CN205476155U - Prefabricated assembly beam type stair - Google Patents
Prefabricated assembly beam type stair Download PDFInfo
- Publication number
- CN205476155U CN205476155U CN201521120838.0U CN201521120838U CN205476155U CN 205476155 U CN205476155 U CN 205476155U CN 201521120838 U CN201521120838 U CN 201521120838U CN 205476155 U CN205476155 U CN 205476155U
- Authority
- CN
- China
- Prior art keywords
- step plate
- bench
- cant beam
- face
- counter sink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a prefabricated assembly beam type stair belongs to beam type stair technical field, bench sloping and a plurality of flier including the slope setting, bench sloping upper surface is hierarchic structure, and the bottom lower surface of bench sloping and top lower surface be the level respectively, and fixed surface is in the base of below floor under the bottom of bench sloping in adjacent floor, and fixed surface is in the base of top floor under the top of bench sloping in adjacent corridor, the flier is L type structure, and adjacent flier head and the tail contact in proper order and the cooperation is placed at bench sloping upper surface, and every flier can be dismantled with the bench sloping and be connected. The utility model discloses a bench sloping is stepped structure, still convenient transport in the time of save material, on the other hand, a plurality of fliers coordinate to place can dismantle on the bench sloping and with the bench sloping and are connected, can dismantle to set up to have lightened overall weight, and the transportation is convenient, assembly, efficiency of construction height.
Description
Technical field
This utility model relates to stringer type stairway, specifically a kind of prefabrication and assembly construction stringer type stairway.
Background technology
At present, architectural stair typically uses cranked slab stairs and stringer type stairway.
Cranked slab stairs is to be considered as one block of plate by stair, the two ends of plate are formed on the side bar of half space, half space supports on the wall, its structure includes waist slab, landing slab and landing beam, wherein waist slab is the castellated plates tiltedly put, it is supported on landing beam and on floor beam, bottom hypomere is generally supported on alley beam.In Application in Building quite varied.The construction method of existing cranked slab stairs has two kinds: one is to pour at the construction field (site), has the drawback that, complicated construction technique, and the engineering time is long；Another kind is prefabricated casting concrete stair in factory, has the drawback that, owing to the prefabricated weight of the concrete staircase completed own is about 2-3 ton, in hoisting transportation and work progress, it is accomplished by using large-scale tower crane, thus increases hiring cost, extend the engineering time.
Stringer type stairway, is again beam slab stair, is the cranked slab stairs having beam under staircase boards, it is adaptable to the staircase that span is bigger and crowded.Beam and slab type stair are that bench step plate directly rests on cant beam, and cant beam is shelved on the stair stringer of bench two ends (sometimes due to stress needs, cant beam arranges three), and stringer type stairway longitudinal load is carried on a shoulder pole by joist support.The conventional construction method of existing stringer type stairway is cast in situs, complicated construction technique, and the engineering time is long, pours lack of homogeneity, now fewer in Application in Building.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, it is provided that a kind of prefabrication and assembly construction stringer type stairway.
This utility model solves its technical problem and be the technical scheme is that
Prefabrication and assembly construction stringer type stairway, including the bench cant beam being obliquely installed and multiple step plate, the upper surface of described bench cant beam is hierarchic structure, the bottom lower surface of bench cant beam and top lower surface level respectively, and the bottom lower surface of bench cant beam is fixed in contiguous floors the pedestal being below floor, the top lower surface of bench cant beam is fixed in adjacent corridor the pedestal being in top floor；Described step plate is L-type structure, and adjacent step plate head and the tail contact successively and coordinate and are placed on bench cant beam upper surface, and each step plate removably connects with bench cant beam.
In actual installation, multiple step plates are sequentially arranged in bench cant beam upper surface from top to bottom, and between adjacent step plate, it is in the upper surface being pressed in bench cant beam under the bottom end face of upper step plate, is in the top side end face side pressure of lower step plate in the bottom sides being in upper step plate.
On this installation foundation, the bottom sides of described step plate vertically offers counter sink, on described bench cant beam, the counter sink position relative to step plate offers screwed hole, the counter sink of screw bolt passes step plate, the screwed hole of bench cant beam, step plate is removably connected with bench cant beam, and bolt end face is without departing from the end face of step plate.
Preferably, between adjacent two step plates, it is in the top side end face of lower step plate and blocks and be in the counter sink that upper step plate bottom sides is offered.
Certainly, similar alternative arrangements can also be selected, multiple step plates are sequentially arranged in bench cant beam upper surface from top to bottom, and between adjacent step plate, it is in the upper surface of the top side end face side pressure bench cant beam of lower step plate, is under the bottom end face of upper step plate and is pressed in the end face being in lower step plate.
On the basis of this mounting structure, the end face of described step plate vertically offers counter sink, on described bench cant beam, the counter sink position relative to step plate offers screwed hole, the counter sink of screw bolt passes step plate, the screwed hole of bench cant beam, step plate is removably connected with bench cant beam, and bolt end face is without departing from the end face of step plate.
Preferably, between adjacent two step plates, it is in the bottom end face of upper step plate and blocks and be in the counter sink that lower step plate end face is offered.
Preferably, it is filled with in the gap between described bolt and counter sink and the concrete of step plate either flush.
Preferably, a length of 250-300mm of described step plate, height is 130-180mm.
Preferably, described step plate selects concrete or plank to make.
Prefabrication and assembly construction stringer type stairway of the present utility model compared with prior art produced by provide the benefit that:
1) bench cant beam upper surface of the present utility model is hierarchic structure, also convenient carrying while saving material；On the other hand, the cooperation of multiple step plates is placed on bench cant beam and removably connects with bench cant beam, and detachable setting alleviates overall weight, convenient transportation, assembling, efficiency of construction height；
2) also at link position casting concrete after step plate is connected with bench cant beam bolt, the surface of step plate is made to smooth, attractive in appearance；
3) at least two bench cant beams are set, make firm, stable, the shock resistance height of step plate, during assembling, the counter sink on step plate and the screwed hole on bench cant beam can be aligned easily and fast, save installation time, improve efficiency of construction.
Accompanying drawing explanation
Accompanying drawing 1 is the structural front view of embodiment one；
Accompanying drawing 2 is the structure for amplifying schematic diagram of label A in Fig. 1；
Accompanying drawing 3 is the structure for amplifying schematic diagram of embodiment two；
Accompanying drawing 4 is the structural front view of embodiment three；
Accompanying drawing 5 is the structure for amplifying schematic diagram of label B in Fig. 1；
Accompanying drawing 6 is the structure for amplifying schematic diagram of embodiment four；
Accompanying drawing 7 is the structure for amplifying schematic diagram of embodiment five.
In figure, each label represents:
10, the pedestal of floor below, 20, the pedestal of top floor, 30, bench cant beam,
40, step plate, 41, lower step plate, 42, upper step plate,
50, bolt, 60, concrete.
Detailed description of the invention
1-7 below in conjunction with the accompanying drawings, as a example by eight grades of staged bench cant beams, is described in detail below prefabrication and assembly construction stringer type stairway of the present utility model.
Embodiment one:
As shown in accompanying drawing 1,2, prefabrication and assembly construction stringer type stairway of the present utility model, its structure includes bench cant beam 30 and the multiple step plate 40 being obliquely installed, the upper surface of described bench cant beam 30 is hierarchic structure, the bottom lower surface of bench cant beam 30 and top lower surface level respectively, and the bottom lower surface of bench cant beam 30 is fixed in contiguous floors the pedestal 10 being below floor, the top lower surface of bench cant beam 30 is fixed in adjacent corridor the pedestal 20 being in top floor；Described step plate 40 is L-type structure, the L-type medial surface of step plate 40 contacts with the hierarchic structure upper surface cooperation of bench cant beam 30, and multiple step plate 40 is sequentially arranged in bench cant beam 30 upper surface from top to bottom, between adjacent step plate 40, it is in the upper surface being pressed in bench cant beam 30 under the bottom end face of upper step plate 42, is in the top side end face side pressure of lower step plate 41 in the bottom sides being in upper step plate 42.
The bottom sides of described step plate 40 vertically offers counter sink, on described bench cant beam 30, the counter sink position relative to step plate 40 offers screwed hole, bolt 50 sequentially passes through the counter sink of step plate 40, the screwed hole of bench cant beam 30, step plate 40 is removably connected with bench cant beam 30, and bolt 50 end face is without departing from the end face of step plate 40.
Between adjacent two step plates 40, it is in the top side end face of lower step plate 41 and blocks and be in the counter sink that upper step plate 42 bottom sides is offered.
Embodiment two:
On the architecture basics of embodiment one, the present embodiment is different from part and is: with reference to Fig. 3, between adjacent two step plates 40, is in the top side end face of lower step plate 41 and does not block and be in the counter sink that upper step plate 42 bottom sides is offered.
Embodiment three:
As shown in accompanying drawing 4,5, prefabrication and assembly construction stringer type stairway of the present utility model, its structure includes bench cant beam 30 and the multiple step plate 40 being obliquely installed, the upper surface of described bench cant beam 30 is hierarchic structure, the bottom lower surface of bench cant beam 30 and top lower surface level respectively, and the bottom lower surface of bench cant beam 30 is fixed in contiguous floors the pedestal 10 being below floor, the top lower surface of bench cant beam 30 is fixed in adjacent corridor the pedestal 20 being in top floor；Described step plate 40 is L-type structure, the L-type medial surface of step plate 40 contacts with the hierarchic structure upper surface cooperation of bench cant beam 30, and multiple step plate 40 is sequentially arranged in bench cant beam 30 upper surface from top to bottom, between adjacent step plate 40, it is in the upper surface of the top side end face side pressure bench cant beam 30 of lower step plate 41, is under the bottom end face of upper step plate 42 and is pressed in the end face being in lower step plate 41.
The end face of described step plate 40 vertically offers counter sink, on described bench cant beam 30, the counter sink position relative to step plate 40 offers screwed hole, bolt 50 sequentially passes through the counter sink of step plate 40, the screwed hole of bench cant beam 30, step plate 40 is removably connected with bench cant beam 30, and bolt 50 end face is without departing from the end face of step plate 40.
Between adjacent two step plates 40, it is in the bottom end face of upper step plate 42 and blocks and be in the counter sink that lower step plate 41 end face is offered.
Embodiment four:
On the architecture basics of embodiment three, the present embodiment is different from part and is: with reference to Fig. 6, between adjacent two step plates 40, is in the bottom end face of upper step plate 42 and does not block and be in the counter sink that lower step plate 41 end face is offered.
Embodiment five:
With reference to Fig. 7, on the architecture basics of embodiment four, it is filled with in the gap between described bolt 50 and counter sink and the concrete 60 of step plate 40 either flush.Certainly, based on any structure in embodiment one to embodiment four, also it is can to fill the concrete 60 less than step plate 40 end face in the gap between bolt 50 and counter sink.
In above-mentioned five embodiments, it should be noted that during actual processing and manufacturing step plate 40, step plate 40 can select concrete or plank to make, on the basis of ensureing practicality, a length of 250-300mm of described step plate 40, height is 130-180mm.
It can further be stated that, it is counter sink due to offer on step plate 40, relatively offer on bench cant beam 30 is screwed hole, so bolt 50 just can initially pass through the counter sink of step plate 40, being then passed through the screwed hole of bench cant beam 30, if offer on bench cant beam 30 is counter sink, what step plate 40 was offered relatively is screwed hole, then bolt 50 can initially pass through the counter sink of bench cant beam 30, is then passed through the screwed hole of step plate 40.Additionally, in order to ensure the connective stability of step plate 40 and bench cant beam 30, step plate 40 and bench cant beam 30 contact portion offer multiple counter sink, accordingly, the corresponding each counter sink of bench cant beam 30 offers screwed hole, and bolt 50 sequentially passes through counter sink and the screwed hole of bench cant beam 30 of step plate 40.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; rather than the restriction to this utility model protection domain; although this utility model has been made to explain by this detailed description of the invention part; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. prefabrication and assembly construction stringer type stairway, it is characterized in that, including the bench cant beam being obliquely installed and multiple step plate, the upper surface of described bench cant beam is hierarchic structure, the bottom lower surface of bench cant beam and top lower surface level respectively, and the bottom lower surface of bench cant beam is fixed in contiguous floors the pedestal being below floor, the top lower surface of bench cant beam is fixed in adjacent corridor the pedestal being in top floor；Described step plate is L-type structure, and adjacent step plate head and the tail contact successively and coordinate and are placed on bench cant beam upper surface, and each step plate removably connects with bench cant beam.
Prefabrication and assembly construction stringer type stairway the most according to claim 1, it is characterized in that, multiple step plates are sequentially arranged in bench cant beam upper surface from top to bottom, and between adjacent step plate, it is in the upper surface being pressed in bench cant beam under the bottom end face of upper step plate, is in the top side end face side pressure of lower step plate in the bottom sides being in upper step plate.
Prefabrication and assembly construction stringer type stairway the most according to claim 2, it is characterized in that, the bottom sides of described step plate vertically offers counter sink, on described bench cant beam, the counter sink position relative to step plate offers screwed hole, the counter sink of screw bolt passes step plate, the screwed hole of bench cant beam, step plate is removably connected with bench cant beam, and bolt end face is without departing from the end face of step plate.
Prefabrication and assembly construction stringer type stairway the most according to claim 3, it is characterised in that between adjacent two step plates, is in the top side end face of lower step plate and blocks and be in the counter sink that upper step plate bottom sides is offered.
Prefabrication and assembly construction stringer type stairway the most according to claim 1, it is characterized in that, multiple step plates are sequentially arranged in bench cant beam upper surface from top to bottom, and between adjacent step plate, it is in the upper surface of the top side end face side pressure bench cant beam of lower step plate, is under the bottom end face of upper step plate and is pressed in the end face being in lower step plate.
Prefabrication and assembly construction stringer type stairway the most according to claim 5, it is characterized in that, the end face of described step plate vertically offers counter sink, on described bench cant beam, the counter sink position relative to step plate offers screwed hole, the counter sink of screw bolt passes step plate, the screwed hole of bench cant beam, step plate is removably connected with bench cant beam, and bolt end face is without departing from the end face of step plate.
Prefabrication and assembly construction stringer type stairway the most according to claim 6, it is characterised in that between adjacent two step plates, is in the bottom end face of upper step plate and blocks and be in the counter sink that lower step plate end face is offered.
8. according to the prefabrication and assembly construction stringer type stairway described in claim 3 or 4 or 6 or 7, it is characterised in that be filled with in the gap between described bolt and counter sink and the concrete of step plate either flush.
9., according to the prefabrication and assembly construction stringer type stairway according to any one of claim 1-7, it is characterised in that a length of 250-300mm of described step plate, height is 130-180mm.
10. according to the prefabrication and assembly construction stringer type stairway according to any one of claim 1-7, it is characterised in that described step plate selects concrete or plank to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120838.0U CN205476155U (en) | 2015-12-31 | 2015-12-31 | Prefabricated assembly beam type stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120838.0U CN205476155U (en) | 2015-12-31 | 2015-12-31 | Prefabricated assembly beam type stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205476155U true CN205476155U (en) | 2016-08-17 |
Family
ID=56662703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521120838.0U Active CN205476155U (en) | 2015-12-31 | 2015-12-31 | Prefabricated assembly beam type stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205476155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663882A (en) * | 2020-12-08 | 2021-04-16 | 中建西部建设股份有限公司 | Light and thin type beam type prefabricated staircase made of ultra-high performance concrete and forming process thereof |
-
2015
- 2015-12-31 CN CN201521120838.0U patent/CN205476155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663882A (en) * | 2020-12-08 | 2021-04-16 | 中建西部建设股份有限公司 | Light and thin type beam type prefabricated staircase made of ultra-high performance concrete and forming process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105178433A (en) | Precast concrete shear wall structure and construction method thereof | |
| CN204960038U (en) | Precast concrete shear wall structure | |
| CN203213591U (en) | Beam-free turbinate column cap structure template system | |
| CN105696788A (en) | Lifting elevator liftway formwork system | |
| CN209760787U (en) | post-cast strip supporting structure capable of being used in turnover mode | |
| CN104929294A (en) | Concrete composite plate with built-in cross hollow square steel pipes | |
| CN112982824B (en) | Notch steel beam with flange embedded into floor slab, floor slab structure and construction method | |
| CN205476155U (en) | Prefabricated assembly beam type stair | |
| CN219773324U (en) | Concrete beam plate structure | |
| CN202390760U (en) | Steel-wood composite bridge structure provided with perforated steel board connecting pieces | |
| CN210603860U (en) | Loading support for detecting structural performance of prefabricated staircase | |
| CN205024843U (en) | Joint construction of prestressing force hollow floor and H shaped steel roof beam | |
| CN217079457U (en) | A monospar formula reinforced concrete stair for in subway station | |
| CN210976057U (en) | Novel assembled vestibule of elevator is installed additional to energy-efficient outer wall | |
| CN210395626U (en) | Skeleton device for building with steel structure | |
| CN113622308A (en) | Bottle pier shaft and bent cap integration construction formwork | |
| CN202831629U (en) | Split mounting type steel-wood stair template | |
| CN211058113U (en) | PC prefabricated laminated board structure | |
| CN206220322U (en) | A kind of pre-stress floor | |
| CN206053364U (en) | Building construction hoist support meanss | |
| CN205894640U (en) | A safety protection and construction platform for construction of elevator well | |
| CN214738735U (en) | Frame construction is built in room convenient to installation | |
| CN203238771U (en) | Double-layer large-span girder hanging type lower layer girder structure | |
| CN214834407U (en) | Vestibule structure of assembled elevator well | |
| CN216007030U (en) | Steel column base concrete wrapping structure and steel frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |