CN2238872Y

CN2238872Y - Extension electrical lift well die carrier

Info

Publication number: CN2238872Y
Application number: CN 94248262
Authority: CN
Inventors: 李永长
Original assignee: Component Factory China Building Engineering Bureau No1
Current assignee: Component Factory China Building Engineering Bureau No1
Priority date: 1994-12-27
Filing date: 1994-12-27
Publication date: 1996-10-30
Anticipated expiration: 2004-12-27

Abstract

The utility model relates to an extension electrical lift well die carrier, specially used for the wall construction of the lift well for high buildings, which is essentially composed of a bottom die-plate (1) with climbing heads, a wall die-plate (5), a hinge angle (27) with inward contracting function and an inverted umbrella shape extension demountable mechanism. When pressing the extension demountable mechanism down, the die is supported, and when lifting the extension demountable mechanism, the sliding bush (13) positioned on the central post (19) and the relevant mechanism are driven through a draw rod (14), and the entirety of the wall form is pulled to uniformly contract inward so that the release die is able to be demounted and lifted. The utility model is characterized in that it can support die once or can be continuously used for demounting and lifting, and successfully solves the demounting of the die-plate when the narrow well has no the operating area, with fast construction speed, good quality and economy and security.

Description

Telescopic elevator well formwork

Telescopic elevator well formwork belongs to the construction formwork category.

Traditional elevator vertical shaft template at every turn all at the scene directly by manually assembled, in the construction, also needs to be equipped with in addition scaffold, operating platform etc., and when increasing construction, or all dismounting again, or the low layer template is not torn open and again at high-rise decking.In view of highrise building lift well operating surface is narrow, template is propped up and is torn extremely inconvenience open, and not only speed is slow, and is many with material, and the template recycling rate of waterused is low, and quality is difficult for guaranteeing that unsafe factor is also more.

The utility model provides a kind of telescopic elevator well formwork, is exclusively used in highrise building lift well wall construction.Behind the formwork, can promote use continuously, tear open in the lifting process, only need a crane gear to cooperate, design size has big flexibility, field condition that can be scalable, successfully having solved narrow vertical shaft does not have template under the operating surface condition and props up and tear open, can do posture template, operating platform etc. simultaneously, speed of application is fast, quality is guaranteed, and economy, safety can be reused for a long time.

The concrete scheme of the utility model is as follows:

Fig. 1, general assembly drawing; Fig. 2, A-A analyse and observe; Fig. 3, lifting state diagram;

Fig. 4, soffit formwork plan view; Fig. 5, amplification I (supporting girder steel); Fig. 6, amplification II (hinge angle);

The utility model mainly consists of the following components: end template, wall form, telescopic are torn mechanism, hinge open The angle.

An end template 1: have four on it and climb 26 or claim that telescopic leg (reported patent: 90205507.0), carry by mould bases integral body When rising, can automatically stretch into the concrete hoistway wall and give in the hole that stays, keep the steady land of mould bases; Eight guide rails 2 are with body of wall Uniform eight guide wheels 3 of template 5 base faces are corresponding; Central authorities' seat board 24 is contained on the I-shaped girder, and its center has Cylindrical projection, newel 19 lower ends cover is the location thereon; Lower plate 23 quadruplets uniformly are fixed on central seat board 24 On, and corresponding bolt 40 chain connection with it; Four end template suspension hooks 4 are fixed on the load-bearing channel-section steel girder steel.

Wall form 5: eight guide wheels 3 are housed on it, are distributed on four side template base faces, corresponding with guide rail 2; Each one up and down on supporting girder steel 6, every side template lay respectively on two horizontal planes, be fixed together by junction plate 31 by two channel-section steels and form, and be fixed together by securing member 32 and wall form 5, the girder steel two ends have oval wedge hole at the channel-section steel end face, the use fixedly time the with the right angle fuse; Supporting girder steel 6 middle parts are corresponding with sliding sleeve 13, by securing member 30 base plate 7 are housed, and its lateral surface has clamping plate, and are connected with bolt 9 hinges by bearing pin 29; Suspension hook 8.

Tearing mechanism structure open for telescopic consists of: central post 19, but vertical base has upper and lower each one of sliding sleeve 13 on it on central seat board 24, under the spacing hole movable latch limits, and can upper and lower spacing slip along central post 19; The uniform quadruplet sliding sleeve of sliding sleeve 13 lateral surfaces clamping plate 12 are connected with bolt 11 hinges, also have 28 4 of fixed heads simultaneously, and in order to

steady brace

14, and 12 on sliding sleeve clamping plate are opened uniform; 10 8 on two-restriction nut, two ends are respectively positive and negative internal thread, with bolt 9 and 11 corresponding being threaded; Low sleeve 13 also has train wheel bridge 21 quadruplets, connects together with fixed head 28, is connected with bolt 39 hinges simultaneously; 22 4 on two-restriction nut, two ends are respectively positive and negative internal thread, with

bolt

39 and 40 corresponding being threaded; 14 4 on pull bar is fixed together with fixed head 28, and its upper end is fixed together with top board 17, and lower end and train wheel bridge 21 are fixed together; Suspension hook 16 is fixed on the top board 17, uses when promoting mould bases; 18 on jack uses during the watchman's clapper mould bases between central post 19 tops and top board 17.

Hinge angle 27, as shown in Figure 6, mould bases is respectively adorned a cover for four jiaos, form removal and when promoting mould bases can in contract, break away from the concrete wall, concrete structure is: 33 2 of side rotating shafts, do hinge-type with side plate 34 and mainboard 38 simultaneously and be rotatably connected; 34 2 of side plates are fixed by perpendicular firmware 36 and wall form 5 upright sides; On the installing plate 35 connecting hole is arranged, each one at every joint hinge two ends, dead with mainboard 38 vertical weldings, during lengthening hinge angle, 27 whole location, assurance hinge angle are used; 37 1 of main shafts, contour with wall form 5, do hinge-type with two mainboards 38 simultaneously and be rotatably connected; 38 2 of mainboards connect side rotating shaft 33 and main shaft 37, simultaneously lifting plate right angle effect.

Concrete vertical shaft body of wall 25 gives on it and leaves regular hole, when pouring into concrete, must give staying promoting the required hole in back at every turn, four jiaos each one, climbs 26 corresponding with on the soffit formwork 1 four; When promoting mould bases, climb 26 and can stretch into automatically in the hole, keep the steady land of mould bases.

Operating principle: first during support for shuttering, pour into earlier or puzzle and climb 26 a required hole, then that soffit formwork 1 is surely good, guarantee mould bases Zhi Haohou, during the perfusion concrete, can not run slurry from wall form 5 lateral surface lower limbs, then the vertical shaft mould bases of assembled formation is hung on soffit formwork 1 together with telescopic watchman's clapper mechanism, hang up soffit formwork stay-

bolt

39 and 40 and two-restriction nut 22, adjust two-restriction nut 22, pulling sliding sleeve 13, make it to be positioned at horizontal level, adjust two-restriction nut 10 again wall form 5 and hinge angle 27 are put in place, with the right angle fuse adjacent supporting girder steel 6 stretchings are fixed afterwards with bolt 9 and 11, in case perfusion displacement during concrete, promptly formwork finishes.Just allow to tear open when above and carry mould bases when concrete strength reaches 75%CM.During form removal, at first make soffit formwork stay-

bolt

39 or 40 and two-restriction nut 22 throw off, and the right angle fuse is unloaded, subsequently, start jack 18, compel top board 17 and rise, drive pull bar 14 and sliding sleeve 13, together with bolt 11,9 and two-restriction nut 10 jointly along central post 19 spacing risings, thereby pulling wall form 5, because hinge angle 27, the function that contracts in having is so formwork integral leaves the concrete wall, in view of the effect of guide wheel 3 and guide rail 2, contract in wall form 5 energy are smooth, leave the concrete wall.Use crane gear subsequently,, rise to next pouring position, also can hang away earlier wall form 5 and be placed on one side, hang soffit formwork 1 again, from new support together with tearing mechanism open by suspension hook 16 or the 8 and 4 whole mould bases of slinging.

Also can adopt following method to tear, promote mould bases open in addition: throw off soffit formwork stay-

bolt

39 or 40, unload the right angle fuse after, without jack 18, directly with two of lifting cable wires, (tighter) hanging hook 16, another root (pine) hanging hook 4 is during lifting, tighter before this suspension hook 16 works, pulling top board 17, making contracts in the formwork integral leaves the concrete wall, behind the certain distance, the suspension hook 4 of pine is stressed, thereby whole slip puts in place.

Advantage of the present utility model is: for highrise building lift well wall construction, a formwork can promote continuously, only needs crane gear to cooperate.Successfully having solved narrow vertical shaft does not have template under the operating surface condition and props up and tear open, has overcome the drawback that conventional on-site direct labor props up form removal, and not only speed of application is fast, quality is guaranteed, economy, safety, and design size has big flexibility, field condition that can be scalable.

Embodiment: dimensional units: millimeter.

With the square sectional length of side 2050 elevator shafts is example.

Soffit formwork 1 is a steel wood combination construction, and last plane is the square of the length of side 2000, and spandrel girder is selected the 10# channel-section steel for use, and one of girder is the I-shaped die by the butt welding of two 10# channel-section steel end faces; Central authorities' seat board 24 is connected and fixed with bolt with girder, and 23 welderings of quadruplet lower plate thereon; Center figure post projection φ 50, H50; Eight guide rails 2, corresponding guide wheel 3, two on every limit is welded on the spandrel girder, selects 50 equal leg angle length 300 for use, and drift angle upwards is " ∧ " type; Four suspension hooks 4 are welded on the spandrel girder.

Concrete wall 25 reserving holes specifically are of a size of α=30 °, m=70, H=125, the wide n=120 in hole.

Wall form 5, high by 3300, each side template wide by 1895 (not comprising the hinge angle), thickness 65, the selection standard steel form is widened to Rack to wait thick plank lath; Side template base face is respectively installed two guide wheels 3, and diameter is φ 50, and is corresponding with the guide rail 2 on the soffit formwork 1; Supporting girder steel 6 selects 10 for use ^#The channel-section steel assembly welding forms, two of every sides, and corresponding with upper and lower two sliding sleeve 13 levels, securing member 32 is selected single ended bolt for use; Base plate 7 is fastening with supporting girder steel 6 usefulness bolts 30, and clamping plate are welded in base plate 7 central authorities; Each one at two ends, suspension hook 8 every side template top.

Tear mechanism open for telescopic: central post 19 is selected 130 * 5 days slit-tubes of φ, H3240 for use; Sliding sleeve 13 is φ 140 * 5, H100, and upper and lower sliding sleeve center to center distance is 1920, upper sliding sleeve 13 center to center distance central posts 19 upper surfaces 390, low sleeve 13 center to center distance central posts 19 lower surfaces 930; Sliding sleeve clamping plate 12 are welded in sliding sleeve 13 lateral surfaces; Bolt 11 is left-handed, and an end is connected with sliding sleeve clamping plate 12 bearing pins, and the other end is threaded with two-restriction nut 10; Bolt 9 is dextrorotation, and an end is connected with clamping plate bearing pin on the base plate 7, and the other end is threaded with two-restriction nut 10; Be welded with train wheel bridge 21 on the low sleeve 13, and welded together with fixed head 28, being connected with bolt 39 bearing pins of dextrorotation simultaneously, bolt 39 other ends are threaded with open type two-restriction nut 22; Bolt 40 is left-handed, and an end is threaded with open type two-restriction nut 22, and the other end is connected with lower plate 23 bearing pins; Four pull bars 14, diameter phi 16 are welded on the fixed head 28 with the length of side 675 square profile; 12 on fixed head 28 and sliding sleeve clamping plate leave uniform, all are welded on the sliding sleeve 13; Top board 17 is bolt with pull bar 14 upper ends and is connected; Suspension hook 16 is positioned at top board 17 central authorities; 18 on jack is between central post 19 upper surfaces and top board 17.

The hinge angle: during holding state, equilateral right angle maximal side 155, side plate 34 is thick 4, and is wide by 65; Mainboard 38 is thick 4, and is wide by 155; Side rotating shaft 33 and main shaft 37 are φ 8 reinforcing bars, make axle sleeve with φ 14 * 2 steel pipes, are the hinge-type hinge with side plate 34 and mainboard 38 respectively, each hinge angle assembling total length 3300.

In the form removal lifting process, contract in the wall form 5 and leave 30 millimeters on concrete wall.

Use the result, effect is very desirable, and relevant department extremely payes attention to, and is considered as the major transformation of vertical shaft template, intends organizational standardization, applies in national builing industry as early as possible.

Claims

1. telescopic elevator well formwork is climbed soffit formwork (1), the wall form (5) of head (26) and is formed by band, it is characterized in that:

(A) there is central seat board (24) in soffit formwork (1) central authorities, are contained on the I-shaped girder, and there is cylindrical projection at its center; Lower plate (23) quadruplet is distributed on the central seat board (24), and corresponding bolt (40) hinge connection with it; Four suspension hooks (4) are fixed on the load-bearing channel-section steel girder steel;

(B) have supporting girder steel (6) on the wall form (5), upper and lower each one of every side template, base plate (7) is equipped with at its middle part; It is corresponding with sliding sleeve (13) that this plate lateral surface has clamping plate, and be connected with bolt (9) hinge by bearing pin (29); Suspension hook (8), each two of every side upper surfaces;

(C) also have telescopic to tear mechanism open: central post (19), but vertical base has upper and lower each one of sliding sleeve (13), under the spacing hole movable latch limits, along central post (19) on it on central seat board (24)) can upper and lower spacing slip; Sliding sleeve (13) lateral surface uniform quadruplet sliding sleeve clamping plate (12) are connected with bolt (11) hinge, also have (28) four of fixed heads simultaneously, in order to steady brace (14), and open uniform between sliding sleeve clamping plate (12); (10) eight on two-restriction nut, two ends are respectively positive and negative internal thread, with bolt (9) and (11) are corresponding is threaded; Low sleeve (13) also has train wheel bridge (21) quadruplet, connects together with fixed head (28), is connected simultaneously with bolt (39) hinge, and (22) four on two-restriction nut, two ends are respectively positive and negative internal thread, reach with bolt (39) that (40) are corresponding to be threaded; (14) four on pull bar is fixed together with fixed head (28), and its upper end is fixed together with top board (17), and the lower end is fixed together with fixed head (28) and train wheel bridge (21) simultaneously; Suspension hook (16) is fixed on the top board (17);

(D) also have hinge angle (27), mould bases is respectively adorned a cover for four jiaos, has (33) two of side rotating shafts, does hinge-type with side plate (34) and mainboard (38) simultaneously and is rotatably connected; (34) two of side plates are fixed by the upright side of securing member (36) and wall form (5); Installing plate has connecting hole on (35), and each one at every joint hinge two ends are dead with mainboard (38) vertical welding, and during lengthening hinge angle, whole location, assurance hinge angle (27) is used; (37) one of main shafts, contour with wall form (5), do hinge-type with two mainboards (38) simultaneously and be rotatably connected; (38) two of mainboards connect side rotating shaft (33) and main shaft (37), simultaneously lifting plate right angle effect.

2. according to the described mould bases of claim 1, it is characterized in that: soffit formwork (1) is gone up the plane eight guide rails (2), corresponding with eight guide wheels (3) that wall form (5) base face is uniform, is welded on the spandrel girder of soffit formwork (1) with each limit vertical configuration; Wall form (5), four side template base faces are respectively installed two guide wheels (3), and totally eight, corresponding with the guide rail (2) on the soffit formwork (1), when reducing form removal, the resistance that contracts in the template.