CN114016720A - Construction structure and construction method of shaft operation platform - Google Patents
Construction structure and construction method of shaft operation platform Download PDFInfo
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- CN114016720A CN114016720A CN202111105669.3A CN202111105669A CN114016720A CN 114016720 A CN114016720 A CN 114016720A CN 202111105669 A CN202111105669 A CN 202111105669A CN 114016720 A CN114016720 A CN 114016720A
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- operation platform
- hoistway
- well
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- 238000010276 construction Methods 0.000 title claims abstract description 62
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 238000009415 formwork Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 150000001398 aluminium Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a construction structure of a well operation platform and a construction method thereof. The building body is provided with a well, and an aluminum film K plate is arranged on the inner wall of the well; the operation platform has fore-stock body, back supporter and connects the platform body between fore-stock body and back supporter, the fore-stock supporter supports on the aluminium membrane K board, the back supporter supports on the concrete structure board of building body, the platform body is located the well middle part, at least shutoff part the cross section of well. The aluminum mould K plate which is just moulded on the building and the concrete structural plate of the building body are utilized to support and build a supporting platform for shielding the shaft, so that the arrangement of a support is omitted, the installation is very convenient, and the production cost of the shaft operating platform is greatly reduced; at least part of the plugging part blocks the cross section of the well, and construction personnel are prevented from falling, so that the construction safety factor is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction structure of a shaft operating platform and a construction method thereof.
Background
In recent years, with the improvement of living standard of people, the pace of urban construction is increasing, and the construction land is more and more tense. In order to effectively relieve the situation of shortage of construction land, people continuously develop high-rise buildings, so that the land is effectively saved. The high-rise building design has a horizontal hole for designing a small-sized well, and an aluminum alloy combined template support system is adopted for construction. When the main structure is constructed, the building is higher, the opening size is smaller, and the main structure is not easy to protect during the construction on site.
Therefore, the research on the small-sized well protection technology which can improve the construction operation efficiency, save the construction cost, improve the construction safety factor and reduce the potential safety hazard has great practical significance for guiding construction.
Therefore, it is necessary to provide a construction structure of a shaft operation platform, aiming to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, provide the construction structure of the shaft operating platform and the construction method thereof, improve the construction safety factor, and have convenient installation and low cost.
A first object of the present application is to provide a hoistway operation platform construction structure, including:
the building comprises a building body, a first insulating layer and a second insulating layer, wherein the building body is provided with a hoistway, and an aluminum film K plate is arranged on the inner wall of the hoistway;
operation platform, operation platform has fore-stock body, back supporter and connects the platform body between fore-stock body and back supporter, the fore-stock body supports on the aluminium membrane K board, the back supporter supports on the concrete structure board of building body, the platform body is located well middle part, at least shutoff part the cross section of well.
Optionally, the aluminum film K plate comprises a main plate body, an upper side wing and a lower side wing, the upper side wing is connected with the upper edge of the main plate body, the lower side wing is connected with the lower side wing of the main plate body, and the front support body is supported on the lower side wing.
Optionally, a plurality of first connection holes are formed in the lower side wings, a plurality of second connection holes are formed in the front support, and one end of the pin penetrates through the corresponding second connection hole and is inserted into the first connection hole.
Optionally, the aluminium membrane K board sets up the splice bar that extends along width direction, the splice bar is connected respectively go up flank and downside wing, preceding supporter corresponds the splice bar sets up dodges the breach.
Optionally, the rear supporter includes a vertical frame vertically connected to the platform main body and a horizontal frame connected to the vertical beam, and the horizontal frame is supported on the concrete structural slab.
Optionally, the platform main body includes a platform frame and a steel plate connected to the platform frame.
A second object of the present application is to provide a construction method of the hoistway operating platform construction structure, including:
s1, welding and manufacturing an operation platform according to construction design requirements;
step S2, removing the floor aluminum formwork after concrete pouring, and leaving the aluminum formwork K plate on the well way port of the current construction floor without removing;
step S3, installing the operation platform on the shaft opening of the current floor;
and step S4, binding steel bars and assembling the aluminum alloy combined template on the operation platform by constructors.
Optionally, step S3 includes the following steps:
step S31, forming a plurality of first connecting holes on the lower side wing of the aluminum film K plate at intervals along the length direction;
step S32, supporting the front supporting body of the operation platform on the lower side wing, and supporting the rear supporting body of the operation platform on the concrete structural slab of the building body;
and step S33, finely adjusting the position of the operating platform to enable the positions of the second connecting holes and the first connecting holes on the front support body to be in one-to-one correspondence, and enabling one ends of the pins to penetrate through the second connecting holes to be connected to the first connecting holes.
Optionally, step S1 includes:
step S11, manufacturing a platform body: determining the number of main keels, the number of secondary keels, the spacing between adjacent main keels and the spacing between adjacent secondary keels according to the size of the cross section of the hoistway, sequentially arranging the main keels, placing the secondary keels in a direction perpendicular to the main keels, and welding and fixing the main keels and the secondary keels;
step S12, assembly of front and rear supports: and a second connecting hole is formed in the front support body, the front support body is welded on one side of the platform body, and the rear support body is welded on the other side of the platform body.
Optionally, in step S11, determining the size of the steel plate according to the cross-sectional size of the hoistway, and connecting and fixing the steel plate with the cross runners by fasteners.
By adopting the technical scheme, the invention has the following beneficial effects:
the utility model provides a well operation platform construction structures utilizes this aluminium mould K board and the concrete structure board of building body that just moulds on the building to support and builds the supporting platform who shields the well, has saved the setting of supporter to it is very convenient to install, and greatly reduced this well operation platform's manufacturing cost. This well operation platform blocks part at least the cross section of well is convenient for personnel stand and is under construction around this well operation platform to prevent constructor from falling, improve construction safety factor.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic plan view of the construction structure of the shaft operating platform according to the present invention after installation;
fig. 2 is a schematic view of a bottom view of a construction structure of a shaft operation platform according to the present invention;
fig. 3 is a front view of a construction structure of a shaft operation platform according to the present invention.
In the figure, a building body 1, a hoistway 11, a concrete structural slab 12, an operation platform 2, a front support body 21, a first support piece 211, a second support piece 212, a rear support body 22, a vertical frame 221, a horizontal frame 222, a platform body 23, a platform frame 231, a steel plate 232, a main keel 233, a secondary keel 234, an end connecting beam 235, an escape notch 24, an aluminum film K plate 3, an upper side wing 31, a lower side wing 32, and a connecting rib 33 are shown.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, an embodiment of the present application provides a hoistway operation platform construction structure, including a building body 1 and an operation platform 2. The building body 1 is provided with a well 11, and an aluminum film K plate 3 is arranged on the inner wall of the well 11. Operation platform 2 has preceding supporter 21, back supporter 22 and connects the platform body 23 between preceding supporter 21 and back supporter 22, preceding supporter 21 supports on aluminium membrane K board 3, back supporter 22 supports on the concrete structure board 12 of building body 1, platform body 23 is located well 11 middle part, at least shutoff part the cross section of well 11.
The regularization well 11 operation platform 2 that the cooperation aluminium mould K board of this application used utilizes this aluminium mould K board and the concrete structure board 12 of building body 1 that just moulds on the building to support and build the supporting platform who shields well 11, has saved the setting of supporter to it is very convenient to install, and greatly reduced this 11 operation platform 2's of well manufacturing cost. This 11 operation platform of well 2 blocks off part at least the cross section of well 11 is convenient for personnel stand and is being under construction around this 11 operation platform of well 2 to prevent constructor from falling, improve construction safety factor. And this regularization well 11 operation platform 2 that cooperates the use of aluminium mould K board simple structure, small and light, the transportation of being convenient for, the job site satisfies artifical transport, practices thrift artifical and mechanical cost, satisfies the many times turnover of on-the-spot building floor, and economic benefits is obvious.
In a possible embodiment, the aluminum film K plate 3 comprises a main plate body, an upper side wing 31 and a lower side wing 32, the upper side wing 31 is connected to the upper edge of the main plate body, the lower side wing 32 is connected to the lower side wing 32 of the main plate body, and the front support 21 is supported on the lower side wing 32. So set up, be the formula of sinking when using after making 11 operation platform 2 installations of well, it is more convenient to stand on it to the connection structure of preceding supporter 21 and lower side wing 32 also sinks in the well, and collision connection structure makes its inefficacy cause danger when avoiding carrying on other constructions.
In a possible embodiment, the lower lateral wing 32 is provided with a plurality of first coupling holes, the front support 21 is provided with a plurality of second coupling holes, and one end of a pin is inserted into the first coupling holes through the corresponding second coupling holes. The hoistway 11 operation platform 2 of this application only can receive downward power when using, can not receive upward power, consequently connects the structure of the hoistway 11 operation platform 2 that is particularly suitable for this application through the mode of pin connection to it is more convenient to connect and dismantle.
In a possible embodiment, the aluminum film K plate 3 is provided with a connecting rib 33 extending along the width direction, the connecting rib 33 is respectively connected with the upper side wing 31 and the lower side wing 32, the connecting rib 33 increases the overall strength of the aluminum film K plate 3, and the upper side wing 31 and the lower side wing 32 are connected and pulled to prevent deformation and bending. The front support body 21 is provided with the avoidance notch 24 corresponding to the connecting rib 33, so that the installation is stable and convenient.
In one possible embodiment, the rear support 22 comprises a vertical frame 221 connecting the platform body vertically and a horizontal frame 222 connecting the vertical beams, the horizontal frame 222 being supported on the concrete structural slab 12. The horizontal frame 222 is supported on the concrete structural slab 12, and the vertical frame 221 extends downward along the hoistway 11, so that the platform main body is horizontal, and people can stand conveniently for other construction operations.
In one possible embodiment, the platform body includes a platform frame 231 and a steel plate 232 coupled to the platform frame 231. The platform frame 231 serves as the primary support and the steel plate 232 facilitates personnel to stand.
In a possible embodiment, the platform body 23 is rectangular, the front supporter 21 is disposed on one side of the platform body 23, and the front supporter 21 and the platform frame 231 are fixedly connected. The rear supporter 22 is disposed on the other side of the platform body 23 opposite to the front supporter 21, the vertical frame 221 is fixedly connected to the horizontal frame 222, the horizontal frame 222 is connected to the top end of the vertical frame 221, and the vertical frame 221 is perpendicular to the horizontal frame 222.
In a possible embodiment, the platform body 23 includes a plurality of main runners 233 and a plurality of cross runners 234, each main runner 233 is sequentially arranged at intervals, each cross runner 234 is connected to the main runner 233, each cross runner 234 is sequentially arranged along the length direction of the main runner 233, and the cross runners 234 are arranged along the direction perpendicular to the main runners 233 in an extending manner. The main runners 233 and the cross runners 234 are overlapped to form a net-shaped support structure, so that the support structure is more stable. The personnel are safer when standing up for construction.
In one possible embodiment, the main runners 233 and the cross runners 234 are both steel tubes having rectangular cross sections. The contact area between the rectangular steel pipes is larger, so that the connection is more stable, and the connection is more convenient.
In a possible embodiment, the platform body 23 further comprises two end connection beams 235, the end connection beams 235 are perpendicular to the cross runners 234, and the two end connection beams 235 are respectively connected to the ends of the same side of each cross runner 234. The end connecting beam 235 integrally seals the end parts of the multiple secondary keels 234, prevents the ends of the secondary keels 234 from being hung and bumped to shake, and further improves the structural stability.
In one possible embodiment, the profiled steel sheet 232 covers the cross runners 234, and the profiled steel sheet 232 is connected and fixed to the cross runners 234 by fasteners. The main runner 233 is connected to the side of the cross runners 234 remote from the profiled sheet 232.
In one possible embodiment, the steel plate 232 is stamped to form a plurality of upper protruding strips, and the upper protruding strips are parallel. The strength of the steel plate 232 can be increased by arranging the upper convex strips, and the bearing property and the shape retention property are better.
In a possible embodiment, the front support 21 includes a first support sheet 211 and a second support sheet 212, the first support sheet 211 and the second support sheet 212 are perpendicularly connected, the second support sheet 212 is perpendicular to the plane of the platform body 23, and the second support sheet 212 is connected to the platform body 23. When the support device is installed and used, the first support sheet 211 is supported on an aluminum film K plate 3 arranged on the inner wall of the well 11, and the front support body 21 is bent into an L shape by adopting the same plate, so that the structure is firmer.
In one possible embodiment, the second support piece 212 and one of the cross runners 234 are welded. The welding intensity is higher on fossil fragments, and is firm better.
Example two
Referring to fig. 1 to 3, an embodiment of the present application provides a construction method of a construction structure of an operation platform 2 of a hoistway 11 according to a first embodiment, including:
step S1, welding and manufacturing the operation platform 2 according to the construction design requirement;
step S2, removing the floor aluminum formwork after concrete pouring, and leaving the aluminum formwork K plate on the 11 port of the current construction floor shaft without removing;
step S3, mounting the operation platform 2 on the shaft 11 port of the current floor;
and step S4, binding the steel bars and assembling the aluminum alloy combined template on the operation platform 2 by constructors.
So, 11 operation platform 2 shutoff of well is on 11 mouths of well, great improvement the factor of safety of construction, and the personnel of also being convenient for carry out other constructions above standing to increase the efficiency of construction effect.
Optionally, step S3 includes the following steps:
step S31, forming a plurality of first connection holes on the lower side wing 32 of the aluminum film K plate 3 at intervals along the length direction;
step S32, supporting the front support 21 of the operation platform 2 on the lower side wing 32, and supporting the rear support 22 of the operation platform 2 on the concrete structural slab 12 of the building body 1;
step S33, fine-tuning the position of the operation platform 2 to make the positions of the second connection holes and the first connection holes on the front support 21 correspond to each other, and connecting one end of the pin to the first connection holes through the second connection holes.
So, only need the structure that originally had on the construction structures to support operation platform 2, spacing through the pin can, need not additionally to set up connection structure for simple structure low cost, it is convenient to assemble.
In one possible embodiment, step S1 includes:
step S11, manufacturing of the platform body 23: determining the number of the main keels 233, the number of the secondary keels 234, the distance between the adjacent main keels 233 and the distance between the adjacent secondary keels 234 according to the cross-sectional dimension of the hoistway 11, sequentially arranging the main keels 233, placing the secondary keels 234 in the direction perpendicular to the main keels 233, and welding and fixing the main keels 233 and the secondary keels 234;
step S12, assembly of front support 21 and rear support 22: a second connection hole is formed in the front support 21, the front support 21 is welded to one side of the platform body 23, and the rear support 22 is welded to the other side of the platform body 23.
The manufacturing process of the platform body 23 is simple and convenient, the main keel 233 and the secondary keel 234 are vertically connected, the structure is more stable, the structure is simple, the production process is not complex, and the cost is further reduced.
In a possible embodiment, in step S11, the method further includes determining the size of the steel plate 232 according to the cross-sectional size of the hoistway 11, and fixing the steel plate 232 to the cross runners 234 by fasteners. Make 232 sizes of steel sheet slightly less than the cross section size of well 11, guarantee can the level put into well 11 in, can cover well 11 cross section again as far as possible, prevent that personnel from falling, be convenient for stand, guarantee construction safety and efficiency.
In a possible embodiment, in step S12, the method further includes forming an avoiding notch 24 corresponding to the connecting rib 33, so as to facilitate avoiding the connecting rib 33, and make the assembly more convenient.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Well operation platform construction structures, its characterized in that includes:
the building comprises a building body, a first insulating layer and a second insulating layer, wherein the building body is provided with a hoistway, and an aluminum film K plate is arranged on the inner wall of the hoistway;
operation platform, operation platform has fore-stock body, back supporter and connects the platform body between fore-stock body and back supporter, the fore-stock body supports on the aluminium membrane K board, the back supporter supports on the concrete structure board of building body, the platform body is located well middle part, at least shutoff part the cross section of well.
2. The construction structure of a hoistway operation platform according to claim 1, wherein the aluminum film K plate includes a main plate body, an upper wing and a lower wing, the upper wing is connected to an upper edge of the main plate body, the lower wing is connected to the lower wing of the main plate body, and the front supporter is supported on the lower wing.
3. The construction structure of an operation platform in a hoistway as claimed in claim 2, wherein a plurality of first coupling holes are formed in the lower side wing, a plurality of second coupling holes are formed in the front supporter, and one end of a pin is inserted into the first coupling holes through the corresponding second coupling holes.
4. The construction structure of the hoistway operation platform as claimed in claim 3, wherein the aluminum film K plate is provided with a connecting rib extending in the width direction, the connecting rib is connected with the upper side wing and the lower side wing respectively, and the front support body is provided with an avoiding notch corresponding to the connecting rib.
5. The hoistway operating platform construction structure of claim 2, wherein the rear support body comprises a vertical frame vertically connecting the platform body and a horizontal frame connecting the vertical beams, the horizontal frame being supported on the concrete structural slab.
6. The hoistway operating platform construction structure of claim 1, wherein the platform body comprises a platform frame and a steel plate connected to the platform frame.
7. A construction method of a construction structure of an operation platform of a hoistway according to any one of claims 1 to 6, comprising:
s1, welding and manufacturing an operation platform according to construction design requirements;
step S2, removing the floor aluminum formwork after concrete pouring, and leaving the aluminum formwork K plate on the well way port of the current construction floor without removing;
step S3, installing the operation platform on the shaft opening of the current floor;
and step S4, binding steel bars and assembling the aluminum alloy combined template on the operation platform by constructors.
8. The construction method according to claim 7, wherein the step S3 includes the steps of:
step S31, forming a plurality of first connecting holes on the lower side wing of the aluminum film K plate at intervals along the length direction;
step S32, supporting the front supporting body of the operation platform on the lower side wing, and supporting the rear supporting body of the operation platform on the concrete structural slab of the building body;
and step S33, finely adjusting the position of the operating platform to enable the positions of the second connecting holes and the first connecting holes on the front support body to be in one-to-one correspondence, and enabling one ends of the pins to penetrate through the second connecting holes to be connected to the first connecting holes.
9. The construction method according to claim 7, wherein step S1 includes:
step S11, manufacturing a platform body: determining the number of main keels, the number of secondary keels, the spacing between adjacent main keels and the spacing between adjacent secondary keels according to the size of the cross section of the hoistway, sequentially arranging the main keels, placing the secondary keels in a direction perpendicular to the main keels, and welding and fixing the main keels and the secondary keels;
step S12, assembly of front and rear supports: and a second connecting hole is formed in the front support body, the front support body is welded on one side of the platform body, and the rear support body is welded on the other side of the platform body.
10. The construction method according to claim 9, wherein in step S11, the method further comprises determining the size of the steel plate according to the cross-sectional size of the hoistway, and connecting and fixing the steel plate with the cross runners by fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111105669.3A CN114016720A (en) | 2021-09-22 | 2021-09-22 | Construction structure and construction method of shaft operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111105669.3A CN114016720A (en) | 2021-09-22 | 2021-09-22 | Construction structure and construction method of shaft operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114016720A true CN114016720A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111105669.3A Pending CN114016720A (en) | 2021-09-22 | 2021-09-22 | Construction structure and construction method of shaft operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114016720A (en) |
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2021
- 2021-09-22 CN CN202111105669.3A patent/CN114016720A/en active Pending
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Application publication date: 20220208 |