CN205242886U - Prefabricated split type stair installing the system - Google Patents
Prefabricated split type stair installing the system Download PDFInfo
- Publication number
- CN205242886U CN205242886U CN201520993066.5U CN201520993066U CN205242886U CN 205242886 U CN205242886 U CN 205242886U CN 201520993066 U CN201520993066 U CN 201520993066U CN 205242886 U CN205242886 U CN 205242886U
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- China
- Prior art keywords
- stair
- floor
- steel
- gripper shoe
- carrier
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- 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.)
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model relates to a prefabricated split type stair installing the system belongs to the building field, its steel I -beam and prefabricated staircase who includes floor, support floor slab, prefabricated staircase includes concrete placement's stair backup pad and the fixed a plurality of fliers that set up in the stair backup pad, the flier sets up with stair backup pad integrated into one piece or through the connecting piece is fixed, the stair backup pad is including the backup pad main part and lower collection portion and the last collection portion of setting in backup pad main part both ends and level extension of slope, be provided with steel pipe framework in the stair backup pad, the inside cavity that alleviates whole stair weight that forms of steel pipe framework, steel pipe framework includes that the support column that sets up side by side sets up a plurality of supporting beam on the support column with the welding more than two, it sets up with the support column is perpendicular to prop up supporting beam, 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 the transportation is convenient, simple to operate.
Description
Technical field
The utility model relates to buildings in general, is specially a kind of Prefabricated spilt formula stair installation system.
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.
And in earthquake, stair become first anti-vibration defense lines; Under macroseism, as it is first damaged, will be difficult to ensure earthquake time, staircase, as emergency escape channel, be brought into play the function of evacuating personnel and rescue effect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Prefabricated spilt formula stair installation system of being convenient to installation and transport.
For addressing the above problem, technical solution adopted in the utility model is:
A kind of Prefabricated spilt formula stair installation system, 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 step plate is cross section strip shape body triangular in shape, step plate and described stair gripper shoe are one-body molded or be fixedly installed by connector, 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, in described stair gripper shoe, be provided with steel pipe skeleton, the inner cavity that alleviates whole stair weight that forms of described 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, described brace summer is vertical with support column to be arranged, 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 further improvement of the utility model, 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 further improvement of the utility model, in described lower carrier and upper carrier, be provided with tapped service sleeve, connecting screw rod is connected with the service sleeve 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 further improvement of the utility model, 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 further improvement of the utility model, described service sleeve and the welding of the end of described support column.
As further improvement of the utility model, described step plate is provided with lightening hole on its length direction.
As further improvement of the utility model, on described lower carrier and upper carrier, be provided with suspension ring.
As further improvement of the utility model, described support column and brace summer all adopt square steel tube.
As further improvement of the utility model, described support column is three.
The beneficial effect that adopts technique scheme to produce is:
The utility model arranges a steel pipe skeleton and acts on behalf of bar-mat reinforcement in stair gripper shoe, the inner cavity that alleviates whole stair weight that forms of steel pipe skeleton, reduce concrete consumption, the weight of precast stair is reduced greatly, be convenient to lifting, installation and the transport of precast stair.
Precast stair lifting of the present utility model is convenient, therefore 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.
The support plate body of stair and step plate split are arranged, make the structure of stair gripper shoe simpler, its top and bottom are smooth, build easy, conveniently laying in the time of transport, take up room little. Step plate split design can be alleviated to the weight of stair gripper shoe, convenient the concentrating of step plate arranges and transport. Whole stair gripper shoe is greatly saved the working time in the time playing sling cart and lifting installation, reduces working strength. Precast stair lifting of the present utility model is convenient, therefore easy for installation, difficulty and operating time while greatly reducing construction.
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.
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, and bar-mat reinforcement or peg (scheming not shown) can also be set on described steel pipe skeleton, wraps power with the bonding increasing 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, and depressed part 1-7 fills up anti-corrosion material. 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.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (7)
1. a Prefabricated spilt formula stair installation system, 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 step plate (2) is cross section strip shape body triangular in shape, step plate (2) and described stair gripper shoe (1) are one-body molded or be fixedly installed by connector, 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), be provided with steel pipe skeleton, the inner cavity that alleviates whole stair weight that forms of described 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), described brace summer (1-5) setting vertical with support column (1-4),
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. Prefabricated spilt formula stair installation system 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. Prefabricated spilt formula stair installation system 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. Prefabricated spilt formula stair installation system 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. according to the Prefabricated spilt formula stair installation system described in claim 3 or 4, it is characterized in that: described service sleeve (1-6) and the welding of the end of described support column (1-4).
6. Prefabricated spilt formula stair installation system according to claim 1, is characterized in that: described support column (1-4) and brace summer (1-5) all adopt square steel tube.
7. Prefabricated spilt formula stair installation system according to claim 1, is characterized in that: described support column (1-4) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993066.5U CN205242886U (en) | 2015-12-04 | 2015-12-04 | Prefabricated split type stair installing the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993066.5U CN205242886U (en) | 2015-12-04 | 2015-12-04 | Prefabricated split type stair installing the system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205242886U true CN205242886U (en) | 2016-05-18 |
Family
ID=55941966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993066.5U Expired - Fee Related CN205242886U (en) | 2015-12-04 | 2015-12-04 | Prefabricated split type stair installing the system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205242886U (en) |
-
2015
- 2015-12-04 CN CN201520993066.5U patent/CN205242886U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20181204 |