CN218176215U - Anti-separation friction pendulum shock insulation support - Google Patents
Anti-separation friction pendulum shock insulation support Download PDFInfo
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- CN218176215U CN218176215U CN202222687061.2U CN202222687061U CN218176215U CN 218176215 U CN218176215 U CN 218176215U CN 202222687061 U CN202222687061 U CN 202222687061U CN 218176215 U CN218176215 U CN 218176215U
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Abstract
The utility model relates to a separation prevention friction pendulum isolation bearing belongs to the shock insulation technology field. The spherical cap body is an axial elastic body and comprises an upper spherical cap body and a lower spherical cap body which are buckled together in an opposite way, the bottom of the upper spherical cap body and the top of the lower spherical cap body are both provided with a circular counter bore and a circular groove in an opposite way, a guide shaft is arranged in the circular counter bore in the opposite way, and a spring is arranged in the circular groove in the opposite way; the guide shaft is arranged at the center of the spherical crown body, and the circular grooves provided with the springs are in a plurality of groups and are uniformly distributed on the periphery of the guide shaft in a ring shape. When the support produces the pulling force, the utility model discloses enable friction pendulum support still to keep compression state.
Description
Technical Field
The utility model belongs to the technical field of the shock insulation, in particular to prevent separation friction pendulum isolation bearing.
Background
The friction pendulum vibration isolation support has the unique advantages that the vibration isolation period is not influenced by gravity load, the performance is reliable, the product quality is easy to control, the automatic reset can be realized after the vibration, and the like, and the application is more and more extensive. When rare earthquakes occur, the building structure can generate overturning moment, and the overturning moment can possibly increase the load of some supports greatly; the load of some supports is greatly reduced, and even tensile force appears. Because the friction pendulum isolation bearing can not bear the tensile force, the measure solved at home and abroad at present adopts the tensile friction pendulum isolation bearing, and although the tensile friction pendulum isolation bearing can bear the tensile force, the tensile friction pendulum isolation bearing has a complex structure and higher cost.
The national standard GB/T51408-2021 building seismic isolation design Standard clearly stipulates that a friction pendulum seismic isolation support or other supports which cannot bear vertical tension are suitable to be kept in a compressed state. When the friction pendulum vibration isolation support cannot keep a pressed state, the spherical crown bodies positioned in the middle of the upper seat plate and the lower seat plate cannot keep correct positions along with the relative motion of the upper seat plate and the lower seat plate, and the friction pendulum support loses the vibration isolation function even under the extreme condition of damage due to the uncertainty of the positions of the spherical crown bodies. The use of the friction pendulum vibration isolation support is severely restricted due to the deficiency of the friction pendulum vibration isolation support. When the support generates tensile force, the friction pendulum vibration isolation support can still keep a pressed state, and the friction pendulum vibration isolation support has great significance for popularization and application of the friction pendulum vibration isolation support.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a prevent separating friction pendulum isolation bearing, it can be under rare meeting earthquake action, and friction pendulum bearing still keeps the friction pendulum isolation bearing of pressurized state when the support produces the pulling force, makes the shock insulation function normal performance of friction pendulum isolation bearing, makes building structure lose minimum under rare meeting earthquake action.
The purpose of the utility model is realized mainly through the following technical scheme:
an anti-separation friction pendulum seismic isolation support comprises an upper seat plate, a lower seat plate and a spherical crown body between the upper seat plate and the lower seat plate, wherein the spherical crown body is an axial elastic body and comprises an upper spherical crown body and a lower spherical crown body which are buckled together in an opposite mode, circular counter bores and circular grooves are oppositely arranged at the bottom of the upper spherical crown body and at the top of the lower spherical crown body, a guide shaft is arranged in the circular counter bores which are oppositely arranged, and a spring is arranged in the circular grooves which are oppositely arranged; the guide shaft is arranged at the center of the spherical crown body, and the circular grooves provided with the springs are distributed on the periphery of the guide shaft in multiple groups.
Further, the spring is a disc spring, a spiral spring or a polyurethane spring; the disk springs are arranged in an involutory mode or an overlapping mode.
Furthermore, the guide shaft is a cylinder in clearance fit with the circular counter bore; (ii) a Still be provided with the position sleeve in the circular recess, the position sleeve cover is established in the spring outside.
Furthermore, the lower part of the upper seat plate is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is provided with an annular retainer ring, the upper part of the upper seat plate is provided with uniformly distributed flanges, and the flanges are provided with mounting holes; the upper part of the lower seat plate is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is also provided with an annular retainer ring, the lower part of the lower seat plate is also provided with flanges which are uniformly distributed, and the flanges are also provided with mounting holes.
Furthermore, tetrafluoro sliding plates are arranged on the upper surface of the upper spherical crown body and the lower surface of the lower spherical crown body, and the tetrafluoro sliding plates are nested in the grooves on the upper surface of the upper spherical crown body and the grooves below the lower spherical crown body.
Furthermore, a temporary connecting frame is further arranged on the outer side of the separation-preventing friction pendulum seismic isolation support, one end of the temporary connecting frame is fixed with the upper seat plate through bolts, and the other end of the temporary connecting frame is fixed with the lower seat plate through bolts.
Another anti-separation friction pendulum vibration isolation support comprises an upper seat plate, a lower seat plate and a spherical crown body between the upper seat plate and the lower seat plate, wherein the spherical crown body is an axial elastic body and comprises an upper spherical crown body and a lower spherical crown body which are buckled together in an opposite mode, the bottom of the upper spherical crown body and the top of the lower spherical crown body are respectively and oppositely provided with a circular counter bore and a circular groove, a guide shaft is arranged in the circular counter bore which is oppositely arranged, and an annular spring is arranged in the circular groove which is oppositely arranged; the circular groove and the spring in the circular groove are arranged around the periphery of a circular counter bore with a guide shaft, so that a group of elastic body units are formed; the elastomer units are distributed on the spherical crown body in a plurality of groups.
Further, the spring is a disc spring, a spiral spring or a polyurethane spring; the disc springs are arranged in an involutory manner or an overlapping manner; the guide shaft is a cylinder in clearance fit with the circular counter bore.
Furthermore, the lower part of the upper seat plate is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is provided with an annular retainer ring, the upper part of the upper seat plate is provided with uniformly distributed flanges, and the flanges are provided with mounting holes; the upper part of the lower seat plate is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is also provided with an annular retainer ring, the lower part of the lower seat plate is also provided with uniformly distributed flanges, and the flanges are also provided with mounting holes; the upper surface of the upper spherical crown body and the lower surface of the lower spherical crown body are both provided with tetrafluoro sliding plates which are nested in the grooves on the upper surface of the upper spherical crown body and the grooves below the lower spherical crown body.
Furthermore, a temporary connecting frame is further arranged on the outer side of the anti-separation friction pendulum seismic isolation support, one end of the temporary connecting frame is fixed with the upper seat plate through a bolt, and the other end of the temporary connecting frame is fixed with the lower seat plate through a bolt.
Compared with the prior art, the utility model discloses following technological effect has been obtained:
firstly, the method comprises the following steps: the working mechanism of the building friction pendulum seismic isolation support is improved. Relevant national standards clearly stipulate that' the friction pendulum seismic isolation support or other supports which cannot bear vertical tension are suitable to be kept in a compressed state. "current friction pendulum isolation bearing can't keep the pressurized state when tensile appearing. The utility model discloses a friction pendulum isolation bearing has realized that the support still keeps the compression state when the pulling force appears, and its theory of operation realizes breaking through.
Secondly, the method comprises the following steps: the use reliability of the building friction pendulum seismic isolation support can be improved. GB/T51408 building isolation design Standard has clear fortification target in isolation buildings: "when the special defense building suffers from an extremely rare earthquake, the special defense building does not collapse or seriously damage the life. The friction pendulum vibration isolation support has no tension when being designed and calculated according to rare earthquake, but if tension occurs when ultra-rare earthquake occurs, the spherical cap body of the friction pendulum vibration isolation support cannot normally slide, and the position of the spherical cap body is uncertain, so that the friction pendulum support loses the vibration isolation function, and even the extreme condition of damage occurs. The utility model discloses a friction pendulum isolation bearing can avoid the emergence of above-mentioned condition, and the reliability improves by a wide margin.
Thirdly, the steps of: the short plate of the existing friction pendulum building shock insulation support is overcome, and the application range of the shock insulation support can be enlarged. Building shock insulation rubber support allows the tensile stress that is not more than 1MPa to appear, but building friction pendulum shock insulation support requires to keep the pressurized state, and both contrast building friction pendulum shock insulation support and have obvious short slab, the utility model discloses a this short slab has been overcome to building friction pendulum shock insulation support, and tensile stress can reach 1.5MPa.
Fourthly: building structure support when super rare chance earthquake takes place produces the pulling force after, can produce the impact force when reseing, and this patent support can play vertical cushioning effect simultaneously to support and structure.
Fifth, the method comprises the following steps: compared with a tensile building friction pendulum seismic isolation support, the product cost is greatly reduced.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the figures.
FIG. 1 is a schematic structural view of a first anti-separation friction pendulum seismic isolation bearing of the present invention;
fig. 2 is a top view of fig. 1 according to the present invention;
figure 3 is a perspective view of figure 1 of the present invention;
FIG. 4 is a schematic structural view of a spherical cap body of a second anti-separation friction pendulum seismic isolation bearing of the present invention;
FIG. 5 is a schematic structural view of a third anti-separation friction pendulum seismic isolation bearing of the present invention;
FIG. 6 is a schematic structural view of a fourth anti-separation friction pendulum seismic isolation bearing of the present invention;
fig. 7 is a perspective view of fig. 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-7 and specific examples, which are provided for comparison and explanation purposes only, and the present invention is not limited to these examples.
Example 1
As shown in fig. 1-3, the anti-separation friction pendulum seismic isolation support of the embodiment includes an upper seat plate 1, a lower seat plate 2, and a spherical cap body therebetween, wherein the spherical cap body is an axial elastic body, and includes an upper spherical cap body 3 and a lower spherical cap body 4 that are buckled together, circular counter bores and circular grooves are oppositely arranged at the bottom of the upper spherical cap body 3 and at the top of the lower spherical cap body 4, a guide shaft 5 is arranged in the circular counter bores that are oppositely arranged, a spring 6 is arranged in the circular grooves that are oppositely arranged, and the spring 6 is a single-layer disc spring that is oppositely arranged. The guide shaft 5 is arranged at the center of the spherical crown body and is a cylinder in clearance fit with the circular counter bore. As shown in fig. 3, in the present embodiment, the circular grooves provided with the springs 6 are 8 groups, and are uniformly distributed on the outer periphery of the guide shaft 5 in a circular ring shape.
As shown in fig. 1-2, the lower portion of the upper seat plate 1 of the present embodiment is an inward concave spherical surface, the periphery of the inward concave spherical surface is provided with an annular retainer ring 12, the upper portion of the upper seat plate is provided with evenly distributed flanges 11, and the flanges 11 are provided with mounting holes. The upper part of the lower seat plate 2 is an inner concave spherical surface, the periphery of the inner concave spherical surface is also provided with an annular retainer ring 12, the lower part of the lower seat plate is also provided with evenly distributed flanges 11, and the flanges 11 are also provided with mounting holes. The upper surface of the upper spherical crown body and the lower surface of the lower spherical crown body are both provided with tetrafluoro sliding plates 7, and the tetrafluoro sliding plates 7 are nested in the grooves on the upper surface of the upper spherical crown body and the grooves below the lower spherical crown body. As shown in fig. 3, a temporary connecting frame is further arranged on the outer side of the anti-separation friction pendulum seismic isolation support, one end of the temporary connecting frame is fixed with the upper seat plate 1 through a bolt, and the other end of the temporary connecting frame is fixed with the lower seat plate 2 through a bolt.
Example 2
As shown in fig. 4, in the second anti-separation friction pendulum seismic isolation bearing of this embodiment, the spring 6 in the circular groove is a coil spring, and a positioning sleeve 10 is further disposed in the circular groove, and the positioning sleeve 10 is sleeved outside the coil spring. The other structures are the same as those of embodiment 1, and are not described in detail here.
Example 3
As shown in fig. 5, in the third anti-separation friction pendulum vibration isolation bearing of this embodiment, the spring 6 is a multi-layer disc spring disposed in an involutory manner. The other structures are the same as those of embodiment 1, and are not described in detail here.
Example 4
As shown in fig. 6-7, in the fourth anti-separation friction pendulum vibration isolation bearing of this embodiment, an annular spring 6 is disposed in the annular groove disposed opposite to the first groove. The spring 6 is a multi-layer disc spring arranged in an involutory mode. A circular groove and a spring 6 therein surround a circular counter bore provided with a guide shaft 5, thereby forming a group of elastomer units. The elastomer units are in multiple groups and are uniformly distributed on the spherical crown body. A positioning sleeve 10 is further arranged in the circular groove, and the positioning sleeve 10 is sleeved on the outer side of the spring 6. The other structures are the same as those of embodiment 1, and are not described in detail here.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an anti-separation friction pendulum isolation bearing, includes upper seat board (1), lower seat board (2) and the spherical crown body between the two, the spherical crown body is the axial elastomer, including last spherical crown body (3) and lower spherical crown body (4) that the butt joint is in the same place, its characterized in that: the bottom of the upper spherical crown body (3) and the top of the lower spherical crown body (4) are respectively provided with a round counter bore and a round groove, the round counter bores which are oppositely arranged are internally provided with a guide shaft (5), and the round grooves which are oppositely arranged are internally provided with a spring (6); the guide shaft (5) is arranged at the center of the spherical crown body, and the circular grooves provided with the springs (6) are distributed on the periphery of the guide shaft (5) in multiple groups.
2. The anti-separation friction pendulum seismic isolation bearing according to claim 1, wherein: the spring (6) is a disc spring, a spiral spring or a polyurethane spring; the disk springs are arranged in an involutory mode or an overlapping mode.
3. The anti-separation friction pendulum seismic isolation bearing according to claim 1, wherein: the guide shaft (5) is a cylinder in clearance fit with the round counter bore; a positioning sleeve (10) is further arranged in the circular groove, and the positioning sleeve (10) is sleeved on the outer side of the spring (6).
4. The anti-separation friction pendulum seismic isolation bearing according to claim 1, wherein: the lower part of the upper seat plate (1) is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is provided with an annular retainer ring (12), the upper part of the upper seat plate is provided with evenly distributed flanges (11), and the flanges (11) are provided with mounting holes; the upper portion of lower bedplate (2) be the indent sphere, the periphery of indent sphere also is equipped with annular retaining ring (12), the lower part of lower bedplate also is equipped with evenly distributed flange (11), also is equipped with the mounting hole on flange (11).
5. The anti-separation friction pendulum seismic isolation bearing according to claim 4, wherein: the upper surface of the upper spherical crown body and the lower surface of the lower spherical crown body are both provided with tetrafluoro sliding plates (7), and the tetrafluoro sliding plates (7) are nested in the grooves on the upper surface of the upper spherical crown body and the grooves below the lower spherical crown body.
6. The anti-separation friction pendulum seismic isolation bearing according to claim 1, wherein: the outer side of the anti-separation friction pendulum seismic isolation support is also provided with a temporary connecting frame, one end of the temporary connecting frame is fixed with the upper seat plate (1) through a bolt, and the other end of the temporary connecting frame is fixed with the lower seat plate (2) through a bolt.
7. The utility model provides an anti-separation friction pendulum isolation bearing, includes upper seat board (1), lower seat board (2) and the spherical crown body between the two, the spherical crown body is the axial elastomer, including last spherical crown body (3) and lower spherical crown body (4) that the butt joint is in the same place, its characterized in that: the bottom of the upper spherical crown body (3) and the top of the lower spherical crown body (4) are respectively provided with a circular counter bore and a circular groove, the circular counter bores which are oppositely arranged are internally provided with a guide shaft (5), and the circular grooves which are oppositely arranged are internally provided with a circular spring (6); a circular groove and a spring (6) therein surround a circular counter bore with a guide shaft (5) to form a group of elastomer units; the elastomer units are distributed on the spherical crown body in multiple groups.
8. The anti-separation friction pendulum seismic isolation bearing of claim 7, wherein: the spring (6) is a disc spring, a spiral spring or a polyurethane spring; the disc springs are arranged in an involutory mode or an overlapping mode; the guide shaft (5) is a cylinder in clearance fit with the circular counter bore.
9. The anti-separation friction pendulum seismic isolation bearing of claim 8, wherein: the lower part of the upper seat plate (1) is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is provided with an annular retainer ring (12), the upper part of the upper seat plate is provided with evenly distributed flanges (11), and the flanges (11) are provided with mounting holes; the upper part of the lower seat plate (2) is an inwards concave spherical surface, the periphery of the inwards concave spherical surface is also provided with an annular retainer ring (12), the lower part of the lower seat plate is also provided with uniformly distributed flanges (11), and the flanges (11) are also provided with mounting holes; the upper surface of the upper spherical crown body and the lower surface of the lower spherical crown body are both provided with tetrafluoro sliding plates (7), and the tetrafluoro sliding plates (7) are nested in the grooves on the upper surface of the upper spherical crown body and the grooves below the lower spherical crown body.
10. The anti-separation friction pendulum seismic isolation bearing of claim 9, wherein: the outer side of the anti-separation friction pendulum seismic isolation support is also provided with a temporary connecting frame, one end of the temporary connecting frame is fixed with the upper seat plate (1) through a bolt, and the other end of the temporary connecting frame is fixed with the lower seat plate (2) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222687061.2U CN218176215U (en) | 2022-10-12 | 2022-10-12 | Anti-separation friction pendulum shock insulation support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222687061.2U CN218176215U (en) | 2022-10-12 | 2022-10-12 | Anti-separation friction pendulum shock insulation support |
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| CN218176215U true CN218176215U (en) | 2022-12-30 |
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| CN202222687061.2U Active CN218176215U (en) | 2022-10-12 | 2022-10-12 | Anti-separation friction pendulum shock insulation support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538636A (en) * | 2022-10-12 | 2022-12-30 | 衡水震泰隔震器材有限公司 | Anti-separation friction pendulum shock insulation support |
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- 2022-10-12 CN CN202222687061.2U patent/CN218176215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538636A (en) * | 2022-10-12 | 2022-12-30 | 衡水震泰隔震器材有限公司 | Anti-separation friction pendulum shock insulation support |
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