CN214530171U - Double-pendulum type friction pendulum support with tensile and horizontal rotation functions - Google Patents
Double-pendulum type friction pendulum support with tensile and horizontal rotation functions Download PDFInfo
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- CN214530171U CN214530171U CN202022775219.2U CN202022775219U CN214530171U CN 214530171 U CN214530171 U CN 214530171U CN 202022775219 U CN202022775219 U CN 202022775219U CN 214530171 U CN214530171 U CN 214530171U
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Abstract
A double-pendulum type friction pendulum support with tensile and horizontal rotation functions comprises a top plate, an upper seat plate, a middle seat plate and a lower seat plate; the four sides of the top plate are provided with concentric circular arc-shaped sliding grooves, and the periphery of the upper part of the upper seat plate is matched with the concentric circular arc-shaped sliding grooves on the same side to form a tensile buckling type horizontal rotating slideway structure; the upper seat plate and the middle seat plate are matched and bent along the longitudinal bridge direction, the two sides of the transverse bridge direction of the upper seat plate are provided with upper arc-shaped sliding grooves, the two sides of the upper part of the transverse bridge of the middle seat plate are provided with upper arc-shaped sliding blocks, and the upper arc-shaped sliding blocks and the upper arc-shaped sliding grooves are matched to form a tensile buckling type vertical swinging slideway structure; well bedplate and bedplate are for matching mutually along the longitudinal bridge to crooked, and the horizontal bridge of well bedplate is equipped with down the arc slider to the lower part both sides, and the horizontal bridge of bedplate is equipped with down the arc spout to both sides down, and lower arc slider and lower arc spout match and constitute tensile vertical swing slide structure of formula of buckling mutually. The support has the seismic isolation and restoration capacity so as to solve the problems of the seismic isolation and reduction support of the existing buildings and bridges.
Description
Technical Field
The utility model relates to a building and bridge structures technical field, what specifically say is a double pendulum formula friction pendulum support that possesses tensile and horizontal rotation function.
Background
When a building, particularly a building with a large height-width ratio or a light space structure, is subjected to an earthquake action or is influenced by wind load, the upward acting force exceeds the self weight of the structure, a large overturning moment can be generated, the overturning moment can cause tension to a bottom supporting structure, and the instability problem is easily generated. In addition, building structural and load bearing features require the ability to rotate horizontally between the superstructure and the bottom support structure to relieve structural stresses. The torsion of the building exceeding the set value is also one of the main factors causing damage, and the most fundamental point for ensuring the stability of the building under the condition of torsion is how to guide the building to move in a determined horizontal direction, so that the possibility of harmful torsion is reduced. Therefore, the performance requirements of the building on the seismic isolation and reduction support are that the seismic isolation and reduction support has vertical tensile and horizontal rotation functions besides the common vertical bearing support, sliding displacement, horizontal rigidity, resetting capability, good fireproof performance and the like.
At present, rubber shock insulation supports are commonly used for shock insulation supports of buildings, and a small amount of plane friction sliding supports and friction swinging supports are arranged in addition. The rubber shock insulation support basically has no tensile capability or poor tensile capability, and has the problems of rubber aging, low-temperature hardening, high-temperature or fire energy consumption weakening and the like. The plane friction sliding support has poor tensile or anti-overturning performance and no recovery capability, and is generally matched with other recovery devices for use. The vertical anti-pulling friction pendulum support (ZL application number: 200710099429.0) has no horizontal rotation function, and has a traditional friction pendulum structure; the hyperboloid spherical seismic isolation and reduction support (ZL patent No. 200420010939.8) is used as one of friction pendulum supports, has the advantages of excellent seismic isolation and reduction performance, high bearing capacity, large displacement capacity, long service life and the like, but does not have a tensile function at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a double pendulum formula friction pendulum support that possesses tensile and horizontal rotation function has and subtracts isolation and reset capability to solve current building, bridge and subtract the problem that isolation bearing exists.
In order to realize the technical purpose, the adopted technical scheme is as follows: a double-pendulum type friction pendulum support with tensile and horizontal rotation functions comprises a top plate, an upper seat plate, a middle seat plate and a lower seat plate;
the top plate is arranged above the upper seat plate, the lower surface of the top plate is a plane, stop blocks with concentric circular arc-shaped sliding grooves are arranged on four sides of the top plate, the circle radiuses of the two opposite concentric circular arc-shaped sliding grooves are the same, the upper surface of the upper seat plate is a plane matched with the lower surface of the top plate, a plane friction pair is arranged between the upper seat plate and the top plate, circular arc-shaped sliding blocks which are respectively arranged in the concentric circular arc-shaped sliding grooves on the corresponding side are arranged on the periphery of the upper part of the upper seat plate, and the circular arc-shaped sliding blocks are matched with the concentric circular arc-shaped sliding grooves on the same side to form a tensile buckling type horizontal rotating slideway structure;
the upper seat plate is arranged above the middle seat plate, the lower surface of the upper seat plate and the upper surface of the middle seat plate are matched curved cambered surfaces along the longitudinal bridge direction, an upper cambered surface friction pair is arranged between the upper seat plate and the middle seat plate, stop blocks with upper cambered sliding grooves are arranged on two sides of the transverse bridge direction of the upper seat plate, the upper cambered sliding grooves are consistent with the lower surface arc shape of the upper seat plate, upper cambered sliding blocks arranged in the upper cambered sliding grooves are arranged on two sides of the upper part of the transverse bridge direction of the middle seat plate, and the upper cambered sliding blocks are matched with the upper cambered sliding grooves in a matched mode to form a tensile buckling type vertical swing slideway structure;
well bedplate setting is in the top of bedplate down, the lower surface of well bedplate and the upper surface of bedplate down are equipped with down the cambered surface friction pair for the cambered surface of matching each other along longitudinal bridge to the bending between well bedplate and bedplate down, the horizontal bridge of well bedplate is equipped with down the arc slider to the lower part both sides, the horizontal bridge of bedplate is equipped with the dog that has down the arc spout to both sides down, the arc spout is unanimous with the upper surface arc of bedplate down, down the arc slider matches with the arc spout is kiss down, constitute tensile vertical swing slide structure of formula of buckling each other.
The upper surface of the upper seat board is a concave arc surface, and the upper surface of the middle seat board is a convex arc surface matched with each other.
The lower surface of the middle seat board is a convex cambered surface, and the upper surface of the lower seat board is a concave cambered surface matched with each other.
The radius of curvature of the upper surface of the lower deck is the same as the radius of curvature of the lower surface of the upper deck.
The plane friction pair, the upper cambered surface friction pair and the lower cambered surface friction pair are all composed of a stainless steel sliding plate and a non-metal sliding plate.
The longitudinal bridge length of the top plate is consistent with that of the lower seat plate.
The utility model has the advantages that:
1) the buckling type slideway structure is designed between every two plate combinations of the top plate, the upper seat plate, the middle seat plate and the lower seat plate of the support, so that the support has the tensile function all the time in the sliding and rotating processes.
2) A plane friction pair is arranged between the top plate of the support and the upper seat plate, and a limit structure is arranged to ensure that the top plate can horizontally rotate in a designed manner; the concentric circular arc-shaped buckling type slideway structures are arranged on four sides between the top plate and the upper seat plate, so that the tensile stress state of the support after longitudinal sliding is improved.
3) The support realizes horizontal reciprocating sliding through the synthetic action of the double cambered surfaces. In the reciprocating sliding process, the earthquake energy is dissipated through the friction resistance of the sliding surface, the self-vibration period of the structure is prolonged, and the earthquake reduction and isolation effect is achieved. After the earthquake, the self weight of the upper structure forms restoring force, so that the support is reset.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the bridge of FIG. 1;
FIG. 3 is a three-dimensional view of the overall structure of the present invention;
fig. 4 is a three-dimensional view of the top plate of the present invention;
fig. 5 is a three-dimensional view of the upper seat plate of the present invention;
FIG. 6 is a three-dimensional view of the seat plate of the present invention;
FIG. 7 is a three-dimensional view of the lower seat plate of the present invention;
in the figure: 1. the top plate, 2, go up the bedplate, 3, well bedplate, 4, lower bedplate, 5, concentric circular arc spout, 6, the plane friction is vice, 7, go up the arc spout, 8, go up the arc friction is vice, 9, lower arc spout, 10, lower arc friction is vice, 11, convex slider, 12, go up the arc slider, 13, lower arc slider.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
A double-pendulum friction pendulum support with tensile and horizontal rotation functions comprises a top plate 1, an upper seat plate 2, a middle seat plate 3 and a lower seat plate 4.
The top plate 1 is arranged above the upper seat plate 2, the lower surface of the top plate 1 is a plane, the seat plate can be additionally arranged above the top plate 1 or is in anchor connection with a beam body, stop blocks with concentric circular arc-shaped sliding grooves 5 are arranged on four sides of the top plate 1, the inner side surfaces of the stop blocks are circular arc-shaped, the circular radiuses of the two opposite concentric circular arc-shaped sliding grooves 5 are the same, the upper surface of the upper seat plate 2 is a plane matched with the lower surface of the top plate 1, a plane friction pair 6 is arranged between the upper seat plate 2 and the top plate 1, circular arc-shaped sliding blocks 11 respectively arranged in the concentric circular arc-shaped sliding grooves 5 on the corresponding side are arranged on the periphery of the upper portion of the upper seat plate 2, the circular arc-shaped sliding blocks 11 are matched with the concentric circular arc-shaped sliding grooves 5 on the same side, a tensile buckling type horizontal rotation slide rail structure is formed, horizontal rotation of the top plate 1 on the upper seat plate 2 is achieved, and the tensile function is achieved.
Go up bedplate 2 and set up the top at well bedplate 3, the lower surface of going up bedplate 2 and the upper surface of well bedplate 3 are the edge longitudinal bridge of kissing the cooperation to crooked cambered surface, it rubs pair 8 to be equipped with the cambered surface between last bedplate 2 and well bedplate 3, the horizontal bridge of going up bedplate 2 is equipped with the dog that has last arc spout 7 to both sides, it is unanimous with the lower surface arc of last bedplate 2 to go up arc spout 7, the horizontal bridge of well bedplate 3 is equipped with the last arc slider 12 that sets up in last arc spout 7 to upper portion both sides, it kiss the cooperation with last arc spout 7 to go up arc slider 12, it can slide in last arc spout 7 to go up arc slider 12, constitute the vertical swing slide structure of formula of buckleing mutually of tensile, realize going up bedplate 2 along well bedplate 3 in vertical rotation or swing, and realize tensile function.
Well bedplate 3 sets up in bedplate 4's top down, the lower surface of well bedplate 3 and the upper surface of bedplate 4 down are the cambered surface of kissing the cooperation along the longitudinal bridge to the bending, be equipped with down the vice 10 of cambered surface friction between well bedplate 3 and bedplate 4 down, the horizontal bridge of well bedplate 3 is equipped with down arc slider 13 to lower part both sides, the horizontal bridge of bedplate 4 is equipped with the dog that has down arc spout 9 to both sides down, lower arc spout 9 is unanimous with the upper surface arc of bedplate 4 down, lower arc slider 13 kisses the cooperation with lower arc spout 9 down, constitute tensile vertical swing slide structure of formula of buckling mutually, lower arc slider 13 can slide at arc spout 9 down, bedplate 3 rotates or the swing on bedplate 4 down in the realization, and realize tensile function.
The upper surface of the upper seat plate 2 is a concave arc surface, and the upper surface of the middle seat plate 3 is a convex arc surface matched with each other. The lower surface of the middle seat plate 3 is a convex cambered surface, and the upper surface of the lower seat plate 4 is a concave cambered surface matched with each other.
The curvature radius of the upper surface of the lower seat plate 4 is the same as that of the lower surface of the upper seat plate 2, and horizontal sliding and vertical rotation are achieved together.
The plane friction pair 6, the upper cambered surface friction pair 8 and the lower cambered surface friction pair 10 are all composed of stainless steel sliding plates and non-metal sliding plates.
The longitudinal bridge length of the top plate 1 is consistent with that of the lower seat plate 4. Ensuring balance and having dustproof effect.
Wherein, the lower surface of the upper seat plate 2 is a concave cambered surface and is welded with a stainless steel cambered surface sliding plate, the upper surface of the middle seat plate 3 is a convex cambered surface, and a nonmetal cambered surface sliding plate is embedded on the upper surface of the middle seat plate to form an upper cambered surface friction pair; the upper surface of the lower seat plate 4 is a concave cambered surface and is welded with a stainless steel cambered surface sliding plate, the lower surface of the middle seat plate 3 is a convex cambered surface, and a nonmetal cambered surface sliding plate is embedded on the convex cambered surface to form a lower cambered surface friction pair; 2 cambered surface friction pairs realize the functions of vertical rotation, horizontal sliding and resetting of the longitudinal bridge of the support;
the stainless steel plane sliding plate welded on the lower surface of the top plate 1 and the nonmetal plane sliding plate embedded on the upper surface of the upper seat plate 2 form a support horizontal direction rotation friction pair, so that the support horizontal rotation function is realized.
A buckling type slideway structure formed by matching a sliding chute and a sliding block is designed between every two plate combinations of a top plate 1, an upper seat plate 2, a middle seat plate 3 and a lower seat plate 4 of the support, so that the support has a tensile function all the time in the sliding process; a concentric arc-shaped buckling type slideway structure is arranged on four sides between the top plate 1 and the upper seat plate 2, so that the tensile stress state of the support after longitudinal sliding is improved.
The support realizes horizontal reciprocating sliding through the synthetic action of the double cambered surfaces. In the reciprocating sliding process, the earthquake energy is dissipated through the friction resistance of the sliding surface, the self-vibration period of the structure is prolonged, and the earthquake reduction and isolation effect is achieved. After the earthquake, the self weight of the upper structure forms restoring force, so that the support is reset.
Under normal conditions, the support of the embodiment can realize the functions of longitudinal bridge displacement and vertical rotation by the combined action of the double arc surfaces; the plane can realize the function of rotating the design value in the horizontal direction; the functions of shock absorption and isolation and automatic reset after shock are realized during earthquake; the support all possesses tensile commentaries on classics function at whole operation in-process.
Claims (6)
1. The utility model provides a double pendulum formula friction pendulum support that possesses tensile and horizontal rotation function which characterized in that: comprises a top plate (1), an upper seat plate (2), a middle seat plate (3) and a lower seat plate (4);
the top plate (1) is arranged above the upper seat plate (2), the lower surface of the top plate (1) is a plane, stop blocks with concentric circular arc-shaped sliding grooves (5) are arranged on four sides of the top plate (1), the circular radiuses of two opposite concentric circular arc-shaped sliding grooves (5) are the same, the upper surface of the upper seat plate (2) is a plane matched with the lower surface of the top plate (1), a plane friction pair (6) is arranged between the upper seat plate (2) and the top plate (1), circular arc-shaped sliding blocks (11) which are respectively arranged in the concentric circular arc-shaped sliding grooves (5) on the corresponding side are arranged on the periphery of the upper part of the upper seat plate (2), and the circular arc-shaped sliding blocks (11) are matched with the concentric circular arc-shaped sliding grooves (5) on the same side to form a tensile buckling type horizontal rotating slideway structure;
the upper seat plate (2) is arranged above the middle seat plate (3), the lower surface of the upper seat plate (2) and the upper surface of the middle seat plate (3) are matched curved cambered surfaces along the longitudinal bridge direction, an upper cambered surface friction pair (8) is arranged between the upper seat plate (2) and the middle seat plate (3), two lateral bridge sides of the upper seat plate (2) are provided with stop blocks with upper cambered chutes (7), the upper cambered chutes (7) are in arc consistency with the lower surface of the upper seat plate (2), two upper lateral bridge sides of the middle seat plate (3) are provided with upper cambered slide blocks (12) arranged in the upper cambered chutes (7), the upper cambered slide blocks (12) are matched with the upper cambered chutes (7) in a matched mode, and a tensile buckling type vertical swinging slide way structure is formed;
well bedplate (3) set up the top in bedplate (4) down, the lower surface of well bedplate (3) and the upper surface of bedplate (4) down are the cambered surface of matching each other along the longitudinal bridge to the bending, be equipped with down cambered surface friction pair (10) between well bedplate (3) and bedplate (4) down, the horizontal bridge of well bedplate (3) is equipped with down arc slider (13) to the lower part both sides, the horizontal bridge of bedplate (4) is equipped with the dog that has down arc spout (9) to both sides, lower arc spout (9) are unanimous with the upper surface arc of bedplate (4) down, down arc slider (13) are matched with down arc spout (9) are identical, constitute tensile vertical swing slide structure of looks lock-type.
2. The double-pendulum friction pendulum support with tension and horizontal rotation functions of claim 1, wherein: the upper surface of the upper seat board (2) is a concave arc surface, and the upper surface of the middle seat board (3) is a convex arc surface matched with each other.
3. The double-pendulum friction pendulum support with tension and horizontal rotation functions of claim 1, wherein: the lower surface of the middle seat plate (3) is a convex cambered surface, and the upper surface of the lower seat plate (4) is a concave cambered surface matched with each other.
4. The double-pendulum friction pendulum support with tension and horizontal rotation functions of claim 1, wherein: the curvature radius of the upper surface of the lower seat plate (4) is the same as that of the lower surface of the upper seat plate (2).
5. The double-pendulum friction pendulum support with tension and horizontal rotation functions of claim 1, wherein: the plane friction pair (6), the upper cambered surface friction pair (8) and the lower cambered surface friction pair (10) are all composed of stainless steel sliding plates and nonmetal sliding plates.
6. The double-pendulum friction pendulum support with tension and horizontal rotation functions of claim 1, wherein: the longitudinal bridge length of the top plate (1) is consistent with that of the lower seat plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022775219.2U CN214530171U (en) | 2020-11-26 | 2020-11-26 | Double-pendulum type friction pendulum support with tensile and horizontal rotation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022775219.2U CN214530171U (en) | 2020-11-26 | 2020-11-26 | Double-pendulum type friction pendulum support with tensile and horizontal rotation functions |
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| Publication Number | Publication Date |
|---|---|
| CN214530171U true CN214530171U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022775219.2U Active CN214530171U (en) | 2020-11-26 | 2020-11-26 | Double-pendulum type friction pendulum support with tensile and horizontal rotation functions |
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| CN (1) | CN214530171U (en) |
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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. |