CN208777595U - A kind of precast stair of stable structure - Google Patents

A kind of precast stair of stable structure Download PDF

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Publication number
CN208777595U
CN208777595U CN201821327713.9U CN201821327713U CN208777595U CN 208777595 U CN208777595 U CN 208777595U CN 201821327713 U CN201821327713 U CN 201821327713U CN 208777595 U CN208777595 U CN 208777595U
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China
Prior art keywords
stair
clinch
mounting plate
filled
platform
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CN201821327713.9U
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Chinese (zh)
Inventor
姜平
温学彬
王启丰
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Zhejiang Zhongtian Construction Industrialization Co Ltd
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Zhejiang Zhongtian Construction Industrialization Co Ltd
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Abstract

The utility model discloses a kind of precast stairs of stable structure, including stair ontology, upper mounting plate and lower platform, the stair ontology includes stair upper end clinch, pedal and stair lower end clinch, the upper mounting plate is provided with upper mounting plate clinch, the lower platform is provided with lower platform clinch, stair upper end clinch is provided with dovetail, the upper mounting plate is provided with dovetail groove corresponding with dovetail, the dovetail and dovetail groove are correspondingly arranged at least one, transverse slot is provided between the lower surface of stair upper end clinch and the upper surface of upper mounting plate clinch, and cement mortar is filled in transverse slot.The utility model construction technology is simple, shortens the duration, and construction quality is not limited by construction worker's technical level, and when installation is connected and fixed reliable, and has shockproof function.

Description

A kind of precast stair of stable structure
Technical field
The utility model relates to precast concrete construction field, the precast stair of specifically a kind of stable structure.
Background technique
Stair are the components in building as floor gap vertical transportation, for the friendship between floor and when height difference is larger Communications and liaison system, and stair are escape routes important when earthquake occurs, and the design of stair is in one important in Aseismic Design Hold, however, traditional concrete cast-in-situ stair construction method is outmoded, construction technology is cumbersome, seriously affect the duration, construction quality by The limitation of construction worker's technical level, it is unreliable that when installation, is connected and fixed, and does not have shockproof function.
Utility model content
The purpose of this utility model is to provide a kind of precast stairs of stable structure, to solve concrete in the prior art Cast-in-situ stair construction method is outmoded, and construction technology is cumbersome, seriously affects the duration, construction quality is by construction worker's technical level Limitation, it is unreliable that when installation, is connected and fixed, and does not have the problem of shockproof function.
To achieve the above object, the utility model provides the following technical solutions: a kind of precast stair of stable structure, including Stair ontology, upper mounting plate and lower platform, the stair ontology include stair upper end clinch, pedal and stair lower end clinch, The upper mounting plate is provided with upper mounting plate clinch, and the lower platform is provided with lower platform clinch, stair upper end clinch Be provided with dovetail, the upper mounting plate is provided with dovetail groove corresponding with dovetail, the dovetail with dovetail groove is corresponding sets It is equipped at least one, is provided with lateral seam between the lower surface of stair upper end clinch and the upper surface of upper mounting plate clinch Gap, and cement mortar is filled in transverse slot, vertical gap is provided between stair upper end clinch and upper mounting plate, and Polyphenyl materials are filled in vertical gap, and are provided with PE stick above polyphenyl materials, and the top of PE stick is filled with weather-proof close Sealing.
Preferably, the lower platform clinch is provided with pre-embedded bolt, and pre-embedded bolt is provided at least two, the building The position that terraced lower end clinch corresponds to pre-embedded bolt is provided with preformed hole, and pre-embedded bolt protrudes into preformed hole.
Preferably, transverse slot is provided between stair lower end clinch and the upper surface of lower platform clinch, and Cement mortar is filled in transverse slot.
Preferably, nut is installed, and the outer diameter of nut is greater than below nut in advance on the pre-embedded bolt in the preformed hole The diameter boxed out, and cement mortar is filled between the pre-embedded bolt and preformed hole below nut.
Preferably, it is provided with vertical gap between stair lower end clinch and lower platform, and is filled out in vertical gap PE stick is provided with filled with polyphenyl materials, and above polyphenyl materials, and the top of PE stick is filled with weather proofing sealant.
Compared with prior art, the utility model has the beneficial effects that construction technology is simple, the duration is shortened, matter of constructing Amount limit by construction worker's technical level, when installation be connected and fixed it is reliable, and with shockproof function.
(1) for the utility model by being provided with dovetail in stair upper end clinch, upper mounting plate setting is corresponding with dovetail Dovetail groove, dovetail and dovetail groove are correspondingly arranged at least one, by the cooperation of dovetail and dovetail groove, make prefabricated building Terraced mounting structure is reliable, keeps construction technology simple, shortens the duration, and when installation is connected and fixed reliable.
(2) the utility model between the lower surface of stair upper end clinch and the upper surface of upper mounting plate clinch by setting It is equipped with transverse slot, and is filled with cement mortar in transverse slot, cement mortar is used to levelling herein, guarantees stair upper end overlap joint Portion is horizontal, vertical gap is provided between stair upper end clinch and upper mounting plate, and be filled with polyphenyl materials in vertical gap, and PE stick is provided with above polyphenyl materials, and the top of PE stick is filled with weather proofing sealant, polyphenyl materials have elasticity, earthquake When, there is precast stair certain function of seismic resistance to fill polyphenyl materials, and precast stair is made to have certain function of seismic resistance.
(3) utility model between stair lower end clinch and lower platform by being provided with vertical gap, and vertical seam It is filled with polyphenyl materials in gap, polyphenyl materials have elasticity, and when earthquake, precast stair has certain function of seismic resistance, and polyphenyl PE stick is provided with above material, and the top of PE stick is filled with weather proofing sealant, has the function of waterproof anti-corrosion, effectively Protect precast stair.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the precast stair of stable structure of the utility model;
Fig. 2 is a kind of structural schematic diagram of the stair upper end clinch of precast stair of stable structure of the utility model;
Fig. 3 is a kind of structural schematic diagram of the stair lower end clinch of precast stair of stable structure of the utility model.
In figure: 1, stair ontology;11, stair upper end clinch;111, dovetail;12, pedal;13, stair lower end overlaps Portion;131, preformed hole;2, upper mounting plate;21, upper mounting plate clinch;22, dovetail groove;3, lower platform;31, lower platform clinch;4, Pre-embedded bolt;5, cement mortar;6, nut;7, polyphenyl materials;8, PE stick;9, weather proofing sealant.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1, Fig. 2 and Fig. 3, in the utility model embodiment, a kind of precast stair of stable structure, including stair Ontology 1, upper mounting plate 2 and lower platform 3, stair ontology 1 include stair upper end clinch 11, pedal 12 and stair lower end clinch 13, upper mounting plate 2 is provided with upper mounting plate clinch 21, and lower platform 3 is provided with lower platform clinch 31, and lower platform clinch 31 is arranged There is pre-embedded bolt 4, and pre-embedded bolt 4 is provided at least two, the position of the corresponding pre-embedded bolt 4 of stair lower end clinch 13 is all provided with It is equipped with preformed hole 131, and pre-embedded bolt 4 protrudes into preformed hole 131, nut 6 is installed on the pre-embedded bolt 4 in preformed hole 131, and The outer diameter of nut 6 is greater than the diameter of 6 lower section preformed hole 131 of nut, and between the pre-embedded bolt 4 and preformed hole 131 of 6 lower section of nut Filled with cement mortar 5, the outer diameter of nut 6 is less than the diameter of the preformed hole 131 of the top of nut 6, and 6 top preformed hole of nut Cement mortar 5 is filled in 131, cement mortar 5 is used to block preformed hole 131, stair lower end clinch 13 and lower platform herein It is provided with transverse slot between the upper surface of clinch 31, and is filled with cement mortar 5 in transverse slot, herein cement mortar 5 For levelling, guarantee stair lower end clinch 13 is horizontal, and stair upper end clinch 11 is provided with dovetail 111, and upper mounting plate 2 is arranged There is dovetail groove 22 corresponding with dovetail 111, dovetail 111 and dovetail groove 22 are correspondingly arranged at least one, pass through dovetail The cooperation of tenon 111 and dovetail groove 22 keeps precast stair mounting structure reliable, the lower surface of stair upper end clinch 11 and upper mounting plate It is provided with transverse slot between the upper surface of clinch 21, and is filled with cement mortar 5 in transverse slot, herein cement mortar 5 For levelling, guarantee stair upper end clinch 11 is horizontal, is provided with vertical seam between stair upper end clinch 11 and upper mounting plate 2 Gap, and polyphenyl materials 7 are filled in vertical gap, and the top of polyphenyl materials 7 is provided with PE stick 8, and the top filling of PE stick 8 There is a weather proofing sealant 9, polyphenyl materials 7 have elasticity, and when earthquake, precast stair has certain function of seismic resistance, and stair lower end is taken It is provided with vertical gap between socket part 13 and lower platform 3, and is filled with polyphenyl materials 7 in vertical gap, polyphenyl materials 7 have Elasticity, when earthquake, precast stair has certain function of seismic resistance, and the top of polyphenyl materials 7 is provided with PE stick 8, and PE stick 8 Top is filled with weather proofing sealant 9, has the function of waterproof anti-corrosion, is effectively protected precast stair.
The working principle of the utility model is: filling water in the upper surface of upper mounting plate clinch 21 and lower platform clinch 31 Cement mortar 5 is levelling, and precast stair is lifted to by position to be mounted, preformed hole 131 is aligned to the top of pre-embedded bolt 4, together When guarantee dovetail 111 be aligned dovetail groove 22 top so that pre-embedded bolt 4 is mounted on preformed hole by precast stair to decentralization 131, while dovetail 111 is mounted in dovetail groove 22, the filling concrete mortar 5 in preformed hole 131, fixed pre-embedded bolt 4, peace Loading nut 6 continues to fill up cement mortar 5, makes cement mortar 5 full of preformed hole 131, clinch 11 and upper mounting plate in stair upper end Polyphenyl materials 7 are filled in vertical gap between 2, PE stick 8 are installed in the top of polyphenyl materials 7, filling is resistance in the top of PE stick 8 Sealant 9 is waited, polyphenyl materials 7 are filled in the vertical gap between stair lower end clinch 13 and lower platform 3, in polyphenyl material PE stick 8 is installed in the top of material 7, fills weather proofing sealant 9 in the top of PE stick 8.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of precast stair of stable structure, including stair ontology (1), upper mounting plate (2) and lower platform (3), the stair sheet Body (1) includes stair upper end clinch (11), pedal (12) and stair lower end clinch (13), and the upper mounting plate (2) is provided with Upper mounting plate clinch (21), the lower platform (3) are provided with lower platform clinch (31), it is characterised in that: the stair upper end Clinch (11) is provided with dovetail (111), and the upper mounting plate (2) is provided with dovetail groove (22) corresponding with dovetail (111), The dovetail (111) and dovetail groove (22) are correspondingly arranged at least one, the following table of stair upper end clinch (11) It is provided with transverse slot between face and the upper surface of upper mounting plate clinch (21), and is filled with cement mortar (5) in transverse slot, It is provided with vertical gap between stair upper end clinch (11) and upper mounting plate (2), and is filled with polyphenyl material in vertical gap Expect (7), and be provided with PE stick (8) above polyphenyl materials (7), and the top of PE stick (8) is filled with weather proofing sealant (9).
2. a kind of precast stair of stable structure according to claim 1, it is characterised in that: the lower platform clinch (31) it is provided with pre-embedded bolt (4), and pre-embedded bolt (4) is provided at least two, stair lower end clinch (13) is corresponding The position of pre-embedded bolt (4) is provided with preformed hole (131), and pre-embedded bolt (4) protrudes into preformed hole (131).
3. a kind of precast stair of stable structure according to claim 2, it is characterised in that: stair lower end clinch (13) it is provided with transverse slot between the upper surface of lower platform clinch (31), and is filled with cement mortar in transverse slot (5)。
4. a kind of precast stair of stable structure according to claim 3, it is characterised in that: in the preformed hole (131) Pre-embedded bolt (4) on be equipped with nut (6), and the outer diameter of nut (6) be greater than nut (6) below preformed hole (131) diameter, And cement mortar (5) are filled between the pre-embedded bolt (4) below nut (6) and preformed hole (131).
5. a kind of precast stair of stable structure according to claim 4, it is characterised in that: the outer diameter of the nut (6) Less than the diameter of the preformed hole (131) of the top of nut (6), and cement mortar is filled with above nut (6) in preformed hole (131) (5)。
6. a kind of precast stair of stable structure described in any one in -5 according to claim 1, it is characterised in that: described It is provided with vertical gap between stair lower end clinch (13) and lower platform (3), and is filled with polyphenyl materials in vertical gap (7), it and above polyphenyl materials (7) is provided with PE stick (8), and the top of PE stick (8) is filled with weather proofing sealant (9).
CN201821327713.9U 2018-08-17 2018-08-17 A kind of precast stair of stable structure Active CN208777595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821327713.9U CN208777595U (en) 2018-08-17 2018-08-17 A kind of precast stair of stable structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821327713.9U CN208777595U (en) 2018-08-17 2018-08-17 A kind of precast stair of stable structure

Publications (1)

Publication Number Publication Date
CN208777595U true CN208777595U (en) 2019-04-23

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Application Number Title Priority Date Filing Date
CN201821327713.9U Active CN208777595U (en) 2018-08-17 2018-08-17 A kind of precast stair of stable structure

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512746A (en) * 2019-08-20 2019-11-29 山东广发建材制品有限公司 A kind of split type built-in fitting of precast stair and its application method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512746A (en) * 2019-08-20 2019-11-29 山东广发建材制品有限公司 A kind of split type built-in fitting of precast stair and its application method

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