CN207277718U - Full suspending rotary steel structure stairway structure - Google Patents
Full suspending rotary steel structure stairway structure Download PDFInfo
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- CN207277718U CN207277718U CN201720866798.7U CN201720866798U CN207277718U CN 207277718 U CN207277718 U CN 207277718U CN 201720866798 U CN201720866798 U CN 201720866798U CN 207277718 U CN207277718 U CN 207277718U
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Abstract
It the utility model is related to a kind of full suspending rotary steel structure stairway structure, including step plate, top connection steel body, lower part connection steel body, bench connecting plate, top built-in fitting, lower part built-in fitting and beams of concrete；Top built-in fitting and lower part built-in fitting are set in the beams of concrete to connect with rotation steel structure stairway section, and dowel and anchor plate are set on the built-in fitting of top；Rotating steel structure stairway section includes step plate, top connection steel body, lower part connection steel body and rotation girder steel；Step plate includes toe riser and transverse slat of marking time, its both ends is welded to connect with rotation girder steel；Connected on top and lifting connection bolt is set on steel body, lower part connection steel body and middle step plate.The beneficial effects of the utility model are：The both ends of prefabricated rotation steel structure stairway section set beam-ends connecting plate, which is connected with the bench connecting screw of built-in fitting steel plate in beams of concrete, improves the efficiency for turning steel structure stairway section connection construction and sterically defined accuracy.
Description
Technical field
The utility model is related to one kind can effectively lift full suspending rotary steel structure stairway node bonding strength, positioning accurate
Degree, construction efficiency, reduce the full suspending rotary steel structure stairway structure of welding engineering amount.Belong to building decoration engineering field, fit
For steel structure stairway construction work.
Background technology
With the extensive use of steel construction at home, making construction of the architectural image to steel construction proposes wanting for higher
Ask, particularly high-grade office building, public exhibition center, recreation center etc. are frequently encountered spiral stairs, wherein steel construction
Spiral stairs light structure, cleanliness is strong, can more show brisk atmosphere, be favored by users.In steel construction spiral stairs
In work progress, the works such as bench scene position inaccurate, node bonding strength are relatively low, site operation quality is difficult to control are commonly encountered
Cheng Wenti.
At present, a kind of existing steel structure stairway, structure include stair passage, more sling devices and hoist cable connector,
The sling device is distributed along the stair passage both sides, its both ends is installed in girder steel respectively and on ground, the stair lead to
Road is installed on the sling device by the hoist cable connector, it includes guardrail and some pedals.Analysis finds, the structure
Though solving the problems, such as the vertical carrying of stair, and ideal construction quality is achieved under suitable conditions of project natural environment,
But structure node is more, site welding construction workload is big, structure durability is not easy to ensure still have stair locus accurately to control
The problems such as system, node connection reinforcement, construction efficiency lifting, needs to solve.
In consideration of it, for lifting steel structural stair construction quality, accelerate site operation efficiency, reduction project cost, at present urgently
Treat that invention one kind can effectively lift full suspending rotary steel structure stairway node bonding strength, positioning accuracy, construction efficiency, reduce weldering
Connect the full suspending rotary steel structure stairway of quantities.
Utility model content
It is strong that full suspending rotary steel structure stairway node connection can be effectively lifted the purpose of this utility model is to provide one kind
Degree, positioning accuracy, construction efficiency, reduce the full suspending rotary steel structure stairway structure of welding engineering amount.
In order to realize above-mentioned technical purpose, the utility model employs following technical scheme.
A kind of full suspending rotary steel structure stairway structure, including step plate, top connection steel body, lower part connection steel body, ladder
Section connecting plate, top built-in fitting, lower part built-in fitting and beams of concrete；In the beams of concrete to connect with rotation steel structure stairway section
Top built-in fitting and lower part built-in fitting are set, and dowel and anchor plate are set on the built-in fitting of top；Rotate steel structure stairway section
Including step plate, top connection steel body, lower part connection steel body and rotation girder steel；Step plate includes toe riser and transverse slat of marking time,
Its both ends is welded to connect with rotation girder steel；Connected on top sets lifting to connect on steel body, lower part connection steel body and middle step plate
Connecting bolt；Top connects steel body and the end of lower part connection steel body is connected with bench connecting plate；Bench connecting plate and top are pre-buried
Part is connected with lower part built-in fitting by bench connecting screw, and bench connecting plate is welded to connect with rotation girder steel, and bench connecting plate exists
Beam-ends stiffening plate is set with rotation girder steel joint.
The top built-in fitting and lower part built-in fitting cross section are in inverted L-shaped；Its middle and upper part built-in fitting includes top built-in fitting
Company is integrally rolled or weld to riser and top built-in fitting transverse slat, top built-in fitting riser and top built-in fitting transverse slat by one block of steel plate
Connect；Lower part built-in fitting includes lower part built-in fitting riser and lower part built-in fitting transverse slat, and lower part built-in fitting riser and lower part built-in fitting are horizontal
Plate is integrally rolled or is welded to connect by one block of steel plate.
The top connection steel body includes top connection steel body transverse slat and steel body riser is connected with top, its middle and upper part connection steel
The side of body riser is welded to connect with the step plate to connect, bottom surface and bottom web are welded to connect, top connection steel body transverse slat side
Face is welded to connect with bench connecting plate；Lower part connection steel body includes lower part connection steel body transverse slat and steel body riser is connected with lower part, its
The top surface of middle and lower part connection steel body riser is welded to connect with the step plate to connect, lower part is connected bottom surface and the bottom abdomen of steel body riser
Plate is welded to connect, and lower part connection steel body transverse slat side is welded to connect with bench connecting plate.
The beam-ends stiffening plate connects the top shape and bottom shape of section according to bench connecting plate and rotation girder steel, existing
Field rolling is L-shaped, its both sides is bonded with bench connecting plate and rotation girder steel respectively, and is welded to connect.
The rotation steel structure stairway section is pre-assembled by the progress of moulding bed column, moulding bed crossbeam and connecting cross beam, and moulding bed is stood
Column, moulding bed crossbeam and connecting cross beam use section steel material, and moulding bed column is connected by screw bolts with moulding bed crossbeam；Moulding bed crossbeam with
Connecting cross beam is connected by screw bolts, and connecting cross beam is welded to connect with rotation girder steel.
The dowel uses spiral, and both ends are welded to connect with top built-in fitting riser and anchor plate respectively；Anchor plate
Cross section is rectangular, is rolled using stainless steel plate.
The utility model has the characteristics that following and beneficial effect：
(1) both ends of prefabricated rotation steel structure stairway section set beam-ends connecting plate, the beam-ends connecting plate and beams of concrete
The bench connecting screw connection of interior built-in fitting steel plate, improves the efficiency that turns steel structure stairway section connection construction and sterically defined
Accuracy.
(2) setting and top built-in fitting and lower part built-in fitting in beams of concrete, built-in fitting steel plate is in inverted L-shaped, and is made
Portion's built-in fitting and dowel and anchor plate, can be substantially improved the bonding strength of built-in fitting steel plate and beams of concrete, improve built-in fitting steel
The stress performance of plate.
(3) prefabricated rotation steel structure stairway section plate is required according to story height and rotation steel structure stairway spatial form, can
Site welding, concatenation construction workload is greatly decreased, improves work efficiency.
(4) this construction method is related to the Stress property that structure can be effectively improved stair, without setting newel, hoist cable etc. perpendicular
To supporting body, the aesthetic effect for rotating steel structure stairway is improved.
Brief description of the drawings
Fig. 1 is a kind of full suspending rotary steel structure stairway constructing structure schematic diagram of the utility model；
Fig. 2 is moulding bed crossbeam and rotation steel structure stairway section connection structure top view illustration；
Fig. 3 is Auxiliary support elevation；
Fig. 4 is a kind of full suspending rotary steel structure stairway construction process figure of the utility model.
In figure：1- step plates；2- tops connect steel body；3- lower parts connect steel body；4- bench connecting plates；5- tops are pre-buried
Part；6- lower parts built-in fitting；7- beams of concretes；8- dowels；9- anchor plates；10- tops built-in fitting riser；11- lower parts built-in fitting erects
Plate；12- bench connecting screws；13- tops connect steel body transverse slat；14- lower parts connect steel body transverse slat；15- rotates girder steel；16- tires
Erect column；17- connecting cross beams；18- moulding bed crossbeams；19- bottom webs；20- lifting connection bolts；21- beam-ends stiffening plates；22-
Auxiliary support；23- pressure diffusion plates；24- Auxiliary support backing plates；25- rotates girder steel displacement position-limiting plate；26- lifts screw rod；27-
Slide link slot；28- bench nuts；29- tops connect steel body riser；30- lower parts connect steel body riser；31- tops built-in fitting
Transverse slat；32- lower parts built-in fitting transverse slat；33- rotates steel structure stairway section；34- toe risers；35- marks time transverse slat.
Embodiment
The design of step plate connects steel body and connects steel body with lower part with making construction technical requirement, top in present embodiment
Design and construction technique requirement, dowel and anchor plate connection construction technical requirements, the design of rotation girder steel and site operation technology
It is required that, repeat no more in the present embodiment such as connection construction technical requirements of lifting screw rod, emphasis is illustrated the utility model is related to and applied
The embodiment of work method.
Fig. 1 is a kind of full suspending rotary steel structure stairway constructing structure schematic diagram of the utility model, Fig. 2 be moulding bed crossbeam with
Steel structure stairway section connection structure top view illustration is rotated, Fig. 3 is Auxiliary support elevation.With reference to shown in Fig. 1~Fig. 3, this
Utility model sets top built-in fitting 5 and lower part built-in fitting 6 in the beams of concrete 7 to connect with rotation steel structure stairway section 33,
And dowel 8 and anchor plate 9 are set on top built-in fitting 5；Rotating steel structure stairway section 33 includes step plate 1, top connection steel
Body 2, lower part connection steel body 3 and rotation girder steel 15；Step plate 1 includes toe riser 34 and transverse slat 35 of marking time, its both ends and rotation
Girder steel 15 is welded to connect；Connected on top and lifting connection bolt is set on steel body 2, lower part connection steel body 3 and middle step plate 1
20；Top connects steel body 2 and the end of lower part connection steel body 3 is connected with bench connecting plate 4；Bench connecting plate 4 and top are pre-buried
Part 5 and lower part built-in fitting 6 are connected by bench connecting screw 12, are welded to connect with rotation girder steel 15, and with rotating girder steel 15
Joint sets beam-ends stiffening plate 21.
Step plate 1 includes toe riser 34 and transverse slat 35 of marking time, and wherein toe riser 34 and transverse slat 35 of marking time is using thickness
1cm, the steel plate that strength grade is Q235 cut into design shape, and the height of toe riser 34 is 20cm.
Top connection steel body 2 includes top connection steel body transverse slat 13 and steel body riser 29, top connection steel body is connected with top
Riser 29 is welded to connect with the step plate 1 to connect, bottom surface and bottom web 19 are welded to connect, 13 side of top connection steel body transverse slat
Face is welded to connect with bench connecting plate 4.Top connection steel body transverse slat 13, top connection steel body riser 29 and bottom web 19 are adopted
The steel plate for being Q235 with thick 12mm, strength grade cuts into design shape.Bottom web 19 uses mechanical bend into design shape.
By being welded to connect between the steel plate to connect.
Lower part connection steel body 3 includes lower part connection steel body transverse slat 14 and steel body riser 30 is connected with lower part, the connection of its middle and lower part
The top surface of steel body riser 30 is welded to connect with the step plate 1 to connect, bottom surface and bottom web 19 are welded to connect, lower part connection steel body
14 side of transverse slat is welded to connect with bench connecting plate 4；By being welded to connect between the steel plate to connect.Lower part connection steel body transverse slat 14
Steel body riser 30 is connected with lower part uses thickness 12mm, strength grade to cut into design shape for the steel plate of Q235.
4 high 400mm of bench connecting plate, long 1500mm, thickness 12mm, use strength grade to be formed for the steel plate cutting of Q235.
Top built-in fitting 5 and 6 cross section of lower part built-in fitting are in inverted L-shaped；Its middle and upper part built-in fitting 5 is erected including top built-in fitting
Plate 10 and top built-in fitting transverse slat 31, top built-in fitting riser 10 and top built-in fitting transverse slat 31 use strength grade as 235
Steel plate is integrally rolled, and vertical a height of 450mm, laterally wide is 200mm；Lower part built-in fitting 6 includes lower part built-in fitting riser 11 with
Portion's built-in fitting transverse slat 32, lower part built-in fitting riser 11 and lower part built-in fitting transverse slat 32 use strength grade overall for 235 steel plate
Roll, vertical a height of 450mm, laterally wide is 200mm.
Beams of concrete 7 uses reinforced beam of the strength grade for C30.
Dowel 8 uses spiral, a diameter of 32mm, and both ends are welded with top built-in fitting riser 10 and anchor plate 9 respectively
Connection；9 cross section of anchor plate is rectangular, and size is 100mm × 100mm, using the zinc-plated stainless steel plate of thick 10mm.
Bench connecting screw 12 uses M56 stainless steel steel screw rods.Bench nut 28 is using size and bench connecting screw 12
The hex nut to match.
Rotate 15 cross dimensions of girder steel be 200 × 400mm, use thick 10mm, strength grade for 235 steel plate preparation and
Into.
16 cross dimensions of moulding bed column is 400 × 400mm, use thick 10mm, strength grade for 235 steel plate prepare and
Into
17 cross dimensions of connecting cross beam is 200 × 400mm, uses thick 6mm, strength grade to be prepared for 235 steel plate.
Moulding bed crossbeam 18 use wall thickness 4.5mm, high 100mm, width 68mm, strength grade for Q235C I-steel steel.
Lifting connection bolt 20 uses stainless steel bolt of the internal diameter for 36mm；Lift 26 size of screw rod and lifting connection bolt
20 match.
Beam-ends stiffening plate 21 uses thickness 6mm, strength grade to be prepared for 235 steel plate.
Auxiliary support 22 use wall thickness 4.5mm, high 100mm, width 68mm, strength grade for Q235C I-steel steel.
Pressure diffusion plate 23, Auxiliary support backing plate 24, rotation girder steel displacement position-limiting plate 25 are using thickness 10mm, strength grade
Prepared for 235 steel plate.
It is 60mm wide, 100mm high to slide 27 size of link slot.
Fig. 4 is a kind of full suspending rotary steel structure stairway construction process figure of the utility model, a kind of complete outstanding with reference to shown in Fig. 4
Sky rotation steel structure stairway, including following construction procedure：
(1) preparation of construction：According to full suspending rotary steel structure stairway locus, size requirement, determine step plate 1, on
Portion's connection steel body 2, lower part connection steel body 3, bench connecting plate 4, top built-in fitting 5, the size of lower part built-in fitting 6；Establish rotation
The locus model of steel structure stairway section 33；
(2) top built-in fitting 5 and lower part built-in fitting 6 are laid：The sky of the rotation steel structure stairway section 33 determined according to mapping
Between position, top built-in fitting 5 and lower part built-in fitting 6 are being set with the beams of concrete 7 that connects of rotation steel structure stairway section 33, and
Dowel 8 and anchor plate 9 are set on top built-in fitting 5, by top built-in fitting 5 and lower part built-in fitting 6 and the beams of concrete 7 that connects
Interior reinforcement welding connection；Bench connecting screw 12 is preset on top built-in fitting riser 10 and lower part built-in fitting riser 11；
(3) the 33 size mapping of steel structure stairway section is rotated：According to the radius of turn of full suspending rotary steel structure stairway, height
The requirement of degree, transport, site operation etc., first connects steel body transverse slat 14 with lower part by top connection steel body transverse slat 13 and is layered on ground
On, then to rotate the radius of turn of steel structure stairway section 33 draw rotation 15 projection in the horizontal direction of girder steel on the ground as radius
Setting circle, marks 33 horizontal size control point of rotation steel structure stairway section；In 33 outside arrangement moulding bed of rotation steel structure stairway section
Column 16, and height difference line is marked on moulding bed column 16, then it is welded to connect crossbeam in the height difference line position of every group of moulding bed column 16
17；
(4) it is pre-assembled to rotate steel structure stairway section 33：According to the gradient of rotation steel structure stairway section 33, with veneer reeling machine the bottom of
Portion's web 19 is rolled into the helical form of certain angle and radian；Rotation girder steel 15 is welded on connecting cross beam 17, passes through moulding bed crossbeam
18 transfer the load on moulding bed column 16；Set inside between two stair in outside rotation girder steels 15 top connect steel body 2, under
Portion connects steel body 3 and step plate 1, is welded to connect between the step plate 1 that connects；Steel body 2, lower part 3 and of connection steel body are connected on top
Lifting connection bolt 20 is set on middle step plate 1；Bench connecting plate 4 and rotation girder steel 15 are welded to connect, and in joint
Beam-ends stiffening plate 21 is set, bench connecting plate 4 is connected to 14 company of welding of steel body transverse slat 13 and lower part connection steel body transverse slat with top
Connect；
(5) built-in fitting position correction：According to the locus of rotation steel structure stairway section 33 and structure connection request, to ladder
Horizontal level, vertical elevation, the withdrawal resistance of section connecting screw 12 are tested, and remove the ash on 12 surface of bench connecting screw
Dirt；
(6) Auxiliary support 22 is laid：Auxiliary support 22 is laid at the construction field (site), is set at Auxiliary support 22 with ground
Pressure diffusion plate 23 is put, Auxiliary support backing plate 24 is set with 15 joint of rotation girder steel；Rotation is set on Auxiliary support backing plate 24
Turn girder steel displacement position-limiting plate 25；
(7) steel structure stairway section 33 is rotated to lift：After lifting screw rod 26 is connected firmly with lifting connection bolt 20, it will revolve
Turn the bottom-up lifting of steel structure stairway section 33 to design position, and connect top built-in fitting 5 and the bench of lower part built-in fitting 6
The sliding link slot 27 on bench connecting plate 4 that screw rod 12 passes through, is tentatively fastened using bench nut 28；
(8) steel structure stairway section 33 is rotated to connect：The 33 locus correction of rotation steel structure stairway section is first carried out, it is then tight
Gu bench nut 28；Finally carry out connecting being welded and fixed of steel structure member；
(9) Auxiliary support 22 is removed：To the locus of full suspending rotary steel structure stairway, node bonding strength, welding
Quality etc. carries out Site Detection；Remove Auxiliary support 22.
Claims (6)
- A kind of 1. full suspending rotary steel structure stairway structure, it is characterised in that：Including step plate (1), top connection steel body (2), Lower part connection steel body (3), bench connecting plate (4), top built-in fitting (5), lower part built-in fitting (6) and beams of concrete (7)；With rotation Turn to set top built-in fitting (5) and lower part built-in fitting (6) in the beams of concrete (7) that steel structure stairway section (33) connects, and upper Dowel (8) and anchor plate (9) are set on portion's built-in fitting (5)；Rotating steel structure stairway section (33) includes step plate (1), top company Connect steel body (2), lower part connection steel body (3) and rotation girder steel (15)；Step plate (1) includes toe riser (34) and transverse slat of marking time (35), its both ends is welded to connect with rotation girder steel (15)；Mark time in top connection steel body (2), lower part connection steel body (3) and centre Lifting connection bolt (20) is set on plate (1)；The end of top connection steel body (2) and lower part connection steel body (3) is connected with bench Plate (4) connects；Bench connecting plate (4) is connected with top built-in fitting (5) and lower part built-in fitting (6) by bench connecting screw (12) Connect, bench connecting plate (4) is welded to connect with rotation girder steel (15), and bench connecting plate (4) is set with rotation girder steel (15) joint Put beam-ends stiffening plate (21).
- 2. full suspending rotary steel structure stairway structure according to claim 1, it is characterised in that the top built-in fitting (5) It is in inverted L-shaped with lower part built-in fitting (6) cross section；Its middle and upper part built-in fitting (5) includes top built-in fitting riser (10) and top is pre- Company is integrally rolled or weld to embedded part transverse slat (31), top built-in fitting riser (10) and top built-in fitting transverse slat (31) by one block of steel plate Connect；Lower part built-in fitting (6) includes lower part built-in fitting riser (11) and lower part built-in fitting transverse slat (32), lower part built-in fitting riser (11) Integrally rolled or be welded to connect by one block of steel plate with lower part built-in fitting transverse slat (32).
- 3. full suspending rotary steel structure stairway structure according to claim 1, it is characterised in that the top connects steel body (2) include top connection steel body transverse slat (13) and steel body riser (29) is connected with top, its middle and upper part connection steel body riser (29) Side is welded to connect with the step plate (1) to connect, bottom surface and bottom web (19) are welded to connect, top connection steel body transverse slat (13) Side is welded to connect with bench connecting plate (4)；Lower part connection steel body (3) includes lower part connection steel body transverse slat (14) and is connected with lower part Steel body riser (30), the top surface that its middle and lower part connects steel body riser (30) is welded to connect with the step plate (1) to connect, lower part is connected The bottom surface of steel body riser (30) is welded to connect with bottom web (19), lower part connection steel body transverse slat (14) side and bench connecting plate (4) it is welded to connect.
- 4. full suspending rotary steel structure stairway structure according to claim 1, it is characterised in that the beam-ends stiffening plate (21) connected the top shape and bottom shape of section according to bench connecting plate (4) and rotation girder steel (15), scene rolling is in " L " Shape, its both sides is bonded with bench connecting plate (4) and rotation girder steel (15) respectively, and is welded to connect.
- 5. full suspending rotary steel structure stairway structure according to claim 1, it is characterised in that the rotation steel construction building Bench (33) carries out pre-assembled, moulding bed column (16), tire by moulding bed column (16), moulding bed crossbeam (18) and connecting cross beam (17) Frame crossbeam (18) and connecting cross beam (17) use section steel material, and moulding bed column (16) is connected with moulding bed crossbeam (18) using bolt Connect；Moulding bed crossbeam (18) is connected by screw bolts with connecting cross beam (17), and connecting cross beam (17) is welded to connect with rotation girder steel (15).
- 6. full suspending rotary steel structure stairway structure according to claim 1, it is characterised in that the dowel (8) uses spiral shell Line reinforcing bar, both ends are welded to connect with top built-in fitting riser (10) and anchor plate (9) respectively；Anchor plate (9) cross section is rectangular, Rolled using stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866798.7U CN207277718U (en) | 2017-07-17 | 2017-07-17 | Full suspending rotary steel structure stairway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866798.7U CN207277718U (en) | 2017-07-17 | 2017-07-17 | Full suspending rotary steel structure stairway structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207277718U true CN207277718U (en) | 2018-04-27 |
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ID=61986191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866798.7U Active CN207277718U (en) | 2017-07-17 | 2017-07-17 | Full suspending rotary steel structure stairway structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207277718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237461A (en) * | 2017-07-17 | 2017-10-10 | 深圳市建艺装饰集团股份有限公司 | A kind of full suspending rotary steel structure stairway structure and construction method |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
-
2017
- 2017-07-17 CN CN201720866798.7U patent/CN207277718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237461A (en) * | 2017-07-17 | 2017-10-10 | 深圳市建艺装饰集团股份有限公司 | A kind of full suspending rotary steel structure stairway structure and construction method |
| CN107237461B (en) * | 2017-07-17 | 2023-04-07 | 深圳市建艺装饰集团股份有限公司 | Full-suspension rotary steel structure stair structure and construction method |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
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