CN114704067A - Method for erecting and lifting foldable platform in elevator shaft - Google Patents

Method for erecting and lifting foldable platform in elevator shaft Download PDF

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Publication number
CN114704067A
CN114704067A CN202210477159.7A CN202210477159A CN114704067A CN 114704067 A CN114704067 A CN 114704067A CN 202210477159 A CN202210477159 A CN 202210477159A CN 114704067 A CN114704067 A CN 114704067A
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CN
China
Prior art keywords
shaft
swing rod
elevator shaft
support
lifting
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Granted
Application number
CN202210477159.7A
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Chinese (zh)
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CN114704067B (en
Inventor
申腾
徐震
张建青
王虹
杨芳
邢鸽
田海军
焦鹏飞
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Shanxi Sanjian Group Co Ltd
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Shanxi Sanjian Group Co Ltd
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Priority to CN202210477159.7A priority Critical patent/CN114704067B/en
Publication of CN114704067A publication Critical patent/CN114704067A/en
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Publication of CN114704067B publication Critical patent/CN114704067B/en
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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00—Vertical ducts; Channels, e.g. for drainage
    • E04F17/005—Lift shafts
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • 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)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention discloses a method for erecting and lifting a folding platform in an elevator shaft, which can be safely and stably supported in the shaft; the left and right oppositely-pulling support steel bars (7) are connected between a left wall body middle oppositely-pulling bolt hole (6) and a right wall body middle oppositely-pulling bolt hole (3) in a penetrating mode, a central main shaft (8) is lapped in the middle of the left and right oppositely-pulling support steel bars (7), three X-shaped cross bracing supports are hinged to the central main shaft (8) at intervals, a right hinge seat is arranged on the upper portion of a rightwards-inclined swing rod (9) of each X-shaped cross bracing support, a left hinge seat is arranged on the upper portion of a leftwards-inclined swing rod (10) of each X-shaped cross bracing support, the lower end of an upper right swing rod (16) is hinged to the right hinge seat through a right hinge pin (18), the lower end of an upper left swing rod (15) is hinged to the left hinge seat through a left hinge pin (17), and the upper end of the upper left swing rod (15) is hinged to the upper end of the upper right swing rod (16) through a top hinge pin (19).

Description

Method for erecting and lifting foldable platform in elevator shaft
Technical Field
The invention relates to a platform support for formwork erection in civil construction, in particular to an integrally-lifted folding type platform capable of finishing formwork erection on the inner side of an elevator shaft wall body and a supporting and lifting method thereof.
Background
In the concrete pouring construction of a high-rise building, the whole building is poured layer by layer from bottom to top, the support of the inner side template of the elevator shaft concrete pouring wall is an important link in the construction, the support is completed with other concrete pouring templates on the same floor at the same layer at the same time, when all the templates on one layer are supported, the concrete on the layer is poured at one time, and when the poured concrete reaches the form removal strength, the template on the layer is removed, and then the concrete pouring template on the upper layer is erected; the template erection of the inner wall of the elevator shaft is synchronous with the templates on the same layer; the existing elevator shaft erecting platform is that a cantilever bracket extending into an elevator shaft is erected on a finished floor plate, a template erecting platform bracket of the wall body in the elevator shaft is erected on the cantilever bracket, the height of the template erecting platform bracket reaches the position of the wall body poured in the elevator shaft, a site constructor stands on the template erecting platform bracket, and an inner side template of the elevator shaft concrete pouring wall body is erected; the bracket with the structure requires that a template supporting platform bracket erected on the cantilever bracket cannot be too high so as to avoid the instability of the bracket; however, with the continuous rising of the pouring of the floors, new cantilever brackets are required to be continuously arranged on the higher floor plates along with the rising of the floors, and the templates are repeatedly erected to erect the platform supports, so that the method for erecting the templates on the inner side of the elevator shaft wall has the defect that the platforms are repeatedly erected for many times, and the cantilever brackets extending into the floors have the defect of influencing the normal construction in the floors, and are time-consuming and labor-consuming; in the prior art, an elevator shaft construction platform is designed to be of an integral lifting type, the integral platform is supported on a cross beam of a poured elevator door opening through an inclined strut at the bottom, the inner side end of the upper part of the integral platform is abutted against the inner side wall of an elevator shaft, the balance degree of the platform is poor, and a table top is in an inclined state, so that the erection of an upper support of the platform is influenced; in addition, whole platform weight is great, in the promotion in-process, still exists and collides with the elevator shaft inner wall easily, causes the defect of inner wall damage.
Disclosure of Invention
The invention provides a method for erecting and lifting a folding platform in an elevator shaft, which achieves the purposes of light weight, maximally protecting the wall in the shaft during lifting and safely and stably supporting the folding platform in the shaft.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: three X-shaped bridging supports which are arranged at intervals in parallel are connected in series through a central main shaft, and the central main shaft is also a central hinged pin shaft of each X-shaped bridging support; the three X-shaped cross-bracing supports can be folded and folded, can be unfolded and cross-bridged to be supported on the side wall of the elevator shaft, are supported on a vertical side wall body through the friction force and the suction force between the support feet and the side wall of the elevator shaft, and are provided with an elevator shaft construction operating platform on the supporting underframe; the folding device is characterized in that an inverted V-shaped swing arm is hinged between two upper swing arms of an X-shaped bridging support above a central main shaft, the two swing arms of the inverted V-shaped swing arm and the two crossed swing arms of the X-shaped bridging support form a four-bar linkage mechanism, a top end hinged shaft of the inverted V-shaped swing arm is also a top end through shaft penetrating through the inverted V-shaped swing arms, the four-bar linkage mechanism is folded by the upper ceiling end through shaft, the four-bar linkage mechanism is opened by pressing the top end through shaft downwards, namely the X-shaped bridging support is opened, and the X-shaped bridging support is erected and supported between walls on the left side and the right side of an elevator shaft hole.
An integral lifting folding type platform for construction in an elevator shaft comprises a poured elevator shaft, wherein a right wall body upper part split bolt hole and a right wall body middle part split bolt hole are respectively arranged on a right wall body of the elevator shaft on the right side of a poured elevator shaft door opening, a left wall body upper part split bolt hole and a left wall body middle part split bolt hole are respectively arranged on a left wall body of the elevator shaft on the left side of the poured elevator shaft door opening, left and right split support reinforcing steel bars are connected between the left wall body middle part split bolt hole and the right wall body middle part split bolt hole in a penetrating way, a central main shaft is lapped at the middle parts of the left and right split support reinforcing steel bars and is arranged along the front-back horizontal direction, and a first X-shaped bridging support, a second X-shaped bridging support and a third X-shaped bridging support are hinged on the central main shaft at intervals along the front-back direction, the three X-shaped cross-brace brackets are identical in structure; the upper portion of the rightwards inclined swing rod of the first X-shaped bridging support is provided with a right hinge seat, the upper portion of the leftwards inclined swing rod of the first X-shaped bridging support is provided with a left hinge seat, the lower end of the rightwards upper swing rod is hinged to the right hinge seat through a right hinge pin, the lower end of the leftwards upper swing rod is hinged to the left hinge seat through a left hinge pin, the upper end of the leftwards upper swing rod and the upper end of the rightwards upper swing rod are hinged together through a top end hinge shaft, a right upright rod support is arranged at the top end of the rightwards inclined swing rod, a left rubber suction cup is arranged at the bottom end of the rightwards inclined swing rod, a left upright rod support is arranged at the top end of the leftwards inclined swing rod, and a right rubber suction cup is arranged at the bottom end of the leftwards inclined swing rod.
A left rubber sucker hinging seat is arranged on the left rubber sucker and hinged to the bottom end of the rightward inclined oscillating bar through the left rubber sucker hinging seat, a right rubber sucker hinging seat is arranged on the right rubber sucker and hinged to the bottom end of the leftward inclined oscillating bar through the right rubber sucker hinging seat; the lower part of the rightward-inclined swing rod is provided with a left lower lifting ring, the left lower lifting ring is connected with a left anti-falling lifting rope, the upper end of the left anti-falling lifting rope penetrates through a left wall upper part split bolt hole and is arranged outside the elevator shaft, the lower part of the leftward-inclined swing rod is provided with a right lower lifting ring, the right lower lifting ring is connected with a right anti-falling lifting rope, the upper end of the right anti-falling lifting rope penetrates through a right wall upper part split bolt hole and is arranged outside the elevator shaft.
A left air inlet valve is arranged on the left rubber suction cup, a left air inlet valve cover pull rope is arranged on a valve cover of the left air inlet valve, a right air inlet valve is arranged on the right rubber suction cup, and a right air inlet valve cover pull rope is arranged on a valve cover of the right air inlet valve; a lifting hook is arranged on the top end articulated shaft.
A left hinge is arranged on a left vertical surface of the left upright support, a left gap plugging turning plate is connected to the left hinge, a right hinge is arranged on a right vertical surface of the right upright support, and a right gap plugging turning plate is connected to the right hinge; the left upper cover plate is arranged on the upper left swing rod, the right upper cover plate is arranged on the upper right swing rod, the left side supporting cover plate is arranged on the left side leftwards inclined swing rod of the upper left swing rod, and the right side supporting cover plate is arranged on the right side rightwards inclined swing rod on the right side of the upper right swing rod.
The utility model provides a method is erected and is promoted to foldable platform in elevartor shaft, includes the elevartor shaft of having built the completion, on the elevartor shaft right side wall body on the elevartor shaft door opening right side of having built the completion, is provided with right side wall body upper portion split bolt hole and right side wall body middle part split bolt hole respectively, on the left elevartor shaft left side wall body of elevartor shaft door opening of having built the completion, is provided with left side wall body upper portion split bolt hole and left side wall body middle part split bolt hole respectively, its characterized in that following step:
step one, taking a steel bar as a central main shaft, and enabling the length of the central main shaft to be smaller than the distance between the front inner wall and the rear inner wall of the poured elevator shaft; the central main shaft is used as a hinge pin, a first X-shaped bridging bracket, a second X-shaped bridging bracket and a third X-shaped bridging bracket are arranged on the central main shaft at intervals, and the three X-shaped bridging brackets have the same size and structure and jointly form an integral bracket body;
secondly, arranging a right hinge seat at the upper part of a rightwards inclined swing rod of the X-shaped bridging bracket, arranging a left hinge seat at the upper part of the leftwards inclined swing rod, hinging the lower end of a right upper swing rod on the right hinge seat through a right hinge pin, hinging the lower end of the left upper swing rod on the left hinge seat through a left hinge pin, hinging the upper end of the left upper swing rod and the upper end of the right upper swing rod together through a top end hinging shaft, wherein the right hinge pin, the left hinge pin and the top end hinging shaft are respectively a through shaft and correspondingly penetrate through the corresponding hinge seats on the X-shaped bridging bracket, and the length of the right hinge pin, the length of the left hinge pin and the length of the top end hinging shaft are all equal to the length of the central main shaft; the left rubber suction cup is arranged at the top end of the leftward inclined oscillating bar, the right rubber suction cup is arranged at the bottom end of the leftward inclined oscillating bar, the left upright support is arranged at the top end of the leftward inclined oscillating bar, the right rubber suction cup is arranged at the bottom end of the leftward inclined oscillating bar, the left air inlet valve is arranged on the left rubber suction cup, the right air inlet valve is arranged on the right rubber suction cup, and two lifting hooks are arranged on a top hinged shaft;
thirdly, connecting left and right counter-pulling support steel bars between the left wall body middle counter-pulling bolt hole and the right wall body middle counter-pulling bolt hole in a penetrating manner, wherein the left and right counter-pulling support steel bars are arranged at equal intervals along the front-back direction;
fourthly, hoisting the assembled integral frame body into a poured elevator shaft, enabling a central main shaft to be lapped on left and right oppositely-pulled supporting steel bars, removing a lifting hook, leveling the integral support, then pressing a top end hinging shaft downwards, enabling a left upper swing rod and a right upper swing rod to be opened in the left and right directions, simultaneously driving a right inclined swing rod and a left inclined swing rod to be opened in the left and right directions, buckling a left rubber suction cup at the lower end of the right inclined swing rod on a side elevation of a left wall body of the elevator shaft, and buckling a right rubber suction cup at the lower end of the left inclined swing rod on a side elevation of a right wall body of the elevator shaft; continuously pressing the top end hinged shaft downwards, inclining the lower end of the swing rod rightwards, continuously extruding air in the left rubber sucker to enable the air to be firmly adsorbed on the side vertical face of the left wall body of the elevator shaft, meanwhile, inclining the lower end of the swing rod leftwards, continuously extruding air in the right rubber sucker to enable the air to be firmly adsorbed on the side vertical face of the right wall body of the elevator shaft, and simultaneously adsorbing the six rubber suckers on the three X-shaped cross bracing supports on the side wall of the inner wall body of the elevator shaft to form a support for the whole support body;
and fifthly, taking a left vertical rod support and a right vertical rod support on the X-shaped cross bracing support as supports, erecting a construction operation platform on the six vertical rod supports, and enabling an operator to enter the construction operation platform to erect a previous layer of elevator shaft wall pouring formwork.
The integral platform can be lifted layer by layer through the tower crane along with the rise of the main body structure, and has the characteristics of convenient lifting, high construction speed, less occupied area and guaranteed safe operation; the inner wall of the well can be protected to the maximum extent during lifting, the support platform support is light and convenient to fold and open, and the support platform can be repeatedly used after being manufactured at one time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the elevator shaft of the present invention after left and right counter-pulling support bars 7 are provided;
FIG. 3 is a schematic structural diagram of an integral support frame body composed of three X-shaped cross-support frames according to the present invention;
FIG. 4 is a schematic structural view of the integral supporting frame of the present invention after a cover plate is provided thereon;
fig. 5 is a schematic structural view of an X-shaped scissor bracket of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
the utility model provides a construction is with foldable platform of monolithic lifting in elevartor shaft, including the elevartor shaft of having built, on the elevartor shaft right side wall body 1 on the elevartor shaft door opening right side of having built, be provided with right side wall body upper portion split bolt hole 2 and right side wall body middle part split bolt hole 3 respectively, on left elevartor shaft left side wall body 4 in the elevartor shaft door opening of having built, be provided with left side wall body upper portion split bolt hole 5 and left side wall body middle part split bolt hole 6 respectively, between left side wall body middle part split bolt hole 6 and right side wall body middle part split bolt hole 3, cross-under have control split bracing reinforcing bar 7, the middle part overlap joint of controlling split bracing reinforcing bar 7 has central main shaft 8, central main shaft 8 is along horizontal direction setting from beginning to end, on central main shaft 8, along the direction from the past to the back, it has first X shape to articulate at intervals, The X-shaped cross brace comprises a second X-shaped cross brace bracket and a third X-shaped cross brace bracket, wherein the structures of the three X-shaped cross brace brackets are completely the same; the upper portion of a rightwards inclined swing rod 9 of a first X-shaped bridging support is provided with a right hinge seat, the upper portion of a leftwards inclined swing rod 10 of the first X-shaped bridging support is provided with a left hinge seat, the lower end of a rightwards upper swing rod 16 is hinged to the right hinge seat through a right pin shaft 18, the lower end of a leftwards upper swing rod 15 is hinged to the left hinge seat through a left pin shaft 17, the upper end of the leftwards upper swing rod 15 and the upper end of the rightwards upper swing rod 16 are hinged together through a top end hinge shaft 19, the top end of the rightwards inclined swing rod 9 is provided with a right upright rod support 22, the bottom end of the rightwards inclined swing rod 9 is provided with a left rubber suction cup 11, the top end of the leftwards inclined swing rod 10 is provided with a left upright rod support 21, and the bottom end of the leftwards inclined swing rod 10 is provided with a right rubber suction cup 14.
A left rubber sucker hinging seat 12 is arranged on the left rubber sucker 11, the left rubber sucker 11 is hinged at the bottom end of the rightward inclined oscillating bar 9 through the left rubber sucker hinging seat 12, a right rubber sucker hinging seat 13 is arranged on the right rubber sucker 14, and the right rubber sucker 14 is hinged at the bottom end of the leftward inclined oscillating bar 10 through the right rubber sucker hinging seat 13; the lower part of the rightward-inclined swing rod 9 is provided with a left lower hanging ring 36, the left lower hanging ring 36 is connected with a left anti-falling hanging rope 25, the upper end of the left anti-falling hanging rope 25 is arranged outside the elevator shaft after passing through a left wall upper part split bolt hole 5, the lower part of the leftward-inclined swing rod 10 is provided with a right lower hanging ring 38, the right lower hanging ring 38 is connected with a right anti-falling hanging rope 26, and the upper end of the right anti-falling hanging rope 26 is arranged outside the elevator shaft after passing through a right wall upper part split bolt hole 2.
A left air inlet valve 35 is arranged on the left rubber suction cup 11, a left air inlet valve cover pull rope 23 is arranged on a valve cover of the left air inlet valve 35, a right air inlet valve 37 is arranged on the right rubber suction cup 14, and a right air inlet valve cover pull rope 24 is arranged on a valve cover of the right air inlet valve 37; a lifting hook 20 is provided on the top end hinge shaft 19.
A left hinge 28 is arranged on the left vertical surface of the left upright support 21, a left gap blocking turnover plate 27 is connected to the left hinge 28, a right hinge 29 is arranged on the right vertical surface of the right upright support 22, and a right gap blocking turnover plate 30 is connected to the right hinge 29; a left upper cover plate 33 is arranged on the left upper swing link 15, a right upper cover plate 34 is arranged on the right upper swing link 16, a left supporting cover plate 31 is arranged on the left inclined swing link 10 on the left side of the left upper swing link 15, and a right supporting cover plate 32 is arranged on the right inclined swing link 9 on the right side of the right upper swing link 16.
The utility model provides a method for erecting and lifting foldable platform in elevator shaft, includes the elevator shaft of having built, on the elevator shaft right side wall body 1 on the elevator shaft door opening right side of having built, is provided with right side wall body upper portion split bolt hole 2 and right side wall body middle part split bolt hole 3 respectively, on the left elevator shaft left side wall body 4 in the elevator shaft door opening of having built, is provided with left side wall body upper portion split bolt hole 5 and left side wall body middle part split bolt hole 6 respectively, its characterized in that following step:
step one, taking a steel bar as a central main shaft 8, and enabling the length of the central main shaft 8 to be smaller than the distance between a front inner wall and a rear inner wall of a poured elevator shaft; the central main shaft 8 is used as a hinge pin, a first X-shaped bridging bracket, a second X-shaped bridging bracket and a third X-shaped bridging bracket are arranged on the central main shaft 8 at intervals, and the three X-shaped bridging brackets have the same size and structure and jointly form an integral bracket body;
secondly, arranging a right hinge seat at the upper part of a rightwards inclined swing rod 9 of the X-shaped bridging bracket, arranging a left hinge seat at the upper part of a leftwards inclined swing rod 10, hinging the lower end of a right upper swing rod 16 on the right hinge seat through a right hinge pin 18, hinging the lower end of the left upper swing rod 15 on the left hinge seat through a left hinge pin 17, hinging the upper end of the left upper swing rod 15 and the upper end of the right upper swing rod 16 together through a top end hinging shaft 19, and respectively arranging a right hinge pin 18, a left hinge pin 17 and a top end hinging shaft 19 into a through shaft, wherein the right hinge pin 18, the left hinge pin 17 and the top end hinging shaft 19 are respectively and correspondingly penetrated in corresponding hinge seats on the X-shaped bridging brackets, and the length of the right hinge pin 18, the length of the left hinge pin 17 and the length of the top end shaft 19 are respectively equal to the length of the central main shaft 8; the top end of the rightwards inclined oscillating bar 9 is provided with a right upright rod support 22, the bottom end of the rightwards inclined oscillating bar 9 is provided with a left rubber suction cup 11, the top end of the leftwards inclined oscillating bar 10 is provided with a left upright rod support 21, the bottom end of the leftwards inclined oscillating bar 10 is provided with a right rubber suction cup 14, the left rubber suction cup 11 is provided with a left air inlet valve 35, the right rubber suction cup 14 is provided with a right air inlet valve 37, and a top articulated shaft 19 is provided with two lifting hooks 20;
thirdly, connecting left and right counter-pulling support steel bars 7 between the left wall middle counter-pulling bolt hole 6 and the right wall middle counter-pulling bolt hole 3 in a penetrating manner, wherein the left and right counter-pulling support steel bars 7 are arranged at equal intervals along the front-back direction;
fourthly, hoisting the assembled integral frame body into the poured elevator shaft, enabling the central main shaft 8 to be lapped on the left and right oppositely-pulled supporting steel bars 7, removing the lifting hook, leveling the integral support, then pressing the top end articulated shaft 19 downwards, enabling the left upper oscillating bar 15 and the right upper oscillating bar 16 to be opened towards the left and right directions, simultaneously driving the rightwards inclined oscillating bar 9 and the leftwards inclined oscillating bar 10 to be opened towards the left and right directions, buckling a left side rubber suction cup 11 at the lower end of the rightwards inclined oscillating bar 9 on the side elevation of the left wall body 4 of the elevator shaft, and buckling a right side rubber suction cup 14 at the lower end of the leftwards inclined oscillating bar 10 on the side elevation of the right wall body 1 of the elevator shaft; continuously pressing the top end hinged shaft 19 downwards, inclining the lower end of the swing rod 9 rightwards, continuously extruding air in the left rubber sucker 11 to enable the air to be firmly adsorbed on the side vertical surface of the left wall 4 of the elevator shaft, meanwhile, inclining the lower end of the swing rod 10 leftwards, continuously extruding air in the right rubber sucker 14 to enable the air to be firmly adsorbed on the side vertical surface of the right wall 1 of the elevator shaft, and simultaneously adsorbing six rubber suckers on the three X-shaped cross bracing supports on the side wall of the inner wall of the elevator shaft to form a support for the whole frame body;
and fifthly, taking a left vertical rod support 21 and a right vertical rod support 22 on the X-shaped cross bracing support as supports, erecting a construction operation platform on the six vertical rod supports, and enabling an operator to enter the construction operation platform to erect a previous layer of elevator shaft wall pouring formwork.
A left rubber sucker hinging seat 12 is arranged on the left rubber sucker 11, the left rubber sucker 11 is hinged to the bottom end of the rightwards inclined oscillating bar 9 through the left rubber sucker hinging seat 12, a right rubber sucker hinging seat 13 is arranged on the right rubber sucker 14, and the right rubber sucker 14 is hinged to the bottom end of the leftwards inclined oscillating bar 10 through the right rubber sucker hinging seat 13, so that buckling and adsorption of the rubber sucker and the side wall of the elevator shaft are smoother, and the rubber sucker can dynamically adjust the direction of a sucker buckling surface through the rubber sucker hinging seat to keep the direction of the sucker and a vertical surface of the wall horizontal; a left lower hanging ring 36 is arranged at the lower part of the rightward inclined swing rod 9, a left anti-falling hanging rope 25 is connected to the left lower hanging ring 36, the upper end of the left anti-falling hanging rope 25 is arranged outside the elevator shaft after penetrating through a left wall upper part split bolt hole 5, a right lower hanging ring 38 is arranged at the lower part of the leftward inclined swing rod 10, a right anti-falling hanging rope 26 is connected to the right lower hanging ring 38, and the upper end of the right anti-falling hanging rope 26 is arranged outside the elevator shaft after penetrating through a right wall upper part split bolt hole 2; the left and right oppositely-pulling supporting steel bars 7 and the six anti-falling lifting ropes form protection for the accidental falling of the whole frame body; the gravity of the whole support is mainly supported on the side wall of the elevator shaft by the suction force of six rubber suction cups, and the left and right oppositely-pulling supporting steel bars 7 and six anti-falling lifting ropes are used as auxiliary supports to jointly bear the gravity of the support.
A left air inlet valve 35 is arranged on the left rubber suction cup 11, a left air inlet valve cover pull rope 23 is arranged on a valve cover of the left air inlet valve 35, a right air inlet valve 37 is arranged on the right rubber suction cup 14, and a right air inlet valve cover pull rope 24 is arranged on a valve cover of the right air inlet valve 37; and 2 or 3 lifting hooks 20 are arranged on the top end hinged shaft 19, so that the frame body can be lifted conveniently, and the balance of the whole frame body is kept during lifting.
A left hinge 28 is arranged on the left vertical surface of the left upright support 21, a left gap blocking turnover plate 27 is connected to the left hinge 28, a right hinge 29 is arranged on the right vertical surface of the right upright support 22, and a right gap blocking turnover plate 30 is connected to the right hinge 29; the left upper cover plate 33 is arranged on the left upper swing rod 15, the right upper cover plate 34 is arranged on the right upper swing rod 16, the left supporting cover plate 31 is arranged on the left leftwards inclined swing rod 10 on the left side of the left upper swing rod 15, and the right supporting cover plate 32 is arranged on the rightwards inclined swing rod 9 on the right side of the right upper swing rod 16, so that the surface of the whole support is sealed, and the safety of operators is guaranteed.

Claims (4)

1. The utility model provides a method for erecting and lifting foldable platform in elevator shaft, includes the elevator shaft of having built, on elevator shaft right side wall body (1) on the elevator shaft door opening right side of having built, is provided with right side wall body upper portion split bolt hole (2) and right side wall body middle part split bolt hole (3) respectively, on the left elevator shaft left side wall body (4) of having built elevator shaft door opening, is provided with left side wall body upper portion split bolt hole (5) and left side wall body middle part split bolt hole (6) respectively, its characterized in that following step:
step one, taking a steel bar as a central main shaft (8), and enabling the length of the central main shaft (8) to be smaller than the distance between a front inner wall and a rear inner wall of a poured elevator shaft; the central main shaft (8) is used as a hinge pin, a first X-shaped bridging bracket, a second X-shaped bridging bracket and a third X-shaped bridging bracket are arranged on the central main shaft (8) at intervals, and the three X-shaped bridging brackets have the same size and structure and jointly form an integral bracket body;
secondly, a right hinge seat is arranged at the upper part of a rightwards inclined swing rod (9) of the X-shaped bridging bracket, the upper part of the swing rod (10) which inclines to the left is provided with a left hinge seat and the lower end of a right upper swing rod (16), is hinged on the right hinge seat and the lower end of the left upper swing rod (15) through a right pin shaft (18), the upper end of a left upper swing rod (15) and the upper end of a right upper swing rod (16) are hinged together through a top end hinged shaft (19) through a left pin shaft (17), the right pin shaft (18), the left pin shaft (17) and the top end hinged shaft (19) are all through shafts respectively and correspondingly penetrated in corresponding hinge seats on X-shaped scissor support brackets respectively, the length of the right pin shaft (18), the length of the left pin shaft (17) and the length of the top end hinge shaft (19) are equal to the length of the central main shaft (8); the lifting device is characterized in that a right vertical rod support (22) is arranged at the top end of a rightwards inclined swing rod (9), a left rubber suction cup (11) is arranged at the bottom end of the rightwards inclined swing rod (9), a left vertical rod support (21) is arranged at the top end of a leftwards inclined swing rod (10), a right rubber suction cup (14) is arranged at the bottom end of the leftwards inclined swing rod (10), a left air inlet valve (35) is arranged on the left rubber suction cup (11), a right air inlet valve (37) is arranged on the right rubber suction cup (14), and two lifting hooks (20) are arranged on a top hinged shaft (19);
thirdly, connecting left and right counter-pulling support steel bars (7) between the left wall middle counter-pulling bolt hole (6) and the right wall middle counter-pulling bolt hole (3) in a penetrating manner, wherein the left and right counter-pulling support steel bars (7) are arranged at equal intervals along the front-back direction;
fourthly, hoisting the assembled integral frame body into a poured elevator shaft to enable a central main shaft (8) to be lapped on left and right opposite-pulling supporting steel bars (7), removing a lifting hook, leveling the integral frame, then pressing down a top end articulated shaft (19) to enable a left upper oscillating bar (15) and a right upper oscillating bar (16) to be opened towards the left and right directions, simultaneously driving a right inclined oscillating bar (9) and a left inclined oscillating bar (10) to be opened towards the left and right directions, buckling a left side rubber suction cup (11) at the lower end of the right inclined oscillating bar (9) on a side vertical surface of a left wall body (4) of the elevator shaft, and buckling a right side rubber suction cup (14) at the lower end of the left inclined oscillating bar (10) on a side vertical surface of a right wall body (1) of the elevator shaft; continuously pressing down the top end hinged shaft (19), inclining the lower end of the swing rod (9) rightwards, continuously extruding air in the left rubber sucker (11) to enable the air to be firmly adsorbed on the side vertical face of the left wall body (4) of the elevator shaft, meanwhile, inclining the lower end of the swing rod (10) leftwards, continuously extruding air in the right rubber sucker (14) to enable the air to be firmly adsorbed on the side vertical face of the right wall body (1) of the elevator shaft, and simultaneously adsorbing the six rubber suckers on the three X-shaped cross bracing supports on the side wall of the inner wall body of the elevator shaft to form support for the whole frame body;
and fifthly, taking a left vertical rod support (21) and a right vertical rod support (22) on the X-shaped cross bracing support as supports, erecting a construction operation platform on the six vertical rod supports, and enabling an operator to enter the construction operation platform to erect a previous layer of elevator shaft wall pouring formwork.
2. The method for erecting and lifting a foldable platform in an elevator shaft according to claim 1, wherein a left rubber sucker hinge seat (12) is arranged on a left rubber sucker (11), the left rubber sucker (11) is hinged to the bottom end of the right inclined swing rod (9) through the left rubber sucker hinge seat (12), a right rubber sucker hinge seat (13) is arranged on a right rubber sucker (14), and the right rubber sucker (14) is hinged to the bottom end of the left inclined swing rod (10) through the right rubber sucker hinge seat (13), so that the rubber sucker is smoothly fastened and adsorbed to the side wall of the elevator shaft; the anti-falling elevator is characterized in that a left lower hanging ring (36) is arranged on the lower portion of the rightward-inclined swing rod (9), a left anti-falling lifting rope (25) is connected to the left lower hanging ring (36), the upper end of the left anti-falling lifting rope (25) is arranged outside the elevator shaft after penetrating through a left wall upper part split bolt hole (5), a right lower hanging ring (38) is arranged on the lower portion of the leftward-inclined swing rod (10), a right anti-falling lifting rope (26) is connected to the right lower hanging ring (38), the upper end of the right anti-falling lifting rope (26) is arranged, and the right anti-falling lifting rope is arranged outside the elevator shaft after penetrating through a right wall upper part split bolt hole (2), so that left and right split support steel bars (7) and the six anti-falling lifting ropes are arranged, and the protection that the whole frame body accidentally falls is formed.
3. The supporting and lifting method of a foldable platform in the elevator shaft according to claim 1 or 2, characterized in that a left air inlet valve (35) is arranged on the left rubber suction cup (11), a left air inlet valve cover pull rope (23) is arranged on the valve cover of the left air inlet valve (35), a right air inlet valve (37) is arranged on the right rubber suction cup (14), a right air inlet valve cover pull rope (24) is arranged on the valve cover of the right air inlet valve (37), when the frame body needs to be lifted, the air in the rubber suction cup can be rapidly introduced by opening the air inlet valve of the rubber suction cup, so as to facilitate the detachment of the rubber suction cup from the side vertical surface of the wall body; a lifting hook (20) is arranged on the top end articulated shaft (19), and 2 or 3 lifting hooks (20) can be arranged so as to be convenient for the lifting of the frame body.
4. The method for erecting and lifting a folding platform in an elevator hoistway according to claim 1 or 2, characterized in that a left hinge (28) is arranged on the left vertical face of the left vertical support (21), a left gap-blocking flap (27) is connected to the left hinge (28), a right hinge (29) is arranged on the right vertical face of the right vertical support (22), and a right gap-blocking flap (30) is connected to the right hinge (29); be provided with upper left cover plate (33) on upper left pendulum rod (15), be provided with upper right cover plate (34) on upper right pendulum rod (16), on left tilt left pendulum rod (10) of upper left pendulum rod (15), be provided with left side support apron (31), on right tilt right pendulum rod (9) on upper right pendulum rod (16) right side, be provided with right side support apron (32) to seal whole support surface, guarantee operating personnel's safety.
CN202210477159.7A 2022-05-03 2022-05-03 Supporting and lifting method of folding platform in elevator shaft Active CN114704067B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070169A1 (en) * 1999-05-13 2000-11-23 Otis Elevator Company Lift shaft working platform
US20100270523A1 (en) * 2009-04-23 2010-10-28 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Scissor lifting platform
CN103206074A (en) * 2013-02-05 2013-07-17 黑龙江宝宇建设工程有限公司 Elevator shaft template construction method, platform and support
CN105317205A (en) * 2014-06-09 2016-02-10 中建四局第六建筑工程有限公司 Elevator shaft construction method and used device
CN205063310U (en) * 2015-10-30 2016-03-02 南昌市第三建设工程有限责任公司 Multi -functional operation platform of liftable formula in elevartor shaft
CN205531266U (en) * 2016-04-06 2016-08-31 中建八局第二建设有限公司 Simply can hoist elevator shaft operating platform
FR3035094A1 (en) * 2015-04-15 2016-10-21 Outinord St Amand CONSTRUCTION TOOLS FOR ELEVATOR CAGE.
CN206737388U (en) * 2017-05-18 2017-12-12 歌山建设集团有限公司 Lift-on/lift-off type elevator hoistway construction platform device
CN107780641A (en) * 2016-08-30 2018-03-09 黄建辉 A kind of outdoor scaffold
CN209799318U (en) * 2019-03-04 2019-12-17 中国建筑第七工程局有限公司 Elevator shaft lifting platform
CN213115818U (en) * 2020-09-07 2021-05-04 胡雁城 Elevator maintenance safety maintains device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070169A1 (en) * 1999-05-13 2000-11-23 Otis Elevator Company Lift shaft working platform
US20100270523A1 (en) * 2009-04-23 2010-10-28 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Scissor lifting platform
CN103206074A (en) * 2013-02-05 2013-07-17 黑龙江宝宇建设工程有限公司 Elevator shaft template construction method, platform and support
CN105317205A (en) * 2014-06-09 2016-02-10 中建四局第六建筑工程有限公司 Elevator shaft construction method and used device
FR3035094A1 (en) * 2015-04-15 2016-10-21 Outinord St Amand CONSTRUCTION TOOLS FOR ELEVATOR CAGE.
CN205063310U (en) * 2015-10-30 2016-03-02 南昌市第三建设工程有限责任公司 Multi -functional operation platform of liftable formula in elevartor shaft
CN205531266U (en) * 2016-04-06 2016-08-31 中建八局第二建设有限公司 Simply can hoist elevator shaft operating platform
CN107780641A (en) * 2016-08-30 2018-03-09 黄建辉 A kind of outdoor scaffold
CN206737388U (en) * 2017-05-18 2017-12-12 歌山建设集团有限公司 Lift-on/lift-off type elevator hoistway construction platform device
CN209799318U (en) * 2019-03-04 2019-12-17 中国建筑第七工程局有限公司 Elevator shaft lifting platform
CN213115818U (en) * 2020-09-07 2021-05-04 胡雁城 Elevator maintenance safety maintains device

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