CN218758404U

CN218758404U - Stair of davit structure

Info

Publication number: CN218758404U
Application number: CN202223038150.0U
Authority: CN
Inventors: 游闽华; 葛志菊; 李锋波
Original assignee: Shanghai Huili Building Structure Engineering Co ltd
Current assignee: Shanghai Huili Building Structure Engineering Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-28
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a stair of davit structure, traditional stair are built together with the building usually among the prior art, but stair quantity is not conform to the fire control regulation in the building of some ages of a specified duration, need install sparse stair additional this moment in the building, install sparse stair additional among the prior art through increase the concrete beam in one deck department, the concrete ladder post is found on the roof beam, and shelve the roof beam to the one deck newly-increased roof beam and consolidate, and when current shelve the roof beam and do not have the reinforcement condition, above-mentioned way can't be implemented, and need waiting for condensing of concrete after the concreting construction to the concrete, the time limit for a project is relatively longer, efficiency is not high, it changes concrete ladder post into concrete pillar to found concrete pillar on traditional concrete beam, davit one end fixed connection is on two layers of girder steel, stair fixed connection is on the davit, change original pouring construction into the welding, high efficiency of construction.

Description

Stair of davit structure

Technical Field

The utility model relates to a stair field, concretely relates to stair of davit structure.

Background

The stair is used as a component for vertical traffic between floors in a building and is used for traffic connection between floors and when the height difference is large, the stair comprises a stair section (also called a stair run), a platform (a rest platform), a retaining component and the like of continuous stairs, the horizontal projection distance between the lowest step and the highest step of the stair is the stair length, the total height of the stairs is the stair height, the traditional stair in the prior art is generally built together with the building, but the number of the stairs in the building with a long age does not accord with fire-fighting regulations, at the moment, the evacuation stair needs to be additionally arranged in the building, the evacuation stair is additionally arranged in the prior art by adding concrete beams at one floor, erecting concrete ladder columns on the beams and reinforcing the placed beams of a newly-added beam, when the existing placed beams have no reinforcing condition, the method cannot be implemented, and the setting period of concrete needs to wait after the pouring construction of the concrete is relatively long and is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a stair of davit structure, including the girder steel, a plurality of davit one end pass through the connecting piece with girder steel fixed connection, the girder steel is located two layers of building, and is a plurality of the davit post is fixed connection steel stair on one's body, the davit can with steel stair's load transmission gives the girder steel.

Preferably: the connecting piece comprises a plurality of bolts, and the bolts are welded on the steel beam.

Preferably: the first nut that is installed the adaptation on the bolt, first nut can adjust self position through rotating.

Preferably: the connecting piece further comprises a reinforcing sheet fixedly connected to the hanging column, and a through hole matched with the bolt is formed in the reinforcing sheet.

Preferably: the bolt passes the through-hole, strengthen the piece with the laminating of first nut, the bolt is in strengthen the piece with install the second nut on the offside of first nut laminating.

Preferably: the connecting piece still includes the welding layer board, the welding layer board is located the davit with between the girder steel.

Preferably: one side of the welding supporting plate is welded with the steel beam, and the other side of the welding supporting plate is welded with the hanging column.

Preferably: the steel stairs are fixedly connected with the hanging columns through welding.

Preferably: the steel stair comprises a platform, pedals and railings, wherein the platform, the pedals and the railings are fixedly connected through welding.

Preferably, the following components: the distance between two adjacent suspension posts is not less than the width of the pedal.

The utility model discloses a technological effect and advantage:

through with traditional install the stair additional in the one deck concreting roof beam change into at two layers installation girder steel, with traditional concrete beam on found the concrete ladder post change into the davit, davit one end fixed connection is on two layers girder steel, stair fixed connection changes original concrete placement construction into the welding on the davit, the efficiency of construction is high.

Drawings

Fig. 1 is a schematic structural view of a staircase of a suspension post structure provided in an embodiment of the present application;

figure 2 is a structural schematic diagram of a steel stair in the stair of the hanging post structure provided by the embodiment of the application,

fig. 3 is a schematic structural diagram of a suspension post in a staircase of the suspension post structure provided by the embodiment of the application;

fig. 4 is a schematic structural diagram of a connecting member in a staircase of a suspension post structure provided in an embodiment of the present application.

In the figure:

1. the steel beam, 2, a hanging post, 201, a reinforcing sheet, 202, a through hole, 3, a connecting piece, 301, a bolt, 302, a first nut, 303, a second nut, 304, a welding supporting plate, 4, a steel stair, 401, a platform, 402, a pedal, 403 and a railing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-3, the staircase provided with a suspension post structure in this embodiment includes a steel beam 1, one end of a plurality of suspension posts 2 is fixedly connected to the steel beam 1 through a connector 3, the steel beam 1 is installed on two floors of a building, the number of the steel beam 1 can be adjusted according to the number of required staircases, if the building is a three-floor building, the steel beam 1 is installed on two floors and three floors of the building, if the building is a four-floor building, the steel beam 1 is installed on two floors, three floors and four floors of the building, and so on, wherein the number of the suspension posts 2 can be determined according to actual needs, in this embodiment, each steel beam 1 is connected to 4 suspension posts 2, the steel staircases 4 are fixedly connected to the bodies of the suspension posts 2, the suspension posts 2 can transmit the load of the steel staircases 4 to the steel beam 1, the fixed connections mentioned in this embodiment are all welded, the conventional concrete construction is changed to the welded connection, the concrete setting time is saved, the construction is faster, wherein the steel staircases 4 include a platform 401, a footboard 402 and a railing 403, the platform 401 is welded to the footboard 402, the railing 401 is welded to the edge of the railing 402, and the steel structure is not smaller than the width of two adjacent suspension posts 2.

As shown in fig. 4, in this embodiment, the connection member includes a bolt 301 welded to the steel beam 1 and a reinforcing plate 201 fixedly connected to one end of the suspension post 2, a through hole 202 adapted to the size of the bolt 301 is formed in the reinforcing plate 201, wherein the number of the bolt 301 may be determined according to actual requirements, the connection between the suspension post 2 and the steel beam 1 is firmer when the number of the bolt 301 is larger, 4 bolts 301 are used in this embodiment, a first nut 302 is installed on the bolt 301, the position of the first nut 302 may be adjusted by screwing, after the bolt 301 passes through the through hole 202, the reinforcing plate 201 is attached to the first nut 302, the straightness of the suspension post 2 may be adjusted by adjusting the position of the first nut 302, after the suspension post 2 is adjusted to be straight, a second nut 303 is installed on the bolt 301 to cooperate with the first nut 302 to fix the reinforcing plate 201, then the first nut 302 and the second nut 303 are welded and fixed, then the welding supporting plate 304 is placed in a gap between the suspension post 2 and the steel beam 1 to be welded, the suspension post 1 and the suspension post 2 are connected and the reinforcing plate 301, the reinforcing plate may be adjusted by welding, and the secondary welding supporting plate 304 may be more reliably and the secondary welding of the suspension post may be used for reinforcing plate, and the secondary connection of the suspension post.

The utility model discloses a theory of operation is:

change into at two layers installation girder steel at the one deck concreting roof beam through installing traditional stair additional, it changes traditional concrete ladder post into the davit to found the concrete ladder post on the concrete beam, the davit one end is passed through the connecting piece welding on two layers girder steel, stair welded fastening is on the davit, overall structure only need adopt the welding, need not the concrete construction, the construction degree of difficulty is low, and when the inconvenient construction of building one deck, only need establish the girder steel in two layers additional and need not be under construction at the one deck, application scope is wide and concrete setting time has been saved, the construction is faster.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A stair with a suspension post structure comprises a steel beam (1), and is characterized in that one end of a plurality of suspension posts (2) is fixedly connected with the steel beam (1) through connecting pieces (3), and the steel beam (1) is positioned on the second floor of a building;

a plurality of fixed connection steel stair (4) on davit (2) shaft, davit (2) can with the load transmission of steel stair (4) is for girder steel (1).

2. A stairway of suspension post construction according to claim 1, c h a r a c t e r i z e d in that the connecting element (3) comprises a number of bolts (301), which bolts (301) are welded to the steel beam (1).

3. Staircase of a suspension post structure according to claim 2, characterized in that the bolt (301) is fitted with a first nut (302), which first nut (302) can be adjusted its position by turning.

4. A staircase of suspension post structure according to claim 3, characterized in that said connector (3) further comprises a reinforcement plate (201) fixedly connected to said suspension post (2), said reinforcement plate (201) being provided with a through hole (202) adapted to said bolt (301).

5. Staircase of suspension post structure according to claim 4, characterized in that said bolt (301) passes through said through hole (202), said reinforcement sheet (201) abutting said first nut (302), said bolt (301) being mounted with a second nut (303) on the opposite side of said reinforcement sheet (201) abutting said first nut (302).

6. Staircase of suspension post structure according to claim 5, characterized in that the connection element (3) further comprises a welding pallet (304), the welding pallet (304) being located between the suspension post (2) and the steel beam (1).

7. A staircase of suspension post structure according to claim 6, characterized in that the welding pallet (304) is welded on one side to the steel beam (1) and on the other side to the suspension post (2).

8. A staircase of suspension post structure according to claim 3, characterized in that the steel staircase (4) is fixedly connected with the suspension post (2) by welding.

9. Staircase of a davit structure according to claim 8, characterized in that the steel staircase (4) comprises a platform (401), a tread (402) and a railing (403), the platform (401), the tread (402) and the railing (403) being fixedly connected by welding.

10. Staircase of suspension post structure according to claim 9, characterized in that the distance between two adjacent suspension posts (2) is not smaller than the width of the tread (402).