CN218912188U - Building machine top steel platform girder construction that encorbelments - Google Patents
Building machine top steel platform girder construction that encorbelments Download PDFInfo
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- CN218912188U CN218912188U CN202222790350.5U CN202222790350U CN218912188U CN 218912188 U CN218912188 U CN 218912188U CN 202222790350 U CN202222790350 U CN 202222790350U CN 218912188 U CN218912188 U CN 218912188U
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Abstract
The utility model discloses a cantilever steel beam structure of a steel platform at the top of a building machine, belonging to the technical field of building machines for buildings; the cantilever steel beam comprises a cantilever steel beam body, wherein the cantilever steel beam body is an I-shaped structural member, the inner side end face of the cantilever steel beam body is fixedly connected with a standard steel beam of a top platform of an aerial building machine, the outer side of the cantilever steel beam body extends obliquely upwards during connection, and an included angle between the bottom of the outer end face of the cantilever steel beam body and the bottom of the inner end face is 0.6-2.2 degrees. The cantilever beam has the advantages that the cantilever beam is simple in structural design and convenient to process, the problem of insufficient load deflection of the cantilever beam is solved under the condition of not increasing the section of the cantilever beam, so that the normal use state of the cantilever beam is ensured, the rising angle of the cantilever beam is eliminated by using the external force of the external hanging construction platform, the problem of inward inclination of the external hanging construction platform formed by downward bending of the cantilever beam is avoided, and the construction safety is improved.
Description
Technical Field
The utility model relates to the technical field of building machines, in particular to a cantilever steel beam structure of a steel platform at the top of a building machine.
Background
The aerial building machine is a device platform and a matched construction technology which are independently researched and developed in China, is an intelligent-control large-scale combined mechanical device platform, and is a cast-in-situ assembly construction technology with excellent quality, controllable period, economic cost and environmental protection.
In the construction of a high-rise building structure, a building machine is used or in top mould equipment, an outer side lower hanging construction platform is hung on a steel beam of a top steel platform, and the outer side lower hanging platform is positioned at the outermost side of the equipment, so that the top platform steel beam is positioned at a cantilever position, the deflection of the steel beam is larger, and the outer side hanging construction platform has the problem of larger inward inclination to influence the construction operation;
the height of the cantilever steel beam which is generally used for connecting the lower hanging construction platform is about 300mm, in order to avoid the problems, some construction parties theoretically modify the height of the cantilever steel beam by 600-700mm, so that the problem that the outer side of the cantilever steel beam is stretched and bent can be avoided, but the height of the steel beam with the length of about 3 meters and the height of 300mm is doubled, and the cost is firstly 2 times higher than that of the original steel beam (the processing and transportation costs are correspondingly increased); in addition, the inner side of the cantilever steel beam is connected with the steel platform at the top of the air building machine through a standardized connecting piece, if the height is modified, the cantilever steel beam is a non-standard piece, and the construction amount is increased, so that the theoretical method is not widely applied.
There is a need to develop a cantilever steel beam structure that can avoid the above problems.
Disclosure of Invention
To solve the defects and the shortages of the prior art; the utility model aims at providing a cantilever steel beam structure of a steel platform at the top of a building machine, which is simple in structure and convenient to install.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the cantilever steel beam comprises a cantilever steel beam body, wherein the cantilever steel beam body is an I-shaped structural member, the inner side end face of the cantilever steel beam body is fixedly connected with a standard steel beam of a top platform of an aerial building machine, the outer side of the cantilever steel beam body extends obliquely upwards during connection, and an included angle between the bottom of the outer end face of the cantilever steel beam body and the bottom of the inner end face is 0.6-2.2 degrees.
Preferably, the distance between the bottom of the outer end surface of the cantilever steel beam body and the horizontal line extending from the bottom of the inner end surface is 50-70 mm.
Preferably, the cantilever steel beam body is a cantilever steel beam of BS700 high-strength steel.
Preferably, the length of the cantilever steel beam body is 3m, and when the center of the externally hung construction platform is positioned at the outer side by 1.8-2.2 m, the drop between the bottom of the outer end surface of the cantilever steel beam body and the bottom of the inner end surface is 55-70 mm.
Preferably, the upper end face and the lower end face of the cantilever steel beam body are provided with corresponding and uniform connecting holes for connecting the externally hung construction platform.
The utility model has the following beneficial effects: the cantilever beam has the advantages that the cantilever beam is simple in structural design and convenient to process, the problem of insufficient load deflection of the cantilever beam is solved under the condition of not increasing the section of the cantilever beam, so that the normal use state of the cantilever beam is ensured, the rising angle of the cantilever beam is eliminated by using the external force of the external hanging construction platform, the problem of inward inclination of the external hanging construction platform formed by downward bending of the cantilever beam is avoided, and the construction safety is improved.
Drawings
For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the present utility model is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic illustration of the utility model in use in a building machine;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is an enlarged partial view of a perspective view of the present utility model;
reference numerals illustrate: the cantilever steel beam body 1, an inner end face 11, an outer end face 12, a standard steel beam 2, a top platform 3 and an externally hung construction platform 4.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.
Referring to fig. 1-3, the following technical solutions are adopted in this embodiment: the cantilever steel beam comprises a cantilever steel beam body 1, wherein the cantilever steel beam body 1 is an I-shaped structural member, an inner end face 11 of the cantilever steel beam body 1 is fixedly connected with a standard steel beam 2 of a top platform 3 of an aerial building machine, the outer side of the cantilever steel beam body 1 extends obliquely upwards during connection, and an included angle between the bottom of an outer end face 12 of the cantilever steel beam body 1 and the bottom of the inner end face 11 is about 1 degrees.
Further, the distance between the bottom of the outer end face 12 of the cantilever steel beam body 1 and the horizontal line extending from the bottom of the inner end face 11 is 50-70 mm.
Further, the cantilever steel beam body 1 is a cantilever steel beam of BS700 high-strength steel.
Further, the upper end face and the lower end face of the cantilever steel beam body 1 are provided with corresponding and uniform connecting holes for connecting an externally hung construction platform.
In this embodiment, the length of the cantilever steel beam body 1 is 3m, and when the center of the externally hung construction platform 4 is 2.2m outside, the drop between the bottom of the outer end surface and the bottom of the inner end surface of the cantilever steel beam body 1 is 60mm. The steel beam structure is made of a high-strength material BS700 steel plate, a connecting end plate is designed to be in a certain inclination for splice welding, the front part of the cantilever beam is tilted upwards by a certain angle when the cantilever beam is connected and fixed with a standard steel beam, and the cantilever end of the cantilever beam is generally 50-70 mm higher than the fixed end according to the load condition of a lower hanging construction platform; therefore, after the construction platform is hung down, the cantilever steel beam is subjected to certain deflection by the weight of the frame body, the upward-rising angle of the cantilever beam can be counteracted, a certain balance effect is achieved, and the situation that the bent cantilever beam in the prior art causes the internal inclination of the externally hung construction platform is avoided.
The cantilever beam of the specific embodiment is simple in structural design and convenient to process, the problem of insufficient load deflection of the cantilever beam is solved under the condition of not increasing the section of the cantilever beam, so that the normal use state of the cantilever beam is ensured, the rising angle of the cantilever beam is eliminated by using the external force of the external construction platform, the problem of inward inclination of the external construction platform formed by downward bending of the cantilever beam is avoided, the stability of the external construction platform is ensured to a certain extent, and the construction safety is improved, and the construction efficiency is also improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. Building machine top steel platform girder construction that encorbelments, its characterized in that: the cantilever steel beam comprises a cantilever steel beam body, wherein the cantilever steel beam body is an I-shaped structural member, the inner side end face of the cantilever steel beam body is fixedly connected with a standard steel beam of a top platform of an aerial building machine, the outer side of the cantilever steel beam body extends obliquely upwards during connection, and an included angle between the bottom of the outer end face of the cantilever steel beam body and the bottom of the inner end face is 0.6-2.2 degrees.
2. The steel cantilever beam structure of a top steel platform of a building machine according to claim 1, wherein: the distance between the bottom of the outer end surface of the cantilever steel beam body and the horizontal line extending from the bottom of the inner end surface is 50-70 mm.
3. The steel cantilever beam structure of a top steel platform of a building machine according to claim 1, wherein: the cantilever steel beam body is a cantilever steel beam of BS700 high-strength steel.
4. The steel cantilever beam structure of a top steel platform of a building machine according to claim 1, wherein: the length of the cantilever steel beam body is 3m, and when the center of the externally hung construction platform is positioned at the outer side by 1.8-2.2 m, the drop between the bottom of the outer end surface of the cantilever steel beam body and the bottom of the inner end surface is 55-70 mm.
5. The steel cantilever beam structure of a top steel platform of a building machine according to claim 1, wherein: corresponding and uniform connecting holes are formed in the upper end face and the lower end face of the cantilever steel beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790350.5U CN218912188U (en) | 2022-10-21 | 2022-10-21 | Building machine top steel platform girder construction that encorbelments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790350.5U CN218912188U (en) | 2022-10-21 | 2022-10-21 | Building machine top steel platform girder construction that encorbelments |
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| Publication Number | Publication Date |
|---|---|
| CN218912188U true CN218912188U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222790350.5U Active CN218912188U (en) | 2022-10-21 | 2022-10-21 | Building machine top steel platform girder construction that encorbelments |
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| Country | Link |
|---|---|
| CN (1) | CN218912188U (en) |
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2022
- 2022-10-21 CN CN202222790350.5U patent/CN218912188U/en active Active
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