CN217812014U - Slidable steel stair - Google Patents
Slidable steel stair Download PDFInfo
- Publication number
- CN217812014U CN217812014U CN202222009098.XU CN202222009098U CN217812014U CN 217812014 U CN217812014 U CN 217812014U CN 202222009098 U CN202222009098 U CN 202222009098U CN 217812014 U CN217812014 U CN 217812014U
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- steel
- roof beam
- ladder roof
- steel ladder
- slidable
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses a slidable steel stair, including steel ladder roof beam, the bilateral symmetry fixedly connected with baffle of steel ladder roof beam, steel ladder roof beam middle part is connected with the bench, steel ladder roof beam upper end is connected with the upper mounting plate, steel ladder roof beam lower extreme is connected with lower platform, the upper mounting plate includes the mesa, it is connected with steel ladder roof beam to go up the mesa both sides, steel ladder roof beam upper portion is leaned on last girder steel, steel ladder roof beam passes through slide mechanism one with last steel roof beam and is connected, the lower platform includes lower mesa, lower mesa both sides are connected with steel ladder roof beam, steel ladder roof beam lower part is leaned on girder steel down, steel ladder roof beam passes through slide mechanism two with girder steel down and is connected. The utility model discloses the component all can be in mill's processing, but batch production, and the assembly of being convenient for improves the site operation progress, and better control construction quality is favorable to realizing green construction, and the steel stair bench can regard as standard bench, and the suitability is strong, and the popularization nature is big.
Description
Technical Field
The utility model belongs to the technical field of assembled steel construction steel stair, in particular to slidable steel stair.
Background
The stairs are needed to be arranged as members for vertical traffic between floors; meanwhile, stairs must be arranged on a high-rise building for arranging the elevator, and under the influence of policies such as green building advocating, energy conservation and environmental protection, resource recycling and the like in China, the steel structure building becomes the mainstream choice for building the fabricated building, so that the application of the fabricated steel structure stairs still has a large development space;
traditional assembled steel construction stair are when installing the use, are fixed with the welded mode usually to lead to when taking place the earthquake, the node area of assembled steel construction stair bears the moment of flexure great, is unfavorable for the safety of structure, for this reason, proposes a slidable steel stair.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing a slidable steel stair, the component all can be in mill's processing, but batch production, the assembly of being convenient for improves the site operation progress, and better control construction quality is favorable to realizing green construction, and the steel stair bench can regard as standard bench, and the suitability is strong, and popularization nature is big.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a slidable steel stair, including the steel ladder roof beam, the bilateral symmetry fixedly connected with baffle of steel ladder roof beam, steel ladder roof beam middle part is connected with the bench, steel ladder roof beam upper end is connected with the upper mounting plate, steel ladder roof beam lower extreme is connected with lower platform, the upper mounting plate includes the mesa, it is connected with the steel ladder roof beam to go up the mesa both sides, steel ladder roof beam upper portion leans on last girder steel, the steel ladder roof beam passes through slide mechanism one with last steel roof beam and is connected, the lower platform includes lower mesa, lower mesa both sides are connected with the steel ladder roof beam, steel ladder roof beam lower part leans on girder steel down, the steel ladder roof beam passes through slide mechanism two with girder steel down and is connected.
The first sliding mechanism comprises upper steel angles, two upper studs are fixedly connected to the upper surfaces of the upper steel beams, the inner sides of the upper portions of the steel ladder beams are connected with upper-corner steel bolts, strip-shaped holes are formed in the transverse faces of the upper-corner steel, the upper studs are inserted into the strip-shaped holes and connected with the upper-corner steel, and the upper steel angles and the upper steel beams can slide relatively.
Slide mechanism two includes the angle steel, and two lower pegs of steel ladder roof beam medial surface fixedly connected with, lower girder steel leading flank and lower angle steel bolted connection, lower angle steel side are equipped with the rectangular hole of horizontal direction, and lower peg inserts rectangular downthehole and is connected with lower angle steel, but lower angle steel and steel ladder roof beam relative slip.
A polytetrafluoroethylene plate is arranged between the contact surfaces of the upper steel beam and the steel ladder beam.
Girder steel and the connecting plate outside are equipped with "L" type decoration panel down, and the decoration panel one side is equipped with girder steel and connecting plate upper portion down, and the another side is located down between girder steel and the steel ladder roof beam.
The lateral wall and the connecting plate of girder steel are connected down.
A polytetrafluoroethylene plate is arranged between the lower steel beam and the contact surface of the connecting plate.
A polytetrafluoroethylene plate is arranged between the decorative panel and the steel ladder beam.
The utility model has the advantages that:
1) The node of steel construction stair is assembled to angle steel and last peg in the utilization to need not to weld, and utilize last peg, rectangular hole and the lower peg that sets up to make steel construction stair can slide, reduced traditional steel construction stair because the welding leads to the fact the phenomenon of node stress concentration, increased assembled steel construction stair overall structure's security.
2) The utility model discloses a constitute the component all can be in mill's processing, but batch production, the assembly of being convenient for improves the site operation progress, and better control construction quality is favorable to realizing green construction, and steel stair bench can regard as standard bench, and the suitability is strong, and popularization nature is big.
3) The upper surface of the polytetrafluoroethylene plate is provided with a through hole matched with the upper stud; the polytetrafluoroethylene plate is used as the friction force between the steel ladder beam and the upper steel beam, and the stability of one end of the steel ladder beam is improved.
4) One side of the teflon plate is provided with supporting force through the lower steel beam.
5) The bottom of the bench is provided with supporting force by the steel ladder beam.
6) The working process is as follows: the steel ladder beam and the connecting plate are installed and fixed at designated positions respectively, the steel ladder beam is moved, upper angle steel is located for one end of the steel ladder beam through upper studs, then decoration panels are covered on the connecting plate and are welded and fixed, and therefore the field installation work of the steel structure stair is completed, and furthermore the node of the steel structure stair does not need to be welded, the upper studs and the lower studs can slide in the upper angle steel and the lower angle steel respectively through the arranged strip holes, the phenomenon that node stress concentration is caused by welding of the traditional steel structure stair is avoided, the safety of the whole structure of the assembled steel structure stair is improved, friction force between the steel ladder beam and the upper steel beam is achieved through the arranged polytetrafluoroethylene plate, the stability of one end of the steel ladder beam is improved, the steel ladder beam is buffered through the arranged polytetrafluoroethylene plate, deformation is caused by extruding the polytetrafluoroethylene plate, the steel ladder beam is prevented from directly contacting with other components, and the pressure on the stair is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional structure view of the steel ladder beam of the present invention.
Fig. 3 is a schematic side-sectional structure of the present invention.
Fig. 4 is a side view schematic diagram of the present invention.
In the figure: 1. an upper table top; 2. a sliding mechanism; 101. a steel ladder beam; 102. a bench; 103. mounting a steel beam; 104. a connecting plate; 105. a baffle plate; 202. upper angle steel; 203. an upper stud; 204. a strip hole; 206. lower angle steel; 207. a lower stud; 41. a polytetrafluoroethylene sheet; 42. a lower steel beam; 43. a decorative panel; 44. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, a specific orientation configuration, and operation, and therefore, should not be construed as limiting the present invention.
Example 1
The utility model provides a slidable steel stair, including steel ladder roof beam 101, the both sides symmetry fixedly connected with baffle 105 of steel ladder roof beam 101, steel ladder roof beam 101 middle part is connected with bench 102, steel ladder roof beam 101 upper end is connected with the upper mounting plate, steel ladder roof beam 101 lower extreme is connected with lower platform, the upper mounting plate includes mesa 1, it is connected with steel ladder roof beam 101 to go up 1 both sides of mesa, steel ladder roof beam 101 upper portion leans on last girder steel 103, steel ladder roof beam 101 passes through 2 one with last girder steel 103 to be connected, the platform includes down the mesa down, the mesa both sides are connected with steel ladder roof beam 101 down, steel ladder roof beam 101 lower part leans on girder steel 42 down, steel ladder roof beam 101 passes through 2 two connections of slide mechanism with girder steel 42 down.
The sliding mechanism 2 one comprises an upper angle steel 202, the upper surface of the upper steel beam 103 is fixedly connected with two upper studs 203, the inner side of the upper part of the steel ladder beam 101 is in bolt connection with the upper angle steel 202, the transverse surface of the upper angle steel 202 is provided with a strip hole 204, the upper studs 203 are inserted into the strip hole 204 and connected with the upper angle steel 202, and the upper angle steel 202 and the upper steel beam 103 can slide relatively.
The two sliding mechanisms 2 comprise upper angle steel 202, two lower bolts 207 are fixedly connected to the inner side face of the steel ladder beam 101, the front side face of the lower steel beam 42 is in bolt connection with lower angle steel 206, a horizontal strip hole 204 is formed in the side face of the lower angle steel 206, the lower bolts 207 are inserted into the strip hole 204 and are connected with the lower angle steel 206, and the lower angle steel 206 and the steel ladder beam 101 can slide relatively.
And a polytetrafluoroethylene plate 41 is arranged between the contact surfaces of the upper steel beam 103 and the steel ladder beam 101.
The outer sides of the lower steel beam 42 and the connecting plate 104 are provided with an L-shaped decorative panel 43, one side of the decorative panel 43 is provided with the upper parts of the lower steel beam 42 and the connecting plate 104, and the other side is arranged between the lower steel beam 42 and the steel ladder beam 101.
The outer side wall of the lower steel beam 42 is connected to the connection plate 104.
A polytetrafluoroethylene plate 41 is arranged between the contact surfaces of the lower steel beam 42 and the connecting plate 104.
The equal symmetrical threaded connection of inside wall of two lower angle steel 206 has two bolts, the equal threaded connection of the outside wall of two bolts in the inside wall of decoration panel.
A polytetrafluoroethylene plate 41 is arranged between the decorative panel 43 and the steel ladder beam 101.
Utilize angle steel 202 and last peg 203 to assemble the node of steel construction stair to need not to weld, and utilize last peg 203, rectangular hole 204 and lower peg 207 that set up to make steel construction stair can slide, reduced traditional steel construction stair because the welding causes the phenomenon of node stress concentration, increased assembled steel construction stair overall structure's security.
The utility model discloses a constitute the component all can be in mill's processing, but batch production, the assembly of being convenient for improves the site operation progress, and better control construction quality is favorable to realizing green construction, and steel stair bench 102 can regard as standard bench 102, and the suitability is strong, and popularization nature is big.
The upper surface of the polytetrafluoroethylene plate 41 is provided with a through hole matched with the upper stud 203; the polytetrafluoroethylene plate 41 is used as the friction force between the steel ladder beam 101 and the upper steel beam 103, and the stability of one end of the steel ladder beam 101 is improved.
One side of the teflon plate 41 is provided with a supporting force by the lower steel beam 42.
The bottom of the bench 102 is provided with a supporting force by the steel ladder beam 101.
The working process is as follows: the steel ladder beam 101 and the connecting plate 104 are respectively installed and fixed at designated positions, the steel ladder beam 101 is moved to drive the upper angle steel 202 and the decorative panel to move, the moving upper angle steel 202 is located for one end of the steel ladder beam 101 through the upper stud 203, the decorative panel covers the connecting plate 104 and is welded and fixed, field installation work of the steel structure ladder is completed, and therefore nodes of the steel structure ladder do not need to be welded, the upper stud 203 and the lower stud 207 can respectively slide in the upper angle steel 202 and the lower angle steel 206 through the arranged strip holes 204, the phenomenon that node stress is concentrated due to welding of the traditional steel structure ladder is avoided, the safety of the whole structure of the assembled steel structure ladder is improved, friction force between the steel ladder beam 101 and the upper steel ladder beam 103 is achieved through the arranged polytetrafluoroethylene plate 41, the stability of one end of the steel ladder beam 101 is improved, the steel ladder beam 101 is buffered through the arranged polytetrafluoroethylene plate 41, deformation is avoided being caused by direct contact between the steel ladder beam 101, and pressure of the steel structure is reduced.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The utility model provides a slidable steel stair, including the steel ladder roof beam, the bilateral symmetry fixedly connected with baffle of steel ladder roof beam, steel ladder roof beam middle part is connected with the bench, steel ladder roof beam upper end is connected with the upper mounting plate, steel ladder roof beam lower extreme is connected with lower platform, the upper mounting plate includes the mesa, it is connected with the steel ladder roof beam to go up the mesa both sides, its characterized in that steel ladder roof beam upper portion leans on last girder steel, the steel ladder roof beam passes through slide mechanism one with last girder steel and is connected, the lower platform includes lower mesa, lower mesa both sides are connected with the steel ladder roof beam, steel ladder roof beam lower part leans on girder steel down, the steel ladder roof beam passes through slide mechanism two with girder steel down and is connected.
2. A slidable steel staircase as claimed in claim 1, wherein the sliding means comprises an upper steel bar, the upper surface of the upper steel bar is fixedly connected with two upper studs, the inner side of the upper part of the steel staircase bar is connected with the upper steel bar bolts, the transverse surface of the upper steel bar is provided with elongated holes, the upper studs are inserted into the elongated holes and connected with the upper steel bar, and the upper steel bar can slide relatively.
3. A slidable steel stair as claimed in claim 1 wherein the second sliding mechanism comprises an upper angle steel, two lower studs are fixedly connected to the inner side of the steel stair beam, the front side of the lower steel beam is connected with the lower angle steel through a bolt, the side of the lower angle steel is provided with a horizontal elongated hole, the lower studs are inserted into the elongated hole and connected with the lower angle steel, and the lower angle steel and the steel stair beam can slide relatively.
4. A slidable steel staircase as claimed in claim 1, wherein a teflon plate is provided between the upper steel beams and the steel staircase beams.
5. A slidable steel staircase as claimed in claim 3, wherein the lower steel beams and the outside of the connecting plate are provided with "L" shaped decorative panels, one side of the decorative panels is provided with the lower steel beams and the upper part of the connecting plate, and the other side is provided between the lower steel beams and the steel staircase beams.
6. A slidable steel staircase as claimed in claim 5, wherein the outer side walls of the lower steel beams are connected to the connection plate.
7. A slidable steel staircase as claimed in claim 6, wherein a teflon plate is provided between the lower steel beams and the contact surface of the connection plate.
8. A slidable steel staircase as claimed in claim 5, wherein a Teflon sheet is provided between the decorative panel and the steel ladder beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009098.XU CN217812014U (en) | 2022-07-30 | 2022-07-30 | Slidable steel stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009098.XU CN217812014U (en) | 2022-07-30 | 2022-07-30 | Slidable steel stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217812014U true CN217812014U (en) | 2022-11-15 |
Family
ID=83969904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222009098.XU Active CN217812014U (en) | 2022-07-30 | 2022-07-30 | Slidable steel stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217812014U (en) |
-
2022
- 2022-07-30 CN CN202222009098.XU patent/CN217812014U/en active Active
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