CN113089950A - High-strength prefabricated staircase and hoisting installation method thereof - Google Patents
High-strength prefabricated staircase and hoisting installation method thereof Download PDFInfo
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- CN113089950A CN113089950A CN202110429592.9A CN202110429592A CN113089950A CN 113089950 A CN113089950 A CN 113089950A CN 202110429592 A CN202110429592 A CN 202110429592A CN 113089950 A CN113089950 A CN 113089950A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/26—Implements for finishing work on buildings for mounting staircases, e.g. tools for marking steps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a high-strength prefabricated staircase and a hoisting and mounting method thereof, the high-strength prefabricated staircase comprises a connecting seat which is integrally formed on the inner side of a building wall surface, a staircase main body is assembled on the upper surface of the connecting seat, the staircase main body comprises a stair tread, pouring grooves are formed in the bottom end and the top end of the stair tread, hoisting posts are buried in the inner surfaces of the pouring grooves, hoisting devices are sleeved on the outer surfaces of the hoisting posts, 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 staircases, in particular to a high-strength prefabricated staircase and a hoisting and installing method thereof.
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, a 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, and the existing prefabricated stair is positioned and installed through four pouring points and screws after being positioned, so that the connection strength of the stair is general, and in view of the problems, the high-strength prefabricated stair and the hanging and installing method thereof are specially provided.
Disclosure of Invention
The invention aims to provide a high-strength prefabricated staircase and a hoisting and installing method thereof, which aim to solve the problems in the background technology.
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 which is integrally formed on the inner side of the building wall surface, the upper surface of the connecting seat is provided with a stair main body which comprises a stair board, the bottom end of the stair board is integrally formed with a bottom slow walking platform, the top end of the stair board is integrally formed with a top slow walking platform, the upper surfaces of the top slow walking platform and the bottom slow walking platform are both provided with pouring grooves, the inner surface of the pouring groove is embedded with a hanging column, the outer surface of the hanging column is sleeved with a hanging device, the connecting seat comprises a base, the upper surface of the base is provided with a bracket, the upper surface of the bracket is integrally formed with a screw rod, first spread groove has been seted up to the upper surface in support groove, the top is slowed step the platform and is seted up corresponding second spread groove with the lower surface of end is slowed step the platform, the internal surface of first spread groove and second spread groove is pour and is connected with the connecting strip.
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, hang and connect the bottom inner wall of trading and seted up the spout, the internal surface of spout has cup jointed the spring, 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.
On the other hand, the hoisting and installing method of the high-strength prefabricated staircase comprises the following steps:
and 5, finally, dismantling the hoisting device, arranging the internal components of the connecting strips into the first connecting groove and the second connecting groove, and filling concrete into a cavity formed by the pouring groove and the first connecting groove and the second connecting groove for solidification connection.
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.
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 connecting ring 34 is integrally formed at the bottom end of the hoisting ring 33, the bottom end of the connecting 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 hoisting post 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 (8)
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), and 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 way.
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 connecting piece (31), the lower skin weld of hanging connecting 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 of hanging connecting post (28) is cup jointed to the bottom of go-between (34), hang and connect the bottom inner wall of changing (34) and seted up spout (35), 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.
8. A hoisting and installing method of a high-strength prefabricated staircase comprises the following steps:
step 1, firstly, cleaning dust and sandy soil on the upper surface of a bracket (12);
step 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;
step 3, hoisting the stair main body (2) and moving the stair main body to a position right above the corresponding connecting seat (1), then controlling the stair main 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);
step 4, checking whether the installation relative position of the stair main body (2) is consistent with a drawing;
and 5, finally, removing 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 a cavity formed by the pouring groove (25) and the first connecting groove (13) and the second connecting groove (26) for solidification connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429592.9A CN113089950A (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase and hoisting installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429592.9A CN113089950A (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase and hoisting installation method thereof |
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| CN113089950A true CN113089950A (en) | 2021-07-09 |
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| CN202110429592.9A Pending CN113089950A (en) | 2021-04-21 | 2021-04-21 | High-strength prefabricated staircase and hoisting installation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605618A (en) * | 2021-09-22 | 2021-11-05 | 江苏杰震建设科技有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
| CN114809488A (en) * | 2022-06-28 | 2022-07-29 | 南通科达建材科技股份有限公司 | Assembly type building waterproof reinforced ribbed concrete prefabricated part |
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| CN211622348U (en) * | 2020-01-18 | 2020-10-02 | 广州众粤市政园林设计工程有限公司 | Concrete prefabricated staircase |
| CN214785468U (en) * | 2021-04-21 | 2021-11-19 | 济南一建集团有限公司 | High-strength prefabricated staircase |
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2021
- 2021-04-21 CN CN202110429592.9A patent/CN113089950A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113605618A (en) * | 2021-09-22 | 2021-11-05 | 江苏杰震建设科技有限公司 | High-strength prefabricated staircase and hoisting installation method thereof |
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| CN114809488A (en) * | 2022-06-28 | 2022-07-29 | 南通科达建材科技股份有限公司 | Assembly type building waterproof reinforced ribbed concrete prefabricated part |
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