CN205242885U - Lightweight concrete prefabricated staircase connection structure - Google Patents
Lightweight concrete prefabricated staircase connection structure Download PDFInfo
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- CN205242885U CN205242885U CN201520992856.1U CN201520992856U CN205242885U CN 205242885 U CN205242885 U CN 205242885U CN 201520992856 U CN201520992856 U CN 201520992856U CN 205242885 U CN205242885 U CN 205242885U
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- stair
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- gripper shoe
- carrier
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Abstract
The utility model relates to a lightweight concrete prefabricated staircase connection structure, its steel I -beam and prefabricated staircase who includes floor, support floor slab, stair backup pad and the fixed a plurality of fliers that set up in the stair backup pad that prefabricated staircase includes concrete placement, the stair backup pad is including the backup pad main part of slope and set up lower collection portion and the last collection portion who extends in backup pad main part both ends and level, stair backup pad and flier on all be provided with the lightening hole, the lightening hole inside lining is equipped with the steel pipe, the lower collection portion and the last collection portion of stair backup pad are connected with floor or steel I -beam. The utility model discloses a prefabricated staircase quality is light, be convenient for transportation and installation, and whole stair are simple at construction and installation process operation, and the installation effectiveness is high.
Description
Technical field
The utility model relates to buildings in general, is specially a kind of lightweight precast concrete stair syndeton.
Background technology
Because cast-in-site stair exist more deficiency, therefore, this area provided the multiple technical scheme that stair product is made in industrialization in factory in recent years, used to be directly installed on building. But this stair are not yet approved by this area at present, its main cause is: pre-stair weight is larger, and handling and install complicatedly make the production cost of precast stair higher than cast stair. Although the advantage of precast stair is a lot, because it exists handling, complicated deficiency is installed, existing precast stair product cannot be promoted the use of.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lightweight precast concrete stair syndeton of being convenient to installation and transport.
For addressing the above problem, technical solution adopted in the utility model is:
A kind of lightweight precast concrete stair syndeton, its key technology is: it comprises floor, supports steel I-beam and the precast stair of floor;
Described precast stair comprises the stair gripper shoe of concreting and is fixedly installed on the multiple step plates in described stair gripper shoe, described stair gripper shoe comprises the support plate body of inclination and is arranged on described support plate body two ends and horizontally extending lower carrier and upper carrier, on described stair gripper shoe and step plate, be provided with lightening hole, in described lightening hole, be lined with steel pipe;
The lower carrier of described stair gripper shoe is connected with the floor or the steel I-beam that are positioned at lower floor, and the upper carrier of described stair gripper shoe is connected with the floor or the steel I-beam that are positioned at upper strata.
As preferably, described lower carrier is bolted to connection with the floor that is positioned at lower floor, and described upper carrier is bolted with the steel I-beam that is positioned at upper strata.
As preferably, in described lower carrier and upper carrier, be provided with tapped service sleeve, connecting screw rod is connected with the service sleeve (1-6) of described lower carrier with floor through the wing plate of the steel I-beam that is arranged in lower floor, and connecting screw rod is connected through the web of steel I-beam and the service sleeve of described upper carrier that are arranged in upper strata.
As preferably, on lower carrier and upper carrier, be provided with depressed part, depressed part is positioned at the outside of service sleeve, and depressed part is filled out and is provided with anti-corrosion material.
As preferably, described service sleeve and the welding of the end of described support column.
As preferably, described step plate is cross section strip shape body triangular in shape, and step plate is bolted in described stair gripper shoe.
As preferably, described step plate is wooden structures or lightweight steel construction.
As preferably, in described stair gripper shoe, be provided with steel pipe skeleton, described steel pipe skeleton comprises that two support columns that are arranged side by side above and welding are arranged on the some brace summers on described support column.
As preferably, described support column and brace summer all adopt square steel tube.
The beneficial effect that adopts technique scheme to produce is:
The utility model will arrange lightening hole on the support plate body of stair and step plate, and in lightening hole, display steel pipe, facilitate on the one hand the moulding of lightening hole, can play a supporting role on the other hand, strengthen its intensity, avoid being ruptured by lightening hole place, lightening hole the weight that has reduced whole precast stair is set, be convenient to lifting, install and transport.
Precast stair lifting of the present utility model is convenient, easy for installation, difficulty and operating time while greatly reducing construction, the upper carrier at support plate body two ends is connected with floor or steel I-beam by bolt fast with lower carrier, has greatly improved the efficiency that stair are installed.
Brief description of the drawings
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, to the accompanying drawing of required use in detailed description of the invention or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the local structure for amplifying schematic diagram of A in Fig. 1.
Fig. 3 is the local structure for amplifying schematic diagram of B in Fig. 1.
Fig. 4 is structural representation of the present utility model.
Fig. 5 is the structural representation of the utility model steel pipe skeleton.
Wherein: carrier, the upper carrier of 1-3,1-4 support column, 1-5 brace summer, 1-6 service sleeve, 1-7 depressed part, the pre-buried connecting plate A of 1-8, the pre-buried connecting plate B of 1-9,2 step plates, 2-1 lightening hole, 3 set bolts, 4 suspension ring, 5 connecting screw rods, 6 nuts, 100 steel I-beams, 101 webs, 102 wing plates, 200 floors, 300 rubber mat plates under 1 stair gripper shoe, 1-1 support plate body, 1-2.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing 1-5 and specific embodiment, utility model is carried out to clear, complete description.
A kind of precast stair as shown in Figure 4, it comprises the stair gripper shoe 1 of concreting and is arranged on the multiple step plates 2 in described stair gripper shoe 1, described step plate 2 is cross section strip shape body triangular in shape, step plate 2 is bolted in described stair gripper shoe 1, in described stair gripper shoe 1, be provided with pre-buried connecting plate A1-8 and pre-buried connecting plate B1-9, described pre-buried connecting plate A1-8 vertically arranges, described pre-buried connecting plate B1-9 is horizontally disposed with, and described step plate 2 is connected with described pre-buried connecting plate A1-8 and pre-buried connecting plate B1-9 by set bolt 3.
Described step plate 2 is provided with lightening hole 2-1 on its length direction, can greatly reduce the weight of step plate 2, reduces the heavy burden of stair gripper shoe 1, and described step plate 2 is for concreting moulding or adopt the more wooden structures of lightweight.
Described stair gripper shoe 1 comprises the support plate body 1-1 of inclination and is arranged on described support plate body 1-1 two ends and horizontally extending lower carrier 1-2 and upper carrier 1-3, in described stair gripper shoe 1, is provided with steel pipe skeleton.
As shown in Figure 5, described steel pipe skeleton comprises that two support column 1-4 that are arranged side by side above and welding are arranged on the some brace summer 1-5 on described support column 1-4. Described support column 1-4 forms steel pipe skeleton, because steel pipe skeleton takies more space together with adopting pipe or square tubes soldering with brace summer 1-5, the unit weight of stair gripper shoe 1 is reduced, therefore make its weight reducing, convenient transport and lifting, convenient installation.
Described support column 1-4 extends to respectively in carrier 1-3 and lower carrier 1-2 up and down, on described steel pipe skeleton, bar-mat reinforcement or peg can also be set, to increase the cohesive force between steel pipe skeleton and xoncrete structure.
On described lower carrier 1-2 and upper carrier 1-3, be provided with suspension ring 4, for lifting by crane stair gripper shoe 1. Described suspension ring 4 are to be threaded connection or to weld or the connecting portion of suspension ring is embedded in lower carrier 1-2 and upper carrier 1-3 with the built-in fitting being embedded in lower carrier 1-2 and upper carrier 1-3. Wherein, by being threaded with built-in fitting, easy disassembly can be removed suspension ring 4 in the time not needing to lift by crane, and avoids its flatness that affects stair, avoids becoming obstacle.
The end welding of described support column 1-4 is provided with the female service sleeve 1-6 of apparatus, on lower carrier 1-2 and upper carrier 1-3, is provided with depressed part 1-7, and depressed part 1-7 is positioned at the outside of service sleeve 1-6. Service sleeve is used for making lower carrier 1-2 and upper carrier 1-3 and brace summer or structural slab to be bolted, and plays fixation, avoids movable.
Be illustrated in figure 1 installation and the syndeton of above-mentioned precast stair in steel building, it comprises the floor 200 being supported by steel I-beam 100, the lower carrier 1-2 of the stair gripper shoe 1 of described precast stair is connected with the floor 200 or the steel I-beam 100 that are positioned at lower floor, and the upper carrier 1-3 of described stair gripper shoe 1 is connected with the floor 200 or the steel I-beam 100 that are positioned at upper strata.
As Fig. 2 and Fig. 3, in the present embodiment, in described lower carrier 1-2 and upper carrier 1-3, be provided with tapped service sleeve 1-6, connecting screw rod 5 is connected with the service sleeve 1-6 of described lower carrier 1-2 with floor 200 through the wing plate 102 of the steel I-beam 100 that is arranged in lower floor, connecting screw rod 5 is connected through the web 101 of steel I-beam 100 and the service sleeve 1-6 of described upper carrier 1-3 that are arranged in upper strata, and the end of described connecting screw rod 5 is provided with nut 6. Described lower carrier 1-2 and be provided with rubber mat plate 300 between the floor 200 of lower floor, described rubber mat plate 300 can play the effect of damping.
Owing to being provided with depressed part 1-7, wherein fill out and be provided with anti-corrosion material, in the time that connecting screw rod 5 is inserted into service sleeve 1-6, anti-corrosion material can play anticorrosion and sealing function to the termination portion of connecting screw rod 5, avoid due to connecting screw rod 6 and service sleeve 1-6 rot cause Joint failure or the problem such as can not dismantle, be syndeton durable.
As another kind of embodiment, described lower carrier 1-2 and the floor 200 or steel I-beam 100 freely-supporteds that are positioned at lower floor, the upper carrier 1-3 of described stair gripper shoe 1 and the floor 200 or steel I-beam 100 freely-supporteds that are positioned at upper strata, described freely-supported is directly placed on the wing plate 101 of floor 200 or steel I-beam 100, can make it at will move by the weight of precast stair self.
Concrete, lower carrier 1-2 and between the floor 200 of lower floor freely-supported, lower carrier 1-2 bottom is fixedly installed steel plate, is also fixedly installed steel plate on floor 200, between two steel plates, graphite powder is set, and can slide. The limiting component that the described lower carrier 1-2 of restriction horizontally slips is set, as boss or peg on described floor 200. Same, upper carrier 1-3 bottom is provided with steel plate, between the wing plate 102 of the steel I-beam 100 on described steel plate and upper strata, graphite powder is set, and is provided with the device that the described upper carrier 1-3 of restriction horizontally slips on described wing plate 102.
By above-mentioned freely-supported mounting structure, can play the effect of antidetonation, in the time of earthquake, stair can slide front and back, do not transmit moment of flexure, offset the power that vibrations produce.
Claims (9)
1. a lightweight precast concrete stair syndeton, is characterized in that: it comprises floor (200), supports steel I-beam (100) and the precast stair of floor (200);
Described precast stair comprises the stair gripper shoe (1) of concreting and is fixedly installed on the multiple step plates (2) in described stair gripper shoe (1), described stair gripper shoe (1) comprises the support plate body (1-1) of inclination and is arranged on described support plate body (1-1) two ends and horizontally extending lower carrier (1-2) and upper carrier (1-3), on described stair gripper shoe (1) and step plate (2), be provided with lightening hole (2-1), in described lightening hole (2-1), be lined with steel pipe;
The lower carrier (1-2) of described stair gripper shoe (1) is connected with the floor (200) or the steel I-beam (100) that are positioned at lower floor, and the upper carrier (1-3) of described stair gripper shoe (1) is connected with the floor (200) or the steel I-beam (100) that are positioned at upper strata.
2. lightweight precast concrete stair syndeton according to claim 1, it is characterized in that: described lower carrier (1-2) is bolted to connection with the floor (200) that is positioned at lower floor, described upper carrier (1-3) is bolted with the steel I-beam (100) that is positioned at upper strata.
3. lightweight precast concrete stair syndeton according to claim 2, it is characterized in that: in described lower carrier (1-2) and upper carrier (1-3), be provided with tapped service sleeve (1-6), connecting screw rod (5) is connected with the service sleeve (1-6) of described lower carrier (1-2) with floor (200) through the wing plate (102) of the steel I-beam (100) that is arranged in lower floor, and connecting screw rod (5) is connected through the web (101) of steel I-beam (100) and the service sleeve (1-6) of described upper carrier (1-3) that are arranged in upper strata.
4. lightweight precast concrete stair syndeton according to claim 3, it is characterized in that: on lower carrier (1-2) and upper carrier (1-3), be provided with depressed part (1-7), depressed part (1-7) is positioned at the outside of service sleeve (1-6), and depressed part (1-7) is filled out and is provided with anti-corrosion material.
5. lightweight precast concrete stair syndeton according to claim 4, is characterized in that: described service sleeve (1-6) and the welding of the end of described support column (1-4).
6. lightweight precast concrete stair syndeton according to claim 1, is characterized in that: described step plate (2) is cross section strip shape body triangular in shape, and step plate (2) is bolted in described stair gripper shoe (1).
7. lightweight precast concrete stair syndeton according to claim 1, is characterized in that: described step plate (2) is wooden structures or lightweight steel construction.
8. lightweight precast concrete stair syndeton according to claim 1, it is characterized in that: in described stair gripper shoe (1), be provided with steel pipe skeleton, described steel pipe skeleton comprises that two support columns that are arranged side by side above (1-4) and welding are arranged on the some brace summers (1-5) on described support column (1-4).
9. lightweight precast concrete stair syndeton according to claim 8, is characterized in that: described support column (1-4) and brace summer (1-5) all adopt square steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992856.1U CN205242885U (en) | 2015-12-04 | 2015-12-04 | Lightweight concrete prefabricated staircase connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992856.1U CN205242885U (en) | 2015-12-04 | 2015-12-04 | Lightweight concrete prefabricated staircase connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN205242885U true CN205242885U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520992856.1U Active CN205242885U (en) | 2015-12-04 | 2015-12-04 | Lightweight concrete prefabricated staircase connection structure |
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| CN (1) | CN205242885U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759170A (en) * | 2017-10-25 | 2018-03-06 | 天津工业化建筑有限公司 | A kind of prefabricated hollow stair of light ceramsite concrete and preparation method |
| CN110094025A (en) * | 2019-05-24 | 2019-08-06 | 广东博意建筑设计院有限公司 | A kind of assembling-type precast stair |
| CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
| CN112854634A (en) * | 2021-03-26 | 2021-05-28 | 淮阴工学院 | Assembling method of assembled prefabricated staircase |
| CN114790804A (en) * | 2022-05-05 | 2022-07-26 | 中交一公局集团有限公司 | Combined rapid assembling ladder step structure for assembly type building |
-
2015
- 2015-12-04 CN CN201520992856.1U patent/CN205242885U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759170A (en) * | 2017-10-25 | 2018-03-06 | 天津工业化建筑有限公司 | A kind of prefabricated hollow stair of light ceramsite concrete and preparation method |
| CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
| CN110094025A (en) * | 2019-05-24 | 2019-08-06 | 广东博意建筑设计院有限公司 | A kind of assembling-type precast stair |
| CN112854634A (en) * | 2021-03-26 | 2021-05-28 | 淮阴工学院 | Assembling method of assembled prefabricated staircase |
| CN112854634B (en) * | 2021-03-26 | 2022-02-18 | 淮阴工学院 | Assembling method of assembled prefabricated staircase |
| CN114790804A (en) * | 2022-05-05 | 2022-07-26 | 中交一公局集团有限公司 | Combined rapid assembling ladder step structure for assembly type building |
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Effective date of registration: 20190613 Granted publication date: 20160518 |
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Date of cancellation: 20220613 Granted publication date: 20160518 |
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