CN114809579B - Erection method of lifting construction platform for erecting formwork system around lighting well - Google Patents
Erection method of lifting construction platform for erecting formwork system around lighting well Download PDFInfo
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- CN114809579B CN114809579B CN202210493689.0A CN202210493689A CN114809579B CN 114809579 B CN114809579 B CN 114809579B CN 202210493689 A CN202210493689 A CN 202210493689A CN 114809579 B CN114809579 B CN 114809579B
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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
- 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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- 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
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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
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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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
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
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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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- 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 erection method of a lifting construction platform for erecting a formwork system around a lighting well, which solves the problem of how to develop a convenient lifting movable supporting platform for constructing structures around the lighting well; a rectangular horizontal frame body (6) is arranged in the daylighting well (5), a left front support leg upper end hinge seat (7), a right front support leg upper end hinge seat (8), a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat are respectively arranged on the lower bottom surface of the rectangular horizontal frame body, a left front support leg outer sleeve (9) is hinged on the left front support leg upper end hinge seat (7), a left front support leg inner sleeve (10) and a left front support angle steel (11) are movably sleeved in the lower port of the left front support leg outer sleeve, and the left front support angle steel is lapped on an L-shaped ridge at the inner side of the top end of the lower layer left floor slab beam body (3); the structures of the supporting legs connected with the hinge seats at the upper ends of the four supporting legs are the same; the lifting construction platform can be lifted along with the lifting of the construction floor.
Description
Technical Field
The invention relates to a support platform for a cast-in-place concrete high-rise building construction site, in particular to a support platform for erecting a lighting well surrounding formwork system in a corridor type high-rise building and an erection method thereof.
Background
Some high-rise buildings are in a mountain shape when overlooked at high altitude, outdoor fire-fighting galleries are arranged between two adjacent units at the notch in a layering manner, lighting wells (holes) are arranged at the inner sides of the fire-fighting galleries, walls, beams, plates and columns are arranged at the periphery of the lighting wells, and because the inner sides of the lighting wells are in a hollow state, when templates of structures around the lighting wells and reinforced steel and concrete pouring parts in the structures around the lighting wells are built, construction platforms are difficult to erect, particularly, when the construction layer is increased, full-framing scaffold cannot be adopted when the construction layer exceeds a certain height, only overhanging scaffold can be used for erecting the construction platforms, but the overhanging scaffold is complicated to erect and disassemble, and the defects of complicated working procedures, high cost and high potential safety hazard exist; how to develop a portable lifting movable supporting platform for constructing structures around a lighting well becomes a problem to be solved on a construction site.
Disclosure of Invention
The utility model provides a set up the construction platform's that lifts up that daylighting well die carrier system was used and erect method, has solved the technical problem how to develop a portable lift mobile supporting platform to carry out construction around the daylighting well.
The invention solves the technical problems by the following technical proposal:
the general conception of the invention is that: setting a rectangular frame platform in a lighting well of a high-rise building in cast-in-place concrete construction, and erecting templates of walls, beams, plates and columns around the lighting well by taking the frame platform as a support; the four corners of the lower bottom surface of the rectangular frame platform are respectively provided with a supporting leg hinge seat, each supporting leg hinge seat is hinged with a supporting leg, the bottom end of each supporting leg is welded with a supporting angle steel, the rectangular frame supporting platform with the four supporting legs is supported on the top L-shaped edges of the floor slab beams at the left side and the right side of the lighting well through the supporting angle steel, the inner sides of the supporting legs are provided with supporting leg swing transverse pull rod hinge seats, the supporting leg swing transverse pull rod hinge seats are hinged with supporting leg folding and unfolding transverse pull rods, the inner sides of the four supporting legs folding and unfolding transverse pull rods are hinged with a horizontal bottom central pin shaft arranged along the front-back direction, the four supporting legs are folded inwards and unfolded outwards in a splayed mode through the ascending and descending of the bottom central pin shaft, and are connected with lifting ropes after upwards penetrating through the rectangular frame platform and are connected with overhead hooks through a lifting tripod; when the formwork erection of the walls, beams, plates and columns around the lighting well of the construction floor is completed and concrete pouring is completed, the bottom central pin shaft is lifted upwards through the overhead crane, and the four support legs hinged to the bottom central pin shaft are retracted and placed with transverse pull rods along with the upward lifting movement of the bottom central pin shaft, the support legs are respectively driven to retract into the lighting well, so that the support angle steel is separated from the L-shaped stupefied surface at the top end of the floor plate beam, the whole platform is lifted, and the whole platform cannot collide with the poured walls, beams, plates and columns around the lighting well; after the whole supporting platform is lifted to the position of the poured floor of the previous floor by the crane, the constructors standing in the floor of the previous floor pull the lower ends of the supporting legs to the floor direction respectively and support the supporting angles on the supporting legs of the rectangular frame supporting platform of the four supporting legs by matching with the lowering of the whole supporting platform by the crane, and support the supporting angles on the L-shaped edges at the top ends of the floor girders of the previous floor on the left side and the right side of the lighting well, so the operation is repeated until the formwork erection of structures around the lighting well of each floor of the whole building body is completed.
The lifting construction platform for erecting a formwork system around a lighting well of a high-rise building comprises a lighting well in construction, wherein a poured lower left floor slab beam body, a poured lower front floor slab, a poured lower right floor slab beam body and a poured lower rear corridor are respectively arranged around the lighting well, a rectangular horizontal frame body is arranged in the lighting well, a left front support leg upper end hinge seat, a right front support leg upper end hinge seat, a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat are respectively arranged on the lower bottom surface of the rectangular horizontal frame body, and the structures of support legs connected to the four support leg upper end hinge seats are identical; a left front support leg outer sleeve is hinged on a hinge seat at the upper end of the left front support leg, a left front support leg inner sleeve is movably sleeved in a lower port of the left front support leg outer sleeve, a left front support angle steel is welded and connected at the lower end of the left front support leg inner sleeve, and the left front support angle steel is lapped on an L-shaped rib at the inner side of the top end of a lower left floor slab beam body; a right front support leg outer sleeve is hinged on a hinge seat at the upper end of the right front support leg, a right front support leg inner sleeve is movably sleeved in a lower port of the right front support leg outer sleeve, a right front support angle steel is welded and connected at the lower end of the right front support leg inner sleeve, and the right front support angle steel is lapped on an L-shaped rib at the inner side of the top end of a lower right floor slab beam body; the inner side of the lower part of the outer sleeve of the left front supporting leg is provided with a lower hinge seat of the left front supporting leg, the lower hinge seat of the left front supporting leg is hinged with a left front swinging rod, the right end of the left front swinging rod is hinged on a bottom center pin shaft, the inner side of the lower part of the outer sleeve of the right front supporting leg is provided with a lower hinge seat of the right front supporting leg, the lower hinge seat of the lower part of the right front supporting leg is hinged with a right front swinging rod, the left end of the right front swinging rod is hinged on a bottom center pin shaft, the bottom center pin shaft is horizontally arranged along the front-back direction, the bottom center pin shaft is connected with a lifting rope, the other end of the lifting rope is connected on a lifting tripod after penetrating through a rectangular horizontal frame body, and the top end of the lifting tripod is connected with an aerial lifting hook through a lifting ring.
The rectangular horizontal frame body is provided with a platform top plate, the platform top plate is provided with a climbing support for construction, the left end and the right end of the platform top plate are both provided with hinges, and the hinges are connected with gap sealing turning plates.
The erection method of the lifting construction platform for erecting the formwork system around the lighting well comprises the lighting well in construction, wherein a poured lower left floor slab beam body, a poured lower front floor slab, a poured lower right floor slab beam body and a poured lower rear corridor are respectively arranged around the lighting well, a rectangular horizontal frame body is arranged in the lighting well, and the lower bottom surface of the rectangular horizontal frame body is respectively provided with a left front support leg upper end hinge seat, a right front support leg upper end hinge seat, a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat; a left front support leg outer sleeve is hinged on the hinge seat at the upper end of the left front support leg, a left front support leg inner sleeve is movably sleeved in the lower port of the left front support leg outer sleeve, and the lower end of the left front support leg inner sleeve is welded and connected with a left front support angle steel; a right front support leg outer sleeve is hinged on a hinge seat at the upper end of the right front support leg, a right front support leg inner sleeve is movably sleeved in a lower port of the right front support leg outer sleeve, and a right front support angle steel is welded and connected at the lower end of the right front support leg inner sleeve; the inner side of the lower part of the outer sleeve of the left front supporting leg is provided with a lower hinge seat of the left front supporting leg, the lower hinge seat of the left front supporting leg is hinged with a left front swinging rod, the right end of the left front swinging rod is hinged on a bottom center pin shaft, the inner side of the lower part of the outer sleeve of the right front supporting leg is provided with a lower hinge seat of the right front supporting leg, the lower hinge seat of the lower part of the right front supporting leg is hinged with a right front swinging rod, the left end of the right front swinging rod is hinged on a bottom center pin shaft, the bottom center pin shaft is horizontally arranged along the front-back direction, the bottom center pin shaft is connected with a lifting rope, the other end of the lifting rope is connected with a lifting tripod after penetrating through a rectangular horizontal frame body, and the top end of the lifting tripod is connected with an aerial lifting hook through a lifting ring; the method is characterized by comprising the following steps of:
the method comprises the steps of firstly, overlapping left front supporting angle steel on an L-shaped ridge on the inner side of the top end of a lower left floor slab beam body, overlapping right front supporting angle steel on an L-shaped ridge on the inner side of the top end of a lower right floor slab beam body, overlapping left rear supporting angle steel on an L-shaped ridge on the inner side of the top end of a lower left floor slab beam body, overlapping right rear supporting angle steel on an L-shaped ridge on the inner side of the top end of a lower right floor slab beam body, wherein at the moment, a left front swing rod, a right front swing rod and a bottom central pin shaft are positioned in the same horizontal plane, and a left front support leg outer sleeve, a rectangular horizontal frame body, a right front support leg outer sleeve, a left front swing rod and a right front swing rod form a stable trapezoid support, so that the whole frame body is supported between the lower left floor slab beam body and the lower right floor slab beam body;
setting a construction ascending bracket on the rectangular horizontal frame body, respectively setting up a template system on the upper left floor slab beam body and setting up a template system on the upper right floor slab beam body on the rectangular horizontal frame body and the construction ascending bracket, and pouring concrete;
thirdly, when the formwork erection of the walls, beams, plates and columns around the lighting well of the construction floor is completed and concrete pouring is completed, the bottom central pin shaft is lifted upwards through the aerial lifting hook, the four support legs hinged to the bottom central pin shaft are lifted upwards along with the upward lifting movement of the bottom central pin shaft, and the transverse pull rods are retracted, so that the four support legs are respectively driven to retract into the lighting well synchronously, and each support angle steel is separated from the L-shaped stupefied surface at the top end of the floor plate beam;
and fourthly, hanging the whole lifting construction platform to a lighting well of the upper layer by a hanging ring, a lifting tripod and a hanging rope, and supporting four supporting legs on the left floor slab beam body of the upper layer and the right floor slab beam body of the upper layer.
The integral lifting construction platform can be manufactured in a processing site in advance, is integrally lifted in a lighting well when needed, and can be lifted along with the lifting of a construction floor by lifting; the site erection and dismantling are not needed, so that the time occupied by site installation on the tower crane is avoided; the layer-by-layer erection and layer-by-layer dismantling of the traditional platform are overcome.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the lifting construction platform in a side view direction;
FIG. 3 is a schematic view of the leg of the lifting construction platform of the present invention when retracted inwardly;
fig. 4 is a plan view of a lighting well of a high-rise building in cast-in-place concrete construction of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the lifting construction platform for erecting a formwork system around a lighting well of a high-rise building comprises a lighting well 5 in construction, wherein a lower left floor slab beam body 3, a lower front floor slab 1, a lower right floor slab beam body 4 and a lower rear corridor 2 which are poured are respectively arranged around the lighting well 5, a rectangular horizontal frame body 6 is arranged in the lighting well 5, a left front support leg upper end hinge seat 7, a right front support leg upper end hinge seat 8, a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat are respectively arranged on the lower bottom surface of the rectangular horizontal frame body 6, and the structures of support legs connected on the four support leg upper end hinge seats are the same; the upper end hinge seat 7 of the left front landing leg is hinged with the outer sleeve 9 of the left front landing leg, the lower port of the outer sleeve 9 of the left front landing leg is movably sleeved with the inner sleeve 10 of the left front landing leg, the lower end of the inner sleeve 10 of the left front landing leg is welded and connected with the left front support angle steel 11, the left front support angle steel 11 is lapped on the L-shaped ridge at the inner side of the top end of the lower left floor slab beam body 3, the inner sleeve 10 of the left front landing leg can be in the outer sleeve 9 of the left front landing leg to realize expansion and contraction, and the inner sleeve 10 of the left front landing leg is spliced in different pin holes through pins to realize the connection and fixation after the expansion and the contraction; a right front support leg outer sleeve 12 is hinged on the hinge seat 8 at the upper end of the right front support leg, a right front support leg inner sleeve 13 is movably sleeved in the lower port of the right front support leg outer sleeve 12, a right front support angle steel 14 is welded and connected at the lower end of the right front support leg inner sleeve 13, and the right front support angle steel 14 is lapped on an L-shaped ridge at the inner side of the top end of the lower right floor slab beam body 4; a left front leg lower hinge seat 15 is arranged on the inner side of the lower part of the left front leg outer sleeve 9, a left front swing rod 16 is hinged on the left front leg lower hinge seat 15, the right end of the left front swing rod 16 is hinged on a bottom end center pin 19, a right front leg lower hinge seat 17 is arranged on the inner side of the lower part of the right front leg outer sleeve 12, a right front swing rod 18 is hinged on the right front leg lower hinge seat 17, the left end of the right front swing rod 18 is hinged on the bottom end center pin 19, and the bottom end center pin 19 is horizontally arranged along the front-back direction; the inner side of the lower part of the outer sleeve of the left rear supporting leg is provided with a lower hinge seat of the left rear supporting leg, which has the same structure as the lower hinge seat 15 of the left front supporting leg of the outer sleeve 9 of the left front supporting leg, and the lower hinge seat of the left rear supporting leg is hinged with a left rear swinging rod; a right rear leg lower hinge seat with the same structure as the right front leg lower hinge seat 17 of the right front leg outer sleeve 12 is arranged on the inner side of the lower part of the right rear leg outer sleeve, and a right rear swing rod is hinged on the right rear leg lower hinge seat; the right end of the left rear swing rod and the left end of the right rear swing rod are both hinged on a bottom end center pin shaft 19; two parallel lifting ropes 20 are connected to the bottom center pin shaft 19, the other ends of the two parallel lifting ropes 20 penetrate through the rectangular horizontal frame body 6 and then are connected to the lifting tripod 22, and the top end of the lifting tripod 22 is connected with an aerial lifting hook through a lifting ring 23.
A platform top plate 28 is arranged on the rectangular horizontal frame body 6, a construction climbing support 21 is arranged on the platform top plate 28, and constructors enter the platform top plate 28 to set up a formwork system on the upper left floor slab beam body 26 and the upper right floor slab beam body 27; hinges 24 are arranged at the left end and the right end of the platform top plate 28, gap closing turning plates 25 are connected to the hinges 24, and after the gap closing turning plates 25 are turned outwards, the gaps outside the rectangular horizontal frame body 6 are closed, so that the safety of constructors entering the platform is guaranteed.
The erection method of the lifting construction platform for erecting a formwork system around a lighting well comprises the lighting well 5 in construction, wherein a lower left floor slab beam body 3, a lower front floor slab 1, a lower right floor slab beam body 4 and a lower rear corridor 2 which are poured are respectively arranged around the lighting well 5, a rectangular horizontal frame body 6 is arranged in the lighting well 5, a left front support leg upper end hinge seat 7, a right front support leg upper end hinge seat 8, a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat are respectively arranged on the lower bottom surface of the rectangular horizontal frame body 6, and the structures of support legs connected on the four support leg upper end hinge seats are the same; a left front support leg outer sleeve 9 is hinged on the hinge seat 7 at the upper end of the left front support leg, a left front support leg inner sleeve 10 is movably sleeved in the lower port of the left front support leg outer sleeve 9, and a left front support angle steel 11 is welded and connected at the lower end of the left front support leg inner sleeve 10; a right front support leg outer sleeve 12 is hinged on the hinge seat 8 at the upper end of the right front support leg, a right front support leg inner sleeve 13 is movably sleeved in the lower port of the right front support leg outer sleeve 12, and a right front support angle steel 14 is welded and connected at the lower end of the right front support leg inner sleeve 13; a left front leg lower hinge seat 15 is arranged on the inner side of the lower part of the left front leg outer sleeve 9, a left front swing rod 16 is hinged on the left front leg lower hinge seat 15, the right end of the left front swing rod 16 is hinged on a bottom end center pin shaft 19, a right front leg lower hinge seat 17 is arranged on the inner side of the lower part of the right front leg outer sleeve 12, a right front swing rod 18 is hinged on the right front leg lower hinge seat 17, the left end of the right front swing rod 18 is hinged on the bottom end center pin shaft 19, the bottom end center pin shaft 19 is horizontally arranged along the front-back direction, a lifting rope 20 is connected on the bottom end center pin shaft 19, the other end of the lifting rope 20 penetrates through a rectangular horizontal frame body 6 and then is connected on a lifting tripod 22, and the top end of the lifting tripod 22 is connected with an aerial lifting hook through a lifting ring 23; the method is characterized by comprising the following steps of:
the first step, the left front supporting angle steel 11 is lapped on the L-shaped ridge on the inner side of the top end of the lower left floor slab beam body 3, the right front supporting angle steel 14 is lapped on the L-shaped ridge on the inner side of the top end of the lower right floor slab beam body 4, the left rear supporting angle steel is lapped on the L-shaped ridge on the inner side of the top end of the lower left floor slab beam body 3, the right rear supporting angle steel is lapped on the L-shaped ridge on the inner side of the top end of the lower right floor slab beam body 4, at the moment, the left front swing rod 16, the right front swing rod 18 and the bottom end center pin shaft 19 are positioned in the same horizontal plane, the left front leg outer sleeve 9, the rectangular horizontal frame body 6, the right front leg outer sleeve 12, the left front swing rod 16 and the right front swing rod 18 form a stable trapezoid bracket, and the whole frame body is supported between the lower left floor slab beam body 3 and the lower right floor slab beam body 4;
setting a construction ascending bracket 21 on the rectangular horizontal frame body 6, respectively setting up a template system on the upper left floor slab beam body 26 and setting up a template system on the upper right floor slab beam body 27 on the rectangular horizontal frame body 6 and the construction ascending bracket 21, and pouring concrete;
thirdly, when the formwork erection of the walls, beams, plates and columns around the lighting well of the construction floor is completed and concrete pouring is completed, lifting the bottom end central pin shaft 19 upwards through an aerial lifting hook, lifting and moving upwards along with the bottom end central pin shaft 19, and winding and unwinding transverse pull rods of four support legs hinged on the bottom end central pin shaft 19, respectively driving the four support legs to synchronously retract into the lighting well, so that each support angle steel is separated from the top L-shaped stupefied surface of the floor slab beam;
the fourth step, the lifting hook lifts the whole lifting construction platform to the lighting well of the upper layer through a lifting ring 23, a lifting tripod 22 and a lifting rope 20, and the four supporting legs are supported on an upper left floor slab beam body 26 and an upper right floor slab beam body 27;
the integral frame body of the invention is lifted along with the improvement of layered pouring of floors, and only needs to be integrally lifted by the tower crane, thereby greatly saving the cost and time for erecting a construction platform.
Claims (2)
1. The erection method of the lifting construction platform for erecting a formwork system around a lighting well comprises the steps that a poured lower left floor slab beam body (3), a lower front floor slab (1), a lower right floor slab beam body (4) and a lower rear corridor (2) are respectively arranged around the lighting well (5), a rectangular horizontal frame body (6) is arranged in the lighting well (5), and a left front support leg upper end hinge seat (7), a right front support leg upper end hinge seat (8), a left rear support leg upper end hinge seat and a right rear support leg upper end hinge seat are respectively arranged on the lower bottom surface of the rectangular horizontal frame body (6), wherein the structures of support legs connected to the four support leg upper end hinge seats are identical; a left front support leg outer sleeve (9) is hinged on a hinge seat (7) at the upper end of the left front support leg, a left front support leg inner sleeve (10) is movably sleeved in the lower port of the left front support leg outer sleeve (9), and a left front support angle steel (11) is welded and connected at the lower end of the left front support leg inner sleeve (10); a right front support leg outer sleeve (12) is hinged on a hinge seat (8) at the upper end of the right front support leg, a right front support leg inner sleeve (13) is movably sleeved in the lower port of the right front support leg outer sleeve (12), and a right front support angle steel (14) is welded and connected at the lower end of the right front support leg inner sleeve (13); a left front support leg lower hinge seat (15) is arranged on the inner side of the lower part of the left front support leg outer sleeve (9), a left front swing rod (16) is hinged on the left front support leg lower hinge seat (15), the right end of the left front swing rod (16) is hinged on a bottom end center pin shaft (19), a right front support leg lower hinge seat (17) is arranged on the inner side of the lower part of the right front support leg outer sleeve (12), a right front swing rod (18) is hinged on the right front support leg lower hinge seat (17), the left end of the right front swing rod (18) is hinged on the bottom end center pin shaft (19), the bottom end center pin shaft (19) is horizontally arranged along the front-rear direction, a lifting rope (20) is connected on the bottom end center pin shaft (19), the other end of the lifting rope (20) penetrates through a rectangular horizontal frame body (6) and then is connected on a lifting tripod (22), and the top end of the lifting tripod (22) is connected with an aerial lifting hook through a lifting ring (23); the method is characterized by comprising the following steps of:
the method comprises the steps of firstly, overlapping left front supporting angle steel (11) on an L-shaped ridge on the inner side of the top end of a lower left floor slab beam body (3), overlapping right front supporting angle steel (14) on an L-shaped ridge on the inner side of the top end of a lower right floor slab beam body (4), overlapping left rear supporting angle steel on an L-shaped ridge on the inner side of the top end of the lower left floor slab beam body (3), overlapping right rear supporting angle steel on an L-shaped ridge on the inner side of the top end of a lower right floor slab beam body (4), wherein at the moment, a left front swing rod (16), a right front swing rod (18) and a bottom end center pin shaft (19) are positioned in the same horizontal plane, a left front leg outer sleeve (9), a rectangular horizontal frame body (6), a right front leg outer sleeve (12), a left front swing rod (16) and a right front swing rod (18) form a stable trapezoid bracket, and the whole frame body is supported between the lower left floor slab beam body (3) and the lower right floor slab beam body (4);
setting a construction ascending bracket (21) on the rectangular horizontal frame body (6), respectively setting up a template system on an upper left floor slab beam body (26) and setting up a template system on an upper right floor slab beam body (27) on the rectangular horizontal frame body (6) and the construction ascending bracket (21), and pouring concrete;
thirdly, when the formwork erection of the walls, beams, plates and columns around the lighting well of the construction floor is completed and concrete pouring is completed, the bottom end central pin shaft (19) is lifted upwards through the aerial lifting hook, and along with the upward lifting movement of the bottom end central pin shaft (19), four support legs hinged to the bottom end central pin shaft (19) are respectively driven to retract by transverse pull rods, and are synchronously retracted into the lighting well, so that each support angle steel is separated from the L-shaped corrugated surface at the top end of the floor slab beam;
and fourthly, hanging the whole lifting construction platform to a lighting well of the upper layer by a hanging ring (23), a lifting tripod (22) and a hanging rope (20), and supporting four supporting legs on an upper layer left floor slab beam body (26) and an upper layer right floor slab beam body (27).
2. The erection method of the lifting construction platform for erecting a formwork system around a lighting well according to claim 1 is characterized in that a platform top plate (28) is arranged on a rectangular horizontal frame body (6), a construction climbing support (21) is arranged on the platform top plate (28), hinges (24) are arranged at the left end and the right end of the platform top plate (28), and a gap closing turning plate (25) is connected to the hinges (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210493689.0A CN114809579B (en) | 2022-05-08 | 2022-05-08 | Erection method of lifting construction platform for erecting formwork system around lighting well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210493689.0A CN114809579B (en) | 2022-05-08 | 2022-05-08 | Erection method of lifting construction platform for erecting formwork system around lighting well |
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| CN114809579A CN114809579A (en) | 2022-07-29 |
| CN114809579B true CN114809579B (en) | 2023-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN202108242U (en) * | 2011-06-13 | 2012-01-11 | 中铁建工集团有限公司 | Elevator shaft construction scaffold device constructed and lifted together with a building main structure by layers |
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| CN214144626U (en) * | 2020-09-04 | 2021-09-07 | 长春金辉建筑工程有限公司 | Concrete pouring construction platform for large-gradient inclined roof |
| CN214575532U (en) * | 2020-12-23 | 2021-11-02 | 中天建设集团有限公司 | Lifting type steel platform arranged at corridor lighting well position |
| CN113089994A (en) * | 2021-04-20 | 2021-07-09 | 中建二局第二建筑工程有限公司 | Lighting well operation platform of high-rise building and construction method thereof |
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| CN2709407Y (en) * | 2004-03-02 | 2005-07-13 | 陈炯 | Hydraulic jip |
| CN202108242U (en) * | 2011-06-13 | 2012-01-11 | 中铁建工集团有限公司 | Elevator shaft construction scaffold device constructed and lifted together with a building main structure by layers |
| CN208815879U (en) * | 2018-09-06 | 2019-05-03 | 重庆建工住宅建设有限公司 | A kind of elevator well frame |
| CN211169690U (en) * | 2019-10-21 | 2020-08-04 | 山西汾西重工有限责任公司 | Portable long-table-face double-support manual operation lifting table |
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| CN114809579A (en) | 2022-07-29 |
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