CN104110132A - Adjustable combined stairway steel formwork for high-rise building and assembling method thereof - Google Patents
Adjustable combined stairway steel formwork for high-rise building and assembling method thereof Download PDFInfo
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- CN104110132A CN104110132A CN201410319407.0A CN201410319407A CN104110132A CN 104110132 A CN104110132 A CN 104110132A CN 201410319407 A CN201410319407 A CN 201410319407A CN 104110132 A CN104110132 A CN 104110132A
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Abstract
The invention discloses an adjustable combined stairway steel formwork for a high-rise building and an assembling method thereof. A stairway beam is provided with a first stepping vertical rod fixed to the stairway beam. A fixing plate and a second stepping vertical rod are fixed. The fixing plate is provided with a connecting bolt which penetrates through the fixing plate and the first stepping vertical rod. The second stepping vertical rod is provided with a connecting plate. The connecting plate is fixed to the stairway beam and the second stepping vertical rod. The portion, close to the stairway beam, of the connecting plate is provided with an adjusting through hole. A fastening bolt is arranged in the adjusting through hole, penetrates through the adjusting through hole and is fixed on the stairway beam. The second stepping vertical rod is provided with a stepping framework. A connecting piece is arranged between the stepping framework and the second stepping vertical rod. The connecting piece and the second stepping vertical rod are fixed. The connecting piece is provided with dowels which penetrate through the stepping framework at the same time. According to the formwork, by modifying the connecting mode in the past, the formwork releasing step is simpler; by increasing the number of movable joints, the whole formwork does not need to be disassembled into spare parts in the formwork releasing and circulating processes, time for formwork circulating is saved, and the work efficiency is improved.
Description
Technical field
The present invention relates to the realm of building construction, particularly, relate to a kind of adjustable composite stairway steel formwork and assemble method thereof for highrise building.
Background technology
Development along with modern architecture industry, elevator has been common equipment under construction, but stair are a kind of structures that must relate in modern architecture, stair bench template usual earlier is used wooden form, along with the increasing of the highrise building standard number of plies, started progressively to adopt set shaped steel formwork and combined steel formwork afterwards.
Wooden form is that kickplate template adopts with riser height wooden form, and vertical shaft side plate adopts zigzag wooden form.Because timber physical properties is limited, in work progress He under concrete lateral pressure, easily deform, the geometric molding of marking time is of poor quality, repairs difficulty after concrete formation; Stair well zigzag side template " sawtooth " easily drops, and repairs time-consuming taking a lot of work; In addition, wooden form fabrication and installation are more consuming time, and template loss is also larger.
According to current construction level and experience, for the more building stair of the typical floor template of marking time, adopt steel typified form, because this template self rigidity is large, the number of turnover is many, the advantage of easy construction, Integratively lifting and dismounting.The use of this template, one side can improve the surperficial impression quality of stair concrete component, effectively controls construction error; Save on the other hand timber, shorten the installing of template, dismounting time, improve construction speed.In the decorative engineering construction stage, can reduce stair depth of plastering, cost-saving, reduce construction cost.Although domestic, there are some steel typified forms, still existed punching block from great, difficult transhipment, the defects such as demoulding difficulty.Conventional customization steel form deadweight is larger, transports more difficultly, even need to could transport by crane gears such as tower cranes; Because set shaped steel formwork is to have made an integral body, cause quite difficulty of the demoulding, misoperation also may be destroyed concrete moulding simultaneously.
The Chinese invention patent that application number is " 201310434062.9 " discloses a kind of steel form and assemble method thereof that is exclusively used in the modular stairway of highrise building, combined steel template improves to some extent on the basis of set shaped steel formwork, because possessing dismountable feature, during turnover, split into loose mail transportation and be assembled into again integral body after in place, it is poor that it made up wooden form physical property, make up again sizing punching block from shortcoming great, that be difficult for transhipment, formed a kind of combined steel template.Yet in combined steel formwork use procedure, we think that its demoulding step is comparatively loaded down with trivial details; When turnover is used, due to needs, template is all dismembered to transhipment all re-assembly after in place again, all transfer efficients are not high enough.
Summary of the invention
It is easier that technical problem to be solved by this invention is to provide a kind of demoulding step that makes, and to template, adjustable composite stairway steel formwork and the assemble method thereof for highrise building of time saved in turnover.
The present invention addresses the above problem adopted technical scheme: a kind of adjustable composite stairway steel formwork for highrise building, comprise two terraced beams that are parallel to each other, the same direction of the outer wall of described terraced beam is provided with the some vertical rods one of marking time, mark time one end of vertical rod one and the outer wall of terraced beam is welded and fixed, the other end is provided with the vertical rod two of marking time, the vertical rod two of marking time is arranged on the below of the vertical rod one of marking time, the vertical rod one of marking time is provided with fixed head with the outer wall of the vertical rod two of marking time, the quantity of fixed head is two, the symmetrical side that is separately positioned on the vertical rod two of marking time is outside, fixed head is welded and fixed with the outer wall of the vertical rod two of marking time, fixed head and mark time and have gap between vertical rod one, on fixed head, be provided with connecting bolt, connecting bolt is simultaneously through fixed head and the vertical rod one of marking time, and fixed head can rotate around connecting bolt, described outer wall of marking time vertical rod two is provided with junction plate, the two ends of junction plate are fixing with terraced beam and the corresponding vertical rod two of marking time respectively, on one end outer wall of junction plate near terraced beam, be provided with adjusting through hole, regulate in through hole and be provided with fastening bolt, fastening bolt is through regulating through hole and terraced beam to fix, and fastening bolt can move in regulating through hole, on the outer wall of the described vertical rod two of marking time, be provided with the skeleton of marking time, mark time skeleton and mark time and be provided with upper and lower two-layer brace between vertical rod two, one end of brace is welded and fixed with the vertical rod two of marking time, wherein be arranged on the bottom that the other end of the brace of lower floor is held the skeleton of marking time, be arranged on the brace on upper strata and be provided with pin, pin is simultaneously through the top of the skeleton of marking time.
In early stage, the features many for highrise building typical floor are optimized upgrading to old-fashioned stair wooden form and set shaped steel formwork, invented a kind of modular stairway steel form, it is poor that it made up wooden form physical property, make up again sizing punching block from shortcoming great, that be difficult for transhipment, formed a kind of combined steel template.Yet in combined steel formwork use procedure, we think that its demoulding step is comparatively loaded down with trivial details; When turnover is used, due to needs, template is all dismembered to transhipment all re-assembly after in place again, all transfer efficients are not high enough.Therefore, we improve on the basis of combined steel template, change the connected mode of the U-shaped card of combined steel formwork, increase the turning joint of the vertical rod of marking time, formed a kind of adjustable composite stairway steel formwork for highrise building, this combined staircase steel form utilization changes the connected mode of the U-shaped card of facade baffle plate of marking time.The skeleton of marking time adopts two latches to be fixed on terraced beam, and the wooden form of marking time is fixed on and is marked time on skeleton by tapping screw.Make to remove step plate and knockout course is more convenient, and reduced the damaged condition to template, increased the template number of turnover.Mark time vertical rod by the form of original latch+spacing round steel, have plug pin during work, spacing action is removed in mobile vertical rod.Scheme adopts turning joint after improving, and joint is joined bolt by slotted hole and is fixed or reconciles, and step is simplified more, is more applicable to using in highrise building.
The brace quantity that in the described vertical rod two of marking time, each root is marked time in vertical rod two is two, and the junction of junction plate and the vertical rod two of marking time is between two braces; The two ends of described terraced beam are provided with stator, are provided with bearing pin on stator, and bearing pin is simultaneously through stator and terraced beam, and terraced beam can rotate around bearing pin, be provided with adjusting screw mandrel, and regulate screw mandrel through stator on stator; On the outer wall of described terraced beam, be provided with some fixedly pins, fixedly the bottom of pin is vertically welded on terraced beam, and fixedly pin is arranged on the top of the vertical rod one of marking time, and the adjacent fixedly distance between pin on same terraced beam is 3m.
The assemble method that is used for the adjustable composite stairway steel formwork of highrise building, comprises the following steps:
(a) select the identical terraced beam parallel placement on horizontal plane of two root architectures, the some vertical rods one of marking time of outer wall welding at terraced beam, the vertical rod two of marking time is arranged on the below of the vertical rod one of marking time, connecting bolt passes bottom outer wall and the fixed head of the vertical rod one of marking time simultaneously, and the bottom of fixed head is welded on the outer wall of the vertical rod two of marking time, fixed head can be rotated around connecting bolt, thereby drive, mark time vertical rod two around vertical rod one rotation of marking time; In the vertical rod two of marking time, utilize screw to be fixed with junction plate, junction plate one end is provided with adjusting through hole, and fastening bolt is connected with terraced beam after regulating through hole, and in the process of rotating around the vertical rod one of marking time in the vertical rod two of marking time, fastening bolt moves in regulating through hole;
(b) skeleton of marking time adopts two latches to be fixed on to mark time in vertical rod two, the wooden form of marking time is fixed on and is marked time on skeleton by tapping screw, the skeleton outside size of marking time is less than the routine facade size of marking time, make it have more versatility, when construction the marking time of different size, only need to change wooden form, on the lower and upper cross-member of the skeleton of marking time, respectively bore 3 bolts hole for fixing wooden form;
(c) two ends of terraced beam arrange stator, and utilize bearing pin simultaneously through terraced beam and stator, and terraced beam can rotate to change terraced depth of beam around bearing pin, utilizes the adjusting screw mandrel arranging to control the height of stator.
To sum up, the invention has the beneficial effects as follows:
1, the mark time improvement of vertical baffle plate: the angle steel skeleton of the vertical baffle plate of marking time adopts screw to be connected with wooden form, installs, dismantles more convenient than the connection of U-shaped card, and the turnover rate of template is higher;
2, the fixing of baffle plate skeleton of marking time: the skeleton of marking time is fixed by pin, tears open easier than the peace of U-shaped card;
3, adopt turning joint: the vertical rod of marking time makes turning joint type into by the spacing mode of original U-shaped card+round steel and connects, and operating procedure is simplified more, and efficiency is higher;
4, assembly and disassembly are conveniently: assembling again former Combined formwork turnover needs all dismemberent transhipments in place while using after, and workload is larger, and the punching block after improvement only needs local dismemberent, and dismounting and assembling are more convenient, have improved work efficiency;
5, side wooden model collaborative work: combined steel template mainly solves the moulding of marking time, locate by Screw arbor with nut at both-ends the side of bench, during Screw arbor with nut at both-ends construction, only should be noted that and avoid steel frame, strong operability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the enlarged drawing at B place in Fig. 1;
Fig. 4 is the enlarged drawing at C place in Fig. 1;
Fig. 5 is the enlarged drawing at D place in Fig. 1.
Mark and corresponding component title in accompanying drawing: 1-fixing pin; 2-terraced beam; 3-brace; 4-pin; 5-the skeleton of marking time; 6-junction plate; 7-the wooden form of marking time; 8-the vertical rod two of marking time; 9-the vertical rod one of marking time; 10-adjusting through hole; 11-connecting bolt; 12-fixed head; 14-bearing pin; 15-stator; 16-adjusting screw mandrel; 17-tapping screw.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, a kind of adjustable composite stairway steel formwork for highrise building, comprise two terraced beams 2 that are parallel to each other, the same direction of the outer wall of described terraced beam 2 is provided with the some vertical rods 1 of marking time, mark time one end of vertical rod 1 and the outer wall of terraced beam 2 is welded and fixed, the other end is provided with the vertical rod 28 of marking time, the vertical rod 28 of marking time is arranged on the below of the vertical rod 1 of marking time, the vertical rod 1 of marking time is provided with fixed head 12 with the outer wall of the vertical rod 28 of marking time, the quantity of fixed head 12 is two, the symmetrical side that is separately positioned on the vertical rod 28 of marking time is outside, fixed head 12 is welded and fixed with the outer wall of the vertical rod 28 of marking time, fixed head 12 and mark time and have gap between vertical rod 1, on fixed head 12, be provided with connecting bolt 11, connecting bolt 11 is simultaneously through fixed head 12 and the vertical rod 1 of marking time, and fixed head 12 can rotate around connecting bolt 11, described outer wall of marking time vertical rod 28 is provided with junction plate 6, the two ends of junction plate 6 are fixing with the corresponding vertical rod 28 of marking time with terraced beam 2 respectively, on one end outer wall of junction plate 6 near terraced beam 2, be provided with and regulate through hole 10, regulate in through hole 10 and be provided with fastening bolt, fastening bolt is through regulating through hole 10 fixing with terraced beam 2, and fastening bolt can move in regulating through hole 10, on the outer wall of the described vertical rod 28 of marking time, be provided with the skeleton 5 of marking time, mark time skeleton 5 and mark time and be provided with upper and lower two-layer brace 3 between vertical rod 28, one end of brace 3 is welded and fixed with the vertical rod 28 of marking time, wherein be arranged on the bottom that the other end of the brace 3 of lower floor is held the skeleton 5 of marking time, be arranged on the brace 3 on upper strata and be provided with pin 4, pin 4 is simultaneously through the top of the skeleton 5 of marking time, brace 3 quantity that in the described vertical rod 28 of marking time, each root is marked time in vertical rod 28 are two, and the junction of junction plate 6 and the vertical rod 28 of marking time is between two braces 3.The combined steel template using now, tread is comprised of wooden model and steel frame, relies on U-shaped card to be connected and fixed during work, and terraced beam is connected with wooden form and all adopts U-shaped fastening with the skeleton that is connected, marks time of the facade skeleton of marking time.During practical operation, often occur the U-shaped card difficulty of triping, U-shaped card is too many, has reduced work efficiency, serious to the damaged template of marking time during the demoulding, reduces the template number of turnover.When turnover is used, punching block main framing and step plate assembly all need be dismembered, all re-assembly after being transported to new operating position again, operation is comparatively loaded down with trivial details.The skeleton of marking time is fixed by pin, than the peace of U-shaped card, tears open easier; Adopt turning joint: the vertical rod of marking time makes turning joint type into by the spacing mode of original U-shaped card+round steel and connects, operating procedure is simplified more, efficiency is higher, it is 30mm that ladder beam adopts diameter, thickness is that the steel pipe of 2.5mm is made, and is provided with some fixedly pins 1 on the outer wall of described terraced beam 2, and fixedly the bottom of pin 1 is vertically welded on terraced beam 2, fixedly pin 1 is arranged on the top of the vertical rod 1 of marking time, and the distance between the adjacent fixedly pin 1 on same terraced beam 2 is 3m.On every 3m section ladder beam, arrange 2 roads fixedly pin 1 be convenient to fixing of main framing.It is 20mm that the vertical rod of marking time adopts diameter, and the quarter bend that pipe thickness is 2mm is made, and is connected with terraced beam bearing pin, forms turning joint.Mark time vertical rod 1 and marking time between vertical rod 28 of utilization, the flexible connection forming between junction plate 6 and terraced beam 2, when the vertical rod 28 of marking time is rotated around the vertical rod 1 of marking time, the rectangular cross section that adjusting through hole 10 on junction plate 6 forms limits track by fastening bolt, the skeleton 5 that makes to mark time can change with respect to the angle of terraced beam, after concreting, due to concrete extruding, easily distortion between parts, and then affect the Forming Quality of stair, and the present invention can adjust angle by flexible connection is set, and then distortion concrete being caused at casting process is slightly adjusted, make the quality of stair there will not be significantly distortion, and the structure being flexibly connected, make demoulding step easier, by increasing turning joint, make template will template all not dismember into loose mail when the demoulding and turnover, to template, have enough to meet the need and saved the time, strengthened work efficiency.
Embodiment 2:
As shown in Figure 1, on the basis of embodiment 1, the two ends of described terraced beam 2 are provided with stator 15, on stator 15, be provided with bearing pin 14, bearing pin 14 is simultaneously through stator 15 and terraced beam 2, and terraced beam 2 can rotate around bearing pin 14, is provided with and regulates screw mandrel 16 on stator 15, and regulates screw mandrel 16 through stator 15.By terraced beam 2 is enough, around bearing pin 14, rotate, change the angle between terraced beam 2 and horizontal plane, realize the adjustment to the slope of stairs, and this is the category that belongs to flexible connection equally, operating personnel adjust after angle, conical bearing pin 14 is inserted darker, just fixing between stator 15 and terraced beam 2, avoid producing when concreting mobile, cause stair can't meet the quality requirement, and the flexible connection between stator 15 and terraced beam 2 makes template time will template all not dismember into loose mail in the demoulding with turnover, to template, the time has been saved in turnover, strengthened work efficiency.
Embodiment 3:
As shown in Figure 1, a kind of assemble method of the adjustable composite stairway steel formwork for highrise building, comprises the following steps:
(a) select the identical terraced beam 2 parallel placement on horizontal plane of two root architectures, the some vertical rods 1 of marking time of outer wall welding at terraced beam 2, the vertical rod 28 of marking time is arranged on the below of the vertical rod 1 of marking time, connecting bolt 11 passes bottom outer wall and the fixed head 12 of the vertical rod 1 of marking time simultaneously, and the bottom of fixed head 12 is welded on the outer wall of the vertical rod 28 of marking time, fixed head 12 can be rotated around connecting bolt 11, thereby drive the vertical rod 28 of marking time to rotate around the vertical rod 1 of marking time; In the vertical rod 28 of marking time, utilize screw to be fixed with junction plate 6, junction plate 6 one end are provided with and regulate through hole 10, fastening bolt is connected with terraced beam 2 after regulating through hole 10, and in the process of rotating around the vertical rod 1 of marking time in the vertical rod 28 of marking time, fastening bolt moves in regulating through hole 10;
(b) mark time skeleton 5 adopts two latches to be fixed on to mark time in vertical rod 28, the wooden form 7 of marking time is fixed on and is marked time on skeleton 5 by tapping screw 17, the skeleton 5 outside sizes of marking time are less than the routine facade size of marking time, make it have more versatility, when construction the marking time of different size, only need to change wooden form, on the lower and upper cross-member of the skeleton of marking time, respectively bore 3 bolts hole for fixing wooden form;
(c) two ends of terraced beam 2 arrange stator 15, and utilize bearing pin 14 simultaneously through terraced beam 2 and stator 15, and terraced beam 2 can rotate the height that changes terraced beam 2 around bearing pin 14, utilizes the adjusting screw mandrel 16 arranging to control the height of stator 15.Stair side template is by screw rod is fixed, and steel form skeleton is avoided in Screw arbor with nut at both-ends position.
Existing combined steel template improves to some extent on the basis of set shaped steel formwork, because possessing dismountable feature, splits into loose mail transportation and be assembled into integral body after in place again during turnover.Weak point is that stripping means is comparatively loaded down with trivial details, and disassembly and assembly are more time-consuming.The present invention improves on the basis of existing combined staircase steel form.By to using in a large number in the past the connected modes of U-shaped card to modify, make demoulding step easier; By increasing turning joint, make template will template all not dismember into loose mail when the demoulding and turnover, to template, have enough to meet the need and saved the time, strengthened work efficiency.
This programme mainly solves following some problem:
The mark time improvement of vertical baffle plate: the angle steel skeleton of the vertical baffle plate of marking time adopts screw to be connected with wooden form, installs, dismantles more convenient than the connection of U-shaped card, and the turnover rate of template is higher;
The fixing of baffle plate skeleton of marking time: the skeleton of marking time is fixed by pin, tears open easier than the peace of U-shaped card;
Adopt turning joint: the vertical rod of marking time makes joint type into by the spacing mode of original U-shaped card+round steel and connects, and operating procedure is simplified more, and efficiency is higher;
Assembly and disassembly are convenient: former Combined formwork turnover while using, need all to dismember transhipment in place after assembling again, workload is larger, the punching block after improvement only needs local dismemberent, remove and assembling more convenient, improved work efficiency;
Side wooden model collaborative work: combined steel template mainly solves the moulding of marking time, locate by Screw arbor with nut at both-ends the side of bench, during Screw arbor with nut at both-ends construction, only should be noted that and avoid steel frame, strong operability.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (5)
1. the adjustable composite stairway steel formwork for highrise building, it is characterized in that, comprise two terraced beams (2) that are parallel to each other, the same direction of the outer wall of described terraced beam (2) is provided with the some vertical rods one (9) of marking time, mark time one end of vertical rod one (9) and the outer wall of terraced beam (2) is welded and fixed, the other end is provided with the vertical rod two (8) of marking time, the vertical rod two (8) of marking time is arranged on the below of the vertical rod one (9) of marking time, the outer wall of vertical rod one (9) and the vertical rod two (8) of marking time of marking time is provided with fixed head (12), the quantity of fixed head (12) is two, the symmetrical side that is separately positioned on the vertical rod two (8) of marking time is outside, fixed head (12) is welded and fixed with the outer wall of the vertical rod two (8) of marking time, fixed head (12) and mark time and have gap between vertical rod one (9), on fixed head (12), be provided with connecting bolt (11), connecting bolt (11) is simultaneously through fixed head (12) and the vertical rod one (9) of marking time, and fixed head (12) can rotate around connecting bolt (11), described outer wall of marking time vertical rod two (8) is provided with junction plate (6), the two ends of junction plate (6) are fixing with terraced beam (2) and the corresponding vertical rod two (8) of marking time respectively, junction plate (6) regulates through hole (10) near being provided with on one end outer wall of terraced beam (2), regulate in through hole (10) and be provided with fastening bolt, fastening bolt is through regulating through hole (10) and terraced beam (2) fixing, and fastening bolt can be mobile in regulating through hole (10), on the outer wall of the described vertical rod two (8) of marking time, be provided with the skeleton of marking time (5), mark time skeleton (5) and mark time and be provided with upper and lower two-layer brace (3) between vertical rod two (8), one end of brace (3) is welded and fixed with the vertical rod two (8) of marking time, the other end that is wherein arranged on the brace (3) of lower floor is held the bottom of the skeleton of marking time (5), be arranged on the brace (3) on upper strata and be provided with pin (4), pin (4) is simultaneously through the top of skeleton (5) of marking time.
2. a kind of adjustable composite stairway steel formwork for highrise building according to claim 1, it is characterized in that, brace (3) quantity that in the described vertical rod two (8) of marking time, each root is marked time in vertical rod two (8) is two, and the junction of junction plate (6) and the vertical rod two (8) of marking time is positioned between two braces (3).
3. a kind of adjustable composite stairway steel formwork for highrise building according to claim 1, it is characterized in that, the two ends of described terraced beam (2) are provided with stator (15), on stator (15), be provided with bearing pin (14), bearing pin (14) is simultaneously through stator (15) and terraced beam (2), and terraced beam (2) can rotate around bearing pin (14), on stator (15), be provided with and regulate screw mandrel (16), and regulate screw mandrel (16) through stator (15).
4. a kind of adjustable composite stairway steel formwork for highrise building according to claim 1, it is characterized in that, on the outer wall of described terraced beam (2), be provided with some fixedly pins (1), fixedly the bottom of pin (1) is vertically welded on terraced beam (2), fixedly pin (1) is arranged on the top of the vertical rod one (9) of marking time, and the distance between the adjacent fixedly pin (1) on same terraced beam (2) is 3m.
5. for an assemble method for the adjustable composite stairway steel formwork of highrise building, it is characterized in that, comprise the following steps:
(a) select identical terraced beam (2) the parallel placement on horizontal plane of two root architectures, the some vertical rods one (9) of marking time of outer wall welding at terraced beam (2), the vertical rod two (8) of marking time is arranged on the below of the vertical rod one (9) of marking time, connecting bolt (11) passes bottom outer wall and the fixed head (12) of the vertical rod one (9) of marking time simultaneously, and the bottom of fixed head (12) is welded on the outer wall of the vertical rod two (8) of marking time, fixed head (12) can be rotated around connecting bolt (11), thereby drive the vertical rod two (8) of marking time to rotate around the vertical rod one (9) of marking time; In the vertical rod two (8) of marking time, utilize screw to be fixed with junction plate (6), junction plate (6) one end is provided with and regulates through hole (10), fastening bolt is connected with terraced beam (2) after regulating through hole (10), and in the process of rotating around the vertical rod one (9) of marking time in the vertical rod two (8) of marking time, fastening bolt is mobile in regulating through hole (10);
(b) skeleton (5) of marking time adopts two latches to be fixed on to mark time in vertical rod two (8), the wooden form (7) of marking time is fixed on the skeleton of marking time (5) by tapping screw (17), skeleton (5) the outside size of marking time is less than the routine facade size of marking time, make it have more versatility, when construction the marking time of different size, only need to change wooden form, on the lower and upper cross-member of the skeleton of marking time, respectively bore 3 bolts hole for fixing wooden form;
(c) two ends of terraced beam (2) arrange stator (15), and utilize bearing pin (14) simultaneously through terraced beam (2) and stator (15), ladder beam (2) can rotate the height that changes terraced beam (2) around bearing pin (14), utilizes the adjusting screw mandrel (16) arranging to control the height of stator (15).
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| CN108661321A (en) * | 2018-05-18 | 2018-10-16 | 无锡市圣旺坤新材料科技有限公司 | Adjustable stairs pour mold |
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| CN102677895A (en) * | 2012-04-26 | 2012-09-19 | 北京正和恒基滨水生态环境治理股份有限公司 | Suspended formwork pouring method for concrete foundation steps |
| CN102912977A (en) * | 2012-11-06 | 2013-02-06 | 南通建筑工程总承包有限公司 | Mold used for pouring shaped stair |
| CN203441103U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Stair design steel form |
| CN203403674U (en) * | 2013-08-16 | 2014-01-22 | 中国建筑第二工程局有限公司 | Adjustable stair steel form of instrument formula |
| CN103485530A (en) * | 2013-09-23 | 2014-01-01 | 中国五冶集团有限公司 | Special steel formwork for combined stairway of high-rise building and assembly method of special steel formwork |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594575A (en) * | 2014-12-31 | 2015-05-06 | 深圳瑞和建筑装饰股份有限公司 | Stair |
| CN108661321A (en) * | 2018-05-18 | 2018-10-16 | 无锡市圣旺坤新材料科技有限公司 | Adjustable stairs pour mold |
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