CN114960948A - Steel bar constraint circular steel tube component with slidable end sleeve - Google Patents
Steel bar constraint circular steel tube component with slidable end sleeve Download PDFInfo
- Publication number
- CN114960948A CN114960948A CN202210753465.9A CN202210753465A CN114960948A CN 114960948 A CN114960948 A CN 114960948A CN 202210753465 A CN202210753465 A CN 202210753465A CN 114960948 A CN114960948 A CN 114960948A
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- Prior art keywords
- plate
- sleeve
- steel
- steel tube
- fixed
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 230000000452 restraining effect Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a steel bar restraint circular steel tube component with a slidable end sleeve, which is characterized in that a first end plate, a first connecting ring plate, restraint rings, a second connecting ring plate and a second end plate are sequentially distributed, one end of the first end sleeve is welded and fixed on the first end plate, the other end of the first end sleeve penetrates through the first connecting ring plate and is fixed with a first limiting ring, and the first limiting ring is fixedly sleeved on the outer wall of the first end sleeve; one end of the second end sleeve is welded and fixed on the second end plate, and the other end of the second end sleeve passes through the second connecting ring plate and is fixed with a second limiting ring; one end of the circular steel tube is inserted into the first end part sleeve and then fixed on the first end plate, the other end of the circular steel tube sequentially penetrates through the constraint rings and then is fixed on the second end plate after being inserted into the second end part sleeve, and the component has the advantages of being strong in stable bearing capacity, simple in construction and small in steel consumption.
Description
Technical Field
The invention belongs to the field of steel structures, relates to a circular steel tube component, and particularly relates to a reinforcing steel bar constraint circular steel tube component with a slidable end sleeve.
Background
Once an important member in a large-span space grid structure is unstable, the structure is locally unstable, so that the whole structure can collapse, and serious casualties and economic losses are caused. At present, measures for improving the stability of the component are complex in construction, the steel consumption is large, the self weight is larger, the transportation difficulty of the component is increased, and meanwhile, the stable bearing capacity is weaker.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a steel bar constraint circular steel tube component with a slidable end sleeve, which has the characteristics of strong stable bearing capacity, simple construction and small steel consumption.
In order to achieve the above purpose, the steel bar constraint circular steel tube component with the slidable end sleeve comprises a first end sleeve, a second end sleeve, a circular steel tube, a first end plate, a first connecting ring plate, a second end plate, a second connecting ring plate and a plurality of constraint rings;
the first end plate, the first connecting ring plate, the restraint rings, the second connecting ring plate and the second end plate are sequentially distributed, one end of a first end sleeve is fixedly welded on the first end plate, the other end of the first end sleeve penetrates through the first connecting ring plate and is fixedly provided with a first limiting ring, and the first limiting ring is fixedly sleeved on the outer wall of the first end sleeve; one end of the second end sleeve is welded and fixed on the second end plate, and the other end of the second end sleeve passes through the second connecting ring plate and is fixed with a second limiting ring;
one end of the circular steel tube is inserted into the first end portion sleeve and then fixed on the first end plate, and the other end of the circular steel tube sequentially penetrates through the restraint rings and then is fixed on the first end plate after being inserted into the second end portion sleeve.
The steel bar connecting structure comprises a first connecting ring plate, a second connecting ring plate, a plurality of steel bars and a plurality of binding rings, wherein one end of each steel bar is sleeved with a first steel bar sleeve head, and the other end of each steel bar penetrates through the first connecting ring plate, each binding ring and the second connecting ring plate in sequence and is sleeved with a second steel bar sleeve head;
the restraint ring is connected with the reinforcing steel bars through welding seams.
All the reinforcing steel bars are uniformly distributed along the circumferential direction.
The steel bars are thread steel bars or prestressed steel bars.
The central position of each restraining ring is provided with a central through hole for the round steel pipe to pass through.
And a gap is reserved between the central through hole and the outer wall of the circular steel tube.
The confinement rings are parallel and equally spaced.
The invention has the following beneficial effects:
when the reinforcing steel bar constraint circular steel tube component with the slidable end sleeve is in specific operation, the first limiting ring is fixedly sleeved on the outer wall of the first end sleeve, the second limiting ring is fixedly sleeved on the outer wall of the second end sleeve, one end of the circular steel tube is inserted into the first end sleeve and then fixed on the first end plate, the other end of the circular steel tube sequentially penetrates through the constraint rings and then is fixed on the second end plate after being inserted into the second end sleeve, and the circular steel tube is constrained through the combination of the constraint rings 3 and the reinforcing steel bars 2, so that the stable bearing capacity of the circular steel tube is improved.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a connection diagram of the first stop collar 41 and the first end sleeve 71 of the present invention;
fig. 4 is a load displacement curve diagram of the end sleeve slidable steel bar restrained circular steel tube 1.
Wherein, 1 is the circular steel tube, 2 is the reinforcing bar, 3 is the retaining ring, 41 is first spacing ring, 42 is the second spacing ring, 51 is first connecting ring board, 52 is the second connecting ring board, 61 is first reinforcing bar pullover, 62 is the second reinforcing bar pullover, 71 is first end sleeve pipe, 72 is the second end sleeve pipe, 8 is the welding seam, 91 is first end plate, 92 is the second end plate.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1 to 4, the steel bar-constrained circular steel tube component with a slidable end sleeve according to the present invention includes a circular steel tube 1, a steel bar 2, a constraining ring 3, a first limiting ring 41, a second limiting ring 42, a first connecting ring plate 51, a second connecting ring plate 52, a first steel bar sleeve head 61, a second steel bar sleeve head 62, a first end sleeve 71, a second end sleeve 72, a weld seam 8, a first end plate 91, and a second end plate 92;
the first end plate 91, the first connecting ring plate 51, the restraint rings 3, the second connecting ring plate 52 and the second end plate 92 are sequentially distributed, one end of the first end sleeve 71 is welded and fixed on the first end plate 91, the other end of the first end sleeve 71 penetrates through the first connecting ring plate 51 and then is fixed with the first limiting ring 41, and the first limiting ring 41 is fixedly sleeved on the outer wall of the first end sleeve 71; one end of the second end sleeve 72 is welded and fixed on the second end plate 92, and the other end of the second end sleeve 72 passes through the second connection ring plate 52 and is fixed with the second limit ring 42, wherein the second limit ring 42 is sleeved and fixed on the outer wall of the second end sleeve 72;
one end of a circular steel tube 1 is inserted into the first end sleeve 71 and then welded on the first end plate 91, the other end of the circular steel tube 1 sequentially penetrates through each constraint ring 3, is inserted into the second end sleeve 72 and then is welded on the second end plate 92, one end of each steel bar 2 is sleeved with a first steel bar sleeve head 61, and the other end of each steel bar 2 sequentially penetrates through the first connecting ring plate 51, each constraint ring 3 and the second connecting ring plate 52 and then is sleeved with a second steel bar sleeve head 62; wherein, be connected through welding seam 8 between restraint ring 3 and the reinforcing bar 2, and each reinforcing bar 2 is along circumference evenly distributed, reinforcing bar 2 is twisted steel or prestressing steel.
The central position department of each restraint ring 3 is provided with the central through-hole that is used for supplying circular steel tube 1 to pass, just gapped between central through-hole and the outer wall of circular steel tube 1.
The restraint rings 3 are distributed in parallel and at equal intervals, the number of the restraint rings 3 can be three, and the number of the reinforcing steel bars 2 can be four.
It should be noted that, when the end casing slidable threaded steel bar constraining circular steel tube and the prestressed steel bar constraining circular steel tube are respectively improved by 10.0% and 94.1% and corresponding displacements are respectively improved by 5.1 times and 7.3 times by constraining the circular steel tube 1 through the constraining ring 3 and the steel bar 2, relative to the circular steel tube 1.
Claims (8)
1. A steel bar constraint circular steel tube component with a slidable end sleeve is characterized by comprising a first end sleeve (71), a second end sleeve (72), a circular steel tube (1), a first end plate (91), a first connecting ring plate (51), a second end plate (92), a second connecting ring plate (52) and a plurality of constraint rings (3);
the first end plate (91), the first connecting ring plate (51), the restraint rings (3), the second connecting ring plate (52) and the second end plate (92) are sequentially distributed, one end of the first end sleeve (71) is welded and fixed on the first end plate (91), the other end of the first end sleeve (71) penetrates through the first connecting ring plate (51) and then is fixed with the first limiting ring (41), and the first limiting ring (41) is fixedly sleeved on the outer wall of the first end sleeve (71); one end of the second end sleeve (72) is welded and fixed on the second end plate (92), the other end of the second end sleeve (72) penetrates through the second connecting ring plate (52) and then is fixed with a second limiting ring (42), and the second limiting ring (42) is sleeved and fixed on the outer wall of the second end sleeve (72);
one end of the circular steel tube (1) is inserted into the first end sleeve (71) and then fixed on the first end plate (91), and the other end of the circular steel tube (1) sequentially penetrates through the restraint rings (3) and then is inserted into the second end sleeve (72) and then fixed on the second end plate (91).
2. The end-sleeve slidable rebar-constrained circular steel tube component of claim 1, further comprising a plurality of rebars (2), wherein one end of each rebar (2) is sleeved with a first rebar socket (61), and the other end of each rebar (2) is sleeved with a second rebar socket (62) after sequentially passing through the first connecting ring plate (51), each constraining ring (3) and the second connecting ring plate (52).
3. A steel reinforced restricted circular tubular member with slidable end sleeves according to claim 2 characterised in that the restricting ring (3) is connected to the steel reinforcement (2) by a weld (8).
4. A steel-reinforced constrained circular steel tubular member with a slidable end sleeve according to claim 2, wherein the steel reinforcements (2) are uniformly distributed in the circumferential direction.
5. A steel-reinforced restraining circular steel tube member with a slidable end sleeve according to claim 2, characterized in that the steel reinforcement (2) is a thread steel or a prestressed steel.
6. A steel reinforced restraining tubular member with slidable end sleeves according to claim 1, wherein each restraining ring (3) is provided with a central through hole at its central position for passing round steel tube (1).
7. A steel reinforced restraining circular steel tube member with an end sleeve slidable according to claim 6, characterized in that there is a gap between the central through hole and the outer wall of the circular steel tube (1).
8. A steel reinforced constrained circular tubular member with slidable end sleeves according to claim 1, wherein the constraining rings (3) are parallel and equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753465.9A CN114960948B (en) | 2022-06-29 | 2022-06-29 | Steel bar constraint round steel pipe component with slidable end sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753465.9A CN114960948B (en) | 2022-06-29 | 2022-06-29 | Steel bar constraint round steel pipe component with slidable end sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114960948A true CN114960948A (en) | 2022-08-30 |
| CN114960948B CN114960948B (en) | 2024-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210753465.9A Active CN114960948B (en) | 2022-06-29 | 2022-06-29 | Steel bar constraint round steel pipe component with slidable end sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114960948B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009197419A (en) * | 2008-02-19 | 2009-09-03 | D B S:Kk | Restraining reinforcing bar |
| CN103967154A (en) * | 2014-04-12 | 2014-08-06 | 北京工业大学 | Cross-shaped angle steel assembling type steel structure self-resetting-prestress buckling-resisting support |
| KR101762206B1 (en) * | 2016-10-18 | 2017-07-27 | 주식회사 케이에스테크 | Structure for reinforcing member of space frame and pipe truss |
| CN108331258A (en) * | 2018-02-27 | 2018-07-27 | 青岛理工大学 | Assembled double-energy-consumption resettable circular steel tube concrete combined column and mounting method thereof |
| CN110805205A (en) * | 2019-10-15 | 2020-02-18 | 招商局重庆交通科研设计院有限公司 | Concrete structure plasticity hinge area is indulged muscle buckling restrained device |
| CN210460134U (en) * | 2019-07-18 | 2020-05-05 | 华侨大学 | Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs |
-
2022
- 2022-06-29 CN CN202210753465.9A patent/CN114960948B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009197419A (en) * | 2008-02-19 | 2009-09-03 | D B S:Kk | Restraining reinforcing bar |
| CN103967154A (en) * | 2014-04-12 | 2014-08-06 | 北京工业大学 | Cross-shaped angle steel assembling type steel structure self-resetting-prestress buckling-resisting support |
| KR101762206B1 (en) * | 2016-10-18 | 2017-07-27 | 주식회사 케이에스테크 | Structure for reinforcing member of space frame and pipe truss |
| CN108331258A (en) * | 2018-02-27 | 2018-07-27 | 青岛理工大学 | Assembled double-energy-consumption resettable circular steel tube concrete combined column and mounting method thereof |
| CN210460134U (en) * | 2019-07-18 | 2020-05-05 | 华侨大学 | Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs |
| CN110805205A (en) * | 2019-10-15 | 2020-02-18 | 招商局重庆交通科研设计院有限公司 | Concrete structure plasticity hinge area is indulged muscle buckling restrained device |
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| Publication number | Publication date |
|---|---|
| CN114960948B (en) | 2024-08-09 |
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