CN210216739U - Air spring-friction pendulum multidimensional shock insulation support - Google Patents
Air spring-friction pendulum multidimensional shock insulation support Download PDFInfo
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- CN210216739U CN210216739U CN201920809218.XU CN201920809218U CN210216739U CN 210216739 U CN210216739 U CN 210216739U CN 201920809218 U CN201920809218 U CN 201920809218U CN 210216739 U CN210216739 U CN 210216739U
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Abstract
The utility model discloses an air spring-friction pendulum multidimension isolation bearing, including the vertical shock insulation section of thick bamboo in top, the vertical shock insulation section of thick bamboo in bottom, ring flange, bag formula cord rubber layer, the vertical shock insulation section of thick bamboo anti-pulling plate in bottom, friction pendulum anti-pulling plate, friction pendulum bedplate base, friction pendulum anti-pulling plate, friction pendulum inner slide block, polytetrafluoroethylene board, rubber cushion pad, anchor bolt, spacing ring. The support adopts a friction pendulum shock isolation device in the horizontal direction, has a horizontal self-resetting function, can eliminate torsion to the maximum extent, and is provided with a horizontal limiting and buffering device; the air spring shock isolation device is vertically adopted in the support, the adjustable nonlinear static and dynamic stiffness is achieved, performance parameters can be adjusted by adjusting the internal pressure of the rubber air bag, and low-frequency earthquakes can be effectively isolated due to lower vertical stiffness. The utility model discloses installation, later maintenance convenience of air spring-friction pendulum multidimension shock insulation support, simple structure have whole resistance to plucking performance, can be used to building structure's shock insulation control.
Description
Technical Field
The utility model relates to a building structure shock insulation damping control technique, in particular to air spring-friction pendulum multidimension shock insulation support.
Background
The base isolation belongs to one of the passive control technologies of structural vibration, and the transmission of ground motion to an upper structure is controlled by additionally arranging isolation layers on a base and a building. The principle of the basic shock insulation of the structure is that a shock insulation support is utilized to prolong the basic self-vibration period of the structure, the basic period of the structure is staggered with the excellent period of the earthquake action, meanwhile, the deformation energy is concentrated in a shock insulation system, the energy of the earthquake input to the upper structure is reduced, the earthquake response of the structure is reduced, and better safety guarantee is provided for the earthquake protection of the structure. The earthquake not only has horizontal and vertical components but also has a rotation component as random vibration, and the multi-dimensional and randomness of earthquake motion are considered during design, so that the research and development of the multi-dimensional seismic isolation support are necessary.
The multidimensional vibration isolation support has the following characteristics: (1) the shock insulation support has moderate height and good stability; (2) the shock insulation support has the anti-pulling performance; (3) the shock insulation support can simultaneously isolate horizontal and vertical seismic oscillation; (4) the horizontal and vertical movements of the shock insulation support are not coupled; (5) the shock insulation support has the function of self-resetting after shock; (6) the shock insulation support has low rigidity and can effectively isolate low-frequency earthquakes.
At present, laminated rubber supports, friction sliding supports and the like commonly used in engineering have good horizontal shock insulation effects, but do not have a vertical shock insulation function. The existing multidimensional vibration isolation support mostly adopts a mode that a horizontal vibration isolation device such as a laminated rubber vibration isolation support and a friction pendulum is connected with a vertical vibration isolation device such as a disc spring and a hydraulic device in series, but the disc spring has high rigidity, so that only partial vibration isolation effect can be achieved under the action of vertical seismic motion, low-frequency earthquake cannot be effectively isolated, the hydraulic vibration isolation device needs large vertical height, and the stability of the support is difficult to ensure sufficiently. The above problems put certain constraints on the application of seismic isolation techniques.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies in the prior art and providing an air spring-friction pendulum multidimensional shock insulation support which can effectively reduce the earthquake damage of the structure.
The utility model adopts the technical proposal that: an air spring-friction pendulum multidimensional vibration isolation support comprises a vertical vibration isolation part and a horizontal vibration isolation part;
the vertical shock insulation part is positioned at the upper part of the support and comprises a guide cylinder and an air spring; the guide cylinder comprises a top vertical shock insulation cylinder and a bottom vertical shock insulation cylinder which are mutually connected, the bottom vertical shock insulation cylinder comprises a bottom vertical shock insulation cylinder base and a bottom vertical shock insulation cylinder anti-pulling plate fixedly connected to the top of the bottom vertical shock insulation cylinder base, and the bottom vertical shock insulation cylinder anti-pulling plate is matched with an outward convex edge of the bottom of the top vertical shock insulation cylinder to play a role in pulling resistance; the air spring is arranged between the top vertical shock-isolating cylinder and the bottom vertical shock-isolating cylinder;
the horizontal shock insulation part is positioned at the lower part of the support and comprises a friction pendulum anti-pulling plate, a friction pendulum lower support plate, a friction pendulum inner sliding block and a polytetrafluoroethylene plate; the friction swing lower support plate comprises a friction swing lower support plate base and a friction swing lower support plate anti-pulling plate fixedly connected to the top of the friction swing lower support plate base, and an arc sliding surface is arranged on the inner bottom surface of the friction swing lower support plate base; the friction pendulum anti-pulling plate is positioned inside the friction pendulum lower support plate and is matched with the friction pendulum lower support plate to play an anti-pulling role, and the upper part of the friction pendulum anti-pulling plate penetrates through the friction pendulum lower support plate anti-pulling plate and is fixedly connected with the bottom of the bottom end vertical shock insulation cylinder base; the lower part of the friction pendulum pulling-resistant plate is connected with the inner sliding block of the friction pendulum, the lower part of the inner sliding block of the friction pendulum is embedded with the polytetrafluoroethylene plate, and the bottom surface of the polytetrafluoroethylene plate is in contact with the upper surface of the circular arc sliding surface and can freely slide on the circular arc sliding surface.
Furthermore, the bottom end vertical shock insulation cylinder base and the bottom end vertical shock insulation cylinder anti-pulling plate are connected with each other through anti-pulling anchor bolts.
Furthermore, the air spring comprises a bag type cord rubber layer and two flange plates, the two flange plates are respectively positioned at the upper end and the lower end of the bag type cord rubber layer, and the upper edge and the lower edge of the bag type cord rubber layer are respectively connected with the flange plates through anchor bolts.
Further, the friction swing lower support plate base and the friction swing lower support plate anti-pulling plate are connected with each other through anti-pulling anchor bolts.
Furthermore, a round hole for connecting the friction pendulum anti-pulling plate with the bottom vertical shock insulation cylinder base is formed in the friction pendulum anti-pulling plate, the outer diameter of the friction pendulum anti-pulling plate is larger than the inner diameter of the round hole, so that the friction pendulum anti-pulling plate is always located at the lower portion of the friction pendulum anti-pulling plate, and the anti-pulling effect is achieved.
Furthermore, a horizontal limiting and buffering device is arranged on the friction pendulum bottom support plate and comprises a limiting ring and a buffer rubber pad, the limiting ring is arranged at the edge of the arc sliding surface of the base of the friction pendulum bottom support plate, and a circle of the buffer rubber pad is arranged along the inner surface of the limiting ring.
Furthermore, the lower part of the inner sliding block of the friction pendulum is provided with a circular groove, the polytetrafluoroethylene plate is embedded in the groove, the groove and the polytetrafluoroethylene plate are concentrically arranged and have the same diameter, and the depth of the groove is smaller than the thickness of the polytetrafluoroethylene plate.
Furthermore, glue is coated on the contact surface of the polytetrafluoroethylene plate and the inner sliding block of the friction pendulum for bonding, so that the polytetrafluoroethylene plate and the inner sliding block of the friction pendulum are not separated when the support works.
Furthermore, the bottom surface of the polytetrafluoroethylene plate and the upper surface of an arc sliding surface on the base of the friction swing lower support plate have the same curvature, and the upper surface of the arc sliding surface is coated with a low-friction material so as to ensure that the polytetrafluoroethylene plate can freely slide on the upper surface of the arc sliding surface.
Further, the surface of the polytetrafluoroethylene is pressed into a silicone grease oil storage pit so as to reduce the friction of the support on the polytetrafluoroethylene plate in the use process.
The utility model has the advantages that: the utility model relates to an air spring-friction pendulum multidimensional shock insulation support, which is fixed relative to the rigidity and damping of the traditional passive shock insulation system, and the vertical shock insulation system of the air spring has adjustable nonlinear static and dynamic rigidity; the performance parameters are adjustable, and the rigidity and the bearing capacity can be adjusted by adjusting the internal pressure of the rubber air bag; the vertical rigidity is little, and the shock insulation frequency is low, also can effectively exert the shock insulation effect when inputing low frequency earthquake. The friction pendulum vibration isolation device adopted by the horizontal vibration isolation system has a horizontal self-resetting function, can eliminate torsion to the maximum extent, and is provided with a horizontal limiting and buffering device. The multidimensional support can effectively reduce the horizontal rigidity and the vertical rigidity of the structure, stably dissipate seismic energy, and meanwhile, the installation and the later maintenance are convenient, the structure is simple, and great economic benefits are achieved.
Drawings
FIG. 1: the utility model relates to a schematic plane structure diagram of an air spring-friction pendulum multidimensional vibration isolation support horizontal vibration isolation device;
FIG. 2: the utility model relates to a schematic plan structure diagram of a vertical shock isolation device of an air spring-friction pendulum multidimensional shock isolation support;
FIG. 3: the utility model relates to a vertical A-A section structure sketch map of air spring-friction pendulum multidimension isolation bearing.
The attached drawings are marked as follows: 1. a top vertical shock-isolation cylinder; 2. a bottom end vertical shock insulation cylinder base; 3. a flange plate; 4. a bladder cord rubber layer; 5. the bottom end of the vertical shock insulation cylinder anti-pulling plate is provided with a vertical shock insulation cylinder anti-pulling plate; 6. rubbing the pendulum pulling-resistant plate; 7. a seat plate base is arranged under the friction pendulum; 8. the support plate is swung down by friction to prevent the plate from being pulled out; 9. a friction pendulum inner slide block; 10. a polytetrafluoroethylene sheet; 11. a cushion rubber pad; 12. an anchor bolt; 13. a pullout resistant anchor bolt; 14. a limit ring.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
as shown in attached figures 1 to 3, the air spring-friction pendulum multidimensional vibration isolation support comprises a vertical vibration isolation part and a horizontal vibration isolation part, and the support is generally cylindrical.
The vertical shock insulation part adopts an air spring shock insulation device, has adjustable nonlinear static and dynamic stiffness, performance parameters of the vertical shock insulation part can be adjusted by adjusting the internal pressure of the bag type cord rubber layer 4, and low-frequency earthquakes can be effectively isolated due to lower vertical stiffness. The vertical shock insulation part is positioned at the upper part of the support and comprises a guide cylinder and an air spring. The guide cylinder is composed of a top vertical shock-isolating cylinder 1 and a bottom vertical shock-isolating cylinder which are concentrically arranged. The vertical shock insulation cylinder in bottom comprises a vertical shock insulation cylinder base 2 in bottom and a bottom vertical shock insulation cylinder anti-pulling plate 5 located at the top of the vertical shock insulation cylinder base 2 in bottom, the vertical shock insulation cylinder base 2 in bottom and the bottom vertical shock insulation cylinder anti-pulling plate 5 in bottom are provided with bolt holes, and the vertical shock insulation cylinder base in bottom and the bottom vertical shock insulation cylinder anti-pulling plate are connected through anti-pulling anchor bolts 13. The air spring is composed of a bag type cord rubber layer 4 and two flange plates 3, the two flange plates 3 are respectively positioned at the upper end and the lower end of the bag type cord rubber layer 4, the upper edge and the lower edge of the bag type cord rubber layer 4 and the flange plates 3 are provided with bolt holes and are connected through anchor bolts 12, and meanwhile, the two flange plates 3 are respectively fixed on the top vertical shock insulation cylinder 1 and the bottom vertical shock insulation cylinder base 2 through the anchor bolts 12; the air spring is arranged between the top end vertical shock-isolating cylinder 1 and the bottom end vertical shock-isolating cylinder.
The horizontal shock insulation part adopts a friction pendulum shock insulation device, has a horizontal self-resetting function, can eliminate torsion to the maximum extent, and is provided with a horizontal limiting and buffering device. The horizontal shock insulation part is positioned at the lower part of the support and comprises a friction pendulum anti-pulling plate 6, a friction pendulum lower support plate, a friction pendulum inner slide block 9, a polytetrafluoroethylene plate 10, a horizontal limiting ring 14 and a buffer rubber pad 11. The friction pendulum bottom suspension support plate is composed of a friction pendulum bottom suspension support plate base 7 and a friction pendulum bottom suspension support plate anti-pulling plate 8 located at the top of the friction pendulum bottom suspension support plate base 7, bolt holes are formed in the friction pendulum bottom suspension support plate base 7 and the friction pendulum bottom suspension support plate anti-pulling plate 8, and the friction pendulum bottom suspension support plate base 7 and the friction pendulum bottom suspension support plate anti-pulling plate 8 are connected through anti-pulling anchor bolts 13. The inner bottom surface of the friction swing lower support plate base 7 is provided with an arc sliding surface. Friction pendulum pulling-resistant board 6 is located the inside of friction pendulum bedplate down, the upper portion of friction pendulum pulling-resistant board 6 is passed friction pendulum bedplate pulling-resistant board 8 with the bottom fixed connection of the vertical shock insulation section of thick bamboo base 2 in bottom, the sub-unit connection of friction pendulum pulling-resistant board 6 slider 9 in the friction pendulum, circular recess has been seted up to the lower part of slider 9 in the friction pendulum, it has polytetrafluoroethylene board 10 to inlay in the recess, the recess with polytetrafluoroethylene board 10 arranges with one heart and the diameter is the same, the degree of depth of recess is less than polytetrafluoroethylene board 10's thickness. The bottom surface of the polytetrafluoroethylene plate 10 and the upper surface of the circular arc sliding surface on the friction pendulum bottom bracket plate base 7 have the same curvature, and the upper surface of the circular arc sliding surface is coated with a low-friction material (the low-friction material can be polytetrafluoroethylene, modified ultrahigh molecular weight polyethylene and the like), so that the polytetrafluoroethylene plate 10 can be ensured to freely slide on the upper surface of the circular arc sliding surface of the friction pendulum bottom bracket plate base 7.
The bottom end vertical shock insulation cylinder base 2 and the bottom end vertical shock insulation cylinder anti-pulling plate 5 are provided with bolt holes with the same aperture; the hole diameters of bolt holes formed in the friction swing lower support plate base 7 and the friction swing lower support plate anti-pulling plate 8 are the same; the top surface of the top vertical shock insulation cylinder 1, the bottom surface of the bottom vertical shock insulation cylinder base 2, the upper edge and the lower edge of the bag type cord rubber layer 4 and the bolt hole formed in the flange plate 3 are the same in aperture.
The arc sliding surface of the base 7 of the friction pendulum lower support plate enables the support to have certain self-resetting capability, and residual displacement can be effectively reduced after the support is shaken. The polytetrafluoroethylene plate 10 can freely slide on the upper surface of the bottom of the friction pendulum lower support plate, and the torsional response of the upper structure of the seismic isolation layer can be effectively reduced.
Because the polytetrafluoroethylene plate 10 is an easily-rubbing material with an extremely low friction coefficient, in order to reduce the friction of the support to the polytetrafluoroethylene plate 10 in the use process, a silicone grease oil storage pit is pressed on the surface of the polytetrafluoroethylene plate.
In order to ensure that the polytetrafluoroethylene plate 10 and the inner sliding block 9 of the friction pendulum are not separated when the support works, glue such as 502 is smeared on the contact surface of the polytetrafluoroethylene plate 10 and the inner sliding block 9 of the friction pendulum for bonding.
The anti-pulling structure formed by the anti-pulling plate 5 of the bottom vertical shock-insulation cylinder and the convex edge at the bottom end of the top vertical shock-insulation cylinder 1 can effectively play a role in anti-pulling; the friction pendulum bottom suspension seat plate anti-pulling plate 8 is provided with a round hole for connecting the friction pendulum anti-pulling plate 6 with the bottom vertical shock insulation cylinder base 2, the outer diameter of the friction pendulum anti-pulling plate 6 is larger than the inner diameter of the round hole, so that the friction pendulum anti-pulling plate 6 is always located at the lower part of the friction pendulum bottom suspension seat plate anti-pulling plate 8, the friction pendulum anti-pulling plate 6 and the friction pendulum bottom suspension seat plate anti-pulling plate 8 can effectively play a role in combined action, and therefore the whole support has anti-pulling performance.
Wherein, because horizontal shock insulation part adopts friction pendulum shock insulation, avoids support horizontal slip displacement great, the utility model discloses set up on the friction pendulum bedplate down spacing and buffer of level. The horizontal limiting and buffering device comprises a limiting ring 14 and a buffering rubber pad 11, wherein the limiting ring 14 is arranged at the edge of the arc sliding surface of the friction swing lower support plate base 7, and the buffering rubber pad 11 is arranged in a circle along the inner surface of the limiting ring 14.
The vertical shock insulation part adopts an air spring shock insulation device, and if a group of air springs cannot meet the requirements of the vertical bearing capacity and the rigidity of the support, the vertical bearing capacity and the vertical rigidity of the support can be increased by adopting a method of connecting a plurality of groups of air springs in parallel.
The friction coefficient of a contact surface, the radius of an arc curved surface and the design horizontal displacement which are required by the design of the horizontal seismic force borne by the support are required. The equivalent basic period of the friction pendulum vibration isolation device only depends on the radius of the arc curved surface, the friction coefficient of the contact surface and the design horizontal displacement, and is independent of some parameters of the upper structure.
According to the support structure and the assembling procedure, the vertical shock insulation part and the horizontal shock insulation part can be processed. Firstly, all main parts are processed and then assembled, and the main steps can be summarized as follows:
(1) firstly, an air spring is arranged between a top vertical shock insulation cylinder 1 and a bottom vertical shock insulation cylinder;
(2) connecting the bottom end vertical shock insulation cylinder anti-pulling plate 5 with the bottom end vertical shock insulation cylinder base 2 through an anti-pulling anchor bolt 13, and finishing the installation of the vertical shock insulation part;
(3) placing the vertical shock insulation part on the upper part of a friction pendulum inner slide block 9, then placing a polytetrafluoroethylene plate 10 in a groove of the friction pendulum inner slide block 9, and further placing the part on a friction pendulum lower support plate base 7;
(4) connecting the friction swing lower support plate anti-pulling plate 8 with the friction swing lower support plate base 7 through an anti-pulling anchor bolt 13, and finishing the installation of the horizontal shock insulation part;
a friction pendulum shock insulation system is horizontally adopted, when the support is subjected to horizontal shock insulation, the plane polytetrafluoroethylene plate 10 positioned at the lower end of the inner sliding block 9 of the friction pendulum slides with the upper surface of the lower support plate base 7 of the friction pendulum to generate horizontal relative displacement, and horizontal shock insulation is realized. Meanwhile, self-reset after earthquake can be realized by means of gravity, and horizontal displacement can be effectively controlled by means of the limiting ring 14 and the buffer rubber pad 11.
The vertical shock insulation structure is isolated by adopting an air spring, the air spring is positioned between the top vertical shock insulation cylinder 1 and the bottom vertical shock insulation cylinder, and under the action of a vertical earthquake, the air spring moves up and down in the top vertical shock insulation cylinder 1 and the bottom vertical shock insulation cylinder, so that the natural vibration frequency of the shock insulation structure is staggered with the frequency of input excitation, and thus the vertical shock insulation is realized. The support has a vertical anti-pulling function due to the square-shaped limiting structure consisting of the top vertical shock-isolating cylinder 1 and the bottom vertical shock-isolating cylinder.
Under the action of multidimensional earthquake, the support is required to realize decoupling horizontally and vertically in order to ensure reliable working performance, namely, the horizontal movement and the vertical movement of the support are not interfered with each other. In the horizontal direction, the vertical rigidity of the horizontal shock isolation device is far greater than that of the air spring, so that the overall vertical rigidity of the support depends on the vertical rigidity of the vertical shock isolation device; in the vertical direction, due to the square-shaped structures of the top vertical shock insulation cylinder 1 and the bottom vertical shock insulation cylinder base 2, the horizontal rigidity of the vertical shock insulation device is far greater than that of the horizontal spiral spring, and therefore the horizontal rigidity of the whole support depends on the horizontal rigidity of the horizontal shock insulation device.
The utility model provides an air spring-friction pendulum multidimension shock insulation support installation, later maintenance are convenient, and simple structure has whole resistance to plucking performance, can be used to building structure's shock insulation control.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (10)
1. An air spring-friction pendulum multidimensional vibration isolation support is characterized by comprising a vertical vibration isolation part and a horizontal vibration isolation part;
the vertical shock insulation part is positioned at the upper part of the support and comprises a guide cylinder and an air spring; the guide cylinder comprises a top vertical shock insulation cylinder (1) and a bottom vertical shock insulation cylinder which are mutually connected, the bottom vertical shock insulation cylinder comprises a bottom vertical shock insulation cylinder base (2) and a bottom vertical shock insulation cylinder anti-pulling plate (5) fixedly connected to the top of the bottom vertical shock insulation cylinder base (2), and the bottom vertical shock insulation cylinder anti-pulling plate (5) is matched with an outward convex edge of the bottom of the top vertical shock insulation cylinder (1) to play a role in anti-pulling; the air spring is arranged between the top vertical shock-isolating cylinder (1) and the bottom vertical shock-isolating cylinder;
the horizontal shock insulation part is positioned at the lower part of the support and comprises a friction pendulum anti-pulling plate (6), a friction pendulum lower support plate, a friction pendulum inner sliding block (9) and a polytetrafluoroethylene plate (10); the friction swing lower support plate comprises a friction swing lower support plate base (7) and a friction swing lower support plate anti-pulling plate (8) fixedly connected to the top of the friction swing lower support plate base (7), and an arc sliding surface is arranged on the inner bottom surface of the friction swing lower support plate base (7); the friction pendulum anti-pulling plate (6) is positioned inside the friction pendulum bottom support plate and is matched with the friction pendulum bottom support plate anti-pulling plate (8) to play an anti-pulling role, and the upper part of the friction pendulum anti-pulling plate (6) penetrates through the friction pendulum bottom support plate anti-pulling plate (8) and is fixedly connected with the bottom of the bottom end vertical shock insulation cylinder base (2); the lower part of board (6) is resisted to friction pendulum slider (9) in the friction pendulum, the lower part of slider (9) has inlayed in the friction pendulum polytetrafluoroethylene board (10), the bottom surface of polytetrafluoroethylene board (10) with the upper surface on circular arc glide plane contacts and can freely slide on the circular arc glide plane.
2. The air spring-friction pendulum multidimensional vibration-isolating support as claimed in claim 1, wherein the bottom end vertical vibration-isolating cylinder base (2) and the bottom end vertical vibration-isolating cylinder anti-pulling plate (5) are connected with each other through anti-pulling anchor bolts (13).
3. The air spring-friction pendulum multidimensional seismic isolation bearing according to claim 1, wherein the air spring comprises a bag type cord rubber layer (4) and a flange plate (3), two flange plates (3) are arranged and are respectively positioned at the upper end and the lower end of the bag type cord rubber layer (4), and the upper edge and the lower edge of the bag type cord rubber layer (4) are respectively connected with the flange plate (3) through anchoring bolts (12).
4. The air spring-friction pendulum multidimensional seismic isolation bearing according to claim 1, wherein the friction pendulum lower bearing plate base (7) and the friction pendulum lower bearing plate anti-pulling plate (8) are connected with each other through an anti-pulling anchor bolt (13).
5. The air spring-friction pendulum multidimensional vibration-isolating support is characterized in that a circular hole for connecting the friction pendulum anti-pulling plate (6) with the bottom end vertical vibration-isolating cylinder base (2) is formed in the friction pendulum anti-pulling plate (8), the outer diameter of the friction pendulum anti-pulling plate (6) is larger than the inner diameter of the circular hole, so that the friction pendulum anti-pulling plate (6) is always positioned at the lower part of the friction pendulum anti-pulling plate (8) to play a role in resisting pulling.
6. The air spring-friction pendulum multidimensional vibration isolation bearing according to claim 1, wherein a horizontal limiting and buffering device is arranged on the friction pendulum bottom bearing plate, the horizontal limiting and buffering device comprises a limiting ring (14) and a buffering rubber pad (11), the limiting ring (14) is arranged at the edge of the arc sliding surface of the friction pendulum bottom bearing plate base (7), and the buffering rubber pad (11) is arranged in a circle along the inner surface of the limiting ring (14).
7. The air spring-friction pendulum multidimensional vibration isolation bearing is characterized in that a circular groove is formed in the lower portion of the inner sliding block (9) of the friction pendulum, the polytetrafluoroethylene plate (10) is embedded in the groove, the groove and the polytetrafluoroethylene plate (10) are concentrically arranged and have the same diameter, and the depth of the groove is smaller than the thickness of the polytetrafluoroethylene plate (10).
8. The air spring-friction pendulum multidimensional vibration isolation bearing is characterized in that the contact surfaces of the polytetrafluoroethylene plate (10) and the inner friction pendulum sliding block (9) are coated with glue for bonding so as to ensure that the polytetrafluoroethylene plate (10) and the inner friction pendulum sliding block (9) are not separated when the bearing works.
9. The air spring-friction pendulum multidimensional vibration isolation bearing according to claim 1, wherein the bottom surface of the polytetrafluoroethylene plate (10) and the upper surface of the circular arc sliding surface on the friction pendulum bottom bearing plate base (7) have the same curvature, and the upper surface of the circular arc sliding surface is coated with a low friction material to ensure that the polytetrafluoroethylene plate (10) slides freely on the upper surface of the circular arc sliding surface.
10. An air spring-friction pendulum multidimensional vibration isolation bearing according to claim 1, wherein the surface of the polytetrafluoroethylene is pressed into a silicone grease oil storage pit to reduce the friction of the bearing on the polytetrafluoroethylene plate (10) during use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809218.XU CN210216739U (en) | 2019-05-31 | 2019-05-31 | Air spring-friction pendulum multidimensional shock insulation support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809218.XU CN210216739U (en) | 2019-05-31 | 2019-05-31 | Air spring-friction pendulum multidimensional shock insulation support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130500A (en) * | 2019-05-31 | 2019-08-16 | 天津大学 | A kind of air spring-friction pendulum multidimensional shock insulation support |
| CN112459588A (en) * | 2020-12-03 | 2021-03-09 | 贵溪市富泰防水科技有限公司 | High-stability buffering shock-insulation type rubber support |
-
2019
- 2019-05-31 CN CN201920809218.XU patent/CN210216739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130500A (en) * | 2019-05-31 | 2019-08-16 | 天津大学 | A kind of air spring-friction pendulum multidimensional shock insulation support |
| CN112459588A (en) * | 2020-12-03 | 2021-03-09 | 贵溪市富泰防水科技有限公司 | High-stability buffering shock-insulation type rubber support |
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