Tower silo carries big steel movable form device of tapering and preparation method thereof
Technical field
Tower silo of the present invention carries big steel movable form device of tapering and preparation method thereof, belongs to the sliding shuttering technical field.
Background technology
Existing tower silo sliding shuttering adopts common little punching block combination to attach in the enclosure of hanging over usually and slides with hoisting frame; Because the circle of silo is surrounded by n piece flat-die; Be an equilateral n limit shape theoretically; So the silo concrete surface that skids off has significantly perpendicular rib trace, if when torsional deflection is arranged, vestige is more obvious.The mounted template of present in addition existing sliding shuttering device by code requirement should go up young, end opening is big; The single face gradient is 0.1% ~ 0.3% of a template height; The formation of template tapering is to depend on when inside and outside enclosure is installed, and adjusts its position, makes it satisfy the requirement of template gradient.But, when hoisting frame drags enclosure and template sliding lifting, make and produce the relative displacement distortion between itself and the enclosure because template receives concrete drag effect.Along with the lifting of sliding shuttering, under the effect of the dynamic load of vibrated concrete and frictional resistance, dehiscing appears in the end opening of template easily, concrete spillage curtain phenomenon often occurs, severe contamination silo wall surface impression quality.In view of existing sliding shuttering, the silo impression quality that builds does not reach the clear-water concrete quality requirement, secondary often occurs and adds the slurry situation of wiping one's face, and has both strengthened engineering cost, does not reach desirable mass effect yet.
Summary of the invention
The present invention overcomes the shortcoming that prior art exists, and technical problem to be solved is, provides a kind of economical and efficient, tower silo that the product impression quality is high to carry big steel movable form device of tapering and preparation method thereof.
For addressing the above problem; The technical scheme that is adopted is: tower silo carries the big steel movable form device of tapering; Comprise out enclosure in the enclosure in the word hoisting frame, first, second, first periphery ring, second periphery ring and large steel moulding plate; The described word hoisting frame of opening is the flute profile framework that Open Side Down; The enclosure and the second interior enclosure are installed in out the inner side of word hoisting frame flute profile through first rest and second rest respectively in first; First periphery ring and second periphery ring are installed in out the inner opposite side of word hoisting frame flute profile through the 3rd rest and the 4th rest respectively, and the described first interior enclosure and the second interior enclosure are vertically vertical, and first periphery ring is vertically vertical with second periphery ring;
Large steel moulding plate and outer large steel moulding plate in said large steel moulding plate is divided into; The structure of interior large steel moulding plate is: a face down bonding of first steel plate is connected to many vertical first stiffening ribs; It is vertical that described all first stiffening ribs are a long limit; Another long sideband has 0.08-0.12% gradient, one side vertical being welded on first steel plate of all first stiffening ribs; The structure of outer large steel moulding plate is: a face down bonding of second steel plate is connected to many vertical second stiffening ribs; It is vertical that described all second stiffening ribs are a long limit; Another long sideband has 0.28-0.32% gradient, one side vertical being welded on second steel plate of all second stiffening ribs;
One side that all first stiffening ribs have a gradient in the interior large steel moulding plate is connected in first in the enclosure and second in the enclosure, one side all second stiffening ribs have being connected on first periphery ring and second periphery ring of gradient in the outer large steel moulding plate.
On the long limit of said first stiffening rib with gradient be on the long limit of 0.1%, the second stiffening rib with gradient be 0.3%.
The quantity of said first stiffening rib and second stiffening rib is four.
Tower silo carries the preparation method of the big steel movable form device of tapering, carries out according to following step:
The first step is made and is opened the word hoisting frame;
In second step, enclosure in the enclosure in first, second, first periphery ring and second periphery ring rest through separately is installed in out on the word hoisting frame;
The 3rd step; Make inside and outside large steel moulding plate; First stiffening rib and second stiffening rib of many well cutting gradients vertically are welded on respectively on first steel plate and second steel plate, and it is vertical that said all first stiffening ribs are a long limit, and another long sideband has 0.08-0.12% gradient; It is vertical that said all second stiffening ribs are a long limit, and another long sideband has 0.28-0.32% gradient;
The 4th step was connected to the interior large steel moulding plate of making in the 3rd step in the first interior enclosure and the second interior enclosure, and outer large steel moulding plate is connected on first periphery ring and second periphery ring.
Described first stiffening rib and second stiffening rib are vertical one side and are welded on respectively on first steel plate and second steel plate, one side have in the inside and outside enclosure of being connected to of gradient.
The quantity of said first stiffening rib and second stiffening rib is four.
On the long limit of said first stiffening rib with gradient be on the long limit of 0.1%, the second stiffening rib with gradient be 0.3%.
Described first steel plate and second steel plate are the polishing steel plate that thickness is 3mm.
The present invention compared with prior art has following beneficial effect.
1, the present invention is when installing enclosure; The enclosure up and down of enclosure and periphery ring keeps vertical vertical in only requiring; Directly hanging the large steel moulding plate that carries tapering gets final product; The tapering that large steel moulding plate is installed is found out in the position that need not to adjust enclosure, has accelerated sliding shuttering device enclosure assembly schedule, has improved efficiency of construction.
2, the present invention is when opening the word hoisting frame and drag that enclosure and large steel moulding plate are sliding to be risen, even produce the relative displacement distortion between template and the enclosure, owing to the vertical stiffening rib of template carries gradient; Carving under the sub-effect effect; Only can make template hold concrete wall tightly, the end opening of template the phenomenon of dehiscing can not occur, and has avoided spillage curtain phenomenon; Improve tower silo surface impression quality, reached the clear-water concrete quality requirement.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is a package assembly sketch map of the present invention.
Fig. 2 is the cross sectional representation of interior large steel moulding plate.
Fig. 3 is the side diagrammatic sketch of interior large steel moulding plate.
Fig. 4 is the cross sectional representation of outer large steel moulding plate.
Fig. 5 is the side diagrammatic sketch of outer large steel moulding plate.
Among the figure: 1 for opening the word hoisting frame, and 2 is enclosure in first, and 3 is enclosure in second, and 4 is first periphery ring; 5 is second periphery ring, and 6 is large steel moulding plate, and 7 is first rest, and 8 is second rest; 9 is the 3rd rest, and 10 is the 4th rest, and 11 is interior large steel moulding plate, and 12 is outer large steel moulding plate; 13 is first steel plate, and 14 is first stiffening rib, and 15 is second steel plate, and 16 is second stiffening rib.
The specific embodiment
Tower silo shown in Fig. 1-5 carries the big steel movable form device of tapering; Comprise out in the word hoisting frame 1, first in the enclosure 2, second enclosure 3, first periphery ring 4, second periphery ring 5 and large steel moulding plate 6; The described word hoisting frame 1 of opening is the flute profile framework that Open Side Down; The enclosure 2 and the second interior enclosure 3 are installed in out the inner side of word hoisting frame 1 flute profile through first rest 7 and second rest 8 respectively in first; First periphery ring 4 and second periphery ring 5 are installed in out the inner opposite side of word hoisting frame 1 flute profile through the 3rd rest 9 and the 4th rest 10 respectively; In described first in the enclosure 2 and second enclosure 3 vertical vertical, first periphery ring 4 is vertically vertical with second periphery ring 5;
Large steel moulding plate 11 and outer large steel moulding plate 12 in said large steel moulding plate 6 is divided into; The structure of interior large steel moulding plate 11 is: a face down bonding of first steel plate 13 is connected to many vertical first stiffening ribs 14; It is vertical that described all first stiffening ribs 14 are a long limit; Another long sideband has 0.08-0.12% gradient, one side all first stiffening rib, 14 vertical being welded on first steel plate 13; The structure of outer large steel moulding plate 12 is: a face down bonding of second steel plate 15 is connected to many vertical second stiffening ribs 16; It is vertical that described all second stiffening ribs 16 are a long limit; Another long sideband has 0.28-0.32% gradient, one side all second stiffening rib, 16 vertical being welded on second steel plate 15;
One side that all first stiffening ribs 14 have a gradient in the interior large steel moulding plate 11 is connected in first in the enclosure 2 and the second interior enclosure 3, one side all second stiffening ribs 16 have being connected on first periphery ring 4 and second periphery ring 5 of gradient in the outer large steel moulding plate 12.
On the long limits of said first stiffening rib 14 with gradient be on 0.1%, the second stiffening rib, the 16 long limits with gradient be 0.3%.
The quantity of said first stiffening rib 14 and second stiffening rib 16 is four.
Tower silo carries the preparation method of the big steel movable form device of tapering, carries out according to following step:
The first step is made and is opened word hoisting frame 1;
In second step, enclosure 3 in the enclosure in first 2, second, first periphery ring 4 and second periphery ring 5 rest through separately is installed in out on the word hoisting frame 1;
The 3rd step; Make inside and outside large steel moulding plate; First stiffening rib 14 and second stiffening rib 16 of many well cutting gradients vertically are welded on respectively on first steel plate 13 and second steel plate 15, and it is vertical that said all first stiffening ribs 14 are a long limit, and another long sideband has 0.08-0.12% gradient; It is vertical that said all second stiffening ribs 16 are a long limit, and another long sideband has 0.28-0.32% gradient;
The 4th step was connected to the interior large steel moulding plate of making in the 3rd step 11 in the first interior enclosure 2 and the second interior enclosure 3, and outer large steel moulding plate 12 is connected on first periphery ring 4 and second periphery ring 5.
Described first stiffening rib 14 and second stiffening rib 16 are vertical one side and are welded on respectively on first steel plate 13 and second steel plate 15, one side have in the inside and outside enclosure of being connected to of gradient.
The quantity of said first stiffening rib 14 and second stiffening rib 16 is four.
On the long limits of said first stiffening rib 14 with gradient be on 0.1%, the second stiffening rib, the 16 long limits with gradient be 0.3%.
Described first steel plate 13 and second steel plate 15 are the polishing steel plate that thickness is 3mm.
Open word hoisting frame 1, each inside and outside enclosure is all identical with prior art with the method for attachment of opening between the word hoisting frame 1.
The present invention only needs enclosure 3 vertical layouts in the first interior enclosure 2 and second because inside and outside large steel moulding plate carries tapering, and first periphery ring 4 and second periphery ring, 5 vertical layouts need not adjusted, and just can satisfy the requirement of sliding shuttering gradient.