CN212773236U - Steel structure stair device - Google Patents
Steel structure stair device Download PDFInfo
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- CN212773236U CN212773236U CN202021243786.7U CN202021243786U CN212773236U CN 212773236 U CN212773236 U CN 212773236U CN 202021243786 U CN202021243786 U CN 202021243786U CN 212773236 U CN212773236 U CN 212773236U
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Abstract
The utility model discloses a building stair technical field especially relates to a steel construction stair device, and it includes girder steel, girder steel under the H shaped steel, ladder roof beam, upper junction plate, lower junction plate, first connecting bolt, second connecting bolt, third connecting bolt, splint on the H shaped steel, and girder steel links together on upper junction plate one side and the H shaped steel, and girder steel links together under lower junction plate and the H shaped steel, the utility model discloses during the site operation of steel construction stair device, only need link together upper junction plate and upper horizontal segment through first connecting bolt and link together and through second connecting bolt, third connecting bolt and splint lower junction plate and lower horizontal segment together just can accomplish the installation, no longer carry out a large amount of welding operations, reduced the intensity of labour of construction, do benefit to assurance construction quality, improved the efficiency of construction.
Description
Technical Field
The utility model relates to a building stair technical field especially relates to a steel construction stair device.
Background
The steel structure stair is an important component of a steel structure building and can be used as an important escape channel in case of accidents. At present, current steel construction stair device includes the girder steel, girder steel down, the ladder roof beam is including the lower horizontal segment that links together in proper order, the oblique section, go up the horizontal segment, go up the girder steel, the girder steel is H shaped steel usually down, it is connected with the last horizontal segment of ladder roof beam through the welded mode to go up the girder steel at the job site, the lower horizontal segment that the girder steel is connected with the ladder roof beam through the welded mode down, constructor on-the-spot welding work load is great, high labor strength, be unfavorable for guaranteeing the quality of construction, and very inconvenient dismantlement, influence the secondary and use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a steel construction stair device that construction low in labor strength, convenient dismantlement.
The utility model provides a technical scheme that its technical problem adopted is: a steel structure stair device comprises an upper H-shaped steel beam, a lower H-shaped steel beam and a ladder beam, wherein the ladder beam comprises a lower horizontal section, an inclined section and an upper horizontal section which are sequentially connected together, the upper H-shaped steel beam comprises a first upper flange plate, a first lower flange plate and a first web plate, one end of the first web plate is connected with the first upper flange plate, the other end of the first web plate is connected with the first lower flange plate, the lower H-shaped steel beam comprises a second upper flange plate, a second lower flange plate and a second web plate, one end of the second web plate is connected with the second upper flange plate, the other end of the second web plate is connected with the second lower flange plate, the steel structure stair device also comprises an upper connecting plate, a lower connecting plate, a first connecting bolt, a second connecting bolt, a third connecting bolt and a clamping plate, one side of the upper connecting plate is connected with the first upper flange plate, the first lower flange plate and the first web plate of the upper H-shaped steel beam, and the other, the upper horizontal section is provided with a second connecting through hole, and the first connecting bolt penetrates through the first connecting through hole and the second connecting through hole in a matching manner to detachably connect the upper connecting plate and the upper horizontal section together;
lower connecting plate and H shaped steel girder steel down's second upper flange plate, second lower flange plate and second web link together, be provided with third connect the via hole down on the connecting plate, be provided with fourth connect the via hole down on the horizontal segment, be provided with the bar hole of horizontal direction on the splint, the second connect bolt matches and passes the bar hole, the third connect the via hole can dismantle splint and link together with lower connecting plate, the third connect the via hole matches and passes the bar hole, the fourth connect the via hole can dismantle splint and horizontal segment down and link together.
The H-shaped steel upper beam further comprises a first stiffening plate, and the first stiffening plate is connected with the first upper flange plate, the first lower flange plate and the first web plate of the H-shaped steel upper beam.
Furthermore, the first stiffening plate is connected with the first upper flange plate, the first lower flange plate and the first web plate of the upper steel beam of the H-shaped steel in a welding mode.
Further, the upper connecting plate and the first stiffening plate are positioned on two sides of the first web plate.
Furthermore, the upper connecting plate is connected with a first upper flange plate, a first lower flange plate and a first web plate of the upper steel beam of the H-shaped steel in a welding mode.
The H-shaped steel lower beam comprises a first web plate, a first upper flange plate, a first lower flange plate and a first stiffening plate, wherein the first web plate is connected with the first upper flange plate and the first lower flange plate of the H-shaped steel lower beam.
Furthermore, the second stiffening plate is connected with the second upper flange plate, the second lower flange plate and the second web plate of the H-shaped steel lower steel beam in a welding mode.
Furthermore, the second stiffening plates and the lower connecting plates are positioned at two sides of the second web plate.
Further, the lower connecting plate is connected with a second upper flange plate, a second lower flange plate and a second web plate of the H-shaped steel lower steel beam in a welding mode.
The utility model has the advantages that: by arranging the upper connecting plate, the lower connecting plate, the first connecting bolt, the second connecting bolt, the third connecting bolt and the clamping plate, one side of the upper connecting plate is connected with the upper steel beam of the H-shaped steel, and the lower connecting plate is connected with the lower steel beam of the H-shaped steel, when the steel structure stair device is constructed on site, the installation and construction can be completed only by connecting the upper connecting plate with the upper horizontal section through the first connecting bolt and connecting the lower connecting plate with the lower horizontal section through the second connecting bolt, the third connecting bolt and the clamping plate, a large amount of welding operation is not carried out, the labor intensity of construction is reduced, the construction quality is favorably ensured, and the construction efficiency is improved; one side of the upper connecting plate is connected with a first upper flange plate, a first lower flange plate and a first web plate of the upper H-shaped steel beam, the lower connecting plate is connected with a second upper flange plate, a second lower flange plate and a second web plate of the lower H-shaped steel beam, the connecting and fixing effects of the upper connecting plate and the lower connecting plate are good, and the integral strength of the structure of the steel structure stair device is further improved; further, the utility model discloses steel construction stair device only needs to loosen first connecting bolt, second connecting bolt, third connecting bolt and just can accomplish the dismantlement of girder steel, girder steel and ladder roof beam under the H shaped steel on the H shaped steel, convenient dismantlement and can used repeatedly, and simple structure does benefit to and uses on a large scale.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection between the upper steel beam and the upper horizontal section of the H-shaped steel;
FIG. 3 is a schematic view of the connection between the lower steel beam and the lower horizontal section of the H-shaped steel;
the label is: the steel plate comprises an H-shaped steel upper steel beam 1, an H-shaped steel lower steel beam 2, a lower horizontal section 31, an inclined section 32, an upper horizontal section 33, an upper connecting plate 4, a lower connecting plate 5, a first connecting bolt 6, a second connecting bolt 7, a third connecting bolt 8, a clamping plate 9, a strip-shaped hole 91, a first stiffening plate 10 and a second stiffening plate 11.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 3, the utility model discloses steel structure stair device, girder steel 1 on the H shaped steel, girder steel 2 under the H shaped steel, the ladder roof beam is including the lower horizontal segment 31 that connects gradually together, the slope 32, go up horizontal segment 33, girder steel 1 includes first top flange board on the H shaped steel, first bottom flange board and first web, first web one end is connected with first top flange board, the other end is connected with first bottom flange board, girder steel 2 includes second top flange board under the H shaped steel, second bottom flange board and second web, second web one end is connected with second top flange board, the other end is connected with second bottom flange board, still include upper junction plate 4, lower junction plate 5, first connecting bolt 6, second connecting bolt 7, third connecting bolt 8, splint 9, upper junction plate 4 one side is through the first wing top flange board of welded mode with girder steel 1 on the H shaped steel, the first wing flange board, The first lower flange plate is connected with the first web plate, the other side of the upper connecting plate 4 is provided with a first connecting through hole, the upper horizontal section 33 is provided with a second connecting through hole, and the first connecting bolt 6 penetrates through the first connecting through hole and the second connecting through hole in a matched mode to detachably connect the upper connecting plate 4 with the upper horizontal section 33.
Lower connecting plate 5 is through the second upper flange plate of girder steel 2 under welded mode and H shaped steel, flange plate and second web link together under the second, be provided with third connect the via hole on the lower connecting plate 5, be provided with fourth connect the via hole on the lower horizontal segment 31, be provided with the bar hole 91 of horizontal direction on the splint 9, bar hole 91 is passed in the matching of second connecting bolt 7, the third connect the via hole can be dismantled splint 9 and lower connecting plate 5 and link together, bar hole 91 is passed in the matching of third connecting bolt 8, the fourth connect the via hole can be dismantled splint 9 and link together with lower horizontal segment 31, bar hole 91 makes horizontal segment 31 down, girder steel 2 can carry out the adjustment of position according to actual conditions under the H shaped steel.
When the steel structure stair device is constructed on site, the installation and construction can be finished only by connecting the upper connecting plate 4 with the upper horizontal section 33 through the first connecting bolt 6 and connecting the lower connecting plate 5 with the lower horizontal section 31 through the second connecting bolt 7, the third connecting bolt 8 and the clamping plate 9, a large amount of welding operation is not carried out any more, the labor intensity of construction is reduced, the construction quality is guaranteed, and the construction efficiency is improved; one side of the upper connecting plate 4 is connected with a first upper flange plate, a first lower flange plate and a first web plate of the H-shaped steel upper steel beam 1, the lower connecting plate 5 is connected with a second upper flange plate, a second lower flange plate and a second web plate of the H-shaped steel lower steel beam 2, the upper connecting plate 4 and the lower connecting plate 5 are good in connecting and fixing effect, and the integral strength of the structure of the steel structure stair device is further improved; further, the utility model discloses steel construction stair device only needs to loosen first connecting bolt 6, second connecting bolt 7, third connecting bolt 8 and just can accomplish the dismantlement of girder steel 2 and ladder roof beam under girder steel 1, the H shaped steel on the H shaped steel, and convenient dismantlement can used repeatedly, and simple structure does benefit to and uses on a large scale.
Specifically, in order to improve the strength of the steel beam 1 on the H-shaped steel and further improve the overall strength of the steel structure stair device, a first stiffening plate 10 is further provided, the shape of the first stiffening plate 10 is preferably quadrilateral, the material of the first stiffening plate is steel, and the first stiffening plate 10 is connected with the first upper flange plate, the first lower flange plate and the first web plate of the steel beam 1 on the H-shaped steel. In order to facilitate the connection of the first stiffening plate 10 and the upper steel beam 1 of the H-shaped steel, the first stiffening plate 10 is connected with the first upper flange plate, the first lower flange plate and the first web plate of the upper steel beam 1 of the H-shaped steel in a welding manner. In order to further improve the strength of the upper steel beam 1 of the H-shaped steel and balance the stress condition inside the upper steel beam 1 of the H-shaped steel, the upper connecting plate 4 and the first stiffening plate 10 are located at two sides of the first web.
Similarly, in order to improve the strength of the H-shaped steel lower beam 2 and further improve the overall strength of the steel structure stair device, a second stiffening plate 11 is further provided, the shape of the second stiffening plate 11 is preferably quadrilateral and made of steel, and the second stiffening plate 11 is connected with the second upper flange plate, the second lower flange plate and the second web of the H-shaped steel lower beam 2. For the convenience of the second stiffening plate 11 is connected with the H-shaped steel lower steel beam 2, the second stiffening plate 11 is connected with the second upper flange plate, the second lower flange plate and the second web plate of the H-shaped steel lower steel beam 2 in a welding mode. In order to further improve the strength of the lower H-beam 2 and balance the stress condition inside the lower H-beam 2, the second stiffening plates 11 and the lower connecting plate 5 are located on two sides of the second web.
Claims (9)
1. Steel construction stair device, girder steel (1) on the H shaped steel, girder steel (2) under the H shaped steel, the ladder roof beam is including linking gradually lower horizontal segment (31) together, oblique section (32), go up horizontal segment (33), girder steel (1) includes first top flange board on the H shaped steel, first flange board and first web down, first web one end is connected with first top flange board, the other end is connected with first flange board down, girder steel (2) includes second top flange board under the H shaped steel, second flange board and second web down, second web one end is connected with second top flange board, the other end is connected with second flange board down, its characterized in that: the H-shaped steel upper beam connecting structure is characterized by further comprising an upper connecting plate (4), a lower connecting plate (5), a first connecting bolt (6), a second connecting bolt (7), a third connecting bolt (8) and a clamping plate (9), wherein one side of the upper connecting plate (4) is connected with a first upper flange plate, a first lower flange plate and a first web plate of the H-shaped steel upper beam (1), a first connecting through hole is formed in the other side of the upper connecting plate (4), a second connecting through hole is formed in the upper horizontal section (33), and the first connecting bolt (6) penetrates through the first connecting through hole and the second connecting through hole in a matched mode to detachably connect the upper connecting plate (4) and the upper horizontal section (33);
lower connecting plate (5) and the second upper flange plate of girder steel (2) under the H shaped steel, flange plate and second web link together under the second, be provided with third connect the via hole on lower connecting plate (5), be provided with fourth connect the via hole on lower horizontal segment (31), be provided with bar hole (91) of horizontal direction on splint (9), bar hole (91) are passed in second connecting bolt (7) matching, third connect the via hole can dismantle splint (9) and lower connecting plate (5) and link together, bar hole (91) are passed in third connecting bolt (8) matching, fourth connect the via hole can dismantle splint (9) and lower horizontal segment (31) and link together.
2. The steel structure stair device of claim 1, wherein: the H-shaped steel structure is characterized by further comprising a first stiffening plate (10), wherein the first stiffening plate (10) is connected with a first upper flange plate, a first lower flange plate and a first web plate of the H-shaped steel upper beam (1).
3. The steel structure stair device of claim 2, wherein: the first stiffening plate (10) is connected with a first upper flange plate, a first lower flange plate and a first web plate of the upper H-shaped steel beam (1) in a welding mode.
4. The steel structure stair device of claim 2, wherein: the upper connecting plate (4) and the first stiffening plate (10) are positioned at two sides of the first web plate.
5. The steel structure stair device of claim 1, wherein: the upper connecting plate (4) is connected with a first upper flange plate, a first lower flange plate and a first web plate of the H-shaped steel upper steel beam (1) in a welding mode.
6. A steel construction stair device as claimed in any one of claims 1 to 5 wherein: the H-shaped steel lower beam comprises a first stiffening plate (11), and the first stiffening plate (11) is connected with a first upper flange plate, a first lower flange plate and a first web of the H-shaped steel lower beam (2).
7. The steel structure stair device of claim 6, wherein: the second stiffening plate (11) is connected with a second upper flange plate, a second lower flange plate and a second web plate of the H-shaped steel lower beam (2) in a welding mode.
8. The steel structure stair device of claim 6, wherein: the second stiffening plates (11) and the lower connecting plates (5) are positioned at two sides of the second web plate.
9. The steel structure stair device of claim 1, wherein: the lower connecting plate (5) is connected with a second upper flange plate, a second lower flange plate and a second web plate of the H-shaped steel lower beam (2) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243786.7U CN212773236U (en) | 2020-06-29 | 2020-06-29 | Steel structure stair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243786.7U CN212773236U (en) | 2020-06-29 | 2020-06-29 | Steel structure stair device |
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| Publication Number | Publication Date |
|---|---|
| CN212773236U true CN212773236U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243786.7U Active CN212773236U (en) | 2020-06-29 | 2020-06-29 | Steel structure stair device |
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| CN (1) | CN212773236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047434A (en) * | 2021-04-20 | 2021-06-29 | 同济大学 | Glued wood beam extension node |
| CN113374193A (en) * | 2021-07-12 | 2021-09-10 | 北京城建集团有限责任公司 | Non-column rotary stair structure and construction method thereof |
-
2020
- 2020-06-29 CN CN202021243786.7U patent/CN212773236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047434A (en) * | 2021-04-20 | 2021-06-29 | 同济大学 | Glued wood beam extension node |
| CN113374193A (en) * | 2021-07-12 | 2021-09-10 | 北京城建集团有限责任公司 | Non-column rotary stair structure and construction method thereof |
| CN113374193B (en) * | 2021-07-12 | 2023-03-14 | 北京城建集团有限责任公司 | Non-column rotary stair structure and construction method thereof |
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