CN212671053U - Steel construction stair - Google Patents
Steel construction stair Download PDFInfo
- Publication number
- CN212671053U CN212671053U CN202020450412.6U CN202020450412U CN212671053U CN 212671053 U CN212671053 U CN 212671053U CN 202020450412 U CN202020450412 U CN 202020450412U CN 212671053 U CN212671053 U CN 212671053U
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- supporting beam
- mounting
- pedal
- protection
- horizontal
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Abstract
The utility model discloses a steel structure stair, including preceding supporting beam, back supporting beam, U type groove, mounting hole, construction bolt, mounting nut, limiting plate, mount pad, fixed orifices, connecting rod, trample part, protection part, preceding supporting beam and back supporting beam all are the rectangle column, a plurality of horizontally U type grooves have all been opened to preceding supporting beam rear end and back supporting beam front end, two respectively run through two mounting holes, each about preceding supporting beam and the back supporting beam a construction bolt has been pegged graft in the mounting hole, each construction bolt bottom threaded connection has two construction nut. The utility model discloses abandoned traditional steel construction stair adopt threaded connection or welded connected mode in a large number, but use in a large number and peg graft, not only accelerated whole fashioned speed, make not fragile last footboard and lower footboard can be better retrieve moreover and recycle, prolonged the utility model discloses a life makes the utility model discloses a more environmental protection is high-efficient.
Description
Technical Field
The utility model relates to a steel construction especially relates to a steel construction stair.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly.
And at present, the steel structure stair mostly adopt welding forming or adopt bolt and screw connection in a large number, so that the recycling degree of the steel structure stair is reduced, the time for the integral installation of the steel structure stair is prolonged to a certain extent, and the defects of the traditional steel structure stair are highlighted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel construction stair to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
a steel structure stair comprises a front supporting beam, a rear supporting beam, U-shaped grooves, mounting holes, mounting bolts, mounting nuts, limiting plates, mounting seats, fixing holes, connecting rods, a treading part and a protecting part, wherein the front supporting beam and the rear supporting beam are both rectangular columns, a plurality of horizontal U-shaped grooves are formed in the rear end of the front supporting beam and the front end of the rear supporting beam, two mounting holes are respectively formed in the left side and the right side of the front supporting beam and the rear supporting beam in a penetrating manner, the mounting bolts are inserted into the mounting holes, two mounting nuts are connected to the bottom ends of the mounting bolts in a threaded manner, a limiting plate is respectively mounted at the upper ends of the front supporting beam and the rear supporting beam, the limiting plates are rectangular plate-shaped and are inserted into the mounting bolts, a mounting seat is respectively mounted at the left side and the right side of the upper ends of the two limiting plates, each mounting seat is inserted into the mounting bolts through the mounting nuts, a plurality of horizontal fixing holes are formed in the front and, each U type inslot has connect a horizontally connecting rod, install one on the connecting rod and step on the part, install a protection part on preceding supporting beam and the back supporting beam.
On the basis of the technical scheme, the trampling part and the protection part comprise an upper pedal, a lower pedal, rivets, anti-slip strips, jacks, protection railings and limit nuts, wherein the connecting rods are connected with the upper pedal and the lower pedal in a horizontal manner in an inserted manner, the upper pedal and the lower pedal are in a rectangular plate shape, the upper pedal and the lower pedal are hinged through the rivets, the upper end of the upper pedal is fixed with a plurality of horizontal anti-slip strips, the front supporting beam and the rear supporting beam are respectively provided with two horizontal jacks in a penetrating manner in the front and rear directions, the jacks are inserted and connected with the protection railings, the bottoms of the protection railings are in threaded connection with the limit nuts in a plurality of levels, and the protection railings are installed on the front supporting beam or the rear supporting beam through the limit nuts.
On the basis of the technical scheme, the mounting seat can be mounted on the surface of a concrete wall or a steel structure through screws or bolts, and the upper pedal and the lower pedal are both formed by welding wear-resistant steel plates.
Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses abandoned traditional steel construction stair adopt threaded connection or welded connected mode in a large number, but use in a large number and peg graft, not only accelerated whole fashioned speed, make not fragile last footboard and lower footboard can be better retrieve moreover and recycle, prolonged the utility model discloses a life makes the utility model discloses a more environmental protection is high-efficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses mounting bolt and mounting bolt's installation schematic diagram.
Fig. 3 is a schematic view of the installation of the rivet of the present invention.
Fig. 4 is an installation schematic view of the protective balustrade of the present invention.
Fig. 5 is an installation schematic diagram of the limit nut of the present invention.
In the figure: 1. the front supporting beam, 2, the back supporting beam, 3, U type groove, 4, mounting hole, 5, construction bolt, 6, construction nut, 7, limiting plate, 8, mount pad, 9, fixed orifices, 10, connecting rod, 11, trample part, 12, protection part, 13, go up the footboard, 14, lower footboard, 15, rivet, 16, antislip strip, 17, jack, 18, protection railing, 19, stop nut.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
As shown in fig. 1-5, a steel structure stair comprises a front support beam 1, a rear support beam 2, a U-shaped groove 3, mounting holes 4, mounting bolts 5, mounting nuts 6, limiting plates 7, mounting seats 8, fixing holes 9, a connecting rod 10, a treading part 11 and a protecting part 12, wherein the front support beam 1 and the rear support beam 2 are both rectangular columns, the rear end of the front support beam 1 and the front end of the rear support beam 2 are both provided with a plurality of horizontal U-shaped grooves 3, the left and right parts of the front support beam 1 and the rear support beam 2 are respectively penetrated by two mounting holes 4, a mounting bolt 5 is inserted into each mounting hole 4, the bottom end of each mounting bolt 5 is in threaded connection with two mounting nuts 6, the upper ends of the front support beam 1 and the rear support beam 2 are respectively provided with a limiting plate 7, the limiting plates 7 are rectangular plates and are inserted into each mounting bolt 5, the left and right parts of the upper ends of the two limiting plates 7 are respectively provided with a mounting seat 8, each mounting seat 8 is inserted into the mounting bolt 5 through a mounting nut 6, a plurality of horizontal fixing holes 9 penetrate through the mounting seat 8 in the front-back direction, a horizontal connecting rod 10 is inserted into each U-shaped groove 3, a treading part 11 is installed on the connecting rod 10, and a protecting part 12 is installed on the front supporting beam 1 and the rear supporting beam 2.
The stepping part 11 and the protection part 12 comprise an upper pedal 13, a lower pedal 14, rivets 15, anti-slip strips 16, inserting holes 17, protection railings 18 and limit nuts 19, a horizontal upper pedal 13 and a vertical lower pedal 14 are inserted into each connecting rod 10, the upper pedal 13 and the lower pedal 14 are both rectangular plate-shaped, the upper pedal 13 and the lower pedal 14 are hinged through the rivets 15, the upper end of the upper pedal 13 is fixed with a plurality of horizontal anti-slip strips 16, two horizontal inserting holes 17 penetrate through the front supporting beam 1 and the rear supporting beam 2 in the front-rear direction respectively, a protection railing 18 is inserted into each inserting hole 17, the bottom of the protection railing 18 is in threaded connection with a plurality of horizontal limit nuts 19, and the two protection railings 18 are installed on the front supporting beam 1 or the rear supporting beam 2 through the limit nuts 19.
The mount pad 8 can be installed on concrete wall or steel construction surface through screw or bolt, go up footboard 13 and lower footboard 14 material and all adopt wear-resisting steel sheet welding to form.
The utility model discloses a theory of operation: firstly, the mounting seats 8 are mounted on the surface of a concrete wall or a steel structure through screws or bolts, the front supporting beam 1 and the rear supporting beam 2 are inserted into the mounting seats 8, the prepared connecting rods 10 are inserted into the upper pedals 13 or the lower pedals 14, and are inserted into the corresponding U-shaped grooves 3, then the two limiting plates 7 are respectively mounted on the front supporting beam 1 and the rear supporting beam 2 through the mounting bolts 5 and the mounting nuts 6, and the protective railings 18 are mounted through the limiting nuts 19 and the insertion holes 17, so that the mounting work of the whole steel structure stair is completed.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (3)
1. The utility model provides a steel structure stair, includes preceding supporting beam (1), back supporting beam (2), U type groove (3), mounting hole (4), construction bolt (5), mounting nut (6), limiting plate (7), mount pad (8), fixed orifices (9), connecting rod (10), tramples part (11), protection part (12), its characterized in that: the supporting structure is characterized in that the front supporting beam (1) and the rear supporting beam (2) are both rectangular columns, a plurality of horizontal U-shaped grooves (3) are formed in the rear end of the front supporting beam (1) and the front end of the rear supporting beam (2), two mounting holes (4) are respectively formed in the left portion and the right portion of the front supporting beam (1) and the rear supporting beam (2) in a penetrating mode, a mounting bolt (5) is inserted into each mounting hole (4), two mounting nuts (6) are connected to the bottom end of each mounting bolt (5) in a threaded mode, a limiting plate (7) is respectively installed at the upper ends of the front supporting beam (1) and the rear supporting beam (2), the limiting plate (7) is rectangular plate-shaped and is connected with the mounting bolts (5) in a inserting mode, a mounting seat (8) is respectively installed at the left portion and the right portion of the upper end of each limiting plate (7), the mounting seat (8) is connected to the mounting bolts (5) in an inserting mode through the mounting nuts (6), and a plurality of horizontal fixing holes (9), each U type groove (3) interpolation has a horizontally connecting rod (10), install on connecting rod (10) and trample part (11), install a protection part (12) on preceding supporting beam (1) and back supporting beam (2).
2. The steel structure stair of claim 1, wherein: the trampling part (11) and the protection part (12) comprise an upper pedal (13), a lower pedal (14), rivets (15), anti-slip strips (16), inserting holes (17), protection railings (18) and limiting nuts (19), each connecting rod (10) is provided with a horizontal upper pedal (13) and a vertical lower pedal (14) in an inserted mode, the upper pedal (13) and the lower pedal (14) are both in a rectangular plate shape, the upper pedal (13) and the lower pedal (14) are hinged through the rivets (15), the upper end of the upper pedal (13) is fixed with a plurality of horizontal anti-slip strips (16), the front supporting beam (1) and the rear supporting beam (2) are respectively provided with two horizontal inserting holes (17) in the front-back direction in a penetrating mode, each inserting hole (17) is connected with one protection railing (18), the bottom of each protection railing (18) is in a threaded connection mode with a plurality of horizontal limiting nuts (19), and the two protection railings (18) are installed on the front supporting beam (1) or the rear supporting beam (2) through the limiting .
3. The steel structure stair of claim 1, wherein: the mounting seat (8) can be mounted on the surface of a concrete wall or a steel structure through screws or bolts, and the upper pedal (13) and the lower pedal (14) are made of wear-resistant steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450412.6U CN212671053U (en) | 2020-04-01 | 2020-04-01 | Steel construction stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450412.6U CN212671053U (en) | 2020-04-01 | 2020-04-01 | Steel construction stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671053U true CN212671053U (en) | 2021-03-09 |
Family
ID=74810967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020450412.6U Active CN212671053U (en) | 2020-04-01 | 2020-04-01 | Steel construction stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671053U (en) |
-
2020
- 2020-04-01 CN CN202020450412.6U patent/CN212671053U/en active Active
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