CN204875499U - Friction pendulum support - Google Patents
Friction pendulum support Download PDFInfo
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- CN204875499U CN204875499U CN201520577179.7U CN201520577179U CN204875499U CN 204875499 U CN204875499 U CN 204875499U CN 201520577179 U CN201520577179 U CN 201520577179U CN 204875499 U CN204875499 U CN 204875499U
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- lower plane
- friction
- planar slide
- sphere
- sliding shoe
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Abstract
Friction pendulum support, include planar slide board down, lower planar slide piece, go up sphere sliding block and last sphere sliding plate, the planar slide antifriction plate is equipped with to the bottom surface of planar slide piece down, the top surface of going up the sphere sliding block is equipped with sphere slip antifriction plate, the coefficient of friction of sphere slip antifriction plate is greater than the coefficient of friction of planar slide antifriction plate, the both ends symmetry of controlling of planar slide piece is equipped with positioning card block down, positioning card block removes along with the slip of lower planar slide piece, four positioning channel section have on the top surface of lower planar slide board, positioning card block is the locking planar slide board and the slip position of planar slide piece down in along with the slip insertible positioning channel section of lower planar slide piece. The utility model provides a friction pendulum support, the temperature displacement realizes in little coefficient of friction's plane sliding friction is vice, earthquake displacement realization in big coefficient of friction's sphere sliding friction is vice, rational in infrastructure, long service life, to subtract the shock insulation effectual, has the emergence that planar slide self -locking function can effectively prevent the roof beam phenomenon.
Description
Technical field
The utility model relates to bridge construction technical field, is specifically related to a kind of friction pendulum support.
Background technology
Existing conventional ball type bearing, pot bearing can meet the normal operation of bridge in use.But effect is bad when coming earthquake, particularly when continuous beam uses, fixed bearing transmits most of horizontal earthquake energy of whole bridge, carries very large horizontal force, is difficult to pass through designing and calculating.Freely movable bearing due to planar friction coefficient less, the Its ultimate bearing capacity of activity direction is also very little, and there will be the slippage of bearing plane when the horizontal force of bearing carrying is larger, the relative displacement that beam and pier are produced is comparatively large, easily causes beam phenomenon.
Although neoprene bearing and lead core rubber support have subtract shock insulation and plane auto-lock function, but because initial rigidity is smaller, when normal use, bridge easily produces and rocks, and rubber is easily aging, the life-span is low, due to the characteristic of rubber itself, when bearing capacity is large, the corresponding increase of volume of required bearing, cause corner difficulty, usability and the economy of bearing are poor.Two sphere friction pendulum support provides temperature movement and earthquake displacement on same slip sphere, temperature movement requires that bearing friction factor is little of as much as possible to discharge beam body strain, and earthquake displacement needs bearing friction factor suitably to tune up to increase damping and isolating affection, friction factor is difficult to be in harmonious proportion, cause friction pendulum support short for application life, the Liang Tichu be connected with bearing easily damages.
Utility model content
the friction pendulum support that the utility model provides, temperature movement realizes in the planar slide friction pair of friction coefficient, earthquake displacement realizes in the sphere sliding friction pair of large friction factor, rational in infrastructure, long service life, damping and isolation effect are good, having planar slide auto-lock function can the generation of effective restrainer phenomenon.
For achieving the above object, the technical solution adopted in the utility model is: friction pendulum support, comprise lower plane sliding panel, lower plane sliding panel is disposed with lower plane sliding shoe, upper sphere sliding shoe and upper sphere sliding panel, the end face that planar slide wearing plate and lower plane sliding panel are equipped with in the bottom surface of lower plane sliding shoe forms planar slide friction pair;
The end face of lower plane sliding shoe is concave sphere, and the bottom surface that the end face of lower plane sliding shoe is equipped with spherical rotation wearing plate and upper sphere sliding shoe forms spherical rotation friction pair;
The bottom surface that the end face of upper sphere sliding shoe is equipped with sphere slip wearing plate and upper sphere sliding panel forms sphere sliding friction pair;
The center of lower plane sliding panel end face has the gathering sill arranged along lower plane sliding panel length direction, has the protruding guide rail coordinated with gathering sill slippage bottom lower plane sliding shoe;
It is characterized in that the friction factor of described sphere slip wearing plate is greater than the friction factor of planar slide wearing plate, two ends, the left and right symmetry of described lower plane sliding shoe is equipped with positioning wedged block, described positioning wedged block is mobile with the slip of lower plane sliding shoe, the end face of described lower plane sliding panel has the locating groove of four rectangular arrangements, the Central Symmetry distribution of the plate of planar slide below locating groove, described positioning wedged block can embed with the slip of lower plane sliding shoe the sliding position locking lower plane sliding panel and lower plane sliding shoe in described locating groove.
Further, the two ends, left and right of described lower plane sliding shoe have the through hole of vertical direction, described positioning wedged block is placed in described through hole, and through hole and locating groove vertical alignment, positioning wedged block falls into locating groove and filled up by locating groove from through hole.
Further, two insurance projections are provided with in described gathering sill, described insurance projection is symmetrical with gathering sill mid point, described protruding guide rail slides and insurance bump contact in gathering sill, described through hole and locating groove stagger, and described protruding guide rail is broken through insurance projection continuation slip and made described through hole and locating groove vertical alignment.
Further, the two ends of described gathering sill arrange the backstop for preventing lower plane slide plate block from skidding off from lower plane slide plate plate respectively.
Further, described positioning wedged block is the taper that the large lower semisection of upper semisection is little, and described locating groove is the cone tank identical with positioning wedged block shape.
Further, between described gathering sill and protruding guide rail, there is lubricant medium.
Further, the bottom surface of the end face of described lower plane sliding panel, the bottom surface of upper sphere sliding shoe and upper sphere sliding panel all has chromium coating or pastes mirror face stainless steel plate.
The beneficial effects of the utility model are: friction pendulum support of the present utility model is by the reasonable assembling of lower plane sliding panel, lower level and smooth motion block, upper sphere sliding shoe and upper ball sliding panel, temperature movement is realized in the planar slide friction pair of friction coefficient, earthquake displacement realizes in the sphere sliding friction pair of large friction factor, rational in infrastructure, long service life.When an earthquake occurs, the auto-lock function realizing planar slide in locating groove is embedded by positioning wedged block, the generation of effective restrainer phenomenon, earthquake energy is carried out by sphere sliding friction pair, extend the shock insulation cycle of friction pendulum support, increase vibration-insulation damping, damping and isolation effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of friction pendulum support in embodiment.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is that the B-B of Fig. 1 is to sectional view.
Fig. 4 be through hole and locating groove vertical alignment time friction pendulum support structural representation.
Fig. 5 is the top view of lower plane sliding panel.
Fig. 6 is the upward view of lower plane sliding shoe.
Detailed description of the invention
To be further described the utility model by drawings and Examples below.
As shown in Figures 1 to 6, friction pendulum support, comprise lower plane sliding panel 1, lower plane sliding panel 1 is disposed with lower plane sliding shoe 2, upper sphere sliding shoe 3 and upper sphere sliding panel 4, the bottom surface of lower plane sliding shoe 2 is equipped with planar slide wearing plate 21 and is formed planar slide friction pair with the end face of lower plane sliding panel 1.The end face of lower plane sliding shoe 2 is concave sphere, and the end face of lower plane sliding shoe 2 is equipped with spherical rotation wearing plate 22 and forms spherical rotation friction pair with the bottom surface of upper sphere sliding shoe 3; The end face of upper sphere sliding shoe 3 is equipped with sphere slip wearing plate 31 and forms sphere sliding friction pair with the bottom surface of upper sphere sliding panel 4.The bottom surface of the end face of described lower plane sliding panel 1, the bottom surface of upper sphere sliding shoe 3 and upper sphere sliding panel 4 all has chromium coating or pastes mirror face stainless steel plate, for reducing the friction factor of planar slide friction pair, spherical rotation friction pair and sphere sliding friction pair, extend the application life of planar slide wearing plate 21, spherical rotation wearing plate 22 and sphere slip wearing plate 31, extend the application life of friction pendulum support.
The center of lower plane sliding panel 1 end face has the gathering sill 11 arranged along lower plane sliding panel 1 length direction, has the protruding guide rail 23 coordinated with gathering sill 11 slippage bottom lower plane sliding shoe 2.Between gathering sill 11 and protruding guide rail 23, there is lubricant medium.The two ends of described gathering sill 11 arrange the backstop 11.2 for preventing lower plane slide plate block 2 from skidding off from lower plane slide plate plate 1 respectively.The slippage of gathering sill 11 and protruding guide rail 23 coordinates horizontal force and horizontal slip guide function for realizing friction pendulum support, and temperature movement realizes in the planar slide friction pair of friction coefficient.
The friction factor of described sphere slip wearing plate 31 is greater than the friction factor of planar slide wearing plate 21, and the two ends, left and right of lower plane sliding shoe 2 have the through hole 25 of vertical direction, and described positioning wedged block 24 is placed in described through hole 25.The end face of described lower plane sliding panel 1 has the locating groove 12 of four rectangular arrangements, the Central Symmetry distribution of locating groove less than 12 planar slide plate 1, through hole 25 and locating groove 12 vertical alignment, positioning wedged block 24 falls into locating groove 12 and is filled up by locating groove 12.Positioning wedged block 24 is the taper that the large lower semisection of upper semisection is little, and described locating groove 12 is the cone tank identical with positioning wedged block 24 shape.Two insurance projections 11.1 are provided with in gathering sill 11, insurance projection 11.1 is symmetrical with gathering sill 11 mid point, protruding guide rail 23 slide in gathering sill 11 with insurance projection 11.1 contact, described through hole 25 staggers with locating groove 12, and described protruding guide rail 23 is broken through insurance projection 11.1 continuation slip and made described through hole 25 and locating groove 12 vertical alignment.In normal state, the horizontal force that friction pendulum support bears is less, protruding guide rail 23 slides and provides temperature movement in gathering sill 11, when protruding guide rail 23 slides into and contacts with the insurance projection 11.1 in gathering sill 11, protruding guide rail 23 horizontal thrust is less, insurance projection 11.1 can not be broken through, through hole 25 and locating groove 12 stagger, positioning wedged block 24 is still placed in through hole 25, insurance projection 11.1 limits the further slip of protruding guide rail 23, friction pendulum support, play the vertical carrying of conventional ball type bearing, horizontal force and guiding, the repertoire of low resistance planar slip and rotation.Under the state that earthquake occurs, the horizontal force that friction pendulum support bears and vertical force all increase, protruding guide rail 23 quick sliding in gathering sill 11 collides with insurance projection 11.1 and goes out and insures projection 11.1 and continue to slide, when through hole 25 and locating groove 12 vertical alignment, positioning wedged block 24 drops in locating groove 12, the positioning wedged block 24 of taper and the locating groove 12 of taper make positioning wedged block 24 be embedded in locating groove 12, the sliding position of locking lower plane sliding panel 1 and lower plane sliding shoe 2, upper sphere sliding panel 4 slides on the sphere slip wearing plate 31 with larger friction factor by the drive of earthquake kinetic energy, earthquake kinetic energy is consumed by sphere sliding friction pair, extend the shock insulation cycle of friction pendulum support, increase vibration-insulation damping.There is lower plane sliding shoe 2 skid off from lower plane sliding panel 1 for invariably epicenter location fixture block 24 does not fall into location shell 12, cause adverse consequences, stop 11.2 is set at the two ends of guide-track groove 11 and prevents lower plane slide plate block 2 from skidding off from lower plane slide plate plate 1.
Above-described friction pendulum support is by the reasonable assembling of lower plane sliding panel 1, lower level and smooth motion block 2, upper sphere sliding shoe 3 and upper ball sliding panel 4, temperature movement is realized in the planar slide friction pair of friction coefficient, earthquake displacement realizes in the sphere sliding friction pair of large friction factor, rational in infrastructure, long service life.When an earthquake occurs, embedded the auto-lock function realizing planar slide in locating groove 12 by positioning wedged block 24, the generation of effective restrainer phenomenon, earthquake energy is carried out by sphere sliding friction pair, extend the shock insulation cycle of friction pendulum support, increase vibration-insulation damping, damping and isolation effect is good.
Below by reference to the accompanying drawings complete description is carried out to the technical scheme of the utility model embodiment; it should be noted that described embodiment is only the utility model part embodiment; make based on the embodiment in the utility model; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Claims (7)
1. friction pendulum support, comprise lower plane sliding panel (1), lower plane sliding panel (1) is disposed with lower plane sliding shoe (2), upper sphere sliding shoe (3) and upper sphere sliding panel (4), the bottom surface of lower plane sliding shoe (2) is equipped with planar slide wearing plate (21) and is formed planar slide friction pair with the end face of lower plane sliding panel (1);
The end face of lower plane sliding shoe (2) is concave sphere, and the end face of lower plane sliding shoe (2) is equipped with spherical rotation wearing plate (22) and forms spherical rotation friction pair with the bottom surface of upper sphere sliding shoe (3);
The end face of upper sphere sliding shoe (3) is equipped with sphere slip wearing plate (31) and forms sphere sliding friction pair with the bottom surface of upper sphere sliding panel (4);
The center of lower plane sliding panel (1) end face has the gathering sill (11) arranged along lower plane sliding panel (1) length direction, and lower plane sliding shoe (2) bottom has the protruding guide rail (23) coordinated with gathering sill (11) slippage;
It is characterized in that the friction factor of described sphere slip wearing plate (31) is greater than the friction factor of planar slide wearing plate (21), two ends, the left and right symmetry of described lower plane sliding shoe (2) is equipped with positioning wedged block (24), described positioning wedged block (24) is mobile with the slip of lower plane sliding shoe (2), the end face of described lower plane sliding panel (1) has the locating groove (12) of four rectangular arrangements, the Central Symmetry distribution of the following planar slide plate (1) of locating groove (12), described positioning wedged block (24) can embed with the slip of lower plane sliding shoe (2) sliding position locking lower plane sliding panel (1) and lower plane sliding shoe (2) in described locating groove (12).
2. friction pendulum support according to claim 1, it is characterized in that the two ends, left and right of described lower plane sliding shoe (2) have the through hole (25) of vertical direction, described positioning wedged block (24) is placed in described through hole (25), through hole (25) and locating groove (12) vertical alignment, positioning wedged block (24) falls into locating groove (12) and is filled up by locating groove (12) from through hole (25).
3. friction pendulum support according to claim 2, it is characterized in that in described gathering sill (11), being provided with two insurances projection (11.1), described insurance projection (11.1) is symmetrical with gathering sill (11) mid point, the slip in gathering sill (11) of described protruding guide rail (23) contacts with insurance projection (11.1), described through hole (25) and locating groove (12) stagger, and described protruding guide rail (23) is broken through insurance projection (11.1) continuation slip and made described through hole (25) and locating groove (12) vertical alignment.
4. friction pendulum support according to claim 3, is characterized in that the two ends of described gathering sill (11) arrange the backstop (11.2) being used for preventing lower plane slide plate block (2) from skidding off from lower plane slide plate plate (1) respectively.
5. friction pendulum support according to claim 4, it is characterized in that described positioning wedged block (24) is for the little taper of the large lower semisection of upper semisection, described locating groove (12) is the cone tank identical with positioning wedged block (24) shape.
6. friction pendulum support according to claim 5, is characterized in that having lubricant medium between described gathering sill (11) and protruding guide rail (23).
7. friction pendulum support according to claim 6, is characterized in that the end face of described lower plane sliding panel (1), the bottom surface of the bottom surface of upper sphere sliding shoe (3) and upper sphere sliding panel (4) all has chromium coating or paste mirror face stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577179.7U CN204875499U (en) | 2015-08-04 | 2015-08-04 | Friction pendulum support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577179.7U CN204875499U (en) | 2015-08-04 | 2015-08-04 | Friction pendulum support |
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| CN204875499U true CN204875499U (en) | 2015-12-16 |
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| CN201520577179.7U Active CN204875499U (en) | 2015-08-04 | 2015-08-04 | Friction pendulum support |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839515A (en) * | 2016-05-20 | 2016-08-10 | 成都市新筑路桥机械股份有限公司 | One-way movement three-layer composite damping device |
| CN105926431A (en) * | 2016-07-07 | 2016-09-07 | 株洲时代新材料科技股份有限公司 | Damping element, friction pendulum support and damping method thereof |
| CN108035244A (en) * | 2017-12-22 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | A kind of friction pendulum support and bridge subtract shock isolation system |
| CN109235248A (en) * | 2018-11-14 | 2019-01-18 | 中铁二院工程集团有限责任公司 | A kind of spherical steel support of energy consumption |
| CN110904828A (en) * | 2019-11-14 | 2020-03-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN111021238A (en) * | 2019-12-26 | 2020-04-17 | 中交公路长大桥建设国家工程研究中心有限公司 | Ellipsoidal anisotropic friction simple pendulum support |
| CN111519515A (en) * | 2020-05-14 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
-
2015
- 2015-08-04 CN CN201520577179.7U patent/CN204875499U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839515A (en) * | 2016-05-20 | 2016-08-10 | 成都市新筑路桥机械股份有限公司 | One-way movement three-layer composite damping device |
| CN105926431A (en) * | 2016-07-07 | 2016-09-07 | 株洲时代新材料科技股份有限公司 | Damping element, friction pendulum support and damping method thereof |
| CN105926431B (en) * | 2016-07-07 | 2017-07-18 | 株洲时代新材料科技股份有限公司 | Damping element, friction pendulum support and its damping method |
| CN108035244A (en) * | 2017-12-22 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | A kind of friction pendulum support and bridge subtract shock isolation system |
| CN109235248A (en) * | 2018-11-14 | 2019-01-18 | 中铁二院工程集团有限责任公司 | A kind of spherical steel support of energy consumption |
| CN109235248B (en) * | 2018-11-14 | 2023-09-12 | 中铁二院工程集团有限责任公司 | Spherical steel support of power consumption |
| CN110904828A (en) * | 2019-11-14 | 2020-03-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN110904828B (en) * | 2019-11-14 | 2021-08-20 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN111021238A (en) * | 2019-12-26 | 2020-04-17 | 中交公路长大桥建设国家工程研究中心有限公司 | Ellipsoidal anisotropic friction simple pendulum support |
| CN113981812A (en) * | 2019-12-26 | 2022-01-28 | 中交公路长大桥建设国家工程研究中心有限公司 | Ellipsoidal anisotropic friction simple pendulum support |
| CN111519515A (en) * | 2020-05-14 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
| CN111519515B (en) * | 2020-05-14 | 2021-08-17 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
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