CN114704067B - Supporting and lifting method of folding platform in elevator shaft - Google Patents
Supporting and lifting method of folding platform in elevator shaft Download PDFInfo
- Publication number
- CN114704067B CN114704067B CN202210477159.7A CN202210477159A CN114704067B CN 114704067 B CN114704067 B CN 114704067B CN 202210477159 A CN202210477159 A CN 202210477159A CN 114704067 B CN114704067 B CN 114704067B
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- shaft
- swing rod
- elevator shaft
- suction cup
- wall body
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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
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- 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
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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
-
- 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
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Abstract
The invention discloses a supporting and lifting method of a folding platform in an elevator shaft, which can be safely and stably supported in the shaft; the left side wall body middle part is to draw between bolt hole (6) and right side wall body middle part is to drawing bolt hole (3), cross-under has control to draw back supporting bar (7), the middle part overlap joint of controlling to drawing back supporting bar (7) has center main shaft (8), on center main shaft (8), it has three X shape bracing support to articulate at intervals, the upper portion of the tilting pendulum rod (9) to the right of X shape bracing support is provided with right hinge seat, the upper portion of tilting pendulum rod (10) to the left of X shape bracing support is provided with left hinge seat, the lower extreme of upper right pendulum rod (16) is through right round pin axle (18), articulate on right hinge seat, the lower extreme of upper left pendulum rod (15) is through left round pin axle (17), the upper end of upper left pendulum rod (15) is articulated through top articulated shaft (19) with the upper end of upper right upper pendulum rod (16).
Description
Technical Field
The invention relates to a platform bracket for erecting a template in civil engineering, in particular to an integral lifting folding platform capable of completing the erection of an inner template 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 supporting of the inner side template of the elevator shaft concrete pouring wall body is an important link in construction, the supporting is completed simultaneously with other concrete pouring templates on the same floor, after the supporting of all templates of one layer is completed, the concrete of the layer is poured at one time, and after the poured concrete reaches the form removing strength, the building of the concrete pouring template of the upper layer is carried out again; the template erection of the inner wall of the elevator shaft is synchronous with the template of the same layer; the existing elevator shaft erecting platform is characterized in that cantilever frames protruding into an elevator shaft are firstly erected on a finished floor plate, a platform support is erected on the cantilever frames by a template of an elevator shaft inner wall body, the height of the template support is up to the position of an elevator shaft pouring wall body, on-site constructors stand on the template support platform support, and an inner template of the elevator shaft concrete pouring wall body is erected; the support with the structure requires that the support of the template supporting platform which is erected on the cantilever mount cannot be too high so as to avoid the instability phenomenon of the support; however, as the floor pouring is continuously raised, new cantilever frames are required to be continuously arranged on higher floor boards along with the rise of the floor, and a platform support is repeatedly erected by the formwork, so that the method for erecting the inner side formwork of the elevator shaft wall body has the defect that the platform erection is required to be repeatedly carried out for many times, and the cantilever frames extending into the floor also have the defect that the normal construction in the floor is influenced, and is time-consuming and labor-consuming; in the prior art, the construction platform in the elevator shaft is designed to be integrally lifted, the integral platform is supported on a 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 on the inner side wall of the elevator shaft, the balance degree of the platform is poor, and the table top is in an inclined state, so that the erection of a bracket on the platform is influenced; in addition, the whole platform is large in weight, and in the lifting process, the defects that the whole platform is easy to collide with the inner wall of the elevator shaft to damage the inner wall are overcome.
Disclosure of Invention
The invention provides a supporting and lifting method of a folding platform in an elevator shaft, which achieves the purposes of light weight, maximum protection of the wall in the shaft during lifting and safe and stable support in the shaft.
The invention solves the technical problems by the following technical proposal:
the general conception of the invention is that: three X-shaped scissor support frames which are arranged in parallel at intervals are connected in series through a central main shaft, and the central main shaft is also a central hinge pin shaft of each X-shaped scissor support frame; the three X-shaped scissor support brackets can be folded and folded, can be unfolded and bridged and 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 of the bracket feet and the side wall of the elevator shaft, and are further erected on the supporting underframe; an inverted V-shaped swing arm is hinged between two upper swing arms of the X-shaped scissor support above the central spindle, so that two swing arms of the inverted V-shaped swing arm and two crossed swing arms of the X-shaped scissor support form a four-bar mechanism, the top end hinge shaft of the inverted V-shaped swing arm is also a top end through shaft penetrating through the inverted V-shaped swing arms, the folding of the four-bar mechanism, namely the folding of the X-shaped scissor support, is realized, the opening of the four-bar mechanism, namely the opening of the X-shaped scissor support, is realized by pressing the top end through shaft, and the four-bar mechanism is erected and supported between the left wall and the right wall of an elevator shaft.
The integral lifting folding platform for construction in the elevator shaft comprises a poured elevator shaft, wherein a right side wall body on the right side of a poured elevator shaft door opening is respectively provided with a right side wall body upper part opposite-pull bolt hole and a right side wall body middle part opposite-pull bolt hole, a left side wall body left side of the poured elevator shaft door opening is respectively provided with a left side wall body upper part opposite-pull bolt hole and a left side wall body middle part opposite-pull bolt hole, a left opposite-pull support steel bar and a right opposite-pull support steel bar are connected in a penetrating manner between the left side wall body middle part opposite-pull bolt hole and the right side wall body middle part opposite-pull bolt hole, a central main shaft is connected in a lap joint manner at the middle part of the left opposite-pull support steel bar and the right opposite-pull support steel bar, the central main shaft is arranged along the front-rear horizontal direction, and a first X-shaped scissor support bracket, a second X-shaped scissor support bracket and a third X-shaped scissor support bracket are hinged at intervals on the central main shaft along the front-rear direction, and the structures of the X-shaped scissor support brackets are identical; the upper portion of the right inclined swing rod of the first X-shaped scissor support is provided with a right hinge seat, the upper portion of the left inclined swing rod of the first X-shaped scissor support is provided with a left hinge seat, the lower end of the right upper swing rod is hinged on the right hinge seat through a right pin shaft, the lower end of the left upper swing rod is hinged on the left hinge seat through a left pin shaft, the upper end of the left upper swing rod and the upper end of the right upper swing rod are hinged together through a top hinge shaft, the top end of the right inclined swing rod is provided with a right vertical rod support, the bottom end of the right inclined swing rod is provided with a left rubber sucker, the top end of the left inclined swing rod is provided with a left vertical rod support, and the bottom end of the left inclined swing rod is provided with a right rubber sucker.
The left rubber sucker is hinged to the bottom end of the right inclined swing rod through the left rubber sucker hinging seat, the right rubber sucker is hinged to the bottom end of the left inclined swing rod through the right rubber sucker hinging seat, and the right rubber sucker is hinged to the bottom end of the left inclined swing rod through the right rubber sucker hinging seat; the lower part of the swing rod which is inclined rightwards is provided with a left lower hanging ring, the left lower hanging ring is connected with a left anti-falling hanging rope, the upper end of the left anti-falling hanging rope passes through a split bolt hole at the upper part of a left wall body and then is arranged outside an elevator shaft, the lower part of the swing rod which is inclined leftwards is provided with a right lower hanging ring, the right lower hanging ring is connected with a right anti-falling hanging rope, and the upper end of the right anti-falling hanging rope passes through the split bolt hole at the upper part of the right wall body and then is arranged outside the elevator shaft.
A left air inlet valve is arranged on the left rubber sucker, 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 sucker, and a right air inlet valve cover pull rope is arranged on a valve cover of the right air inlet valve; and a lifting hook is arranged on the top end hinge shaft.
A left hinge is arranged on the left vertical face of the left vertical rod support, a left gap blocking turning plate is connected to the left hinge, a right hinge is arranged on the right vertical face of the right vertical rod support, and a right gap blocking turning plate is connected to the right hinge; the upper left swing rod is provided with an upper left cover plate, the upper right swing rod is provided with an upper right cover plate, the left inclined swing rod on the left side of the upper left swing rod is provided with a left supporting cover plate, and the right inclined swing rod on the right side of the upper right swing rod is provided with a right supporting cover plate.
The erecting and lifting method of the folding platform in the elevator shaft comprises the elevator shaft after pouring, wherein a right side wall body upper part opposite-pull bolt hole and a right side wall body middle part opposite-pull bolt hole are respectively arranged on the right side wall body of the elevator shaft at the right side of a poured elevator shaft door opening, and a left side wall body upper part opposite-pull bolt hole and a left side wall body middle part opposite-pull bolt hole are respectively arranged on the left side wall body of the elevator shaft at the left side of the poured elevator shaft door opening, and the method is characterized by comprising the following steps:
firstly, 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 elevator shaft which is poured; the central spindle is used as a hinge pin, a first X-shaped scissor support, a second X-shaped scissor support and a third X-shaped scissor support are arranged on the central spindle at intervals, the sizes and structures of the three X-shaped scissor supports are identical, and an integral frame body is formed together;
the second step, the upper part of the right inclined swing rod of the X-shaped scissor support is provided with a right hinge seat, the upper part of the left inclined swing rod is provided with a left hinge seat, the lower end of the right upper swing rod is hinged on the right hinge seat through a right pin shaft, the lower end of the left upper swing rod is hinged on the left hinge seat through a left pin shaft, the upper end of the left upper swing rod and the upper end of the right upper swing rod are hinged together through a top end hinge shaft, the right pin shaft, the left pin shaft and the top end hinge shaft are respectively a through shaft and respectively correspondingly connected in the corresponding hinge seat on each X-shaped scissor support in a penetrating way, and the length of the right pin shaft, the length of the left pin shaft and the length of the top end hinge shaft are equal to the length of the central spindle; the left vertical rod support is arranged at the top end of the left inclined swing rod, the right rubber suction cup is arranged at the bottom end of the right inclined swing rod, the left vertical rod support is arranged at the top end of the left inclined swing rod, the right rubber suction cup is arranged at the bottom end of the left inclined swing rod, 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 the two lifting hooks are arranged on the top end hinge shaft;
thirdly, connecting left and right opposite-pull supporting steel bars in a penetrating way between the opposite-pull bolt holes in the middle of the left side wall body and the opposite-pull bolt holes in the middle of the right side wall body, wherein the left and right opposite-pull supporting steel bars are arranged at equal intervals along the front and rear directions;
step four, hoisting the assembled integral frame body in the step from the step one to the step three 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 bracket, pressing down a top hinged shaft, enabling a left upper swing rod and a right upper swing rod to be opened in left and right directions, driving a right inclined swing rod and a left inclined swing rod to be opened in left and right directions, enabling a left rubber sucker at the lower end of the right inclined swing rod to be buckled on a side elevation of a left wall of the elevator shaft, and enabling a right rubber sucker at the lower end of the left inclined swing rod to be buckled on a side elevation of a right wall of the elevator shaft; continuously pressing down the hinged shaft at the top end, tilting the lower end of the swing rod rightwards, continuously extruding air in the left rubber suction disc to enable the air to be firmly adsorbed on the side elevation of the left wall body of the elevator shaft, simultaneously tilting the lower end of the swing rod leftwards, continuously extruding air in the right rubber suction disc to enable the air to be firmly adsorbed on the side elevation of the right wall body of the elevator shaft, and simultaneously adsorbing six rubber suction discs on three X-shaped scissor support brackets on the side wall body of the elevator shaft to form a support for the whole frame body;
and fifthly, taking a left upright support and a right upright support on the X-shaped scissor support as supports, erecting a construction operation table on the six upright supports, and enabling operators to enter the construction operation table to carry out the erection of the upper layer of elevator shaft wall pouring template.
The integral platform can be lifted layer by layer through the tower crane along with the lifting of the main body structure, and has the characteristics of convenience in lifting, high construction speed, small occupied area and safety in operation; the wall in the well can be protected to the greatest extent in the lifting process, the support platform support is light and convenient to fold and open, and the support platform support can be reused after one-time manufacturing is completed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the structure of the elevator hoistway of the present invention after the left and right opposite-pull supporting bars 7 are provided;
FIG. 3 is a schematic view of the structure of the integrated support frame of the present invention consisting of three X-shaped scissors brackets;
FIG. 4 is a schematic view of the structure of the integral support frame of the present invention after a cover plate is provided thereon;
fig. 5 is a schematic structural view of the X-shaped temple support of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the integral lifting folding platform for construction in the elevator shaft comprises a poured elevator shaft, wherein a right side wall body 1 on the right side of a poured elevator shaft door opening is respectively provided with a right side wall body upper part opposite-pull bolt hole 2 and a right side wall body middle part opposite-pull bolt hole 3, a left side wall body 4 on the left side of the poured elevator shaft door opening is respectively provided with a left side wall body upper part opposite-pull bolt hole 5 and a left side wall body middle part opposite-pull bolt hole 6, a left side wall body middle part opposite-pull bolt hole 6 and a right side wall body middle part opposite-pull bolt hole 3 are connected in a penetrating way, a left opposite-pull supporting steel bar 7 is connected in a lap joint mode at the middle part of the left opposite-pull supporting steel bar 7, a central main shaft 8 is arranged in the front-rear horizontal direction, and a first X-shaped scissor support, a second X-shaped scissor support and a third X-shaped scissor support are hinged at intervals on the central main shaft 8 in the front-rear direction, and the structures of the three X-shaped scissor supports are identical; the upper part of the right inclined swing rod 9 of the first X-shaped scissor support is provided with a right hinge seat, the upper part of the left inclined swing rod 10 of the first X-shaped scissor support is provided with a left hinge seat, the lower end of the right upper swing rod 16 is hinged on the right hinge seat through a right pin shaft 18, the lower end of the left upper swing rod 15 is hinged on the left hinge seat through a left pin shaft 17, the upper end of the left upper swing rod 15 and the upper end of the right upper swing rod 16 are hinged together through a top end hinge shaft 19, a right vertical rod support 22 is arranged at the top end of the right inclined swing rod 9, a left rubber sucker 11 is arranged at the bottom end of the right inclined swing rod 9, a left vertical rod support 21 is arranged at the top end of the left inclined swing rod 10, and a right rubber sucker 14 is arranged at the bottom end of the left inclined swing rod 10.
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 right inclined swing rod 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 left inclined swing rod 10 through the right rubber sucker hinging seat 13; the lower part of the right-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 passes through the left wall upper opposite-pull bolt hole 5 and then is arranged outside the elevator shaft, the lower part of the left-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 passes through the right wall upper opposite-pull bolt hole 2 and then is arranged outside the elevator shaft.
A left air inlet valve 35 is arranged on the left rubber sucker 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 sucker 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 hinge shaft 19.
A left hinge 28 is arranged on the left vertical face of the left vertical rod support 21, a left gap blocking turning plate 27 is connected to the left hinge 28, a right hinge 29 is arranged on the right vertical face of the right vertical rod support 22, and a right gap blocking turning plate 30 is connected to the right hinge 29; an upper left cover plate 33 is arranged on the upper left swing rod 15, an upper right cover plate 34 is arranged on the upper right swing rod 16, a left support cover plate 31 is arranged on the left inclined swing rod 10 on the left side of the upper left swing rod 15, and a right support cover plate 32 is arranged on the right inclined swing rod 9 on the right side of the upper right swing rod 16.
The method for erecting and lifting the folding platform in the elevator shaft comprises the elevator shaft which is poured, wherein a right side wall body upper part opposite-pull bolt hole 2 and a right side wall body middle opposite-pull bolt hole 3 are respectively arranged on an elevator shaft right side wall body 1 on the right side of a poured elevator shaft door opening, and a left side wall body upper part opposite-pull bolt hole 5 and a left side wall body middle opposite-pull bolt hole 6 are respectively arranged on an elevator shaft left side wall body 4 on the left side of the poured elevator shaft door opening, and the method is characterized by comprising the following steps:
firstly, 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 the front inner wall and the rear inner wall of the elevator shaft which is poured; the central main shaft 8 is used as a hinge pin, a first X-shaped scissor support, a second X-shaped scissor support and a third X-shaped scissor support are arranged on the central main shaft 8 at intervals, and the sizes and the structures of the three X-shaped scissor supports are identical, so that an integral frame body is formed;
the second step, a right hinge seat is arranged at the upper part of the right inclined swing rod 9 of the X-shaped scissor support, a left hinge seat is arranged at the upper part of the left inclined swing rod 10, the lower end of the right upper swing rod 16 is hinged on the right hinge seat through a right pin shaft 18, the lower end of the left upper swing rod 15 is hinged on the left hinge seat through a left pin shaft 17, the upper end of the left upper swing rod 15 and the upper end of the right upper swing rod 16 are hinged together through a top end hinge shaft 19, the right pin shaft 18, the left pin shaft 17 and the top end hinge shaft 19 are respectively a through shaft, and are respectively correspondingly connected in the corresponding hinge seats on the X-shaped scissor support in a penetrating way, and 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 spindle 8; a right vertical rod support 22 is arranged at the top end of the right inclined swing rod 9, a left rubber suction cup 11 is arranged at the bottom end of the right inclined swing rod 9, a left vertical rod support 21 is arranged at the top end of the left inclined swing rod 10, a right rubber suction cup 14 is arranged at the bottom end of the left 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 end hinge shaft 19;
thirdly, a left and right opposite pulling support steel bars 7 are connected between the opposite pulling bolt holes 6 in the middle of the left side wall body and the opposite pulling bolt holes 3 in the middle of the right side wall body in a penetrating way, and the left and right opposite pulling support steel bars 7 are arranged at equal intervals along the front and rear direction;
fourthly, the assembled integral frame body is hoisted into the elevator shaft after pouring, so that a central main shaft 8 is lapped on a left-right opposite-pull supporting steel bar 7, a lifting hook is removed, after the integral frame is leveled, a top end hinge shaft 19 is pressed down, a left upper swing rod 15 and a right upper swing rod 16 are opened in the left-right direction, and simultaneously, a right tilting swing rod 9 and a left tilting swing rod 10 are driven to be opened in the left-right direction, a left rubber sucker 11 at the lower end of the right tilting swing rod 9 is buckled on a side elevation of the left side wall body 4 of the elevator shaft, and a right rubber sucker 14 at the lower end of the left tilting swing rod 10 is buckled on a side elevation of the right side wall body 1 of the elevator shaft; continuously pressing down the top end hinge shaft 19, tilting the lower end of the swing rod 9 rightward, continuously extruding air in the left side rubber suction disc 11 to enable the air to be firmly adsorbed on the side elevation of the left wall body 4 of the elevator shaft, simultaneously tilting the lower end of the swing rod 10 leftward, continuously extruding air in the right side rubber suction disc 14 to enable the air to be firmly adsorbed on the side elevation of the right wall body 1 of the elevator shaft, and simultaneously adsorbing six rubber suction discs on three X-shaped scissor support frames on the side wall body side wall of the elevator shaft to form a support for the whole frame body;
and fifthly, taking a left upright support 21 and a right upright support 22 on the X-shaped scissor support as supports, erecting a construction operation table on the six upright supports, and enabling operators to enter the construction operation table to erect the upper layer of elevator shaft wall pouring templates.
The left rubber suction cup 11 is provided with a left rubber suction cup hinging seat 12, the left rubber suction cup 11 is hinged at the bottom end of the right inclined swing rod 9 through the left rubber suction cup hinging seat 12, the right rubber suction cup 14 is provided with a right rubber suction cup hinging seat 13, and the right rubber suction cup 14 is hinged at the bottom end of the left inclined swing rod 10 through the right rubber suction cup hinging seat 13, so that the buckling and adsorption of the rubber suction cup and the side wall of the elevator shaft are smoother, and the direction of the buckling surface of the suction cup can be dynamically adjusted through the rubber suction cup hinging seat, so that the suction cup can be kept level with the vertical surface of the wall; the lower part of the right-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 passes through the left wall upper opposite-pull bolt hole 5 and then is arranged outside the elevator shaft, the lower part of the left-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 passes through the right wall upper opposite-pull bolt hole 2 and then is arranged outside the elevator shaft; the left and right opposite-pull supporting steel bars 7 and the six anti-falling lifting ropes form protection for accidental falling of the whole frame body; the gravity of the whole bracket 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 opposite-pull supporting steel bars 7 and six anti-falling lifting ropes are used as auxiliary supports to jointly bear the gravity of the bracket.
The left side rubber sucker 11 is provided with a left air inlet valve 35, a valve cover of the left air inlet valve 35 is provided with a left air inlet valve cover pull rope 23, the right side rubber sucker 14 is provided with a right air inlet valve 37, and a valve cover of the right air inlet valve 37 is provided with a right air inlet valve cover pull rope 24, when the frame body needs to be lifted, air can be quickly introduced into the rubber sucker by opening the air inlet valve of the rubber sucker, so that the rubber sucker is favorably separated from the side elevation of the wall body; lifting hooks 20 are arranged on the top end hinge shaft 19, and 2 or 3 lifting hooks 20 can be arranged to facilitate the lifting of the frame body and maintain the balance of the integral bracket in the lifting process.
A left hinge 28 is arranged on the left vertical face of the left vertical rod support 21, a left gap blocking turning plate 27 is connected to the left hinge 28, a right hinge 29 is arranged on the right vertical face of the right vertical rod support 22, and a right gap blocking turning plate 30 is connected to the right hinge 29; the upper left swing rod 15 is provided with an upper left cover plate 33, the upper right swing rod 16 is provided with an upper right cover plate 34, the left inclined swing rod 10 on the left side of the upper left swing rod 15 is provided with a left supporting cover plate 31, and the right inclined swing rod 9 on the right side of the upper right swing rod 16 is provided with a right supporting cover plate 32, so that the surface of the whole bracket is closed, and the safety of operators is ensured.
Claims (4)
1. The method for erecting and lifting the folding platform in the elevator shaft comprises the elevator shaft after pouring, wherein a right side wall body (2) and a right side wall body middle part opposite-pull bolt hole (3) are respectively arranged on a right side wall body (1) of the elevator shaft on the right side of a poured elevator shaft door opening, and a left side wall body upper opposite-pull bolt hole (5) and a left side wall body middle part opposite-pull bolt hole (6) are respectively arranged on an elevator shaft left side wall body (4) on the left side of the elevator shaft door opening after pouring, and the method is characterized by comprising the following steps:
firstly, 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 the front inner wall and the rear inner wall of the elevator shaft which are poured; the central main shaft (8) is used as a hinge pin, a first X-shaped scissor support, a second X-shaped scissor support and a third X-shaped scissor support are arranged on the central main shaft (8) at intervals, and the sizes and the structures of the three X-shaped scissor supports are identical to each other, so that an integral frame body is formed;
the second step, the upper part of the right inclined swinging rod (9) of the X-shaped scissor support is provided with a right hinge seat, the upper part of the left inclined swinging rod (10) is provided with a left hinge seat, the lower end of the right upper swinging rod (16) is hinged on the right hinge seat through a right pin shaft (18), the lower end of the left upper swinging rod (15) is hinged on the left hinge seat through a left pin shaft (17), the upper ends of the left upper swinging rod (15) and the right upper swinging rod (16) are hinged together through a top end hinge shaft (19), the right pin shaft (18), the left pin shaft (17) and the top end hinge shaft (19) are respectively a through shaft, and are respectively correspondingly connected in the corresponding hinge seats on the X-shaped scissor support in a penetrating manner, and 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 spindle (8); the left vertical rod support (21) is arranged at the top end of the left inclined swing rod (10), the right rubber suction cup (14) is arranged at the bottom end of the left inclined swing rod (10), the left air inlet valve (35) is arranged on the left rubber suction cup (11), the right air inlet valve (37) is arranged on the right rubber suction cup (14), and the two lifting hooks (20) are arranged on the top end hinge shaft (19);
thirdly, a left-right opposite-pull supporting steel bar (7) is connected between the opposite-pull bolt hole (6) in the middle of the left side wall body and the opposite-pull bolt hole (3) in the middle of the right side wall body in a penetrating way, and the left-right opposite-pull supporting steel bar (7) is arranged at equal intervals along the front-back direction;
fourthly, hoisting the assembled integral frame body in the steps from the first step to the third step to the poured elevator shaft, enabling a central main shaft (8) to be lapped on a left-right opposite-pull supporting steel bar (7), removing a lifting hook, after leveling the integral frame, pressing down a top end hinge shaft (19), enabling a left upper swing rod (15) and a right upper swing rod (16) to be opened in the left-right directions, simultaneously driving a right inclined swing rod (9) and a left inclined swing rod (10) to be opened in the left-right directions, enabling a left rubber sucker (11) at the lower end of the right inclined swing rod (9) to be buckled on a side vertical surface of a left wall body (4) of the elevator shaft, and enabling a right rubber sucker (14) at the lower end of the left inclined swing rod (10) to be buckled on a side vertical surface of a right wall body (1) of the elevator shaft; continuously pressing down a hinged shaft (19) at the top, tilting the lower end of a swing rod (9) rightward, continuously extruding air in a left rubber sucker (11) to enable the air to be firmly adsorbed on a side elevation of a left wall body (4) of an elevator shaft, simultaneously tilting the lower end of a swing rod (10) leftward, continuously extruding air in a right rubber sucker (14) to enable the air to be firmly adsorbed on a side elevation of a right wall body (1) of the elevator shaft, and simultaneously adsorbing six rubber suckers on three X-shaped scissor support brackets on the side wall body side wall of the elevator shaft to form a support of the whole frame body;
and fifthly, taking a left vertical rod support (21) and a right vertical rod support (22) on the X-shaped scissor support as supports, erecting a construction operation table on the six vertical rod supports, and enabling operators to enter the construction operation table to erect the upper layer of elevator shaft wall pouring templates.
2. The method for erecting and lifting the folding platform in the elevator shaft according to claim 1, wherein a left rubber suction cup hinging seat (12) is arranged on a left rubber suction cup (11), the left rubber suction cup (11) is hinged at the bottom end of a right inclined swinging rod (9) through the left rubber suction cup hinging seat (12), a right rubber suction cup hinging seat (13) is arranged on a right rubber suction cup (14), and the right rubber suction cup (14) is hinged at the bottom end of a left inclined swinging rod (10) through the right rubber suction cup hinging seat (13), so that the buckling and the adsorption of the rubber suction cup and the side wall of the elevator shaft are smoother; the lower part of the right inclined swinging rod (9) is provided with a left lower lifting ring (36), the left lower lifting ring (36) is connected with a left anti-falling lifting rope (25), the upper end of the left anti-falling lifting rope (25) passes through a left wall upper opposite-pull bolt hole (5) and then is arranged outside an elevator shaft, the lower part of the left inclined swinging rod (10) is provided with a right lower lifting ring (38), the right lower lifting ring (38) is connected with a right anti-falling lifting rope (26), and the upper end of the right anti-falling lifting rope (26) passes through a right wall upper opposite-pull bolt hole (2) and then is arranged outside the elevator shaft, so that the left anti-falling supporting steel bar (7) and the six anti-falling lifting ropes are oppositely pulled to form unexpected falling protection for the whole frame body.
3. The method for erecting and lifting a folding platform in an elevator shaft according to claim 1 or 2, characterized in that a left air inlet valve (35) is arranged on a 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 a right rubber suction cup (14), a right air inlet valve cover pull rope (24) is arranged on a valve cover of the right air inlet valve (37), and when a frame body needs to be lifted, air is quickly introduced into the rubber suction cup by opening the air inlet valve of the rubber suction cup, so that the separation of the rubber suction cup from a wall side elevation is facilitated; lifting hooks (20) are arranged on the top end hinge shaft (19), and 2 or 3 lifting hooks (20) can be arranged to facilitate 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 provided on the left elevation of the left upright support (21), a left gap blocking flap (27) is connected to the left hinge (28), a right hinge (29) is provided on the right elevation of the right upright support (22), and a right gap blocking flap (30) is connected to the right hinge (29); the upper left swing rod (15) is provided with an upper left cover plate (33), the upper right swing rod (16) is provided with an upper right cover plate (34), the left inclined swing rod (10) on the left side of the upper left swing rod (15) is provided with a left supporting cover plate (31), and the right inclined swing rod (9) on the right side of the upper right swing rod (16) is provided with a right supporting cover plate (32), so that the surface of the whole bracket is closed, and the safety of operators is ensured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210477159.7A CN114704067B (en) | 2022-05-03 | 2022-05-03 | Supporting and lifting method of folding platform in elevator shaft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210477159.7A CN114704067B (en) | 2022-05-03 | 2022-05-03 | Supporting and lifting method of folding platform in elevator shaft |
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| CN114704067B true CN114704067B (en) | 2023-07-21 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328777A (en) * | 1999-05-13 | 2000-11-28 | Otis Elevator Co | Elevator installing scaffold structure |
| DE102009002613A1 (en) * | 2009-04-23 | 2010-11-25 | Maha Maschinenbau Haldenwang Gmbh & Co. Kg | Scissor lift |
| CN103206074B (en) * | 2013-02-05 | 2015-04-08 | 黑龙江宝宇建设工程有限公司 | Elevator shaft template construction method, platform and support |
| CN105317205B (en) * | 2014-06-09 | 2018-03-27 | 中建四局第六建筑工程有限公司 | The construction method and equipment therefor of a kind of elevator |
| FR3035094B1 (en) * | 2015-04-15 | 2018-03-02 | 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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