CN114988310A - Reverse transportation and installation system for steel beams in core barrel under creeping formwork and construction method of reverse transportation and installation system - Google Patents
Reverse transportation and installation system for steel beams in core barrel under creeping formwork and construction method of reverse transportation and installation system Download PDFInfo
- Publication number
- CN114988310A CN114988310A CN202210656874.7A CN202210656874A CN114988310A CN 114988310 A CN114988310 A CN 114988310A CN 202210656874 A CN202210656874 A CN 202210656874A CN 114988310 A CN114988310 A CN 114988310A
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- outer frame
- floor
- wire rope
- steel
- hoisting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a system for transporting and installing steel beams in a core cylinder under a creeping formwork and a construction method thereof, which relate to the technical field of large-scale material transportation and installation equipment for building construction, and the technical scheme is that the system comprises a hoisting mechanism, a direction conversion mechanism, a hoisting steel wire rope and a hook; the hoisting mechanism is arranged on the outer frame floor slab and comprises a square frame base and a winch. The invention has the beneficial effects that: according to the device, the construction sequence of the outer frame of the core barrel and the horizontal structure in the core barrel is reasonably arranged, meanwhile, the hoisting mechanism is arranged on the outer frame of the core barrel, and the hoisting steel wire rope is led into the core barrel through the two pulley steering mechanisms.
Description
Technical Field
The invention relates to the technical field of large-scale material allocation and transportation and installation equipment for building construction, in particular to a system for transporting and installing steel beams in a core cylinder under a creeping formwork and a construction method thereof.
Background
The structural form of the super high-rise building usually adopts a form of 'a core tube and an outer frame steel structure', and most of the super high-rise building utilize a creeping formwork or a construction platform system to construct a core tube shear wall structure in advance, and the horizontal structure of the core tube and the horizontal structure of the outer frame are constructed in a lagging mode.
For adapting to the quick construction requirement of a super high-rise horizontal structure, the horizontal floor is usually designed into a combined floor, the profiled steel plates and the section steel beams are used as permanent templates and supports, the quick construction of the horizontal structure can be realized, the hoisting of the steel beams and other large-scale materials can be realized by a tower crane on the upper part of a core cylinder during the construction of the outer frame structure in the mode, and the upper structure of the core cylinder adopts a fully-closed creeping formwork or a construction platform system, so that a tower crane hook cannot enter the core cylinder area on the lower part of the creeping formwork through the creeping formwork, the material can not be transported to the operation surface of the horizontal structure by the tower crane during the construction of the horizontal structure on the lower part, and the transportation and installation of the large-scale materials such as the horizontal floor steel beams in the core cylinder are difficult.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides a system for transporting and installing steel beams inside a core tube under a creeping formwork and a construction method thereof.
The technical scheme is that the device comprises a hoisting mechanism, a direction switching mechanism, a hoisting steel wire rope and a hook;
after the construction of the Nth layer of the core tube outer frame structure below the creeping formwork is completed, the hoisting mechanism is arranged on the outer frame floor of the Nth-M layer of the core tube outer frame structure, and the hoisting mechanism comprises a square frame base and a winch fixedly arranged on the square frame base in a mechanical connection mode.
The winch is of a proper type according to the weight of a material to be hoisted, and a square frame structure is formed by welding 4 # channel steels in pairs as a square frame base of the winch base.
Two bolt holes are formed in each edge of the square frame base, the square frame base is fixed on the outer frame floor of the core barrel outer frame structure through expansion bolts, a plurality of limiting steel bars are arranged on the square frame base, and the winch is fixed inside the limiting steel bars.
The type and the quantity of expansion bolts need to be determined by combining the weight of the steel beam so as to ensure the stability of the winch, and meanwhile, limiting steel bars are arranged at four connecting positions of the square frame base, so that the stability of the winch is further ensured.
The direction conversion mechanism comprises a primary steering pulley, a secondary steering pulley, a fixed steel beam, a pulley positioning steel wire rope and a rubber pad.
The fixed steel beam is arranged on the outer frame floor slab, the pulley positioning steel wire rope is fixed on the fixed steel beam through a buckle, a rubber pad is arranged at the connecting position of the pulley positioning steel wire rope and the fixed steel beam, and the secondary steering pulley is arranged on the pulley positioning steel wire rope;
the primary steering pulley is arranged on the outer frame floor slab.
The fixed steel beam is arranged on the Nth layer of the outer frame floor slab, and the pulley positioning steel wire rope is arranged at the height of the Nth layer of the outer frame floor slab;
the primary diverting pulleys are arranged on the N-M layers of the outer frame floor slabs.
During site operation, because core section of thick bamboo frame structure jack-up hoist and mount construction convenience, consequently can arrange the construction of core section of thick bamboo frame structure in advance in the construction of core section of thick bamboo inside casing horizontal structure, when constructing core section of thick bamboo inside casing horizontal structure, can arrange fixed girder steel and pulley location wire rope on 5 to 10 layer of outside frame floor slabs in the required construction area of core section of thick bamboo inside casing horizontal structure, for reducing the friction of pulley location wire rope and fixed girder steel simultaneously, arrange the rubber pad at its hookup location.
One end of the hoisting steel wire rope is connected with the winch, and the other end of the hoisting steel wire rope is connected with the hook after sequentially passing through the primary steering pulley and the secondary steering pulley.
A primary steering pulley is arranged at a connecting beam position where an outer frame floor slab provided with a hoisting mechanism is connected with a core barrel, and a hoisting steel wire rope is guided into the core barrel from the outer frame floor slab by the primary steering pulley; a secondary steering pulley is arranged in the middle of the pulley positioning steel wire rope, and the secondary steering pulley finishes the conversion of the vertical direction of the hoisted steel wire rope; and the hoisting steel wire rope is led out from the secondary steering pulley and then is connected with the hook, so that the hoisting construction of the lower part section of steel beam is realized.
The direction conversion mechanism is mainly used for completing the conversion from the transverse direction to the vertical direction of the hoisting steel wire rope when the hoisting steel wire rope needs to enter the core barrel from the core barrel outer frame structure floor.
N-M is a layer to be constructed of the floor slab in the core tube, M is the layer height difference between the outer frame floor slab and the floor slab in the core tube, and the operation surface of the outer frame floor slab is higher than that of the inner frame of the core tube.
The construction method of the system for transporting and installing the steel beams in the core cylinder based on the creeping formwork comprises the following steps:
s1, after the Nth layer of the core tube outer frame structure is constructed, large materials such as steel beams of a horizontal floor slab in the core tube and the like are transferred to the Nth-M layer outer frame floor slab by using a tower crane;
s2, arranging the hoisting mechanism and the primary steering pulley on the N-M layer outer frame floor;
s3, arranging a fixed steel beam and a pulley positioning steel wire rope on the Nth layer outer frame floor slab, and installing a secondary steering pulley, a hoisting steel wire rope and a hook;
s4, lowering the hoisting steel wire rope to the Nth-M layer position, and transferring the steel beam to the inner operation surface of the core barrel from the outer frame position of the core barrel of the N-M layer; in order to ensure the stability of the steel beam in the process of transportation, workers need to be arranged to utilize the wind-holding ropes to transfer the steel beam inwards at the Nth-M layer position in the process of transportation, so that the steel beam can stably and slowly enter the core barrel.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the invention aims to develop a system and a method for transporting and installing large materials such as steel beams and the like under the working condition that a tower crane cannot enter the lower part of a creeping formwork in the lower area of the creeping formwork.
Drawings
Fig. 1 is a schematic structural view of a core tube and a core tube outer frame structure according to an embodiment of the present invention.
Fig. 2 is a schematic overall structure diagram of the embodiment of the present invention.
Fig. 3 is a partially enlarged view a of fig. 2.
Fig. 4 is a partially enlarged view B of fig. 2.
Fig. 5 is a partial enlarged view of C of fig. 2.
Wherein the reference numerals are: 1. a hoisting mechanism; 2. a direction switching mechanism; 3. hoisting the steel wire rope; 4. hooking; 5. a core barrel; 6. an outer frame structure of the core barrel; 7. an outer frame floor slab; 8. tower crane; 9. climbing a mold; 101. a winch; 102. a square frame base; 103. an expansion bolt; 104. limiting the reinforcing steel bars; 201. a primary diverting pulley; 202. a secondary diverting pulley; 203. fixing the steel beam; 204. the pulley positions the wire rope; 205. and (7) a rubber pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 5, the invention provides a system for transporting and installing steel beams inside a core cylinder under a creeping formwork and a construction method thereof, comprising a hoisting mechanism 1, a direction conversion mechanism 2, a hoisting steel wire rope 3 and a hook 4;
after the construction of the Nth layer of the core tube outer frame structure 6 below the creeping formwork 9 is completed, the hoisting mechanism 1 is arranged on the outer frame floor 7 of the core tube outer frame structure 6 of the Nth-M layer, and the hoisting mechanism 1 comprises a square frame base 102 and a winch 101 fixedly arranged on the square frame base 102 in a mechanical connection mode.
The winch 101 selects a proper model according to the weight of a required hoisting material, and the square frame base 102 serving as the winch base is formed into a square frame structure by welding 4 No. 10 channel steel in pairs.
Two bolt holes are formed in each side of the square frame base 102, the square frame base 102 is fixed to an outer frame floor 7 of the core tube outer frame structure 6 through expansion bolts 103, a plurality of limiting steel bars 104 are arranged on the square frame base 102, and the winch 101 is fixed to the interior of the limiting steel bars 104.
The type and the number of the expansion bolts 103 need to be determined by combining the weight of the steel beam so as to ensure the stability of the winch 101, and meanwhile, the limiting steel bars 104 are arranged at four connecting positions of the square frame base 102 so as to further ensure the stability of the winch 101.
The direction conversion mechanism 2 includes a primary diverting pulley 201, a secondary diverting pulley 202, a fixed steel beam 203, a pulley positioning wire 204, and a rubber pad 205.
The fixed steel beam 203 is arranged on the outer frame floor slab 7, the pulley positioning steel wire rope 204 is fixed on the fixed steel beam 203 through a buckle, a rubber pad 205 is arranged at the connecting position of the pulley positioning steel wire rope 204 and the fixed steel beam 203, and the secondary steering pulley 202 is arranged on the pulley positioning steel wire rope 204;
the primary diverting pulley 201 is arranged on the outer frame floor 7.
The fixed steel beam 203 is arranged on the Nth layer outer frame floor 7, and the pulley positioning steel wire rope 204 is arranged at the height of the Nth layer outer frame floor 7;
the primary diverting pulley 201 is arranged on the nth-M layer outer frame floor 7.
During on-site construction, because the hoisting and hoisting construction of the core tube outer frame structure 6 is convenient, the construction of the core tube outer frame structure 6 can be arranged in advance of the construction of the inner frame horizontal structure of the core tube 5, when the inner frame horizontal structure of the core tube 5 is constructed, the fixed steel beam 203 and the pulley positioning steel wire rope 204 can be arranged on the upper part 5 to 10 outer frame floor slabs 7 of the required construction area of the inner frame horizontal structure of the core tube 5, and meanwhile, the rubber pad 205 is arranged at the connecting position of the pulley positioning steel wire rope 204 and the fixed steel beam 203 for reducing the friction of the pulley positioning steel wire rope 204 and the fixed steel beam 203.
One end of the hoisting steel wire rope 3 is connected with the winch 101, and the other end of the hoisting steel wire rope passes through the primary diverting pulley 201 and the secondary diverting pulley 202 in sequence and then is connected with the hook 4.
A primary steering pulley 201 is arranged at a connecting beam position where an outer frame floor 7 provided with the hoisting mechanism 1 is connected with the core barrel 5, and the hoisting steel wire rope 3 is guided into the core barrel 5 from the outer frame floor 7 by the primary steering pulley 201; a secondary diverting pulley 202 is arranged in the middle of a pulley positioning steel wire rope 204, and the secondary diverting pulley 202 completes the conversion of the vertical direction of a hoisting steel wire rope 3; the hoisting steel wire rope 3 is led out from the secondary diverting pulley 202 and then connected with the hook 4, so that the hoisting construction of the lower part section of steel beam is realized.
The direction conversion mechanism 2 is mainly used for completing the conversion from the transverse direction to the vertical direction of the hoisting steel wire rope 3 when the hoisting steel wire rope 3 needs to enter the core tube 5 from the floor of the core tube outer frame structure 6.
N-M is a layer to be constructed of the floor in the core tube 5, M is the layer height difference between the outer frame floor 7 and the floor in the core tube 5, and the operation surface of the outer frame floor 7 is higher than that of the inner frame of the core tube 5.
The construction method of the system for transporting and installing the steel beams in the core cylinder based on the creeping formwork comprises the following steps:
s1, after the Nth layer of the core tube outer frame structure 6 is constructed, transferring large-scale materials such as steel beams of a horizontal floor slab in the core tube 5 to the Nth-M layer outer frame floor slab 7 by using a tower crane 8;
s2, arranging a hoisting mechanism 1 and a primary steering pulley 201 on the Nth-M layer outer frame floor slab 7;
s3, arranging a fixed steel beam 203 and a pulley positioning steel wire rope 204 on the Nth layer outer frame floor 7, and installing a secondary steering pulley 202, a hoisting steel wire rope 3 and a hook 4;
s4, lowering the hoisting steel wire rope 3 to the Nth-M layer position, and transferring the steel beam to the inner working surface of the core barrel 5 from the outer frame position of the core barrel 5 of the N-M layers; in order to ensure the stability of the steel beam in the process of allocation and transportation, workers need to be arranged to utilize the wind-pulling rope to transfer the steel beam inwards at the Nth-M layer position in the process of allocation and transportation, so that the steel beam can stably and slowly enter the core barrel 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A system for transporting and installing steel beams inside a core barrel under a creeping formwork is characterized by comprising a hoisting mechanism (1), a direction conversion mechanism (2), a hoisting steel wire rope (3) and a hook (4);
after the construction of the Nth layer of the core tube outer frame structure (6) below the creeping formwork (9) is completed, the hoisting mechanism (1) is arranged on an outer frame floor (7) of the Nth-M layer of the core tube outer frame structure (6), and the hoisting mechanism (1) comprises a square frame base (102) and a hoisting machine (101) fixedly arranged on the square frame base (102) in a mechanical connection mode.
2. The creeping formwork lower core tube internal steel beam transportation and installation system is characterized in that each side of the square frame base (102) is provided with two bolt holes, the square frame base (102) is fixed on an outer frame floor (7) of the core tube outer frame structure (6) through expansion bolts (103), the square frame base (102) is provided with a plurality of limiting steel bars (104), and the winch (101) is fixed inside the limiting steel bars (104).
3. The creeping formwork lower core cylinder internal steel beam dumping installation system according to claim 1, wherein the direction conversion mechanism (2) comprises a primary diverting pulley (201), a secondary diverting pulley (202), a fixed steel beam (203), a pulley positioning steel wire rope (204) and a rubber pad (205).
4. The system for mounting the steel beam in the core barrel of the creeping formwork in a dumping manner according to claim 3, wherein the fixed steel beam (203) is arranged on the outer frame floor (7), the pulley positioning steel wire rope (204) is fixed on the fixed steel beam (203) through a buckle, a rubber pad (205) is arranged at the connecting position of the pulley positioning steel wire rope (204) and the fixed steel beam (203), and the secondary steering pulley (202) is arranged on the pulley positioning steel wire rope (204);
the primary diverting pulley (201) is arranged on the outer frame floor (7).
5. The system for transporting and installing steel beams inside a core barrel under a creeping formwork according to claim 4, wherein the fixed steel beams (203) are arranged on the outer frame floor (7) at the Nth layer, and the pulley positioning steel wire ropes (204) are arranged at the height of the outer frame floor (7) at the Nth layer;
the primary diverting pulleys (201) are arranged on the N-M layers of the outer frame floor slabs (7).
6. The system for transporting and installing steel beams inside a core barrel under a creeping formwork according to claim 3, wherein one end of the hoisting steel wire rope (3) is connected with the winch (101), and the other end of the hoisting steel wire rope is connected with the hook (4) after passing through the primary diverting pulley (201) and the secondary diverting pulley (202) in sequence.
7. The creeping formwork lower core tube internal steel beam transportation and installation system is characterized in that N-M is a layer to be constructed of a core tube (5) internal floor, M is a layer height difference between the outer frame floor (7) and the core tube (5) internal floor, the operation surface of the N-th outer frame floor (7) is higher than that of the core tube (5) internal floor, and the N-M-th outer frame floor (7) and the lowest floor to be constructed of the core tube (5) internal floor are located on the same layer.
8. The construction method of the system for transporting and installing the steel beams inside the core tube under the creeping formwork is characterized by comprising the following steps:
s1, after the Nth layer of the core tube outer frame structure (6) is constructed, large materials such as steel beams of a horizontal floor slab in the core tube (5) are transferred to the Nth-M layer outer frame floor slab (7) by using a tower crane (8);
s2, arranging the hoisting mechanism (1) and the primary diverting pulley (201) on the N-M layer outer frame floor (7);
s3, arranging a fixed steel beam (203) and a pulley positioning steel wire rope (204) on the Nth layer outer frame floor (7), and installing a secondary steering pulley (202), a hoisting steel wire rope (3) and a hook (4);
s4, lowering the hoisting steel wire rope (3) to the Nth-M layer position, and transferring the steel beam to the inner working surface of the core barrel (5) from the outer frame position of the core barrel (5) of the N-M layers; in order to ensure the stability of the steel beam in the process of transportation, workers need to be arranged to utilize the wind-catching ropes to transfer the steel beam inwards at the Nth-M layer position in the process of transportation, so that the steel beam can stably and slowly enter the core barrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210656874.7A CN114988310A (en) | 2022-06-10 | 2022-06-10 | Reverse transportation and installation system for steel beams in core barrel under creeping formwork and construction method of reverse transportation and installation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210656874.7A CN114988310A (en) | 2022-06-10 | 2022-06-10 | Reverse transportation and installation system for steel beams in core barrel under creeping formwork and construction method of reverse transportation and installation system |
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| Publication Number | Publication Date |
|---|---|
| CN114988310A true CN114988310A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210656874.7A Pending CN114988310A (en) | 2022-06-10 | 2022-06-10 | Reverse transportation and installation system for steel beams in core barrel under creeping formwork and construction method of reverse transportation and installation system |
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| Country | Link |
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| CN (1) | CN114988310A (en) |
Cited By (1)
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| CN115492387A (en) * | 2022-09-15 | 2022-12-20 | 中建八局第一建设有限公司 | Creeping formwork integrated material hoisting system and construction method thereof |
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| CN115492387B (en) * | 2022-09-15 | 2023-08-11 | 中建八局第一建设有限公司 | Climbing form integrated material hoisting system and construction method thereof |
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