CN220598136U - Novel tension-compression shock-absorbing and-isolating support - Google Patents
Novel tension-compression shock-absorbing and-isolating support Download PDFInfo
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- CN220598136U CN220598136U CN202322008447.0U CN202322008447U CN220598136U CN 220598136 U CN220598136 U CN 220598136U CN 202322008447 U CN202322008447 U CN 202322008447U CN 220598136 U CN220598136 U CN 220598136U
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 25
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 3
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- 230000009467 reduction Effects 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
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- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
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- 238000005265 energy consumption Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of building supports, and particularly relates to a novel tension-compression shock-absorption and isolation support. The friction pendulum of the novel support is respectively provided with a pull-out-resistant mechanism consisting of a limiting unit and a sliding unit between the friction pendulum and an upper support plate and between the friction pendulum and a lower support plate; the limit unit comprises a flange and a baffle strip, the flange is arranged on two opposite sides of the end face of the friction pendulum, and the baffle strip is arranged on the inner side of the outer edge of the upper support plate or the lower support plate and forms a clamping groove for accommodating the flange; the sliding unit comprises a plane stainless steel sliding strip arranged between the outer end surface of the flange and the bottom surface of the clamping groove, a curved surface stainless steel sliding strip arranged between the outer side surface of the flange and the side surface of the clamping groove, and the curved surface stainless steel sliding strip is laid on the arc-shaped surface of the barrier strip, and the curvature of the arc surface of the barrier strip and the curvature radius of the friction pendulum are consistent; the novel support realizes multi-surface sliding vibration reduction and has the advantages of enhancing drawing resistance, along with long-acting stability of vibration reduction and insulation effects, excellent drawing resistance and girder falling resistance, compact overall structure, convenient manufacture, economy and durability.
Description
Technical Field
The utility model belongs to the technical field of building supports, and particularly relates to a novel tension-compression shock-absorption and isolation support.
Background
Along with the rapid development of bridge technology in China, the bridge construction types are becoming rich, and various bridges have higher requirements on the performances of shock absorption, shock resistance, tensile resistance, girder falling prevention, displacement and the like of the support. Based on the existing production conditions and technical level, the friction pendulum support is widely applied to bridge buildings by virtue of excellent shock insulation and damping performance and self-resetting capability, the self-vibration period and the damping and damping performance of a bridge structure can be greatly increased, and the earthquake response can be temporarily reduced and the earthquake energy dissipation can be increased when an earthquake occurs, so that the destabilization damage of the upper and lower integral structures of the bridge is effectively avoided. However, the common shock-absorbing and insulating support still cannot meet the shock-absorbing and insulating requirements of the bridge on the support in terms of vertical pulling resistance and beam falling resistance, especially in the longitudinal impact response generated by earthquake, the inside of the bridge support is easy to cause structural dislocation, the wear-resisting plate is separated, the shock-absorbing and insulating function of the support is lost, and once the safety accident is initiated, huge life and property losses are brought.
The utility model with the application number of 201911113656.3 discloses a tensile pulling damping vibration reduction and isolation support, which adopts the arrangement of crisscross longitudinal and transverse sliding plates, and can realize the sliding vibration isolation in any direction by adopting the sliding vibration isolation in the longitudinal bridge direction and the transverse bridge direction when the horizontal force exceeds a certain value under the earthquake working condition on the basis of realizing the functions of normal vertical bearing, horizontal stress limiting or guiding sliding, rotation around any horizontal direction and the like. However, the support has complex structural design, high manufacturing cost and high maintenance cost; in the use process, mutual interference exists between sliding vibration reduction and a inhaul cable component for realizing the pulling-out resistance function, and the actual effect is not ideal.
Disclosure of Invention
The utility model aims to provide a novel tension-compression shock-absorbing and shock-isolating support which is capable of absorbing vibration in a multi-surface sliding manner and enhancing the tensile pulling performance, and has the characteristics of long-acting and stable shock-absorbing and shock-isolating effect, excellent anti-pulling and anti-falling beam performance, compact overall structure, convenience in manufacturing, economy and durability.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a novel draw and press damping isolation bearing which characterized in that: the device comprises an upper support plate, a lower support plate and a friction pendulum arranged between the upper support plate and the lower support plate, wherein a pulling-out prevention mechanism is arranged between the friction pendulum and the upper support plate and between the friction pendulum and the lower support plate respectively, and the pulling-out prevention mechanism comprises a limiting unit and a sliding unit; the limiting unit comprises a flange and a baffle strip, wherein the flange is arranged on two opposite sides of the end face of the friction pendulum, and the baffle strip is arranged on the inner side of the outer edge of the upper support plate or the lower support plate and forms a clamping groove for accommodating the flange; the sliding unit comprises a plane stainless steel sliding strip arranged between the outer end face of the flange and the bottom face of the clamping groove, and a curved surface stainless steel sliding strip arranged between the outer side face of the flange and the side face of the clamping groove, wherein the curved surface stainless steel sliding strip is laid on the arc-shaped surface of the barrier strip, and the curvature of the arc-shaped surface of the barrier strip is consistent with the curvature radius of the friction pendulum.
The additional technical characteristics of the novel tension-compression damping and isolating support comprise:
the friction pendulum consists of an upper lining plate and a lower lining plate, the top surface of the upper lining plate and the bottom surface of the upper support plate, and the bottom surface of the lower lining plate and the top surface of the lower support plate are respectively provided with a curved sliding friction pair, and the curved sliding friction pair consists of a stainless steel sliding plate and a curved wear-resisting plate; the spherical rotary friction pair is arranged between the upper lining plate and the lower lining plate and comprises a spherical groove arranged on the bottom surface of the upper lining plate and a spherical protruding head matched with the spherical groove and arranged on the top surface of the lower lining plate.
The sliding unit above the friction pendulum is consistent with the movement direction of the curved sliding friction pair thereof, and the sliding unit below the friction pendulum is consistent with the movement direction of the curved sliding friction pair thereof;
the two ends of the inhaul cable are respectively provided with an anchor joint, the anchor joints are respectively arranged in the stop holes at the outer sides of the upper liner plate and the lower liner plate, or bosses with through holes are respectively arranged at the outer sides of the upper liner plate and the lower liner plate, and a screw rod at the end part of the inhaul cable penetrates through the through holes of the bosses and is screwed and positioned or welded and positioned through nuts;
and limit plates capable of shearing and breaking after vibration are arranged on two sides of the lower support plate, and the end parts of the limit plates are propped against the side wall of the lower lining plate and are used for limiting curved surface sliding between the bottom surface of the lower lining plate and the top surface of the lower support plate.
Compared with the prior art, the novel tension-compression shock-absorbing and isolating support provided by the utility model has the following advantages: the upper part and the lower part of the friction pendulum of the novel support are respectively provided with an anti-drawing mechanism, the anti-drawing mechanism is composed of a limiting unit and a sliding unit, and the curved surface sliding effect of the upper end face and the lower end face of the friction pendulum is improved to the maximum extent on the basis of realizing the vertical displacement limitation of the upper support, the friction pendulum and a lower support plate, so that multi-curved surface sliding shock absorption and isolation are realized; specifically, the limiting unit comprises a flange and a baffle strip, wherein the flange is arranged on two opposite sides of the friction pendulum end face, the baffle strip is arranged on the inner side of the outer edge of the upper support plate or the lower support plate and forms a clamping groove for accommodating the flange, the clamping groove can effectively clamp and limit the friction pendulum end face, a tightly-connected whole is formed in the vertical direction, the vertical impact of an earthquake can be effectively conducted, the structure is more stable, and the drawing resistance and the beam falling resistance are better; the sliding unit comprises a plane stainless steel sliding strip arranged between the outer end face of the flange and the bottom face of the clamping groove and a curved surface stainless steel sliding strip arranged between the outer side face of the flange and the side face of the clamping groove, the top and the bottom of the friction pendulum are respectively in the curved surface friction process with the upper and lower support plates, the side edges of the friction pendulum realize plane sliding and curved surface auxiliary guiding sliding, smooth and regular operation of the friction pair is ensured, the sliding vibration reduction effect is stable for a long time, the curved surface stainless steel sliding strip is laid on the arc-shaped surface of the baffle strip, the curvature of the arc-shaped surface of the baffle strip is consistent with the curvature radius of the friction pendulum, the combination of limiting clamping drawing resistance and curved surface sliding vibration reduction and isolation is realized, and the sliding device has the advantages of reasonable and compactness, convenience in processing and manufacturing, safety, economy and durability.
Drawings
FIG. 1 is a schematic diagram of the front structure of a novel tension-compression shock-absorbing and-isolating support;
fig. 2 is a schematic diagram of a side view structure of the novel tension-compression damping and isolation support.
Detailed Description
The structure and operation of the novel tension-compression shock-absorbing and isolating support provided by the utility model are further described in detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the terms "transverse," "longitudinal," "upper," "lower," and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the structure of the novel tension-compression shock-absorbing and-isolating support comprises an upper support plate 1, a lower support plate 2 and a friction pendulum arranged between the upper support plate 1 and the lower support plate 2, wherein a tension-pulling mechanism (11, 21) is arranged between the friction pendulum and the upper support plate 1 and between the friction pendulum and the lower support plate 2, and the tension-pulling mechanism (11, 21) is composed of a limiting unit and a sliding unit; the limiting unit comprises flanges (12, 22) and barrier strips (13, 23), wherein the flanges (12, 22) are respectively arranged on two opposite sides of the upper end face and the lower end face of the friction pendulum, and the barrier strips (13, 23) are arranged on the inner side of the outer edge of the upper support plate 1 or the lower support plate 2 and form clamping grooves for accommodating the flanges (12, 22); the sliding unit comprises plane stainless steel sliding strips (14, 24) arranged between the outer end surfaces of the flanges (12, 22) and the bottom surface of the clamping groove, curved stainless steel sliding strips (15, 25) arranged between the outer side surfaces of the flanges (12, 22) and the side surfaces of the clamping groove, and the curved stainless steel sliding strips (15, 25) are laid on the arc-shaped surfaces of the baffle strips (13, 23) and the curvature of the arc-shaped surfaces of the baffle strips is consistent with the curvature radius of the friction pendulum.
The working principle is as follows: the friction pendulum of this support top and between upper bracket board 1, friction pendulum below and lower bracket board 2 all set up tensile mechanism (11, 21) to tensile mechanism (11, 21) are by spacing unit and sliding unit constitution, and spacing unit realizes vertical pulling through flange (12, 22) and blend stop (13, 23) block promptly, and sliding unit includes plane stainless steel draw-off strip (14, 24) and curved surface stainless steel draw-off strip (15, 25), has realized sliding interaction with friction pendulum curved surface, ensures to slide and subtracts and shake and anti drawing and prevent falling the roof beam and combine together.
In general, the sliding direction of the upper and lower curved surfaces of the friction pendulum is vertical in the longitudinal and transverse directions, and the curved stainless steel sliding strips (15, 25) of the sliding units are consistent with the curvature radius of the friction pendulum, so that the limiting units and the sliding units which are positioned above and below the friction pendulum are also vertically arranged in the longitudinal and transverse directions; the planar stainless steel slide bars (14, 24) and the curved stainless steel slide bars (15, 25) of the sliding unit can be a composite mechanism, namely, a stainless steel plate embedded and positioned is in clearance fit with a sliding wear-resistant plate and slides mutually; the flanges (12, 22) connected with the edges of the upper end surface and the lower end surface of the friction plate are integrally formed, and the stop bars (13, 23) connected with the outer edge and the inner side of the upper support plate 1 or the lower support plate 2 can be integrally formed, the stop bars (13, 23) can be fixed on the edges of the support plates through bolts or rivets, the edges of the support plates are preferably provided with the limiting assembly plates 10, and the stop bars (13, 23) can be connected on the bottom surfaces of the limiting assembly plates 10.
In the structure for forming the novel tension-compression shock-reducing and isolating support,
as a preferred embodiment, the friction pendulum is composed of an upper lining plate 31 and a lower lining plate 32, the top surface of the upper lining plate 31 and the bottom surface of the upper support plate 1, and the bottom surface of the lower lining plate and the top surface of the lower support plate 2 are respectively provided with curved sliding friction pairs (301, 302), and the curved sliding friction pairs (301, 302) are composed of a stainless steel sliding plate 33 and a curved wear-resistant plate 34, namely, the hyperboloid sliding damping friction pendulum is formed;
a spherical rotary friction pair 35 is arranged between the upper lining plate 31 and the lower lining plate 32, the spherical rotary friction pair 35 comprises a spherical groove 351 arranged on the bottom surface of the upper lining plate 31 and a spherical convex head 352 matched with the spherical groove 351 and arranged on the top surface of the lower lining plate 32, the spherical groove 351 and the spherical convex head 352 can also be in clearance fit with each other through a stainless steel plate and a sliding wear-resistant plate which are embedded and positioned, and the effects of vertical rotation and multi-direction three-dimensional sliding are realized through the spherical rotary friction pair 35;
further, by adjusting the damping coefficients of the curved sliding friction pairs (301 and 302) of the upper support plate 1, the lower support plate 2 and the friction pendulum and the spherical rotating friction pair 35 between the upper lining plate 31 and the lower lining plate 32 in the friction pendulum, the difference of the longitudinal and transverse damping displacement of the whole support can be realized, so that the earthquake response of different degrees in the longitudinal and transverse directions is met, the application range of the earthquake reduction and isolation support is widened, the friction coefficients of the sliding friction pairs in the support are different, the rigidity and the structural stability of a bridge structure are improved by enhancing the damping performance, the absorption and dissipation of earthquake energy are increased, and the long-acting stable earthquake reduction and isolation effect is maintained;
preferably, the sliding unit above the friction pendulum is consistent with the motion direction of the curved sliding friction pair 301, and the sliding unit below the friction pendulum is consistent with the motion direction of the curved sliding friction pair 302, namely, the motions of the upper and lower curved friction pairs (301, 302) of the friction pendulum are mutually independent, the directions can be mutually perpendicular, the displacement deformation requirements in the forward and transverse directions are met, the spherical rotating friction pair 35 inside the friction pendulum is arranged between the upper and lower curved sliding, so that three-dimensional multi-dimensional sliding damping is formed, and the damping and isolation effects with high energy consumption are realized;
further, a pull rope 4 is arranged between the upper lining plate 31 and the lower lining plate 32, two ends of the pull rope 4 are respectively provided with an anchor joint 41, the anchor joints 41 are respectively arranged in the stop holes 42 on the outer sides of the upper lining plate 31 and the lower lining plate 32, or bosses 43 with through holes are respectively arranged on the outer sides of the upper lining plate 31 and the lower lining plate 32, and a screw rod at the end part of the pull rope 4 penetrates through the through holes of the bosses 43 and is screwed and positioned or welded and positioned through nuts 44; the length of the inhaul cable 4 has a certain redundancy, so that the normal corner function of the support can be met, the support can be ensured to be in a safe tensile state, the problems of instability of a bridge structure, overturning of a beam body and the like caused by overlarge vertical displacement amplitude of the friction pendulum are prevented, and the inhaul cable assembly is simple in structure, convenient to install and outstanding in use effect;
preferably, the two sides of the lower support plate 2 are provided with limiting plates 5 capable of shearing and breaking after vibration induction, the ends of the limiting plates 5 are propped against the side walls of the lower lining plate 32 and are used for limiting the curved sliding between the bottom surface of the lower lining plate 32 and the top surface of the lower support plate 2, namely, the limiting plates 5 are arranged at two ends of the motion direction of the curved sliding friction pair 302 of the lower support plate 2, under normal working conditions, the temperature-changing displacement, vertical drawing-resisting and falling-preventing beam and three-dimensional multi-dimensional sliding vibration reducing and isolating functions of the support are realized by the curved sliding friction pair 301 of the upper support plate 1 and the spherical rotating friction pair 35 inside the friction pendulum under normal working conditions, when an earthquake occurs, the limiting plates 5 at two ends of the curved sliding friction pair 302 of the lower support plate 2 are sheared, after the earthquake is broken, the curved sliding of the lower support plate 2 is used for reducing the earthquake impact, the effect of the mechanism of the pendulum is exerted to the maximum extent, and the self-vibration cycle of the whole structure is prolonged, so that the damage of the earthquake impact is reduced.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limited to the implementation conditions of the present utility model, so that other modifications of the technical solution of the present utility model, or the equivalent of the structural dimensions and internal structures, should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (3)
1. The utility model provides a novel draw and press damping isolation bearing which characterized in that: the device comprises an upper support plate, a lower support plate and a friction pendulum arranged between the upper support plate and the lower support plate, wherein a pulling-resistant mechanism is arranged between the friction pendulum and the upper support plate and between the friction pendulum and the lower support plate respectively, and the pulling-resistant mechanism consists of a limiting unit and a sliding unit; the limiting unit comprises a flange and a baffle strip, wherein the flange is arranged on two opposite sides of the end face of the friction pendulum, and the baffle strip is arranged on the inner side of the outer edge of the upper support plate or the lower support plate and forms a clamping groove for accommodating the flange; the sliding unit comprises a plane stainless steel sliding strip arranged between the outer end face of the flange and the bottom face of the clamping groove, and a curved stainless steel sliding strip arranged between the outer side face of the flange and the side face of the clamping groove, wherein the curved stainless steel sliding strip is laid on the arc-shaped surface of the baffle strip, and the curvature of the arc-shaped surface of the baffle strip is consistent with the curvature radius of the friction pendulum;
the friction pendulum consists of an upper lining plate and a lower lining plate, the top surface of the upper lining plate and the bottom surface of the upper support plate, and the bottom surface of the lower lining plate and the top surface of the lower support plate are respectively provided with a curved sliding friction pair, and the curved sliding friction pair consists of a stainless steel slide plate and a curved wear-resisting plate; a spherical rotary friction pair is arranged between the upper lining plate and the lower lining plate, and comprises a spherical groove arranged on the bottom surface of the upper lining plate and a spherical protruding head matched with the spherical groove and arranged on the top surface of the lower lining plate;
the novel cable is characterized in that a cable is arranged between the upper lining plate and the lower lining plate, anchor joints are respectively arranged at two ends of the cable, the anchor joints are respectively arranged in the stop holes in the outer sides of the upper lining plate and the lower lining plate, or bosses with through holes are respectively arranged in the outer sides of the upper lining plate and the lower lining plate, and a screw rod at the end part of the cable penetrates through the through holes of the bosses and then is screwed and positioned or welded and positioned through nuts.
2. The novel tension-compression shock-absorbing and-isolating support according to claim 1, wherein: the sliding unit above the friction pendulum is consistent with the movement direction of the curved sliding friction pair thereof, and the sliding unit below the friction pendulum is consistent with the movement direction of the curved sliding friction pair thereof.
3. The novel tension-compression shock-absorbing and-isolating support according to claim 1, wherein: limiting plates capable of shearing and breaking after vibration are arranged on two sides of the lower support plate, and the end parts of the limiting plates are propped against the side walls of the lower lining plate and used for limiting curved surface sliding between the bottom surface of the lower lining plate and the top surface of the lower support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008447.0U CN220598136U (en) | 2023-07-28 | 2023-07-28 | Novel tension-compression shock-absorbing and-isolating support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008447.0U CN220598136U (en) | 2023-07-28 | 2023-07-28 | Novel tension-compression shock-absorbing and-isolating support |
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| Publication Number | Publication Date |
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| CN220598136U true CN220598136U (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322008447.0U Active CN220598136U (en) | 2023-07-28 | 2023-07-28 | Novel tension-compression shock-absorbing and-isolating support |
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| Country | Link |
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| CN (1) | CN220598136U (en) |
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2023
- 2023-07-28 CN CN202322008447.0U patent/CN220598136U/en active Active
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