CN109653583B - Lead core corrugated steel pipe restraint rubber support - Google Patents
Lead core corrugated steel pipe restraint rubber support Download PDFInfo
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- CN109653583B CN109653583B CN201811337716.5A CN201811337716A CN109653583B CN 109653583 B CN109653583 B CN 109653583B CN 201811337716 A CN201811337716 A CN 201811337716A CN 109653583 B CN109653583 B CN 109653583B
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- Prior art keywords
- steel pipe
- corrugated steel
- lead core
- layer corrugated
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 151
- 239000010959 steel Substances 0.000 title claims abstract description 151
- 239000010410 layer Substances 0.000 claims abstract description 66
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial 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
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- 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
- E04B1/36—Bearings or like supports allowing movement
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a lead core corrugated steel pipe restraint rubber support, includes connecting steel plate, goes up the connecting steel plate down and link up the lead core of locating the two center the lower connecting steel plate and last connecting steel plate between still coaxial inner layer corrugated steel pipe and the outer corrugated steel pipe of being equipped with, the lead core is arranged in the cavity of inner layer corrugated steel pipe simultaneously, still packs between outer corrugated steel pipe and the inner layer corrugated steel pipe and has the rubber interlayer. The invention can provide circumferential restraint and protection for rubber, improve the durability of the rubber, ensure the stable exertion of the energy consumption capacity of the lead core by the restraint effect of the steel pipe and the rubber on the lead core, has simple integral structure and convenient construction, and has better vertical bearing characteristic, horizontal deformation capacity and shock resistance and energy consumption capacity.
Description
Technical Field
The invention relates to a shock insulation support used in constructional engineering, in particular to a lead core corrugated steel pipe constraint rubber support which can be used for shock insulation design of buildings in a shock-proof fortification area, and belongs to the technical field of constructional engineering.
Background
China is a country with frequent earthquakes, and the most widely applied structural earthquake-resistant means at the present stage is to resist the estimated earthquake action through the earthquake-resistant performance of the structure. Under the action of intense earthquakes, however, irreparable damage to the structure can occur and cause significant economic loss or casualties. The seismic isolation system absorbs and dissipates seismic capacity by arranging the seismic isolation system between the foundation and the upper structure, reduces the seismic effect input into the upper structure, and can effectively resist seismic disasters.
At present, the most commonly used lead core rubber support is composed of an upper connecting steel plate, a lower connecting steel plate and rubber sheets stacked between the connecting steel plates, a lead core is filled in the centers of the connecting steel plates and the rubber sheets, and steel sheets are inserted into the multiple layers of the rubber sheets in a clamping mode. However, since the rubber is in direct contact with the external environment, the problem of durability is easily caused, and the surrounding rubber has a limited effect of restraining the central lead core, so that the energy consumption capability of the lead core cannot be stably exerted.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the lead core corrugated steel pipe constraint rubber support which can improve the durability, the longitudinal rigidity and the deformability of rubber and can also improve the shock resistance and the energy consumption resistance of a lead core.
The technical scheme adopted by the invention for solving the technical problems is as follows: the lead core is arranged in a cavity of the inner-layer corrugated steel pipe simultaneously, and a rubber interlayer is filled between the outer-layer corrugated steel pipe and the inner-layer corrugated steel pipe.
Compared with the prior art, the lead core corrugated steel pipe constraint rubber support has the following beneficial effects:
1. the inner-layer corrugated steel pipe and the outer-layer corrugated steel pipe are positioned through the lower connecting steel plate at the lower part, so that the design thickness of the rubber interlayer between the inner-layer corrugated steel pipe and the outer-layer corrugated steel pipe can be ensured;
2. the corrugations of the inner-layer corrugated steel pipe and the outer-layer corrugated steel pipe are mutually meshed with the rubber interlayer, so that effective restraint on the rubber interlayer is ensured; further, effective constraint can be provided for the built-in lead core, and the shock resistance and energy consumption capacity of the lead core are improved;
3. the inner-layer corrugated steel pipe, the outer-layer corrugated steel pipe and the built-in lead core can provide circumferential restraint or support for the rubber interlayer, so that the longitudinal rigidity and the deformability of rubber are improved; meanwhile, the horizontal shock insulation characteristic and the resetting characteristic of the support can be effectively ensured by adjusting the sections of the inner-layer corrugated steel pipe and the outer-layer corrugated steel pipe and the thickness of the rubber interlayer;
4. the invention has simple integral structure, convenient construction, and better vertical bearing characteristic, horizontal deformation capability and seismic resistance and energy consumption capability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a full sectional view of one embodiment of the present invention.
Fig. 2 is a full sectional view of another embodiment of the present invention.
Fig. 3 is a cross-sectional view at a-a in fig. 1 and 2.
In the figure: 1. the steel pipe comprises a lower connecting steel plate, 2, an outer-layer corrugated steel pipe, 3, a rubber interlayer, 4, an inner-layer corrugated steel pipe, 5, a lead core, 6, an upper connecting steel plate and 7, and welding seams.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
Example 1:
the present embodiment will be described in detail with reference to fig. 1 and 3. The lead core corrugated steel pipe restraint rubber support in the embodiment is arranged between a house foundation, a house bottom or a house lower structure and a house upper structure and comprises a lower connecting steel plate 1, an outer layer corrugated steel pipe 2, a rubber interlayer 3, an inner layer corrugated steel pipe 4, a lead core 5 and an upper connecting steel plate 6. The lower connecting steel plate 1 is used for connecting the support of the invention with a structure foundation, a bottom or a lower structure, the inner layer corrugated steel pipe 4 is coaxially arranged in the outer layer corrugated steel pipe 2, the upper end of the inner layer corrugated steel pipe 4 is cylindrical and is inserted in a central hole of the upper connecting steel plate 6, the lower end of the inner layer corrugated steel pipe 4 and the upper end and the lower end of the outer layer corrugated steel pipe 2 are respectively connected with the inner surfaces of the lower connecting steel plate 1 and the upper connecting steel plate 6 by adopting a welding seam 7, the rubber interlayer 3 is filled between the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4, the lead core 5 is arranged in a cavity of the inner layer corrugated steel pipe 4, and the upper connecting steel plate 6.
In the present embodiment, the strength grade of the steel material used for the lower steel connecting plate 1, the upper steel connecting plate 6, the outer corrugated steel pipe 2, and the inner corrugated steel pipe 4 may be Q235, Q345, Q390, Q420, or Q460. The outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 adopt flat threaded pipes or spiral corrugated pipes, and the meshing of the steel pipes and the filling rubber can be guaranteed through the threads or the corrugated shapes of the flat threaded pipes or the spiral corrugated pipes, so that the restraint effect on the interlayer rubber 3 during later-stage stress is guaranteed. The rubber interlayer 3 can be provided with no interlayer steel plate or an interlayer steel plate, and when the interlayer steel plate is arranged, a gap is reserved between the interlayer steel plate and the inner corrugated steel pipe and the outer corrugated steel pipe. Lead 5 of packing in the inlayer corrugated steel pipe 4 can provide the support for inlayer corrugated steel pipe 4 to avoid because inlayer corrugated steel pipe 4 warp the bearing capacity that leads to the isolation bearing and reduce, lead 5 can pour. Preferably, the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 are integral pipes, so that defects possibly generated due to the segmented connection can be avoided. The further optimization design of this implementation is, outer corrugated steel pipe 2 and inlayer corrugated steel pipe 4 are galvanized corrugated steel pipe, can effectively avoid adverse circumstances to the corruption of steel pipe in the isolation bearing to effectively prevent rubber intermediate layer 3's ageing, ensure that isolation bearing's durability meets the demands.
The manufacturing process of this example is as follows:
after the inner layer corrugated steel pipe 4, the outer layer corrugated steel pipe 2, the upper connecting steel plate 1 and the lower connecting steel plate 6 are lofted according to the design size, the inner layer corrugated steel pipe 4 and the outer layer corrugated steel pipe 2 are coaxially positioned at the central position of the lower connecting steel plate 1 and are connected with the lower connecting steel plate 1 through a welding seam 7, then a lead core 5 is poured into the inner layer corrugated steel pipe 4, rubber is added between the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 to form a rubber interlayer 3, and then the outer layer corrugated steel pipe 2 and the upper connecting steel plate 6 are connected through the welding seam 7 to form the lead core corrugated steel pipe restraining rubber support in the embodiment 1 of the invention.
Example 2:
referring to fig. 2 and 3, this embodiment is different from embodiment 1 only in that the upper and lower ends of the inner corrugated steel pipe 4 and the upper and lower ends of the outer corrugated steel pipe 2 are positioned by spot welding with the inner surfaces of the lower and upper tie steel plates 1 and 6, respectively.
The manufacturing process is characterized in that: after the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 are coaxially positioned at the central position of the lower connecting steel plate 1, the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 are positioned by spot welding with the lower connecting steel plate 1, then a lead core 5 is poured into the inner layer corrugated steel pipe 4, then rubber is added between the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4, and then the outer layer corrugated steel pipe 2 and the inner layer corrugated steel pipe 4 are all spot-welded with the upper connecting steel plate 6.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a lead core corrugated steel pipe restraint rubber support, includes connecting plate (1) down, goes up connecting plate (6) and link up lead core (5) of locating the two centers, characterized by: an inner corrugated steel pipe (4) and an outer corrugated steel pipe (2) are coaxially arranged between the lower connecting steel plate (1) and the upper connecting steel plate (6), a lead core (5) is simultaneously arranged in a cavity of the inner corrugated steel pipe (4), and a rubber interlayer (3) is filled between the outer corrugated steel pipe (2) and the inner corrugated steel pipe (4); the upper end of the inner layer corrugated steel pipe (4) is cylindrical and is inserted into a central hole of the upper connecting steel plate (6), and the lower end of the inner layer corrugated steel pipe (4) and the upper and lower ends of the outer layer corrugated steel pipe (2) are respectively connected with the inner surfaces of the lower connecting steel plate (1) and the upper connecting steel plate (6) through welding seams (7).
2. The lead core corrugated steel pipe restraining rubber support as set forth in claim 1, wherein: the upper end and the lower end of the inner-layer corrugated steel pipe (4) and the upper end and the lower end of the outer-layer corrugated steel pipe (2) are respectively positioned with the inner surfaces of the lower connecting steel plate (1) and the upper connecting steel plate (6) by spot welding.
3. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: the inner layer corrugated steel pipe (4) and the outer layer corrugated steel pipe (2) are both flat threaded pipes or spiral corrugated pipes.
4. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: the inner layer corrugated steel pipe (4) and the outer layer corrugated steel pipe (2) are both whole pipes.
5. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: the inner-layer corrugated steel pipe (4) and the outer-layer corrugated steel pipe (2) are both galvanized corrugated pipes.
6. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: an interlayer steel plate is further arranged in the rubber interlayer (3), and gaps are reserved among the interlayer steel plate, the inner-layer corrugated steel pipe (4) and the outer-layer corrugated steel pipe (2).
7. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: and the lead core (5) in the cavity of the inner-layer corrugated steel pipe (4) is formed by adopting a pouring mode.
8. The lead core corrugated steel pipe restraining rubber support as defined in claim 1 or 2, wherein: the strength grades of steel used by the lower connecting steel plate (1), the upper connecting steel plate (6), the outer layer corrugated steel pipe (2) and the inner layer corrugated steel pipe (4) are Q235, Q345, Q390, Q420 or Q460.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337716.5A CN109653583B (en) | 2018-11-12 | 2018-11-12 | Lead core corrugated steel pipe restraint rubber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337716.5A CN109653583B (en) | 2018-11-12 | 2018-11-12 | Lead core corrugated steel pipe restraint rubber support |
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| Publication Number | Publication Date |
|---|---|
| CN109653583A CN109653583A (en) | 2019-04-19 |
| CN109653583B true CN109653583B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811337716.5A Active CN109653583B (en) | 2018-11-12 | 2018-11-12 | Lead core corrugated steel pipe restraint rubber support |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945913A (en) * | 2020-07-20 | 2020-11-17 | 北京工业大学 | Multidirectional energy dissipation corrugated pipe damper |
| CN114277954B (en) * | 2022-01-21 | 2023-03-14 | 广州大学 | Three-dimensional bar-shaped constraint shock insulation and vibration reduction support and manufacturing method thereof |
| CN115928887A (en) * | 2022-12-13 | 2023-04-07 | 华侨大学 | Tire shock insulation support |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206473B (en) * | 2012-01-14 | 2018-10-23 | 赵世峰 | Improved rubber support |
| CN202989766U (en) * | 2012-10-24 | 2013-06-12 | 长安大学 | Lead core high-damping rubber seismic mitigation and absorption support seat |
| KR101407949B1 (en) * | 2013-08-29 | 2014-07-02 | 조영숙 | Apparatus for buffering smart earthquake resistant |
| CN104120651A (en) * | 2014-08-06 | 2014-10-29 | 南京工业大学 | Unidirectional lead core rubber vibration insulation support |
| CN206987090U (en) * | 2017-05-18 | 2018-02-09 | 同济大学 | High-performance mixed film friction core rubber support |
| CN107044083A (en) * | 2017-05-25 | 2017-08-15 | 哈尔滨工业大学 | A kind of double-wall corrugated steel pipe reinforced concrete hollow pier post |
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