CN112942790A - Cantilever climbing device and construction method of cantilever structure - Google Patents
Cantilever climbing device and construction method of cantilever structure Download PDFInfo
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- CN112942790A CN112942790A CN202110379080.6A CN202110379080A CN112942790A CN 112942790 A CN112942790 A CN 112942790A CN 202110379080 A CN202110379080 A CN 202110379080A CN 112942790 A CN112942790 A CN 112942790A
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- 230000009194 climbing Effects 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 2
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000003993 interaction 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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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Abstract
The invention belongs to the technical field of building construction, and discloses an overhanging climbing device and a construction method of an overhanging structure, wherein the overhanging climbing device comprises an operating platform, an upright post and a climbing frame, and the operating platform is fixedly arranged on the next layer of a first overhanging structure layer; the plurality of upright columns are vertically arranged along the same direction, and two ends of each upright column are detachably connected with two adjacent cantilever structures; the climbing frame comprises a truss main body, a guide support system and a power lifting system, wherein the guide support system is configured to guide the truss main body to move along the length direction of the upright post; the power lifting system can drive the truss main body to move up and down between the two adjacent cantilever structures. The overhanging climbing device is attached to the outer vertical surface of an overhanging structure, moves up and down between adjacent overhanging structural layers, has strong wind resistance and can effectively ensure the life safety of construction personnel. The invention discloses a construction method of an overhanging structure, which uses the overhanging climbing device to improve the working efficiency and shorten the construction period of a high-rise structure building.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an overhanging climbing device and a construction method of an overhanging structure.
Background
In the high-rise building construction process, the outer facade of structure often can be provided with the structure of encorbelmenting for the structure outline changes, leads to climbing the frame and can't be attached to the outer facade of structure, can not realize wholly climbing upwards. In the conventional method, a climbing frame at the position of an overhanging structure is disassembled and dismantled, then an overhanging scaffold is built for upward protection, but the higher the number of layers of a high-rise building is, the larger the wind load borne by the overhanging scaffold is, the lower the wind resistance is, the poor stability is, and the life safety of field constructors is seriously influenced.
Disclosure of Invention
The invention aims to provide an overhanging climbing device and a construction method of an overhanging structure. The construction method of the cantilever structure uses the cantilever climbing device, so that the operation efficiency is high, and the construction period of a high-rise structure building is shortened.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a cantilevered climbing device is provided, comprising:
the operating platform is fixedly arranged on the next layer of the first cantilever structure layer;
the plurality of upright columns are vertically arranged along the same direction, and two ends of each upright column are detachably connected with two adjacent cantilever structures; and
climb the frame, climb the frame and include:
a truss body;
a guide support system configured to guide the truss body to move along the length of the column; and
and the power lifting system can drive the truss main body to move up and down between the two adjacent cantilever structures.
As a preferred structure of the invention, the power lifting system comprises a lifting hanging seat, a lifting device and a middle-node lifting point, the lifting hanging seat is detachably mounted on the upright column, the lifting device comprises a driving device and a chain, an upper hanging frame and a lower hanging frame are arranged on the truss main body at intervals along the vertical direction, the chain is wound on the upper hanging frame and the lower hanging frame, and the middle-node lifting point is fixedly mounted on the chain and clamped with the lifting hanging seat; the driving device is fixedly arranged on the truss main body and can drive the chain to move.
As a preferred structure of the invention, the guide support system comprises a guide rail and a wall-attached support, wherein the guide rail is fixedly arranged on one side of the truss main body close to the overhanging structure; the wall attaching support is detachably connected with the upright column, the wall attaching support is provided with idler wheels, and the idler wheels are arranged on the guide rail in a rolling mode.
As a preferable structure of the invention, the guide support system also comprises an anti-falling device and an elastic piece, one end of the anti-falling device is rotatably arranged on the wall-attached support, and the other end of the anti-falling device is provided with a support head; one end of the elastic piece is fixedly connected with the wall-attached support, and the other end of the elastic piece is fixedly connected with the anti-falling device; the guide rail orientation one side of stand transversely is provided with a plurality of joint spare, and is a plurality of the joint spare is parallel and the interval sets up, hoisting device drives when the truss main part is promoted, support the head can with joint spare joint is fixed the truss main part.
As a preferable configuration of the present invention, a protective net is provided on the outer periphery of the truss main body.
As a preferable structure of the invention, the wall-mounted building structure further comprises a connecting component, and two ends of the connecting component are fixedly connected with the upright post and the wall body.
As a preferred structure of the invention, the power lifting system further comprises an intelligent monitoring system, wherein the intelligent monitoring system is used for carrying out real-time safety monitoring on the truss main body and controlling the start and stop of the power lifting system.
On the other hand, the construction method of the cantilever structure uses the cantilever climbing device, and comprises the following steps:
s1, building an operation platform, and completing pouring of the first cantilever structure layer;
s2, pouring a common structural layer, and building the upright posts layer by layer;
s3, after the multiple common structural layers are poured, pouring a layer where the upper cantilever structure is located, wherein two ends of the stand column are fixedly installed on the two adjacent cantilever structures;
s4, mounting the climbing frame on the upright post;
s5, starting the power lifting system to drive the truss main body to climb to the designated position;
and S6, repeating the steps S2-S5 until the pouring of all cantilever structure layers is completed.
As a preferable aspect of the present invention, in step S2, a plurality of diagonal draw bars and wales are installed between the column and the wall.
As a preferable embodiment of the present invention, the step S6 further includes detaching the upright post between two adjacent overhanging structure layers over which the truss body climbs.
The invention has the beneficial effects that: the overhanging climbing device is built on an overhanging structure, can be attached to the outer vertical surface of the overhanging structure and can move up and down between adjacent overhanging structure layers, and the overhanging climbing device has strong wind resistance, good stability and strong safety and can effectively ensure the life safety of high-rise building constructors. In addition, the invention also provides a construction method of the cantilever structure, the cantilever climbing device is used, the operation efficiency is high, and the construction period of the high-rise structure building is shortened.
Drawings
FIG. 1 is a schematic structural view of a cantilever climbing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a column according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view at A of FIG. 1;
FIG. 4 is a schematic view of a portion of a cantilevered climbing device according to an embodiment of the present invention;
fig. 5 is a partial structural schematic view of a wall-attached support according to an embodiment of the present invention.
In the figure:
1. an operating platform;
2. a column;
3. climbing a frame; 31. a truss body; 32. a guide rail; 33. a wall-attached support; 34. the anti-falling device; 341. a support head; 35. lifting the hanging seat; 36. a middle node hoisting point;
100. a cantilever structure; 101. a first cantilever structure layer; 200. a wall body; 300. and (5) common structural layers.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-5, the invention provides an overhanging climbing device, which comprises an operating platform 1, an upright post 2 and a climbing frame 3, wherein the operating platform 1 is fixedly arranged on a common structural layer 300 at the next layer of a first overhanging structural layer 101, plays a role in supporting, and simultaneously reserves enough construction space for the installation of the subsequent upright post 2 and the climbing frame 3; the vertical columns 2 are arranged vertically along the same direction, two ends of each vertical column 2 are detachably connected with two adjacent cantilever structures 100, one vertical column 2 is arranged between the two adjacent cantilever structures 100, each vertical column 2 is formed by fixedly connecting multiple sections of small vertical columns, the vertical columns 2 with proper length can be assembled according to the actual distance between the two adjacent cantilever structures 100, one end of each vertical column 2 is provided with a back-jacking device which is used for compensating the gap between the cantilever structures 100 and the vertical column 2, so that the vertical columns 2 are jacked between the two cantilever structures 100, and the connection strength of the vertical columns 2 and the cantilever structures 100 is enhanced; the climbing frame 3 comprises a truss main body 31, a guiding and supporting system and a power lifting system, wherein the guiding and supporting system plays a role in guiding and supporting to enable the truss main body 31 to slide along a fixed direction, and meanwhile, the guiding and supporting system can also prevent the truss main body 31 from falling, so that the safety is enhanced; the power lifting system can drive the truss main body 31 to move up and down between two adjacent overhanging structures 100.
Specifically, as shown in fig. 4, the power lifting system includes a lifting hanging seat 35, a lifting device and a middle-node lifting point 36, wherein the lifting hanging seat 35 is detachably mounted on the upright post 2; lifting device includes drive arrangement and chain, truss main part 31 is provided with stores pylon and lower stores pylon along vertical direction interval, the chain is around locating on stores pylon and the lower stores pylon, 36 fixed mounting in chain of well festival hoisting point, and hang seat 35 joint with the promotion, preferably, promote to hang and be provided with the recess on the seat 35, 36 joints of well festival hoisting point are in promoting to hang the recess of seat 35, drive arrangement fixed mounting is on truss main part 31, the chain is around stores pylon and lower stores pylon cyclic movement when drive arrangement starts, well festival hoisting point 36 on the chain also removes thereupon, because well festival hoisting point 36 and the recess joint that the seat 35 was hung in the promotion, make truss main part 31 receive the reaction force and then upwards or move downwards. The driving device in this embodiment is preferably an electric hoist, and may be another type of driving device, which is not illustrated in this embodiment.
Specifically, as shown in fig. 3, the guiding and supporting system includes a guide rail 32 and a wall-attached support 33, the guide rail 32 is fixedly installed on one side of the truss main body 31 close to the overhanging structure 100; the wall attaching support 33 is detachably connected with the upright post 2, and rollers are arranged on the wall attaching support 33 and are arranged on the guide rails 32 in a rolling manner. In this embodiment, as shown in fig. 5, sliding rails are disposed on two sides of the guide rail 32, a connecting frame with a U-shaped structure is disposed at one end of the wall-attached support 33, a U-shaped opening of the connecting frame faces the guide rail 32, and two sets of rollers are disposed at the opening of the U-shaped connecting frame and are respectively installed in the sliding rails on two sides of the guide rail 32 in a rolling manner to perform a guiding function.
Specifically, the guiding and supporting system further comprises an anti-falling device 34 and an elastic element, one end of the anti-falling device 34 is rotatably mounted on the wall-attached support 33, and the other end is provided with a supporting head 341; one end of the elastic part is fixedly connected with the wall-attached support 33, the other end of the elastic part is transversely provided with a plurality of clamping parts with one side of the anti-falling device 34 fixedly connected with the guide rail 32 facing the upright post 2, the clamping parts are arranged in parallel and at intervals, and when the lifting device drives the truss main body 31 to lift, the supporting head 341 can be clamped with the clamping parts to fix the truss main body 31. In this embodiment, the supporting head 341 is provided with a clamping groove, the middle portion of the guide rail 32 is provided with a plurality of parallel rod-shaped clamping members at intervals, when the truss body 31 moves upwards, the clamping members are firstly abutted against the side wall of the supporting head 341, and the supporting head 341 returns to the original position under the action of the elastic member after rotating by a certain angle along the counterclockwise direction of fig. 4, so that the clamping members slide into the clamping groove to fix the truss body 31, thereby preventing the truss body 31 from falling.
Specifically, a protective net is provided around the truss body 31 to prevent a constructor from falling from a high place.
Specifically, the wall body structure further comprises a connecting component, and two ends of the connecting component are fixedly connected with the upright post 2 and the wall body 200. In this embodiment, coupling assembling includes diagonal draw bar and stull, one end and wall body 200 fixed connection, the other end and stand 2 fixed connection, further strengthens stand 2's stability, also strengthens the high altitude wind load ability of climbing device that encorbelments.
Specifically, the system further comprises an intelligent monitoring system, wherein the intelligent monitoring system is used for carrying out real-time safety monitoring on the truss main body 31 and controlling the start and stop of the power lifting system. In the embodiment, the intelligent monitoring system mainly adopts a computer to automatically and safely monitor the lifting process of the overhanging climbing device in real time, automatically stops and alarms when an abnormality is found, has automatic and manual control automatic switching functions, and can select the automatic control of the computer or the manual control of the start and stop of the power lifting system according to the field operation condition.
In addition, the invention also provides a construction method of the cantilever structure, which uses the cantilever climbing device and comprises the following steps:
s1, constructing an operation platform 1, and completing pouring of the first cantilever structure layer 101;
in this step, after the operation platform 1 is built on the common structural layer 300, the first cantilever structural layer 101 is poured (including pouring of the cantilever structure 100 and the peripheral wall 200 thereof), and the pre-embedding of the columns 2 is completed during pouring.
S2, pouring a common structural layer 300, and building the upright posts 2 layer by layer;
in this step, a plurality of common structural layers 300 (including the casting of the peripheral wall 200) are cast, and the studs 2 are built up section by section in the process. Preferably, a plurality of diagonal draw bars and wales are installed between the studs 2 and the wall 200 at the periphery of the multi-layer common structural layer 300 to reinforce the connection strength between the studs 2 and the wall 200 at the periphery of the multi-layer common structural layer 300.
S3, after the multiple layers of common structural layers 300 are poured, pouring the layer where the upper cantilever structure 100 is located, and fixedly installing the two ends of the upright post 2 on the two adjacent cantilever structures 100;
s4, mounting the climbing frame on the upright post;
in this step, the wall-attached support 33 is fixedly mounted on the upright post 2; the truss main body 31 is then mounted on the wall attaching support 33, so that the rollers of the wall attaching support 33 are connected with the guide rails 32 on the truss main body 31, and the support head 341 of the anti-falling device 34 on the wall attaching support 33 is clamped with the clamping piece.
S5, starting the power lifting system to drive the truss main body to climb to the designated position; preferably, the uprights 2 between two adjacent overhung structural layers, over which the truss body 31 climbs, are dismantled.
And S7, repeating the steps S2-S5 until the pouring of all cantilever structure layers is completed.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A cantilever climbing device, comprising:
the operating platform (1), the operating platform (1) is fixedly arranged on the lower layer of the first cantilever structure layer (101);
the number of the upright columns (2) is multiple, the upright columns (2) are vertically arranged along the same direction, and two ends of each upright column (2) are detachably connected with two adjacent cantilever structures (100); and
climb frame (3), climb frame (3) and include:
a truss body (31);
a guide support system configured to guide the truss body (31) to move along the length direction of the upright (2); and
the power lifting system can drive the truss main body (31) to move up and down between the two adjacent cantilever structures (100).
2. The overhanging climbing device according to claim 1, wherein the power lifting system comprises a lifting hanging seat (35), a lifting device and a middle-node lifting point (36), the lifting hanging seat (35) is detachably mounted on the upright post (2), the lifting device comprises a driving device and a chain, the truss main body (31) is provided with an upper hanging rack and a lower hanging rack at intervals along a vertical direction, the chain is wound on the upper hanging rack and the lower hanging rack, and the middle-node lifting point (36) is fixedly mounted on the chain and clamped with the lifting hanging seat (35); the driving device is fixedly arranged on the truss main body (31) and can drive the chain to move.
3. The cantilever climbing device according to claim 2, wherein the guiding and supporting system comprises a guide rail (32) and a wall-attached support (33), the guide rail (32) is fixedly installed on one side of the truss main body (31) close to the cantilever structure (100); the wall attaching support (33) is detachably connected with the upright column (2), rollers are arranged on the wall attaching support (33), and the rollers are arranged on the guide rails (32) in a rolling mode.
4. The overhanging climbing device according to claim 3, wherein the guiding and supporting system further comprises a falling prevention device (34) and an elastic member, one end of the falling prevention device (34) is rotatably mounted on the wall-attached support (33), and the other end is provided with a supporting head (341); one end of the elastic piece is fixedly connected with the wall-attached support (33), and the other end of the elastic piece is fixedly connected with the anti-falling device (34); guide rail (32) orientation one side of stand (2) transversely is provided with a plurality of joint spare, and is a plurality of joint spare is parallel and the interval sets up, hoisting device drives when truss main part (31) promote, support head (341) can with joint spare joint is fixed truss main part (31).
5. The overhung climbing device according to any one of claims 1 to 4, wherein the truss body (31) is provided with a protective mesh at the periphery.
6. The cantilever climbing device according to any one of claims 1 to 4, further comprising a connecting assembly, wherein both ends of the connecting assembly are fixedly connected with the upright (2) and the wall (200).
7. The overhanging climbing device according to any one of claims 1 to 4, further comprising an intelligent monitoring system, wherein the intelligent monitoring system is used for carrying out real-time safety monitoring on the truss main body (31) and controlling the start and stop of the power lifting system.
8. A construction method of an overhanging structure using the overhanging climbing device according to any one of claims 1 to 7, comprising the steps of:
s1, building an operation platform (1) and completing pouring of the first cantilever structure layer (101);
s2, pouring a common structural layer (300), and building the upright posts (2) layer by layer;
s3, after the multiple layers of common structural layers (300) are poured, pouring a layer where an upper cantilever structure (100) is located, wherein two ends of each upright post (2) are fixedly installed on two adjacent cantilever structures (100);
s4, mounting the climbing frame (3) on the upright post (2);
s5, starting the power lifting system to drive the truss main body (31) to climb to a specified position;
and S6, repeating the steps S2-S5 until the pouring of all cantilever structure layers is completed.
9. The cantilever structure construction method according to claim 8, wherein a plurality of diagonal braces and wales are installed between the columns (2) and the wall (200) in step S2.
10. The cantilever construction method according to claim 8, further comprising detaching the columns (2) between two adjacent cantilever floors over which the truss main body (31) climbs in step S6.
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| CN202110379080.6A CN112942790A (en) | 2021-04-08 | 2021-04-08 | Cantilever climbing device and construction method of cantilever structure |
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| CN202110379080.6A CN112942790A (en) | 2021-04-08 | 2021-04-08 | Cantilever climbing device and construction method of cantilever structure |
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Cited By (4)
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| CN114059669A (en) * | 2021-09-16 | 2022-02-18 | 北京市机械施工集团有限公司 | Self-rotating accumulated lifting method for large-span annular double-layer pipe truss |
| CN114232970A (en) * | 2021-12-30 | 2022-03-25 | 上海建工集团股份有限公司 | Installation method of super high-rise self-lifting attached overhanging type interlayer material transfer platform |
| CN114961218A (en) * | 2022-06-28 | 2022-08-30 | 贵州建工集团第一建筑工程有限责任公司 | Construction method for lifting two climbing frames and removing formwork support frame at structural change position |
| CN115450417A (en) * | 2022-10-13 | 2022-12-09 | 中天建设集团有限公司 | Combined type climbing frame supporting structure of high-rise large-spacing staggered balcony building and climbing frame construction method |
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