CN215442788U - Assembled UHPC combination stair - Google Patents

Abstract

The utility model relates to the technical field of stairs, in particular to an assembled UHPC (ultra high performance concrete) combined stair, which comprises a plurality of PEC combined stair beams, wherein a supporting plate is arranged between the two PEC combined stair beams, the supporting plate is provided with a plurality of supporting plates, the bottom end of each supporting plate is provided with a reinforcing plate, the reinforcing plate is provided with a plurality of threaded holes, the supporting plate is provided with a step plate, the step plate is provided with a thread groove, the thread groove is provided with a nut, the threaded hole is provided with a bolt, the bolt is in threaded connection with the nut and the threaded hole, the step plate is made of UHPC materials, the UHPC materials are filled on the basis of the thread groove beams to form the PEC combined stair beams, the structural strength of the stair beams is improved, the step plate is made of the UHPC materials, the structural strength of the UHPC materials is higher, the good rigidity of steps can be ensured, and the comfort of people in walking is high, while reducing the generation of noise.

Description

Assembled UHPC combination stair

Technical Field

The utility model relates to the technical field of stairs, in particular to an assembled UHPC combined stair.

Background

As is well known, the assembled steel staircase is formed by welding channel steel into ladder beams and then welding patterned steel tread plates on the ladder beams at two sides to form the assembled steel staircase.

The existing assembled steel stairway needs to be filled with concrete in a channel steel groove after installation is completed so as to ensure the smoothness of the side face of a beam, and then the steel tread is not enough in rigidity, so that the assembled steel stairway can feel fluttering when walking on the steel tread and generates larger noise.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the assembled UHPC combined stair which is high in comfort when people walk and low in noise.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an assembled UHPC combination stair, includes PEC combination ladder roof beam, PEC combination ladder roof beam is equipped with a plurality ofly, two be equipped with the layer board between the PEC combination ladder roof beam, the layer board is equipped with a plurality ofly, the bottom of layer board is equipped with the reinforcing plate, the reinforcing plate is equipped with a plurality ofly, be equipped with the screw hole on the layer board, be equipped with the step board on the layer board, be equipped with the thread groove on the step board, be equipped with the nut on the thread groove, be equipped with the bolt on the screw hole, bolt threaded connection nut and screw hole, the step board adopts the UHPC material.

In order to facilitate the assembly of the step plate, the utility model is improved in that a clamping groove is formed in one side of the top end of the step plate, a clamping block is arranged in one side of the bottom end of the step plate, connecting holes are formed in the step plate and the clamping block and communicated with the clamping groove, a cap groove is formed in the top end of the connecting hole, the clamping block is connected with the clamping groove in a splicing mode, a connecting pin is arranged on the connecting hole and connected with the connecting hole in a threaded mode, a pin cap is arranged on the connecting pin, and the pin cap is located on the cap groove.

In order to prevent people from slipping during walking and falling down, the utility model has the improvement that the top end of the tread plate is provided with an anti-slip gasket which is made of rubber.

In order to improve the structure anticorrosion effect, the utility model has the improvement that the outer surfaces of the reinforcing plate and the supporting plate are coated with anticorrosion paint.

In order to improve the connection strength, the PEC combined ladder beam is improved in that the supporting plate is connected with the PEC combined ladder beam in a welding mode, and the reinforcing plate is connected with the supporting plate in a welding mode.

In order to facilitate the installation of the PEC combined ladder beam on a wall surface or other objects, the utility model improves that a steel beam is arranged on the outer side of the PEC combined ladder beam, a plurality of installation holes are arranged on the steel beam, and the PEC combined ladder beam is provided with a plurality of installation holes.

(III) advantageous effects

Compared with the prior art, the utility model provides an assembled UHPC combined stair which has the following beneficial effects:

the assembled UHPC combined stair fills reinforced concrete on the basis of the groove beam to form a PEC combined ladder beam, improves the structural strength of the ladder beam, the PEC combined ladder beam is fixed through a plurality of mounting holes on the steel beam on the outer side of the PEC combined ladder beam, a supporting plate is welded on the PEC combined ladder beam, a reinforcing plate is welded on the supporting plate, the bearing capacity of the steel plate support is improved through the reinforcing plate, the connection strength is improved through welding connection, a worker places a nut in a threaded groove, installs a bolt on a threaded hole in a threaded manner, the nut on the thread groove is connected by the thread, so that the step plate is fixed on the supporting plate, the step plate is made of UHPC material, the UHPC material has higher structural strength, the good rigidity of the step can be ensured, the comfort of people is high when the people walk, noise abatement's production simultaneously, paste the anti-skidding gasket on the top of step board, the anti-skidding gasket is through adopting the rubber material, comfort level when improving personnel's walking.

Drawings

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

FIG. 2 is a front semi-sectional view of the exploded view of the step plate of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged front semi-sectional view of the step plate of FIG. 1 in accordance with the present invention;

FIG. 4 is a left side half sectional view of an enlarged configuration of the PEC composite ladder beam of FIG. 1 according to the present invention;

fig. 5 is a front and half sectional view of the exploded state enlarged structure of the latch of fig. 1 according to the present invention.

In the figure: 1. a PEC combined ladder beam; 2. a support plate; 3. a reinforcing plate; 4. a threaded hole; 5. a step plate; 6. a thread groove; 7. a nut; 8. a bolt; 9. a card slot; 10. a clamping block; 11. connecting holes; 12. a cap groove; 13. a connecting pin; 14. a pin cap; 15. an anti-slip gasket; 16. a steel beam; 17. and (7) installing holes.

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. 1-5, the utility model is an assembled UHPC combined stair, comprising a plurality of PEC combined stair beams 1, wherein a plurality of PEC combined stair beams 1 are provided, a supporting plate 2 is provided between two PEC combined stair beams 1, a plurality of supporting plates 2 are provided, a reinforcing plate 3 is provided at the bottom end of each supporting plate 2, a plurality of reinforcing plates 3 are provided, a threaded hole 4 is provided on each supporting plate 2, a step plate 5 is provided on each supporting plate 2, a threaded groove 6 is provided on each step plate 5, a nut 7 is provided on each threaded groove 6, a bolt 8 is provided on each threaded hole 4, each bolt 8 is in threaded connection with each nut 7 and each threaded hole 4, and the step plates 5 are made of UHPC material.

Further, top one side of flier 5 is equipped with draw-in groove 9, bottom one side of flier 5 is equipped with fixture block 10, all be equipped with connecting hole 11 on flier 5 and the fixture block 10, connecting hole 11 intercommunication draw-in groove 9, the top of connecting hole 11 is equipped with cap groove 12, fixture block 10 concatenation connection draw-in groove 9, be equipped with connecting pin 13 on the connecting hole 11, connecting pin 13 threaded connection connecting hole 11, be equipped with round pin cap 14 on the connecting pin 13, round pin cap 14 is located on the cap groove 12, conveniently assemble flier 5.

Further, the top of flier 5 is equipped with anti-skidding gasket 15, anti-skidding gasket 15 adopts the rubber material, and anti-skidding gasket 15 improves the comfort level when personnel walk through adopting the rubber material, prevents that personnel from walking and appearing skidding, leads to the condition that personnel tumbled.

Furthermore, the outer surfaces of the reinforcing plate 3 and the supporting plate 2 are coated with anticorrosive paint, so that the anticorrosive effect of the structure is improved, and the service life is prolonged.

Further, the support plate 2 is connected with the PEC combined ladder beam 1 in a welding mode, the reinforcing plate 3 is connected with the support plate 2 in a welding mode, and the connecting strength is improved through welding.

Further, the outside of PEC combination ladder beam 1 is equipped with girder steel 16, be equipped with mounting hole 17 on the girder steel 16, mounting hole 17 is equipped with a plurality ofly, through a plurality of mounting holes 17 on PEC combination ladder beam 1 outside girder steel 16, conveniently installs PEC combination ladder beam 1 on the wall or other objects, fixes PEC combination ladder beam 1.

In conclusion, when the assembled UHPC combined stair is used, reinforced concrete is filled on the basis of a groove beam to form a PEC combined ladder beam 1, the structural strength of the ladder beam is improved, the PEC combined ladder beam 1 is conveniently installed on a wall surface or other objects through a plurality of installation holes 17 on a steel beam 16 on the outer side of the PEC combined ladder beam 1, the PEC combined ladder beam 1 is fixed, a supporting plate 2 is welded on the PEC combined ladder beam 1, a reinforcing plate 3 is welded on the supporting plate 2, the bearing capacity of the steel plate support is improved through the reinforcing plate 3, the connection strength is improved through welding, a person places a nut 7 in a threaded groove 6, installs a bolt 8 on the threaded hole 4 in a threaded manner and is connected with the nut 7 on the threaded groove 6 in a threaded manner, so that a tread plate 5 is fixed on the supporting plate 2, and is spliced with a clamping block 10 on one side of the bottom end of one tread plate 5 on a clamping groove 9 on one side of the top end of the other tread plate 5, and installs a connecting pin 13 on a connecting hole 11 in a threaded manner, pin cap 14 of connecting pin 13 supports on cap groove 12, prevent that the personnel from colliding with pin cap 14, step board 5 is through adopting the UHPC material, the structural strength of UHPC material itself is higher, more enough guarantee to mark time good rigidity of itself, the travelling comfort is high during personnel's walking, noise abatement's production simultaneously, paste skid resistant pad 15 on step board 5's top, skid resistant pad 15 is through adopting the rubber material, improve the comfort level when personnel's walking, reinforcing plate 3 and layer board 2's surface is through scribbling anticorrosive paint, improve the structure anticorrosion effect, and service life is prolonged.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an assembled UHPC combination stair, its characterized in that, includes PEC combination ladder beam (1), PEC combination ladder beam (1) is equipped with a plurality ofly, two be equipped with layer board (2) between PEC combination ladder beam (1), layer board (2) are equipped with a plurality ofly, the bottom of layer board (2) is equipped with reinforcing plate (3), reinforcing plate (3) are equipped with a plurality ofly, be equipped with screw hole (4) on layer board (2), be equipped with flier (5) on layer board (2), be equipped with thread groove (6) on flier (5), be equipped with nut (7) on thread groove (6), be equipped with bolt (8) on screw hole (4), bolt (8) threaded connection nut (7) and screw hole (4), flier (5) adopt the UHPC material.

2. The assembled UHPC combined stair of claim 1, wherein a clamping groove (9) is formed in one side of the top end of the tread plate (5), a clamping block (10) is formed in one side of the bottom end of the tread plate (5), connecting holes (11) are formed in the tread plate (5) and the clamping block (10), the connecting holes (11) are communicated with the clamping groove (9), a cap groove (12) is formed in the top end of the connecting holes (11), the clamping block (10) is connected with the clamping groove (9) in a splicing mode, a connecting pin (13) is arranged on the connecting hole (11), the connecting pin (13) is in threaded connection with the connecting holes (11), a pin cap (14) is arranged on the connecting pin (13), and the pin cap (14) is located in the cap groove (12).

3. Assembled UHPC stair according to claim 2, characterized in that the tread (5) is provided with anti-slip pads (15) on the top, and the anti-slip pads (15) are made of rubber.

4. Assembled UHPC stairs according to claim 3, wherein the outer surface of said reinforcement plate (3) and the outer surface of said support plate (2) are coated with anti-corrosive paint.

5. Assembled UHPC stair according to claim 4, characterized in that the pallets (2) are welded to the PEC assembled ladder beam (1) and the reinforcement plates (3) are welded to the pallets (2).

6. Assembled UHPC stair assembly according to claim 5, characterized in that, the PEC stair beam (1) is provided with a steel beam (16) on the outside, and the steel beam (16) is provided with a plurality of mounting holes (17), and the mounting holes (17) are provided with a plurality of holes.

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