CN204781679U - Winding stairs - Google Patents

Winding stairs Download PDF

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Publication number
CN204781679U
CN204781679U CN201520446624.6U CN201520446624U CN204781679U CN 204781679 U CN204781679 U CN 204781679U CN 201520446624 U CN201520446624 U CN 201520446624U CN 204781679 U CN204781679 U CN 204781679U
Authority
CN
China
Prior art keywords
butt joint
joint ring
winding stairs
connecting cylinder
step plate
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.)
Expired - Fee Related
Application number
CN201520446624.6U
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Chinese (zh)
Inventor
汪宇雄
李政
刘军
刘柏粦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Second Engineering Bureau Co Ltd
China Construction Electric Power Construction Co Ltd
Original Assignee
China Construction Second Engineering Bureau Co Ltd
China Construction Electric Power Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Second Engineering Bureau Co Ltd, China Construction Electric Power Construction Co Ltd filed Critical China Construction Second Engineering Bureau Co Ltd
Priority to CN201520446624.6U priority Critical patent/CN204781679U/en
Application granted granted Critical
Publication of CN204781679U publication Critical patent/CN204781679U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a winding stairs, winding stairs are located the inside that has the building, include: center post and flier, the flier includes: connecting portion, connecting portion comprise connecting cylinder, first butt joint ring sum second butt joint ring, the top at the connecting cylinder is fixed to first butt joint ring, the bottom at the connecting cylinder is fixed to second butt joint ring, the platform portion of marking time, the one end and the connecting cylinder fixed connection of the platform portion of marking time. The utility model discloses a winding stairs's construction is carried out to the mode of the prefabricated and well stem stem cast in situs of flier. The construction quality of winding stairs flier at the prefabricated place plate moulding of marking time, is guaranteed to the prefabricated flier of construction earlier. Then assemble the shaping in the winding stairs normal position step by step with the flier, can effectively sparingly be under construction space and reduction site operations volume. Pour the shaping of winding stairs center post to stair at last. Winding stairs waters the construction after can be wholly, avoids the crucial circuit of factory building structure construction, saves structure construction period.

Description

A kind of winding stairs
Technical field
The utility model belongs to building stair building technology field, particularly relates to a kind of winding stairs.
Background technology
Spiral stairs is commonly referred to spirality or winding stairs, normally arranges around a single-column.Because its streamline is handsome in appearance, elegant, save space and welcome.Spiral stairs save space, if space is smaller, in general, the dimension of opening of spiral stairs is minimum can reach 1300*1300MM, or 1400*1100MM, and the stress point of spiral stairs only has one, i.e. center stressed.
Screw concrete formula stair are one of personnel channels of nuclear power station, and this structure comprises step plate and central post.Step plate is encorbelmented on central post, adjacent two-stage stepping offset angular 4 degree; Each layer Construction Support support body need meet the demand of step plate mounting arrangements angle about 270 °.
Because screw concrete formula stair to be configured in existed building independently structural system, with perimeter walls plated construction substantially without being connected, conventional construction mode is difficult to carry out step plate plate moulding and arrangement construction in position, cannot build winding stairs smoothly.
Utility model content
The purpose of this utility model is to provide a kind of winding stairs, is difficult to carry out step plate plate moulding and arrangement construction in position, cannot builds the technical problem of winding stairs smoothly to solve conventional construction mode.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of winding stairs, and described winding stairs is positioned at the inside of existing building; It comprises:
Central post, one end of described central post is fixedly connected with the ground of existing building;
Step plate, described step plate comprises: connecting portion, and described connecting portion is made up of connecting cylinder, the first butt joint ring and the second butt joint ring; Described first butt joint ring is fixed on the top of described connecting cylinder; Described second butt joint ring is fixed on the bottom of described connecting cylinder; To mark time platform part, described in mark time one end of platform part be fixedly connected with described connecting cylinder;
The connecting portion of described step plate is enclosed within the outside of described central post, and is fixedly connected with described central post; In two adjacent step plates, the second butt joint ring being positioned at top step plate is fixedly connected with the first butt joint ring being positioned at below step plate; The platform part of marking time of step plate is connected setting or the setting that keeps at a certain distance away from the bottom to top successively along described central post, forms the stair risen continuously.
The utility model winding stairs as above, further, described central post is made up of reinforcing bar and concreting.
The utility model winding stairs as above, further, described first butt joint ring and the second butt joint ring include: butt joint ring body; Reinforcing bar, the quantity of described reinforcing bar is many, and one end of reinforcing bar is welded on the side of described butt joint ring body; Described reinforcing bar is embedded in described connecting cylinder.
The utility model winding stairs as above, further, described in platform part of marking time be sector structure.
The utility model winding stairs as above, further, the connecting cylinder of step plate is formed by concrete formed by integrally casting with platform of marking time.
The utility model winding stairs as above, further, the reinforcing bar of described connecting cylinder inside has external part, for the bar connecting with central post.
The utility model winding stairs as above, further, also comprises half space, and described half space is fixedly connected with central post, and half space is also fixedly connected with existed building in addition.
The beneficial effects of the utility model are:
The utility model adopts the mode of the prefabricated and middle stem stem cast in situs of step plate, carries out the construction of winding stairs.First to construct prefabricated step plate, carry out marking time plate moulding in prefabricated place, guarantee the construction quality of winding stairs step plate.Then in winding stairs original position by step plate assembled formation step by step, effectively can save construction space and reduce field operation amount.Finally build winding stairs central post shaping to stair.Winding stairs can water construction after entirety, avoids the critical circuits of mill construction construction, saves the structure construction duration.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present utility model and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the utility model, wherein:
Fig. 1 is the schematic diagram that the winding stairs of a kind of embodiment of the utility model is arranged in existed building;
Fig. 2 is that schematic diagram arranged by the adjacent step plate of a kind of embodiment of the utility model;
Fig. 3 is the step plate schematic diagram of a kind of embodiment of the utility model;
Fig. 4 is another view of Fig. 3;
Fig. 5 is the first butt joint ring schematic diagram of a kind of embodiment of the utility model;
Fig. 6 is the first butt joint ring and the second butt joint ring connection diagram of a kind of embodiment of the utility model;
Fig. 7 is the central post schematic diagram of a kind of embodiment of the utility model;
Fig. 8 is the winding stairs work progress schematic diagram of a kind of embodiment of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, step plate, 11, connecting portion, 12, platform part of marking time, 13, butt joint ring, the 131, first butt joint ring, the 132, second butt joint ring, 133, butt joint ring body, 134, embedded bar, 14, cylindrical cavity, 2, central post, 21, reinforcing bar, 3, existing building, 4, half space, 5, support bar, 6, bracket, 7, vertical flitch.
Detailed description of the invention
Hereinafter, the embodiment of winding stairs of the present utility model is described with reference to the accompanying drawings.
The embodiment recorded at this is specific detailed description of the invention of the present utility model, for illustration of design of the present utility model, is all explanatory and exemplary, should not be construed as the restriction to the utility model embodiment and the utility model scope.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this manual is schematic diagram, and aid illustration design of the present utility model schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the utility model embodiment, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1 is the schematic diagram that the winding stairs of a kind of embodiment of the utility model is arranged in existed building.
As shown in Figure 2,3, 4, a kind of winding stairs, described winding stairs is positioned at the inside of existing building 3; It comprises:
Central post 2, one end of described central post is fixedly connected with the ground of existing building, as shown in Figure 7;
Step plate 1, described step plate comprises: connecting portion 11, and described connecting portion is made up of connecting cylinder (being cylindrical cavity 14 in the middle part of connecting cylinder), the first butt joint ring 131 and the second butt joint ring 132; Described first butt joint ring is fixed on the top of described connecting cylinder; Described second butt joint ring is fixed on the bottom of described connecting cylinder, as shown in Figure 5 and Figure 6; To mark time platform part 12, described in mark time one end of platform part be fixedly connected with described connecting cylinder;
The connecting portion of described step plate is enclosed within the outside of described central post, and is fixedly connected with described central post; In two adjacent step plates, the second butt joint ring being positioned at top step plate is fixedly connected with the first butt joint ring being positioned at below step plate; The platform part of marking time of step plate is connected setting or the setting that keeps at a certain distance away from the bottom to top successively along described central post, forms the stair risen continuously.
The construction method of the winding stairs of the utility model above-described embodiment is as follows: as shown in Figure 8,
Step 1: manufacture step plate in prefabricated place; Step 2: the step plate prepared in step 1 is transported in existing building; Utilize the step plate support member (comprising support bar 5 and bracket 6) being applicable to height that step plate is supported on precalculated position respectively; The second butt joint ring being positioned at top step plate is fixedly connected with the first butt joint ring being positioned at below step plate, and then vertical flitch 7 and iron wire carry out binding reinforcing to step plate; Step 3: place reinforcing bar in the cavity that connecting cylinder inwall surrounds, then with connecting cylinder inwall for template successively carries out concreting; Step 4: core column concrete pouring construction is carried out in layering, the dismountable step plate support member in rear until central post has been constructed.
The utility model adopts the mode of the prefabricated and middle stem stem cast in situs of step plate, carries out the construction of winding stairs.First to construct prefabricated step plate, carry out marking time plate moulding in prefabricated place, guarantee the construction quality of winding stairs step plate.In winding stairs original position by step plate assembled formation step by step, effectively can save construction space and reduce field operation amount.Finally build winding stairs central post shaping to stair.Winding stairs can water construction after entirety, avoids the critical circuits of mill construction construction, saves the structure construction duration.
In the specific implementation process of the winding stairs of the utility model above-described embodiment, described central post is made up of reinforcing bar and concreting.
In the specific implementation process of the winding stairs of the utility model above-described embodiment, described first butt joint ring and the second butt joint ring (butt joint ring 13) include: butt joint ring body 133; Embedded bar 134, the quantity of described embedded bar 134 is many, and one end of embedded bar is welded on the side of described butt joint ring body; Described embedded bar is embedded in described connecting cylinder.
The utility model winding stairs as above, further, described in platform part of marking time be sector structure.Fan-shaped angle is preferably 15 ~ 20 degree
In the specific implementation process of the winding stairs of the utility model above-described embodiment, the connecting cylinder of step plate is formed by concrete formed by integrally casting with platform of marking time.The reinforcing bar of described connecting cylinder inside has external part, for the bar connecting with central post.That is, before building the concrete of central post, the external part of the reinforcing bar of connecting cylinder inside is connected with the reinforcing bar 21 of central post, strengthens the anchor of step plate and middle stem stem.
In the specific implementation process of the winding stairs of the utility model above-described embodiment, if winding stairs higher (more than 10 meters), conveniently personnel have a rest in cat ladder midway, winding stairs also comprises half space 4, described half space is fixedly connected with central post, and half space is also fixedly connected with existed building in addition.Preferably, half space can according to existed building storey setting, and every floor layer correspondence arranges a half space.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of utility model, is as the criterion with the object realizing the utility model.

Claims (7)

1. a winding stairs, described winding stairs is positioned at the inside of existing building; It is characterized in that, comprising:
Central post, one end of described central post is fixedly connected with the ground of existing building;
Step plate, described step plate comprises: connecting portion, and described connecting portion is made up of connecting cylinder, the first butt joint ring and the second butt joint ring; Described first butt joint ring is fixed on the top of described connecting cylinder; Described second butt joint ring is fixed on the bottom of described connecting cylinder; To mark time platform part, described in mark time one end of platform part be fixedly connected with described connecting cylinder;
The connecting portion of described step plate is enclosed within the outside of described central post, and is fixedly connected with described central post; In two adjacent step plates, the second butt joint ring being positioned at top step plate is fixedly connected with the first butt joint ring being positioned at below step plate; The platform part of marking time of step plate is connected setting or the setting that keeps at a certain distance away from the bottom to top successively along described central post, forms the stair risen continuously.
2. winding stairs according to claim 1, is characterized in that, described central post is made up of reinforcing bar and concreting.
3. winding stairs according to claim 1, is characterized in that, described first butt joint ring and the second butt joint ring include: butt joint ring body; Reinforcing bar, the quantity of described reinforcing bar is many, and one end of reinforcing bar is welded on the side of described butt joint ring body; Described reinforcing bar is embedded in described connecting cylinder.
4. winding stairs according to claim 1, is characterized in that, described in platform part of marking time be sector structure.
5. the winding stairs according to any one of claim 1-4, is characterized in that, the connecting cylinder of step plate is formed by concrete formed by integrally casting with platform of marking time.
6. winding stairs according to claim 5, is characterized in that, the reinforcing bar of described connecting cylinder inside has external part, for the bar connecting with central post.
7. winding stairs according to claim 5, is characterized in that, also comprises half space, and described half space is fixedly connected with central post, and half space is also fixedly connected with existed building in addition.
CN201520446624.6U 2015-06-26 2015-06-26 Winding stairs Expired - Fee Related CN204781679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520446624.6U CN204781679U (en) 2015-06-26 2015-06-26 Winding stairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520446624.6U CN204781679U (en) 2015-06-26 2015-06-26 Winding stairs

Publications (1)

Publication Number Publication Date
CN204781679U true CN204781679U (en) 2015-11-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520446624.6U Expired - Fee Related CN204781679U (en) 2015-06-26 2015-06-26 Winding stairs

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258987A (en) * 2019-06-11 2019-09-20 湖北长安建设集团股份有限公司 A kind of cast-in-place overhanging type spiral stairs and its construction
CN113152811A (en) * 2021-04-02 2021-07-23 苏州美瑞德建筑装饰有限公司 Assembled spiral stair installation design structure
CN115341721A (en) * 2022-09-23 2022-11-15 宝业集团股份有限公司 Prefabricated spiral stair and installation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258987A (en) * 2019-06-11 2019-09-20 湖北长安建设集团股份有限公司 A kind of cast-in-place overhanging type spiral stairs and its construction
CN110258987B (en) * 2019-06-11 2023-09-01 湖北长安建设集团股份有限公司 Cast-in-situ overhanging type rotary stair and construction method thereof
CN113152811A (en) * 2021-04-02 2021-07-23 苏州美瑞德建筑装饰有限公司 Assembled spiral stair installation design structure
CN115341721A (en) * 2022-09-23 2022-11-15 宝业集团股份有限公司 Prefabricated spiral stair and installation method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118

Termination date: 20170626

CF01 Termination of patent right due to non-payment of annual fee