CN220150729U - Precast beam type stair - Google Patents

Abstract

The utility model discloses a precast beam type stair, which comprises: two support sloping, a plurality of connecting beam, a plurality of piece, a plurality of erection column and a plurality of spacing piece of marking time, two support sloping parallel arrangement each other, the both ends of each connecting beam are connected with two support sloping opposite sides respectively, the lower extreme of a plurality of erection columns and the lower extreme of a plurality of spacing piece are all installed in the upper surface that supports the sloping, a plurality of erection columns and a plurality of spacing piece all set up along the length direction who supports the sloping, each piece of marking time all has an inclined plane and a vertical face, an installation groove has all been seted up along vertical direction to each inclined plane, each erection column is all installed in an installation groove, every two spacing pieces all are connected with a vertical face. Through the application of the utility model, the prefabricated beam type stair is provided, the stair is integrally divided into a plurality of parts for installation or transportation, and the parts are assembled during use, so that the transportation efficiency is improved, the transportation cost is reduced, and the installation is convenient.

Description

Precast beam type stair

Technical Field

The utility model relates to the technical field of prefabricated stairways, in particular to a prefabricated beam type stairway.

Background

At present, when a part of assembled building is constructed, prefabricated stairways are usually adopted for assembling in order to improve the convenience of stairway construction. The prefabricated stairway comprises two inclined beams and a plurality of stepping plates, wherein the two inclined beams are arranged in parallel, two ends of each stepping plate are fixedly connected to the two inclined beams respectively, and the plurality of stepping plates are distributed along the length direction of each inclined beam. When the prefabricated staircase is manufactured, the two oblique beams and the plurality of tread plates are integrally cast and formed. When the building is constructed in a stair, hoisting equipment is used for hoisting the whole prefabricated stair so as to transport the whole prefabricated stair to a construction part of the building. However, when the whole prefabricated stair is installed or transported, the self gravity and the volume are relatively large, so that the transportation cost is high, and the installation is inconvenient.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a precast beam type stairway, including:

two support sloping, a plurality of connection crossbeam, a plurality of piece, a plurality of erection column and a plurality of spacing piece of marking time, two support sloping parallel arrangement each other, a plurality of connection crossbeam is all followed the length direction of supporting the sloping sets up, each connect the both ends of crossbeam respectively with two support sloping is just right both sides are connected, a plurality of the lower extreme of erection column and a plurality of the lower extreme of spacing piece all install in the upper surface of supporting the sloping, a plurality of erection column and a plurality of the spacing piece all are followed the length direction setting of supporting the sloping, each the piece of marking time all has an inclined plane and a vertical face, the laminating of inclined plane is in the upper surface of supporting the sloping, each inclined plane is all seted up a mounting groove along vertical direction, each the erection column all install in one in the mounting groove, every two the spacing piece all with one vertical face is connected.

In another preferred embodiment, each of the support ramps comprises: the support plate comprises a first web plate and two support plates, wherein the first web plate and the two support plates are arranged in an I shape together, the two support plates are arranged in parallel, two ends of the first web plate are connected with the two support plates respectively, and a plurality of stepping blocks and a plurality of limiting pieces are arranged on one support plate in sequence along the length direction of the support oblique beam.

In another preferred embodiment, each of the connecting beams comprises: the second web and two connecting plates are arranged in an I shape, the two connecting plates are arranged in parallel, two ends of the second web are connected with the two connecting plates respectively, the two connecting plates are mounted on one sides of the two supporting plates, which are close to each other, two ends of each connecting plate are connected with the two supporting plates respectively, and the second web is perpendicular to the first web.

In another preferred embodiment, further comprising: the connecting plate is provided with a plurality of first through holes, a plurality of second through holes, each first through hole is opposite to one second through hole, one end of each connecting bolt is sequentially installed in one first through hole and one second through hole, and each nut is installed at the other end of each connecting bolt.

In another preferred embodiment, two ends of each vertical surface are respectively provided with a containing groove, the inner contour of each containing groove is matched with the outer contour of one limiting piece, and each limiting piece is installed in one containing groove.

In another preferred embodiment, further comprising: the limiting piece is provided with a plurality of fastening bolts, a plurality of third through holes are respectively formed in the limiting piece, two ends of each vertical surface are respectively provided with a bolt hole, each third through hole is opposite to one bolt hole, and each fastening bolt is arranged in one third through hole and one corresponding bolt hole.

In another preferred embodiment, further comprising: two mounting panels and two mounting panels down, each the one end ground both sides of going up the mounting panel are connected with the one end that is located two of upside respectively the one end both sides of each down the mounting panel are connected with the two that is located the upside respectively the other end of backup pad, two go up the mounting panel with two down the mounting panel all sets up along the horizontal direction.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the prefabricated beam type stair is provided, the stair is integrally divided into a plurality of parts for installation or transportation, and the parts are assembled during use, so that the transportation efficiency is improved, the transportation cost is reduced, and the installation is convenient.

Drawings

FIG. 1 is an overall schematic of a precast beam type stairway according to the present utility model;

fig. 2 is a partial schematic view of a precast beam type stairway according to the present utility model.

In the accompanying drawings: 1. supporting the oblique beam; 2. a connecting beam; 3. a stepping block; 4. a mounting column; 5. a limiting piece; 6. an inclined surface; 7. a vertical surface; 8. a first web; 9. a support plate; 10. a second web; 11. a connecting plate; 12. a mounting groove; 13. an upper mounting plate; 14. a lower mounting plate; 15. a connecting bolt; 16. and a containing groove.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1 and 2, a precast beam type stairway of a preferred embodiment is shown, including:

two support sloping 1, a plurality of piece 3 of marking time, a plurality of erection column 4 and a plurality of spacing piece 5, two support sloping 1 mutual parallel arrangement, a plurality of connection crossbeams 2 all set up along the length direction of supporting sloping 1, the both ends of each connection crossbeam 2 are connected with the opposite both sides of two support sloping 1 respectively, the upper surface that supports sloping 1 is all installed to the lower extreme of a plurality of erection column 4 and the lower extreme of a plurality of spacing piece 5, a plurality of erection column 4 and a plurality of spacing piece 5 all set up along the length direction of supporting sloping 1, a inclined plane 6 and a vertical face 7 are all had to each piece 3 of marking time, a mounting groove 12 has all been seted up along vertical direction to each inclined plane 6 at the upper surface of supporting sloping 1 to laminating, each erection column 4 is all installed in a mounting groove 12, every two spacing piece 5 all are connected with a vertical face 7.

In the in-service use, during transportation, dismantle two support sloping 1, two support sloping 1 and a plurality of piece 3 of marking time to during transportation, need install the time, firstly with the both ends installation of two support sloping 1 fixed, then with an erection column 4 with an installation groove 12 installation completion, with spacing piece 5 with mark time the vertical face 7 of piece 3 and be connected, can accomplish the installation of a plurality of pieces 3 of marking time.

Further, as a preferred embodiment, each supporting ramp 1 comprises: the first web 8 and two backup pads 9, first web 8 and two backup pads 9 are "worker" style of calligraphy setting jointly, and two backup pads 9 mutual parallel arrangement, the both ends of first web 8 are connected with two backup pads 9 respectively, and a plurality of pieces 3 and a plurality of spacing piece 5 all install in proper order on a backup pad 9 along the length direction that supports sloping 1.

Further, as a preferred embodiment, each of the connecting beams 2 includes: the second web 10, two connecting plates 11, second web 10 and two connecting plates 11 are the setting of "worker" style of calligraphy jointly, and two connecting plates 11 mutual parallel arrangement, the both ends of second web 10 are connected with two connecting plates 11 respectively, and two connecting plates 11 are installed respectively in two backup pads 9 one side that is close to each other, and the both ends of every connecting plate 11 are connected with backup pad 9 respectively, and second web 10 sets up with first web 8 are perpendicular.

Further, as a preferred embodiment, the method further comprises: a plurality of first bolts 15 and a plurality of nuts, a plurality of first through holes are arranged on the first web 8, a plurality of second through holes are arranged on the connecting plate 11, each first through hole is opposite to one second through hole, one end of each first bolt 15 is sequentially arranged in one first through hole and one second through hole, and each nut is arranged at the other end of one first bolt 15. Further, the second through holes on each connecting plate 11 are arranged in a rectangular array. Further, the plurality of first through holes are divided into a plurality of through hole module sets, each through hole module set comprises four first through holes, the plurality of through hole modules are arranged along the length direction of the first web 8, and the four first through holes in each through hole module set are distributed in a rectangular array.

Further, as a preferred embodiment, two ends of each vertical surface 7 are respectively provided with a receiving groove 16, the inner contour of each receiving groove 16 is matched with the outer contour of a limiting plate 5, and each limiting plate 5 is installed in one receiving groove 16. Further, the accommodating groove 16 prevents the limit piece 5 from protruding from the vertical surface 7 of the stepping block 3, so that the use is convenient.

Further, as a preferred embodiment, the method further comprises: a plurality of fastening bolts, a plurality of limiting plates 5 are respectively provided with a third through hole, two ends of each vertical surface 7 are respectively provided with a bolt hole, each third through hole is opposite to one bolt hole, and each fastening bolt is arranged in one third through hole and one corresponding bolt hole. Further, in the in-service use process, through the connection of spacing piece 5 and mark time piece 3 for mark time piece 3 installation is more stable.

Further, as a preferred embodiment, the method further comprises: two upper mounting plates 13 and two lower mounting plates 14, the both sides of the one end of each upper mounting plate 13 are connected with the one end of two backup pads 9 that are located the upside respectively, the both sides of the one end of each lower mounting plate 14 are connected with the other end of two backup pads 9 that are located the upside respectively, two upper mounting plates 13 and two lower mounting plates 14 all set up along the horizontal direction. Further, two upper mounting plates 13 and two lower mounting plates 14 are used for connection with the landing of the building at the time of installation.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the utility model, the device further comprises a plurality of PVC pipes, wherein the PVC pipes are respectively arranged in the stepping blocks 3 along the length direction of the stepping blocks 3. Further, the PVC pipes are arranged in a hollow mode, the PVC pipes are used for reinforcing the strength of the stepping block 3 and reducing the weight of the stepping block 3, and accordingly the bearing force requirements of the whole stair on walls and floors are reduced.

In a further embodiment of the present utility model, further comprising: and one end of each reinforcing plate is arranged on the lower surface of an upper mounting plate 13 or the lower surface of a lower mounting plate 14, and the other end of each reinforcing plate is connected with one end of another supporting plate 9. Further, the reinforcing plates make the connection of the upper and lower mounting plates 13 and 14 to the connection plate 11 more stable.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (7)

1. A prefabricated beam staircase, characterized by including: Two supporting inclined beams, a number of connecting beams, a number of step blocks, a number of installation columns and a number of limiting pieces, the two supporting inclined beams are arranged parallel to each other, and the plurality of connecting beams are arranged along the length direction of the supporting inclined beam, each The two ends of the connecting beam are respectively connected to the opposite sides of the two supporting inclined beams, and the lower ends of a plurality of the mounting columns and the lower ends of a plurality of the limiting pieces are installed on the upper surface of the supporting inclined beam, A plurality of the mounting columns and a plurality of the limiting pieces are arranged along the length direction of the supporting inclined beam. Each step block has an inclined surface and a vertical surface, and the inclined surface is attached to the On the upper surface of the supporting inclined beam, each of the inclined surfaces is provided with a mounting slot along the vertical direction, each of the mounting columns is installed in one of the mounting slots, and each of the two limiting pieces is connected to one of the mounting slots. Vertical connection. 2. The prefabricated beam staircase according to claim 1, characterized in that each of the supporting inclined beams includes: a first web and two supporting plates, and the first web and the two supporting plates jointly It is arranged in an "I" shape, the two support plates are arranged parallel to each other, the two ends of the first web are connected to the two support plates respectively, and a plurality of the step blocks and a plurality of the limiting pieces are arranged along the The length direction of the supporting inclined beam is sequentially installed on one of the supporting plates. 3. The prefabricated beam staircase according to claim 2, characterized in that each of the connecting beams includes: a second web and two connecting plates, and the second web and the two connecting plates jointly form a The two connecting plates are arranged in an "I" shape and are arranged parallel to each other. The two ends of the second web are respectively connected to the two connecting plates. The two connecting plates are respectively installed on the two supporting plates close to each other. On one side, two ends of each connecting plate are respectively connected to two supporting plates, and the second web is arranged perpendicularly to the first web. 4. The prefabricated beam staircase according to claim 3, further comprising: a number of connecting bolts and a number of nuts, a number of first through holes provided on the first web, and a number of first through holes provided on the connecting plate. A plurality of second through holes, each of the first through holes is arranged opposite to a second through hole, and one end of each of the connecting bolts is installed in sequence on one of the first through holes and one of the second through holes. In the through hole, each nut is installed on the other end of one of the connecting bolts. 5. The prefabricated beam staircase according to claim 2, characterized in that a receiving groove is provided at both ends of each vertical surface, and the inner contour of each receiving groove is consistent with a said receiving groove. The outer contours of the limiting pieces match each other, and each limiting piece is installed in one of the receiving grooves. 6. The prefabricated beam staircase according to claim 1, further comprising: a plurality of fastening bolts, a third through hole respectively provided on a plurality of limiting pieces, and both ends of each vertical surface A bolt hole is respectively provided, each third through hole is arranged opposite to one of the bolt holes, and each fastening bolt is installed in a third through hole and a corresponding bolt hole. . 7. The prefabricated beam staircase according to claim 2, further comprising: two upper mounting plates and two lower mounting plates, and the two sides of one end of each upper mounting plate are respectively connected with the two upper mounting plates. One end of the support plate is connected, and both sides of one end of each lower mounting plate are respectively connected to the other ends of the two upper supporting plates. The two upper mounting plates and the two lower mounting plates are both connected. Set horizontally.