, and is two sets of the top of angle steel is connected through the company board, the angle steel includes a plurality of angle steel sections, is connected or welds through the bolt between two adjacent angle steel sections for adapt to the different length of encorbelmenting.
The top of horizontal pole support 6 is equipped with the stupefied 7 of time at the bottom of the board, the stupefied 7 of time at the bottom of the board bottom the bottom connect in the top surface of horizontal pole support 6. Specifically, the plate bottom secondary edge 7 is i-shaped, and the plate bottom secondary edge 7 comprises an upper flange plate 701, a lower flange plate 702 and a web 703 located between the upper flange plate and the lower flange plate. The lower flange plate 702 is connected with the connecting plate and the angle steel through bolts, and the bolts are sequentially locked by the lower flange plate 702, the connecting plate and the angle steel through nuts.
The column support 5, the horizontal cross rod support 6 and the supporting structure formed by the secondary ridge 7 at the bottom of the plate are used for supporting the template of the upper-layer structural floor slab 3 and the template of the upper-layer structural beam 4 connected below the upper-layer structural floor slab 3. And then binding steel bars in the template, and pouring concrete of the upper-layer structural floor slab 3 and the structural beam thereof at one time. The horizontal cross rod support 6 is directly abutted against the bottom surface of the formwork of the upper-layer structural beam 4, and the top of the slab bottom secondary ridge 7 (i.e., the upper flange plate 701) is abutted against the bottom surface of the formwork of the upper-layer structural floor slab 3.
Preferably, horizontal pole support 6 with be equipped with a plurality ofly between superstructure floor 3's the stupefied 7 of board end time, stupefied 7 interval arrangement of board end time is used for even atress to support superstructure floor 3's template. And at least one plate bottom secondary ridge 7 is supported at the edge position of the template of the upper-layer structure floor slab 3 and used for ensuring the forming quality of the concrete of the overhanging part 301 of the upper-layer structure floor slab.
In the structure, the force applied to the secondary ridge 7 at the bottom of the slab is transmitted to the upright post bracket 5, the upright post bracket 5 is supported above the lower-layer structural beam 2, and the force acts on the beam to reduce the stress of the overhanging part structure of the lower-layer structural floor slab 1.
One end of the horizontal cross rod support 6 and the lower-layer structure floor slab 1 are also connected with a tensile compression upright post 10, and the tensile compression upright post 10 is far away from the edge of the lower-layer structure floor slab 1 through the upright post support 5. The tensile compression upright posts 10 are connected with the horizontal cross rod supports 6 and the lower-layer structure floor slab 1, so that the stress on the end parts of the horizontal cross rod supports 6 and the stress on the lower-layer structure beam 2 can be reduced.
In this embodiment, the pillar stand 5 includes at least two pillar segments, and two adjacent pillar segments are connected in a sliding manner, and the pillar segments are provided with adjusting holes 11, and bolts are installed in the adjusting holes 11. Through cup jointing two stand sections with sliding, can realize the flexible of two stand sections to change stand support 5's height for the different floor height of adaptation adjusts to suitable high back, aligns the regulation hole 11 on the stand section, then at downthehole construction bolt, fixes two adjacent stand sections. The structural style of the tension and compression resistant upright post 10 can refer to the structural style of the upright post bracket 5, the height of the tension and compression resistant upright post can be adjusted, the tension and compression resistant upright post can be set into a plurality of upright post sections, then two adjacent upright post sections are sleeved, the upright post sections are provided with adjusting holes 11, and the two upright post sections are fixed by penetrating through the adjusting holes 11 through bolts.
The template of the overhanging part 301 of the upper-layer structure floor slab adopts an aluminum template 12, specifically adopts a right-angle flanging aluminum template 12, the templates of other parts of the upper-layer structure floor slab 3 adopt wood templates 13, and the template of the upper-layer structure beam 4 adopts the wood templates 13. In this embodiment, the template of the upper structural floor 3 and the template of the upper structural beam 4 are laid together, and then the upper structural floor 3 and the upper structural beam 4 are cast together.
The formwork supporting method adopting the large-span cantilever plate edge formwork supporting device comprises the following steps:
the method comprises the following steps: erecting an upright post bracket 5 on a lower-layer structural floor slab 1, fixing a base plate 9 at the bottom of the upright post bracket 5 on the lower-layer structural floor slab 1 through a bolt, connecting a lower-layer structural beam 2 below the lower-layer structural floor slab 1, and arranging the upright post bracket 5 at a position corresponding to the lower-layer structural beam 2;
step two: a horizontal cross bar bracket 6 is arranged at the top of the upright post bracket 5, and an inclined strut 8 is connected between the horizontal cross bar bracket 6 and the upright post bracket 5;
step three: installing a plate bottom secondary edge 7 above the horizontal cross rod support 6, fixing a lower flange plate 702 of the plate bottom secondary edge 7 on the horizontal cross rod support 6 through bolts, and enabling the installation position of the plate bottom secondary edge 7 to avoid the installation position of a template of the upper-layer structural beam 4;
step four: lay superstructure floor 3 and the template of superstructure roof beam 4 is laid superstructure floor 3 and the template of superstructure roof beam 4 includes: paving an aluminum template 12 of the overhanging part 301 of the upper-layer structure floor slab and paving wooden templates 13 of other parts, wherein when the templates are paved, the slab bottom secondary ridges 7 are supported on the bottom surface of the template of the upper-layer structure floor slab 3, and the horizontal cross rod supports 6 are directly supported on the bottom surface of the template of the upper-layer structure beam 4;
step five: and binding steel bars in the template, and then pouring concrete of the upper-layer structure floor 3 and the upper-layer structure beam 4 to form the upper-layer structure floor 3 and the upper-layer structure beam 4. Wherein, the template of superstructure floor cantilever portion 301 adopts right angle turn-ups aluminium mould board 12, and the upright support 5 of collocation steel construction can demolish other operation face bearing structure inside the floor earlier when demolising the template, demolishs epitaxial upright support 5 and aluminium mould board 12 again at last, and the material business turn over that neither influences demolishs has guaranteed again that cantilever plate structure intensity reaches 100% design strength completely, can also improve and face the limit and cantilever concrete shaping quality.
By adopting the formwork supporting method, the vertical column supports 5, the horizontal cross rod supports 6 and the slab bottom secondary ribs 7 are erected to support the formworks of the upper-layer structure floor slab 3 and the upper-layer structure beam 4, the workload is smaller compared with a mode of arranging a full formwork supporting frame, the passing space is increased, the acting force of the formwork supporting frame is prevented from being supported on the overhanging part 301 of the upper-layer structure floor slab but supported on the beam, the risk of edge high-altitude operation is reduced, and the forming quality of edge overhanging concrete is improved.
The utility model discloses a substructure floor 1 with the part correspondence is connected to the structure roof beam sets up stand support 5, makes stand support 5 back-off sets up on the roof beam, but not sets up on substructure floor 1's the portion of encorbelmenting, has avoided using full hall support to need place the pole setting on the board of encorbelmenting, has alleviateed building ground cantilever board structure atress, has avoidd the construction risk, has improved the safe space distance who faces the limit operation, adopts stand support 5's mode, has increased construction work space (violently vertical) distance, makes things convenient for material business turn over transportation operation, has reduced the work load of full hall formwork dismouting, has increased and has faced limit operation space, has reduced and has faced limit high altitude construction risk, has improved and has faced limit concrete shaping quality that encorbelments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a large-span board that encorbelments faces limit formwork device which characterized in that:
the floor structure comprises a vertical column support (5) arranged on a lower-layer structure floor slab (1), a lower-layer structure beam (2) is connected below the lower-layer structure floor slab (1), and the bottom of the vertical column support (5) is connected to the position, corresponding to the lower-layer structure beam (2), on the lower-layer structure floor slab (1);
the upright post bracket (5) is used for supporting a template of an upper-layer structural floor slab (3) and a template of an upper-layer structural beam (4) connected below the upper-layer structural floor slab (3);
a horizontal cross rod support (6) is connected to the top of the upright post support (5), the horizontal cross rod support (6) is abutted to a template of the upper-layer structural beam (4), and an inclined strut (8) is connected between the horizontal cross rod support (6) and the upright post support (5);
horizontal pole support (6) with be equipped with stupefied (7) at the bottom of the board between the template of superstructure floor (3), the bottom of stupefied (7) at the bottom of the board connect in the top surface of horizontal pole support (6), the top butt of stupefied (7) at the bottom of the board in the template bottom surface of superstructure floor (3).
2. The large-span cantilever slab limb formwork device of claim 1, wherein:
stupefied (7) are I-shaped at the bottom of the board, stupefied (7) are stupefied including upper flange board (701), lower flange board (702) and are located web (703) between the two at the bottom of the board, upper flange board (701) butt in the bottom surface of the template of superstructure floor (3), lower flange board (702) through bolted connection in on horizontal cross rod support (6).
3. The large-span cantilever slab limb formwork device according to claim 1, wherein:
the upright post bracket (5) comprises at least two upright post sections which are adjacent to each other, the upright post sections are sleeved in a sliding mode, adjusting holes (11) are formed in the upright post sections, and bolts are installed in the adjusting holes (11).
4. The large-span cantilever slab limb formwork device according to claim 3, wherein:
the bottom of the upright post bracket (5) is connected with a backing plate (9), and the backing plate (9) is connected with the lower-layer structure floor slab (1) through bolts.
5. The large-span cantilever slab limb formwork device according to any one of claims 1-4, wherein:
the upright post bracket (5) is of a steel structure.
6. The large-span cantilever slab limb formwork device according to claim 1, wherein:
a plurality of plate bottom secondary ridges (7) are arranged between the horizontal cross rod support (6) and the template of the upper-layer structure floor slab (3), and at least one plate bottom secondary ridge (7) is supported at the edge position of the template of the upper-layer structure floor slab (3).
7. The large-span cantilever slab limb formwork device according to claim 1, wherein:
one end of the horizontal cross rod support (6) and the lower-layer structure floor slab (1) are connected with a tensile compression upright post (10), and the tensile compression upright post (10) is far away from the edge of the lower-layer structure floor slab (1) than the upright post support (5).
8. The large-span cantilever slab limb formwork device according to claim 1, wherein:
the template of the overhanging part of the upper-layer structure floor slab (3) adopts an aluminum template (12).
9. The large-span cantilever slab limb formwork device of claim 2, wherein:
the horizontal cross rod support (6) comprises two groups of angle steels which are arranged in parallel, the tops of the two groups of angle steels are connected through a connecting plate, and the lower flange plate (702) is connected with the connecting plate and the angle steels through bolts.
10. The large-span cantilever slab limb formwork device of claim 9, wherein:
the angle steel comprises a plurality of angle steel sections, and two adjacent angle steel sections are connected or welded through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220971814.XU CN217537864U (en) | 2022-04-25 | 2022-04-25 | Large-span board of encorbelmenting faces limit formwork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220971814.XU CN217537864U (en) | 2022-04-25 | 2022-04-25 | Large-span board of encorbelmenting faces limit formwork device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217537864U true CN217537864U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220971814.XU Active CN217537864U (en) | 2022-04-25 | 2022-04-25 | Large-span board of encorbelmenting faces limit formwork device |
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| Country | Link |
|---|---|
| CN (1) | CN217537864U (en) |
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2022
- 2022-04-25 CN CN202220971814.XU patent/CN217537864U/en active Active
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