CN110318534B - Lifting support type elevator shaft template device and construction method - Google Patents
Lifting support type elevator shaft template device and construction method Download PDFInfo
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- CN110318534B CN110318534B CN201910552392.5A CN201910552392A CN110318534B CN 110318534 B CN110318534 B CN 110318534B CN 201910552392 A CN201910552392 A CN 201910552392A CN 110318534 B CN110318534 B CN 110318534B
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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Abstract
The hoisting support type elevator shaft template device is provided with a bottom support starting device, a lifting support type elevator shaft template device and a lifting support type elevator shaft template device, wherein the bottom support starting device comprises a rectangular bottom plate, a rectangular cylinder, a hydraulic station, a control box and a positioning support assembly; the elevator shaft template component comprises a rectangular platform plate, a vertical folded plate, a rectangular connecting frame, a cross-shaped supporting frame and a lifting hook; the device also comprises a plurality of hydraulic cylinders which are horizontally arranged; and the execution end of the hydraulic cylinder is vertically hinged with a rectangular well template consisting of two front and back first plane templates, two left and right second plane templates and four right-angle templates. According to the invention, the bottom support starting device is combined with the elevator shaft template assembly, so that not only is the laying of the template in the elevator shaft convenient, but also a protective platform is formed in the elevator shaft, the protective platform is lifted by the tower crane, and the positioning support assembly is inserted into the barrel body to continuously support the upper elevator shaft so as to support the template, so that the technical problems of inconvenience and unsafety in template support in the existing elevator shaft and easy deformation of the template during demoulding are solved.
Description
Technical Field
The invention belongs to the technical field of formwork construction of an elevator shaft of a fixed building, and particularly relates to a lifting support type elevator shaft formwork device and a construction method.
Background
The aluminum template is a new generation of novel template support system which appears behind bamboo templates and steel templates. When utilizing aluminium template to pour the shaping elevartor shaft, need the successive layer to pour the shaping. In the prior art, when the elevator shaft is poured layer by layer, an outer shaft template needs to be built firstly, then an inner shaft template is built on the inner side of the outer shaft template, finally a top template is fixed, and then cement is poured into the built template system to form one layer of the elevator shaft. However, when the well template of the previous layer needs to be built after the well template of the new layer is built, the bearing hole needs to be drilled by secondary damage to the side wall on the inner side wall of the formed lower-layer elevator shaft, the bearing hole is used as a support to build a support rod, a climbing frame or a climbing rail, then a protective net or a protective plate can be built on the support rod, the climbing frame or the climbing rail, and after drilling and frame building preparation work are done, the building construction of the well template of the previous layer can be carried out. Taking a hydraulic self-climbing elevator shaft shaping operation platform with an authorization notice number of CN 206091283U as an example; the operation platform has the following disadvantages in the specific application and construction process: firstly, the hanging shoes and the embedded parts need to carry out secondary damage drilling on the formed wall body on the formed lower-layer elevator shaft shear wall, the pre-installation of the hanging shoes and the embedded parts can be completed, and then the fixed support installation of the climbing guide rail can be completed on the embedded parts and the hanging shoes. Secondary damage of the drilled holes on the formed lower elevator shaft shear wall can weaken the structural support strength of the formed elevator shaft shear wall; secondly, the worker stands on an operation platform with poor protection property to drill holes, the protection is lacked, the risk of falling of the worker from the hollow elevator shaft is high, and the secondary drilling operation without the protection is inconvenient; moreover, although the jack is used for demolding, the demolding mechanism of the jack must apply the inclined pulling force with enough inclined component force to the main back rib inclined strut firstly, and then the sufficient horizontal component force separated again on the basis of the inclined pulling component force is used for pulling and pulling the vertical main back rib completely to complete the demolding of the template. In view of this, the following technical solutions are proposed.
Disclosure of Invention
The technical problems solved by the invention are as follows: the hoisting support type elevator shaft template device is provided, and the technical problem that the support strength of a wall body is damaged due to the fact that a formed wall body needs to be drilled during the construction of an elevator shaft inner template in the prior art is solved by thoroughly improving the lifting mode of the inner template assembly and the inner template; the technical problems that the protection is lacked in the drilling and well template building construction of workers and the safety risk of falling of the drilling of the workers is too high are solved through the improved well template assembly; by improving the layout and the structure of the demoulding mechanism, the technical problem that the demoulding mechanism is inclined to pull out and is easy to cause template deformation in the prior art is solved.
The technical scheme adopted by the invention is as follows: hang lift support formula elevartor shaft template device, its characterized in that: the elevator well template assembly is characterized by comprising a bottom support starting device, wherein the top end of the bottom support starting device is fixedly connected with an elevator well template assembly, and a control box is arranged in the elevator well template assembly; the bottom support starting device is provided with a rectangular bottom plate, a positioning support assembly which horizontally extends and retracts outwards is fixedly mounted on the outer side of a plate body of the rectangular bottom plate, the positioning support assembly is coaxially positioned and matched with and spliced with a drum body, the outer side end of the drum body extends out of the plate body before the elevator shaft template assembly is poured, and the inner side end of the drum body is fixedly mounted on an elevator shaft template; after the elevator shaft template assembly is poured, after the inner side end of the drum body is disassembled, the drum body is solidified and left in cement; a rectangular cylinder is vertically and fixedly connected to the upper end of the middle of the rectangular bottom plate body, a hydraulic station is arranged outside the rectangular cylinder, the top end of the rectangular cylinder is fixedly connected with the bottom of the elevator shaft template assembly, and a rectangular platform plate is arranged at the bottom of the elevator shaft template assembly; four corners of the upper end surface of the rectangular platform plate body are respectively and vertically fixedly connected with vertical folded plates with the 'Chinese' shaped structure, and two adjacent vertical folded plates in the annular direction of the four vertical folded plates are fixedly connected through a rectangular connecting plate; the top of the vertical folded plate is fixedly connected with a rectangular connecting frame in a supporting way, and the rectangular connecting frame is fixedly connected with a cross-shaped supporting frame and a lifting hook in a supporting way; the vertical plate bodies on the two sides of the vertical folded plate and the connecting plate body are uniformly distributed and vertically penetrate through the vertical plate bodies on the two sides of the vertical folded plate and the connecting plate body, and a plurality of first hydraulic cylinders are respectively and fixedly installed; the vertical plate bodies at the four corners in the middle of the vertical folded plate are uniformly distributed and vertically penetrate through the vertical plate bodies at the four corners in the middle of the vertical folded plate, and a plurality of second hydraulic cylinders are respectively and fixedly installed on the vertical plate bodies; the outer side execution ends of the rod bodies of the piston rods of the first hydraulic cylinders at the front and rear positions are respectively and fixedly hinged with the inner surface of a first plane template plate body which is vertically arranged; the outer execution ends of the rod bodies of the piston rods of the first hydraulic cylinders at the left and right positions are respectively and vertically hinged and fixedly connected with the inner surface of a second planar template plate body which is vertically arranged; the outer side execution ends of the rod bodies of the piston rods of the second hydraulic cylinders are respectively and fixedly hinged with the inner surface of the vertically arranged right-angle template plate body; the two front and back first plane templates, the two left and right second plane templates and the four right angle templates are clamped and matched through the L-shaped notches to form the rectangular well template.
It should be noted that: the barrel 18 is fastened and installed on the outer side wall of the elevator shaft template assembly 2 in advance, after the elevator shaft template assembly 2 finishes upper cement pouring and upper cement pouring curing molding, fastening screws of the barrel 18 are unscrewed, the barrel 18 is directly reserved in cement after new pouring molding after being detached from the elevator shaft template assembly 2, then lifting hooks 17 are lifted, the whole well template assembly is lifted to the barrel 18 after new pouring molding curing in the cement, the positioning support assembly 4 is spliced with the barrel 18 cured in the cement in an adaptive mode, the bottom support starting device 1 and the elevator shaft template assembly 2 are supported integrally through the positioning support assembly 4, and hydraulic telescopic combination building and cement pouring operation of the previous layer of well template is started.
Round platform through-hole 142 is opened respectively to second plane template plate body inside wall about two, and above-mentioned round platform through-hole passes through fastening screw installation cask body, and outside the cask body stretches out second plane template plate body, and before pouring, the fastening installation in advance of cask body to after the pouring, the cask body is dismantled from second plane template plate body, and the cask body that the solidification was stayed in the cement after the dismantlement is matchd with the coaxial location of location support component and is corresponded the adaptation and peg graft.
The positioning support assembly consists of a guide cylinder, a cylinder in sliding fit with the inner wall of the guide cylinder and a third hydraulic cylinder for pushing the cylinder to horizontally and transversely stretch and displace; the guide cylinder and the shell of the third hydraulic cylinder body are fixedly connected with the rectangular bottom plate respectively; the third hydraulic cylinder piston rod is hinged to and fixedly connected with the inner side end of the cylinder, the cylinder is wholly pushed by the third hydraulic cylinder piston rod to horizontally stretch and displace outwards from the rectangular bottom plate body, and the outer side end rod body of the cylinder is used for being matched with and connected with the barrel body in an inserting mode.
The inner side surfaces of the vertical plate bodies at two sides of the right-angle template are provided with first L-shaped notches, and the outer side surfaces of the vertical plate bodies at two ends of the first planar template are provided with second L-shaped notches which are matched with the first L-shaped notches in a clamping manner; and third L-shaped notches which are matched with the first L-shaped notches in a clamping manner are formed in the outer side surfaces of the vertical plates at the two ends of the second planar template.
One side surface of the rectangular cylinder is provided with a door opening; a ladder stand is arranged in the rectangular cylinder; the other side surface of the rectangular cylinder is provided with a through hole for an oil pipeline; and a rectangular platform plate body fixedly connected with the rectangular cylinder is provided with a circular through hole, and the circular through hole is communicated with the rectangular cylinder and the elevator shaft template component.
The construction method of any one of the hoisting support type elevator shaft template devices comprises the following steps:
step a, building an in-well template: the control box controls the second hydraulic cylinder to push the four right-angle templates to enable the templates to stretch out in place; the left and right first hydraulic cylinders are controlled by the control box to push the left and right second flat templates so that the templates extend out in place; fastening screws are used at the positions of the circular truncated cone through holes of the second flat template pushed in place, and a cylindrical barrel extending out of the second flat template is fixedly installed on the inner side of the second flat template; the control box controls the first hydraulic cylinder to push the front and rear first plane templates so that the templates extend in place; the front and rear first plane templates and the left and right second plane templates are respectively clamped on the right-angle template to form a complete rectangular template in the well; connecting the built well template and the well template through a screw rod to be poured;
step b, pouring the inner formwork and the outer formwork: pouring concrete between the built well inner formwork and the well outer formwork in the step a;
step c, demoulding the template in the well: after the concrete poured in the step b is cured by 70%, disassembling a screw rod which is connected with the inner template and the outer template in advance; lightly knocking a right-angle template, a first plane template and a second plane template which form the template in the well to separate the template in the well from a newly poured and initially cured concrete well body; the fastening screws of the barrel body pre-installed with the second flat template are unscrewed, the first hydraulic cylinder is controlled by the control box to retract to the right and left second flat templates for demolding, the second flat panel is separated from the barrel body, and the barrel body is left in the newly poured and cured concrete well body; the control box controls the first hydraulic cylinder to retract to the right position so as to remove the first plane template before and after the template removal; the second hydraulic cylinder is controlled to retract to the right-angle template to be demoulded until the right-angle template is demoulded;
d, lifting the template in the well: after the step c is finished, retracting and contracting the positioning support assembly, and hooking the lifting hook by a tower crane to lift the elevator shaft template assembly 2 and the bottom support starting device; c, when the positioning support assembly on the outer side of the bottom support starting device is lifted and reaches the position of the newly poured barrel in the step c, and the barrel remained in the concrete well body is solidified, stopping lifting; extending the positioning support component 4 and inserting the positioning support component into the barrel body in a positioning and adaptive manner; the bottom support starting device and the elevator shaft template assembly are positioned, supported and fixed in the elevator shaft through the positioning and supporting assembly, and lifting of the template in the elevator shaft and supporting and fixing of the template in the elevator shaft are completed;
and e, repeating and circulating according to the sequence of the steps a, b, c and d and taking the sequence as a period to complete the construction and pouring of the template in the elevator shaft from bottom to top.
Compared with the prior art, the invention has the advantages that:
1. after the well template assembly is built, the barrel 18 extends out of the well template and is fastened and installed by fastening screws; then, pouring is started; after the cement is poured and cured, screwing off fastening screws of the barrel 18 connected with the well template assembly, hydraulically driving demoulding, separating the well template from the barrel 18, and curing and retaining the barrel 18 in the cement after pouring, curing and molding; the drum body 18 solidified in the newly-poured wall body is used as a support body for the whole template assembly device at the previous layer after being lifted, namely the drum body 18 is inserted with the positioning support assembly 4 in a matching way to support the whole template assembly device in the well, so that the building and pouring of the template in the well at the previous layer are completed; therefore, the barrel 18 is fastened and installed outside the formwork before pouring, the fastening screws are loosened after the barrel 18 is poured to enable the barrel 18 to be directly solidified and retained in the cement wall along with cement, and the barrel 18 retained in the cement is positioned, adapted, inserted, positioned and supported by the supporting component 4 to support and lift the whole template device, so that the operation step of manual secondary damage drilling of workers is omitted, and the structural support strength of a newly-formed elevator shaft shear wall cannot be weakened; secondly, in cooperation with the protection effect of the rectangular connecting plate 11, the fastening and installation of the drum body 18 on the inner side wall of the template are all completed on the inner side of the plate, so that the pre-installation and disassembly operation of the drum body 18 is simple, convenient, safe and convenient, and the safety risk of workers falling from the hollow elevator shaft is greatly reduced;
2. according to the invention, the structure of the demolding mechanism is improved, and the demolding of the template is directly and horizontally pulled out through the plurality of second hydraulic cylinders 9 and the first hydraulic cylinders 8 which are uniformly distributed and vertically penetrate through the vertical folded plates and fixedly installed on the rectangular connecting plate, so that the efficient labor-saving and easy demolding of the closed type elevator shaft inner template with large vertical direction fall can be met, and the demolding mode of uniformly pulling out and applying force to the template at multiple points is adopted, so that the problem of bending deformation of the template plate body easily caused in the process of hydraulic pulling out and demolding of the template is thoroughly solved; the purposes of deformation prevention and demoulding of the templates are thoroughly realized, and a set of inner templates can be continuously and circularly used, so that the construction efficiency is favorably improved, the construction difficulty of template building is favorably reduced, and the construction period is shortened;
3. the vertical folded plate 7 with the' square structure and the rectangular cylinder 5 cooperate with the rectangular connecting plate 11 to be used as a protective net on the basis of finishing respective structural support functions; therefore, the elevator shaft template assembly 2 not only effectively ensures the structural support strength of the mold building support, simplifies the structural composition of the mold building, but also reliably and effectively avoids the risk of falling objects; the structure is simple, the support is reliable, the space protection function is realized, and the construction safety is high;
4. according to the invention, two front and rear first plane templates 13, two left and right second plane templates 14 and four right angle templates 12 are clamped and matched through L-shaped notches to form a rectangular well template, and are cooperated with multipoint hydraulic cylinders to pull and pull out the mold for modeling, so that the mold building and demolding are labor-saving, convenient and deformation-preventing; the influence that the adjacent template combination gaps are easy to leak and are mixed with cement is eliminated, and the technical problems that the demolding resistance is too large and the combined template is difficult to demold and split due to the fact that the cement is solidified in the template gaps are avoided; the method is more favorable for differentiation and demoulding among the combined templates after knocking and shaking;
5. the invention completes the construction and the laying of the template in the elevator shaft by combining the bottom support starting device 1 and the elevator shaft template assembly 2, and directly forms a protective platform in the elevator shaft; lifting is carried out through a tower crane, the whole device is supported through the extended positioning support assembly 4, and the upper construction formwork support is completed through hydraulic driving, so that the laying construction and dismounting efficiency of the formwork in the elevator shaft can be greatly improved;
6. according to the invention, four right-angle templates 12, two front and rear first plane templates 13, two left and right second plane templates 14 forming the elevator shaft template are extended in place and sealed and spliced to form the rectangular elevator shaft inner template through the first hydraulic cylinders 8 and the second hydraulic cylinders 9 fixed on the four vertical folded plates 7, the laying process of the elevator shaft template is stable and quick, the template can be prevented from deforming during demoulding, the template can be repeatedly used for many times, the laying difficulty of the elevator shaft inner template is greatly reduced, and the construction progress is improved;
7. the drum body 18 which can be disassembled from the second plane template 14 and the positioning support component 4 which is in adaptive insertion connection with the drum body 18 are solidified and retained in the newly poured and solidified elevator shaft concrete wall through the drum body 18 and are used for fixedly supporting and connecting the positioning support component, so that unnecessary elevator shaft holes are reduced, the positioning position is more accurate and stable, the strength is high, the support is reliable, and the construction is efficient.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a bottom support activation device according to the present invention;
FIG. 3 is a schematic perspective view of an elevator hoistway formwork assembly of the present invention with the right angle formwork, the first planar formwork, and the second planar formwork removed;
FIG. 4 is a perspective view of the barrel of the present invention;
FIG. 5 is a schematic perspective view of a first planar template;
FIG. 6 is a schematic perspective view of a second planar template;
FIG. 7 is a schematic perspective view of a right angle form of the present invention;
in the drawings, the names of the components represented by the respective reference numerals are as follows: 1-bottom support starting device, 2-elevator shaft template component, 3-rectangular bottom plate, 4-positioning support component, 5-rectangular cylinder, 6-rectangular platform plate, 7-vertical folded plate, 8-first hydraulic cylinder, 9-second hydraulic cylinder, 10-hydraulic station, 11-connecting plate, 12-right-angle template, 13-first planar template, 14-second planar template, 15-rectangular connecting frame, 16-cross supporting frame, 17-lifting hook, 18-cylindrical barrel body, 401-guiding cylinder, 402-cylinder, 403-third hydraulic cylinder, 501-door opening, 601-circular through hole, 121-first L-shaped notch, 131-second L-shaped notch, 141-third L-shaped notch and 142-circular through hole.
Detailed Description
Specific embodiments of the present invention are described below with reference to fig. 1-7.
The following examples are given to facilitate a better understanding of the invention, but do not limit the invention. The hoisting method and the construction of the outdoor template in the following embodiments are not particularly described, and are both a conventional hoisting method and a construction method. The names of the components and the materials of the components used in the following examples are all commercially available unless otherwise specified. In the following embodiments, the control box is electrically connected to the control circuit of the hydraulic cylinder, and all the control box is in a conventional control mode if no special description is provided; the connection between the hydraulic cylinder and the hydraulic circuit in front of the hydraulic station is a conventional hydraulic circuit connection mode if no special description is provided.
In the present invention, without going to the contrary, it is understood that: the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, except for a specific explanation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that the terms "mounted," "connected," "disposed," and "provided" are to be construed broadly and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed unless otherwise explicitly stated or limited. As another example, a mechanical connection; may be directly connected or may be indirectly connected through other intermediate members. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Hang lift support formula elevartor shaft template device, its characterized in that: including bottom sprag starting drive 1, 1 tops of bottom sprag starting drive can be through bolt fastening subassembly, adopt flange formula fastening connection's mode or the mode that the direct welding linked firmly to link firmly elevartor shaft template subassembly 2. Specifically, the bottom support starting device 1 is fixedly connected with the rectangular platform plate 6 of the elevator shaft template component 2 through the rectangular cylinder 5. A control box is arranged in the elevator shaft template component 2. The bottom support starting device 1 is controlled by a hydraulic cylinder and is provided with a rectangular bottom plate 3, a positioning support component 4 which horizontally extends and retracts outwards is fixedly installed on the outer side of a plate body of the rectangular bottom plate 3, the positioning support component 4 is coaxially positioned, adapted and spliced with a barrel body 18, the barrel body 18 is inserted into an elevator shaft template component 2 in an inserting mode, the outer side end of the barrel body 18 extends out of the plate body, and the inner side end of the barrel body 18 is fixedly installed on an elevator shaft template; after the elevator shaft template assembly 2 is poured, after the inner side end of the drum body 18 is detached, the drum body 18 is solidified and left in cement; the barrel 18 extends out of the elevator shaft formwork assembly 2 before casting, is tightly installed on the elevator shaft formwork (as shown in fig. 1), and after casting, the barrel 18 is disassembled and solidified to be left in cement (the state is not shown in the figure); the upper end of the middle part of the plate body of the rectangular bottom plate 3 is vertically and fixedly connected with a rectangular cylinder 5, a hydraulic station 10 (combined with a figure 2) is arranged outside the rectangular cylinder 5, the top end of the rectangular cylinder 5 is fixedly connected with the bottom of the elevator shaft template assembly 2, and a rectangular platform plate 6 is arranged at the bottom of the elevator shaft template assembly 2; and the bottom supporting starting device 1 is fixedly connected with a rectangular platform plate 6 of the elevator shaft template component 2 through a rectangular cylinder 5. Four corners of the upper end face of the plate body of the rectangular platform plate 6 are respectively and vertically fixedly connected with vertical folded plates 7 of the integrally formed 'comfort' structure, and the vertical folded plates 7 are used as an inner support steel structure framework of the elevator shaft template component 2 and are also provided with a protective net; the four vertical folded plates 7 are fixedly connected between two adjacent vertical folded plates 7 in the annular direction through the rectangular connecting plate 11, the structural support strength of the steel structure support framework in the elevator shaft template assembly 2 is increased through the rectangular connecting plate 11, a worker is promoted to stand in the elevator shaft template assembly 2 to construct, disassemble and install the barrel body 18, and the worker presses a control box control button to control the safety protection performance of the hydraulic cylinder during action. The tops of the four vertical fixedly-installed vertical folded plates 7 are simultaneously supported and fixedly connected with the rectangular connecting frame 15, the tops of the rectangular connecting frames 15 can be welded or fastened to support and fixedly connect the cross support frame 16, and the top end of the outer side of the central position of the cross support frame 16 is welded or fastened to fixedly connect the lifting hook 17 (as shown in fig. 1 and 3). (see fig. 3) vertical plate bodies on two sides of the vertical folded plate 7 and a connecting plate 11 are uniformly distributed and vertically penetrate through the vertical plate bodies on two sides of the vertical folded plate 7 and the connecting plate 11, and a plurality of first hydraulic cylinders 8 are respectively and fixedly installed; the vertical plate bodies at the four corners in the middle of the vertical folded plate 7 are uniformly distributed and vertically penetrate through the vertical plate bodies at the four corners in the middle of the vertical folded plate 7, and a plurality of second hydraulic cylinders 9 are respectively and fixedly installed; the outer execution ends of the rod bodies of the piston rods of the first hydraulic cylinders 8 at the front and rear positions are respectively and vertically hinged and fixedly connected with the inner surface of the plate body of a vertically arranged first plane template 13; the outer execution ends of the piston rod bodies of the first hydraulic cylinders 8 at the left and right positions are respectively and vertically hinged and fixedly connected with the inner surface of a plate body of a vertically arranged second plane template 14; the outer execution ends of the rod bodies of the piston rods of the second hydraulic cylinders 9 are respectively and fixedly hinged with the inner surface of a plate body of a vertically arranged right-angle template 12; wherein, the executing ends of the piston rod bodies of a plurality of first hydraulic cylinders 8 fixedly arranged on the front and rear vertical folded plates 7 and the front and rear rectangular connecting plates 11 are vertically hinged with the vertical inner side walls of the first plane templates 13 one by one (as shown in figure 3); the execution ends of piston rod bodies of a plurality of first hydraulic cylinders 8 fixedly arranged on the left vertical folded plate 7, the right vertical folded plate 7 and the left rectangular connecting plate 11 are vertically hinged with the vertical inner side wall of the second planar template 14 one by one; the execution ends of the piston rod bodies of a plurality of second hydraulic cylinders 9 fixedly arranged on the middle vertical plate of the vertical folded plate 7 are vertically hinged with the vertical inner side wall of the plate body of the right-angle template 12 one by one; the two front and rear first plane templates 13, the two left and right second plane templates 14 and the four right angle templates 12 are clamped and matched through L-shaped notches to form the rectangular well template.
In addition, about the concrete connection mode that perpendicular articulated the linking firmly between every piston rod execution end and the interior template of well: specifically, not shown in the figure, a pair of pin shaft supporting lug plates which are parallel to each other can be fixedly arranged between the execution end of each piston rod and the inner side wall of the well template through the vertical inner side wall of the well template, and the plate body of each pin shaft supporting lug plate provided with a through hole has enough thickness to ensure the connection strength; inserting the tail end of the execution end of the piston rod between the pair of support lug plates provided with the vertical through holes, and forming a pin shaft mounting hole at the tail end of the execution end of the piston rod; and the pin shaft is matched and penetrates through the vertical through hole of the support lug plate and the piston rod pin shaft mounting hole and is locked and stopped by the cotter pin, so that the vertical hinged connection between each piston rod execution end and the well template assembly is realized.
It should be noted that: further: in order to prevent the template from deforming during demoulding: a horizontally arranged guiding connecting rod component is arranged between the second flat template 14 at the left and right positions and the left and right vertical folded plates 7; a horizontally arranged guiding connecting rod component is arranged between the first plane template 13 at the front and back positions and the front and back vertical folded plates 7; a guide connecting rod component is arranged between the right-angle template 12 at the four corners and the middle plate body of the vertical folded plate 7 at the four corners; the guiding connecting rod component consists of a sleeve and a cylindrical rod; each cylindrical rod is respectively in sliding friction splicing with the adaptive sleeve, and each cylindrical rod and the sleeve are in axial sliding friction adaptive splicing along the horizontal direction; the cylindrical rods are uniformly and vertically fixedly arranged on the outer side walls of the vertical folded plate 7 and the rectangular connecting plate 11; with cylinder pole sliding connection's unified perpendicular fixed mounting of cylinder sleeve at right angle template 12, two first plane templates 13, the vertical inside wall of two second plane templates 14, strengthen the location through cylinder pole and telescopic sliding connection and support the template and take place to warp when preventing 2 drawing of patterns of template subassembly in the well to when playing the pneumatic cylinder drawing of pulling out the template drawing of patterns, be used for the dispersion to apply the effect of pulling out on the template, reach the whole vertical purpose of pulling out the drawing of patterns of templates.
As for the barrel 18, it is to be noted that: the barrel 18 is fastened and installed on the outer side wall of the elevator shaft template assembly 2 in advance, after the elevator shaft template assembly 2 finishes upper cement pouring and upper cement pouring curing molding, fastening screws of the barrel 18 are unscrewed, the barrel 18 is directly reserved in cement after new pouring molding after being detached from the elevator shaft template assembly 2, then lifting hooks 17 are lifted, the whole well template assembly is lifted to the barrel 18 after new pouring molding curing in the cement, the positioning support assembly 4 is spliced with the barrel 18 cured in the cement in an adaptive mode, the bottom support starting device 1 and the elevator shaft template assembly 2 are supported integrally through the positioning support assembly 4, and hydraulic telescopic combination building and cement pouring operation of the previous layer of well template is started.
When the control box controls the operation of the hydraulic cylinder, it is necessary to explain: the control box comprises three groups of control buttons: the first group of control buttons are used for correspondingly controlling simultaneous telescopic switching operation and control of all the first hydraulic cylinders 8 hinged with the front and rear first plane templates 13; the second group of control buttons are used for correspondingly controlling the simultaneous telescopic switching operation and control of all the first hydraulic cylinders 8 hinged with the left and right second plane templates 14; the third group of control buttons is used for correspondingly controlling all the second hydraulic cylinders 9 hinged with the right-angle template 12 to be simultaneously used for telescopic switching operation; the fourth set of control buttons is used for simultaneous telescopic switching steering use of all cylinders 402 articulated to the third hydraulic cylinder 403.
In the scheme, the system comprises a power supply loop externally connected with commercial power, and the hydraulic cylinder, the control box and the hydraulic station are all arranged in the power supply loop and are powered by the external commercial power. The hydraulic cylinder, the control box and the power supply loop of the hydraulic station externally connected with the mains supply belong to the prior art, so that related circuit diagrams are omitted.
Round platform through-holes 142 are respectively formed in the inner side walls of the plate bodies of the left and right second flat templates 14, the round platform through-holes 142 are used for installing the barrel body 18 through fastening screws, the barrel body 18 extends out of the plate body of the second flat template 14, the barrel body 18 is fastened and installed in advance before pouring, the barrel body 18 is detached from the plate body of the second flat template 14 after pouring, and the barrel body 18 which is solidified and left in cement after detachment is matched with the positioning support component 4 in a coaxial positioning mode to be correspondingly adaptive and spliced. It should be noted that: the purpose of forming the circular truncated cone through holes 142 in the inner side walls of the left and right second plane templates 14 is as follows: workers can safely stand on the inner side of the rectangular platform plate 6 to complete the fastening installation of the drum body 18 and safely complete the loosening and dismounting of fastening screws of the drum body 18. As shown in fig. 1, two circular truncated cone through holes 142 are formed in each of the left and right second planar templates 14, corresponding to the number of the positioning support assemblies 4.
(as shown in fig. 2) the positioning and supporting assembly 4 consists of a guide cylinder 401, a cylinder 402 in sliding fit with the inner wall of the guide cylinder 401, and a third hydraulic cylinder 403 for pushing the cylinder 402 to horizontally and transversely stretch and displace; wherein, the cylinder body shells of the guide cylinder 401 and the third hydraulic cylinder 403 are respectively fixedly connected with the rectangular bottom plate 3; specifically, the bottom of the outer side wall of the cylinder body of the guide cylinder 401 is fixedly welded on the upper end surface of the plate body of the rectangular bottom plate 3; the outer shell of the cylinder body of the third hydraulic cylinder 403 can also be fixedly connected with the upper end surface of the plate body of the rectangular bottom plate 3 in a welding manner. The piston rod of the third hydraulic cylinder 403 is hinged to the inner side end of the cylinder 402, the cylinder 402 is wholly pushed by the piston rod to horizontally and horizontally stretch and displace towards the outside of the plate body of the rectangular bottom plate 3, and the cylinder 402 is used for being matched with and inserted into the barrel body 18.
In order to prevent the pouring cement from leaking into the gap of the template in the well and hindering the demoulding: (as shown in fig. 4 to 6), first L-shaped notches 121 are formed in the inner side surfaces of the vertical plate bodies on both sides of the right-angle template 12, and second L-shaped notches 131 which are in clamping fit with the first L-shaped notches 121 are formed in the outer side surfaces of the vertical plate bodies on both ends of the first planar template 13; and third L-shaped notches 141 which are in clamping fit with the first L-shaped notches 121 are formed in the outer side surfaces of the vertical plates at the two ends of the second planar template 14.
In order to further facilitate workers to get in and out of the elevator shaft inner formwork assembly 2 and safely assemble and disassemble the drum body 18 and the fastening screws of the drum body 18 in the elevator shaft inner formwork assembly 2: a door opening 501 is formed in one side face of the rectangular cylinder 5; a ladder stand is arranged in the rectangular cylinder 5; the other side surface of the rectangular cylinder 5 is provided with a through hole 502 for an oil pipeline; (as shown in fig. 2) a rectangular platform plate 6 fixedly connected with the rectangular cylinder 5 is provided with a circular through hole 601, and the circular through hole 601 is communicated with the rectangular cylinder 5 and the elevator shaft template assembly 2.
The construction method of any one of the hoisting support type elevator shaft template devices comprises the following steps:
step a, building an in-well template: the control buttons on the control box control all the second hydraulic cylinders 9 to synchronously push the four right-angle templates 12 at the same time, and the four right-angle templates 12 are synchronously extended in place all the time in a vertical state; the left and right first hydraulic cylinders 8 are controlled by another group of control buttons on the control box to synchronously push the left and right second flat templates 14 at the same time, and the left and right second flat templates 14 are synchronously extended in place while keeping the plate bodies in a vertical state all the time; fastening screws are used at the positions of the circular truncated cone through holes 142 of the second flat template 14 which is pushed to the right position, and the barrel body 18 extending out of the plate body of the second flat template 14 is fastened and installed on the inner side of the second flat template 14; (the structure of the barrel 18 is shown in figure 7); the last group of control buttons on the control box controls all the front and rear first hydraulic cylinders 8 to synchronously push the front and rear first flat templates 13 at the same time, and the front and rear first flat templates 13 are extended in place in a way of always keeping the plate bodies in a vertical state; the front and rear first plane templates 13 and the left and right second plane templates 14 are respectively clamped on the first L-shaped notch 121 of the right-angle template 12 which extends out in place firstly to form the construction of a complete rectangular well template; connecting the built well template and the well template through a screw rod to be poured; the screw rod connection mode belongs to the prior art and can be disassembled after the pouring is finished.
Step b, pouring the inner formwork and the outer formwork: pouring concrete between the built well inner formwork and the well outer formwork in the step a;
step c, demoulding the template in the well: after the concrete poured in the step b is cured by 70%, disassembling a screw rod which is connected with the inner template and the outer template in advance; lightly knocking a right-angle template 12, a first plane template 13 and a second plane template 14 which form the template in the well to separate the template in the well from a newly poured and primarily cured concrete well body; the fastening screws of the barrel body 18 pre-installed on the second flat template 14 are unscrewed, the piston rods of all the front and rear first hydraulic cylinders 8 are controlled to retract to the right through the control buttons on the control box so as to remove the left and right second flat templates 14, the second flat plate 14 is separated from the barrel body 18, and the barrel body 18 is left in a newly poured and cured concrete well body; the piston rods of all the front and rear first hydraulic cylinders 8 are controlled to retract to the right position through control buttons on the control box so as to remove the front and rear first plane templates 13; the piston rods of all the second hydraulic cylinders 9 are controlled to retract to the right-angle templates 12 through control buttons on the control box so as to demold the templates in the well;
d, lifting the template in the well: after the step c is finished, retracting and retracting the positioning and supporting assembly 4, hooking the lifting hook 17 through a tower crane to lift the elevator shaft template assembly 2 and the bottom supporting and starting device 1; when the positioning support component 4 at the outer side of the bottom support starting device 1 is lifted and reaches the step c, the new pouring is finished and the barrel body 18 left in the concrete well body is solidified, the lifting is stopped; extending the positioning support component 4 and inserting the positioning support component into the barrel body 18 in a positioning and matching way; the bottom support starting device 1 and the elevator shaft template component 2 are fixedly positioned, supported and fixed in the elevator shaft through the positioning and supporting component 4, so that the hoisting and the supporting of the template in the elevator shaft are completed and the template is fixedly supported in the elevator shaft; specifically, the support fixing mode of the positioning support assembly 4 controls the piston rods of all the third hydraulic cylinders 403 to synchronously and synchronously extend out of the plate body of the rectangular bottom plate 3 synchronously through the control buttons on the control box so as to position and adapt to the newly cast and solidified reserved barrel body 18 in the insertion wall body.
And e, repeating and circulating according to the sequence of the steps a, b, c and d and taking the sequence as a period to complete the construction and pouring of the template in the elevator shaft from bottom to top.
The steps of the construction method disclosed by the invention and the description of the working principle need to be explained as follows: the method is characterized in that the bottommost well template is built and poured, and different from the method disclosed by the invention, when the bottom layer is built and poured, the bottom support starting device 1 is directly placed on the ground and supported by the ground, and then the building and pouring of the bottommost ground well template are firstly completed according to the sequence of the steps a, b, c and d, wherein the bottom layer is a bottom layer; a foundation vertical inner formwork is built on the outer side of the bottom support starting device 1 so as to make necessary protection to prevent the bottom support starting device 1 from being solidified by cement when the ground is poured; the connection mode of the vertical inner template of the foundation and the invention does not belong to the protection scope of the invention, so the connection mode is not disclosed; and (3) starting to build and pour the template in the elevator shaft from the bottom layer and the second layer of the template in the elevator shaft from the bottom layer, and according to the method and the principle sequentially described in the steps a, b, c and d of the invention, and the sequence of a, b, c and d is taken as a period to repeat circulation, so that the building and pouring of the template in the elevator shaft from the bottom to the top can be completed layer by layer.
From the above description it can be found that: after the well template assembly is built, the barrel 18 extends out of the well template and is fastened and installed by fastening screws; then, pouring is started; after the cement is poured and cured, screwing off fastening screws of the barrel 18 connected with the well template assembly, hydraulically driving demoulding, separating the well template from the barrel 18, and curing and retaining the barrel 18 in the cement after pouring, curing and molding; the drum body 18 solidified in the newly-poured wall body is used as a support body for the whole template assembly device at the previous layer after being lifted, namely the drum body 18 is inserted with the positioning support assembly 4 in a matching way to support the whole template assembly device in the well, so that the building and pouring of the template in the well at the previous layer are completed; therefore, the barrel 18 is fastened and installed outside the formwork before pouring, the fastening screws are loosened after the barrel 18 is poured to enable the barrel 18 to be directly solidified and retained in the cement wall along with cement, and the barrel 18 retained in the cement is positioned, adapted, inserted, positioned and supported by the supporting component 4 to support and lift the whole template device, so that the operation step of manual secondary damage drilling of workers is omitted, and the structural support strength of a newly-formed elevator shaft shear wall cannot be weakened; secondly, in cooperation with the protection effect of the rectangular connecting plate 11, the fastening and installation of the drum body 18 on the inner side wall of the template are all completed on the inner side of the plate, so that the pre-installation and disassembly operation of the drum body 18 is simple, convenient, safe and convenient, and the safety risk of workers falling from the hollow elevator shaft is greatly reduced.
Moreover, the structure of the demolding mechanism is improved, and the demolding of the template is directly and horizontally pulled out through a plurality of second hydraulic cylinders 9 and first hydraulic cylinders 8 which are uniformly distributed and vertically penetrate through the vertical folded plates and fixedly installed on the rectangular connecting plate, so that the efficient labor-saving and easy demolding of the closed type elevator shaft inner template with large vertical direction fall can be met, and the demolding mode of uniformly pulling out and applying force to the template at multiple points is adopted, so that the problem that the template body is easily bent and deformed in the process of hydraulic pulling out, pulling out and demolding of the template is thoroughly solved; the anti-deformation demolding of the template is thoroughly realized, the purpose that one set of inner template can be continuously recycled is realized, the construction efficiency is favorably improved, the construction difficulty of template building is favorably reduced, and the construction period is shortened. The vertical folded plate 7 with the' square structure and the rectangular cylinder 5 cooperate with the rectangular connecting plate 11 to be used as a protective net on the basis of finishing respective structural support functions; therefore, the elevator shaft template assembly 2 not only effectively ensures the structural support strength of the mold building support, simplifies the structural composition of the mold building, but also reliably and effectively avoids the risk of falling objects; simple structure, support reliable, interval safeguard function, construction security is high.
In addition to the advantages, the two front and rear first plane templates 13, the two left and right second plane templates 14 and the four right angle templates 12 are connected and matched through the L-shaped notches to form the rectangular well template, and the combined action of the two front and rear first plane templates, the two left and right second plane templates and the four right angle templates is cooperated with multipoint transverse pulling, demolding and modeling of the multipoint hydraulic cylinder, so that the mold building, the demolding and the labor saving, the convenience and the deformation prevention are realized; the influence that the adjacent template combination gaps are easy to leak and are mixed with cement is eliminated, and the technical problems that the demolding resistance is too large and the combined template is difficult to demold and split due to the fact that the cement is solidified in the template gaps are avoided; the method is more favorable for differentiation and demoulding among the combined templates after knocking and shaking.
In summary, the following steps: the invention completes the construction and the laying of the template in the elevator shaft by combining the bottom support starting device 1 and the elevator shaft template assembly 2, and directly forms a protective platform in the elevator shaft; through the tower crane promotion rise, through the 4 strutting arrangement in the location supporting component that stretch out whole, accomplish the top through hydraulic drive and build a formwork, can improve laying of elevartor shaft inner formword greatly and build and dismantle efficiency. According to the invention, the rectangular elevator shaft inner formwork is formed by extending the first hydraulic cylinders 8 and the second hydraulic cylinders 9 fixed on the four vertical folding plates 7 in place, sealing and splicing through the four right-angle formworks 12, the two front and rear first plane formworks 13, and the two left and right second plane formworks 14 which form the elevator shaft formwork, the laying process of the elevator shaft inner formwork is stable and quick, the formwork can be prevented from deforming during demoulding, the formwork can be repeatedly used for many times, the laying difficulty of the elevator shaft inner formwork is greatly reduced, and the construction progress is improved. The drum body 18 which can be disassembled from the second plane template 14 and the positioning support component 4 which is in adaptive insertion connection with the drum body 18 are solidified and retained in the newly poured and solidified elevator shaft concrete wall through the drum body 18 and are used for fixedly supporting and connecting the positioning support component, so that unnecessary elevator shaft holes are reduced, the positioning position is more accurate and stable, the strength is high, the support is reliable, and the construction is efficient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.
Claims (6)
1. Hang lift support formula elevartor shaft template device, its characterized in that: the elevator shaft template assembly starting device comprises a bottom supporting starting device (1), wherein the top end of the bottom supporting starting device (1) is fixedly connected with an elevator shaft template assembly (2), and a control box is arranged in the elevator shaft template assembly (2); the bottom support starting device (1) is provided with a rectangular bottom plate (3), a positioning support component (4) which horizontally extends and retracts outwards is fixedly installed on the outer side of a plate body of the rectangular bottom plate (3), the positioning support component (4) is coaxially positioned, adapted and spliced with a barrel body (18), the outer side end of the barrel body (18) extends out of the plate body before the elevator shaft template component (2) is poured, and the inner side end of the barrel body (18) is fixedly installed on an elevator shaft template; after the elevator shaft template component (2) is poured, the inner side end of the barrel body (18) is disassembled, and the barrel body (18) is solidified and left in cement; the upper end of the middle part of the plate body of the rectangular bottom plate (3) is vertically and fixedly connected with a rectangular cylinder (5), a hydraulic station (10) is arranged on the outer side of the rectangular cylinder (5), the top end of the rectangular cylinder (5) is fixedly connected with the bottom of the elevator shaft template component (2), and a rectangular platform plate (6) is arranged at the bottom of the elevator shaft template component (2); four corners of the upper end surface of a plate body of the rectangular platform plate (6) are respectively and vertically fixedly connected with vertical folded plates (7) with the 'coding rate' structure, and two adjacent vertical folded plates (7) in the annular direction of the four vertical folded plates (7) are fixedly connected through a rectangular connecting plate (11); the top of the vertical folded plate (7) is fixedly connected with a rectangular connecting frame (15) in a supporting way, and the rectangular connecting frame (15) is fixedly connected with a cross-shaped supporting frame (16) and a lifting hook (17) in a supporting way; vertical plate bodies on two sides of the vertical folded plate (7) and a plate body of the connecting plate (11) are uniformly distributed and vertically penetrate through the vertical plate bodies on two sides of the vertical folded plate (7) and the plate body of the connecting plate (11), and a plurality of first hydraulic cylinders (8) are respectively and fixedly installed; vertical plate bodies at the middle four corners of the vertical folded plate (7) are uniformly distributed and vertically penetrate through the vertical plate bodies at the middle four corners of the vertical folded plate (7), and a plurality of second hydraulic cylinders (9) are respectively and fixedly installed; the outer execution ends of the piston rod bodies of the first hydraulic cylinders (8) at the front and rear positions are respectively and vertically hinged and fixedly connected with the inner surface of a plate body of a vertically arranged first plane template (13); the outer execution ends of the piston rod bodies of the first hydraulic cylinders (8) at the left and right positions are respectively and vertically hinged and fixedly connected with the inner surface of a plate body of a vertically arranged second planar template (14); the outer side execution ends of the piston rod bodies of the second hydraulic cylinders (9) are respectively and fixedly hinged with the inner surface of a plate body of a vertically arranged right-angle template (12); the two front and rear first plane templates (13), the two left and right second plane templates (14) and the four right angle templates (12) are clamped and matched through L-shaped notches to form the rectangular well template.
2. The lift support elevator shaft template arrangement of claim 1, wherein: round platform through-hole (142) are opened respectively to second planar template (14) plate body inside wall about two, and the barrel body (18) is installed through fastening screw in above-mentioned round platform through-hole (142), and outside second planar template (14) plate body was stretched out in barrel body (18), and before pouring, the fastening installation in advance of barrel body (18), and after the pouring, barrel body (18) are followed the dismantlement of second planar template (14) plate body, and barrel body (18) and location support component (4) coaxial positioning matching that the solidification was left in cement after the dismantlement correspond the adaptation grafting.
3. The lift support elevator shaft template arrangement of claim 1, wherein: the positioning support assembly (4) consists of a guide cylinder (401), a cylinder (402) in sliding fit with the inner wall of the guide cylinder (401), and a third hydraulic cylinder (403) for pushing the cylinder (402) to horizontally and transversely stretch and displace; wherein the cylinder body shells of the guide cylinder (401) and the third hydraulic cylinder (403) are fixedly connected with the rectangular bottom plate (3) respectively; the piston rod of the third hydraulic cylinder (403) is hinged and fixedly connected with the inner side end of the cylinder (402), the cylinder (402) is wholly pushed by the piston rod of the third hydraulic cylinder (403) to horizontally stretch and displace towards the outside of the plate body of the rectangular bottom plate (3), and the outer side end rod body of the cylinder (402) is used for being matched with the inserting barrel body (18).
4. The lift support elevator shaft template arrangement of claim 1, wherein: a first L-shaped notch (121) is formed in the inner side faces of the vertical plate bodies on the two sides of the right-angle template (12), and a second L-shaped notch (131) which is matched with the first L-shaped notch (121) in a clamping manner is formed in the outer side faces of the vertical plate bodies on the two ends of the first plane template (13); and the outer side surfaces of the vertical plate bodies at the two ends of the second plane template (14) are provided with third L-shaped notches (141) which are in clamping fit with the first L-shaped notches (121).
5. The lift support elevator shaft template arrangement of claim 1, wherein: one side surface of the rectangular cylinder (5) is provided with a door opening (501); a ladder stand is arranged in the rectangular cylinder (5); the other side surface of the rectangular cylinder (5) is provided with a through hole (502) for an oil pipeline; round through holes (601) are formed in the plate body of the rectangular platform plate (6) fixedly connected with the rectangular cylinder (5), and the round through holes (601) are communicated with the rectangular cylinder (5) and the elevator shaft template assembly (2).
6. The construction method of the hoisting support type elevator shaft formwork device according to any one of claims 1 to 5, characterized by comprising the steps of:
step a, building an in-well template: the control box controls the second hydraulic cylinder (9) to push the four right-angle templates (12) to extend out of place; the left and right first hydraulic cylinders (8) are controlled by the control box to push the left and right second flat templates (14) to extend the templates in place; fastening screws are used at the positions of the circular truncated cone through holes (142) of the second flat template (14) which is pushed to the right position, and a barrel body (18) extending out of the plate body of the second flat template (14) is fastened and installed on the inner side of the second flat template (14); the control box controls the first hydraulic cylinder (8) to push the front and rear first plane templates (13) to extend the templates in place; the front and rear first plane templates (13) and the left and right second plane templates (14) are respectively clamped on the right-angle template (12) to form a complete rectangular well template building; connecting the built well template and the well template through a screw rod to be poured;
step b, pouring the inner formwork and the outer formwork: pouring concrete between the built well inner formwork and the well outer formwork in the step a);
step c, demoulding the template in the well: after the concrete poured in the step b) is cured by 70%, disassembling a screw rod which is connected with the inner template and the outer template in advance; lightly knocking a right-angle template (12), a first plane template (13) and a second plane template (14) which form the template in the well to separate the template in the well from a newly poured and initially cured concrete well body; the fastening screws of the barrel body (18) pre-installed on the second planar template (14) are unscrewed, the first hydraulic cylinder (8) is controlled by the control box to retract to the right and left second planar templates (14) to be demolded, the second planar plate (14) is separated from the barrel body (18), and the barrel body (18) is left in the newly poured and cured concrete well body; the control box controls the first hydraulic cylinder (8) to retract to the proper position so as to remove the front and rear first plane templates (13); the second hydraulic cylinder (9) is controlled to retract to the right-angle template (12) through control so as to demold the template;
d, lifting the template in the well: after the step c) is finished, retracting and contracting the positioning and supporting assembly (4), hooking the lifting hook (17) by a tower crane to lift the elevator shaft template assembly (2) and the bottom supporting and starting device (1); when the positioning support assembly (4) on the outer side of the bottom support starting device (1) is lifted and reaches the step (c), the cylinder body (18) which is newly poured and is left in the concrete well body is solidified, and then the lifting is stopped; the positioning support component (4) extends out in an extending way and is inserted into the barrel body (18) in a positioning and matching way; the bottom support starting device (1) and the elevator shaft template component (2) are fixedly positioned, supported and fixed in the elevator shaft through the positioning and supporting component (4), and lifting and supporting of the template in the elevator shaft are completed;
and e, repeating and circulating according to the sequence of the steps a, b, c and d and taking the sequence as a period to complete the construction and pouring of the template in the elevator shaft from bottom to top.
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| CN110700572B (en) * | 2019-10-23 | 2021-09-21 | 上海建工集团股份有限公司 | Height-adjustable supporting base and using method thereof |
| CN111706071B (en) * | 2020-06-30 | 2022-03-22 | 重庆广播电视大学重庆工商职业学院 | Self-elevating formwork for elevator shaft of building and construction method |
| CN111648598B (en) * | 2020-08-10 | 2020-11-03 | 上海建工一建集团有限公司 | Climbing formwork device and construction method thereof |
| CN112593696B (en) * | 2021-03-02 | 2021-05-14 | 上海建工集团股份有限公司 | Lateral supporting device of integral steel platform and using method |
| CN113006470A (en) * | 2021-03-12 | 2021-06-22 | 胡华 | Lifting and collecting type elevator shaft inner mold system |
| CN113622660B (en) * | 2021-08-17 | 2022-09-23 | 中国水利水电第三工程局有限公司 | Integral hoisting type formwork structure for vertical hole and concrete construction method |
| CN114059758A (en) * | 2021-11-10 | 2022-02-18 | 中铁八局集团建筑工程有限公司 | Assembled double-layer integral elevator shaft platform |
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| SU684113A1 (en) * | 1977-06-01 | 1979-09-05 | Государственный Проектный И Научно-Исследовательский Институт Промышленного Строительства "Донецкий Промстройниипроект" | Movable form |
| US4974700A (en) * | 1989-06-12 | 1990-12-04 | Gates & Sons, Inc. | Movable support mechanism for construction of elevator shafts and the like |
| KR200418042Y1 (en) * | 2006-03-16 | 2006-06-07 | 주식회사 신영 | Mold apparatus for Elevator shaft of a building |
| CN201133078Y (en) * | 2007-12-03 | 2008-10-15 | 江苏南通六建建设集团有限公司 | Electric hoisting barrel type formwork |
| CN201416267Y (en) * | 2009-06-19 | 2010-03-03 | 武汉一冶建筑安装工程有限责任公司 | Self-tension bracing drum formwork for construction of elevator shaft in high-rise building |
| CN102704676A (en) * | 2012-05-30 | 2012-10-03 | 徐州徐液液压科技有限公司 | Jacking formwork mechanism |
| CN202706501U (en) * | 2012-07-16 | 2013-01-30 | 钱朝香 | Elevator shaft operating platform |
| CN103806644B (en) * | 2012-11-06 | 2016-02-03 | 中国五冶集团有限公司 | For electrical lift shaft form hydraulic telescopic device and operation method thereof |
| KR101723947B1 (en) * | 2015-09-23 | 2017-04-06 | 주식회사 에스지이엔지 | Lifting safety cage for the core of building materials |
| CN206503362U (en) * | 2017-02-18 | 2017-09-19 | 云南春鹰模板制造有限公司 | Elevator automatic demoulding formula hydraulic self-lifting template |
| CN208137422U (en) * | 2018-04-24 | 2018-11-23 | 重庆科技学院 | Integral lifting hoistway formwork support system |
| CN208650505U (en) * | 2018-07-03 | 2019-03-26 | 中国建筑第八工程局有限公司 | The integrated template type attachment device of lifting platform |
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