CN218406137U - Split type prefabricated stair construction structures - Google Patents

Abstract

The utility model discloses a split type prefabricated staircase construction structures, prefabricated staircase including two symmetries are assembled, slow down the step platform and slow down the step platform on, prefabricated staircase includes the flier, bottom footboard and top footboard, all be provided with the location arch on the bottom surface of bottom footboard and the bottom surface of top footboard, slow down the step platform and last slow step bench all is provided with positioning groove down, all be provided with the concrete mortar layer in assembling the seam between two prefabricated staircases and in the cooperation clearance of location arch and positioning groove, be located two prefabricated staircases respectively and corresponding two rectangle breachs assemble and form a rectangle recess, install connection steel sheet in the rectangle recess. The utility model discloses a split type prefabricated staircase has the hoist and mount of being convenient for, and the high advantage of hoist and mount security, and a plurality of connection steel sheet can form a stable connection structure on the slope bottom surface of two prefabricated staircase's flier, can strengthen two prefabricated staircase's joint strength, improves two prefabricated staircase's bearing capacity.

Description

Split type prefabricated stair construction structures

Technical Field

The utility model belongs to the technical field of the prefabricated stair construction, concretely relates to split type prefabricated stair construction structures.

Background

At present, the stairs used in newly built buildings such as houses, office buildings and the like are generally in the following modes: in a cast-in-place concrete structure, a cast-in-place mode is adopted to form the stairs, and the cast-in-place stairs have irregular steps, so that the construction of a formwork is very troublesome, the stairs are heavy in self weight, and the manufacturing cost is high; in a steel structure building, a prefabricated steel structure stair is generally adopted, the prefabricated steel structure stair is high in manufacturing cost and inconvenient to weld and install, and secondary decoration is needed; in the fabricated concrete structure, a precast concrete stair is generally adopted, and the precast concrete stair is manufactured in a precast factory and is transported to a construction site for assembly, but in the actual process of on-site assembly, because the precast concrete stair is heavy and has a special structure, medium and large hoisting equipment needs to be configured on the site, and the hoisting safety is poor; therefore, a split type prefabricated staircase construction structure convenient for safe hoisting should be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a split type prefabricated staircase construction structures, its simple structure, reasonable in design, two split type prefabricated staircases have be convenient for hoist and mount, and hoist and mount the high advantage of security, and a plurality of steel connecting plates can form a stable connection structure on the slope bottom surface of the flier of two prefabricated staircases, can strengthen the joint strength of the flier of two prefabricated staircases, improve the bearing capacity of the flier of two prefabricated staircases.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a split type prefabricated staircase construction structures which characterized in that: including two the same and symmetry prefabricated staircase of assembling of structure, setting two the lower platform of slowing down of prefabricated staircase bottom with set up two the last platform of slowing down on prefabricated staircase top, prefabricated staircase includes the flier, sets up the bottom footboard of flier bottom is in with the setting the top footboard of flier top, the bottom surface of bottom footboard with all be provided with the location arch on the bottom surface of top footboard, slow down the platform with go up slow step bench all be provided with the protruding matched with positioning groove in location, two assemble in the seam between the prefabricated staircase and the location arch with all be provided with the concrete mortar layer in positioning groove's the fit clearance, set up on the side of assembling of prefabricated staircase a plurality of be the interval lay and all with the rectangle breach that the slope bottom surface of flier link up mutually is located two respectively prefabricated staircase and corresponding two the rectangle breach forms a rectangle recess, install the connection steel sheet in the rectangle recess.

Foretell split type prefabricated staircase construction structures, its characterized in that: and a damping rubber pad is arranged between the positioning bulge and the positioning groove.

Foretell split type prefabricated staircase construction structures, its characterized in that: a first waterproof sealing layer is arranged on the tread surface of the concrete mortar layer, and a second waterproof sealing layer is arranged on the non-tread surface of the concrete mortar layer.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a set up two same and symmetrical prefabricated staircases of structure, set up the lower slow-moving platform in two prefabricated staircase bottoms, set up the upper slow-moving platform in two prefabricated staircase tops, during actual construction, two split type prefabricated staircases are assembled and form an integral prefabricated staircase, two split type prefabricated staircases have the hoist and mount of being convenient for, and hoist and mount the advantage that the security is high; positioning bulges are arranged on the bottom surface of the bottom pedal and the bottom surface of the top pedal, positioning grooves are arranged on the lower slow walking platform and the upper slow walking platform, and the prefabricated staircase and the lower slow walking platform and the prefabricated staircase and the upper slow walking platform can be clamped and assembled through the mutual matching of the positioning bulges and the positioning grooves; all set up the concrete mortar layer in assembling the seam and the protruding cooperation clearance with positioning groove of location through between two prefabricated staircases, make between two prefabricated staircases, between prefabricated staircase and the lower platform of slowing down and prefabricated staircase and the last platform of slowing down between equal fixed connection as an organic whole, can guarantee split type prefabricated staircase assembly structure's stability.

2. The utility model discloses a set up a plurality of rectangle breachs on the side of assembling of prefabricated stair, when actually assembling, be located two prefabricated stairs respectively and two corresponding rectangle breachs assemble and form a rectangle recess, because a plurality of rectangle breachs are the interval and lay and all link up mutually with the slope bottom surface of flier, through erection joint steel plate in the rectangle recess, a plurality of connection steel plate can form a stable connection structure on the slope bottom surface of the flier of two prefabricated stairs, can strengthen the joint strength of the flier of two prefabricated stairs, improve the bearing capacity of the flier of two prefabricated stairs.

3. The utility model has the advantages of simple structure and reasonable design, low in manufacturing cost, facilitate promotion is used.

To sum up, the utility model has the advantages of simple structure and reasonable design, two split type prefabricated stairs have be convenient for hoist and mount, and hoist and mount security height, and a plurality of steel connecting plate can form a stable connection structure on the slope bottom surface of two prefabricated stair's flier, can strengthen the joint strength of two prefabricated stair's flier, improve the bearing capacity of two prefabricated stair's flier.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure schematic diagram of the prefabricated staircase of the utility model.

Fig. 3 is a view taken along direction a of fig. 1.

Fig. 4 is a view from direction B of fig. 1.

Description of reference numerals:

1, prefabricating a stair; 1-step plate; 1-2-bottom tread;

1-3-top tread; 2, positioning a bulge; 3, positioning a groove;

4-rectangular notch; 5, descending a slow walking platform; 6, mounting a slow walking platform;

7, damping rubber pads; 8-concrete mortar layer; 9-connecting steel plates;

10-expansion bolts; 11-a first waterproof sealing layer; 12-a second waterproof sealing layer.

Detailed Description

As shown in fig. 1 to 4, the utility model discloses a prefabricated staircase 1 that two structures are the same and the symmetry is assembled, set up two the lower platform 5 that retards of prefabricated staircase 1 bottom with set up two the last platform 6 that retards on prefabricated staircase 1 top, prefabricated staircase 1 includes step board 1-1, sets up bottom footboard 1-2 and the setting of step board 1-1 bottommost are in the top footboard 1-3 of step board 1-1 topmost, bottom footboard 1-2's bottom surface with all be provided with location arch 2 on the bottom surface of top footboard 1-3, slow down platform 5 down with all be provided with on last platform 6 that retards with location arch 2 matched with positioning groove 3, two in the assembly seam between the prefabricated staircase 1 and location arch 2 with all be provided with concrete mortar layer 8 in the fit clearance of positioning groove 3, set up on the side 1-4 of prefabricated rectangle staircase 1 a plurality of being and being the interval and all with the bottom surface that the step board 1-1 link up mutually and the slope 4 that sets up respectively is located two corresponding notches 9 that connect the notch and install the steel sheet in the rectangle 1-4.

In the embodiment, two prefabricated stairways 1 which are identical in structure and symmetrically assembled are arranged, the lower slow walking platforms 5 are arranged at the bottom ends of the two prefabricated stairways 1, and the upper slow walking platforms 6 are arranged at the top ends of the two prefabricated stairways 1, so that during actual construction, the two split prefabricated stairways 1 are assembled to form an integral prefabricated staircase, and the two split prefabricated stairways 1 have the advantages of convenience in hoisting and high hoisting safety; positioning protrusions 2 are arranged on the bottom surfaces of the bottom pedals 1-2 and the top pedals 1-3, positioning grooves 3 are arranged on the lower slow walking platform 5 and the upper slow walking platform 6, and the prefabricated staircase 1 and the lower slow walking platform 5 and the prefabricated staircase 1 and the upper slow walking platform 6 can be clamped and assembled through the mutual matching of the positioning protrusions 2 and the positioning grooves 3; through two in the assembly seam between the prefabricated stair 1 and the location protruding 2 with all set up concrete mortar layer 8 in positioning groove 3's the fit clearance, make two between the prefabricated stair 1 and the lower stage of slowing down and prefabricated stair 1 and last stage of slowing down between the stage 6 equal fixed connection as an organic whole, can guarantee split type prefabricated stair 1 assembly structure's stability.

In this embodiment, through set up a plurality of rectangle breach 4 on the side 1-4 of assembling of prefabricated staircase 1, when actually assembling, be located two respectively on the prefabricated staircase 1 and corresponding two rectangle breach 4 assembles and forms a rectangle recess, because a plurality of rectangle breachs 4 are the interval and lay and all link up with the inclined bottom surface of flier 1-1, through installing connecting steel plate 9 in the rectangle recess, a plurality of connecting steel plate 9 can form a stable connection structure on the inclined bottom surface of the flier 1-1 of two prefabricated staircases 1, can strengthen the joint strength of the flier 1-1 of two prefabricated staircases 1, improve the bearing capacity of the flier 1-1 of two prefabricated staircases 1.

As shown in fig. 1, 2 and 3, in the present embodiment, two ends of the connecting steel plate 9 are respectively and fixedly installed in the two rectangular notches 4 through two sets of expansion bolts 10.

As shown in fig. 1, in the present embodiment, a cushion rubber pad 7 is disposed between the positioning protrusion 2 and the positioning groove 3.

In this embodiment, the shock-absorbing rubber pad 7 has two horizontal planes and a perpendicular connection face that the dislocation parallel was laid, can reduce the vibrations that prefabricated staircase 1 bore.

In this embodiment, a first waterproof sealing layer 11 is disposed on the tread surface of the concrete mortar layer 8, and a second waterproof sealing layer 12 is disposed on the non-tread surface of the concrete mortar layer 8.

As shown in fig. 1, 3 and 4, during actual construction, firstly, hoisting the lower slow walking platform 5 and the upper slow walking platform 6 in sequence, completing the fixed connection between the lower slow walking platform 5 and the shear wall/column and between the upper slow walking platform 6 and the shear wall/column, and paving the shock-absorbing rubber pads 7 in the positioning grooves 3 of the lower slow walking platform 5 and the positioning grooves 3 of the upper slow walking platform 6; secondly, hoisting the two prefabricated staircases 1 in sequence to enable the two positioning protrusions 2 of the prefabricated staircases 1 to be clamped in the positioning grooves 3 of the lower slow walking platform 5 and the positioning grooves 3 of the upper slow walking platform 6 respectively; subsequently, the plurality of connection steel plates 9 are mounted; and finally, concrete mortar is cast in situ in the assembly joint between the two prefabricated staircases 1, the positioning bulge 2 and the fit clearance of the positioning groove 3 to form a concrete mortar layer 8, after the concrete mortar layer 8 in the assembly joint between the two prefabricated staircases 1 is initially set, a first waterproof sealing layer 11 is smeared on the treading surface of the concrete mortar layer 8, and a second waterproof sealing layer 12 is smeared on the non-treading surface of the concrete mortar layer 8.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (3)

1. The utility model provides a split type prefabricated staircase construction structures which characterized in that: including two prefabricated stairs (1) that the structure is the same and the symmetry is assembled, set up in two lower slow walking platform (5) of prefabricated stair (1) bottom and set up in two last slow walking platform (6) on prefabricated stair (1) top, prefabricated stair (1) include step board (1-1), set up bottom footboard (1-2) and the setting of step board (1-1) bottom are in all be provided with location arch (2) on the bottom surface of bottom footboard (1-2) with the bottom surface of top footboard (1-3), slow walking platform (5) down with all be provided with on last slow walking platform (6) with location arch (2) matched with location recess (3), two in the prefabricated stair (1) and the location arch (2) with the cooperation clearance of location recess (3) and the rectangle (2) and the location rectangle (1) with the cooperation clearance of location recess (3) all be provided with concrete grout layer (8) in the setting up of prefabricated stair (1-4) and the setting up of assembling stair (1-4) and the prefabricated stair (1-4) and two corresponding gaps that the prefabricated stair (1-4) link up respectively form a plurality of gaps and two gaps are equipped with the prefabricated stair (1-4) and assemble the gap, and a connecting steel plate (9) is arranged in the rectangular groove.

2. A split type prefabricated staircase construction structure as claimed in claim 1, wherein: and a damping rubber pad (7) is arranged between the positioning bulge (2) and the positioning groove (3).

3. A split type prefabricated staircase construction structure as claimed in claim 1, wherein: a first waterproof sealing layer (11) is arranged on the tread surface of the concrete mortar layer (8), and a second waterproof sealing layer (12) is arranged on the non-tread surface of the concrete mortar layer (8).

Images