Vertical shock insulation and horizontal two-way energy dissipation and shock absorption self-resetting device and manufacturing method

Abstract

The invention relates to a vertical shock insulation and horizontal bidirectional energy dissipation and shock absorption self-resetting device and a manufacturing method. The vertical shock insulation and horizontal bidirectional energy dissipation and shock absorption self-resetting device comprises an upper fixing assembly connected with a diaphragm beam, a lower fixing assembly connected with a cover beam and a transmission connecting assembly connected between the upper fixing assembly and the lower fixing assembly. The transmission connecting assembly comprises a shaft seat and a track plate, a wooden-stick-shaped rotating shaft is rotationally connected into the shaft seat, and a rocker is connected to the lower portion of the wooden-stick-shaped rotating shaft through a bolt rod; a transverse-bridge-direction sliding groove and a longitudinal-bridge-direction sliding groove which are perpendicular to each other are formed in the track plate, a first sliding block is connected into the transverse-bridge-direction sliding groove in a sliding mode, and a second sliding block is connected into the longitudinal-bridge-direction sliding groove in a sliding mode. On the premise that the vertical buffering and shock insulation function is achieved, it is ensured that the relative displacement between the pier beams in the transverse bridge direction and the longitudinal bridge direction is controlled within the safety range under the earthquake action, the beam falling problem caused by the fact that the relative displacement between the main beam and the pier is too large is avoided, and self-resetting can be achieved after the earthquake.

Description

Technical Field

[0001] This invention relates to a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device and its manufacturing method, belonging to the field of bridge seismic isolation and vibration reduction technology. Background Technology

[0002] Bridges, as a vital component of transportation lifelines, are being constructed on an increasingly large scale. Strong earthquakes can exert tremendous destructive force on bridge structures, leading to damage or even collapse, severely hindering post-earthquake relief efforts. Therefore, to ensure the earthquake safety of bridges and improve their rapid post-earthquake recovery, the adoption of appropriate energy-dissipating, vibration-damping, and self-resetting devices is essential.

[0003] For seismic isolation bridges, although the seismic isolation bearings themselves have energy dissipation and vibration reduction functions, the strong impact of seismic ground motions from nearby faults / strong earthquake zones means that the energy dissipation of the seismic isolation bearings alone cannot meet the seismic requirements. Additional devices are still needed to ensure the safety of the bridge structure. Typically, these additional devices are installed between the main beam and the cap beam. Under seismic loading, they deform synchronously with the seismic isolation bearings and dissipate seismic energy through their plastic deformation. The effects of an earthquake on a structure can usually be decomposed into vertical and mutually perpendicular horizontal directions. Under vertical seismic loading, the seismic isolation bearings often lose their seismic isolation function due to tensile failure. Therefore, the energy dissipation and vibration reduction capacity of the additional devices should ideally be able to cover all three directions. However, existing additional devices, such as metal dampers, cable-stayed devices, and seismic blocks, mostly operate in a single direction. Furthermore, the strong randomness of the seismic wave incident direction means that traditional additional devices cannot effectively perform their energy dissipation and vibration reduction functions.

[0004] Therefore, it is necessary to develop new types of auxiliary devices that not only have good shock absorption and energy dissipation capabilities, but also take into account multiple directions of action and have self-resetting characteristics, in order to meet the urgent need to improve the seismic resistance of bridges. Summary of the Invention

[0005] To address the aforementioned issues, this invention provides a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device and its manufacturing method. While achieving the vertical buffering and seismic isolation function, it ensures that the relative displacement between the piers and beams in the transverse and longitudinal directions under seismic action is controlled within a safe range, avoiding excessive relative displacement between the main beam and the pier that could lead to beam collapse. Furthermore, it can achieve self-resetting after an earthquake.

[0006] In a first aspect, the present invention provides a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device, comprising an upper fixing component connected to a transverse diaphragm beam, a lower fixing component connected to a cap beam, and a transmission connection component connecting the upper fixing component and the lower fixing component; the transmission connection component includes a bearing seat and a track plate, a mallet-shaped rotating shaft is rotatably connected inside the bearing seat, and a rocker arm is connected below the mallet-shaped rotating shaft by a bolt rod; The track slab is provided with mutually perpendicular transverse and longitudinal bridge-shaped sliding grooves. One side of the transverse bridge-shaped sliding groove is provided with an energy-dissipating steel plate and a high-tension spring, while the other side is provided with a short disc spring. A first slider is slidably connected within the transverse bridge-shaped sliding groove, positioned between the high-tension spring and the short disc spring. One end of the first slider abuts against the high-tension spring and the energy-dissipating steel plate, and the other end abuts against the short disc spring. Energy-dissipating steel plates and high-tension springs are provided on both sides of the longitudinal bridge-shaped sliding groove. A second slider is slidably connected within the longitudinal bridge-shaped sliding groove, positioned between two high-tension springs. One end of the second slider abuts against the energy-dissipating steel plate and high-tension spring on one side of the longitudinal bridge-shaped sliding groove, and the other end abuts against the energy-dissipating steel plate and high-tension spring on the other side of the longitudinal bridge-shaped sliding groove. The rocker arm is connected to the first slider and the second slider by two bolts respectively. The two bolts drive the first slider and the second slider to slide in the transverse bridge groove and the longitudinal bridge groove respectively. One bolt drives the mallet-shaped rotating shaft to rotate in the bearing seat. A disc spring is provided between each bolt and the rocker arm.

[0007] In one embodiment of the present invention, the energy-dissipating steel plate in the transverse bridge slide is fixedly connected to the extended steel plate fixedly connected to the end of the transverse bridge slide by bolts, and the high-stiffness spring in the transverse bridge slide is fixedly connected to the end of the transverse bridge slide; the energy-dissipating steel plate in the longitudinal bridge slide is fixedly connected to the extended steel plate fixedly connected to the end of the longitudinal bridge slide by bolts, and the high-stiffness spring in the longitudinal bridge slide is fixedly connected to the end of the longitudinal bridge slide.

[0008] In one embodiment of the present invention, the energy-consuming steel plate is provided with a plurality of rhomboid energy-consuming holes, the energy-consuming steel plate in the transverse bridge groove can shrink and deform under the pressure of the first slider, and the energy-consuming steel plate in the longitudinal bridge groove can shrink and deform under the pressure of the second slider.

[0009] In one embodiment of the present invention, the original length of the high-spring without deformation is greater than the original length of the energy-consuming steel plate without deformation; the length of the short disc spring is less than the length of the high-spring; and the upper part of the transverse bridge slide and the longitudinal bridge slide is provided with baffles for limiting the first slider and the second slider.

[0010] In one embodiment of the present invention, the rocker arm is movably mounted on the bolt rod, and the bolt rod is connected to a rod nut; a disc spring is provided between the upper and lower sides of each bolt rod and the rocker arm, and the rocker arm can move up and down on the bolt rod through the disc spring.

[0011] In one embodiment of the present invention, lubricating oil is applied between the first slider and the inner wall of the transverse bridge slide groove, lubricating oil is applied between the second slider and the inner wall of the longitudinal bridge slide groove, and lubricating oil is applied between the surface of the mallet-shaped rotating shaft and the inner wall of the shaft seat; the width of the longitudinal bridge slide groove is greater than the width of the transverse bridge slide groove; the longitudinal bridge slide groove is disposed on one side of the track; and the transverse bridge slide groove is disposed at the center of the track.

[0012] In one embodiment of the present invention, the upper fixing component includes an L-shaped steel plate with a plurality of bolt holes. Two L-shaped steel plates are arranged opposite each other and fixedly connected to the crossbeam by nuts and bolts. The lower part of the L-shaped steel plate of the upper fixing component is fixedly connected to the bearing of the transmission connection component by nuts and bolts.

[0013] In one embodiment of the present invention, the lower fixing component includes a lower base plate, the lower base plate of the lower fixing component is provided with a plurality of anchor bolt holes, the lower base plate of the lower fixing component and the track plate of the transmission connection component are fixedly connected to the cover beam by a plurality of chemical anchor bolts, and the track plate is disposed above the lower base plate.

[0014] In one embodiment of the present invention, in the initial state, the first slider contacts the short disc spring in the transverse bridge slide groove but does not compress the short disc spring, and the second slider is located at the intersection of the center lines of the transverse bridge slide groove and the longitudinal bridge slide groove. Under seismic loading, when vertical relative displacement occurs between the piers and beams, the disc springs installed between the bolt rods and the rocker arm provide a buffering and seismic isolation effect to prevent the seismic isolation bearings from losing their seismic isolation function due to tensile failure. When horizontal relative displacement occurs between the piers and beams, the mallet-shaped rotating shaft rotates within the bearing seat, the first slider moves within the transverse bridge groove, and the second slider moves within the longitudinal bridge groove. The three bolt rods connected to the mallet-shaped rotating shaft, the first slider, and the second slider drive the rocker arm to rotate. The trajectory of the mallet-shaped rotating shaft is elliptical, decomposing the horizontal relative displacement between the piers and beams in any direction into the displacements of the first and second sliders, which are perpendicular to each other. When the relative displacement between the piers and beams is large, the perforated energy-absorbing steel plate in the transverse bridge groove deforms and dissipates energy under the pressure of the first slider, and the perforated energy-absorbing steel plate in the longitudinal bridge groove deforms and dissipates energy under the pressure of the second slider. At the same time, the high-stiffness springs in the transverse and longitudinal bridge grooves provide the restoring force for the first and second sliders to return to their original positions due to compression.

[0015] Secondly, the present invention provides a method for manufacturing a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device, which uses the aforementioned vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device. The manufacturing method includes the following steps: Step 1: During on-site pouring, reserve holes for installing bolts in the transverse diaphragms between the main beams, and reserve holes for installing chemical anchors in the cap beams. Step 2: Install the upper fixing components. Fix the two L-shaped uprights to both sides of the crossbeam between the main beams with nuts and bolts. Fix the L-shaped uprights to the bearing seats with bolts. Step 3: Install the transmission connection components. First, place the first slider, energy-consuming steel plate, high-spring coefficient spring, and short disc spring in the transverse bridge slide groove. Place the second slider, energy-consuming steel plate, and high-spring coefficient spring in the longitudinal and transverse bridge slide grooves. Weld baffles with narrow holes to the upper part of the transverse and longitudinal bridge slide grooves. Pass two bolt rods from bottom to top through the disc spring, rocker arm, and disc spring, and then fix them to the first and second sliders through the rod nut. Then, pass a bolt rod from top to bottom through the disc spring, rocker arm, and disc spring, and then fix it to the mallet-shaped rotating shaft through the rod nut. Step 4: Install the lower fixing assembly. Secure the track plate of the transmission connection assembly and the bottom plate of the lower fixing assembly to the cover beam using chemical anchors.

[0016] The beneficial effects of this invention are as follows: 1. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device proposed in this invention, under vertical seismic action, the disc spring set between the bolt rod and the rocker arm will play a buffering and seismic isolation effect to reduce the vertical relative movement between the pier and the beam; at the same time, the device is connected in parallel with the seismic isolation bearing, which can effectively prevent the seismic isolation bearing from losing its seismic isolation function due to tension failure under vertical seismic action.

[0017] 2. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device proposed in this invention can decompose the relative displacement between the piers and beams in any direction in the horizontal direction into mutually perpendicular transverse and longitudinal bridge displacements, thereby accurately describing the relative motion trajectory between the piers and beams at any time under seismic action.

[0018] 3. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device proposed in this invention, under horizontal seismic action, when the relative displacement between the pier and the beam is large, the perforated energy-dissipating steel plate in the groove is deformed and dissipates energy due to the compression of the slider. At the same time, the high-stiffness spring in the groove provides the restoring force for the slider to return to its original position due to compression. This invention separates the buffering, energy dissipation, and self-resetting functions, which can fully utilize the seismic isolation efficiency of the device and effectively improve the seismic resistance of the bridge.

[0019] 4. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device proposed in this invention adopts high-strength bolt connection, and the upper part of the slide groove is reserved with a gap, which facilitates timely replacement and repair of individual components damaged after an earthquake. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a front view of the vertical vibration isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device of the present invention; Figure 2 This is a side view of the vertical vibration isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device of the present invention; Figure 3 This is a top view of the track slab of the present invention; Figure 4 This is a schematic diagram of the slider of the present invention in its initial position; Figure 5 This is a schematic diagram of the slider of the present invention in a certain moving position; Figure 6 This is a front view of the transverse bridge slide of the present invention; Figure 7 This is a top view of the transverse bridge slide of the present invention; Figure 8 This is a front view of the longitudinal bridge-direction chute of the present invention; Figure 9 This is a top view of the longitudinal bridge chute of the present invention.

[0022] In the diagram: 1. L-shaped vertical plate; 2. Nut; 3. Bolt; 4. Shaft seat; 5. Hammer-shaped rotating shaft; 6. Bolt rod; 7. Rocker arm; 8. Rod nut; 9. Disc spring; 10. First slider; 11. Transverse bridge groove; 12. Outer steel plate; 13. Energy-consuming steel plate; 14. High stiffness coefficient spring; 15. Second slider; 16. Longitudinal bridge groove; 17. Chemical anchor; 18. Track plate; 19. Lower base plate; 20. Short disc spring. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] In this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] like Figures 1 to 9 As shown, the present invention provides a vertical vibration isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device, including an upper fixing component, a lower fixing component, a transmission connection component connecting the upper fixing component and the lower fixing component, a buffer energy dissipation limiting component, and a self-resetting component. The upper fixing component includes an L-shaped steel plate 1, the lower fixing component includes a lower base plate 19 and a chemical anchor bolt 17, the transmission connection component includes a shaft seat 4 with bolt holes, a mallet-shaped rotating shaft 5, a bolt rod 6, a rocker arm 7 with bolt holes, a track plate 18 with anchor bolt holes, a first slider 10 and a second slider 15, the buffer energy dissipation limiting component includes an energy dissipation steel plate 13 and a disc spring 9, and the self-resetting component includes a high stiffness coefficient spring 14.

[0027] In some embodiments, the L-shaped steel plate 1 of the upper fixing component is provided with a plurality of bolt holes, two L-shaped steel plates 1 are arranged opposite each other and fixedly connected to the crossbeam by nuts 2 and bolts 3, and the lower part of the L-shaped steel plate 1 of the upper fixing component is fixedly connected to the bearing 4 of the transmission connection component by nuts 2 and bolts 3.

[0028] In some embodiments, the lower base plate 19 of the lower fixing assembly is provided with a plurality of anchor bolt holes, and the lower base plate 19 of the lower fixing assembly and the track plate 18 of the transmission connection assembly are fixedly connected to the cover beam by a plurality of chemical anchor bolts 17, and the track plate 18 is disposed above the lower base plate 19.

[0029] In some embodiments, the track slab 18 is provided with mutually perpendicular transverse bridge slide grooves 11 and longitudinal bridge slide grooves 16. One side of the transverse bridge slide groove 11 is provided with an energy-dissipating steel plate 13 and a high-tension spring 14, and the other side is provided with a short disc spring 20. A first slider 10 is slidably connected within the transverse bridge slide groove 11. The first slider 10 is disposed between the high-tension spring 14 and the short disc spring 20 within the transverse bridge slide groove 11. One end of the first slider 10 can abut against the high-tension spring 14 and the energy-dissipating steel plate 13, and the other end can... The short disc spring 20 abuts against the longitudinal bridge slide groove 16; energy-consuming steel plates 13 and high-spring coefficient springs 14 are provided on both sides of the longitudinal bridge slide groove 16; a second slider 15 is slidably connected in the longitudinal bridge slide groove 16; the second slider 15 is disposed between the two high-spring coefficient springs 14 in the longitudinal bridge slide groove 16; one end of the second slider 15 can abut against the energy-consuming steel plate 13 and high-spring coefficient spring 14 on one side of the longitudinal bridge slide groove 16, and the other end can abut against the energy-consuming steel plate 13 and high-spring coefficient spring 14 on the other side of the longitudinal bridge slide groove 16.

[0030] Optionally, the energy-consuming steel plate 13 in the transverse bridge slide 11 is fixedly connected to the extended steel plate 12 fixedly connected to the end of the transverse bridge slide 11 by bolts 3, and the high-stiffness spring 14 in the transverse bridge slide 11 is fixedly connected to the end of the transverse bridge slide 11; the energy-consuming steel plate 13 in the longitudinal bridge slide 16 is fixedly connected to the extended steel plate 12 fixedly connected to the end of the longitudinal bridge slide 16 by bolts 3, and the high-stiffness spring 14 in the longitudinal bridge slide 16 is fixedly connected to the end of the longitudinal bridge slide 16.

[0031] Optionally, the length of the short disc spring 20 is less than the length of the high stiffness coefficient spring 14.

[0032] Optionally, the energy-consuming steel plate 13 is provided with a plurality of rhomboid energy-consuming holes. The energy-consuming steel plate 13 in the transverse bridge slide 11 can shrink and deform under the pressure of the first slider 10, and the energy-consuming steel plate 13 in the longitudinal bridge slide 16 can shrink and deform under the pressure of the second slider 15.

[0033] Optionally, the original length of the high-stiffness spring 14 when it does not deform is greater than the original length of the energy-dissipating steel plate 13 when it does not deform.

[0034] In this embodiment, the energy-dissipating steel plate 13 and the high-spring coefficient spring 14 disposed in the transverse bridge slide 11 and the longitudinal bridge slide 16 maintain their original lengths in the initial state, and the original length of the high-spring coefficient spring 14 when it does not deform is greater than the original length of the energy-dissipating steel plate 13 when it does not deform. Taking the transverse bridge slide 11 as an example, when the first slider 10 moves away from the short disc spring 20, the first slider 10 first squeezes the high-spring coefficient spring 14 to cause it to contract and deform. Since the original length of the high-spring coefficient spring 14 when it does not deform is greater than the original length of the energy-dissipating steel plate 13 when it does not deform, when the first slider 10 continues to move away from the short disc spring 20 and contacts the energy-dissipating steel plate 13, the first slider 10 simultaneously squeezes the high-spring coefficient spring 14 and the energy-dissipating steel plate 13 to cause them to contract and deform.

[0035] In some embodiments, a mallet-shaped rotating shaft 5 is rotatably connected inside the bearing seat 4. A bolt rod 6 is fixedly connected to the lower part of the mallet-shaped rotating shaft 5. A rocker arm 7 is connected to the mallet-shaped rotating shaft 5 through the bolt rod 6 and the rod nut 8. The rocker arm 7 is connected between the upper fixed assembly and the lower fixed assembly. The lower part of the rocker arm 7 is connected to the first slider 10 and the second slider 15 through two bolt rods 6 and two rod nuts 8, respectively. The two bolt rods 6 respectively drive the first slider 10 and the second slider 15 to slide in the transverse bridge slide groove 11 and the longitudinal bridge slide groove 16. One bolt rod 6 drives the mallet-shaped rotating shaft 5 to rotate inside the bearing seat 4.

[0036] Optionally, the upper part of the transverse bridge slide 11 and the longitudinal bridge slide 16 is provided with baffles for limiting the first slider 10 and the second slider 15.

[0037] In this embodiment, a baffle is provided to ensure that the first slider 10 and the second slider 15 do not dislodge when sliding within the transverse bridge groove 11 and the longitudinal bridge groove 16. Furthermore, the baffle has elongated holes, and the size of the holes is ensured not to affect the movement of the bolt rod 6.

[0038] Optionally, the rocker arm 7 is movably mounted on the bolt rod 6, and a disc spring 9 is provided between the bolt rod 6 and the rocker arm 7.

[0039] In this embodiment, disc springs 9 are provided between the upper and lower sides of the bolt rod 6 and the rocker arm 7. A total of six disc springs 9 are provided between the three bolt rods 6 and the rocker arm 7. The rocker arm 7 can move up and down on the bolt rod 6 through the elastic action of the disc springs 9.

[0040] Optionally, lubricating oil is applied between the first slider 10 and the inner wall of the transverse bridge slide groove 11, lubricating oil is applied between the second slider 15 and the inner wall of the longitudinal bridge slide groove 16, and lubricating oil is applied between the surface of the mallet-shaped rotating shaft 5 and the inner wall of the bearing seat 4.

[0041] In this embodiment, the surface of the slider and the inner wall of the chute are kept smooth and lubricated, enabling the slider to slide; the surface of the club-shaped rotating shaft 5 and the inner wall of the shaft seat 4 are kept smooth and lubricated, enabling the shaft to rotate; the connection between the two sliders and the club-shaped rotating shaft 5 makes the rocker 7 a rotatable component.

[0042] Optionally, the width of the longitudinal bridge chute 16 is greater than the width of the transverse bridge chute 11; the longitudinal bridge chute 16 is provided on one side of the track; the transverse bridge chute 11 is provided at the exact center of the track.

[0043] In this embodiment, the width of the longitudinal bridge chute 16 is slightly greater than the width of the transverse bridge chute 11; the energy dissipation steel plates 13 and the high-stiffness coefficient springs 14 in the longitudinal bridge chute 16 are installed on the side closer to the track; in the initial state, the first slider 10 contacts the short disc spring 20 in the transverse bridge chute 11 without compressing the short disc spring 20, and the second slider 15 is located at the intersection of the centerlines of the transverse bridge chute 11 and the longitudinal bridge chute 16, thus ensuring that the two sliders can smoothly slide in the transverse bridge chute 11 and the longitudinal bridge chute 16 without being stuck.

[0044] Optionally, the distance from the position where the club-shaped rotating shaft 5 is located to the intersection of the transverse bridge chute 11 and the longitudinal bridge chute 16 is the horizontal relative displacement between the pier and the beam. By optimizing the geometric dimensions of the transverse bridge chute 11, the longitudinal bridge chute 16, the high-stiffness coefficient spring 14, the energy dissipation steel plate 13, etc. (as shown by Figure 4 and Figure 5 L1 is the length of the short chute without the energy dissipation steel plate, L2 is the length of the long chute with the energy dissipation steel plate, L3 is the compression limit length of the energy dissipation steel plate, L4 is the length of the short disc spring, L5 is the allowable sliding displacement of the slider in the transverse direction of the bridge, where L2 = L1 + L3 and L4 > L5; K1 is the original length of the energy dissipation steel plate, K2 is the original length of the high-stiffness coefficient spring, where L3 < K1 < K2 < L2; a is the long semi-axis of the ellipse, b is the short semi-axis of the ellipse), and by reasonably matching the mechanical properties of the high-stiffness coefficient spring, the short disc spring 20, and the energy dissipation steel plate 13, the effective control of the relative displacement between the pier and the beam under earthquake actions of different intensities can be achieved.

[0045] Under seismic action, when vertical relative displacement occurs between the piers and beams, the disc spring 9 installed between the bolt rod 6 and the rocker arm 7 acts as a buffer and seismic isolation mechanism to prevent the seismic isolation bearing from losing its seismic isolation function due to tensile failure. When horizontal relative displacement occurs between the piers and beams, the mallet-shaped rotating shaft 5 rotates within the bearing seat 4, the first slider 10 moves within the transverse bridge sliding groove 11, and the second slider 15 moves within the longitudinal bridge sliding groove 16. The three bolt rods 6 connected to the mallet-shaped rotating shaft 5, the first slider 10, and the second slider 15 drive the rocker arm 7 to rotate. The trajectory of the mallet-shaped rotating shaft 5 is elliptical. Therefore... Based on the mechanical drawing principle of the elliptic compass, the relative displacement in any direction between the horizontal piers and beams can be decomposed into the displacements of the first slider 10 and the second slider 15, which are perpendicular to each other. When the relative displacement between the piers and beams is large, the perforated energy-dissipating steel plate 13 in the transverse bridge slide 11 is deformed and dissipates energy due to the compression of the first slider 10, and the perforated energy-dissipating steel plate 13 in the longitudinal bridge slide 16 is deformed and dissipates energy due to the compression of the second slider 15. At the same time, the high stiffness coefficient springs 14 in the transverse bridge slide 11 and the longitudinal bridge slide 16 can provide the restoring force for the first slider 10 and the second slider 15 to return to their original positions due to the compression.

[0046] Furthermore, the present invention also provides a method for manufacturing a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device, which uses the aforementioned vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device. The manufacturing method includes the following steps: Step 1: During on-site pouring, holes for installing bolts 3 are reserved in the transverse diaphragm between the main beams, and holes for installing chemical anchors 17 are reserved in the cap beam. Step 2: Install the upper fixing components. Fix the two L-shaped uprights 1 to both sides of the cross beam between the main beams using nuts 2 and bolts 3. Fix the L-shaped uprights 1 to the bearing 4 using bolts 3. Step 3: Install the transmission connection components. First, place the first slider 10, energy-consuming steel plate 13, high-spring coefficient spring 14, and short disc spring 20 in the transverse bridge slide groove 11. Place the second slider 15, energy-consuming steel plate 13, and high-spring coefficient spring 14 in the longitudinal and transverse bridge slide grooves 16. Weld baffles with elongated holes to the upper part of the transverse bridge slide groove 11 and the longitudinal bridge slide groove 16. Pass two bolt rods 6 from bottom to top through the disc spring 9, rocker arm 7, and disc spring 9, and then fix them to the first slider 10 and the second slider 15 through the rod nut 8. Then, pass a bolt rod 6 from top to bottom through the disc spring 9, rocker arm 7, and disc spring 9, and then fix it to the mallet-shaped rotating shaft 5 through the rod nut 8. Step 4: Install the lower fixing assembly. Fix the track plate 18 of the transmission connection assembly and the lower base plate 19 of the lower fixing assembly to the cover beam using chemical anchors 17.

[0047] In summary, this invention provides a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device and manufacturing method. Under the premise of realizing the vertical buffer and seismic isolation function, it ensures that the relative displacement between the piers and beams in the horizontal and longitudinal directions under the action of earthquake is controlled within a safe range, avoiding the problem of beam falling due to excessive relative displacement between the main beam and the pier, and can achieve self-resetting after the earthquake.

[0048] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A vertically isolated, horizontally bidirectional energy-dissipating and vibration-damping self-resetting device, characterized in that, It includes an upper fixing assembly connected to the crossbeam, a lower fixing assembly connected to the cover beam, and a transmission connection assembly connecting the upper fixing assembly and the lower fixing assembly; the transmission connection assembly includes a bearing seat and a track plate, a mallet-shaped rotating shaft is rotatably connected inside the bearing seat, and a rocker arm is connected to the lower part of the mallet-shaped rotating shaft by a bolt rod; The track slab is provided with mutually perpendicular transverse and longitudinal bridge-shaped sliding grooves. One side of the transverse bridge-shaped sliding groove is provided with an energy-dissipating steel plate and a high-tension spring, while the other side is provided with a short disc spring. A first slider is slidably connected within the transverse bridge-shaped sliding groove, positioned between the high-tension spring and the short disc spring. One end of the first slider abuts against the high-tension spring and the energy-dissipating steel plate, and the other end abuts against the short disc spring. Energy-dissipating steel plates and high-tension springs are provided on both sides of the longitudinal bridge-shaped sliding groove. A second slider is slidably connected within the longitudinal bridge-shaped sliding groove, positioned between two high-tension springs. One end of the second slider abuts against the energy-dissipating steel plate and high-tension spring on one side of the longitudinal bridge-shaped sliding groove, and the other end abuts against the energy-dissipating steel plate and high-tension spring on the other side of the longitudinal bridge-shaped sliding groove. The rocker arm is connected to the first slider and the second slider by two bolts respectively. The two bolts drive the first slider and the second slider to slide in the transverse bridge groove and the longitudinal bridge groove respectively. One bolt drives the mallet-shaped rotating shaft to rotate in the bearing seat. A disc spring is provided between each bolt and the rocker arm.

2. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The energy-consuming steel plate in the transverse bridge slide is fixedly connected to the extended steel plate at the end of the transverse bridge slide by bolts, and the high-stiffness spring in the transverse bridge slide is fixedly connected to the end of the transverse bridge slide; the energy-consuming steel plate in the longitudinal bridge slide is fixedly connected to the extended steel plate at the end of the longitudinal bridge slide by bolts, and the high-stiffness spring in the longitudinal bridge slide is fixedly connected to the end of the longitudinal bridge slide.

3. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The energy-consuming steel plate has several rhomboid energy-consuming holes. The energy-consuming steel plate in the transverse bridge groove can shrink and deform under the pressure of the first slider, and the energy-consuming steel plate in the longitudinal bridge groove can shrink and deform under the pressure of the second slider.

4. The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 3, characterized in that, The original length of the high-spring constant without deformation is greater than the original length of the energy-consuming steel plate without deformation; the length of the short disc spring is less than the length of the high-spring constant; the upper part of the transverse bridge slide and the longitudinal bridge slide is provided with baffles for limiting the first slider and the second slider.

5. A vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The rocker arm is movably mounted on the bolt rod, and the bolt rod is connected to a rod nut; each bolt rod has a disc spring between its upper and lower sides and the rocker arm, and the rocker arm can move up and down on the bolt rod via the disc spring.

6. A vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The first slider is coated with lubricating oil between itself and the inner wall of the transverse bridge slide groove, the second slider is coated with lubricating oil between itself and the inner wall of the longitudinal bridge slide groove, and the surface of the mallet-shaped rotating shaft is coated with lubricating oil between itself and the inner wall of the shaft seat; the width of the longitudinal bridge slide groove is greater than the width of the transverse bridge slide groove; the longitudinal bridge slide groove is located on one side of the track; and the transverse bridge slide groove is located at the center of the track.

7. A vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The upper fixing component includes an L-shaped steel plate with several bolt holes. Two L-shaped steel plates are arranged opposite each other and fixedly connected to the crossbeam by nuts and bolts. The lower part of the L-shaped steel plate of the upper fixing component is fixedly connected to the bearing of the transmission connection component by nuts and bolts.

8. A vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, The lower fixing component includes a lower base plate, which is provided with a plurality of anchor bolt holes. The lower base plate of the lower fixing component and the track plate of the transmission connection component are fixedly connected to the cover beam by a plurality of chemical anchor bolts. The track plate is disposed above the lower base plate.

9. A vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to claim 1, characterized in that, In the initial state, the first slider is in contact with the short disc spring in the transverse bridge slide groove but does not compress the short disc spring, and the second slider is located at the intersection of the center lines of the transverse bridge slide groove and the longitudinal bridge slide groove. Under seismic loading, when vertical relative displacement occurs between the piers and beams, the disc springs installed between the bolt rods and the rocker arm provide a buffering and seismic isolation effect to prevent the seismic isolation bearings from losing their seismic isolation function due to tensile failure. When horizontal relative displacement occurs between the piers and beams, the mallet-shaped rotating shaft rotates within the bearing seat, the first slider moves within the transverse bridge groove, and the second slider moves within the longitudinal bridge groove. The three bolt rods connected to the mallet-shaped rotating shaft, the first slider, and the second slider drive the rocker arm to rotate. The trajectory of the mallet-shaped rotating shaft is elliptical, decomposing the horizontal relative displacement between the piers and beams in any direction into the displacements of the first and second sliders, which are perpendicular to each other. When the relative displacement between the piers and beams is large, the perforated energy-absorbing steel plate in the transverse bridge groove deforms and dissipates energy under the pressure of the first slider, and the perforated energy-absorbing steel plate in the longitudinal bridge groove deforms and dissipates energy under the pressure of the second slider. At the same time, the high-stiffness springs in the transverse and longitudinal bridge grooves provide the restoring force for the first and second sliders to return to their original positions due to compression.

10. A method for manufacturing a vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device, characterized in that, The vertical seismic isolation and horizontal bidirectional energy dissipation and vibration reduction self-resetting device according to any one of claims 1-9 is used, and the manufacturing method includes the following steps: Step 1: During on-site pouring, reserve holes for installing bolts in the transverse diaphragms between the main beams, and reserve holes for installing chemical anchors in the cap beams. Step 2: Install the upper fixing components. Fix the two L-shaped uprights to both sides of the crossbeam between the main beams with nuts and bolts. Fix the L-shaped uprights to the bearing seats with bolts. Step 3: Install the transmission connection components. First, place the first slider, energy-consuming steel plate, high-spring coefficient spring, and short disc spring in the transverse bridge slide groove. Place the second slider, energy-consuming steel plate, and high-spring coefficient spring in the longitudinal and transverse bridge slide grooves. Weld baffles with narrow holes to the upper part of the transverse and longitudinal bridge slide grooves. Pass two bolt rods from bottom to top through the disc spring, rocker arm, and disc spring, and then fix them to the first and second sliders through the rod nut. Then, pass a bolt rod from top to bottom through the disc spring, rocker arm, and disc spring, and then fix it to the mallet-shaped rotating shaft through the rod nut. Step 4: Install the lower fixing assembly. Secure the track plate of the transmission connection assembly and the bottom plate of the lower fixing assembly to the cover beam using chemical anchors.

Images