CN217268727U - Construction platform is suspended in midair in subway station side wall high altitude of lid top-down construction method - Google Patents
Construction platform is suspended in midair in subway station side wall high altitude of lid top-down construction method Download PDFInfo
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- CN217268727U CN217268727U CN202220418365.6U CN202220418365U CN217268727U CN 217268727 U CN217268727 U CN 217268727U CN 202220418365 U CN202220418365 U CN 202220418365U CN 217268727 U CN217268727 U CN 217268727U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a construction platform is suspended in midair in top-down construction method subway station side wall high altitude is dug to lid, vertical suspension reinforcing bar including two lines of intervals settings, a section of thick bamboo I is inserted to the multilayer, one deck horizontal support bar, one deck running-board and a plurality of safety are a structure of hanging, vertical suspension reinforcing bar is reserved the side wall connecting reinforcement with the top structure and is passed through straight thread muffjoint, a section of thick bamboo I is inserted to the multilayer and is connected on two lines of vertical suspension reinforcing bars, horizontal support bar sets up between two lines of vertical suspension reinforcing bars, both ends at horizontal support bar are equipped with vertical plug, horizontal support bar's vertical plug cartridge is inserting a section of thick bamboo I, insert I rigid coupling of a section of thick bamboo on vertical suspension reinforcing bar, the running-board is laid on horizontal support bar, safety is hung the structural connection on straight thread muffjoint, be connected with multichannel protection horizontal pole between two vertical suspension reinforcing bars that are adjacent in the same line. Adopt the utility model discloses, can construct side wall and medium plate or bottom plate in step, and then shorten construction period.
Description
Technical Field
The utility model relates to a lid digs reverse construction method subway station construction technical field, especially a lid digs reverse construction method subway station side wall high altitude construction platform that suspends in midair.
Background
The basic methods of subway station construction include open cut down-cut method, cover cut down-cut method, mining method and shield method. The construction difficulty of the urban subway station is higher due to the limitation of construction sites, urban traffic and other factors. By adopting the cover-excavation reverse construction method, the occupied time of local construction can be shortened, the traffic pressure can be relieved, and favorable conditions can be created for the construction of a long-term transfer station. The structural characteristics of the cover-excavation top-down subway station are deeply researched, the structural design of the subway station can be optimized, the key technical progress of the cover-excavation top-down construction method can be promoted, and the cover-excavation top-down construction method can be widely applied to urban subway station engineering in China. When the middle plate or the bottom plate steel bars are bound, the same-layer side wall construction platform cannot be erected at the cover-excavation top-down station, construction of the same-layer side wall can be completed after concrete pouring of the middle plate or the bottom plate is completed and the set strength is achieved, construction of the side wall and the middle plate or the bottom plate cannot be carried out synchronously, and accordingly construction period of the station is long.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that exists in the above-mentioned technique and provide a construction platform is suspended in midair to lid and dig reverse construction method subway station side wall high altitude, adopt this platform can be in step construction side wall and medium plate or bottom plate, and then shorten construction period.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a high-altitude suspension construction platform for side walls of subway stations by a cover-excavation top-down method comprises two lines of vertical suspension reinforcing steel bars arranged at intervals, a multilayer insertion cylinder I, a layer of horizontal supporting reinforcing steel bars, a layer of pedal plates and a plurality of safety suspension structures, the vertical suspension reinforcing steel bars are connected with the reserved side wall connecting reinforcing steel bars of the upper structure through straight thread sleeves, the multilayer insertion cylinder I is connected on the two rows of the vertical suspension reinforcing steel bars, the horizontal supporting reinforcing steel bars are arranged between the two rows of the vertical suspension reinforcing steel bars, vertical plugs are arranged at two ends of the horizontal supporting steel bar and inserted into the inserting cylinder I, the inserting cylinder I is fixedly connected to the vertical suspension reinforcing steel bars, the pedal plates are laid on the horizontal supporting reinforcing steel bars, the safety tying and hanging structure is connected to the straight thread sleeve, and a plurality of protective cross rods are connected between the two adjacent vertical hanging steel bars in the same row.
The first layer insert a section of thick bamboo I with straight thread sleeve's vertical distance is 1200 ~ 1400 mm.
Two adjacent layers insert the distance between the section of thick bamboo I and be 600 ~ 1000 mm.
The distance between two adjacent vertical suspension reinforcing bars in front and back is 1500-2000 mm.
The distance between two adjacent upper and lower protection horizontal poles is 300 ~ 500 mm.
Vertical plugs are arranged at two ends of the protective cross rod, the vertical plugs of the protective cross rod are inserted into the insertion barrel II, and the insertion barrel II is fixedly connected to the vertical suspension reinforcing steel bars.
The safety tying and hanging structure is composed of a nut.
The inserting cylinder I and the inserting cylinder II are both composed of connectors.
The utility model has the advantages and positive effects that: when the cover-and-dig top-down construction method is adopted to construct the subway station, the side wall can be constructed synchronously by adopting the platform when a middle plate or a bottom plate is constructed, the construction progress can be accelerated, and the construction period is shortened. A suspension structure connected with the reserved side wall connecting steel bars is adopted, the supporting height of the platform is adjusted by welding the multilayer inserting cylinders I, the structure is simple, the manufacturing is convenient, and the cost is low; the height is adjustable, the use is convenient, and the integral construction of the side wall pre-processing procedure is convenient; the material can be recycled, and the cost is reduced; the main body structure adopts detachable connection, and is convenient to detach and transport; through setting up protection horizontal pole and safety and being a structure of hanging, can guarantee constructor's operation safety, improve the security of engineering construction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a plan view of the present invention;
fig. 3 is a partial schematic view of the right side of the present invention.
In the figure: 1. a side wall connecting steel bar is reserved in the upper structure; 2. a straight threaded sleeve; 3. a safety tying and hanging structure; 4. vertically suspending reinforcing steel bars; 5. an inserting cylinder I; 6. horizontally supporting the reinforcing steel bars; 7. a protective cross bar; 8. inserting a barrel II; 9. a foot pedal.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 3, a subway station side wall high-altitude suspension construction platform based on a cover-and-dig top-down construction method comprises two rows of vertical suspension steel bars 4 arranged at intervals, a plurality of layers of insertion cylinders i 5, a layer of horizontal support steel bars 6, a layer of pedal plates 9 and a plurality of safety suspension structures 3, wherein the vertical suspension steel bars 4 are connected with the reserved side wall connecting steel bars 1 of the upper structure through straight thread sleeves 2, the plurality of layers of insertion cylinders i 5 are connected with the two rows of vertical suspension steel bars 4, the horizontal support steel bars 6 are arranged between the two rows of vertical suspension steel bars 4, vertical plugs are arranged at two ends of the horizontal support steel bars 6, the vertical plugs of the horizontal support steel bars 6 are inserted into the insertion cylinders i 5, the insertion cylinders i 5 are fixedly connected with the vertical suspension steel bars 4, the pedal plates 9 are laid on the horizontal support steel bars 6, the safety suspension structures 3 are connected with the straight thread sleeves 2, and a plurality of protective cross bars 7 are connected between two adjacent vertical suspension reinforcing steel bars 4 in the same row.
The side wall connecting steel bars 1 reserved in the upper structure are top plates of subway stations or side wall connecting steel bars reserved in the upper layer of side wall.
The supporting height of the platform can be adjusted by adjusting the installation positions of the horizontal supporting steel bars 6 and the pedal plates 9.
In the embodiment, in order to facilitate the integral construction of the side wall pre-process, the vertical distance between the first layer of the insertion tube I5 and the straight threaded sleeve 2 is 1200-1400 mm; the distance between two adjacent layers of the inserting cylinders I5 is 600-1000 mm. In order to ensure the construction safety, the distance between two adjacent front and back vertical suspension steel bars 4 is 1500-2000 mm. The distance between two adjacent upper and lower guard rails 7 is 300-500 mm. For the convenience of the disassembly and the transportation of the platform, the two ends of the protective cross rod 7 are provided with vertical plugs, the vertical plug of the protective cross rod 7 is inserted into the insertion barrel II 8, the insertion barrel II 8 is fixedly connected to the vertical suspension reinforcing steel bar 4, and the installation and the disassembly of the protective cross rod can be completed through plugging. The safety tying and hanging structure 3 is composed of nuts, and the nuts are common standard parts on a construction site and are convenient for platform manufacturing. The inserting cylinder I5 and the inserting cylinder II 8 are both formed by connectors which are common connecting pieces on construction sites and are convenient for platform manufacturing.
When the side wall pre-construction platform is used, a self-made ladder is welded at the end part of a construction section of the platform or a movable ladder is utilized, constructors can climb on the platform to carry out the pre-operation of the side wall, including sand cleaning under the reserved side wall, ground-to-wall base surface cleaning and leveling of the enclosure structure, waterproof coiled material laying and the like, and the construction is carried out simultaneously with the construction of the middle plate or the bottom plate.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is in the light of the following claims.
Claims (8)
1. A subway station side wall high-altitude suspension construction platform adopting a cover-excavation top-down construction method is characterized by comprising two lines of vertical suspension reinforcing steel bars arranged at intervals, a plurality of layers of insertion cylinders I, a layer of horizontal support reinforcing steel bars, a layer of pedal plates and a plurality of safety suspension structures, the vertical suspension reinforcing steel bars are connected with the reserved side wall connecting reinforcing steel bars of the upper structure through straight thread sleeves, the multilayer insertion barrels I are connected to the two rows of the vertical suspension reinforcing steel bars, the horizontal supporting reinforcing steel bars are arranged between the two rows of the vertical suspension reinforcing steel bars, vertical plugs are arranged at two ends of the horizontal supporting steel bar and inserted into the inserting cylinder I, the inserting cylinder I is fixedly connected to the vertical suspension reinforcing steel bars, the pedal plates are laid on the horizontal support reinforcing steel bars, the safety tying and hanging structure is connected to the straight thread sleeve, and a plurality of protective cross rods are connected between the two adjacent vertical hanging steel bars in the same row.
2. The cover-and-dig topdown method subway station side wall high-altitude suspension construction platform as claimed in claim 1, wherein a vertical distance between the first layer of said insertion tube I and said straight threaded sleeve is 1200-1400 mm.
3. The cover-and-dig topdown subway station side wall high-altitude suspension construction platform as claimed in claim 2, wherein a distance between two adjacent layers of said inserting cylinders I is 600-1000 mm.
4. The cover-and-dig reverse construction method subway station side wall high-altitude suspension construction platform as claimed in claim 1, wherein a distance between two adjacent front and rear vertical suspension reinforcing bars is 1500-2000 mm.
5. The cover-and-dig topdown subway station side wall high-altitude suspension construction platform as claimed in claim 1, wherein a distance between two adjacent upper and lower protection cross bars is 300-500 mm.
6. The cover-and-dig top-down construction method subway station side wall high-altitude suspension construction platform as claimed in claim 1, wherein vertical plugs are arranged at two ends of the protection cross bar, the vertical plugs of the protection cross bar are inserted into an insertion tube II, and the insertion tube II is fixedly connected to the vertical suspension steel bars.
7. The cover-and-dig reverse construction method subway station side wall high-altitude suspension construction platform as claimed in claim 1, wherein said safety hitching structure is formed by a nut.
8. The cover-and-dig topdown subway station side wall overhead construction platform as claimed in claim 6, wherein said first plug tube and said second plug tube are both formed by connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418365.6U CN217268727U (en) | 2022-02-25 | 2022-02-25 | Construction platform is suspended in midair in subway station side wall high altitude of lid top-down construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418365.6U CN217268727U (en) | 2022-02-25 | 2022-02-25 | Construction platform is suspended in midair in subway station side wall high altitude of lid top-down construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217268727U true CN217268727U (en) | 2022-08-23 |
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ID=82858292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220418365.6U Active CN217268727U (en) | 2022-02-25 | 2022-02-25 | Construction platform is suspended in midair in subway station side wall high altitude of lid top-down construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217268727U (en) |
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2022
- 2022-02-25 CN CN202220418365.6U patent/CN217268727U/en active Active
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