CN217734791U - Lifting construction platform for building high-rise building lighting well peripheral formwork system - Google Patents

Abstract

The invention discloses a lifting construction platform for erecting a formwork system around a lighting well of a high-rise building, which solves the problem of how to develop a convenient lifting movable supporting platform to construct and construct structures around the lighting well; a rectangular horizontal frame body (6) is arranged in the lighting well (5), a hinge seat (7) at the upper end of a left front supporting leg, a hinge seat (8) at the upper end of a right front supporting leg, a hinge seat at the upper end of a left rear supporting leg and a hinge seat at the upper end of a right rear supporting leg are respectively arranged on the lower bottom surface of the rectangular horizontal frame body, a left front supporting leg outer sleeve (9) is hinged on the hinge seat (7) at the upper end of the left front supporting leg, a left front supporting leg inner sleeve (10) and a left front supporting angle steel (11) are movably sleeved in the lower port of the left front supporting leg outer sleeve, and the left front supporting angle steel is lapped on an L-shaped ridge at the inner side of the top end of a lower-layer left floor plate beam body (3); the structure of the supporting legs connected to the hinge bases at the upper ends of the four supporting legs is the same; the lifting construction platform can be lifted along with the lifting of the construction floor.

Description

Lifting construction platform for building high-rise building lighting well peripheral formwork system

Technical Field

The invention relates to a supporting platform for a cast-in-place concrete high-rise building construction site, in particular to a supporting platform for erecting a formwork system around a lighting well in a corridor type high-rise building and an erection method thereof.

Background

Some high-rise buildings are in a shape of Chinese character 'shan' when viewed from above, outdoor fire-fighting galleries are arranged between two adjacent units at the notches in a layered mode, lighting wells (holes) are arranged on the inner sides of the fire-fighting galleries, walls, beams, plates and columns are arranged on the peripheries 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 are erected and reinforcing steel bars and concrete pouring parts in the structures around the lighting wells are constructed, construction platform erection is difficult, particularly, with the improvement of a construction layer, when the height of the construction layer exceeds a certain height, full red scaffolds cannot be adopted, only overhanging scaffolds can be used for erecting the construction platform, but the erection and the dismantling of the overhanging scaffolds have the defects of complicated working procedures, high cost and large potential safety hazards; how to develop a portable and liftable mobile supporting platform to implement the construction around the lighting well becomes a problem to be solved in the construction field.

Disclosure of Invention

A lifting construction platform for building a formwork system around a high-rise building lighting well solves the technical problem of how to develop a convenient lifting movable supporting platform to construct structures around the lighting well.

The invention solves the technical problems through the following technical scheme:

the general concept of the invention is: arranging 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 method comprises the steps that a supporting leg hinge seat is arranged at four angular positions of the lower bottom surface of a rectangular frame platform, a supporting leg is hinged to each supporting leg hinge seat, a supporting angle steel is welded at the bottom end of each supporting leg, the rectangular frame supporting platform with the four supporting legs is supported on an L-shaped ridge at the top end of floor slab beams on the left side and the right side of a lighting well through the supporting angle steel, a supporting leg swinging transverse pull rod hinge seat is arranged on the inner side of each supporting leg, a supporting leg swinging transverse pull rod retracting transverse pull rod is hinged to each supporting leg hinge seat, the inner side ends of the four supporting legs retracting transverse pull rods are hinged to a horizontal bottom end central pin shaft arranged in the front-back direction, inward retracting and outward splay opening of the four supporting legs are achieved through ascending and descending of the bottom end central pin shaft, a lifting rope is connected to the bottom end central pin shaft, and the lifting rope penetrates through the rectangular frame platform upwards and then is connected with an aerial lifting hook through a lifting tripod; when the building of the wall, beam, plate and column templates around the lighting well of the construction floor is completed and concrete pouring is completed, the bottom central pin shaft is lifted upwards through an air crane, the four supporting legs hinged on the bottom central pin shaft retract and release transverse pull rods along with the upward lifting movement of the bottom central pin shaft, so that the supporting legs are respectively driven to retract into the lighting well, the supporting angle steel is separated from the top L-shaped corrugated surface of the floor plate beam, the whole platform is lifted, and the whole platform cannot collide with the wall, beam, plate and column poured around the lighting well; after the crane lifts the whole supporting platform to the position of the poured floor of the upper floor, constructors standing in the floor plate of the upper floor respectively pull the lower ends of the supporting legs towards the direction of the floor plate and are matched with the crane to lower the whole supporting platform, so that the supporting angle steel on the supporting legs of the rectangular frame supporting platform of the four supporting legs is supported on the L-shaped ridges at the top ends of the floor plate beams of the upper floor at the left side and the right side of the lighting well, and the steps are repeated until the building templates of the structures around the lighting well of each floor of the whole building are erected.

A lifting construction platform for building a formwork system around a high-rise building lighting well comprises a lighting well in construction, wherein a lower-layer left floor slab beam body, a lower-layer front floor slab, a lower-layer right floor slab beam body and a lower-layer rear gallery which are poured are arranged around the lighting well respectively, a rectangular horizontal frame body is arranged in the lighting well, a left front supporting leg upper end hinge base, a right front supporting leg upper end hinge base, a left rear supporting leg upper end hinge base and a right rear supporting leg upper end hinge base are arranged on the lower bottom surface of the rectangular horizontal frame body respectively, and the structures of supporting legs connected on the four supporting leg upper end hinge bases are the same; a left front supporting leg outer sleeve is hinged to a hinge seat at the upper end of the left front supporting leg, a left front supporting leg inner sleeve is movably sleeved in a lower port of the left front supporting leg outer sleeve, a left front supporting angle steel is welded and connected to the lower end of the left front supporting leg inner sleeve, and the left front supporting angle steel is lapped on an L-shaped ridge on the inner side of the top end of a lower-layer left floor plate beam body; a right front supporting leg outer sleeve is hinged to a hinge seat at the upper end of the right front supporting leg, a right front supporting leg inner sleeve is movably sleeved in a lower port of the right front supporting leg outer sleeve, the lower end of the right front supporting leg inner sleeve is connected with a right front supporting angle steel in a welding mode, and the right front supporting angle steel is lapped on an L-shaped ridge on the inner side of the top end of a lower-layer right-side floor plate beam body; the left front leg lower hinge seat is arranged on the inner side of the lower portion of the left front leg outer sleeve, a left front swing rod is hinged to the left front leg lower hinge seat, the right end of the left front swing rod is hinged to a bottom center pin shaft, a right front leg lower hinge seat is arranged on the inner side of the lower portion of the right front leg outer sleeve, a right front swing rod is hinged to the right front leg lower hinge seat, the left end of the right front swing rod is hinged to a bottom center pin shaft, the bottom center pin shaft is horizontally arranged along the front-back direction, a lifting rope is connected to the bottom center pin shaft, a rectangular horizontal support body penetrates through the other end of the lifting rope and then is connected to a lifting tripod, and the top end of the lifting tripod is connected with an aerial lifting hook through a lifting ring.

Be provided with the platform roof on rectangle horizontal support body, be provided with construction on the platform roof and use the support of ascending a height, both ends all are provided with the hinge about the platform roof, are connected with the gap on the hinge and seal and turn over the board.

A method for erecting a lifting construction platform for erecting a formwork system around a lighting well comprises the lighting well in construction, a lower-layer left floor plate beam body, a lower-layer front floor plate, a lower-layer right floor plate beam body and a lower-layer rear vestibule are arranged around the lighting well in a poured manner, a rectangular horizontal frame body is arranged in the lighting well, a left front supporting leg upper end hinge seat, a right front supporting leg upper end hinge seat, a left rear supporting leg upper end hinge seat and a right rear supporting leg upper end hinge seat are arranged on the lower bottom surface of the rectangular horizontal frame body, and the structures of supporting legs connected on the four supporting leg upper end hinge seats are the same; a left front supporting leg outer sleeve is hinged on a hinge seat at the upper end of the left front supporting leg, a left front supporting leg inner sleeve is movably sleeved in the lower port of the left front supporting leg outer sleeve, and a left front supporting angle steel is welded and connected to the lower end of the left front supporting leg inner sleeve; a right front supporting leg outer sleeve is hinged to a hinge seat at the upper end of the right front supporting leg, a right front supporting leg inner sleeve is movably sleeved in a lower port of the right front supporting leg outer sleeve, and a right front supporting angle steel is connected to the lower end of the right front supporting leg inner sleeve in a welding mode; the inner side of the lower part of the left front leg outer sleeve is provided with a left front leg lower part hinge seat, a left front swing rod is hinged on the left front leg lower part hinge seat, the right end of the left front swing rod is hinged on a bottom end center pin shaft, the inner side of the lower part of the right front leg outer sleeve is provided with a right front leg lower part hinge seat, a right front swing rod is hinged on the right front leg lower part hinge seat, the left end of the right front swing rod is hinged on a bottom end center pin shaft, the bottom end center pin shaft is horizontally arranged along the front-back direction, a lifting rope is connected on the bottom end center pin shaft, the other end of the lifting rope penetrates through a rectangular horizontal frame body and then is connected on a lifting tripod, 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:

the method comprises the following steps that firstly, a left front supporting angle steel is lapped on an inner L-shaped edge at the top end of a lower-layer left floor plate beam body, a right front supporting angle steel is lapped on an inner L-shaped edge at the top end of a lower-layer right floor plate beam body, a left rear supporting angle steel is lapped on an inner L-shaped edge at the top end of a lower-layer left floor plate beam body, and a right rear supporting angle steel is lapped on an inner L-shaped edge at the top end of a lower-layer right floor plate beam body;

secondly, arranging a construction ascending support on the rectangular horizontal support body, respectively erecting a template system on the left floor slab beam body of the upper layer and a template system on the right floor slab beam body of the upper layer on the rectangular horizontal support body and the construction ascending support, and pouring concrete;

thirdly, after the building of the wall, beam, plate and column templates around the lighting well of the construction floor is completed and concrete pouring is completed, the bottom center pin shaft is lifted upwards through an aerial lifting hook and moves upwards along with the lifting of the bottom center pin shaft, and the four supporting legs hinged on the bottom center pin shaft receive and release transverse pull rods, so that the four supporting legs are respectively driven to be synchronously retracted into the lighting well, and each supporting angle steel is separated from the L-shaped corrugated surface at the top end of the floor slab beam;

and fourthly, hoisting the whole lifting construction platform to the position of the daylighting well on the upper floor by the lifting hook through the lifting ring, the lifting tripod and the lifting rope, and erecting four support legs on the upper left floor plate beam body and the upper right floor plate beam body.

The integral lifting construction platform can be manufactured in a processing field in advance, is integrally lifted in a lighting well when needed, and can be lifted along with the lifting of a construction floor through lifting; the tower crane does not need to be erected and dismantled on site, so that the time of occupying the tower crane during on-site installation is avoided; the problem that the traditional platform is built layer by layer and dismantled layer by layer is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention elevated construction platform;

FIG. 3 is a schematic view of the legs of the elevating 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 accompanying drawings:

a lifting construction platform for building a formwork system around a high-rise building lighting well comprises a lighting well 5 in construction, wherein a lower-layer left floor plate beam body 3, a lower-layer front floor plate 1, a lower-layer right floor plate beam body 4 and a lower-layer rear vestibule 2 which are poured are arranged around the lighting well 5 respectively, a rectangular horizontal frame body 6 is arranged in the lighting well 5, a left front supporting leg upper end hinge seat 7, a right front supporting leg upper end hinge seat 8, a left rear supporting leg upper end hinge seat and a right rear supporting leg upper end hinge seat are arranged on the lower bottom surface of the rectangular horizontal frame body 6 respectively, and the structures of supporting legs connected on the four supporting leg upper end hinge seats are the same; a left front leg outer sleeve 9 is hinged to the hinge seat 7 at the upper end of the left front leg, a left front leg inner sleeve 10 is movably sleeved in a lower port of the left front leg outer sleeve 9, a left front support angle steel 11 is welded and connected to the lower end of the left front leg inner sleeve 10, the left front support angle steel 11 is lapped on an L-shaped ridge on the inner side of the top end of the lower-layer left floor slab beam body 3, the left front leg inner sleeve 10 can be inserted into the left front leg outer sleeve 9 to realize extension and retraction, and the left front leg inner sleeve and the left front leg outer sleeve are inserted into different pin holes through pins to realize connection and fixation after extension and retraction; a right front supporting leg outer sleeve 12 is hinged to a hinge seat 8 at the upper end of a right front supporting leg, a right front supporting leg inner sleeve 13 is movably sleeved in a lower port of the right front supporting leg outer sleeve 12, a right front supporting angle steel 14 is connected to the lower end of the right front supporting leg inner sleeve 13 in a welding mode, and the right front supporting angle steel 14 is lapped on an L-shaped ridge on the inner side of the top end of the lower-layer right-side floor plate 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 central 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 and the left end of the right front swing rod 18 are hinged on the right front leg lower hinge seat 17, and the bottom end central pin shaft 19 is horizontally arranged along the front-back direction; a lower part hinge seat of the left rear leg, which has the same structure with the lower part hinge seat 15 of the left front leg outer sleeve 9, is arranged at the inner side of the lower part of the left rear leg outer sleeve, and a left rear swing rod is hinged on the lower part hinge seat of the left rear leg; 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 central pin shaft 19; two parallel lifting ropes 20 are connected to the bottom end 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 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.

A platform top plate 28 is arranged on the rectangular horizontal frame body 6, a construction ascending support 21 is arranged on the platform top plate 28, and a constructor enters the platform top plate 28 to erect a frame 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, a gap sealing turning plate 25 is connected to the hinges 24, and after the gap sealing turning plate 25 is turned outwards, the gap outside the rectangular horizontal frame body 6 is sealed, and safety of constructors entering the platform is guaranteed.

A method for erecting a lifting construction platform for erecting a formwork system around a lighting well comprises the lighting well 5 during construction, a lower-layer left floor slab beam body 3, a lower-layer front floor slab 1, a lower-layer right floor slab beam body 4 and a lower-layer rear vestibule 2 which are poured are arranged around the lighting well 5 respectively, a rectangular horizontal frame body 6 is arranged in the lighting well 5, a left front supporting leg upper end hinge seat 7, a right front supporting leg upper end hinge seat 8, a left rear supporting leg upper end hinge seat and a right rear supporting leg upper end hinge seat are arranged on the lower bottom surface of the rectangular horizontal frame body 6 respectively, and the structures of supporting legs connected on the four supporting leg upper end hinge seats are the same; a left front supporting leg outer sleeve 9 is hinged on the hinge seat 7 at the upper end of the left front supporting leg, a left front supporting leg inner sleeve 10 is movably sleeved in the lower port of the left front supporting leg outer sleeve 9, and a left front supporting angle steel 11 is welded and connected at the lower end of the left front supporting leg inner sleeve 10; a right front supporting leg outer sleeve 12 is hinged on a hinge seat 8 at the upper end of the right front supporting leg, a right front supporting leg inner sleeve 13 is movably sleeved in the lower port of the right front supporting leg outer sleeve 12, and a right front supporting angle steel 14 is welded at the lower end of the right front supporting 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 central 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 central pin shaft 19, the bottom end central pin shaft 19 is horizontally arranged along the front-back direction, a lifting rope 20 is connected on the bottom end central pin shaft 19, the other end of the lifting rope 20 penetrates through a rectangular horizontal frame body 6 and then is connected onto 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:

firstly, lapping a left front support angle steel 11 on an inner L-shaped edge at the top end of a lower-layer left floor slab beam body 3, lapping a right front support angle steel 14 on an inner L-shaped edge at the top end of a lower-layer right floor slab beam body 4, lapping a left rear support angle steel on an inner L-shaped edge at the top end of the lower-layer left floor slab beam body 3, lapping a right rear support angle steel on an inner L-shaped edge at the top end of the lower-layer right floor slab beam body 4, wherein a left front swing rod 16, a right front swing rod 18 and a bottom center pin shaft 19 are positioned in the same horizontal plane, and a left front leg outer sleeve 9, a rectangular horizontal support 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 trapezoidal support so that the whole support body is supported between the lower-layer left floor slab beam body 3 and the lower-layer right floor slab beam body 4;

secondly, arranging a construction ascending support 21 on the rectangular horizontal support body 6, respectively erecting a template system on the left floor slab beam body 26 on the upper layer and the template system on the right floor slab beam body 27 on the upper layer on the rectangular horizontal support body 6 and the construction ascending support 21, and pouring concrete;

thirdly, after the formworks of walls, beams, plates and columns around the lighting well of the construction floor are built and concrete pouring is finished, the bottom end central pin shaft 19 is lifted upwards through an aerial lifting hook and moves upwards along with the lifting of the bottom end central pin shaft 19, and the four supporting legs hinged on the bottom end central pin shaft 19 receive and release transverse pull rods, so that the four supporting legs are respectively driven to be synchronously retracted into the lighting well, and each supporting angle steel is separated from the L-shaped corrugated surface at the top end of the floor slab beam;

fourthly, the whole lifting construction platform is lifted to the position of the lighting well on the upper floor by a lifting hook through a lifting ring 23, a lifting tripod 22 and a lifting rope 20, and four supporting legs are supported on an upper left floor plate beam body 26 and an upper right floor plate beam body 27;

the integral frame body rises along with the improvement of layered pouring of floors, and is integrally lifted only by the tower crane, so that the cost and time for building a construction platform are greatly saved.

Claims (2)

1. A lifting construction platform for erecting a formwork system around a high-rise building lighting well comprises a lighting well (5) in construction, wherein a lower-layer left floor plate beam body (3), a lower-layer front floor plate (1), a lower-layer right floor plate beam body (4) and a lower-layer rear corridor (2) which are poured are arranged around the lighting well (5) respectively, and the lifting construction platform is characterized in that 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 arranged on the lower bottom surface of the rectangular horizontal frame body (6) respectively, and the support legs connected to the four support leg upper end hinge seats are identical in structure; a left front supporting leg outer sleeve (9) is hinged to a hinge seat (7) at the upper end of the left front supporting leg, a left front supporting leg inner sleeve (10) is movably sleeved in a lower port of the left front supporting leg outer sleeve (9), the lower end of the left front supporting leg inner sleeve (10) is connected with a left front supporting angle steel (11) in a welding mode, and the left front supporting angle steel (11) is lapped on an L-shaped ridge on the inner side of the top end of a lower-layer left floor plate beam body (3); a right front supporting leg outer sleeve (12) is hinged to a hinge seat (8) at the upper end of the right front supporting leg, a right front supporting leg inner sleeve (13) is movably sleeved in the lower port of the right front supporting leg outer sleeve (12), a right front supporting angle steel (14) is welded and connected to the lower end of the right front supporting leg inner sleeve (13), and the right front supporting angle steel (14) is lapped on an L-shaped ridge on the inner side of the top end of a lower-layer right-side floor plate beam body (4); the lower inner side of the lower part of a left front leg outer sleeve (9) is provided with a left front leg lower hinge seat (15), the left front leg lower hinge seat (15) is hinged with a left front swing rod (16), the right end of the left front swing rod (16) is hinged on a bottom end central pin shaft (19), the lower inner side of a right front leg outer sleeve (12) is provided with a right front leg lower hinge seat (17), the right front leg lower hinge seat (17) is hinged with a right front swing rod (18), the left end of the right front swing rod (18) is hinged on the bottom end central pin shaft (19), the bottom end central pin shaft (19) is horizontally arranged along the front-back direction, the bottom end central pin shaft (19) is connected with a lifting rope (20), the other end of the lifting rope (20) penetrates through a rectangular horizontal frame body (6) and then is connected to 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).

2. The lifting construction platform for erecting the formwork system around the lighting well of the high-rise building according to the claim 1 is characterized in that a platform top plate (28) is arranged on a rectangular horizontal frame body (6), a construction ascending 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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