CN111945892B - A vertical vibration isolation/vibration bearing - Google Patents
A vertical vibration isolation/vibration bearing Download PDFInfo
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- CN111945892B CN111945892B CN202010479781.2A CN202010479781A CN111945892B CN 111945892 B CN111945892 B CN 111945892B CN 202010479781 A CN202010479781 A CN 202010479781A CN 111945892 B CN111945892 B CN 111945892B
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- 238000002955 isolation Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 147
- 239000010959 steel Substances 0.000 claims abstract description 147
- 230000035939 shock Effects 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
- E01D2101/34—Metal non-ferrous, e.g. aluminium
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
本发明公开了一种竖向隔震/振支座，包括四个钢筒；第一钢筒通过下锚杆与下部基础连接，内部下方固定有下挡板，且下挡板开设有第一通孔；第二钢筒顶沿固定有顶板且底端开设有第二通孔，顶板通过上锚杆与上部结构连接；第二钢筒通过减震层与第一钢筒连接；第二钢筒和下挡板之间连接有多组第一碟型弹簧组；第三钢筒底端与第一钢筒内底壁固定，并穿过第一通孔和第二通孔，且顶沿固定有上挡板；上挡板和第二钢筒之间连接有多组第二碟型弹簧组；第四钢筒穿过第一通孔且套设在第三钢筒外部；第四钢筒的顶沿与第二钢筒的外底壁固定连接，底部开设用于第三钢筒穿过的第三通孔。本发明能够有效应用于各种用于隔震/振的结构中，起到良好的隔震/振效果。
The invention discloses a vertical vibration isolation/vibration support, comprising four steel cylinders; a first steel cylinder is connected with a lower foundation through a lower anchor rod, a lower baffle is fixed at the bottom inside, and the lower baffle is provided with a first through holes; the top edge of the second steel cylinder is fixed with a top plate and the bottom end is provided with a second through hole, the top plate is connected with the upper structure through the upper anchor rod; the second steel cylinder is connected with the first steel cylinder through the shock absorption layer; the second steel cylinder A plurality of groups of first disc spring groups are connected between the cylinder and the lower baffle; the bottom end of the third steel cylinder is fixed with the inner bottom wall of the first steel cylinder, and passes through the first through hole and the second through hole, and the top edge an upper baffle is fixed; a plurality of groups of second disc spring groups are connected between the upper baffle and the second steel cylinder; the fourth steel cylinder passes through the first through hole and is sleeved outside the third steel cylinder; the fourth steel cylinder The top edge of the cylinder is fixedly connected with the outer bottom wall of the second steel cylinder, and the bottom is provided with a third through hole for the third steel cylinder to pass through. The present invention can be effectively applied to various structures for vibration isolation/vibration, and has a good vibration isolation/vibration effect.
Description
Technical Field
The invention relates to the technical field of energy dissipation and shock absorption, in particular to a vertical shock insulation or vibration isolation support.
Background
The traditional anti-seismic structure continuously enhances the rigidity and the strength of the structure, but simultaneously indirectly increases the seismic reaction of the structure, and is an uneconomical anti-seismic design method. In the building engineering, the application of the shock insulation support can economically and effectively weaken the damage of the earthquake to the building structure. The shock insulation support applied to the building at present uses horizontal shock insulation support as the main, but vertical shock insulation should also consider, mainly includes following aspect:
firstly, in the earthquake motion component, besides the horizontal component, a vertical vibration component is also provided;
secondly, the vertical earthquake action is considered in the horizontal long cantilever member, the large-span structure and the overhanging part of the upper storey of the structure in the high-intensity area which are specified in the specification;
and thirdly, if vibration is caused in the structure due to equipment operation, vertical shock insulation needs to be considered.
However, the performance of the existing vertical shock insulation support needs to be improved, and the structural form, the manufacturing difficulty and the durability of the support are insufficient.
Therefore, the research and development of a vertical shock insulation or vibration isolation support which has extremely strong shock absorption and shock insulation performance and also has excellent self-resetting performance and energy consumption capability is a problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides a vertical vibration isolation/vibration support, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vertical seismic isolation/vibration support comprising: the first steel cylinder, the second steel cylinder, the third steel cylinder and the fourth steel cylinder;
the top end of the first steel cylinder is open and the bottom end of the first steel cylinder is closed; the bottom end of the first steel cylinder is connected with a lower foundation through a plurality of lower anchor rods; a horizontal lower baffle is fixed at the lower part inside the first steel cylinder, and a first through hole is formed in the lower baffle;
a top plate is fixed on the top edge of the second steel cylinder, a second through hole is formed in the bottom end of the second steel cylinder, and the top surface of the top plate is connected with the upper structure through a plurality of upper anchor rods; the second steel cylinder is positioned above the inside of the first steel cylinder, and the outer side wall of the second steel cylinder is connected with the inner side wall of the first steel cylinder through a damping layer; the top plate and the top edge of the first steel cylinder are provided with a gap in the vertical direction; a plurality of groups of first disc-shaped spring groups are connected between the bottom wall of the second steel cylinder and the lower baffle;
the bottom end of the third steel cylinder is fixed with the inner bottom wall of the first steel cylinder, and sequentially penetrates through the first through hole and the second through hole upwards, and an upper baffle is fixed on the top edge; a plurality of groups of second disc spring groups are connected between the upper baffle plate and the inner bottom wall of the second steel cylinder;
the fourth steel cylinder penetrates through the first through hole and is sleeved outside the third steel cylinder at intervals; the top edge of the fourth steel cylinder is fixedly connected with the outer bottom wall of the second steel cylinder, and a third through hole for the third steel cylinder to pass through is formed in the bottom of the fourth steel cylinder.
Through the technical scheme, the support provided by the invention can be effectively applied to various structures for shock insulation/vibration, when the support is applied to buildings and bridges, when an earthquake occurs, the first steel cylinder and the third steel cylinder generate vertical displacement, the first disc-shaped spring group is pressed, the second disc-shaped spring group is pulled, and the shock absorption layer dissipates earthquake energy, so that the force transmitted to the second steel cylinder and the fourth steel cylinder is greatly reduced, and the influence of the earthquake belt on the upper structure is reduced; when this support is applied to mechanical equipment's the isolation during, vertical displacement takes place for second steel cylinder and fourth steel cylinder, and second belleville spring group pressurized, first belleville spring group is drawn, and the shock-absorbing layer dissipates the vibration energy, makes the power that passes to first steel cylinder and third steel cylinder significantly reduce to alleviate mechanical vibration and bring the influence for substructure.
Preferably, in the vertical shock insulation/vibration support, the first steel cylinder is a cylinder or a cuboid; the second steel cylinder, the third steel cylinder and the fourth steel cylinder are all cylinders. Can satisfy the use demand to and the connection demand between each steel cylinder.
Preferably, in the above vertical vibration isolation/vibration support, the first through hole and the second through hole are both circular holes. Can meet the connection requirement among all steel cylinders.
Preferably, in the above vertical shock insulation/vibration support, the upper baffle is located inside the second steel cylinder and fixed to the top of the third steel cylinder. The stability of the connection structure can be improved.
Preferably, in the above vertical shock isolation/vibration support, a first supporting plate group is fixed between the bottom surface of the lower baffle and the inner side wall of the first steel cylinder. When the stress generates large deformation, the structural rigidity of the support plate can be ensured through the first support plate group.
Preferably, in the above vertical vibration isolation/vibration support, a second supporting plate group is fixed between the inner side wall of the second steel cylinder and the bottom of the top plate and between the inner side wall and the inner bottom wall. When the stress is greatly deformed, the structural rigidity of the support plate can be ensured by the second support plate group.
Preferably, in the above vertical vibration isolation/vibration support, a plurality of stiffening ribs crossing horizontally and vertically are fixed on the top surface of the upper baffle. When the large deformation occurs due to stress, the structural rigidity can be ensured by the stiffening ribs arranged transversely and vertically.
Preferably, in the above vertical vibration isolation/vibration support, the damping layer is a high damping viscoelastic layer, or an annular damper, or a lead core damper. Can satisfy the shock attenuation demand.
Preferably, in the vertical vibration isolating/damping support, the first disc-shaped spring group is uniformly arranged around the outer side of the fourth steel cylinder. The stabilizing effect is better when the device is stressed and stretched.
Preferably, in the vertical shock insulation/vibration support, the second disc spring groups are uniformly arranged around the outer side of the third steel cylinder. The stabilizing effect is better when the device is stressed and stretched.
According to the technical scheme, compared with the prior art, the invention discloses the vertical shock insulation/vibration support which has the following beneficial effects:
1. the support provided by the invention can be effectively applied to various structures for shock insulation/vibration, when the support is applied to buildings and bridges, when an earthquake occurs, the first steel cylinder and the third steel cylinder generate vertical displacement, the first disc-shaped spring group is pressed, the second disc-shaped spring group is pulled, and the shock absorption layer dissipates earthquake energy, so that the force transmitted to the second steel cylinder and the fourth steel cylinder is greatly reduced, and the influence of an earthquake belt on an upper structure is reduced; when this support is applied to mechanical equipment's the isolation during, vertical displacement takes place for second steel cylinder and fourth steel cylinder, and second belleville spring group pressurized, first belleville spring group is drawn, and the shock-absorbing layer dissipates the vibration energy, makes the power that passes to first steel cylinder and third steel cylinder significantly reduce to alleviate mechanical vibration and bring the influence for substructure.
2. The self-resetting capability is provided by the disc spring set, and the self-resetting capability is strong.
3. The invention utilizes the damping layer to dissipate earthquake energy during strong earthquake, can obviously improve the earthquake resistance of the structure, and has high ductility and strong energy consumption capability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a vertical seismic isolation/vibration support provided by the present invention;
FIG. 2 is a top view of a vertical seismic isolation/vibration support according to the present invention.
Wherein:
1-a first steel cylinder;
11-a lower baffle;
111-a first via;
12-a first set of buttress plates;
2-a second steel cylinder;
21-a top plate;
22-a second via;
23-a second set of buttress plates;
3-a third steel cylinder;
31-an upper baffle;
311-a stiffener;
4-a fourth steel cylinder;
41-third through hole;
5, setting an anchor rod;
6-installing an anchor rod;
7-a shock-absorbing layer;
8-a first disc spring set;
9-second disc spring set.
Detailed Description
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, and not all of the embodiments. 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.
Referring to the attached drawings 1 and 2, the embodiment of the invention discloses a vertical shock isolation/vibration support, which comprises: a first steel cylinder 1, a second steel cylinder 2, a third steel cylinder 3 and a fourth steel cylinder 4;
the top end of the first steel cylinder 1 is open and the bottom end is closed; the bottom end of the first steel cylinder 1 is connected with a lower foundation through a plurality of lower anchor rods 5; a horizontal lower baffle plate 11 is fixed at the lower part inside the first steel cylinder 1, and the lower baffle plate 11 is provided with a first through hole 111;
a top plate 21 is fixed on the top edge of the second steel cylinder 2, a second through hole 22 is formed in the bottom end of the second steel cylinder, and the top surface of the top plate 21 is connected with the upper structure through a plurality of upper anchor rods 6; the second steel cylinder 2 is positioned above the inner part of the first steel cylinder 1, and the outer side wall of the second steel cylinder is connected with the inner side wall of the first steel cylinder 1 through a damping layer 7; the top plate 21 has a vertical gap with the top edge of the first steel cylinder 1; a plurality of groups of first disc-shaped spring groups 8 are connected between the bottom wall of the second steel cylinder 2 and the lower baffle 11;
the bottom end of the third steel cylinder 3 is fixed with the bottom wall of the first steel cylinder 1, and sequentially passes through the first through hole 111 and the second through hole 22 upwards, and an upper baffle plate 31 is fixed on the top edge; a plurality of groups of second disc spring groups 9 are connected between the upper baffle plate 31 and the inner bottom wall of the second steel cylinder 2;
the fourth steel cylinder 4 penetrates through the first through hole 111 and is sleeved outside the third steel cylinder 3 at intervals; the top edge of the fourth steel cylinder 4 is fixedly connected with the outer bottom wall of the second steel cylinder 2, and the bottom of the fourth steel cylinder is provided with a third through hole 41 for the third steel cylinder 3 to pass through.
In order to further optimize the technical scheme, the first steel cylinder 1 is a cylinder or a cuboid; the second steel cylinder 2, the third steel cylinder 3 and the fourth steel cylinder 4 are all cylinders.
In order to further optimize the above technical solution, the first through hole 111 and the second through hole 22 are both circular holes.
In order to further optimize the above technical solution, the upper baffle 31 is located inside the second steel cylinder 2 and fixed on top of the third steel cylinder 3.
In order to further optimize the technical scheme, a first supporting plate group 12 is fixed between the bottom surface of the lower baffle plate 11 and the inner side wall of the first steel cylinder 1.
In order to further optimize the above technical solution, a second supporting plate group 23 is fixed between the inner side wall of the second steel cylinder 2 and the bottom of the top plate 21, and between the inner side wall and the inner bottom wall.
In order to further optimize the above technical solution, a plurality of stiffening ribs 311 are fixed on the top surface of the upper baffle 31.
In order to further optimize the technical scheme, the damping layer 7 is a high damping viscoelastic layer, or an annular damper, or a lead core damper.
In order to further optimize the above technical solution, the first disc spring set 8 is uniformly arranged around the outside of the fourth steel cylinder 4.
In order to further optimize the above technical solution, the second disc spring set 9 is uniformly arranged around the outside of the third steel cylinder 3.
The application principle of the invention is as follows:
when the support is applied to buildings and bridges:
when an earthquake comes, the first steel cylinder 1 and the third steel cylinder 3 are vertically displaced, the first disc-shaped spring group 8 is pressed, the second disc-shaped spring group 9 is pulled, and the shock absorption layer 7 dissipates earthquake energy, so that the force transmitted to the second steel cylinder 2 and the fourth steel cylinder 4 is greatly reduced, and the influence of an earthquake zone on an upper structure is reduced.
When the support is applied to the vibration isolation structure of mechanical equipment:
vertical displacement takes place for second steel cylinder 2 and fourth steel cylinder 4, and second belleville spring group 9 is compressed, and first belleville spring group 8 is drawn, and shock-absorbing layer 7 dissipates the vibration energy, makes the power that reaches first steel cylinder 1 and third steel cylinder 3 significantly reduce to alleviate the influence that mechanical vibration area gave the substructure.
The invention has the characteristics of self-reset, strong lateral force resistance and energy consumption capability and the like, has clear concept, convenient construction and reasonable manufacturing cost, and can be widely applied to high-rise and super high-rise building structures.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479781.2A CN111945892B (en) | 2020-05-30 | 2020-05-30 | A vertical vibration isolation/vibration bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479781.2A CN111945892B (en) | 2020-05-30 | 2020-05-30 | A vertical vibration isolation/vibration bearing |
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| Publication Number | Publication Date |
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| CN111945892A CN111945892A (en) | 2020-11-17 |
| CN111945892B true CN111945892B (en) | 2021-08-13 |
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| CN202010479781.2A Active CN111945892B (en) | 2020-05-30 | 2020-05-30 | A vertical vibration isolation/vibration bearing |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3324251B2 (en) * | 1993-12-20 | 2002-09-17 | 日本原子力研究所 | Seismic isolation device |
| CN101769015B (en) * | 2009-12-16 | 2011-04-27 | 湖南大学 | Tensile Mechanism of Laminated Rubber Seismic Isolation Bearing |
| CN102261037B (en) * | 2011-05-06 | 2012-11-28 | 新津腾中筑路机械有限公司 | Vertical elastic tension compression support |
| CN103195168B (en) * | 2013-03-26 | 2015-02-11 | 东南大学 | Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring |
| CN205242632U (en) * | 2015-12-11 | 2016-05-18 | 西安达盛隔震技术有限公司 | Vertical isolation bearing of frictional damping |
| CN106012819B (en) * | 2016-07-15 | 2017-07-14 | 沈阳工业大学 | A kind of lead-rubber butterfly spring group Combined-type shock-absorption bearing |
| CN106436917B (en) * | 2016-10-17 | 2020-11-13 | 安徽信泽科技有限公司 | Three-dimensional shock insulation support capable of adjusting vertical early rigidity |
| CN108842923A (en) * | 2018-07-23 | 2018-11-20 | 佛山科学技术学院 | A kind of three-dimensional arrangement vibration isolator rubber bearing |
| CN109667356B (en) * | 2018-12-26 | 2020-10-13 | 深圳防灾减灾技术研究院 | Spring friction shock insulation support |
| CN110468695B (en) * | 2019-08-27 | 2021-05-28 | 天津大学 | Variable stiffness three-dimensional seismic isolation method and device |
| CN110644643A (en) * | 2019-10-09 | 2020-01-03 | 广州大学 | Torsion damping shock absorption device |
| CN111042368A (en) * | 2019-12-05 | 2020-04-21 | 同济大学 | Linear guide rail-bearing type motion decoupling three-dimensional vibration isolation support |
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2020
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