CN105064678A - Formwork folding and unfolding mechanism, interior cylinder formwork and elevator shaft formwork device - Google Patents
Formwork folding and unfolding mechanism, interior cylinder formwork and elevator shaft formwork device Download PDFInfo
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- CN105064678A CN105064678A CN201510555915.3A CN201510555915A CN105064678A CN 105064678 A CN105064678 A CN 105064678A CN 201510555915 A CN201510555915 A CN 201510555915A CN 105064678 A CN105064678 A CN 105064678A
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Abstract
A formwork folding and unfolding mechanism comprises connection assemblies and pull rods, wherein the connection assemblies and the pull rods are matched with inner formworks. One end of each pull rod is movably connected to the corresponding connection assembly, and the other end of each pull rod is connected to the rotating joint of two edge formworks in a hinged mode. The pull rods stretch out and draw back in the axis direction of the connection assemblies under the action of external force. The two edge formworks stretch outwards or draw back inwards in the direction close to or away from the connection assemblies under the action of the pull rods. An interior cylinder formwork of an elevator shaft formwork device is internally provided with the formwork folding and unfolding mechanism, in the elevator shaft casting process, the whole interior cylinder formwork can stretch outwards or draw back inwards in four directions at the same time by directly rotating operation rods, and the steps of formwork folding and formwork detaching are completed easily in the construction process. The whole device is simple in structure and convenient and easy to operate, labor is saved, and construction efficiency is greatly improved. The invention further provides the interior cylinder formwork with the formwork folding and unfolding mechanism and the elevator shaft formwork device.
Description
Technical field
The invention belongs to highrise building mould, particularly a kind of for elevator shaft mix earth cast time revenue and expenditure mold mechanism, inner core mould and Lift well mould panel assembly.
Background technology
In building operations, need the place of reserving hole at elevator shaft etc., usually can set up the inner formword of tubular so that concrete casting injection forming.But because construction space is less, the inner formword of Lift well mould/tubular installs or removes all more complicated.
In the construction of traditional electrical stair shaft, what have is also using traditional construction techniques, namely adopts wooden template when building elevator shaft, and it is die-filling quite numerous and diverse with work progress that is form removal, and labour intensity is large, inefficiency; Also have part to adopt the hoistway formwork system of monolithic revenue and expenditure mould in addition, as adopted hinge type, hydraulic piston type etc., but the comparison of its system is complicated, operates not very convenient.
Summary of the invention
Based on this, be necessary the revenue and expenditure mold mechanism for construction of lift well providing a kind of structure simple and easy to operate.
There is a need to provide a kind of inner core mould with this revenue and expenditure mold mechanism.
In addition, a kind of Lift well mould panel assembly with this inner core mould is also provided.
A kind of revenue and expenditure mold mechanism, it is arranged on inner core mould, and described inner core mould comprises at least one group of inner formword, and often organize described inner formword and comprise two blocks of cheek boards, two blocks of described cheek boards connect rotationally; Described revenue and expenditure mold mechanism comprises and often organizes the coupling assembling and pull bar that described inner formword coordinates, and one end of described pull bar is movably connected on described coupling assembling, and the other end of described pull bar is articulated with the place that is rotatably connected of two blocks of described cheek boards; Described pull bar stretches back and forth along the axis direction of described coupling assembling under external force, and two blocks of described cheek boards outwards open to close or away from described coupling assembling direction or inwardly shrink under the effect of described pull bar.
Wherein in an embodiment, often organize described inner formword and comprise the first tumbler, two blocks of described cheek boards are rotationally connected with the relative both sides of described first tumbler respectively.
Wherein in an embodiment, described revenue and expenditure template mechanism also comprises fixed bar, one end of described coupling assembling is fixed on described fixed bar, the other end of described coupling assembling is connected with the threaded one end of described pull bar, and described pull bar is connected with described first tumbler away from the other end of described coupling assembling.
Wherein in an embodiment, described coupling assembling comprises connecting axle and action bars, and described connecting axle is fixedly connected on described fixed bar; One end of described action bars is rotationally connected with on described connecting axle vertically, and the other end is connected with described pull rod screw.
Wherein in an embodiment, described coupling assembling comprises locating part and back-up ring, and one end of described locating part is fixed on described action bars, and the other end turning set of described locating part is located at outside described connecting axle; Described shield ring sleeve is located on described connecting axle, and is held between described locating part and described action bars.
Wherein in an embodiment, described pull bar comprises bar portion, pulling department and hinge connector, and the one end in described bar portion is bolted in described action bars, and one end of described pulling department is fixedly connected on the other end of described bar portion away from described action bars; It is outer and be fixedly connected with the other end of described pulling department away from described action bars that described hinge connector is wrapped in described first tumbler.
Wherein in an embodiment, described pull bar comprises installing plate, described installing plate is extended to form along being parallel to described fixed bar direction away from the end of described action bars by described bar portion, described pulling department is that it is multiple to be arranged at intervals on described installing plate along the direction being parallel to described first tumbler, and multiple described pulling department and described first tumbler carry out Mulit-point Connection.
A kind of inner core mould, comprises at least one group of inner formword and above-mentioned revenue and expenditure mold mechanism, often organizes on described inner formword and be provided with described revenue and expenditure mold mechanism.
Wherein in an embodiment, described inner formword is four groups that are interconnected to square cylindrical shell, often organize described inner formword and comprise two blocks of cheek boards, two pieces of Angle formworks, the first tumbler and second tumblers, two blocks of described cheek boards are rotationally connected with the both sides of described first tumbler, two pieces of described Angle formworks are connected to the side of two blocks of described cheek boards, and in inner formword described in two adjacent groups, adjacent two pieces of described Angle formworks are rotationally connected by described second tumbler; Described revenue and expenditure mold mechanism to be arranged in described cylindrical shell and to comprise four coupling assemblings and four pull bars that coordinate with inner formword described in four groups respectively.
Wherein in an embodiment, when described revenue and expenditure template mechanism comprises fixed bar, four described coupling assemblings are individually fixed on described fixed bar away from one end of four described pull bars.
Wherein in an embodiment, often organize described inner formword and comprise flat board, described flat board to be removably connected to described in cheek board described in every block and every block between Angle formwork respectively.
A kind of Lift well mould panel assembly comprises exterior sheathing and above-mentioned inner core mould, and it is outer and fixed by Screw arbor with nut at both-ends with described inner core mould that described exterior sheathing is located in described inner core mould, and described exterior sheathing and described inner core mould form pouring concrete space therebetween.
Revenue and expenditure mold mechanism is provided with in the inner core mould of Lift well mould panel assembly of the present invention; carrying out in elevator shaft casting process; directly just can realize whole inner core mould by rotating operation bar outwards open from four sides or inwardly shrink simultaneously, easily complete the formwork in work progress and step of removal.Whole apparatus structure is simple, easy to operate and simply laborsaving, greatly improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of Lift well mould panel assembly in present pre-ferred embodiments;
Fig. 2 is the state diagram of the panel assembly first of Lift well mould shown in Fig. 1;
Fig. 3 is the structural representation of telescoping mechanism in the panel assembly of Lift well mould shown in Fig. 1;
Fig. 4 is for telescoping mechanism shown in Fig. 3 is along the sectional view in A-A direction;
Fig. 5 is the state diagram of the panel assembly second of Lift well mould shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Please refer to Fig. 1, Lift well mould panel assembly 100 in a preferred embodiment in the present invention, it comprises exterior sheathing (not shown) and inner core mould 10.Wherein, to be located in inner core mould 10 outer and fixed by Screw arbor with nut at both-ends (not shown) with inner core mould 10 for exterior sheathing.Exterior sheathing and inner core mould 10 form concreting space therebetween, and after casting complete, concrete will solidify the hoistway wall (not shown) needed for formation.Wherein, inner core mould 10 comprises at least one group of inner formword 11 and revenue and expenditure mold mechanism 15.Revenue and expenditure mold mechanism 15 is arranged in inner core mould 10, overall for outwards pushing inner core mould 10 when formwork open, makes it coordinate the shape forming hoistway wall with exterior sheathing; And inwardly draw inner core mould 10 over to one's side when form removal overall, it is made to be separated to facilitate with hoistway wall and to hang out outside elevator shaft.
Often organize inner formword 11 and comprise two blocks of cheek boards 110 and the first tumbler 114.Two blocks of cheek boards 110 are rotationally connected with the relative both sides of the first tumbler 114 respectively.Particularly, often organize inner formword 11 and also comprise two pieces of Angle formworks 112 and the second tumbler 116.Two pieces of Angle formworks 112 are connected to the side of two blocks of cheek boards 110, and in two adjacent groups inner formword 11, adjacent two pieces of Angle formworks 112 are rotationally connected by the second tumbler 116.
In this specific embodiment, inner core mould 10 comprises four groups of inner formwords 11.Four groups of inner formwords 11 are interconnected to form quadrangle elevator shaft inner core cylindrical shell 13.Wherein, adjacent two pieces of Angle formworks 112 by the hinged rectangular shape of the second tumbler 116, and lay respectively at four edges of quadrangle inner core mould 10.Understandably, in some other embodiment, often organize in inner formword 11 and omit Angle formwork 112, and the bight of inner core mould 10 is directly extended to by two blocks of cheek boards 110, and adjacent two blocks of cheek boards 110 also can in cylindrical shell 13 by the second tumbler 116 connection in two adjacent groups inner formword 11, only need to be interconnected to form inner core mould 10 shape with elevator shaft form fit between each template in four groups of inner formwords 11, in this no limit.Meanwhile, the shape of the cylindrical shell 13 that inner core mould 10 entirety is spliced to form can be determined according to the shape of the elevator shaft of required perfusion, and the quantity often organizing cheek board 110 in inner formword 11 can be arranged according to actual needs, in this no limit.
Further, often organize inner formword 11 and also can comprise dull and stereotyped 118.Dull and stereotyped 118 are removably connected to and often organize in inner formword 11 between every block cheek board 110 and every block Angle formwork 112, thus make inner core mould 10 can carry out combining or splitting according to the needs of different elevator shaft inner core mould size, practical and improve the versatility of elevator shaft inner formword 11.
Please in the lump referring to Fig. 1 and Fig. 2, revenue and expenditure mold mechanism 15 is arranged in cylindrical shell 13, and it comprises and often organizes the coupling assembling 150 and pull bar 152 that inner formword 11 coordinates.One end of pull bar 152 is movably connected on coupling assembling 150, and the other end of pull bar 152 is articulated with the place that is rotatably connected of two blocks of cheek boards 110.Pull bar 152 stretches back and forth along the axis direction of coupling assembling 150 under external force, and two blocks of cheek boards 110 outwards open to close or away from coupling assembling 150 direction or inwardly shrink under the effect of pull bar 152.
Particularly, revenue and expenditure mold mechanism 15 also comprises fixed bar 154.One end of coupling assembling 150 is fixed on fixed bar 154, and the other end of coupling assembling 150 is connected with the threaded one end of pull bar 152.Pull bar 152 is connected with the first tumbler 114 away from the other end of coupling assembling 150.Be appreciated that, in some other embodiment, pull bar 152 also can be articulated with the position of cheek board 110 near the first tumbler 114 away from the other end of coupling assembling 150, as long as namely pull bar 152 is articulated with being rotatably connected of two blocks of cheek boards 110 away from the other end of coupling assembling 150 and locates.
In this specific embodiment, fixed bar 154 is rectangle column substantially, and it is vertically arranged in the middle part of cylindrical shell 13, for fixing with external operation platform (not shown).Coupling assembling 150 be along fixed bar 154 surrounding arrange and with four groups of inner formwords 11 four groups one to one, pull bar 152 is also for being connected to four in four groups of coupling assemblings 150 and four groups of inner formwords 11 between four the first tumblers 114.Understandably, in some other embodiment, the quantity of coupling assembling 150 and pull bar 152 can be determined as required, in this no limit.Simultaneously; simplifying and being convenient to formwork and the synchronous lifting of receiving to whole inner core mould 10 in mold process in order to revenue and expenditure mold mechanism 15 structure; in the present invention, revenue and expenditure mold mechanism 15 arranges one for fixedly mounting the fixed bar 154 of four groups of coupling assemblings 150; understandably; in some other embodiment; many fixed bars 154 corresponding with one or more groups coupling assembling 150 also can be set, in this no limit.
Further, the top of fixed bar 154 is provided with hanger 1541, for facilitating the lifting of whole Lift well mould panel assembly 100.
Please refer to Fig. 3 and Fig. 4, coupling assembling 150 comprises connecting axle 1501 and action bars 1502.Connecting axle 1501 is fixedly connected on fixed bar 154, and one end of action bars 1502 is rotationally connected with on connecting axle 1501 vertically, and the other end is threaded with pull bar 152.
Particularly, one end that action bars 1502 is connected with pull bar 152 is provided with the adjusting portion 1512 of internal thread.Pull bar 152 is provided with the external screw thread with screw-internal thread fit in adjusting portion 1512.In this specific embodiment, adjusting portion 1512 is for being welded in the nut on action bars 1502, and pull bar 152 is the screw rod with nut screw connection.In some other embodiment, adjusting portion 1512 can or separable setting one-body molded with action bars 1502 as required, in this no limit.
Further, action bars 1502 is also provided with handle 1522, for convenient, action bars 1502 is exerted a force.
Further, coupling assembling 150 comprises locating part 1503 and back-up ring 1504.One end of locating part 1503 is fixed on action bars 1502, and other end turning set is located at outside fixed bar 154, together to rotate around connecting axle 1501 under external force with action bars 1502.
Particularly, locating part 1503 comprises outer spacing collar 1513 and interior spacing collar 1523.Outer shoulder hole 1533 is provided with in the middle part of outer spacing collar 1513.Middle part and outer shoulder hole 1533 correspondence position of interior spacing collar 1523 are provided with interior via hole 1543.
When mounted, outer spacing collar 1513 is located on connecting axle 1501 by outer shoulder hole 1533 turning set, interior spacing collar 1523 is fixedly connected on by interior via hole 1543 end that action bars 1502 is connected with connecting axle 1501, and both are fixedly connected with by the first fixture 1553.Now, reserved certain intervals between the inner hole wall of action bars 1502 and the upper outside shoulder hole 1533 of outer spacing collar 1513.When action bars 1502 drives outer spacing collar 1513 together to rotate relative to connecting axle 1501 with interior spacing collar 1523 under external force, outer spacing collar 1513 and interior spacing collar 1523 are for limiting the stroke of radial direction when action bars 1502 rotates relative to connecting axle 1501.
Back-up ring 1504 is sheathed on connecting axle 1501, and is held in the interval between outer spacing collar 1513 and action bars 1502, for limiting the stroke of axial direction when action bars 1502 rotates relative to connecting axle 1501.
Further, in order to reduce the friction between action bars 1502 and connecting axle 1501, coupling assembling 150 also comprises the bearing (not shown) be arranged between outer spacing collar 1513 and action bars 1502.Wherein, the inner ring of bearing is fixedly connected on connecting axle 1501, and action bars 1502 is connected with bearing outer ring, and can together rotate relative to inner ring with outer ring under external force.
Understandably, in some other embodiment, annexation in coupling assembling 150 between each parts can be determined as required, only need realize coupling assembling 150 can rotate relative to fixed bar 154, thus drive the function that pull bar 152 axially stretches back and forth along action bars 1502, in this no limit.Such as, outer spacing collar 1513 is fixedly connected on connecting axle 1501 with interior both spacing collars 1523, and the end turning set of action bars 1502 is located on connecting axle 1501 and is also arranged in the interior via hole 1543 of interior spacing collar 1523 rotationally; Or connecting axle 1501 and action bars 1502 are wholely set, and both are directly rotationally connected with on fixed bar 154 by connecting axle 1501 and also can.
Pull bar 152 comprises bar portion 1524, pulling department 1525 and hinge connector 1526.The one end in bar portion 1524 is bolted in the adjusting portion 1512 of action bars 1502.One end of pulling department 1525 is fixedly connected on the other end of bar portion 1524 away from action bars 1502, and it is outer and be fixedly connected with the other end of pulling department 1525 away from action bars 1502 that hinge connector 1526 is wrapped in the first tumbler 114.
Particularly, hinge connector 1526 is the opening-like U-shaped in one end, pulling department 1525 inserts in the opening of hinge connector 1526, and be fixedly connected with hinge connector 1526 by the second fixture 1527, with by pull hinge connector 1526 drive the first tumbler 114 near or move away from fixed bar 154 direction, thus the cheek board 110 making to be rotationally connected with the first tumbler 114 both sides inwardly shrinks around the first tumbler 114 or outwards opens.
Further, pull bar 152 also comprises installing plate 1528.Installing plate 1528 is extended to form along being parallel to fixed bar 154 direction away from the end of action bars 1502 by bar portion 1524.In this specific embodiment, pulling department 1525 is that it is multiple to be arranged at intervals on installing plate 1528 along the direction being parallel to the first tumbler 114, and multiple pulling department 1525 is connected to multiple positions of upper first tumbler 114 of corresponding one side in inner core mould 10, to realize each pull bar 152 and the Mulit-point Connection often organizing each first tumbler 114 in inner formword 11, thus better drive the movement of cheek board 110 in inner core mould 10 corresponding surface.
Please refer to Fig. 2, formwork detailed process is: whole Lift well mould panel assembly 100 is lifted into assigned address, clockwise (or counterclockwise) turn handle 1522, action bars 1502 is driven to rotate in (or counterclockwise) direction clockwise around connecting axle 1501, the bar portion 1524 be threaded with adjusting portion 1512 in pull bar 152 moves along action bars 1502 axis direction to away from fixed bar 154 direction, thus drive pulling department 1525 to hold out against the first tumbler 114 to away from fixed bar 154 direction, be articulated with two blocks of cheek boards 110 on this first tumbler 114 with the tie point of the first tumbler 114 for fulcrum outwards opens, and be articulated with simultaneously adjacent two pieces of Angle formworks 112 on the second tumbler 116 also with the tie point of the second tumbler 116 for fulcrum outwards opens.When whole inner core mould 10 outwards opens in quadrangle under the effect of revenue and expenditure mold mechanism 15, by Screw arbor with nut at both-ends, inner core mould 10 is connected with outboard template, and reserves certain concreting space between the two.
Please refer to Fig. 5, form removal detailed process is: can carry out form removal after hoistway wall concrete curing is shaping, hanger 1541 is hung on the suspension hook of tower crane, then in the opposite direction counterclockwise (or clockwise) turns handle 1522 and drives action bars 1502 counterclockwise around connecting axle 1501 to rotate and rotate relative to connecting axle 1501 in (or clockwise) direction, the bar portion 1524 be threaded with adjusting portion 1512 in pull bar 152 moves along action bars 1502 axis direction near fixed bar 154 direction, thus drive pulling department 1525 to the first tumbler 114 pulled near fixed bar 154 direction between two blocks of cheek boards 110, be articulated with two blocks of cheek boards 110 on this first tumbler 114 with the tie point of the first tumbler 114 for fulcrum is that pull bar 152 direction and the V-shape that angle diminishes gradually inwardly shrink opening dorsad, and be articulated with simultaneously adjacent two pieces of Angle formworks 112 on the second tumbler 116 also with the tie point of the second tumbler 116 for fulcrum be opening surface to pull bar 152 direction and the V-shape that angle diminishes gradually inwardly shrink.When whole inner core mould 10 inwardly shrinks and forms predetermined rapping space under the effect of revenue and expenditure mold mechanism 15, tower crane is adopted to be hung out by elevator shaft by whole hoistway formwork 100.
Revenue and expenditure mold mechanism 15 is provided with in the inner core mould 10 of Lift well mould panel assembly 100 of the present invention; carrying out in elevator shaft casting process; directly just can realize whole inner core mould 10 by rotating operation bar 1502 outwards open from four sides or inwardly shrink simultaneously, easily complete the formwork in work progress and step of removal.Whole apparatus structure is simple, easy to operate and simply laborsaving, greatly improves efficiency of construction.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (12)
1. a revenue and expenditure mold mechanism, it is arranged on inner core mould, and described inner core mould comprises at least one group of inner formword, it is characterized in that: often organize described inner formword and comprise two blocks of cheek boards, two blocks of described cheek boards connect rotationally; Described revenue and expenditure mold mechanism comprises and often organizes the coupling assembling and pull bar that described inner formword coordinates, and one end of described pull bar is movably connected on described coupling assembling, and the other end of described pull bar is articulated with the place that is rotatably connected of two blocks of described cheek boards; Described pull bar stretches back and forth along the axis direction of described coupling assembling under external force, and two blocks of described cheek boards outwards open to close or away from described coupling assembling direction or inwardly shrink under the effect of described pull bar.
2. revenue and expenditure mold mechanism as claimed in claim 1, it is characterized in that: often organize described inner formword and comprise the first tumbler, two blocks of described cheek boards are rotationally connected with the relative both sides of described first tumbler respectively.
3. revenue and expenditure mold mechanism as claimed in claim 2; it is characterized in that: described revenue and expenditure template mechanism also comprises fixed bar; one end of described coupling assembling is fixed on described fixed bar; the other end of described coupling assembling is connected with the threaded one end of described pull bar, and described pull bar is connected with described first tumbler away from the other end of described coupling assembling.
4. revenue and expenditure mold mechanism as claimed in claim 3, it is characterized in that: described coupling assembling comprises connecting axle and action bars, described connecting axle is fixedly connected on described fixed bar; One end of described action bars is rotationally connected with on described connecting axle vertically, and the other end is connected with described pull rod screw.
5. revenue and expenditure mold mechanism as claimed in claim 4, it is characterized in that: described coupling assembling comprises locating part and back-up ring, one end of described locating part is fixed on described action bars, and the other end turning set of described locating part is located at outside described connecting axle; Described shield ring sleeve is located on described connecting axle, and is held between described locating part and described action bars.
6. revenue and expenditure mold mechanism as claimed in claim 4, it is characterized in that: described pull bar comprises bar portion, pulling department and hinge connector, the one end in described bar portion is bolted in described action bars, and one end of described pulling department is fixedly connected on the other end of described bar portion away from described action bars; It is outer and be fixedly connected with the other end of described pulling department away from described action bars that described hinge connector is wrapped in described first tumbler.
7. revenue and expenditure mold mechanism as claimed in claim 6; it is characterized in that: described pull bar comprises installing plate; described installing plate is extended to form along being parallel to described fixed bar direction away from the end of described action bars by described bar portion; described pulling department is that it is multiple to be arranged at intervals on described installing plate along the direction being parallel to described first tumbler, and multiple described pulling department and described first tumbler carry out Mulit-point Connection.
8. an inner core mould, is characterized in that: comprise at least one group of inner formword and revenue and expenditure mold mechanism, often organizes the revenue and expenditure mold mechanism described inner formword is provided with in the claims 1-7 described in any one.
9. inner core mould as claimed in claim 8, it is characterized in that: described inner formword is four groups that are interconnected to square cylindrical shell, often organize described inner formword and comprise two blocks of cheek boards, two pieces of Angle formworks, the first tumbler and second tumblers, two blocks of described cheek boards are rotationally connected with the both sides of described first tumbler, two pieces of described Angle formworks are connected to the side of two blocks of described cheek boards, and in inner formword described in two adjacent groups, adjacent two pieces of described Angle formworks are rotationally connected by described second tumbler; Described revenue and expenditure mold mechanism to be arranged in described cylindrical shell and to comprise four coupling assemblings and four pull bars that coordinate with inner formword described in four groups respectively.
10. inner core mould as claimed in claim 9, is characterized in that: when described revenue and expenditure template mechanism comprises fixed bar, and four described coupling assemblings are individually fixed on described fixed bar away from one end of four described pull bars.
11. inner core moulds as claimed in claim 9, is characterized in that: often organize described inner formword and comprise flat board, and described flat board to be removably connected to described in cheek board described in every block and every block between Angle formwork respectively.
12. 1 kinds of Lift well mould panel assemblies, it is characterized in that: comprise exterior sheathing and the inner core mould described in claim 8-11 any one, it is outer and fixed by Screw arbor with nut at both-ends with described inner core mould that described exterior sheathing is located in described inner core mould, and described exterior sheathing and described inner core mould form pouring concrete space therebetween.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555915.3A CN105064678A (en) | 2015-09-01 | 2015-09-01 | Formwork folding and unfolding mechanism, interior cylinder formwork and elevator shaft formwork device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510555915.3A CN105064678A (en) | 2015-09-01 | 2015-09-01 | Formwork folding and unfolding mechanism, interior cylinder formwork and elevator shaft formwork device |
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Application publication date: 20151118 |