CN219011759U

CN219011759U - Stably supported assembled steel structure stair

Info

Publication number: CN219011759U
Application number: CN202223446335.5U
Authority: CN
Inventors: 左炎; 周长生; 刘海红; 温显旭; 蒋宇航; 聂权; 陈超; 刁金鹏; 黄宁静
Original assignee: China Construction Communications Engineering Group Co Ltd
Current assignee: China Construction Communications Engineering Group Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a stably supported assembled steel structure stair which comprises a steel plate supporting platform, wherein the bottom of the steel plate supporting platform is connected with at least one pair of steel supporting columns, the lower part of the rear end of the steel plate supporting platform is obliquely connected with a pair of ladder beam plates, and a plurality of steel pedals are distributed and connected between the ladder beam plates. The stably supported assembled steel structure stair can be assembled on a construction site rapidly, and is a specific stable supporting structure.

Description

Stably supported assembled steel structure stair

Technical Field

The utility model belongs to the technical field of steel structure stairways, and particularly relates to a stably-supported assembled steel structure stairway.

Background

The steel structure stairway is convenient to install and detach, the consumption of the temporary ascending site is greatly increased, and particularly the temporary ascending facility in the building site is basically all the steel structure stairway, so that the steel structure stairway is convenient to install and detach and can be reused. However, many steel structure stairways in the prior art are all of an integrated structure, and the problem of inconvenient transportation and the like exists when leaving the factory.

Disclosure of Invention

The utility model aims to provide a stably supported assembled steel structure stair so as to solve the problems.

The utility model provides a stably supported assembled steel structure stair, which comprises a steel plate supporting platform, wherein the bottom of the steel plate supporting platform is connected with at least one pair of steel supporting columns, the lower part of the rear end of the steel plate supporting platform is obliquely connected with a pair of ladder beam plates, a plurality of steel pedals are distributed and connected between the ladder beam plates, the left side and the right side of the steel plate supporting platform are provided with a pair of side wing plates, and the side wing plates are connected to floor plates; the top end of the ladder beam plate is provided with a side connecting plate, the two end parts of the side wall, facing the ladder beam plate, of the steel plate supporting platform are embedded with side grooves which are matched with the side connecting plate, and the side connecting plate is connected in the side grooves of the steel plate supporting platform through the matching of bolts and connecting holes; every two corresponds between the ladder beam plate lateral wall and is equipped with a plurality of pairs of footboard locating stations that the longitudinal section is rectangular structure, and the steel footboard includes horizontal plate and the baffle of buckling that mutually perpendicular set up, and horizontal plate bottom surface both ends are inconsistent with the footboard locating station, and horizontal plate top surface both ends are equipped with the locating plate, and the locating plate is connected to ladder beam plate lateral wall.

Further preferable as the above scheme

The bottom of the steel plate supporting platform is provided with at least one pair of bottom supporting cylinders corresponding to the steel supporting columns, and the bottom supporting cylinders are clamped with the steel supporting columns.

Further preferable as the above scheme

The bending baffle of the former steel pedal is in abutting connection with the horizontal plate of the latter steel pedal.

Further preferable as the above scheme

The gap between the uppermost steel pedal and the steel plate supporting platform is smaller than 10 cm.

Further preferable as the above scheme

The ladder beam side connecting plate front end top is connected with the limiting plate that the level set up, and the limiting plate extends towards steel sheet supporting platform, and steel sheet supporting platform top surface embedding is equipped with the spacing groove that suits with the limiting plate, is equipped with a plurality of connecting hole on the limiting plate and in the spacing groove, and the limiting plate passes through the cooperation of connecting hole and bolt and connects in the spacing groove.

Further preferable as the above scheme

The steel support column top embedding is equipped with supports spacing portion, and bottom support section of thick bamboo block is in supporting spacing portion.

The utility model has the beneficial effects that: the assembly can be realized on the construction site rapidly, and the support structure is particularly stable, and is particularly as follows:

during assembly, firstly, positioning and installing a steel support column on the ground, wherein the steel support column is supported on the ground; then, embedding the steel plate supporting platform downwards from the upper part of the stair opening until the side wing plate of the steel plate supporting platform contacts with the stair plate, simultaneously, clamping the bottom supporting cylinder with the steel supporting column, and connecting the side wing plate with the stair plate through bolts; then, connecting the ladder beam plate to the rear end of the steel plate support platform through a side connecting plate; and finally, positioning the steel pedals on the pedal positioning tables one by one, and connecting the positioning plates to the side walls of the ladder beam plates through bolts so as to fix the steel pedals. The steel construction stair of this embodiment adopts the mode of on-the-spot quick assembly, need not whole ladder transportation, can make full use of and practice thrift the transportation space, reduces the occupation of transportation space, simultaneously through the structural cooperation of bottom sprag section of thick bamboo and designs such as steel support column, footboard locating station and locating plate, provides firm stable bearing structure.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic illustration of a stably supported fabricated steel structure stairway mounted to a floor slab according to an example;

FIG. 2 is an exploded view of the steel stairway and storey boards of FIG. 1;

FIG. 3 is a schematic perspective view of a stably supported fabricated steel structure stairway according to an example;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view of the steel pedal of FIG. 3 without the steel pedal installed;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

FIG. 7 is an exploded schematic view of an embodiment between a steel plate support platform and a steel support column, the length of the steel support not being fully shown;

FIG. 8 is a schematic view of a steel pedal in an embodiment;

marked in the figure as: 1. a steel plate supporting platform; 11. a side wing plate; 12. a front wing plate; 13. a limit groove; 14. a side groove; 15. a bottom support cylinder; 2. a steel support column; 21. a supporting and limiting part; 3. ladder beam plates; 31. a limiting plate; 32. a side connection plate; 33. a pedal positioning table; 34. supporting feet; 4. a steel pedal; 41. a horizontal plate; 411. a positioning plate; 42. bending the baffle; 5. floor boards; 51. a landing entrance.

Detailed Description

The utility model will be further illustrated with reference to specific examples. These examples are only for illustrating the present utility model and are not intended to limit the scope of the present utility model. The structural features of the present utility model will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, the embodiment provides a stably supported assembled steel structure stair, which comprises a steel plate support platform 1, wherein at least one pair of steel support columns 2 are connected to the bottom of the steel plate support platform 1, a pair of ladder beam plates 3 are obliquely connected to the lower part of the rear end of the steel plate support platform 1, and a plurality of steel pedals 4 are distributed and connected between the ladder beam plates 3. With reference to fig. 1 and 2, the steel plate supporting platform 1 is connected at the stair opening 51 of the floor plate 5, the steel plate supporting platform 1 is adapted to the stair opening 51, and the stably supported assembled steel structure stair of the embodiment can be rapidly assembled on a construction site and is a specific stable supporting structure.

Referring to fig. 4 in combination with fig. 1, in this embodiment, a pair of side wing plates 11 are provided on the left and right sides of the steel plate support platform 1, a plurality of connection holes are provided on the side wing plates 11, and the side wing plates 11 are connected to the floor plate 5 by the cooperation of bolts and the connection holes; further, referring to fig. 7, at least one pair of bottom support cylinders 15 corresponding to the steel support columns 2 are arranged at the bottom of the steel support platform 1, and the bottom support cylinders 15 are engaged with the steel support columns 2; further, referring to fig. 4 and 6, a side connecting plate 32 is arranged at the top end of the ladder beam plate 3, a side groove 14 which is adapted to the side connecting plate 32 is embedded in the side wall of the steel plate support platform 1 facing the ladder beam plate 3, corresponding connecting holes are respectively arranged on the side connecting plate 32 and the side groove 14, and the side connecting plate 32 is connected in the side groove 14 of the steel plate support platform 1 through the matching of bolts and the connecting holes; further, referring to fig. 4, 5 and 6, in this embodiment, a plurality of pairs of pedal positioning platforms 33 with rectangular longitudinal sections are correspondingly arranged between the side walls of the ladder beam plate 3, each pair of pedal positioning platforms 33 provides a supporting function for the steel pedal 4, the pedal positioning platforms 33 support the steel pedal 4, in combination with fig. 8, the steel pedal 4 comprises a horizontal plate 41 and a bending baffle 42 which are vertically arranged, two ends of the bottom surface of the horizontal plate 41 are in contact with the pedal positioning platforms 33, two ends of the top surface of the horizontal plate 41 are provided with positioning plates 411, and the positioning plates 411 are connected to the side walls of the ladder beam plate 3 through bolts.

The stably supported assembled steel structure stairway provided in the embodiment can be assembled on a construction site quickly, and when the assembled steel structure stairway is assembled, firstly, the steel support columns 2 are positioned and installed on the ground, and the steel support columns 2 are supported on the ground; then, the steel plate supporting platform 1 is embedded downwards from the stair opening 51 until the side wing plate 11 of the steel plate supporting platform 1 contacts with the floor plate 5, and meanwhile, the bottom supporting cylinder 15 is engaged with the steel supporting column 2, and the side wing plate 11 is connected with the floor plate 5 through bolts; then, the ladder beam plate 3 is connected to the rear end of the steel plate support platform 1 through the side connection plates 32; finally, the steel footboards 4 are positioned one by one on the footboard positioning table 33, and the positioning plates 411 are connected to the side walls of the ladder beam plate 3 by bolts, thereby fixing the steel footboards 4. The steel structure stairway adopts a field rapid assembly mode, whole ladder transportation is not needed, transportation space can be fully utilized and saved, occupation of the transportation space is reduced, the steel plate support platform 1, the steel support columns 2, the ladder beam plates 3 and the steel pedals 4 can be transported to the field for special assembly, and therefore more transportation space can be reduced compared with the whole ladder transportation in the transportation process of each part; meanwhile, a firm and stable supporting structure is provided by the structural cooperation of the bottom supporting cylinder 15, the steel supporting column 2, the pedal positioning table 33, the positioning plate 411 and the like. The pedal positioning table 33 can be installed along with the ladder beam plate 3 before leaving the factory, the design of the pedal positioning table 33 not only provides a positioning function to improve the installation efficiency, but also does not occupy too much packaging and transportation space, in addition, the pedal positioning table 33 and the positioning plate 411 also provide a dual stable structure, and meanwhile, the pedal positioning table 33 preferably selects a cuboid structure to provide stable support as far as possible.

Further, referring to fig. 3 and 4, the steel pedals 4 of the present embodiment form a continuous structure, and the bending baffle 42 of the previous steel pedal 4 is in abutting connection with the horizontal plate 41 of the next steel pedal 4, so that a continuous structure can be formed, and the stress is more uniform. In addition, in this embodiment, the gap between the uppermost steel pedal 4 and the steel plate supporting platform 1 in the vertical and horizontal directions is preferably smaller than 10 cm, so that the stepping on is prevented.

Further, referring to fig. 3 and 4, in this embodiment, the front end of the steel plate supporting platform 1 is further provided with a front wing plate 12, a plurality of connection holes are formed in the front wing plate 12, and the front wing plate 12 is connected with the floor plate 5 through the cooperation of the connection holes and bolts.

Referring to fig. 7 in combination with fig. 4, the connection structure between the ladder beam plate 3 and the steel plate support platform 1 in this embodiment further includes: the limiting plate 31 that the level set up is connected with at the side connecting plate 32 front end top of ladder beam slab 3, and limiting plate 31 extends towards steel sheet supporting platform 1, and steel sheet supporting platform 1 top surface embedding is equipped with the spacing groove 13 that suits with limiting plate 31, is equipped with a plurality of connecting hole on the limiting plate 31 and in the spacing groove 13, and limiting plate 31 passes through the cooperation of connecting hole and bolt to be connected in spacing groove 13, adopts such structure, further improves the security performance of ladder beam slab 3 and steel sheet supporting platform 1 junction. The mode of design side connecting plate 32 and limiting plate 31 provides the double insurance stability of junction, and the design of spacing groove 13 and side recess 14 makes the junction between them more level and smooth simultaneously, prevents that the junction is uneven.

Referring to fig. 7, the bottom support cylinder 15 is preferably engaged with the steel support column 2 by: the top of the steel support column 2 is embedded with a support limit part 21, and the bottom support cylinder 15 is clamped in the support limit part 21, so that the installation is faster and more convenient; further, the bottom end of the ladder beam plate 3 is also provided with supporting feet 34, and the supporting feet 34 are supported on the ground. Of course, since the top and the outer side wall of the ladder beam plate 3 have more installation spaces, the present embodiment can also install armrests and other structures on the top of the ladder beam plate 3.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The assembled steel structure stair with the stable support is characterized by comprising a steel plate support platform (1), wherein at least one pair of steel support columns (2) are connected to the bottom of the steel plate support platform (1), a pair of ladder beam plates (3) are obliquely connected below the rear end of the steel plate support platform (1), a plurality of steel pedals (4) are distributed and connected between the ladder beam plates (3), a pair of side wing plates (11) are arranged on the left side and the right side of the steel plate support platform (1), and the side wing plates (11) are connected to floor plates (5); the top end of the ladder beam plate (3) is provided with a side connecting plate (32), two end parts of the side wall of the steel plate support platform (1) facing the ladder beam plate (3) are embedded with side grooves (14) corresponding to the side connecting plate (32), and the side connecting plate (32) is connected in the side grooves (14) of the steel plate support platform (1) through the matching of bolts and connecting holes; every two corresponds between ladder beam slab (3) lateral wall and is equipped with a plurality of pairs of footboard locating stations (33) that the longitudinal section is rectangular structure, and steel footboard (4) are including horizontal plate (41) and the baffle (42) of buckling that mutually perpendicular set up, and horizontal plate (41) bottom surface both ends are inconsistent with footboard locating station (33), and horizontal plate (41) top surface both ends are equipped with locating plate (411), and locating plate (411) are connected to ladder beam slab (3) lateral wall.

2. The stably-supported fabricated steel structure stairway according to claim 1, wherein: the bottom of the steel plate supporting platform (1) is provided with at least one pair of bottom supporting cylinders (15) corresponding to the steel supporting columns (2), and the bottom supporting cylinders (15) are clamped with the steel supporting columns (2).

3. The stably-supported fabricated steel structure stairway according to claim 1, wherein: the bending baffle (42) of the former steel pedal (4) is in abutting connection with the horizontal plate (41) of the latter steel pedal (4).

4. The stably-supported fabricated steel structure stairway according to claim 1, wherein: the gap between the uppermost steel pedal (4) and the steel plate supporting platform (1) is smaller than 10 cm.

5. The stably-supported fabricated steel structure stairway according to claim 1, wherein: the ladder beam side connecting plate (32) front end top is connected with limiting plate (31) that the level set up, and limiting plate (31) are prolonged towards steel sheet supporting platform (1), and steel sheet supporting platform (1) top surface embedding is equipped with spacing groove (13) that suits with limiting plate (31), is equipped with a plurality of connecting hole on limiting plate (31) and in spacing groove (13), and limiting plate (31) are connected in spacing groove (13) through the cooperation of connecting hole and bolt.

6. The stably-supported fabricated steel structure stairway according to claim 1, wherein: the top of the steel support column (2) is embedded with a support limit part (21), and the bottom support cylinder (15) is clamped in the support limit part (21).