CN114109014A - Ultrahigh small-diameter cylindrical curtain wall annular hanging basket and construction method thereof - Google Patents
Ultrahigh small-diameter cylindrical curtain wall annular hanging basket and construction method thereof Download PDFInfo
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- CN114109014A CN114109014A CN202111598288.3A CN202111598288A CN114109014A CN 114109014 A CN114109014 A CN 114109014A CN 202111598288 A CN202111598288 A CN 202111598288A CN 114109014 A CN114109014 A CN 114109014A
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- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 49
- 239000000725 suspension Substances 0.000 claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 115
- 239000010959 steel Substances 0.000 claims description 115
- 238000000034 method Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 241000219098 Parthenocissus Species 0.000 claims 2
- 210000001503 joint Anatomy 0.000 claims 1
- 230000008569 process Effects 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain 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
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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Abstract
The invention belongs to the field of hanging basket construction, and particularly discloses an ultrahigh small-diameter barrel curtain wall annular hanging basket and a construction method thereof, wherein the construction method comprises the following steps: a construction preparation stage, which comprises hanging basket dispatching, tower crane or elevator equipment installation, finished product protection and carrying; a hanging basket installation stage, which comprises the installation of a hanging basket suspension mechanism, the installation and debugging of a suspension platform, the installation of a lifter, a safety lock, an electric control box and the like; in the riding track and traction cable installation stage, construction of a structural aluminum riding track is carried out based on the installed hanging basket device, and a personnel operation platform and a channel are provided for subsequent construction; and in the installation stage of the curtain wall unit plate, the curtain wall unit plate is installed on the constructed and protected aluminum walkway. The invention forms an annular hanging basket construction method which can be vertically transported and horizontally moved and is suitable for hanging basket construction of various complex outer facades and reduces the using number of hanging baskets and hoisting equipment by modifying the form of a hanging basket suspension mechanism.
Description
Technical Field
The invention relates to the field of hanging basket construction, in particular to an ultrahigh small-diameter barrel curtain wall annular hanging basket and a construction method thereof.
Background
The traditional hanging basket suspension mechanism mainly comprises a steel frame and a balance weight, and is a steel structure frame which is erected at a top supporting position of a building operation surface and bears the weight of a suspension platform, rated load capacity and the like through a steel wire rope.
The example engineering is a cylinder structure with 168m height, the outer vertical surface of the curtain wall is gradually enlarged from 100.5m upwards, the diameter of the top layer is enlarged by 20m, if the traditional hanging basket is adopted for construction, the traditional hanging basket does not have a space for installing a steel frame and a balance weight in the middle of the structure, and if the hanging basket is installed on a 168m roof, the hanging basket is too far away from the outer vertical surface of the curtain wall at the lower straight section, so that the construction requirement cannot be met.
Disclosure of Invention
The invention aims to provide an ultrahigh small-diameter cylindrical curtain wall annular hanging basket and a construction method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method of an annular hanging basket of an ultrahigh small-diameter cylinder curtain wall comprises the following steps:
s1: a construction preparation stage, which comprises hanging basket dispatching, tower crane or elevator equipment installation, finished product protection and carrying;
s2: a hanging basket installation stage, which comprises the installation of a hanging basket suspension mechanism, the installation and debugging of a suspension platform, the installation of a lifter, a safety lock, an electric control box and the like;
s3: in the stage of installing the riding track and the traction cable, construction of the structural aluminum riding track is carried out based on the hanging basket device installed in S2, and a personnel operation platform and a channel are provided for subsequent construction;
s4: and in the installation stage of the curtain wall unit plate, the curtain wall unit plate is installed on the constructed and protected aluminum walkway.
Preferably, S1 specifically includes: s101: the hanging basket enters the field according to the conditions of the size of the engineering field, the using quantity, the time and the like, the dispatching is reasonably arranged, and the hanging basket enters the field in batches; s102: a 380V power supply is prepared in a building at the position where the hanging basket is used by a construction party; s103: in order to reduce the strength of workers for carrying hanging basket accessories into a building and improve the mounting speed of hanging baskets, tower cranes or elevator equipment are arranged for cooperation; s104: on the floor surface using the hanging basket, basic installation conditions are required, the cantilever beam can bear certain lateral pressure, a plurality of wood boards are prepared and are padded on the cantilever beam to enhance the protection of a finished product; s105: during carrying, the protection work of mechanical parts needs to be paid attention to prevent the parts from being lost, and horizontal carrying comprises a platform, a rope weight iron, an electrical system and the like; the vertical transportation comprises a roof suspension device, a steel wire rope and the like.
Preferably, S2 specifically includes:
s201: installing a hanging basket hanging mechanism, wherein the hanging mechanism adopts the form of an embedded part, a steel corbel and an annular guide rail, and embedding the embedded part according to a construction scheme along with the construction of a barrel structure;
s202: mounting and debugging a suspension platform;
s203: mounting a hoister, a safety lock and an electrical control box;
s204: rope threading inspection;
s205: the heavy hammer is arranged, and the significance of the heavy hammer is to prevent the steel wire rope from being pulled up along with the lifting of the suspension platform to influence the normal operation of the suspension platform;
s206: installing a safety rope and a rope clamp;
s207: electrifying, checking and completing the hanging basket installation stage.
Preferably, in S201, the construction preparation: the distance between the basket body and the construction wall surface of the hanging basket is not less than 0.3m, and the distance between the basket body and the basket body is kept between 0.5 and 1 m. The used steel wire rope meets the requirements of national standards, the safety factor of the steel wire rope specified in the national standards is not less than 9 times, and the steel wire rope is selected as follows: the specification of the second Steel rope company Q/320411BGF-2014<4 x 31SW + FC-8.30> of Nantong Tong; the hanging basket is erected by a conventional erection method, the longest extension length of a hanging basket front suspender is 1.7m, the shortest erection distance between a front support and a rear support is 4.4m, the distance between a working platform and a curtain wall finish surface is about 200mm, and the distance between the hanging baskets is about 800 mm. The installation ground is selected from a horizontal plane, when the installation ground meets an inclined plane, the installation ground is required to be trimmed and paved, and if the installation surface is a waterproof heat-insulating layer, 5cm thick wood plates are additionally arranged under the front seat and the rear seat to prevent the waterproof heat-insulating layer from being damaged by pressure.
Preferably, S201 includes: inserting the inserted bar into the triangular front bracket, adjusting the height of the inserted bar according to the height of a parapet (or other barriers), fixing the inserted bar by using a bolt, inserting the inserted bar into a rear bracket sleeve, fixing the inserted bar by using the bolt, and finishing the installation of the front bracket and the rear bracket, wherein the height of the inserted bar is equal to the height of the front bracket; respectively installing a front beam and a rear beam into the inserted rods of the front bracket and the rear bracket, connecting the front beam and the rear beam by using a middle beam, adjusting the distance between a front seat and a rear seat to the maximum distance as far as possible under the permission of a field, and installing an upper support on the inserted rods of the front bracket; installing a reinforced steel wire rope, adjusting a screw rod of a turnbuckle to tighten the reinforced steel wire rope, slightly tilting a front beam by 3-5 cm to generate prestress and improve the rigidity of the front beam, fixing a working steel wire rope and a safety steel wire rope on a suspension machine framework of the front beam respectively, and installing a limiting block at a proper position of the safety steel wire rope; when the reinforced steel wire rope and the main and auxiliary ropes are used for fixing the lock catches, the four fasteners are locked together, and observation ports are reserved at the third fastener and the fourth fastener at the tail parts of the lock catches so as to determine whether the steel wire slips or not during inspection; and checking whether the components are installed correctly, and after the components are confirmed to be correct, placing the suspension mechanism at a working position, wherein the overhanging length of the extending end of the front beam is 1.7 m. The distance between the inner sides of the two sets of suspension mechanisms is equal to the length of the suspension platform. The balance weights are uniformly placed on the base of the rear support and are bound by steel wire ropes. And then the working steel wire rope and the safety steel wire rope are put down from the end part, and the winding phenomenon of the steel wire rope is noticed in the process.
Preferably, the steel corbel in the S201 is formed by welding 18# I-steel with the length of 1800mm on the embedded part, and the steel corbel forms an inverted triangular support with the embedded part through a diagonal draw bar, wherein the diagonal draw bar is made of 18# I-steel; the arc corresponding to the structure is processed by adopting two 18# I-steel, and the I-steel is fixed at the bottom of a steel bracket in a clamping manner to form an annular guide rail on which a hanging basket and a winch can move in the horizontal direction.
Preferably, S202 specifically includes: flatly placing the bottom plate with the bed height of more than 200mm, aligning the butt joints of all basic sections, installing a fence piece, placing a low fence piece on one side of a working surface, connecting the low fence piece with the working surface by using bolts, and ensuring the whole platform frame to be straight after pre-tightening; the lifting machines are arranged at two ends of the side basket, and the safety lock bracket is arranged towards the outer side of the platform; after the assembly, all the connecting bolts are evenly fastened.
Preferably, S203 specifically includes: the hoisting machine is arranged on an installation frame of the suspension platform and is fixed by a handle, a lock pin and a bolt; mounting a safety lock on a safety lock mounting plate of the mounting frame, and fastening by using a bolt; screwing off a hexagon nut on the safety lock, and installing an upper limit travel switch of the hoister at the position; the electric control box is hung at a neutral position in the middle of a rear fence piece of the working platform, and a motor plug and a hand-held switch plug are respectively inserted into corresponding sockets at the lower part of the electric control box; all the aviation plugs are respectively inserted into corresponding sockets below the electric control box, and all the aviation plugs must be aligned to the notches in the plugging process to ensure that the plugging is in place, so as to prevent the virtual connection from being damaged. And connecting the power supply after the confirmation is correct.
Preferably, in S204, the change-over switch on the panel of the electrical control box is shifted to one side of the hoist to be threaded with the wire rope, the working wire rope passes through the limit wheel and the stop ring of the safety lock and then is inserted into the upper end hole of the hoist, the uplink button is started, and the hoist can automatically wind the working wire rope to complete the threading carry of the working wire rope (the threading process needs to pay close attention to the fact that the wire rope is abnormal, and if the wire rope is abnormal, the threading is stopped immediately). After the working steel wire rope is in place, the safety lock is automatically opened, and then the safety steel wire rope is inserted into the upper end hole of the safety lock. (the other side of the elevator operates the same).
Preferably, the weight of S205 is installed by clamping the two halves at the lower end of the steel cable 15cm away from the ground, and then fastening the steel cable to the steel cable with bolts, and tightening the steel cable vertically.
Preferably, before the hanging basket is installed and used, an independent safety rope is hung from the roof, and the safety rope is in a steel (wire) rope structure specification (mm): 4 x 31SW + FC-8.30 steel wire rope, the safety rope should be fixed on the building structure with enough strength. The safety rope can not be climbed on the hanging mechanism, the safety rope is placed in the middle of the hanging basket after the top is hung, the self-locking device is directly installed on the safety rope, and a constructor must hang the safety belt on the self-locking device on the safety rope in the construction process to ensure safety.
Preferably, the aluminum alley of S3 is formed by welding galvanized steel with a thickness of 100X 6mm, and the galvanized steel is welded on a bracket of structural steel by an operator through a hanging basket. Namely, two rear embedded parts are installed on the ground aiming at each hoisting position, and the pulleys are welded on the embedded parts; two lug plates are correspondingly welded at the position of the transverse I-shaped steel of the top track (namely the position of a steel bracket below the aluminum sidewalk), the head of the steel wire rope is fixed at the position of the lug plate at the top, and the lower part of the steel wire rope penetrates through the pulley to be connected with the electric block, so that the steel wire rope is stressed loosely and tightened after being conveniently hoisted.
Preferably, the straight section below 100.5m in S4 unit plate aluminum single plate curtain wall keel and the main concrete structure are connected by mainly adopting HM 300X 200X 8X 12mmH section steel, 12mm thick channel steel ring beams, 160X 80X 6mm and 60X 6mm hot galvanized rectangular pipes; after the paying-off of the steel plate to be measured is finished, firstly, the H-shaped steel is installed on an embedded part of a wall surface to be measured and serves as a connecting piece to connect a groove steel ring beam, a unit type plate is assembled and processed in a processing factory through a square tube of 160 x 80 x 6mm and 60 x 6mm, an adapter is installed on the groove steel ring beam and connected through high-strength bolts, a unit type aluminum single plate is fixed on the adapter through stainless steel bolts, the flatness, the color difference and the like of the outer surface are checked before the installation, and the cleaning and the acceptance are carried out after the adjustment is finished. Hoisting the unit type aluminum single plates to a specified elevation through the checked and accepted winch, the annular rail and the traction cableway, and standing an operator on the constructed and protected aluminum carriageway to install unit plates.
On the other hand, the invention also provides an ultrahigh small-diameter barrel curtain wall annular hanging basket which is characterized in that: the super high-rise building of minor diameter includes minor diameter section and big diameter section, and annular hanging flower basket linkage includes through a plurality of steel corbels fixed extremely the circular orbit and the smooth locate of minor diameter section periphery circular orbit's hanging flower basket, the steel corbel is fixed in minor diameter section perisporium, the circular orbit with the steel corbel is fixed, it climbs the rail ware to slide on the circular orbit, the hanging flower basket with it connects, every the steel corbel is kept away from building subject's one end of serving and is tied and have the one end of oblique pull rod, the other end of pull rod is fixed in to one side on the minor diameter section.
Preferably, each steel bracket is fixed with the small-diameter section through an embedded part.
Preferably, the endless track is secured to a plurality of the steel corbels by a plurality of fasteners.
Compared with the prior art, the invention has the beneficial effects that:
the invention forms an annular hanging basket construction method which can be vertically transported and horizontally moved and is suitable for hanging basket construction of various complex outer vertical surfaces by modifying the form of a hanging basket suspension mechanism, reduces the using number of hanging baskets and hoisting equipment, avoids frequent disassembly, displacement and installation of hanging baskets, reduces the potential safety hazard of construction, reduces the construction time, and reduces the using time of vertical transportation equipment (tower crane) so as to meet the requirements of other process constructions.
Drawings
FIG. 1 is a construction flow chart of the present invention;
FIG. 2 is a schematic view of the hinge joint of the ring rail and the steel bracket according to the embodiment of the invention;
FIG. 3 is a schematic plane structure of a basket suspension mechanism in an embodiment of the invention;
FIG. 4 is a schematic perspective view of a basket suspension mechanism according to an embodiment of the present invention;
FIG. 5 is an installation view of a suspended platform in an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a hoist in a suspended platform according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a fairway node in the embodiment of the present invention.
In the figure: 1. an annular guide rail; 2. a diagonal member; 3. steel corbels; 4. embedding parts; 5. a basket body; 6. a base plate; 7. a low hurdle sheet; 8. high hurdle sheets; 9. a hoist; 10. an electrical control box; 11. a safety lock; 12. aluminum avenues;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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 also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a construction method of an annular hanging basket of an ultrahigh small-diameter cylinder curtain wall comprises the following steps:
s1: a construction preparation stage, which comprises hanging basket dispatching, tower crane or elevator equipment installation, finished product protection and carrying;
s2: a hanging basket installation stage, which comprises the installation of a hanging basket suspension mechanism, the installation and debugging of a suspension platform, the installation of a hoisting machine 9, a safety lock 11, an electric control box 10 and the like;
s3: in the stage of installing the riding track and the traction cable, construction of the structural aluminum riding track 12 is carried out based on the hanging basket device installed in S2, and a personnel operation platform and a channel are provided for subsequent construction;
s4: and in the stage of installing the curtain wall unit plate, the curtain wall unit plate is installed on the constructed and protected aluminum walkway 12.
In this embodiment, S1 specifically includes: s101: the hanging basket enters the field according to the conditions of the size of the engineering field, the using quantity, the time and the like, the dispatching is reasonably arranged, and the hanging basket enters the field in batches; s102: a 380V power supply is prepared in a building at the position where the hanging basket is used by a construction party; s103: in order to reduce the strength of workers for carrying hanging basket accessories into a building and improve the mounting speed of hanging baskets, tower cranes or elevator equipment are arranged for cooperation; s104: on the floor surface using the hanging basket, basic installation conditions are required, the cantilever beam can bear certain lateral pressure, a plurality of wood boards are prepared and are padded on the cantilever beam to enhance the protection of a finished product; s105: during carrying, the protection work of mechanical parts needs to be paid attention to prevent the parts from being lost, and horizontal carrying comprises a platform, a rope weight iron, an electrical system and the like; the vertical transportation comprises a roof suspension device, a steel wire rope and the like.
Referring to fig. 2-6, in the present embodiment, S2 specifically includes:
s201: installing a hanging basket hanging mechanism, wherein the hanging mechanism adopts the form of an embedded part 4, a steel corbel 3 and an annular guide rail 1, and embedding the embedded part 4 according to a construction scheme along with the construction of a barrel structure;
s202: mounting and debugging a suspension platform;
s203: mounting a hoist 9, a safety lock 11 and an electric control box 10;
s204: rope threading inspection;
s205: the heavy hammer is arranged, and the significance of the heavy hammer is to prevent the steel wire rope from being pulled up along with the lifting of the suspension platform to influence the normal operation of the suspension platform;
s206: installing a safety rope and a rope clamp;
s207: electrifying, checking and completing the hanging basket installation stage.
In the present embodiment, preparation for construction in S201: the distance between the basket body 5 of the hanging basket and the construction wall surface is not less than about 0.3m, and the distance between the basket body 5 and the basket body 5 is kept between 0.5m and 1 m. The used steel wire rope meets the requirements of national standards, the safety factor of the steel wire rope specified in the national standards is not less than 9 times, and the steel wire rope is selected as follows: the specification of the second Steel rope company Q/320411BGF-2014<4 x 31SW + FC-8.30> of Nantong Tong; the hanging basket is erected by a conventional erection method, the longest extension length of a hanging basket front suspender is 1.7m, the shortest erection distance between a front support and a rear support is 4.4m, the distance between a working platform and a curtain wall finish surface is about 200mm, and the distance between the hanging baskets is about 800 mm. The installation ground is selected from a horizontal plane, when the installation ground meets an inclined plane, the installation ground is required to be trimmed and paved, and if the installation surface is a waterproof heat-insulating layer, 5cm thick wood plates are additionally arranged under the front seat and the rear seat to prevent the waterproof heat-insulating layer from being damaged by pressure.
In this embodiment, S201 includes: inserting the inserted bar into the triangular front bracket, adjusting the height of the inserted bar according to the height of a parapet (or other barriers), fixing the inserted bar by using a bolt, inserting the inserted bar into a rear bracket sleeve, fixing the inserted bar by using the bolt, and finishing the installation of the front bracket and the rear bracket, wherein the height of the inserted bar is equal to the height of the front bracket; respectively installing a front beam and a rear beam into the inserted rods of the front bracket and the rear bracket, connecting the front beam and the rear beam by using a middle beam, adjusting the distance between a front seat and a rear seat to the maximum distance as far as possible under the permission of a field, and installing an upper support on the inserted rods of the front bracket; installing a reinforced steel wire rope, adjusting a screw rod of a turnbuckle to tighten the reinforced steel wire rope, slightly tilting a front beam by 3-5 cm to generate prestress and improve the rigidity of the front beam, fixing a working steel wire rope and a safety steel wire rope on a suspension machine framework of the front beam respectively, and installing a limiting block at a proper position of the safety steel wire rope; when the reinforced steel wire rope and the main and auxiliary ropes are used for fixing the lock catches, the four fasteners are locked together, and observation ports are reserved at the third fastener and the fourth fastener at the tail parts of the lock catches so as to determine whether the steel wire slips or not during inspection; and checking whether the components are installed correctly, and after the components are confirmed to be correct, placing the suspension mechanism at a working position, wherein the overhanging length of the extending end of the front beam is 1.7 m. The distance between the inner sides of the two sets of suspension mechanisms is equal to the length of the suspension platform. The balance weights are uniformly placed on the base of the rear support and are bound by steel wire ropes. And then the working steel wire rope and the safety steel wire rope are put down from the end part, and the winding phenomenon of the steel wire rope is noticed in the process.
In the embodiment, in the step S201, the steel corbel 3 is welded on the embedded part 4 by using 18# I-steel with the length of 1800mm, and forms an inverted triangular support with the embedded part by using the diagonal draw bar 2, and the diagonal draw bar 2 is 18# I-steel; the arc corresponding to the structure is processed by adopting two 18# I-steel, and the I-steel is fixed at the bottom of a steel bracket 3 in a clamping manner to form an annular guide rail 1 on which a hanging basket and a winch can move in the horizontal direction.
In this embodiment, S202 specifically includes: flatly placing the bottom plate 6 with the height of more than 200mm, aligning the butt joints of all basic sections, installing a fence piece, placing a low fence piece 7 on one side of a working surface, connecting the fence pieces by using bolts, and ensuring the whole platform frame to be straight after pre-tightening; the lifting machines 9 are arranged at two ends of the side basket, and during installation, the support of the safety lock 11 is towards the outer side of the platform; after the assembly, all the connecting bolts are evenly fastened.
In this embodiment, S203 specifically includes: the hoister 9 is arranged on an installation frame of the suspension platform and is fixed by a handle, a lock pin and a bolt; mounting the safety lock 11 on a mounting plate of the safety lock 11 of the mounting frame, and fastening by using a bolt; screwing off the hexagon nut on the safety lock 11, and installing an upper limit travel switch of the hoisting machine 9 at the position; the electric control box 10 is hung at the middle neutral position of a rear fence piece of the working platform, and a motor plug and a hand-held switch plug are respectively inserted into corresponding sockets at the lower part of the electric control box 10; the aviation plugs are respectively inserted into corresponding sockets below the electrical control box 10, and all the aviation plugs must be aligned with the notches to ensure that the aviation plugs are inserted in place in the inserting process so as to prevent the virtual connection from being damaged. And connecting the power supply after the confirmation is correct.
In this embodiment, in S204, the change-over switch on the panel of the electrical control box 10 is shifted to the side of the hoisting machine 9 where the wire rope is to be threaded, the working wire rope passes through the limit wheel and the stop ring of the safety lock 11 and then is inserted into the upper end hole of the hoisting machine 9, the up-going button is started, and the hoisting machine 9 can automatically wind the working wire rope to complete the threading carry of the working wire rope (in the threading process, attention should be paid closely to the presence or absence of an abnormal phenomenon, and if there is an abnormal condition, the threading should be stopped immediately). After the working steel wire rope is in place, the safety lock 11 is automatically opened, and then the safety steel wire rope is inserted into the upper end hole of the safety lock 11. (the other side elevator 9 operates in the same way).
In this embodiment, the weight of S205 is installed by clamping the two halves on the lower end of the steel cable 15cm away from the ground, and then fastening the steel cable to the steel cable with bolts, and tightening the steel cable vertically.
In this embodiment, before the basket is installed and used, an independent safety rope must be hung from the roof, and the safety rope adopts a steel (wire) rope structure specification (mm): 4 x 31SW + FC-8.30 steel wire rope, the safety rope should be fixed on the building structure with enough strength. The safety rope can not be climbed on the hanging mechanism, the safety rope is placed in the middle of the hanging basket after the top is hung, the self-locking device is directly installed on the safety rope, and a constructor must hang the safety belt on the self-locking device on the safety rope in the construction process to ensure safety.
In the present embodiment, the check before power-on in S207:
1. the power supply adopts a TN-S system, and the connection part of a power cable is reliably fixed;
2. whether the support at the roof surface is stably arranged and whether the fixation is reliable or not and whether the connecting bolt is loosened or not are judged;
3. the rope fastener at the joint of the steel wire rope is correctly clamped, and the nut is reliably screwed;
4. the suspension steel wire ropes are separated without twisting, winding and bending;
5. the hoisting machine 9, the safety lock 11 and the suspension platform are correctly installed or not, the connection is reliable or not, the connecting bolt is loosened or loosely tightened or not, and the connecting part components are deformed or cracked.
In this embodiment, the check and request after power-on in S207:
1. closing a switch in the electric box, and electrifying the electric system;
2. the change-over switch is arranged at the left position, the ascending and descending buttons of the electric box door and the control switch are respectively inching, and the motor of the left hoisting machine 9 can run forward and backward;
3. the change-over switch is arranged at the right position, the ascending and descending buttons of the electric box door and the control switch are respectively clicked, and the motor of the right hoisting machine 9 can run forward and backward;
4. the change-over switch is arranged at the middle position, the ascending and descending buttons of the electric box door and the control switch are respectively inching, and the motors of the left and right lifting machines 9 run forward and backward simultaneously;
5. the change-over switch is arranged at the middle position, after the motors of the left and right lifting machines 9 are started, a tight stop button (red) on the door of the electric box is pressed down, the motor stops rotating, and after the tight stop button is rotated to reset, the starting can be continued;
6. the change-over switch is arranged at the middle position, after the motors of the left and right lifting machines 9 are started, the contacts of the stroke switches are respectively pressed, the alarm bell gives an alarm, meanwhile, the motors stop running, and after the contacts are released, the starting can be continued;
7. then the basket is moved up and down 3-5 times, each time the height is about 3 meters, and finally the installation condition of each connection point is checked again.
Referring to fig. 7, in the present embodiment, the aluminum walkway 12 of S3 is formed by welding galvanized steel with a thickness of 100 × 100 × 6mm, and is welded to the structural steel corbel 3 by an operator through a hanging basket. Namely, two rear embedded parts are installed on the ground aiming at each hoisting position, and the pulleys are welded on the embedded parts; two lug plates are correspondingly welded at the position of the transverse I-shaped steel of the top track (namely the position of a steel corbel 3 below the aluminum sidewalk 12), the head of the steel wire rope is fixed at the position of the lug plate at the top, and the lower part of the steel wire rope penetrates through a pulley to be connected with an electric block, so that the steel wire rope is stressed loosely and tightened after being conveniently hoisted.
In this embodiment, the straight section less than 100.5m in S4 unit plate aluminum single-plate curtain wall keel and the main concrete structure are connected by mainly using HM300 × 200 × 8 × 12mmH section steel, 12mm thick channel steel ring beam, 160 × 80 × 6mm, 60 × 6mm hot-galvanized rectangular pipes; after the paying-off of the steel plate to be measured is finished, firstly, the H-shaped steel is installed on an embedded part 4 on the wall surface and serves as a connecting piece to connect a groove steel ring beam, unit type plates are assembled and processed in a processing factory through square channels of 160 x 80 x 6mm and 60 x 6mm, an adapter is installed on the groove steel ring beam and connected through high-strength bolts, the unit type aluminum single plate is fixed on the adapter through stainless steel bolts, the flatness, the color difference and the like of the outer surface are checked before the installation, and the cleaning and the acceptance are carried out after the adjustment is finished. The unit type aluminum single plates are hoisted to a specified elevation through the checked and accepted windlasses, the annular rails and the traction ropeways, and an operator stands on the constructed and protected aluminum packway 12 to install unit plates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A construction method of an annular hanging basket of a cylindrical curtain wall with an ultrahigh small diameter is characterized by comprising the following steps:
s1: a construction preparation stage, which comprises hanging basket dispatching, tower crane or elevator equipment installation, finished product protection and carrying;
s2: a hanging basket installation stage, which comprises the installation of a hanging basket suspension mechanism, the installation and debugging of a suspension platform, the installation of a lifter (9), a safety lock (11), an electric control box (10) and the like;
s3: in the stage of installing the riding track and the traction cable, construction of a structural aluminum riding track (12) is carried out based on the hanging basket device installed in S2, and a personnel operation platform and a channel are provided for subsequent construction;
s4: and in the stage of installing the curtain wall unit plate, the curtain wall unit plate is installed on the constructed and protected aluminum walkway (12).
2. The construction method of the ultra-high small diameter cylinder curtain wall annular hanging basket according to claim 1, wherein the step S1 specifically comprises the following steps:
s101: the hanging basket enters the field according to the conditions of the size of the engineering field, the using quantity, the time and the like, the dispatching is reasonably arranged, and the hanging basket enters the field in batches;
s102: a 380V power supply is prepared in a building at the position where the hanging basket is used by a construction party;
s103: in order to reduce the strength of workers for carrying hanging basket accessories into a building and improve the mounting speed of hanging baskets, tower cranes or elevator equipment are arranged for cooperation;
s104: on the floor surface using the hanging basket, basic installation conditions are required, the cantilever beam can bear certain lateral pressure, a plurality of wood boards are prepared and are padded on the cantilever beam to enhance the protection of a finished product;
s105: during carrying, the protection work of mechanical parts needs to be paid attention to prevent the parts from being lost, and horizontal carrying comprises a platform, a rope weight iron, an electrical system and the like; the vertical transportation comprises a roof suspension device, a steel wire rope and the like.
3. The construction method of the ultra-high small diameter cylinder curtain wall annular hanging basket according to claim 1, wherein the step S2 specifically comprises the following steps:
s201: installing a hanging basket hanging mechanism, wherein the hanging mechanism adopts the form of an embedded part (4), a steel corbel (3) and an annular guide rail (1), and embedding the embedded part (4) according to a construction scheme along with the construction of a barrel structure;
s202: mounting and debugging a suspension platform;
s203: mounting a hoist (9), a safety lock (11) and an electrical control box (10);
s204: rope threading inspection;
s205: the heavy hammer is arranged, and the significance of the heavy hammer is to prevent the steel wire rope from being pulled up along with the lifting of the suspension platform to influence the normal operation of the suspension platform;
s206: installing a safety rope and a rope clamp;
s207: electrifying, checking and completing the hanging basket installation stage.
4. The construction method of the annular hanging basket for the ultra-high small-diameter cylinder curtain wall as claimed in claim 3, wherein the steel corbels (3) in the S201 are welded on the embedded parts (4) by adopting No. 18I-steel with the length of 1800mm, and form inverted triangular supports with the embedded parts through the diagonal draw bars (2), and the diagonal draw bars (2) adopt No. 18I-steel; the annular guide rail (1) is processed into a radian corresponding to the structure by adopting two 18# I-steel, and is fixed at the bottom of the steel bracket (3) in a clamping manner to form the annular guide rail (1) on which a hanging basket and a winch can move in the horizontal direction.
5. The construction method of the ultra-high small diameter cylinder curtain wall annular hanging basket according to claim 3, wherein the step S202 specifically comprises the following steps: flatly placing the bottom plate (6) with the bed height of more than 200mm, aligning the butt joint of all basic sections, installing a fence piece, placing a low fence piece (7) on one side of a working surface, connecting the fence pieces by using bolts, and ensuring the flatness of the whole platform frame after pre-tightening; the hoists (9) are arranged at the two ends of the side basket, and the support of the safety lock (11) is towards the outer side of the platform during installation; after the assembly, all the connecting bolts are evenly fastened.
6. The method for constructing the annular hanging basket of the ultra-high small-diameter cylinder curtain wall as claimed in claim 1, wherein the aluminum walkway (12) in the S3 is formed by welding galvanized steel with a thickness of 100 x 6mm, and is welded on the structural steel bracket (3) through the hanging basket by an operator.
7. The method for constructing the annular hanging basket for the curtain wall with the ultra-high small diameter cylinder body as claimed in claim 1, wherein the curtain wall unit plates in the S4 are inspected for flatness, color difference and the like before installation, cleaned and checked after alignment, the unit aluminum single plates are hoisted to a specified elevation through a winch, an annular rail and a traction cableway after checking, and the curtain wall unit plates are installed on the aluminum walkway (12) which is constructed and protected.
8. An annular hanging flower basket that is applied to super high small diameter barrel curtain wall annular hanging flower basket construction method of any one of claims 1 ~ 7, the super high-rise building of small diameter include little diameter section and big diameter section, annular hanging flower basket linkage include through a plurality of steel corbels fixed to the circular orbit of little diameter section periphery and locate in sliding the circular orbit's hanging flower basket, the steel corbel is fixed in little diameter section perisporium, the circular orbit with the steel corbel is fixed, slide on the circular orbit and be equipped with the creeper, the hanging flower basket with the creeper is connected, every one end that building subject was kept away from to the steel corbel is served and is drawed the one end that has the diagonal draw bar, the other end of diagonal draw bar is fixed in on the little diameter section.
9. The ultra-high small diameter cylindrical curtain wall annular hanging basket according to claim 8, wherein each steel corbel is fixed with the small diameter section through an embedded part.
10. The ultra-high small diameter cylindrical curtain wall annular hanging basket according to claim 8, wherein the annular rail is fixed to the plurality of steel corbels by a plurality of fasteners.
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| CN202111598288.3A CN114109014A (en) | 2021-12-24 | 2021-12-24 | Ultrahigh small-diameter cylindrical curtain wall annular hanging basket and construction method thereof |
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