CN2295724Y

CN2295724Y - Telescopic formwork with rigid angles for elevator shaft

Info

Publication number: CN2295724Y
Application number: CN 96244525
Authority: CN
Inventors: 刘国恩
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-09
Filing date: 1996-12-09
Publication date: 1998-10-28
Anticipated expiration: 2006-12-09

Abstract

The utility model relates to a telescopic mould frame with rigid angles for an elevator shaft, which belongs to the field of building mould plates, and the telescopic mould frame comprises a general tailgating platform (1). The utility model is characterized in that a rigid angle film (3) is simultaneously provided with bidirectional sliding levers (12) which are mutually vertical, positioning sliding grooves and limited devices of the sliding levers (12) are arranged on a wall body mould plate (2), and a center pipe (17) of a central telescopic mechanism is rotated to drive a center shaft (20) to rotate. Adjusting nuts (22) generate vertical displacement, thereby, the mould frame is limited in a telescopic mode through the combined action of corresponding link rod mechanisms. The utility model has the advantages of easy and free operation, simple structure, easy manufacture and low cost, makes four angles simultaneously changed in uniform speed and ensures the accurate support of the mould frame.

Description

A kind of telescopic rigid angle elevator well formwork

The utility model belongs to the building template field, relates to a kind of telescopic rigid angle elevator well formwork.

In the prior art, telescopic elevator well formwork has two classes substantially, and a class is to have centralized control telescoping mechanism band hinge angie type (seeing Chinese patent 94248262.X), and another kind of is split operation band rigidity angie type; The former lacks limit and is: hinge angle intensity is low, and cement is infiltrated in its rotating shaft easily in the construction, and rotates difficulty, and easy break-down, and centralized control telescoping mechanism complexity need mechanical brute force to carry out during operation, and it is all inconvenient that processing is manufactured and used; The latter then because of the flexible split operation in each angle, by experience control, error therefore occurs easily, and complicated heavy, not easy to operate, is difficult to promote.

The purpose of this utility model is to provide a kind of telescopic rigid angle elevator well formwork, is exclusively used in skyscraper lift well wall construction, after once supporting, can promote use continuously, the centralized control telescoping mechanism, single one hand can be operated, and is freely light, four jiaos of simultaneously and even constant velocityization, guarantee mould bases right angle pros, support accurate, and simple in structure, easily manufacture, cost is low.

Concrete scheme is as follows:

Comprise: tailgate platform 1 has the return pulley guide rail of climbing head and base small sheave and wall form 2; Wall form 2 has return pulley and horizontal fixed girder steel, two to four; Mechanism is torn at flexible of rigidity cornea 3 and center open; Its special sheet is:

(A) wall form 2, four, every has 7, two to four on horizontal slideway girder steel, respectively at same level attitude, corresponding in groups mutually, last and under two groups, every slideway girder steel 7 by two-end part, be welded with one to three chute frame 6 at interval, with body of wall lamina membranacea 2 solder togethers, common composition is slided the chute of thick stick 12 slip usefulness simultaneously; On each chute frame 6 lateral surface bolt hole is arranged, binding bolt 4 is screwed in wherein; Other has locating plate 15, and every wall form 2 has two, and is contour with wall form 2, and the outerplanar weldering of being close to its vertical edges thereon, exposes certain width on demand;

(B) the rigidity cornea is 3, four groups, and is contour with wall form 2, has outer right angle and two isometric square edges, and two square edges all have flanging in the right angle, and the flanging width equates with wall form 2 vertical connection side width; Caging bolt 10 is arranged on the flanging, and vertical fixing thereon, and is uniform with a determining deviation from the top down, and the other end of caging bolt 10 is equipped with supporting nut after being inserted through the connecting bore of wall form 2 vertical connection sides; Sliding thick stick 12, every group of rigidity cornea 3 has upper and lower two groups, and every group of two that the shape that meets at right angles is arranged are in same level attitude, and corner angle staff common and rigidity cornea 3 is vertical configuration and is welded on its square edge, during normal the use, just be positioned at the chute that slipway beam 7 and chute frame 6 and wall form 2 are formed; Chute cover plate 11 is positioned on the sliding thick stick 12, and parallel correspondence is at regular intervals mutually, is welded on the square edge of rigidity cornea 3, when normally using, just is positioned on the top outerplanar of chute frame 6; Positioning plate 5, dismoutability are fixed on the lateral surface of every sliding thick stick 12, are positioned at the side by wall form 2 vertical center lines of chute frame 6; Gusset 14, on the square edge of rigidity cornea 3, uniform at a certain distance;

(C) mechanism is torn at flexible of center open, is positioned at the mould bases centre, has base pipe 17, and two ends are welded with flange, and is connected with the flange dismoutability that connects dish 31, and its middle part is fixed with handle 16; 20, two of center shafts, upper and lower each one, control upper and lower layer link mechanism respectively, four groups every layer, symmetry is corresponding to four wall forms 2 respectively; Center shaft 20, it is shaft-like that top is bolt, and supporting setting nut 22 is arranged, and its underpart is with coupling bush 21, and the axle two ends is square, and can insert in the center square hole that connects dish 31, is interconnected as one; Uniform 24 4 of the upper fin plates that are fixed with of symmetry are connected with four groups of boxed rod 8 hinges by this plate on setting nut 22 peripheries; Coupling bush 21 and center shaft 20 cliding frictions, by snap ring 25, packing ring 26, upward pressure bearing 27,

packing ring

28,29, downforce bearing 33, packing ring 30, locknut 32 are positioned on the center shaft 20, the uniform underwing plate 23 that is fixed with of symmetry on its periphery, four, be connected with four groups of lower link 9 hinges by this plate; Boxed rod 8 is corresponding with lower link 9 groupings, is connected with contiguous block 19 hinges; 18 4 groups of main connecting rods, an end are welded on the contiguous block 19, and the other end is welded on the adapter plate 13; Adapter plate 13 balanced, symmetrical formulas are captiveed joint with slideway girder steel 7 dismoutabilities; Connect dish 31, one ends and have flange, be connected with two end flanges dismoutabilities of base pipe 13, outwards there is a projection in its flange center, and a center square hole is arranged on it, and is supporting with the square end head of center shaft 20.

Usefulness of the present utility model is: overcome defective of the prior art, can not be out of order because of cement in the construction oozes to spatter, the vertical shaft mould bases flexible one man operation get final product, freely light, four jiaos of simultaneously even constant velocityization, guarantee mould bases right angle pros, support accurate, simple in structure, easy making, cost is low.

Accompanying drawing 1. front views; Accompanying drawing 2, birds-eye view (four angle braces are opened state);

3. jiaos of contraction state scheme drawings of accompanying drawing;

Accompanying drawing 4. amplifies I, rigidity corner structure;

Accompanying drawing 5. amplifies II, center shaft 20 structures;

Accompanying drawing 6. amplifies III, pull bar connecting joint;

Embodiment: in conjunction with the accompanying drawings, further describe dimensional units: millimeter.

With the square sectional length of side 2400 elevator well formworks is example:

Adopt the band of planning standard to climb head and wall form 2 return pulley guide rail tailgate platforms 1.

Wall form 2, high by 3000, two of return pulleys are respectively arranged, plate body level is welded with 7 two on slideway girder steel, form with No. 50 channel-section steels, last root distance top margin 400, following root distance base 550, every by two-end part, 120 be welded with two chute frames 6 at interval, vertical edges with wall form 2 of keeping to the side is concordant, forms square chute, and is supporting with the sliding thick stick 12 of square; On each chute frame 6 lateral surface one of M16 bolt hole is arranged, supporting bolt is screwed in wherein; Locating plate 15, wide by 80, high by 3000, thick 3, with wall form tower weldering 20, expose 80;

3, four groups of rigidity corneas, high by 3000, straight flange is long by 170, invagination hem width 64; Caging bolt 10, spacing 500, specification M12, long 40; Gusset 14, thick 4, spacing 500; Sliding thick stick 12 is effectively long by 200, and the cross section is square, and is supporting with chute; Chute cover plate 11, effectively long by 200, parallel corresponding with sliding thick stick 12, spacing 10 is arranged mutually, width is slightly larger than the last plane width of chute frame 6; Positioning plate 5 is fixed on the lateral surface of sliding thick stick 12 with bolt, female roof pressing type dismoutability, between two chute frames 6;

Mechanism is torn at flexible of center open: base pipe 17, and Φ 57, connect length behind the terminal port flange, equal upper and lower center shaft 20 and associated linkages mechanism installation in position, and connect the clear distance that coils after 31; Center shaft 20, top are divided into the bolt shank of M39 * 4, supporting nut 22, external diameter Φ 70; The coupling bush 21 of bottom, external diameter Φ 70, internal diameter Φ 35, upper and lower pressure bearing 27 and 33 is 8207 types, center shaft 20 two ends square-sections 24 * 24; 24, four of upper fin plates, uniform being welded on setting nut 22 peripheries of symmetry; 23, four of underwing plates are on the uniform periphery that is welded in coupling bush 21 of symmetry; Boxed rod 8, it is board-like that lower link 9 is double fastener, by bearing pin respectively with upper and lower wing plate 24 with 23 and contiguous block 19 hinges be in the same place; Master link 18 is " eight " font, and an end is welded on the contiguous block 19 jointly, and two ends are welded in respectively on two adapter plates 13 in addition, and adapter plate 13 is guaranteeing that parallel symmetrical expression is captiveed joint with same slideway girder steel 7 dismoutabilities under main connecting rod 18 " eight " the word horizontalitys.

Principle of work:

Mould bases supports: after tailgate platform 1 is in place, tearing the vertical shaft mould bases of assembled formation open mechanism together with flexible of center hangs thereon, clickwise handle 16, in the drive, following center shaft 20 rotates, coupling bush 21 and center shaft 20 cliding frictions, original position is motionless, and setting nut 22 descends along center shaft 20, drive boxed rod 8 and descend, thereby dwindle and lower link 9 between angle, and then promote contiguous block 19 and promote wall form 2 outwards to move by main connecting rod 18, meanwhile each wall form 2 promotes sliding thick stick 12, and then promotes each rigid angle mold 3 by chute frame 6, constant speed is subjected to displacement in two horizontal vertical orientation simultaneously, till the distance that caging bolt 10 and positioning plate 5 are limited, after supporting to place, binding bolt 4 tightened prop up sliding thick stick 12, in case displacement finishes to this support.Locating plate 15 both can guarantee that rigidity cornea 3 right angle outerplanars and wall form 2 outerplanars were straight, the slideway effect of having held concurrently again, and prevent that concrete from bleeding in the mould bases.

Mould bases shrinks and promotes: after concrete has watered and reached certain intensity, remove screw rod through walls (being connected and fixed usefulness) with the body of wall exterior sheathing, and unclamp binding bolt 4, left-hand revolution handle 16, then increase the angle of boxed rod 8 and following bar 9, thereby inwardly spur main connecting rod 18, drive wall form 2 and rigidity cornea 3 and inwardly shrink, break away from concrete wall, mould bases can wholely promote together with tailgate platform 1.

Claims

1. a telescopic rigid angle elevator well formwork comprises tailgate platform (1), has the return pulley guide rail of climbing head and base small sheave and wall form (2); Wall form (2) has return pulley and horizontal fixed girder steel, two to four; Mechanism is torn at flexible of rigid angle mold 3 and center open; It is characterized in that:

(A) wall form (2), four, every has horizontal slideway girder steel (7), two to four, respectively at same level attitude, corresponding in groups mutually, last and under two groups, every slideway girder steel (7) by two-end part, be welded with one to three chute frame (6) at interval, simultaneously with body of wall lamina membranacea (2) solder together, the common chute of forming sliding thick stick (12) slip usefulness, on each chute frame (6) lateral surface bolt hole is arranged, binding bolt (4) is screwed in wherein; Other has locating plate (15), and every wall form (2) has two, and is contour with wall form (2), and the outerplanar weldering of being close to its vertical edges thereon, exposes certain width on demand;

(B) rigidity cornea (3), four groups, contour with wall form (2), have outer right angle and two isometric square edges, two square edges all have flanging in the right angle, and the flanging width equates with the vertical connection side width of wall form (2); Caging bolt (10) is arranged on the flanging, and vertical fixing thereon, and is uniform with a determining deviation from the top down, and the other end of caging bolt (10) is equipped with supporting nut after being inserted through the connecting bore of the vertical connection side of wall form (2); Sliding thick stick (12), every group of rigidity cornea (3) has upper and lower two groups, every group of two that the shape that meets at right angles is arranged are in same level attitude, corner angle staff common and rigidity cornea (3) is vertical configuration and is welded on its square edge, during normal the use, just be positioned at the chute that slipway beam (7) and chute frame (6) and wall form (2) are formed; Chute cover plate (11) is positioned on the sliding thick stick (12), and parallel correspondence is at regular intervals mutually, is welded on the square edge of rigidity cornea (3), when normally using, just is positioned on the top outerplanar of chute frame (6); Positioning plate (5), dismoutability are fixed on the lateral surface of every sliding thick stick (12), are positioned at the side by wall form (2) vertical center line of chute frame (6); Gusset (14), on the square edge of rigidity cornea (3), uniform at a certain distance;

(C) mechanism is torn at flexible of center open, is positioned at the mould bases centre, has base pipe (17), and two ends are welded with flange, and are connected with the flange dismoutability that connects dish (31), and its middle part is fixed with handle (16); Center shaft (20), two, upper and lower each one, control upper and lower layer link mechanism respectively, four groups every layer, symmetry is corresponding to four wall forms (2) respectively; Center shaft (20), it is shaft-like that top is bolt, and supporting setting nut (22) is arranged, and its underpart is with coupling bush (21), and the axle two ends is square, and can insert in the center square hole that connects dish (31), is interconnected as one; Uniform (24) four of the upper fin plates that are fixed with of symmetry are connected with four groups of boxed rods (8) hinge by this plate on setting nut (22) periphery; Coupling bush (21) and center shaft (20) cliding friction, by snap ring (25), packing ring (26), upward pressure bearing (27), packing ring (28), (29), downforce bearing (33), packing ring (30), locknut (32) are positioned on the center shaft (20), the uniform underwing plate (23) that is fixed with of symmetry on its periphery, four, be connected with four groups of lower links (9) hinge by this plate; Boxed rod (8) is corresponding with lower link (9) grouping, is connected with contiguous block (19) hinge; (18) four groups of main connecting rods, an end are welded on the contiguous block (19), and the other end is welded on the adapter plate (13); Adapter plate (13) balanced, symmetrical formula is captiveed joint with slideway girder steel (7) dismoutability; Connect dish (31), an end has flange, is connected with two end flanges dismoutabilities of base pipe (13), and outwards there is a projection in its flange center, and a center square hole is arranged on it, and is supporting with the square end head of center shaft (20).

2. according to the described a kind of telescopic rigidity angle elevator well formwork of claim 1, it is characterized in that: boxed rod (8), that lower link (9) is double fastener is board-like, by bearing pin and upper and lower wing plate (24) and (23) and contiguous block (19) hinge together; Main connecting rod (18) is " eight " font, one end is welded on the contiguous block (19) jointly, two ends are welded in respectively on two adapter plates (13) in addition, and adapter plate (13) is guaranteeing that parallel symmetrical expression is captiveed joint with same slideway girder steel (7) dismoutability under main connecting rod (18) " eight " the word horizontality.