CN219060807U

CN219060807U - Steel stair structure for bearing steel beam construction

Info

Publication number: CN219060807U
Application number: CN202223554092.7U
Authority: CN
Inventors: 黄国洲
Original assignee: Hubei Tianhe Engineering Technology Co ltd
Current assignee: Hubei Tianhe Engineering Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-23
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a technical field that steel stair consolidated specifically discloses a steel stair structure for bearing girder construction, including girder, crossbeam, platform and stair structure, the stair structure includes first connecting plate, and the platform includes first rotor plate and the second rotor plate of mutual swivelling joint, is provided with the rotating assembly that is used for supplying the two to rotate each other between first rotor plate and the second rotor plate, and the junction of first connecting plate and first rotor plate, second rotor plate all is provided with the quick coupling assembling who is used for quick dismantlement platform and first connecting plate; the rotating assembly in the application can rotate and fold the first rotating plate and the second rotating plate, so that the moving space required by a platform on a construction site is saved, the platform can be conveniently moved and installed on the construction site, the quick connecting assembly can connect the stair structure with the platform into a whole, the conventional manual welding step is omitted, the time required by installing the stair structure is saved, and the installation efficiency of the steel structure stair is improved.

Description

Steel stair structure for bearing steel beam construction

Technical Field

The application relates to the technical field of steel stair reinforcement, in particular to a steel stair structure for bearing steel beam construction.

Background

Before building construction site stairs are not cast and formed, staff generally adopts a steel pipe ladder or a bamboo springboard ladder as the stairs, and because the ladder needs to be distributed almost vertically on the ground and is temporarily erected, connection between the erected materials is not firm, potential safety hazards are easy to occur when technicians go up and down, and more building construction sites adopt the steel stairs to ensure personal safety of the technicians.

The Chinese patent document with publication number of CN114215293A discloses a truss type steel structure stair, which comprises I-shaped steel girders, wherein the I-shaped steel girders are vertically fixed on a floor in sequence, and the number of the I-shaped steel girders is four and the I-shaped steel girders are arranged in a square shape. I-steel girder top surface front and back both ends level alignment welding has the I-steel crossbeam, and I-steel girder top surface left and right sides level alignment welding has the I-steel longeron, and I-steel crossbeam forms rectangular structure with the I-steel longeron, and rectangular top surface installs the platform, and the three lateral walls of platform all laminate with the week side of stair mouth mutually. I-steel girder highly equally divides internode welding to have the horizontal pole, the diagonal welding has the dead lever between the horizontal pole, I-steel crossbeam right side afterbody is equipped with stair structure, stair structure includes first connecting plate, first connecting plate welds in the platform be located one side that the stair mouth is laminated mutually, both ends level alignment all installs first truss stair and second truss stair in proper order around one side that first connecting plate kept away from and is connected with the platform, second connecting plate is installed to first truss stair and second truss stair afterbody, second connecting plate fixed mounting is on the floor, transversely all install the riser in proper order between first truss stair and the second truss stair.

Aiming at the related technology, the parts of the steel structure stairs are mainly welded and fixed, the welding operation is troublesome and time-consuming, and the operation is inconvenient when the steel structure stairs are disassembled after the construction is finished, so the steel structure stairs are to be improved.

Disclosure of Invention

In order to improve the installation and the dismantlement efficiency of steel construction stair, this application provides a steel stair structure for bearing girder steel construction.

The application provides a steel stair structure for bearing girder steel construction adopts following technical scheme:

the utility model provides a bearing girder steel construction is with steel stair structure, includes girder, crossbeam, platform and stair structure, the stair structure includes first connecting plate, the platform includes first rotor plate and the second rotor plate of mutual swivelling joint, first rotor plate with be provided with between the second rotor plate and be used for supplying the rotatory rotating assembly of two each other, just first connecting plate with first rotor plate the junction of second rotor plate all is provided with and is used for dismantling fast the platform with the quick coupling assembling of first connecting plate.

Through adopting above-mentioned technical scheme, the rotating assembly who sets up between first rotor plate and the second rotor plate can be with first rotor plate and the rotatory folding of second rotor plate, saved the required removal space at job site platform, made things convenient for the removal of platform at job site and the installation at the stairwell, the quick connect module that first connecting plate and first rotor plate, second rotor plate junction set up can link into a whole with the stair structure fast with the platform, saved conventional manual welding's step, saved the required time of installation stair structure, improved the installation effectiveness of steel structure stair, and can dismantle the stair structure fast through quick connect module, the installation in and the dismantlement of steel structure stair have generally been made things convenient for.

Optionally, the rotating assembly includes a plurality of otic placodes and rotation axis, the otic placodes set up respectively in on the butt joint face that first rotor plate and second rotor plate butt joint each other, first rotor plate with the otic placode on the second rotor plate is crisscross to be set up, the rotation axis runs through first rotor plate with on the second rotor plate the otic placode sets up, first rotor plate with the second rotor plate passes through the rotation of rotation axis is connected.

Through adopting above-mentioned technical scheme, first rotor plate and second rotor plate are rotatory with the rotation axis as the center, can make first rotor plate and second rotor plate rotatory folding, have made things convenient for the removal and the installation of platform at the job site, and a plurality of otic placodes are crisscross to be connected with the rotation axis and have guaranteed the stability of being connected between first rotor plate and the second rotor plate.

Optionally, grooves are formed in contact surfaces of the main beam and the first rotating plate and the second rotating plate, protruding blocks are arranged on the first rotating plate and the second rotating plate corresponding to the grooves, and the protruding blocks are clamped in the corresponding grooves.

Through adopting above-mentioned technical scheme, recess and lug looks joint each other can realize the location when installing first rotor plate and second rotor plate, have made things convenient for the installation of first rotor plate and second rotor plate. Simultaneously can prevent that first rotor plate and second rotor plate from taking place sliding displacement on crossbeam and girder, improve the stability of platform, guarantee the safety when the staff operates on the platform.

Optionally, the quick connecting assembly includes first fixed plate, second fixed plate and first mounting, first fixed plate set up in first connecting plate is close to on the one side of first rotor plate, the second fixed plate set up in first connecting plate is close to on the one side of second rotor plate, first rotor plate with correspond on the second rotor plate first fixed plate with the mounting groove has been seted up to the second fixed plate, first fixed plate with the second fixed plate passes through first mounting is fixed mounting respectively in corresponding in the mounting groove.

Through adopting above-mentioned technical scheme, put into the mounting groove that first rotor plate and second rotor plate side were seted up respectively with first fixed plate and second fixed plate on the first connecting plate, can realize the socket joint of first connecting plate and platform on the stair structure, fix first fixed plate and second fixed plate respectively in the mounting groove by first mounting again, avoided the not hard up between first connecting plate and the platform that causes because of the staff goes up and down stairs, improved the stability that first connecting plate and platform are connected simultaneously, through taking down first mounting, make first fixed plate, second fixed plate and first rotor plate, the separation of second rotor plate on the first connecting plate can realize dismantling fast to the stair structure.

Optionally, a connecting rod is disposed between adjacent main beams.

Through adopting above-mentioned technical scheme, set up the connecting rod between the girder and can link into a whole between the girder, improved the stability of single girder.

Optionally, a quick-dismantling assembly for quickly dismantling the connecting rod is arranged at the joint of the connecting rod and the main beam.

Through adopting above-mentioned technical scheme, the quick detach subassembly that connecting rod and girder junction set up can be quick dismantle the connecting rod from the girder, has made things convenient for the change of connecting rod and follow-up dismantlement to the girder.

Optionally, the quick detach subassembly includes first mounting panel, second mounting panel and second mounting panel, first mounting panel with the second mounting panel sets up respectively in adjacent the one side that the girder is opposite each other, the connecting rod both ends are passed through respectively the second mounting panel with on the second mounting panel.

Through adopting above-mentioned technical scheme, adopt the second mounting to fix connecting rod one end on the first mounting panel that sets up on the girder, the other end is fixed on the second mounting panel that adjacent girder set up, can link into a whole with each girder, improves holistic stability, has guaranteed that the operating personnel can not receive the interference that the girder rocked on the platform.

Optionally, the girder bottom is provided with the stabilizer plate that is used for increasing with ground area of contact, the stabilizer plate with be provided with the strengthening rib on the girder lateral wall.

Through adopting above-mentioned technical scheme, the stability edition and the strengthening rib that each girder bottom set up can improve the girder in vertical stability, further guaranteed the safety of operating personnel on the platform.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating assembly can rotate and fold the first rotating plate and the second rotating plate, so that the moving space required by the platform at the construction site is saved, and the transportation of the platform at the construction site and the installation of the platform at a stairwell are facilitated;

2. the quick connecting assembly can connect the stair structure with the platform into a whole, so that the conventional manual welding step is omitted, the time for installing the stair structure is saved, the installation efficiency of the steel structure stair is improved, and the steel structure stair is convenient to install and detach;

3. the stability of girder in vertical can be improved to stable version and the strengthening rib that each girder bottom set up, further has guaranteed the safety of operating personnel on the platform.

Drawings

FIG. 1 is a schematic view of the overall structure of a steel stair structure for bearing steel beam construction when the steel stair structure is installed;

FIG. 2 is a schematic view of a portion of the explosion of FIG. 1;

reference numerals: 1. a main beam; 2. a cross beam; 3. a platform; 31. a first rotating plate; 32. a second rotating plate; 4. a stair structure; 41. a first connection plate; 5. a rotating assembly; 51. ear plates; 52. a rotation shaft; 6. a groove; 7. a bump; 8. a quick connect assembly; 81. a first fixing plate; 82. a second fixing plate; 83. a mounting groove; 84. a first fixing member; 9. a connecting rod; 10. a quick release assembly; 101. a first mounting plate; 102. a second mounting plate; 103. a second fixing member; 11. a stabilizing plate; 12. reinforcing ribs.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a steel stair structure for bearing steel beam construction.

Referring to fig. 1 and 2, a steel stair structure for load-bearing steel girder construction includes a main girder 1, a cross girder 2, a platform 3, and a stair structure 4, wherein the stair structure 4 includes a first connection plate 41. The platform 3 in the application comprises the first rotating plate 31 and the second rotating plate 32 which are connected in a rotating way, the rotating assembly 5 is arranged at the joint of the first rotating plate 31 and the second rotating plate 32, and the rotating assembly 5 can rotate and fold the first rotating plate 31 and the second rotating plate 32, so that the first rotating plate 31 and the second rotating plate 32 can be conveniently moved and installed on a construction site; and the quick connection assembly 8 at the connection part of the first connecting plate 41 and the first and second

rotating plates

31 and 32 can quickly mount and dismount the platform 3 and the first connecting plate 41.

In the prior art, the welding and fixing adopted among all parts of the steel structure stair mostly needs a long time, and after long-time use, welding spots are possibly unstable due to rust and other reasons, the welding spots are also troublesome when the steel structure stair is detached, the rotating assembly 5 can rotate and fold the first rotating plate 31 and the second rotating plate 32, the moving space required by the platform 3 on the construction site is saved, the platform 3 is convenient to move on the construction site and install in a stairwell, the quick connecting assembly 8 can quickly connect the stair structure 4 with the platform 3 into a whole, the conventional manual welding step is omitted, the time required for installing the stair structure 4 is saved, and the installation efficiency of the steel structure stair is improved.

Referring to fig. 1 and 2, under the conventional circumstances, the construction site is narrower, and the area of the platform 3 is larger, so that a larger operation space is required when installing the platform 3, and for facilitating the installation of the platform 3, the rotating assembly 5 includes a plurality of ear plates 51 and a rotating shaft 52, the ear plates 51 are respectively and alternately integrally arranged on the abutting surfaces of the first rotating plate 31 and the second rotating plate 32, the rotating shaft 52 penetrates through the ear plates 51 on all the first rotating plate 31 and the second rotating plate 32, and the first rotating plate 31 and the second rotating plate 32 are rotated and folded by taking the rotating shaft 52 as the center, so that the space required by the installation platform 3 is saved.

After the platform 3 is installed, because the staff needs to work on the platform 3 frequently, the movement of the platform 3 can be caused by the walking of the staff, the platform 3 needs to be fixed, the grooves 6 are formed in the contact surfaces of the main beams 1 and the first rotating plate 31 and the second rotating plate 32, the grooves 6 are integrally formed in the first rotating plate 31 and the second rotating plate 32, the grooves 6 and the grooves 6 are integrally provided with a plurality of protruding blocks 7, the grooves 6 and the protruding blocks 7 are mutually clamped, the first rotating plate 31 and the second rotating plate 32 are connected with the main beams 1 into a whole, the stability of the platform 3 is improved, and the fact that the platform 3 cannot displace when the staff walks on the platform 3 is guaranteed.

Referring to fig. 1 and 2, in the prior art, the first connection plate 41 between the platform 3 and the stair structure 4 is welded and fixed, the welding spot may affect the safety between the platform 3 and the stair structure 4 after being subjected to long-time load and rust, and the welding operation is complex, so that the stair structure 4 is also troublesome to disassemble. To solve this problem, the quick-connect assembly 8 of the present application enables quick installation and removal of the landing 3 from the stair structure 4 and improves the firmness of the junction of the landing 3 with the stair structure 4.

The quick connect assembly 8 includes a first fixing plate 81, a second fixing plate 82, and a first fixing member 84; the first fixed plate 81 is integrally arranged on one surface of the first connecting plate 41, which is close to the first rotating plate 31, the second fixed plate 82 is integrally arranged on one surface of the first connecting plate 41, which is close to the second rotating plate 32, the first rotating plate 31 and the second rotating plate 32 are correspondingly provided with mounting grooves 83 corresponding to the first fixed plate 81 and the second fixed plate 82, and the first fixed plate 81 and the second fixed plate 82 are respectively fixedly mounted in the mounting grooves 83 through first fixing pieces 84, so that quick mounting between the stair structure 4 and the platform 3 is realized.

Referring to fig. 1 and 2, when the live load on the platform 3 is large, the main beams 1 under the platform 3 may shake, affecting the safety of workers during operation, so that the connecting rods 9 are installed between each adjacent main beams 1. In order to facilitate the installation and the disassembly of the connecting rod 9, a quick-dismantling assembly 10 is arranged at the joint of the connecting rod 9 and the main beam 1, and the quick-dismantling assembly 10 comprises a first mounting plate 101, a second mounting plate 102 and a second fixing piece 103; the first mounting plate 101 and the second mounting plate 102 are respectively integrally arranged on one surface of each adjacent girder 1, which is close to each other, through holes for mounting the second fixing pieces 103 are respectively formed in the two ends of the first mounting plate 101, the second mounting plate 102 and the connecting rod 9, the two ends of the connecting rod 9 are respectively fixed on the first mounting plate 101 and the second mounting plate 102 through the second fixing pieces 103, and the stability between the girders 1 is improved.

The girder 1 is limited with the area of contact on ground, and when the live load of girder 1 top is great, the rocking of girder 1 probably causes girder 1 and area reduction of ground contact to reduced girder 1's stability, welded stabilizer plate 11 in each girder 1 bottom, the welding has strengthening rib 12 on stabilizer plate 11 and the girder 1 lateral wall, can effectually improve the stability of each girder 1 bottom.

The implementation principle of the steel stair structure for bearing steel beam construction is as follows:

when the bearing steel beam reinforcing structure needs to be installed, each girder 1 is positioned, each cross beam 2 is welded and fixed on the upper part of each girder 1, then connecting rods 9 are respectively fixed on a first mounting plate 101 and a second mounting plate 102 which are integrally connected on one surface, which is close to each girder 1, of each connecting rod through second fixing pieces 103, a plurality of mutually staggered lug plates 51 are integrally connected on the contact surface of each first rotating plate 31 and each second rotating plate 32, all lug plates 51 are rotationally connected through rotating shafts 52, a platform 3 is rotationally folded through the rotating shafts 52 and then is placed above the girders 1 and the cross beams 2, protruding blocks 7 integrally arranged on each first rotating plate 31 and each second rotating plate 32 are placed into grooves 6 formed above each girder 1 for clamping and fixing, then the stair structure 4 is installed, first fixing plates 81 and second fixing plates 82 integrally connected on one surface, which is close to each first connecting plate 41, of each stair structure 4 are placed into mounting grooves 83 formed on one surface, which is close to each first connecting plate 41, of each first rotating plate 31 and each second rotating plate 32 for clamping and fixing the first fixing plates 82 are then carried out on each first fixing plates 81 and each second fixing plates 82 through first fixing pieces 84.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a steel stair structure is used in construction of bearing girder steel, includes girder (1), crossbeam (2), platform (3) and stair structure (4), stair structure (4) include first connecting plate (41), its characterized in that: the platform (3) comprises a first rotating plate (31) and a second rotating plate (32) which are connected in a mutually rotating way, a rotating assembly (5) used for enabling the first rotating plate (31) and the second rotating plate (32) to mutually rotate is arranged between the first rotating plate and the second rotating plate, and the connecting parts of the first connecting plate (41) and the first rotating plate (31) and the second rotating plate (32) are respectively provided with a quick connecting assembly (8) used for quickly disassembling the platform (3) and the first connecting plate (41).

2. The steel stair structure for bearing steel beam construction according to claim 1, wherein: the rotating assembly (5) comprises a plurality of earplates (51) and a rotating shaft (52), the earplates (51) are respectively arranged on the butt joint surfaces of the first rotating plate (31) and the second rotating plate (32) which are mutually butted, the earplates (51) on the first rotating plate (31) and the second rotating plate (32) are arranged in a staggered mode, the rotating shaft (52) penetrates through the earplates (51) on the first rotating plate (31) and the second rotating plate (32), and the first rotating plate (31) and the second rotating plate (32) are connected in a rotating mode through the rotating shaft (52).

3. The steel stair structure for bearing steel beam construction according to claim 2, wherein: the main beam (1) and the first rotating plate (31) are respectively provided with a groove (6) on the contact surface of the second rotating plate (32), the first rotating plate (31) and the second rotating plate (32) are respectively provided with a lug (7) corresponding to the grooves (6), and the lugs (7) are clamped in the corresponding grooves (6).

4. The steel stair structure for bearing steel beam construction according to claim 1, wherein: the quick connecting assembly (8) comprises a first fixing plate (81), a second fixing plate (82) and a first fixing piece (84), wherein the first fixing plate (81) is arranged on one surface of the first connecting plate (41) close to the first rotating plate (31), the second fixing plate (82) is arranged on one surface of the first connecting plate (41) close to the second rotating plate (32), the first rotating plate (31) and the second rotating plate (32) are corresponding to each other, the first fixing plate (81) and the second fixing plate (82) are provided with mounting grooves (83), and the first fixing plate (81) and the second fixing plate (82) are fixedly mounted in the corresponding mounting grooves (83) through the first fixing piece (84) respectively.

5. The steel stair structure for bearing steel beam construction according to claim 1, wherein: a connecting rod (9) is arranged between the adjacent main beams (1).

6. The steel stair construction for bearing steel beams according to claim 5, wherein: the connecting rod (9) is provided with a quick-dismantling component (10) for quickly dismantling the connecting rod (9) at the joint of the main beam (1).

7. The steel stair construction for bearing steel beams according to claim 6, wherein: the quick-release assembly (10) comprises a first mounting plate (101), a second mounting plate (102) and a second fixing piece (103), wherein the first mounting plate (101) and the second mounting plate (102) are respectively arranged on one mutually opposite surfaces of adjacent main beams (1), and two ends of the connecting rod (9) are respectively arranged on the first mounting plate (101) and the second mounting plate (102) through the second fixing piece (103).

8. The steel stair structure for bearing steel beam construction according to claim 1, wherein: the bottom of the main beam (1) is provided with a stabilizing plate (11) for increasing the contact area with the ground, and the side walls of the stabilizing plate (11) and the main beam (1) are provided with reinforcing ribs (12).