CN214785468U - High-strength prefabricated staircase - Google Patents
High-strength prefabricated staircase Download PDFInfo
- Publication number
- CN214785468U CN214785468U CN202120822435.XU CN202120822435U CN214785468U CN 214785468 U CN214785468 U CN 214785468U CN 202120822435 U CN202120822435 U CN 202120822435U CN 214785468 U CN214785468 U CN 214785468U
- Authority
- CN
- China
- Prior art keywords
- groove
- hanging
- pouring
- prefabricated staircase
- stair
- 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.)
- Active
Links
Images
Landscapes
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a high-strength prefabricated staircase, which comprises a connecting seat integrally formed on the inner side of a building wall surface, wherein a staircase main body is assembled on the upper surface of the connecting seat, the staircase main body comprises a staircase plate, pouring grooves are formed in the bottom end and the top end of the staircase plate, hanging columns are embedded in the inner surface of the pouring grooves, hanging devices are sleeved on the outer surfaces of the hanging columns, and connecting strips are cast and connected on the inner surfaces of contact surfaces of the connecting seat and the staircase main body. And the separation of the hoisting and pouring positions causes the inconvenience of later beautification.
Description
Technical Field
The invention relates to the field of prefabricated stairs, in particular to a high-strength prefabricated stair.
Background
The prefabricated building is characterized in that a large amount of field operation work in the traditional building mode is transferred to a factory for carrying out, building components and accessories (such as floor slabs, wall plates, stairs, balconies and the like) are machined and manufactured in the factory, the prefabricated stairs are indispensable components of the prefabricated building, the structural strength of the existing stair is general, split design is adopted at the hanging and connecting position and the pouring position of the stair, a plurality of hole sites need to be positioned and filled after the stair is installed, later beautifying is inconvenient, the installation process is inconvenient, the existing prefabricated stair is positioned and installed through four pouring points and screws after being positioned, the connection strength of the stair is general, and the high-strength prefabricated stair is specially provided in view of the problems.
Disclosure of Invention
The invention aims to provide a high-strength prefabricated staircase, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: on one hand, the high-strength prefabricated staircase comprises a connecting seat integrally formed on the inner side of a building wall surface, wherein a staircase main body is assembled on the upper surface of the connecting seat, the staircase main body comprises a staircase board, a bottom slow walking platform is integrally formed at the bottom end of the staircase board, a top slow walking platform is integrally formed at the top end of the staircase board, pouring grooves are formed in the upper surfaces of the top slow walking platform and the bottom slow walking platform respectively, hanging columns are buried in the inner surfaces of the pouring grooves, hanging devices are sleeved on the outer surfaces of the hanging columns, the connecting seat comprises a base, a supporting groove is formed in the upper surface of the base, a screw rod is integrally formed on the upper surface of the supporting groove, a first connecting groove is formed in the upper surface of the supporting groove, a corresponding second connecting groove is formed in the lower surfaces of the top slow walking platform and the bottom slow walking platform, and connecting strips are connected on the inner surfaces of the first connecting groove and the second connecting groove in a pouring manner, the length of the first connecting groove and the second connecting groove is smaller than the width of the stair boards.
Preferably, the bottom end of the screw rod is integrally formed with a hemispherical reinforcing block supported by concrete, and the diameter of the reinforcing block is the same as the width of the pouring groove.
Preferably, the upper surface of the stair tread is provided with a step, and the upper surface of the step is provided with an anti-slip groove.
Preferably, the inner wall surface of the pouring groove is uniformly provided with reinforcing grooves.
Preferably, hang and connect the device including hanging the union piece, the lower skin weld of hanging the union piece has the chain, rings have been cup jointed to the bottom of chain, rings's bottom integrated into one piece has the go-between, the bottom of go-between cup joints the surface at hanging the connector post, the spout has been seted up to the bottom inner wall of go-between, the spring has been cup jointed to the internal surface of spout, the medial extremity of spring is equipped with the ball.
Preferably, the connecting ring is formed by welding a first ring body, a second ring body and a third ring body, the diameters of the inner walls of the first ring body and the third ring body are larger than the diameter of the outer side end of the hanging column and smaller than the diameter of the inner side end of the hanging column, and the diameter of the inner wall of the second ring body is larger than or equal to the diameter of the inner side end of the hanging column.
Preferably, the connecting strip comprises an I-shaped strip, a support is sleeved at the outer side end of the I-shaped strip, and a pouring strip is poured and formed on the outer surfaces of the I-shaped strip and the support.
Compared with the prior art, the invention has the beneficial effects that: the high-strength prefabricated staircase with the novel pouring hole structure is provided, when the high-strength prefabricated staircase is manufactured, the inside of a staircase board is bundled and welded with reinforcing steel bars by adopting a cross twisting process, the structural strength of a reinforcing steel bar connecting point is improved, then the prefabricated staircase is prefabricated and formed, the hanging columns embedded in the pouring grooves are convenient to install and disassemble a hanging device, the integral hoisting is convenient, the pouring positioning can be realized after the hoisting, the strength of pouring points can be synchronously improved, the reserved hole positions of the existing prefabricated staircase are reduced, the installing and connecting strength is improved, the problems that the structural strength of the existing prefabricated staircase is general, and the later stage beautification is inconvenient due to the separation of the hanging and pouring positions are effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the single-step stairway of the present invention;
FIG. 3 is a sectional view of the single step staircase according to the present invention;
FIG. 4 is a sectional view of the bottom slow walking platform of the present invention;
FIG. 5 is a cutaway assembled view of the suspension apparatus of the present invention;
fig. 6 is a schematic view of a cut-away assembly of the pouring connecting strip of the present invention.
In the figure: 1. the connecting seat, 11, a base, 12, a bracket, 13, a first connecting groove, 14, a screw rod, 2, a stair main body, 21, a stair board, 22, a step, 23, an anti-skid groove, 24, a bottom slow walking platform, 25, a pouring groove, 26, a second connecting groove, 27, a top slow walking platform, 28, a hanging connecting column, 29, a reinforcing groove, 3, a hanging connecting device, 31, a hanging connecting piece, 32, a chain, 33, a hanging ring, 34, a connecting ring, 35, a sliding groove, 36, a ball, 37, a first ring body, 38, a second ring body, 39, a third ring body, 4, a connecting strip, 41, a pouring strip, 42, an I-shaped strip, 43 and a support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a high strength prefabricated staircase, including integrated into one piece in the inboard connecting seat 1 of building wall, the upper surface of connecting seat 1 is equipped with stair main part 2, stair main part 2 includes stair board 21, stair board 21's bottom integrated into one piece has end and slowly walks the platform 24, stair board 21's top integrated into one piece has top and slowly walks the platform 27, top and slowly walks the platform 27 and slowly walks the upper surface of platform 24 and has all seted up pouring groove 25, the internal surface of pouring groove 25 has buried connecting post 28 underground, the surface of hanging connecting post 28 has cup jointed hangs connecting device 3, connecting seat 1 includes base 11, support groove 12 has been seted up to base 11's upper surface, the upper surface integrated into one piece of support groove 12 has screw rod 14, first connecting groove 13 has been seted up to support groove 12's upper surface, the second connecting groove 26 that corresponds has been seted up to top and slowly walks the lower surface of platform 27 and slowly walks the platform 24, the internal surface of first connecting groove 13 and second connecting groove 26 is connected with pours connecting strip 4.
The high-strength prefabricated staircase with the novel pouring hole structure is provided, when the high-strength prefabricated staircase is manufactured, the inside of a staircase board 21 is bundled and welded with reinforcing steel bars by adopting a cross twisting process, the structural strength of a reinforcing steel bar connecting point is improved, then the prefabricated staircase is prefabricated and formed, the hanging and connecting columns 28 embedded in the pouring grooves 25 are convenient to install and disassemble the hanging and connecting devices 3, the integral hoisting is convenient, the pouring and positioning can be realized after the hoisting, the strength of pouring points can be synchronously improved, the reserved hole sites of the existing prefabricated staircase are reduced, the mounting and connecting strength is improved, and the problems that the structural strength of the existing prefabricated staircase is general, and the later-stage beautification is inconvenient due to the separation of the hanging and pouring positions are effectively solved.
Specifically, the bottom end integrated into one piece of screw rod 14 has the hemisphere reinforcing block that is supported by the concrete, and the diameter of reinforcing block is the same with the width of pouring groove 25, and when hoist and mount whereabouts, the hemisphere reinforcing block can provide certain guide effect, still has spacing effect simultaneously, and the most important effect is for the support reinforcement of screw rod 14 bottom, avoids the bending of screw rod 14.
Specifically, the upper surface of the stair tread 21 is provided with a step 22, and the upper surface of the step 22 is provided with an anti-slip groove 23.
Specifically, reinforcing grooves 29 are uniformly formed in the inner wall surface of the pouring groove 25, and the contact area between the pouring groove 25 and concrete is increased during pouring through the reinforcing grooves 29 which are uniformly formed, so that the connection strength after pouring is improved.
Specifically, the hoisting device 3 comprises a hoisting member 31, a chain 32 is welded on the lower surface of the hoisting member 31, a hoisting ring 33 is sleeved on the bottom end of the chain 32, a connection ring 34 is integrally formed at the bottom end of the hoisting ring 33, the bottom end of the connection ring 34 is sleeved on the outer surface of the hoisting post 28, a sliding groove 35 is formed in the inner wall of the bottom end of the connection ring 34, a spring is sleeved on the inner surface of the sliding groove 35, and a ball 36 is assembled at the inner side end of the spring.
Specifically, the connecting ring 34 is formed by welding a first ring body 37, a second ring body 38 and a third ring body 39, the inner wall diameters of the first ring body 37 and the third ring body 39 are larger than the outer end diameter of the hanging post 28 and smaller than the inner end diameter of the hanging post 28, and the inner wall diameter of the second ring body 38 is larger than or equal to the inner end diameter of the hanging post 28.
Particularly, the connecting strip 4 comprises an I-shaped strip 42, a support 43 is sleeved at the outer side end of the I-shaped strip 42, a pouring strip 41 is formed on the outer surfaces of the I-shaped strip 42 and the support 43 in a pouring mode, the connecting strip 4 is a structure formed inside the first connecting groove 13 and the second connecting groove 26 and used for reinforcing and positioning after the stair main body 2 is installed, and the connecting strength of the existing assembled stair is effectively improved.
Particularly, the length of seting up of first spread groove 13 and second spread groove 26 is less than the width of stair board 21, the orientation of seting up of first spread groove 13 and second spread groove 26 is seted up for relative inboard, it sets up for the outside to set up in the legend for better observation, as legend 1 shows, in practical application, the orientation of seting up of first spread groove 13 and second spread groove 26 is seted up for the inboard, be convenient for pour, avoid receiving blockking of both ends wall, adopt the dead structure of one end opening one end seal, can effectual improvement efficiency of pouring, avoid pouring back concrete outflow, after pouring the completion, direct opening that will expose is stifled to death alright positioning concrete.
On the other hand, the hoisting and installing method of the high-strength prefabricated staircase comprises the following steps:
And 2, connecting the top of the hoisting device 3 to the tail end of a hoisting steel cable, and adjusting the length proportion of the hoisting steel cable to enable the upper surface edges of the top slow walking platform 27 and the bottom slow walking platform 24 to be in a horizontal state.
And 3, hoisting the stair body 2 and moving the stair body to a position right above the corresponding connecting seat 1, and then controlling the stair body 2 to fall at a constant speed, so that the top slow walking platform 27 and the bottom slow walking platform 24 fall to the upper surface of the corresponding bracket 12, and the screw 14 is inserted into the pouring groove 25.
And 4, checking whether the installation relative position of the stair main body 2 is consistent with the drawing.
And 5, finally, detaching the hoisting device 3, arranging the internal components of the connecting strip 4 into the first connecting groove 13 and the second connecting groove 26, and filling concrete into the cavity formed by the pouring groove 25, the first connecting groove 13 and the second connecting groove 26 for solidification connection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prefabricated staircase of high strength, includes integrated into one piece in inboard connecting seat (1) of building wall, its characterized in that: the upper surface of the connecting seat (1) is provided with a stair main body (2), the stair main body (2) comprises a stair board (21), the bottom end of the stair board (21) is integrally formed with a bottom slow walking platform (24), the top end of the stair board (21) is integrally formed with a top slow walking platform (27), the upper surfaces of the top slow walking platform (27) and the bottom slow walking platform (24) are both provided with a pouring groove (25), the inner surface of the pouring groove (25) is embedded with a hanging connecting column (28), the outer surface of the hanging connecting column (28) is sleeved with a hanging connecting device (3), the connecting seat (1) comprises a base (11), the upper surface of the base (11) is provided with a bracket (12), the upper surface of the bracket (12) is integrally formed with a screw rod (14), the upper surface of the bracket (12) is provided with a first connecting groove (13), the lower surfaces of the top slow walking platform (27) and the bottom slow walking platform (24) are provided with a corresponding second connecting groove (26), the inner surfaces of the first connecting groove (13) and the second connecting groove (26) are connected with a connecting strip (4) in a pouring mode, and the opening length of the first connecting groove (13) and the second connecting groove (26) is smaller than the width of the stair board (21).
2. A high strength prefabricated staircase according to claim 1, characterized in that: the bottom end of the screw rod (14) is integrally formed with a hemispherical reinforcing block supported by concrete, and the diameter of the reinforcing block is the same as the width of the pouring groove (25).
3. A high strength prefabricated staircase according to claim 1, characterized in that: the upper surface of the stair board (21) is provided with a step (22), and the upper surface of the step (22) is provided with an anti-skidding groove (23).
4. A high strength prefabricated staircase according to claim 1, characterized in that: reinforcing grooves (29) are uniformly formed in the inner wall surface of the pouring groove (25).
5. A high strength prefabricated staircase according to claim 1, characterized in that: hang and connect device (3) including hanging union piece (31), the lower skin weld of hanging union piece (31) has chain (32), rings (33) have been cup jointed to the bottom of chain (32), the bottom integrated into one piece of rings (33) has go-between (34), the surface at hanging connector post (28) is cup jointed to the bottom of go-between (34), spout (35) have been seted up to the bottom inner wall of go-between (34), the internal surface of spout (35) has cup jointed the spring, the medial extremity of spring is equipped with ball (36).
6. A high strength prefabricated staircase according to claim 5, characterized in that: the connecting ring (34) is formed by welding a first ring body (37), a second ring body (38) and a third ring body (39), the diameters of the inner walls of the first ring body (37) and the third ring body (39) are larger than the diameter of the outer side end of the hanging column (28) and smaller than the diameter of the inner side end of the hanging column (28), and the diameter of the inner wall of the second ring body (38) is larger than or equal to the diameter of the inner side end of the hanging column (28).
7. A high strength prefabricated staircase according to claim 1, characterized in that: the connecting strip (4) comprises an I-shaped strip (42), a support (43) is sleeved at the outer side end of the I-shaped strip (42), and a pouring strip (41) is formed on the outer surfaces of the I-shaped strip (42) and the support (43) in a pouring mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822435.XU CN214785468U (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822435.XU CN214785468U (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214785468U true CN214785468U (en) | 2021-11-19 |
Family
ID=78688264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822435.XU Active CN214785468U (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214785468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089950A (en) * | 2021-04-21 | 2021-07-09 | 济南一建集团有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
-
2021
- 2021-04-21 CN CN202120822435.XU patent/CN214785468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089950A (en) * | 2021-04-21 | 2021-07-09 | 济南一建集团有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
| CN113089950B (en) * | 2021-04-21 | 2024-08-23 | 济南一建集团有限公司 | Hoisting and installing method for high-strength prefabricated stairway |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113089950A (en) | High-strength prefabricated staircase and hoisting installation method thereof | |
| CN104712143B (en) | A kind of circular steel reinforced concrete chimney wall reverse mould construction method | |
| CN201221193Y (en) | High altitude packway ceiling construction operating platform | |
| CN107100074A (en) | A kind of lower bearing arch bridge concrete bridge deck construction method | |
| CN214785468U (en) | High-strength prefabricated staircase | |
| CN111622781A (en) | Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining | |
| CN216341336U (en) | Adjustable inverted frame structure of 750 x 750mm cross-section holding rod system | |
| CN207290429U (en) | A kind of stair prefabricated-member mould | |
| CN205063056U (en) | Anticorrosion structure of node is hung futilely to assembly type structure outer wall | |
| CN107816209B (en) | The large-scale Roof Truss construction technology of installation is lifted across outer two sides | |
| CN206692230U (en) | A kind of skyscraper row is hung | |
| CN208533894U (en) | A kind of lightweight precast concrete stair | |
| CN209011364U (en) | A kind of vertical connector of precast wall body | |
| CN208039666U (en) | Assembled stairs module | |
| CN204475714U (en) | A kind of ready-package precast stair | |
| CN109457881A (en) | A kind of stair and its manufacture craft of fabricated structure | |
| CN205242891U (en) | Prefabricated hollow staircase | |
| CN214576005U (en) | Simple shaping passage stair device for all-steel climbing frame | |
| CN106939558B (en) | A kind of arch bridge main girder construction Hanging Basket and its construction method | |
| CN207498986U (en) | Pipe gallery Quick Release formwork erecting structure | |
| CN107859066B (en) | Quick-dismantling formwork structure of comprehensive pipe rack and construction method thereof | |
| CN209339010U (en) | Walking bridge floor faces side barrel structure | |
| CN208455871U (en) | A kind of concrete assembled construction wall | |
| CN215484182U (en) | Prefabricated staircase convenient to installation | |
| CN112854634B (en) | Assembling method of assembled prefabricated staircase |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |