CN220301862U - Temporary supporting structure of high-rise outer overhanging corridor - Google Patents

Temporary supporting structure of high-rise outer overhanging corridor Download PDF

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Publication number
CN220301862U
CN220301862U CN202322245992.1U CN202322245992U CN220301862U CN 220301862 U CN220301862 U CN 220301862U CN 202322245992 U CN202322245992 U CN 202322245992U CN 220301862 U CN220301862 U CN 220301862U
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rise
temporary
building
supporting
jig frame
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CN202322245992.1U
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朱祥亨
李吉铭
王赟
林谷橘
唐如能
刘永财
邓川
甘元凤
蒋俊
周恩翔
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Shenzhen Engineering Co Ltd
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Shenzhen Engineering Co Ltd
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Abstract

The application discloses a high-rise outer cantilever corridor temporary supporting structure, which comprises a jig frame supporting foundation, a profile steel upright post arranged on the jig frame supporting foundation and a construction platform arranged on the profile steel upright post; the top side of bed-jig support basis is connected with tip supporting component, and tip supporting component includes stull portion and bracing portion, and the one end and the building body fixed connection of high-rise building of stull portion, the other end of stull portion hang in the outside of high-rise building body and be provided with a plurality of reinforcing plate, and the one end of bracing portion is provided with the prefabricated plate fixed with the building body of high-rise building, and the other end and the bracing portion of bracing portion are connected. The application has the effect of improving the support strength of the temporary support structure.

Description

Temporary supporting structure of high-rise outer overhanging corridor
Technical Field
The application relates to the field of outer overhanging galleries of high-rise buildings, in particular to an outer overhanging gallery temporary supporting structure.
Background
With rapid development of high-rise buildings, an overhanging corridor is usually arranged at high altitude to meet the requirements of appearance design and fire safety.
In the related art, the large-span steel beam structure is a steel beam foundation of the outer cantilever corridor, and the large-span steel beam structure is hung and installed in a tower crane mode when the outer cantilever corridor is constructed; when hanging the girder steel structure of installation large-span, because girder steel structure is that the segmentation production carries the back and carries out the tower crane and to the position on high-rise again and carry out the segmentation concatenation fixed, consequently need build the interim bearing structure that can supply the constructor to carry in order to assist fixed-position welded fastening multistage girder steel structure basis.
However, some engineering fire-fighting corridors are not clung to a building, the maximum overhanging distance is large, the reliable supporting strength of the end part cannot be ensured by simply supporting the template by means of conventional overhanging engineering steel, and construction risks exist, so that improvement space exists.
Disclosure of Invention
In order to improve the support strength of the temporary support structure, the application provides a high-rise outer cantilever gallery temporary support structure.
The application provides a high layer encorbelments vestibule temporary support structure, adopts following technical scheme:
the utility model provides a high layer encorbelment vestibule temporary support structure, includes bed-jig support basis, installs in the shaped steel stand of bed-jig support basis and installs in the construction platform of shaped steel stand; the construction platform is connected with an end supporting component, the end supporting component comprises a transverse supporting portion and an inclined supporting portion, one end of the transverse supporting portion is fixedly connected with a building body of a high-rise building, the other end of the transverse supporting portion is suspended outside the building body of the high-rise building and is provided with a plurality of reinforcing portions, one end of the inclined supporting portion is provided with a precast slab fixed with the building body of the high-rise building, and the other end of the inclined supporting portion is connected with the transverse supporting portion.
By adopting the technical scheme, the jig frame supporting foundation is used for providing a supporting foundation to support the profile steel upright post and the construction platform at the set height position, and meanwhile, the jig frame supporting foundation acts as a scaffold so as to facilitate construction workers to climb onto the construction platform through the jig frame supporting foundation to perform welding and fixing operation of the multi-section steel beam structure; and the building body of stull portion, bracing portion, high-rise building connects and forms stable triangle-shaped bearing structure, reinforcing construction platform's installation steadiness has improved the support strength of the interim bearing structure of building body tip.
Preferably, a plurality of embedded parts are arranged at the connection part of the cross support part and the building body of the high-rise building, and the cross support part comprises a plurality of cross support plates which are arranged at intervals; the embedded parts and the cross brace plates are arranged in one-to-one correspondence.
Through adopting above-mentioned technical scheme, a plurality of cross bracing plates carry out fixed connection through built-in fitting and high-rise stair to be favorable to strengthening the installation strength of cross bracing plate on high-rise stair.
Preferably, the reinforcement part is an I-shaped steel; the reinforcing part is provided with a plurality of positioning pieces capable of being adjusted in a displacement mode.
By adopting the technical scheme, the reinforced part of the I-shaped steel material is convenient to obtain and connect; and the reinforcing part is used for connecting the cross brace plates and integrally and cooperatively supporting the cross brace parts after connection, so that the supporting force of the temporary supporting structure is improved.
Preferably, the positioning piece comprises a fixed block used for fixing and limiting the flange plate of the reinforcing part, and the fixed block is provided with an upright post; the fixed blocks are provided with a pair; the fixed block comprises a connecting part and an abutting part, the connecting parts of the two fixed blocks are detachably connected, and the abutting parts of the two fixed blocks are bent and arranged and abut against the side wall of the flange plate of the reinforcing part.
By adopting the technical scheme, the upright posts on the fixing blocks are used for being inserted into the round tubes of the frame body of the temporary supporting structure, so that the frame body of the temporary supporting structure is fixed, and the situation that the frame body of the temporary supporting structure moves and slides is effectively prevented; the construction personnel can conveniently install the high-rise steel beam structure, and the construction safety performance can be improved conveniently; the fixed block is in limiting butt joint on the flange plate of the transverse strut plate structural steel through the butt joint part, and the connection strength between the locating piece and the transverse strut part is enhanced through the connecting part.
Preferably, the connecting part is bent, and a first screw hole is formed in one end of the connecting part, which is far away from the abutting part; the fixed block is connected with a tensioning screw rod, and the tensioning screw rod is sequentially connected with the two connecting parts in a threaded mode.
Through adopting above-mentioned technical scheme, two fixed blocks realize dismantling through the tensioning screw and connect to be convenient for install whole setting element in stull portion.
Preferably, the second screw hole is formed in the abutting portion of the fixing block, the fixing block is connected with a compression screw, and the compression screw is in threaded connection with the position of the second screw hole formed in the fixing block and abuts against the inner side wall of the flange plate of the I-shaped steel.
Through adopting above-mentioned technical scheme, the fixed block passes through compression screw butt in the inside wall position of flange plate of the I-shaped steel of reinforcing part, is favorable to carrying out spacing equipment with whole setting element in the settlement position of reinforcing part.
Preferably, a plurality of groups of jig frame supporting foundations are arranged at intervals, and two adjacent groups of jig frame supporting foundations are connected with a connecting support beam; the bottom of bed-jig supporting foundation is provided with the bottom plate roof beam, the bottom plate roof beam with predetermine the buried pre-buried roof beam fixed connection of burying at the construction ground.
Through adopting above-mentioned technical scheme, multiunit bed-jig supports the position that the connection of basis correspondence multistage girder steel structure is fixed and is set for, when the equipment bed-jig supports the basis promptly, can set for the interval distance of two adjacent groups bed-jig support basis based on girder steel structure's segmentation connection distance, if the segmentation length distance of girder steel structure of first festival section is 8 meters. The spacing distance between the two groups of jig frame supporting foundations is 7-8 meters; so as to facilitate the welding and fixing operation of constructors; the base of bed-jig supporting foundation is connected with pre-buried roof beam, is favorable to improving whole bed-jig supporting foundation's installation steadiness.
Preferably, an auxiliary fastening plate which is arranged in a bending way is arranged at the joint of the transverse supporting part and the reinforcing part; one end of the auxiliary fastening plate is fixed with the transverse supporting part; the auxiliary fastening plate is provided with a through hole, the reinforcing part is provided with a pin shaft, and the pin shaft is clamped in the through hole of the auxiliary fastening plate.
Through adopting above-mentioned technical scheme, auxiliary fastening board has strengthened the connection stability between stull portion and the enhancement portion, carries out welded fastening after the through-hole of auxiliary fastening board carries out the butt joint with the round pin axle that sets up on the enhancement portion.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the jig support foundation is used for providing a support foundation to support the profile steel upright posts and the construction platform at a set height position, and meanwhile, the jig support foundation acts as a scaffold so as to facilitate a constructor to enter the construction platform through the jig support foundation to perform welding and fixing operation of the multi-section steel beam structure; the cross bracing part, the inclined bracing part and the building body of the high-rise building are connected to form a stable triangular supporting structure, so that the supporting strength of the temporary supporting structure at the end part of the building body is improved;
2. the transverse strut parts made of the I-shaped steel materials are convenient to obtain and connect, and the upright posts on the fixing blocks are used for being inserted into the round tubes of the frame body of the temporary support structure, so that the frame body of the temporary support structure is fixed, and the frame body of the temporary support structure is effectively prevented from moving and sliding; the construction personnel can conveniently install the high-rise steel beam structure, and the construction safety performance can be improved conveniently; the fixed block is in limit butt joint with the flange plate of the transverse strut plate structural steel through the butt joint part, and the connection strength between the positioning piece and the transverse strut part is enhanced through the connection part;
3. the auxiliary fastening plate strengthens the connection stability between the transverse supporting part and the reinforcing part, and the pin shaft arranged on the reinforcing part is convenient for carrying out welding fixation after the through hole of the auxiliary fastening plate is aligned and clamped.
Drawings
Fig. 1 is a schematic diagram of an overall installation structure of a temporary support structure of a cantilever corridor outside a high-rise layer according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an installation structure of an end support assembly and a construction platform of a temporary support structure of a high-rise outer overhanging gallery according to an embodiment of the application.
Fig. 3 is a partial enlarged view of a in fig. 2.
Fig. 4 is a schematic view of an installation structure of a positioning member of a temporary supporting structure of a cantilever corridor outside a high-rise layer according to an embodiment of the present application.
Reference numerals illustrate:
1. a jig frame supporting foundation; 11. a section steel upright post; 12. connecting a support beam; 13. a floor beam; 2. a construction platform; 3. an end support assembly; 31. a cross brace part; 311. an embedded part; 32. a diagonal bracing portion; 321. a prefabricated plate; 33. a reinforcing part; 4. a positioning piece; 41. a fixed block; 411. a connection part; 412. An abutting portion; 413. tensioning the screw; 414. a compression screw; 34. an auxiliary fastening plate; 35. a pin shaft; 42. and (5) a column.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a high-rise outer encorbelment vestibule temporary support structure. Referring to fig. 1 and 2, the temporary support structure of the high-rise outer overhanging corridor comprises a jig frame support foundation 1, a profile steel upright post 11 arranged at the top of the jig frame support foundation 1 and a construction platform 2 arranged on the profile steel upright post 11; the jig support foundation 1 is a detachably assembled scaffold support structure in the prior art; the construction platform 2 is connected with an end support assembly 3, the end support assembly 3 comprises a cross brace part 31 and an inclined brace part 32, one end of the cross brace part 31 is fixedly connected with a building body of a high-rise building, the other end of the cross brace part 31 is suspended outside the building body of the high-rise building and is provided with a plurality of reinforcing parts 33, one end of the inclined brace part 32 is provided with a precast slab 321 fixed with the building body of the high-rise building, the precast slab 321 is fixedly connected with an embedded bolt, and the embedded bolt is used for being embedded in the building body of the high-rise building in advance; the other end of the diagonal brace portion 32 is connected to the cross brace portion 31; the cross brace part 31, the diagonal brace part 32 and the building body of the high-rise building are connected to form a stable triangular supporting structure, so that the supporting strength of the temporary supporting structure at the end part of the building body of the high-rise building is improved.
Referring to fig. 1, a plurality of groups of jig frame support foundations 1 are arranged at intervals, and the groups of jig frame support foundations 1 are arranged according to an actual construction site; two adjacent groups of jig frame supporting foundations 1 are connected with a connecting supporting beam 12; the bottom of the jig frame supporting foundation 1 is provided with a bottom plate beam 13, and the bottom plate beam 13 is fixedly connected with an embedded beam which is preset to be embedded in the construction ground; in assembling the jig frame support bases 1, the spacing distance between two adjacent groups of the jig frame support bases 1 may be set based on the sectional connection distance of the steel beam structure, for example, the sectional length distance of the steel beam structure of the first section is 8 meters. The first group of jig frame supporting foundations 1 are spaced from the building body of the high-rise building by 7 to 8 meters; so as to facilitate the welding and fixing operation of constructors; the base of the jig frame supporting foundation 1 is connected with the embedded beam, so that the installation stability of the whole jig frame supporting foundation 1 is improved.
Referring to fig. 2, a plurality of embedded pieces 311 are arranged at the connection part of the cross brace 31 and the building body of the high-rise building, the embedded pieces 311 are embedded into the concrete of the building body of the high-rise building in a U shape, the cross brace 31 is fixed through nuts, the reliable fixation of the cross brace 31 is ensured, and the later disassembly is convenient; the embedded part 311 comprises a precast slab 321 which is abutted with the building body of the high-rise building and an embedded bolt which is fixedly connected with the precast slab 321, wherein the embedded bolt is used for being embedded in the building body of the high-rise building in advance; the cross brace portion 31 includes a plurality of cross brace plates arranged at intervals; the embedded pieces 311 are arranged in one-to-one correspondence with the transverse supporting plates; the plurality of cross supporting plates are fixedly connected with the high-rise stairs through the embedded parts 311, so that the mounting strength of the cross supporting plates on the high-rise stairs is improved.
Referring to fig. 2 and 3, the cross brace 31, the diagonal brace 32 and the reinforcement 33 are of an i-steel structure, and the reinforcement 33 made of the i-steel material is conveniently obtained and connected; the reinforcing part 33 is provided with a plurality of positioning pieces 4 which can be adjusted in a displacement way; in this embodiment, two sets of positioning members 4 are disposed on each of the reinforcing portions 33 at intervals, the positioning members 4 include fixing blocks 41 for fixing and limiting on the flange plates of the reinforcing portions 33, and the fixing blocks 41 are provided with columns 42; the upright posts 42 on the fixing blocks 41 are used for being inserted into round tubes (not shown in the figure) of the frame body of the temporary supporting structure, so that the frame body of the temporary supporting structure is fixed, and displacement and sliding of the frame body of the temporary supporting structure are effectively prevented.
Referring to fig. 2 to 4, each set of positioning members 4 is provided with a pair of fixing blocks 41; the fixed block 41 includes a connecting portion 411 and an abutting portion 412; the connecting part 411 is bent, and one end of the connecting part 411, which is far away from the abutting part 412, is provided with a first screw hole; the fixed blocks 41 are connected with tensioning screws 413, and the tensioning screws 413 are sequentially connected with the two connecting parts 411 in a threaded manner, namely the connecting parts 411 of the two fixed blocks 41 are detachably connected; the abutting portions 412 of the two fixing blocks 41 are bent and arranged to abut against the side walls of the flange plates of the reinforcing portion 33; the two fixing blocks 41 are detachably connected by the tightening screw 413, thereby facilitating the installation of the entire positioning member 4 on the cross brace 31.
Referring to fig. 4, the bending portion of the fixing block 41 is bent, a second screw hole is formed in an abutting portion 412 of the fixing block 41, the fixing block 41 is connected with a compression screw 414, and the compression screw 414 is in threaded connection with the fixing block 41 at the position where the second screw hole is formed and abuts against the inner side wall of the flange plate of the industrial steel; the fixing block 41 is abutted to the inner side wall position of the flange plate of the I-shaped steel of the reinforcing part 33 through the compression screw 414, so that the whole positioning piece 4 is limited and assembled at the set position of the reinforcing part 33.
Referring to fig. 2 to 4, an auxiliary fastening plate 34 is provided at the junction of the cross brace 31 and the reinforcement 33; the auxiliary fastening plate 34 is bent in a zigzag shape, and one end of the auxiliary fastening plate 34 is fixed with the cross brace 31; the auxiliary fastening plate 34 is provided with a through hole, the reinforcing part 33 is provided with a pin shaft 35, and the pin shaft 35 is clamped in the through hole of the auxiliary fastening plate 34; the auxiliary fastening plate 34 strengthens the connection stability between the cross brace part 31 and the reinforcing part 33, and the pin shaft 35 arranged on the reinforcing part 33 is convenient for carrying out welding fixation after carrying out alignment clamping on the through hole of the auxiliary fastening plate 34.
The implementation principle of the high-rise outer cantilever vestibule temporary support structure is as follows: the jig support foundation 1 is used for providing a support foundation to support the profile steel upright post 11 and the construction platform 2 at a set height position, and meanwhile, the jig support foundation 1 acts as a scaffold so as to facilitate construction workers to climb into the construction platform 2 through the jig support foundation 1 to perform welding and fixing operations of the multi-section steel beam structure; and the cross brace part 31, the diagonal brace part 32 and the building body of the high-rise building are connected to form a stable triangular support structure, so that the support strength of the temporary support structure at the end part of the building body is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The temporary supporting structure of the high-rise outer overhanging gallery is characterized by comprising a jig frame supporting foundation (1), a profile steel upright post (11) arranged on the jig frame supporting foundation (1) and a construction platform (2) arranged on the profile steel upright post (11); the construction platform (2) is connected with end support assembly (3), end support assembly (3) are including stull portion (31) and bracing portion (32), the one end and the building body fixed connection of high-rise building of stull portion (31), the other end of stull portion (31) is hung in the outside of high-rise building and is provided with a plurality of reinforcing part (33), the one end of bracing portion (32) is provided with prefabricated plate (321) fixed with the building body of high-rise building, the other end of bracing portion (32) with stull portion (31) are connected.
2. The temporary support structure of the high-rise outer overhanging gallery according to claim 1, characterized in that a plurality of embedded parts are arranged at the connection part of the cross brace part (31) and the building body of the high-rise building, and the cross brace part (31) comprises a plurality of cross brace plates arranged at intervals; the embedded parts and the cross brace plates are arranged in one-to-one correspondence.
3. A temporary support structure for a high-rise building, according to claim 1, characterized in that said reinforcement (33) is an i-section steel; the reinforcing part (33) is provided with a plurality of positioning pieces (4) which can be adjusted in a displacement mode.
4. A temporary support structure for a high-rise outer overhanging gallery according to claim 3, characterized in that the positioning member (4) comprises a fixing block (41) for fixing and limiting on the flange plate of the reinforcing portion (33), and the fixing block (41) is provided with a column (42); the fixed block (41) is provided with a pair; the fixed blocks (41) comprise connecting parts (411) and abutting parts (412), the connecting parts (411) of the two fixed blocks (41) are detachably connected, and the abutting parts (412) of the two fixed blocks (41) are bent and arranged and abut against the side walls of the flange plates of the reinforcing parts (33).
5. The temporary support structure of the high-rise outer cantilever corridor of claim 4, wherein the connecting portion (411) is bent, and a first screw hole is formed at one end of the connecting portion (411) away from the abutting portion (412); the fixing block (41) is connected with a tensioning screw rod (413), and the tensioning screw rod (413) is sequentially connected with the two connecting parts (411) in a threaded mode.
6. The temporary supporting structure of the high-rise outer cantilever corridor of claim 4, wherein the abutting portion (412) of the fixing block (41) is provided with a second screw hole, the fixing block (41) is connected with a compression screw (414), and the compression screw (414) is in threaded connection with the fixing block (41) at the position where the second screw hole is provided and abuts against the inner side wall of the flange plate of the I-shaped steel.
7. A temporary support structure for a high-rise outer overhanging gallery according to claim 1, characterized in that, a plurality of groups of the jig frame support foundations (1) are arranged at intervals, and two adjacent groups of the jig frame support foundations (1) are connected with a connecting support beam (12); the bottom of the jig frame supporting foundation (1) is provided with a bottom plate beam (13), and the bottom plate beam (13) is fixedly connected with a pre-buried beam which is preset to be buried on the construction ground.
8. A temporary support structure for a high-rise outer overhanging gallery according to claim 3, characterized in that an auxiliary fastening plate (34) is provided at the junction of the cross brace (31) and the reinforcing part (33); one end of the auxiliary fastening plate (34) is fixed with the transverse supporting part (31); the auxiliary fastening plate (34) is provided with a through hole, the reinforcing part (33) is provided with a pin shaft (35), and the pin shaft (35) is clamped in the through hole of the auxiliary fastening plate (34).
CN202322245992.1U 2023-08-19 2023-08-19 Temporary supporting structure of high-rise outer overhanging corridor Active CN220301862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322245992.1U CN220301862U (en) 2023-08-19 2023-08-19 Temporary supporting structure of high-rise outer overhanging corridor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322245992.1U CN220301862U (en) 2023-08-19 2023-08-19 Temporary supporting structure of high-rise outer overhanging corridor

Publications (1)

Publication Number Publication Date
CN220301862U true CN220301862U (en) 2024-01-05

Family

ID=89351407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322245992.1U Active CN220301862U (en) 2023-08-19 2023-08-19 Temporary supporting structure of high-rise outer overhanging corridor

Country Status (1)

Country Link
CN (1) CN220301862U (en)

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