CN108774949A - A kind of vertical vibration isolation ball shaped steel bearing with lever assembly - Google Patents
A kind of vertical vibration isolation ball shaped steel bearing with lever assembly Download PDFInfo
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- CN108774949A CN108774949A CN201810803917.3A CN201810803917A CN108774949A CN 108774949 A CN108774949 A CN 108774949A CN 201810803917 A CN201810803917 A CN 201810803917A CN 108774949 A CN108774949 A CN 108774949A
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- lever
- curved surface
- shaped steel
- ball shaped
- steel bearing
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- 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
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of vertical vibration isolation ball shaped steel bearing with lever assembly,The lower seat board and base board of ball shaped steel bearing present setting up and down,The both sides of base board are respectively equipped with block,The side of two blocks two side contacts with lower seat board respectively,The plate upper surface of base board is set there are two about the symmetrical balance pivot curved surface of ball shaped steel bearing shaft centre line,The bottom center of lower seat board set there are two about ball shaped steel bearing shaft centre line symmetrically embed curved surface,Two groups of lever assemblies are equipped in the space that lower seat board and base board surround,Two groups of lever assemblies are symmetricly set on the both sides of ball shaped steel bearing shaft centre line,Every group of lever assembly includes moving block,Lever and elastomer,Utilize lever principle,Pass through lever and elastomer,In the compression stiffness that bearing vertical rigidity is decomposed to elastomer by lever,It is appropriate to reduce bearing entirety vertical rigidity,Vertical dominant frequency of the fundamental frequency far from holder top structural vibration,To realize vertical vibration isolation function.
Description
Technical field
The present invention relates to bridge structure or technical field of buildings, specifically a kind of vertical vibration isolation ball with lever assembly
Shaped steel bearing.
Background technology
The a series of environmental problems such as noise, the vibration generated with the fast development of rail traffic, train.Bridge vibration isolation branch
Seat is that a kind of novel bridge subtracts isolation products, be mainly used for along bridge to ambient environment vibrations, noise have strict demand and
The area of limitation and urban viaduct primarily serve vibration damping, vibration isolation, Noise Reduction.Existing highway bridge vibration isolating suspension product is main
It is rubber vibration isolation, but in vertical bearing capacity, quality stability, anti-vibration performance and there are certain defects in terms of the service life.
Invention content
In order to solve the above technical problems, the present invention provides a kind of vertical vibration isolation ball shaped steel bearing with lever assembly, it is
On the basis of ball shaped steel bearing, using lever principle, by lever and elastomer, bearing vertical rigidity is decomposed by lever
Into the compression stiffness of elastomer, appropriate to reduce bearing entirety vertical rigidity, vertical fundamental frequency is far from holder top structural vibration
Dominant frequency, to realize vertical vibration isolation function.
To realize the above-mentioned technical purpose, used technical solution is：A kind of vertical vibration isolation ball-type with lever assembly
Lower seat board and the base board presentation of bridle iron, ball shaped steel bearing are setting up and down, and the both sides of base board are respectively equipped with block, two gears
The side of block two side contacts with lower seat board respectively, the plate upper surface of base board set that there are two about ball shaped steel bearing axis center
Symmetrical balance pivot curved surface, the bottom center of lower seat board set that there are two symmetrically embed about ball shaped steel bearing shaft centre line
Curved surface embeds the lower seat board bottom surface on the outside of curved surface and tilts upwards, two groups of thick sticks are equipped in the space that lower seat board and base board surround
Bar assembly, two groups of lever assemblies are symmetricly set on the both sides of ball shaped steel bearing shaft centre line, every group of lever assembly include moving block,
Lever and elastomer, the left and right sides of lever and upper and lower both sides are equipped with the gap for lever rotation, are set on the bottom surface of lever
There are curved surface fulcrum, curved surface fulcrum to match and be correspondingly arranged in balance pivot curved surface with balance pivot curved surface, curved surface fulcrum
Side is the short arm of force of lever, and the other side of curved surface fulcrum is the long arm of force of lever, and moving block is provided with above the short arm of force of lever, is turned
The bottom surface of motion block is plane and to fit with the short arm of force upper surface of lever, and the upper surface of moving block matches and right with embedded curved surface
It should be arranged in embedded curved surface, be placed with elastomer on the long arm of force of lever, make the upper surface of elastomer with the bottom surface phase of block
Contact.
Curved surface fulcrum of the present invention is equipped with antifriction layer.
The beneficial effects of the invention are as follows：
1）A kind of vertical vibration isolation ball shaped steel bearing with lever assembly provided by the invention, by normal ball shaped steel bearing
On the basis of, increase the structures such as lever, moving block, elastomer, base board.Holder top structural load passes through upper base plate, middle seat
Then plate, lower seat board, two moving blocks are applied separately on two levers, under leverage, load by inputting energetically,
Small power is output in elastomer at the long arm of force of lever, and compressive deformation occurs for elastomer, causes at lever rotation and the short arm of force i.e.
The vertical deformation of moving block and the above structure effectively reduces the whole vertical rigidity of bearing, makes the vertical fundamental frequency of bearing far from branch
The dominant frequency of seat superstructure vibration, to realize vertical vibration isolation function.
2）The curved surface fulcrum of lever of the present invention is provided with antifriction layer, and friction coefficient is small, and abrasion are low, and compression is not high, compared with
The fatigue behaviour of good guarantee vibration isolation.
3）Invention increases moving blocks, mainly for adapting to the compatibility of deformation ability of lever, the lever if hard contact
The effect of being difficult to happen causes stuck phenomenon, the vibration isolation function of bearing to will be unable to play.
4）Both sides substantially completely encase the both sides of lower seat board in the base board top of the present invention, ensure bearing in loading process
In will not run-off the straight, preferably load can be assigned on two moving blocks and lever, ensure the uniformity of structure stress.
5）If elastomer is damaged, the load action smaller than holder top structure can be applied directly on bridge and existed
On lever, more renew elastomer, nothing needs to change entire bearing.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
In figure：1, upper base plate, 2, upper flat frictional pair, 3, middle seat board, 4, spherical surface friction it is secondary, 5, lower seat board, 5-1, embedded curved surface,
6, moving block, 7, lever, 7-1 curved surface fulcrums, the short arm of force of 7-2, lever, the long arm of force of 7-3, lever, 8, base board, 8-1, block,
8-2, balance pivot curved surface, 9, elastomer.
Specific implementation mode
Ball shaped steel bearing can functionally be divided into conventional ball type bearing and hyperboloid spheroidal bearer of shock absorption and insulation（Or friction swing ball
Type vibration absorption and isolation support）.Bearing is divided into from structural shape as one-way movable type, multidirectional active type and fixed three classes.Basin type rubber
Bearing, spherical bearing and hyperboloid spheroidal bearer of shock absorption and insulation（Or friction pendulum ball-type vibration reducing obstructing support base）And other types bearing,
The lever assembly of the present invention can be increased, the structure for changing lower seat board and base board realizes vertical vibration isolation function.
A kind of vertical vibration isolation ball shaped steel bearing with lever assembly, the lower seat board 5 and base board 8 of ball shaped steel bearing are presented
Setting up and down, the both sides of base board 8 are respectively equipped with both sides of the side of block 8-1, two block 8-1 respectively with lower seat board 5 and connect
It touching, the plate upper surface of base board 8 is set there are two about the symmetrical balance pivot curved surface 8-2 of ball shaped steel bearing shaft centre line, under
The bottom center of seat board 5 sets there are two curved surface 5-1 is symmetrically embedded about ball shaped steel bearing shaft centre line, embeds curved surface 5-1 phases
Than in balance pivot curved surface 8-2, closer to ball shaped steel bearing shaft centre line, 5 bottom surface of lower seat board embedded on the outside of curved surface 5-1 is upward
It tilts, space is provided for the rotation of lever assembly, while mitigating the overall volume and weight of lower seat board 5, in lower seat board 5 and pedestal
Two groups of lever assemblies are equipped in the space that plate 8 surrounds, two groups of lever assemblies are symmetricly set on the two of ball shaped steel bearing shaft centre line
Side, when bearing integrally pushes force, two groups of lever assemblies synchronize same angular turn carrying, and every group of lever assembly includes moving block
6, lever 7 and elastomer 9, the left and right sides of lever 7 and upper and lower both sides are equipped with the gap rotated for lever 7, i.e. lever 7
It is equipped with gap between bottom surface and the upper surface of base board 8, gap, the side and bottom of lever 7 are equipped between two opposite levers 7
It is equipped with gap between the madial wall of seat board 8, gap, the bottom of lever 7 are equipped between the upper surface of lever 7 and the bottom surface of lower seat board 5
Face is equipped with curved surface fulcrum 7-1, and curved surface fulcrum 7-1 is downwardly convex curved-surface structure, curved surface fulcrum 7-1 and balance pivot curved surface 8-
2 match and are correspondingly arranged in balance pivot curved surface 8-2, lever close to bearing center, that is, short arm of force point of application position,
For lever far from bearing center, that is, long arm of force point of application, the side of curved surface fulcrum 7-1 is the short arm of force 7-2 of lever, curved surface fulcrum
The other side of 7-1 is the long arm of force 7-3 of lever, moving block 6 is provided with above the short arm of force 7-2 of lever, the bottom surface of moving block 6 is flat
Face simultaneously fits with the upper surfaces lever short arm of force 7-2, and the upper surface of moving block 6 matches and is correspondingly arranged with embedded curved surface 5-1
In embedded curved surface 5-1, it is placed with elastomer 9 on the long arm of force 7-3 of lever, makes the bottom of the upper surface and block 8-1 of elastomer 9
Face is in contact.
The surface of the curved surface fulcrum 7-1 is equipped with antifriction layer, make curved surface fulcrum and 7-1 and balance pivot curved surface 8-2 it
Between friction coefficient smaller, abrasion are low, and compression is not high, the preferable fatigue behaviour for ensureing vibration isolation.
The lever construction vertical vibration isolation ball shaped steel bearing of bi-directional movable type is provided, as shown in Figure 1.Its mainly by upper base plate 1,
The compositions such as middle seat board 3, lower seat board 5, moving block 6, lever 7, base board 8 and elastomer 9.The central upper portion of lower seat board 5 is one
Spherical surface is provided with spherical surface nonmetallic slide plate, and the embedded curved surface 5-1 of central symmetry two is arranged at bottom, and it is side to embed the both sides curved surface 5-1
Plane.Moving block 6 is curved body, and upper surface is curved surface, and lower surface is plane；One bearing is containing there are two moving blocks 6.Lever 7
Fulcrum be a curved surface, lever 7 is close to bearing center, that is, short arm of force point of application position, and lever is far from bearing center
The i.e. long arm of force point of application places elastomer 9；Lever 7 is located at 6 lower section of moving block.There are two 8 center of base board is arranged symmetrically
There is the block 8-1 for supporting elastomer 9 balance pivot curved surface 8-2,8 both sides of base board；The sides block 8-1 of base board 8 are under
Two side contacts of seat board 5 and there are certain intervals, while lower seat board 5 is encased substantially.1 lower part of upper base plate and 3 top of middle seat board are set
There is upper flat frictional pair 2；3 lower part of middle seat board and lower 5 top of seat board are provided with spherical surface friction pair 4.
The vertical vibration isolation ball shaped steel bearing for the bi-directional movable type lever construction that the present embodiment provides, by normal ball-type steel
On the basis of bearing, add two groups of symmetrical lever assemblies, changes lower 8 structure of seat board 5 and base board.Holder top structure lotus
It carries and is then applied separately to two levers 7 by 5, two upper base plate 1, middle seat board 3, lower seat board moving blocks 6, acted in lever 7
Under, load by inputting energetically, and small power is output in elastomer 9 at the long arm of force of lever 7, and compressive deformation occurs for elastomer 9,
Cause the i.e. vertical deformation of moving block 6 and the above structure at the rotation of lever 7 and the short arm of force, effectively reduces the whole vertical rigid of bearing
Degree, makes the vertical fundamental frequency of bearing far from the dominant frequency of holder top structural vibration, to realize vertical vibration isolation function.The branch of lever 7
It is provided with antifriction layer at point, friction coefficient is small, and abrasion are low, and compression is not high, the preferable fatigue behaviour for ensureing vibration isolation.Bearing increases
Moving block 6 is added, mainly for adapting to the compatibility of deformation ability of lever 7, lever 7 is difficult to play a role and cause if hard contact
The vibration isolation function of stuck phenomenon, bearing will be unable to realize.Both sides substantially completely encase the both sides of lower seat board 5 in 8 top of base board,
Ensure bearing in loading process will not run-off the straight, preferably load can be assigned on two moving blocks 6 and lever 7,
Ensure the uniformity of structure stress.When bearing normal operation, flat frictional pair 2 realizes the displacement function of structure on bearing；Spherical surface
Friction pair 4 realizes structure vertical rotating function.Bearing, can be direct if elastomer 9 is damaged after using certain time limit
Apply the load action smaller than holder top structure on bridge on lever 7, more renews elastomer 9, it is whole without needing to change
A bearing.
Claims (2)
1. a kind of vertical vibration isolation ball shaped steel bearing with lever assembly, the lower seat board of ball shaped steel bearing（5）And base board（8）It is in
It is existing setting up and down, it is characterised in that：Base board（8）Both sides be respectively equipped with block（8-1）, two blocks（8-1）Side point
Not with lower seat board（5）Two side contacts, base board（8）Plate upper surface on set there are two about ball shaped steel bearing shaft centre line
Symmetrical balance pivot curved surface（8-2）, lower seat board（5）Bottom center set there are two about ball shaped steel bearing shaft centre line it is symmetrical
Embedded curved surface（5-1）, embed curved surface（5-1）The lower seat board in outside（5）Bottom surface tilts upwards, in lower seat board（5）And base board
（8）Two groups of lever assemblies are equipped in the space surrounded, two groups of lever assemblies are symmetricly set on the two of ball shaped steel bearing shaft centre line
Side, every group of lever assembly includes moving block（6）, lever（7）And elastomer（9）, lever（7）The left and right sides and upper and lower both sides it is equal
Equipped with for lever（7）The gap of rotation, lever（7）Bottom surface be equipped with curved surface fulcrum（7-1）, curved surface fulcrum（7-1）With thick stick
Bar fulcrum curved surface（8-2）Match and is correspondingly arranged at balance pivot curved surface（8-2）It is interior, curved surface fulcrum（7-1）Side be thick stick
The short arm of force of bar（7-2）, curved surface fulcrum（7-1）The other side be the long arm of force of lever（7-3）, in the short arm of force of lever（7-2）Top is set
It is equipped with moving block（6）, moving block（6）Bottom surface be plane and with the short arm of force of lever（7-2）Upper surface fits, moving block（6）
Upper surface and embedded curved surface（5-1）Match and is correspondingly arranged at embedded curved surface（5-1）It is interior, in the long arm of force of lever（7-3）On
It is placed with elastomer（9）, make elastomer（9）Upper surface and block（8-1）Bottom surface be in contact.
2. a kind of vertical vibration isolation ball shaped steel bearing with lever assembly as described in claim 1, it is characterised in that：Described
Curved surface fulcrum（7-1）Surface be equipped with antifriction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803917.3A CN108774949B (en) | 2018-07-20 | 2018-07-20 | Vertical vibration isolation spherical steel support with lever assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803917.3A CN108774949B (en) | 2018-07-20 | 2018-07-20 | Vertical vibration isolation spherical steel support with lever assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108774949A true CN108774949A (en) | 2018-11-09 |
| CN108774949B CN108774949B (en) | 2019-12-06 |
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ID=64030042
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803917.3A Active CN108774949B (en) | 2018-07-20 | 2018-07-20 | Vertical vibration isolation spherical steel support with lever assembly |
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| Country | Link |
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| CN (1) | CN108774949B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777641A (en) * | 2019-11-07 | 2020-02-11 | 湘潭大学 | Multistage energy consumption bridge antidetonation dog convenient to maintain and change |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386251A (en) * | 1980-03-14 | 1983-05-31 | Alps Electric Co., Ltd. | Fixture for push-button switch |
| CN105908622A (en) * | 2016-05-26 | 2016-08-31 | 中铁大桥勘测设计院集团有限公司 | Anti-drawing spherical support |
| CN205711721U (en) * | 2016-06-23 | 2016-11-23 | 内蒙古建筑职业技术学院 | A kind of novel adjustable bridge bearing pad |
| CN208748509U (en) * | 2018-07-20 | 2019-04-16 | 洛阳双瑞特种装备有限公司 | A kind of vertical vibration isolation ball shaped steel bearing with lever assembly |
-
2018
- 2018-07-20 CN CN201810803917.3A patent/CN108774949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386251A (en) * | 1980-03-14 | 1983-05-31 | Alps Electric Co., Ltd. | Fixture for push-button switch |
| CN105908622A (en) * | 2016-05-26 | 2016-08-31 | 中铁大桥勘测设计院集团有限公司 | Anti-drawing spherical support |
| CN205711721U (en) * | 2016-06-23 | 2016-11-23 | 内蒙古建筑职业技术学院 | A kind of novel adjustable bridge bearing pad |
| CN208748509U (en) * | 2018-07-20 | 2019-04-16 | 洛阳双瑞特种装备有限公司 | A kind of vertical vibration isolation ball shaped steel bearing with lever assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777641A (en) * | 2019-11-07 | 2020-02-11 | 湘潭大学 | Multistage energy consumption bridge antidetonation dog convenient to maintain and change |
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| Publication number | Publication date |
|---|---|
| CN108774949B (en) | 2019-12-06 |
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Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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