A horizontal follow-up tension-compression conversion isolation and tensile resistance mechanism

Abstract

The present invention discloses a horizontal follow-up tension-compression conversion seismic isolation and tensile resistance mechanism, comprising: a seismic isolation support and a tension-compression conversion structure; the seismic isolation support is fixedly connected between an upper pier and a lower pier, the upper part of the upper pier extends outwardly to form a platform, and an embedded cross-force-transmitting steel is provided inside the upper pier; the end of the embedded cross-force-transmitting steel is connected to a tension-compression conversion force-transmitting rod, and the tension-compression conversion force-transmitting rod is configured as an L-shape; a platform extends outwardly from the top of the lower pier, and a smooth panel is provided on the bottom wall of the extended platform of the lower pier; one L-shaped end of the tension-compression conversion force-transmitting rod is connected to the bottom end of a spring sleeve body, and the top end of the spring sleeve body is provided on the smooth panel. This serves to isolate seismic forces while adding tensile resistance to the seismic isolation support.

Description

Technical Field

[0001] The present invention relates to the technical field of seismic isolation, and in particular to a horizontal follow-up tension-compression conversion seismic isolation and tensile resistance mechanism. Background Art

[0002] Earthquakes are natural disasters that severely damage and impact human production and life, and even life safety. In recent years, global crustal plate movement and volcanic activity have increased significantly, leading to frequent earthquakes around the world.

[0003] Seismic isolation technology is currently recognized worldwide as one of the most effective methods for protecting building structures from earthquakes. In my country, this technology has undergone over 30 years of development and has been tested by numerous earthquake disasters. Facts have proven that seismic isolation technology provides significant protection for superstructures. However, in high-rise and super-high-rise buildings, due to the large aspect ratios of these systems, the structures are subject to significant inertial overturning moments under horizontal earthquakes. This, coupled with the strict design requirement that isolation bearings must not generate excessive tensile stress, significantly limits the application of seismic isolation technology in high-rise structures.

[0004] In summary, in order to solve the tensile problem of seismic isolation bearings and further expand the application scenarios of seismic isolation technology, it is of great significance to develop a seismic isolation tensile mechanism that has the advantages of efficient and stable mechanical properties, simple and controllable construction and installation process, and good economy. Although there are already many solutions and products on the market to solve the tensile problem of seismic isolation bearings, it is difficult for most products to take into account and balance the intuitiveness of product principles, product reliability, economy, construction convenience, and later maintenance. At the same time, the "Building Isolation Design Standard" stipulates that the anti-overturning force of the seismic isolation structure under rare earthquakes can be included in addition to gravity. The role of the tensile mechanism can also be included. Therefore, a horizontal follow-up tension-compression conversion seismic isolation tensile mechanism is provided. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism, comprising: a seismic isolation support, a tension-compression conversion structure;

[0008] The seismic isolation support is fixedly connected between the upper pier and the lower pier, the upper part of the upper pier extends outward to form a platform, and the upper pier is provided with an embedded cross-force transmission steel;

[0009] The ends of the embedded cross-type force-transmitting steel are connected to the tension-compression conversion force-transmitting rods, and the tension-compression conversion force-transmitting rods are set to be L-shaped;

[0010] A platform is extended outward from the top of the lower pier, and a smooth panel is provided on the bottom wall of the extended platform of the lower pier;

[0011] One L-shaped end of the tension-compression conversion force transmission rod is connected to the bottom end of the spring sleeve body, and the top end of the spring sleeve body is arranged on the smooth panel.

[0012] Further; the spring sleeve body is composed of a friction material plate, a flexible pad, a telescopic sleeve member, a spring member, and an adjusting knob;

[0013] The telescopic sleeve is arranged inside the spring, and the bottoms of the telescopic sleeve and the spring are both connected to the adjusting knob;

[0014] A flexible pad and a friction material plate are sequentially arranged on the upper part of the telescopic sleeve.

[0015] Furthermore, the seismic isolation bearing can be any one of a natural laminated rubber material seismic isolation bearing, a lead core laminated rubber material seismic isolation bearing, a high damping rubber material bearing, a skateboard bearing, a friction pendulum seismic isolation bearing, a thick rubber three-dimensional seismic isolation bearing, and a rubber friction pendulum three-dimensional seismic isolation bearing.

[0016] Furthermore, the number of the spring sleeve body is at least one.

[0017] Furthermore, the number of the conversion force transmission rod is at least one.

[0018] Furthermore, the spring member can be any one of an ordinary coil spring, an annular spring, and a butterfly spring.

[0019] Furthermore, the number of platforms extending outward from the upper pier and the lower pier is at least one.

[0020] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0021] 1. This patented product has a simple structure and low cost.

[0022] 2. The number of spring sleeve bodies in this patented product can be set as needed. While providing greater tensile stiffness, the deformation of the spring member can be adjusted by adjusting the knob to add a larger preload when the compressive stress of the isolation bearing allows.

[0023] 3. Compared with traditional tensile mechanisms, this patented product does not have the problem of initial gap affecting the tensile effect or causing large uncertainty in the actual tensile effect, because its compressed part always maintains a contact state, the vertical stiffness remains unchanged, and there is no problem of gap nonlinearity.

[0024] 4. The patented product's isolation bearings share a common set of upper and lower pier components, eliminating the need for separate piers for the tensile mechanism. This improves construction space utilization and overall economics. Furthermore, the axially parallel system formed by the tensile mechanism's isolation bearings has a very short force transmission path, effectively minimizing tension transmission losses. This results in a higher degree of vertical deformation coupling in the isolation bearings, resulting in improved tensile strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] FIG1 is a cross-sectional view of the structure of the present invention.

[0026] FIG2 is an exploded view of the spring sleeve of the present invention.

[0027] FIG3 is a cross-sectional view taken along line AA of the present invention.

[0028] FIG4 is a BB cross-sectional view of the present invention.

[0029] In the figure: embedded cross force transmission steel 1, tension and compression conversion force transmission rod 2, upper pier 3, seismic isolation support 4, lower pier 5, smooth panel 6, friction material plate 7, flexible pad 8, telescopic sleeve part 9, spring part 10, adjustment knob 11, spring sleeve body 12. DETAILED DESCRIPTION

[0030] A horizontal follow-up tension-compression conversion seismic isolation and tensile resistance mechanism, comprising: a seismic isolation support 4;

[0031] The seismic isolation support 4 is fixedly connected between the upper pier 3 and the lower pier 5. The upper part of the upper pier 3 extends outward to form a platform. The upper pier 3 is provided with an embedded cross-type force transmission steel 1;

[0032] The end of the embedded cross force transmission steel 1 is connected to the tension and compression conversion force transmission rod 2, and the tension and compression conversion force transmission rod 2 is set to be L-shaped;

[0033] The top of the lower pier 5 extends outward to form a platform, and the bottom wall of the extended platform of the lower pier 5 is provided with a smooth panel 6;

[0034] One L-shaped end of the tension-compression conversion force transmission rod 2 is connected to the bottom end of the spring sleeve body 12 , and the top end of the spring sleeve body 12 is arranged on the smooth panel 6 .

[0035] The spring sleeve body 12 is composed of a friction material plate 7, a flexible pad 8, a telescopic sleeve member 9, a spring member 10, and an adjustment knob 11;

[0036] The telescopic sleeve 9 is arranged inside the spring member 10, and the bottoms of the telescopic sleeve 9 and the spring member 10 are connected to the adjusting knob 11;

[0037] A flexible pad 8 and a friction material plate 7 are sequentially arranged on the upper portion of the telescopic sleeve 9 .

[0038] The seismic isolation bearing 4 can be any one of natural laminated rubber material seismic isolation bearing, lead core laminated rubber material seismic isolation bearing, high damping rubber material bearing, slide plate bearing, friction pendulum seismic isolation bearing, thick rubber three-dimensional seismic isolation bearing, and rubber friction pendulum three-dimensional seismic isolation bearing.

[0039] The number of the spring sleeve body 12 is at least one; one L-shaped end of the tension-compression conversion force transmission rod 2 is connected to at least one spring sleeve body 12.

[0040] The number of conversion force transmission rods 2 is at least one; the conversion force transmission rod 2 is connected to the upper pier 3 and the spring sleeve body 12, and the number is selected according to the required number. The upper pier 3 also has a round or square shape, and the conversion force transmission rod 2 is matched with the upper pier 3.

[0041] The spring member 10 can be any one of a common coil spring, an annular spring, and a butterfly spring. The number of the upper buttress 3 and the lower buttress 5 extending outward from the platform is at least one.

[0042] Embedded cross force transmission steel 1, tension and compression conversion force transmission rod 2, upper pier 3, seismic isolation support 4, lower pier 5, smooth panel 6, friction material plate 7, flexible pad 8, telescopic sleeve part 9, spring part 10, and adjustment knob 11.

[0043] The seismic isolation bearing 4 is connected and fixed between the upper pier 3 and the lower pier 5. A tension-compression conversion force transmission rod 2 extending to one side or multiple sides is built on the upper pier 3, and the force transmission stability between the tension-compression conversion force transmission rod 2 and the upper pier 3 is strengthened by arranging an embedded cross-force transmission steel 1 inside the upper pier 3. The lower end of the tension-compression conversion force transmission rod 2 is L-shaped and the end points inward. A spring sleeve body 12 is fixed on the L-shaped end of the tension-compression conversion force transmission rod 2. The spring sleeve body 12 is composed of a friction material plate 7, a flexible pad 8, a telescopic sleeve part 9, a spring part 10, and an adjustment knob 11. The bottom ends of both the spring component 10 and the telescopic sleeve component 9 are connected to the top of an adjustment knob 11, allowing them to be raised or lowered by turning the knob 11. The top of the telescopic sleeve component 9 is cast in a T-shape with an outer platform. The bottom surface of the outer platform is in compressive contact with the top of the spring component 10, ensuring that the telescopic sleeve component 9 is supported by the spring component 10 and synchronized with its vertical expansion and contraction. A flexible pad 8 and a friction material plate 7 are stacked and affixed to the top surface of the telescopic sleeve component 9. The flexible pad 8 is used to relieve the slight rotation angle caused by the overturning moment of the upper pier. The top surface of the friction material plate 7 is in compressive contact with the bottom surface of the smooth panel 6.

[0044] The telescopic sleeve 9 is free to compress under axial pressure. An adjustment knob 11 is located at the bottom of the sleeve, allowing the deformation of the spring 10 to be adjusted while the sleeve 9 is fixed and under pressure, thereby increasing or decreasing the compression of the spring 10. The friction plate 7 at the top of the telescopic sleeve 9 contacts the underside of the smooth panel 6 extending from the lower buttress 5, resulting in low friction. Once the mechanism is complete, preload can be applied by adjusting the adjustment knob 11 of the telescopic sleeve 9. This preload is converted into tension through the tension-compression conversion mechanism of the force-transmitting rod 2 and transmitted to the upper buttress 3, thereby applying preload stress to the seismic isolation bearing 4. During an earthquake, when the upper buttress 3 and lower buttress 5 experience horizontal relative displacement, the spring sleeve can move horizontally with the upper structure due to the low frictional resistance of the contact pressure surface, while ensuring that the spring sleeve 7 remains in a state of axial compression. When the vertical overturning tension of the upper isolation body of the isolation bearing 4 causes the upper buttress 3 to be pulled upward, this tensile displacement is converted back into compressive deformation of the spring sleeve 7 through the tension-compression conversion mechanism of the force transmission rod 2, providing vertical stiffness to the isolation system, thereby reducing overall tensile deformation and improving the tensile condition of the isolation bearing 4 while transmitting a large anti-overturning tensile force. This mechanism has the advantages of a straightforward principle, simple construction, low raw material and installation costs, convenient installation, ample construction tolerance, flexible additional stiffness, and allows for multiple maintenance and readjustment after long-term settlement, as well as replacement, reinforcement, and renovation.

[0045] Although the present invention has been described herein with reference to a number of illustrative embodiments thereof, it will be understood that numerous other modifications and implementations may be devised by those skilled in the art that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure, the drawings, and the claims, numerous variations and modifications may be made to the components and / or layout of the subject combination arrangement. In addition to variations and modifications to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A horizontal follow-up tension-compression conversion seismic isolation and tension-resistant mechanism, characterized by: include: seismic isolation bearing (4); The seismic isolation support (4) is fixedly connected between the upper pier (3) and the lower pier (5); the upper part of the upper pier (3) extends outwardly to form a platform; and an embedded cross-force transmission steel (1) is provided inside the upper pier (3); The end of the embedded cross force transmission steel (1) is connected to the tension-compression conversion force transmission rod (2), and the tension-compression conversion force transmission rod (2) is set to be L-shaped; A platform is extended outward from the top of the lower pier (5), and a smooth panel (6) is provided on the bottom wall of the extended platform of the lower pier (5); One L-shaped end of the tension-compression conversion force transmission rod (2) is connected to the bottom end of the spring sleeve body (12), and the top end of the spring sleeve body (12) is arranged on the smooth panel (6); The spring sleeve body (12) is composed of a friction material plate (7), a flexible pad (8), a telescopic sleeve member (9), a spring member (10), and an adjusting knob (11); The telescopic sleeve member (9) is arranged inside the spring member (10), and the bottoms of the telescopic sleeve member (9) and the spring member (10) are connected to the adjusting knob (11); A flexible pad (8) and a friction material plate (7) are sequentially arranged on the upper portion of the telescopic sleeve (9); The seismic isolation support (4) is selected from any one of a natural laminated rubber material seismic isolation support, a lead core laminated rubber material seismic isolation support, a high damping rubber material support, a slide plate support, a friction pendulum seismic isolation support, a thick rubber three-dimensional seismic isolation support, and a rubber friction pendulum three-dimensional seismic isolation support.

2. The horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism according to claim 1, characterized in that: The number of the spring sleeve main body (12) is at least one.

3. The horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism according to claim 1, characterized in that: The number of the tension-compression conversion force transmission rod (2) is at least one.

4. The horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism according to claim 1, characterized in that: The spring member (10) is selected from any one of a common coil spring, an annular spring, and a butterfly spring.

5. The horizontal follow-up tension-compression conversion seismic isolation and anti-tension mechanism according to claim 1, characterized in that: The number of platforms extending outward from the upper buttress (3) and the lower buttress (5) is at least one.

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