CN113982206A - Assembled steel and concrete combined stair - Google Patents
Assembled steel and concrete combined stair Download PDFInfo
- Publication number
- CN113982206A CN113982206A CN202111106416.8A CN202111106416A CN113982206A CN 113982206 A CN113982206 A CN 113982206A CN 202111106416 A CN202111106416 A CN 202111106416A CN 113982206 A CN113982206 A CN 113982206A
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- CN
- China
- Prior art keywords
- seats
- concrete
- steel
- assembled steel
- concrete combined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 229910000746 Structural steel Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 210000002421 cell wall Anatomy 0.000 claims 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- XEEYBQQBJWHFJM-FTXFMUIASA-N iron-51 Chemical compound [51Fe] XEEYBQQBJWHFJM-FTXFMUIASA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/025—Stairways having stringers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal
Abstract
The invention discloses an assembly type steel and concrete combined stair which comprises two steel beams, a plurality of dry concrete steps and two connecting mechanisms, wherein the detachable concrete steps are arranged between the two steel beams, the front ends of the two steel beams are adjustably connected together through the connecting mechanisms, the rear ends of the two steel beams are adjustably connected together through the connecting mechanisms, the steel beams are channel-shaped steel, and the width of a channel wall body I for placing the concrete steps on the steel beams is larger than that of another channel wall body II of the steel beams.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of stairs, in particular to the technical field of assembled steel and concrete combined stairs.
[ background of the invention ]
Most of the existing fabricated staircases are concrete slab staircases or pure steel staircases. The concrete stair has large concrete consumption, high manufacturing cost and large whole weight, and is inconvenient to construct and transport. The pure steel stair has high cost, large noise and large deflection and is not high in use comfort level due to the fact that the section steel material is high in price.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an assembly type steel and concrete combined stair which can be conveniently constructed and transported, reduce the cost and improve the use comfort.
In order to achieve the purpose, the invention provides an assembly type steel and concrete combined stair which comprises two steel beams, a plurality of dry concrete steps and two connecting mechanisms, wherein the detachable concrete steps are arranged between the two steel beams, the front ends of the two steel beams are adjustably connected together through the connecting mechanisms, the rear ends of the two steel beams are adjustably connected together through the connecting mechanisms, the steel beams are channel-shaped steel, and the width of a channel wall body I for placing the concrete steps on the steel beams is larger than that of the other channel wall body II of the steel beams.
Preferably, the front end of the concrete step is provided with an elastic sealing gasket.
Preferably, the groove wall body II is provided with a positioning mechanism which corresponds to and is matched with the concrete steps one by one.
Preferably, the positioning mechanism comprises angle iron, a connecting seat, a T-shaped groove, a T-shaped nut and a fastening bolt I, the angle iron is arranged on one side of the connecting seat, the T-shaped groove is formed in the other side of the connecting seat, the T-shaped nut is arranged in the T-shaped groove, the groove wall body II is fixedly connected with the T-shaped nut through the fastening bolt I, and a screw rod body of the fastening bolt I is pressed against the groove bottom of the T-shaped groove.
Preferably, the depth of the big end of the T-shaped groove is greater than the height of the big end of the T-shaped nut, and the depth of the small end of the T-shaped groove is less than the height of the small end of the T-shaped nut.
Preferably, a baffle is arranged at one end of the angle iron facing the bottom of the steel beam groove.
Preferably, the connecting mechanism comprises two connecting seats, a sleeve body, an extensible body, a fastening bolt II and a threaded hole, the sleeve body and the extensible body are respectively arranged on the inner sides of the two connecting seats, the sleeve body is sleeved on the extensible body, the threaded hole is formed in the free end of the extensible body, and the fastening bolt II in threaded connection with the threaded hole is arranged on the connecting seat provided with the sleeve body.
Preferably, the two connecting seats are provided with cover plates.
Preferably, the two connecting seats are provided with buffer mechanisms, each buffer mechanism comprises an upper support, a lower support and two buffer assemblies, and two buffer assemblies which are arranged in a splayed manner are arranged between the upper support and the lower support.
As preferred, the buffering subassembly includes mount pad, two lower mount pads, two upper slides, two lower slides, two linking arms, a plurality of spring and two slide bars on two, all be equipped with the slide bar between two upper mounts pads and between two lower mount pads, be equipped with the upper slide on the slide bar of top, all be equipped with fixed connection's spring between two upper slides and between upper mount pad and the upper slide pad, be equipped with two lower slides on the slide bar of below, all be equipped with fixed connection's spring between two lower slides and between lower mount pad and the lower slide pad, all be equipped with sliding connection's linking arm between upper slide and the lower slide pad at oblique angle, the articulated connection of cross department of two linking arms.
The invention has the beneficial effects that: according to the invention, the two steel beams are matched with the concrete step, so that the cost is reduced, and the use comfort is improved; the detachable concrete step is arranged between the two steel beams, so that the decomposed part can be transported to an installation site for assembly, and construction and transportation are facilitated; the front ends of the two steel beams are adjustably connected together through a connecting mechanism, the rear ends of the two steel beams are adjustably connected together through a connecting mechanism, the steel beams are channel-shaped steel, the width of a channel wall body I, used for placing concrete steps, of the steel beams is larger than that of another channel wall body II of the steel beams, the concrete steps can be placed on the channel wall body I firstly, then the two steel beams are fixedly connected together through the connecting mechanism, the concrete steps are fixed, and the installation convenience is further improved. Compared with the prior art, can conveniently be under construction and transport, reduce cost improves use comfort.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of an assembled steel and concrete combined stair of the present invention;
FIG. 2 is a partial top view of an assembled steel and concrete stair of the present invention;
FIG. 3 is an enlarged view of A in FIG. 1;
fig. 4 is a schematic structural view of the buffer assembly.
In the figure: 1-steel beam, 2-concrete step, 3-connecting mechanism, 4-elastic sealing gasket, 5-positioning mechanism, 11-groove wall body I, 12-groove wall body II, 31-connecting seat, 32-sleeve body, 33-telescopic body, 34-fastening bolt II, 35-threaded hole, 36-buffer mechanism, 37-cover plate, 51-angle iron, 52-connecting seat, 53-T-shaped groove, 54-T-shaped nut, 55-fastening bolt I, 56-baffle, 361-upper support, 362-lower support, 363-buffer component, 3631-upper mounting seat, 3632-lower mounting seat, 3633-upper sliding seat, 3634-lower sliding seat, 3635-connecting arm, 3636-spring and 3637-sliding rod.
[ detailed description ] embodiments
Referring to fig. 1, 2, 3 and 4, the assembled steel and concrete combined stair comprises two steel beams 1, a plurality of dry concrete steps 2 and two connecting mechanisms 3, wherein the detachable concrete steps 2 are arranged between the two steel beams 1, the front ends of the two steel beams 1 are adjustably connected together through one connecting mechanism 3, the rear ends of the two steel beams 1 are adjustably connected together through one connecting mechanism 3, the steel beams 1 are channel-shaped steel, the width of a channel wall body I11 of the steel beam 1 for placing the concrete steps 2 is larger than that of another channel wall body II12 of the steel beam 1, the front end of the concrete step 2 is provided with an elastic sealing gasket 4, the channel wall body II12 is provided with a positioning mechanism 5 which corresponds to and is matched with the concrete steps 2 one by one, the positioning mechanism 5 comprises an angle iron 51, a connecting seat 52, a T-shaped channel 53, a T-shaped nut 54 and a fastening bolt I55, the connecting mechanism comprises a connecting seat 31, a sleeve body 32, a telescopic body 33, a fastening bolt II34 and a threaded hole 35, wherein an angle iron 51 is arranged on one side of the connecting seat 52, a T-shaped groove 53 is arranged on the other side of the connecting seat 52, a T-shaped nut 54 is arranged in the T-shaped groove 53, a groove wall body II12 is fixedly connected with the T-shaped nut 54 through the fastening bolt I55, a screw rod body of the fastening bolt I55 is pressed against the bottom of the T-shaped groove 53, the depth of the large end of the T-shaped groove 53 is larger than the height of the large end of the T-shaped nut 54, a baffle 56 is arranged at one end of the angle iron 51 facing the bottom of the steel beam 1, the depth of the small end of the T-shaped groove 53 is smaller than the height of the small end of the T-shaped nut 54, the connecting mechanism 3 comprises the two connecting seats 31, the sleeve body 32, the telescopic body 33, the sleeve body 32 and the telescopic body 33, the sleeve body 32 is sleeved on the free end of the telescopic body 33, the threaded hole 35, and the connecting seat 31 provided with the fastening bolt II34 in threaded connection with the threaded hole 35, cover plates 37 are arranged on the two connecting seats 31, buffer mechanisms 36 are arranged on the two connecting seats 31, each buffer mechanism 36 comprises an upper support 361, a lower support 362 and two buffer assemblies 363, two buffer assemblies 363 arranged in a splayed manner are arranged between the upper support 361 and the lower support 362, each buffer assembly 363 comprises two upper mounting seats 3631, two lower mounting seats 3632, two upper sliding seats 3633, two lower sliding seats 3634, two connecting arms 3635, a plurality of springs 3636 and two sliding rods 3637, sliding rods 3637 are arranged between the two upper mounting seats 3631 and between the two lower mounting seats 3632, upper sliding seats 3633 are arranged on the sliding rods 3637 above, fixedly connected springs 3636 are arranged between the two upper sliding seats 3633 and between the upper mounting seats 3631 and the upper sliding seats 3633, two lower sliding seats 3634 are arranged on the sliding rods 3637 below, and fixedly connected springs 3636 are arranged between the two lower sliding seats 3634 and between the lower mounting seats 3632 and the lower sliding seats 3634, a connecting arm 3635 in sliding connection is arranged between the upper sliding seat 3633 and the lower sliding seat 3634 at an oblique angle, and the intersection of the two connecting arms 3635 is hinged.
The working process of the invention is as follows:
during the working process of the assembled steel and concrete combined stair, a connecting seat 31 connected with an inner steel beam 1 is fixedly connected with an upper support 361, an unfixed steel beam 1 is adjusted, the distance between two groove wall bodies II12 is slightly larger than the length of a concrete step 2, then the concrete step 2 is placed on a groove wall body I11, an angle iron 51 is slid onto the concrete step 2 to be preliminarily positioned, after the concrete step 2 is completely placed, a fastening bolt II34 is screwed, the fastening bolt II34 drives the unfixed steel beam 1 to move close to another steel beam 1 to clamp the concrete step 2, then the connecting seat 31 on the unfixed steel beam 1 is fixedly connected with the upper support 361, the fastening bolt I55 is screwed, and then a cover plate 37 is fixed on the connecting seat 31.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides an assembled steel and concrete combination stair which characterized in that: including two girder steels (1), if dry concrete mark time (2) and two coupling mechanism (3), be equipped with detachable concrete mark time (2) between two girder steels (1), the front end of two girder steels (1) is in the same place through a coupling mechanism (3) adjustable link, the rear end of two girder steels (1) is in the same place through a coupling mechanism (3) adjustable link, girder steel (1) is the channel steel, the width that girder steel (1) is used for shelving the cell wall body I (11) of concrete mark time (2) is greater than the width of another cell wall body II (12) of girder steel (1).
2. The assembled steel and concrete combined stair of claim 1, wherein: the front end of the concrete step (2) is provided with an elastic sealing gasket (4).
3. The assembled steel and concrete combined stair of claim 1, wherein: and the groove wall body II (12) is provided with positioning mechanisms (5) which correspond to the concrete steps (2) one by one and are matched with the concrete steps.
4. The assembled steel and concrete combined stair of claim 3, wherein: positioning mechanism (5) are including angle bar (51), connecting seat (52), T shape groove (53), T nut (54) and fastening bolt I (55), one side of connecting seat (52) is equipped with angle bar (51), the opposite side of connecting seat (52) is equipped with T shape groove (53), be equipped with T nut (54) in T shape groove (53), groove wall body II (12) are through fastening bolt I (55) and T nut (54) fixed connection, the screw rod body top pressure of fastening bolt I (55) is on the tank bottom of T groove (53).
5. The assembled steel and concrete combined stair of claim 4, wherein: the depth of the large end of the T-shaped groove (53) is greater than the height of the large end of the T-shaped nut (54), and the depth of the small end of the T-shaped groove (53) is less than the height of the small end of the T-shaped nut (54).
6. The assembled steel and concrete combined stair of claim 4, wherein: and a baffle plate (56) is arranged at one end of the angle iron (51) facing the bottom of the steel beam (1).
7. The assembled steel and concrete combined stair of claim 1, wherein: coupling mechanism (3) include two connecting seats (31), the cover body (32), the flexible body (33), fastening bolt II (34) and screw hole (35), the inboard of two connecting seats (31) is equipped with the cover body (32) and the flexible body (33) respectively, cover body (32) cover is established on the flexible body (33), the free end of the flexible body (33) is equipped with screw hole (35), is equipped with fastening bolt II (34) with screw hole (35) threaded connection on connecting seat (31) that is equipped with the cover body (32).
8. The assembled steel and concrete combined stair of claim 7, wherein: and cover plates (37) are arranged on the two connecting seats (31).
9. The assembled steel and concrete combined stair of claim 7, wherein: be equipped with buffer gear (36) on two connecting seats (31), buffer gear (36) include upper bracket (361), undersetting (362) and two buffer assembly (363), be equipped with two buffer assembly (363) that are the splayed setting between upper bracket (361) and undersetting (362).
10. The assembled steel and concrete combined stair of claim 9, wherein: the buffer assembly (363) comprises two upper mounting seats (3631), two lower mounting seats (3632), two upper sliding seats (3633), two lower sliding seats (3634), two connecting arms (3635), a plurality of springs (3636) and two sliding rods (3637), the sliding rods (3637) are arranged between the two upper mounting seats (3631) and between the two lower mounting seats (3632), the upper sliding seats (3633) are arranged on the sliding rods (3637) above, the springs (3636) fixedly connected are arranged between the two upper sliding seats (3633) and between the upper mounting seats (3631) and the upper sliding seats (3633), the two lower sliding seats (3634) are arranged on the sliding rods (3637) below, the springs (3636) fixedly connected are arranged between the two lower sliding seats (3634) and between the lower mounting seats (3632) and the lower sliding seats (3634), and the connecting arms (3635) connected in a sliding manner are arranged between the upper sliding seats (3633) and the lower sliding seats (3634) at oblique angles, the intersection of the two connecting arms (3635) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106416.8A CN113982206A (en) | 2021-09-22 | 2021-09-22 | Assembled steel and concrete combined stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106416.8A CN113982206A (en) | 2021-09-22 | 2021-09-22 | Assembled steel and concrete combined stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113982206A true CN113982206A (en) | 2022-01-28 |
Family
ID=79736203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111106416.8A Pending CN113982206A (en) | 2021-09-22 | 2021-09-22 | Assembled steel and concrete combined stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113982206A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0657899A (en) * | 1992-08-10 | 1994-03-01 | Nagashimaya:Kk | Tread for staircase and assembling thereof |
| WO2007011127A1 (en) * | 2005-07-19 | 2007-01-25 | Min-Seon Jeong | Precast stairway system, unit structure thereof, and method of constructing stairway system using the same |
| CN208533893U (en) * | 2018-06-23 | 2019-02-22 | 上海住信住宅工业有限公司 | A kind of concrete prefabricated stairs |
| CN110439196A (en) * | 2018-05-05 | 2019-11-12 | 福建省高华建设工程有限公司 | A kind of Z-shape steel beam-PC step plate stair |
| CN213087257U (en) * | 2020-07-30 | 2021-04-30 | 青岛腾远设计事务所有限公司 | Precast concrete stair can be dismantled to disconnect-type |
| CN112726981A (en) * | 2020-12-13 | 2021-04-30 | 南京筑友智造科技有限公司 | Assembled stair and installation method thereof |
-
2021
- 2021-09-22 CN CN202111106416.8A patent/CN113982206A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0657899A (en) * | 1992-08-10 | 1994-03-01 | Nagashimaya:Kk | Tread for staircase and assembling thereof |
| WO2007011127A1 (en) * | 2005-07-19 | 2007-01-25 | Min-Seon Jeong | Precast stairway system, unit structure thereof, and method of constructing stairway system using the same |
| CN110439196A (en) * | 2018-05-05 | 2019-11-12 | 福建省高华建设工程有限公司 | A kind of Z-shape steel beam-PC step plate stair |
| CN208533893U (en) * | 2018-06-23 | 2019-02-22 | 上海住信住宅工业有限公司 | A kind of concrete prefabricated stairs |
| CN213087257U (en) * | 2020-07-30 | 2021-04-30 | 青岛腾远设计事务所有限公司 | Precast concrete stair can be dismantled to disconnect-type |
| CN112726981A (en) * | 2020-12-13 | 2021-04-30 | 南京筑友智造科技有限公司 | Assembled stair and installation method thereof |
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