CN216893223U - Sectional type single-race stair - Google Patents
Sectional type single-race stair Download PDFInfo
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- CN216893223U CN216893223U CN202123229206.6U CN202123229206U CN216893223U CN 216893223 U CN216893223 U CN 216893223U CN 202123229206 U CN202123229206 U CN 202123229206U CN 216893223 U CN216893223 U CN 216893223U
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Abstract
The utility model discloses a sectional type single-run stair which comprises an upper stair section, a lower stair section and a stair beam for connecting and supporting the upper stair section and the lower stair section, wherein the upper stair section and the lower stair section respectively comprise a stair plate and a plurality of steps arranged on a pedal, the stair plate comprises a first connecting part positioned at the upper end and a second connecting part positioned at the lower end, the stair beam is provided with a horizontally arranged supporting surface, the second connecting part of the upper stair section and the first connecting part of the lower stair section are supported on the supporting surface and butted against each other, and the stair beam is provided with a positioning mechanism for preventing the first connecting part of the lower stair section from moving along the supporting surface. The utility model adopts transverse segmentation, has good installation stability, is convenient for transportation and installation, reduces the risk of site construction and improves the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a sectional type single-run stair.
Background
The prefabricated staircase solves the defects of difficult construction, long construction period, large potential safety hazard and the like of the traditional cast-in-place staircase, can be effectively utilized in a cast-in-place structure or an assembly type building, but has complex structure, is one of the components with the largest dead weight in the assembly type building, needs large-scale transportation equipment and hoisting equipment with large tonnage, increases the construction cost and also increases the construction risk on site. In order to reduce the dead weight of a stair structure, a scheme of segmenting and segmenting the stair is generally adopted, wherein the stair is most effective and reliable by adopting a transverse segmenting method to set stair beam and stair posts, however, most of the existing transverse segmenting schemes have the problem that the structures of an upper stair section and a lower stair section after the stair is segmented are not consistent, the structure of a cast-in-place stair beam is complex and is not beneficial to on-site formwork support and pouring, and the connection arrangement of the upper stair section and the lower stair section needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a sectional type single-track stair which adopts transverse sections, is good in installation stability, convenient to transport and install, reduces the risk of site construction and improves the construction efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a sectional type single-race stair, includes ladder section, lower ladder section and is used for connecting and bearing go up the ladder section with the terraced roof beam of ladder section down, go up the ladder section with down the ladder section all includes the step and sets up a plurality of marking times on the step, the step is including the first connecting portion that are located the upper end and the second connecting portion that are located the lower extreme, be equipped with the holding surface that the level was arranged on the terraced roof beam, go up the second connecting portion of ladder section with the first connecting portion of ladder section all supports down and lean on the butt joint each other on the holding surface, be equipped with on the terraced roof beam and be used for preventing the positioning mechanism that the first connecting portion of ladder section removed along the holding surface down.
As a further improvement of the above technical solution:
positioning mechanism is including pre-buried in the terraced roof beam and the pre-buried connecting piece that upwards extends from the holding surface, the first connecting portion of lower bench is equipped with the connecting hole that vertically runs through, pre-buried connecting piece peg graft in the connecting hole.
An annular gap is formed between the inner wall of the connecting hole and the embedded connecting piece, and a first cement mortar filling layer is filled in the annular gap.
And a second cement mortar filling layer is filled between the first connecting part of the lower ladder section and the supporting surface.
Go up the second connecting portion of bench with be equipped with the polyphenyl filling layer down between the first connecting portion of bench, polyethylene rod has been buried underground in the polyphenyl filling layer, polyethylene rod's one end with go up the second connecting portion butt of bench, the other end with the first connecting portion butt of bench down.
The first connecting part comprises a tread panel and a kicking panel which is perpendicular to the tread panel, and the tread panel in the lower ladder section is supported on the supporting surface and is in surface contact with the supporting surface.
The second connecting portion include the supporting part of arranging along vertical direction, the supporting part is equipped with horizontal bottom surface and perpendicular to the vertical face that horizontal bottom surface set up, the horizontal bottom surface support in going up the bench is in on the holding surface and with holding surface face contact, vertical face in going up the bench with the first connecting portion of bench supports and leans on the butt joint down.
The upper ladder section and the lower ladder section are identical in structure and size.
The second connecting part is provided with a sliding hinge support used for installing the second connecting part on a structural foundation, the second connecting part of the upper stair section is connected to the supporting surface through the sliding hinge support, and the second connecting part of the lower stair section is connected to the lower floor through the sliding hinge support.
Compared with the prior art, the utility model has the advantages that:
the upper stair section and the lower stair section of the sectional type single-run stair can be prefabricated firstly and then installed, on-site wet operation can be reduced, the stair construction process is simplified, the stair construction efficiency is improved, the defects that the traditional cast-in-place stair is difficult to construct, the construction period is long and the like are overcome, large transportation equipment and large hoisting equipment are not needed in the building construction process, the construction cost is reduced, on-site construction risks are reduced, the construction efficiency is effectively improved, the stair beam is provided with the horizontally arranged supporting surface, the structural form is simple, and on-site formwork erecting pouring, maintenance and molding are facilitated; ladder and lower ladder section are gone up to the terraced roof beam and is used for connecting and the bearing, go up the terraced section and all including the first connecting portion that is located the upper end with the second connecting portion that is located the lower extreme with lower ladder section, the second connecting portion of going up the terraced section and the first connecting portion of lower ladder section all support on the holding surface and butt each other, the support of terraced section and lower ladder section is regarded as to the terraced roof beam simultaneously, and the advantages of having simple structure, easily assembly are equipped with the positioning mechanism who is used for preventing down the first connecting portion of terraced section and removes along the holding surface on the terraced roof beam, the second connecting portion that can prevent the terraced section after the first connecting portion installation location of lower ladder section is on the terraced roof beam removes along the holding surface, make the installation fixed requirement that terraced section and lower ladder section satisfied prefabricated stair, the installation stability is good.
Drawings
Fig. 1 is a front view schematically showing the construction of an upper step of a sectional type single-run staircase.
Fig. 2 is a schematic top view showing the upper flight of the sectional type single-run staircase.
Fig. 3 is a partial front view structure schematic diagram of a sectional type single-run stair.
Illustration of the drawings:
1. climbing a bench; 2. descending a bench; 3. a ladder beam; 31. a support surface; 32. pre-burying a connecting piece; 4. a step plate; 5. stepping; 6. a first connection portion; 61. a tread panel; 62. a riser panel; 7. a second connecting portion; 71. a horizontal bottom surface; 72. a vertical plane; 8. a polystyrene filling layer.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 3, the sectional type single-run stair of this embodiment, including last bench 1, lower bench 2 and be used for connecting and supporting the terraced roof beam 3 of going up bench 1 and lower bench 2, go up bench 1 and lower bench 2 and all include step 4 and a plurality of steps 5 of setting on step 4, step 4 is including the first connecting portion 6 that is located the upper end and the second connecting portion 7 that is located the lower extreme, be equipped with horizontally arranged's holding surface 31 on the terraced roof beam 3, the second connecting portion 7 of going up bench 1 and the first connecting portion 6 of lower bench 2 all support on holding surface 31 and lean on the butt joint each other, be equipped with the positioning mechanism that is used for preventing the first connecting portion 6 of lower bench 2 from moving along holding surface 31 on terraced roof beam 3. The upper stair section 1 and the lower stair section 2 of the sectional type single-race stair can be prefabricated firstly and then installed, on-site wet operation can be reduced, the stair construction process is simplified, the stair construction efficiency is improved, the defects that the traditional cast-in-place stair is difficult to construct, the construction period is long and the like are overcome, large transportation equipment and large hoisting equipment are not needed in the building construction process, the construction cost is reduced, on-site construction risks are reduced, the construction efficiency is effectively improved, the stair beam 3 is provided with the horizontally arranged supporting surface 31, the structural form is simple, and on-site formwork erecting pouring, maintenance and molding are facilitated; ladder beam 3 is used for connecting and bearing ladder section 1 and lower ladder section 2, go up ladder section 1 and lower ladder section 2 all including the first connecting portion 6 that is located the upper end and the second connecting portion 7 that is located the lower extreme, go up the second connecting portion 7 of ladder section 1 and the first connecting portion 6 of lower ladder section 2 and all support on holding surface 31 and mutual butt, ladder beam 3 is regarded as ladder section 1 and lower ladder section 2's support simultaneously, and the utility model has the advantages of simple structure, easily assembly, be equipped with the positioning mechanism who is used for preventing first connecting portion 6 of lower ladder section 2 and removes along holding surface 31 on ladder beam 3, can prevent second connecting portion 7 of going up ladder section 1 and remove along holding surface 31 after the first connecting portion 6 installation location of lower ladder section 2 is on ladder beam 3, make ladder section 1 and lower ladder section 2 satisfy prefabricated staircase's installation fixed requirement, and installation stability is good.
Preferably, the ladder beam 3 of the present embodiment is a rectangular cast-in-place ladder beam.
As shown in fig. 2, preferably, the positioning mechanism includes an embedded connector 32 embedded in the ladder beam 3 and extending upward from the supporting surface 31, the first connector 6 of the lower ladder section 2 is provided with a connecting hole penetrating vertically, and the embedded connector 32 is inserted into the connecting hole. In this embodiment, positioning mechanism adopts the form of pre-buried connecting piece 32 and connecting hole grafting, pre-buried connecting piece 32 is pre-buried in terraced roof beam 3 and upwards extends from holding surface 31, the connecting hole sets up on first connecting portion 6 of down terraced section 2, in the actual work progress, it is firm to utilize the pre-buried lifting nail in special rings and the lower terraced section 2 to be connected, adopt the tower crane to hoist, with the first connecting portion 6 handling of lower terraced section 2 to terraced roof beam 3 on, the staff adopts crowbar fine setting to rectify and makes the connecting hole aim at with pre-buried connecting piece 32, lower terraced section 2 slowly descends to take one's place, ensure that pre-buried connecting piece 32 pegs graft in the connecting hole, accomplish the location installation of first connecting portion 6 and terraced roof beam 3 of lower terraced section 2. The positioning mechanism has the advantages of simple structure, simple and convenient adjustment, easy assembly, good connection stability and low manufacturing cost.
Preferably, an annular gap is formed between the inner wall of the connecting hole and the embedded connecting piece 32, and a first cement mortar filling layer is filled in the annular gap. In this embodiment, be convenient for the installation of pre-buried connecting piece 32 and connecting hole, the diameter of the connecting hole of adoption is greater than pre-buried connecting piece 32's diameter, pre-buried connecting piece 32 pegs graft into the connecting hole after, be formed with annular gap between the inner wall of connecting hole and pre-buried connecting piece 32, fill first cement mortar filling layer in annular gap, on the one hand can fill the space and make 6 surfacing of first connecting portion 6 of lower flight 2 pleasing to the eye, on the other hand can prevent the within range removal of connecting hole of first connecting portion 6 of lower flight 2, further improve the location effect.
Preferably, a second cement mortar filling layer is filled between the first connecting portion 6 of the lower step 2 and the supporting surface 31. In this embodiment, the second cement mortar filling layer is filled between the first connecting portion 6 of the lower ladder section 2 and the supporting surface 31, so that the connecting strength between the first connecting portion 6 of the lower ladder section 2 and the ladder beam 3 can be improved.
Preferably, a polystyrene filling layer 8 is arranged between the second connecting portion 7 of the upper ladder section 1 and the first connecting portion 6 of the lower ladder section 2, a polyethylene rod (not shown in the figure) is embedded in the polystyrene filling layer 8, one end of the polyethylene rod is abutted to the second connecting portion 7 of the upper ladder section 1, and the other end of the polyethylene rod is abutted to the first connecting portion 6 of the lower ladder section 2. Make and form good sealed to and the elasticity buffering effect between upper ladder section 1 and lower ladder section 2, avoid both rigid contact.
Preferably, the first connection portion 6 comprises a tread panel 61 and a tread panel 62 arranged perpendicularly to the tread panel 61, the tread panel 61 in the lower flight 2 bearing on the support surface 31 and being in face contact with the support surface 31. In this embodiment, first connecting portion 6 is provided with tread panel 61 and playing surface panel 62 for the transition between the upper end of step 4 and the 5 of marking time is level and smooth, and structural style is simple, and tread panel 61 in lower ladder section 2 supports on holding surface 31 and with holding surface 31 face contact simultaneously, and the first connecting portion 6 of the lower ladder section 2 of being convenient for has simple structure, easily assembles, installs the good advantage of steadiness with the overlap joint of terraced roof beam 3. In this embodiment, step 5 includes a tread and a kick panel disposed perpendicular to the tread, and kick panel 62 is disposed perpendicular to the tread.
Preferably, the second connecting portion 7 includes a support portion arranged in a vertical direction, the support portion is provided with a horizontal bottom surface 71 and a vertical surface 72 disposed perpendicular to the horizontal bottom surface 71, the horizontal bottom surface 71 in the upper step 1 is supported on the support surface 31 and in surface contact with the support surface 31, and the vertical surface 72 in the upper step 1 abuts against the first connecting portion 6 of the lower step 2. In this embodiment, second connecting portion 7 includes the support column, the support column is equipped with horizontal bottom surface 71 and vertical face 72, go up second connecting portion 7 of bench 1 and the first connecting portion 6 of lower bench 2 and lean on the butt joint back, vertical face 72 constitutes the structural style the same with 5 steps with the top surface of tread panel 61 of lower bench 2 for the transition between second connecting portion 7 of going up bench 1 and the first connecting portion 6 of lower bench 2 is level and smooth, structural style is simple, and the device has the advantages of simple structure, easily assembly, the installation steadiness is good.
Preferably, the upper and lower flights 1 and 2 are identical in construction and size. In the embodiment, the upper stair section 1 and the lower stair section 2 are identical in structure and size, so that the mass production is facilitated, the construction cost is reduced, the weight of a single component of the stair is effectively reduced by 50%, and the construction efficiency is further improved.
Preferably, the second joint 7 is provided with a sliding hinge support for mounting the second joint 7 to the structural foundation, the second joint 7 of the upper ladder section 1 being connected to the support surface 31 by means of the sliding hinge support, and the second joint 7 of the lower ladder section 2 being connected to the lower storey by means of the sliding hinge support. In this embodiment, the second connecting portion 7 is installed on the structure foundation through the sliding hinge support, and the purpose is to enable the bench to generate certain displacement under the action of earthquake shearing force, eliminate the influence of the prefabricated scissors stair on the stress and rigidity of the main body structure under the action of earthquake, and improve the earthquake resistance. In this embodiment, the sliding hinge support is made of a teflon plate, and has the advantages of simple structure, strong adaptability, large bearing capacity, long service life, low price and the like.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described examples. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the utility model are to be considered as within the scope of the utility model.
Claims (9)
1. A sectional type single-run stair comprises an upper stair section (1), a lower stair section (2) and a stair beam (3) for connecting and supporting the upper stair section (1) and the lower stair section (2), it is characterized in that the upper ladder section (1) and the lower ladder section (2) both comprise a ladder board (4) and a plurality of steps (5) arranged on the ladder board (4), the ladder plate (4) comprises a first connecting part (6) at the upper end and a second connecting part (7) at the lower end, the ladder beam (3) is provided with a horizontally arranged supporting surface (31), the second connecting part (7) of the upper ladder section (1) and the first connecting part (6) of the lower ladder section (2) are supported on the supporting surface (31) and are abutted and butted with each other, and a positioning mechanism for preventing the first connecting part (6) of the lower ladder section (2) from moving along the supporting surface (31) is arranged on the ladder beam (3).
2. The segmented single-track stair according to claim 1, wherein the positioning mechanism comprises a pre-embedded connecting piece (32) which is pre-embedded in the stair beam (3) and extends upwards from the supporting surface (31), the first connecting portion (6) of the lower stair section (2) is provided with a connecting hole which penetrates vertically, and the pre-embedded connecting piece (32) is inserted into the connecting hole.
3. The segmented type single-track stair according to claim 2, wherein an annular gap is formed between the inner wall of the connecting hole and the embedded connecting piece (32), and a first cement mortar filling layer is filled in the annular gap.
4. Sectional type jogging staircase according to claim 1, characterized in that a second cement mortar filling layer is filled between the first connection (6) of the lower flight (2) and the support surface (31).
5. The segmented type single-track stair according to claim 1, wherein a polystyrene filling layer (8) is arranged between the second connecting portion (7) of the upper stair step (1) and the first connecting portion (6) of the lower stair step (2), a polyethylene rod is buried in the polystyrene filling layer (8), one end of the polyethylene rod is abutted to the second connecting portion (7) of the upper stair step (1), and the other end of the polyethylene rod is abutted to the first connecting portion (6) of the lower stair step (2).
6. The segmented sprint staircase according to claim 1, characterized in that the first connection (6) comprises a tread panel (61) and a tread panel (62) arranged perpendicularly to the tread panel (61), the tread panel (61) in the lower flight (2) bearing on the support surface (31) and being in face contact with the support surface (31).
7. The segmented sprint staircase according to claim 1, characterized in that the second connection (7) comprises a vertically arranged support provided with a horizontal bottom surface (71) and a vertical surface (72) arranged perpendicular to the horizontal bottom surface (71), the horizontal bottom surface (71) in the upper step (1) bearing on the support surface (31) and being in surface contact with the support surface (31), the vertical surface (72) in the upper step (1) abutting against the first connection (6) of the lower step (2).
8. Sectional type jogging stairs according to claim 1, characterized in that the upper flight (1) and the lower flight (2) are of the same structure and size.
9. Sectional type sprint staircase according to any of the claims 1-8, characterized in that the second connection (7) is provided with a sliding hinge bearing for mounting the second connection (7) to a structural foundation, by means of which sliding hinge bearing the second connection (7) of the upper ladder section (1) is connected to the support surface (31), and by means of which sliding hinge bearing the second connection (7) of the lower ladder section (2) is connected to the lower floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229206.6U CN216893223U (en) | 2021-12-21 | 2021-12-21 | Sectional type single-race stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229206.6U CN216893223U (en) | 2021-12-21 | 2021-12-21 | Sectional type single-race stair |
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| Publication Number | Publication Date |
|---|---|
| CN216893223U true CN216893223U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123229206.6U Active CN216893223U (en) | 2021-12-21 | 2021-12-21 | Sectional type single-race stair |
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| CN (1) | CN216893223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319750A (en) * | 2021-12-21 | 2022-04-12 | 湖南建工五建建筑工业化有限公司 | Sectional type single-race stair |
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2021
- 2021-12-21 CN CN202123229206.6U patent/CN216893223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319750A (en) * | 2021-12-21 | 2022-04-12 | 湖南建工五建建筑工业化有限公司 | Sectional type single-race stair |
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