CN215907234U

CN215907234U - Prefabricated filling plate type stair

Info

Publication number: CN215907234U
Application number: CN202122178090.1U
Authority: CN
Inventors: 张永初; 李飞朋; 李福军; 任红专; 曹志刚; 丁云鹤; 仉旭; 李豪阳; 刘子伟
Original assignee: Sinohydro Bureau 1 Co Ltd
Current assignee: Sinohydro Bureau 1 Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-25
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a prefabricated filling plate type stair which comprises a stair body, an upper step plate, a lower step plate, hoisting holes, lower longitudinal ribs, upper and lower distribution ribs, tie ribs and hoisting point reinforcing ribs, wherein the upper step plate is arranged on the upper portion of the stair body; according to the utility model, through the stair main body, the upper step plate and the lower step plate, the problem of plane weakness is solved, the assembled field construction assembly is enhanced, the buffering and anti-seismic effect is achieved through the polystyrene plate filling layer, the filling blocks and the self-compacting concrete layer are used for filling, the overall stability is improved, the concrete is guaranteed to be well compacted, the time required by concrete pouring is greatly shortened, the abrasion of the template caused by vibration is avoided, the cost is reduced in multiple aspects such as labor and quality guarantee, meanwhile, the installation is more convenient through the mutual matching of the nuts and the bolt columns, and the connection stability is improved.

Description

Prefabricated filling plate type stair

Technical Field

The utility model relates to a prefabricated filling plate type stair.

Background

The prefabricated staircase has the advantages of high standardization degree, convenient production and construction, remarkable quality improvement, reduction of a large number of templates and manual operation compared with a cast-in-place staircase, and overcomes the problems of obsolescence, low construction precision, poor finished product appearance quality, difficulty in vibration during pouring and the like of the traditional concrete cast-in-place staircase construction method.

Based on the above problem, it is desirable to provide a prefabricated infill panel stair that can solve the problem.

Disclosure of Invention

The utility model aims to provide a prefabricated filling plate type stair.

The utility model is realized by the following technical scheme:

a prefabricated filling plate type stair comprises a stair body, an upper tread plate, a lower tread plate, a hoisting hole, lower longitudinal ribs, upper and lower distribution ribs, tie ribs and hoisting point reinforcing ribs, the upper step plate is arranged at the position of the stair main body close to the top, the lower step plate is arranged at the position of the stair main body close to the bottom, the surface of the stair body is provided with the hoisting holes, the inner side of the stair body close to the bottom is provided with the lower longitudinal ribs, the upper longitudinal ribs are arranged at the position close to the top of the inner side of the stair main body, the upper and lower distribution ribs are arranged at the inner position of the stair main body at equal intervals, the positions of the front end and the rear end of the upper and lower distribution ribs are provided with the tie ribs, and the top position of the lower longitudinal rib is provided with the lifting point reinforcing ribs.

Preferably, go up the inboard position department of step board and be provided with first edge stirrup, just go up the inside position department equidistance of step board and arrange and have first edge to indulge the muscle, the position department of going up step board is provided with first preformed hole, just go up the inside position department of step board and be provided with first entrance to a cave strengthening rib, the bottom of going up the step board is equipped with chooses the ear, just the position department of choosing the ear top is connected with the bolt post, the position department on bolt post surface has the nut through threaded connection, just the bolt post extends to go up the inboard of step board, go up the step board with choose the position department that the ear is connected to be provided with the polyphenyl board filling layer, just first preformed hole inboard with the surface of bolt post all fills there is the cement mortar filling layer.

Preferably, the inboard position department of step board is provided with the marginal stirrup of second, just the inside position department equidistance of step board is arranged down and is had the second edge to indulge the muscle, the position department on step board surface is provided with the second preformed hole down, just the inboard position department of step board is provided with the second entrance to a cave strengthening rib down, the inboard position department of step board is provided with the angle bead down.

Preferably, the hoisting point reinforcing ribs penetrate through the hoisting hole and extend to the outside of the hoisting hole, and the upper end surface and the lower end surface of the upper distribution rib and the lower distribution rib are fixedly connected with the surfaces of the upper longitudinal rib and the lower longitudinal rib respectively.

Preferably, the stair main part go up the step board with step board formula structure as an organic whole down, the stair main part go up the step board with step board is poured by self-compaction concrete layer and is made down, the stair main part go up the step board with the inboard position department of step board all is provided with the filling block down.

Preferably, the first edge longitudinal rib is fixedly connected with the first edge hoop rib, and the first edge hoop rib is fixedly connected with the upper longitudinal rib and the lower longitudinal rib.

Preferably, the surface of the corner bead is fixedly connected with the second edge longitudinal rib, and the second edge longitudinal rib is fixedly connected with the second edge stirrup.

The utility model has the beneficial effects that: the utility model solves the problems that the prefabricated staircase is arranged on the side of an outer shear wall, has weak integral drawing and connecting effect on the house types on the two sides of a core cylinder and is positioned at the connecting part of each house type limb and the core cylinder, and the connecting part has plate width weakening and thin waist and other plane weakness in different degrees, enhances the assembly type field construction assembly, accelerates the field construction speed, improves the construction efficiency, reduces the self weight of the prefabricated staircase, improves the connecting stability of the prefabricated staircase and the main body, reduces the input of mechanical cost of a tower crane and the like, plays a role in buffering and resisting earthquake through a polystyrene board filling layer, improves the integral stability through filling blocks and a self-compacting concrete layer, ensures that the concrete is well compacted, greatly shortens the time required by the concrete, avoids the abrasion of the template caused by vibration, reduces the cost in various aspects such as manpower and quality assurance, meanwhile, the nut and the bolt column are matched with each other, so that the installation is more convenient, and the connection stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a schematic structural view of the stair body of the present invention;

FIG. 5 is a schematic cross-sectional view of the upper step plate according to the present invention.

In the figure: 1. a stair body; 2. an upper step plate; 3. a step plate is arranged at the lower part; 4. hoisting holes; 5. lower longitudinal ribs; 6. an upper longitudinal rib; 8. stretching the ribs; 9. hoisting point reinforcing ribs; 10. a first edge stirrup; 11. a first edge longitudinal rib; 12. a first preformed hole; 13. a first opening reinforcing rib; 14. a second edge stirrup; 15. a second edge longitudinal rib; 16. a second preformed hole; 17. a second opening reinforcing rib; 18. angle bead protection; 19. filling blocks; 20. ear picking; 21. a bolt column; 22. a polystyrene board filler layer; 23. a cement mortar filling layer; 24. and a nut.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The prefabricated filling plate type stair comprises a stair body 1, an upper tread plate 2, a lower tread plate 3, hoisting holes 4, lower longitudinal ribs 5, upper longitudinal ribs 6, upper and lower distribution ribs, tie ribs 8 and hoisting point reinforcing ribs 9, wherein the upper tread plate 2 is arranged at a position, close to the top, of the stair body 1, the lower tread plate 3 is arranged at a position, close to the bottom, of the stair body 1, the hoisting holes 4 are arranged at the surface position of the stair body 1, the lower longitudinal ribs 5 are arranged at a position, close to the bottom, of the inner side of the stair body 1, the upper longitudinal ribs 6 are arranged at a position, close to the top, of the inner side of the stair body 1, the upper and lower distribution ribs are arranged at equal intervals at the inner position of the stair body 1, and the front parts, the lower parts and the upper parts of the distribution ribs are arranged at equal intervals, The positions of the two rear ends are provided with the tie bars 8, and the top position of the lower longitudinal bar 5 is provided with the lifting point reinforcing rib 9.

Play buffering antidetonation effect through polyphenyl board filling layer 22, fill through filling block 19 and self-compaction concrete layer, improved holistic stability, guarantee that the concrete is closely knit well, the time that concrete placement needs shortens by a wide margin, has avoided the wearing and tearing that the template produced of vibrating, reduces artifical and many aspects reduce cost such as assurance quality, mutually supports through nut 24 and bolt post 21 simultaneously, and more easy to assemble has improved the stability of connecting simultaneously.

In a preferred embodiment of the present invention, first edge stirrups 10 are disposed at positions inside the upper step plate 2, first edge longitudinal reinforcements 11 are equidistantly arranged at positions inside the upper step plate 2, first preformed holes 12 are disposed at positions on the surface of the upper step plate 2, first hole reinforcing ribs 13 are disposed at positions inside the upper step plate 2, a lug 20 is disposed at the bottom of the upper step plate 2, a bolt column 21 is connected at a position on the top of the lug 20, a nut 24 is connected at a position on the surface of the bolt column 21 through a screw thread, the bolt column 21 extends to the inside of the upper step plate 2, a polystyrene board filling layer 22 is disposed at a position where the upper step plate 2 is connected with the lug 20, and filling layers 23 are filled on the inside of the first preformed holes 12 and the surface of the bolt column 21, the dead weight of the prefabricated staircase is reduced.

In a preferred embodiment of the present invention, second edge stirrups 14 are disposed at positions inside the lower step plate 3, second edge longitudinal ribs 15 are equidistantly arranged at positions inside the lower step plate 3, second preformed holes 16 are disposed at positions on the surface of the lower step plate 3, second hole reinforcing ribs 17 are disposed at positions inside the lower step plate 3, and corner protection ribs 18 are disposed at positions inside the lower step plate 3, so as to improve construction efficiency.

In a preferred embodiment of the present invention, the hoisting point reinforcing ribs 9 penetrate through the hoisting hole 4 and extend to the outside of the hoisting hole 4, and the upper and lower end surfaces of the upper and lower distributed ribs are fixedly connected to the surfaces of the upper longitudinal rib 6 and the lower longitudinal rib 5, respectively, so as to accelerate the field construction speed.

In a preferred embodiment of the present invention, the stair body 1, the upper tread 2 and the lower tread 3 are an integral structure, the stair body 1, the upper tread 2 and the lower tread 3 are all made of self-compacting concrete, and the inner sides of the stair body 1, the upper tread 2 and the lower tread 3 are all provided with filling blocks 19.

In a preferred embodiment of the present invention, the first edge longitudinal rib 11 is fixedly connected to the first edge hoop rib 10, and the first edge hoop rib 10 is fixedly connected to the upper longitudinal rib 6 and the lower longitudinal rib 5, so as to avoid abrasion of the formwork caused by vibration and reduce abrasion of the concrete to the mixer.

In a preferred embodiment of the present invention, the surface of the corner bead 18 is fixedly connected to the second edge longitudinal rib 15, and the second edge longitudinal rib 15 is fixedly connected to the second edge stirrup 14.

The device has the following working processes:

when in use, the stair main body 1 is checked in the field, after the check is finished, the hanging chain is installed in the hoisting hole 4, the stair main body 1 is leveled by adjusting the length of the hanging chain, then the stair main body 1 is safely and stably hoisted to the position above the place by a crane, one side of the stair well is hoisted and constructed in a slowly inclined way, bolts are inserted into the first reserved hole 12 and the second reserved hole 16, the upper step plate 2 and the lower step plate 3 are fixed in a cast-in-place floor slab, gaps are grouted in the first reserved hole 12 and the second reserved hole 16, the upper end fixing hinge of the upper step plate 2 is filled with polystyrene boards to play a role in buffering and anti-seismic, C40-grade CGM grouting materials and mortar are adopted in the reserved pin keys to plug, the finished surface is guaranteed to be level, compact and smooth, the joints are sealed by soft PE rods and the weather-resistant sealant, the bottom is sealed by the mortar, the rustproof leveling sealant, the horizontal connection part of the prefabricated stair and the floor slab is treated by metal dividing strips, with shear force wall piece joint node, adopt fire prevention rock wool to fill, the sealed shutoff of gluing is weathered with silicone to soft PE stick, and the assembled site operation of reinforcing is prefabricated, accelerates site operation speed, improves the efficiency of construction, alleviates prefabricated stair dead weight, improves prefabricated stair and main part connection stability, reduces the input of mechanical costs such as tower crane.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a prefabricated infilled plate type stair which characterized in that: including stair main part (1), go up flier (2), step board (3) down, lifting hole (4), lower part indulge muscle (5), upper portion indulge muscle (6), distribute muscle, drawknot muscle (8) and hoisting point strengthening rib (9) from top to bottom, the position department that stair main part (1) is close to the top is provided with go up flier (2), the position department that stair main part (1) is close to the bottom is provided with step board (3) down, the surface position department of stair main part (1) is provided with lifting hole (4), the position department that the inboard of stair main part (1) is close to the bottom is provided with lower part indulges muscle (5), just the position department that the interior survey of stair main part (1) is close to the top is provided with upper portion indulges muscle (6), the inside position department of stair main part (1) is provided with the equidistance and arranges from top to bottom, distribute muscle from top to bottom, the preceding of distributing muscle, The positions of the two rear ends are provided with the tie bars (8), and the top position of the lower longitudinal bar (5) is provided with the lifting point reinforcing bar (9).

2. The prefabricated infilled slab staircase of claim 1, characterized in that: a first edge stirrup (10) is arranged at the position of the inner side of the upper step plate (2), and first edge longitudinal ribs (11) are arranged at the positions in the upper step plate (2) at equal intervals, a first preformed hole (12) is arranged at the surface of the upper step plate (2), a first hole reinforcing rib (13) is arranged at the position inside the upper step plate (2), a lifting lug (20) is arranged at the bottom of the upper step plate (2), and the top of the ear-picking (20) is connected with a bolt column (21), the surface of the bolt column (21) is connected with a nut (24) through a screw thread, and the bolt columns (21) extend to the inner side of the upper step plate (2), a polystyrene board filling layer (22) is arranged at the position where the upper step board (2) is connected with the ear-picking (20), and the inner side of the first preformed hole (12) and the surface of the bolt column (21) are filled with a cement mortar filling layer (23).

3. The prefabricated infilled slab staircase of claim 1, characterized in that: step board (3) inboard position department down is provided with second edge stirrup (14), just step board (3) inside position department equidistance is arranged down and is had second edge to indulge muscle (15), the position department on step board (3) surface is provided with second preformed hole (16) down, just step board (3) inboard position department down is provided with second entrance to a cave strengthening rib (17), step board (3) inboard position department down is provided with angle bead (18).

4. The prefabricated infilled slab staircase of claim 1, characterized in that: hoisting point strengthening rib (9) run through hoisting hole (4), and extend to the outside of hoisting hole (4), the upper and lower both ends surface of upper and lower distribution muscle respectively with muscle (6) is indulged on upper portion the lower part is indulged the fixed surface connection of muscle (5).

5. The prefabricated infilled slab staircase of claim 1, characterized in that: stair main part (1) go up flier (2) with flier (3) formula structure as an organic whole down, stair main part (1) go up flier (2) with flier (3) are pour by self-compaction concrete layer and are made down, stair main part (1) go up flier (2) with the position department of flier (3) inboard down all is provided with filling block (19).

6. The prefabricated infilled slab staircase of claim 2, characterized in that: the first edge longitudinal rib (11) is fixedly connected with the first edge stirrup (10), and the first edge stirrup (10) is fixedly connected with the upper longitudinal rib (6) and the lower longitudinal rib (5).

7. The prefabricated filled slab stairway of claim 3, wherein: the surface of the corner protection rib (18) is fixedly connected with the second edge longitudinal rib (15), and the second edge longitudinal rib (15) is fixedly connected with the second edge stirrup (14).