Energy dissipation structure for reinforced concrete frames

Abstract

The application discloses an energy dissipation and vibration reduction structure for a reinforced concrete frame, which comprises a shaft radial damping mechanism arranged between two two-stage damping mechanisms, an adapter shaft arranged in the shaft radial damping mechanism, and two ends of the adapter shaft respectively extending out of axial two ends of the shaft radial damping mechanism, each end of the adapter shaft being connected with a corresponding two-stage damping mechanism, one end of the two-stage damping mechanism away from the shaft radial damping mechanism being connected with a fixing base through a connecting rod, and axial lines of the two-stage damping mechanism, the shaft radial damping mechanism, the adapter shaft and the connecting rod being coincident. The application can effectively absorb energy generated by natural disasters such as earthquakes and typhoons in multiple dimensions, improves the energy dissipation effect, avoids damage of a connection of a reinforced concrete frame or a wall body connected with the application due to too concentrated stress, reduces the number of dampers, and lowers the investment cost and maintenance cost. The application is suitable for the technical field of reinforced concrete frame vibration reduction in concrete building construction.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of shock absorption in concrete building construction, and particularly relates to an energy dissipation and shock absorption structure for a reinforced concrete frame. BACKGROUND

[0002] The energy dissipation and shock absorption technology for a reinforced concrete frame is a method of consuming energy and reducing damage to the main structure in an earthquake by means of an additional damping device or optimized structural design. The reinforced concrete frame structure itself has low rigidity, and the additional rigidity of a metal damper (such as a BRB) or a viscoelastic damper can change the dynamic characteristics of the structure, which can easily lead to excessive stiffness of the damper attracting too much seismic force and intensifying local damage (such as cracking at the end of the beam). Moreover, after the structural period changes, the response in some seismic frequency bands may be unexpectedly amplified. Moreover, the external force generated by an earthquake has multidirectionality, but the existing dampers do not have the function of multidirectional damping. The general measures taken are to tilt the existing dampers and simultaneously select and install multiple dampers at multiple angles. After the dampers are stressed, part of the external force is absorbed, and the other part is directly transmitted to the reinforced concrete frame or wall. However, this can cause the connection between the damper and the reinforced concrete frame or wall to be under great stress, and the part of the external force that is not absorbed by the damper can also cause damage to the reinforced concrete frame or wall. At the same time, since multiple dampers are used, multiple installation positions need to be reserved on the reinforced concrete frame or wall, which can easily affect the integrity of the design of the reinforced concrete frame or wall and directly affect the strength of the reinforced concrete frame or wall. Moreover, since there are many dampers, the subsequent maintenance cost and difficulty are increased. SUMMARY

[0003] The present application provides an energy dissipation and shock absorption structure for a reinforced concrete frame, which can absorb the energy generated by natural disasters such as earthquakes and typhoons in multiple dimensions, improve the energy dissipation effect, avoid damage to the connection between the damper and the reinforced concrete frame or wall due to excessive stress concentration, reduce the number of dampers used, and reduce the investment and maintenance costs.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present application is as follows:

[0005] An energy dissipation and shock absorption structure for a reinforced concrete frame comprises a shaft radial damping mechanism arranged between two two-stage damping mechanisms, an adapter shaft is arranged in the shaft radial damping mechanism, the two ends of the adapter shaft respectively extend out of the axial ends of the shaft radial damping mechanism, each end of the adapter shaft is connected with the corresponding two-stage damping mechanism, the end of the two-stage damping mechanism away from the shaft radial damping mechanism is connected with a fixed seat through a connecting rod, and the axes of the two-stage damping mechanism, the shaft radial damping mechanism, the adapter shaft and the connecting rod coincide.

[0006] Further, the shaft radial damping mechanism comprises a first cylinder and a plurality of damping cylinders, the plurality of damping cylinders are coaxially sleeved in the first cylinder, and a rubber damping layer is arranged between the first cylinder and the adjacent damping cylinder, between the adjacent two damping cylinders, and between the adapter shaft and the adjacent damping cylinder.

[0007] Further, the damping cylinder is made of elastic metal material, the radial section of the damping cylinder is in a wave shape, and a closed loop wave ring structure is formed.

[0008] Further, the shaft radial damping mechanism comprises a second cylinder connected with the adapter seat, a snail-shaped damping sheet in a snail-shaped cross section is arranged in the second cylinder, the adapter shaft extends out of both ends of the second cylinder along the axis of the second cylinder, and the adapter shaft is connected with the inner side of the snail-shaped damping sheet, and the outer side of the snail-shaped damping sheet is connected with the inner wall of the second cylinder.

[0009] Further, an operation disc is coaxially arranged on the outer peripheral wall of the second cylinder, two connecting screws are symmetrically arranged on the operation disc, the second cylinder is rotatably sleeved in the adapter seat, the adapter seat is fixed with the reinforced concrete frame through the fixing lug thereon, arc-shaped holes are symmetrically arranged on the adapter seat, each arc-shaped hole extends along the circumference of the second cylinder, one end of each connecting screw passes through the corresponding arc-shaped hole, and a fastening nut is threadedly connected with the connecting screw.

[0010] Further, elastic sealing covers are detachably connected with both ends of the second cylinder respectively, a containing cavity is formed between the second cylinder and the two elastic sealing covers, and the containing cavity is filled with damping medium.

[0011] Further, the two-stage damping mechanism comprises a liquid damping part and a mechanical damping part, the liquid damping part is arranged between the adapter shaft and the connecting rod, the mechanical damping part is elastically connected with the adapter shaft and the connecting rod respectively, two liquid damping parts in the two two-stage damping mechanisms are connected through a rubber hose, and a control valve is arranged on the rubber hose.

[0012] Further, the liquid damping part comprises a piston sleeve connected with the reinforced concrete frame through a hard spring, one end of the piston sleeve is movably connected with the adapter shaft, the other end of the piston sleeve is movably connected with the connecting rod, a piston head is arranged at the end of the connecting rod extending into the piston sleeve, the inner cavity of the piston sleeve is divided into a first chamber and a second chamber through the piston head, and the two ends of the rubber hose are respectively communicated with the first chambers of the two liquid damping parts.

[0013] Further, the mechanical damping part comprises a connecting spring, an assembly groove extending along the axial direction of the connecting rod is formed at one end of the connecting rod extending into the piston sleeve, the connecting spring is installed in the assembly groove, the connecting spring extends along the axial direction of the connecting rod, one end of the adapter shaft movably extends into the assembly groove, and the two ends of the connecting spring are connected with the adapter shaft and the connecting rod respectively.

[0014] Further, a spring seat is fixedly connected to the end of the connecting spring away from the adapter shaft, the spring seat movably assembles in the assembly groove, an adapter rod is connected to the spring seat, an adjusting screw is rotatably connected to the end of the adapter rod away from the spring seat, and the adjusting screw is threadedly connected with the connecting rod.

[0015] Compared with the prior art, the technical progress achieved by the present application is that the fixed seat on each connecting rod is installed at the corresponding position of the reinforced concrete frame or wall body, so that the shaft radial damping mechanism and the two two-stage damping mechanisms are in a horizontal, vertical or inclined state. When the reinforced concrete frame or wall body is subjected to external force (force of earthquake, typhoon, etc.), the shaft radial damping mechanism can directly absorb and eliminate the external force in different directions, rather than only absorbing part of the component force of the external force. In combination with the two two-stage damping mechanisms, the purpose of multi-stage energy dissipation of external force of different intensity is achieved. When the reinforced concrete frame or wall body is subjected to varying external force, each two-stage damping mechanism dissipates energy, and the energy dissipation mode is various, which can be divided into two-stage synchronous energy dissipation, i.e. the two-stage energy dissipation of the two-stage damping mechanisms is not in sequence, and the external force is synchronously dissipated, so that the energy dissipation effect is greatly improved. It can also be divided into single-stage energy dissipation, i.e. according to the situation, one stage is locked, and only the other stage is used for energy dissipation. This energy dissipation mode is suitable for non-seismic zones and / or areas not affected by typhoons. In summary, the present application can effectively dissipate the energy generated by natural disasters such as earthquakes and typhoons in multiple dimensions, improve the energy dissipation effect, avoid damage to the connection of the reinforced concrete frame or wall body due to excessive stress concentration, reduce the number of dampers used, and reduce the investment and maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, illustrate the application, and are used to explain the application together with the embodiments of the application, and do not constitute a limitation on the application.

[0017] In the drawings:

[0018] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0019] Figure 2 is a structural schematic diagram of a first shaft radial damping mechanism of an embodiment of the present application;

[0020] Figure 3 Radial structure sectional view of the second embodiment of the shaft radial damping mechanism of the present application;

[0021] Figure 4 Structure schematic view of the second embodiment of the shaft radial damping mechanism of the present application;

[0022] Figure 5 Structure schematic view of the third embodiment of the shaft radial damping mechanism of the present application;

[0023] Figure 6 Axial structure sectional view of the third embodiment of the shaft radial damping mechanism of the present application;

[0024] Figure 7 Structure schematic view of the third embodiment of the shaft radial damping mechanism of the present application after being disassembled;

[0025] Figure 8 Partial radial structure sectional view of the third embodiment of the shaft radial damping mechanism of the present application;

[0026] Figure 9 Axial structure sectional view of the two-stage damping mechanism of the present application;

[0027] Figure 10 Structure schematic view of the two-stage damping mechanism of the present application;

[0028] Figure 11 Structure schematic view of the two-stage damping mechanism of the present application; Figure 10 Structure enlarged view of the A part in the figure.

[0029] Marked components: 100-shaft radial damping mechanism, 101-first cylinder, 102-damping cylinder, 103-rubber damping layer, 104-wavy ring structure, 105-second cylinder, 106-volute damping sheet, 107-elastic sealing cover, 108- accommodating cavity, 109-volute channel, 110-operating disc, 111-connecting screw, 112-adaptor seat, 113-arc-shaped hole, 114-fastening nut, 115-fixing lug, 200-two-stage damping mechanism, 201-piston sleeve, 202-piston head, 203-first cavity, 204-second cavity, 205-connecting spring, 206-spring seat, 207-adaptor rod, 208-adjusting screw, 209-operating head, 210-hard spring, 300-connecting rod, 301-rod-shaped body, 302-connecting lug, 303-operating port, 304-first assembly lug, 305-arc-shaped plate, 306-assembly block, 307-second assembly lug, 308-assembly groove, 400-adaptor shaft, 500-rubber hose, 600-control valve, 700-fixing seat. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0031] The present invention discloses an energy dissipation and shock absorption structure for reinforced concrete frame, such as Figures 1-11 As shown, it includes an axial radial damping mechanism 100 , a transfer shaft 400 , two two-stage damping mechanisms 200 and two connecting rods 300 . Among them, the axial radial damping mechanism 100 is arranged between the two two-stage damping mechanisms 200, the adapter shaft 400 is arranged in the axial radial damping mechanism 100, and the two ends of the adapter shaft 400 respectively extend out of the axial ends of the axial radial damping mechanism 100, and each end of the adapter shaft 400 is connected to the end of the corresponding two-stage damping mechanism 200, and the two connecting rods 300 are respectively arranged at the ends of the two two-stage damping mechanisms 200 away from each other, that is, the connecting rod 300 is arranged at the end of the corresponding two-stage damping mechanism 200 away from the axial radial damping mechanism 100, and a connecting ear 302 is constructed at the end of the connecting rod 300 away from the two-stage damping mechanism 200, and the connecting ear 302 is connected to the fixed seat 700; and the axes of the two-stage damping mechanism 200, the axial radial damping mechanism 100, the adapter shaft 400 and the connecting rod 300 coincide. The working principle and advantages of the present invention are as follows: the present invention installs the fixing seats 700 on the two connecting rods 300 at corresponding positions on the reinforced concrete frame or wall, so that the axial radial damping mechanism 100 and the two two-stage damping mechanisms 200 are all in a horizontal, vertical or inclined state. When the reinforced concrete frame or wall is subjected to external forces (such as earthquakes and typhoons), the axial radial damping mechanism 100 can directly absorb and eliminate external forces in different directions, instead of only absorbing part of the external force. In conjunction with the two two-stage damping mechanisms 200, the purpose of multi-stage energy dissipation of external forces of different intensities is achieved. When the reinforced concrete frame or wall of the present invention is subjected to changes in external force, each two-stage damping mechanism 200 dissipates the external force. The energy dissipation methods are diverse and can be divided into two-stage synchronous energy dissipation, that is, the two-stage energy dissipation of the two-stage damping mechanism 200 is not in order, and the external force is dissipated synchronously, so that the energy dissipation effect is greatly improved; it can also be divided into single-stage energy dissipation, that is, one of the energy dissipation stages is locked according to the situation, and only the other stage is used for energy dissipation. This energy dissipation method is suitable for non-seismic zones and / or areas not affected by typhoons. In summary, the present invention can effectively absorb the energy generated by natural disasters such as earthquakes and typhoons in multiple dimensions, improve the energy dissipation effect, avoid damage to the connection of the reinforced concrete frame or wall connected thereto due to excessive concentration of force, reduce the number of dampers used, and reduce investment costs and maintenance costs.

[0032] As a preferred embodiment of the present invention, the axial radial damping mechanism 100 has multiple implementations. The first implementation is as follows: Figure 2As shown in the figure, the shaft radial damping mechanism 100 comprises a first cylinder 101 and a plurality of damping cylinders 102, the radial lengths of the damping cylinders 102 are different, and the damping cylinders 102 are successively sleeved in the first cylinder 101 from large to small, and the axes of the first cylinder 101 and the damping cylinders 102 coincide. In this embodiment, a rubber damping layer 103 is arranged between the first cylinder 101 and the adjacent damping cylinder 102, between the adjacent two damping cylinders 102, and between the adapter shaft 400 and the adjacent damping cylinder 102. In this embodiment, when the reinforced concrete frame is stressed, the connecting rod 300 connected thereto transmits the external force to the shaft radial damping mechanism 100 through the two-stage damping mechanism 200; during the stress of the shaft radial damping mechanism 100, according to the direction of the external force, the adapter shaft 400 drives the damping cylinder 102 to move in the axial and / or radial direction of the damping cylinder 102, and the remaining damping cylinders 102 also move in the axial and / or radial direction under the transmission of the rubber damping layer 103, thereby realizing multi-stage energy dissipation of the multi-dimensional (axial, radial and combined direction) external force, and the main energy dissipation component is the deformed rubber damping layer 103. In this embodiment, the first cylinder 101 can be connected with the reinforced concrete frame according to specific needs, so that the position of the first cylinder 101 does not change during energy dissipation. In order to improve the energy dissipation effect, the damping cylinder 102 with energy absorption characteristics can be selected in this embodiment. Specifically, as shown in Figure 3 、 4 The damping cylinder 102 is made of elastic metal material, the radial section of the damping cylinder 102 is in a wave shape, and a wave ring structure 104 is formed. In this way, when the damping cylinder 102 is subjected to an axial external force, the damping cylinder 102 is axially displaced; when the damping cylinder 102 is subjected to a radial external force, the drill bit is subjected to a radial external force and a certain degree of radial deformation, thereby achieving the purpose of energy absorption; when the damping cylinder 102 is subjected to an oblique external force, at least two external forces in the three-dimensional coordinates of the oblique external force act on the damping cylinder 102, so that the damping cylinder 102 is subjected to an axial external force at the same time, the peripheral surface of the damping cylinder 102 is pressed and elastically deformed, thereby improving the energy absorption effect.

[0033] As a preferred embodiment of the present application, the second shaft radial damping mechanism 100 is as shown in Figures 5-8As shown, the shaft radial damping mechanism 100 comprises a second cylinder 105 and a snail-shaped damping sheet 106. The second cylinder 105 is connected with an adapter seat 112, which is connected with the reinforced concrete frame. The snail-shaped damping sheet 106 has a snail-shaped cross section, is arranged in the second cylinder 105, and has two ends extending to the two ends of the second cylinder 105 along the axis of the second cylinder 105. The snail-shaped damping sheet 106 is connected with the inner side of the adapter shaft 400 and the outer side of the snail-shaped damping sheet 106 is connected with the inner wall of the second cylinder 105. When the adapter shaft 400 is stressed, the adapter shaft 400 transmits the external force to the snail-shaped damping sheet 106, so that the snail-shaped damping sheet 106 moves axially along the second cylinder 105, or moves radially along the second cylinder 105, or moves axially and radially along the second cylinder 105. Since the snail-shaped damping sheet 106 has good elastic energy absorption performance, the external force in different directions can be fully dissipated. The curvature of the snail-shaped damping sheet 106 can be adjusted to adjust the elastic energy absorption capacity of the snail-shaped damping sheet 106. The operation disc 110 is coaxially arranged on the outer peripheral wall of the second cylinder 105. Two connecting screws 111 are symmetrically arranged on the operation disc 110. The second cylinder 105 is rotatably sleeved on the adapter seat 112. Two fixing ears 115 are symmetrically arranged on the adapter seat 112 and are fixedly connected with the reinforced concrete frame. Arc-shaped holes 113 are symmetrically arranged on the adapter seat 112 and extend along the circumference of the second cylinder 105. One end of each connecting screw 111 penetrates through the corresponding arc-shaped hole 113, and a fastening nut 114 is threadedly connected with the connecting screw 111. The fastening nut 114 can be loosened to release the fixed relationship between the adapter seat 112 and the operation disc 110. Then, the operation disc 110 is rotated by a certain angle to drive the second cylinder 105 to rotate by a corresponding angle. During the rotation of the second cylinder 105, the outer side of the snail-shaped damping sheet 106 is gradually positively curled or reversely uncurled, thereby changing the curvature of the snail-shaped damping sheet 106, changing the size of the snail-shaped channel 109 formed in the snail-shaped damping sheet 106, and adjusting the elastic deformation performance of the local area of the snail-shaped damping sheet 106. After adjustment, the fastening nut 114 is tightened to lock the relative position of the adapter seat 112 and the operation disc 110. When the snail-shaped damping sheet 106 is stressed, the elastic deformation performance of the local area of the snail-shaped damping sheet 106 changes, so that the external force in the corresponding range is fully dissipated.In order to further improve the energy dissipation effect, the second cylinder 105 is detachably connected with elastic sealing covers 107 at both ends, and a containing cavity 108 is formed between the second cylinder 105 and the two elastic sealing covers 107, which is communicated with the spiral channel 109 and filled with damping medium. The damping medium is generally a silicon oil-based medium, such as dimethyl silicone oil (PDMS) or phenyl silicone oil, which has a wide viscosity range (50-1,000,000 cSt), good temperature stability, chemical inertness, and is not easy to react with metal. Under the action of external force, the spiral damping sheet 106 transmits part of the external force to the damping medium, and the damping medium absorbs energy. Moreover, in the process of the adapter shaft 400 moving and the damping medium being extruded, the two elastic sealing covers 107 elastically deform to adapt to the changes of the adapter shaft 400 and the damping medium.

[0034] As a preferred embodiment of the present application, as shown in Figures 9-11As shown, the two-stage damping mechanism 200 includes a liquid damping part and a mechanical damping part. The liquid damping part is configured between the adapter shaft 400 and the connecting rod 300, the mechanical damping part is elastically connected to the adapter shaft 400 and the connecting rod 300 respectively, and the two liquid damping parts in the two two-stage damping mechanisms 200 are connected by a rubber hose 500, and a control valve 600 is installed on the rubber hose 500. In this embodiment, the energy dissipation effect of the liquid damping part is adjusted by adjusting the opening of the control valve 600; when the control valve 600 is closed, the liquid damping part is locked and does not have energy dissipation function at this time. When external force is transmitted between the adapter shaft 400 and the connecting rod 300, the external force acts on the liquid damping part and the mechanical damping part, and the two parts absorb the external force. By closing the control valve 600 or adjusting the mechanical damping part, the liquid damping part or the mechanical damping part can be locked, or both can be locked, thereby realizing one-stage cooperation energy dissipation of the shaft radial damping mechanism 100 and the two-stage damping mechanism 200, or energy dissipation of the shaft radial damping mechanism 100 alone. When resisting smaller vibration, only the shaft radial damping mechanism 100 is needed to dissipate energy alone; when resisting larger vibration, the shaft radial damping mechanism 100 and the two-stage damping mechanism 200 need to dissipate energy synchronously. The liquid damping part of this embodiment includes a piston sleeve 201 and a piston head 202, one or more hard springs 210 are fixed on the outer peripheral wall of the piston sleeve 201, the hard springs 210 are connected to the reinforced concrete frame; one end of the piston sleeve 201 is movably connected to the adapter shaft 400, the other end of the piston sleeve 201 is movably connected to the connecting rod 300, and the piston head 202 is configured at the end of the connecting rod 300 extending into the piston sleeve 201, and the axes of the piston sleeve 201, the piston head 202, the adapter shaft 400 and the connecting rod 300 coincide. The inner cavity of the piston sleeve 201 is divided into a first chamber 203 and a second chamber 204 by the piston head 202, wherein the first chamber 203 is close to the shaft radial damping mechanism 100, the first chamber 203 is filled with damping medium, the two ends of the rubber hose 500 are respectively communicated with the first chambers 203 of the two liquid damping parts, and gas is injected into the second chamber 204 to facilitate the change of gas density after being pressed, adapt to the movement of the piston head 202, and have certain energy dissipation capacity. In this embodiment, when the connecting rod 300 is stressed, the connecting rod 300 drives the piston head 202 to press the damping medium in the corresponding first chamber 203, the damping medium enters the other first chamber 203 through the rubber hose 500, so that the other connecting rod 300 is driven by the damping medium to move, thereby achieving the purpose of buffering and energy dissipation.The mechanical damping part of the embodiment comprises a connecting spring 205, an assembly groove 308 is formed at one end of the connecting rod 300 extending into the piston sleeve 201, the assembly groove 308 extends along the axial direction of the connecting rod 300, the connecting spring 205 is installed in the assembly groove 308, the connecting spring 205 extends along the axial direction of the connecting rod 300, one end of the adapter shaft 400 movably extends into the assembly groove 308, and the two ends of the connecting spring 205 are connected with the adapter shaft 400 and the connecting rod 300 respectively. In the relative movement process of the adapter shaft 400 and the connecting rod 300, the connecting spring 205 is elastically compressed or stretched, thereby achieving the purposes of elastic buffering and energy absorption, and achieving the effect of mechanical damping.

[0035] As a preferred embodiment of the present application, as shown in Figures 9-11 In order to adjust the damping effect of the mechanical damping part, the connecting spring 205 is fixedly connected with a spring seat 206 at one end away from the adapter shaft 400, and the spring seat 206 is movably assembled in the assembly groove 308. The connecting rod 300 of the embodiment comprises a rod-shaped body 301, and an operating port 303 is formed at a position of the rod-shaped body 301 close to the connecting lug 302. The spring seat 206 is connected with an adapter rod 207, the adapter rod 207 extends along the axial direction of the rod-shaped body 301, and the adapter rod 207 is movably connected with the rod-shaped body 301, a regulating screw 208 is rotatably connected at one end of the adapter rod 207 away from the spring seat 206, the regulating screw 208 is coaxial with the adapter rod 207, and an operating head 209 is formed at the end of the regulating screw 208. The regulating screw 208 extends into the operating port 303, and the operating head 209 is located in the operating port 303, so as to facilitate an operator to adjust the regulating screw 208, and the regulating screw 208 is threadedly connected with the rod-shaped body 301 at the position of the operating port 303. Arc-shaped plates 305 are arranged on both sides of the operating port 303, assembly blocks 306 are arranged on one side of the arc-shaped plates 305 close to the operating port 303 and assembled in the operating port 303, first assembly lugs 304 are formed on both sides of each end of the rod-shaped body 301 at the operating port 303, second assembly lugs 307 are formed on both sides of the arc-shaped plates 305, and the first assembly lugs 304 and the corresponding second assembly lugs 307 are connected by a plurality of connecting bolts. In the embodiment, the arc-shaped plates 305 are detached from the rod-shaped body 301, so that the operating port 303 is exposed, then a ratchet wrench or a hydraulic wrench is used to rotate the operating head 209, so that the regulating screw 208 drives the axial movement of the adapter rod 207 and the connecting rod 300, and then drives the movement of the connecting spring 205 through the spring seat 206, so that the pre-tightening force of the connecting spring 205 is adjusted, thereby adjusting the damping capacity of the mechanical damping part.

[0036] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. An energy dissipation and shock absorption structure for a reinforced concrete frame, characterized by: It includes an axial radial damping mechanism arranged between two two-stage damping mechanisms, an adapter shaft is arranged in the axial radial damping mechanism, two ends of the adapter shaft respectively extend out of the axial ends of the axial radial damping mechanism, each end of the adapter shaft is connected to the corresponding two-stage damping mechanism, and one end of the two-stage damping mechanism away from the axial radial damping mechanism is connected to the fixed seat through a connecting rod, and the axes of the two-stage damping mechanism, the axial radial damping mechanism, the adapter shaft and the connecting rod coincide; the axial radial damping mechanism includes a first cylinder and multiple damping cylinders, and the multiple damping cylinders are coaxially sleeved in the first cylinder, and rubber damping layers are provided between the first cylinder and the adjacent damping cylinders, between two adjacent damping cylinders, and between the adapter shaft and the adjacent damping cylinders.

2. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 1, characterized in that: The damping cylinder is a structure made of elastic metal material. The radial cross section of the damping cylinder is in a wave shape, forming a closed-loop wave ring structure.

3. The energy dissipation and shock absorption structure for reinforced concrete frame according to claim 1, characterized in that: The axial radial damping mechanism includes a second cylinder connected to the adapter seat, and a volute damping plate with a volute line cross section is arranged in the second cylinder. The adapter shaft extends from both ends of the second cylinder along the axis of the second cylinder, and the adapter shaft is connected to the inner edge of the volute damping plate, and the outer edge of the volute damping plate is connected to the inner wall of the second cylinder.

4. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 3, characterized in that: An operating disk is coaxially constructed on the outer peripheral wall of the second cylinder, and two connecting screws are symmetrically constructed on the operating disk. The second cylinder is rotatably fitted into the adapter, and the adapter is fixed to the reinforced concrete frame through the fixing ears thereon. Arc holes are symmetrically constructed on the adapter, and each of the arc holes extends along the circumference of the second cylinder. One end of each connecting screw passes through the corresponding arc hole, and a fastening nut is threadedly connected to the connecting screw.

5. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 3, characterized in that: Elastic sealing covers are detachably connected to both ends of the second cylinder, and an accommodating cavity is formed between the second cylinder and the two elastic sealing covers. The accommodating cavity is filled with a damping medium.

6. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 1, characterized in that: The two-stage damping mechanism includes a liquid damping part and a mechanical damping part. The liquid damping part is constructed between the adapter shaft and the connecting rod. The mechanical damping part elastically connects the adapter shaft and the connecting rod respectively. The two liquid damping parts in the two two-stage damping mechanisms are connected by a rubber hose, and a control valve is installed on the rubber hose.

7. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 6, characterized in that: The liquid damping part includes a piston sleeve connected to a reinforced concrete frame through a hard spring, one end of the piston sleeve is movably connected to a switching shaft, and the other end of the piston sleeve is movably connected to a connecting rod. A piston head is constructed at the end of the connecting rod extending into the piston sleeve. The inner cavity of the piston sleeve is divided into a first chamber and a second chamber by the piston head, and the two ends of the rubber hose are respectively connected to the first chambers of the two liquid damping parts.

8. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 7, characterized in that: The mechanical damping part includes a connecting spring, and an assembly groove extending along the axial direction of the connecting rod is opened at one end of the connecting rod extending into the piston sleeve. The connecting spring is installed in the assembly groove, and the connecting spring extends along the axial direction of the connecting rod. One end of the adapter shaft movably extends into the assembly groove, and the two ends of the connecting spring are respectively connected to the adapter shaft and the connecting rod.

9. The energy dissipation and shock absorption structure for a reinforced concrete frame according to claim 8, characterized in that: A spring seat is fixedly connected to the end of the connecting spring away from the adapter shaft, and the spring seat is movably assembled in the assembly groove. A transfer rod is connected to the spring seat, and an adjusting screw is rotatably connected to the end of the transfer rod away from the spring seat. The adjusting screw is threadedly connected to the connecting rod.

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