CN221001909U - Climbing frame top layer outer frame overhanging device - Google Patents
Climbing frame top layer outer frame overhanging device Download PDFInfo
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- CN221001909U CN221001909U CN202322315750.5U CN202322315750U CN221001909U CN 221001909 U CN221001909 U CN 221001909U CN 202322315750 U CN202322315750 U CN 202322315750U CN 221001909 U CN221001909 U CN 221001909U
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- 230000009194 climbing Effects 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model provides a climbing frame top layer outer frame cantilever device, which is characterized in that a plurality of cantilever outer frames are arranged on a building concrete pouring wall side by side; the first vertical support piece is arranged on the inner side of the concrete pouring wall of the building, and the second vertical support piece is arranged on the outer side of the wall; the first vertical support piece is detachably connected with the second vertical support piece through a bolt assembly; the first end of the horizontal supporting piece is fixedly connected with the first end of the second vertical supporting piece, the first end of the diagonal bracing piece is fixedly connected with the second end of the horizontal supporting piece, and the second end of the diagonal bracing piece is fixedly connected with the second end of the second vertical supporting piece; the horizontal support pieces of each overhanging outer support are arranged on the same horizontal plane. The cantilever outer support stress system is a triangular system, vertical load is converted to a structural part through a diagonal brace, and stress is reasonable. The defect that safety is affected due to the fact that a pull rod at the upper part of the basket type cantilever scaffold is free of a pull node is overcome, and the problems that structural safety, passing between stairs and the like are affected due to the fact that a traditional I-shaped steel is used for penetrating floors are solved.
Description
Technical Field
The utility model belongs to the technical field of high-rise building construction, and particularly relates to an outer frame cantilever device of a climbing frame top layer.
Background
At present, most high-rise projects all adopt an aluminum formwork climbing frame system, some residential project roofs have official caps, climbing frames can only be lifted to roof layers, some residential projects have roof machine rooms and blockhouse, the roof machine rooms and blockhouse are positioned on the roofs, but after climbing up to the roof layers, the climbing frames cannot continuously climb due to the fact that no attachment points are formed on the climbing frames, when the roof machine rooms and blockhouse are constructed, overhanging outer frames are required to be erected for construction as protection, and in the traditional method, I-steel is pre-buried in the lower layer of the roof or basket type overhanging I-steel is adopted in the roof layers, and then the outer frames are erected.
When the I-steel of encorbelmenting of roofing next floor, stair, elevator shaft are located structure edge position, and corner shear force wall hidden post, reinforcing bar are more, if adopt traditional I-steel of encorbelmenting, increase the putty procedure, easily cause the outer wall seepage, the consumptive material is spent, still can influence the pass of stair, and some I-steel still can pass the hidden post, influence structural safety. The upper part of the basket-type cantilever I-steel adopted in the roof layer cannot be provided with a pull-out point, so that the safety of the frame body is affected.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the cantilever device for the top outer frame of the climbing frame, which does not influence the integral structure of a building body and is convenient to assemble and disassemble.
A plurality of overhanging outer brackets are arranged on the concrete pouring wall of the building side by side;
the cantilever outer support is provided with a horizontal support piece, a first vertical support piece, a second vertical support piece and an inclined support piece;
The first vertical support piece is arranged on the inner side of the building concrete pouring wall body, and the second vertical support piece is arranged on the outer side of the building concrete pouring wall body; the first vertical support piece is detachably connected with the second vertical support piece through a bolt assembly;
The first end of the horizontal supporting piece is fixedly connected with the first end of the second vertical supporting piece, the first end of the diagonal bracing piece is fixedly connected with the second end of the horizontal supporting piece, and the second end of the diagonal bracing piece is fixedly connected with the second end of the second vertical supporting piece;
The horizontal support pieces of each overhanging outer support are arranged on the same horizontal plane.
It should be further noted that the bolt assembly includes: three studs;
the three studs are uniformly distributed on the first vertical supporting piece and the second vertical supporting piece;
One end of the double-end stud sequentially penetrates through the first vertical support piece, the building concrete pouring wall body and the second vertical support piece, and nuts are respectively arranged on the double-end stud to enable the first vertical support piece and the second vertical support piece to be fixed on the building concrete pouring wall body.
The stud is also provided with a gasket.
The concrete pouring wall body of the building is further provided with a through hole, a plastic sleeve is penetrated in the through hole, and the stud extends into the plastic sleeve and penetrates through the concrete pouring wall body of the building.
It is further noted that two transverse support rods are arranged on the horizontal support piece of the cantilever outer support in parallel;
The bottom of the climbing frame is arranged on the transverse supporting rod.
It should be further noted that the transverse support bars are connected to the horizontal support members by welding.
It should be further noted that the horizontal support, the first vertical support, the second vertical support, and the diagonal support are respectively made of square steel pipes.
It should be further noted that the horizontal support member, the second vertical support member and the diagonal support member are fixedly connected by welding.
From the above technical scheme, the utility model has the following advantages:
The cantilever outer support stress system of the cantilever device of the climbing frame top layer outer support provided by the utility model is a triangular system, vertical load is converted to a structural part through an inclined strut, and the stress is reasonable. The defect that safety is affected due to the fact that a pull rod at the upper part of the basket type cantilever scaffold is free of a pull node is overcome, and the problems that structural safety, passing between stairs and the like are affected due to the fact that a traditional I-shaped steel is used for penetrating floors are solved.
The cantilever outer support can be installed and dismantled in synchronization with the climbing frame, so that synchronous construction of the climbing frame is facilitated, the construction is convenient and fast, the construction period is shortened, the turnover frequency is high, and the engineering cost can be effectively reduced. The cantilever device of the climbing frame top layer outer frame is suitable for structural engineering such as high-rise buildings, roofing machine rooms, blockhouse, official caps and the like using the climbing frame. The embedding and the opening plugging of the cantilever outer support are convenient and quick, and the screw hole is only required to be plugged in the later stage, so that the leakage risk is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a top outer frame cantilever device of a climbing frame;
FIG. 2 is a schematic structural view of an embodiment of an outer frame cantilever device on the top layer of a climbing frame;
FIG. 3 is an exemplary schematic view of a top outer frame cantilever device of the climbing frame;
fig. 4 is a schematic view of a square steel tube.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 and 2, the cantilever device of the top outer frame of the climbing frame provided by the utility model comprises: a plurality of overhanging outer brackets are arranged on a building concrete pouring wall body 1 side by side; the overhanging outer support can be used for fixedly mounting the climbing frame.
Specifically, the overhanging outer bracket is provided with a horizontal support 2, a first vertical support 3, a second vertical support 4 and a diagonal brace 5; the first vertical supports 3 are arranged on the inner side of the building concrete pouring wall body 1, and the second vertical supports 4 are arranged on the outer side of the building concrete pouring wall body 1; the first vertical support 3 and the second vertical support 4 are detachably connected through a bolt assembly;
In the present utility model, a bolt assembly includes: three studs 6; of course, a plurality of studs 6 may be provided according to actual needs. The three studs 6 are uniformly distributed on the first vertical supporting piece 3 and the second vertical supporting piece 4; one end of the stud 6 sequentially passes through the first vertical support 3, the building concrete pouring wall 1 and the second vertical support 4, and nuts 7 are respectively arranged on the studs 6 to fix the first vertical support 3 and the second vertical support 4 on the building concrete pouring wall 1. In order to facilitate penetration, a through hole is formed in the building concrete pouring wall body 1, a plastic sleeve is penetrated into the through hole, and the stud 6 extends into the plastic sleeve and penetrates through the building concrete pouring wall body 1. To ensure the connection tightening, shims are also mounted on the studs 6.
In the utility model, the first end of the horizontal support piece 2 is fixedly connected with the first end of the second vertical support piece 4, the first end of the diagonal bracing piece 5 is fixedly connected with the second end of the horizontal support piece 2, and the second end of the diagonal bracing piece 5 is fixedly connected with the second end of the second vertical support piece 4; the horizontal support members 2 of each overhanging outer support are arranged on the same horizontal plane. The diagonal braces 5 serve to stiffen the horizontal support 2 and the vertical support.
In order to enable the climbing frame to be mounted on the overhanging outer support, two transverse support rods are mounted on the horizontal support piece 2 of the overhanging outer support side by side; the two transverse supporting rods are equivalent to a plurality of overhanging outer brackets which are strung together, and the bottom ends of the climbing brackets are arranged on the transverse supporting rods 8. Wherein the transverse support bar 8 is connected to the horizontal support member 2 by means of welding.
The horizontal support piece 2, the first vertical support piece 3, the second vertical support piece 4 and the diagonal support piece 5 are respectively made of square steel pipes. The square steel pipe can be a square steel pipe with the diameter of 70mm multiplied by 70mm, the diameter of the stud 6 is 30mm, and the distance between the overhanging outer brackets is 1m to 1.5m.
The application steps of the utility model are as follows:
1: before binding of roof layer steel bars is completed and die assembly is completed, PVC sleeve with the diameter of 40mm is embedded in a building concrete pouring wall;
2: after the concrete pouring wall of the building is completed, installing bolts with the diameter of 30 mm;
3: installing an overhanging outer bracket on a concrete pouring wall of a building;
4: installing a gasket, screwing up a nut, and reinforcing the overhanging outer bracket;
5: a transverse supporting rod and a climbing frame are arranged on the mounted cantilever outer support;
6: after finishing construction of all working procedures of the roof layer, removing the climbing frame and the overhanging outer support;
7: and plugging the bolt hole.
The cantilever outer support stress system of the cantilever device of the climbing frame top layer outer support provided by the utility model is a triangular system, vertical load is converted to a structural part through an inclined strut, and the stress is reasonable. The defect that safety is affected due to the fact that a pull rod at the upper part of the basket type cantilever scaffold is free of a pull node is overcome, and the problems that structural safety, passing between stairs and the like are affected due to the fact that a traditional I-shaped steel is used for penetrating floors are solved.
The cantilever outer support can be installed and dismantled in synchronization with the climbing frame, so that synchronous construction of the climbing frame is facilitated, the construction is convenient and fast, the construction period is shortened, the turnover frequency is high, and the engineering cost can be effectively reduced. The cantilever device of the climbing frame top layer outer frame is suitable for structural engineering such as high-rise buildings, roofing machine rooms, blockhouse, official caps and the like using the climbing frame. The embedding and the opening plugging of the cantilever outer support are convenient and quick, and the screw hole is only required to be plugged in the later stage, so that the leakage risk is greatly reduced.
The following describes a specific embodiment as an example of the configuration of the cantilever external support, and as shown in fig. 3 and 4, the calculation method of the cantilever external support is as follows:
1. According to the specifications
1. T/CECS 699-2020 for safety technical Standard of construction fastener type Steel pipe scaffold
2. Building construction scaffold safety technology unified standard GB51210-2016
3. Construction fastener type steel pipe scaffold safety technical Specification JGJ130-2011
4. Building Structure load Specification GB50009-2012
5. Steel structural design Standard GB50017-2017
6. "Concrete structural design Specification" GB50010-2010
2. Calculating parameters
The strength of the square steel pipe is 205.0N/m2, and the square steel pipe reduction coefficient is 1.00.
The double-row scaffold is erected with the height of 18.00 meters, and the upright posts are single upright posts.
The vertical distance of the vertical rods is 1.05m, the horizontal distance of the vertical rods is 0.80m, the distance between the inner bent frame and the structure is 0.3m, and the step distance of the vertical rods is 1.4m.
The steel pipe type phi 48 multiplied by 2.8 is adopted.
The wall connecting piece adopts 2 steps and 3 spans, the vertical spacing is 2.8m, and the horizontal spacing is 4.50m.
The construction live load is 3.0kN/m 2, and meanwhile 2 layers of construction are considered.
The scaffold board adopts a wood board, the load is 0.35kN/m 2, and the scaffold board is calculated according to the three layers of paving.
The railing adopts a wood board, the load is 0.17N/m, and the safety net load is 0.0100kN/m 2.
The lower small cross rod of the scaffold board is arranged above the large cross rod, and a small cross rod is additionally arranged between the main nodes
Basic wind pressure is 0.30kN/m 2, height change coefficient is 1.0000, and body type coefficient is 1.4150.
3.
Square steel pipe: 70*70*6
Steel brand: q235
Steel strength reduction coefficient: 1.00
Web thickness: t w = 6.00mm
Wool cross-sectional area: a=15.36 cm 4
Moment of section inertia: i x=105.78cm4
Moment of area S of half section x=18.49cm3
Radius of gyration: i x =2.62 cm
iy=2.62cm
Section modulus: w x=30.22cm3
Wy=30.22cm3
Modulus reduction coefficient of section: 1
Net section modulus:
Wnx=30.22cm3
Wny=30.22cm3
Compression flange free length I i = 1.3m
Coefficient of section plasticity development:
rx=1.05
ry=1.05
The welding method of the overhanging outer bracket is manual welding electrode type E43.
The material of the weldment of the overhanging outer bracket is Q235-A, the grade of the welding seam is two-stage, and the type of the welding seam is fillet welding seam. Welding leg size: 6mm.
Through the checking calculation, the use function of the outer frame can be met, and the safety stress requirement is completely met.
It will be understood that when an element or layer is referred to as being "on" or "connected" or "coupled" to another element or layer, it can be directly on, connected or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Spatially relative terms, such as "under" …, "below," "lower," "above," "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" may include both an orientation above and below. Other orientations of the device (90 degrees or other orientations) are possible, and spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the expressions within this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A climbing frame top layer outer frame overhanging device, comprising: building concrete pouring wall; the method is characterized in that a plurality of overhanging outer brackets are arranged on a concrete pouring wall of a building side by side;
the cantilever outer support is provided with a horizontal support piece, a first vertical support piece, a second vertical support piece and an inclined support piece;
The first vertical support piece is arranged on the inner side of the building concrete pouring wall body, and the second vertical support piece is arranged on the outer side of the building concrete pouring wall body; the first vertical support piece is detachably connected with the second vertical support piece through a bolt assembly;
The first end of the horizontal supporting piece is fixedly connected with the first end of the second vertical supporting piece, the first end of the diagonal bracing piece is fixedly connected with the second end of the horizontal supporting piece, and the second end of the diagonal bracing piece is fixedly connected with the second end of the second vertical supporting piece;
the horizontal supporting pieces of each overhanging outer bracket are arranged on the same horizontal plane;
The bolt assembly includes: three studs;
the three studs are uniformly distributed on the first vertical supporting piece and the second vertical supporting piece;
One end of the double-end stud sequentially passes through the first vertical support piece, the building concrete pouring wall body and the second vertical support piece, and nuts are respectively arranged on the double-end stud to fix the first vertical support piece and the second vertical support piece on the building concrete pouring wall body;
The building concrete pouring wall body is provided with a through hole, a plastic sleeve is penetrated in the through hole, and the stud extends into the plastic sleeve and penetrates through the building concrete pouring wall body;
two transverse support rods are arranged on the horizontal support piece of the overhanging outer support in parallel;
The bottom end of the climbing frame is arranged on the transverse supporting rod;
the transverse supporting rod is connected to the horizontal supporting piece in a welding mode;
The welding mode is manual welding, and the welding rod type is E43; the grade of the welding seam is two-grade, and the type of the welding seam is fillet welding;
the horizontal support piece, the first vertical support piece, the second vertical support piece and the diagonal bracing piece are respectively made of square steel pipes;
the strength of the square steel pipe is 205.0N/m2, and the square steel pipe reduction coefficient is 1.00;
setting up a double-row scaffold, wherein the height of the double-row scaffold is 18.00 meters, and the upright rods are single upright rods;
The vertical distance of the vertical rods is 1.05m, the horizontal distance of the vertical rods is 0.80m, the distance structure of the inner bent is 0.3m, and the step distance of the vertical rods is 1.4m;
Adopting a steel pipe type phi 48 multiplied by 2.8;
The wall connecting piece adopts 2 steps and 3 spans, the vertical spacing is 2.8m, and the horizontal spacing is 4.50m;
The construction live load is 3.0kN/m 2, and meanwhile 2 layers of construction are considered;
The scaffold board adopts a wood board, the load is 0.35kN/m 2, and three layers are paved;
The railing adopts a wood board, the load is 0.17N/m, and the safety net load is 0.0100kN/m 2;
the lower small cross rod of the scaffold board is arranged above the large cross rod, and a small cross rod is additionally arranged between the main nodes;
Basic wind pressure is 0.30kN/m 2, height change coefficient is 1.0000, and body type coefficient is 1.4150.
2. The climbing frame top layer outer frame overhanging device according to claim 1, characterized in that,
The stud is also provided with a gasket.
3. The climbing frame top layer outer frame overhanging device according to claim 1, characterized in that,
The horizontal supporting piece, the second vertical supporting piece and the diagonal bracing piece are fixedly connected in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315750.5U CN221001909U (en) | 2023-08-28 | 2023-08-28 | Climbing frame top layer outer frame overhanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315750.5U CN221001909U (en) | 2023-08-28 | 2023-08-28 | Climbing frame top layer outer frame overhanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221001909U true CN221001909U (en) | 2024-05-24 |
Family
ID=91123343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322315750.5U Active CN221001909U (en) | 2023-08-28 | 2023-08-28 | Climbing frame top layer outer frame overhanging device |
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| Country | Link |
|---|---|
| CN (1) | CN221001909U (en) |
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- 2023-08-28 CN CN202322315750.5U patent/CN221001909U/en active Active
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