CN204456693U - A kind of steel work stringer type stairway slidably hinged-support of deck type step plate - Google Patents
A kind of steel work stringer type stairway slidably hinged-support of deck type step plate Download PDFInfo
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- CN204456693U CN204456693U CN201420808729.7U CN201420808729U CN204456693U CN 204456693 U CN204456693 U CN 204456693U CN 201420808729 U CN201420808729 U CN 201420808729U CN 204456693 U CN204456693 U CN 204456693U
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Abstract
The utility model relates to a kind of steel work stringer type stairway slidably hinged-support of deck type step plate.The utility model comprises upper floor armored concrete slab, lower floor's flooring armored concrete slab, to be fixed on upper floors beam and the upper strata ladder way steel side bar of bearing as upper floor armored concrete slab, to be fixed on lower floor beam and lower floor's ladder way steel side bar of bearing as lower floor's flooring armored concrete slab, to mark time steel plate, steel stair beam and the vertical end plate of steel ladder beam, be characterized in: also comprise pre-embedded steel slab and the horizontal end plate of steel ladder beam, described pre-embedded steel slab is fixed on lower floor's flooring armored concrete slab, the horizontal end plate of described steel ladder beam is fixed on the end opening of steel stair beam, the horizontal end plate of this steel ladder beam is shelved on pre-embedded steel slab.The utility model not only can cut off the bang path of stair to the horizontal internal force of floor gap, ensures the reliable delivery of the vertical force of bench own, and can adjust the alignment error of construction stage stair.
Description
Technical field
The utility model relates to a kind of steel work stringer type stairway slidably hinged-support of deck type step plate, be mainly used in building engineering field, be applicable to need to arrange the specific position be slidably articulated and connected between the beam type steel stair that steel work main body and step plate are held, such as: adopt steel work multilayer, the highrise building of frame construction, and the high level of steel-concrete combined structure, the node that is slidably articulated and connected of floor gap stringer type stairway in super highrise building.
Background technology
Adopting the multi-story and high-rise building of steel structure frame form of structure, and adopting in the high level of steel-concrete combined structure form, super highrise building, for meeting fire-fighting evacuation and the requirement that uses such as traffic up and down, stair need be set at floor gap.This type of building, when carrying out structure design, for avoiding the earthquake diagonal brace stress that has upper and lower floor gap of the gangboard of stair and terraced beam on, can be set to slidably articulated form by between terraced beam and flooring.Namely require that this Joint's connection fabrication can ensure the vertical displacement constraints of terraced beam, and discharge the rotational restraint condition of terraced beam and level to constraints, thus reach clear and definite Path of Force Transfer, design idea that simplified model calculates, reducings the construction costs.
This category node is not adopted in traditional structural design conventional at present.If model does not consider that staircase component is on integrally-built impact in calculating, then computation model does not meet the practical working situation of structure; If consider during model calculates, staircase component is on integrally-built impact, then amount of calculation will significantly increase; Also may cause the unreasonable of structural system, and actual seismic effect go downstairs badly damaged, hinder the safe passing of personnel.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, performance safety is reliable, not only can cut off the bang path of stair to the horizontal internal force of floor gap, ensure the reliable delivery of bench vertical force own, and the steel work stringer type stairway slidably hinged-support of deck type step plate of alignment error of construction stage stair can be adjusted.
The technical scheme in the invention for solving the above technical problem is: the steel work stringer type stairway of this deck type step plate slidably hinged-support comprises upper floor armored concrete slab, lower floor's flooring armored concrete slab, to be fixed on upper floors beam and the upper strata ladder way steel side bar of bearing as upper floor armored concrete slab, to be fixed on lower floor beam and lower floor's ladder way steel side bar of bearing as lower floor's flooring armored concrete slab, to mark time steel plate, steel stair beam and the vertical end plate of steel ladder beam, the vertical end plate of described steel ladder beam is fixed on the suitable for reading of steel stair beam, the vertical end plate of this steel ladder beam and upper strata ladder way steel side bar are fixed, the described top flange of Interal fixation at steel stair beam of marking time, described steel ladder beam is encorbelmented to mark time and is fixed on the lower end of steel stair beam, its design feature is: also comprise pre-embedded steel slab and the horizontal end plate of steel ladder beam, described pre-embedded steel slab is fixed on lower floor's flooring armored concrete slab, the horizontal end plate of described steel ladder beam is fixed on the end opening of steel stair beam, the horizontal end plate of this steel ladder beam is shelved on pre-embedded steel slab.
As preferably, the utility model also comprises upper floor building coats, lower floor's flooring building coats and flooring building coats of marking time, described upper floor building coats is positioned on upper floor armored concrete slab, described lower floor flooring building coats is positioned on lower floor's flooring armored concrete slab, described in flooring building coats of marking time be positioned at and mark time on steel plate.
As preferably, the utility model also comprises lubricating layer, and described lubricating layer is between the horizontal end plate of steel ladder beam and pre-embedded steel slab.
As preferably, the vertical end plate of steel ladder beam described in the utility model and upper strata ladder way steel side bar adopt frictional high-strength bolts to fix.
As preferably, Plate Welding of marking time described in the utility model is fixed on the top flange of steel stair beam.
The utility model compared with prior art, have the following advantages and effect: slidably hinged-support is by arranging special tectonic measure at terraced beam and floor connected node position, not only can cut off the bang path of stair to the horizontal internal force of floor gap, and ensure the reliable delivery of the vertical force of bench own, the alignment error of construction stage stair can also be adjusted, thus no longer need to consider that staircase component is on integrally-built impact in model computational process, make model calculate actual the obtaining with engineering and unify.The utility model is mainly used in steel structure frame structure and steel-concrete combined structure, the slidably hinged joint way of the beam type steel stair that step plate holds and flooring junction is safe and reliable, economical rationality, there is good engineering significance and application prospect, facts have proved that the utility model has following engineering characteristic: 1) this node way had both been applicable to the terraced joist steel stair of the little list in stair cross section, be applicable to again the two terraced joist steel stair that stair cross section is wider, load is larger; 2) steel ladder beam, end opening hinged with floor structure suitable for reading and floor structure slidably hinged, both achieved the reliable delivery of the internal force of bench own, effectively cut off again the diagonal brace impact of floor gap, clearly stressed; 3) node has deformability of sliding preferably; 4) steel ladder associated components prefabrication can be adopted to carry out the construction technology of on-site consolidation again in construction, site operation difficulty can be reduced preferably, shorten the site operation duration; 5) by completing the installation of bench stage by stage, the initial internal force because work progress, alignment error cause can be reduced preferably, improve structure actual forced status; 6) with terraced beam two ends consolidation or compared with being articulated and connected, effectively installation difficulty can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the steel work stringer type stairway slidably hinged-support of deck type step plate in the utility model embodiment.
Fig. 2 is the cross-sectional view in A-A face in Fig. 1.
Fig. 3 is the cross-sectional view in B-B face in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1 to Fig. 3, the steel work stringer type stairway of the present embodiment deck type step plate slidably hinged-support comprises upper floor armored concrete slab 1, lower floor's flooring armored concrete slab 2, upper strata ladder way steel side bar 3, pre-embedded steel slab 4, to mark time steel plate 5, steel stair beam 6, the vertical end plate 7 of steel ladder beam, the horizontal end plate 8 of steel ladder beam, steel ladder beam is encorbelmented and is marked time 9, frictional high-strength bolts 10, upper floor building coats 11, lower floor's flooring building coats 12, to mark time flooring building coats 13, lower floor's ladder way steel side bar 14 and lubricating layer, wherein, lubricating layer is generally the sliding agent of filling, as graphite powder.
Upper strata ladder way steel side bar 3 in the present embodiment is fixed on upper floors beam, and as the bearing of upper floor armored concrete slab 1, lower floor's ladder way steel side bar 14 is fixed on lower floor beam, and as the bearing of lower floor's flooring armored concrete slab 2, this is common practise to those skilled in the art.The vertical end plate of steel ladder beam 7 in the present embodiment is fixed on the suitable for reading of steel stair beam 6, and the vertical end plate 7 of steel ladder beam and upper strata ladder way steel side bar 3 adopt frictional high-strength bolts 10 to fix, and steel plate 5 of marking time is weldingly fixed on the top flange of steel stair beam 6.Pre-embedded steel slab 4 in the present embodiment is fixed on lower floor's flooring armored concrete slab 2, and the horizontal end plate 8 of steel ladder beam is fixed on the end opening of steel stair beam 6, and the horizontal end plate 8 of this steel ladder beam is shelved on pre-embedded steel slab 4.The vertical end plate of steel ladder beam 7 in the utility model is vertical shape structure, the horizontal structure of the horizontal end plate of steel ladder beam 8.
Upper floor building coats 11 is positioned on upper floor armored concrete slab 1, and lower floor's flooring building coats 12 is positioned on lower floor's flooring armored concrete slab 2, and flooring building coats 13 of marking time is positioned at marks time on steel plate 5.Steel ladder beam is encorbelmented 9 lower ends being fixed on steel stair beam 6 of marking time.Lubricating layer is between the horizontal end plate 8 of steel ladder beam and pre-embedded steel slab 4.
The steel work stringer type stairway of the deck type step plate in the present embodiment slidably hinged-support in steel structure frame structure and steel-concrete combined structure, the slidably hinged joint way of the beam type steel stair that step plate holds and flooring junction, mainly contain beam type steel stair and floor structure two large divisions composition that step plate holds, wherein, the beam type steel stair that step plate holds mainly forms component to be had: steel plate 5 of marking time, steel stair beam 6, the vertical end plate 7 of steel ladder beam, the horizontal end plate 8 of steel ladder beam and steel ladder beam are encorbelmented and are marked time 9, floor structure mainly forms component to be had: upper floor armored concrete slab 1, lower floor's flooring armored concrete slab 2, upper strata ladder way steel side bar 3, lower floor's ladder way steel side bar 14, frictional high-strength bolts 10 and pre-embedded steel slab 4.Steel plate 5 of marking time bending is placed on the top flange of steel stair beam 6, welds between the two.Mark time on steel plate 5 and require to arrange surface layer according to architectural discipline.Steel stair beam 6 suitable for reading by adopting frictional high-strength bolts 10 to be connected between the vertical end plate 7 of steel ladder beam with upper strata ladder way steel side bar 3.The end opening of steel stair beam 6 is shelved on the pre-embedded steel slab 4 on lower floor's flooring armored concrete slab 2 by the horizontal end plate 8 of steel ladder beam, fill sliding agent (graphite powder) at the horizontal end plate of steel ladder beam 8 and the contact surface up and down of pre-embedded steel slab 4, both guarantees in level to being free to slide.Steel ladder beam is encorbelmented to mark time and 9 to be thrown off as the extension of stair and floor structure.Upper strata ladder way steel side bar 3 and upper floor armored concrete slab 1 and lower floor's flooring armored concrete slab 2 is first completed in work progress, and bury pre-embedded steel slab 4 underground at the upper surface of lower floor's flooring armored concrete slab 2 corresponding with terraced beam, then steel stair beam 6 is installed, again steel plate 5 of marking time is installed, after floor structure has been constructed, lays building coats.Pre-embedded steel slab 4 and steel ladder beam horizontal end plate 8 require to adopt has the steel of better hardness and anti-wear performance to make.
In addition, it should be noted that, the specific embodiment described in this manual, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this manual is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (5)
1. the steel work stringer type stairway slidably hinged-support of a deck type step plate, comprise upper floor armored concrete slab, lower floor's flooring armored concrete slab, to be fixed on upper floors beam and the upper strata ladder way steel side bar of bearing as upper floor armored concrete slab, to be fixed on lower floor beam and lower floor's ladder way steel side bar of bearing as lower floor's flooring armored concrete slab, to mark time steel plate, steel stair beam and the vertical end plate of steel ladder beam, the vertical end plate of described steel ladder beam is fixed on the suitable for reading of steel stair beam, the vertical end plate of this steel ladder beam and upper strata ladder way steel side bar are fixed, the described top flange of Interal fixation at steel stair beam of marking time, described steel ladder beam is encorbelmented to mark time and is fixed on the lower end of steel stair beam, it is characterized in that: also comprise pre-embedded steel slab and the horizontal end plate of steel ladder beam, described pre-embedded steel slab is fixed on lower floor's flooring armored concrete slab, the horizontal end plate of described steel ladder beam is fixed on the end opening of steel stair beam, the horizontal end plate of this steel ladder beam is shelved on pre-embedded steel slab.
2. the steel work stringer type stairway slidably hinged-support of deck type step plate according to claim 1, it is characterized in that: also comprise upper floor building coats, lower floor's flooring building coats and flooring building coats of marking time, described upper floor building coats is positioned on upper floor armored concrete slab, described lower floor flooring building coats is positioned on lower floor's flooring armored concrete slab, described in flooring building coats of marking time be positioned at and mark time on steel plate.
3. the steel work stringer type stairway slidably hinged-support of deck type step plate according to claim 1, is characterized in that: also comprise lubricating layer, and described lubricating layer is between the horizontal end plate of steel ladder beam and pre-embedded steel slab.
4. the steel work stringer type stairway slidably hinged-support of deck type step plate according to claim 1, is characterized in that: the vertical end plate of described steel ladder beam and upper strata ladder way steel side bar adopt frictional high-strength bolts to fix.
5. the steel work stringer type stairway slidably hinged-support of the deck type step plate according to the arbitrary claim of claim 1-4, is characterized in that: described in Plate Welding of marking time be fixed on the top flange of steel stair beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420808729.7U CN204456693U (en) | 2014-12-19 | 2014-12-19 | A kind of steel work stringer type stairway slidably hinged-support of deck type step plate |
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| CN201420808729.7U CN204456693U (en) | 2014-12-19 | 2014-12-19 | A kind of steel work stringer type stairway slidably hinged-support of deck type step plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040919A (en) * | 2015-08-13 | 2015-11-11 | 刘文海 | Precast stair and production method thereof |
| CN105672591A (en) * | 2016-04-12 | 2016-06-15 | 福州大学 | Existing reinforced concrete plate type stair aseismatic reconstruction structure and construction technology |
| CN106097876A (en) * | 2016-08-08 | 2016-11-09 | 江苏建筑职业技术学院 | Board-like concrete stair structure model and manufacture method |
| CN106284877A (en) * | 2016-08-05 | 2017-01-04 | 成都市第四建筑工程公司 | Assembled stair and installation method thereof |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
| CN113089949A (en) * | 2021-04-12 | 2021-07-09 | 陕西省建筑设计研究院(集团)有限公司 | Construction method of concrete main body structure assembled sliding steel stair |
| CN113266117A (en) * | 2021-05-06 | 2021-08-17 | 浙江省建工集团有限责任公司 | Assembled concrete beam type stair and installation method thereof |
-
2014
- 2014-12-19 CN CN201420808729.7U patent/CN204456693U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040919A (en) * | 2015-08-13 | 2015-11-11 | 刘文海 | Precast stair and production method thereof |
| CN105672591A (en) * | 2016-04-12 | 2016-06-15 | 福州大学 | Existing reinforced concrete plate type stair aseismatic reconstruction structure and construction technology |
| CN106284877A (en) * | 2016-08-05 | 2017-01-04 | 成都市第四建筑工程公司 | Assembled stair and installation method thereof |
| CN106097876A (en) * | 2016-08-08 | 2016-11-09 | 江苏建筑职业技术学院 | Board-like concrete stair structure model and manufacture method |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
| CN112982852B (en) * | 2021-02-26 | 2022-11-15 | 全学友 | Steel-concrete combined assembled stair section |
| CN113089949A (en) * | 2021-04-12 | 2021-07-09 | 陕西省建筑设计研究院(集团)有限公司 | Construction method of concrete main body structure assembled sliding steel stair |
| CN113266117A (en) * | 2021-05-06 | 2021-08-17 | 浙江省建工集团有限责任公司 | Assembled concrete beam type stair and installation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Patentee after: United Engineers Ltd in China Address before: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Patentee before: China Lianhe Engineering Co., Ltd., China |
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| CP01 | Change in the name or title of a patent holder |