Improved friction pendulum shock insulation support

By installing a force-removing device at the corners of the surrounding corners of the seismic isolation support, providing a vertical tension to limit the vertical deformation of the structure, the problem that the existing friction pendulum earthquake-isolating support cannot resist the pull-out is solved, and the seismic isolation support is improved The tensile strength and stability of the bearing avoid the safety hazards of tension and disengagement.

CN119288101AInactive Publication Date: 2025-01-10杨奎
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Patent Information

Application Number
CN202411593301.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing friction pendulum shock isolation support cannot provide pull-resistant capacity when subjected to vertical action, resulting in major safety hazards for the lighter superstructure and reducing the use strength and stability of the shock isolation support.

Method used

The anti-extraction device is provided at the corners of the shock-isolating support, including a spring body and a connecting member, which is fixed to the edge of the upper and lower connecting plate through the upper and lower connecting members, and provides a vertical tension to limit the vertical deformation of the structure.

Benefits of technology

It effectively improves the tensile strength and stability of the earthquake isolation support, avoids the safety hazards of tension and disengagement of the bearing, and enhances the overall use strength and earthquake isolation effect of the earthquake isolation support.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an improved friction pendulum shock insulation support which structurally comprises a lower connecting piece, a friction support body, a lower connecting plate, an upper connecting plate, an upper connecting piece and pulling resistance devices. The upper ends and the lower ends of the pulling resistance devices are embedded into the lower layer of the upper connecting plate and the corner portions and the periphery of the upper layer of the lower connecting plate, and four or more sets of pulling resistance devices are arranged; four groups of anti-pulling force devices are arranged in the lower connecting plate and the upper connecting plate, and the four groups of anti-pulling force devices are set according to azimuth angles of four corners, so that spring main bodies of the anti-pulling force devices are connected with the four corners of the lower connecting plate and the four corners of the upper connecting plate through the upper end connecting pieces and the lower end connecting pieces; and then the four spring bodies at the four corners are matched to provide vertical pulling force when vertical sliding limiting is achieved, continuous vertical deformation of the light large-span structure is limited, and therefore the use strength and the shock insulation strength effect of the shock insulation support can be improved, and major potential safety hazards caused when the support is pulled to be separated are avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of seismic isolation bearings, and more specifically to an improved friction pendulum seismic isolation bearing. Background Art

[0002] The friction pendulum isolation bearings in current building construction can withstand large vertical forces and absorb earthquakes through sliding deformation to reduce the impact of earthquakes on the upper structure. However, such isolation bearings cannot provide pull-out resistance. For the upper structure with a light mass, it is very easy for the bearings to be pulled out, which will cause major safety hazards, thereby reducing the use strength and stability of the current isolation bearings. To this end, we will propose improvements to the current seismic isolation bearings in order to solve the above-mentioned problems. By setting up devices that can provide pull-out resistance at the corners around the seismic isolation bearings, the devices can slide in the horizontal direction and provide vertical tension when the vertical sliding limit is reached, thereby limiting its continued vertical deformation. Summary of the invention

[0003] The technical solution adopted by the present invention to achieve the technical purpose is: an improved friction pendulum seismic isolation bearing, whose structure includes: a lower connecting part, a friction bearing body, a lower connecting plate, an upper connecting plate, an upper connecting part, and an anti-pull-out device, the upper and lower ends of the anti-pull-out device are embedded in the lower layer of the upper connecting plate, the upper corners and the periphery of the lower connecting plate and are arranged in four groups or more, the upper edge of the upper connecting plate carries an upper connecting part, the lower end of the lower connecting plate coincides with the upper layer of the friction bearing body and the lower corners of the friction bearing body are fixed with a lower connecting part.

[0004] As a further improvement of the present invention, the anti-pull-out force device is provided with a spring main body, the upper end of the spring main body is connected to an upper end connecting piece and the lower end is connected to a lower end connecting piece, and the upper end connecting piece and the lower end connecting piece are used to complete the fixed connection with the edges of the upper connecting plate and the lower connecting plate. The upper end connecting piece and the lower end connecting piece are arranged at corresponding positions in the edge areas of the upper connecting plate and the lower connecting plate, and the lower end of the spring main body is provided with a screw connecting end for locking with the lower connecting plate.

[0005] As a further improvement of the present invention, the upper end connecting part includes a connecting body, a central slot, a movable contact surface, a contact corner, a connecting rod, and an upper connecting hole. A central slot is opened in the middle of the connecting body and a movable contact surface and a contact corner are provided on the inner wall edge to allow the upper end of the connecting rod to be embedded. An upper connecting hole is opened at the lower end of the connecting rod to allow the upper end of the spring body to be embedded. The surface of the movable contact surface is coated with graphite powder and contacts with the upper end of the connecting rod.

[0006] As a further improvement of the present invention, the friction support body can be assembled with a large-span lightweight structure through the lower connecting piece, lower connecting plate, upper connecting plate and upper connecting piece, and then reinforced by the anti-pull-out devices arranged at the four corners between the upper connecting plate and the lower connecting plate. The spring body of the anti-pull-out device can be spliced ​​with the upper connecting plate and the lower connecting plate through the upper connecting piece and the lower connecting piece. The upper connecting piece allows the upper end of the connecting rod to be embedded through the center slot of the connecting body, and the connecting rod can be fixedly connected to the upper end of the spring body through the upper connecting hole at the lower end.

[0007] As a further improvement of the present invention, the upper end of the connecting rod also includes a threaded connection end, a connecting rod head, a sliding block, a threaded groove, and a bolt. The threaded connection end is arranged at the upper end of the connecting rod and is locked in the connecting rod head through a thread. The sliding block is arranged at the upper end of the connecting rod head and carries a threaded groove. The sliding block is locked with the connecting rod head by a bolt.

[0008] As a further improvement of the present invention, the sliding block is spherical in shape and the thread groove carried by it is in the shape of a circular center groove.

[0009] As a further improvement of the present invention, the upper connecting hole at the lower end of the connecting rod further includes a hook, and the edge of the hook also has a connecting groove to allow the spring body to be installed.

[0010] As a further improvement of the present invention, the side of the lower connecting plate also includes a positioning ring and a lower threaded groove. The positioning ring is positioned at the center of the side of the lower connecting plate and has a lower threaded groove to connect with the threaded connection end of the lower end of the spring body.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention is equipped with four sets of anti-pull-out devices in the lower connecting plate and the upper connecting plate. The four sets of anti-pull-out devices will be set at four corner azimuths, so that the spring body of the anti-pull-out device is connected with the four corners of the lower connecting plate and the upper connecting plate through the upper end connecting piece and the lower end connecting piece, and then the four spring bodies at the four corners can cooperate to provide vertical pulling force when the vertical sliding limit is achieved, thereby limiting the continued vertical deformation of the light and large-span structure, thereby improving the use strength and seismic isolation strength effect of the seismic isolation bearing and avoiding the serious safety hazard caused by the bearing being pulled out. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The present invention is a structural schematic diagram of an improved friction pendulum seismic isolation bearing.

[0013] Figure 2 The invention relates to a structural schematic diagram of an enlarged cross-section of an improved anti-pullout device.

[0014] Figure 3The present invention is a structural schematic diagram of an improved upper end connecting piece with an enlarged cross-section.

[0015] Figure 4 The present invention is a schematic diagram of a partially three-dimensional structure of an improved upper end of a connecting rod.

[0016] Figure 5 A three-dimensional structural schematic diagram of a newly added component in the upper connecting hole area.

[0017] Figure 6 A structural diagram of the arrangement of the grooves of the upper connecting plate and the upper end connecting piece Figure 7 A structural diagram of the arrangement of a lower end connecting piece and a lower connecting plate Figure 8 The present invention is a schematic structural diagram of a cross-section view of an improved side of a lower connecting plate.

[0018] In the figure: lower connecting piece-1, friction support body-2, lower connecting plate-3, upper connecting plate-4, upper connecting piece-5, anti-pulling device-6 Upper end connecting piece-61, lower end connecting piece-62, spring body-63 Connecting body-611, center slot-612, moving contact surface-613, contact corner-614, connecting rod-615, upper connecting hole-616 Threaded connection end-6151, connecting rod head-6152, sliding block-6153, thread groove-6154, bolt-6155 Hook-6161, connection slot-6162 Positioning ring-31, lower thread groove-32. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings: Example

[0020] Figures 1 to 8 As shown: The present invention provides an improved friction pendulum isolation support. Its structure includes a lower connecting member 1, a friction support body 2, a lower connecting plate 3, an upper connecting plate 4, an upper connecting member 5, and an anti-pullout device 6. The upper and lower ends of the anti-pullout device 6 are embedded in the lower layer of the upper connecting plate 4, the upper corners and the periphery of the lower connecting plate 3, and a total of four groups or more are arranged. The upper edge of the upper connecting plate 4 carries the upper connecting member 5, the lower end of the lower connecting plate 3 coincides with the upper layer of the friction support body 2, and the lower connecting member 1 is fixed to the lower corner of the friction support body 2.

[0021] Among them, the anti-pullout device 6 is provided with a spring body 63, the upper end of the spring body 63 is connected to an upper end connecting piece 61 and the lower end is connected to a lower end connecting piece 62, and the upper end connecting piece 61 and the lower end connecting piece 62 are used to complete the fixed connection with the edges of the upper connecting plate 4 and the lower connecting plate 3. The upper end connecting piece 61 and the lower end connecting piece 62 are arranged at corresponding positions in the edge areas of the upper connecting plate 4 and the lower connecting plate 3, and the lower end of the spring body 63 is provided with a screw connection end for locking with the lower connecting plate 3.

[0022] Among them, the upper end connecting member 61 includes a connecting body 611, a central slot 612, a movable contact surface 613, a contact corner 614, a connecting rod 615, and an upper connecting hole 616. A central slot 612 is opened in the middle of the connecting body 611, and a movable contact surface 613 and a contact corner 614 are provided on the inner wall edge to allow the upper end of the connecting rod 615 to be embedded. An upper connecting hole 616 is opened at the lower end of the connecting rod 615 to allow the upper end of the spring body 63 to be embedded. The surface of the movable contact surface 65 is coated with graphite powder and contacts with the upper end of the connecting rod 615.

[0023] Among them, the lower connecting part 1, the lower connecting plate 3, the upper connecting plate 4, and the upper connecting part 5 of the friction support body 2 can be assembled with the large-span light structure, and then reinforced by the anti-pull-out device 6 arranged at the four corners between the upper connecting plate 4 and the lower connecting plate 3. The spring body 3 of the anti-pull-out device 6 can be spliced ​​with the upper connecting plate 4 and the lower connecting plate 5 through the upper connecting part 61 and the lower connecting part 62. The upper connecting part 61 allows the upper end of the connecting rod 615 to be embedded through the center slot 612 of the connecting body 611, and the connecting rod 615 can be fixedly connected with the upper end of the spring body 63 through the upper connecting hole 616 at the lower end.

[0024] Among them, the upper end of the connecting rod 615 also includes a threaded connection end 6151, a connecting rod head 6152, a sliding block 6153, a threaded groove 6154, and a bolt 6155. The threaded connection end 6151 is arranged at the upper end of the connecting rod 615 and the threaded connection end 6151 is locked in the connecting rod head 6152 through a thread. The sliding block 6153 is arranged at the upper end of the connecting rod head 6152 and carries a threaded groove 6154. The sliding block 6153 is locked with the connecting rod head 6152 by a bolt 6155.

[0025] The sliding block 6153 is spherical in shape and the thread groove 6154 carried by it is in the shape of a circular center groove.

[0026] The upper connection hole 616 at the lower end of the connection rod 615 further includes a hook 6161 , and a connection groove 6162 is opened at the edge of the hook 6161 to allow the spring body 63 to be installed.

[0027] The side of the lower connecting plate 3 further includes a positioning ring 31 and a lower thread groove 32 . The positioning ring 31 is positioned at the center of the side of the lower connecting plate 3 and has a lower thread groove 32 to connect with the threaded connection end of the lower end of the spring body 63 .

[0028] Specific functions and operation procedures of this embodiment: In the present invention, the seismic isolation support can be positioned by the lower connecting plate 3 and the lower connecting member 1 of the friction support body 2, and then the upper connecting member 5 combined with the upper connecting plate 4 is embedded in the bottom of the large-span light structure (such as a grid, a connected structure, etc.) for splicing and fixing to complete the assembly with the light structure. Subsequently, the four-corner four-group anti-pulling force device 6 set between the upper connecting plate 4 and the lower connecting plate 3 is connected with the upper connecting plate 4 and the lower connecting plate 3 through the upper end connecting member 61 and the lower end connecting member 62 to complete the positioning of the spring body 63 and the connection with the upper connecting plate 4 and the lower connecting plate 3, the connecting body 611 of the upper end connecting member 61 can be embedded and assembled with the upper end of the connecting rod 615 through the moving contact surface 613 of the central slot 612 and the rounded contact corner 614, and then the upper connecting hole 616 at the lower end of the connecting rod 615 can be connected with the upper end of the spring body 63, and the hook 6161 and the internal connecting groove 6162 added by the upper connecting hole 616 can allow the upper end of the spring body 63 to be embedded and connected, and at the same time, the upper end of the connecting rod 615 is also provided with a threaded connection end 6151, which is connected to the connecting rod head 6151 through the threaded connection end 6151 152 can be spliced ​​with the upper connecting plate 4, and the spherical sliding block 6153 added to the upper end of the connecting rod head 6152 can be locked with the upper end of the connecting rod 615 and the bottom groove of the upper connecting plate 4 through the threaded groove 6154 and the bolt 6155. For this purpose, the circular sliding block 6153 can slide in the moving contact surface 613 area inside the central slot 612, and then combined with the spring body 63, it can effectively improve the vertical tension of the current friction bearing body 2 on the large-span light structure, limit its continued vertical deformation, thereby improving the use strength of the overall seismic isolation bearing And stability, and thus the positioning ring 31 added to the side of the lower connecting plate 3 is opened with a lower threaded groove 32, so that the lower threaded groove 32 can be threadedly connected to the screw connecting end arranged at the lower end of the spring body 63, thereby ensuring the stable connection between the spring body 63 and the upper connecting plate 4 and the lower connecting plate 3, and the four-corner arrangement can effectively improve the tensile strength of the seismic isolation bearing. In summary, the cooperation of various components can effectively avoid the seismic isolation bearing from being unable to provide pull-out resistance, resulting in a major safety hazard of the bearing being pulled out of the lighter upper structure.

[0029] Utilizing the technical solution of the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. An improved friction pendulum seismic isolation support, the structure of which includes: A lower connecting member (1), a friction support body (2), a lower connecting plate (3), an upper connecting plate (4), an upper connecting member (5), and an anti-pullout device (6), wherein the upper and lower ends of the anti-pullout device (6) are embedded in the lower layer of the upper connecting plate (4), the upper layer corners and the periphery of the lower connecting plate (3), and a total of four or more groups are arranged, the upper edge of the upper connecting plate (4) carries the upper connecting member (5), the lower end of the lower connecting plate (3) overlaps with the upper layer of the friction support body (2), and the lower corner of the friction support body (2) is fixed with the lower connecting member (1), characterized in that: The anti-pulling force device (6) is provided with a spring body (63), the upper end of the spring body (63) is connected to an upper end connecting piece (61) and the lower end is connected to a lower end connecting piece (62), and the upper end connecting piece (61) and the lower end connecting piece (62) are used to complete the fixed connection with the edge of the upper connecting plate (4) and the lower connecting plate (3), the upper end connecting piece (61) and the lower end connecting piece (62) are arranged at corresponding positions on the edge areas of the upper connecting plate (4) and the lower connecting plate (3), and the lower end of the spring body (63) is provided with a screw connection end for locking with the lower connecting plate (3).

2. The improved friction pendulum isolation support according to claim 1 is characterized in that: The upper end connecting member (61) comprises a connecting body (611), a central slot (612), a movable contact surface (613), a contact corner (614), a connecting rod (615), and an upper connecting hole (616). The connecting body (611) is provided with a central slot (612) in the middle, and the inner wall edge is provided with a movable contact surface (613) and a contact corner (614) for the upper end of the connecting rod (615) to be embedded. The lower end of the connecting rod (615) is provided with an upper connecting hole (616) for the upper end of the spring body (63) to be embedded. The surface of the movable contact surface (65) is coated with graphite powder and contacts with the upper end of the connecting rod (615).

3. An improved friction pendulum isolation bearing according to claim 1-2, characterized in that: The friction support body (2) can be assembled with a large-span light structure through the lower connecting piece (1), the lower connecting plate (3), the upper connecting plate (4), and the upper connecting piece (5). Then, the anti-pullout device (6) arranged at the four corners between the upper connecting plate (4) and the lower connecting plate (3) is used for reinforcement. The spring body (3) of the anti-pullout device (6) can be spliced ​​with the upper connecting plate (4) and the lower connecting plate (5) through the upper connecting piece (61) and the lower connecting piece (62). The upper connecting piece (61) allows the upper end of the connecting rod (615) to be embedded through the central slot (612) of the connecting body (611). The connecting rod (615) can be fixedly connected with the upper end of the spring body (63) through the upper connecting hole (616) at the lower end.

4. The improved friction pendulum isolation support according to claim 2 is characterized in that: The upper end of the connecting rod (615) further comprises a threaded connection end (6151), a connecting rod head (6152), a sliding block (6153), a threaded groove (6154), and a bolt (6155); the threaded connection end (6151) is arranged at the upper end of the connecting rod (6155) and the threaded connection end (6151) is locked in the connecting rod head (6152) by means of a thread; the sliding block (6153) is arranged at the upper end of the connecting rod head (6152) and carries a threaded groove (6154); the sliding block (6153) is locked with the connecting rod head (6152) by means of a bolt (6155).

5. The improved friction pendulum seismic isolation support according to claim 4 is characterized in that: The sliding block (6153) is spherical in shape and the thread groove (6154) carried by it is in the shape of a circular center groove.

6. The improved friction pendulum isolation support according to claim 2 is characterized in that: The upper connection hole (616) at the lower end of the connection rod (615) further comprises a hook (6161), and the edge of the hook (6161) is also provided with a connection groove (6162) for installing the spring body (63).

7. The improved friction pendulum isolation bearing according to claim 1 is characterized in that: The side of the lower connecting plate (3) further comprises a positioning ring (31) and a lower thread groove (32); the positioning ring (31) is positioned at the center of the side of the lower connecting plate (3) and has a lower thread groove (32) for connection with the threaded connection end at the lower end of the spring body (63).