CN214461953U - Prefabricated U-shaped steel bar buckling anchoring sliding stair - Google Patents
Prefabricated U-shaped steel bar buckling anchoring sliding stair Download PDFInfo
- Publication number
- CN214461953U CN214461953U CN202022576048.0U CN202022576048U CN214461953U CN 214461953 U CN214461953 U CN 214461953U CN 202022576048 U CN202022576048 U CN 202022576048U CN 214461953 U CN214461953 U CN 214461953U
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- shaped steel
- horizontal section
- steel bar
- end horizontal
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 238000004873 anchoring Methods 0.000 title claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 108010068370 Glutens Proteins 0.000 claims description 22
- 235000021312 gluten Nutrition 0.000 claims description 22
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 2
- 239000010426 asphalt Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model provides a prefabricated U-shaped steel bar lock anchor connects slip stair. The prefabricated U-shaped steel bar buckling anchoring sliding stair comprises a stair body with a low-end horizontal section, a high-end horizontal section and a step, wherein the low-end horizontal section of the stair body is fixed through a first main body structure, the high-end horizontal section of the stair body is fixed through a second main body structure, a mounting groove is formed in the first main body structure, and the low-end horizontal section is arranged in the mounting groove; an annular buckling rib is arranged in the second main body structure; the stair body is characterized in that a first U-shaped steel bar is arranged in the high-end horizontal section of the stair body and connected with the annular buckling rib. Compared with the prior art, the utility model provides a stair body in the prefabricated U-shaped reinforcing bar lock anchorage slide stair pours with the main part simultaneously, can match the on-the-spot precision, and is the same with traditional construction flow, does not change construction technology.
Description
Technical Field
The utility model relates to an assembly type structure technical field especially relates to a prefabricated U-shaped steel bar lock anchor slip stair.
Background
Most prefabricated stairs adopted in the existing fabricated building are designed according to prefabricated reinforced concrete slab stairs 15G367-1, all the prefabricated stairs are designed according to sliding stairs, and are connected with a main body structure by adopting embedded anchor bars, the stairs in the connection mode excessively depend on the on-site construction precision, when the on-site construction precision is insufficient, holes reserved in the prefabricated stairs are difficult to align with the on-site embedded connecting steel bars, so that the prefabricated stairs cannot be installed, the problems that the embedded steel bars are cut off and then embedded in the construction site are solved, the on-site embedded steel bars do not have the embedded steel bar qualification and do not perform drawing tests, and serious potential safety hazards exist; and this kind of stair need install lower floor's stair after pouring this layer of floor, and this stair can't form upper and lower floor's construction passageway, need increase and set up temporary passage, cause the waste of personnel, material, time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated U-shaped reinforcing bar lock anchor sliding stair can pour simultaneously with the main part, can match the on-the-spot precision.
The technical scheme of the utility model is that: a prefabricated U-shaped steel bar buckling anchoring sliding stair comprises a stair body, wherein the stair body is provided with a low-end horizontal section and a high-end horizontal section, a plurality of steps are arranged between the low-end horizontal section and the high-end horizontal section, the low-end horizontal section of the stair body is fixed through a first main body structure, the high-end horizontal section of the stair body is fixed through a second main body structure, a sunken mounting groove is formed in the first main body structure, and the low-end horizontal section is arranged in the mounting groove; an annular buckling rib is arranged in the second main body structure; a first U-shaped steel bar is arranged in the high-end horizontal section of the stair body; the first U-shaped steel bar extends out of the high-end horizontal section and extends into the second main body structure to be connected with the annular buckling rib.
In the above scheme, the U-shaped reinforcing bar that stretches out is set up at the high-end of prefabricated staircase, through this U-shaped reinforcing bar and first major structure fixed connection during the installation, and low side and second main part adopt sliding connection, and both ends are pour simultaneously with the main part, can match the on-the-spot precision.
Preferably, a PE rod and a mortar leveling layer are arranged between the low-end horizontal section and the mounting groove, the PE rod is arranged above the stair body, and the mortar leveling layer is arranged at the bottom of the stair body.
Preferably, first major structure includes first flat bed, first platform roof beam and chooses the ear, first platform roof beam certainly the vertical setting in first flat bed, choose the ear certainly first platform roof beam level sets up, choose the ear with form between the first platform roof beam the mounting groove, the bottom of low side horizontal segment with choose between the ear do the mortar screed, be equipped with the deformation chamber between low side horizontal segment and the first platform roof beam, the PE stick is located in the deformation chamber with the up end parallel and level of first flat bed.
Preferably, a layer of felt is arranged between the mortar leveling layer and the low-end horizontal section.
Preferably, a blocking layer is arranged between the high-end horizontal section of the stair body and the second platform beam and is located at the bottom of the stair body.
Preferably, gluten and bottom ribs are arranged at intervals in the thickness direction of the stair body, and the gluten is arranged close to the steps; a second U-shaped steel bar is arranged in the low-end horizontal section of the stair body, and one ends of the gluten and the bottom bar extend into the low-end horizontal section to be connected with the second U-shaped steel bar; the other end of gluten and end muscle extend to in the high-end horizontal segment with first U-shaped reinforcing bar is connected.
Preferably, a plurality of first U-shaped steel bars, a plurality of second U-shaped steel bars, a plurality of gluten and a plurality of bottom bars are uniformly distributed at intervals along the width direction of the stair body; first U-shaped reinforcing bar, second U-shaped reinforcing bar, gluten and end muscle one-to-one that a plurality of intervals set up to link to each other through a plurality of distribution muscle respectively.
Preferably, the diameter of the first U-shaped reinforcing bar is equal to the diameter of the gluten.
Preferably, in the multistage step, the up end of each stage step all is equipped with sunken anti-skidding keyway, anti-skidding keyway is close to the low side horizontal segment setting, just anti-skidding keyway with the width direction of stair body is parallel.
Preferably, one side of the stair body far away from the step is provided with a water dripping line, and the water dripping line is arranged at one end of the stair body in the width direction and is parallel to the length direction of the stair body.
Compared with the prior art, the beneficial effects of the utility model are that:
the high-end horizontal section of the stair body is fixed with a main body structure through U-shaped steel bars, the low-end horizontal section of the stair body is in sliding connection and is poured with the main body at the same time, the on-site precision can be matched, the construction process is the same as that of the traditional construction process, and the construction process is not changed;
secondly, the stair body is installed in place when the beam plate templates are erected on site, and is poured with the main body structure at the same time, so that the complicated template erection of the traditional cast-in-place stair is omitted, and the stair can be used for site personnel passage, material transportation and the like, so that the problem of constructing a channel is solved, and labor, materials and the like are saved;
thirdly, the length, the width, the step height, the width, the facing and the like of the prefabricated U-shaped steel bar buckling anchoring sliding stair can be customized according to the requirement of a first square, can be used for buildings of various styles, and belongs to customized products;
fourthly, the surfaces of the prefabricated U-shaped steel bars buckled and anchored sliding stairs are smooth, the product is provided with anti-skidding key slots and water dripping lines when being delivered out of a factory, and can also be provided with railings and the like, so that building veneering and board bottom plastering are avoided, and labor and material costs are saved;
and fifthly, the step is designed by adopting a chamfer, so that the collision and damage are avoided, and the protection of the finished product is facilitated.
Drawings
Fig. 1 is a schematic top view of a stair body in the prefabricated U-shaped steel bar buckling anchoring sliding stair provided by the utility model;
fig. 2 is a schematic front view of a cross-sectional structure of a stair body in the prefabricated U-shaped steel bar buckling anchoring sliding stair provided by the utility model;
fig. 3 is an installation diagram of the low-end horizontal segment and the first main structure in the prefabricated building provided by the present invention;
fig. 4 is an installation diagram of the high-end horizontal segment and the second main structure in the prefabricated building provided by the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1-4, the prefabricated U-shaped steel bar buckling anchored sliding stair provided by the embodiment comprises a stair body 1, a first main structure 2, a second main structure 3, a plugging layer 4, a PE rod 5, a deformation cavity 6, a mortar leveling layer 7, a felt 8 and a surface layer 9.
As shown in fig. 1 and 2, the stair body 1 includes a low-end horizontal segment 101, a high-end horizontal segment 102, a step 103, an anti-slip key slot 104, a water dropping line 105, a first U-shaped steel bar 106, a second U-shaped steel bar 107, a gluten 108, a bottom bar 109, a distribution bar 110, and a pre-embedded nut 111.
The low-end horizontal section 101 is arranged at the descending end of the stair body 1, and the high-end horizontal section 102 is arranged at the ascending end of the stair body. A multi-step 103 is provided between the lower end horizontal segment 101 and the upper end horizontal segment 102. The ascending or descending direction of the stair is the length L of the stair body 1, the distance between the step 103 and the bottom of the stair body 1 is the thickness T of the stair body 1, and the other side of the stair body 1 is the width W.
In the multistage step, the up end of each stage step 103 all is equipped with sunken anti-skidding keyway 104, anti-skidding keyway 104 is close to low side horizontal segment 101 and sets up, just anti-skidding keyway 104 with the width direction of stair body 1 is parallel. The number of the anti-slip key grooves 104 on each step 103 is two. Each step 103 adopts a chamfer design, so that collision and damage are avoided, and finished product protection is facilitated.
One side that stair body 1 kept away from step 103 is equipped with drip 105, drip 105 is in stair body 1's width direction's one end sets up, and is parallel with stair body 1's length direction.
Be equipped with first U-shaped reinforcing bar 106 in the high-end horizontal segment 101 of stair body 1, first U-shaped reinforcing bar level stretches out high-end horizontal segment 101. A second U-shaped steel bar 107 which does not extend out is arranged in the horizontal section 101 at the bottom end of the stair body 1. Gluten 108 and bottom muscle 109 are equipped with to the thickness direction internal interval of stair body 1. The gluten 108 is arranged adjacent to the step 103. One end of the gluten 108 and the bottom rib 109 extends into the lower horizontal section 101 to be connected with the second U-shaped reinforcing bar 107. The other ends of the gluten 108 and the bottom bar 109 extend into the high-end horizontal section 102 to be connected with the first U-shaped reinforcing bar 106.
First U-shaped reinforcing bar 106, second U-shaped reinforcing bar 107, gluten 108 and end muscle 109 are followed stair body 1's width direction interval equipartition is equipped with a plurality ofly. The first U-shaped reinforcing steel bars 106, the second U-shaped reinforcing steel bars 107, the gluten 108 and the bottom ribs 109 which are arranged at intervals correspond to one another and are connected through a plurality of distribution ribs 110 respectively. The diameter of the first U-shaped reinforcement bar 106 is equal to the diameter of the gluten 108.
At least four embedded nuts 111 for hoisting are uniformly distributed on one side, close to the step 103, of the stair body 1, and the embedded nuts 111 are buried in the step 103.
As shown in fig. 3 and 4, the lower horizontal segment 101 of the stair body 1 is fixed by the first main structure 2, and the upper horizontal segment 102 of the stair body 1 is fixed by the second main structure 3.
The first body structure 2 includes a first flat layer 21, a first platform beam 22, a cantilever 23 and a mounting groove 24. First platform roof beam 22 certainly the vertical setting of first flat bed 21, it certainly to choose ear 23 first platform roof beam 22 level sets up, choose ear 23 with form between the first platform roof beam 22 mounting groove 24.
The second main structure 3 includes a second flat layer 31, a second platform beam 32, a ring-shaped buckling rib 33 and a platform beam reinforcing bar 34. The second platform beam 32 is vertically arranged from the second flat layer 31, and the annular buckling rib 33 is arranged inside the second platform beam 32.
When the stair body 1 is installed, the lower horizontal section 101 of the stair body 1 is firstly placed on the overhanging lug 23 of the installation groove 24 to be used as a temporary support, and a sliding connection is formed.
A mortar leveling layer 7 and a felt 8 are stacked between the bottom of the low-end horizontal section 101 and the lug 23, the mortar leveling layer 7 is attached to the lug, and the felt 8 is attached to the bottom of the low-end horizontal section 101. A deformation cavity 6 is arranged between the side end of the lower horizontal section 101 and the first platform beam 22, a PE rod 5 is arranged in the deformation cavity, and the PE rod 5 is flush with the upper end surface of the first flat layer 21. The deformation cavity 6 is used for adapting to the machining error of the prefabricated staircase. The upper end of the first main body structure 2 is provided with a surface layer 9 which is flush with the upper end surface of the lower horizontal section 101.
The annular buckling ribs 33 are arranged at intervals along the width direction of the stair body 1 and correspond to the first U-shaped reinforcing steel bars 106 one by one. The first U-shaped steel bar 106 on the high-end horizontal section 102 of the stair body 1 is connected with the annular buckling rib 33 through the platform beam steel bar 34.
An installation seam is arranged between the second platform beam 32 and the high-end horizontal section 102, and a plugging layer 4 is arranged at the bottom of the installation seam. The installation seams are cast simultaneously along with the main structure, and fixed connection is formed through cast-in-place.
The upper end of the second main body structure 3 is provided with a surface layer 8 which is flush with the upper end surface of the high-end horizontal section 102.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. A prefabricated U-shaped steel bar buckling anchoring sliding stair comprises a stair body, wherein the stair body is provided with a low-end horizontal section and a high-end horizontal section, and a plurality of steps are arranged between the low-end horizontal section and the high-end horizontal section; an annular buckling rib is arranged in the second main body structure; the stair body is characterized in that a first U-shaped steel bar is arranged in the high-end horizontal section of the stair body, the first U-shaped steel bar horizontally extends out of the high-end horizontal section and extends into the second main body structure to be connected with the annular buckling ribs.
2. The prefabricated U-shaped steel bar buckling anchoring sliding stair of claim 1, wherein a PE bar and a mortar leveling layer are arranged between the low-end horizontal section and the installation groove, the PE bar is arranged above the stair body, and the mortar leveling layer is arranged at the bottom of the stair body.
3. The prefabricated U-shaped steel bar buckling and anchoring sliding stair of claim 2, wherein the first main body structure comprises a first flat layer, a first platform beam and a lifting lug, the first platform beam is vertically arranged from the first flat layer, the lifting lug is horizontally arranged from the first platform beam, the lifting lug and the first platform beam form the installation groove therebetween, the mortar leveling layer is arranged between the bottom of the low-end horizontal section and the lifting lug, a deformation cavity is arranged between the low-end horizontal section and the first platform beam, and the PE rod is arranged in the deformation cavity and is flush with the upper end face of the first flat layer.
4. The prefabricated U-shaped steel bar buckling anchored sliding stair of claim 2, wherein a layer of asphalt felt is arranged between the mortar leveling layer and the low-end horizontal section.
5. The prefabricated U-shaped steel bar buckling anchoring sliding stair of claim 1, wherein a sealing layer is arranged between a high-end horizontal section of the stair body and the second platform beam, and the sealing layer is arranged at the bottom of the stair body.
6. The prefabricated U-shaped steel bar buckling anchoring sliding stair is characterized in that gluten and bottom bars are arranged at intervals in the thickness direction of the stair body, and the gluten is arranged close to the step; a second U-shaped steel bar is arranged in the low-end horizontal section of the stair body, and one ends of the gluten and the bottom bar extend into the low-end horizontal section to be connected with the second U-shaped steel bar; the other end of gluten and end muscle extend to in the high-end horizontal segment with first U-shaped reinforcing bar is connected.
7. The prefabricated U-shaped steel bar buckling and anchoring sliding stair is characterized in that a plurality of first U-shaped steel bars, a plurality of second U-shaped steel bars, a plurality of gluten and a plurality of bottom bars are uniformly distributed at intervals along the width direction of the stair body; first U-shaped reinforcing bar, second U-shaped reinforcing bar, gluten and end muscle one-to-one that a plurality of intervals set up to link to each other through a plurality of distribution muscle respectively.
8. The prefabricated U-shaped steel bar buckling anchored sliding stair of claim 6, wherein the diameter of the first U-shaped steel bar is equal to the diameter of the gluten.
9. The prefabricated U-shaped steel bar buckling anchored sliding stair according to any one of claims 1-8, wherein each step in the plurality of steps is provided with a recessed anti-slip key groove on the upper end face, the anti-slip key groove is arranged close to the lower horizontal section, and the anti-slip key groove is parallel to the width direction of the stair body.
10. The prefabricated U-shaped steel bar buckling anchoring sliding stair is characterized in that a side, away from a step, of the stair body is provided with a water dropping line, and the water dropping line is arranged at one end of the width direction of the stair body and is parallel to the length direction of the stair body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022576048.0U CN214461953U (en) | 2020-11-10 | 2020-11-10 | Prefabricated U-shaped steel bar buckling anchoring sliding stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022576048.0U CN214461953U (en) | 2020-11-10 | 2020-11-10 | Prefabricated U-shaped steel bar buckling anchoring sliding stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214461953U true CN214461953U (en) | 2021-10-22 |
Family
ID=78182056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022576048.0U Active CN214461953U (en) | 2020-11-10 | 2020-11-10 | Prefabricated U-shaped steel bar buckling anchoring sliding stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214461953U (en) |
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2020
- 2020-11-10 CN CN202022576048.0U patent/CN214461953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240417 Address after: The Inner Mongolia Autonomous Region city Dongsheng District 017000 Ordos ejinhuro Street No. 7 Patentee after: Xingtai Construction Group Co.,Ltd. Country or region after: China Address before: 010000 No.102, 1st floor, North Stone office building, Huqing Road, Chengguan Town, Helingeer County, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Zhongduo Yuanda Construction Industry Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |