CN210828265U - Cantilever steel beam connecting structure for building construction external scaffold - Google Patents
Cantilever steel beam connecting structure for building construction external scaffold Download PDFInfo
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- CN210828265U CN210828265U CN201921500979.3U CN201921500979U CN210828265U CN 210828265 U CN210828265 U CN 210828265U CN 201921500979 U CN201921500979 U CN 201921500979U CN 210828265 U CN210828265 U CN 210828265U
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- girder steel
- encorbelmenting
- steel beam
- connecting plate
- hinged
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Abstract
The utility model provides a construction external scaffolding is with girder steel connection structure that encorbelments, including girder steel, connecting plate, bolt and the diagonal brace of encorbelmenting, the root and the connecting plate welded fastening of girder steel encorbelmenting, the connecting plate passes through a plurality of bolt fastening in the boundary beam outside, and is a plurality of the bolt sets up along the girder steel longitudinal symmetry of encorbelmenting, enables the girder steel of encorbelmenting under the vertical load effect root portion and is in just connecing the stress state, can reduce the deformation that the girder steel of encorbelmenting arouses under the vertical load effect, the both ends of diagonal brace respectively with the girder steel middle part flange of encorbelmenting and connecting plate lower part hinge joint are connected, can reduce the deformation of girder steel of encorb. The utility model discloses girder steel connection structure atress of encorbelmenting is simple, construction convenience, steadiness are good, can effectively avoid having had girder steel connection structure of encorbelmenting can cause the shortcoming of influence to indoor or lower part floor construction operation, and the materials are more economized moreover, more economical.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to construction outer scaffold frame is with girder steel connection structure that encorbelments.
Background
In the construction process of high-rise buildings, scaffolds are required to be erected on the periphery of the outer wall of the building, and the upper structure can be constructed. The scaffold of the bottom floor can be directly erected on the ground. However, when constructing a high-rise building, the scaffold needs to stand on an cantilever beam (cantilever beam) on the upper floor. At present, there are 3 methods for such overhanging steel beams: the first way is to extend the cantilever steel beam into the floor slab for fixing (as shown in figure 1), i.e. the cantilever steel beam extends inwards and outwards; the second way is to fix the cantilever steel beam outside the side beam of the building (as shown in fig. 2), i.e. the pure cantilever steel beam; the third method is to fix the cantilever steel beam outside the side beam, and set an inclined strut on the side beam of the next floor of the cantilever steel beam to support the cantilever steel beam (as shown in fig. 3), i.e. a pure cantilever steel beam with lower support.
However, the three types of cantilever steel beams for the existing external scaffold have the following disadvantages: the first mode is that the overhanging steel beam extends into a floor slab (room) for fixing, the floor slab is easy to be damaged due to insufficient bearing capacity because the thickness of the floor slab is relatively small, and meanwhile, the overhanging steel beam extends into the room, and the construction operations such as masonry, painting and the like in the room are also influenced; although the second mode avoids the defects of the first mode, the root of the cantilever steel beam is fixed on the outer side of the boundary beam, two bolts are arranged at the root of the cantilever steel beam side by side to fixedly connect the outer beam, and the defects of large deformation and poor stability of the cantilever steel beam exist; the third mode sets up the diagonal brace, can reduce the deformation of the girder steel of encorbelmenting to increase its stability, improve the bearing capacity of the girder steel of encorbelmenting, nevertheless can cause the influence to the construction operation of lower part floor.
SUMMERY OF THE UTILITY MODEL
The not enough that exists to prior art, the utility model provides a construction scaffold frame is with girder steel connection structure that encorbelments, this girder steel connection structure that encorbelments will encorbelment the girder steel through the connecting plate and fix in the boundary beam outside to set up the diagonal brace at the connecting plate lower part and the girder steel middle part lower limb of encorbelmenting, the deformation of girder steel under vertical load of encorbelmenting has been reduced, and its overall stability has been improved, this girder steel connection structure atress of encorbelmenting is simple, convenient construction, the steadiness is good, can effectively avoid having had girder steel connection structure of encorbelmenting can lead to the fact the shortcoming of influence to indoor or lower part floor construction operation, and the material is.
The utility model discloses a following technical scheme realizes:
a cantilever steel beam connecting structure for an external scaffold for building construction comprises a cantilever steel beam, a connecting plate, bolts and inclined support rods; the root of the cantilever steel beam is welded and fixed with the connecting plate, the connecting plate is fixed on the outer side of the side beam through a plurality of bolts, the bolts are arranged along the cantilever steel beam in an up-and-down symmetrical mode, the bolts are high-strength bolts, and two ends of the inclined support rod are respectively hinged and connected with the lower flange in the middle of the cantilever steel beam and the lower portion of the connecting plate; the bolts are symmetrically arranged up and down along the cantilever steel beam, so that the root part of the cantilever steel beam is in a rigid connection stress state under the action of vertical load, the deformation of the cantilever steel beam under the action of the vertical load is favorably reduced, the bearing capacity of the cantilever steel beam can be improved, the inclined support rod is arranged in the middle of the cantilever steel beam, the deformation of the cantilever steel beam under the vertical load can be reduced, and the overall stability of the cantilever steel beam can be improved; the cantilever steel beam connecting structure is simple in stress, convenient to construct and good in stability, can effectively avoid the defect that the existing cantilever steel beam connecting structure can influence indoor or lower floor construction operation, and is more economical and economical in material consumption.
Furthermore, the cantilever steel beam middle bottom flange and the connecting plate lower part are respectively provided with a hinged connection support, the two hinged connection supports are respectively welded and fixed with the cantilever steel beam middle bottom flange and the connecting plate lower part, and two ends of the inclined strut are respectively hinged with the two hinged connection supports, so that the structure is simple, and the connection is convenient.
Further, the diagonal brace is an adjustable telescopic rod, the length of the diagonal brace is adjustable, the diagonal brace is convenient to connect, the redundancy of the cantilever steel beam can be increased, the stability of the cantilever steel beam is improved, the bearing capacity of the steel beam can be improved, and the deformation of the steel beam under the action of vertical load is reduced.
Further, the diagonal brace comprises an upper support rod, a lower support rod and a connecting sleeve, one ends of the upper support rod and the lower support rod are respectively hinged to the two hinged connection supports, positive-rotation internal threads and negative-rotation internal threads are arranged at two ends of the connecting sleeve, the other ends of the upper support rod and the lower support rod are respectively in threaded connection with the connecting sleeve, specifically, external threads are arranged at one ends, far away from the hinged connection, of the upper support rod and the lower support rod, the threaded connection section lengths of the connecting sleeve and the upper support rod and the lower support rod can be adjusted through the rotary connecting sleeve, and therefore the length of the whole diagonal brace can be adjusted, and the whole diagonal brace can be extended or.
Further, the bolts are two, and two bolts are located same vertical direction, make the girder steel of encorbelmenting be in the rigid connection stress state under the vertical load effect, ensure the steadiness of girder steel and the connecting plate of encorbelmenting.
According to the above technical scheme, the utility model provides a pair of construction external scaffolding is with girder steel connection structure that encorbelments, beneficial effect lies in: the cantilever steel beam connecting structure is simple in stress, convenient to construct and good in stability, can effectively avoid the defect that the existing cantilever steel beam connecting structure can influence indoor or lower floor construction operation, and is more economical and economical in material consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of an existing installation structure of a steel beam of an inward-extending cantilever.
Fig. 2 is a schematic view of an existing installation structure of a pure cantilever steel beam.
Fig. 3 is a schematic view of a conventional installation structure of a pure cantilever steel beam with a lower support.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a sectional view taken along a line a-a in fig. 4.
In the drawings: the method comprises the following steps of 1-cantilever steel beam, 2-connecting plate, 3-bolt, 4-diagonal brace, 41-upper support rod, 42-lower support rod, 43-connecting sleeve, 5-boundary beam and 6-hinged connecting support.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 4 and 5, an overhanging steel beam connecting structure for a building construction external scaffold comprises an overhanging steel beam 1, a connecting plate 2, bolts 3 and diagonal braces 4; the root of the cantilever steel beam 1 is welded and fixed with the connecting plate 2, the connecting plate 2 is fixed outside the boundary beam 5 through two bolts 3, the two bolts 3 are symmetrically arranged up and down along the cantilever steel beam 1, and the two bolts 3 are positioned on the same vertical direction, so that the root of the cantilever steel beam 1 is in a rigid connection stress state under the action of vertical load, the deformation of the cantilever steel beam 1 under the action of vertical load is favorably reduced, the bearing capacity of the cantilever steel beam 1 can be improved, the stability of the cantilever steel beam 1 and the connecting plate 2 is ensured, hinged connecting supports 6 are respectively arranged on the lower flange of the middle part of the cantilever steel beam 1 and the lower part of the connecting plate 2, the two hinged connecting supports 6 are respectively welded and fixed with the lower flange of the middle part of the cantilever steel beam 1 and the lower part of the connecting plate 2, two ends of the inclined strut 4 are respectively hinged with the two hinged connecting supports 6, and the inclined strut 4 can reduce the deformation of, and the integral stability of the composite material can be improved; this girder steel connection structure stress of encorbelmenting is simple, construction convenience, steadiness are good, can effectively avoid having 1 structure of girder steel of encorbelmenting can cause the shortcoming of influence to indoor or lower part floor construction operation, and the material is more economized moreover, more economical.
In this embodiment, the inclined strut 4 is an adjustable telescopic rod, the inclined strut 4 includes an upper support rod 41, a lower support rod 42 and a connecting sleeve 43, one end of each of the upper support rod 41 and the lower support rod 42 is hinged with the two hinged connection supports 6, two ends of the connection sleeve 43 are provided with a forward-rotation internal thread and a reverse-rotation internal thread, the other ends of the upper support rod 41 and the lower support rod 42 are respectively in threaded connection with the connection sleeve 43, specifically, one end of each of the upper support rod 41 and the lower support rod 42 far away from the hinged connection is provided with an external thread, by rotating the connecting sleeve 43, the length of the threaded connection sections of the connecting sleeve 43 with the upper support rod 41 and the lower support rod 42 can be adjusted, so that the length of the entire diagonal support rod 4 can be adjusted, this diagonal brace 4's length is adjustable, and convenient the connection can increase the redundancy of girder steel 1 of encorbelmenting, improves its stability to can improve the bearing capacity of girder steel, reduce the deformation of girder steel under the vertical load effect.
The working principle of the embodiment is as follows: the two bolts 3 are symmetrically arranged up and down along the cantilever steel beam 1, and the two bolts 3 are positioned in the same vertical direction, so that the root of the cantilever steel beam 1 is in a rigid connection stress state under the action of vertical load, the deformation of the cantilever steel beam 1 under the action of the vertical load is favorably reduced, the bearing capacity of the cantilever steel beam 1 can be improved, the inclined strut 4 is arranged in the middle of the cantilever steel beam 1, the length of the inclined strut 4 is adjustable, the installation is convenient, the redundancy of the cantilever beam can be increased, the deformation of the cantilever steel beam 1 under the vertical load can be reduced, the overall stability of the cantilever steel beam 1 can be improved, and the bearing capacity of the steel beam can be improved; this girder steel 1 structure atress of encorbelmenting is simple, construction convenience, can effectively avoid having girder steel 1 structure of encorbelmenting can cause the shortcoming of influence to indoor or lower part floor construction operation, and the material is more economized moreover, more economical.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a construction external scaffolding is with girder steel connection structure that encorbelments which characterized in that: comprises an overhanging steel beam (1), a connecting plate (2), a bolt (3) and an inclined stay bar (4); the root of girder steel (1) of encorbelmenting and connecting plate (2) welded fastening, connecting plate (2) are fixed in the boundary beam (5) outside through a plurality of bolts (3), and are a plurality of bolt (3) set up along girder steel (1) of encorbelmenting longitudinal symmetry, the both ends of diagonal brace (4) respectively with girder steel (1) middle part flange of encorbelmenting and connecting plate (2) lower part hinged connection.
2. The overhanging steel beam connecting structure for the external scaffold for building construction according to claim 1, wherein: the cantilever steel beam (1) middle part bottom flange and the connecting plate (2) lower part are respectively provided with a hinged connection support (6), the two hinged connection supports (6) are respectively welded and fixed with the cantilever steel beam (1) middle part bottom flange and the connecting plate (2) lower part, and two ends of the inclined stay bar (4) are respectively hinged with the two hinged connection supports (6).
3. The overhanging steel beam connecting structure for the external scaffold for building construction according to claim 2, wherein: the inclined stay bar (4) is an adjustable telescopic bar.
4. The overhanging steel beam connecting structure for the external scaffold for building construction according to claim 3, wherein: the inclined strut (4) comprises an upper strut (41), a lower strut (42) and a connecting sleeve (43), one ends of the upper strut (41) and the lower strut (42) are respectively hinged to the two hinged connecting supports (6), two ends of the connecting sleeve (43) are provided with a forward-rotation internal thread and a reverse-rotation internal thread, and the other ends of the upper strut (41) and the lower strut (42) are respectively in threaded connection with the connecting sleeve (43).
5. The overhanging steel beam connecting structure for the external scaffold for building construction according to claim 1, wherein: the number of the bolts (3) is two, and the two bolts (3) are located in the same vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921500979.3U CN210828265U (en) | 2019-09-10 | 2019-09-10 | Cantilever steel beam connecting structure for building construction external scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921500979.3U CN210828265U (en) | 2019-09-10 | 2019-09-10 | Cantilever steel beam connecting structure for building construction external scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210828265U true CN210828265U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921500979.3U Expired - Fee Related CN210828265U (en) | 2019-09-10 | 2019-09-10 | Cantilever steel beam connecting structure for building construction external scaffold |
Country Status (1)
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|---|---|
| CN (1) | CN210828265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914233A (en) * | 2021-07-28 | 2022-01-11 | 北京市机械施工集团有限公司 | Large-span steel construction cantilever construction is with drawing frame |
| CN114000694A (en) * | 2021-10-18 | 2022-02-01 | 西安安德固模架工程有限公司 | Overhanging type scaffold for decorating high and large space roof and installation method thereof |
| CN115787997A (en) * | 2023-01-31 | 2023-03-14 | 天津鼎维固模架工程股份有限公司 | Multifunctional heavy cantilever beam structure and construction monitoring system thereof |
-
2019
- 2019-09-10 CN CN201921500979.3U patent/CN210828265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914233A (en) * | 2021-07-28 | 2022-01-11 | 北京市机械施工集团有限公司 | Large-span steel construction cantilever construction is with drawing frame |
| CN114000694A (en) * | 2021-10-18 | 2022-02-01 | 西安安德固模架工程有限公司 | Overhanging type scaffold for decorating high and large space roof and installation method thereof |
| CN115787997A (en) * | 2023-01-31 | 2023-03-14 | 天津鼎维固模架工程股份有限公司 | Multifunctional heavy cantilever beam structure and construction monitoring system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |